From dfdc473cefa255c5d0fb6c2e90e2b90815305c2f Mon Sep 17 00:00:00 2001 From: tobi <31960611+tsmethurst@users.noreply.github.com> Date: Sat, 11 Jun 2022 11:01:34 +0200 Subject: [PATCH 1/2] [chore] Webfinger rework (#627) * move finger to dereferencer * totally break GetRemoteAccount * start reworking finger func a bit * start reworking getRemoteAccount a bit * move mention parts to namestring * rework webfingerget * use util function to extract webfinger parts * use accountDomain * rework finger again, final form * just a real nasty commit, the worst * remove refresh from account * use new ASRepToAccount signature * fix incorrect debug call * fix for new getRemoteAccount * rework GetRemoteAccount * start updating tests to remove repetition * break a lot of tests Move shared test logic into the testrig, rather than having it scattered all over the place. This allows us to just mock the transport controller once, and have all tests use it (unless they need not to for some other reason). * fix up tests to use main mock httpclient * webfinger only if necessary * cheeky linting with the lads * update mentionName regex recognize instance accounts * don't finger instance accounts * test webfinger part extraction * increase default worker count to 4 per cpu * don't repeat regex parsing * final search for discovered accountDomain * be more permissive in namestring lookup * add more extraction tests * simplify GetParseMentionFunc * skip long search if local account * fix broken test --- cmd/gotosocial/action/testrig/testrig.go | 2 +- internal/ap/extract.go | 2 +- internal/api/client/account/account_test.go | 2 +- internal/api/client/admin/admin_test.go | 2 +- internal/api/client/auth/auth_test.go | 2 +- .../api/client/fileserver/servefile_test.go | 2 +- .../followrequest/followrequest_test.go | 2 +- internal/api/client/instance/instance_test.go | 2 +- internal/api/client/media/mediacreate_test.go | 2 +- internal/api/client/media/mediaupdate_test.go | 2 +- internal/api/client/status/status_test.go | 97 +----- .../api/client/status/statuscreate_test.go | 4 +- internal/api/client/user/user_test.go | 2 +- internal/api/s2s/user/inboxpost_test.go | 8 +- internal/api/s2s/user/outboxget_test.go | 6 +- internal/api/s2s/user/repliesget_test.go | 6 +- internal/api/s2s/user/statusget_test.go | 4 +- internal/api/s2s/user/user_test.go | 2 +- internal/api/s2s/user/userget_test.go | 8 +- internal/api/s2s/webfinger/webfinger_test.go | 2 +- internal/api/s2s/webfinger/webfingerget.go | 34 +- internal/concurrency/workers.go | 2 +- internal/federation/dereference.go | 5 +- internal/federation/dereferencing/account.go | 294 +++++++++++++----- .../federation/dereferencing/account_test.go | 12 +- .../federation/dereferencing/dereferencer.go | 2 +- .../dereferencing/dereferencer_test.go | 106 +------ internal/federation/dereferencing/finger.go | 80 +++++ internal/federation/dereferencing/status.go | 10 +- internal/federation/federatingactor_test.go | 43 +-- internal/federation/federatingdb/update.go | 2 +- internal/federation/federatingprotocol.go | 6 +- .../federation/federatingprotocol_test.go | 36 ++- internal/federation/federator.go | 6 +- internal/federation/finger.go | 72 ----- internal/processing/account/account_test.go | 5 +- internal/processing/account/get.go | 9 +- internal/processing/account_test.go | 2 +- .../processing/federation/getfollowers.go | 6 +- .../processing/federation/getfollowing.go | 6 +- internal/processing/federation/getoutbox.go | 6 +- internal/processing/federation/getstatus.go | 6 +- .../processing/federation/getstatusreplies.go | 6 +- internal/processing/federation/getuser.go | 6 +- internal/processing/followrequest_test.go | 4 +- internal/processing/fromfederator.go | 31 +- internal/processing/fromfederator_test.go | 6 +- internal/processing/media/media_test.go | 44 +-- internal/processing/processor_test.go | 126 +------- internal/processing/search.go | 94 +++--- internal/processing/status/status_test.go | 2 +- internal/processing/util.go | 101 ++---- internal/regexes/regexes.go | 2 +- internal/transport/derefinstance.go | 2 +- internal/typeutils/astointernal.go | 8 +- internal/typeutils/astointernal_test.go | 6 +- internal/typeutils/converter.go | 5 +- internal/util/namestring.go | 59 ++++ internal/util/namestring_test.go | 118 +++++++ internal/util/statustools.go | 17 - testrig/testmodels.go | 19 ++ testrig/transportcontroller.go | 252 +++++++++++++-- 62 files changed, 993 insertions(+), 824 deletions(-) create mode 100644 internal/federation/dereferencing/finger.go delete mode 100644 internal/federation/finger.go create mode 100644 internal/util/namestring.go create mode 100644 internal/util/namestring_test.go diff --git a/cmd/gotosocial/action/testrig/testrig.go b/cmd/gotosocial/action/testrig/testrig.go index 8fc87de34..c3ed79910 100644 --- a/cmd/gotosocial/action/testrig/testrig.go +++ b/cmd/gotosocial/action/testrig/testrig.go @@ -85,7 +85,7 @@ StatusCode: 200, Body: r, }, nil - }), dbService, fedWorker) + }, ""), dbService, fedWorker) mediaManager := testrig.NewTestMediaManager(dbService, storageBackend) federator := testrig.NewTestFederator(dbService, transportController, storageBackend, mediaManager, fedWorker) diff --git a/internal/ap/extract.go b/internal/ap/extract.go index 7d980f486..9417077f3 100644 --- a/internal/ap/extract.go +++ b/internal/ap/extract.go @@ -574,7 +574,7 @@ func ExtractMention(i Mentionable) (*gtsmodel.Mention, error) { } // just make sure the mention string is valid so we can handle it properly later on... - _, _, err = util.ExtractMentionParts(mentionString) + _, _, err = util.ExtractNamestringParts(mentionString) if err != nil { return nil, err } diff --git a/internal/api/client/account/account_test.go b/internal/api/client/account/account_test.go index f2114a0f8..ed49e9158 100644 --- a/internal/api/client/account/account_test.go +++ b/internal/api/client/account/account_test.go @@ -67,7 +67,7 @@ func (suite *AccountStandardTestSuite) SetupTest() { suite.db = testrig.NewTestDB() suite.storage = testrig.NewTestStorage() suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.sentEmails = make(map[string]string) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", suite.sentEmails) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/client/admin/admin_test.go b/internal/api/client/admin/admin_test.go index 251a8be9b..6b906f43a 100644 --- a/internal/api/client/admin/admin_test.go +++ b/internal/api/client/admin/admin_test.go @@ -85,7 +85,7 @@ func (suite *AdminStandardTestSuite) SetupTest() { suite.db = testrig.NewTestDB() suite.storage = testrig.NewTestStorage() suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.sentEmails = make(map[string]string) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", suite.sentEmails) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/client/auth/auth_test.go b/internal/api/client/auth/auth_test.go index 6a7c6ab99..726b2be9d 100644 --- a/internal/api/client/auth/auth_test.go +++ b/internal/api/client/auth/auth_test.go @@ -90,7 +90,7 @@ func (suite *AuthStandardTestSuite) SetupTest() { suite.db = testrig.NewTestDB() suite.storage = testrig.NewTestStorage() suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", nil) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/client/fileserver/servefile_test.go b/internal/api/client/fileserver/servefile_test.go index d7de2f4f9..e4db9a704 100644 --- a/internal/api/client/fileserver/servefile_test.go +++ b/internal/api/client/fileserver/servefile_test.go @@ -82,7 +82,7 @@ func (suite *ServeFileTestSuite) SetupSuite() { suite.db = testrig.NewTestDB() suite.storage = testrig.NewTestStorage() - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, testrig.NewTestMediaManager(suite.db, suite.storage), fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", nil) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, testrig.NewTestMediaManager(suite.db, suite.storage), clientWorker, fedWorker) diff --git a/internal/api/client/followrequest/followrequest_test.go b/internal/api/client/followrequest/followrequest_test.go index b86e22ce4..a8c4090f6 100644 --- a/internal/api/client/followrequest/followrequest_test.go +++ b/internal/api/client/followrequest/followrequest_test.go @@ -82,7 +82,7 @@ func (suite *FollowRequestStandardTestSuite) SetupTest() { suite.db = testrig.NewTestDB() suite.storage = testrig.NewTestStorage() suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", nil) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) suite.followRequestModule = followrequest.New(suite.processor).(*followrequest.Module) diff --git a/internal/api/client/instance/instance_test.go b/internal/api/client/instance/instance_test.go index 7ea7d475c..248b87761 100644 --- a/internal/api/client/instance/instance_test.go +++ b/internal/api/client/instance/instance_test.go @@ -85,7 +85,7 @@ func (suite *InstanceStandardTestSuite) SetupTest() { suite.db = testrig.NewTestDB() suite.storage = testrig.NewTestStorage() suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.sentEmails = make(map[string]string) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", suite.sentEmails) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/client/media/mediacreate_test.go b/internal/api/client/media/mediacreate_test.go index 47dd9ac3f..2edf8be9f 100644 --- a/internal/api/client/media/mediacreate_test.go +++ b/internal/api/client/media/mediacreate_test.go @@ -91,7 +91,7 @@ func (suite *MediaCreateTestSuite) SetupSuite() { suite.tc = testrig.NewTestTypeConverter(suite.db) suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) suite.oauthServer = testrig.NewTestOauthServer(suite.db) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", nil) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/client/media/mediaupdate_test.go b/internal/api/client/media/mediaupdate_test.go index d25eddd4d..0aebc435e 100644 --- a/internal/api/client/media/mediaupdate_test.go +++ b/internal/api/client/media/mediaupdate_test.go @@ -89,7 +89,7 @@ func (suite *MediaUpdateTestSuite) SetupSuite() { suite.tc = testrig.NewTestTypeConverter(suite.db) suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) suite.oauthServer = testrig.NewTestOauthServer(suite.db) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", nil) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/client/status/status_test.go b/internal/api/client/status/status_test.go index e2e2819b5..049a5069c 100644 --- a/internal/api/client/status/status_test.go +++ b/internal/api/client/status/status_test.go @@ -19,18 +19,8 @@ package status_test import ( - "bytes" - "context" - "encoding/json" - "fmt" - "io" - "io/ioutil" - "net/http" - "codeberg.org/gruf/go-store/kv" "github.com/stretchr/testify/suite" - "github.com/superseriousbusiness/activity/pub" - "github.com/superseriousbusiness/activity/streams" "github.com/superseriousbusiness/gotosocial/internal/api/client/status" "github.com/superseriousbusiness/gotosocial/internal/concurrency" "github.com/superseriousbusiness/gotosocial/internal/db" @@ -94,7 +84,7 @@ func (suite *StatusStandardTestSuite) SetupTest() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(suite.testHttpClient(), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", nil) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) suite.statusModule = status.New(suite.processor).(*status.Module) @@ -104,88 +94,3 @@ func (suite *StatusStandardTestSuite) TearDownTest() { testrig.StandardDBTeardown(suite.db) testrig.StandardStorageTeardown(suite.storage) } - -func (suite *StatusStandardTestSuite) testHttpClient() pub.HttpClient { - remoteAccount := suite.testAccounts["remote_account_1"] - remoteAccountNamestring := fmt.Sprintf("acct:%s@%s", remoteAccount.Username, remoteAccount.Domain) - remoteAccountWebfingerURI := fmt.Sprintf("https://%s/.well-known/webfinger?resource=%s", remoteAccount.Domain, remoteAccountNamestring) - - fmt.Println(remoteAccountWebfingerURI) - - httpClient := testrig.NewMockHTTPClient(func(req *http.Request) (*http.Response, error) { - // respond correctly to a webfinger lookup - if req.URL.String() == remoteAccountWebfingerURI { - responseJson := fmt.Sprintf(` - { - "subject": "%s", - "aliases": [ - "%s", - "%s" - ], - "links": [ - { - "rel": "http://webfinger.net/rel/profile-page", - "type": "text/html", - "href": "%s" - }, - { - "rel": "self", - "type": "application/activity+json", - "href": "%s" - } - ] - }`, remoteAccountNamestring, remoteAccount.URI, remoteAccount.URL, remoteAccount.URL, remoteAccount.URI) - responseType := "application/json" - - reader := bytes.NewReader([]byte(responseJson)) - readCloser := io.NopCloser(reader) - response := &http.Response{ - StatusCode: 200, - Body: readCloser, - ContentLength: int64(len(responseJson)), - Header: http.Header{ - "content-type": {responseType}, - }, - } - return response, nil - } - - // respond correctly to an account dereference - if req.URL.String() == remoteAccount.URI { - satanAS, err := suite.tc.AccountToAS(context.Background(), remoteAccount) - if err != nil { - panic(err) - } - - satanI, err := streams.Serialize(satanAS) - if err != nil { - panic(err) - } - satanJson, err := json.Marshal(satanI) - if err != nil { - panic(err) - } - responseType := "application/activity+json" - - reader := bytes.NewReader(satanJson) - readCloser := io.NopCloser(reader) - response := &http.Response{ - StatusCode: 200, - Body: readCloser, - ContentLength: int64(len(satanJson)), - Header: http.Header{ - "content-type": {responseType}, - }, - } - return response, nil - } - - r := ioutil.NopCloser(bytes.NewReader([]byte{})) - return &http.Response{ - StatusCode: 200, - Body: r, - }, nil - }) - - return httpClient -} diff --git a/internal/api/client/status/statuscreate_test.go b/internal/api/client/status/statuscreate_test.go index 61d0a5ee4..206dc5cfc 100644 --- a/internal/api/client/status/statuscreate_test.go +++ b/internal/api/client/status/statuscreate_test.go @@ -128,7 +128,7 @@ func (suite *StatusCreateTestSuite) TestMentionUnknownAccount() { ctx.Request = httptest.NewRequest(http.MethodPost, fmt.Sprintf("http://localhost:8080/%s", status.BasePath), nil) // the endpoint we're hitting ctx.Request.Header.Set("accept", "application/json") ctx.Request.Form = url.Values{ - "status": {"hello @foss_satan@fossbros-anonymous.io"}, + "status": {"hello @brand_new_person@unknown-instance.com"}, "visibility": {string(model.VisibilityPublic)}, } suite.statusModule.StatusCreatePOSTHandler(ctx) @@ -145,7 +145,7 @@ func (suite *StatusCreateTestSuite) TestMentionUnknownAccount() { suite.NoError(err) // if the status is properly formatted, that means the account has been put in the db - suite.Equal("

hello @foss_satan

", statusReply.Content) + suite.Equal(`

hello @brand_new_person

`, statusReply.Content) suite.Equal(model.VisibilityPublic, statusReply.Visibility) } diff --git a/internal/api/client/user/user_test.go b/internal/api/client/user/user_test.go index b158ec161..7f5479715 100644 --- a/internal/api/client/user/user_test.go +++ b/internal/api/client/user/user_test.go @@ -69,7 +69,7 @@ func (suite *UserStandardTestSuite) SetupTest() { suite.storage = testrig.NewTestStorage() suite.tc = testrig.NewTestTypeConverter(suite.db) suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.sentEmails = make(map[string]string) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", suite.sentEmails) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/s2s/user/inboxpost_test.go b/internal/api/s2s/user/inboxpost_test.go index 388a9fbbb..3a6ddbcfa 100644 --- a/internal/api/s2s/user/inboxpost_test.go +++ b/internal/api/s2s/user/inboxpost_test.go @@ -88,7 +88,7 @@ func (suite *InboxPostTestSuite) TestPostBlock() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -191,7 +191,7 @@ func (suite *InboxPostTestSuite) TestPostUnblock() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -284,7 +284,7 @@ func (suite *InboxPostTestSuite) TestPostUpdate() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -406,7 +406,7 @@ func (suite *InboxPostTestSuite) TestPostDelete() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/s2s/user/outboxget_test.go b/internal/api/s2s/user/outboxget_test.go index 79122731f..c5fb9e6ed 100644 --- a/internal/api/s2s/user/outboxget_test.go +++ b/internal/api/s2s/user/outboxget_test.go @@ -49,7 +49,7 @@ func (suite *OutboxGetTestSuite) TestGetOutbox() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -107,7 +107,7 @@ func (suite *OutboxGetTestSuite) TestGetOutboxFirstPage() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -165,7 +165,7 @@ func (suite *OutboxGetTestSuite) TestGetOutboxNextPage() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/s2s/user/repliesget_test.go b/internal/api/s2s/user/repliesget_test.go index 845c07bdb..6c2913057 100644 --- a/internal/api/s2s/user/repliesget_test.go +++ b/internal/api/s2s/user/repliesget_test.go @@ -52,7 +52,7 @@ func (suite *RepliesGetTestSuite) TestGetReplies() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -116,7 +116,7 @@ func (suite *RepliesGetTestSuite) TestGetRepliesNext() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -183,7 +183,7 @@ func (suite *RepliesGetTestSuite) TestGetRepliesLast() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/s2s/user/statusget_test.go b/internal/api/s2s/user/statusget_test.go index 6696bd7e9..29f93fd71 100644 --- a/internal/api/s2s/user/statusget_test.go +++ b/internal/api/s2s/user/statusget_test.go @@ -51,7 +51,7 @@ func (suite *StatusGetTestSuite) TestGetStatus() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -119,7 +119,7 @@ func (suite *StatusGetTestSuite) TestGetStatusLowercase() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) diff --git a/internal/api/s2s/user/user_test.go b/internal/api/s2s/user/user_test.go index e8d305d06..024fb907e 100644 --- a/internal/api/s2s/user/user_test.go +++ b/internal/api/s2s/user/user_test.go @@ -85,7 +85,7 @@ func (suite *UserStandardTestSuite) SetupTest() { suite.tc = testrig.NewTestTypeConverter(suite.db) suite.storage = testrig.NewTestStorage() suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", nil) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) suite.userModule = user.New(suite.processor).(*user.Module) diff --git a/internal/api/s2s/user/userget_test.go b/internal/api/s2s/user/userget_test.go index 5ac2197ff..f5b15a390 100644 --- a/internal/api/s2s/user/userget_test.go +++ b/internal/api/s2s/user/userget_test.go @@ -52,7 +52,7 @@ func (suite *UserGetTestSuite) TestGetUser() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -102,7 +102,7 @@ func (suite *UserGetTestSuite) TestGetUser() { // convert person to account // since this account is already known, we should get a pretty full model of it from the conversion - a, err := suite.tc.ASRepresentationToAccount(context.Background(), person, false) + a, err := suite.tc.ASRepresentationToAccount(context.Background(), person, "", false) suite.NoError(err) suite.EqualValues(targetAccount.Username, a.Username) } @@ -133,7 +133,7 @@ func (suite *UserGetTestSuite) TestGetUserPublicKeyDeleted() { clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker) federator := testrig.NewTestFederator(suite.db, tc, suite.storage, suite.mediaManager, fedWorker) emailSender := testrig.NewEmailSender("../../../../web/template/", nil) processor := testrig.NewTestProcessor(suite.db, suite.storage, federator, emailSender, suite.mediaManager, clientWorker, fedWorker) @@ -182,7 +182,7 @@ func (suite *UserGetTestSuite) TestGetUserPublicKeyDeleted() { suite.True(ok) // convert person to account - a, err := suite.tc.ASRepresentationToAccount(context.Background(), person, false) + a, err := suite.tc.ASRepresentationToAccount(context.Background(), person, "", false) suite.NoError(err) suite.EqualValues(targetAccount.Username, a.Username) } diff --git a/internal/api/s2s/webfinger/webfinger_test.go b/internal/api/s2s/webfinger/webfinger_test.go index 0df50c503..9758a6be7 100644 --- a/internal/api/s2s/webfinger/webfinger_test.go +++ b/internal/api/s2s/webfinger/webfinger_test.go @@ -88,7 +88,7 @@ func (suite *WebfingerStandardTestSuite) SetupTest() { suite.tc = testrig.NewTestTypeConverter(suite.db) suite.storage = testrig.NewTestStorage() suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) + suite.federator = testrig.NewTestFederator(suite.db, testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../../testrig/media"), suite.db, fedWorker), suite.storage, suite.mediaManager, fedWorker) suite.emailSender = testrig.NewEmailSender("../../../../web/template/", nil) suite.processor = testrig.NewTestProcessor(suite.db, suite.storage, suite.federator, suite.emailSender, suite.mediaManager, clientWorker, fedWorker) suite.webfingerModule = webfinger.New(suite.processor).(*webfinger.Module) diff --git a/internal/api/s2s/webfinger/webfingerget.go b/internal/api/s2s/webfinger/webfingerget.go index 7e7ca006b..6d4764ce5 100644 --- a/internal/api/s2s/webfinger/webfingerget.go +++ b/internal/api/s2s/webfinger/webfingerget.go @@ -22,13 +22,13 @@ "context" "fmt" "net/http" - "strings" "github.com/gin-gonic/gin" "github.com/sirupsen/logrus" "github.com/superseriousbusiness/gotosocial/internal/ap" "github.com/superseriousbusiness/gotosocial/internal/api" "github.com/superseriousbusiness/gotosocial/internal/config" + "github.com/superseriousbusiness/gotosocial/internal/util" ) // WebfingerGETRequest swagger:operation GET /.well-known/webfinger webfingerGet @@ -67,35 +67,19 @@ func (m *Module) WebfingerGETRequest(c *gin.Context) { return } - // remove the acct: prefix if it's present - trimAcct := strings.TrimPrefix(resourceQuery, "acct:") - // remove the first @ in @whatever@example.org if it's present - namestring := strings.TrimPrefix(trimAcct, "@") - - // at this point we should have a string like some_user@example.org - l.Debugf("got finger request for '%s'", namestring) - - usernameAndAccountDomain := strings.Split(namestring, "@") - if len(usernameAndAccountDomain) != 2 { - l.Debugf("aborting request because username and domain could not be parsed from %s", namestring) - c.JSON(http.StatusBadRequest, gin.H{"error": "bad request"}) - return - } - - username := strings.ToLower(usernameAndAccountDomain[0]) - requestedAccountDomain := strings.ToLower(usernameAndAccountDomain[1]) - if username == "" || requestedAccountDomain == "" { - l.Debug("aborting request because username or domain was empty") - c.JSON(http.StatusBadRequest, gin.H{"error": "bad request"}) + requestedUsername, requestedHost, err := util.ExtractWebfingerParts(resourceQuery) + if err != nil { + l.Debugf("bad webfinger request with resource query %s: %s", resourceQuery, err) + c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("bad webfinger request with resource query %s", resourceQuery)}) return } accountDomain := config.GetAccountDomain() host := config.GetHost() - if requestedAccountDomain != accountDomain && requestedAccountDomain != host { - l.Debugf("aborting request because accountDomain %s does not belong to this instance", requestedAccountDomain) - c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("accountDomain %s does not belong to this instance", requestedAccountDomain)}) + if requestedHost != host && requestedHost != accountDomain { + l.Debugf("aborting request because requestedHost %s does not belong to this instance", requestedHost) + c.JSON(http.StatusBadRequest, gin.H{"error": fmt.Sprintf("requested host %s does not belong to this instance", requestedHost)}) return } @@ -106,7 +90,7 @@ func (m *Module) WebfingerGETRequest(c *gin.Context) { ctx = context.WithValue(ctx, ap.ContextRequestingPublicKeyVerifier, verifier) } - resp, errWithCode := m.processor.GetWebfingerAccount(ctx, username) + resp, errWithCode := m.processor.GetWebfingerAccount(ctx, requestedUsername) if errWithCode != nil { api.ErrorHandler(c, errWithCode, m.processor.InstanceGet) return diff --git a/internal/concurrency/workers.go b/internal/concurrency/workers.go index aeafeff12..65ce9e3ab 100644 --- a/internal/concurrency/workers.go +++ b/internal/concurrency/workers.go @@ -45,7 +45,7 @@ func NewWorkerPool[MsgType any](workers int, queueRatio int) *WorkerPool[MsgType if workers < 1 { // ensure sensible workers - workers = runtime.GOMAXPROCS(0) * 2 + workers = runtime.GOMAXPROCS(0) * 4 } if queueRatio < 1 { // ensure sensible ratio diff --git a/internal/federation/dereference.go b/internal/federation/dereference.go index 8efa0cc7e..705cdbd19 100644 --- a/internal/federation/dereference.go +++ b/internal/federation/dereference.go @@ -23,11 +23,12 @@ "net/url" "github.com/superseriousbusiness/gotosocial/internal/ap" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" ) -func (f *federator) GetRemoteAccount(ctx context.Context, username string, remoteAccountID *url.URL, blocking bool, refresh bool) (*gtsmodel.Account, error) { - return f.dereferencer.GetRemoteAccount(ctx, username, remoteAccountID, blocking, refresh) +func (f *federator) GetRemoteAccount(ctx context.Context, params dereferencing.GetRemoteAccountParams) (*gtsmodel.Account, error) { + return f.dereferencer.GetRemoteAccount(ctx, params) } func (f *federator) GetRemoteStatus(ctx context.Context, username string, remoteStatusID *url.URL, refetch, includeParent bool) (*gtsmodel.Status, ap.Statusable, error) { diff --git a/internal/federation/dereferencing/account.go b/internal/federation/dereferencing/account.go index 7d5d80479..c479906d7 100644 --- a/internal/federation/dereferencing/account.go +++ b/internal/federation/dereferencing/account.go @@ -33,12 +33,15 @@ "github.com/superseriousbusiness/activity/streams" "github.com/superseriousbusiness/activity/streams/vocab" "github.com/superseriousbusiness/gotosocial/internal/ap" + "github.com/superseriousbusiness/gotosocial/internal/db" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" "github.com/superseriousbusiness/gotosocial/internal/id" "github.com/superseriousbusiness/gotosocial/internal/media" "github.com/superseriousbusiness/gotosocial/internal/transport" ) +var webfingerInterval = -48 * time.Hour // 2 days in the past + func instanceAccount(account *gtsmodel.Account) bool { return strings.EqualFold(account.Username, account.Domain) || account.FollowersURI == "" || @@ -46,97 +49,238 @@ func instanceAccount(account *gtsmodel.Account) bool { (account.Username == "internal.fetch" && strings.Contains(account.Note, "internal service actor")) } +// GetRemoteAccountParams wraps parameters for a remote account lookup. +type GetRemoteAccountParams struct { + // The username of the user doing the lookup request (optional). + // If not set, then the GtS instance account will be used to do the lookup. + RequestingUsername string + // The ActivityPub URI of the remote account (optional). + // If not set (nil), the ActivityPub URI of the remote account will be discovered + // via webfinger, so you must set RemoteAccountUsername and RemoteAccountHost + // if this parameter is not set. + RemoteAccountID *url.URL + // The username of the remote account (optional). + // If RemoteAccountID is not set, then this value must be set. + RemoteAccountUsername string + // The host of the remote account (optional). + // If RemoteAccountID is not set, then this value must be set. + RemoteAccountHost string + // Whether to do a blocking call to the remote instance. If true, + // then the account's media and other fields will be fully dereferenced before it is returned. + // If false, then the account's media and other fields will be dereferenced in the background, + // so only a minimal account representation will be returned by GetRemoteAccount. + Blocking bool + // Whether to skip making calls to remote instances. This is useful when you want to + // quickly fetch a remote account from the database or fail, and don't want to cause + // http requests to go flying around. + SkipResolve bool +} + // GetRemoteAccount completely dereferences a remote account, converts it to a GtS model account, -// puts it in the database, and returns it to a caller. -// -// Refresh indicates whether--if the account exists in our db already--it should be refreshed by calling -// the remote instance again. Blocking indicates whether the function should block until processing of -// the fetched account is complete. -// -// SIDE EFFECTS: remote account will be stored in the database, or updated if it already exists (and refresh is true). -func (d *deref) GetRemoteAccount(ctx context.Context, username string, remoteAccountID *url.URL, blocking bool, refresh bool) (*gtsmodel.Account, error) { - new := true +// puts or updates it in the database (if necessary), and returns it to a caller. +func (d *deref) GetRemoteAccount(ctx context.Context, params GetRemoteAccountParams) (remoteAccount *gtsmodel.Account, err error) { - // check if we already have the account in our db, and just return it unless we'd doing a refresh - remoteAccount, err := d.db.GetAccountByURI(ctx, remoteAccountID.String()) - if err == nil { - new = false - if !refresh { - // make sure the account fields are populated before returning: - // even if we're not doing a refresh, the caller might want to block - // until everything is loaded - changed, err := d.populateAccountFields(ctx, remoteAccount, username, refresh, blocking) + /* + In this function we want to retrieve a gtsmodel representation of a remote account, with its proper + accountDomain set, while making as few calls to remote instances as possible to save time and bandwidth. + + There are a few different paths through this function, and the path taken depends on how much + initial information we are provided with via parameters, how much information we already have stored, + and what we're allowed to do according to the parameters we've been passed. + + Scenario 1: We're not allowed to resolve remotely, but we've got either the account URI or the + account username + host, so we can check in our database and return if possible. + + Scenario 2: We are allowed to resolve remotely, and we have an account URI but no username or host. + In this case, we can use the URI to resolve the remote account and find the username, + and then we can webfinger the account to discover the accountDomain if necessary. + + Scenario 3: We are allowed to resolve remotely, and we have the username and host but no URI. + In this case, we can webfinger the account to discover the URI, and then dereference + from that. + */ + + // first check if we can retrieve the account locally just with what we've been given + switch { + case params.RemoteAccountID != nil: + // try with uri + if a, dbErr := d.db.GetAccountByURI(ctx, params.RemoteAccountID.String()); dbErr == nil { + remoteAccount = a + } else if dbErr != db.ErrNoEntries { + err = fmt.Errorf("GetRemoteAccount: database error looking for account %s: %s", params.RemoteAccountID, err) + } + case params.RemoteAccountUsername != "" && params.RemoteAccountHost != "": + // try with username/host + a := >smodel.Account{} + where := []db.Where{{Key: "username", Value: params.RemoteAccountUsername}, {Key: "domain", Value: params.RemoteAccountHost}} + if dbErr := d.db.GetWhere(ctx, where, a); dbErr == nil { + remoteAccount = a + } else if dbErr != db.ErrNoEntries { + err = fmt.Errorf("GetRemoteAccount: database error looking for account with username %s and host %s: %s", params.RemoteAccountUsername, params.RemoteAccountHost, err) + } + default: + err = errors.New("GetRemoteAccount: no identifying parameters were set so we cannot get account") + } + + if err != nil { + return + } + + if params.SkipResolve { + // if we can't resolve, return already since there's nothing more we can do + if remoteAccount == nil { + err = errors.New("GetRemoteAccount: error retrieving account with skipResolve set true") + } + return + } + + var accountable ap.Accountable + if params.RemoteAccountUsername == "" || params.RemoteAccountHost == "" { + // try to populate the missing params + // the first one is easy ... + params.RemoteAccountHost = params.RemoteAccountID.Host + // ... but we still need the username so we can do a finger for the accountDomain + + // check if we had the account stored already and got it earlier + if remoteAccount != nil { + params.RemoteAccountUsername = remoteAccount.Username + } else { + // if we didn't already have it, we have dereference it from remote and just... + accountable, err = d.dereferenceAccountable(ctx, params.RequestingUsername, params.RemoteAccountID) if err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error populating remoteAccount fields: %s", err) + err = fmt.Errorf("GetRemoteAccount: error dereferencing accountable: %s", err) + return } - if changed { - updatedAccount, err := d.db.UpdateAccount(ctx, remoteAccount) - if err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error updating remoteAccount: %s", err) - } - return updatedAccount, err + // ... take the username (for now) + params.RemoteAccountUsername, err = ap.ExtractPreferredUsername(accountable) + if err != nil { + err = fmt.Errorf("GetRemoteAccount: error extracting accountable username: %s", err) + return } - - return remoteAccount, nil } } - if new { - // we haven't seen this account before: dereference it from remote - accountable, err := d.dereferenceAccountable(ctx, username, remoteAccountID) - if err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error dereferencing accountable: %s", err) - } + // if we reach this point, params.RemoteAccountHost and params.RemoteAccountUsername must be set + // params.RemoteAccountID may or may not be set, but we have enough information to fetch it if we need it - newAccount, err := d.typeConverter.ASRepresentationToAccount(ctx, accountable, refresh) - if err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error converting accountable to account: %s", err) - } - - ulid, err := id.NewRandomULID() - if err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error generating new id for account: %s", err) - } - newAccount.ID = ulid - - if _, err := d.populateAccountFields(ctx, newAccount, username, refresh, blocking); err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error populating further account fields: %s", err) - } - - if err := d.db.Put(ctx, newAccount); err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error putting new account: %s", err) - } - - return newAccount, nil + // we finger to fetch the account domain but just in case we're not fingering, make a best guess + // already about what the account domain might be; this var will be overwritten later if necessary + var accountDomain string + switch { + case remoteAccount != nil: + accountDomain = remoteAccount.Domain + case params.RemoteAccountID != nil: + accountDomain = params.RemoteAccountID.Host + default: + accountDomain = params.RemoteAccountHost } - // we have seen this account before, but we have to refresh it - refreshedAccountable, err := d.dereferenceAccountable(ctx, username, remoteAccountID) + // to save on remote calls: only webfinger if we don't have a remoteAccount yet, or if we haven't + // fingered the remote account for at least 2 days; don't finger instance accounts + var fingered time.Time + if remoteAccount == nil || (remoteAccount.LastWebfingeredAt.Before(time.Now().Add(webfingerInterval)) && !instanceAccount(remoteAccount)) { + accountDomain, params.RemoteAccountID, err = d.fingerRemoteAccount(ctx, params.RequestingUsername, params.RemoteAccountUsername, params.RemoteAccountHost) + if err != nil { + err = fmt.Errorf("GetRemoteAccount: error while fingering: %s", err) + return + } + fingered = time.Now() + } + + if !fingered.IsZero() && remoteAccount == nil { + // if we just fingered and now have a discovered account domain but still no account, + // we should do a final lookup in the database with the discovered username + accountDomain + // to make absolutely sure we don't already have this account + a := >smodel.Account{} + where := []db.Where{{Key: "username", Value: params.RemoteAccountUsername}, {Key: "domain", Value: accountDomain}} + if dbErr := d.db.GetWhere(ctx, where, a); dbErr == nil { + remoteAccount = a + } else if dbErr != db.ErrNoEntries { + err = fmt.Errorf("GetRemoteAccount: database error looking for account with username %s and host %s: %s", params.RemoteAccountUsername, params.RemoteAccountHost, err) + return + } + } + + // we may also have some extra information already, like the account we had in the db, or the + // accountable representation that we dereferenced from remote + if remoteAccount == nil { + // we still don't have the account, so deference it if we didn't earlier + if accountable == nil { + accountable, err = d.dereferenceAccountable(ctx, params.RequestingUsername, params.RemoteAccountID) + if err != nil { + err = fmt.Errorf("GetRemoteAccount: error dereferencing accountable: %s", err) + return + } + } + + // then convert + remoteAccount, err = d.typeConverter.ASRepresentationToAccount(ctx, accountable, accountDomain, false) + if err != nil { + err = fmt.Errorf("GetRemoteAccount: error converting accountable to account: %s", err) + return + } + + // this is a new account so we need to generate a new ID for it + var ulid string + ulid, err = id.NewRandomULID() + if err != nil { + err = fmt.Errorf("GetRemoteAccount: error generating new id for account: %s", err) + return + } + remoteAccount.ID = ulid + + _, err = d.populateAccountFields(ctx, remoteAccount, params.RequestingUsername, params.Blocking) + if err != nil { + err = fmt.Errorf("GetRemoteAccount: error populating further account fields: %s", err) + return + } + + remoteAccount.LastWebfingeredAt = fingered + remoteAccount.UpdatedAt = time.Now() + + err = d.db.Put(ctx, remoteAccount) + if err != nil { + err = fmt.Errorf("GetRemoteAccount: error putting new account: %s", err) + return + } + + return // the new account + } + + // we had the account already, but now we know the account domain, so update it if it's different + if !strings.EqualFold(remoteAccount.Domain, accountDomain) { + remoteAccount.Domain = accountDomain + remoteAccount, err = d.db.UpdateAccount(ctx, remoteAccount) + if err != nil { + err = fmt.Errorf("GetRemoteAccount: error updating account: %s", err) + return + } + } + + // make sure the account fields are populated before returning: + // the caller might want to block until everything is loaded + var fieldsChanged bool + fieldsChanged, err = d.populateAccountFields(ctx, remoteAccount, params.RequestingUsername, params.Blocking) if err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error dereferencing refreshedAccountable: %s", err) + return nil, fmt.Errorf("GetRemoteAccount: error populating remoteAccount fields: %s", err) } - refreshedAccount, err := d.typeConverter.ASRepresentationToAccount(ctx, refreshedAccountable, refresh) - if err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error converting refreshedAccountable to refreshedAccount: %s", err) - } - refreshedAccount.ID = remoteAccount.ID - - changed, err := d.populateAccountFields(ctx, refreshedAccount, username, refresh, blocking) - if err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error populating further refreshedAccount fields: %s", err) + var fingeredChanged bool + if !fingered.IsZero() { + fingeredChanged = true + remoteAccount.LastWebfingeredAt = fingered } - if changed { - updatedAccount, err := d.db.UpdateAccount(ctx, refreshedAccount) + if fieldsChanged || fingeredChanged { + remoteAccount.UpdatedAt = time.Now() + remoteAccount, err = d.db.UpdateAccount(ctx, remoteAccount) if err != nil { - return nil, fmt.Errorf("GetRemoteAccount: error updating refreshedAccount: %s", err) + return nil, fmt.Errorf("GetRemoteAccount: error updating remoteAccount: %s", err) } - return updatedAccount, nil } - return refreshedAccount, nil + return // the account we already had + possibly updated } // dereferenceAccountable calls remoteAccountID with a GET request, and tries to parse whatever @@ -209,7 +353,7 @@ func (d *deref) dereferenceAccountable(ctx context.Context, username string, rem // populateAccountFields populates any fields on the given account that weren't populated by the initial // dereferencing. This includes things like header and avatar etc. -func (d *deref) populateAccountFields(ctx context.Context, account *gtsmodel.Account, requestingUsername string, blocking bool, refresh bool) (bool, error) { +func (d *deref) populateAccountFields(ctx context.Context, account *gtsmodel.Account, requestingUsername string, blocking bool) (bool, error) { // if we're dealing with an instance account, just bail, we don't need to do anything if instanceAccount(account) { return false, nil @@ -230,7 +374,7 @@ func (d *deref) populateAccountFields(ctx context.Context, account *gtsmodel.Acc } // fetch the header and avatar - changed, err := d.fetchRemoteAccountMedia(ctx, account, t, refresh, blocking) + changed, err := d.fetchRemoteAccountMedia(ctx, account, t, blocking) if err != nil { return false, fmt.Errorf("populateAccountFields: error fetching header/avi for account: %s", err) } @@ -250,7 +394,7 @@ func (d *deref) populateAccountFields(ctx context.Context, account *gtsmodel.Acc // // If blocking is true, then the calls to the media manager made by this function will be blocking: // in other words, the function won't return until the header and the avatar have been fully processed. -func (d *deref) fetchRemoteAccountMedia(ctx context.Context, targetAccount *gtsmodel.Account, t transport.Transport, blocking bool, refresh bool) (bool, error) { +func (d *deref) fetchRemoteAccountMedia(ctx context.Context, targetAccount *gtsmodel.Account, t transport.Transport, blocking bool) (bool, error) { changed := false accountURI, err := url.Parse(targetAccount.URI) @@ -262,7 +406,7 @@ func (d *deref) fetchRemoteAccountMedia(ctx context.Context, targetAccount *gtsm return changed, fmt.Errorf("fetchRemoteAccountMedia: domain %s is blocked", accountURI.Host) } - if targetAccount.AvatarRemoteURL != "" && (targetAccount.AvatarMediaAttachmentID == "" || refresh) { + if targetAccount.AvatarRemoteURL != "" && (targetAccount.AvatarMediaAttachmentID == "") { var processingMedia *media.ProcessingMedia d.dereferencingAvatarsLock.Lock() // LOCK HERE @@ -320,7 +464,7 @@ func (d *deref) fetchRemoteAccountMedia(ctx context.Context, targetAccount *gtsm changed = true } - if targetAccount.HeaderRemoteURL != "" && (targetAccount.HeaderMediaAttachmentID == "" || refresh) { + if targetAccount.HeaderRemoteURL != "" && (targetAccount.HeaderMediaAttachmentID == "") { var processingMedia *media.ProcessingMedia d.dereferencingHeadersLock.Lock() // LOCK HERE diff --git a/internal/federation/dereferencing/account_test.go b/internal/federation/dereferencing/account_test.go index 75c02af75..72092951b 100644 --- a/internal/federation/dereferencing/account_test.go +++ b/internal/federation/dereferencing/account_test.go @@ -24,6 +24,7 @@ "github.com/stretchr/testify/suite" "github.com/superseriousbusiness/gotosocial/internal/ap" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/testrig" ) @@ -35,7 +36,10 @@ func (suite *AccountTestSuite) TestDereferenceGroup() { fetchingAccount := suite.testAccounts["local_account_1"] groupURL := testrig.URLMustParse("https://unknown-instance.com/groups/some_group") - group, err := suite.dereferencer.GetRemoteAccount(context.Background(), fetchingAccount.Username, groupURL, false, false) + group, err := suite.dereferencer.GetRemoteAccount(context.Background(), dereferencing.GetRemoteAccountParams{ + RequestingUsername: fetchingAccount.Username, + RemoteAccountID: groupURL, + }) suite.NoError(err) suite.NotNil(group) suite.NotNil(group) @@ -55,7 +59,10 @@ func (suite *AccountTestSuite) TestDereferenceService() { fetchingAccount := suite.testAccounts["local_account_1"] serviceURL := testrig.URLMustParse("https://owncast.example.org/federation/user/rgh") - service, err := suite.dereferencer.GetRemoteAccount(context.Background(), fetchingAccount.Username, serviceURL, false, false) + service, err := suite.dereferencer.GetRemoteAccount(context.Background(), dereferencing.GetRemoteAccountParams{ + RequestingUsername: fetchingAccount.Username, + RemoteAccountID: serviceURL, + }) suite.NoError(err) suite.NotNil(service) suite.NotNil(service) @@ -69,6 +76,7 @@ func (suite *AccountTestSuite) TestDereferenceService() { suite.NoError(err) suite.Equal(service.ID, dbService.ID) suite.Equal(ap.ActorService, dbService.ActorType) + suite.Equal("example.org", dbService.Domain) } func TestAccountTestSuite(t *testing.T) { diff --git a/internal/federation/dereferencing/dereferencer.go b/internal/federation/dereferencing/dereferencer.go index cae24d0fd..4f7559be3 100644 --- a/internal/federation/dereferencing/dereferencer.go +++ b/internal/federation/dereferencing/dereferencer.go @@ -33,7 +33,7 @@ // Dereferencer wraps logic and functionality for doing dereferencing of remote accounts, statuses, etc, from federated instances. type Dereferencer interface { - GetRemoteAccount(ctx context.Context, username string, remoteAccountID *url.URL, blocking bool, refresh bool) (*gtsmodel.Account, error) + GetRemoteAccount(ctx context.Context, params GetRemoteAccountParams) (*gtsmodel.Account, error) GetRemoteStatus(ctx context.Context, username string, remoteStatusID *url.URL, refetch, includeParent bool) (*gtsmodel.Status, ap.Statusable, error) EnrichRemoteStatus(ctx context.Context, username string, status *gtsmodel.Status, includeParent bool) (*gtsmodel.Status, error) diff --git a/internal/federation/dereferencing/dereferencer_test.go b/internal/federation/dereferencing/dereferencer_test.go index 96ec7869f..0f4732187 100644 --- a/internal/federation/dereferencing/dereferencer_test.go +++ b/internal/federation/dereferencing/dereferencer_test.go @@ -19,22 +19,14 @@ package dereferencing_test import ( - "bytes" - "encoding/json" - "io" - "net/http" - "codeberg.org/gruf/go-store/kv" - "github.com/sirupsen/logrus" "github.com/stretchr/testify/suite" - "github.com/superseriousbusiness/activity/streams" "github.com/superseriousbusiness/activity/streams/vocab" "github.com/superseriousbusiness/gotosocial/internal/concurrency" "github.com/superseriousbusiness/gotosocial/internal/db" "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" "github.com/superseriousbusiness/gotosocial/internal/messages" - "github.com/superseriousbusiness/gotosocial/internal/transport" "github.com/superseriousbusiness/gotosocial/testrig" ) @@ -66,106 +58,10 @@ func (suite *DereferencerStandardTestSuite) SetupTest() { suite.db = testrig.NewTestDB() suite.storage = testrig.NewTestStorage() - suite.dereferencer = dereferencing.NewDereferencer(suite.db, testrig.NewTestTypeConverter(suite.db), suite.mockTransportController(), testrig.NewTestMediaManager(suite.db, suite.storage)) + suite.dereferencer = dereferencing.NewDereferencer(suite.db, testrig.NewTestTypeConverter(suite.db), testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../testrig/media"), suite.db, concurrency.NewWorkerPool[messages.FromFederator](-1, -1)), testrig.NewTestMediaManager(suite.db, suite.storage)) testrig.StandardDBSetup(suite.db, nil) } func (suite *DereferencerStandardTestSuite) TearDownTest() { testrig.StandardDBTeardown(suite.db) } - -// mockTransportController returns basically a miniature muxer, which returns a different -// value based on the request URL. It can be used to return remote statuses, profiles, etc, -// as though they were actually being dereferenced. If the URL doesn't correspond to any person -// or note or attachment that we have stored, then just a 200 code will be returned, with an empty body. -func (suite *DereferencerStandardTestSuite) mockTransportController() transport.Controller { - do := func(req *http.Request) (*http.Response, error) { - logrus.Debugf("received request for %s", req.URL) - - responseBytes := []byte{} - responseType := "" - responseLength := 0 - - if note, ok := suite.testRemoteStatuses[req.URL.String()]; ok { - // the request is for a note that we have stored - noteI, err := streams.Serialize(note) - if err != nil { - panic(err) - } - noteJson, err := json.Marshal(noteI) - if err != nil { - panic(err) - } - responseBytes = noteJson - responseType = "application/activity+json" - } - - if person, ok := suite.testRemotePeople[req.URL.String()]; ok { - // the request is for a person that we have stored - personI, err := streams.Serialize(person) - if err != nil { - panic(err) - } - personJson, err := json.Marshal(personI) - if err != nil { - panic(err) - } - responseBytes = personJson - responseType = "application/activity+json" - } - - if group, ok := suite.testRemoteGroups[req.URL.String()]; ok { - // the request is for a person that we have stored - groupI, err := streams.Serialize(group) - if err != nil { - panic(err) - } - groupJson, err := json.Marshal(groupI) - if err != nil { - panic(err) - } - responseBytes = groupJson - responseType = "application/activity+json" - } - - if service, ok := suite.testRemoteServices[req.URL.String()]; ok { - serviceI, err := streams.Serialize(service) - if err != nil { - panic(err) - } - serviceJson, err := json.Marshal(serviceI) - if err != nil { - panic(err) - } - responseBytes = serviceJson - responseType = "application/activity+json" - } - - if attachment, ok := suite.testRemoteAttachments[req.URL.String()]; ok { - responseBytes = attachment.Data - responseType = attachment.ContentType - } - - if len(responseBytes) != 0 { - // we found something, so print what we're going to return - logrus.Debugf("returning response %s", string(responseBytes)) - } - responseLength = len(responseBytes) - - reader := bytes.NewReader(responseBytes) - readCloser := io.NopCloser(reader) - response := &http.Response{ - StatusCode: 200, - Body: readCloser, - ContentLength: int64(responseLength), - Header: http.Header{ - "content-type": {responseType}, - }, - } - - return response, nil - } - fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - mockClient := testrig.NewMockHTTPClient(do) - return testrig.NewTestTransportController(mockClient, suite.db, fedWorker) -} diff --git a/internal/federation/dereferencing/finger.go b/internal/federation/dereferencing/finger.go new file mode 100644 index 000000000..9613d2975 --- /dev/null +++ b/internal/federation/dereferencing/finger.go @@ -0,0 +1,80 @@ +/* + GoToSocial + Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . +*/ + +package dereferencing + +import ( + "context" + "encoding/json" + "errors" + "fmt" + "net/url" + "strings" + + apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model" + "github.com/superseriousbusiness/gotosocial/internal/util" +) + +func (d *deref) fingerRemoteAccount(ctx context.Context, username string, targetUsername string, targetHost string) (accountDomain string, accountURI *url.URL, err error) { + t, err := d.transportController.NewTransportForUsername(ctx, username) + if err != nil { + err = fmt.Errorf("fingerRemoteAccount: error getting transport for %s: %s", username, err) + return + } + + b, err := t.Finger(ctx, targetUsername, targetHost) + if err != nil { + err = fmt.Errorf("fingerRemoteAccount: error fingering @%s@%s: %s", targetUsername, targetHost, err) + return + } + + resp := &apimodel.WellKnownResponse{} + if err = json.Unmarshal(b, resp); err != nil { + err = fmt.Errorf("fingerRemoteAccount: could not unmarshal server response as WebfingerAccountResponse while dereferencing @%s@%s: %s", targetUsername, targetHost, err) + return + } + + if len(resp.Links) == 0 { + err = fmt.Errorf("fingerRemoteAccount: no links found in webfinger response %s", string(b)) + return + } + + if resp.Subject == "" { + err = fmt.Errorf("fingerRemoteAccount: no subject found in webfinger response %s", string(b)) + return + } + + _, accountDomain, err = util.ExtractWebfingerParts(resp.Subject) + if err != nil { + err = fmt.Errorf("fingerRemoteAccount: error extracting webfinger subject parts: %s", err) + } + + // look through the links for the first one that matches what we need + for _, l := range resp.Links { + if l.Rel == "self" && (strings.EqualFold(l.Type, "application/activity+json") || strings.EqualFold(l.Type, "application/ld+json; profile=\"https://www.w3.org/ns/activitystreams\"")) { + if uri, thiserr := url.Parse(l.Href); thiserr == nil && (uri.Scheme == "http" || uri.Scheme == "https") { + // found it! + accountURI = uri + return + } + } + } + + err = errors.New("fingerRemoteAccount: no match found in webfinger response") + return +} diff --git a/internal/federation/dereferencing/status.go b/internal/federation/dereferencing/status.go index 7c4d588bb..8cb110f24 100644 --- a/internal/federation/dereferencing/status.go +++ b/internal/federation/dereferencing/status.go @@ -85,7 +85,10 @@ func (d *deref) GetRemoteStatus(ctx context.Context, username string, remoteStat return nil, nil, fmt.Errorf("GetRemoteStatus: error extracting attributedTo: %s", err) } - _, err = d.GetRemoteAccount(ctx, username, accountURI, true, false) + _, err = d.GetRemoteAccount(ctx, GetRemoteAccountParams{ + RequestingUsername: username, + RemoteAccountID: accountURI, + }) if err != nil { return nil, nil, fmt.Errorf("GetRemoteStatus: couldn't get status author: %s", err) } @@ -316,7 +319,10 @@ func (d *deref) populateStatusMentions(ctx context.Context, status *gtsmodel.Sta if targetAccount == nil { // we didn't find the account in our database already // check if we can get the account remotely (dereference it) - if a, err := d.GetRemoteAccount(ctx, requestingUsername, targetAccountURI, false, false); err != nil { + if a, err := d.GetRemoteAccount(ctx, GetRemoteAccountParams{ + RequestingUsername: requestingUsername, + RemoteAccountID: targetAccountURI, + }); err != nil { errs = append(errs, err.Error()) } else { logrus.Debugf("populateStatusMentions: got target account %s with id %s through GetRemoteAccount", targetAccountURI, a.ID) diff --git a/internal/federation/federatingactor_test.go b/internal/federation/federatingactor_test.go index fdf907030..905b6a7b4 100644 --- a/internal/federation/federatingactor_test.go +++ b/internal/federation/federatingactor_test.go @@ -19,10 +19,7 @@ package federation_test import ( - "bytes" "context" - "io/ioutil" - "net/http" "net/url" "testing" "time" @@ -60,15 +57,9 @@ func (suite *FederatingActorTestSuite) TestSendNoRemoteFollowers() { fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) // setup transport controller with a no-op client so we don't make external calls - sentMessages := []*url.URL{} - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(func(req *http.Request) (*http.Response, error) { - sentMessages = append(sentMessages, req.URL) - r := ioutil.NopCloser(bytes.NewReader([]byte{})) - return &http.Response{ - StatusCode: 200, - Body: r, - }, nil - }), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) + // setup module being tested federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) @@ -77,7 +68,7 @@ func (suite *FederatingActorTestSuite) TestSendNoRemoteFollowers() { suite.NotNil(activity) // because zork has no remote followers, sent messages should be empty (no messages sent to own instance) - suite.Empty(sentMessages) + suite.Empty(httpClient.SentMessages) } func (suite *FederatingActorTestSuite) TestSendRemoteFollower() { @@ -87,8 +78,8 @@ func (suite *FederatingActorTestSuite) TestSendRemoteFollower() { err := suite.db.Put(ctx, >smodel.Follow{ ID: "01G1TRWV4AYCDBX5HRWT2EVBCV", - CreatedAt: time.Now(), - UpdatedAt: time.Now(), + CreatedAt: testrig.TimeMustParse("2022-06-02T12:22:21+02:00"), + UpdatedAt: testrig.TimeMustParse("2022-06-02T12:22:21+02:00"), AccountID: testRemoteAccount.ID, TargetAccountID: testAccount.ID, ShowReblogs: true, @@ -100,7 +91,7 @@ func (suite *FederatingActorTestSuite) TestSendRemoteFollower() { testNote := testrig.NewAPNote( testrig.URLMustParse("http://localhost:8080/users/the_mighty_zork/statuses/01G1TR6BADACCZWQMNF9X21TV5"), testrig.URLMustParse("http://localhost:8080/@the_mighty_zork/statuses/01G1TR6BADACCZWQMNF9X21TV5"), - time.Now(), + testrig.TimeMustParse("2022-06-02T12:22:21+02:00"), "boobies", "", testrig.URLMustParse(testAccount.URI), @@ -110,20 +101,12 @@ func (suite *FederatingActorTestSuite) TestSendRemoteFollower() { nil, nil, ) - testActivity := testrig.WrapAPNoteInCreate(testrig.URLMustParse("http://localhost:8080/whatever_some_create"), testrig.URLMustParse(testAccount.URI), time.Now(), testNote) + testActivity := testrig.WrapAPNoteInCreate(testrig.URLMustParse("http://localhost:8080/whatever_some_create"), testrig.URLMustParse(testAccount.URI), testrig.TimeMustParse("2022-06-02T12:22:21+02:00"), testNote) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - // setup transport controller with a no-op client so we don't make external calls - sentMessages := []*url.URL{} - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(func(req *http.Request) (*http.Response, error) { - sentMessages = append(sentMessages, req.URL) - r := ioutil.NopCloser(bytes.NewReader([]byte{})) - return &http.Response{ - StatusCode: 200, - Body: r, - }, nil - }), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) // setup module being tested federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) @@ -132,8 +115,10 @@ func (suite *FederatingActorTestSuite) TestSendRemoteFollower() { suite.NotNil(activity) // because we added 1 remote follower for zork, there should be a url in sentMessage - suite.Len(sentMessages, 1) - suite.Equal(testRemoteAccount.InboxURI, sentMessages[0].String()) + suite.Len(httpClient.SentMessages, 1) + msg, ok := httpClient.SentMessages[testRemoteAccount.InboxURI] + suite.True(ok) + suite.Equal(`{"@context":"https://www.w3.org/ns/activitystreams","actor":"http://localhost:8080/users/the_mighty_zork","id":"http://localhost:8080/whatever_some_create","object":{"attributedTo":"http://localhost:8080/users/the_mighty_zork","content":"boobies","id":"http://localhost:8080/users/the_mighty_zork/statuses/01G1TR6BADACCZWQMNF9X21TV5","published":"2022-06-02T12:22:21+02:00","tag":[],"to":"http://localhost:8080/users/the_mighty_zork/followers","type":"Note","url":"http://localhost:8080/@the_mighty_zork/statuses/01G1TR6BADACCZWQMNF9X21TV5"},"published":"2022-06-02T12:22:21+02:00","to":"http://localhost:8080/users/the_mighty_zork/followers","type":"Create"}`, string(msg)) } func TestFederatingActorTestSuite(t *testing.T) { diff --git a/internal/federation/federatingdb/update.go b/internal/federation/federatingdb/update.go index 525932ea8..09d5c8fd8 100644 --- a/internal/federation/federatingdb/update.go +++ b/internal/federation/federatingdb/update.go @@ -119,7 +119,7 @@ func (f *federatingDB) Update(ctx context.Context, asType vocab.Type) error { accountable = i } - updatedAcct, err := f.typeConverter.ASRepresentationToAccount(ctx, accountable, true) + updatedAcct, err := f.typeConverter.ASRepresentationToAccount(ctx, accountable, "", true) if err != nil { return fmt.Errorf("UPDATE: error converting to account: %s", err) } diff --git a/internal/federation/federatingprotocol.go b/internal/federation/federatingprotocol.go index a41d1ae80..8944987c5 100644 --- a/internal/federation/federatingprotocol.go +++ b/internal/federation/federatingprotocol.go @@ -31,6 +31,7 @@ "github.com/superseriousbusiness/activity/streams/vocab" "github.com/superseriousbusiness/gotosocial/internal/ap" "github.com/superseriousbusiness/gotosocial/internal/db" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" "github.com/superseriousbusiness/gotosocial/internal/uris" "github.com/superseriousbusiness/gotosocial/internal/util" @@ -197,7 +198,10 @@ func (f *federator) AuthenticatePostInbox(ctx context.Context, w http.ResponseWr } } - requestingAccount, err := f.GetRemoteAccount(ctx, username, publicKeyOwnerURI, false, false) + requestingAccount, err := f.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: username, + RemoteAccountID: publicKeyOwnerURI, + }) if err != nil { return nil, false, fmt.Errorf("couldn't get requesting account %s: %s", publicKeyOwnerURI, err) } diff --git a/internal/federation/federatingprotocol_test.go b/internal/federation/federatingprotocol_test.go index 992a55e6b..36832e009 100644 --- a/internal/federation/federatingprotocol_test.go +++ b/internal/federation/federatingprotocol_test.go @@ -45,10 +45,8 @@ func (suite *FederatingProtocolTestSuite) TestPostInboxRequestBodyHook1() { fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - // setup transport controller with a no-op client so we don't make external calls - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(func(req *http.Request) (*http.Response, error) { - return nil, nil - }), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) // setup module being tested federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) @@ -78,10 +76,9 @@ func (suite *FederatingProtocolTestSuite) TestPostInboxRequestBodyHook2() { fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - // setup transport controller with a no-op client so we don't make external calls - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(func(req *http.Request) (*http.Response, error) { - return nil, nil - }), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) + // setup module being tested federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) @@ -112,10 +109,9 @@ func (suite *FederatingProtocolTestSuite) TestPostInboxRequestBodyHook3() { fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - // setup transport controller with a no-op client so we don't make external calls - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(func(req *http.Request) (*http.Response, error) { - return nil, nil - }), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) + // setup module being tested federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) @@ -148,7 +144,9 @@ func (suite *FederatingProtocolTestSuite) TestAuthenticatePostInbox() { fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) + // now setup module being tested, with the mock transport controller federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) @@ -186,7 +184,8 @@ func (suite *FederatingProtocolTestSuite) TestAuthenticatePostInbox() { func (suite *FederatingProtocolTestSuite) TestBlocked1() { fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) sendingAccount := suite.testAccounts["remote_account_1"] @@ -208,7 +207,8 @@ func (suite *FederatingProtocolTestSuite) TestBlocked1() { func (suite *FederatingProtocolTestSuite) TestBlocked2() { fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) sendingAccount := suite.testAccounts["remote_account_1"] @@ -241,7 +241,8 @@ func (suite *FederatingProtocolTestSuite) TestBlocked2() { func (suite *FederatingProtocolTestSuite) TestBlocked3() { fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) sendingAccount := suite.testAccounts["remote_account_1"] @@ -277,7 +278,8 @@ func (suite *FederatingProtocolTestSuite) TestBlocked3() { func (suite *FederatingProtocolTestSuite) TestBlocked4() { fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - tc := testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + httpClient := testrig.NewMockHTTPClient(nil, "../../testrig/media") + tc := testrig.NewTestTransportController(httpClient, suite.db, fedWorker) federator := federation.NewFederator(suite.db, testrig.NewTestFederatingDB(suite.db, fedWorker), tc, suite.tc, testrig.NewTestMediaManager(suite.db, suite.storage)) sendingAccount := suite.testAccounts["remote_account_1"] diff --git a/internal/federation/federator.go b/internal/federation/federator.go index 6412c9ee1..2f0606338 100644 --- a/internal/federation/federator.go +++ b/internal/federation/federator.go @@ -53,14 +53,10 @@ type Federator interface { // If something goes wrong during authentication, nil, false, and an error will be returned. AuthenticateFederatedRequest(ctx context.Context, username string) (*url.URL, gtserror.WithCode) - // FingerRemoteAccount performs a webfinger lookup for a remote account, using the .well-known path. It will return the ActivityPub URI for that - // account, or an error if it doesn't exist or can't be retrieved. - FingerRemoteAccount(ctx context.Context, requestingUsername string, targetUsername string, targetDomain string) (*url.URL, error) - DereferenceRemoteThread(ctx context.Context, username string, statusURI *url.URL) error DereferenceAnnounce(ctx context.Context, announce *gtsmodel.Status, requestingUsername string) error - GetRemoteAccount(ctx context.Context, username string, remoteAccountID *url.URL, blocking bool, refresh bool) (*gtsmodel.Account, error) + GetRemoteAccount(ctx context.Context, params dereferencing.GetRemoteAccountParams) (*gtsmodel.Account, error) GetRemoteStatus(ctx context.Context, username string, remoteStatusID *url.URL, refetch, includeParent bool) (*gtsmodel.Status, ap.Statusable, error) EnrichRemoteStatus(ctx context.Context, username string, status *gtsmodel.Status, includeParent bool) (*gtsmodel.Status, error) diff --git a/internal/federation/finger.go b/internal/federation/finger.go deleted file mode 100644 index eba90a705..000000000 --- a/internal/federation/finger.go +++ /dev/null @@ -1,72 +0,0 @@ -/* - GoToSocial - Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org - - This program is free software: you can redistribute it and/or modify - it under the terms of the GNU Affero General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU Affero General Public License for more details. - - You should have received a copy of the GNU Affero General Public License - along with this program. If not, see . -*/ - -package federation - -import ( - "context" - "encoding/json" - "errors" - "fmt" - "net/url" - "strings" - - apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model" -) - -func (f *federator) FingerRemoteAccount(ctx context.Context, requestingUsername string, targetUsername string, targetDomain string) (*url.URL, error) { - if blocked, err := f.db.IsDomainBlocked(ctx, targetDomain); blocked || err != nil { - return nil, fmt.Errorf("FingerRemoteAccount: domain %s is blocked", targetDomain) - } - - t, err := f.transportController.NewTransportForUsername(ctx, requestingUsername) - if err != nil { - return nil, fmt.Errorf("FingerRemoteAccount: error getting transport for username %s while dereferencing @%s@%s: %s", requestingUsername, targetUsername, targetDomain, err) - } - - b, err := t.Finger(ctx, targetUsername, targetDomain) - if err != nil { - return nil, fmt.Errorf("FingerRemoteAccount: error doing request on behalf of username %s while dereferencing @%s@%s: %s", requestingUsername, targetUsername, targetDomain, err) - } - - resp := &apimodel.WellKnownResponse{} - if err := json.Unmarshal(b, resp); err != nil { - return nil, fmt.Errorf("FingerRemoteAccount: could not unmarshal server response as WebfingerAccountResponse on behalf of username %s while dereferencing @%s@%s: %s", requestingUsername, targetUsername, targetDomain, err) - } - - if len(resp.Links) == 0 { - return nil, fmt.Errorf("FingerRemoteAccount: no links found in webfinger response %s", string(b)) - } - - // look through the links for the first one that matches "application/activity+json", this is what we need - for _, l := range resp.Links { - if strings.EqualFold(l.Type, "application/activity+json") { - if l.Href == "" || l.Rel != "self" { - continue - } - accountURI, err := url.Parse(l.Href) - if err != nil { - return nil, fmt.Errorf("FingerRemoteAccount: couldn't parse url %s: %s", l.Href, err) - } - // found it! - return accountURI, nil - } - } - - return nil, errors.New("FingerRemoteAccount: no match found in webfinger response") -} diff --git a/internal/processing/account/account_test.go b/internal/processing/account/account_test.go index d9ce68cc0..8ea1665ac 100644 --- a/internal/processing/account/account_test.go +++ b/internal/processing/account/account_test.go @@ -23,7 +23,6 @@ "codeberg.org/gruf/go-store/kv" "github.com/stretchr/testify/suite" - "github.com/superseriousbusiness/activity/pub" "github.com/superseriousbusiness/gotosocial/internal/concurrency" "github.com/superseriousbusiness/gotosocial/internal/db" "github.com/superseriousbusiness/gotosocial/internal/email" @@ -48,7 +47,6 @@ type AccountStandardTestSuite struct { mediaManager media.Manager oauthServer oauth.Server fromClientAPIChan chan messages.FromClientAPI - httpClient pub.HttpClient transportController transport.Controller federator federation.Federator emailSender email.Sender @@ -97,8 +95,7 @@ func (suite *AccountStandardTestSuite) SetupTest() { suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) suite.oauthServer = testrig.NewTestOauthServer(suite.db) suite.fromClientAPIChan = make(chan messages.FromClientAPI, 100) - suite.httpClient = testrig.NewMockHTTPClient(nil) - suite.transportController = testrig.NewTestTransportController(suite.httpClient, suite.db, fedWorker) + suite.transportController = testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../testrig/media"), suite.db, fedWorker) suite.federator = testrig.NewTestFederator(suite.db, suite.transportController, suite.storage, suite.mediaManager, fedWorker) suite.sentEmails = make(map[string]string) suite.emailSender = testrig.NewEmailSender("../../../web/template/", suite.sentEmails) diff --git a/internal/processing/account/get.go b/internal/processing/account/get.go index 70c1cd9fe..d6f1aa71f 100644 --- a/internal/processing/account/get.go +++ b/internal/processing/account/get.go @@ -26,6 +26,7 @@ apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model" "github.com/superseriousbusiness/gotosocial/internal/db" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtserror" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" ) @@ -80,7 +81,13 @@ func (p *processor) getAccountFor(ctx context.Context, requestingAccount *gtsmod return nil, gtserror.NewErrorInternalError(fmt.Errorf("error parsing url %s: %s", targetAccount.URI, err)) } - a, err := p.federator.GetRemoteAccount(ctx, requestingAccount.Username, targetAccountURI, true, false) + a, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: requestingAccount.Username, + RemoteAccountID: targetAccountURI, + RemoteAccountHost: targetAccount.Domain, + RemoteAccountUsername: targetAccount.Username, + Blocking: true, + }) if err == nil { targetAccount = a } diff --git a/internal/processing/account_test.go b/internal/processing/account_test.go index f974f0b9d..3fd7d83f4 100644 --- a/internal/processing/account_test.go +++ b/internal/processing/account_test.go @@ -60,7 +60,7 @@ func (suite *AccountTestSuite) TestAccountDeleteLocal() { time.Sleep(1 * time.Second) // wait a sec for the delete to process // the delete should be federated outwards to the following account's inbox - sent, ok := suite.sentHTTPRequests[followingAccount.InboxURI] + sent, ok := suite.httpClient.SentMessages[followingAccount.InboxURI] suite.True(ok) delete := &struct { Actor string `json:"actor"` diff --git a/internal/processing/federation/getfollowers.go b/internal/processing/federation/getfollowers.go index 6c54dbd50..30ec1c58f 100644 --- a/internal/processing/federation/getfollowers.go +++ b/internal/processing/federation/getfollowers.go @@ -24,6 +24,7 @@ "net/url" "github.com/superseriousbusiness/activity/streams" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtserror" ) @@ -40,7 +41,10 @@ func (p *processor) GetFollowers(ctx context.Context, requestedUsername string, return nil, errWithCode } - requestingAccount, err := p.federator.GetRemoteAccount(ctx, requestedUsername, requestingAccountURI, false, false) + requestingAccount, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: requestedUsername, + RemoteAccountID: requestingAccountURI, + }) if err != nil { return nil, gtserror.NewErrorUnauthorized(err) } diff --git a/internal/processing/federation/getfollowing.go b/internal/processing/federation/getfollowing.go index 6b1afae92..13291939a 100644 --- a/internal/processing/federation/getfollowing.go +++ b/internal/processing/federation/getfollowing.go @@ -24,6 +24,7 @@ "net/url" "github.com/superseriousbusiness/activity/streams" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtserror" ) @@ -40,7 +41,10 @@ func (p *processor) GetFollowing(ctx context.Context, requestedUsername string, return nil, errWithCode } - requestingAccount, err := p.federator.GetRemoteAccount(ctx, requestedUsername, requestingAccountURI, false, false) + requestingAccount, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: requestedUsername, + RemoteAccountID: requestingAccountURI, + }) if err != nil { return nil, gtserror.NewErrorUnauthorized(err) } diff --git a/internal/processing/federation/getoutbox.go b/internal/processing/federation/getoutbox.go index 4e428c1ae..b2e618b98 100644 --- a/internal/processing/federation/getoutbox.go +++ b/internal/processing/federation/getoutbox.go @@ -25,6 +25,7 @@ "github.com/superseriousbusiness/activity/streams" "github.com/superseriousbusiness/gotosocial/internal/db" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtserror" ) @@ -41,7 +42,10 @@ func (p *processor) GetOutbox(ctx context.Context, requestedUsername string, pag return nil, errWithCode } - requestingAccount, err := p.federator.GetRemoteAccount(ctx, requestedUsername, requestingAccountURI, false, false) + requestingAccount, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: requestedUsername, + RemoteAccountID: requestingAccountURI, + }) if err != nil { return nil, gtserror.NewErrorUnauthorized(err) } diff --git a/internal/processing/federation/getstatus.go b/internal/processing/federation/getstatus.go index ef77d6c4f..f61c87d1d 100644 --- a/internal/processing/federation/getstatus.go +++ b/internal/processing/federation/getstatus.go @@ -24,6 +24,7 @@ "net/url" "github.com/superseriousbusiness/activity/streams" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtserror" ) @@ -40,7 +41,10 @@ func (p *processor) GetStatus(ctx context.Context, requestedUsername string, req return nil, errWithCode } - requestingAccount, err := p.federator.GetRemoteAccount(ctx, requestedUsername, requestingAccountURI, false, false) + requestingAccount, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: requestedUsername, + RemoteAccountID: requestingAccountURI, + }) if err != nil { return nil, gtserror.NewErrorUnauthorized(err) } diff --git a/internal/processing/federation/getstatusreplies.go b/internal/processing/federation/getstatusreplies.go index 3a2c9d944..fad986ea5 100644 --- a/internal/processing/federation/getstatusreplies.go +++ b/internal/processing/federation/getstatusreplies.go @@ -25,6 +25,7 @@ "github.com/superseriousbusiness/activity/streams" "github.com/superseriousbusiness/gotosocial/internal/db" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtserror" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" ) @@ -42,7 +43,10 @@ func (p *processor) GetStatusReplies(ctx context.Context, requestedUsername stri return nil, errWithCode } - requestingAccount, err := p.federator.GetRemoteAccount(ctx, requestedUsername, requestingAccountURI, false, false) + requestingAccount, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: requestedUsername, + RemoteAccountID: requestingAccountURI, + }) if err != nil { return nil, gtserror.NewErrorUnauthorized(err) } diff --git a/internal/processing/federation/getuser.go b/internal/processing/federation/getuser.go index 63c83f3c5..372a3a57b 100644 --- a/internal/processing/federation/getuser.go +++ b/internal/processing/federation/getuser.go @@ -25,6 +25,7 @@ "github.com/superseriousbusiness/activity/streams" "github.com/superseriousbusiness/activity/streams/vocab" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtserror" "github.com/superseriousbusiness/gotosocial/internal/uris" ) @@ -52,7 +53,10 @@ func (p *processor) GetUser(ctx context.Context, requestedUsername string, reque // if we're not already handshaking/dereferencing a remote account, dereference it now if !p.federator.Handshaking(ctx, requestedUsername, requestingAccountURI) { - requestingAccount, err := p.federator.GetRemoteAccount(ctx, requestedUsername, requestingAccountURI, false, false) + requestingAccount, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: requestedUsername, + RemoteAccountID: requestingAccountURI, + }) if err != nil { return nil, gtserror.NewErrorUnauthorized(err) } diff --git a/internal/processing/followrequest_test.go b/internal/processing/followrequest_test.go index 957e501fc..41e4f686e 100644 --- a/internal/processing/followrequest_test.go +++ b/internal/processing/followrequest_test.go @@ -57,7 +57,7 @@ func (suite *FollowRequestTestSuite) TestFollowRequestAccept() { time.Sleep(1 * time.Second) // accept should be sent to some_user - sent, ok := suite.sentHTTPRequests[requestingAccount.InboxURI] + sent, ok := suite.httpClient.SentMessages[requestingAccount.InboxURI] suite.True(ok) accept := &struct { @@ -109,7 +109,7 @@ func (suite *FollowRequestTestSuite) TestFollowRequestReject() { time.Sleep(1 * time.Second) // reject should be sent to some_user - sent, ok := suite.sentHTTPRequests[requestingAccount.InboxURI] + sent, ok := suite.httpClient.SentMessages[requestingAccount.InboxURI] suite.True(ok) reject := &struct { diff --git a/internal/processing/fromfederator.go b/internal/processing/fromfederator.go index a2eaa9bd1..60f5cc787 100644 --- a/internal/processing/fromfederator.go +++ b/internal/processing/fromfederator.go @@ -26,6 +26,7 @@ "github.com/sirupsen/logrus" "github.com/superseriousbusiness/gotosocial/internal/ap" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" "github.com/superseriousbusiness/gotosocial/internal/id" "github.com/superseriousbusiness/gotosocial/internal/messages" @@ -130,7 +131,11 @@ func (p *processor) processCreateStatusFromFederator(ctx context.Context, federa return err } - a, err := p.federator.GetRemoteAccount(ctx, federatorMsg.ReceivingAccount.Username, remoteAccountID, true, false) + a, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: federatorMsg.ReceivingAccount.Username, + RemoteAccountID: remoteAccountID, + Blocking: true, + }) if err != nil { return err } @@ -172,7 +177,11 @@ func (p *processor) processCreateFaveFromFederator(ctx context.Context, federato return err } - a, err := p.federator.GetRemoteAccount(ctx, federatorMsg.ReceivingAccount.Username, remoteAccountID, true, false) + a, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: federatorMsg.ReceivingAccount.Username, + RemoteAccountID: remoteAccountID, + Blocking: true, + }) if err != nil { return err } @@ -210,7 +219,11 @@ func (p *processor) processCreateFollowRequestFromFederator(ctx context.Context, return err } - a, err := p.federator.GetRemoteAccount(ctx, federatorMsg.ReceivingAccount.Username, remoteAccountID, true, false) + a, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: federatorMsg.ReceivingAccount.Username, + RemoteAccountID: remoteAccountID, + Blocking: true, + }) if err != nil { return err } @@ -267,7 +280,11 @@ func (p *processor) processCreateAnnounceFromFederator(ctx context.Context, fede return err } - a, err := p.federator.GetRemoteAccount(ctx, federatorMsg.ReceivingAccount.Username, remoteAccountID, true, false) + a, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: federatorMsg.ReceivingAccount.Username, + RemoteAccountID: remoteAccountID, + Blocking: true, + }) if err != nil { return err } @@ -332,7 +349,11 @@ func (p *processor) processUpdateAccountFromFederator(ctx context.Context, feder return err } - if _, err := p.federator.GetRemoteAccount(ctx, federatorMsg.ReceivingAccount.Username, incomingAccountURL, false, true); err != nil { + if _, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: federatorMsg.ReceivingAccount.Username, + RemoteAccountID: incomingAccountURL, + Blocking: true, + }); err != nil { return fmt.Errorf("error enriching updated account from federator: %s", err) } diff --git a/internal/processing/fromfederator_test.go b/internal/processing/fromfederator_test.go index 6028fd065..4d339cb18 100644 --- a/internal/processing/fromfederator_test.go +++ b/internal/processing/fromfederator_test.go @@ -423,7 +423,7 @@ func (suite *FromFederatorTestSuite) TestProcessFollowRequestLocked() { suite.Equal(originAccount.ID, notif.Account.ID) // no messages should have been sent out, since we didn't need to federate an accept - suite.Empty(suite.sentHTTPRequests) + suite.Empty(suite.httpClient.SentMessages) } func (suite *FromFederatorTestSuite) TestProcessFollowRequestUnlocked() { @@ -474,8 +474,8 @@ func (suite *FromFederatorTestSuite) TestProcessFollowRequestUnlocked() { suite.Equal(originAccount.ID, notif.Account.ID) // an accept message should be sent to satan's inbox - suite.Len(suite.sentHTTPRequests, 1) - acceptBytes := suite.sentHTTPRequests[originAccount.InboxURI] + suite.Len(suite.httpClient.SentMessages, 1) + acceptBytes := suite.httpClient.SentMessages[originAccount.InboxURI] accept := &struct { Actor string `json:"actor"` ID string `json:"id"` diff --git a/internal/processing/media/media_test.go b/internal/processing/media/media_test.go index 1149f2646..c8c8736be 100644 --- a/internal/processing/media/media_test.go +++ b/internal/processing/media/media_test.go @@ -19,12 +19,7 @@ package media_test import ( - "bytes" - "io" - "net/http" - "codeberg.org/gruf/go-store/kv" - "github.com/sirupsen/logrus" "github.com/stretchr/testify/suite" "github.com/superseriousbusiness/gotosocial/internal/concurrency" "github.com/superseriousbusiness/gotosocial/internal/db" @@ -79,7 +74,7 @@ func (suite *MediaStandardTestSuite) SetupTest() { suite.tc = testrig.NewTestTypeConverter(suite.db) suite.storage = testrig.NewTestStorage() suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) - suite.transportController = suite.mockTransportController() + suite.transportController = testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../testrig/media"), suite.db, concurrency.NewWorkerPool[messages.FromFederator](-1, -1)) suite.mediaProcessor = mediaprocessing.New(suite.db, suite.tc, suite.mediaManager, suite.transportController, suite.storage) testrig.StandardDBSetup(suite.db, nil) testrig.StandardStorageSetup(suite.storage, "../../../testrig/media") @@ -89,40 +84,3 @@ func (suite *MediaStandardTestSuite) TearDownTest() { testrig.StandardDBTeardown(suite.db) testrig.StandardStorageTeardown(suite.storage) } - -func (suite *MediaStandardTestSuite) mockTransportController() transport.Controller { - do := func(req *http.Request) (*http.Response, error) { - logrus.Debugf("received request for %s", req.URL) - - responseBytes := []byte{} - responseType := "" - responseLength := 0 - - if attachment, ok := suite.testRemoteAttachments[req.URL.String()]; ok { - responseBytes = attachment.Data - responseType = attachment.ContentType - } - - if len(responseBytes) != 0 { - // we found something, so print what we're going to return - logrus.Debugf("returning response %s", string(responseBytes)) - } - responseLength = len(responseBytes) - - reader := bytes.NewReader(responseBytes) - readCloser := io.NopCloser(reader) - response := &http.Response{ - StatusCode: 200, - Body: readCloser, - ContentLength: int64(responseLength), - Header: http.Header{ - "content-type": {responseType}, - }, - } - - return response, nil - } - fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - mockClient := testrig.NewMockHTTPClient(do) - return testrig.NewTestTransportController(mockClient, suite.db, fedWorker) -} diff --git a/internal/processing/processor_test.go b/internal/processing/processor_test.go index 7032f8e28..c60ff5c97 100644 --- a/internal/processing/processor_test.go +++ b/internal/processing/processor_test.go @@ -19,16 +19,8 @@ package processing_test import ( - "bytes" - "context" - "encoding/json" - "io" - "io/ioutil" - "net/http" - "codeberg.org/gruf/go-store/kv" "github.com/stretchr/testify/suite" - "github.com/superseriousbusiness/activity/streams" "github.com/superseriousbusiness/gotosocial/internal/concurrency" "github.com/superseriousbusiness/gotosocial/internal/db" "github.com/superseriousbusiness/gotosocial/internal/email" @@ -50,6 +42,7 @@ type ProcessingStandardTestSuite struct { storage *kv.KVStore mediaManager media.Manager typeconverter typeutils.TypeConverter + httpClient *testrig.MockHTTPClient transportController transport.Controller federator federation.Federator oauthServer oauth.Server @@ -69,8 +62,6 @@ type ProcessingStandardTestSuite struct { testBlocks map[string]*gtsmodel.Block testActivities map[string]testrig.ActivityWithSignature - sentHTTPRequests map[string][]byte - processor processing.Processor } @@ -102,123 +93,12 @@ func (suite *ProcessingStandardTestSuite) SetupTest() { suite.testActivities = testrig.NewTestActivities(suite.testAccounts) suite.storage = testrig.NewTestStorage() suite.typeconverter = testrig.NewTestTypeConverter(suite.db) - - // make an http client that stores POST requests it receives into a map, - // and also responds to correctly to dereference requests - suite.sentHTTPRequests = make(map[string][]byte) - httpClient := testrig.NewMockHTTPClient(func(req *http.Request) (*http.Response, error) { - if req.Method == http.MethodPost && req.Body != nil { - requestBytes, err := ioutil.ReadAll(req.Body) - if err != nil { - panic(err) - } - if err := req.Body.Close(); err != nil { - panic(err) - } - suite.sentHTTPRequests[req.URL.String()] = requestBytes - } - - if req.URL.String() == suite.testAccounts["remote_account_1"].URI { - // the request is for remote account 1 - satan := suite.testAccounts["remote_account_1"] - - satanAS, err := suite.typeconverter.AccountToAS(context.Background(), satan) - if err != nil { - panic(err) - } - - satanI, err := streams.Serialize(satanAS) - if err != nil { - panic(err) - } - satanJson, err := json.Marshal(satanI) - if err != nil { - panic(err) - } - responseType := "application/activity+json" - - reader := bytes.NewReader(satanJson) - readCloser := io.NopCloser(reader) - response := &http.Response{ - StatusCode: 200, - Body: readCloser, - ContentLength: int64(len(satanJson)), - Header: http.Header{ - "content-type": {responseType}, - }, - } - return response, nil - } - - if req.URL.String() == suite.testAccounts["remote_account_2"].URI { - // the request is for remote account 2 - someAccount := suite.testAccounts["remote_account_2"] - - someAccountAS, err := suite.typeconverter.AccountToAS(context.Background(), someAccount) - if err != nil { - panic(err) - } - - someAccountI, err := streams.Serialize(someAccountAS) - if err != nil { - panic(err) - } - someAccountJson, err := json.Marshal(someAccountI) - if err != nil { - panic(err) - } - responseType := "application/activity+json" - - reader := bytes.NewReader(someAccountJson) - readCloser := io.NopCloser(reader) - response := &http.Response{ - StatusCode: 200, - Body: readCloser, - ContentLength: int64(len(someAccountJson)), - Header: http.Header{ - "content-type": {responseType}, - }, - } - return response, nil - } - - if req.URL.String() == "http://example.org/users/some_user/statuses/afaba698-5740-4e32-a702-af61aa543bc1" { - // the request is for the forwarded message - message := suite.testActivities["forwarded_message"].Activity.GetActivityStreamsObject().At(0).GetActivityStreamsNote() - messageI, err := streams.Serialize(message) - if err != nil { - panic(err) - } - messageJson, err := json.Marshal(messageI) - if err != nil { - panic(err) - } - responseType := "application/activity+json" - - reader := bytes.NewReader(messageJson) - readCloser := io.NopCloser(reader) - response := &http.Response{ - StatusCode: 200, - Body: readCloser, - ContentLength: int64(len(messageJson)), - Header: http.Header{ - "content-type": {responseType}, - }, - } - return response, nil - } - - r := ioutil.NopCloser(bytes.NewReader([]byte{})) - return &http.Response{ - StatusCode: 200, - Body: r, - }, nil - }) + suite.httpClient = testrig.NewMockHTTPClient(nil, "../../testrig/media") clientWorker := concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) fedWorker := concurrency.NewWorkerPool[messages.FromFederator](-1, -1) - suite.transportController = testrig.NewTestTransportController(httpClient, suite.db, fedWorker) + suite.transportController = testrig.NewTestTransportController(suite.httpClient, suite.db, fedWorker) suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) suite.federator = testrig.NewTestFederator(suite.db, suite.transportController, suite.storage, suite.mediaManager, fedWorker) suite.oauthServer = testrig.NewTestOauthServer(suite.db) diff --git a/internal/processing/search.go b/internal/processing/search.go index 1b0813fd9..d4ff94a21 100644 --- a/internal/processing/search.go +++ b/internal/processing/search.go @@ -20,6 +20,7 @@ import ( "context" + "errors" "fmt" "net/url" "strings" @@ -28,53 +29,70 @@ apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model" "github.com/superseriousbusiness/gotosocial/internal/config" "github.com/superseriousbusiness/gotosocial/internal/db" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtserror" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" "github.com/superseriousbusiness/gotosocial/internal/oauth" "github.com/superseriousbusiness/gotosocial/internal/util" ) -func (p *processor) SearchGet(ctx context.Context, authed *oauth.Auth, searchQuery *apimodel.SearchQuery) (*apimodel.SearchResult, gtserror.WithCode) { +func (p *processor) SearchGet(ctx context.Context, authed *oauth.Auth, search *apimodel.SearchQuery) (*apimodel.SearchResult, gtserror.WithCode) { l := logrus.WithFields(logrus.Fields{ "func": "SearchGet", - "query": searchQuery.Query, + "query": search.Query, }) - results := &apimodel.SearchResult{ + // tidy up the query and make sure it wasn't just spaces + query := strings.TrimSpace(search.Query) + if query == "" { + err := errors.New("search query was empty string after trimming space") + return nil, gtserror.NewErrorBadRequest(err, err.Error()) + } + + searchResult := &apimodel.SearchResult{ Accounts: []apimodel.Account{}, Statuses: []apimodel.Status{}, Hashtags: []apimodel.Tag{}, } foundAccounts := []*gtsmodel.Account{} foundStatuses := []*gtsmodel.Status{} - // foundHashtags := []*gtsmodel.Tag{} - - // convert the query to lowercase and trim leading/trailing spaces - query := strings.ToLower(strings.TrimSpace(searchQuery.Query)) var foundOne bool - // check if the query is something like @whatever_username@example.org -- this means it's a remote account - if _, domain, err := util.ExtractMentionParts(searchQuery.Query); err == nil && domain != "" { - l.Debug("search term is a mention, looking it up...") - foundAccount, err := p.searchAccountByMention(ctx, authed, searchQuery.Query, searchQuery.Resolve) - if err == nil && foundAccount != nil { + + /* + SEARCH BY MENTION + check if the query is something like @whatever_username@example.org -- this means it's a remote account + */ + maybeNamestring := query + if maybeNamestring[0] != '@' { + maybeNamestring = "@" + maybeNamestring + } + + if username, domain, err := util.ExtractNamestringParts(maybeNamestring); err == nil { + l.Debugf("search term %s is a mention, looking it up...", maybeNamestring) + if foundAccount, err := p.searchAccountByMention(ctx, authed, username, domain, search.Resolve); err == nil && foundAccount != nil { foundAccounts = append(foundAccounts, foundAccount) foundOne = true l.Debug("got an account by searching by mention") + } else if err != nil { + l.Debugf("error looking up account %s: %s", maybeNamestring, err) } } - // check if the query is a URI with a recognizable scheme and just do a lookup for that, straight up + /* + SEARCH BY URI + check if the query is a URI with a recognizable scheme and dereference it + */ if !foundOne { if uri, err := url.Parse(query); err == nil && (uri.Scheme == "https" || uri.Scheme == "http") { // 1. check if it's a status - if foundStatus, err := p.searchStatusByURI(ctx, authed, uri, searchQuery.Resolve); err == nil && foundStatus != nil { + if foundStatus, err := p.searchStatusByURI(ctx, authed, uri, search.Resolve); err == nil && foundStatus != nil { foundStatuses = append(foundStatuses, foundStatus) l.Debug("got a status by searching by URI") } // 2. check if it's an account - if foundAccount, err := p.searchAccountByURI(ctx, authed, uri, searchQuery.Resolve); err == nil && foundAccount != nil { + if foundAccount, err := p.searchAccountByURI(ctx, authed, uri, search.Resolve); err == nil && foundAccount != nil { foundAccounts = append(foundAccounts, foundAccount) l.Debug("got an account by searching by URI") } @@ -90,7 +108,7 @@ func (p *processor) SearchGet(ctx context.Context, authed *oauth.Auth, searchQue if blocked, err := p.db.IsBlocked(ctx, authed.Account.ID, foundAccount.ID, true); err == nil && !blocked { // all good, convert it and add it to the results if apiAcct, err := p.tc.AccountToAPIAccountPublic(ctx, foundAccount); err == nil && apiAcct != nil { - results.Accounts = append(results.Accounts, *apiAcct) + searchResult.Accounts = append(searchResult.Accounts, *apiAcct) } } } @@ -105,10 +123,10 @@ func (p *processor) SearchGet(ctx context.Context, authed *oauth.Auth, searchQue continue } - results.Statuses = append(results.Statuses, *apiStatus) + searchResult.Statuses = append(searchResult.Statuses, *apiStatus) } - return results, nil + return searchResult, nil } func (p *processor) searchStatusByURI(ctx context.Context, authed *oauth.Auth, uri *url.URL, resolve bool) (*gtsmodel.Status, error) { @@ -147,7 +165,10 @@ func (p *processor) searchAccountByURI(ctx context.Context, authed *oauth.Auth, if resolve { // we don't have it locally so try and dereference it - account, err := p.federator.GetRemoteAccount(ctx, authed.Account.Username, uri, true, true) + account, err := p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: authed.Account.Username, + RemoteAccountID: uri, + }) if err != nil { return nil, fmt.Errorf("searchAccountByURI: error dereferencing account with uri %s: %s", uri.String(), err) } @@ -156,18 +177,14 @@ func (p *processor) searchAccountByURI(ctx context.Context, authed *oauth.Auth, return nil, nil } -func (p *processor) searchAccountByMention(ctx context.Context, authed *oauth.Auth, mention string, resolve bool) (*gtsmodel.Account, error) { - // query is for a remote account - username, domain, err := util.ExtractMentionParts(mention) - if err != nil { - return nil, fmt.Errorf("searchAccountByMention: error extracting mention parts: %s", err) - } +func (p *processor) searchAccountByMention(ctx context.Context, authed *oauth.Auth, username string, domain string, resolve bool) (*gtsmodel.Account, error) { + maybeAcct := >smodel.Account{} + var err error // if it's a local account we can skip a whole bunch of stuff - maybeAcct := >smodel.Account{} - if domain == config.GetHost() { + if domain == config.GetHost() || domain == config.GetAccountDomain() || domain == "" { maybeAcct, err = p.db.GetLocalAccountByUsername(ctx, username) - if err != nil { + if err != nil && err != db.ErrNoEntries { return nil, fmt.Errorf("searchAccountByMention: error getting local account by username: %s", err) } return maybeAcct, nil @@ -191,22 +208,15 @@ func (p *processor) searchAccountByMention(ctx context.Context, authed *oauth.Au // we got a db.ErrNoEntries, so we just don't have the account locally stored -- check if we can dereference it if resolve { - // we're allowed to resolve it so let's try - // first we need to webfinger the remote account to convert the username and domain into the activitypub URI for the account - acctURI, err := p.federator.FingerRemoteAccount(ctx, authed.Account.Username, username, domain) + maybeAcct, err = p.federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: authed.Account.Username, + RemoteAccountUsername: username, + RemoteAccountHost: domain, + }) if err != nil { - // something went wrong doing the webfinger lookup so we can't process the request - return nil, fmt.Errorf("error fingering remote account with username %s and domain %s: %s", username, domain, err) - } - - if acctURI.Scheme == "https" || acctURI.Scheme == "http" { - acct, err := p.federator.GetRemoteAccount(ctx, authed.Account.Username, acctURI, true, true) - if err != nil { - logrus.Debugf("could not get remote account by mention %s with uri %s: %s", mention, acctURI, err) - return nil, err - } - return acct, nil + return nil, fmt.Errorf("searchAccountByMention: error getting remote account: %s", err) } + return maybeAcct, nil } return nil, nil diff --git a/internal/processing/status/status_test.go b/internal/processing/status/status_test.go index 17c68c0b6..f8834e2c2 100644 --- a/internal/processing/status/status_test.go +++ b/internal/processing/status/status_test.go @@ -80,7 +80,7 @@ func (suite *StatusStandardTestSuite) SetupTest() { suite.db = testrig.NewTestDB() suite.typeConverter = testrig.NewTestTypeConverter(suite.db) suite.clientWorker = concurrency.NewWorkerPool[messages.FromClientAPI](-1, -1) - suite.tc = testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil), suite.db, fedWorker) + suite.tc = testrig.NewTestTransportController(testrig.NewMockHTTPClient(nil, "../../../testrig/media"), suite.db, fedWorker) suite.storage = testrig.NewTestStorage() suite.mediaManager = testrig.NewTestMediaManager(suite.db, suite.storage) suite.federator = testrig.NewTestFederator(suite.db, suite.tc, suite.storage, suite.mediaManager, fedWorker) diff --git a/internal/processing/util.go b/internal/processing/util.go index 7ae7b8604..76d1187f9 100644 --- a/internal/processing/util.go +++ b/internal/processing/util.go @@ -21,12 +21,14 @@ import ( "context" "fmt" - "strings" + "github.com/superseriousbusiness/gotosocial/internal/config" "github.com/superseriousbusiness/gotosocial/internal/db" "github.com/superseriousbusiness/gotosocial/internal/federation" + "github.com/superseriousbusiness/gotosocial/internal/federation/dereferencing" "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" "github.com/superseriousbusiness/gotosocial/internal/id" + "github.com/superseriousbusiness/gotosocial/internal/util" ) func GetParseMentionFunc(dbConn db.DB, federator federation.Federator) gtsmodel.ParseMentionFunc { @@ -37,98 +39,35 @@ func GetParseMentionFunc(dbConn db.DB, federator federation.Federator) gtsmodel. return nil, fmt.Errorf("couldn't get mention origin account with id %s", originAccountID) } - // A mentioned account looks like "@test@example.org" or just "@test" for a local account - // -- we can guarantee this from the regex that targetAccounts should have been derived from. - // But we still need to do a bit of fiddling to get what we need here -- the username and domain (if given). - - // 1. trim off the first @ - trimmed := strings.TrimPrefix(targetAccount, "@") - - // 2. split the username and domain - split := strings.Split(trimmed, "@") - - // 3. if it's length 1 it's a local account, length 2 means remote, anything else means something is wrong - - var local bool - switch len(split) { - case 1: - local = true - case 2: - local = false - default: - return nil, fmt.Errorf("mentioned account format '%s' was not valid", targetAccount) - } - - var username, domain string - username = split[0] - if !local { - domain = split[1] - } - - // 4. check we now have a proper username and domain - if username == "" || (!local && domain == "") { - return nil, fmt.Errorf("username or domain for '%s' was nil", targetAccount) + username, domain, err := util.ExtractNamestringParts(targetAccount) + if err != nil { + return nil, fmt.Errorf("couldn't extract namestring parts from %s: %s", targetAccount, err) } var mentionedAccount *gtsmodel.Account - - if local { + if domain == "" || domain == config.GetHost() || domain == config.GetAccountDomain() { localAccount, err := dbConn.GetLocalAccountByUsername(ctx, username) if err != nil { return nil, err } mentionedAccount = localAccount } else { - remoteAccount := >smodel.Account{} - - where := []db.Where{ - { - Key: "username", - Value: username, - CaseInsensitive: true, - }, - { - Key: "domain", - Value: domain, - CaseInsensitive: true, - }, + var requestingUsername string + if originAccount.Domain == "" { + requestingUsername = originAccount.Username + } + remoteAccount, err := federator.GetRemoteAccount(ctx, dereferencing.GetRemoteAccountParams{ + RequestingUsername: requestingUsername, + RemoteAccountUsername: username, + RemoteAccountHost: domain, + }) + if err != nil { + return nil, fmt.Errorf("error dereferencing account: %s", err) } - err := dbConn.GetWhere(ctx, where, remoteAccount) - if err == nil { - // the account was already in the database - mentionedAccount = remoteAccount - } else { - // we couldn't get it from the database - if err != db.ErrNoEntries { - // a serious error has happened so bail - return nil, fmt.Errorf("error getting account with username '%s' and domain '%s': %s", username, domain, err) - } + // we were able to resolve it! + mentionedAccount = remoteAccount - // We just don't have the account, so try webfingering it. - // - // If the mention originates from our instance we should use the username of the origin account to do the dereferencing, - // otherwise we should just use our instance account (that is, provide an empty string), since obviously we can't use - // a remote account to do remote dereferencing! - var fingeringUsername string - if originAccount.Domain == "" { - fingeringUsername = originAccount.Username - } - - acctURI, err := federator.FingerRemoteAccount(ctx, fingeringUsername, username, domain) - if err != nil { - // something went wrong doing the webfinger lookup so we can't process the request - return nil, fmt.Errorf("error fingering remote account with username %s and domain %s: %s", username, domain, err) - } - - resolvedAccount, err := federator.GetRemoteAccount(ctx, fingeringUsername, acctURI, true, true) - if err != nil { - return nil, fmt.Errorf("error dereferencing account with uri %s: %s", acctURI.String(), err) - } - - // we were able to resolve it! - mentionedAccount = resolvedAccount - } } mentionID, err := id.NewRandomULID() diff --git a/internal/regexes/regexes.go b/internal/regexes/regexes.go index f05f9b391..58635b6b4 100644 --- a/internal/regexes/regexes.go +++ b/internal/regexes/regexes.go @@ -61,7 +61,7 @@ return rgx }() - mentionName = `^@(\w+)(?:@([a-zA-Z0-9_\-\.:]+))?$` + mentionName = `^@([\w\-\.]+)(?:@([\w\-\.:]+))?$` // MentionName captures the username and domain part from a mention string // such as @whatever_user@example.org, returning whatever_user and example.org (without the @ symbols) MentionName = regexp.MustCompile(mentionName) diff --git a/internal/transport/derefinstance.go b/internal/transport/derefinstance.go index b99d28a23..35b088b88 100644 --- a/internal/transport/derefinstance.go +++ b/internal/transport/derefinstance.go @@ -206,7 +206,7 @@ func dereferenceByNodeInfo(c context.Context, t *transport, iri *url.URL) (*gtsm // see if there's a 'name' in the map if name, present := v["name"]; present { // name could be just a username, or could be a mention string eg @whatever@aaaa.com - username, _, err := util.ExtractMentionParts(name) + username, _, err := util.ExtractNamestringParts(name) if err == nil { // it was a mention string contactAccountUsername = username diff --git a/internal/typeutils/astointernal.go b/internal/typeutils/astointernal.go index d0c0e51fa..d50310ff8 100644 --- a/internal/typeutils/astointernal.go +++ b/internal/typeutils/astointernal.go @@ -30,7 +30,7 @@ "github.com/superseriousbusiness/gotosocial/internal/gtsmodel" ) -func (c *converter) ASRepresentationToAccount(ctx context.Context, accountable ap.Accountable, update bool) (*gtsmodel.Account, error) { +func (c *converter) ASRepresentationToAccount(ctx context.Context, accountable ap.Accountable, accountDomain string, update bool) (*gtsmodel.Account, error) { // first check if we actually already know this account uriProp := accountable.GetJSONLDId() if uriProp == nil || !uriProp.IsIRI() { @@ -63,7 +63,11 @@ func (c *converter) ASRepresentationToAccount(ctx context.Context, accountable a acct.Username = username // Domain - acct.Domain = uri.Host + if accountDomain != "" { + acct.Domain = accountDomain + } else { + acct.Domain = uri.Host + } // avatar aka icon // if this one isn't extractable in a format we recognise we'll just skip it diff --git a/internal/typeutils/astointernal_test.go b/internal/typeutils/astointernal_test.go index 25fe0884a..dbd852d3f 100644 --- a/internal/typeutils/astointernal_test.go +++ b/internal/typeutils/astointernal_test.go @@ -38,7 +38,7 @@ type ASToInternalTestSuite struct { func (suite *ASToInternalTestSuite) TestParsePerson() { testPerson := suite.testPeople["https://unknown-instance.com/users/brand_new_person"] - acct, err := suite.typeconverter.ASRepresentationToAccount(context.Background(), testPerson, false) + acct, err := suite.typeconverter.ASRepresentationToAccount(context.Background(), testPerson, "", false) suite.NoError(err) suite.Equal("https://unknown-instance.com/users/brand_new_person", acct.URI) @@ -106,7 +106,7 @@ func (suite *ASToInternalTestSuite) TestParseGargron() { rep, ok := t.(ap.Accountable) suite.True(ok) - acct, err := suite.typeconverter.ASRepresentationToAccount(context.Background(), rep, false) + acct, err := suite.typeconverter.ASRepresentationToAccount(context.Background(), rep, "", false) suite.NoError(err) fmt.Printf("%+v", acct) @@ -168,7 +168,7 @@ func (suite *ASToInternalTestSuite) TestParseOwncastService() { rep, ok := t.(ap.Accountable) suite.True(ok) - acct, err := suite.typeconverter.ASRepresentationToAccount(context.Background(), rep, false) + acct, err := suite.typeconverter.ASRepresentationToAccount(context.Background(), rep, "", false) suite.NoError(err) suite.Equal("rgh", acct.Username) diff --git a/internal/typeutils/converter.go b/internal/typeutils/converter.go index cf1a9d487..b2f12a592 100644 --- a/internal/typeutils/converter.go +++ b/internal/typeutils/converter.go @@ -99,7 +99,10 @@ type TypeConverter interface { // If update is false, and the account is already known in the database, then the existing account entry will be returned. // If update is true, then even if the account is already known, all fields in the accountable will be parsed and a new *gtsmodel.Account // will be generated. This is useful when one needs to force refresh of an account, eg., during an Update of a Profile. - ASRepresentationToAccount(ctx context.Context, accountable ap.Accountable, update bool) (*gtsmodel.Account, error) + // + // If accountDomain is set (not an empty string) then this value will be used as the account's Domain. If not set, + // then the Host of the accountable's AP ID will be used instead. + ASRepresentationToAccount(ctx context.Context, accountable ap.Accountable, accountDomain string, update bool) (*gtsmodel.Account, error) // ASStatus converts a remote activitystreams 'status' representation into a gts model status. ASStatusToStatus(ctx context.Context, statusable ap.Statusable) (*gtsmodel.Status, error) // ASFollowToFollowRequest converts a remote activitystreams `follow` representation into gts model follow request. diff --git a/internal/util/namestring.go b/internal/util/namestring.go new file mode 100644 index 000000000..611a1c0eb --- /dev/null +++ b/internal/util/namestring.go @@ -0,0 +1,59 @@ +/* + GoToSocial + Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . +*/ + +package util + +import ( + "fmt" + "strings" + + "github.com/superseriousbusiness/gotosocial/internal/regexes" +) + +// ExtractNamestringParts extracts the username test_user and +// the domain example.org from a string like @test_user@example.org. +// +// If nothing is matched, it will return an error. +func ExtractNamestringParts(mention string) (username, host string, err error) { + matches := regexes.MentionName.FindStringSubmatch(mention) + switch len(matches) { + case 2: + return matches[1], "", nil + case 3: + return matches[1], matches[2], nil + default: + return "", "", fmt.Errorf("couldn't match mention %s", mention) + } +} + +// ExtractWebfingerParts returns username test_user and +// domain example.org from a string like acct:test_user@example.org, +// or acct:@test_user@example.org. +// +// If nothing is extracted, it will return an error. +func ExtractWebfingerParts(webfinger string) (username, host string, err error) { + // remove the acct: prefix if it's present + webfinger = strings.TrimPrefix(webfinger, "acct:") + + // prepend an @ if necessary + if webfinger[0] != '@' { + webfinger = "@" + webfinger + } + + return ExtractNamestringParts(webfinger) +} diff --git a/internal/util/namestring_test.go b/internal/util/namestring_test.go new file mode 100644 index 000000000..4561a5233 --- /dev/null +++ b/internal/util/namestring_test.go @@ -0,0 +1,118 @@ +/* + GoToSocial + Copyright (C) 2021-2022 GoToSocial Authors admin@gotosocial.org + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . +*/ + +package util_test + +import ( + "testing" + + "github.com/stretchr/testify/suite" + "github.com/superseriousbusiness/gotosocial/internal/util" +) + +type NamestringSuite struct { + suite.Suite +} + +func (suite *NamestringSuite) TestExtractWebfingerParts1() { + webfinger := "acct:stonerkitty.monster@stonerkitty.monster" + username, host, err := util.ExtractWebfingerParts(webfinger) + suite.NoError(err) + + suite.Equal("stonerkitty.monster", username) + suite.Equal("stonerkitty.monster", host) +} + +func (suite *NamestringSuite) TestExtractWebfingerParts2() { + webfinger := "@stonerkitty.monster@stonerkitty.monster" + username, host, err := util.ExtractWebfingerParts(webfinger) + suite.NoError(err) + + suite.Equal("stonerkitty.monster", username) + suite.Equal("stonerkitty.monster", host) +} + +func (suite *NamestringSuite) TestExtractWebfingerParts3() { + webfinger := "acct:someone@somewhere" + username, host, err := util.ExtractWebfingerParts(webfinger) + suite.NoError(err) + + suite.Equal("someone", username) + suite.Equal("somewhere", host) +} + +func (suite *NamestringSuite) TestExtractWebfingerParts4() { + webfinger := "@stoner-kitty.monster@stonerkitty.monster" + username, host, err := util.ExtractWebfingerParts(webfinger) + suite.NoError(err) + + suite.Equal("stoner-kitty.monster", username) + suite.Equal("stonerkitty.monster", host) +} + +func (suite *NamestringSuite) TestExtractWebfingerParts5() { + webfinger := "@stonerkitty.monster" + username, host, err := util.ExtractWebfingerParts(webfinger) + suite.NoError(err) + + suite.Equal("stonerkitty.monster", username) + suite.Empty(host) +} + +func (suite *NamestringSuite) TestExtractWebfingerParts6() { + webfinger := "@@stonerkitty.monster" + _, _, err := util.ExtractWebfingerParts(webfinger) + suite.EqualError(err, "couldn't match mention @@stonerkitty.monster") +} + +func (suite *NamestringSuite) TestExtractNamestringParts1() { + namestring := "@stonerkitty.monster@stonerkitty.monster" + username, host, err := util.ExtractNamestringParts(namestring) + suite.NoError(err) + + suite.Equal("stonerkitty.monster", username) + suite.Equal("stonerkitty.monster", host) +} + +func (suite *NamestringSuite) TestExtractNamestringParts2() { + namestring := "@stonerkitty.monster" + username, host, err := util.ExtractNamestringParts(namestring) + suite.NoError(err) + + suite.Equal("stonerkitty.monster", username) + suite.Empty(host) +} + +func (suite *NamestringSuite) TestExtractNamestringParts3() { + namestring := "@someone@somewhere" + username, host, err := util.ExtractWebfingerParts(namestring) + suite.NoError(err) + + suite.Equal("someone", username) + suite.Equal("somewhere", host) +} + +func (suite *NamestringSuite) TestExtractNamestringParts4() { + namestring := "" + _, _, err := util.ExtractNamestringParts(namestring) + suite.EqualError(err, "couldn't match mention ") +} + +func TestNamestringSuite(t *testing.T) { + suite.Run(t, &NamestringSuite{}) +} diff --git a/internal/util/statustools.go b/internal/util/statustools.go index 08032a8f4..b2b7fffa1 100644 --- a/internal/util/statustools.go +++ b/internal/util/statustools.go @@ -19,7 +19,6 @@ package util import ( - "fmt" "strings" "github.com/superseriousbusiness/gotosocial/internal/regexes" @@ -59,19 +58,3 @@ func DeriveEmojisFromText(text string) []string { } return UniqueStrings(emojis) } - -// ExtractMentionParts extracts the username test_user and the domain example.org -// from a mention string like @test_user@example.org. -// -// If nothing is matched, it will return an error. -func ExtractMentionParts(mention string) (username, domain string, err error) { - matches := regexes.MentionName.FindStringSubmatch(mention) - switch len(matches) { - case 2: - return matches[1], "", nil - case 3: - return matches[1], matches[2], nil - default: - return "", "", fmt.Errorf("couldn't match mention %s", mention) - } -} diff --git a/testrig/testmodels.go b/testrig/testmodels.go index b74ada751..c7f6f84c8 100644 --- a/testrig/testmodels.go +++ b/testrig/testmodels.go @@ -1909,6 +1909,25 @@ func NewTestFediAttachments(relativePath string) map[string]RemoteAttachmentFile func NewTestFediStatuses() map[string]vocab.ActivityStreamsNote { return map[string]vocab.ActivityStreamsNote{ + "http://example.org/users/some_user/statuses/afaba698-5740-4e32-a702-af61aa543bc1": NewAPNote( + URLMustParse("http://example.org/users/some_user/statuses/afaba698-5740-4e32-a702-af61aa543bc1"), + URLMustParse("http://example.org/@some_user/afaba698-5740-4e32-a702-af61aa543bc1"), + time.Now(), + "this is a public status, please forward it!", + "", + URLMustParse("http://example.org/users/some_user"), + []*url.URL{URLMustParse(pub.PublicActivityPubIRI)}, + nil, + false, + []vocab.ActivityStreamsMention{}, + []vocab.ActivityStreamsImage{ + newAPImage( + URLMustParse("http://example.org/users/some_user/statuses/afaba698-5740-4e32-a702-af61aa543bc1/attachment1.jpeg"), + "image/jpeg", + "trent reznor looking handsome as balls", + "LEDara58O=t5EMSOENEN9]}?aK%0"), + }, + ), "https://unknown-instance.com/users/brand_new_person/statuses/01FE4NTHKWW7THT67EF10EB839": NewAPNote( URLMustParse("https://unknown-instance.com/users/brand_new_person/statuses/01FE4NTHKWW7THT67EF10EB839"), URLMustParse("https://unknown-instance.com/users/@brand_new_person/01FE4NTHKWW7THT67EF10EB839"), diff --git a/testrig/transportcontroller.go b/testrig/transportcontroller.go index 7f4c7f890..48463c1df 100644 --- a/testrig/transportcontroller.go +++ b/testrig/transportcontroller.go @@ -20,10 +20,16 @@ import ( "bytes" - "io/ioutil" + "encoding/json" + "io" "net/http" + "strings" + "github.com/sirupsen/logrus" "github.com/superseriousbusiness/activity/pub" + "github.com/superseriousbusiness/activity/streams" + "github.com/superseriousbusiness/activity/streams/vocab" + apimodel "github.com/superseriousbusiness/gotosocial/internal/api/model" "github.com/superseriousbusiness/gotosocial/internal/concurrency" "github.com/superseriousbusiness/gotosocial/internal/db" "github.com/superseriousbusiness/gotosocial/internal/federation" @@ -31,6 +37,9 @@ "github.com/superseriousbusiness/gotosocial/internal/transport" ) +const applicationJSON = "application/json" +const applicationActivityJSON = "application/activity+json" + // NewTestTransportController returns a test transport controller with the given http client. // // Obviously for testing purposes you should not be making actual http calls to other servers. @@ -44,33 +53,232 @@ func NewTestTransportController(client pub.HttpClient, db db.DB, fedWorker *conc return transport.NewController(db, NewTestFederatingDB(db, fedWorker), &federation.Clock{}, client) } -// NewMockHTTPClient returns a client that conforms to the pub.HttpClient interface, -// but will always just execute the given `do` function, allowing responses to be mocked. +type MockHTTPClient struct { + do func(req *http.Request) (*http.Response, error) + + testRemoteStatuses map[string]vocab.ActivityStreamsNote + testRemotePeople map[string]vocab.ActivityStreamsPerson + testRemoteGroups map[string]vocab.ActivityStreamsGroup + testRemoteServices map[string]vocab.ActivityStreamsService + testRemoteAttachments map[string]RemoteAttachmentFile + + SentMessages map[string][]byte +} + +// NewMockHTTPClient returns a client that conforms to the pub.HttpClient interface. // -// If 'do' is nil, then a no-op function will be used instead, that just returns status 200. +// If do is nil, then a standard response set will be mocked out, which includes models stored in the +// testrig, and webfinger responses as well. +// +// If do is not nil, then the given do function will always be used, which allows callers +// to customize how the client is mocked. // // Note that you should never ever make ACTUAL http calls with this thing. -func NewMockHTTPClient(do func(req *http.Request) (*http.Response, error)) pub.HttpClient { - if do == nil { - return &mockHTTPClient{ - do: func(req *http.Request) (*http.Response, error) { - r := ioutil.NopCloser(bytes.NewReader([]byte{})) - return &http.Response{ - StatusCode: 200, - Body: r, - }, nil +func NewMockHTTPClient(do func(req *http.Request) (*http.Response, error), relativeMediaPath string) *MockHTTPClient { + mockHTTPClient := &MockHTTPClient{} + + if do != nil { + mockHTTPClient.do = do + return mockHTTPClient + } + + mockHTTPClient.testRemoteStatuses = NewTestFediStatuses() + mockHTTPClient.testRemotePeople = NewTestFediPeople() + mockHTTPClient.testRemoteGroups = NewTestFediGroups() + mockHTTPClient.testRemoteServices = NewTestFediServices() + mockHTTPClient.testRemoteAttachments = NewTestFediAttachments(relativeMediaPath) + + mockHTTPClient.SentMessages = make(map[string][]byte) + + mockHTTPClient.do = func(req *http.Request) (*http.Response, error) { + responseCode := http.StatusNotFound + responseBytes := []byte(`{"error":"404 not found"}`) + responseContentType := applicationJSON + responseContentLength := len(responseBytes) + + if req.Method == http.MethodPost { + b, err := io.ReadAll(req.Body) + if err != nil { + panic(err) + } + mockHTTPClient.SentMessages[req.URL.String()] = b + + responseCode = http.StatusOK + responseBytes = []byte(`{"ok":"accepted"}`) + responseContentType = applicationJSON + responseContentLength = len(responseBytes) + } else if strings.Contains(req.URL.String(), ".well-known/webfinger") { + responseCode, responseBytes, responseContentType, responseContentLength = WebfingerResponse(req) + } else if note, ok := mockHTTPClient.testRemoteStatuses[req.URL.String()]; ok { + // the request is for a note that we have stored + noteI, err := streams.Serialize(note) + if err != nil { + panic(err) + } + noteJSON, err := json.Marshal(noteI) + if err != nil { + panic(err) + } + responseCode = http.StatusOK + responseBytes = noteJSON + responseContentType = applicationActivityJSON + responseContentLength = len(noteJSON) + } else if person, ok := mockHTTPClient.testRemotePeople[req.URL.String()]; ok { + // the request is for a person that we have stored + personI, err := streams.Serialize(person) + if err != nil { + panic(err) + } + personJSON, err := json.Marshal(personI) + if err != nil { + panic(err) + } + responseCode = http.StatusOK + responseBytes = personJSON + responseContentType = applicationActivityJSON + responseContentLength = len(personJSON) + } else if group, ok := mockHTTPClient.testRemoteGroups[req.URL.String()]; ok { + // the request is for a person that we have stored + groupI, err := streams.Serialize(group) + if err != nil { + panic(err) + } + groupJSON, err := json.Marshal(groupI) + if err != nil { + panic(err) + } + responseCode = http.StatusOK + responseBytes = groupJSON + responseContentType = applicationActivityJSON + responseContentLength = len(groupJSON) + } else if service, ok := mockHTTPClient.testRemoteServices[req.URL.String()]; ok { + serviceI, err := streams.Serialize(service) + if err != nil { + panic(err) + } + serviceJSON, err := json.Marshal(serviceI) + if err != nil { + panic(err) + } + responseCode = http.StatusOK + responseBytes = serviceJSON + responseContentType = applicationActivityJSON + responseContentLength = len(serviceJSON) + } else if attachment, ok := mockHTTPClient.testRemoteAttachments[req.URL.String()]; ok { + responseCode = http.StatusOK + responseBytes = attachment.Data + responseContentType = attachment.ContentType + responseContentLength = len(attachment.Data) + } + + logrus.Debugf("returning response %s", string(responseBytes)) + reader := bytes.NewReader(responseBytes) + readCloser := io.NopCloser(reader) + return &http.Response{ + StatusCode: responseCode, + Body: readCloser, + ContentLength: int64(responseContentLength), + Header: http.Header{ + "content-type": {responseContentType}, + }, + }, nil + } + + return mockHTTPClient +} + +func (m *MockHTTPClient) Do(req *http.Request) (*http.Response, error) { + return m.do(req) +} + +func WebfingerResponse(req *http.Request) (responseCode int, responseBytes []byte, responseContentType string, responseContentLength int) { + var wfr *apimodel.WellKnownResponse + + switch req.URL.String() { + case "https://unknown-instance.com/.well-known/webfinger?resource=acct:some_group@unknown-instance.com": + wfr = &apimodel.WellKnownResponse{ + Subject: "acct:some_group@unknown-instance.com", + Links: []apimodel.Link{ + { + Rel: "self", + Type: applicationActivityJSON, + Href: "https://unknown-instance.com/groups/some_group", + }, + }, + } + case "https://owncast.example.org/.well-known/webfinger?resource=acct:rgh@owncast.example.org": + wfr = &apimodel.WellKnownResponse{ + Subject: "acct:rgh@example.org", + Links: []apimodel.Link{ + { + Rel: "self", + Type: applicationActivityJSON, + Href: "https://owncast.example.org/federation/user/rgh", + }, + }, + } + case "https://unknown-instance.com/.well-known/webfinger?resource=acct:brand_new_person@unknown-instance.com": + wfr = &apimodel.WellKnownResponse{ + Subject: "acct:brand_new_person@unknown-instance.com", + Links: []apimodel.Link{ + { + Rel: "self", + Type: applicationActivityJSON, + Href: "https://unknown-instance.com/users/brand_new_person", + }, + }, + } + case "https://turnip.farm/.well-known/webfinger?resource=acct:turniplover6969@turnip.farm": + wfr = &apimodel.WellKnownResponse{ + Subject: "acct:turniplover6969@turnip.farm", + Links: []apimodel.Link{ + { + Rel: "self", + Type: applicationActivityJSON, + Href: "https://turnip.farm/users/turniplover6969", + }, + }, + } + case "https://fossbros-anonymous.io/.well-known/webfinger?resource=acct:foss_satan@fossbros-anonymous.io": + wfr = &apimodel.WellKnownResponse{ + Subject: "acct:foss_satan@fossbros-anonymous.io", + Links: []apimodel.Link{ + { + Rel: "self", + Type: applicationActivityJSON, + Href: "https://fossbros-anonymous.io/users/foss_satan", + }, + }, + } + case "https://example.org/.well-known/webfinger?resource=acct:some_user@example.org": + wfr = &apimodel.WellKnownResponse{ + Subject: "acct:some_user@example.org", + Links: []apimodel.Link{ + { + Rel: "self", + Type: applicationActivityJSON, + Href: "https://example.org/users/some_user", + }, }, } } - return &mockHTTPClient{ - do: do, + + if wfr == nil { + logrus.Debugf("webfinger response not available for %s", req.URL) + responseCode = http.StatusNotFound + responseBytes = []byte(`{"error":"not found"}`) + responseContentType = applicationJSON + responseContentLength = len(responseBytes) + return } -} -type mockHTTPClient struct { - do func(req *http.Request) (*http.Response, error) -} - -func (m *mockHTTPClient) Do(req *http.Request) (*http.Response, error) { - return m.do(req) + wfrJSON, err := json.Marshal(wfr) + if err != nil { + panic(err) + } + responseCode = http.StatusOK + responseBytes = wfrJSON + responseContentType = applicationJSON + responseContentLength = len(wfrJSON) + return } From cf5c6d724d381a867a7ff5d82fb9432e26c395e8 Mon Sep 17 00:00:00 2001 From: tobi <31960611+tsmethurst@users.noreply.github.com> Date: Sat, 11 Jun 2022 11:09:31 +0200 Subject: [PATCH 2/2] [chore] Validate/set account domain (#619) * add miekg/dns dependency * set/validate accountDomain --- README.md | 1 + go.mod | 1 + go.sum | 10 + internal/config/validate.go | 16 +- internal/config/validate_test.go | 48 + vendor/github.com/miekg/dns/.codecov.yml | 8 + vendor/github.com/miekg/dns/.gitignore | 4 + vendor/github.com/miekg/dns/AUTHORS | 1 + vendor/github.com/miekg/dns/CODEOWNERS | 1 + vendor/github.com/miekg/dns/CONTRIBUTORS | 10 + vendor/github.com/miekg/dns/COPYRIGHT | 9 + vendor/github.com/miekg/dns/LICENSE | 30 + vendor/github.com/miekg/dns/Makefile.fuzz | 33 + vendor/github.com/miekg/dns/Makefile.release | 52 + vendor/github.com/miekg/dns/README.md | 186 ++ vendor/github.com/miekg/dns/acceptfunc.go | 62 + vendor/github.com/miekg/dns/client.go | 484 +++ vendor/github.com/miekg/dns/clientconfig.go | 135 + vendor/github.com/miekg/dns/dane.go | 43 + vendor/github.com/miekg/dns/defaults.go | 381 +++ vendor/github.com/miekg/dns/dns.go | 158 + vendor/github.com/miekg/dns/dnssec.go | 749 +++++ vendor/github.com/miekg/dns/dnssec_keygen.go | 139 + vendor/github.com/miekg/dns/dnssec_keyscan.go | 309 ++ vendor/github.com/miekg/dns/dnssec_privkey.go | 77 + vendor/github.com/miekg/dns/doc.go | 292 ++ vendor/github.com/miekg/dns/duplicate.go | 37 + vendor/github.com/miekg/dns/edns.go | 851 +++++ vendor/github.com/miekg/dns/format.go | 93 + vendor/github.com/miekg/dns/fuzz.go | 32 + vendor/github.com/miekg/dns/generate.go | 247 ++ vendor/github.com/miekg/dns/hash.go | 31 + vendor/github.com/miekg/dns/labels.go | 212 ++ .../miekg/dns/listen_no_reuseport.go | 23 + .../github.com/miekg/dns/listen_reuseport.go | 44 + vendor/github.com/miekg/dns/msg.go | 1202 +++++++ vendor/github.com/miekg/dns/msg_helpers.go | 812 +++++ vendor/github.com/miekg/dns/msg_truncate.go | 117 + vendor/github.com/miekg/dns/nsecx.go | 95 + vendor/github.com/miekg/dns/privaterr.go | 113 + vendor/github.com/miekg/dns/reverse.go | 52 + vendor/github.com/miekg/dns/sanitize.go | 86 + vendor/github.com/miekg/dns/scan.go | 1368 ++++++++ vendor/github.com/miekg/dns/scan_rr.go | 1778 ++++++++++ vendor/github.com/miekg/dns/serve_mux.go | 122 + vendor/github.com/miekg/dns/server.go | 836 +++++ vendor/github.com/miekg/dns/sig0.go | 194 ++ vendor/github.com/miekg/dns/singleinflight.go | 61 + vendor/github.com/miekg/dns/smimea.go | 44 + vendor/github.com/miekg/dns/svcb.go | 935 ++++++ vendor/github.com/miekg/dns/tlsa.go | 44 + vendor/github.com/miekg/dns/tools.go | 9 + vendor/github.com/miekg/dns/tsig.go | 456 +++ vendor/github.com/miekg/dns/types.go | 1559 +++++++++ vendor/github.com/miekg/dns/udp.go | 102 + vendor/github.com/miekg/dns/udp_windows.go | 35 + vendor/github.com/miekg/dns/update.go | 112 + vendor/github.com/miekg/dns/version.go | 15 + vendor/github.com/miekg/dns/xfr.go | 271 ++ vendor/github.com/miekg/dns/zduplicate.go | 1340 ++++++++ vendor/github.com/miekg/dns/zmsg.go | 2875 +++++++++++++++++ vendor/github.com/miekg/dns/ztypes.go | 952 ++++++ vendor/golang.org/x/net/bpf/asm.go | 41 + vendor/golang.org/x/net/bpf/constants.go | 222 ++ vendor/golang.org/x/net/bpf/doc.go | 80 + vendor/golang.org/x/net/bpf/instructions.go | 726 +++++ vendor/golang.org/x/net/bpf/setter.go | 10 + vendor/golang.org/x/net/bpf/vm.go | 150 + .../golang.org/x/net/bpf/vm_instructions.go | 182 ++ .../golang.org/x/net/internal/iana/const.go | 223 ++ .../x/net/internal/socket/cmsghdr.go | 12 + .../x/net/internal/socket/cmsghdr_bsd.go | 14 + .../internal/socket/cmsghdr_linux_32bit.go | 15 + .../internal/socket/cmsghdr_linux_64bit.go | 15 + .../internal/socket/cmsghdr_solaris_64bit.go | 14 + .../x/net/internal/socket/cmsghdr_stub.go | 28 + .../x/net/internal/socket/cmsghdr_unix.go | 22 + .../net/internal/socket/cmsghdr_zos_s390x.go | 11 + .../net/internal/socket/complete_dontwait.go | 26 + .../internal/socket/complete_nodontwait.go | 22 + .../golang.org/x/net/internal/socket/empty.s | 8 + .../x/net/internal/socket/error_unix.go | 32 + .../x/net/internal/socket/error_windows.go | 26 + .../x/net/internal/socket/iovec_32bit.go | 20 + .../x/net/internal/socket/iovec_64bit.go | 20 + .../internal/socket/iovec_solaris_64bit.go | 19 + .../x/net/internal/socket/iovec_stub.go | 12 + .../x/net/internal/socket/mmsghdr_stub.go | 22 + .../x/net/internal/socket/mmsghdr_unix.go | 180 ++ .../x/net/internal/socket/msghdr_bsd.go | 40 + .../x/net/internal/socket/msghdr_bsdvar.go | 17 + .../x/net/internal/socket/msghdr_linux.go | 39 + .../net/internal/socket/msghdr_linux_32bit.go | 25 + .../net/internal/socket/msghdr_linux_64bit.go | 25 + .../x/net/internal/socket/msghdr_openbsd.go | 14 + .../internal/socket/msghdr_solaris_64bit.go | 36 + .../x/net/internal/socket/msghdr_stub.go | 15 + .../x/net/internal/socket/msghdr_zos_s390x.go | 36 + .../x/net/internal/socket/norace.go | 13 + .../golang.org/x/net/internal/socket/race.go | 38 + .../x/net/internal/socket/rawconn.go | 91 + .../x/net/internal/socket/rawconn_mmsg.go | 54 + .../x/net/internal/socket/rawconn_msg.go | 74 + .../x/net/internal/socket/rawconn_nommsg.go | 16 + .../x/net/internal/socket/rawconn_nomsg.go | 16 + .../x/net/internal/socket/socket.go | 280 ++ .../golang.org/x/net/internal/socket/sys.go | 23 + .../x/net/internal/socket/sys_bsd.go | 16 + .../x/net/internal/socket/sys_const_unix.go | 21 + .../x/net/internal/socket/sys_linux.go | 23 + .../x/net/internal/socket/sys_linux_386.go | 28 + .../x/net/internal/socket/sys_linux_386.s | 11 + .../x/net/internal/socket/sys_linux_amd64.go | 10 + .../x/net/internal/socket/sys_linux_arm.go | 10 + .../x/net/internal/socket/sys_linux_arm64.go | 10 + .../net/internal/socket/sys_linux_loong64.go | 13 + .../x/net/internal/socket/sys_linux_mips.go | 10 + .../x/net/internal/socket/sys_linux_mips64.go | 10 + .../net/internal/socket/sys_linux_mips64le.go | 10 + .../x/net/internal/socket/sys_linux_mipsle.go | 10 + .../x/net/internal/socket/sys_linux_ppc.go | 10 + .../x/net/internal/socket/sys_linux_ppc64.go | 10 + .../net/internal/socket/sys_linux_ppc64le.go | 10 + .../net/internal/socket/sys_linux_riscv64.go | 13 + .../x/net/internal/socket/sys_linux_s390x.go | 28 + .../x/net/internal/socket/sys_linux_s390x.s | 11 + .../x/net/internal/socket/sys_netbsd.go | 25 + .../x/net/internal/socket/sys_posix.go | 185 ++ .../x/net/internal/socket/sys_stub.go | 53 + .../x/net/internal/socket/sys_unix.go | 43 + .../x/net/internal/socket/sys_windows.go | 54 + .../x/net/internal/socket/sys_zos_s390x.go | 38 + .../x/net/internal/socket/sys_zos_s390x.s | 11 + .../x/net/internal/socket/zsys_aix_ppc64.go | 40 + .../x/net/internal/socket/zsys_darwin_386.go | 30 + .../net/internal/socket/zsys_darwin_amd64.go | 32 + .../x/net/internal/socket/zsys_darwin_arm.go | 30 + .../net/internal/socket/zsys_darwin_arm64.go | 32 + .../internal/socket/zsys_dragonfly_amd64.go | 32 + .../x/net/internal/socket/zsys_freebsd_386.go | 30 + .../net/internal/socket/zsys_freebsd_amd64.go | 32 + .../x/net/internal/socket/zsys_freebsd_arm.go | 30 + .../net/internal/socket/zsys_freebsd_arm64.go | 32 + .../x/net/internal/socket/zsys_linux_386.go | 35 + .../x/net/internal/socket/zsys_linux_amd64.go | 38 + .../x/net/internal/socket/zsys_linux_arm.go | 35 + .../x/net/internal/socket/zsys_linux_arm64.go | 38 + .../net/internal/socket/zsys_linux_loong64.go | 40 + .../x/net/internal/socket/zsys_linux_mips.go | 35 + .../net/internal/socket/zsys_linux_mips64.go | 38 + .../internal/socket/zsys_linux_mips64le.go | 38 + .../net/internal/socket/zsys_linux_mipsle.go | 35 + .../x/net/internal/socket/zsys_linux_ppc.go | 35 + .../x/net/internal/socket/zsys_linux_ppc64.go | 38 + .../net/internal/socket/zsys_linux_ppc64le.go | 38 + .../net/internal/socket/zsys_linux_riscv64.go | 40 + .../x/net/internal/socket/zsys_linux_s390x.go | 38 + .../x/net/internal/socket/zsys_netbsd_386.go | 35 + .../net/internal/socket/zsys_netbsd_amd64.go | 38 + .../x/net/internal/socket/zsys_netbsd_arm.go | 35 + .../net/internal/socket/zsys_netbsd_arm64.go | 38 + .../x/net/internal/socket/zsys_openbsd_386.go | 30 + .../net/internal/socket/zsys_openbsd_amd64.go | 32 + .../x/net/internal/socket/zsys_openbsd_arm.go | 30 + .../net/internal/socket/zsys_openbsd_arm64.go | 32 + .../internal/socket/zsys_openbsd_mips64.go | 30 + .../net/internal/socket/zsys_solaris_amd64.go | 32 + .../x/net/internal/socket/zsys_zos_s390x.go | 28 + vendor/golang.org/x/net/ipv4/batch.go | 194 ++ vendor/golang.org/x/net/ipv4/control.go | 144 + vendor/golang.org/x/net/ipv4/control_bsd.go | 44 + .../golang.org/x/net/ipv4/control_pktinfo.go | 42 + vendor/golang.org/x/net/ipv4/control_stub.go | 14 + vendor/golang.org/x/net/ipv4/control_unix.go | 76 + .../golang.org/x/net/ipv4/control_windows.go | 12 + vendor/golang.org/x/net/ipv4/control_zos.go | 88 + vendor/golang.org/x/net/ipv4/dgramopt.go | 264 ++ vendor/golang.org/x/net/ipv4/doc.go | 240 ++ vendor/golang.org/x/net/ipv4/endpoint.go | 186 ++ vendor/golang.org/x/net/ipv4/genericopt.go | 55 + vendor/golang.org/x/net/ipv4/header.go | 172 + vendor/golang.org/x/net/ipv4/helper.go | 77 + vendor/golang.org/x/net/ipv4/iana.go | 38 + vendor/golang.org/x/net/ipv4/icmp.go | 57 + vendor/golang.org/x/net/ipv4/icmp_linux.go | 25 + vendor/golang.org/x/net/ipv4/icmp_stub.go | 26 + vendor/golang.org/x/net/ipv4/packet.go | 117 + vendor/golang.org/x/net/ipv4/payload.go | 23 + vendor/golang.org/x/net/ipv4/payload_cmsg.go | 85 + .../golang.org/x/net/ipv4/payload_nocmsg.go | 40 + vendor/golang.org/x/net/ipv4/sockopt.go | 44 + vendor/golang.org/x/net/ipv4/sockopt_posix.go | 72 + vendor/golang.org/x/net/ipv4/sockopt_stub.go | 43 + vendor/golang.org/x/net/ipv4/sys_aix.go | 44 + vendor/golang.org/x/net/ipv4/sys_asmreq.go | 123 + .../golang.org/x/net/ipv4/sys_asmreq_stub.go | 26 + vendor/golang.org/x/net/ipv4/sys_asmreqn.go | 45 + .../golang.org/x/net/ipv4/sys_asmreqn_stub.go | 22 + vendor/golang.org/x/net/ipv4/sys_bpf.go | 25 + vendor/golang.org/x/net/ipv4/sys_bpf_stub.go | 17 + vendor/golang.org/x/net/ipv4/sys_bsd.go | 42 + vendor/golang.org/x/net/ipv4/sys_darwin.go | 69 + vendor/golang.org/x/net/ipv4/sys_dragonfly.go | 39 + vendor/golang.org/x/net/ipv4/sys_freebsd.go | 80 + vendor/golang.org/x/net/ipv4/sys_linux.go | 61 + vendor/golang.org/x/net/ipv4/sys_solaris.go | 61 + vendor/golang.org/x/net/ipv4/sys_ssmreq.go | 53 + .../golang.org/x/net/ipv4/sys_ssmreq_stub.go | 22 + vendor/golang.org/x/net/ipv4/sys_stub.go | 14 + vendor/golang.org/x/net/ipv4/sys_windows.go | 44 + vendor/golang.org/x/net/ipv4/sys_zos.go | 57 + .../golang.org/x/net/ipv4/zsys_aix_ppc64.go | 17 + vendor/golang.org/x/net/ipv4/zsys_darwin.go | 59 + .../golang.org/x/net/ipv4/zsys_dragonfly.go | 13 + .../golang.org/x/net/ipv4/zsys_freebsd_386.go | 52 + .../x/net/ipv4/zsys_freebsd_amd64.go | 54 + .../golang.org/x/net/ipv4/zsys_freebsd_arm.go | 54 + .../x/net/ipv4/zsys_freebsd_arm64.go | 52 + .../golang.org/x/net/ipv4/zsys_linux_386.go | 72 + .../golang.org/x/net/ipv4/zsys_linux_amd64.go | 74 + .../golang.org/x/net/ipv4/zsys_linux_arm.go | 72 + .../golang.org/x/net/ipv4/zsys_linux_arm64.go | 74 + .../x/net/ipv4/zsys_linux_loong64.go | 77 + .../golang.org/x/net/ipv4/zsys_linux_mips.go | 72 + .../x/net/ipv4/zsys_linux_mips64.go | 74 + .../x/net/ipv4/zsys_linux_mips64le.go | 74 + .../x/net/ipv4/zsys_linux_mipsle.go | 72 + .../golang.org/x/net/ipv4/zsys_linux_ppc.go | 72 + .../golang.org/x/net/ipv4/zsys_linux_ppc64.go | 74 + .../x/net/ipv4/zsys_linux_ppc64le.go | 74 + .../x/net/ipv4/zsys_linux_riscv64.go | 77 + .../golang.org/x/net/ipv4/zsys_linux_s390x.go | 74 + vendor/golang.org/x/net/ipv4/zsys_netbsd.go | 13 + vendor/golang.org/x/net/ipv4/zsys_openbsd.go | 13 + vendor/golang.org/x/net/ipv4/zsys_solaris.go | 57 + .../golang.org/x/net/ipv4/zsys_zos_s390x.go | 56 + vendor/golang.org/x/net/ipv6/batch.go | 116 + vendor/golang.org/x/net/ipv6/control.go | 187 ++ .../x/net/ipv6/control_rfc2292_unix.go | 51 + .../x/net/ipv6/control_rfc3542_unix.go | 97 + vendor/golang.org/x/net/ipv6/control_stub.go | 14 + vendor/golang.org/x/net/ipv6/control_unix.go | 56 + .../golang.org/x/net/ipv6/control_windows.go | 12 + vendor/golang.org/x/net/ipv6/dgramopt.go | 301 ++ vendor/golang.org/x/net/ipv6/doc.go | 239 ++ vendor/golang.org/x/net/ipv6/endpoint.go | 127 + vendor/golang.org/x/net/ipv6/genericopt.go | 56 + vendor/golang.org/x/net/ipv6/header.go | 55 + vendor/golang.org/x/net/ipv6/helper.go | 58 + vendor/golang.org/x/net/ipv6/iana.go | 86 + vendor/golang.org/x/net/ipv6/icmp.go | 60 + vendor/golang.org/x/net/ipv6/icmp_bsd.go | 30 + vendor/golang.org/x/net/ipv6/icmp_linux.go | 27 + vendor/golang.org/x/net/ipv6/icmp_solaris.go | 27 + vendor/golang.org/x/net/ipv6/icmp_stub.go | 24 + vendor/golang.org/x/net/ipv6/icmp_windows.go | 22 + vendor/golang.org/x/net/ipv6/icmp_zos.go | 29 + vendor/golang.org/x/net/ipv6/payload.go | 23 + vendor/golang.org/x/net/ipv6/payload_cmsg.go | 71 + .../golang.org/x/net/ipv6/payload_nocmsg.go | 39 + vendor/golang.org/x/net/ipv6/sockopt.go | 43 + vendor/golang.org/x/net/ipv6/sockopt_posix.go | 90 + vendor/golang.org/x/net/ipv6/sockopt_stub.go | 47 + vendor/golang.org/x/net/ipv6/sys_aix.go | 80 + vendor/golang.org/x/net/ipv6/sys_asmreq.go | 25 + .../golang.org/x/net/ipv6/sys_asmreq_stub.go | 18 + vendor/golang.org/x/net/ipv6/sys_bpf.go | 25 + vendor/golang.org/x/net/ipv6/sys_bpf_stub.go | 17 + vendor/golang.org/x/net/ipv6/sys_bsd.go | 60 + vendor/golang.org/x/net/ipv6/sys_darwin.go | 80 + vendor/golang.org/x/net/ipv6/sys_freebsd.go | 94 + vendor/golang.org/x/net/ipv6/sys_linux.go | 76 + vendor/golang.org/x/net/ipv6/sys_solaris.go | 76 + vendor/golang.org/x/net/ipv6/sys_ssmreq.go | 55 + .../golang.org/x/net/ipv6/sys_ssmreq_stub.go | 22 + vendor/golang.org/x/net/ipv6/sys_stub.go | 14 + vendor/golang.org/x/net/ipv6/sys_windows.go | 68 + vendor/golang.org/x/net/ipv6/sys_zos.go | 72 + .../golang.org/x/net/ipv6/zsys_aix_ppc64.go | 69 + vendor/golang.org/x/net/ipv6/zsys_darwin.go | 64 + .../golang.org/x/net/ipv6/zsys_dragonfly.go | 42 + .../golang.org/x/net/ipv6/zsys_freebsd_386.go | 64 + .../x/net/ipv6/zsys_freebsd_amd64.go | 66 + .../golang.org/x/net/ipv6/zsys_freebsd_arm.go | 66 + .../x/net/ipv6/zsys_freebsd_arm64.go | 64 + .../golang.org/x/net/ipv6/zsys_linux_386.go | 72 + .../golang.org/x/net/ipv6/zsys_linux_amd64.go | 74 + .../golang.org/x/net/ipv6/zsys_linux_arm.go | 72 + .../golang.org/x/net/ipv6/zsys_linux_arm64.go | 74 + .../x/net/ipv6/zsys_linux_loong64.go | 77 + .../golang.org/x/net/ipv6/zsys_linux_mips.go | 72 + .../x/net/ipv6/zsys_linux_mips64.go | 74 + .../x/net/ipv6/zsys_linux_mips64le.go | 74 + .../x/net/ipv6/zsys_linux_mipsle.go | 72 + .../golang.org/x/net/ipv6/zsys_linux_ppc.go | 72 + .../golang.org/x/net/ipv6/zsys_linux_ppc64.go | 74 + .../x/net/ipv6/zsys_linux_ppc64le.go | 74 + .../x/net/ipv6/zsys_linux_riscv64.go | 77 + .../golang.org/x/net/ipv6/zsys_linux_s390x.go | 74 + vendor/golang.org/x/net/ipv6/zsys_netbsd.go | 42 + vendor/golang.org/x/net/ipv6/zsys_openbsd.go | 42 + vendor/golang.org/x/net/ipv6/zsys_solaris.go | 63 + .../golang.org/x/net/ipv6/zsys_zos_s390x.go | 62 + vendor/modules.txt | 8 + 304 files changed, 34218 insertions(+), 1 deletion(-) create mode 100644 vendor/github.com/miekg/dns/.codecov.yml create mode 100644 vendor/github.com/miekg/dns/.gitignore create mode 100644 vendor/github.com/miekg/dns/AUTHORS create mode 100644 vendor/github.com/miekg/dns/CODEOWNERS create mode 100644 vendor/github.com/miekg/dns/CONTRIBUTORS create mode 100644 vendor/github.com/miekg/dns/COPYRIGHT create mode 100644 vendor/github.com/miekg/dns/LICENSE create mode 100644 vendor/github.com/miekg/dns/Makefile.fuzz create 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vendor/golang.org/x/net/ipv6/zsys_linux_mips.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_linux_mips64.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_linux_mips64le.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_linux_mipsle.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_linux_ppc.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_linux_ppc64.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_linux_ppc64le.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_linux_riscv64.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_linux_s390x.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_netbsd.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_openbsd.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_solaris.go create mode 100644 vendor/golang.org/x/net/ipv6/zsys_zos_s390x.go diff --git a/README.md b/README.md index 801064839..b5ca41aa7 100644 --- a/README.md +++ b/README.md @@ -224,6 +224,7 @@ The following libraries and frameworks are used by GoToSocial, with gratitude - [jackc/pgx](https://github.com/jackc/pgx); Postgres driver. [MIT License](https://spdx.org/licenses/MIT.html). - [mcuadros/go-syslog](https://github.com/mcuadros/go-syslog); Syslog server library. [MIT License](https://spdx.org/licenses/MIT.html). - [microcosm-cc/bluemonday](https://github.com/microcosm-cc/bluemonday); HTML user-input sanitization. [BSD-3-Clause License](https://spdx.org/licenses/BSD-3-Clause.html). +- [miekg/dns](https://github.com/miekg/dns); DNS utilities. [Go License](https://go.dev/LICENSE). - [mitchellh/mapstructure](https://github.com/mitchellh/mapstructure); Go interface => struct parsing. [MIT License](https://spdx.org/licenses/MIT.html). - [modernc.org/sqlite](https://gitlab.com/cznic/sqlite); cgo-free port of SQLite. [Other License](https://gitlab.com/cznic/sqlite/-/blob/master/LICENSE). - [modernc.org/ccgo](https://gitlab.com/cznic/ccgo); c99 AST -> Go translater. [BSD-3-Clause License](https://spdx.org/licenses/BSD-3-Clause.html). diff --git a/go.mod b/go.mod index 451610f43..b374ade8f 100644 --- a/go.mod +++ b/go.mod @@ -94,6 +94,7 @@ require ( github.com/leodido/go-urn v1.2.1 // indirect github.com/magiconair/properties v1.8.6 // indirect github.com/mattn/go-isatty v0.0.14 // indirect + github.com/miekg/dns v1.1.49 // indirect github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect github.com/modern-go/reflect2 v1.0.2 // indirect github.com/pelletier/go-toml v1.9.5 // indirect diff --git a/go.sum b/go.sum index 1539eda55..83182261f 100644 --- a/go.sum +++ b/go.sum @@ -391,6 +391,8 @@ github.com/mattn/go-sqlite3 v1.14.12/go.mod h1:NyWgC/yNuGj7Q9rpYnZvas74GogHl5/Z4 github.com/mattn/go-sqlite3 v2.0.3+incompatible h1:gXHsfypPkaMZrKbD5209QV9jbUTJKjyR5WD3HYQSd+U= github.com/microcosm-cc/bluemonday v1.0.18 h1:6HcxvXDAi3ARt3slx6nTesbvorIc3QeTzBNRvWktHBo= github.com/microcosm-cc/bluemonday v1.0.18/go.mod h1:Z0r70sCuXHig8YpBzCc5eGHAap2K7e/u082ZUpDRRqM= +github.com/miekg/dns v1.1.49 h1:qe0mQU3Z/XpFeE+AEBo2rqaS1IPBJ3anmqZ4XiZJVG8= +github.com/miekg/dns v1.1.49/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME= github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY= github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo= github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= @@ -551,6 +553,7 @@ github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9de github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/yuin/goldmark v1.1.32/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74= +github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k= github.com/zeebo/assert v1.1.0/go.mod h1:Pq9JiuJQpG8JLJdtkwrJESF0Foym2/D9XMU5ciN/wJ0= github.com/zeebo/blake3 v0.2.1/go.mod h1:TSQ0KjMH+pht+bRyvVooJ1rBpvvngSGaPISafq9MxJk= github.com/zeebo/pcg v1.0.1/go.mod h1:09F0S9iiKrwn9rlI5yjLkmrug154/YRW6KnnXVDM/l4= @@ -622,6 +625,7 @@ golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.4.1/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= +golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4 h1:6zppjxzCulZykYSLyVDYbneBfbaBIQPYMevg0bEwv2s= golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4= golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -660,7 +664,9 @@ golang.org/x/net v0.0.0-20201031054903-ff519b6c9102/go.mod h1:sp8m0HH+o8qH0wwXwY golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= +golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM= golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= +golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= golang.org/x/net v0.0.0-20211112202133-69e39bad7dc2/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= golang.org/x/net v0.0.0-20220127200216-cd36cc0744dd/go.mod h1:CfG3xpIq0wQ8r1q4Su4UZFWDARRcnwPjda9FqA0JpMk= golang.org/x/net v0.0.0-20220524220425-1d687d428aca h1:xTaFYiPROfpPhqrfTIDXj0ri1SpfueYT951s4bAuDO8= @@ -687,6 +693,7 @@ golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJ golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sync v0.0.0-20201207232520-09787c993a3a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= +golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= @@ -732,8 +739,10 @@ golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7w golang.org/x/sys v0.0.0-20210104204734-6f8348627aad/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210119212857-b64e53b001e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210225134936-a50acf3fe073/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= golang.org/x/sys v0.0.0-20210423185535-09eb48e85fd7/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210510120138-977fb7262007/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= golang.org/x/sys v0.0.0-20210806184541-e5e7981a1069/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= @@ -812,6 +821,7 @@ golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4f golang.org/x/tools v0.0.0-20210105154028-b0ab187a4818/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= golang.org/x/tools v0.0.0-20210108195828-e2f9c7f1fc8e/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA= golang.org/x/tools v0.1.0/go.mod h1:xkSsbof2nBLbhDlRMhhhyNLN/zl3eTqcnHD5viDpcZ0= +golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk= golang.org/x/tools v0.1.10 h1:QjFRCZxdOhBJ/UNgnBZLbNV13DlbnK0quyivTnXJM20= golang.org/x/tools v0.1.10/go.mod h1:Uh6Zz+xoGYZom868N8YTex3t7RhtHDBrE8Gzo9bV56E= golang.org/x/xerrors v0.0.0-20190410155217-1f06c39b4373/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= diff --git a/internal/config/validate.go b/internal/config/validate.go index b9dab0f56..b2bdda960 100644 --- a/internal/config/validate.go +++ b/internal/config/validate.go @@ -23,6 +23,7 @@ "fmt" "strings" + "github.com/miekg/dns" "github.com/sirupsen/logrus" ) @@ -31,10 +32,23 @@ func Validate() error { errs := []error{} // host - if GetHost() == "" { + host := GetHost() + if host == "" { errs = append(errs, fmt.Errorf("%s must be set", HostFlag())) } + // accountDomain; only check if host was set, otherwise there's no point + if host != "" { + switch ad := GetAccountDomain(); ad { + case "": + SetAccountDomain(GetHost()) + default: + if !dns.IsSubDomain(ad, host) { + errs = append(errs, fmt.Errorf("%s was %s and %s was %s, but %s is not a valid subdomain of %s", HostFlag(), host, AccountDomainFlag(), ad, host, ad)) + } + } + } + // protocol switch proto := GetProtocol(); proto { case "https": diff --git a/internal/config/validate_test.go b/internal/config/validate_test.go index 066f1807b..6b832de36 100644 --- a/internal/config/validate_test.go +++ b/internal/config/validate_test.go @@ -46,6 +46,54 @@ func (suite *ConfigValidateTestSuite) TestValidateConfigNoHost() { suite.EqualError(err, "host must be set") } +func (suite *ConfigValidateTestSuite) TestValidateAccountDomainOK1() { + testrig.InitTestConfig() + + err := config.Validate() + suite.NoError(err) + + suite.Equal(config.GetHost(), config.GetAccountDomain()) +} + +func (suite *ConfigValidateTestSuite) TestValidateAccountDomainOK2() { + testrig.InitTestConfig() + + config.SetAccountDomain("localhost:8080") + + err := config.Validate() + suite.NoError(err) +} + +func (suite *ConfigValidateTestSuite) TestValidateAccountDomainOK3() { + testrig.InitTestConfig() + + config.SetHost("gts.example.org") + config.SetAccountDomain("example.org") + + err := config.Validate() + suite.NoError(err) +} + +func (suite *ConfigValidateTestSuite) TestValidateAccountDomainNotSubdomain1() { + testrig.InitTestConfig() + + config.SetHost("gts.example.org") + config.SetAccountDomain("example.com") + + err := config.Validate() + suite.EqualError(err, "host was gts.example.org and account-domain was example.com, but gts.example.org is not a valid subdomain of example.com") +} + +func (suite *ConfigValidateTestSuite) TestValidateAccountDomainNotSubdomain2() { + testrig.InitTestConfig() + + config.SetHost("example.org") + config.SetAccountDomain("gts.example.org") + + err := config.Validate() + suite.EqualError(err, "host was example.org and account-domain was gts.example.org, but example.org is not a valid subdomain of gts.example.org") +} + func (suite *ConfigValidateTestSuite) TestValidateConfigNoProtocol() { testrig.InitTestConfig() diff --git a/vendor/github.com/miekg/dns/.codecov.yml b/vendor/github.com/miekg/dns/.codecov.yml new file mode 100644 index 000000000..f91e5c1fe --- /dev/null +++ b/vendor/github.com/miekg/dns/.codecov.yml @@ -0,0 +1,8 @@ +coverage: + status: + project: + default: + target: 40% + threshold: null + patch: false + changes: false diff --git a/vendor/github.com/miekg/dns/.gitignore b/vendor/github.com/miekg/dns/.gitignore new file mode 100644 index 000000000..776cd950c --- /dev/null +++ b/vendor/github.com/miekg/dns/.gitignore @@ -0,0 +1,4 @@ +*.6 +tags +test.out +a.out diff --git a/vendor/github.com/miekg/dns/AUTHORS b/vendor/github.com/miekg/dns/AUTHORS new file mode 100644 index 000000000..196568352 --- /dev/null +++ b/vendor/github.com/miekg/dns/AUTHORS @@ -0,0 +1 @@ +Miek Gieben diff --git a/vendor/github.com/miekg/dns/CODEOWNERS b/vendor/github.com/miekg/dns/CODEOWNERS new file mode 100644 index 000000000..e0917031b --- /dev/null +++ b/vendor/github.com/miekg/dns/CODEOWNERS @@ -0,0 +1 @@ +* @miekg @tmthrgd diff --git a/vendor/github.com/miekg/dns/CONTRIBUTORS b/vendor/github.com/miekg/dns/CONTRIBUTORS new file mode 100644 index 000000000..5903779d8 --- /dev/null +++ b/vendor/github.com/miekg/dns/CONTRIBUTORS @@ -0,0 +1,10 @@ +Alex A. Skinner +Andrew Tunnell-Jones +Ask Bjørn Hansen +Dave Cheney +Dusty Wilson +Marek Majkowski +Peter van Dijk +Omri Bahumi +Alex Sergeyev +James Hartig diff --git a/vendor/github.com/miekg/dns/COPYRIGHT b/vendor/github.com/miekg/dns/COPYRIGHT new file mode 100644 index 000000000..35702b10e --- /dev/null +++ b/vendor/github.com/miekg/dns/COPYRIGHT @@ -0,0 +1,9 @@ +Copyright 2009 The Go Authors. All rights reserved. Use of this source code +is governed by a BSD-style license that can be found in the LICENSE file. +Extensions of the original work are copyright (c) 2011 Miek Gieben + +Copyright 2011 Miek Gieben. All rights reserved. Use of this source code is +governed by a BSD-style license that can be found in the LICENSE file. + +Copyright 2014 CloudFlare. All rights reserved. Use of this source code is +governed by a BSD-style license that can be found in the LICENSE file. diff --git a/vendor/github.com/miekg/dns/LICENSE b/vendor/github.com/miekg/dns/LICENSE new file mode 100644 index 000000000..55f12ab77 --- /dev/null +++ b/vendor/github.com/miekg/dns/LICENSE @@ -0,0 +1,30 @@ +Copyright (c) 2009 The Go Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +As this is fork of the official Go code the same license applies. +Extensions of the original work are copyright (c) 2011 Miek Gieben diff --git a/vendor/github.com/miekg/dns/Makefile.fuzz b/vendor/github.com/miekg/dns/Makefile.fuzz new file mode 100644 index 000000000..dc158c4ac --- /dev/null +++ b/vendor/github.com/miekg/dns/Makefile.fuzz @@ -0,0 +1,33 @@ +# Makefile for fuzzing +# +# Use go-fuzz and needs the tools installed. +# See https://blog.cloudflare.com/dns-parser-meet-go-fuzzer/ +# +# Installing go-fuzz: +# $ make -f Makefile.fuzz get +# Installs: +# * github.com/dvyukov/go-fuzz/go-fuzz +# * get github.com/dvyukov/go-fuzz/go-fuzz-build + +all: build + +.PHONY: build +build: + go-fuzz-build -tags fuzz github.com/miekg/dns + +.PHONY: build-newrr +build-newrr: + go-fuzz-build -func FuzzNewRR -tags fuzz github.com/miekg/dns + +.PHONY: fuzz +fuzz: + go-fuzz -bin=dns-fuzz.zip -workdir=fuzz + +.PHONY: get +get: + go get github.com/dvyukov/go-fuzz/go-fuzz + go get github.com/dvyukov/go-fuzz/go-fuzz-build + +.PHONY: clean +clean: + rm *-fuzz.zip diff --git a/vendor/github.com/miekg/dns/Makefile.release b/vendor/github.com/miekg/dns/Makefile.release new file mode 100644 index 000000000..a0ce9b712 --- /dev/null +++ b/vendor/github.com/miekg/dns/Makefile.release @@ -0,0 +1,52 @@ +# Makefile for releasing. +# +# The release is controlled from version.go. The version found there is +# used to tag the git repo, we're not building any artifacts so there is nothing +# to upload to github. +# +# * Up the version in version.go +# * Run: make -f Makefile.release release +# * will *commit* your change with 'Release $VERSION' +# * push to github +# + +define GO +//+build ignore + +package main + +import ( + "fmt" + + "github.com/miekg/dns" +) + +func main() { + fmt.Println(dns.Version.String()) +} +endef + +$(file > version_release.go,$(GO)) +VERSION:=$(shell go run version_release.go) +TAG="v$(VERSION)" + +all: + @echo Use the \'release\' target to start a release $(VERSION) + rm -f version_release.go + +.PHONY: release +release: commit push + @echo Released $(VERSION) + rm -f version_release.go + +.PHONY: commit +commit: + @echo Committing release $(VERSION) + git commit -am"Release $(VERSION)" + git tag $(TAG) + +.PHONY: push +push: + @echo Pushing release $(VERSION) to master + git push --tags + git push diff --git a/vendor/github.com/miekg/dns/README.md b/vendor/github.com/miekg/dns/README.md new file mode 100644 index 000000000..5a799d88f --- /dev/null +++ b/vendor/github.com/miekg/dns/README.md @@ -0,0 +1,186 @@ +[![Build Status](https://travis-ci.org/miekg/dns.svg?branch=master)](https://travis-ci.org/miekg/dns) +[![Code Coverage](https://img.shields.io/codecov/c/github/miekg/dns/master.svg)](https://codecov.io/github/miekg/dns?branch=master) +[![Go Report Card](https://goreportcard.com/badge/github.com/miekg/dns)](https://goreportcard.com/report/miekg/dns) +[![](https://godoc.org/github.com/miekg/dns?status.svg)](https://godoc.org/github.com/miekg/dns) + +# Alternative (more granular) approach to a DNS library + +> Less is more. + +Complete and usable DNS library. All Resource Records are supported, including the DNSSEC types. +It follows a lean and mean philosophy. If there is stuff you should know as a DNS programmer there +isn't a convenience function for it. Server side and client side programming is supported, i.e. you +can build servers and resolvers with it. + +We try to keep the "master" branch as sane as possible and at the bleeding edge of standards, +avoiding breaking changes wherever reasonable. We support the last two versions of Go. + +# Goals + +* KISS; +* Fast; +* Small API. If it's easy to code in Go, don't make a function for it. + +# Users + +A not-so-up-to-date-list-that-may-be-actually-current: + +* https://github.com/coredns/coredns +* https://github.com/abh/geodns +* https://github.com/baidu/bfe +* http://www.statdns.com/ +* http://www.dnsinspect.com/ +* https://github.com/chuangbo/jianbing-dictionary-dns +* http://www.dns-lg.com/ +* https://github.com/fcambus/rrda +* https://github.com/kenshinx/godns +* https://github.com/skynetservices/skydns +* https://github.com/hashicorp/consul +* https://github.com/DevelopersPL/godnsagent +* https://github.com/duedil-ltd/discodns +* https://github.com/StalkR/dns-reverse-proxy +* https://github.com/tianon/rawdns +* https://mesosphere.github.io/mesos-dns/ +* https://github.com/fcambus/statzone +* https://github.com/benschw/dns-clb-go +* https://github.com/corny/dnscheck for +* https://github.com/miekg/unbound +* https://github.com/miekg/exdns +* https://dnslookup.org +* https://github.com/looterz/grimd +* https://github.com/phamhongviet/serf-dns +* https://github.com/mehrdadrad/mylg +* https://github.com/bamarni/dockness +* https://github.com/fffaraz/microdns +* https://github.com/ipdcode/hades +* https://github.com/StackExchange/dnscontrol/ +* https://www.dnsperf.com/ +* https://dnssectest.net/ +* https://github.com/oif/apex +* https://github.com/jedisct1/dnscrypt-proxy +* https://github.com/jedisct1/rpdns +* https://github.com/xor-gate/sshfp +* https://github.com/rs/dnstrace +* https://blitiri.com.ar/p/dnss ([github mirror](https://github.com/albertito/dnss)) +* https://render.com +* https://github.com/peterzen/goresolver +* https://github.com/folbricht/routedns +* https://domainr.com/ +* https://zonedb.org/ +* https://router7.org/ +* https://github.com/fortio/dnsping +* https://github.com/Luzilla/dnsbl_exporter +* https://github.com/bodgit/tsig +* https://github.com/v2fly/v2ray-core (test only) +* https://kuma.io/ +* https://www.misaka.io/services/dns +* https://ping.sx/dig +* https://fleetdeck.io/ +* https://github.com/markdingo/autoreverse + + +Send pull request if you want to be listed here. + +# Features + +* UDP/TCP queries, IPv4 and IPv6 +* RFC 1035 zone file parsing ($INCLUDE, $ORIGIN, $TTL and $GENERATE (for all record types) are supported +* Fast +* Server side programming (mimicking the net/http package) +* Client side programming +* DNSSEC: signing, validating and key generation for DSA, RSA, ECDSA and Ed25519 +* EDNS0, NSID, Cookies +* AXFR/IXFR +* TSIG, SIG(0) +* DNS over TLS (DoT): encrypted connection between client and server over TCP +* DNS name compression + +Have fun! + +Miek Gieben - 2010-2012 - +DNS Authors 2012- + +# Building + +This library uses Go modules and uses semantic versioning. Building is done with the `go` tool, so +the following should work: + + go get github.com/miekg/dns + go build github.com/miekg/dns + +## Examples + +A short "how to use the API" is at the beginning of doc.go (this also will show when you call `godoc +github.com/miekg/dns`). + +Example programs can be found in the `github.com/miekg/exdns` repository. + +## Supported RFCs + +*all of them* + +* 103{4,5} - DNS standard +* 1348 - NSAP record (removed the record) +* 1982 - Serial Arithmetic +* 1876 - LOC record +* 1995 - IXFR +* 1996 - DNS notify +* 2136 - DNS Update (dynamic updates) +* 2181 - RRset definition - there is no RRset type though, just []RR +* 2537 - RSAMD5 DNS keys +* 2065 - DNSSEC (updated in later RFCs) +* 2671 - EDNS record +* 2782 - SRV record +* 2845 - TSIG record +* 2915 - NAPTR record +* 2929 - DNS IANA Considerations +* 3110 - RSASHA1 DNS keys +* 3123 - APL record +* 3225 - DO bit (DNSSEC OK) +* 340{1,2,3} - NAPTR record +* 3445 - Limiting the scope of (DNS)KEY +* 3597 - Unknown RRs +* 403{3,4,5} - DNSSEC + validation functions +* 4255 - SSHFP record +* 4343 - Case insensitivity +* 4408 - SPF record +* 4509 - SHA256 Hash in DS +* 4592 - Wildcards in the DNS +* 4635 - HMAC SHA TSIG +* 4701 - DHCID +* 4892 - id.server +* 5001 - NSID +* 5155 - NSEC3 record +* 5205 - HIP record +* 5702 - SHA2 in the DNS +* 5936 - AXFR +* 5966 - TCP implementation recommendations +* 6605 - ECDSA +* 6725 - IANA Registry Update +* 6742 - ILNP DNS +* 6840 - Clarifications and Implementation Notes for DNS Security +* 6844 - CAA record +* 6891 - EDNS0 update +* 6895 - DNS IANA considerations +* 6944 - DNSSEC DNSKEY Algorithm Status +* 6975 - Algorithm Understanding in DNSSEC +* 7043 - EUI48/EUI64 records +* 7314 - DNS (EDNS) EXPIRE Option +* 7477 - CSYNC RR +* 7828 - edns-tcp-keepalive EDNS0 Option +* 7553 - URI record +* 7858 - DNS over TLS: Initiation and Performance Considerations +* 7871 - EDNS0 Client Subnet +* 7873 - Domain Name System (DNS) Cookies +* 8080 - EdDSA for DNSSEC +* 8499 - DNS Terminology +* 8659 - DNS Certification Authority Authorization (CAA) Resource Record +* 8914 - Extended DNS Errors +* 8976 - Message Digest for DNS Zones (ZONEMD RR) + +## Loosely Based Upon + +* ldns - +* NSD - +* Net::DNS - +* GRONG - diff --git a/vendor/github.com/miekg/dns/acceptfunc.go b/vendor/github.com/miekg/dns/acceptfunc.go new file mode 100644 index 000000000..ac479db95 --- /dev/null +++ b/vendor/github.com/miekg/dns/acceptfunc.go @@ -0,0 +1,62 @@ +package dns + +// MsgAcceptFunc is used early in the server code to accept or reject a message with RcodeFormatError. +// It returns a MsgAcceptAction to indicate what should happen with the message. +type MsgAcceptFunc func(dh Header) MsgAcceptAction + +// DefaultMsgAcceptFunc checks the request and will reject if: +// +// * isn't a request (don't respond in that case) +// +// * opcode isn't OpcodeQuery or OpcodeNotify +// +// * Zero bit isn't zero +// +// * does not have exactly 1 question in the question section +// +// * has more than 1 RR in the Answer section +// +// * has more than 0 RRs in the Authority section +// +// * has more than 2 RRs in the Additional section +// +var DefaultMsgAcceptFunc MsgAcceptFunc = defaultMsgAcceptFunc + +// MsgAcceptAction represents the action to be taken. +type MsgAcceptAction int + +// Allowed returned values from a MsgAcceptFunc. +const ( + MsgAccept MsgAcceptAction = iota // Accept the message + MsgReject // Reject the message with a RcodeFormatError + MsgIgnore // Ignore the error and send nothing back. + MsgRejectNotImplemented // Reject the message with a RcodeNotImplemented +) + +func defaultMsgAcceptFunc(dh Header) MsgAcceptAction { + if isResponse := dh.Bits&_QR != 0; isResponse { + return MsgIgnore + } + + // Don't allow dynamic updates, because then the sections can contain a whole bunch of RRs. + opcode := int(dh.Bits>>11) & 0xF + if opcode != OpcodeQuery && opcode != OpcodeNotify { + return MsgRejectNotImplemented + } + + if dh.Qdcount != 1 { + return MsgReject + } + // NOTIFY requests can have a SOA in the ANSWER section. See RFC 1996 Section 3.7 and 3.11. + if dh.Ancount > 1 { + return MsgReject + } + // IXFR request could have one SOA RR in the NS section. See RFC 1995, section 3. + if dh.Nscount > 1 { + return MsgReject + } + if dh.Arcount > 2 { + return MsgReject + } + return MsgAccept +} diff --git a/vendor/github.com/miekg/dns/client.go b/vendor/github.com/miekg/dns/client.go new file mode 100644 index 000000000..31bf5759d --- /dev/null +++ b/vendor/github.com/miekg/dns/client.go @@ -0,0 +1,484 @@ +package dns + +// A client implementation. + +import ( + "context" + "crypto/tls" + "encoding/binary" + "fmt" + "io" + "net" + "strings" + "time" +) + +const ( + dnsTimeout time.Duration = 2 * time.Second + tcpIdleTimeout time.Duration = 8 * time.Second +) + +func isPacketConn(c net.Conn) bool { + if _, ok := c.(net.PacketConn); !ok { + return false + } + + if ua, ok := c.LocalAddr().(*net.UnixAddr); ok { + return ua.Net == "unixgram" + } + + return true +} + +// A Conn represents a connection to a DNS server. +type Conn struct { + net.Conn // a net.Conn holding the connection + UDPSize uint16 // minimum receive buffer for UDP messages + TsigSecret map[string]string // secret(s) for Tsig map[], zonename must be in canonical form (lowercase, fqdn, see RFC 4034 Section 6.2) + TsigProvider TsigProvider // An implementation of the TsigProvider interface. If defined it replaces TsigSecret and is used for all TSIG operations. + tsigRequestMAC string +} + +func (co *Conn) tsigProvider() TsigProvider { + if co.TsigProvider != nil { + return co.TsigProvider + } + // tsigSecretProvider will return ErrSecret if co.TsigSecret is nil. + return tsigSecretProvider(co.TsigSecret) +} + +// A Client defines parameters for a DNS client. +type Client struct { + Net string // if "tcp" or "tcp-tls" (DNS over TLS) a TCP query will be initiated, otherwise an UDP one (default is "" for UDP) + UDPSize uint16 // minimum receive buffer for UDP messages + TLSConfig *tls.Config // TLS connection configuration + Dialer *net.Dialer // a net.Dialer used to set local address, timeouts and more + // Timeout is a cumulative timeout for dial, write and read, defaults to 0 (disabled) - overrides DialTimeout, ReadTimeout, + // WriteTimeout when non-zero. Can be overridden with net.Dialer.Timeout (see Client.ExchangeWithDialer and + // Client.Dialer) or context.Context.Deadline (see ExchangeContext) + Timeout time.Duration + DialTimeout time.Duration // net.DialTimeout, defaults to 2 seconds, or net.Dialer.Timeout if expiring earlier - overridden by Timeout when that value is non-zero + ReadTimeout time.Duration // net.Conn.SetReadTimeout value for connections, defaults to 2 seconds - overridden by Timeout when that value is non-zero + WriteTimeout time.Duration // net.Conn.SetWriteTimeout value for connections, defaults to 2 seconds - overridden by Timeout when that value is non-zero + TsigSecret map[string]string // secret(s) for Tsig map[], zonename must be in canonical form (lowercase, fqdn, see RFC 4034 Section 6.2) + TsigProvider TsigProvider // An implementation of the TsigProvider interface. If defined it replaces TsigSecret and is used for all TSIG operations. + SingleInflight bool // if true suppress multiple outstanding queries for the same Qname, Qtype and Qclass + group singleflight +} + +// Exchange performs a synchronous UDP query. It sends the message m to the address +// contained in a and waits for a reply. Exchange does not retry a failed query, nor +// will it fall back to TCP in case of truncation. +// See client.Exchange for more information on setting larger buffer sizes. +func Exchange(m *Msg, a string) (r *Msg, err error) { + client := Client{Net: "udp"} + r, _, err = client.Exchange(m, a) + return r, err +} + +func (c *Client) dialTimeout() time.Duration { + if c.Timeout != 0 { + return c.Timeout + } + if c.DialTimeout != 0 { + return c.DialTimeout + } + return dnsTimeout +} + +func (c *Client) readTimeout() time.Duration { + if c.ReadTimeout != 0 { + return c.ReadTimeout + } + return dnsTimeout +} + +func (c *Client) writeTimeout() time.Duration { + if c.WriteTimeout != 0 { + return c.WriteTimeout + } + return dnsTimeout +} + +// Dial connects to the address on the named network. +func (c *Client) Dial(address string) (conn *Conn, err error) { + return c.DialContext(context.Background(), address) +} + +// DialContext connects to the address on the named network, with a context.Context. +// For TLS over TCP (DoT) the context isn't used yet. This will be enabled when Go 1.18 is released. +func (c *Client) DialContext(ctx context.Context, address string) (conn *Conn, err error) { + // create a new dialer with the appropriate timeout + var d net.Dialer + if c.Dialer == nil { + d = net.Dialer{Timeout: c.getTimeoutForRequest(c.dialTimeout())} + } else { + d = *c.Dialer + } + + network := c.Net + if network == "" { + network = "udp" + } + + useTLS := strings.HasPrefix(network, "tcp") && strings.HasSuffix(network, "-tls") + + conn = new(Conn) + if useTLS { + network = strings.TrimSuffix(network, "-tls") + + // TODO(miekg): Enable after Go 1.18 is released, to be able to support two prev. releases. + /* + tlsDialer := tls.Dialer{ + NetDialer: &d, + Config: c.TLSConfig, + } + conn.Conn, err = tlsDialer.DialContext(ctx, network, address) + */ + conn.Conn, err = tls.DialWithDialer(&d, network, address, c.TLSConfig) + } else { + conn.Conn, err = d.DialContext(ctx, network, address) + } + if err != nil { + return nil, err + } + conn.UDPSize = c.UDPSize + return conn, nil +} + +// Exchange performs a synchronous query. It sends the message m to the address +// contained in a and waits for a reply. Basic use pattern with a *dns.Client: +// +// c := new(dns.Client) +// in, rtt, err := c.Exchange(message, "127.0.0.1:53") +// +// Exchange does not retry a failed query, nor will it fall back to TCP in +// case of truncation. +// It is up to the caller to create a message that allows for larger responses to be +// returned. Specifically this means adding an EDNS0 OPT RR that will advertise a larger +// buffer, see SetEdns0. Messages without an OPT RR will fallback to the historic limit +// of 512 bytes +// To specify a local address or a timeout, the caller has to set the `Client.Dialer` +// attribute appropriately +func (c *Client) Exchange(m *Msg, address string) (r *Msg, rtt time.Duration, err error) { + co, err := c.Dial(address) + + if err != nil { + return nil, 0, err + } + defer co.Close() + return c.ExchangeWithConn(m, co) +} + +// ExchangeWithConn has the same behavior as Exchange, just with a predetermined connection +// that will be used instead of creating a new one. +// Usage pattern with a *dns.Client: +// +// c := new(dns.Client) +// // connection management logic goes here +// +// conn := c.Dial(address) +// in, rtt, err := c.ExchangeWithConn(message, conn) +// +// This allows users of the library to implement their own connection management, +// as opposed to Exchange, which will always use new connections and incur the added overhead +// that entails when using "tcp" and especially "tcp-tls" clients. +// +// When the singleflight is set for this client the context is _not_ forwarded to the (shared) exchange, to +// prevent one cancelation from canceling all outstanding requests. +func (c *Client) ExchangeWithConn(m *Msg, conn *Conn) (r *Msg, rtt time.Duration, err error) { + return c.exchangeWithConnContext(context.Background(), m, conn) +} + +func (c *Client) exchangeWithConnContext(ctx context.Context, m *Msg, conn *Conn) (r *Msg, rtt time.Duration, err error) { + if !c.SingleInflight { + return c.exchangeContext(ctx, m, conn) + } + + q := m.Question[0] + key := fmt.Sprintf("%s:%d:%d", q.Name, q.Qtype, q.Qclass) + r, rtt, err, shared := c.group.Do(key, func() (*Msg, time.Duration, error) { + // When we're doing singleflight we don't want one context cancelation, cancel _all_ outstanding queries. + // Hence we ignore the context and use Background(). + return c.exchangeContext(context.Background(), m, conn) + }) + if r != nil && shared { + r = r.Copy() + } + + return r, rtt, err +} + +func (c *Client) exchangeContext(ctx context.Context, m *Msg, co *Conn) (r *Msg, rtt time.Duration, err error) { + opt := m.IsEdns0() + // If EDNS0 is used use that for size. + if opt != nil && opt.UDPSize() >= MinMsgSize { + co.UDPSize = opt.UDPSize() + } + // Otherwise use the client's configured UDP size. + if opt == nil && c.UDPSize >= MinMsgSize { + co.UDPSize = c.UDPSize + } + + // write with the appropriate write timeout + t := time.Now() + writeDeadline := t.Add(c.getTimeoutForRequest(c.writeTimeout())) + readDeadline := t.Add(c.getTimeoutForRequest(c.readTimeout())) + if deadline, ok := ctx.Deadline(); ok { + if deadline.Before(writeDeadline) { + writeDeadline = deadline + } + if deadline.Before(readDeadline) { + readDeadline = deadline + } + } + co.SetWriteDeadline(writeDeadline) + co.SetReadDeadline(readDeadline) + + co.TsigSecret, co.TsigProvider = c.TsigSecret, c.TsigProvider + + if err = co.WriteMsg(m); err != nil { + return nil, 0, err + } + + if isPacketConn(co.Conn) { + for { + r, err = co.ReadMsg() + // Ignore replies with mismatched IDs because they might be + // responses to earlier queries that timed out. + if err != nil || r.Id == m.Id { + break + } + } + } else { + r, err = co.ReadMsg() + if err == nil && r.Id != m.Id { + err = ErrId + } + } + rtt = time.Since(t) + return r, rtt, err +} + +// ReadMsg reads a message from the connection co. +// If the received message contains a TSIG record the transaction signature +// is verified. This method always tries to return the message, however if an +// error is returned there are no guarantees that the returned message is a +// valid representation of the packet read. +func (co *Conn) ReadMsg() (*Msg, error) { + p, err := co.ReadMsgHeader(nil) + if err != nil { + return nil, err + } + + m := new(Msg) + if err := m.Unpack(p); err != nil { + // If an error was returned, we still want to allow the user to use + // the message, but naively they can just check err if they don't want + // to use an erroneous message + return m, err + } + if t := m.IsTsig(); t != nil { + // Need to work on the original message p, as that was used to calculate the tsig. + err = tsigVerifyProvider(p, co.tsigProvider(), co.tsigRequestMAC, false) + } + return m, err +} + +// ReadMsgHeader reads a DNS message, parses and populates hdr (when hdr is not nil). +// Returns message as a byte slice to be parsed with Msg.Unpack later on. +// Note that error handling on the message body is not possible as only the header is parsed. +func (co *Conn) ReadMsgHeader(hdr *Header) ([]byte, error) { + var ( + p []byte + n int + err error + ) + + if isPacketConn(co.Conn) { + if co.UDPSize > MinMsgSize { + p = make([]byte, co.UDPSize) + } else { + p = make([]byte, MinMsgSize) + } + n, err = co.Read(p) + } else { + var length uint16 + if err := binary.Read(co.Conn, binary.BigEndian, &length); err != nil { + return nil, err + } + + p = make([]byte, length) + n, err = io.ReadFull(co.Conn, p) + } + + if err != nil { + return nil, err + } else if n < headerSize { + return nil, ErrShortRead + } + + p = p[:n] + if hdr != nil { + dh, _, err := unpackMsgHdr(p, 0) + if err != nil { + return nil, err + } + *hdr = dh + } + return p, err +} + +// Read implements the net.Conn read method. +func (co *Conn) Read(p []byte) (n int, err error) { + if co.Conn == nil { + return 0, ErrConnEmpty + } + + if isPacketConn(co.Conn) { + // UDP connection + return co.Conn.Read(p) + } + + var length uint16 + if err := binary.Read(co.Conn, binary.BigEndian, &length); err != nil { + return 0, err + } + if int(length) > len(p) { + return 0, io.ErrShortBuffer + } + + return io.ReadFull(co.Conn, p[:length]) +} + +// WriteMsg sends a message through the connection co. +// If the message m contains a TSIG record the transaction +// signature is calculated. +func (co *Conn) WriteMsg(m *Msg) (err error) { + var out []byte + if t := m.IsTsig(); t != nil { + // Set tsigRequestMAC for the next read, although only used in zone transfers. + out, co.tsigRequestMAC, err = tsigGenerateProvider(m, co.tsigProvider(), co.tsigRequestMAC, false) + } else { + out, err = m.Pack() + } + if err != nil { + return err + } + _, err = co.Write(out) + return err +} + +// Write implements the net.Conn Write method. +func (co *Conn) Write(p []byte) (int, error) { + if len(p) > MaxMsgSize { + return 0, &Error{err: "message too large"} + } + + if isPacketConn(co.Conn) { + return co.Conn.Write(p) + } + + msg := make([]byte, 2+len(p)) + binary.BigEndian.PutUint16(msg, uint16(len(p))) + copy(msg[2:], p) + return co.Conn.Write(msg) +} + +// Return the appropriate timeout for a specific request +func (c *Client) getTimeoutForRequest(timeout time.Duration) time.Duration { + var requestTimeout time.Duration + if c.Timeout != 0 { + requestTimeout = c.Timeout + } else { + requestTimeout = timeout + } + // net.Dialer.Timeout has priority if smaller than the timeouts computed so + // far + if c.Dialer != nil && c.Dialer.Timeout != 0 { + if c.Dialer.Timeout < requestTimeout { + requestTimeout = c.Dialer.Timeout + } + } + return requestTimeout +} + +// Dial connects to the address on the named network. +func Dial(network, address string) (conn *Conn, err error) { + conn = new(Conn) + conn.Conn, err = net.Dial(network, address) + if err != nil { + return nil, err + } + return conn, nil +} + +// ExchangeContext performs a synchronous UDP query, like Exchange. It +// additionally obeys deadlines from the passed Context. +func ExchangeContext(ctx context.Context, m *Msg, a string) (r *Msg, err error) { + client := Client{Net: "udp"} + r, _, err = client.ExchangeContext(ctx, m, a) + // ignoring rtt to leave the original ExchangeContext API unchanged, but + // this function will go away + return r, err +} + +// ExchangeConn performs a synchronous query. It sends the message m via the connection +// c and waits for a reply. The connection c is not closed by ExchangeConn. +// Deprecated: This function is going away, but can easily be mimicked: +// +// co := &dns.Conn{Conn: c} // c is your net.Conn +// co.WriteMsg(m) +// in, _ := co.ReadMsg() +// co.Close() +// +func ExchangeConn(c net.Conn, m *Msg) (r *Msg, err error) { + println("dns: ExchangeConn: this function is deprecated") + co := new(Conn) + co.Conn = c + if err = co.WriteMsg(m); err != nil { + return nil, err + } + r, err = co.ReadMsg() + if err == nil && r.Id != m.Id { + err = ErrId + } + return r, err +} + +// DialTimeout acts like Dial but takes a timeout. +func DialTimeout(network, address string, timeout time.Duration) (conn *Conn, err error) { + client := Client{Net: network, Dialer: &net.Dialer{Timeout: timeout}} + return client.Dial(address) +} + +// DialWithTLS connects to the address on the named network with TLS. +func DialWithTLS(network, address string, tlsConfig *tls.Config) (conn *Conn, err error) { + if !strings.HasSuffix(network, "-tls") { + network += "-tls" + } + client := Client{Net: network, TLSConfig: tlsConfig} + return client.Dial(address) +} + +// DialTimeoutWithTLS acts like DialWithTLS but takes a timeout. +func DialTimeoutWithTLS(network, address string, tlsConfig *tls.Config, timeout time.Duration) (conn *Conn, err error) { + if !strings.HasSuffix(network, "-tls") { + network += "-tls" + } + client := Client{Net: network, Dialer: &net.Dialer{Timeout: timeout}, TLSConfig: tlsConfig} + return client.Dial(address) +} + +// ExchangeContext acts like Exchange, but honors the deadline on the provided +// context, if present. If there is both a context deadline and a configured +// timeout on the client, the earliest of the two takes effect. +func (c *Client) ExchangeContext(ctx context.Context, m *Msg, a string) (r *Msg, rtt time.Duration, err error) { + conn, err := c.DialContext(ctx, a) + if err != nil { + return nil, 0, err + } + defer conn.Close() + + return c.exchangeWithConnContext(ctx, m, conn) +} diff --git a/vendor/github.com/miekg/dns/clientconfig.go b/vendor/github.com/miekg/dns/clientconfig.go new file mode 100644 index 000000000..e11b630df --- /dev/null +++ b/vendor/github.com/miekg/dns/clientconfig.go @@ -0,0 +1,135 @@ +package dns + +import ( + "bufio" + "io" + "os" + "strconv" + "strings" +) + +// ClientConfig wraps the contents of the /etc/resolv.conf file. +type ClientConfig struct { + Servers []string // servers to use + Search []string // suffixes to append to local name + Port string // what port to use + Ndots int // number of dots in name to trigger absolute lookup + Timeout int // seconds before giving up on packet + Attempts int // lost packets before giving up on server, not used in the package dns +} + +// ClientConfigFromFile parses a resolv.conf(5) like file and returns +// a *ClientConfig. +func ClientConfigFromFile(resolvconf string) (*ClientConfig, error) { + file, err := os.Open(resolvconf) + if err != nil { + return nil, err + } + defer file.Close() + return ClientConfigFromReader(file) +} + +// ClientConfigFromReader works like ClientConfigFromFile but takes an io.Reader as argument +func ClientConfigFromReader(resolvconf io.Reader) (*ClientConfig, error) { + c := new(ClientConfig) + scanner := bufio.NewScanner(resolvconf) + c.Servers = make([]string, 0) + c.Search = make([]string, 0) + c.Port = "53" + c.Ndots = 1 + c.Timeout = 5 + c.Attempts = 2 + + for scanner.Scan() { + if err := scanner.Err(); err != nil { + return nil, err + } + line := scanner.Text() + f := strings.Fields(line) + if len(f) < 1 { + continue + } + switch f[0] { + case "nameserver": // add one name server + if len(f) > 1 { + // One more check: make sure server name is + // just an IP address. Otherwise we need DNS + // to look it up. + name := f[1] + c.Servers = append(c.Servers, name) + } + + case "domain": // set search path to just this domain + if len(f) > 1 { + c.Search = make([]string, 1) + c.Search[0] = f[1] + } else { + c.Search = make([]string, 0) + } + + case "search": // set search path to given servers + c.Search = append([]string(nil), f[1:]...) + + case "options": // magic options + for _, s := range f[1:] { + switch { + case len(s) >= 6 && s[:6] == "ndots:": + n, _ := strconv.Atoi(s[6:]) + if n < 0 { + n = 0 + } else if n > 15 { + n = 15 + } + c.Ndots = n + case len(s) >= 8 && s[:8] == "timeout:": + n, _ := strconv.Atoi(s[8:]) + if n < 1 { + n = 1 + } + c.Timeout = n + case len(s) >= 9 && s[:9] == "attempts:": + n, _ := strconv.Atoi(s[9:]) + if n < 1 { + n = 1 + } + c.Attempts = n + case s == "rotate": + /* not imp */ + } + } + } + } + return c, nil +} + +// NameList returns all of the names that should be queried based on the +// config. It is based off of go's net/dns name building, but it does not +// check the length of the resulting names. +func (c *ClientConfig) NameList(name string) []string { + // if this domain is already fully qualified, no append needed. + if IsFqdn(name) { + return []string{name} + } + + // Check to see if the name has more labels than Ndots. Do this before making + // the domain fully qualified. + hasNdots := CountLabel(name) > c.Ndots + // Make the domain fully qualified. + name = Fqdn(name) + + // Make a list of names based off search. + names := []string{} + + // If name has enough dots, try that first. + if hasNdots { + names = append(names, name) + } + for _, s := range c.Search { + names = append(names, Fqdn(name+s)) + } + // If we didn't have enough dots, try after suffixes. + if !hasNdots { + names = append(names, name) + } + return names +} diff --git a/vendor/github.com/miekg/dns/dane.go b/vendor/github.com/miekg/dns/dane.go new file mode 100644 index 000000000..8c4a14ef1 --- /dev/null +++ b/vendor/github.com/miekg/dns/dane.go @@ -0,0 +1,43 @@ +package dns + +import ( + "crypto/sha256" + "crypto/sha512" + "crypto/x509" + "encoding/hex" + "errors" +) + +// CertificateToDANE converts a certificate to a hex string as used in the TLSA or SMIMEA records. +func CertificateToDANE(selector, matchingType uint8, cert *x509.Certificate) (string, error) { + switch matchingType { + case 0: + switch selector { + case 0: + return hex.EncodeToString(cert.Raw), nil + case 1: + return hex.EncodeToString(cert.RawSubjectPublicKeyInfo), nil + } + case 1: + h := sha256.New() + switch selector { + case 0: + h.Write(cert.Raw) + return hex.EncodeToString(h.Sum(nil)), nil + case 1: + h.Write(cert.RawSubjectPublicKeyInfo) + return hex.EncodeToString(h.Sum(nil)), nil + } + case 2: + h := sha512.New() + switch selector { + case 0: + h.Write(cert.Raw) + return hex.EncodeToString(h.Sum(nil)), nil + case 1: + h.Write(cert.RawSubjectPublicKeyInfo) + return hex.EncodeToString(h.Sum(nil)), nil + } + } + return "", errors.New("dns: bad MatchingType or Selector") +} diff --git a/vendor/github.com/miekg/dns/defaults.go b/vendor/github.com/miekg/dns/defaults.go new file mode 100644 index 000000000..d47b0b1f2 --- /dev/null +++ b/vendor/github.com/miekg/dns/defaults.go @@ -0,0 +1,381 @@ +package dns + +import ( + "errors" + "net" + "strconv" + "strings" +) + +const hexDigit = "0123456789abcdef" + +// Everything is assumed in ClassINET. + +// SetReply creates a reply message from a request message. +func (dns *Msg) SetReply(request *Msg) *Msg { + dns.Id = request.Id + dns.Response = true + dns.Opcode = request.Opcode + if dns.Opcode == OpcodeQuery { + dns.RecursionDesired = request.RecursionDesired // Copy rd bit + dns.CheckingDisabled = request.CheckingDisabled // Copy cd bit + } + dns.Rcode = RcodeSuccess + if len(request.Question) > 0 { + dns.Question = make([]Question, 1) + dns.Question[0] = request.Question[0] + } + return dns +} + +// SetQuestion creates a question message, it sets the Question +// section, generates an Id and sets the RecursionDesired (RD) +// bit to true. +func (dns *Msg) SetQuestion(z string, t uint16) *Msg { + dns.Id = Id() + dns.RecursionDesired = true + dns.Question = make([]Question, 1) + dns.Question[0] = Question{z, t, ClassINET} + return dns +} + +// SetNotify creates a notify message, it sets the Question +// section, generates an Id and sets the Authoritative (AA) +// bit to true. +func (dns *Msg) SetNotify(z string) *Msg { + dns.Opcode = OpcodeNotify + dns.Authoritative = true + dns.Id = Id() + dns.Question = make([]Question, 1) + dns.Question[0] = Question{z, TypeSOA, ClassINET} + return dns +} + +// SetRcode creates an error message suitable for the request. +func (dns *Msg) SetRcode(request *Msg, rcode int) *Msg { + dns.SetReply(request) + dns.Rcode = rcode + return dns +} + +// SetRcodeFormatError creates a message with FormError set. +func (dns *Msg) SetRcodeFormatError(request *Msg) *Msg { + dns.Rcode = RcodeFormatError + dns.Opcode = OpcodeQuery + dns.Response = true + dns.Authoritative = false + dns.Id = request.Id + return dns +} + +// SetUpdate makes the message a dynamic update message. It +// sets the ZONE section to: z, TypeSOA, ClassINET. +func (dns *Msg) SetUpdate(z string) *Msg { + dns.Id = Id() + dns.Response = false + dns.Opcode = OpcodeUpdate + dns.Compress = false // BIND9 cannot handle compression + dns.Question = make([]Question, 1) + dns.Question[0] = Question{z, TypeSOA, ClassINET} + return dns +} + +// SetIxfr creates message for requesting an IXFR. +func (dns *Msg) SetIxfr(z string, serial uint32, ns, mbox string) *Msg { + dns.Id = Id() + dns.Question = make([]Question, 1) + dns.Ns = make([]RR, 1) + s := new(SOA) + s.Hdr = RR_Header{z, TypeSOA, ClassINET, defaultTtl, 0} + s.Serial = serial + s.Ns = ns + s.Mbox = mbox + dns.Question[0] = Question{z, TypeIXFR, ClassINET} + dns.Ns[0] = s + return dns +} + +// SetAxfr creates message for requesting an AXFR. +func (dns *Msg) SetAxfr(z string) *Msg { + dns.Id = Id() + dns.Question = make([]Question, 1) + dns.Question[0] = Question{z, TypeAXFR, ClassINET} + return dns +} + +// SetTsig appends a TSIG RR to the message. +// This is only a skeleton TSIG RR that is added as the last RR in the +// additional section. The TSIG is calculated when the message is being send. +func (dns *Msg) SetTsig(z, algo string, fudge uint16, timesigned int64) *Msg { + t := new(TSIG) + t.Hdr = RR_Header{z, TypeTSIG, ClassANY, 0, 0} + t.Algorithm = algo + t.Fudge = fudge + t.TimeSigned = uint64(timesigned) + t.OrigId = dns.Id + dns.Extra = append(dns.Extra, t) + return dns +} + +// SetEdns0 appends a EDNS0 OPT RR to the message. +// TSIG should always the last RR in a message. +func (dns *Msg) SetEdns0(udpsize uint16, do bool) *Msg { + e := new(OPT) + e.Hdr.Name = "." + e.Hdr.Rrtype = TypeOPT + e.SetUDPSize(udpsize) + if do { + e.SetDo() + } + dns.Extra = append(dns.Extra, e) + return dns +} + +// IsTsig checks if the message has a TSIG record as the last record +// in the additional section. It returns the TSIG record found or nil. +func (dns *Msg) IsTsig() *TSIG { + if len(dns.Extra) > 0 { + if dns.Extra[len(dns.Extra)-1].Header().Rrtype == TypeTSIG { + return dns.Extra[len(dns.Extra)-1].(*TSIG) + } + } + return nil +} + +// IsEdns0 checks if the message has a EDNS0 (OPT) record, any EDNS0 +// record in the additional section will do. It returns the OPT record +// found or nil. +func (dns *Msg) IsEdns0() *OPT { + // RFC 6891, Section 6.1.1 allows the OPT record to appear + // anywhere in the additional record section, but it's usually at + // the end so start there. + for i := len(dns.Extra) - 1; i >= 0; i-- { + if dns.Extra[i].Header().Rrtype == TypeOPT { + return dns.Extra[i].(*OPT) + } + } + return nil +} + +// popEdns0 is like IsEdns0, but it removes the record from the message. +func (dns *Msg) popEdns0() *OPT { + // RFC 6891, Section 6.1.1 allows the OPT record to appear + // anywhere in the additional record section, but it's usually at + // the end so start there. + for i := len(dns.Extra) - 1; i >= 0; i-- { + if dns.Extra[i].Header().Rrtype == TypeOPT { + opt := dns.Extra[i].(*OPT) + dns.Extra = append(dns.Extra[:i], dns.Extra[i+1:]...) + return opt + } + } + return nil +} + +// IsDomainName checks if s is a valid domain name, it returns the number of +// labels and true, when a domain name is valid. Note that non fully qualified +// domain name is considered valid, in this case the last label is counted in +// the number of labels. When false is returned the number of labels is not +// defined. Also note that this function is extremely liberal; almost any +// string is a valid domain name as the DNS is 8 bit protocol. It checks if each +// label fits in 63 characters and that the entire name will fit into the 255 +// octet wire format limit. +func IsDomainName(s string) (labels int, ok bool) { + // XXX: The logic in this function was copied from packDomainName and + // should be kept in sync with that function. + + const lenmsg = 256 + + if len(s) == 0 { // Ok, for instance when dealing with update RR without any rdata. + return 0, false + } + + s = Fqdn(s) + + // Each dot ends a segment of the name. Except for escaped dots (\.), which + // are normal dots. + + var ( + off int + begin int + wasDot bool + ) + for i := 0; i < len(s); i++ { + switch s[i] { + case '\\': + if off+1 > lenmsg { + return labels, false + } + + // check for \DDD + if i+3 < len(s) && isDigit(s[i+1]) && isDigit(s[i+2]) && isDigit(s[i+3]) { + i += 3 + begin += 3 + } else { + i++ + begin++ + } + + wasDot = false + case '.': + if wasDot { + // two dots back to back is not legal + return labels, false + } + wasDot = true + + labelLen := i - begin + if labelLen >= 1<<6 { // top two bits of length must be clear + return labels, false + } + + // off can already (we're in a loop) be bigger than lenmsg + // this happens when a name isn't fully qualified + off += 1 + labelLen + if off > lenmsg { + return labels, false + } + + labels++ + begin = i + 1 + default: + wasDot = false + } + } + + return labels, true +} + +// IsSubDomain checks if child is indeed a child of the parent. If child and parent +// are the same domain true is returned as well. +func IsSubDomain(parent, child string) bool { + // Entire child is contained in parent + return CompareDomainName(parent, child) == CountLabel(parent) +} + +// IsMsg sanity checks buf and returns an error if it isn't a valid DNS packet. +// The checking is performed on the binary payload. +func IsMsg(buf []byte) error { + // Header + if len(buf) < headerSize { + return errors.New("dns: bad message header") + } + // Header: Opcode + // TODO(miek): more checks here, e.g. check all header bits. + return nil +} + +// IsFqdn checks if a domain name is fully qualified. +func IsFqdn(s string) bool { + s2 := strings.TrimSuffix(s, ".") + if s == s2 { + return false + } + + i := strings.LastIndexFunc(s2, func(r rune) bool { + return r != '\\' + }) + + // Test whether we have an even number of escape sequences before + // the dot or none. + return (len(s2)-i)%2 != 0 +} + +// IsRRset checks if a set of RRs is a valid RRset as defined by RFC 2181. +// This means the RRs need to have the same type, name, and class. Returns true +// if the RR set is valid, otherwise false. +func IsRRset(rrset []RR) bool { + if len(rrset) == 0 { + return false + } + if len(rrset) == 1 { + return true + } + rrHeader := rrset[0].Header() + rrType := rrHeader.Rrtype + rrClass := rrHeader.Class + rrName := rrHeader.Name + + for _, rr := range rrset[1:] { + curRRHeader := rr.Header() + if curRRHeader.Rrtype != rrType || curRRHeader.Class != rrClass || curRRHeader.Name != rrName { + // Mismatch between the records, so this is not a valid rrset for + //signing/verifying + return false + } + } + + return true +} + +// Fqdn return the fully qualified domain name from s. +// If s is already fully qualified, it behaves as the identity function. +func Fqdn(s string) string { + if IsFqdn(s) { + return s + } + return s + "." +} + +// CanonicalName returns the domain name in canonical form. A name in canonical +// form is lowercase and fully qualified. See Section 6.2 in RFC 4034. +func CanonicalName(s string) string { + return strings.ToLower(Fqdn(s)) +} + +// Copied from the official Go code. + +// ReverseAddr returns the in-addr.arpa. or ip6.arpa. hostname of the IP +// address suitable for reverse DNS (PTR) record lookups or an error if it fails +// to parse the IP address. +func ReverseAddr(addr string) (arpa string, err error) { + ip := net.ParseIP(addr) + if ip == nil { + return "", &Error{err: "unrecognized address: " + addr} + } + if v4 := ip.To4(); v4 != nil { + buf := make([]byte, 0, net.IPv4len*4+len("in-addr.arpa.")) + // Add it, in reverse, to the buffer + for i := len(v4) - 1; i >= 0; i-- { + buf = strconv.AppendInt(buf, int64(v4[i]), 10) + buf = append(buf, '.') + } + // Append "in-addr.arpa." and return (buf already has the final .) + buf = append(buf, "in-addr.arpa."...) + return string(buf), nil + } + // Must be IPv6 + buf := make([]byte, 0, net.IPv6len*4+len("ip6.arpa.")) + // Add it, in reverse, to the buffer + for i := len(ip) - 1; i >= 0; i-- { + v := ip[i] + buf = append(buf, hexDigit[v&0xF], '.', hexDigit[v>>4], '.') + } + // Append "ip6.arpa." and return (buf already has the final .) + buf = append(buf, "ip6.arpa."...) + return string(buf), nil +} + +// String returns the string representation for the type t. +func (t Type) String() string { + if t1, ok := TypeToString[uint16(t)]; ok { + return t1 + } + return "TYPE" + strconv.Itoa(int(t)) +} + +// String returns the string representation for the class c. +func (c Class) String() string { + if s, ok := ClassToString[uint16(c)]; ok { + // Only emit mnemonics when they are unambiguous, specially ANY is in both. + if _, ok := StringToType[s]; !ok { + return s + } + } + return "CLASS" + strconv.Itoa(int(c)) +} + +// String returns the string representation for the name n. +func (n Name) String() string { + return sprintName(string(n)) +} diff --git a/vendor/github.com/miekg/dns/dns.go b/vendor/github.com/miekg/dns/dns.go new file mode 100644 index 000000000..a88484b06 --- /dev/null +++ b/vendor/github.com/miekg/dns/dns.go @@ -0,0 +1,158 @@ +package dns + +import ( + "encoding/hex" + "strconv" +) + +const ( + year68 = 1 << 31 // For RFC1982 (Serial Arithmetic) calculations in 32 bits. + defaultTtl = 3600 // Default internal TTL. + + // DefaultMsgSize is the standard default for messages larger than 512 bytes. + DefaultMsgSize = 4096 + // MinMsgSize is the minimal size of a DNS packet. + MinMsgSize = 512 + // MaxMsgSize is the largest possible DNS packet. + MaxMsgSize = 65535 +) + +// Error represents a DNS error. +type Error struct{ err string } + +func (e *Error) Error() string { + if e == nil { + return "dns: " + } + return "dns: " + e.err +} + +// An RR represents a resource record. +type RR interface { + // Header returns the header of an resource record. The header contains + // everything up to the rdata. + Header() *RR_Header + // String returns the text representation of the resource record. + String() string + + // copy returns a copy of the RR + copy() RR + + // len returns the length (in octets) of the compressed or uncompressed RR in wire format. + // + // If compression is nil, the uncompressed size will be returned, otherwise the compressed + // size will be returned and domain names will be added to the map for future compression. + len(off int, compression map[string]struct{}) int + + // pack packs the records RDATA into wire format. The header will + // already have been packed into msg. + pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) + + // unpack unpacks an RR from wire format. + // + // This will only be called on a new and empty RR type with only the header populated. It + // will only be called if the record's RDATA is non-empty. + unpack(msg []byte, off int) (off1 int, err error) + + // parse parses an RR from zone file format. + // + // This will only be called on a new and empty RR type with only the header populated. + parse(c *zlexer, origin string) *ParseError + + // isDuplicate returns whether the two RRs are duplicates. + isDuplicate(r2 RR) bool +} + +// RR_Header is the header all DNS resource records share. +type RR_Header struct { + Name string `dns:"cdomain-name"` + Rrtype uint16 + Class uint16 + Ttl uint32 + Rdlength uint16 // Length of data after header. +} + +// Header returns itself. This is here to make RR_Header implements the RR interface. +func (h *RR_Header) Header() *RR_Header { return h } + +// Just to implement the RR interface. +func (h *RR_Header) copy() RR { return nil } + +func (h *RR_Header) String() string { + var s string + + if h.Rrtype == TypeOPT { + s = ";" + // and maybe other things + } + + s += sprintName(h.Name) + "\t" + s += strconv.FormatInt(int64(h.Ttl), 10) + "\t" + s += Class(h.Class).String() + "\t" + s += Type(h.Rrtype).String() + "\t" + return s +} + +func (h *RR_Header) len(off int, compression map[string]struct{}) int { + l := domainNameLen(h.Name, off, compression, true) + l += 10 // rrtype(2) + class(2) + ttl(4) + rdlength(2) + return l +} + +func (h *RR_Header) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + // RR_Header has no RDATA to pack. + return off, nil +} + +func (h *RR_Header) unpack(msg []byte, off int) (int, error) { + panic("dns: internal error: unpack should never be called on RR_Header") +} + +func (h *RR_Header) parse(c *zlexer, origin string) *ParseError { + panic("dns: internal error: parse should never be called on RR_Header") +} + +// ToRFC3597 converts a known RR to the unknown RR representation from RFC 3597. +func (rr *RFC3597) ToRFC3597(r RR) error { + buf := make([]byte, Len(r)) + headerEnd, off, err := packRR(r, buf, 0, compressionMap{}, false) + if err != nil { + return err + } + buf = buf[:off] + + *rr = RFC3597{Hdr: *r.Header()} + rr.Hdr.Rdlength = uint16(off - headerEnd) + + if noRdata(rr.Hdr) { + return nil + } + + _, err = rr.unpack(buf, headerEnd) + return err +} + +// fromRFC3597 converts an unknown RR representation from RFC 3597 to the known RR type. +func (rr *RFC3597) fromRFC3597(r RR) error { + hdr := r.Header() + *hdr = rr.Hdr + + // Can't overflow uint16 as the length of Rdata is validated in (*RFC3597).parse. + // We can only get here when rr was constructed with that method. + hdr.Rdlength = uint16(hex.DecodedLen(len(rr.Rdata))) + + if noRdata(*hdr) { + // Dynamic update. + return nil + } + + // rr.pack requires an extra allocation and a copy so we just decode Rdata + // manually, it's simpler anyway. + msg, err := hex.DecodeString(rr.Rdata) + if err != nil { + return err + } + + _, err = r.unpack(msg, 0) + return err +} diff --git a/vendor/github.com/miekg/dns/dnssec.go b/vendor/github.com/miekg/dns/dnssec.go new file mode 100644 index 000000000..ea01aa81f --- /dev/null +++ b/vendor/github.com/miekg/dns/dnssec.go @@ -0,0 +1,749 @@ +package dns + +import ( + "bytes" + "crypto" + "crypto/ecdsa" + "crypto/ed25519" + "crypto/elliptic" + "crypto/rand" + "crypto/rsa" + _ "crypto/sha1" // need its init function + _ "crypto/sha256" // need its init function + _ "crypto/sha512" // need its init function + "encoding/asn1" + "encoding/binary" + "encoding/hex" + "math/big" + "sort" + "strings" + "time" +) + +// DNSSEC encryption algorithm codes. +const ( + _ uint8 = iota + RSAMD5 + DH + DSA + _ // Skip 4, RFC 6725, section 2.1 + RSASHA1 + DSANSEC3SHA1 + RSASHA1NSEC3SHA1 + RSASHA256 + _ // Skip 9, RFC 6725, section 2.1 + RSASHA512 + _ // Skip 11, RFC 6725, section 2.1 + ECCGOST + ECDSAP256SHA256 + ECDSAP384SHA384 + ED25519 + ED448 + INDIRECT uint8 = 252 + PRIVATEDNS uint8 = 253 // Private (experimental keys) + PRIVATEOID uint8 = 254 +) + +// AlgorithmToString is a map of algorithm IDs to algorithm names. +var AlgorithmToString = map[uint8]string{ + RSAMD5: "RSAMD5", + DH: "DH", + DSA: "DSA", + RSASHA1: "RSASHA1", + DSANSEC3SHA1: "DSA-NSEC3-SHA1", + RSASHA1NSEC3SHA1: "RSASHA1-NSEC3-SHA1", + RSASHA256: "RSASHA256", + RSASHA512: "RSASHA512", + ECCGOST: "ECC-GOST", + ECDSAP256SHA256: "ECDSAP256SHA256", + ECDSAP384SHA384: "ECDSAP384SHA384", + ED25519: "ED25519", + ED448: "ED448", + INDIRECT: "INDIRECT", + PRIVATEDNS: "PRIVATEDNS", + PRIVATEOID: "PRIVATEOID", +} + +// AlgorithmToHash is a map of algorithm crypto hash IDs to crypto.Hash's. +// For newer algorithm that do their own hashing (i.e. ED25519) the returned value +// is 0, implying no (external) hashing should occur. The non-exported identityHash is then +// used. +var AlgorithmToHash = map[uint8]crypto.Hash{ + RSAMD5: crypto.MD5, // Deprecated in RFC 6725 + DSA: crypto.SHA1, + RSASHA1: crypto.SHA1, + RSASHA1NSEC3SHA1: crypto.SHA1, + RSASHA256: crypto.SHA256, + ECDSAP256SHA256: crypto.SHA256, + ECDSAP384SHA384: crypto.SHA384, + RSASHA512: crypto.SHA512, + ED25519: 0, +} + +// DNSSEC hashing algorithm codes. +const ( + _ uint8 = iota + SHA1 // RFC 4034 + SHA256 // RFC 4509 + GOST94 // RFC 5933 + SHA384 // Experimental + SHA512 // Experimental +) + +// HashToString is a map of hash IDs to names. +var HashToString = map[uint8]string{ + SHA1: "SHA1", + SHA256: "SHA256", + GOST94: "GOST94", + SHA384: "SHA384", + SHA512: "SHA512", +} + +// DNSKEY flag values. +const ( + SEP = 1 + REVOKE = 1 << 7 + ZONE = 1 << 8 +) + +// The RRSIG needs to be converted to wireformat with some of the rdata (the signature) missing. +type rrsigWireFmt struct { + TypeCovered uint16 + Algorithm uint8 + Labels uint8 + OrigTtl uint32 + Expiration uint32 + Inception uint32 + KeyTag uint16 + SignerName string `dns:"domain-name"` + /* No Signature */ +} + +// Used for converting DNSKEY's rdata to wirefmt. +type dnskeyWireFmt struct { + Flags uint16 + Protocol uint8 + Algorithm uint8 + PublicKey string `dns:"base64"` + /* Nothing is left out */ +} + +func divRoundUp(a, b int) int { + return (a + b - 1) / b +} + +// KeyTag calculates the keytag (or key-id) of the DNSKEY. +func (k *DNSKEY) KeyTag() uint16 { + if k == nil { + return 0 + } + var keytag int + switch k.Algorithm { + case RSAMD5: + // This algorithm has been deprecated, but keep this key-tag calculation. + // Look at the bottom two bytes of the modules, which the last item in the pubkey. + // See https://www.rfc-editor.org/errata/eid193 . + modulus, _ := fromBase64([]byte(k.PublicKey)) + if len(modulus) > 1 { + x := binary.BigEndian.Uint16(modulus[len(modulus)-3:]) + keytag = int(x) + } + default: + keywire := new(dnskeyWireFmt) + keywire.Flags = k.Flags + keywire.Protocol = k.Protocol + keywire.Algorithm = k.Algorithm + keywire.PublicKey = k.PublicKey + wire := make([]byte, DefaultMsgSize) + n, err := packKeyWire(keywire, wire) + if err != nil { + return 0 + } + wire = wire[:n] + for i, v := range wire { + if i&1 != 0 { + keytag += int(v) // must be larger than uint32 + } else { + keytag += int(v) << 8 + } + } + keytag += keytag >> 16 & 0xFFFF + keytag &= 0xFFFF + } + return uint16(keytag) +} + +// ToDS converts a DNSKEY record to a DS record. +func (k *DNSKEY) ToDS(h uint8) *DS { + if k == nil { + return nil + } + ds := new(DS) + ds.Hdr.Name = k.Hdr.Name + ds.Hdr.Class = k.Hdr.Class + ds.Hdr.Rrtype = TypeDS + ds.Hdr.Ttl = k.Hdr.Ttl + ds.Algorithm = k.Algorithm + ds.DigestType = h + ds.KeyTag = k.KeyTag() + + keywire := new(dnskeyWireFmt) + keywire.Flags = k.Flags + keywire.Protocol = k.Protocol + keywire.Algorithm = k.Algorithm + keywire.PublicKey = k.PublicKey + wire := make([]byte, DefaultMsgSize) + n, err := packKeyWire(keywire, wire) + if err != nil { + return nil + } + wire = wire[:n] + + owner := make([]byte, 255) + off, err1 := PackDomainName(CanonicalName(k.Hdr.Name), owner, 0, nil, false) + if err1 != nil { + return nil + } + owner = owner[:off] + // RFC4034: + // digest = digest_algorithm( DNSKEY owner name | DNSKEY RDATA); + // "|" denotes concatenation + // DNSKEY RDATA = Flags | Protocol | Algorithm | Public Key. + + var hash crypto.Hash + switch h { + case SHA1: + hash = crypto.SHA1 + case SHA256: + hash = crypto.SHA256 + case SHA384: + hash = crypto.SHA384 + case SHA512: + hash = crypto.SHA512 + default: + return nil + } + + s := hash.New() + s.Write(owner) + s.Write(wire) + ds.Digest = hex.EncodeToString(s.Sum(nil)) + return ds +} + +// ToCDNSKEY converts a DNSKEY record to a CDNSKEY record. +func (k *DNSKEY) ToCDNSKEY() *CDNSKEY { + c := &CDNSKEY{DNSKEY: *k} + c.Hdr = k.Hdr + c.Hdr.Rrtype = TypeCDNSKEY + return c +} + +// ToCDS converts a DS record to a CDS record. +func (d *DS) ToCDS() *CDS { + c := &CDS{DS: *d} + c.Hdr = d.Hdr + c.Hdr.Rrtype = TypeCDS + return c +} + +// Sign signs an RRSet. The signature needs to be filled in with the values: +// Inception, Expiration, KeyTag, SignerName and Algorithm. The rest is copied +// from the RRset. Sign returns a non-nill error when the signing went OK. +// There is no check if RRSet is a proper (RFC 2181) RRSet. If OrigTTL is non +// zero, it is used as-is, otherwise the TTL of the RRset is used as the +// OrigTTL. +func (rr *RRSIG) Sign(k crypto.Signer, rrset []RR) error { + if k == nil { + return ErrPrivKey + } + // s.Inception and s.Expiration may be 0 (rollover etc.), the rest must be set + if rr.KeyTag == 0 || len(rr.SignerName) == 0 || rr.Algorithm == 0 { + return ErrKey + } + + h0 := rrset[0].Header() + rr.Hdr.Rrtype = TypeRRSIG + rr.Hdr.Name = h0.Name + rr.Hdr.Class = h0.Class + if rr.OrigTtl == 0 { // If set don't override + rr.OrigTtl = h0.Ttl + } + rr.TypeCovered = h0.Rrtype + rr.Labels = uint8(CountLabel(h0.Name)) + + if strings.HasPrefix(h0.Name, "*") { + rr.Labels-- // wildcard, remove from label count + } + + sigwire := new(rrsigWireFmt) + sigwire.TypeCovered = rr.TypeCovered + sigwire.Algorithm = rr.Algorithm + sigwire.Labels = rr.Labels + sigwire.OrigTtl = rr.OrigTtl + sigwire.Expiration = rr.Expiration + sigwire.Inception = rr.Inception + sigwire.KeyTag = rr.KeyTag + // For signing, lowercase this name + sigwire.SignerName = CanonicalName(rr.SignerName) + + // Create the desired binary blob + signdata := make([]byte, DefaultMsgSize) + n, err := packSigWire(sigwire, signdata) + if err != nil { + return err + } + signdata = signdata[:n] + wire, err := rawSignatureData(rrset, rr) + if err != nil { + return err + } + + h, cryptohash, err := hashFromAlgorithm(rr.Algorithm) + if err != nil { + return err + } + + switch rr.Algorithm { + case RSAMD5, DSA, DSANSEC3SHA1: + // See RFC 6944. + return ErrAlg + default: + h.Write(signdata) + h.Write(wire) + + signature, err := sign(k, h.Sum(nil), cryptohash, rr.Algorithm) + if err != nil { + return err + } + + rr.Signature = toBase64(signature) + return nil + } +} + +func sign(k crypto.Signer, hashed []byte, hash crypto.Hash, alg uint8) ([]byte, error) { + signature, err := k.Sign(rand.Reader, hashed, hash) + if err != nil { + return nil, err + } + + switch alg { + case RSASHA1, RSASHA1NSEC3SHA1, RSASHA256, RSASHA512, ED25519: + return signature, nil + case ECDSAP256SHA256, ECDSAP384SHA384: + ecdsaSignature := &struct { + R, S *big.Int + }{} + if _, err := asn1.Unmarshal(signature, ecdsaSignature); err != nil { + return nil, err + } + + var intlen int + switch alg { + case ECDSAP256SHA256: + intlen = 32 + case ECDSAP384SHA384: + intlen = 48 + } + + signature := intToBytes(ecdsaSignature.R, intlen) + signature = append(signature, intToBytes(ecdsaSignature.S, intlen)...) + return signature, nil + default: + return nil, ErrAlg + } +} + +// Verify validates an RRSet with the signature and key. This is only the +// cryptographic test, the signature validity period must be checked separately. +// This function copies the rdata of some RRs (to lowercase domain names) for the validation to work. +// It also checks that the Zone Key bit (RFC 4034 2.1.1) is set on the DNSKEY +// and that the Protocol field is set to 3 (RFC 4034 2.1.2). +func (rr *RRSIG) Verify(k *DNSKEY, rrset []RR) error { + // First the easy checks + if !IsRRset(rrset) { + return ErrRRset + } + if rr.KeyTag != k.KeyTag() { + return ErrKey + } + if rr.Hdr.Class != k.Hdr.Class { + return ErrKey + } + if rr.Algorithm != k.Algorithm { + return ErrKey + } + if !strings.EqualFold(rr.SignerName, k.Hdr.Name) { + return ErrKey + } + if k.Protocol != 3 { + return ErrKey + } + // RFC 4034 2.1.1 If bit 7 has value 0, then the DNSKEY record holds some + // other type of DNS public key and MUST NOT be used to verify RRSIGs that + // cover RRsets. + if k.Flags&ZONE == 0 { + return ErrKey + } + + // IsRRset checked that we have at least one RR and that the RRs in + // the set have consistent type, class, and name. Also check that type and + // class matches the RRSIG record. + if h0 := rrset[0].Header(); h0.Class != rr.Hdr.Class || h0.Rrtype != rr.TypeCovered { + return ErrRRset + } + + // RFC 4035 5.3.2. Reconstructing the Signed Data + // Copy the sig, except the rrsig data + sigwire := new(rrsigWireFmt) + sigwire.TypeCovered = rr.TypeCovered + sigwire.Algorithm = rr.Algorithm + sigwire.Labels = rr.Labels + sigwire.OrigTtl = rr.OrigTtl + sigwire.Expiration = rr.Expiration + sigwire.Inception = rr.Inception + sigwire.KeyTag = rr.KeyTag + sigwire.SignerName = CanonicalName(rr.SignerName) + // Create the desired binary blob + signeddata := make([]byte, DefaultMsgSize) + n, err := packSigWire(sigwire, signeddata) + if err != nil { + return err + } + signeddata = signeddata[:n] + wire, err := rawSignatureData(rrset, rr) + if err != nil { + return err + } + + sigbuf := rr.sigBuf() // Get the binary signature data + if rr.Algorithm == PRIVATEDNS { // PRIVATEOID + // TODO(miek) + // remove the domain name and assume its ours? + } + + h, cryptohash, err := hashFromAlgorithm(rr.Algorithm) + if err != nil { + return err + } + + switch rr.Algorithm { + case RSASHA1, RSASHA1NSEC3SHA1, RSASHA256, RSASHA512: + // TODO(mg): this can be done quicker, ie. cache the pubkey data somewhere?? + pubkey := k.publicKeyRSA() // Get the key + if pubkey == nil { + return ErrKey + } + + h.Write(signeddata) + h.Write(wire) + return rsa.VerifyPKCS1v15(pubkey, cryptohash, h.Sum(nil), sigbuf) + + case ECDSAP256SHA256, ECDSAP384SHA384: + pubkey := k.publicKeyECDSA() + if pubkey == nil { + return ErrKey + } + + // Split sigbuf into the r and s coordinates + r := new(big.Int).SetBytes(sigbuf[:len(sigbuf)/2]) + s := new(big.Int).SetBytes(sigbuf[len(sigbuf)/2:]) + + h.Write(signeddata) + h.Write(wire) + if ecdsa.Verify(pubkey, h.Sum(nil), r, s) { + return nil + } + return ErrSig + + case ED25519: + pubkey := k.publicKeyED25519() + if pubkey == nil { + return ErrKey + } + + if ed25519.Verify(pubkey, append(signeddata, wire...), sigbuf) { + return nil + } + return ErrSig + + default: + return ErrAlg + } +} + +// ValidityPeriod uses RFC1982 serial arithmetic to calculate +// if a signature period is valid. If t is the zero time, the +// current time is taken other t is. Returns true if the signature +// is valid at the given time, otherwise returns false. +func (rr *RRSIG) ValidityPeriod(t time.Time) bool { + var utc int64 + if t.IsZero() { + utc = time.Now().UTC().Unix() + } else { + utc = t.UTC().Unix() + } + modi := (int64(rr.Inception) - utc) / year68 + mode := (int64(rr.Expiration) - utc) / year68 + ti := int64(rr.Inception) + modi*year68 + te := int64(rr.Expiration) + mode*year68 + return ti <= utc && utc <= te +} + +// Return the signatures base64 encoding sigdata as a byte slice. +func (rr *RRSIG) sigBuf() []byte { + sigbuf, err := fromBase64([]byte(rr.Signature)) + if err != nil { + return nil + } + return sigbuf +} + +// publicKeyRSA returns the RSA public key from a DNSKEY record. +func (k *DNSKEY) publicKeyRSA() *rsa.PublicKey { + keybuf, err := fromBase64([]byte(k.PublicKey)) + if err != nil { + return nil + } + + if len(keybuf) < 1+1+64 { + // Exponent must be at least 1 byte and modulus at least 64 + return nil + } + + // RFC 2537/3110, section 2. RSA Public KEY Resource Records + // Length is in the 0th byte, unless its zero, then it + // it in bytes 1 and 2 and its a 16 bit number + explen := uint16(keybuf[0]) + keyoff := 1 + if explen == 0 { + explen = uint16(keybuf[1])<<8 | uint16(keybuf[2]) + keyoff = 3 + } + + if explen > 4 || explen == 0 || keybuf[keyoff] == 0 { + // Exponent larger than supported by the crypto package, + // empty, or contains prohibited leading zero. + return nil + } + + modoff := keyoff + int(explen) + modlen := len(keybuf) - modoff + if modlen < 64 || modlen > 512 || keybuf[modoff] == 0 { + // Modulus is too small, large, or contains prohibited leading zero. + return nil + } + + pubkey := new(rsa.PublicKey) + + var expo uint64 + // The exponent of length explen is between keyoff and modoff. + for _, v := range keybuf[keyoff:modoff] { + expo <<= 8 + expo |= uint64(v) + } + if expo > 1<<31-1 { + // Larger exponent than supported by the crypto package. + return nil + } + + pubkey.E = int(expo) + pubkey.N = new(big.Int).SetBytes(keybuf[modoff:]) + return pubkey +} + +// publicKeyECDSA returns the Curve public key from the DNSKEY record. +func (k *DNSKEY) publicKeyECDSA() *ecdsa.PublicKey { + keybuf, err := fromBase64([]byte(k.PublicKey)) + if err != nil { + return nil + } + pubkey := new(ecdsa.PublicKey) + switch k.Algorithm { + case ECDSAP256SHA256: + pubkey.Curve = elliptic.P256() + if len(keybuf) != 64 { + // wrongly encoded key + return nil + } + case ECDSAP384SHA384: + pubkey.Curve = elliptic.P384() + if len(keybuf) != 96 { + // Wrongly encoded key + return nil + } + } + pubkey.X = new(big.Int).SetBytes(keybuf[:len(keybuf)/2]) + pubkey.Y = new(big.Int).SetBytes(keybuf[len(keybuf)/2:]) + return pubkey +} + +func (k *DNSKEY) publicKeyED25519() ed25519.PublicKey { + keybuf, err := fromBase64([]byte(k.PublicKey)) + if err != nil { + return nil + } + if len(keybuf) != ed25519.PublicKeySize { + return nil + } + return keybuf +} + +type wireSlice [][]byte + +func (p wireSlice) Len() int { return len(p) } +func (p wireSlice) Swap(i, j int) { p[i], p[j] = p[j], p[i] } +func (p wireSlice) Less(i, j int) bool { + _, ioff, _ := UnpackDomainName(p[i], 0) + _, joff, _ := UnpackDomainName(p[j], 0) + return bytes.Compare(p[i][ioff+10:], p[j][joff+10:]) < 0 +} + +// Return the raw signature data. +func rawSignatureData(rrset []RR, s *RRSIG) (buf []byte, err error) { + wires := make(wireSlice, len(rrset)) + for i, r := range rrset { + r1 := r.copy() + h := r1.Header() + h.Ttl = s.OrigTtl + labels := SplitDomainName(h.Name) + // 6.2. Canonical RR Form. (4) - wildcards + if len(labels) > int(s.Labels) { + // Wildcard + h.Name = "*." + strings.Join(labels[len(labels)-int(s.Labels):], ".") + "." + } + // RFC 4034: 6.2. Canonical RR Form. (2) - domain name to lowercase + h.Name = CanonicalName(h.Name) + // 6.2. Canonical RR Form. (3) - domain rdata to lowercase. + // NS, MD, MF, CNAME, SOA, MB, MG, MR, PTR, + // HINFO, MINFO, MX, RP, AFSDB, RT, SIG, PX, NXT, NAPTR, KX, + // SRV, DNAME, A6 + // + // RFC 6840 - Clarifications and Implementation Notes for DNS Security (DNSSEC): + // Section 6.2 of [RFC4034] also erroneously lists HINFO as a record + // that needs conversion to lowercase, and twice at that. Since HINFO + // records contain no domain names, they are not subject to case + // conversion. + switch x := r1.(type) { + case *NS: + x.Ns = CanonicalName(x.Ns) + case *MD: + x.Md = CanonicalName(x.Md) + case *MF: + x.Mf = CanonicalName(x.Mf) + case *CNAME: + x.Target = CanonicalName(x.Target) + case *SOA: + x.Ns = CanonicalName(x.Ns) + x.Mbox = CanonicalName(x.Mbox) + case *MB: + x.Mb = CanonicalName(x.Mb) + case *MG: + x.Mg = CanonicalName(x.Mg) + case *MR: + x.Mr = CanonicalName(x.Mr) + case *PTR: + x.Ptr = CanonicalName(x.Ptr) + case *MINFO: + x.Rmail = CanonicalName(x.Rmail) + x.Email = CanonicalName(x.Email) + case *MX: + x.Mx = CanonicalName(x.Mx) + case *RP: + x.Mbox = CanonicalName(x.Mbox) + x.Txt = CanonicalName(x.Txt) + case *AFSDB: + x.Hostname = CanonicalName(x.Hostname) + case *RT: + x.Host = CanonicalName(x.Host) + case *SIG: + x.SignerName = CanonicalName(x.SignerName) + case *PX: + x.Map822 = CanonicalName(x.Map822) + x.Mapx400 = CanonicalName(x.Mapx400) + case *NAPTR: + x.Replacement = CanonicalName(x.Replacement) + case *KX: + x.Exchanger = CanonicalName(x.Exchanger) + case *SRV: + x.Target = CanonicalName(x.Target) + case *DNAME: + x.Target = CanonicalName(x.Target) + } + // 6.2. Canonical RR Form. (5) - origTTL + wire := make([]byte, Len(r1)+1) // +1 to be safe(r) + off, err1 := PackRR(r1, wire, 0, nil, false) + if err1 != nil { + return nil, err1 + } + wire = wire[:off] + wires[i] = wire + } + sort.Sort(wires) + for i, wire := range wires { + if i > 0 && bytes.Equal(wire, wires[i-1]) { + continue + } + buf = append(buf, wire...) + } + return buf, nil +} + +func packSigWire(sw *rrsigWireFmt, msg []byte) (int, error) { + // copied from zmsg.go RRSIG packing + off, err := packUint16(sw.TypeCovered, msg, 0) + if err != nil { + return off, err + } + off, err = packUint8(sw.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(sw.Labels, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(sw.OrigTtl, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(sw.Expiration, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(sw.Inception, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(sw.KeyTag, msg, off) + if err != nil { + return off, err + } + off, err = PackDomainName(sw.SignerName, msg, off, nil, false) + if err != nil { + return off, err + } + return off, nil +} + +func packKeyWire(dw *dnskeyWireFmt, msg []byte) (int, error) { + // copied from zmsg.go DNSKEY packing + off, err := packUint16(dw.Flags, msg, 0) + if err != nil { + return off, err + } + off, err = packUint8(dw.Protocol, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(dw.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packStringBase64(dw.PublicKey, msg, off) + if err != nil { + return off, err + } + return off, nil +} diff --git a/vendor/github.com/miekg/dns/dnssec_keygen.go b/vendor/github.com/miekg/dns/dnssec_keygen.go new file mode 100644 index 000000000..b8124b561 --- /dev/null +++ b/vendor/github.com/miekg/dns/dnssec_keygen.go @@ -0,0 +1,139 @@ +package dns + +import ( + "crypto" + "crypto/ecdsa" + "crypto/ed25519" + "crypto/elliptic" + "crypto/rand" + "crypto/rsa" + "math/big" +) + +// Generate generates a DNSKEY of the given bit size. +// The public part is put inside the DNSKEY record. +// The Algorithm in the key must be set as this will define +// what kind of DNSKEY will be generated. +// The ECDSA algorithms imply a fixed keysize, in that case +// bits should be set to the size of the algorithm. +func (k *DNSKEY) Generate(bits int) (crypto.PrivateKey, error) { + switch k.Algorithm { + case RSASHA1, RSASHA256, RSASHA1NSEC3SHA1: + if bits < 512 || bits > 4096 { + return nil, ErrKeySize + } + case RSASHA512: + if bits < 1024 || bits > 4096 { + return nil, ErrKeySize + } + case ECDSAP256SHA256: + if bits != 256 { + return nil, ErrKeySize + } + case ECDSAP384SHA384: + if bits != 384 { + return nil, ErrKeySize + } + case ED25519: + if bits != 256 { + return nil, ErrKeySize + } + default: + return nil, ErrAlg + } + + switch k.Algorithm { + case RSASHA1, RSASHA256, RSASHA512, RSASHA1NSEC3SHA1: + priv, err := rsa.GenerateKey(rand.Reader, bits) + if err != nil { + return nil, err + } + k.setPublicKeyRSA(priv.PublicKey.E, priv.PublicKey.N) + return priv, nil + case ECDSAP256SHA256, ECDSAP384SHA384: + var c elliptic.Curve + switch k.Algorithm { + case ECDSAP256SHA256: + c = elliptic.P256() + case ECDSAP384SHA384: + c = elliptic.P384() + } + priv, err := ecdsa.GenerateKey(c, rand.Reader) + if err != nil { + return nil, err + } + k.setPublicKeyECDSA(priv.PublicKey.X, priv.PublicKey.Y) + return priv, nil + case ED25519: + pub, priv, err := ed25519.GenerateKey(rand.Reader) + if err != nil { + return nil, err + } + k.setPublicKeyED25519(pub) + return priv, nil + default: + return nil, ErrAlg + } +} + +// Set the public key (the value E and N) +func (k *DNSKEY) setPublicKeyRSA(_E int, _N *big.Int) bool { + if _E == 0 || _N == nil { + return false + } + buf := exponentToBuf(_E) + buf = append(buf, _N.Bytes()...) + k.PublicKey = toBase64(buf) + return true +} + +// Set the public key for Elliptic Curves +func (k *DNSKEY) setPublicKeyECDSA(_X, _Y *big.Int) bool { + if _X == nil || _Y == nil { + return false + } + var intlen int + switch k.Algorithm { + case ECDSAP256SHA256: + intlen = 32 + case ECDSAP384SHA384: + intlen = 48 + } + k.PublicKey = toBase64(curveToBuf(_X, _Y, intlen)) + return true +} + +// Set the public key for Ed25519 +func (k *DNSKEY) setPublicKeyED25519(_K ed25519.PublicKey) bool { + if _K == nil { + return false + } + k.PublicKey = toBase64(_K) + return true +} + +// Set the public key (the values E and N) for RSA +// RFC 3110: Section 2. RSA Public KEY Resource Records +func exponentToBuf(_E int) []byte { + var buf []byte + i := big.NewInt(int64(_E)).Bytes() + if len(i) < 256 { + buf = make([]byte, 1, 1+len(i)) + buf[0] = uint8(len(i)) + } else { + buf = make([]byte, 3, 3+len(i)) + buf[0] = 0 + buf[1] = uint8(len(i) >> 8) + buf[2] = uint8(len(i)) + } + buf = append(buf, i...) + return buf +} + +// Set the public key for X and Y for Curve. The two +// values are just concatenated. +func curveToBuf(_X, _Y *big.Int, intlen int) []byte { + buf := intToBytes(_X, intlen) + buf = append(buf, intToBytes(_Y, intlen)...) + return buf +} diff --git a/vendor/github.com/miekg/dns/dnssec_keyscan.go b/vendor/github.com/miekg/dns/dnssec_keyscan.go new file mode 100644 index 000000000..f79658169 --- /dev/null +++ b/vendor/github.com/miekg/dns/dnssec_keyscan.go @@ -0,0 +1,309 @@ +package dns + +import ( + "bufio" + "crypto" + "crypto/ecdsa" + "crypto/ed25519" + "crypto/rsa" + "io" + "math/big" + "strconv" + "strings" +) + +// NewPrivateKey returns a PrivateKey by parsing the string s. +// s should be in the same form of the BIND private key files. +func (k *DNSKEY) NewPrivateKey(s string) (crypto.PrivateKey, error) { + if s == "" || s[len(s)-1] != '\n' { // We need a closing newline + return k.ReadPrivateKey(strings.NewReader(s+"\n"), "") + } + return k.ReadPrivateKey(strings.NewReader(s), "") +} + +// ReadPrivateKey reads a private key from the io.Reader q. The string file is +// only used in error reporting. +// The public key must be known, because some cryptographic algorithms embed +// the public inside the privatekey. +func (k *DNSKEY) ReadPrivateKey(q io.Reader, file string) (crypto.PrivateKey, error) { + m, err := parseKey(q, file) + if m == nil { + return nil, err + } + if _, ok := m["private-key-format"]; !ok { + return nil, ErrPrivKey + } + if m["private-key-format"] != "v1.2" && m["private-key-format"] != "v1.3" { + return nil, ErrPrivKey + } + // TODO(mg): check if the pubkey matches the private key + algo, err := strconv.ParseUint(strings.SplitN(m["algorithm"], " ", 2)[0], 10, 8) + if err != nil { + return nil, ErrPrivKey + } + switch uint8(algo) { + case RSASHA1, RSASHA1NSEC3SHA1, RSASHA256, RSASHA512: + priv, err := readPrivateKeyRSA(m) + if err != nil { + return nil, err + } + pub := k.publicKeyRSA() + if pub == nil { + return nil, ErrKey + } + priv.PublicKey = *pub + return priv, nil + case ECDSAP256SHA256, ECDSAP384SHA384: + priv, err := readPrivateKeyECDSA(m) + if err != nil { + return nil, err + } + pub := k.publicKeyECDSA() + if pub == nil { + return nil, ErrKey + } + priv.PublicKey = *pub + return priv, nil + case ED25519: + return readPrivateKeyED25519(m) + default: + return nil, ErrAlg + } +} + +// Read a private key (file) string and create a public key. Return the private key. +func readPrivateKeyRSA(m map[string]string) (*rsa.PrivateKey, error) { + p := new(rsa.PrivateKey) + p.Primes = []*big.Int{nil, nil} + for k, v := range m { + switch k { + case "modulus", "publicexponent", "privateexponent", "prime1", "prime2": + v1, err := fromBase64([]byte(v)) + if err != nil { + return nil, err + } + switch k { + case "modulus": + p.PublicKey.N = new(big.Int).SetBytes(v1) + case "publicexponent": + i := new(big.Int).SetBytes(v1) + p.PublicKey.E = int(i.Int64()) // int64 should be large enough + case "privateexponent": + p.D = new(big.Int).SetBytes(v1) + case "prime1": + p.Primes[0] = new(big.Int).SetBytes(v1) + case "prime2": + p.Primes[1] = new(big.Int).SetBytes(v1) + } + case "exponent1", "exponent2", "coefficient": + // not used in Go (yet) + case "created", "publish", "activate": + // not used in Go (yet) + } + } + return p, nil +} + +func readPrivateKeyECDSA(m map[string]string) (*ecdsa.PrivateKey, error) { + p := new(ecdsa.PrivateKey) + p.D = new(big.Int) + // TODO: validate that the required flags are present + for k, v := range m { + switch k { + case "privatekey": + v1, err := fromBase64([]byte(v)) + if err != nil { + return nil, err + } + p.D.SetBytes(v1) + case "created", "publish", "activate": + /* not used in Go (yet) */ + } + } + return p, nil +} + +func readPrivateKeyED25519(m map[string]string) (ed25519.PrivateKey, error) { + var p ed25519.PrivateKey + // TODO: validate that the required flags are present + for k, v := range m { + switch k { + case "privatekey": + p1, err := fromBase64([]byte(v)) + if err != nil { + return nil, err + } + if len(p1) != ed25519.SeedSize { + return nil, ErrPrivKey + } + p = ed25519.NewKeyFromSeed(p1) + case "created", "publish", "activate": + /* not used in Go (yet) */ + } + } + return p, nil +} + +// parseKey reads a private key from r. It returns a map[string]string, +// with the key-value pairs, or an error when the file is not correct. +func parseKey(r io.Reader, file string) (map[string]string, error) { + m := make(map[string]string) + var k string + + c := newKLexer(r) + + for l, ok := c.Next(); ok; l, ok = c.Next() { + // It should alternate + switch l.value { + case zKey: + k = l.token + case zValue: + if k == "" { + return nil, &ParseError{file, "no private key seen", l} + } + + m[strings.ToLower(k)] = l.token + k = "" + } + } + + // Surface any read errors from r. + if err := c.Err(); err != nil { + return nil, &ParseError{file: file, err: err.Error()} + } + + return m, nil +} + +type klexer struct { + br io.ByteReader + + readErr error + + line int + column int + + key bool + + eol bool // end-of-line +} + +func newKLexer(r io.Reader) *klexer { + br, ok := r.(io.ByteReader) + if !ok { + br = bufio.NewReaderSize(r, 1024) + } + + return &klexer{ + br: br, + + line: 1, + + key: true, + } +} + +func (kl *klexer) Err() error { + if kl.readErr == io.EOF { + return nil + } + + return kl.readErr +} + +// readByte returns the next byte from the input +func (kl *klexer) readByte() (byte, bool) { + if kl.readErr != nil { + return 0, false + } + + c, err := kl.br.ReadByte() + if err != nil { + kl.readErr = err + return 0, false + } + + // delay the newline handling until the next token is delivered, + // fixes off-by-one errors when reporting a parse error. + if kl.eol { + kl.line++ + kl.column = 0 + kl.eol = false + } + + if c == '\n' { + kl.eol = true + } else { + kl.column++ + } + + return c, true +} + +func (kl *klexer) Next() (lex, bool) { + var ( + l lex + + str strings.Builder + + commt bool + ) + + for x, ok := kl.readByte(); ok; x, ok = kl.readByte() { + l.line, l.column = kl.line, kl.column + + switch x { + case ':': + if commt || !kl.key { + break + } + + kl.key = false + + // Next token is a space, eat it + kl.readByte() + + l.value = zKey + l.token = str.String() + return l, true + case ';': + commt = true + case '\n': + if commt { + // Reset a comment + commt = false + } + + if kl.key && str.Len() == 0 { + // ignore empty lines + break + } + + kl.key = true + + l.value = zValue + l.token = str.String() + return l, true + default: + if commt { + break + } + + str.WriteByte(x) + } + } + + if kl.readErr != nil && kl.readErr != io.EOF { + // Don't return any tokens after a read error occurs. + return lex{value: zEOF}, false + } + + if str.Len() > 0 { + // Send remainder + l.value = zValue + l.token = str.String() + return l, true + } + + return lex{value: zEOF}, false +} diff --git a/vendor/github.com/miekg/dns/dnssec_privkey.go b/vendor/github.com/miekg/dns/dnssec_privkey.go new file mode 100644 index 000000000..f16077296 --- /dev/null +++ b/vendor/github.com/miekg/dns/dnssec_privkey.go @@ -0,0 +1,77 @@ +package dns + +import ( + "crypto" + "crypto/ecdsa" + "crypto/ed25519" + "crypto/rsa" + "math/big" + "strconv" +) + +const format = "Private-key-format: v1.3\n" + +var bigIntOne = big.NewInt(1) + +// PrivateKeyString converts a PrivateKey to a string. This string has the same +// format as the private-key-file of BIND9 (Private-key-format: v1.3). +// It needs some info from the key (the algorithm), so its a method of the DNSKEY. +// It supports *rsa.PrivateKey, *ecdsa.PrivateKey and ed25519.PrivateKey. +func (r *DNSKEY) PrivateKeyString(p crypto.PrivateKey) string { + algorithm := strconv.Itoa(int(r.Algorithm)) + algorithm += " (" + AlgorithmToString[r.Algorithm] + ")" + + switch p := p.(type) { + case *rsa.PrivateKey: + modulus := toBase64(p.PublicKey.N.Bytes()) + e := big.NewInt(int64(p.PublicKey.E)) + publicExponent := toBase64(e.Bytes()) + privateExponent := toBase64(p.D.Bytes()) + prime1 := toBase64(p.Primes[0].Bytes()) + prime2 := toBase64(p.Primes[1].Bytes()) + // Calculate Exponent1/2 and Coefficient as per: http://en.wikipedia.org/wiki/RSA#Using_the_Chinese_remainder_algorithm + // and from: http://code.google.com/p/go/issues/detail?id=987 + p1 := new(big.Int).Sub(p.Primes[0], bigIntOne) + q1 := new(big.Int).Sub(p.Primes[1], bigIntOne) + exp1 := new(big.Int).Mod(p.D, p1) + exp2 := new(big.Int).Mod(p.D, q1) + coeff := new(big.Int).ModInverse(p.Primes[1], p.Primes[0]) + + exponent1 := toBase64(exp1.Bytes()) + exponent2 := toBase64(exp2.Bytes()) + coefficient := toBase64(coeff.Bytes()) + + return format + + "Algorithm: " + algorithm + "\n" + + "Modulus: " + modulus + "\n" + + "PublicExponent: " + publicExponent + "\n" + + "PrivateExponent: " + privateExponent + "\n" + + "Prime1: " + prime1 + "\n" + + "Prime2: " + prime2 + "\n" + + "Exponent1: " + exponent1 + "\n" + + "Exponent2: " + exponent2 + "\n" + + "Coefficient: " + coefficient + "\n" + + case *ecdsa.PrivateKey: + var intlen int + switch r.Algorithm { + case ECDSAP256SHA256: + intlen = 32 + case ECDSAP384SHA384: + intlen = 48 + } + private := toBase64(intToBytes(p.D, intlen)) + return format + + "Algorithm: " + algorithm + "\n" + + "PrivateKey: " + private + "\n" + + case ed25519.PrivateKey: + private := toBase64(p.Seed()) + return format + + "Algorithm: " + algorithm + "\n" + + "PrivateKey: " + private + "\n" + + default: + return "" + } +} diff --git a/vendor/github.com/miekg/dns/doc.go b/vendor/github.com/miekg/dns/doc.go new file mode 100644 index 000000000..f00f5722c --- /dev/null +++ b/vendor/github.com/miekg/dns/doc.go @@ -0,0 +1,292 @@ +/* +Package dns implements a full featured interface to the Domain Name System. +Both server- and client-side programming is supported. The package allows +complete control over what is sent out to the DNS. The API follows the +less-is-more principle, by presenting a small, clean interface. + +It supports (asynchronous) querying/replying, incoming/outgoing zone transfers, +TSIG, EDNS0, dynamic updates, notifies and DNSSEC validation/signing. + +Note that domain names MUST be fully qualified before sending them, unqualified +names in a message will result in a packing failure. + +Resource records are native types. They are not stored in wire format. Basic +usage pattern for creating a new resource record: + + r := new(dns.MX) + r.Hdr = dns.RR_Header{Name: "miek.nl.", Rrtype: dns.TypeMX, Class: dns.ClassINET, Ttl: 3600} + r.Preference = 10 + r.Mx = "mx.miek.nl." + +Or directly from a string: + + mx, err := dns.NewRR("miek.nl. 3600 IN MX 10 mx.miek.nl.") + +Or when the default origin (.) and TTL (3600) and class (IN) suit you: + + mx, err := dns.NewRR("miek.nl MX 10 mx.miek.nl") + +Or even: + + mx, err := dns.NewRR("$ORIGIN nl.\nmiek 1H IN MX 10 mx.miek") + +In the DNS messages are exchanged, these messages contain resource records +(sets). Use pattern for creating a message: + + m := new(dns.Msg) + m.SetQuestion("miek.nl.", dns.TypeMX) + +Or when not certain if the domain name is fully qualified: + + m.SetQuestion(dns.Fqdn("miek.nl"), dns.TypeMX) + +The message m is now a message with the question section set to ask the MX +records for the miek.nl. zone. + +The following is slightly more verbose, but more flexible: + + m1 := new(dns.Msg) + m1.Id = dns.Id() + m1.RecursionDesired = true + m1.Question = make([]dns.Question, 1) + m1.Question[0] = dns.Question{"miek.nl.", dns.TypeMX, dns.ClassINET} + +After creating a message it can be sent. Basic use pattern for synchronous +querying the DNS at a server configured on 127.0.0.1 and port 53: + + c := new(dns.Client) + in, rtt, err := c.Exchange(m1, "127.0.0.1:53") + +Suppressing multiple outstanding queries (with the same question, type and +class) is as easy as setting: + + c.SingleInflight = true + +More advanced options are available using a net.Dialer and the corresponding API. +For example it is possible to set a timeout, or to specify a source IP address +and port to use for the connection: + + c := new(dns.Client) + laddr := net.UDPAddr{ + IP: net.ParseIP("[::1]"), + Port: 12345, + Zone: "", + } + c.Dialer := &net.Dialer{ + Timeout: 200 * time.Millisecond, + LocalAddr: &laddr, + } + in, rtt, err := c.Exchange(m1, "8.8.8.8:53") + +If these "advanced" features are not needed, a simple UDP query can be sent, +with: + + in, err := dns.Exchange(m1, "127.0.0.1:53") + +When this functions returns you will get DNS message. A DNS message consists +out of four sections. +The question section: in.Question, the answer section: in.Answer, +the authority section: in.Ns and the additional section: in.Extra. + +Each of these sections (except the Question section) contain a []RR. Basic +use pattern for accessing the rdata of a TXT RR as the first RR in +the Answer section: + + if t, ok := in.Answer[0].(*dns.TXT); ok { + // do something with t.Txt + } + +Domain Name and TXT Character String Representations + +Both domain names and TXT character strings are converted to presentation form +both when unpacked and when converted to strings. + +For TXT character strings, tabs, carriage returns and line feeds will be +converted to \t, \r and \n respectively. Back slashes and quotations marks will +be escaped. Bytes below 32 and above 127 will be converted to \DDD form. + +For domain names, in addition to the above rules brackets, periods, spaces, +semicolons and the at symbol are escaped. + +DNSSEC + +DNSSEC (DNS Security Extension) adds a layer of security to the DNS. It uses +public key cryptography to sign resource records. The public keys are stored in +DNSKEY records and the signatures in RRSIG records. + +Requesting DNSSEC information for a zone is done by adding the DO (DNSSEC OK) +bit to a request. + + m := new(dns.Msg) + m.SetEdns0(4096, true) + +Signature generation, signature verification and key generation are all supported. + +DYNAMIC UPDATES + +Dynamic updates reuses the DNS message format, but renames three of the +sections. Question is Zone, Answer is Prerequisite, Authority is Update, only +the Additional is not renamed. See RFC 2136 for the gory details. + +You can set a rather complex set of rules for the existence of absence of +certain resource records or names in a zone to specify if resource records +should be added or removed. The table from RFC 2136 supplemented with the Go +DNS function shows which functions exist to specify the prerequisites. + + 3.2.4 - Table Of Metavalues Used In Prerequisite Section + + CLASS TYPE RDATA Meaning Function + -------------------------------------------------------------- + ANY ANY empty Name is in use dns.NameUsed + ANY rrset empty RRset exists (value indep) dns.RRsetUsed + NONE ANY empty Name is not in use dns.NameNotUsed + NONE rrset empty RRset does not exist dns.RRsetNotUsed + zone rrset rr RRset exists (value dep) dns.Used + +The prerequisite section can also be left empty. If you have decided on the +prerequisites you can tell what RRs should be added or deleted. The next table +shows the options you have and what functions to call. + + 3.4.2.6 - Table Of Metavalues Used In Update Section + + CLASS TYPE RDATA Meaning Function + --------------------------------------------------------------- + ANY ANY empty Delete all RRsets from name dns.RemoveName + ANY rrset empty Delete an RRset dns.RemoveRRset + NONE rrset rr Delete an RR from RRset dns.Remove + zone rrset rr Add to an RRset dns.Insert + +TRANSACTION SIGNATURE + +An TSIG or transaction signature adds a HMAC TSIG record to each message sent. +The supported algorithms include: HmacSHA1, HmacSHA256 and HmacSHA512. + +Basic use pattern when querying with a TSIG name "axfr." (note that these key names +must be fully qualified - as they are domain names) and the base64 secret +"so6ZGir4GPAqINNh9U5c3A==": + +If an incoming message contains a TSIG record it MUST be the last record in +the additional section (RFC2845 3.2). This means that you should make the +call to SetTsig last, right before executing the query. If you make any +changes to the RRset after calling SetTsig() the signature will be incorrect. + + c := new(dns.Client) + c.TsigSecret = map[string]string{"axfr.": "so6ZGir4GPAqINNh9U5c3A=="} + m := new(dns.Msg) + m.SetQuestion("miek.nl.", dns.TypeMX) + m.SetTsig("axfr.", dns.HmacSHA256, 300, time.Now().Unix()) + ... + // When sending the TSIG RR is calculated and filled in before sending + +When requesting an zone transfer (almost all TSIG usage is when requesting zone +transfers), with TSIG, this is the basic use pattern. In this example we +request an AXFR for miek.nl. with TSIG key named "axfr." and secret +"so6ZGir4GPAqINNh9U5c3A==" and using the server 176.58.119.54: + + t := new(dns.Transfer) + m := new(dns.Msg) + t.TsigSecret = map[string]string{"axfr.": "so6ZGir4GPAqINNh9U5c3A=="} + m.SetAxfr("miek.nl.") + m.SetTsig("axfr.", dns.HmacSHA256, 300, time.Now().Unix()) + c, err := t.In(m, "176.58.119.54:53") + for r := range c { ... } + +You can now read the records from the transfer as they come in. Each envelope +is checked with TSIG. If something is not correct an error is returned. + +A custom TSIG implementation can be used. This requires additional code to +perform any session establishment and signature generation/verification. The +client must be configured with an implementation of the TsigProvider interface: + + type Provider struct{} + + func (*Provider) Generate(msg []byte, tsig *dns.TSIG) ([]byte, error) { + // Use tsig.Hdr.Name and tsig.Algorithm in your code to + // generate the MAC using msg as the payload. + } + + func (*Provider) Verify(msg []byte, tsig *dns.TSIG) error { + // Use tsig.Hdr.Name and tsig.Algorithm in your code to verify + // that msg matches the value in tsig.MAC. + } + + c := new(dns.Client) + c.TsigProvider = new(Provider) + m := new(dns.Msg) + m.SetQuestion("miek.nl.", dns.TypeMX) + m.SetTsig(keyname, dns.HmacSHA256, 300, time.Now().Unix()) + ... + // TSIG RR is calculated by calling your Generate method + +Basic use pattern validating and replying to a message that has TSIG set. + + server := &dns.Server{Addr: ":53", Net: "udp"} + server.TsigSecret = map[string]string{"axfr.": "so6ZGir4GPAqINNh9U5c3A=="} + go server.ListenAndServe() + dns.HandleFunc(".", handleRequest) + + func handleRequest(w dns.ResponseWriter, r *dns.Msg) { + m := new(dns.Msg) + m.SetReply(r) + if r.IsTsig() != nil { + if w.TsigStatus() == nil { + // *Msg r has an TSIG record and it was validated + m.SetTsig("axfr.", dns.HmacSHA256, 300, time.Now().Unix()) + } else { + // *Msg r has an TSIG records and it was not validated + } + } + w.WriteMsg(m) + } + +PRIVATE RRS + +RFC 6895 sets aside a range of type codes for private use. This range is 65,280 +- 65,534 (0xFF00 - 0xFFFE). When experimenting with new Resource Records these +can be used, before requesting an official type code from IANA. + +See https://miek.nl/2014/september/21/idn-and-private-rr-in-go-dns/ for more +information. + +EDNS0 + +EDNS0 is an extension mechanism for the DNS defined in RFC 2671 and updated by +RFC 6891. It defines a new RR type, the OPT RR, which is then completely +abused. + +Basic use pattern for creating an (empty) OPT RR: + + o := new(dns.OPT) + o.Hdr.Name = "." // MUST be the root zone, per definition. + o.Hdr.Rrtype = dns.TypeOPT + +The rdata of an OPT RR consists out of a slice of EDNS0 (RFC 6891) interfaces. +Currently only a few have been standardized: EDNS0_NSID (RFC 5001) and +EDNS0_SUBNET (RFC 7871). Note that these options may be combined in an OPT RR. +Basic use pattern for a server to check if (and which) options are set: + + // o is a dns.OPT + for _, s := range o.Option { + switch e := s.(type) { + case *dns.EDNS0_NSID: + // do stuff with e.Nsid + case *dns.EDNS0_SUBNET: + // access e.Family, e.Address, etc. + } + } + +SIG(0) + +From RFC 2931: + + SIG(0) provides protection for DNS transactions and requests .... + ... protection for glue records, DNS requests, protection for message headers + on requests and responses, and protection of the overall integrity of a response. + +It works like TSIG, except that SIG(0) uses public key cryptography, instead of +the shared secret approach in TSIG. Supported algorithms: ECDSAP256SHA256, +ECDSAP384SHA384, RSASHA1, RSASHA256 and RSASHA512. + +Signing subsequent messages in multi-message sessions is not implemented. +*/ +package dns diff --git a/vendor/github.com/miekg/dns/duplicate.go b/vendor/github.com/miekg/dns/duplicate.go new file mode 100644 index 000000000..d21ae1cac --- /dev/null +++ b/vendor/github.com/miekg/dns/duplicate.go @@ -0,0 +1,37 @@ +package dns + +//go:generate go run duplicate_generate.go + +// IsDuplicate checks of r1 and r2 are duplicates of each other, excluding the TTL. +// So this means the header data is equal *and* the RDATA is the same. Returns true +// if so, otherwise false. It's a protocol violation to have identical RRs in a message. +func IsDuplicate(r1, r2 RR) bool { + // Check whether the record header is identical. + if !r1.Header().isDuplicate(r2.Header()) { + return false + } + + // Check whether the RDATA is identical. + return r1.isDuplicate(r2) +} + +func (r1 *RR_Header) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*RR_Header) + if !ok { + return false + } + if r1.Class != r2.Class { + return false + } + if r1.Rrtype != r2.Rrtype { + return false + } + if !isDuplicateName(r1.Name, r2.Name) { + return false + } + // ignore TTL + return true +} + +// isDuplicateName checks if the domain names s1 and s2 are equal. +func isDuplicateName(s1, s2 string) bool { return equal(s1, s2) } diff --git a/vendor/github.com/miekg/dns/edns.go b/vendor/github.com/miekg/dns/edns.go new file mode 100644 index 000000000..14568c2e9 --- /dev/null +++ b/vendor/github.com/miekg/dns/edns.go @@ -0,0 +1,851 @@ +package dns + +import ( + "encoding/binary" + "encoding/hex" + "errors" + "fmt" + "net" + "strconv" +) + +// EDNS0 Option codes. +const ( + EDNS0LLQ = 0x1 // long lived queries: http://tools.ietf.org/html/draft-sekar-dns-llq-01 + EDNS0UL = 0x2 // update lease draft: http://files.dns-sd.org/draft-sekar-dns-ul.txt + EDNS0NSID = 0x3 // nsid (See RFC 5001) + EDNS0ESU = 0x4 // ENUM Source-URI draft: https://datatracker.ietf.org/doc/html/draft-kaplan-enum-source-uri-00 + EDNS0DAU = 0x5 // DNSSEC Algorithm Understood + EDNS0DHU = 0x6 // DS Hash Understood + EDNS0N3U = 0x7 // NSEC3 Hash Understood + EDNS0SUBNET = 0x8 // client-subnet (See RFC 7871) + EDNS0EXPIRE = 0x9 // EDNS0 expire + EDNS0COOKIE = 0xa // EDNS0 Cookie + EDNS0TCPKEEPALIVE = 0xb // EDNS0 tcp keep alive (See RFC 7828) + EDNS0PADDING = 0xc // EDNS0 padding (See RFC 7830) + EDNS0EDE = 0xf // EDNS0 extended DNS errors (See RFC 8914) + EDNS0LOCALSTART = 0xFDE9 // Beginning of range reserved for local/experimental use (See RFC 6891) + EDNS0LOCALEND = 0xFFFE // End of range reserved for local/experimental use (See RFC 6891) + _DO = 1 << 15 // DNSSEC OK +) + +// makeDataOpt is used to unpack the EDNS0 option(s) from a message. +func makeDataOpt(code uint16) EDNS0 { + // All the EDNS0.* constants above need to be in this switch. + switch code { + case EDNS0LLQ: + return new(EDNS0_LLQ) + case EDNS0UL: + return new(EDNS0_UL) + case EDNS0NSID: + return new(EDNS0_NSID) + case EDNS0DAU: + return new(EDNS0_DAU) + case EDNS0DHU: + return new(EDNS0_DHU) + case EDNS0N3U: + return new(EDNS0_N3U) + case EDNS0SUBNET: + return new(EDNS0_SUBNET) + case EDNS0EXPIRE: + return new(EDNS0_EXPIRE) + case EDNS0COOKIE: + return new(EDNS0_COOKIE) + case EDNS0TCPKEEPALIVE: + return new(EDNS0_TCP_KEEPALIVE) + case EDNS0PADDING: + return new(EDNS0_PADDING) + case EDNS0EDE: + return new(EDNS0_EDE) + case EDNS0ESU: + return &EDNS0_ESU{Code: EDNS0ESU} + default: + e := new(EDNS0_LOCAL) + e.Code = code + return e + } +} + +// OPT is the EDNS0 RR appended to messages to convey extra (meta) information. +// See RFC 6891. +type OPT struct { + Hdr RR_Header + Option []EDNS0 `dns:"opt"` +} + +func (rr *OPT) String() string { + s := "\n;; OPT PSEUDOSECTION:\n; EDNS: version " + strconv.Itoa(int(rr.Version())) + "; " + if rr.Do() { + s += "flags: do; " + } else { + s += "flags: ; " + } + s += "udp: " + strconv.Itoa(int(rr.UDPSize())) + + for _, o := range rr.Option { + switch o.(type) { + case *EDNS0_NSID: + s += "\n; NSID: " + o.String() + h, e := o.pack() + var r string + if e == nil { + for _, c := range h { + r += "(" + string(c) + ")" + } + s += " " + r + } + case *EDNS0_SUBNET: + s += "\n; SUBNET: " + o.String() + case *EDNS0_COOKIE: + s += "\n; COOKIE: " + o.String() + case *EDNS0_TCP_KEEPALIVE: + s += "\n; KEEPALIVE: " + o.String() + case *EDNS0_UL: + s += "\n; UPDATE LEASE: " + o.String() + case *EDNS0_LLQ: + s += "\n; LONG LIVED QUERIES: " + o.String() + case *EDNS0_DAU: + s += "\n; DNSSEC ALGORITHM UNDERSTOOD: " + o.String() + case *EDNS0_DHU: + s += "\n; DS HASH UNDERSTOOD: " + o.String() + case *EDNS0_N3U: + s += "\n; NSEC3 HASH UNDERSTOOD: " + o.String() + case *EDNS0_LOCAL: + s += "\n; LOCAL OPT: " + o.String() + case *EDNS0_PADDING: + s += "\n; PADDING: " + o.String() + case *EDNS0_EDE: + s += "\n; EDE: " + o.String() + case *EDNS0_ESU: + s += "\n; ESU: " + o.String() + } + } + return s +} + +func (rr *OPT) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + for _, o := range rr.Option { + l += 4 // Account for 2-byte option code and 2-byte option length. + lo, _ := o.pack() + l += len(lo) + } + return l +} + +func (*OPT) parse(c *zlexer, origin string) *ParseError { + return &ParseError{err: "OPT records do not have a presentation format"} +} + +func (rr *OPT) isDuplicate(r2 RR) bool { return false } + +// return the old value -> delete SetVersion? + +// Version returns the EDNS version used. Only zero is defined. +func (rr *OPT) Version() uint8 { + return uint8(rr.Hdr.Ttl & 0x00FF0000 >> 16) +} + +// SetVersion sets the version of EDNS. This is usually zero. +func (rr *OPT) SetVersion(v uint8) { + rr.Hdr.Ttl = rr.Hdr.Ttl&0xFF00FFFF | uint32(v)<<16 +} + +// ExtendedRcode returns the EDNS extended RCODE field (the upper 8 bits of the TTL). +func (rr *OPT) ExtendedRcode() int { + return int(rr.Hdr.Ttl&0xFF000000>>24) << 4 +} + +// SetExtendedRcode sets the EDNS extended RCODE field. +// +// If the RCODE is not an extended RCODE, will reset the extended RCODE field to 0. +func (rr *OPT) SetExtendedRcode(v uint16) { + rr.Hdr.Ttl = rr.Hdr.Ttl&0x00FFFFFF | uint32(v>>4)<<24 +} + +// UDPSize returns the UDP buffer size. +func (rr *OPT) UDPSize() uint16 { + return rr.Hdr.Class +} + +// SetUDPSize sets the UDP buffer size. +func (rr *OPT) SetUDPSize(size uint16) { + rr.Hdr.Class = size +} + +// Do returns the value of the DO (DNSSEC OK) bit. +func (rr *OPT) Do() bool { + return rr.Hdr.Ttl&_DO == _DO +} + +// SetDo sets the DO (DNSSEC OK) bit. +// If we pass an argument, set the DO bit to that value. +// It is possible to pass 2 or more arguments. Any arguments after the 1st is silently ignored. +func (rr *OPT) SetDo(do ...bool) { + if len(do) == 1 { + if do[0] { + rr.Hdr.Ttl |= _DO + } else { + rr.Hdr.Ttl &^= _DO + } + } else { + rr.Hdr.Ttl |= _DO + } +} + +// Z returns the Z part of the OPT RR as a uint16 with only the 15 least significant bits used. +func (rr *OPT) Z() uint16 { + return uint16(rr.Hdr.Ttl & 0x7FFF) +} + +// SetZ sets the Z part of the OPT RR, note only the 15 least significant bits of z are used. +func (rr *OPT) SetZ(z uint16) { + rr.Hdr.Ttl = rr.Hdr.Ttl&^0x7FFF | uint32(z&0x7FFF) +} + +// EDNS0 defines an EDNS0 Option. An OPT RR can have multiple options appended to it. +type EDNS0 interface { + // Option returns the option code for the option. + Option() uint16 + // pack returns the bytes of the option data. + pack() ([]byte, error) + // unpack sets the data as found in the buffer. Is also sets + // the length of the slice as the length of the option data. + unpack([]byte) error + // String returns the string representation of the option. + String() string + // copy returns a deep-copy of the option. + copy() EDNS0 +} + +// EDNS0_NSID option is used to retrieve a nameserver +// identifier. When sending a request Nsid must be set to the empty string +// The identifier is an opaque string encoded as hex. +// Basic use pattern for creating an nsid option: +// +// o := new(dns.OPT) +// o.Hdr.Name = "." +// o.Hdr.Rrtype = dns.TypeOPT +// e := new(dns.EDNS0_NSID) +// e.Code = dns.EDNS0NSID +// e.Nsid = "AA" +// o.Option = append(o.Option, e) +type EDNS0_NSID struct { + Code uint16 // Always EDNS0NSID + Nsid string // This string needs to be hex encoded +} + +func (e *EDNS0_NSID) pack() ([]byte, error) { + h, err := hex.DecodeString(e.Nsid) + if err != nil { + return nil, err + } + return h, nil +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_NSID) Option() uint16 { return EDNS0NSID } // Option returns the option code. +func (e *EDNS0_NSID) unpack(b []byte) error { e.Nsid = hex.EncodeToString(b); return nil } +func (e *EDNS0_NSID) String() string { return e.Nsid } +func (e *EDNS0_NSID) copy() EDNS0 { return &EDNS0_NSID{e.Code, e.Nsid} } + +// EDNS0_SUBNET is the subnet option that is used to give the remote nameserver +// an idea of where the client lives. See RFC 7871. It can then give back a different +// answer depending on the location or network topology. +// Basic use pattern for creating an subnet option: +// +// o := new(dns.OPT) +// o.Hdr.Name = "." +// o.Hdr.Rrtype = dns.TypeOPT +// e := new(dns.EDNS0_SUBNET) +// e.Code = dns.EDNS0SUBNET +// e.Family = 1 // 1 for IPv4 source address, 2 for IPv6 +// e.SourceNetmask = 32 // 32 for IPV4, 128 for IPv6 +// e.SourceScope = 0 +// e.Address = net.ParseIP("127.0.0.1").To4() // for IPv4 +// // e.Address = net.ParseIP("2001:7b8:32a::2") // for IPV6 +// o.Option = append(o.Option, e) +// +// This code will parse all the available bits when unpacking (up to optlen). +// When packing it will apply SourceNetmask. If you need more advanced logic, +// patches welcome and good luck. +type EDNS0_SUBNET struct { + Code uint16 // Always EDNS0SUBNET + Family uint16 // 1 for IP, 2 for IP6 + SourceNetmask uint8 + SourceScope uint8 + Address net.IP +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_SUBNET) Option() uint16 { return EDNS0SUBNET } + +func (e *EDNS0_SUBNET) pack() ([]byte, error) { + b := make([]byte, 4) + binary.BigEndian.PutUint16(b[0:], e.Family) + b[2] = e.SourceNetmask + b[3] = e.SourceScope + switch e.Family { + case 0: + // "dig" sets AddressFamily to 0 if SourceNetmask is also 0 + // We might don't need to complain either + if e.SourceNetmask != 0 { + return nil, errors.New("dns: bad address family") + } + case 1: + if e.SourceNetmask > net.IPv4len*8 { + return nil, errors.New("dns: bad netmask") + } + if len(e.Address.To4()) != net.IPv4len { + return nil, errors.New("dns: bad address") + } + ip := e.Address.To4().Mask(net.CIDRMask(int(e.SourceNetmask), net.IPv4len*8)) + needLength := (e.SourceNetmask + 8 - 1) / 8 // division rounding up + b = append(b, ip[:needLength]...) + case 2: + if e.SourceNetmask > net.IPv6len*8 { + return nil, errors.New("dns: bad netmask") + } + if len(e.Address) != net.IPv6len { + return nil, errors.New("dns: bad address") + } + ip := e.Address.Mask(net.CIDRMask(int(e.SourceNetmask), net.IPv6len*8)) + needLength := (e.SourceNetmask + 8 - 1) / 8 // division rounding up + b = append(b, ip[:needLength]...) + default: + return nil, errors.New("dns: bad address family") + } + return b, nil +} + +func (e *EDNS0_SUBNET) unpack(b []byte) error { + if len(b) < 4 { + return ErrBuf + } + e.Family = binary.BigEndian.Uint16(b) + e.SourceNetmask = b[2] + e.SourceScope = b[3] + switch e.Family { + case 0: + // "dig" sets AddressFamily to 0 if SourceNetmask is also 0 + // It's okay to accept such a packet + if e.SourceNetmask != 0 { + return errors.New("dns: bad address family") + } + e.Address = net.IPv4(0, 0, 0, 0) + case 1: + if e.SourceNetmask > net.IPv4len*8 || e.SourceScope > net.IPv4len*8 { + return errors.New("dns: bad netmask") + } + addr := make(net.IP, net.IPv4len) + copy(addr, b[4:]) + e.Address = addr.To16() + case 2: + if e.SourceNetmask > net.IPv6len*8 || e.SourceScope > net.IPv6len*8 { + return errors.New("dns: bad netmask") + } + addr := make(net.IP, net.IPv6len) + copy(addr, b[4:]) + e.Address = addr + default: + return errors.New("dns: bad address family") + } + return nil +} + +func (e *EDNS0_SUBNET) String() (s string) { + if e.Address == nil { + s = "" + } else if e.Address.To4() != nil { + s = e.Address.String() + } else { + s = "[" + e.Address.String() + "]" + } + s += "/" + strconv.Itoa(int(e.SourceNetmask)) + "/" + strconv.Itoa(int(e.SourceScope)) + return +} + +func (e *EDNS0_SUBNET) copy() EDNS0 { + return &EDNS0_SUBNET{ + e.Code, + e.Family, + e.SourceNetmask, + e.SourceScope, + e.Address, + } +} + +// The EDNS0_COOKIE option is used to add a DNS Cookie to a message. +// +// o := new(dns.OPT) +// o.Hdr.Name = "." +// o.Hdr.Rrtype = dns.TypeOPT +// e := new(dns.EDNS0_COOKIE) +// e.Code = dns.EDNS0COOKIE +// e.Cookie = "24a5ac.." +// o.Option = append(o.Option, e) +// +// The Cookie field consists out of a client cookie (RFC 7873 Section 4), that is +// always 8 bytes. It may then optionally be followed by the server cookie. The server +// cookie is of variable length, 8 to a maximum of 32 bytes. In other words: +// +// cCookie := o.Cookie[:16] +// sCookie := o.Cookie[16:] +// +// There is no guarantee that the Cookie string has a specific length. +type EDNS0_COOKIE struct { + Code uint16 // Always EDNS0COOKIE + Cookie string // Hex-encoded cookie data +} + +func (e *EDNS0_COOKIE) pack() ([]byte, error) { + h, err := hex.DecodeString(e.Cookie) + if err != nil { + return nil, err + } + return h, nil +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_COOKIE) Option() uint16 { return EDNS0COOKIE } +func (e *EDNS0_COOKIE) unpack(b []byte) error { e.Cookie = hex.EncodeToString(b); return nil } +func (e *EDNS0_COOKIE) String() string { return e.Cookie } +func (e *EDNS0_COOKIE) copy() EDNS0 { return &EDNS0_COOKIE{e.Code, e.Cookie} } + +// The EDNS0_UL (Update Lease) (draft RFC) option is used to tell the server to set +// an expiration on an update RR. This is helpful for clients that cannot clean +// up after themselves. This is a draft RFC and more information can be found at +// https://tools.ietf.org/html/draft-sekar-dns-ul-02 +// +// o := new(dns.OPT) +// o.Hdr.Name = "." +// o.Hdr.Rrtype = dns.TypeOPT +// e := new(dns.EDNS0_UL) +// e.Code = dns.EDNS0UL +// e.Lease = 120 // in seconds +// o.Option = append(o.Option, e) +type EDNS0_UL struct { + Code uint16 // Always EDNS0UL + Lease uint32 + KeyLease uint32 +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_UL) Option() uint16 { return EDNS0UL } +func (e *EDNS0_UL) String() string { return fmt.Sprintf("%d %d", e.Lease, e.KeyLease) } +func (e *EDNS0_UL) copy() EDNS0 { return &EDNS0_UL{e.Code, e.Lease, e.KeyLease} } + +// Copied: http://golang.org/src/pkg/net/dnsmsg.go +func (e *EDNS0_UL) pack() ([]byte, error) { + var b []byte + if e.KeyLease == 0 { + b = make([]byte, 4) + } else { + b = make([]byte, 8) + binary.BigEndian.PutUint32(b[4:], e.KeyLease) + } + binary.BigEndian.PutUint32(b, e.Lease) + return b, nil +} + +func (e *EDNS0_UL) unpack(b []byte) error { + switch len(b) { + case 4: + e.KeyLease = 0 + case 8: + e.KeyLease = binary.BigEndian.Uint32(b[4:]) + default: + return ErrBuf + } + e.Lease = binary.BigEndian.Uint32(b) + return nil +} + +// EDNS0_LLQ stands for Long Lived Queries: http://tools.ietf.org/html/draft-sekar-dns-llq-01 +// Implemented for completeness, as the EDNS0 type code is assigned. +type EDNS0_LLQ struct { + Code uint16 // Always EDNS0LLQ + Version uint16 + Opcode uint16 + Error uint16 + Id uint64 + LeaseLife uint32 +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_LLQ) Option() uint16 { return EDNS0LLQ } + +func (e *EDNS0_LLQ) pack() ([]byte, error) { + b := make([]byte, 18) + binary.BigEndian.PutUint16(b[0:], e.Version) + binary.BigEndian.PutUint16(b[2:], e.Opcode) + binary.BigEndian.PutUint16(b[4:], e.Error) + binary.BigEndian.PutUint64(b[6:], e.Id) + binary.BigEndian.PutUint32(b[14:], e.LeaseLife) + return b, nil +} + +func (e *EDNS0_LLQ) unpack(b []byte) error { + if len(b) < 18 { + return ErrBuf + } + e.Version = binary.BigEndian.Uint16(b[0:]) + e.Opcode = binary.BigEndian.Uint16(b[2:]) + e.Error = binary.BigEndian.Uint16(b[4:]) + e.Id = binary.BigEndian.Uint64(b[6:]) + e.LeaseLife = binary.BigEndian.Uint32(b[14:]) + return nil +} + +func (e *EDNS0_LLQ) String() string { + s := strconv.FormatUint(uint64(e.Version), 10) + " " + strconv.FormatUint(uint64(e.Opcode), 10) + + " " + strconv.FormatUint(uint64(e.Error), 10) + " " + strconv.FormatUint(e.Id, 10) + + " " + strconv.FormatUint(uint64(e.LeaseLife), 10) + return s +} +func (e *EDNS0_LLQ) copy() EDNS0 { + return &EDNS0_LLQ{e.Code, e.Version, e.Opcode, e.Error, e.Id, e.LeaseLife} +} + +// EDNS0_DAU implements the EDNS0 "DNSSEC Algorithm Understood" option. See RFC 6975. +type EDNS0_DAU struct { + Code uint16 // Always EDNS0DAU + AlgCode []uint8 +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_DAU) Option() uint16 { return EDNS0DAU } +func (e *EDNS0_DAU) pack() ([]byte, error) { return e.AlgCode, nil } +func (e *EDNS0_DAU) unpack(b []byte) error { e.AlgCode = b; return nil } + +func (e *EDNS0_DAU) String() string { + s := "" + for _, alg := range e.AlgCode { + if a, ok := AlgorithmToString[alg]; ok { + s += " " + a + } else { + s += " " + strconv.Itoa(int(alg)) + } + } + return s +} +func (e *EDNS0_DAU) copy() EDNS0 { return &EDNS0_DAU{e.Code, e.AlgCode} } + +// EDNS0_DHU implements the EDNS0 "DS Hash Understood" option. See RFC 6975. +type EDNS0_DHU struct { + Code uint16 // Always EDNS0DHU + AlgCode []uint8 +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_DHU) Option() uint16 { return EDNS0DHU } +func (e *EDNS0_DHU) pack() ([]byte, error) { return e.AlgCode, nil } +func (e *EDNS0_DHU) unpack(b []byte) error { e.AlgCode = b; return nil } + +func (e *EDNS0_DHU) String() string { + s := "" + for _, alg := range e.AlgCode { + if a, ok := HashToString[alg]; ok { + s += " " + a + } else { + s += " " + strconv.Itoa(int(alg)) + } + } + return s +} +func (e *EDNS0_DHU) copy() EDNS0 { return &EDNS0_DHU{e.Code, e.AlgCode} } + +// EDNS0_N3U implements the EDNS0 "NSEC3 Hash Understood" option. See RFC 6975. +type EDNS0_N3U struct { + Code uint16 // Always EDNS0N3U + AlgCode []uint8 +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_N3U) Option() uint16 { return EDNS0N3U } +func (e *EDNS0_N3U) pack() ([]byte, error) { return e.AlgCode, nil } +func (e *EDNS0_N3U) unpack(b []byte) error { e.AlgCode = b; return nil } + +func (e *EDNS0_N3U) String() string { + // Re-use the hash map + s := "" + for _, alg := range e.AlgCode { + if a, ok := HashToString[alg]; ok { + s += " " + a + } else { + s += " " + strconv.Itoa(int(alg)) + } + } + return s +} +func (e *EDNS0_N3U) copy() EDNS0 { return &EDNS0_N3U{e.Code, e.AlgCode} } + +// EDNS0_EXPIRE implements the EDNS0 option as described in RFC 7314. +type EDNS0_EXPIRE struct { + Code uint16 // Always EDNS0EXPIRE + Expire uint32 + Empty bool // Empty is used to signal an empty Expire option in a backwards compatible way, it's not used on the wire. +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_EXPIRE) Option() uint16 { return EDNS0EXPIRE } +func (e *EDNS0_EXPIRE) copy() EDNS0 { return &EDNS0_EXPIRE{e.Code, e.Expire, e.Empty} } + +func (e *EDNS0_EXPIRE) pack() ([]byte, error) { + if e.Empty { + return []byte{}, nil + } + b := make([]byte, 4) + binary.BigEndian.PutUint32(b, e.Expire) + return b, nil +} + +func (e *EDNS0_EXPIRE) unpack(b []byte) error { + if len(b) == 0 { + // zero-length EXPIRE query, see RFC 7314 Section 2 + e.Empty = true + return nil + } + if len(b) < 4 { + return ErrBuf + } + e.Expire = binary.BigEndian.Uint32(b) + e.Empty = false + return nil +} + +func (e *EDNS0_EXPIRE) String() (s string) { + if e.Empty { + return "" + } + return strconv.FormatUint(uint64(e.Expire), 10) +} + +// The EDNS0_LOCAL option is used for local/experimental purposes. The option +// code is recommended to be within the range [EDNS0LOCALSTART, EDNS0LOCALEND] +// (RFC6891), although any unassigned code can actually be used. The content of +// the option is made available in Data, unaltered. +// Basic use pattern for creating a local option: +// +// o := new(dns.OPT) +// o.Hdr.Name = "." +// o.Hdr.Rrtype = dns.TypeOPT +// e := new(dns.EDNS0_LOCAL) +// e.Code = dns.EDNS0LOCALSTART +// e.Data = []byte{72, 82, 74} +// o.Option = append(o.Option, e) +type EDNS0_LOCAL struct { + Code uint16 + Data []byte +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_LOCAL) Option() uint16 { return e.Code } +func (e *EDNS0_LOCAL) String() string { + return strconv.FormatInt(int64(e.Code), 10) + ":0x" + hex.EncodeToString(e.Data) +} +func (e *EDNS0_LOCAL) copy() EDNS0 { + b := make([]byte, len(e.Data)) + copy(b, e.Data) + return &EDNS0_LOCAL{e.Code, b} +} + +func (e *EDNS0_LOCAL) pack() ([]byte, error) { + b := make([]byte, len(e.Data)) + copied := copy(b, e.Data) + if copied != len(e.Data) { + return nil, ErrBuf + } + return b, nil +} + +func (e *EDNS0_LOCAL) unpack(b []byte) error { + e.Data = make([]byte, len(b)) + copied := copy(e.Data, b) + if copied != len(b) { + return ErrBuf + } + return nil +} + +// EDNS0_TCP_KEEPALIVE is an EDNS0 option that instructs the server to keep +// the TCP connection alive. See RFC 7828. +type EDNS0_TCP_KEEPALIVE struct { + Code uint16 // Always EDNSTCPKEEPALIVE + + // Timeout is an idle timeout value for the TCP connection, specified in + // units of 100 milliseconds, encoded in network byte order. If set to 0, + // pack will return a nil slice. + Timeout uint16 + + // Length is the option's length. + // Deprecated: this field is deprecated and is always equal to 0. + Length uint16 +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_TCP_KEEPALIVE) Option() uint16 { return EDNS0TCPKEEPALIVE } + +func (e *EDNS0_TCP_KEEPALIVE) pack() ([]byte, error) { + if e.Timeout > 0 { + b := make([]byte, 2) + binary.BigEndian.PutUint16(b, e.Timeout) + return b, nil + } + return nil, nil +} + +func (e *EDNS0_TCP_KEEPALIVE) unpack(b []byte) error { + switch len(b) { + case 0: + case 2: + e.Timeout = binary.BigEndian.Uint16(b) + default: + return fmt.Errorf("dns: length mismatch, want 0/2 but got %d", len(b)) + } + return nil +} + +func (e *EDNS0_TCP_KEEPALIVE) String() string { + s := "use tcp keep-alive" + if e.Timeout == 0 { + s += ", timeout omitted" + } else { + s += fmt.Sprintf(", timeout %dms", e.Timeout*100) + } + return s +} + +func (e *EDNS0_TCP_KEEPALIVE) copy() EDNS0 { return &EDNS0_TCP_KEEPALIVE{e.Code, e.Timeout, e.Length} } + +// EDNS0_PADDING option is used to add padding to a request/response. The default +// value of padding SHOULD be 0x0 but other values MAY be used, for instance if +// compression is applied before encryption which may break signatures. +type EDNS0_PADDING struct { + Padding []byte +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_PADDING) Option() uint16 { return EDNS0PADDING } +func (e *EDNS0_PADDING) pack() ([]byte, error) { return e.Padding, nil } +func (e *EDNS0_PADDING) unpack(b []byte) error { e.Padding = b; return nil } +func (e *EDNS0_PADDING) String() string { return fmt.Sprintf("%0X", e.Padding) } +func (e *EDNS0_PADDING) copy() EDNS0 { + b := make([]byte, len(e.Padding)) + copy(b, e.Padding) + return &EDNS0_PADDING{b} +} + +// Extended DNS Error Codes (RFC 8914). +const ( + ExtendedErrorCodeOther uint16 = iota + ExtendedErrorCodeUnsupportedDNSKEYAlgorithm + ExtendedErrorCodeUnsupportedDSDigestType + ExtendedErrorCodeStaleAnswer + ExtendedErrorCodeForgedAnswer + ExtendedErrorCodeDNSSECIndeterminate + ExtendedErrorCodeDNSBogus + ExtendedErrorCodeSignatureExpired + ExtendedErrorCodeSignatureNotYetValid + ExtendedErrorCodeDNSKEYMissing + ExtendedErrorCodeRRSIGsMissing + ExtendedErrorCodeNoZoneKeyBitSet + ExtendedErrorCodeNSECMissing + ExtendedErrorCodeCachedError + ExtendedErrorCodeNotReady + ExtendedErrorCodeBlocked + ExtendedErrorCodeCensored + ExtendedErrorCodeFiltered + ExtendedErrorCodeProhibited + ExtendedErrorCodeStaleNXDOMAINAnswer + ExtendedErrorCodeNotAuthoritative + ExtendedErrorCodeNotSupported + ExtendedErrorCodeNoReachableAuthority + ExtendedErrorCodeNetworkError + ExtendedErrorCodeInvalidData +) + +// ExtendedErrorCodeToString maps extended error info codes to a human readable +// description. +var ExtendedErrorCodeToString = map[uint16]string{ + ExtendedErrorCodeOther: "Other", + ExtendedErrorCodeUnsupportedDNSKEYAlgorithm: "Unsupported DNSKEY Algorithm", + ExtendedErrorCodeUnsupportedDSDigestType: "Unsupported DS Digest Type", + ExtendedErrorCodeStaleAnswer: "Stale Answer", + ExtendedErrorCodeForgedAnswer: "Forged Answer", + ExtendedErrorCodeDNSSECIndeterminate: "DNSSEC Indeterminate", + ExtendedErrorCodeDNSBogus: "DNSSEC Bogus", + ExtendedErrorCodeSignatureExpired: "Signature Expired", + ExtendedErrorCodeSignatureNotYetValid: "Signature Not Yet Valid", + ExtendedErrorCodeDNSKEYMissing: "DNSKEY Missing", + ExtendedErrorCodeRRSIGsMissing: "RRSIGs Missing", + ExtendedErrorCodeNoZoneKeyBitSet: "No Zone Key Bit Set", + ExtendedErrorCodeNSECMissing: "NSEC Missing", + ExtendedErrorCodeCachedError: "Cached Error", + ExtendedErrorCodeNotReady: "Not Ready", + ExtendedErrorCodeBlocked: "Blocked", + ExtendedErrorCodeCensored: "Censored", + ExtendedErrorCodeFiltered: "Filtered", + ExtendedErrorCodeProhibited: "Prohibited", + ExtendedErrorCodeStaleNXDOMAINAnswer: "Stale NXDOMAIN Answer", + ExtendedErrorCodeNotAuthoritative: "Not Authoritative", + ExtendedErrorCodeNotSupported: "Not Supported", + ExtendedErrorCodeNoReachableAuthority: "No Reachable Authority", + ExtendedErrorCodeNetworkError: "Network Error", + ExtendedErrorCodeInvalidData: "Invalid Data", +} + +// StringToExtendedErrorCode is a map from human readable descriptions to +// extended error info codes. +var StringToExtendedErrorCode = reverseInt16(ExtendedErrorCodeToString) + +// EDNS0_EDE option is used to return additional information about the cause of +// DNS errors. +type EDNS0_EDE struct { + InfoCode uint16 + ExtraText string +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_EDE) Option() uint16 { return EDNS0EDE } +func (e *EDNS0_EDE) copy() EDNS0 { return &EDNS0_EDE{e.InfoCode, e.ExtraText} } + +func (e *EDNS0_EDE) String() string { + info := strconv.FormatUint(uint64(e.InfoCode), 10) + if s, ok := ExtendedErrorCodeToString[e.InfoCode]; ok { + info += fmt.Sprintf(" (%s)", s) + } + return fmt.Sprintf("%s: (%s)", info, e.ExtraText) +} + +func (e *EDNS0_EDE) pack() ([]byte, error) { + b := make([]byte, 2+len(e.ExtraText)) + binary.BigEndian.PutUint16(b[0:], e.InfoCode) + copy(b[2:], []byte(e.ExtraText)) + return b, nil +} + +func (e *EDNS0_EDE) unpack(b []byte) error { + if len(b) < 2 { + return ErrBuf + } + e.InfoCode = binary.BigEndian.Uint16(b[0:]) + e.ExtraText = string(b[2:]) + return nil +} + +// The EDNS0_ESU option for ENUM Source-URI Extension +type EDNS0_ESU struct { + Code uint16 + Uri string +} + +// Option implements the EDNS0 interface. +func (e *EDNS0_ESU) Option() uint16 { return EDNS0ESU } +func (e *EDNS0_ESU) String() string { return e.Uri } +func (e *EDNS0_ESU) copy() EDNS0 { return &EDNS0_ESU{e.Code, e.Uri} } +func (e *EDNS0_ESU) pack() ([]byte, error) { return []byte(e.Uri), nil } +func (e *EDNS0_ESU) unpack(b []byte) error { + e.Uri = string(b) + return nil +} diff --git a/vendor/github.com/miekg/dns/format.go b/vendor/github.com/miekg/dns/format.go new file mode 100644 index 000000000..0ec79f2fc --- /dev/null +++ b/vendor/github.com/miekg/dns/format.go @@ -0,0 +1,93 @@ +package dns + +import ( + "net" + "reflect" + "strconv" +) + +// NumField returns the number of rdata fields r has. +func NumField(r RR) int { + return reflect.ValueOf(r).Elem().NumField() - 1 // Remove RR_Header +} + +// Field returns the rdata field i as a string. Fields are indexed starting from 1. +// RR types that holds slice data, for instance the NSEC type bitmap will return a single +// string where the types are concatenated using a space. +// Accessing non existing fields will cause a panic. +func Field(r RR, i int) string { + if i == 0 { + return "" + } + d := reflect.ValueOf(r).Elem().Field(i) + switch d.Kind() { + case reflect.String: + return d.String() + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + return strconv.FormatInt(d.Int(), 10) + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: + return strconv.FormatUint(d.Uint(), 10) + case reflect.Slice: + switch reflect.ValueOf(r).Elem().Type().Field(i).Tag { + case `dns:"a"`: + // TODO(miek): Hmm store this as 16 bytes + if d.Len() < net.IPv4len { + return "" + } + if d.Len() < net.IPv6len { + return net.IPv4(byte(d.Index(0).Uint()), + byte(d.Index(1).Uint()), + byte(d.Index(2).Uint()), + byte(d.Index(3).Uint())).String() + } + return net.IPv4(byte(d.Index(12).Uint()), + byte(d.Index(13).Uint()), + byte(d.Index(14).Uint()), + byte(d.Index(15).Uint())).String() + case `dns:"aaaa"`: + if d.Len() < net.IPv6len { + return "" + } + return net.IP{ + byte(d.Index(0).Uint()), + byte(d.Index(1).Uint()), + byte(d.Index(2).Uint()), + byte(d.Index(3).Uint()), + byte(d.Index(4).Uint()), + byte(d.Index(5).Uint()), + byte(d.Index(6).Uint()), + byte(d.Index(7).Uint()), + byte(d.Index(8).Uint()), + byte(d.Index(9).Uint()), + byte(d.Index(10).Uint()), + byte(d.Index(11).Uint()), + byte(d.Index(12).Uint()), + byte(d.Index(13).Uint()), + byte(d.Index(14).Uint()), + byte(d.Index(15).Uint()), + }.String() + case `dns:"nsec"`: + if d.Len() == 0 { + return "" + } + s := Type(d.Index(0).Uint()).String() + for i := 1; i < d.Len(); i++ { + s += " " + Type(d.Index(i).Uint()).String() + } + return s + default: + // if it does not have a tag its a string slice + fallthrough + case `dns:"txt"`: + if d.Len() == 0 { + return "" + } + s := d.Index(0).String() + for i := 1; i < d.Len(); i++ { + s += " " + d.Index(i).String() + } + return s + } + } + return "" +} diff --git a/vendor/github.com/miekg/dns/fuzz.go b/vendor/github.com/miekg/dns/fuzz.go new file mode 100644 index 000000000..57410acda --- /dev/null +++ b/vendor/github.com/miekg/dns/fuzz.go @@ -0,0 +1,32 @@ +// +build fuzz + +package dns + +import "strings" + +func Fuzz(data []byte) int { + msg := new(Msg) + + if err := msg.Unpack(data); err != nil { + return 0 + } + if _, err := msg.Pack(); err != nil { + return 0 + } + + return 1 +} + +func FuzzNewRR(data []byte) int { + str := string(data) + // Do not fuzz lines that include the $INCLUDE keyword and hint the fuzzer + // at avoiding them. + // See GH#1025 for context. + if strings.Contains(strings.ToUpper(str), "$INCLUDE") { + return -1 + } + if _, err := NewRR(str); err != nil { + return 0 + } + return 1 +} diff --git a/vendor/github.com/miekg/dns/generate.go b/vendor/github.com/miekg/dns/generate.go new file mode 100644 index 000000000..ac8df34dd --- /dev/null +++ b/vendor/github.com/miekg/dns/generate.go @@ -0,0 +1,247 @@ +package dns + +import ( + "bytes" + "fmt" + "io" + "strconv" + "strings" +) + +// Parse the $GENERATE statement as used in BIND9 zones. +// See http://www.zytrax.com/books/dns/ch8/generate.html for instance. +// We are called after '$GENERATE '. After which we expect: +// * the range (12-24/2) +// * lhs (ownername) +// * [[ttl][class]] +// * type +// * rhs (rdata) +// But we are lazy here, only the range is parsed *all* occurrences +// of $ after that are interpreted. +func (zp *ZoneParser) generate(l lex) (RR, bool) { + token := l.token + step := int64(1) + if i := strings.IndexByte(token, '/'); i >= 0 { + if i+1 == len(token) { + return zp.setParseError("bad step in $GENERATE range", l) + } + + s, err := strconv.ParseInt(token[i+1:], 10, 64) + if err != nil || s <= 0 { + return zp.setParseError("bad step in $GENERATE range", l) + } + + step = s + token = token[:i] + } + + sx := strings.SplitN(token, "-", 2) + if len(sx) != 2 { + return zp.setParseError("bad start-stop in $GENERATE range", l) + } + + start, err := strconv.ParseInt(sx[0], 10, 64) + if err != nil { + return zp.setParseError("bad start in $GENERATE range", l) + } + + end, err := strconv.ParseInt(sx[1], 10, 64) + if err != nil { + return zp.setParseError("bad stop in $GENERATE range", l) + } + if end < 0 || start < 0 || end < start || (end-start)/step > 65535 { + return zp.setParseError("bad range in $GENERATE range", l) + } + + // _BLANK + l, ok := zp.c.Next() + if !ok || l.value != zBlank { + return zp.setParseError("garbage after $GENERATE range", l) + } + + // Create a complete new string, which we then parse again. + var s string + for l, ok := zp.c.Next(); ok; l, ok = zp.c.Next() { + if l.err { + return zp.setParseError("bad data in $GENERATE directive", l) + } + if l.value == zNewline { + break + } + + s += l.token + } + + r := &generateReader{ + s: s, + + cur: start, + start: start, + end: end, + step: step, + + file: zp.file, + lex: &l, + } + zp.sub = NewZoneParser(r, zp.origin, zp.file) + zp.sub.includeDepth, zp.sub.includeAllowed = zp.includeDepth, zp.includeAllowed + zp.sub.generateDisallowed = true + zp.sub.SetDefaultTTL(defaultTtl) + return zp.subNext() +} + +type generateReader struct { + s string + si int + + cur int64 + start int64 + end int64 + step int64 + + mod bytes.Buffer + + escape bool + + eof bool + + file string + lex *lex +} + +func (r *generateReader) parseError(msg string, end int) *ParseError { + r.eof = true // Make errors sticky. + + l := *r.lex + l.token = r.s[r.si-1 : end] + l.column += r.si // l.column starts one zBLANK before r.s + + return &ParseError{r.file, msg, l} +} + +func (r *generateReader) Read(p []byte) (int, error) { + // NewZLexer, through NewZoneParser, should use ReadByte and + // not end up here. + + panic("not implemented") +} + +func (r *generateReader) ReadByte() (byte, error) { + if r.eof { + return 0, io.EOF + } + if r.mod.Len() > 0 { + return r.mod.ReadByte() + } + + if r.si >= len(r.s) { + r.si = 0 + r.cur += r.step + + r.eof = r.cur > r.end || r.cur < 0 + return '\n', nil + } + + si := r.si + r.si++ + + switch r.s[si] { + case '\\': + if r.escape { + r.escape = false + return '\\', nil + } + + r.escape = true + return r.ReadByte() + case '$': + if r.escape { + r.escape = false + return '$', nil + } + + mod := "%d" + + if si >= len(r.s)-1 { + // End of the string + fmt.Fprintf(&r.mod, mod, r.cur) + return r.mod.ReadByte() + } + + if r.s[si+1] == '$' { + r.si++ + return '$', nil + } + + var offset int64 + + // Search for { and } + if r.s[si+1] == '{' { + // Modifier block + sep := strings.Index(r.s[si+2:], "}") + if sep < 0 { + return 0, r.parseError("bad modifier in $GENERATE", len(r.s)) + } + + var errMsg string + mod, offset, errMsg = modToPrintf(r.s[si+2 : si+2+sep]) + if errMsg != "" { + return 0, r.parseError(errMsg, si+3+sep) + } + if r.start+offset < 0 || r.end+offset > 1<<31-1 { + return 0, r.parseError("bad offset in $GENERATE", si+3+sep) + } + + r.si += 2 + sep // Jump to it + } + + fmt.Fprintf(&r.mod, mod, r.cur+offset) + return r.mod.ReadByte() + default: + if r.escape { // Pretty useless here + r.escape = false + return r.ReadByte() + } + + return r.s[si], nil + } +} + +// Convert a $GENERATE modifier 0,0,d to something Printf can deal with. +func modToPrintf(s string) (string, int64, string) { + // Modifier is { offset [ ,width [ ,base ] ] } - provide default + // values for optional width and type, if necessary. + var offStr, widthStr, base string + switch xs := strings.Split(s, ","); len(xs) { + case 1: + offStr, widthStr, base = xs[0], "0", "d" + case 2: + offStr, widthStr, base = xs[0], xs[1], "d" + case 3: + offStr, widthStr, base = xs[0], xs[1], xs[2] + default: + return "", 0, "bad modifier in $GENERATE" + } + + switch base { + case "o", "d", "x", "X": + default: + return "", 0, "bad base in $GENERATE" + } + + offset, err := strconv.ParseInt(offStr, 10, 64) + if err != nil { + return "", 0, "bad offset in $GENERATE" + } + + width, err := strconv.ParseInt(widthStr, 10, 64) + if err != nil || width < 0 || width > 255 { + return "", 0, "bad width in $GENERATE" + } + + if width == 0 { + return "%" + base, offset, "" + } + + return "%0" + widthStr + base, offset, "" +} diff --git a/vendor/github.com/miekg/dns/hash.go b/vendor/github.com/miekg/dns/hash.go new file mode 100644 index 000000000..7d4183e02 --- /dev/null +++ b/vendor/github.com/miekg/dns/hash.go @@ -0,0 +1,31 @@ +package dns + +import ( + "bytes" + "crypto" + "hash" +) + +// identityHash will not hash, it only buffers the data written into it and returns it as-is. +type identityHash struct { + b *bytes.Buffer +} + +// Implement the hash.Hash interface. + +func (i identityHash) Write(b []byte) (int, error) { return i.b.Write(b) } +func (i identityHash) Size() int { return i.b.Len() } +func (i identityHash) BlockSize() int { return 1024 } +func (i identityHash) Reset() { i.b.Reset() } +func (i identityHash) Sum(b []byte) []byte { return append(b, i.b.Bytes()...) } + +func hashFromAlgorithm(alg uint8) (hash.Hash, crypto.Hash, error) { + hashnumber, ok := AlgorithmToHash[alg] + if !ok { + return nil, 0, ErrAlg + } + if hashnumber == 0 { + return identityHash{b: &bytes.Buffer{}}, hashnumber, nil + } + return hashnumber.New(), hashnumber, nil +} diff --git a/vendor/github.com/miekg/dns/labels.go b/vendor/github.com/miekg/dns/labels.go new file mode 100644 index 000000000..f9faacfeb --- /dev/null +++ b/vendor/github.com/miekg/dns/labels.go @@ -0,0 +1,212 @@ +package dns + +// Holds a bunch of helper functions for dealing with labels. + +// SplitDomainName splits a name string into it's labels. +// www.miek.nl. returns []string{"www", "miek", "nl"} +// .www.miek.nl. returns []string{"", "www", "miek", "nl"}, +// The root label (.) returns nil. Note that using +// strings.Split(s) will work in most cases, but does not handle +// escaped dots (\.) for instance. +// s must be a syntactically valid domain name, see IsDomainName. +func SplitDomainName(s string) (labels []string) { + if s == "" { + return nil + } + fqdnEnd := 0 // offset of the final '.' or the length of the name + idx := Split(s) + begin := 0 + if IsFqdn(s) { + fqdnEnd = len(s) - 1 + } else { + fqdnEnd = len(s) + } + + switch len(idx) { + case 0: + return nil + case 1: + // no-op + default: + for _, end := range idx[1:] { + labels = append(labels, s[begin:end-1]) + begin = end + } + } + + return append(labels, s[begin:fqdnEnd]) +} + +// CompareDomainName compares the names s1 and s2 and +// returns how many labels they have in common starting from the *right*. +// The comparison stops at the first inequality. The names are downcased +// before the comparison. +// +// www.miek.nl. and miek.nl. have two labels in common: miek and nl +// www.miek.nl. and www.bla.nl. have one label in common: nl +// +// s1 and s2 must be syntactically valid domain names. +func CompareDomainName(s1, s2 string) (n int) { + // the first check: root label + if s1 == "." || s2 == "." { + return 0 + } + + l1 := Split(s1) + l2 := Split(s2) + + j1 := len(l1) - 1 // end + i1 := len(l1) - 2 // start + j2 := len(l2) - 1 + i2 := len(l2) - 2 + // the second check can be done here: last/only label + // before we fall through into the for-loop below + if equal(s1[l1[j1]:], s2[l2[j2]:]) { + n++ + } else { + return + } + for { + if i1 < 0 || i2 < 0 { + break + } + if equal(s1[l1[i1]:l1[j1]], s2[l2[i2]:l2[j2]]) { + n++ + } else { + break + } + j1-- + i1-- + j2-- + i2-- + } + return +} + +// CountLabel counts the number of labels in the string s. +// s must be a syntactically valid domain name. +func CountLabel(s string) (labels int) { + if s == "." { + return + } + off := 0 + end := false + for { + off, end = NextLabel(s, off) + labels++ + if end { + return + } + } +} + +// Split splits a name s into its label indexes. +// www.miek.nl. returns []int{0, 4, 9}, www.miek.nl also returns []int{0, 4, 9}. +// The root name (.) returns nil. Also see SplitDomainName. +// s must be a syntactically valid domain name. +func Split(s string) []int { + if s == "." { + return nil + } + idx := make([]int, 1, 3) + off := 0 + end := false + + for { + off, end = NextLabel(s, off) + if end { + return idx + } + idx = append(idx, off) + } +} + +// NextLabel returns the index of the start of the next label in the +// string s starting at offset. +// The bool end is true when the end of the string has been reached. +// Also see PrevLabel. +func NextLabel(s string, offset int) (i int, end bool) { + if s == "" { + return 0, true + } + for i = offset; i < len(s)-1; i++ { + if s[i] != '.' { + continue + } + j := i - 1 + for j >= 0 && s[j] == '\\' { + j-- + } + + if (j-i)%2 == 0 { + continue + } + + return i + 1, false + } + return i + 1, true +} + +// PrevLabel returns the index of the label when starting from the right and +// jumping n labels to the left. +// The bool start is true when the start of the string has been overshot. +// Also see NextLabel. +func PrevLabel(s string, n int) (i int, start bool) { + if s == "" { + return 0, true + } + if n == 0 { + return len(s), false + } + + l := len(s) - 1 + if s[l] == '.' { + l-- + } + + for ; l >= 0 && n > 0; l-- { + if s[l] != '.' { + continue + } + j := l - 1 + for j >= 0 && s[j] == '\\' { + j-- + } + + if (j-l)%2 == 0 { + continue + } + + n-- + if n == 0 { + return l + 1, false + } + } + + return 0, n > 1 +} + +// equal compares a and b while ignoring case. It returns true when equal otherwise false. +func equal(a, b string) bool { + // might be lifted into API function. + la := len(a) + lb := len(b) + if la != lb { + return false + } + + for i := la - 1; i >= 0; i-- { + ai := a[i] + bi := b[i] + if ai >= 'A' && ai <= 'Z' { + ai |= 'a' - 'A' + } + if bi >= 'A' && bi <= 'Z' { + bi |= 'a' - 'A' + } + if ai != bi { + return false + } + } + return true +} diff --git a/vendor/github.com/miekg/dns/listen_no_reuseport.go b/vendor/github.com/miekg/dns/listen_no_reuseport.go new file mode 100644 index 000000000..b9201417a --- /dev/null +++ b/vendor/github.com/miekg/dns/listen_no_reuseport.go @@ -0,0 +1,23 @@ +// +build !go1.11 !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd + +package dns + +import "net" + +const supportsReusePort = false + +func listenTCP(network, addr string, reuseport bool) (net.Listener, error) { + if reuseport { + // TODO(tmthrgd): return an error? + } + + return net.Listen(network, addr) +} + +func listenUDP(network, addr string, reuseport bool) (net.PacketConn, error) { + if reuseport { + // TODO(tmthrgd): return an error? + } + + return net.ListenPacket(network, addr) +} diff --git a/vendor/github.com/miekg/dns/listen_reuseport.go b/vendor/github.com/miekg/dns/listen_reuseport.go new file mode 100644 index 000000000..fad195cfe --- /dev/null +++ b/vendor/github.com/miekg/dns/listen_reuseport.go @@ -0,0 +1,44 @@ +// +build go1.11 +// +build aix darwin dragonfly freebsd linux netbsd openbsd + +package dns + +import ( + "context" + "net" + "syscall" + + "golang.org/x/sys/unix" +) + +const supportsReusePort = true + +func reuseportControl(network, address string, c syscall.RawConn) error { + var opErr error + err := c.Control(func(fd uintptr) { + opErr = unix.SetsockoptInt(int(fd), unix.SOL_SOCKET, unix.SO_REUSEPORT, 1) + }) + if err != nil { + return err + } + + return opErr +} + +func listenTCP(network, addr string, reuseport bool) (net.Listener, error) { + var lc net.ListenConfig + if reuseport { + lc.Control = reuseportControl + } + + return lc.Listen(context.Background(), network, addr) +} + +func listenUDP(network, addr string, reuseport bool) (net.PacketConn, error) { + var lc net.ListenConfig + if reuseport { + lc.Control = reuseportControl + } + + return lc.ListenPacket(context.Background(), network, addr) +} diff --git a/vendor/github.com/miekg/dns/msg.go b/vendor/github.com/miekg/dns/msg.go new file mode 100644 index 000000000..60a2e8c3d --- /dev/null +++ b/vendor/github.com/miekg/dns/msg.go @@ -0,0 +1,1202 @@ +// DNS packet assembly, see RFC 1035. Converting from - Unpack() - +// and to - Pack() - wire format. +// All the packers and unpackers take a (msg []byte, off int) +// and return (off1 int, ok bool). If they return ok==false, they +// also return off1==len(msg), so that the next unpacker will +// also fail. This lets us avoid checks of ok until the end of a +// packing sequence. + +package dns + +//go:generate go run msg_generate.go + +import ( + "crypto/rand" + "encoding/binary" + "fmt" + "math/big" + "strconv" + "strings" +) + +const ( + maxCompressionOffset = 2 << 13 // We have 14 bits for the compression pointer + maxDomainNameWireOctets = 255 // See RFC 1035 section 2.3.4 + + // This is the maximum number of compression pointers that should occur in a + // semantically valid message. Each label in a domain name must be at least one + // octet and is separated by a period. The root label won't be represented by a + // compression pointer to a compression pointer, hence the -2 to exclude the + // smallest valid root label. + // + // It is possible to construct a valid message that has more compression pointers + // than this, and still doesn't loop, by pointing to a previous pointer. This is + // not something a well written implementation should ever do, so we leave them + // to trip the maximum compression pointer check. + maxCompressionPointers = (maxDomainNameWireOctets+1)/2 - 2 + + // This is the maximum length of a domain name in presentation format. The + // maximum wire length of a domain name is 255 octets (see above), with the + // maximum label length being 63. The wire format requires one extra byte over + // the presentation format, reducing the number of octets by 1. Each label in + // the name will be separated by a single period, with each octet in the label + // expanding to at most 4 bytes (\DDD). If all other labels are of the maximum + // length, then the final label can only be 61 octets long to not exceed the + // maximum allowed wire length. + maxDomainNamePresentationLength = 61*4 + 1 + 63*4 + 1 + 63*4 + 1 + 63*4 + 1 +) + +// Errors defined in this package. +var ( + ErrAlg error = &Error{err: "bad algorithm"} // ErrAlg indicates an error with the (DNSSEC) algorithm. + ErrAuth error = &Error{err: "bad authentication"} // ErrAuth indicates an error in the TSIG authentication. + ErrBuf error = &Error{err: "buffer size too small"} // ErrBuf indicates that the buffer used is too small for the message. + ErrConnEmpty error = &Error{err: "conn has no connection"} // ErrConnEmpty indicates a connection is being used before it is initialized. + ErrExtendedRcode error = &Error{err: "bad extended rcode"} // ErrExtendedRcode ... + ErrFqdn error = &Error{err: "domain must be fully qualified"} // ErrFqdn indicates that a domain name does not have a closing dot. + ErrId error = &Error{err: "id mismatch"} // ErrId indicates there is a mismatch with the message's ID. + ErrKeyAlg error = &Error{err: "bad key algorithm"} // ErrKeyAlg indicates that the algorithm in the key is not valid. + ErrKey error = &Error{err: "bad key"} + ErrKeySize error = &Error{err: "bad key size"} + ErrLongDomain error = &Error{err: fmt.Sprintf("domain name exceeded %d wire-format octets", maxDomainNameWireOctets)} + ErrNoSig error = &Error{err: "no signature found"} + ErrPrivKey error = &Error{err: "bad private key"} + ErrRcode error = &Error{err: "bad rcode"} + ErrRdata error = &Error{err: "bad rdata"} + ErrRRset error = &Error{err: "bad rrset"} + ErrSecret error = &Error{err: "no secrets defined"} + ErrShortRead error = &Error{err: "short read"} + ErrSig error = &Error{err: "bad signature"} // ErrSig indicates that a signature can not be cryptographically validated. + ErrSoa error = &Error{err: "no SOA"} // ErrSOA indicates that no SOA RR was seen when doing zone transfers. + ErrTime error = &Error{err: "bad time"} // ErrTime indicates a timing error in TSIG authentication. +) + +// Id by default returns a 16-bit random number to be used as a message id. The +// number is drawn from a cryptographically secure random number generator. +// This being a variable the function can be reassigned to a custom function. +// For instance, to make it return a static value for testing: +// +// dns.Id = func() uint16 { return 3 } +var Id = id + +// id returns a 16 bits random number to be used as a +// message id. The random provided should be good enough. +func id() uint16 { + var output uint16 + err := binary.Read(rand.Reader, binary.BigEndian, &output) + if err != nil { + panic("dns: reading random id failed: " + err.Error()) + } + return output +} + +// MsgHdr is a a manually-unpacked version of (id, bits). +type MsgHdr struct { + Id uint16 + Response bool + Opcode int + Authoritative bool + Truncated bool + RecursionDesired bool + RecursionAvailable bool + Zero bool + AuthenticatedData bool + CheckingDisabled bool + Rcode int +} + +// Msg contains the layout of a DNS message. +type Msg struct { + MsgHdr + Compress bool `json:"-"` // If true, the message will be compressed when converted to wire format. + Question []Question // Holds the RR(s) of the question section. + Answer []RR // Holds the RR(s) of the answer section. + Ns []RR // Holds the RR(s) of the authority section. + Extra []RR // Holds the RR(s) of the additional section. +} + +// ClassToString is a maps Classes to strings for each CLASS wire type. +var ClassToString = map[uint16]string{ + ClassINET: "IN", + ClassCSNET: "CS", + ClassCHAOS: "CH", + ClassHESIOD: "HS", + ClassNONE: "NONE", + ClassANY: "ANY", +} + +// OpcodeToString maps Opcodes to strings. +var OpcodeToString = map[int]string{ + OpcodeQuery: "QUERY", + OpcodeIQuery: "IQUERY", + OpcodeStatus: "STATUS", + OpcodeNotify: "NOTIFY", + OpcodeUpdate: "UPDATE", +} + +// RcodeToString maps Rcodes to strings. +var RcodeToString = map[int]string{ + RcodeSuccess: "NOERROR", + RcodeFormatError: "FORMERR", + RcodeServerFailure: "SERVFAIL", + RcodeNameError: "NXDOMAIN", + RcodeNotImplemented: "NOTIMP", + RcodeRefused: "REFUSED", + RcodeYXDomain: "YXDOMAIN", // See RFC 2136 + RcodeYXRrset: "YXRRSET", + RcodeNXRrset: "NXRRSET", + RcodeNotAuth: "NOTAUTH", + RcodeNotZone: "NOTZONE", + RcodeBadSig: "BADSIG", // Also known as RcodeBadVers, see RFC 6891 + // RcodeBadVers: "BADVERS", + RcodeBadKey: "BADKEY", + RcodeBadTime: "BADTIME", + RcodeBadMode: "BADMODE", + RcodeBadName: "BADNAME", + RcodeBadAlg: "BADALG", + RcodeBadTrunc: "BADTRUNC", + RcodeBadCookie: "BADCOOKIE", +} + +// compressionMap is used to allow a more efficient compression map +// to be used for internal packDomainName calls without changing the +// signature or functionality of public API. +// +// In particular, map[string]uint16 uses 25% less per-entry memory +// than does map[string]int. +type compressionMap struct { + ext map[string]int // external callers + int map[string]uint16 // internal callers +} + +func (m compressionMap) valid() bool { + return m.int != nil || m.ext != nil +} + +func (m compressionMap) insert(s string, pos int) { + if m.ext != nil { + m.ext[s] = pos + } else { + m.int[s] = uint16(pos) + } +} + +func (m compressionMap) find(s string) (int, bool) { + if m.ext != nil { + pos, ok := m.ext[s] + return pos, ok + } + + pos, ok := m.int[s] + return int(pos), ok +} + +// Domain names are a sequence of counted strings +// split at the dots. They end with a zero-length string. + +// PackDomainName packs a domain name s into msg[off:]. +// If compression is wanted compress must be true and the compression +// map needs to hold a mapping between domain names and offsets +// pointing into msg. +func PackDomainName(s string, msg []byte, off int, compression map[string]int, compress bool) (off1 int, err error) { + return packDomainName(s, msg, off, compressionMap{ext: compression}, compress) +} + +func packDomainName(s string, msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + // XXX: A logical copy of this function exists in IsDomainName and + // should be kept in sync with this function. + + ls := len(s) + if ls == 0 { // Ok, for instance when dealing with update RR without any rdata. + return off, nil + } + + // If not fully qualified, error out. + if !IsFqdn(s) { + return len(msg), ErrFqdn + } + + // Each dot ends a segment of the name. + // We trade each dot byte for a length byte. + // Except for escaped dots (\.), which are normal dots. + // There is also a trailing zero. + + // Compression + pointer := -1 + + // Emit sequence of counted strings, chopping at dots. + var ( + begin int + compBegin int + compOff int + bs []byte + wasDot bool + ) +loop: + for i := 0; i < ls; i++ { + var c byte + if bs == nil { + c = s[i] + } else { + c = bs[i] + } + + switch c { + case '\\': + if off+1 > len(msg) { + return len(msg), ErrBuf + } + + if bs == nil { + bs = []byte(s) + } + + // check for \DDD + if i+3 < ls && isDigit(bs[i+1]) && isDigit(bs[i+2]) && isDigit(bs[i+3]) { + bs[i] = dddToByte(bs[i+1:]) + copy(bs[i+1:ls-3], bs[i+4:]) + ls -= 3 + compOff += 3 + } else { + copy(bs[i:ls-1], bs[i+1:]) + ls-- + compOff++ + } + + wasDot = false + case '.': + if wasDot { + // two dots back to back is not legal + return len(msg), ErrRdata + } + wasDot = true + + labelLen := i - begin + if labelLen >= 1<<6 { // top two bits of length must be clear + return len(msg), ErrRdata + } + + // off can already (we're in a loop) be bigger than len(msg) + // this happens when a name isn't fully qualified + if off+1+labelLen > len(msg) { + return len(msg), ErrBuf + } + + // Don't try to compress '.' + // We should only compress when compress is true, but we should also still pick + // up names that can be used for *future* compression(s). + if compression.valid() && !isRootLabel(s, bs, begin, ls) { + if p, ok := compression.find(s[compBegin:]); ok { + // The first hit is the longest matching dname + // keep the pointer offset we get back and store + // the offset of the current name, because that's + // where we need to insert the pointer later + + // If compress is true, we're allowed to compress this dname + if compress { + pointer = p // Where to point to + break loop + } + } else if off < maxCompressionOffset { + // Only offsets smaller than maxCompressionOffset can be used. + compression.insert(s[compBegin:], off) + } + } + + // The following is covered by the length check above. + msg[off] = byte(labelLen) + + if bs == nil { + copy(msg[off+1:], s[begin:i]) + } else { + copy(msg[off+1:], bs[begin:i]) + } + off += 1 + labelLen + + begin = i + 1 + compBegin = begin + compOff + default: + wasDot = false + } + } + + // Root label is special + if isRootLabel(s, bs, 0, ls) { + return off, nil + } + + // If we did compression and we find something add the pointer here + if pointer != -1 { + // We have two bytes (14 bits) to put the pointer in + binary.BigEndian.PutUint16(msg[off:], uint16(pointer^0xC000)) + return off + 2, nil + } + + if off < len(msg) { + msg[off] = 0 + } + + return off + 1, nil +} + +// isRootLabel returns whether s or bs, from off to end, is the root +// label ".". +// +// If bs is nil, s will be checked, otherwise bs will be checked. +func isRootLabel(s string, bs []byte, off, end int) bool { + if bs == nil { + return s[off:end] == "." + } + + return end-off == 1 && bs[off] == '.' +} + +// Unpack a domain name. +// In addition to the simple sequences of counted strings above, +// domain names are allowed to refer to strings elsewhere in the +// packet, to avoid repeating common suffixes when returning +// many entries in a single domain. The pointers are marked +// by a length byte with the top two bits set. Ignoring those +// two bits, that byte and the next give a 14 bit offset from msg[0] +// where we should pick up the trail. +// Note that if we jump elsewhere in the packet, +// we return off1 == the offset after the first pointer we found, +// which is where the next record will start. +// In theory, the pointers are only allowed to jump backward. +// We let them jump anywhere and stop jumping after a while. + +// UnpackDomainName unpacks a domain name into a string. It returns +// the name, the new offset into msg and any error that occurred. +// +// When an error is encountered, the unpacked name will be discarded +// and len(msg) will be returned as the offset. +func UnpackDomainName(msg []byte, off int) (string, int, error) { + s := make([]byte, 0, maxDomainNamePresentationLength) + off1 := 0 + lenmsg := len(msg) + budget := maxDomainNameWireOctets + ptr := 0 // number of pointers followed +Loop: + for { + if off >= lenmsg { + return "", lenmsg, ErrBuf + } + c := int(msg[off]) + off++ + switch c & 0xC0 { + case 0x00: + if c == 0x00 { + // end of name + break Loop + } + // literal string + if off+c > lenmsg { + return "", lenmsg, ErrBuf + } + budget -= c + 1 // +1 for the label separator + if budget <= 0 { + return "", lenmsg, ErrLongDomain + } + for _, b := range msg[off : off+c] { + if isDomainNameLabelSpecial(b) { + s = append(s, '\\', b) + } else if b < ' ' || b > '~' { + s = append(s, escapeByte(b)...) + } else { + s = append(s, b) + } + } + s = append(s, '.') + off += c + case 0xC0: + // pointer to somewhere else in msg. + // remember location after first ptr, + // since that's how many bytes we consumed. + // also, don't follow too many pointers -- + // maybe there's a loop. + if off >= lenmsg { + return "", lenmsg, ErrBuf + } + c1 := msg[off] + off++ + if ptr == 0 { + off1 = off + } + if ptr++; ptr > maxCompressionPointers { + return "", lenmsg, &Error{err: "too many compression pointers"} + } + // pointer should guarantee that it advances and points forwards at least + // but the condition on previous three lines guarantees that it's + // at least loop-free + off = (c^0xC0)<<8 | int(c1) + default: + // 0x80 and 0x40 are reserved + return "", lenmsg, ErrRdata + } + } + if ptr == 0 { + off1 = off + } + if len(s) == 0 { + return ".", off1, nil + } + return string(s), off1, nil +} + +func packTxt(txt []string, msg []byte, offset int, tmp []byte) (int, error) { + if len(txt) == 0 { + if offset >= len(msg) { + return offset, ErrBuf + } + msg[offset] = 0 + return offset, nil + } + var err error + for _, s := range txt { + if len(s) > len(tmp) { + return offset, ErrBuf + } + offset, err = packTxtString(s, msg, offset, tmp) + if err != nil { + return offset, err + } + } + return offset, nil +} + +func packTxtString(s string, msg []byte, offset int, tmp []byte) (int, error) { + lenByteOffset := offset + if offset >= len(msg) || len(s) > len(tmp) { + return offset, ErrBuf + } + offset++ + bs := tmp[:len(s)] + copy(bs, s) + for i := 0; i < len(bs); i++ { + if len(msg) <= offset { + return offset, ErrBuf + } + if bs[i] == '\\' { + i++ + if i == len(bs) { + break + } + // check for \DDD + if i+2 < len(bs) && isDigit(bs[i]) && isDigit(bs[i+1]) && isDigit(bs[i+2]) { + msg[offset] = dddToByte(bs[i:]) + i += 2 + } else { + msg[offset] = bs[i] + } + } else { + msg[offset] = bs[i] + } + offset++ + } + l := offset - lenByteOffset - 1 + if l > 255 { + return offset, &Error{err: "string exceeded 255 bytes in txt"} + } + msg[lenByteOffset] = byte(l) + return offset, nil +} + +func packOctetString(s string, msg []byte, offset int, tmp []byte) (int, error) { + if offset >= len(msg) || len(s) > len(tmp) { + return offset, ErrBuf + } + bs := tmp[:len(s)] + copy(bs, s) + for i := 0; i < len(bs); i++ { + if len(msg) <= offset { + return offset, ErrBuf + } + if bs[i] == '\\' { + i++ + if i == len(bs) { + break + } + // check for \DDD + if i+2 < len(bs) && isDigit(bs[i]) && isDigit(bs[i+1]) && isDigit(bs[i+2]) { + msg[offset] = dddToByte(bs[i:]) + i += 2 + } else { + msg[offset] = bs[i] + } + } else { + msg[offset] = bs[i] + } + offset++ + } + return offset, nil +} + +func unpackTxt(msg []byte, off0 int) (ss []string, off int, err error) { + off = off0 + var s string + for off < len(msg) && err == nil { + s, off, err = unpackString(msg, off) + if err == nil { + ss = append(ss, s) + } + } + return +} + +// Helpers for dealing with escaped bytes +func isDigit(b byte) bool { return b >= '0' && b <= '9' } + +func dddToByte(s []byte) byte { + _ = s[2] // bounds check hint to compiler; see golang.org/issue/14808 + return byte((s[0]-'0')*100 + (s[1]-'0')*10 + (s[2] - '0')) +} + +func dddStringToByte(s string) byte { + _ = s[2] // bounds check hint to compiler; see golang.org/issue/14808 + return byte((s[0]-'0')*100 + (s[1]-'0')*10 + (s[2] - '0')) +} + +// Helper function for packing and unpacking +func intToBytes(i *big.Int, length int) []byte { + buf := i.Bytes() + if len(buf) < length { + b := make([]byte, length) + copy(b[length-len(buf):], buf) + return b + } + return buf +} + +// PackRR packs a resource record rr into msg[off:]. +// See PackDomainName for documentation about the compression. +func PackRR(rr RR, msg []byte, off int, compression map[string]int, compress bool) (off1 int, err error) { + headerEnd, off1, err := packRR(rr, msg, off, compressionMap{ext: compression}, compress) + if err == nil { + // packRR no longer sets the Rdlength field on the rr, but + // callers might be expecting it so we set it here. + rr.Header().Rdlength = uint16(off1 - headerEnd) + } + return off1, err +} + +func packRR(rr RR, msg []byte, off int, compression compressionMap, compress bool) (headerEnd int, off1 int, err error) { + if rr == nil { + return len(msg), len(msg), &Error{err: "nil rr"} + } + + headerEnd, err = rr.Header().packHeader(msg, off, compression, compress) + if err != nil { + return headerEnd, len(msg), err + } + + off1, err = rr.pack(msg, headerEnd, compression, compress) + if err != nil { + return headerEnd, len(msg), err + } + + rdlength := off1 - headerEnd + if int(uint16(rdlength)) != rdlength { // overflow + return headerEnd, len(msg), ErrRdata + } + + // The RDLENGTH field is the last field in the header and we set it here. + binary.BigEndian.PutUint16(msg[headerEnd-2:], uint16(rdlength)) + return headerEnd, off1, nil +} + +// UnpackRR unpacks msg[off:] into an RR. +func UnpackRR(msg []byte, off int) (rr RR, off1 int, err error) { + h, off, msg, err := unpackHeader(msg, off) + if err != nil { + return nil, len(msg), err + } + + return UnpackRRWithHeader(h, msg, off) +} + +// UnpackRRWithHeader unpacks the record type specific payload given an existing +// RR_Header. +func UnpackRRWithHeader(h RR_Header, msg []byte, off int) (rr RR, off1 int, err error) { + if newFn, ok := TypeToRR[h.Rrtype]; ok { + rr = newFn() + *rr.Header() = h + } else { + rr = &RFC3597{Hdr: h} + } + + if off < 0 || off > len(msg) { + return &h, off, &Error{err: "bad off"} + } + + end := off + int(h.Rdlength) + if end < off || end > len(msg) { + return &h, end, &Error{err: "bad rdlength"} + } + + if noRdata(h) { + return rr, off, nil + } + + off, err = rr.unpack(msg, off) + if err != nil { + return nil, end, err + } + if off != end { + return &h, end, &Error{err: "bad rdlength"} + } + + return rr, off, nil +} + +// unpackRRslice unpacks msg[off:] into an []RR. +// If we cannot unpack the whole array, then it will return nil +func unpackRRslice(l int, msg []byte, off int) (dst1 []RR, off1 int, err error) { + var r RR + // Don't pre-allocate, l may be under attacker control + var dst []RR + for i := 0; i < l; i++ { + off1 := off + r, off, err = UnpackRR(msg, off) + if err != nil { + off = len(msg) + break + } + // If offset does not increase anymore, l is a lie + if off1 == off { + break + } + dst = append(dst, r) + } + if err != nil && off == len(msg) { + dst = nil + } + return dst, off, err +} + +// Convert a MsgHdr to a string, with dig-like headers: +// +//;; opcode: QUERY, status: NOERROR, id: 48404 +// +//;; flags: qr aa rd ra; +func (h *MsgHdr) String() string { + if h == nil { + return " MsgHdr" + } + + s := ";; opcode: " + OpcodeToString[h.Opcode] + s += ", status: " + RcodeToString[h.Rcode] + s += ", id: " + strconv.Itoa(int(h.Id)) + "\n" + + s += ";; flags:" + if h.Response { + s += " qr" + } + if h.Authoritative { + s += " aa" + } + if h.Truncated { + s += " tc" + } + if h.RecursionDesired { + s += " rd" + } + if h.RecursionAvailable { + s += " ra" + } + if h.Zero { // Hmm + s += " z" + } + if h.AuthenticatedData { + s += " ad" + } + if h.CheckingDisabled { + s += " cd" + } + + s += ";" + return s +} + +// Pack packs a Msg: it is converted to to wire format. +// If the dns.Compress is true the message will be in compressed wire format. +func (dns *Msg) Pack() (msg []byte, err error) { + return dns.PackBuffer(nil) +} + +// PackBuffer packs a Msg, using the given buffer buf. If buf is too small a new buffer is allocated. +func (dns *Msg) PackBuffer(buf []byte) (msg []byte, err error) { + // If this message can't be compressed, avoid filling the + // compression map and creating garbage. + if dns.Compress && dns.isCompressible() { + compression := make(map[string]uint16) // Compression pointer mappings. + return dns.packBufferWithCompressionMap(buf, compressionMap{int: compression}, true) + } + + return dns.packBufferWithCompressionMap(buf, compressionMap{}, false) +} + +// packBufferWithCompressionMap packs a Msg, using the given buffer buf. +func (dns *Msg) packBufferWithCompressionMap(buf []byte, compression compressionMap, compress bool) (msg []byte, err error) { + if dns.Rcode < 0 || dns.Rcode > 0xFFF { + return nil, ErrRcode + } + + // Set extended rcode unconditionally if we have an opt, this will allow + // resetting the extended rcode bits if they need to. + if opt := dns.IsEdns0(); opt != nil { + opt.SetExtendedRcode(uint16(dns.Rcode)) + } else if dns.Rcode > 0xF { + // If Rcode is an extended one and opt is nil, error out. + return nil, ErrExtendedRcode + } + + // Convert convenient Msg into wire-like Header. + var dh Header + dh.Id = dns.Id + dh.Bits = uint16(dns.Opcode)<<11 | uint16(dns.Rcode&0xF) + if dns.Response { + dh.Bits |= _QR + } + if dns.Authoritative { + dh.Bits |= _AA + } + if dns.Truncated { + dh.Bits |= _TC + } + if dns.RecursionDesired { + dh.Bits |= _RD + } + if dns.RecursionAvailable { + dh.Bits |= _RA + } + if dns.Zero { + dh.Bits |= _Z + } + if dns.AuthenticatedData { + dh.Bits |= _AD + } + if dns.CheckingDisabled { + dh.Bits |= _CD + } + + dh.Qdcount = uint16(len(dns.Question)) + dh.Ancount = uint16(len(dns.Answer)) + dh.Nscount = uint16(len(dns.Ns)) + dh.Arcount = uint16(len(dns.Extra)) + + // We need the uncompressed length here, because we first pack it and then compress it. + msg = buf + uncompressedLen := msgLenWithCompressionMap(dns, nil) + if packLen := uncompressedLen + 1; len(msg) < packLen { + msg = make([]byte, packLen) + } + + // Pack it in: header and then the pieces. + off := 0 + off, err = dh.pack(msg, off, compression, compress) + if err != nil { + return nil, err + } + for _, r := range dns.Question { + off, err = r.pack(msg, off, compression, compress) + if err != nil { + return nil, err + } + } + for _, r := range dns.Answer { + _, off, err = packRR(r, msg, off, compression, compress) + if err != nil { + return nil, err + } + } + for _, r := range dns.Ns { + _, off, err = packRR(r, msg, off, compression, compress) + if err != nil { + return nil, err + } + } + for _, r := range dns.Extra { + _, off, err = packRR(r, msg, off, compression, compress) + if err != nil { + return nil, err + } + } + return msg[:off], nil +} + +func (dns *Msg) unpack(dh Header, msg []byte, off int) (err error) { + // If we are at the end of the message we should return *just* the + // header. This can still be useful to the caller. 9.9.9.9 sends these + // when responding with REFUSED for instance. + if off == len(msg) { + // reset sections before returning + dns.Question, dns.Answer, dns.Ns, dns.Extra = nil, nil, nil, nil + return nil + } + + // Qdcount, Ancount, Nscount, Arcount can't be trusted, as they are + // attacker controlled. This means we can't use them to pre-allocate + // slices. + dns.Question = nil + for i := 0; i < int(dh.Qdcount); i++ { + off1 := off + var q Question + q, off, err = unpackQuestion(msg, off) + if err != nil { + return err + } + if off1 == off { // Offset does not increase anymore, dh.Qdcount is a lie! + dh.Qdcount = uint16(i) + break + } + dns.Question = append(dns.Question, q) + } + + dns.Answer, off, err = unpackRRslice(int(dh.Ancount), msg, off) + // The header counts might have been wrong so we need to update it + dh.Ancount = uint16(len(dns.Answer)) + if err == nil { + dns.Ns, off, err = unpackRRslice(int(dh.Nscount), msg, off) + } + // The header counts might have been wrong so we need to update it + dh.Nscount = uint16(len(dns.Ns)) + if err == nil { + dns.Extra, off, err = unpackRRslice(int(dh.Arcount), msg, off) + } + // The header counts might have been wrong so we need to update it + dh.Arcount = uint16(len(dns.Extra)) + + // Set extended Rcode + if opt := dns.IsEdns0(); opt != nil { + dns.Rcode |= opt.ExtendedRcode() + } + + if off != len(msg) { + // TODO(miek) make this an error? + // use PackOpt to let people tell how detailed the error reporting should be? + // println("dns: extra bytes in dns packet", off, "<", len(msg)) + } + return err + +} + +// Unpack unpacks a binary message to a Msg structure. +func (dns *Msg) Unpack(msg []byte) (err error) { + dh, off, err := unpackMsgHdr(msg, 0) + if err != nil { + return err + } + + dns.setHdr(dh) + return dns.unpack(dh, msg, off) +} + +// Convert a complete message to a string with dig-like output. +func (dns *Msg) String() string { + if dns == nil { + return " MsgHdr" + } + s := dns.MsgHdr.String() + " " + s += "QUERY: " + strconv.Itoa(len(dns.Question)) + ", " + s += "ANSWER: " + strconv.Itoa(len(dns.Answer)) + ", " + s += "AUTHORITY: " + strconv.Itoa(len(dns.Ns)) + ", " + s += "ADDITIONAL: " + strconv.Itoa(len(dns.Extra)) + "\n" + opt := dns.IsEdns0() + if opt != nil { + // OPT PSEUDOSECTION + s += opt.String() + "\n" + } + if len(dns.Question) > 0 { + s += "\n;; QUESTION SECTION:\n" + for _, r := range dns.Question { + s += r.String() + "\n" + } + } + if len(dns.Answer) > 0 { + s += "\n;; ANSWER SECTION:\n" + for _, r := range dns.Answer { + if r != nil { + s += r.String() + "\n" + } + } + } + if len(dns.Ns) > 0 { + s += "\n;; AUTHORITY SECTION:\n" + for _, r := range dns.Ns { + if r != nil { + s += r.String() + "\n" + } + } + } + if len(dns.Extra) > 0 && (opt == nil || len(dns.Extra) > 1) { + s += "\n;; ADDITIONAL SECTION:\n" + for _, r := range dns.Extra { + if r != nil && r.Header().Rrtype != TypeOPT { + s += r.String() + "\n" + } + } + } + return s +} + +// isCompressible returns whether the msg may be compressible. +func (dns *Msg) isCompressible() bool { + // If we only have one question, there is nothing we can ever compress. + return len(dns.Question) > 1 || len(dns.Answer) > 0 || + len(dns.Ns) > 0 || len(dns.Extra) > 0 +} + +// Len returns the message length when in (un)compressed wire format. +// If dns.Compress is true compression it is taken into account. Len() +// is provided to be a faster way to get the size of the resulting packet, +// than packing it, measuring the size and discarding the buffer. +func (dns *Msg) Len() int { + // If this message can't be compressed, avoid filling the + // compression map and creating garbage. + if dns.Compress && dns.isCompressible() { + compression := make(map[string]struct{}) + return msgLenWithCompressionMap(dns, compression) + } + + return msgLenWithCompressionMap(dns, nil) +} + +func msgLenWithCompressionMap(dns *Msg, compression map[string]struct{}) int { + l := headerSize + + for _, r := range dns.Question { + l += r.len(l, compression) + } + for _, r := range dns.Answer { + if r != nil { + l += r.len(l, compression) + } + } + for _, r := range dns.Ns { + if r != nil { + l += r.len(l, compression) + } + } + for _, r := range dns.Extra { + if r != nil { + l += r.len(l, compression) + } + } + + return l +} + +func domainNameLen(s string, off int, compression map[string]struct{}, compress bool) int { + if s == "" || s == "." { + return 1 + } + + escaped := strings.Contains(s, "\\") + + if compression != nil && (compress || off < maxCompressionOffset) { + // compressionLenSearch will insert the entry into the compression + // map if it doesn't contain it. + if l, ok := compressionLenSearch(compression, s, off); ok && compress { + if escaped { + return escapedNameLen(s[:l]) + 2 + } + + return l + 2 + } + } + + if escaped { + return escapedNameLen(s) + 1 + } + + return len(s) + 1 +} + +func escapedNameLen(s string) int { + nameLen := len(s) + for i := 0; i < len(s); i++ { + if s[i] != '\\' { + continue + } + + if i+3 < len(s) && isDigit(s[i+1]) && isDigit(s[i+2]) && isDigit(s[i+3]) { + nameLen -= 3 + i += 3 + } else { + nameLen-- + i++ + } + } + + return nameLen +} + +func compressionLenSearch(c map[string]struct{}, s string, msgOff int) (int, bool) { + for off, end := 0, false; !end; off, end = NextLabel(s, off) { + if _, ok := c[s[off:]]; ok { + return off, true + } + + if msgOff+off < maxCompressionOffset { + c[s[off:]] = struct{}{} + } + } + + return 0, false +} + +// Copy returns a new RR which is a deep-copy of r. +func Copy(r RR) RR { return r.copy() } + +// Len returns the length (in octets) of the uncompressed RR in wire format. +func Len(r RR) int { return r.len(0, nil) } + +// Copy returns a new *Msg which is a deep-copy of dns. +func (dns *Msg) Copy() *Msg { return dns.CopyTo(new(Msg)) } + +// CopyTo copies the contents to the provided message using a deep-copy and returns the copy. +func (dns *Msg) CopyTo(r1 *Msg) *Msg { + r1.MsgHdr = dns.MsgHdr + r1.Compress = dns.Compress + + if len(dns.Question) > 0 { + r1.Question = make([]Question, len(dns.Question)) + copy(r1.Question, dns.Question) // TODO(miek): Question is an immutable value, ok to do a shallow-copy + } + + rrArr := make([]RR, len(dns.Answer)+len(dns.Ns)+len(dns.Extra)) + r1.Answer, rrArr = rrArr[:0:len(dns.Answer)], rrArr[len(dns.Answer):] + r1.Ns, rrArr = rrArr[:0:len(dns.Ns)], rrArr[len(dns.Ns):] + r1.Extra = rrArr[:0:len(dns.Extra)] + + for _, r := range dns.Answer { + r1.Answer = append(r1.Answer, r.copy()) + } + + for _, r := range dns.Ns { + r1.Ns = append(r1.Ns, r.copy()) + } + + for _, r := range dns.Extra { + r1.Extra = append(r1.Extra, r.copy()) + } + + return r1 +} + +func (q *Question) pack(msg []byte, off int, compression compressionMap, compress bool) (int, error) { + off, err := packDomainName(q.Name, msg, off, compression, compress) + if err != nil { + return off, err + } + off, err = packUint16(q.Qtype, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(q.Qclass, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func unpackQuestion(msg []byte, off int) (Question, int, error) { + var ( + q Question + err error + ) + q.Name, off, err = UnpackDomainName(msg, off) + if err != nil { + return q, off, err + } + if off == len(msg) { + return q, off, nil + } + q.Qtype, off, err = unpackUint16(msg, off) + if err != nil { + return q, off, err + } + if off == len(msg) { + return q, off, nil + } + q.Qclass, off, err = unpackUint16(msg, off) + if off == len(msg) { + return q, off, nil + } + return q, off, err +} + +func (dh *Header) pack(msg []byte, off int, compression compressionMap, compress bool) (int, error) { + off, err := packUint16(dh.Id, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(dh.Bits, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(dh.Qdcount, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(dh.Ancount, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(dh.Nscount, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(dh.Arcount, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func unpackMsgHdr(msg []byte, off int) (Header, int, error) { + var ( + dh Header + err error + ) + dh.Id, off, err = unpackUint16(msg, off) + if err != nil { + return dh, off, err + } + dh.Bits, off, err = unpackUint16(msg, off) + if err != nil { + return dh, off, err + } + dh.Qdcount, off, err = unpackUint16(msg, off) + if err != nil { + return dh, off, err + } + dh.Ancount, off, err = unpackUint16(msg, off) + if err != nil { + return dh, off, err + } + dh.Nscount, off, err = unpackUint16(msg, off) + if err != nil { + return dh, off, err + } + dh.Arcount, off, err = unpackUint16(msg, off) + if err != nil { + return dh, off, err + } + return dh, off, nil +} + +// setHdr set the header in the dns using the binary data in dh. +func (dns *Msg) setHdr(dh Header) { + dns.Id = dh.Id + dns.Response = dh.Bits&_QR != 0 + dns.Opcode = int(dh.Bits>>11) & 0xF + dns.Authoritative = dh.Bits&_AA != 0 + dns.Truncated = dh.Bits&_TC != 0 + dns.RecursionDesired = dh.Bits&_RD != 0 + dns.RecursionAvailable = dh.Bits&_RA != 0 + dns.Zero = dh.Bits&_Z != 0 // _Z covers the zero bit, which should be zero; not sure why we set it to the opposite. + dns.AuthenticatedData = dh.Bits&_AD != 0 + dns.CheckingDisabled = dh.Bits&_CD != 0 + dns.Rcode = int(dh.Bits & 0xF) +} diff --git a/vendor/github.com/miekg/dns/msg_helpers.go b/vendor/github.com/miekg/dns/msg_helpers.go new file mode 100644 index 000000000..b049028b7 --- /dev/null +++ b/vendor/github.com/miekg/dns/msg_helpers.go @@ -0,0 +1,812 @@ +package dns + +import ( + "encoding/base32" + "encoding/base64" + "encoding/binary" + "encoding/hex" + "net" + "sort" + "strings" +) + +// helper functions called from the generated zmsg.go + +// These function are named after the tag to help pack/unpack, if there is no tag it is the name +// of the type they pack/unpack (string, int, etc). We prefix all with unpackData or packData, so packDataA or +// packDataDomainName. + +func unpackDataA(msg []byte, off int) (net.IP, int, error) { + if off+net.IPv4len > len(msg) { + return nil, len(msg), &Error{err: "overflow unpacking a"} + } + a := append(make(net.IP, 0, net.IPv4len), msg[off:off+net.IPv4len]...) + off += net.IPv4len + return a, off, nil +} + +func packDataA(a net.IP, msg []byte, off int) (int, error) { + switch len(a) { + case net.IPv4len, net.IPv6len: + // It must be a slice of 4, even if it is 16, we encode only the first 4 + if off+net.IPv4len > len(msg) { + return len(msg), &Error{err: "overflow packing a"} + } + + copy(msg[off:], a.To4()) + off += net.IPv4len + case 0: + // Allowed, for dynamic updates. + default: + return len(msg), &Error{err: "overflow packing a"} + } + return off, nil +} + +func unpackDataAAAA(msg []byte, off int) (net.IP, int, error) { + if off+net.IPv6len > len(msg) { + return nil, len(msg), &Error{err: "overflow unpacking aaaa"} + } + aaaa := append(make(net.IP, 0, net.IPv6len), msg[off:off+net.IPv6len]...) + off += net.IPv6len + return aaaa, off, nil +} + +func packDataAAAA(aaaa net.IP, msg []byte, off int) (int, error) { + switch len(aaaa) { + case net.IPv6len: + if off+net.IPv6len > len(msg) { + return len(msg), &Error{err: "overflow packing aaaa"} + } + + copy(msg[off:], aaaa) + off += net.IPv6len + case 0: + // Allowed, dynamic updates. + default: + return len(msg), &Error{err: "overflow packing aaaa"} + } + return off, nil +} + +// unpackHeader unpacks an RR header, returning the offset to the end of the header and a +// re-sliced msg according to the expected length of the RR. +func unpackHeader(msg []byte, off int) (rr RR_Header, off1 int, truncmsg []byte, err error) { + hdr := RR_Header{} + if off == len(msg) { + return hdr, off, msg, nil + } + + hdr.Name, off, err = UnpackDomainName(msg, off) + if err != nil { + return hdr, len(msg), msg, err + } + hdr.Rrtype, off, err = unpackUint16(msg, off) + if err != nil { + return hdr, len(msg), msg, err + } + hdr.Class, off, err = unpackUint16(msg, off) + if err != nil { + return hdr, len(msg), msg, err + } + hdr.Ttl, off, err = unpackUint32(msg, off) + if err != nil { + return hdr, len(msg), msg, err + } + hdr.Rdlength, off, err = unpackUint16(msg, off) + if err != nil { + return hdr, len(msg), msg, err + } + msg, err = truncateMsgFromRdlength(msg, off, hdr.Rdlength) + return hdr, off, msg, err +} + +// packHeader packs an RR header, returning the offset to the end of the header. +// See PackDomainName for documentation about the compression. +func (hdr RR_Header) packHeader(msg []byte, off int, compression compressionMap, compress bool) (int, error) { + if off == len(msg) { + return off, nil + } + + off, err := packDomainName(hdr.Name, msg, off, compression, compress) + if err != nil { + return len(msg), err + } + off, err = packUint16(hdr.Rrtype, msg, off) + if err != nil { + return len(msg), err + } + off, err = packUint16(hdr.Class, msg, off) + if err != nil { + return len(msg), err + } + off, err = packUint32(hdr.Ttl, msg, off) + if err != nil { + return len(msg), err + } + off, err = packUint16(0, msg, off) // The RDLENGTH field will be set later in packRR. + if err != nil { + return len(msg), err + } + return off, nil +} + +// helper helper functions. + +// truncateMsgFromRdLength truncates msg to match the expected length of the RR. +// Returns an error if msg is smaller than the expected size. +func truncateMsgFromRdlength(msg []byte, off int, rdlength uint16) (truncmsg []byte, err error) { + lenrd := off + int(rdlength) + if lenrd > len(msg) { + return msg, &Error{err: "overflowing header size"} + } + return msg[:lenrd], nil +} + +var base32HexNoPadEncoding = base32.HexEncoding.WithPadding(base32.NoPadding) + +func fromBase32(s []byte) (buf []byte, err error) { + for i, b := range s { + if b >= 'a' && b <= 'z' { + s[i] = b - 32 + } + } + buflen := base32HexNoPadEncoding.DecodedLen(len(s)) + buf = make([]byte, buflen) + n, err := base32HexNoPadEncoding.Decode(buf, s) + buf = buf[:n] + return +} + +func toBase32(b []byte) string { + return base32HexNoPadEncoding.EncodeToString(b) +} + +func fromBase64(s []byte) (buf []byte, err error) { + buflen := base64.StdEncoding.DecodedLen(len(s)) + buf = make([]byte, buflen) + n, err := base64.StdEncoding.Decode(buf, s) + buf = buf[:n] + return +} + +func toBase64(b []byte) string { return base64.StdEncoding.EncodeToString(b) } + +// dynamicUpdate returns true if the Rdlength is zero. +func noRdata(h RR_Header) bool { return h.Rdlength == 0 } + +func unpackUint8(msg []byte, off int) (i uint8, off1 int, err error) { + if off+1 > len(msg) { + return 0, len(msg), &Error{err: "overflow unpacking uint8"} + } + return msg[off], off + 1, nil +} + +func packUint8(i uint8, msg []byte, off int) (off1 int, err error) { + if off+1 > len(msg) { + return len(msg), &Error{err: "overflow packing uint8"} + } + msg[off] = i + return off + 1, nil +} + +func unpackUint16(msg []byte, off int) (i uint16, off1 int, err error) { + if off+2 > len(msg) { + return 0, len(msg), &Error{err: "overflow unpacking uint16"} + } + return binary.BigEndian.Uint16(msg[off:]), off + 2, nil +} + +func packUint16(i uint16, msg []byte, off int) (off1 int, err error) { + if off+2 > len(msg) { + return len(msg), &Error{err: "overflow packing uint16"} + } + binary.BigEndian.PutUint16(msg[off:], i) + return off + 2, nil +} + +func unpackUint32(msg []byte, off int) (i uint32, off1 int, err error) { + if off+4 > len(msg) { + return 0, len(msg), &Error{err: "overflow unpacking uint32"} + } + return binary.BigEndian.Uint32(msg[off:]), off + 4, nil +} + +func packUint32(i uint32, msg []byte, off int) (off1 int, err error) { + if off+4 > len(msg) { + return len(msg), &Error{err: "overflow packing uint32"} + } + binary.BigEndian.PutUint32(msg[off:], i) + return off + 4, nil +} + +func unpackUint48(msg []byte, off int) (i uint64, off1 int, err error) { + if off+6 > len(msg) { + return 0, len(msg), &Error{err: "overflow unpacking uint64 as uint48"} + } + // Used in TSIG where the last 48 bits are occupied, so for now, assume a uint48 (6 bytes) + i = uint64(msg[off])<<40 | uint64(msg[off+1])<<32 | uint64(msg[off+2])<<24 | uint64(msg[off+3])<<16 | + uint64(msg[off+4])<<8 | uint64(msg[off+5]) + off += 6 + return i, off, nil +} + +func packUint48(i uint64, msg []byte, off int) (off1 int, err error) { + if off+6 > len(msg) { + return len(msg), &Error{err: "overflow packing uint64 as uint48"} + } + msg[off] = byte(i >> 40) + msg[off+1] = byte(i >> 32) + msg[off+2] = byte(i >> 24) + msg[off+3] = byte(i >> 16) + msg[off+4] = byte(i >> 8) + msg[off+5] = byte(i) + off += 6 + return off, nil +} + +func unpackUint64(msg []byte, off int) (i uint64, off1 int, err error) { + if off+8 > len(msg) { + return 0, len(msg), &Error{err: "overflow unpacking uint64"} + } + return binary.BigEndian.Uint64(msg[off:]), off + 8, nil +} + +func packUint64(i uint64, msg []byte, off int) (off1 int, err error) { + if off+8 > len(msg) { + return len(msg), &Error{err: "overflow packing uint64"} + } + binary.BigEndian.PutUint64(msg[off:], i) + off += 8 + return off, nil +} + +func unpackString(msg []byte, off int) (string, int, error) { + if off+1 > len(msg) { + return "", off, &Error{err: "overflow unpacking txt"} + } + l := int(msg[off]) + off++ + if off+l > len(msg) { + return "", off, &Error{err: "overflow unpacking txt"} + } + var s strings.Builder + consumed := 0 + for i, b := range msg[off : off+l] { + switch { + case b == '"' || b == '\\': + if consumed == 0 { + s.Grow(l * 2) + } + s.Write(msg[off+consumed : off+i]) + s.WriteByte('\\') + s.WriteByte(b) + consumed = i + 1 + case b < ' ' || b > '~': // unprintable + if consumed == 0 { + s.Grow(l * 2) + } + s.Write(msg[off+consumed : off+i]) + s.WriteString(escapeByte(b)) + consumed = i + 1 + } + } + if consumed == 0 { // no escaping needed + return string(msg[off : off+l]), off + l, nil + } + s.Write(msg[off+consumed : off+l]) + return s.String(), off + l, nil +} + +func packString(s string, msg []byte, off int) (int, error) { + txtTmp := make([]byte, 256*4+1) + off, err := packTxtString(s, msg, off, txtTmp) + if err != nil { + return len(msg), err + } + return off, nil +} + +func unpackStringBase32(msg []byte, off, end int) (string, int, error) { + if end > len(msg) { + return "", len(msg), &Error{err: "overflow unpacking base32"} + } + s := toBase32(msg[off:end]) + return s, end, nil +} + +func packStringBase32(s string, msg []byte, off int) (int, error) { + b32, err := fromBase32([]byte(s)) + if err != nil { + return len(msg), err + } + if off+len(b32) > len(msg) { + return len(msg), &Error{err: "overflow packing base32"} + } + copy(msg[off:off+len(b32)], b32) + off += len(b32) + return off, nil +} + +func unpackStringBase64(msg []byte, off, end int) (string, int, error) { + // Rest of the RR is base64 encoded value, so we don't need an explicit length + // to be set. Thus far all RR's that have base64 encoded fields have those as their + // last one. What we do need is the end of the RR! + if end > len(msg) { + return "", len(msg), &Error{err: "overflow unpacking base64"} + } + s := toBase64(msg[off:end]) + return s, end, nil +} + +func packStringBase64(s string, msg []byte, off int) (int, error) { + b64, err := fromBase64([]byte(s)) + if err != nil { + return len(msg), err + } + if off+len(b64) > len(msg) { + return len(msg), &Error{err: "overflow packing base64"} + } + copy(msg[off:off+len(b64)], b64) + off += len(b64) + return off, nil +} + +func unpackStringHex(msg []byte, off, end int) (string, int, error) { + // Rest of the RR is hex encoded value, so we don't need an explicit length + // to be set. NSEC and TSIG have hex fields with a length field. + // What we do need is the end of the RR! + if end > len(msg) { + return "", len(msg), &Error{err: "overflow unpacking hex"} + } + + s := hex.EncodeToString(msg[off:end]) + return s, end, nil +} + +func packStringHex(s string, msg []byte, off int) (int, error) { + h, err := hex.DecodeString(s) + if err != nil { + return len(msg), err + } + if off+len(h) > len(msg) { + return len(msg), &Error{err: "overflow packing hex"} + } + copy(msg[off:off+len(h)], h) + off += len(h) + return off, nil +} + +func unpackStringAny(msg []byte, off, end int) (string, int, error) { + if end > len(msg) { + return "", len(msg), &Error{err: "overflow unpacking anything"} + } + return string(msg[off:end]), end, nil +} + +func packStringAny(s string, msg []byte, off int) (int, error) { + if off+len(s) > len(msg) { + return len(msg), &Error{err: "overflow packing anything"} + } + copy(msg[off:off+len(s)], s) + off += len(s) + return off, nil +} + +func unpackStringTxt(msg []byte, off int) ([]string, int, error) { + txt, off, err := unpackTxt(msg, off) + if err != nil { + return nil, len(msg), err + } + return txt, off, nil +} + +func packStringTxt(s []string, msg []byte, off int) (int, error) { + txtTmp := make([]byte, 256*4+1) // If the whole string consists out of \DDD we need this many. + off, err := packTxt(s, msg, off, txtTmp) + if err != nil { + return len(msg), err + } + return off, nil +} + +func unpackDataOpt(msg []byte, off int) ([]EDNS0, int, error) { + var edns []EDNS0 +Option: + var code uint16 + if off+4 > len(msg) { + return nil, len(msg), &Error{err: "overflow unpacking opt"} + } + code = binary.BigEndian.Uint16(msg[off:]) + off += 2 + optlen := binary.BigEndian.Uint16(msg[off:]) + off += 2 + if off+int(optlen) > len(msg) { + return nil, len(msg), &Error{err: "overflow unpacking opt"} + } + e := makeDataOpt(code) + if err := e.unpack(msg[off : off+int(optlen)]); err != nil { + return nil, len(msg), err + } + edns = append(edns, e) + off += int(optlen) + + if off < len(msg) { + goto Option + } + + return edns, off, nil +} + +func packDataOpt(options []EDNS0, msg []byte, off int) (int, error) { + for _, el := range options { + b, err := el.pack() + if err != nil || off+4 > len(msg) { + return len(msg), &Error{err: "overflow packing opt"} + } + binary.BigEndian.PutUint16(msg[off:], el.Option()) // Option code + binary.BigEndian.PutUint16(msg[off+2:], uint16(len(b))) // Length + off += 4 + if off+len(b) > len(msg) { + return len(msg), &Error{err: "overflow packing opt"} + } + // Actual data + copy(msg[off:off+len(b)], b) + off += len(b) + } + return off, nil +} + +func unpackStringOctet(msg []byte, off int) (string, int, error) { + s := string(msg[off:]) + return s, len(msg), nil +} + +func packStringOctet(s string, msg []byte, off int) (int, error) { + txtTmp := make([]byte, 256*4+1) + off, err := packOctetString(s, msg, off, txtTmp) + if err != nil { + return len(msg), err + } + return off, nil +} + +func unpackDataNsec(msg []byte, off int) ([]uint16, int, error) { + var nsec []uint16 + length, window, lastwindow := 0, 0, -1 + for off < len(msg) { + if off+2 > len(msg) { + return nsec, len(msg), &Error{err: "overflow unpacking nsecx"} + } + window = int(msg[off]) + length = int(msg[off+1]) + off += 2 + if window <= lastwindow { + // RFC 4034: Blocks are present in the NSEC RR RDATA in + // increasing numerical order. + return nsec, len(msg), &Error{err: "out of order NSEC block"} + } + if length == 0 { + // RFC 4034: Blocks with no types present MUST NOT be included. + return nsec, len(msg), &Error{err: "empty NSEC block"} + } + if length > 32 { + return nsec, len(msg), &Error{err: "NSEC block too long"} + } + if off+length > len(msg) { + return nsec, len(msg), &Error{err: "overflowing NSEC block"} + } + + // Walk the bytes in the window and extract the type bits + for j, b := range msg[off : off+length] { + // Check the bits one by one, and set the type + if b&0x80 == 0x80 { + nsec = append(nsec, uint16(window*256+j*8+0)) + } + if b&0x40 == 0x40 { + nsec = append(nsec, uint16(window*256+j*8+1)) + } + if b&0x20 == 0x20 { + nsec = append(nsec, uint16(window*256+j*8+2)) + } + if b&0x10 == 0x10 { + nsec = append(nsec, uint16(window*256+j*8+3)) + } + if b&0x8 == 0x8 { + nsec = append(nsec, uint16(window*256+j*8+4)) + } + if b&0x4 == 0x4 { + nsec = append(nsec, uint16(window*256+j*8+5)) + } + if b&0x2 == 0x2 { + nsec = append(nsec, uint16(window*256+j*8+6)) + } + if b&0x1 == 0x1 { + nsec = append(nsec, uint16(window*256+j*8+7)) + } + } + off += length + lastwindow = window + } + return nsec, off, nil +} + +// typeBitMapLen is a helper function which computes the "maximum" length of +// a the NSEC Type BitMap field. +func typeBitMapLen(bitmap []uint16) int { + var l int + var lastwindow, lastlength uint16 + for _, t := range bitmap { + window := t / 256 + length := (t-window*256)/8 + 1 + if window > lastwindow && lastlength != 0 { // New window, jump to the new offset + l += int(lastlength) + 2 + lastlength = 0 + } + if window < lastwindow || length < lastlength { + // packDataNsec would return Error{err: "nsec bits out of order"} here, but + // when computing the length, we want do be liberal. + continue + } + lastwindow, lastlength = window, length + } + l += int(lastlength) + 2 + return l +} + +func packDataNsec(bitmap []uint16, msg []byte, off int) (int, error) { + if len(bitmap) == 0 { + return off, nil + } + if off > len(msg) { + return off, &Error{err: "overflow packing nsec"} + } + toZero := msg[off:] + if maxLen := typeBitMapLen(bitmap); maxLen < len(toZero) { + toZero = toZero[:maxLen] + } + for i := range toZero { + toZero[i] = 0 + } + var lastwindow, lastlength uint16 + for _, t := range bitmap { + window := t / 256 + length := (t-window*256)/8 + 1 + if window > lastwindow && lastlength != 0 { // New window, jump to the new offset + off += int(lastlength) + 2 + lastlength = 0 + } + if window < lastwindow || length < lastlength { + return len(msg), &Error{err: "nsec bits out of order"} + } + if off+2+int(length) > len(msg) { + return len(msg), &Error{err: "overflow packing nsec"} + } + // Setting the window # + msg[off] = byte(window) + // Setting the octets length + msg[off+1] = byte(length) + // Setting the bit value for the type in the right octet + msg[off+1+int(length)] |= byte(1 << (7 - t%8)) + lastwindow, lastlength = window, length + } + off += int(lastlength) + 2 + return off, nil +} + +func unpackDataSVCB(msg []byte, off int) ([]SVCBKeyValue, int, error) { + var xs []SVCBKeyValue + var code uint16 + var length uint16 + var err error + for off < len(msg) { + code, off, err = unpackUint16(msg, off) + if err != nil { + return nil, len(msg), &Error{err: "overflow unpacking SVCB"} + } + length, off, err = unpackUint16(msg, off) + if err != nil || off+int(length) > len(msg) { + return nil, len(msg), &Error{err: "overflow unpacking SVCB"} + } + e := makeSVCBKeyValue(SVCBKey(code)) + if e == nil { + return nil, len(msg), &Error{err: "bad SVCB key"} + } + if err := e.unpack(msg[off : off+int(length)]); err != nil { + return nil, len(msg), err + } + if len(xs) > 0 && e.Key() <= xs[len(xs)-1].Key() { + return nil, len(msg), &Error{err: "SVCB keys not in strictly increasing order"} + } + xs = append(xs, e) + off += int(length) + } + return xs, off, nil +} + +func packDataSVCB(pairs []SVCBKeyValue, msg []byte, off int) (int, error) { + pairs = append([]SVCBKeyValue(nil), pairs...) + sort.Slice(pairs, func(i, j int) bool { + return pairs[i].Key() < pairs[j].Key() + }) + prev := svcb_RESERVED + for _, el := range pairs { + if el.Key() == prev { + return len(msg), &Error{err: "repeated SVCB keys are not allowed"} + } + prev = el.Key() + packed, err := el.pack() + if err != nil { + return len(msg), err + } + off, err = packUint16(uint16(el.Key()), msg, off) + if err != nil { + return len(msg), &Error{err: "overflow packing SVCB"} + } + off, err = packUint16(uint16(len(packed)), msg, off) + if err != nil || off+len(packed) > len(msg) { + return len(msg), &Error{err: "overflow packing SVCB"} + } + copy(msg[off:off+len(packed)], packed) + off += len(packed) + } + return off, nil +} + +func unpackDataDomainNames(msg []byte, off, end int) ([]string, int, error) { + var ( + servers []string + s string + err error + ) + if end > len(msg) { + return nil, len(msg), &Error{err: "overflow unpacking domain names"} + } + for off < end { + s, off, err = UnpackDomainName(msg, off) + if err != nil { + return servers, len(msg), err + } + servers = append(servers, s) + } + return servers, off, nil +} + +func packDataDomainNames(names []string, msg []byte, off int, compression compressionMap, compress bool) (int, error) { + var err error + for _, name := range names { + off, err = packDomainName(name, msg, off, compression, compress) + if err != nil { + return len(msg), err + } + } + return off, nil +} + +func packDataApl(data []APLPrefix, msg []byte, off int) (int, error) { + var err error + for i := range data { + off, err = packDataAplPrefix(&data[i], msg, off) + if err != nil { + return len(msg), err + } + } + return off, nil +} + +func packDataAplPrefix(p *APLPrefix, msg []byte, off int) (int, error) { + if len(p.Network.IP) != len(p.Network.Mask) { + return len(msg), &Error{err: "address and mask lengths don't match"} + } + + var err error + prefix, _ := p.Network.Mask.Size() + addr := p.Network.IP.Mask(p.Network.Mask)[:(prefix+7)/8] + + switch len(p.Network.IP) { + case net.IPv4len: + off, err = packUint16(1, msg, off) + case net.IPv6len: + off, err = packUint16(2, msg, off) + default: + err = &Error{err: "unrecognized address family"} + } + if err != nil { + return len(msg), err + } + + off, err = packUint8(uint8(prefix), msg, off) + if err != nil { + return len(msg), err + } + + var n uint8 + if p.Negation { + n = 0x80 + } + + // trim trailing zero bytes as specified in RFC3123 Sections 4.1 and 4.2. + i := len(addr) - 1 + for ; i >= 0 && addr[i] == 0; i-- { + } + addr = addr[:i+1] + + adflen := uint8(len(addr)) & 0x7f + off, err = packUint8(n|adflen, msg, off) + if err != nil { + return len(msg), err + } + + if off+len(addr) > len(msg) { + return len(msg), &Error{err: "overflow packing APL prefix"} + } + off += copy(msg[off:], addr) + + return off, nil +} + +func unpackDataApl(msg []byte, off int) ([]APLPrefix, int, error) { + var result []APLPrefix + for off < len(msg) { + prefix, end, err := unpackDataAplPrefix(msg, off) + if err != nil { + return nil, len(msg), err + } + off = end + result = append(result, prefix) + } + return result, off, nil +} + +func unpackDataAplPrefix(msg []byte, off int) (APLPrefix, int, error) { + family, off, err := unpackUint16(msg, off) + if err != nil { + return APLPrefix{}, len(msg), &Error{err: "overflow unpacking APL prefix"} + } + prefix, off, err := unpackUint8(msg, off) + if err != nil { + return APLPrefix{}, len(msg), &Error{err: "overflow unpacking APL prefix"} + } + nlen, off, err := unpackUint8(msg, off) + if err != nil { + return APLPrefix{}, len(msg), &Error{err: "overflow unpacking APL prefix"} + } + + var ip []byte + switch family { + case 1: + ip = make([]byte, net.IPv4len) + case 2: + ip = make([]byte, net.IPv6len) + default: + return APLPrefix{}, len(msg), &Error{err: "unrecognized APL address family"} + } + if int(prefix) > 8*len(ip) { + return APLPrefix{}, len(msg), &Error{err: "APL prefix too long"} + } + afdlen := int(nlen & 0x7f) + if afdlen > len(ip) { + return APLPrefix{}, len(msg), &Error{err: "APL length too long"} + } + if off+afdlen > len(msg) { + return APLPrefix{}, len(msg), &Error{err: "overflow unpacking APL address"} + } + + // Address MUST NOT contain trailing zero bytes per RFC3123 Sections 4.1 and 4.2. + off += copy(ip, msg[off:off+afdlen]) + if afdlen > 0 { + last := ip[afdlen-1] + if last == 0 { + return APLPrefix{}, len(msg), &Error{err: "extra APL address bits"} + } + } + ipnet := net.IPNet{ + IP: ip, + Mask: net.CIDRMask(int(prefix), 8*len(ip)), + } + + return APLPrefix{ + Negation: (nlen & 0x80) != 0, + Network: ipnet, + }, off, nil +} diff --git a/vendor/github.com/miekg/dns/msg_truncate.go b/vendor/github.com/miekg/dns/msg_truncate.go new file mode 100644 index 000000000..2ddc9a7da --- /dev/null +++ b/vendor/github.com/miekg/dns/msg_truncate.go @@ -0,0 +1,117 @@ +package dns + +// Truncate ensures the reply message will fit into the requested buffer +// size by removing records that exceed the requested size. +// +// It will first check if the reply fits without compression and then with +// compression. If it won't fit with compression, Truncate then walks the +// record adding as many records as possible without exceeding the +// requested buffer size. +// +// If the message fits within the requested size without compression, +// Truncate will set the message's Compress attribute to false. It is +// the caller's responsibility to set it back to true if they wish to +// compress the payload regardless of size. +// +// The TC bit will be set if any records were excluded from the message. +// If the TC bit is already set on the message it will be retained. +// TC indicates that the client should retry over TCP. +// +// According to RFC 2181, the TC bit should only be set if not all of the +// "required" RRs can be included in the response. Unfortunately, we have +// no way of knowing which RRs are required so we set the TC bit if any RR +// had to be omitted from the response. +// +// The appropriate buffer size can be retrieved from the requests OPT +// record, if present, and is transport specific otherwise. dns.MinMsgSize +// should be used for UDP requests without an OPT record, and +// dns.MaxMsgSize for TCP requests without an OPT record. +func (dns *Msg) Truncate(size int) { + if dns.IsTsig() != nil { + // To simplify this implementation, we don't perform + // truncation on responses with a TSIG record. + return + } + + // RFC 6891 mandates that the payload size in an OPT record + // less than 512 (MinMsgSize) bytes must be treated as equal to 512 bytes. + // + // For ease of use, we impose that restriction here. + if size < MinMsgSize { + size = MinMsgSize + } + + l := msgLenWithCompressionMap(dns, nil) // uncompressed length + if l <= size { + // Don't waste effort compressing this message. + dns.Compress = false + return + } + + dns.Compress = true + + edns0 := dns.popEdns0() + if edns0 != nil { + // Account for the OPT record that gets added at the end, + // by subtracting that length from our budget. + // + // The EDNS(0) OPT record must have the root domain and + // it's length is thus unaffected by compression. + size -= Len(edns0) + } + + compression := make(map[string]struct{}) + + l = headerSize + for _, r := range dns.Question { + l += r.len(l, compression) + } + + var numAnswer int + if l < size { + l, numAnswer = truncateLoop(dns.Answer, size, l, compression) + } + + var numNS int + if l < size { + l, numNS = truncateLoop(dns.Ns, size, l, compression) + } + + var numExtra int + if l < size { + _, numExtra = truncateLoop(dns.Extra, size, l, compression) + } + + // See the function documentation for when we set this. + dns.Truncated = dns.Truncated || len(dns.Answer) > numAnswer || + len(dns.Ns) > numNS || len(dns.Extra) > numExtra + + dns.Answer = dns.Answer[:numAnswer] + dns.Ns = dns.Ns[:numNS] + dns.Extra = dns.Extra[:numExtra] + + if edns0 != nil { + // Add the OPT record back onto the additional section. + dns.Extra = append(dns.Extra, edns0) + } +} + +func truncateLoop(rrs []RR, size, l int, compression map[string]struct{}) (int, int) { + for i, r := range rrs { + if r == nil { + continue + } + + l += r.len(l, compression) + if l > size { + // Return size, rather than l prior to this record, + // to prevent any further records being added. + return size, i + } + if l == size { + return l, i + 1 + } + } + + return l, len(rrs) +} diff --git a/vendor/github.com/miekg/dns/nsecx.go b/vendor/github.com/miekg/dns/nsecx.go new file mode 100644 index 000000000..f8826817b --- /dev/null +++ b/vendor/github.com/miekg/dns/nsecx.go @@ -0,0 +1,95 @@ +package dns + +import ( + "crypto/sha1" + "encoding/hex" + "strings" +) + +// HashName hashes a string (label) according to RFC 5155. It returns the hashed string in uppercase. +func HashName(label string, ha uint8, iter uint16, salt string) string { + if ha != SHA1 { + return "" + } + + wireSalt := make([]byte, hex.DecodedLen(len(salt))) + n, err := packStringHex(salt, wireSalt, 0) + if err != nil { + return "" + } + wireSalt = wireSalt[:n] + + name := make([]byte, 255) + off, err := PackDomainName(strings.ToLower(label), name, 0, nil, false) + if err != nil { + return "" + } + name = name[:off] + + s := sha1.New() + // k = 0 + s.Write(name) + s.Write(wireSalt) + nsec3 := s.Sum(nil) + + // k > 0 + for k := uint16(0); k < iter; k++ { + s.Reset() + s.Write(nsec3) + s.Write(wireSalt) + nsec3 = s.Sum(nsec3[:0]) + } + + return toBase32(nsec3) +} + +// Cover returns true if a name is covered by the NSEC3 record. +func (rr *NSEC3) Cover(name string) bool { + nameHash := HashName(name, rr.Hash, rr.Iterations, rr.Salt) + owner := strings.ToUpper(rr.Hdr.Name) + labelIndices := Split(owner) + if len(labelIndices) < 2 { + return false + } + ownerHash := owner[:labelIndices[1]-1] + ownerZone := owner[labelIndices[1]:] + if !IsSubDomain(ownerZone, strings.ToUpper(name)) { // name is outside owner zone + return false + } + + nextHash := rr.NextDomain + + // if empty interval found, try cover wildcard hashes so nameHash shouldn't match with ownerHash + if ownerHash == nextHash && nameHash != ownerHash { // empty interval + return true + } + if ownerHash > nextHash { // end of zone + if nameHash > ownerHash { // covered since there is nothing after ownerHash + return true + } + return nameHash < nextHash // if nameHash is before beginning of zone it is covered + } + if nameHash < ownerHash { // nameHash is before ownerHash, not covered + return false + } + return nameHash < nextHash // if nameHash is before nextHash is it covered (between ownerHash and nextHash) +} + +// Match returns true if a name matches the NSEC3 record +func (rr *NSEC3) Match(name string) bool { + nameHash := HashName(name, rr.Hash, rr.Iterations, rr.Salt) + owner := strings.ToUpper(rr.Hdr.Name) + labelIndices := Split(owner) + if len(labelIndices) < 2 { + return false + } + ownerHash := owner[:labelIndices[1]-1] + ownerZone := owner[labelIndices[1]:] + if !IsSubDomain(ownerZone, strings.ToUpper(name)) { // name is outside owner zone + return false + } + if ownerHash == nameHash { + return true + } + return false +} diff --git a/vendor/github.com/miekg/dns/privaterr.go b/vendor/github.com/miekg/dns/privaterr.go new file mode 100644 index 000000000..d256b652e --- /dev/null +++ b/vendor/github.com/miekg/dns/privaterr.go @@ -0,0 +1,113 @@ +package dns + +import "strings" + +// PrivateRdata is an interface used for implementing "Private Use" RR types, see +// RFC 6895. This allows one to experiment with new RR types, without requesting an +// official type code. Also see dns.PrivateHandle and dns.PrivateHandleRemove. +type PrivateRdata interface { + // String returns the text presentation of the Rdata of the Private RR. + String() string + // Parse parses the Rdata of the private RR. + Parse([]string) error + // Pack is used when packing a private RR into a buffer. + Pack([]byte) (int, error) + // Unpack is used when unpacking a private RR from a buffer. + Unpack([]byte) (int, error) + // Copy copies the Rdata into the PrivateRdata argument. + Copy(PrivateRdata) error + // Len returns the length in octets of the Rdata. + Len() int +} + +// PrivateRR represents an RR that uses a PrivateRdata user-defined type. +// It mocks normal RRs and implements dns.RR interface. +type PrivateRR struct { + Hdr RR_Header + Data PrivateRdata + + generator func() PrivateRdata // for copy +} + +// Header return the RR header of r. +func (r *PrivateRR) Header() *RR_Header { return &r.Hdr } + +func (r *PrivateRR) String() string { return r.Hdr.String() + r.Data.String() } + +// Private len and copy parts to satisfy RR interface. +func (r *PrivateRR) len(off int, compression map[string]struct{}) int { + l := r.Hdr.len(off, compression) + l += r.Data.Len() + return l +} + +func (r *PrivateRR) copy() RR { + // make new RR like this: + rr := &PrivateRR{r.Hdr, r.generator(), r.generator} + + if err := r.Data.Copy(rr.Data); err != nil { + panic("dns: got value that could not be used to copy Private rdata: " + err.Error()) + } + + return rr +} + +func (r *PrivateRR) pack(msg []byte, off int, compression compressionMap, compress bool) (int, error) { + n, err := r.Data.Pack(msg[off:]) + if err != nil { + return len(msg), err + } + off += n + return off, nil +} + +func (r *PrivateRR) unpack(msg []byte, off int) (int, error) { + off1, err := r.Data.Unpack(msg[off:]) + off += off1 + return off, err +} + +func (r *PrivateRR) parse(c *zlexer, origin string) *ParseError { + var l lex + text := make([]string, 0, 2) // could be 0..N elements, median is probably 1 +Fetch: + for { + // TODO(miek): we could also be returning _QUOTE, this might or might not + // be an issue (basically parsing TXT becomes hard) + switch l, _ = c.Next(); l.value { + case zNewline, zEOF: + break Fetch + case zString: + text = append(text, l.token) + } + } + + err := r.Data.Parse(text) + if err != nil { + return &ParseError{"", err.Error(), l} + } + + return nil +} + +func (r *PrivateRR) isDuplicate(r2 RR) bool { return false } + +// PrivateHandle registers a private resource record type. It requires +// string and numeric representation of private RR type and generator function as argument. +func PrivateHandle(rtypestr string, rtype uint16, generator func() PrivateRdata) { + rtypestr = strings.ToUpper(rtypestr) + + TypeToRR[rtype] = func() RR { return &PrivateRR{RR_Header{}, generator(), generator} } + TypeToString[rtype] = rtypestr + StringToType[rtypestr] = rtype +} + +// PrivateHandleRemove removes definitions required to support private RR type. +func PrivateHandleRemove(rtype uint16) { + rtypestr, ok := TypeToString[rtype] + if ok { + delete(TypeToRR, rtype) + delete(TypeToString, rtype) + delete(StringToType, rtypestr) + } +} diff --git a/vendor/github.com/miekg/dns/reverse.go b/vendor/github.com/miekg/dns/reverse.go new file mode 100644 index 000000000..28151af83 --- /dev/null +++ b/vendor/github.com/miekg/dns/reverse.go @@ -0,0 +1,52 @@ +package dns + +// StringToType is the reverse of TypeToString, needed for string parsing. +var StringToType = reverseInt16(TypeToString) + +// StringToClass is the reverse of ClassToString, needed for string parsing. +var StringToClass = reverseInt16(ClassToString) + +// StringToOpcode is a map of opcodes to strings. +var StringToOpcode = reverseInt(OpcodeToString) + +// StringToRcode is a map of rcodes to strings. +var StringToRcode = reverseInt(RcodeToString) + +func init() { + // Preserve previous NOTIMP typo, see github.com/miekg/dns/issues/733. + StringToRcode["NOTIMPL"] = RcodeNotImplemented +} + +// StringToAlgorithm is the reverse of AlgorithmToString. +var StringToAlgorithm = reverseInt8(AlgorithmToString) + +// StringToHash is a map of names to hash IDs. +var StringToHash = reverseInt8(HashToString) + +// StringToCertType is the reverseof CertTypeToString. +var StringToCertType = reverseInt16(CertTypeToString) + +// Reverse a map +func reverseInt8(m map[uint8]string) map[string]uint8 { + n := make(map[string]uint8, len(m)) + for u, s := range m { + n[s] = u + } + return n +} + +func reverseInt16(m map[uint16]string) map[string]uint16 { + n := make(map[string]uint16, len(m)) + for u, s := range m { + n[s] = u + } + return n +} + +func reverseInt(m map[int]string) map[string]int { + n := make(map[string]int, len(m)) + for u, s := range m { + n[s] = u + } + return n +} diff --git a/vendor/github.com/miekg/dns/sanitize.go b/vendor/github.com/miekg/dns/sanitize.go new file mode 100644 index 000000000..a638e862e --- /dev/null +++ b/vendor/github.com/miekg/dns/sanitize.go @@ -0,0 +1,86 @@ +package dns + +// Dedup removes identical RRs from rrs. It preserves the original ordering. +// The lowest TTL of any duplicates is used in the remaining one. Dedup modifies +// rrs. +// m is used to store the RRs temporary. If it is nil a new map will be allocated. +func Dedup(rrs []RR, m map[string]RR) []RR { + + if m == nil { + m = make(map[string]RR) + } + // Save the keys, so we don't have to call normalizedString twice. + keys := make([]*string, 0, len(rrs)) + + for _, r := range rrs { + key := normalizedString(r) + keys = append(keys, &key) + if mr, ok := m[key]; ok { + // Shortest TTL wins. + rh, mrh := r.Header(), mr.Header() + if mrh.Ttl > rh.Ttl { + mrh.Ttl = rh.Ttl + } + continue + } + + m[key] = r + } + // If the length of the result map equals the amount of RRs we got, + // it means they were all different. We can then just return the original rrset. + if len(m) == len(rrs) { + return rrs + } + + j := 0 + for i, r := range rrs { + // If keys[i] lives in the map, we should copy and remove it. + if _, ok := m[*keys[i]]; ok { + delete(m, *keys[i]) + rrs[j] = r + j++ + } + + if len(m) == 0 { + break + } + } + + return rrs[:j] +} + +// normalizedString returns a normalized string from r. The TTL +// is removed and the domain name is lowercased. We go from this: +// DomainNameTTLCLASSTYPERDATA to: +// lowercasenameCLASSTYPE... +func normalizedString(r RR) string { + // A string Go DNS makes has: domainnameTTL... + b := []byte(r.String()) + + // find the first non-escaped tab, then another, so we capture where the TTL lives. + esc := false + ttlStart, ttlEnd := 0, 0 + for i := 0; i < len(b) && ttlEnd == 0; i++ { + switch { + case b[i] == '\\': + esc = !esc + case b[i] == '\t' && !esc: + if ttlStart == 0 { + ttlStart = i + continue + } + if ttlEnd == 0 { + ttlEnd = i + } + case b[i] >= 'A' && b[i] <= 'Z' && !esc: + b[i] += 32 + default: + esc = false + } + } + + // remove TTL. + copy(b[ttlStart:], b[ttlEnd:]) + cut := ttlEnd - ttlStart + return string(b[:len(b)-cut]) +} diff --git a/vendor/github.com/miekg/dns/scan.go b/vendor/github.com/miekg/dns/scan.go new file mode 100644 index 000000000..57be98827 --- /dev/null +++ b/vendor/github.com/miekg/dns/scan.go @@ -0,0 +1,1368 @@ +package dns + +import ( + "bufio" + "fmt" + "io" + "os" + "path/filepath" + "strconv" + "strings" +) + +const maxTok = 2048 // Largest token we can return. + +// The maximum depth of $INCLUDE directives supported by the +// ZoneParser API. +const maxIncludeDepth = 7 + +// Tokinize a RFC 1035 zone file. The tokenizer will normalize it: +// * Add ownernames if they are left blank; +// * Suppress sequences of spaces; +// * Make each RR fit on one line (_NEWLINE is send as last) +// * Handle comments: ; +// * Handle braces - anywhere. +const ( + // Zonefile + zEOF = iota + zString + zBlank + zQuote + zNewline + zRrtpe + zOwner + zClass + zDirOrigin // $ORIGIN + zDirTTL // $TTL + zDirInclude // $INCLUDE + zDirGenerate // $GENERATE + + // Privatekey file + zValue + zKey + + zExpectOwnerDir // Ownername + zExpectOwnerBl // Whitespace after the ownername + zExpectAny // Expect rrtype, ttl or class + zExpectAnyNoClass // Expect rrtype or ttl + zExpectAnyNoClassBl // The whitespace after _EXPECT_ANY_NOCLASS + zExpectAnyNoTTL // Expect rrtype or class + zExpectAnyNoTTLBl // Whitespace after _EXPECT_ANY_NOTTL + zExpectRrtype // Expect rrtype + zExpectRrtypeBl // Whitespace BEFORE rrtype + zExpectRdata // The first element of the rdata + zExpectDirTTLBl // Space after directive $TTL + zExpectDirTTL // Directive $TTL + zExpectDirOriginBl // Space after directive $ORIGIN + zExpectDirOrigin // Directive $ORIGIN + zExpectDirIncludeBl // Space after directive $INCLUDE + zExpectDirInclude // Directive $INCLUDE + zExpectDirGenerate // Directive $GENERATE + zExpectDirGenerateBl // Space after directive $GENERATE +) + +// ParseError is a parsing error. It contains the parse error and the location in the io.Reader +// where the error occurred. +type ParseError struct { + file string + err string + lex lex +} + +func (e *ParseError) Error() (s string) { + if e.file != "" { + s = e.file + ": " + } + s += "dns: " + e.err + ": " + strconv.QuoteToASCII(e.lex.token) + " at line: " + + strconv.Itoa(e.lex.line) + ":" + strconv.Itoa(e.lex.column) + return +} + +type lex struct { + token string // text of the token + err bool // when true, token text has lexer error + value uint8 // value: zString, _BLANK, etc. + torc uint16 // type or class as parsed in the lexer, we only need to look this up in the grammar + line int // line in the file + column int // column in the file +} + +// ttlState describes the state necessary to fill in an omitted RR TTL +type ttlState struct { + ttl uint32 // ttl is the current default TTL + isByDirective bool // isByDirective indicates whether ttl was set by a $TTL directive +} + +// NewRR reads the RR contained in the string s. Only the first RR is returned. +// If s contains no records, NewRR will return nil with no error. +// +// The class defaults to IN and TTL defaults to 3600. The full zone file syntax +// like $TTL, $ORIGIN, etc. is supported. All fields of the returned RR are +// set, except RR.Header().Rdlength which is set to 0. +func NewRR(s string) (RR, error) { + if len(s) > 0 && s[len(s)-1] != '\n' { // We need a closing newline + return ReadRR(strings.NewReader(s+"\n"), "") + } + return ReadRR(strings.NewReader(s), "") +} + +// ReadRR reads the RR contained in r. +// +// The string file is used in error reporting and to resolve relative +// $INCLUDE directives. +// +// See NewRR for more documentation. +func ReadRR(r io.Reader, file string) (RR, error) { + zp := NewZoneParser(r, ".", file) + zp.SetDefaultTTL(defaultTtl) + zp.SetIncludeAllowed(true) + rr, _ := zp.Next() + return rr, zp.Err() +} + +// ZoneParser is a parser for an RFC 1035 style zonefile. +// +// Each parsed RR in the zone is returned sequentially from Next. An +// optional comment can be retrieved with Comment. +// +// The directives $INCLUDE, $ORIGIN, $TTL and $GENERATE are all +// supported. Although $INCLUDE is disabled by default. +// Note that $GENERATE's range support up to a maximum of 65535 steps. +// +// Basic usage pattern when reading from a string (z) containing the +// zone data: +// +// zp := NewZoneParser(strings.NewReader(z), "", "") +// +// for rr, ok := zp.Next(); ok; rr, ok = zp.Next() { +// // Do something with rr +// } +// +// if err := zp.Err(); err != nil { +// // log.Println(err) +// } +// +// Comments specified after an RR (and on the same line!) are +// returned too: +// +// foo. IN A 10.0.0.1 ; this is a comment +// +// The text "; this is comment" is returned from Comment. Comments inside +// the RR are returned concatenated along with the RR. Comments on a line +// by themselves are discarded. +// +// Callers should not assume all returned data in an Resource Record is +// syntactically correct, e.g. illegal base64 in RRSIGs will be returned as-is. +type ZoneParser struct { + c *zlexer + + parseErr *ParseError + + origin string + file string + + defttl *ttlState + + h RR_Header + + // sub is used to parse $INCLUDE files and $GENERATE directives. + // Next, by calling subNext, forwards the resulting RRs from this + // sub parser to the calling code. + sub *ZoneParser + osFile *os.File + + includeDepth uint8 + + includeAllowed bool + generateDisallowed bool +} + +// NewZoneParser returns an RFC 1035 style zonefile parser that reads +// from r. +// +// The string file is used in error reporting and to resolve relative +// $INCLUDE directives. The string origin is used as the initial +// origin, as if the file would start with an $ORIGIN directive. +func NewZoneParser(r io.Reader, origin, file string) *ZoneParser { + var pe *ParseError + if origin != "" { + origin = Fqdn(origin) + if _, ok := IsDomainName(origin); !ok { + pe = &ParseError{file, "bad initial origin name", lex{}} + } + } + + return &ZoneParser{ + c: newZLexer(r), + + parseErr: pe, + + origin: origin, + file: file, + } +} + +// SetDefaultTTL sets the parsers default TTL to ttl. +func (zp *ZoneParser) SetDefaultTTL(ttl uint32) { + zp.defttl = &ttlState{ttl, false} +} + +// SetIncludeAllowed controls whether $INCLUDE directives are +// allowed. $INCLUDE directives are not supported by default. +// +// The $INCLUDE directive will open and read from a user controlled +// file on the system. Even if the file is not a valid zonefile, the +// contents of the file may be revealed in error messages, such as: +// +// /etc/passwd: dns: not a TTL: "root:x:0:0:root:/root:/bin/bash" at line: 1:31 +// /etc/shadow: dns: not a TTL: "root:$6$::0:99999:7:::" at line: 1:125 +func (zp *ZoneParser) SetIncludeAllowed(v bool) { + zp.includeAllowed = v +} + +// Err returns the first non-EOF error that was encountered by the +// ZoneParser. +func (zp *ZoneParser) Err() error { + if zp.parseErr != nil { + return zp.parseErr + } + + if zp.sub != nil { + if err := zp.sub.Err(); err != nil { + return err + } + } + + return zp.c.Err() +} + +func (zp *ZoneParser) setParseError(err string, l lex) (RR, bool) { + zp.parseErr = &ParseError{zp.file, err, l} + return nil, false +} + +// Comment returns an optional text comment that occurred alongside +// the RR. +func (zp *ZoneParser) Comment() string { + if zp.parseErr != nil { + return "" + } + + if zp.sub != nil { + return zp.sub.Comment() + } + + return zp.c.Comment() +} + +func (zp *ZoneParser) subNext() (RR, bool) { + if rr, ok := zp.sub.Next(); ok { + return rr, true + } + + if zp.sub.osFile != nil { + zp.sub.osFile.Close() + zp.sub.osFile = nil + } + + if zp.sub.Err() != nil { + // We have errors to surface. + return nil, false + } + + zp.sub = nil + return zp.Next() +} + +// Next advances the parser to the next RR in the zonefile and +// returns the (RR, true). It will return (nil, false) when the +// parsing stops, either by reaching the end of the input or an +// error. After Next returns (nil, false), the Err method will return +// any error that occurred during parsing. +func (zp *ZoneParser) Next() (RR, bool) { + if zp.parseErr != nil { + return nil, false + } + if zp.sub != nil { + return zp.subNext() + } + + // 6 possible beginnings of a line (_ is a space): + // + // 0. zRRTYPE -> all omitted until the rrtype + // 1. zOwner _ zRrtype -> class/ttl omitted + // 2. zOwner _ zString _ zRrtype -> class omitted + // 3. zOwner _ zString _ zClass _ zRrtype -> ttl/class + // 4. zOwner _ zClass _ zRrtype -> ttl omitted + // 5. zOwner _ zClass _ zString _ zRrtype -> class/ttl (reversed) + // + // After detecting these, we know the zRrtype so we can jump to functions + // handling the rdata for each of these types. + + st := zExpectOwnerDir // initial state + h := &zp.h + + for l, ok := zp.c.Next(); ok; l, ok = zp.c.Next() { + // zlexer spotted an error already + if l.err { + return zp.setParseError(l.token, l) + } + + switch st { + case zExpectOwnerDir: + // We can also expect a directive, like $TTL or $ORIGIN + if zp.defttl != nil { + h.Ttl = zp.defttl.ttl + } + + h.Class = ClassINET + + switch l.value { + case zNewline: + st = zExpectOwnerDir + case zOwner: + name, ok := toAbsoluteName(l.token, zp.origin) + if !ok { + return zp.setParseError("bad owner name", l) + } + + h.Name = name + + st = zExpectOwnerBl + case zDirTTL: + st = zExpectDirTTLBl + case zDirOrigin: + st = zExpectDirOriginBl + case zDirInclude: + st = zExpectDirIncludeBl + case zDirGenerate: + st = zExpectDirGenerateBl + case zRrtpe: + h.Rrtype = l.torc + + st = zExpectRdata + case zClass: + h.Class = l.torc + + st = zExpectAnyNoClassBl + case zBlank: + // Discard, can happen when there is nothing on the + // line except the RR type + case zString: + ttl, ok := stringToTTL(l.token) + if !ok { + return zp.setParseError("not a TTL", l) + } + + h.Ttl = ttl + + if zp.defttl == nil || !zp.defttl.isByDirective { + zp.defttl = &ttlState{ttl, false} + } + + st = zExpectAnyNoTTLBl + default: + return zp.setParseError("syntax error at beginning", l) + } + case zExpectDirIncludeBl: + if l.value != zBlank { + return zp.setParseError("no blank after $INCLUDE-directive", l) + } + + st = zExpectDirInclude + case zExpectDirInclude: + if l.value != zString { + return zp.setParseError("expecting $INCLUDE value, not this...", l) + } + + neworigin := zp.origin // There may be optionally a new origin set after the filename, if not use current one + switch l, _ := zp.c.Next(); l.value { + case zBlank: + l, _ := zp.c.Next() + if l.value == zString { + name, ok := toAbsoluteName(l.token, zp.origin) + if !ok { + return zp.setParseError("bad origin name", l) + } + + neworigin = name + } + case zNewline, zEOF: + // Ok + default: + return zp.setParseError("garbage after $INCLUDE", l) + } + + if !zp.includeAllowed { + return zp.setParseError("$INCLUDE directive not allowed", l) + } + if zp.includeDepth >= maxIncludeDepth { + return zp.setParseError("too deeply nested $INCLUDE", l) + } + + // Start with the new file + includePath := l.token + if !filepath.IsAbs(includePath) { + includePath = filepath.Join(filepath.Dir(zp.file), includePath) + } + + r1, e1 := os.Open(includePath) + if e1 != nil { + var as string + if !filepath.IsAbs(l.token) { + as = fmt.Sprintf(" as `%s'", includePath) + } + + msg := fmt.Sprintf("failed to open `%s'%s: %v", l.token, as, e1) + return zp.setParseError(msg, l) + } + + zp.sub = NewZoneParser(r1, neworigin, includePath) + zp.sub.defttl, zp.sub.includeDepth, zp.sub.osFile = zp.defttl, zp.includeDepth+1, r1 + zp.sub.SetIncludeAllowed(true) + return zp.subNext() + case zExpectDirTTLBl: + if l.value != zBlank { + return zp.setParseError("no blank after $TTL-directive", l) + } + + st = zExpectDirTTL + case zExpectDirTTL: + if l.value != zString { + return zp.setParseError("expecting $TTL value, not this...", l) + } + + if err := slurpRemainder(zp.c); err != nil { + return zp.setParseError(err.err, err.lex) + } + + ttl, ok := stringToTTL(l.token) + if !ok { + return zp.setParseError("expecting $TTL value, not this...", l) + } + + zp.defttl = &ttlState{ttl, true} + + st = zExpectOwnerDir + case zExpectDirOriginBl: + if l.value != zBlank { + return zp.setParseError("no blank after $ORIGIN-directive", l) + } + + st = zExpectDirOrigin + case zExpectDirOrigin: + if l.value != zString { + return zp.setParseError("expecting $ORIGIN value, not this...", l) + } + + if err := slurpRemainder(zp.c); err != nil { + return zp.setParseError(err.err, err.lex) + } + + name, ok := toAbsoluteName(l.token, zp.origin) + if !ok { + return zp.setParseError("bad origin name", l) + } + + zp.origin = name + + st = zExpectOwnerDir + case zExpectDirGenerateBl: + if l.value != zBlank { + return zp.setParseError("no blank after $GENERATE-directive", l) + } + + st = zExpectDirGenerate + case zExpectDirGenerate: + if zp.generateDisallowed { + return zp.setParseError("nested $GENERATE directive not allowed", l) + } + if l.value != zString { + return zp.setParseError("expecting $GENERATE value, not this...", l) + } + + return zp.generate(l) + case zExpectOwnerBl: + if l.value != zBlank { + return zp.setParseError("no blank after owner", l) + } + + st = zExpectAny + case zExpectAny: + switch l.value { + case zRrtpe: + if zp.defttl == nil { + return zp.setParseError("missing TTL with no previous value", l) + } + + h.Rrtype = l.torc + + st = zExpectRdata + case zClass: + h.Class = l.torc + + st = zExpectAnyNoClassBl + case zString: + ttl, ok := stringToTTL(l.token) + if !ok { + return zp.setParseError("not a TTL", l) + } + + h.Ttl = ttl + + if zp.defttl == nil || !zp.defttl.isByDirective { + zp.defttl = &ttlState{ttl, false} + } + + st = zExpectAnyNoTTLBl + default: + return zp.setParseError("expecting RR type, TTL or class, not this...", l) + } + case zExpectAnyNoClassBl: + if l.value != zBlank { + return zp.setParseError("no blank before class", l) + } + + st = zExpectAnyNoClass + case zExpectAnyNoTTLBl: + if l.value != zBlank { + return zp.setParseError("no blank before TTL", l) + } + + st = zExpectAnyNoTTL + case zExpectAnyNoTTL: + switch l.value { + case zClass: + h.Class = l.torc + + st = zExpectRrtypeBl + case zRrtpe: + h.Rrtype = l.torc + + st = zExpectRdata + default: + return zp.setParseError("expecting RR type or class, not this...", l) + } + case zExpectAnyNoClass: + switch l.value { + case zString: + ttl, ok := stringToTTL(l.token) + if !ok { + return zp.setParseError("not a TTL", l) + } + + h.Ttl = ttl + + if zp.defttl == nil || !zp.defttl.isByDirective { + zp.defttl = &ttlState{ttl, false} + } + + st = zExpectRrtypeBl + case zRrtpe: + h.Rrtype = l.torc + + st = zExpectRdata + default: + return zp.setParseError("expecting RR type or TTL, not this...", l) + } + case zExpectRrtypeBl: + if l.value != zBlank { + return zp.setParseError("no blank before RR type", l) + } + + st = zExpectRrtype + case zExpectRrtype: + if l.value != zRrtpe { + return zp.setParseError("unknown RR type", l) + } + + h.Rrtype = l.torc + + st = zExpectRdata + case zExpectRdata: + var ( + rr RR + parseAsRFC3597 bool + ) + if newFn, ok := TypeToRR[h.Rrtype]; ok { + rr = newFn() + *rr.Header() = *h + + // We may be parsing a known RR type using the RFC3597 format. + // If so, we handle that here in a generic way. + // + // This is also true for PrivateRR types which will have the + // RFC3597 parsing done for them and the Unpack method called + // to populate the RR instead of simply deferring to Parse. + if zp.c.Peek().token == "\\#" { + parseAsRFC3597 = true + } + } else { + rr = &RFC3597{Hdr: *h} + } + + _, isPrivate := rr.(*PrivateRR) + if !isPrivate && zp.c.Peek().token == "" { + // This is a dynamic update rr. + + // TODO(tmthrgd): Previously slurpRemainder was only called + // for certain RR types, which may have been important. + if err := slurpRemainder(zp.c); err != nil { + return zp.setParseError(err.err, err.lex) + } + + return rr, true + } else if l.value == zNewline { + return zp.setParseError("unexpected newline", l) + } + + parseAsRR := rr + if parseAsRFC3597 { + parseAsRR = &RFC3597{Hdr: *h} + } + + if err := parseAsRR.parse(zp.c, zp.origin); err != nil { + // err is a concrete *ParseError without the file field set. + // The setParseError call below will construct a new + // *ParseError with file set to zp.file. + + // err.lex may be nil in which case we substitute our current + // lex token. + if err.lex == (lex{}) { + return zp.setParseError(err.err, l) + } + + return zp.setParseError(err.err, err.lex) + } + + if parseAsRFC3597 { + err := parseAsRR.(*RFC3597).fromRFC3597(rr) + if err != nil { + return zp.setParseError(err.Error(), l) + } + } + + return rr, true + } + } + + // If we get here, we and the h.Rrtype is still zero, we haven't parsed anything, this + // is not an error, because an empty zone file is still a zone file. + return nil, false +} + +type zlexer struct { + br io.ByteReader + + readErr error + + line int + column int + + comBuf string + comment string + + l lex + cachedL *lex + + brace int + quote bool + space bool + commt bool + rrtype bool + owner bool + + nextL bool + + eol bool // end-of-line +} + +func newZLexer(r io.Reader) *zlexer { + br, ok := r.(io.ByteReader) + if !ok { + br = bufio.NewReaderSize(r, 1024) + } + + return &zlexer{ + br: br, + + line: 1, + + owner: true, + } +} + +func (zl *zlexer) Err() error { + if zl.readErr == io.EOF { + return nil + } + + return zl.readErr +} + +// readByte returns the next byte from the input +func (zl *zlexer) readByte() (byte, bool) { + if zl.readErr != nil { + return 0, false + } + + c, err := zl.br.ReadByte() + if err != nil { + zl.readErr = err + return 0, false + } + + // delay the newline handling until the next token is delivered, + // fixes off-by-one errors when reporting a parse error. + if zl.eol { + zl.line++ + zl.column = 0 + zl.eol = false + } + + if c == '\n' { + zl.eol = true + } else { + zl.column++ + } + + return c, true +} + +func (zl *zlexer) Peek() lex { + if zl.nextL { + return zl.l + } + + l, ok := zl.Next() + if !ok { + return l + } + + if zl.nextL { + // Cache l. Next returns zl.cachedL then zl.l. + zl.cachedL = &l + } else { + // In this case l == zl.l, so we just tell Next to return zl.l. + zl.nextL = true + } + + return l +} + +func (zl *zlexer) Next() (lex, bool) { + l := &zl.l + switch { + case zl.cachedL != nil: + l, zl.cachedL = zl.cachedL, nil + return *l, true + case zl.nextL: + zl.nextL = false + return *l, true + case l.err: + // Parsing errors should be sticky. + return lex{value: zEOF}, false + } + + var ( + str [maxTok]byte // Hold string text + com [maxTok]byte // Hold comment text + + stri int // Offset in str (0 means empty) + comi int // Offset in com (0 means empty) + + escape bool + ) + + if zl.comBuf != "" { + comi = copy(com[:], zl.comBuf) + zl.comBuf = "" + } + + zl.comment = "" + + for x, ok := zl.readByte(); ok; x, ok = zl.readByte() { + l.line, l.column = zl.line, zl.column + + if stri >= len(str) { + l.token = "token length insufficient for parsing" + l.err = true + return *l, true + } + if comi >= len(com) { + l.token = "comment length insufficient for parsing" + l.err = true + return *l, true + } + + switch x { + case ' ', '\t': + if escape || zl.quote { + // Inside quotes or escaped this is legal. + str[stri] = x + stri++ + + escape = false + break + } + + if zl.commt { + com[comi] = x + comi++ + break + } + + var retL lex + if stri == 0 { + // Space directly in the beginning, handled in the grammar + } else if zl.owner { + // If we have a string and its the first, make it an owner + l.value = zOwner + l.token = string(str[:stri]) + + // escape $... start with a \ not a $, so this will work + switch strings.ToUpper(l.token) { + case "$TTL": + l.value = zDirTTL + case "$ORIGIN": + l.value = zDirOrigin + case "$INCLUDE": + l.value = zDirInclude + case "$GENERATE": + l.value = zDirGenerate + } + + retL = *l + } else { + l.value = zString + l.token = string(str[:stri]) + + if !zl.rrtype { + tokenUpper := strings.ToUpper(l.token) + if t, ok := StringToType[tokenUpper]; ok { + l.value = zRrtpe + l.torc = t + + zl.rrtype = true + } else if strings.HasPrefix(tokenUpper, "TYPE") { + t, ok := typeToInt(l.token) + if !ok { + l.token = "unknown RR type" + l.err = true + return *l, true + } + + l.value = zRrtpe + l.torc = t + + zl.rrtype = true + } + + if t, ok := StringToClass[tokenUpper]; ok { + l.value = zClass + l.torc = t + } else if strings.HasPrefix(tokenUpper, "CLASS") { + t, ok := classToInt(l.token) + if !ok { + l.token = "unknown class" + l.err = true + return *l, true + } + + l.value = zClass + l.torc = t + } + } + + retL = *l + } + + zl.owner = false + + if !zl.space { + zl.space = true + + l.value = zBlank + l.token = " " + + if retL == (lex{}) { + return *l, true + } + + zl.nextL = true + } + + if retL != (lex{}) { + return retL, true + } + case ';': + if escape || zl.quote { + // Inside quotes or escaped this is legal. + str[stri] = x + stri++ + + escape = false + break + } + + zl.commt = true + zl.comBuf = "" + + if comi > 1 { + // A newline was previously seen inside a comment that + // was inside braces and we delayed adding it until now. + com[comi] = ' ' // convert newline to space + comi++ + if comi >= len(com) { + l.token = "comment length insufficient for parsing" + l.err = true + return *l, true + } + } + + com[comi] = ';' + comi++ + + if stri > 0 { + zl.comBuf = string(com[:comi]) + + l.value = zString + l.token = string(str[:stri]) + return *l, true + } + case '\r': + escape = false + + if zl.quote { + str[stri] = x + stri++ + } + + // discard if outside of quotes + case '\n': + escape = false + + // Escaped newline + if zl.quote { + str[stri] = x + stri++ + break + } + + if zl.commt { + // Reset a comment + zl.commt = false + zl.rrtype = false + + // If not in a brace this ends the comment AND the RR + if zl.brace == 0 { + zl.owner = true + + l.value = zNewline + l.token = "\n" + zl.comment = string(com[:comi]) + return *l, true + } + + zl.comBuf = string(com[:comi]) + break + } + + if zl.brace == 0 { + // If there is previous text, we should output it here + var retL lex + if stri != 0 { + l.value = zString + l.token = string(str[:stri]) + + if !zl.rrtype { + tokenUpper := strings.ToUpper(l.token) + if t, ok := StringToType[tokenUpper]; ok { + zl.rrtype = true + + l.value = zRrtpe + l.torc = t + } + } + + retL = *l + } + + l.value = zNewline + l.token = "\n" + + zl.comment = zl.comBuf + zl.comBuf = "" + zl.rrtype = false + zl.owner = true + + if retL != (lex{}) { + zl.nextL = true + return retL, true + } + + return *l, true + } + case '\\': + // comments do not get escaped chars, everything is copied + if zl.commt { + com[comi] = x + comi++ + break + } + + // something already escaped must be in string + if escape { + str[stri] = x + stri++ + + escape = false + break + } + + // something escaped outside of string gets added to string + str[stri] = x + stri++ + + escape = true + case '"': + if zl.commt { + com[comi] = x + comi++ + break + } + + if escape { + str[stri] = x + stri++ + + escape = false + break + } + + zl.space = false + + // send previous gathered text and the quote + var retL lex + if stri != 0 { + l.value = zString + l.token = string(str[:stri]) + + retL = *l + } + + // send quote itself as separate token + l.value = zQuote + l.token = "\"" + + zl.quote = !zl.quote + + if retL != (lex{}) { + zl.nextL = true + return retL, true + } + + return *l, true + case '(', ')': + if zl.commt { + com[comi] = x + comi++ + break + } + + if escape || zl.quote { + // Inside quotes or escaped this is legal. + str[stri] = x + stri++ + + escape = false + break + } + + switch x { + case ')': + zl.brace-- + + if zl.brace < 0 { + l.token = "extra closing brace" + l.err = true + return *l, true + } + case '(': + zl.brace++ + } + default: + escape = false + + if zl.commt { + com[comi] = x + comi++ + break + } + + str[stri] = x + stri++ + + zl.space = false + } + } + + if zl.readErr != nil && zl.readErr != io.EOF { + // Don't return any tokens after a read error occurs. + return lex{value: zEOF}, false + } + + var retL lex + if stri > 0 { + // Send remainder of str + l.value = zString + l.token = string(str[:stri]) + retL = *l + + if comi <= 0 { + return retL, true + } + } + + if comi > 0 { + // Send remainder of com + l.value = zNewline + l.token = "\n" + zl.comment = string(com[:comi]) + + if retL != (lex{}) { + zl.nextL = true + return retL, true + } + + return *l, true + } + + if zl.brace != 0 { + l.token = "unbalanced brace" + l.err = true + return *l, true + } + + return lex{value: zEOF}, false +} + +func (zl *zlexer) Comment() string { + if zl.l.err { + return "" + } + + return zl.comment +} + +// Extract the class number from CLASSxx +func classToInt(token string) (uint16, bool) { + offset := 5 + if len(token) < offset+1 { + return 0, false + } + class, err := strconv.ParseUint(token[offset:], 10, 16) + if err != nil { + return 0, false + } + return uint16(class), true +} + +// Extract the rr number from TYPExxx +func typeToInt(token string) (uint16, bool) { + offset := 4 + if len(token) < offset+1 { + return 0, false + } + typ, err := strconv.ParseUint(token[offset:], 10, 16) + if err != nil { + return 0, false + } + return uint16(typ), true +} + +// stringToTTL parses things like 2w, 2m, etc, and returns the time in seconds. +func stringToTTL(token string) (uint32, bool) { + var s, i uint32 + for _, c := range token { + switch c { + case 's', 'S': + s += i + i = 0 + case 'm', 'M': + s += i * 60 + i = 0 + case 'h', 'H': + s += i * 60 * 60 + i = 0 + case 'd', 'D': + s += i * 60 * 60 * 24 + i = 0 + case 'w', 'W': + s += i * 60 * 60 * 24 * 7 + i = 0 + case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9': + i *= 10 + i += uint32(c) - '0' + default: + return 0, false + } + } + return s + i, true +} + +// Parse LOC records' [.][mM] into a +// mantissa exponent format. Token should contain the entire +// string (i.e. no spaces allowed) +func stringToCm(token string) (e, m uint8, ok bool) { + if token[len(token)-1] == 'M' || token[len(token)-1] == 'm' { + token = token[0 : len(token)-1] + } + s := strings.SplitN(token, ".", 2) + var meters, cmeters, val int + var err error + switch len(s) { + case 2: + if cmeters, err = strconv.Atoi(s[1]); err != nil { + return + } + // There's no point in having more than 2 digits in this part, and would rather make the implementation complicated ('123' should be treated as '12'). + // So we simply reject it. + // We also make sure the first character is a digit to reject '+-' signs. + if len(s[1]) > 2 || s[1][0] < '0' || s[1][0] > '9' { + return + } + if len(s[1]) == 1 { + // 'nn.1' must be treated as 'nn-meters and 10cm, not 1cm. + cmeters *= 10 + } + if s[0] == "" { + // This will allow omitting the 'meter' part, like .01 (meaning 0.01m = 1cm). + break + } + fallthrough + case 1: + if meters, err = strconv.Atoi(s[0]); err != nil { + return + } + // RFC1876 states the max value is 90000000.00. The latter two conditions enforce it. + if s[0][0] < '0' || s[0][0] > '9' || meters > 90000000 || (meters == 90000000 && cmeters != 0) { + return + } + case 0: + // huh? + return 0, 0, false + } + ok = true + if meters > 0 { + e = 2 + val = meters + } else { + e = 0 + val = cmeters + } + for val >= 10 { + e++ + val /= 10 + } + m = uint8(val) + return +} + +func toAbsoluteName(name, origin string) (absolute string, ok bool) { + // check for an explicit origin reference + if name == "@" { + // require a nonempty origin + if origin == "" { + return "", false + } + return origin, true + } + + // require a valid domain name + _, ok = IsDomainName(name) + if !ok || name == "" { + return "", false + } + + // check if name is already absolute + if IsFqdn(name) { + return name, true + } + + // require a nonempty origin + if origin == "" { + return "", false + } + return appendOrigin(name, origin), true +} + +func appendOrigin(name, origin string) string { + if origin == "." { + return name + origin + } + return name + "." + origin +} + +// LOC record helper function +func locCheckNorth(token string, latitude uint32) (uint32, bool) { + if latitude > 90*1000*60*60 { + return latitude, false + } + switch token { + case "n", "N": + return LOC_EQUATOR + latitude, true + case "s", "S": + return LOC_EQUATOR - latitude, true + } + return latitude, false +} + +// LOC record helper function +func locCheckEast(token string, longitude uint32) (uint32, bool) { + if longitude > 180*1000*60*60 { + return longitude, false + } + switch token { + case "e", "E": + return LOC_EQUATOR + longitude, true + case "w", "W": + return LOC_EQUATOR - longitude, true + } + return longitude, false +} + +// "Eat" the rest of the "line" +func slurpRemainder(c *zlexer) *ParseError { + l, _ := c.Next() + switch l.value { + case zBlank: + l, _ = c.Next() + if l.value != zNewline && l.value != zEOF { + return &ParseError{"", "garbage after rdata", l} + } + case zNewline: + case zEOF: + default: + return &ParseError{"", "garbage after rdata", l} + } + return nil +} + +// Parse a 64 bit-like ipv6 address: "0014:4fff:ff20:ee64" +// Used for NID and L64 record. +func stringToNodeID(l lex) (uint64, *ParseError) { + if len(l.token) < 19 { + return 0, &ParseError{l.token, "bad NID/L64 NodeID/Locator64", l} + } + // There must be three colons at fixes positions, if not its a parse error + if l.token[4] != ':' && l.token[9] != ':' && l.token[14] != ':' { + return 0, &ParseError{l.token, "bad NID/L64 NodeID/Locator64", l} + } + s := l.token[0:4] + l.token[5:9] + l.token[10:14] + l.token[15:19] + u, err := strconv.ParseUint(s, 16, 64) + if err != nil { + return 0, &ParseError{l.token, "bad NID/L64 NodeID/Locator64", l} + } + return u, nil +} diff --git a/vendor/github.com/miekg/dns/scan_rr.go b/vendor/github.com/miekg/dns/scan_rr.go new file mode 100644 index 000000000..e398484da --- /dev/null +++ b/vendor/github.com/miekg/dns/scan_rr.go @@ -0,0 +1,1778 @@ +package dns + +import ( + "bytes" + "encoding/base64" + "net" + "strconv" + "strings" +) + +// A remainder of the rdata with embedded spaces, return the parsed string (sans the spaces) +// or an error +func endingToString(c *zlexer, errstr string) (string, *ParseError) { + var buffer bytes.Buffer + l, _ := c.Next() // zString + for l.value != zNewline && l.value != zEOF { + if l.err { + return buffer.String(), &ParseError{"", errstr, l} + } + switch l.value { + case zString: + buffer.WriteString(l.token) + case zBlank: // Ok + default: + return "", &ParseError{"", errstr, l} + } + l, _ = c.Next() + } + + return buffer.String(), nil +} + +// A remainder of the rdata with embedded spaces, split on unquoted whitespace +// and return the parsed string slice or an error +func endingToTxtSlice(c *zlexer, errstr string) ([]string, *ParseError) { + // Get the remaining data until we see a zNewline + l, _ := c.Next() + if l.err { + return nil, &ParseError{"", errstr, l} + } + + // Build the slice + s := make([]string, 0) + quote := false + empty := false + for l.value != zNewline && l.value != zEOF { + if l.err { + return nil, &ParseError{"", errstr, l} + } + switch l.value { + case zString: + empty = false + if len(l.token) > 255 { + // split up tokens that are larger than 255 into 255-chunks + sx := []string{} + p, i := 0, 255 + for { + if i <= len(l.token) { + sx = append(sx, l.token[p:i]) + } else { + sx = append(sx, l.token[p:]) + break + + } + p, i = p+255, i+255 + } + s = append(s, sx...) + break + } + + s = append(s, l.token) + case zBlank: + if quote { + // zBlank can only be seen in between txt parts. + return nil, &ParseError{"", errstr, l} + } + case zQuote: + if empty && quote { + s = append(s, "") + } + quote = !quote + empty = true + default: + return nil, &ParseError{"", errstr, l} + } + l, _ = c.Next() + } + + if quote { + return nil, &ParseError{"", errstr, l} + } + + return s, nil +} + +func (rr *A) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + rr.A = net.ParseIP(l.token) + // IPv4 addresses cannot include ":". + // We do this rather than use net.IP's To4() because + // To4() treats IPv4-mapped IPv6 addresses as being + // IPv4. + isIPv4 := !strings.Contains(l.token, ":") + if rr.A == nil || !isIPv4 || l.err { + return &ParseError{"", "bad A A", l} + } + return slurpRemainder(c) +} + +func (rr *AAAA) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + rr.AAAA = net.ParseIP(l.token) + // IPv6 addresses must include ":", and IPv4 + // addresses cannot include ":". + isIPv6 := strings.Contains(l.token, ":") + if rr.AAAA == nil || !isIPv6 || l.err { + return &ParseError{"", "bad AAAA AAAA", l} + } + return slurpRemainder(c) +} + +func (rr *NS) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad NS Ns", l} + } + rr.Ns = name + return slurpRemainder(c) +} + +func (rr *PTR) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad PTR Ptr", l} + } + rr.Ptr = name + return slurpRemainder(c) +} + +func (rr *NSAPPTR) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad NSAP-PTR Ptr", l} + } + rr.Ptr = name + return slurpRemainder(c) +} + +func (rr *RP) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + mbox, mboxOk := toAbsoluteName(l.token, o) + if l.err || !mboxOk { + return &ParseError{"", "bad RP Mbox", l} + } + rr.Mbox = mbox + + c.Next() // zBlank + l, _ = c.Next() + rr.Txt = l.token + + txt, txtOk := toAbsoluteName(l.token, o) + if l.err || !txtOk { + return &ParseError{"", "bad RP Txt", l} + } + rr.Txt = txt + + return slurpRemainder(c) +} + +func (rr *MR) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad MR Mr", l} + } + rr.Mr = name + return slurpRemainder(c) +} + +func (rr *MB) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad MB Mb", l} + } + rr.Mb = name + return slurpRemainder(c) +} + +func (rr *MG) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad MG Mg", l} + } + rr.Mg = name + return slurpRemainder(c) +} + +func (rr *HINFO) parse(c *zlexer, o string) *ParseError { + chunks, e := endingToTxtSlice(c, "bad HINFO Fields") + if e != nil { + return e + } + + if ln := len(chunks); ln == 0 { + return nil + } else if ln == 1 { + // Can we split it? + if out := strings.Fields(chunks[0]); len(out) > 1 { + chunks = out + } else { + chunks = append(chunks, "") + } + } + + rr.Cpu = chunks[0] + rr.Os = strings.Join(chunks[1:], " ") + + return nil +} + +func (rr *MINFO) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + rmail, rmailOk := toAbsoluteName(l.token, o) + if l.err || !rmailOk { + return &ParseError{"", "bad MINFO Rmail", l} + } + rr.Rmail = rmail + + c.Next() // zBlank + l, _ = c.Next() + rr.Email = l.token + + email, emailOk := toAbsoluteName(l.token, o) + if l.err || !emailOk { + return &ParseError{"", "bad MINFO Email", l} + } + rr.Email = email + + return slurpRemainder(c) +} + +func (rr *MF) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad MF Mf", l} + } + rr.Mf = name + return slurpRemainder(c) +} + +func (rr *MD) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad MD Md", l} + } + rr.Md = name + return slurpRemainder(c) +} + +func (rr *MX) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad MX Pref", l} + } + rr.Preference = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Mx = l.token + + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad MX Mx", l} + } + rr.Mx = name + + return slurpRemainder(c) +} + +func (rr *RT) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil { + return &ParseError{"", "bad RT Preference", l} + } + rr.Preference = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Host = l.token + + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad RT Host", l} + } + rr.Host = name + + return slurpRemainder(c) +} + +func (rr *AFSDB) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad AFSDB Subtype", l} + } + rr.Subtype = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Hostname = l.token + + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad AFSDB Hostname", l} + } + rr.Hostname = name + return slurpRemainder(c) +} + +func (rr *X25) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + if l.err { + return &ParseError{"", "bad X25 PSDNAddress", l} + } + rr.PSDNAddress = l.token + return slurpRemainder(c) +} + +func (rr *KX) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad KX Pref", l} + } + rr.Preference = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Exchanger = l.token + + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad KX Exchanger", l} + } + rr.Exchanger = name + return slurpRemainder(c) +} + +func (rr *CNAME) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad CNAME Target", l} + } + rr.Target = name + return slurpRemainder(c) +} + +func (rr *DNAME) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad DNAME Target", l} + } + rr.Target = name + return slurpRemainder(c) +} + +func (rr *SOA) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + ns, nsOk := toAbsoluteName(l.token, o) + if l.err || !nsOk { + return &ParseError{"", "bad SOA Ns", l} + } + rr.Ns = ns + + c.Next() // zBlank + l, _ = c.Next() + rr.Mbox = l.token + + mbox, mboxOk := toAbsoluteName(l.token, o) + if l.err || !mboxOk { + return &ParseError{"", "bad SOA Mbox", l} + } + rr.Mbox = mbox + + c.Next() // zBlank + + var ( + v uint32 + ok bool + ) + for i := 0; i < 5; i++ { + l, _ = c.Next() + if l.err { + return &ParseError{"", "bad SOA zone parameter", l} + } + if j, err := strconv.ParseUint(l.token, 10, 32); err != nil { + if i == 0 { + // Serial must be a number + return &ParseError{"", "bad SOA zone parameter", l} + } + // We allow other fields to be unitful duration strings + if v, ok = stringToTTL(l.token); !ok { + return &ParseError{"", "bad SOA zone parameter", l} + + } + } else { + v = uint32(j) + } + switch i { + case 0: + rr.Serial = v + c.Next() // zBlank + case 1: + rr.Refresh = v + c.Next() // zBlank + case 2: + rr.Retry = v + c.Next() // zBlank + case 3: + rr.Expire = v + c.Next() // zBlank + case 4: + rr.Minttl = v + } + } + return slurpRemainder(c) +} + +func (rr *SRV) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad SRV Priority", l} + } + rr.Priority = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + i, e1 := strconv.ParseUint(l.token, 10, 16) + if e1 != nil || l.err { + return &ParseError{"", "bad SRV Weight", l} + } + rr.Weight = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + i, e2 := strconv.ParseUint(l.token, 10, 16) + if e2 != nil || l.err { + return &ParseError{"", "bad SRV Port", l} + } + rr.Port = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Target = l.token + + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad SRV Target", l} + } + rr.Target = name + return slurpRemainder(c) +} + +func (rr *NAPTR) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad NAPTR Order", l} + } + rr.Order = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + i, e1 := strconv.ParseUint(l.token, 10, 16) + if e1 != nil || l.err { + return &ParseError{"", "bad NAPTR Preference", l} + } + rr.Preference = uint16(i) + + // Flags + c.Next() // zBlank + l, _ = c.Next() // _QUOTE + if l.value != zQuote { + return &ParseError{"", "bad NAPTR Flags", l} + } + l, _ = c.Next() // Either String or Quote + if l.value == zString { + rr.Flags = l.token + l, _ = c.Next() // _QUOTE + if l.value != zQuote { + return &ParseError{"", "bad NAPTR Flags", l} + } + } else if l.value == zQuote { + rr.Flags = "" + } else { + return &ParseError{"", "bad NAPTR Flags", l} + } + + // Service + c.Next() // zBlank + l, _ = c.Next() // _QUOTE + if l.value != zQuote { + return &ParseError{"", "bad NAPTR Service", l} + } + l, _ = c.Next() // Either String or Quote + if l.value == zString { + rr.Service = l.token + l, _ = c.Next() // _QUOTE + if l.value != zQuote { + return &ParseError{"", "bad NAPTR Service", l} + } + } else if l.value == zQuote { + rr.Service = "" + } else { + return &ParseError{"", "bad NAPTR Service", l} + } + + // Regexp + c.Next() // zBlank + l, _ = c.Next() // _QUOTE + if l.value != zQuote { + return &ParseError{"", "bad NAPTR Regexp", l} + } + l, _ = c.Next() // Either String or Quote + if l.value == zString { + rr.Regexp = l.token + l, _ = c.Next() // _QUOTE + if l.value != zQuote { + return &ParseError{"", "bad NAPTR Regexp", l} + } + } else if l.value == zQuote { + rr.Regexp = "" + } else { + return &ParseError{"", "bad NAPTR Regexp", l} + } + + // After quote no space?? + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Replacement = l.token + + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad NAPTR Replacement", l} + } + rr.Replacement = name + return slurpRemainder(c) +} + +func (rr *TALINK) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + previousName, previousNameOk := toAbsoluteName(l.token, o) + if l.err || !previousNameOk { + return &ParseError{"", "bad TALINK PreviousName", l} + } + rr.PreviousName = previousName + + c.Next() // zBlank + l, _ = c.Next() + rr.NextName = l.token + + nextName, nextNameOk := toAbsoluteName(l.token, o) + if l.err || !nextNameOk { + return &ParseError{"", "bad TALINK NextName", l} + } + rr.NextName = nextName + + return slurpRemainder(c) +} + +func (rr *LOC) parse(c *zlexer, o string) *ParseError { + // Non zero defaults for LOC record, see RFC 1876, Section 3. + rr.Size = 0x12 // 1e2 cm (1m) + rr.HorizPre = 0x16 // 1e6 cm (10000m) + rr.VertPre = 0x13 // 1e3 cm (10m) + ok := false + + // North + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 32) + if e != nil || l.err || i > 90 { + return &ParseError{"", "bad LOC Latitude", l} + } + rr.Latitude = 1000 * 60 * 60 * uint32(i) + + c.Next() // zBlank + // Either number, 'N' or 'S' + l, _ = c.Next() + if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok { + goto East + } + if i, err := strconv.ParseUint(l.token, 10, 32); err != nil || l.err || i > 59 { + return &ParseError{"", "bad LOC Latitude minutes", l} + } else { + rr.Latitude += 1000 * 60 * uint32(i) + } + + c.Next() // zBlank + l, _ = c.Next() + if i, err := strconv.ParseFloat(l.token, 64); err != nil || l.err || i < 0 || i >= 60 { + return &ParseError{"", "bad LOC Latitude seconds", l} + } else { + rr.Latitude += uint32(1000 * i) + } + c.Next() // zBlank + // Either number, 'N' or 'S' + l, _ = c.Next() + if rr.Latitude, ok = locCheckNorth(l.token, rr.Latitude); ok { + goto East + } + // If still alive, flag an error + return &ParseError{"", "bad LOC Latitude North/South", l} + +East: + // East + c.Next() // zBlank + l, _ = c.Next() + if i, err := strconv.ParseUint(l.token, 10, 32); err != nil || l.err || i > 180 { + return &ParseError{"", "bad LOC Longitude", l} + } else { + rr.Longitude = 1000 * 60 * 60 * uint32(i) + } + c.Next() // zBlank + // Either number, 'E' or 'W' + l, _ = c.Next() + if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok { + goto Altitude + } + if i, err := strconv.ParseUint(l.token, 10, 32); err != nil || l.err || i > 59 { + return &ParseError{"", "bad LOC Longitude minutes", l} + } else { + rr.Longitude += 1000 * 60 * uint32(i) + } + c.Next() // zBlank + l, _ = c.Next() + if i, err := strconv.ParseFloat(l.token, 64); err != nil || l.err || i < 0 || i >= 60 { + return &ParseError{"", "bad LOC Longitude seconds", l} + } else { + rr.Longitude += uint32(1000 * i) + } + c.Next() // zBlank + // Either number, 'E' or 'W' + l, _ = c.Next() + if rr.Longitude, ok = locCheckEast(l.token, rr.Longitude); ok { + goto Altitude + } + // If still alive, flag an error + return &ParseError{"", "bad LOC Longitude East/West", l} + +Altitude: + c.Next() // zBlank + l, _ = c.Next() + if l.token == "" || l.err { + return &ParseError{"", "bad LOC Altitude", l} + } + if l.token[len(l.token)-1] == 'M' || l.token[len(l.token)-1] == 'm' { + l.token = l.token[0 : len(l.token)-1] + } + if i, err := strconv.ParseFloat(l.token, 64); err != nil { + return &ParseError{"", "bad LOC Altitude", l} + } else { + rr.Altitude = uint32(i*100.0 + 10000000.0 + 0.5) + } + + // And now optionally the other values + l, _ = c.Next() + count := 0 + for l.value != zNewline && l.value != zEOF { + switch l.value { + case zString: + switch count { + case 0: // Size + exp, m, ok := stringToCm(l.token) + if !ok { + return &ParseError{"", "bad LOC Size", l} + } + rr.Size = exp&0x0f | m<<4&0xf0 + case 1: // HorizPre + exp, m, ok := stringToCm(l.token) + if !ok { + return &ParseError{"", "bad LOC HorizPre", l} + } + rr.HorizPre = exp&0x0f | m<<4&0xf0 + case 2: // VertPre + exp, m, ok := stringToCm(l.token) + if !ok { + return &ParseError{"", "bad LOC VertPre", l} + } + rr.VertPre = exp&0x0f | m<<4&0xf0 + } + count++ + case zBlank: + // Ok + default: + return &ParseError{"", "bad LOC Size, HorizPre or VertPre", l} + } + l, _ = c.Next() + } + return nil +} + +func (rr *HIP) parse(c *zlexer, o string) *ParseError { + // HitLength is not represented + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 8) + if e != nil || l.err { + return &ParseError{"", "bad HIP PublicKeyAlgorithm", l} + } + rr.PublicKeyAlgorithm = uint8(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + if l.token == "" || l.err { + return &ParseError{"", "bad HIP Hit", l} + } + rr.Hit = l.token // This can not contain spaces, see RFC 5205 Section 6. + rr.HitLength = uint8(len(rr.Hit)) / 2 + + c.Next() // zBlank + l, _ = c.Next() // zString + if l.token == "" || l.err { + return &ParseError{"", "bad HIP PublicKey", l} + } + rr.PublicKey = l.token // This cannot contain spaces + decodedPK, decodedPKerr := base64.StdEncoding.DecodeString(rr.PublicKey) + if decodedPKerr != nil { + return &ParseError{"", "bad HIP PublicKey", l} + } + rr.PublicKeyLength = uint16(len(decodedPK)) + + // RendezvousServers (if any) + l, _ = c.Next() + var xs []string + for l.value != zNewline && l.value != zEOF { + switch l.value { + case zString: + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad HIP RendezvousServers", l} + } + xs = append(xs, name) + case zBlank: + // Ok + default: + return &ParseError{"", "bad HIP RendezvousServers", l} + } + l, _ = c.Next() + } + + rr.RendezvousServers = xs + return nil +} + +func (rr *CERT) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + if v, ok := StringToCertType[l.token]; ok { + rr.Type = v + } else if i, err := strconv.ParseUint(l.token, 10, 16); err != nil { + return &ParseError{"", "bad CERT Type", l} + } else { + rr.Type = uint16(i) + } + c.Next() // zBlank + l, _ = c.Next() // zString + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad CERT KeyTag", l} + } + rr.KeyTag = uint16(i) + c.Next() // zBlank + l, _ = c.Next() // zString + if v, ok := StringToAlgorithm[l.token]; ok { + rr.Algorithm = v + } else if i, err := strconv.ParseUint(l.token, 10, 8); err != nil { + return &ParseError{"", "bad CERT Algorithm", l} + } else { + rr.Algorithm = uint8(i) + } + s, e1 := endingToString(c, "bad CERT Certificate") + if e1 != nil { + return e1 + } + rr.Certificate = s + return nil +} + +func (rr *OPENPGPKEY) parse(c *zlexer, o string) *ParseError { + s, e := endingToString(c, "bad OPENPGPKEY PublicKey") + if e != nil { + return e + } + rr.PublicKey = s + return nil +} + +func (rr *CSYNC) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + j, e := strconv.ParseUint(l.token, 10, 32) + if e != nil { + // Serial must be a number + return &ParseError{"", "bad CSYNC serial", l} + } + rr.Serial = uint32(j) + + c.Next() // zBlank + + l, _ = c.Next() + j, e1 := strconv.ParseUint(l.token, 10, 16) + if e1 != nil { + // Serial must be a number + return &ParseError{"", "bad CSYNC flags", l} + } + rr.Flags = uint16(j) + + rr.TypeBitMap = make([]uint16, 0) + var ( + k uint16 + ok bool + ) + l, _ = c.Next() + for l.value != zNewline && l.value != zEOF { + switch l.value { + case zBlank: + // Ok + case zString: + tokenUpper := strings.ToUpper(l.token) + if k, ok = StringToType[tokenUpper]; !ok { + if k, ok = typeToInt(l.token); !ok { + return &ParseError{"", "bad CSYNC TypeBitMap", l} + } + } + rr.TypeBitMap = append(rr.TypeBitMap, k) + default: + return &ParseError{"", "bad CSYNC TypeBitMap", l} + } + l, _ = c.Next() + } + return nil +} + +func (rr *ZONEMD) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 32) + if e != nil || l.err { + return &ParseError{"", "bad ZONEMD Serial", l} + } + rr.Serial = uint32(i) + + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad ZONEMD Scheme", l} + } + rr.Scheme = uint8(i) + + c.Next() // zBlank + l, _ = c.Next() + i, err := strconv.ParseUint(l.token, 10, 8) + if err != nil || l.err { + return &ParseError{"", "bad ZONEMD Hash Algorithm", l} + } + rr.Hash = uint8(i) + + s, e2 := endingToString(c, "bad ZONEMD Digest") + if e2 != nil { + return e2 + } + rr.Digest = s + return nil +} + +func (rr *SIG) parse(c *zlexer, o string) *ParseError { return rr.RRSIG.parse(c, o) } + +func (rr *RRSIG) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + tokenUpper := strings.ToUpper(l.token) + if t, ok := StringToType[tokenUpper]; !ok { + if strings.HasPrefix(tokenUpper, "TYPE") { + t, ok = typeToInt(l.token) + if !ok { + return &ParseError{"", "bad RRSIG Typecovered", l} + } + rr.TypeCovered = t + } else { + return &ParseError{"", "bad RRSIG Typecovered", l} + } + } else { + rr.TypeCovered = t + } + + c.Next() // zBlank + l, _ = c.Next() + i, e := strconv.ParseUint(l.token, 10, 8) + if e != nil || l.err { + return &ParseError{"", "bad RRSIG Algorithm", l} + } + rr.Algorithm = uint8(i) + + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad RRSIG Labels", l} + } + rr.Labels = uint8(i) + + c.Next() // zBlank + l, _ = c.Next() + i, e2 := strconv.ParseUint(l.token, 10, 32) + if e2 != nil || l.err { + return &ParseError{"", "bad RRSIG OrigTtl", l} + } + rr.OrigTtl = uint32(i) + + c.Next() // zBlank + l, _ = c.Next() + if i, err := StringToTime(l.token); err != nil { + // Try to see if all numeric and use it as epoch + if i, err := strconv.ParseUint(l.token, 10, 32); err == nil { + rr.Expiration = uint32(i) + } else { + return &ParseError{"", "bad RRSIG Expiration", l} + } + } else { + rr.Expiration = i + } + + c.Next() // zBlank + l, _ = c.Next() + if i, err := StringToTime(l.token); err != nil { + if i, err := strconv.ParseUint(l.token, 10, 32); err == nil { + rr.Inception = uint32(i) + } else { + return &ParseError{"", "bad RRSIG Inception", l} + } + } else { + rr.Inception = i + } + + c.Next() // zBlank + l, _ = c.Next() + i, e3 := strconv.ParseUint(l.token, 10, 16) + if e3 != nil || l.err { + return &ParseError{"", "bad RRSIG KeyTag", l} + } + rr.KeyTag = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() + rr.SignerName = l.token + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad RRSIG SignerName", l} + } + rr.SignerName = name + + s, e4 := endingToString(c, "bad RRSIG Signature") + if e4 != nil { + return e4 + } + rr.Signature = s + + return nil +} + +func (rr *NSEC) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad NSEC NextDomain", l} + } + rr.NextDomain = name + + rr.TypeBitMap = make([]uint16, 0) + var ( + k uint16 + ok bool + ) + l, _ = c.Next() + for l.value != zNewline && l.value != zEOF { + switch l.value { + case zBlank: + // Ok + case zString: + tokenUpper := strings.ToUpper(l.token) + if k, ok = StringToType[tokenUpper]; !ok { + if k, ok = typeToInt(l.token); !ok { + return &ParseError{"", "bad NSEC TypeBitMap", l} + } + } + rr.TypeBitMap = append(rr.TypeBitMap, k) + default: + return &ParseError{"", "bad NSEC TypeBitMap", l} + } + l, _ = c.Next() + } + return nil +} + +func (rr *NSEC3) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 8) + if e != nil || l.err { + return &ParseError{"", "bad NSEC3 Hash", l} + } + rr.Hash = uint8(i) + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad NSEC3 Flags", l} + } + rr.Flags = uint8(i) + c.Next() // zBlank + l, _ = c.Next() + i, e2 := strconv.ParseUint(l.token, 10, 16) + if e2 != nil || l.err { + return &ParseError{"", "bad NSEC3 Iterations", l} + } + rr.Iterations = uint16(i) + c.Next() + l, _ = c.Next() + if l.token == "" || l.err { + return &ParseError{"", "bad NSEC3 Salt", l} + } + if l.token != "-" { + rr.SaltLength = uint8(len(l.token)) / 2 + rr.Salt = l.token + } + + c.Next() + l, _ = c.Next() + if l.token == "" || l.err { + return &ParseError{"", "bad NSEC3 NextDomain", l} + } + rr.HashLength = 20 // Fix for NSEC3 (sha1 160 bits) + rr.NextDomain = l.token + + rr.TypeBitMap = make([]uint16, 0) + var ( + k uint16 + ok bool + ) + l, _ = c.Next() + for l.value != zNewline && l.value != zEOF { + switch l.value { + case zBlank: + // Ok + case zString: + tokenUpper := strings.ToUpper(l.token) + if k, ok = StringToType[tokenUpper]; !ok { + if k, ok = typeToInt(l.token); !ok { + return &ParseError{"", "bad NSEC3 TypeBitMap", l} + } + } + rr.TypeBitMap = append(rr.TypeBitMap, k) + default: + return &ParseError{"", "bad NSEC3 TypeBitMap", l} + } + l, _ = c.Next() + } + return nil +} + +func (rr *NSEC3PARAM) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 8) + if e != nil || l.err { + return &ParseError{"", "bad NSEC3PARAM Hash", l} + } + rr.Hash = uint8(i) + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad NSEC3PARAM Flags", l} + } + rr.Flags = uint8(i) + c.Next() // zBlank + l, _ = c.Next() + i, e2 := strconv.ParseUint(l.token, 10, 16) + if e2 != nil || l.err { + return &ParseError{"", "bad NSEC3PARAM Iterations", l} + } + rr.Iterations = uint16(i) + c.Next() + l, _ = c.Next() + if l.token != "-" { + rr.SaltLength = uint8(len(l.token) / 2) + rr.Salt = l.token + } + return slurpRemainder(c) +} + +func (rr *EUI48) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + if len(l.token) != 17 || l.err { + return &ParseError{"", "bad EUI48 Address", l} + } + addr := make([]byte, 12) + dash := 0 + for i := 0; i < 10; i += 2 { + addr[i] = l.token[i+dash] + addr[i+1] = l.token[i+1+dash] + dash++ + if l.token[i+1+dash] != '-' { + return &ParseError{"", "bad EUI48 Address", l} + } + } + addr[10] = l.token[15] + addr[11] = l.token[16] + + i, e := strconv.ParseUint(string(addr), 16, 48) + if e != nil { + return &ParseError{"", "bad EUI48 Address", l} + } + rr.Address = i + return slurpRemainder(c) +} + +func (rr *EUI64) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + if len(l.token) != 23 || l.err { + return &ParseError{"", "bad EUI64 Address", l} + } + addr := make([]byte, 16) + dash := 0 + for i := 0; i < 14; i += 2 { + addr[i] = l.token[i+dash] + addr[i+1] = l.token[i+1+dash] + dash++ + if l.token[i+1+dash] != '-' { + return &ParseError{"", "bad EUI64 Address", l} + } + } + addr[14] = l.token[21] + addr[15] = l.token[22] + + i, e := strconv.ParseUint(string(addr), 16, 64) + if e != nil { + return &ParseError{"", "bad EUI68 Address", l} + } + rr.Address = i + return slurpRemainder(c) +} + +func (rr *SSHFP) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 8) + if e != nil || l.err { + return &ParseError{"", "bad SSHFP Algorithm", l} + } + rr.Algorithm = uint8(i) + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad SSHFP Type", l} + } + rr.Type = uint8(i) + c.Next() // zBlank + s, e2 := endingToString(c, "bad SSHFP Fingerprint") + if e2 != nil { + return e2 + } + rr.FingerPrint = s + return nil +} + +func (rr *DNSKEY) parseDNSKEY(c *zlexer, o, typ string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad " + typ + " Flags", l} + } + rr.Flags = uint16(i) + c.Next() // zBlank + l, _ = c.Next() // zString + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad " + typ + " Protocol", l} + } + rr.Protocol = uint8(i) + c.Next() // zBlank + l, _ = c.Next() // zString + i, e2 := strconv.ParseUint(l.token, 10, 8) + if e2 != nil || l.err { + return &ParseError{"", "bad " + typ + " Algorithm", l} + } + rr.Algorithm = uint8(i) + s, e3 := endingToString(c, "bad "+typ+" PublicKey") + if e3 != nil { + return e3 + } + rr.PublicKey = s + return nil +} + +func (rr *DNSKEY) parse(c *zlexer, o string) *ParseError { return rr.parseDNSKEY(c, o, "DNSKEY") } +func (rr *KEY) parse(c *zlexer, o string) *ParseError { return rr.parseDNSKEY(c, o, "KEY") } +func (rr *CDNSKEY) parse(c *zlexer, o string) *ParseError { return rr.parseDNSKEY(c, o, "CDNSKEY") } +func (rr *DS) parse(c *zlexer, o string) *ParseError { return rr.parseDS(c, o, "DS") } +func (rr *DLV) parse(c *zlexer, o string) *ParseError { return rr.parseDS(c, o, "DLV") } +func (rr *CDS) parse(c *zlexer, o string) *ParseError { return rr.parseDS(c, o, "CDS") } + +func (rr *RKEY) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad RKEY Flags", l} + } + rr.Flags = uint16(i) + c.Next() // zBlank + l, _ = c.Next() // zString + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad RKEY Protocol", l} + } + rr.Protocol = uint8(i) + c.Next() // zBlank + l, _ = c.Next() // zString + i, e2 := strconv.ParseUint(l.token, 10, 8) + if e2 != nil || l.err { + return &ParseError{"", "bad RKEY Algorithm", l} + } + rr.Algorithm = uint8(i) + s, e3 := endingToString(c, "bad RKEY PublicKey") + if e3 != nil { + return e3 + } + rr.PublicKey = s + return nil +} + +func (rr *EID) parse(c *zlexer, o string) *ParseError { + s, e := endingToString(c, "bad EID Endpoint") + if e != nil { + return e + } + rr.Endpoint = s + return nil +} + +func (rr *NIMLOC) parse(c *zlexer, o string) *ParseError { + s, e := endingToString(c, "bad NIMLOC Locator") + if e != nil { + return e + } + rr.Locator = s + return nil +} + +func (rr *GPOS) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + _, e := strconv.ParseFloat(l.token, 64) + if e != nil || l.err { + return &ParseError{"", "bad GPOS Longitude", l} + } + rr.Longitude = l.token + c.Next() // zBlank + l, _ = c.Next() + _, e1 := strconv.ParseFloat(l.token, 64) + if e1 != nil || l.err { + return &ParseError{"", "bad GPOS Latitude", l} + } + rr.Latitude = l.token + c.Next() // zBlank + l, _ = c.Next() + _, e2 := strconv.ParseFloat(l.token, 64) + if e2 != nil || l.err { + return &ParseError{"", "bad GPOS Altitude", l} + } + rr.Altitude = l.token + return slurpRemainder(c) +} + +func (rr *DS) parseDS(c *zlexer, o, typ string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad " + typ + " KeyTag", l} + } + rr.KeyTag = uint16(i) + c.Next() // zBlank + l, _ = c.Next() + if i, err := strconv.ParseUint(l.token, 10, 8); err != nil { + tokenUpper := strings.ToUpper(l.token) + i, ok := StringToAlgorithm[tokenUpper] + if !ok || l.err { + return &ParseError{"", "bad " + typ + " Algorithm", l} + } + rr.Algorithm = i + } else { + rr.Algorithm = uint8(i) + } + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad " + typ + " DigestType", l} + } + rr.DigestType = uint8(i) + s, e2 := endingToString(c, "bad "+typ+" Digest") + if e2 != nil { + return e2 + } + rr.Digest = s + return nil +} + +func (rr *TA) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad TA KeyTag", l} + } + rr.KeyTag = uint16(i) + c.Next() // zBlank + l, _ = c.Next() + if i, err := strconv.ParseUint(l.token, 10, 8); err != nil { + tokenUpper := strings.ToUpper(l.token) + i, ok := StringToAlgorithm[tokenUpper] + if !ok || l.err { + return &ParseError{"", "bad TA Algorithm", l} + } + rr.Algorithm = i + } else { + rr.Algorithm = uint8(i) + } + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad TA DigestType", l} + } + rr.DigestType = uint8(i) + s, e2 := endingToString(c, "bad TA Digest") + if e2 != nil { + return e2 + } + rr.Digest = s + return nil +} + +func (rr *TLSA) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 8) + if e != nil || l.err { + return &ParseError{"", "bad TLSA Usage", l} + } + rr.Usage = uint8(i) + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad TLSA Selector", l} + } + rr.Selector = uint8(i) + c.Next() // zBlank + l, _ = c.Next() + i, e2 := strconv.ParseUint(l.token, 10, 8) + if e2 != nil || l.err { + return &ParseError{"", "bad TLSA MatchingType", l} + } + rr.MatchingType = uint8(i) + // So this needs be e2 (i.e. different than e), because...??t + s, e3 := endingToString(c, "bad TLSA Certificate") + if e3 != nil { + return e3 + } + rr.Certificate = s + return nil +} + +func (rr *SMIMEA) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 8) + if e != nil || l.err { + return &ParseError{"", "bad SMIMEA Usage", l} + } + rr.Usage = uint8(i) + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad SMIMEA Selector", l} + } + rr.Selector = uint8(i) + c.Next() // zBlank + l, _ = c.Next() + i, e2 := strconv.ParseUint(l.token, 10, 8) + if e2 != nil || l.err { + return &ParseError{"", "bad SMIMEA MatchingType", l} + } + rr.MatchingType = uint8(i) + // So this needs be e2 (i.e. different than e), because...??t + s, e3 := endingToString(c, "bad SMIMEA Certificate") + if e3 != nil { + return e3 + } + rr.Certificate = s + return nil +} + +func (rr *RFC3597) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + if l.token != "\\#" { + return &ParseError{"", "bad RFC3597 Rdata", l} + } + + c.Next() // zBlank + l, _ = c.Next() + rdlength, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad RFC3597 Rdata ", l} + } + + s, e1 := endingToString(c, "bad RFC3597 Rdata") + if e1 != nil { + return e1 + } + if int(rdlength)*2 != len(s) { + return &ParseError{"", "bad RFC3597 Rdata", l} + } + rr.Rdata = s + return nil +} + +func (rr *SPF) parse(c *zlexer, o string) *ParseError { + s, e := endingToTxtSlice(c, "bad SPF Txt") + if e != nil { + return e + } + rr.Txt = s + return nil +} + +func (rr *AVC) parse(c *zlexer, o string) *ParseError { + s, e := endingToTxtSlice(c, "bad AVC Txt") + if e != nil { + return e + } + rr.Txt = s + return nil +} + +func (rr *TXT) parse(c *zlexer, o string) *ParseError { + // no zBlank reading here, because all this rdata is TXT + s, e := endingToTxtSlice(c, "bad TXT Txt") + if e != nil { + return e + } + rr.Txt = s + return nil +} + +// identical to setTXT +func (rr *NINFO) parse(c *zlexer, o string) *ParseError { + s, e := endingToTxtSlice(c, "bad NINFO ZSData") + if e != nil { + return e + } + rr.ZSData = s + return nil +} + +func (rr *URI) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad URI Priority", l} + } + rr.Priority = uint16(i) + c.Next() // zBlank + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 16) + if e1 != nil || l.err { + return &ParseError{"", "bad URI Weight", l} + } + rr.Weight = uint16(i) + + c.Next() // zBlank + s, e2 := endingToTxtSlice(c, "bad URI Target") + if e2 != nil { + return e2 + } + if len(s) != 1 { + return &ParseError{"", "bad URI Target", l} + } + rr.Target = s[0] + return nil +} + +func (rr *DHCID) parse(c *zlexer, o string) *ParseError { + // awesome record to parse! + s, e := endingToString(c, "bad DHCID Digest") + if e != nil { + return e + } + rr.Digest = s + return nil +} + +func (rr *NID) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad NID Preference", l} + } + rr.Preference = uint16(i) + c.Next() // zBlank + l, _ = c.Next() // zString + u, e1 := stringToNodeID(l) + if e1 != nil || l.err { + return e1 + } + rr.NodeID = u + return slurpRemainder(c) +} + +func (rr *L32) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad L32 Preference", l} + } + rr.Preference = uint16(i) + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Locator32 = net.ParseIP(l.token) + if rr.Locator32 == nil || l.err { + return &ParseError{"", "bad L32 Locator", l} + } + return slurpRemainder(c) +} + +func (rr *LP) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad LP Preference", l} + } + rr.Preference = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Fqdn = l.token + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{"", "bad LP Fqdn", l} + } + rr.Fqdn = name + return slurpRemainder(c) +} + +func (rr *L64) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad L64 Preference", l} + } + rr.Preference = uint16(i) + c.Next() // zBlank + l, _ = c.Next() // zString + u, e1 := stringToNodeID(l) + if e1 != nil || l.err { + return e1 + } + rr.Locator64 = u + return slurpRemainder(c) +} + +func (rr *UID) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 32) + if e != nil || l.err { + return &ParseError{"", "bad UID Uid", l} + } + rr.Uid = uint32(i) + return slurpRemainder(c) +} + +func (rr *GID) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 32) + if e != nil || l.err { + return &ParseError{"", "bad GID Gid", l} + } + rr.Gid = uint32(i) + return slurpRemainder(c) +} + +func (rr *UINFO) parse(c *zlexer, o string) *ParseError { + s, e := endingToTxtSlice(c, "bad UINFO Uinfo") + if e != nil { + return e + } + if ln := len(s); ln == 0 { + return nil + } + rr.Uinfo = s[0] // silently discard anything after the first character-string + return nil +} + +func (rr *PX) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{"", "bad PX Preference", l} + } + rr.Preference = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Map822 = l.token + map822, map822Ok := toAbsoluteName(l.token, o) + if l.err || !map822Ok { + return &ParseError{"", "bad PX Map822", l} + } + rr.Map822 = map822 + + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Mapx400 = l.token + mapx400, mapx400Ok := toAbsoluteName(l.token, o) + if l.err || !mapx400Ok { + return &ParseError{"", "bad PX Mapx400", l} + } + rr.Mapx400 = mapx400 + return slurpRemainder(c) +} + +func (rr *CAA) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 8) + if e != nil || l.err { + return &ParseError{"", "bad CAA Flag", l} + } + rr.Flag = uint8(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + if l.value != zString { + return &ParseError{"", "bad CAA Tag", l} + } + rr.Tag = l.token + + c.Next() // zBlank + s, e1 := endingToTxtSlice(c, "bad CAA Value") + if e1 != nil { + return e1 + } + if len(s) != 1 { + return &ParseError{"", "bad CAA Value", l} + } + rr.Value = s[0] + return nil +} + +func (rr *TKEY) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + + // Algorithm + if l.value != zString { + return &ParseError{"", "bad TKEY algorithm", l} + } + rr.Algorithm = l.token + c.Next() // zBlank + + // Get the key length and key values + l, _ = c.Next() + i, e := strconv.ParseUint(l.token, 10, 8) + if e != nil || l.err { + return &ParseError{"", "bad TKEY key length", l} + } + rr.KeySize = uint16(i) + c.Next() // zBlank + l, _ = c.Next() + if l.value != zString { + return &ParseError{"", "bad TKEY key", l} + } + rr.Key = l.token + c.Next() // zBlank + + // Get the otherdata length and string data + l, _ = c.Next() + i, e1 := strconv.ParseUint(l.token, 10, 8) + if e1 != nil || l.err { + return &ParseError{"", "bad TKEY otherdata length", l} + } + rr.OtherLen = uint16(i) + c.Next() // zBlank + l, _ = c.Next() + if l.value != zString { + return &ParseError{"", "bad TKEY otherday", l} + } + rr.OtherData = l.token + return nil +} + +func (rr *APL) parse(c *zlexer, o string) *ParseError { + var prefixes []APLPrefix + + for { + l, _ := c.Next() + if l.value == zNewline || l.value == zEOF { + break + } + if l.value == zBlank && prefixes != nil { + continue + } + if l.value != zString { + return &ParseError{"", "unexpected APL field", l} + } + + // Expected format: [!]afi:address/prefix + + colon := strings.IndexByte(l.token, ':') + if colon == -1 { + return &ParseError{"", "missing colon in APL field", l} + } + + family, cidr := l.token[:colon], l.token[colon+1:] + + var negation bool + if family != "" && family[0] == '!' { + negation = true + family = family[1:] + } + + afi, e := strconv.ParseUint(family, 10, 16) + if e != nil { + return &ParseError{"", "failed to parse APL family: " + e.Error(), l} + } + var addrLen int + switch afi { + case 1: + addrLen = net.IPv4len + case 2: + addrLen = net.IPv6len + default: + return &ParseError{"", "unrecognized APL family", l} + } + + ip, subnet, e1 := net.ParseCIDR(cidr) + if e1 != nil { + return &ParseError{"", "failed to parse APL address: " + e1.Error(), l} + } + if !ip.Equal(subnet.IP) { + return &ParseError{"", "extra bits in APL address", l} + } + + if len(subnet.IP) != addrLen { + return &ParseError{"", "address mismatch with the APL family", l} + } + + prefixes = append(prefixes, APLPrefix{ + Negation: negation, + Network: *subnet, + }) + } + + rr.Prefixes = prefixes + return nil +} diff --git a/vendor/github.com/miekg/dns/serve_mux.go b/vendor/github.com/miekg/dns/serve_mux.go new file mode 100644 index 000000000..e7f36e221 --- /dev/null +++ b/vendor/github.com/miekg/dns/serve_mux.go @@ -0,0 +1,122 @@ +package dns + +import ( + "sync" +) + +// ServeMux is an DNS request multiplexer. It matches the zone name of +// each incoming request against a list of registered patterns add calls +// the handler for the pattern that most closely matches the zone name. +// +// ServeMux is DNSSEC aware, meaning that queries for the DS record are +// redirected to the parent zone (if that is also registered), otherwise +// the child gets the query. +// +// ServeMux is also safe for concurrent access from multiple goroutines. +// +// The zero ServeMux is empty and ready for use. +type ServeMux struct { + z map[string]Handler + m sync.RWMutex +} + +// NewServeMux allocates and returns a new ServeMux. +func NewServeMux() *ServeMux { + return new(ServeMux) +} + +// DefaultServeMux is the default ServeMux used by Serve. +var DefaultServeMux = NewServeMux() + +func (mux *ServeMux) match(q string, t uint16) Handler { + mux.m.RLock() + defer mux.m.RUnlock() + if mux.z == nil { + return nil + } + + q = CanonicalName(q) + + var handler Handler + for off, end := 0, false; !end; off, end = NextLabel(q, off) { + if h, ok := mux.z[q[off:]]; ok { + if t != TypeDS { + return h + } + // Continue for DS to see if we have a parent too, if so delegate to the parent + handler = h + } + } + + // Wildcard match, if we have found nothing try the root zone as a last resort. + if h, ok := mux.z["."]; ok { + return h + } + + return handler +} + +// Handle adds a handler to the ServeMux for pattern. +func (mux *ServeMux) Handle(pattern string, handler Handler) { + if pattern == "" { + panic("dns: invalid pattern " + pattern) + } + mux.m.Lock() + if mux.z == nil { + mux.z = make(map[string]Handler) + } + mux.z[CanonicalName(pattern)] = handler + mux.m.Unlock() +} + +// HandleFunc adds a handler function to the ServeMux for pattern. +func (mux *ServeMux) HandleFunc(pattern string, handler func(ResponseWriter, *Msg)) { + mux.Handle(pattern, HandlerFunc(handler)) +} + +// HandleRemove deregisters the handler specific for pattern from the ServeMux. +func (mux *ServeMux) HandleRemove(pattern string) { + if pattern == "" { + panic("dns: invalid pattern " + pattern) + } + mux.m.Lock() + delete(mux.z, CanonicalName(pattern)) + mux.m.Unlock() +} + +// ServeDNS dispatches the request to the handler whose pattern most +// closely matches the request message. +// +// ServeDNS is DNSSEC aware, meaning that queries for the DS record +// are redirected to the parent zone (if that is also registered), +// otherwise the child gets the query. +// +// If no handler is found, or there is no question, a standard REFUSED +// message is returned +func (mux *ServeMux) ServeDNS(w ResponseWriter, req *Msg) { + var h Handler + if len(req.Question) >= 1 { // allow more than one question + h = mux.match(req.Question[0].Name, req.Question[0].Qtype) + } + + if h != nil { + h.ServeDNS(w, req) + } else { + handleRefused(w, req) + } +} + +// Handle registers the handler with the given pattern +// in the DefaultServeMux. The documentation for +// ServeMux explains how patterns are matched. +func Handle(pattern string, handler Handler) { DefaultServeMux.Handle(pattern, handler) } + +// HandleRemove deregisters the handle with the given pattern +// in the DefaultServeMux. +func HandleRemove(pattern string) { DefaultServeMux.HandleRemove(pattern) } + +// HandleFunc registers the handler function with the given pattern +// in the DefaultServeMux. +func HandleFunc(pattern string, handler func(ResponseWriter, *Msg)) { + DefaultServeMux.HandleFunc(pattern, handler) +} diff --git a/vendor/github.com/miekg/dns/server.go b/vendor/github.com/miekg/dns/server.go new file mode 100644 index 000000000..b962e6f35 --- /dev/null +++ b/vendor/github.com/miekg/dns/server.go @@ -0,0 +1,836 @@ +// DNS server implementation. + +package dns + +import ( + "context" + "crypto/tls" + "encoding/binary" + "errors" + "io" + "net" + "strings" + "sync" + "time" +) + +// Default maximum number of TCP queries before we close the socket. +const maxTCPQueries = 128 + +// aLongTimeAgo is a non-zero time, far in the past, used for +// immediate cancelation of network operations. +var aLongTimeAgo = time.Unix(1, 0) + +// Handler is implemented by any value that implements ServeDNS. +type Handler interface { + ServeDNS(w ResponseWriter, r *Msg) +} + +// The HandlerFunc type is an adapter to allow the use of +// ordinary functions as DNS handlers. If f is a function +// with the appropriate signature, HandlerFunc(f) is a +// Handler object that calls f. +type HandlerFunc func(ResponseWriter, *Msg) + +// ServeDNS calls f(w, r). +func (f HandlerFunc) ServeDNS(w ResponseWriter, r *Msg) { + f(w, r) +} + +// A ResponseWriter interface is used by an DNS handler to +// construct an DNS response. +type ResponseWriter interface { + // LocalAddr returns the net.Addr of the server + LocalAddr() net.Addr + // RemoteAddr returns the net.Addr of the client that sent the current request. + RemoteAddr() net.Addr + // WriteMsg writes a reply back to the client. + WriteMsg(*Msg) error + // Write writes a raw buffer back to the client. + Write([]byte) (int, error) + // Close closes the connection. + Close() error + // TsigStatus returns the status of the Tsig. + TsigStatus() error + // TsigTimersOnly sets the tsig timers only boolean. + TsigTimersOnly(bool) + // Hijack lets the caller take over the connection. + // After a call to Hijack(), the DNS package will not do anything with the connection. + Hijack() +} + +// A ConnectionStater interface is used by a DNS Handler to access TLS connection state +// when available. +type ConnectionStater interface { + ConnectionState() *tls.ConnectionState +} + +type response struct { + closed bool // connection has been closed + hijacked bool // connection has been hijacked by handler + tsigTimersOnly bool + tsigStatus error + tsigRequestMAC string + tsigProvider TsigProvider + udp net.PacketConn // i/o connection if UDP was used + tcp net.Conn // i/o connection if TCP was used + udpSession *SessionUDP // oob data to get egress interface right + pcSession net.Addr // address to use when writing to a generic net.PacketConn + writer Writer // writer to output the raw DNS bits +} + +// handleRefused returns a HandlerFunc that returns REFUSED for every request it gets. +func handleRefused(w ResponseWriter, r *Msg) { + m := new(Msg) + m.SetRcode(r, RcodeRefused) + w.WriteMsg(m) +} + +// HandleFailed returns a HandlerFunc that returns SERVFAIL for every request it gets. +// Deprecated: This function is going away. +func HandleFailed(w ResponseWriter, r *Msg) { + m := new(Msg) + m.SetRcode(r, RcodeServerFailure) + // does not matter if this write fails + w.WriteMsg(m) +} + +// ListenAndServe Starts a server on address and network specified Invoke handler +// for incoming queries. +func ListenAndServe(addr string, network string, handler Handler) error { + server := &Server{Addr: addr, Net: network, Handler: handler} + return server.ListenAndServe() +} + +// ListenAndServeTLS acts like http.ListenAndServeTLS, more information in +// http://golang.org/pkg/net/http/#ListenAndServeTLS +func ListenAndServeTLS(addr, certFile, keyFile string, handler Handler) error { + cert, err := tls.LoadX509KeyPair(certFile, keyFile) + if err != nil { + return err + } + + config := tls.Config{ + Certificates: []tls.Certificate{cert}, + } + + server := &Server{ + Addr: addr, + Net: "tcp-tls", + TLSConfig: &config, + Handler: handler, + } + + return server.ListenAndServe() +} + +// ActivateAndServe activates a server with a listener from systemd, +// l and p should not both be non-nil. +// If both l and p are not nil only p will be used. +// Invoke handler for incoming queries. +func ActivateAndServe(l net.Listener, p net.PacketConn, handler Handler) error { + server := &Server{Listener: l, PacketConn: p, Handler: handler} + return server.ActivateAndServe() +} + +// Writer writes raw DNS messages; each call to Write should send an entire message. +type Writer interface { + io.Writer +} + +// Reader reads raw DNS messages; each call to ReadTCP or ReadUDP should return an entire message. +type Reader interface { + // ReadTCP reads a raw message from a TCP connection. Implementations may alter + // connection properties, for example the read-deadline. + ReadTCP(conn net.Conn, timeout time.Duration) ([]byte, error) + // ReadUDP reads a raw message from a UDP connection. Implementations may alter + // connection properties, for example the read-deadline. + ReadUDP(conn *net.UDPConn, timeout time.Duration) ([]byte, *SessionUDP, error) +} + +// PacketConnReader is an optional interface that Readers can implement to support using generic net.PacketConns. +type PacketConnReader interface { + Reader + + // ReadPacketConn reads a raw message from a generic net.PacketConn UDP connection. Implementations may + // alter connection properties, for example the read-deadline. + ReadPacketConn(conn net.PacketConn, timeout time.Duration) ([]byte, net.Addr, error) +} + +// defaultReader is an adapter for the Server struct that implements the Reader and +// PacketConnReader interfaces using the readTCP, readUDP and readPacketConn funcs +// of the embedded Server. +type defaultReader struct { + *Server +} + +var _ PacketConnReader = defaultReader{} + +func (dr defaultReader) ReadTCP(conn net.Conn, timeout time.Duration) ([]byte, error) { + return dr.readTCP(conn, timeout) +} + +func (dr defaultReader) ReadUDP(conn *net.UDPConn, timeout time.Duration) ([]byte, *SessionUDP, error) { + return dr.readUDP(conn, timeout) +} + +func (dr defaultReader) ReadPacketConn(conn net.PacketConn, timeout time.Duration) ([]byte, net.Addr, error) { + return dr.readPacketConn(conn, timeout) +} + +// DecorateReader is a decorator hook for extending or supplanting the functionality of a Reader. +// Implementations should never return a nil Reader. +// Readers should also implement the optional PacketConnReader interface. +// PacketConnReader is required to use a generic net.PacketConn. +type DecorateReader func(Reader) Reader + +// DecorateWriter is a decorator hook for extending or supplanting the functionality of a Writer. +// Implementations should never return a nil Writer. +type DecorateWriter func(Writer) Writer + +// A Server defines parameters for running an DNS server. +type Server struct { + // Address to listen on, ":dns" if empty. + Addr string + // if "tcp" or "tcp-tls" (DNS over TLS) it will invoke a TCP listener, otherwise an UDP one + Net string + // TCP Listener to use, this is to aid in systemd's socket activation. + Listener net.Listener + // TLS connection configuration + TLSConfig *tls.Config + // UDP "Listener" to use, this is to aid in systemd's socket activation. + PacketConn net.PacketConn + // Handler to invoke, dns.DefaultServeMux if nil. + Handler Handler + // Default buffer size to use to read incoming UDP messages. If not set + // it defaults to MinMsgSize (512 B). + UDPSize int + // The net.Conn.SetReadTimeout value for new connections, defaults to 2 * time.Second. + ReadTimeout time.Duration + // The net.Conn.SetWriteTimeout value for new connections, defaults to 2 * time.Second. + WriteTimeout time.Duration + // TCP idle timeout for multiple queries, if nil, defaults to 8 * time.Second (RFC 5966). + IdleTimeout func() time.Duration + // An implementation of the TsigProvider interface. If defined it replaces TsigSecret and is used for all TSIG operations. + TsigProvider TsigProvider + // Secret(s) for Tsig map[]. The zonename must be in canonical form (lowercase, fqdn, see RFC 4034 Section 6.2). + TsigSecret map[string]string + // If NotifyStartedFunc is set it is called once the server has started listening. + NotifyStartedFunc func() + // DecorateReader is optional, allows customization of the process that reads raw DNS messages. + DecorateReader DecorateReader + // DecorateWriter is optional, allows customization of the process that writes raw DNS messages. + DecorateWriter DecorateWriter + // Maximum number of TCP queries before we close the socket. Default is maxTCPQueries (unlimited if -1). + MaxTCPQueries int + // Whether to set the SO_REUSEPORT socket option, allowing multiple listeners to be bound to a single address. + // It is only supported on go1.11+ and when using ListenAndServe. + ReusePort bool + // AcceptMsgFunc will check the incoming message and will reject it early in the process. + // By default DefaultMsgAcceptFunc will be used. + MsgAcceptFunc MsgAcceptFunc + + // Shutdown handling + lock sync.RWMutex + started bool + shutdown chan struct{} + conns map[net.Conn]struct{} + + // A pool for UDP message buffers. + udpPool sync.Pool +} + +func (srv *Server) tsigProvider() TsigProvider { + if srv.TsigProvider != nil { + return srv.TsigProvider + } + if srv.TsigSecret != nil { + return tsigSecretProvider(srv.TsigSecret) + } + return nil +} + +func (srv *Server) isStarted() bool { + srv.lock.RLock() + started := srv.started + srv.lock.RUnlock() + return started +} + +func makeUDPBuffer(size int) func() interface{} { + return func() interface{} { + return make([]byte, size) + } +} + +func (srv *Server) init() { + srv.shutdown = make(chan struct{}) + srv.conns = make(map[net.Conn]struct{}) + + if srv.UDPSize == 0 { + srv.UDPSize = MinMsgSize + } + if srv.MsgAcceptFunc == nil { + srv.MsgAcceptFunc = DefaultMsgAcceptFunc + } + if srv.Handler == nil { + srv.Handler = DefaultServeMux + } + + srv.udpPool.New = makeUDPBuffer(srv.UDPSize) +} + +func unlockOnce(l sync.Locker) func() { + var once sync.Once + return func() { once.Do(l.Unlock) } +} + +// ListenAndServe starts a nameserver on the configured address in *Server. +func (srv *Server) ListenAndServe() error { + unlock := unlockOnce(&srv.lock) + srv.lock.Lock() + defer unlock() + + if srv.started { + return &Error{err: "server already started"} + } + + addr := srv.Addr + if addr == "" { + addr = ":domain" + } + + srv.init() + + switch srv.Net { + case "tcp", "tcp4", "tcp6": + l, err := listenTCP(srv.Net, addr, srv.ReusePort) + if err != nil { + return err + } + srv.Listener = l + srv.started = true + unlock() + return srv.serveTCP(l) + case "tcp-tls", "tcp4-tls", "tcp6-tls": + if srv.TLSConfig == nil || (len(srv.TLSConfig.Certificates) == 0 && srv.TLSConfig.GetCertificate == nil) { + return errors.New("dns: neither Certificates nor GetCertificate set in Config") + } + network := strings.TrimSuffix(srv.Net, "-tls") + l, err := listenTCP(network, addr, srv.ReusePort) + if err != nil { + return err + } + l = tls.NewListener(l, srv.TLSConfig) + srv.Listener = l + srv.started = true + unlock() + return srv.serveTCP(l) + case "udp", "udp4", "udp6": + l, err := listenUDP(srv.Net, addr, srv.ReusePort) + if err != nil { + return err + } + u := l.(*net.UDPConn) + if e := setUDPSocketOptions(u); e != nil { + u.Close() + return e + } + srv.PacketConn = l + srv.started = true + unlock() + return srv.serveUDP(u) + } + return &Error{err: "bad network"} +} + +// ActivateAndServe starts a nameserver with the PacketConn or Listener +// configured in *Server. Its main use is to start a server from systemd. +func (srv *Server) ActivateAndServe() error { + unlock := unlockOnce(&srv.lock) + srv.lock.Lock() + defer unlock() + + if srv.started { + return &Error{err: "server already started"} + } + + srv.init() + + if srv.PacketConn != nil { + // Check PacketConn interface's type is valid and value + // is not nil + if t, ok := srv.PacketConn.(*net.UDPConn); ok && t != nil { + if e := setUDPSocketOptions(t); e != nil { + return e + } + } + srv.started = true + unlock() + return srv.serveUDP(srv.PacketConn) + } + if srv.Listener != nil { + srv.started = true + unlock() + return srv.serveTCP(srv.Listener) + } + return &Error{err: "bad listeners"} +} + +// Shutdown shuts down a server. After a call to Shutdown, ListenAndServe and +// ActivateAndServe will return. +func (srv *Server) Shutdown() error { + return srv.ShutdownContext(context.Background()) +} + +// ShutdownContext shuts down a server. After a call to ShutdownContext, +// ListenAndServe and ActivateAndServe will return. +// +// A context.Context may be passed to limit how long to wait for connections +// to terminate. +func (srv *Server) ShutdownContext(ctx context.Context) error { + srv.lock.Lock() + if !srv.started { + srv.lock.Unlock() + return &Error{err: "server not started"} + } + + srv.started = false + + if srv.PacketConn != nil { + srv.PacketConn.SetReadDeadline(aLongTimeAgo) // Unblock reads + } + + if srv.Listener != nil { + srv.Listener.Close() + } + + for rw := range srv.conns { + rw.SetReadDeadline(aLongTimeAgo) // Unblock reads + } + + srv.lock.Unlock() + + if testShutdownNotify != nil { + testShutdownNotify.Broadcast() + } + + var ctxErr error + select { + case <-srv.shutdown: + case <-ctx.Done(): + ctxErr = ctx.Err() + } + + if srv.PacketConn != nil { + srv.PacketConn.Close() + } + + return ctxErr +} + +var testShutdownNotify *sync.Cond + +// getReadTimeout is a helper func to use system timeout if server did not intend to change it. +func (srv *Server) getReadTimeout() time.Duration { + if srv.ReadTimeout != 0 { + return srv.ReadTimeout + } + return dnsTimeout +} + +// serveTCP starts a TCP listener for the server. +func (srv *Server) serveTCP(l net.Listener) error { + defer l.Close() + + if srv.NotifyStartedFunc != nil { + srv.NotifyStartedFunc() + } + + var wg sync.WaitGroup + defer func() { + wg.Wait() + close(srv.shutdown) + }() + + for srv.isStarted() { + rw, err := l.Accept() + if err != nil { + if !srv.isStarted() { + return nil + } + if neterr, ok := err.(net.Error); ok && neterr.Temporary() { + continue + } + return err + } + srv.lock.Lock() + // Track the connection to allow unblocking reads on shutdown. + srv.conns[rw] = struct{}{} + srv.lock.Unlock() + wg.Add(1) + go srv.serveTCPConn(&wg, rw) + } + + return nil +} + +// serveUDP starts a UDP listener for the server. +func (srv *Server) serveUDP(l net.PacketConn) error { + defer l.Close() + + reader := Reader(defaultReader{srv}) + if srv.DecorateReader != nil { + reader = srv.DecorateReader(reader) + } + + lUDP, isUDP := l.(*net.UDPConn) + readerPC, canPacketConn := reader.(PacketConnReader) + if !isUDP && !canPacketConn { + return &Error{err: "PacketConnReader was not implemented on Reader returned from DecorateReader but is required for net.PacketConn"} + } + + if srv.NotifyStartedFunc != nil { + srv.NotifyStartedFunc() + } + + var wg sync.WaitGroup + defer func() { + wg.Wait() + close(srv.shutdown) + }() + + rtimeout := srv.getReadTimeout() + // deadline is not used here + for srv.isStarted() { + var ( + m []byte + sPC net.Addr + sUDP *SessionUDP + err error + ) + if isUDP { + m, sUDP, err = reader.ReadUDP(lUDP, rtimeout) + } else { + m, sPC, err = readerPC.ReadPacketConn(l, rtimeout) + } + if err != nil { + if !srv.isStarted() { + return nil + } + if netErr, ok := err.(net.Error); ok && netErr.Temporary() { + continue + } + return err + } + if len(m) < headerSize { + if cap(m) == srv.UDPSize { + srv.udpPool.Put(m[:srv.UDPSize]) + } + continue + } + wg.Add(1) + go srv.serveUDPPacket(&wg, m, l, sUDP, sPC) + } + + return nil +} + +// Serve a new TCP connection. +func (srv *Server) serveTCPConn(wg *sync.WaitGroup, rw net.Conn) { + w := &response{tsigProvider: srv.tsigProvider(), tcp: rw} + if srv.DecorateWriter != nil { + w.writer = srv.DecorateWriter(w) + } else { + w.writer = w + } + + reader := Reader(defaultReader{srv}) + if srv.DecorateReader != nil { + reader = srv.DecorateReader(reader) + } + + idleTimeout := tcpIdleTimeout + if srv.IdleTimeout != nil { + idleTimeout = srv.IdleTimeout() + } + + timeout := srv.getReadTimeout() + + limit := srv.MaxTCPQueries + if limit == 0 { + limit = maxTCPQueries + } + + for q := 0; (q < limit || limit == -1) && srv.isStarted(); q++ { + m, err := reader.ReadTCP(w.tcp, timeout) + if err != nil { + // TODO(tmthrgd): handle error + break + } + srv.serveDNS(m, w) + if w.closed { + break // Close() was called + } + if w.hijacked { + break // client will call Close() themselves + } + // The first read uses the read timeout, the rest use the + // idle timeout. + timeout = idleTimeout + } + + if !w.hijacked { + w.Close() + } + + srv.lock.Lock() + delete(srv.conns, w.tcp) + srv.lock.Unlock() + + wg.Done() +} + +// Serve a new UDP request. +func (srv *Server) serveUDPPacket(wg *sync.WaitGroup, m []byte, u net.PacketConn, udpSession *SessionUDP, pcSession net.Addr) { + w := &response{tsigProvider: srv.tsigProvider(), udp: u, udpSession: udpSession, pcSession: pcSession} + if srv.DecorateWriter != nil { + w.writer = srv.DecorateWriter(w) + } else { + w.writer = w + } + + srv.serveDNS(m, w) + wg.Done() +} + +func (srv *Server) serveDNS(m []byte, w *response) { + dh, off, err := unpackMsgHdr(m, 0) + if err != nil { + // Let client hang, they are sending crap; any reply can be used to amplify. + return + } + + req := new(Msg) + req.setHdr(dh) + + switch action := srv.MsgAcceptFunc(dh); action { + case MsgAccept: + if req.unpack(dh, m, off) == nil { + break + } + + fallthrough + case MsgReject, MsgRejectNotImplemented: + opcode := req.Opcode + req.SetRcodeFormatError(req) + req.Zero = false + if action == MsgRejectNotImplemented { + req.Opcode = opcode + req.Rcode = RcodeNotImplemented + } + + // Are we allowed to delete any OPT records here? + req.Ns, req.Answer, req.Extra = nil, nil, nil + + w.WriteMsg(req) + fallthrough + case MsgIgnore: + if w.udp != nil && cap(m) == srv.UDPSize { + srv.udpPool.Put(m[:srv.UDPSize]) + } + + return + } + + w.tsigStatus = nil + if w.tsigProvider != nil { + if t := req.IsTsig(); t != nil { + w.tsigStatus = tsigVerifyProvider(m, w.tsigProvider, "", false) + w.tsigTimersOnly = false + w.tsigRequestMAC = t.MAC + } + } + + if w.udp != nil && cap(m) == srv.UDPSize { + srv.udpPool.Put(m[:srv.UDPSize]) + } + + srv.Handler.ServeDNS(w, req) // Writes back to the client +} + +func (srv *Server) readTCP(conn net.Conn, timeout time.Duration) ([]byte, error) { + // If we race with ShutdownContext, the read deadline may + // have been set in the distant past to unblock the read + // below. We must not override it, otherwise we may block + // ShutdownContext. + srv.lock.RLock() + if srv.started { + conn.SetReadDeadline(time.Now().Add(timeout)) + } + srv.lock.RUnlock() + + var length uint16 + if err := binary.Read(conn, binary.BigEndian, &length); err != nil { + return nil, err + } + + m := make([]byte, length) + if _, err := io.ReadFull(conn, m); err != nil { + return nil, err + } + + return m, nil +} + +func (srv *Server) readUDP(conn *net.UDPConn, timeout time.Duration) ([]byte, *SessionUDP, error) { + srv.lock.RLock() + if srv.started { + // See the comment in readTCP above. + conn.SetReadDeadline(time.Now().Add(timeout)) + } + srv.lock.RUnlock() + + m := srv.udpPool.Get().([]byte) + n, s, err := ReadFromSessionUDP(conn, m) + if err != nil { + srv.udpPool.Put(m) + return nil, nil, err + } + m = m[:n] + return m, s, nil +} + +func (srv *Server) readPacketConn(conn net.PacketConn, timeout time.Duration) ([]byte, net.Addr, error) { + srv.lock.RLock() + if srv.started { + // See the comment in readTCP above. + conn.SetReadDeadline(time.Now().Add(timeout)) + } + srv.lock.RUnlock() + + m := srv.udpPool.Get().([]byte) + n, addr, err := conn.ReadFrom(m) + if err != nil { + srv.udpPool.Put(m) + return nil, nil, err + } + m = m[:n] + return m, addr, nil +} + +// WriteMsg implements the ResponseWriter.WriteMsg method. +func (w *response) WriteMsg(m *Msg) (err error) { + if w.closed { + return &Error{err: "WriteMsg called after Close"} + } + + var data []byte + if w.tsigProvider != nil { // if no provider, dont check for the tsig (which is a longer check) + if t := m.IsTsig(); t != nil { + data, w.tsigRequestMAC, err = tsigGenerateProvider(m, w.tsigProvider, w.tsigRequestMAC, w.tsigTimersOnly) + if err != nil { + return err + } + _, err = w.writer.Write(data) + return err + } + } + data, err = m.Pack() + if err != nil { + return err + } + _, err = w.writer.Write(data) + return err +} + +// Write implements the ResponseWriter.Write method. +func (w *response) Write(m []byte) (int, error) { + if w.closed { + return 0, &Error{err: "Write called after Close"} + } + + switch { + case w.udp != nil: + if u, ok := w.udp.(*net.UDPConn); ok { + return WriteToSessionUDP(u, m, w.udpSession) + } + return w.udp.WriteTo(m, w.pcSession) + case w.tcp != nil: + if len(m) > MaxMsgSize { + return 0, &Error{err: "message too large"} + } + + msg := make([]byte, 2+len(m)) + binary.BigEndian.PutUint16(msg, uint16(len(m))) + copy(msg[2:], m) + return w.tcp.Write(msg) + default: + panic("dns: internal error: udp and tcp both nil") + } +} + +// LocalAddr implements the ResponseWriter.LocalAddr method. +func (w *response) LocalAddr() net.Addr { + switch { + case w.udp != nil: + return w.udp.LocalAddr() + case w.tcp != nil: + return w.tcp.LocalAddr() + default: + panic("dns: internal error: udp and tcp both nil") + } +} + +// RemoteAddr implements the ResponseWriter.RemoteAddr method. +func (w *response) RemoteAddr() net.Addr { + switch { + case w.udpSession != nil: + return w.udpSession.RemoteAddr() + case w.pcSession != nil: + return w.pcSession + case w.tcp != nil: + return w.tcp.RemoteAddr() + default: + panic("dns: internal error: udpSession, pcSession and tcp are all nil") + } +} + +// TsigStatus implements the ResponseWriter.TsigStatus method. +func (w *response) TsigStatus() error { return w.tsigStatus } + +// TsigTimersOnly implements the ResponseWriter.TsigTimersOnly method. +func (w *response) TsigTimersOnly(b bool) { w.tsigTimersOnly = b } + +// Hijack implements the ResponseWriter.Hijack method. +func (w *response) Hijack() { w.hijacked = true } + +// Close implements the ResponseWriter.Close method +func (w *response) Close() error { + if w.closed { + return &Error{err: "connection already closed"} + } + w.closed = true + + switch { + case w.udp != nil: + // Can't close the udp conn, as that is actually the listener. + return nil + case w.tcp != nil: + return w.tcp.Close() + default: + panic("dns: internal error: udp and tcp both nil") + } +} + +// ConnectionState() implements the ConnectionStater.ConnectionState() interface. +func (w *response) ConnectionState() *tls.ConnectionState { + type tlsConnectionStater interface { + ConnectionState() tls.ConnectionState + } + if v, ok := w.tcp.(tlsConnectionStater); ok { + t := v.ConnectionState() + return &t + } + return nil +} diff --git a/vendor/github.com/miekg/dns/sig0.go b/vendor/github.com/miekg/dns/sig0.go new file mode 100644 index 000000000..2c4b10352 --- /dev/null +++ b/vendor/github.com/miekg/dns/sig0.go @@ -0,0 +1,194 @@ +package dns + +import ( + "crypto" + "crypto/ecdsa" + "crypto/ed25519" + "crypto/rsa" + "encoding/binary" + "math/big" + "strings" + "time" +) + +// Sign signs a dns.Msg. It fills the signature with the appropriate data. +// The SIG record should have the SignerName, KeyTag, Algorithm, Inception +// and Expiration set. +func (rr *SIG) Sign(k crypto.Signer, m *Msg) ([]byte, error) { + if k == nil { + return nil, ErrPrivKey + } + if rr.KeyTag == 0 || rr.SignerName == "" || rr.Algorithm == 0 { + return nil, ErrKey + } + + rr.Hdr = RR_Header{Name: ".", Rrtype: TypeSIG, Class: ClassANY, Ttl: 0} + rr.OrigTtl, rr.TypeCovered, rr.Labels = 0, 0, 0 + + buf := make([]byte, m.Len()+Len(rr)) + mbuf, err := m.PackBuffer(buf) + if err != nil { + return nil, err + } + if &buf[0] != &mbuf[0] { + return nil, ErrBuf + } + off, err := PackRR(rr, buf, len(mbuf), nil, false) + if err != nil { + return nil, err + } + buf = buf[:off:cap(buf)] + + h, cryptohash, err := hashFromAlgorithm(rr.Algorithm) + if err != nil { + return nil, err + } + + // Write SIG rdata + h.Write(buf[len(mbuf)+1+2+2+4+2:]) + // Write message + h.Write(buf[:len(mbuf)]) + + signature, err := sign(k, h.Sum(nil), cryptohash, rr.Algorithm) + if err != nil { + return nil, err + } + + rr.Signature = toBase64(signature) + + buf = append(buf, signature...) + if len(buf) > int(^uint16(0)) { + return nil, ErrBuf + } + // Adjust sig data length + rdoff := len(mbuf) + 1 + 2 + 2 + 4 + rdlen := binary.BigEndian.Uint16(buf[rdoff:]) + rdlen += uint16(len(signature)) + binary.BigEndian.PutUint16(buf[rdoff:], rdlen) + // Adjust additional count + adc := binary.BigEndian.Uint16(buf[10:]) + adc++ + binary.BigEndian.PutUint16(buf[10:], adc) + return buf, nil +} + +// Verify validates the message buf using the key k. +// It's assumed that buf is a valid message from which rr was unpacked. +func (rr *SIG) Verify(k *KEY, buf []byte) error { + if k == nil { + return ErrKey + } + if rr.KeyTag == 0 || rr.SignerName == "" || rr.Algorithm == 0 { + return ErrKey + } + + h, cryptohash, err := hashFromAlgorithm(rr.Algorithm) + if err != nil { + return err + } + + buflen := len(buf) + qdc := binary.BigEndian.Uint16(buf[4:]) + anc := binary.BigEndian.Uint16(buf[6:]) + auc := binary.BigEndian.Uint16(buf[8:]) + adc := binary.BigEndian.Uint16(buf[10:]) + offset := headerSize + for i := uint16(0); i < qdc && offset < buflen; i++ { + _, offset, err = UnpackDomainName(buf, offset) + if err != nil { + return err + } + // Skip past Type and Class + offset += 2 + 2 + } + for i := uint16(1); i < anc+auc+adc && offset < buflen; i++ { + _, offset, err = UnpackDomainName(buf, offset) + if err != nil { + return err + } + // Skip past Type, Class and TTL + offset += 2 + 2 + 4 + if offset+1 >= buflen { + continue + } + rdlen := binary.BigEndian.Uint16(buf[offset:]) + offset += 2 + offset += int(rdlen) + } + if offset >= buflen { + return &Error{err: "overflowing unpacking signed message"} + } + + // offset should be just prior to SIG + bodyend := offset + // owner name SHOULD be root + _, offset, err = UnpackDomainName(buf, offset) + if err != nil { + return err + } + // Skip Type, Class, TTL, RDLen + offset += 2 + 2 + 4 + 2 + sigstart := offset + // Skip Type Covered, Algorithm, Labels, Original TTL + offset += 2 + 1 + 1 + 4 + if offset+4+4 >= buflen { + return &Error{err: "overflow unpacking signed message"} + } + expire := binary.BigEndian.Uint32(buf[offset:]) + offset += 4 + incept := binary.BigEndian.Uint32(buf[offset:]) + offset += 4 + now := uint32(time.Now().Unix()) + if now < incept || now > expire { + return ErrTime + } + // Skip key tag + offset += 2 + var signername string + signername, offset, err = UnpackDomainName(buf, offset) + if err != nil { + return err + } + // If key has come from the DNS name compression might + // have mangled the case of the name + if !strings.EqualFold(signername, k.Header().Name) { + return &Error{err: "signer name doesn't match key name"} + } + sigend := offset + h.Write(buf[sigstart:sigend]) + h.Write(buf[:10]) + h.Write([]byte{ + byte((adc - 1) << 8), + byte(adc - 1), + }) + h.Write(buf[12:bodyend]) + + hashed := h.Sum(nil) + sig := buf[sigend:] + switch k.Algorithm { + case RSASHA1, RSASHA256, RSASHA512: + pk := k.publicKeyRSA() + if pk != nil { + return rsa.VerifyPKCS1v15(pk, cryptohash, hashed, sig) + } + case ECDSAP256SHA256, ECDSAP384SHA384: + pk := k.publicKeyECDSA() + r := new(big.Int).SetBytes(sig[:len(sig)/2]) + s := new(big.Int).SetBytes(sig[len(sig)/2:]) + if pk != nil { + if ecdsa.Verify(pk, hashed, r, s) { + return nil + } + return ErrSig + } + case ED25519: + pk := k.publicKeyED25519() + if pk != nil { + if ed25519.Verify(pk, hashed, sig) { + return nil + } + return ErrSig + } + } + return ErrKeyAlg +} diff --git a/vendor/github.com/miekg/dns/singleinflight.go b/vendor/github.com/miekg/dns/singleinflight.go new file mode 100644 index 000000000..febcc300f --- /dev/null +++ b/vendor/github.com/miekg/dns/singleinflight.go @@ -0,0 +1,61 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Adapted for dns package usage by Miek Gieben. + +package dns + +import "sync" +import "time" + +// call is an in-flight or completed singleflight.Do call +type call struct { + wg sync.WaitGroup + val *Msg + rtt time.Duration + err error + dups int +} + +// singleflight represents a class of work and forms a namespace in +// which units of work can be executed with duplicate suppression. +type singleflight struct { + sync.Mutex // protects m + m map[string]*call // lazily initialized + + dontDeleteForTesting bool // this is only to be used by TestConcurrentExchanges +} + +// Do executes and returns the results of the given function, making +// sure that only one execution is in-flight for a given key at a +// time. If a duplicate comes in, the duplicate caller waits for the +// original to complete and receives the same results. +// The return value shared indicates whether v was given to multiple callers. +func (g *singleflight) Do(key string, fn func() (*Msg, time.Duration, error)) (v *Msg, rtt time.Duration, err error, shared bool) { + g.Lock() + if g.m == nil { + g.m = make(map[string]*call) + } + if c, ok := g.m[key]; ok { + c.dups++ + g.Unlock() + c.wg.Wait() + return c.val, c.rtt, c.err, true + } + c := new(call) + c.wg.Add(1) + g.m[key] = c + g.Unlock() + + c.val, c.rtt, c.err = fn() + c.wg.Done() + + if !g.dontDeleteForTesting { + g.Lock() + delete(g.m, key) + g.Unlock() + } + + return c.val, c.rtt, c.err, c.dups > 0 +} diff --git a/vendor/github.com/miekg/dns/smimea.go b/vendor/github.com/miekg/dns/smimea.go new file mode 100644 index 000000000..89f09f0d1 --- /dev/null +++ b/vendor/github.com/miekg/dns/smimea.go @@ -0,0 +1,44 @@ +package dns + +import ( + "crypto/sha256" + "crypto/x509" + "encoding/hex" +) + +// Sign creates a SMIMEA record from an SSL certificate. +func (r *SMIMEA) Sign(usage, selector, matchingType int, cert *x509.Certificate) (err error) { + r.Hdr.Rrtype = TypeSMIMEA + r.Usage = uint8(usage) + r.Selector = uint8(selector) + r.MatchingType = uint8(matchingType) + + r.Certificate, err = CertificateToDANE(r.Selector, r.MatchingType, cert) + return err +} + +// Verify verifies a SMIMEA record against an SSL certificate. If it is OK +// a nil error is returned. +func (r *SMIMEA) Verify(cert *x509.Certificate) error { + c, err := CertificateToDANE(r.Selector, r.MatchingType, cert) + if err != nil { + return err // Not also ErrSig? + } + if r.Certificate == c { + return nil + } + return ErrSig // ErrSig, really? +} + +// SMIMEAName returns the ownername of a SMIMEA resource record as per the +// format specified in RFC 'draft-ietf-dane-smime-12' Section 2 and 3 +func SMIMEAName(email, domain string) (string, error) { + hasher := sha256.New() + hasher.Write([]byte(email)) + + // RFC Section 3: "The local-part is hashed using the SHA2-256 + // algorithm with the hash truncated to 28 octets and + // represented in its hexadecimal representation to become the + // left-most label in the prepared domain name" + return hex.EncodeToString(hasher.Sum(nil)[:28]) + "." + "_smimecert." + domain, nil +} diff --git a/vendor/github.com/miekg/dns/svcb.go b/vendor/github.com/miekg/dns/svcb.go new file mode 100644 index 000000000..ea58710da --- /dev/null +++ b/vendor/github.com/miekg/dns/svcb.go @@ -0,0 +1,935 @@ +package dns + +import ( + "bytes" + "encoding/binary" + "errors" + "fmt" + "net" + "sort" + "strconv" + "strings" +) + +// SVCBKey is the type of the keys used in the SVCB RR. +type SVCBKey uint16 + +// Keys defined in draft-ietf-dnsop-svcb-https-08 Section 14.3.2. +const ( + SVCB_MANDATORY SVCBKey = iota + SVCB_ALPN + SVCB_NO_DEFAULT_ALPN + SVCB_PORT + SVCB_IPV4HINT + SVCB_ECHCONFIG + SVCB_IPV6HINT + SVCB_DOHPATH // draft-ietf-add-svcb-dns-02 Section 9 + + svcb_RESERVED SVCBKey = 65535 +) + +var svcbKeyToStringMap = map[SVCBKey]string{ + SVCB_MANDATORY: "mandatory", + SVCB_ALPN: "alpn", + SVCB_NO_DEFAULT_ALPN: "no-default-alpn", + SVCB_PORT: "port", + SVCB_IPV4HINT: "ipv4hint", + SVCB_ECHCONFIG: "ech", + SVCB_IPV6HINT: "ipv6hint", + SVCB_DOHPATH: "dohpath", +} + +var svcbStringToKeyMap = reverseSVCBKeyMap(svcbKeyToStringMap) + +func reverseSVCBKeyMap(m map[SVCBKey]string) map[string]SVCBKey { + n := make(map[string]SVCBKey, len(m)) + for u, s := range m { + n[s] = u + } + return n +} + +// String takes the numerical code of an SVCB key and returns its name. +// Returns an empty string for reserved keys. +// Accepts unassigned keys as well as experimental/private keys. +func (key SVCBKey) String() string { + if x := svcbKeyToStringMap[key]; x != "" { + return x + } + if key == svcb_RESERVED { + return "" + } + return "key" + strconv.FormatUint(uint64(key), 10) +} + +// svcbStringToKey returns the numerical code of an SVCB key. +// Returns svcb_RESERVED for reserved/invalid keys. +// Accepts unassigned keys as well as experimental/private keys. +func svcbStringToKey(s string) SVCBKey { + if strings.HasPrefix(s, "key") { + a, err := strconv.ParseUint(s[3:], 10, 16) + // no leading zeros + // key shouldn't be registered + if err != nil || a == 65535 || s[3] == '0' || svcbKeyToStringMap[SVCBKey(a)] != "" { + return svcb_RESERVED + } + return SVCBKey(a) + } + if key, ok := svcbStringToKeyMap[s]; ok { + return key + } + return svcb_RESERVED +} + +func (rr *SVCB) parse(c *zlexer, o string) *ParseError { + l, _ := c.Next() + i, e := strconv.ParseUint(l.token, 10, 16) + if e != nil || l.err { + return &ParseError{l.token, "bad SVCB priority", l} + } + rr.Priority = uint16(i) + + c.Next() // zBlank + l, _ = c.Next() // zString + rr.Target = l.token + + name, nameOk := toAbsoluteName(l.token, o) + if l.err || !nameOk { + return &ParseError{l.token, "bad SVCB Target", l} + } + rr.Target = name + + // Values (if any) + l, _ = c.Next() + var xs []SVCBKeyValue + // Helps require whitespace between pairs. + // Prevents key1000="a"key1001=... + canHaveNextKey := true + for l.value != zNewline && l.value != zEOF { + switch l.value { + case zString: + if !canHaveNextKey { + // The key we can now read was probably meant to be + // a part of the last value. + return &ParseError{l.token, "bad SVCB value quotation", l} + } + + // In key=value pairs, value does not have to be quoted unless value + // contains whitespace. And keys don't need to have values. + // Similarly, keys with an equality signs after them don't need values. + // l.token includes at least up to the first equality sign. + idx := strings.IndexByte(l.token, '=') + var key, value string + if idx < 0 { + // Key with no value and no equality sign + key = l.token + } else if idx == 0 { + return &ParseError{l.token, "bad SVCB key", l} + } else { + key, value = l.token[:idx], l.token[idx+1:] + + if value == "" { + // We have a key and an equality sign. Maybe we have nothing + // after "=" or we have a double quote. + l, _ = c.Next() + if l.value == zQuote { + // Only needed when value ends with double quotes. + // Any value starting with zQuote ends with it. + canHaveNextKey = false + + l, _ = c.Next() + switch l.value { + case zString: + // We have a value in double quotes. + value = l.token + l, _ = c.Next() + if l.value != zQuote { + return &ParseError{l.token, "SVCB unterminated value", l} + } + case zQuote: + // There's nothing in double quotes. + default: + return &ParseError{l.token, "bad SVCB value", l} + } + } + } + } + kv := makeSVCBKeyValue(svcbStringToKey(key)) + if kv == nil { + return &ParseError{l.token, "bad SVCB key", l} + } + if err := kv.parse(value); err != nil { + return &ParseError{l.token, err.Error(), l} + } + xs = append(xs, kv) + case zQuote: + return &ParseError{l.token, "SVCB key can't contain double quotes", l} + case zBlank: + canHaveNextKey = true + default: + return &ParseError{l.token, "bad SVCB values", l} + } + l, _ = c.Next() + } + + // "In AliasMode, records SHOULD NOT include any SvcParams, and recipients MUST + // ignore any SvcParams that are present." + // However, we don't check rr.Priority == 0 && len(xs) > 0 here + // It is the responsibility of the user of the library to check this. + // This is to encourage the fixing of the source of this error. + + rr.Value = xs + return nil +} + +// makeSVCBKeyValue returns an SVCBKeyValue struct with the key or nil for reserved keys. +func makeSVCBKeyValue(key SVCBKey) SVCBKeyValue { + switch key { + case SVCB_MANDATORY: + return new(SVCBMandatory) + case SVCB_ALPN: + return new(SVCBAlpn) + case SVCB_NO_DEFAULT_ALPN: + return new(SVCBNoDefaultAlpn) + case SVCB_PORT: + return new(SVCBPort) + case SVCB_IPV4HINT: + return new(SVCBIPv4Hint) + case SVCB_ECHCONFIG: + return new(SVCBECHConfig) + case SVCB_IPV6HINT: + return new(SVCBIPv6Hint) + case SVCB_DOHPATH: + return new(SVCBDoHPath) + case svcb_RESERVED: + return nil + default: + e := new(SVCBLocal) + e.KeyCode = key + return e + } +} + +// SVCB RR. See RFC xxxx (https://tools.ietf.org/html/draft-ietf-dnsop-svcb-https-08). +// +// NOTE: The HTTPS/SVCB RFCs are in the draft stage. +// The API, including constants and types related to SVCBKeyValues, may +// change in future versions in accordance with the latest drafts. +type SVCB struct { + Hdr RR_Header + Priority uint16 // If zero, Value must be empty or discarded by the user of this library + Target string `dns:"domain-name"` + Value []SVCBKeyValue `dns:"pairs"` +} + +// HTTPS RR. Everything valid for SVCB applies to HTTPS as well. +// Except that the HTTPS record is intended for use with the HTTP and HTTPS protocols. +// +// NOTE: The HTTPS/SVCB RFCs are in the draft stage. +// The API, including constants and types related to SVCBKeyValues, may +// change in future versions in accordance with the latest drafts. +type HTTPS struct { + SVCB +} + +func (rr *HTTPS) String() string { + return rr.SVCB.String() +} + +func (rr *HTTPS) parse(c *zlexer, o string) *ParseError { + return rr.SVCB.parse(c, o) +} + +// SVCBKeyValue defines a key=value pair for the SVCB RR type. +// An SVCB RR can have multiple SVCBKeyValues appended to it. +type SVCBKeyValue interface { + Key() SVCBKey // Key returns the numerical key code. + pack() ([]byte, error) // pack returns the encoded value. + unpack([]byte) error // unpack sets the value. + String() string // String returns the string representation of the value. + parse(string) error // parse sets the value to the given string representation of the value. + copy() SVCBKeyValue // copy returns a deep-copy of the pair. + len() int // len returns the length of value in the wire format. +} + +// SVCBMandatory pair adds to required keys that must be interpreted for the RR +// to be functional. If ignored, the whole RRSet must be ignored. +// "port" and "no-default-alpn" are mandatory by default if present, +// so they shouldn't be included here. +// +// It is incumbent upon the user of this library to reject the RRSet if +// or avoid constructing such an RRSet that: +// - "mandatory" is included as one of the keys of mandatory +// - no key is listed multiple times in mandatory +// - all keys listed in mandatory are present +// - escape sequences are not used in mandatory +// - mandatory, when present, lists at least one key +// +// Basic use pattern for creating a mandatory option: +// +// s := &dns.SVCB{Hdr: dns.RR_Header{Name: ".", Rrtype: dns.TypeSVCB, Class: dns.ClassINET}} +// e := new(dns.SVCBMandatory) +// e.Code = []uint16{dns.SVCB_ALPN} +// s.Value = append(s.Value, e) +// t := new(dns.SVCBAlpn) +// t.Alpn = []string{"xmpp-client"} +// s.Value = append(s.Value, t) +type SVCBMandatory struct { + Code []SVCBKey +} + +func (*SVCBMandatory) Key() SVCBKey { return SVCB_MANDATORY } + +func (s *SVCBMandatory) String() string { + str := make([]string, len(s.Code)) + for i, e := range s.Code { + str[i] = e.String() + } + return strings.Join(str, ",") +} + +func (s *SVCBMandatory) pack() ([]byte, error) { + codes := append([]SVCBKey(nil), s.Code...) + sort.Slice(codes, func(i, j int) bool { + return codes[i] < codes[j] + }) + b := make([]byte, 2*len(codes)) + for i, e := range codes { + binary.BigEndian.PutUint16(b[2*i:], uint16(e)) + } + return b, nil +} + +func (s *SVCBMandatory) unpack(b []byte) error { + if len(b)%2 != 0 { + return errors.New("dns: svcbmandatory: value length is not a multiple of 2") + } + codes := make([]SVCBKey, 0, len(b)/2) + for i := 0; i < len(b); i += 2 { + // We assume strictly increasing order. + codes = append(codes, SVCBKey(binary.BigEndian.Uint16(b[i:]))) + } + s.Code = codes + return nil +} + +func (s *SVCBMandatory) parse(b string) error { + str := strings.Split(b, ",") + codes := make([]SVCBKey, 0, len(str)) + for _, e := range str { + codes = append(codes, svcbStringToKey(e)) + } + s.Code = codes + return nil +} + +func (s *SVCBMandatory) len() int { + return 2 * len(s.Code) +} + +func (s *SVCBMandatory) copy() SVCBKeyValue { + return &SVCBMandatory{ + append([]SVCBKey(nil), s.Code...), + } +} + +// SVCBAlpn pair is used to list supported connection protocols. +// The user of this library must ensure that at least one protocol is listed when alpn is present. +// Protocol IDs can be found at: +// https://www.iana.org/assignments/tls-extensiontype-values/tls-extensiontype-values.xhtml#alpn-protocol-ids +// Basic use pattern for creating an alpn option: +// +// h := new(dns.HTTPS) +// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET} +// e := new(dns.SVCBAlpn) +// e.Alpn = []string{"h2", "http/1.1"} +// h.Value = append(h.Value, e) +type SVCBAlpn struct { + Alpn []string +} + +func (*SVCBAlpn) Key() SVCBKey { return SVCB_ALPN } + +func (s *SVCBAlpn) String() string { + // An ALPN value is a comma-separated list of values, each of which can be + // an arbitrary binary value. In order to allow parsing, the comma and + // backslash characters are themselves excaped. + // + // However, this escaping is done in addition to the normal escaping which + // happens in zone files, meaning that these values must be + // double-escaped. This looks terrible, so if you see a never-ending + // sequence of backslash in a zone file this may be why. + // + // https://datatracker.ietf.org/doc/html/draft-ietf-dnsop-svcb-https-08#appendix-A.1 + var str strings.Builder + for i, alpn := range s.Alpn { + // 4*len(alpn) is the worst case where we escape every character in the alpn as \123, plus 1 byte for the ',' separating the alpn from others + str.Grow(4*len(alpn) + 1) + if i > 0 { + str.WriteByte(',') + } + for j := 0; j < len(alpn); j++ { + e := alpn[j] + if ' ' > e || e > '~' { + str.WriteString(escapeByte(e)) + continue + } + switch e { + // We escape a few characters which may confuse humans or parsers. + case '"', ';', ' ': + str.WriteByte('\\') + str.WriteByte(e) + // The comma and backslash characters themselves must be + // doubly-escaped. We use `\\` for the first backslash and + // the escaped numeric value for the other value. We especially + // don't want a comma in the output. + case ',': + str.WriteString(`\\\044`) + case '\\': + str.WriteString(`\\\092`) + default: + str.WriteByte(e) + } + } + } + return str.String() +} + +func (s *SVCBAlpn) pack() ([]byte, error) { + // Liberally estimate the size of an alpn as 10 octets + b := make([]byte, 0, 10*len(s.Alpn)) + for _, e := range s.Alpn { + if e == "" { + return nil, errors.New("dns: svcbalpn: empty alpn-id") + } + if len(e) > 255 { + return nil, errors.New("dns: svcbalpn: alpn-id too long") + } + b = append(b, byte(len(e))) + b = append(b, e...) + } + return b, nil +} + +func (s *SVCBAlpn) unpack(b []byte) error { + // Estimate the size of the smallest alpn as 4 bytes + alpn := make([]string, 0, len(b)/4) + for i := 0; i < len(b); { + length := int(b[i]) + i++ + if i+length > len(b) { + return errors.New("dns: svcbalpn: alpn array overflowing") + } + alpn = append(alpn, string(b[i:i+length])) + i += length + } + s.Alpn = alpn + return nil +} + +func (s *SVCBAlpn) parse(b string) error { + if len(b) == 0 { + s.Alpn = []string{} + return nil + } + + alpn := []string{} + a := []byte{} + for p := 0; p < len(b); { + c, q := nextByte(b, p) + if q == 0 { + return errors.New("dns: svcbalpn: unterminated escape") + } + p += q + // If we find a comma, we have finished reading an alpn. + if c == ',' { + if len(a) == 0 { + return errors.New("dns: svcbalpn: empty protocol identifier") + } + alpn = append(alpn, string(a)) + a = []byte{} + continue + } + // If it's a backslash, we need to handle a comma-separated list. + if c == '\\' { + dc, dq := nextByte(b, p) + if dq == 0 { + return errors.New("dns: svcbalpn: unterminated escape decoding comma-separated list") + } + if dc != '\\' && dc != ',' { + return errors.New("dns: svcbalpn: bad escaped character decoding comma-separated list") + } + p += dq + c = dc + } + a = append(a, c) + } + // Add the final alpn. + if len(a) == 0 { + return errors.New("dns: svcbalpn: last protocol identifier empty") + } + s.Alpn = append(alpn, string(a)) + return nil +} + +func (s *SVCBAlpn) len() int { + var l int + for _, e := range s.Alpn { + l += 1 + len(e) + } + return l +} + +func (s *SVCBAlpn) copy() SVCBKeyValue { + return &SVCBAlpn{ + append([]string(nil), s.Alpn...), + } +} + +// SVCBNoDefaultAlpn pair signifies no support for default connection protocols. +// Should be used in conjunction with alpn. +// Basic use pattern for creating a no-default-alpn option: +// +// s := &dns.SVCB{Hdr: dns.RR_Header{Name: ".", Rrtype: dns.TypeSVCB, Class: dns.ClassINET}} +// t := new(dns.SVCBAlpn) +// t.Alpn = []string{"xmpp-client"} +// s.Value = append(s.Value, t) +// e := new(dns.SVCBNoDefaultAlpn) +// s.Value = append(s.Value, e) +type SVCBNoDefaultAlpn struct{} + +func (*SVCBNoDefaultAlpn) Key() SVCBKey { return SVCB_NO_DEFAULT_ALPN } +func (*SVCBNoDefaultAlpn) copy() SVCBKeyValue { return &SVCBNoDefaultAlpn{} } +func (*SVCBNoDefaultAlpn) pack() ([]byte, error) { return []byte{}, nil } +func (*SVCBNoDefaultAlpn) String() string { return "" } +func (*SVCBNoDefaultAlpn) len() int { return 0 } + +func (*SVCBNoDefaultAlpn) unpack(b []byte) error { + if len(b) != 0 { + return errors.New("dns: svcbnodefaultalpn: no-default-alpn must have no value") + } + return nil +} + +func (*SVCBNoDefaultAlpn) parse(b string) error { + if b != "" { + return errors.New("dns: svcbnodefaultalpn: no-default-alpn must have no value") + } + return nil +} + +// SVCBPort pair defines the port for connection. +// Basic use pattern for creating a port option: +// +// s := &dns.SVCB{Hdr: dns.RR_Header{Name: ".", Rrtype: dns.TypeSVCB, Class: dns.ClassINET}} +// e := new(dns.SVCBPort) +// e.Port = 80 +// s.Value = append(s.Value, e) +type SVCBPort struct { + Port uint16 +} + +func (*SVCBPort) Key() SVCBKey { return SVCB_PORT } +func (*SVCBPort) len() int { return 2 } +func (s *SVCBPort) String() string { return strconv.FormatUint(uint64(s.Port), 10) } +func (s *SVCBPort) copy() SVCBKeyValue { return &SVCBPort{s.Port} } + +func (s *SVCBPort) unpack(b []byte) error { + if len(b) != 2 { + return errors.New("dns: svcbport: port length is not exactly 2 octets") + } + s.Port = binary.BigEndian.Uint16(b) + return nil +} + +func (s *SVCBPort) pack() ([]byte, error) { + b := make([]byte, 2) + binary.BigEndian.PutUint16(b, s.Port) + return b, nil +} + +func (s *SVCBPort) parse(b string) error { + port, err := strconv.ParseUint(b, 10, 16) + if err != nil { + return errors.New("dns: svcbport: port out of range") + } + s.Port = uint16(port) + return nil +} + +// SVCBIPv4Hint pair suggests an IPv4 address which may be used to open connections +// if A and AAAA record responses for SVCB's Target domain haven't been received. +// In that case, optionally, A and AAAA requests can be made, after which the connection +// to the hinted IP address may be terminated and a new connection may be opened. +// Basic use pattern for creating an ipv4hint option: +// +// h := new(dns.HTTPS) +// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET} +// e := new(dns.SVCBIPv4Hint) +// e.Hint = []net.IP{net.IPv4(1,1,1,1).To4()} +// +// Or +// +// e.Hint = []net.IP{net.ParseIP("1.1.1.1").To4()} +// h.Value = append(h.Value, e) +type SVCBIPv4Hint struct { + Hint []net.IP +} + +func (*SVCBIPv4Hint) Key() SVCBKey { return SVCB_IPV4HINT } +func (s *SVCBIPv4Hint) len() int { return 4 * len(s.Hint) } + +func (s *SVCBIPv4Hint) pack() ([]byte, error) { + b := make([]byte, 0, 4*len(s.Hint)) + for _, e := range s.Hint { + x := e.To4() + if x == nil { + return nil, errors.New("dns: svcbipv4hint: expected ipv4, hint is ipv6") + } + b = append(b, x...) + } + return b, nil +} + +func (s *SVCBIPv4Hint) unpack(b []byte) error { + if len(b) == 0 || len(b)%4 != 0 { + return errors.New("dns: svcbipv4hint: ipv4 address byte array length is not a multiple of 4") + } + x := make([]net.IP, 0, len(b)/4) + for i := 0; i < len(b); i += 4 { + x = append(x, net.IP(b[i:i+4])) + } + s.Hint = x + return nil +} + +func (s *SVCBIPv4Hint) String() string { + str := make([]string, len(s.Hint)) + for i, e := range s.Hint { + x := e.To4() + if x == nil { + return "" + } + str[i] = x.String() + } + return strings.Join(str, ",") +} + +func (s *SVCBIPv4Hint) parse(b string) error { + if strings.Contains(b, ":") { + return errors.New("dns: svcbipv4hint: expected ipv4, got ipv6") + } + str := strings.Split(b, ",") + dst := make([]net.IP, len(str)) + for i, e := range str { + ip := net.ParseIP(e).To4() + if ip == nil { + return errors.New("dns: svcbipv4hint: bad ip") + } + dst[i] = ip + } + s.Hint = dst + return nil +} + +func (s *SVCBIPv4Hint) copy() SVCBKeyValue { + hint := make([]net.IP, len(s.Hint)) + for i, ip := range s.Hint { + hint[i] = copyIP(ip) + } + + return &SVCBIPv4Hint{ + Hint: hint, + } +} + +// SVCBECHConfig pair contains the ECHConfig structure defined in draft-ietf-tls-esni [RFC xxxx]. +// Basic use pattern for creating an ech option: +// +// h := new(dns.HTTPS) +// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET} +// e := new(dns.SVCBECHConfig) +// e.ECH = []byte{0xfe, 0x08, ...} +// h.Value = append(h.Value, e) +type SVCBECHConfig struct { + ECH []byte // Specifically ECHConfigList including the redundant length prefix +} + +func (*SVCBECHConfig) Key() SVCBKey { return SVCB_ECHCONFIG } +func (s *SVCBECHConfig) String() string { return toBase64(s.ECH) } +func (s *SVCBECHConfig) len() int { return len(s.ECH) } + +func (s *SVCBECHConfig) pack() ([]byte, error) { + return append([]byte(nil), s.ECH...), nil +} + +func (s *SVCBECHConfig) copy() SVCBKeyValue { + return &SVCBECHConfig{ + append([]byte(nil), s.ECH...), + } +} + +func (s *SVCBECHConfig) unpack(b []byte) error { + s.ECH = append([]byte(nil), b...) + return nil +} +func (s *SVCBECHConfig) parse(b string) error { + x, err := fromBase64([]byte(b)) + if err != nil { + return errors.New("dns: svcbech: bad base64 ech") + } + s.ECH = x + return nil +} + +// SVCBIPv6Hint pair suggests an IPv6 address which may be used to open connections +// if A and AAAA record responses for SVCB's Target domain haven't been received. +// In that case, optionally, A and AAAA requests can be made, after which the +// connection to the hinted IP address may be terminated and a new connection may be opened. +// Basic use pattern for creating an ipv6hint option: +// +// h := new(dns.HTTPS) +// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET} +// e := new(dns.SVCBIPv6Hint) +// e.Hint = []net.IP{net.ParseIP("2001:db8::1")} +// h.Value = append(h.Value, e) +type SVCBIPv6Hint struct { + Hint []net.IP +} + +func (*SVCBIPv6Hint) Key() SVCBKey { return SVCB_IPV6HINT } +func (s *SVCBIPv6Hint) len() int { return 16 * len(s.Hint) } + +func (s *SVCBIPv6Hint) pack() ([]byte, error) { + b := make([]byte, 0, 16*len(s.Hint)) + for _, e := range s.Hint { + if len(e) != net.IPv6len || e.To4() != nil { + return nil, errors.New("dns: svcbipv6hint: expected ipv6, hint is ipv4") + } + b = append(b, e...) + } + return b, nil +} + +func (s *SVCBIPv6Hint) unpack(b []byte) error { + if len(b) == 0 || len(b)%16 != 0 { + return errors.New("dns: svcbipv6hint: ipv6 address byte array length not a multiple of 16") + } + x := make([]net.IP, 0, len(b)/16) + for i := 0; i < len(b); i += 16 { + ip := net.IP(b[i : i+16]) + if ip.To4() != nil { + return errors.New("dns: svcbipv6hint: expected ipv6, got ipv4") + } + x = append(x, ip) + } + s.Hint = x + return nil +} + +func (s *SVCBIPv6Hint) String() string { + str := make([]string, len(s.Hint)) + for i, e := range s.Hint { + if x := e.To4(); x != nil { + return "" + } + str[i] = e.String() + } + return strings.Join(str, ",") +} + +func (s *SVCBIPv6Hint) parse(b string) error { + str := strings.Split(b, ",") + dst := make([]net.IP, len(str)) + for i, e := range str { + ip := net.ParseIP(e) + if ip == nil { + return errors.New("dns: svcbipv6hint: bad ip") + } + if ip.To4() != nil { + return errors.New("dns: svcbipv6hint: expected ipv6, got ipv4-mapped-ipv6") + } + dst[i] = ip + } + s.Hint = dst + return nil +} + +func (s *SVCBIPv6Hint) copy() SVCBKeyValue { + hint := make([]net.IP, len(s.Hint)) + for i, ip := range s.Hint { + hint[i] = copyIP(ip) + } + + return &SVCBIPv6Hint{ + Hint: hint, + } +} + +// SVCBDoHPath pair is used to indicate the URI template that the +// clients may use to construct a DNS over HTTPS URI. +// +// See RFC xxxx (https://datatracker.ietf.org/doc/html/draft-ietf-add-svcb-dns-02) +// and RFC yyyy (https://datatracker.ietf.org/doc/html/draft-ietf-add-ddr-06). +// +// A basic example of using the dohpath option together with the alpn +// option to indicate support for DNS over HTTPS on a certain path: +// +// s := new(dns.SVCB) +// s.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeSVCB, Class: dns.ClassINET} +// e := new(dns.SVCBAlpn) +// e.Alpn = []string{"h2", "h3"} +// p := new(dns.SVCBDoHPath) +// p.Template = "/dns-query{?dns}" +// s.Value = append(s.Value, e, p) +// +// The parsing currently doesn't validate that Template is a valid +// RFC 6570 URI template. +type SVCBDoHPath struct { + Template string +} + +func (*SVCBDoHPath) Key() SVCBKey { return SVCB_DOHPATH } +func (s *SVCBDoHPath) String() string { return svcbParamToStr([]byte(s.Template)) } +func (s *SVCBDoHPath) len() int { return len(s.Template) } +func (s *SVCBDoHPath) pack() ([]byte, error) { return []byte(s.Template), nil } + +func (s *SVCBDoHPath) unpack(b []byte) error { + s.Template = string(b) + return nil +} + +func (s *SVCBDoHPath) parse(b string) error { + template, err := svcbParseParam(b) + if err != nil { + return fmt.Errorf("dns: svcbdohpath: %w", err) + } + s.Template = string(template) + return nil +} + +func (s *SVCBDoHPath) copy() SVCBKeyValue { + return &SVCBDoHPath{ + Template: s.Template, + } +} + +// SVCBLocal pair is intended for experimental/private use. The key is recommended +// to be in the range [SVCB_PRIVATE_LOWER, SVCB_PRIVATE_UPPER]. +// Basic use pattern for creating a keyNNNNN option: +// +// h := new(dns.HTTPS) +// h.Hdr = dns.RR_Header{Name: ".", Rrtype: dns.TypeHTTPS, Class: dns.ClassINET} +// e := new(dns.SVCBLocal) +// e.KeyCode = 65400 +// e.Data = []byte("abc") +// h.Value = append(h.Value, e) +type SVCBLocal struct { + KeyCode SVCBKey // Never 65535 or any assigned keys. + Data []byte // All byte sequences are allowed. +} + +func (s *SVCBLocal) Key() SVCBKey { return s.KeyCode } +func (s *SVCBLocal) String() string { return svcbParamToStr(s.Data) } +func (s *SVCBLocal) pack() ([]byte, error) { return append([]byte(nil), s.Data...), nil } +func (s *SVCBLocal) len() int { return len(s.Data) } + +func (s *SVCBLocal) unpack(b []byte) error { + s.Data = append([]byte(nil), b...) + return nil +} + +func (s *SVCBLocal) parse(b string) error { + data, err := svcbParseParam(b) + if err != nil { + return fmt.Errorf("dns: svcblocal: svcb private/experimental key %w", err) + } + s.Data = data + return nil +} + +func (s *SVCBLocal) copy() SVCBKeyValue { + return &SVCBLocal{s.KeyCode, + append([]byte(nil), s.Data...), + } +} + +func (rr *SVCB) String() string { + s := rr.Hdr.String() + + strconv.Itoa(int(rr.Priority)) + " " + + sprintName(rr.Target) + for _, e := range rr.Value { + s += " " + e.Key().String() + "=\"" + e.String() + "\"" + } + return s +} + +// areSVCBPairArraysEqual checks if SVCBKeyValue arrays are equal after sorting their +// copies. arrA and arrB have equal lengths, otherwise zduplicate.go wouldn't call this function. +func areSVCBPairArraysEqual(a []SVCBKeyValue, b []SVCBKeyValue) bool { + a = append([]SVCBKeyValue(nil), a...) + b = append([]SVCBKeyValue(nil), b...) + sort.Slice(a, func(i, j int) bool { return a[i].Key() < a[j].Key() }) + sort.Slice(b, func(i, j int) bool { return b[i].Key() < b[j].Key() }) + for i, e := range a { + if e.Key() != b[i].Key() { + return false + } + b1, err1 := e.pack() + b2, err2 := b[i].pack() + if err1 != nil || err2 != nil || !bytes.Equal(b1, b2) { + return false + } + } + return true +} + +// svcbParamStr converts the value of an SVCB parameter into a DNS presentation-format string. +func svcbParamToStr(s []byte) string { + var str strings.Builder + str.Grow(4 * len(s)) + for _, e := range s { + if ' ' <= e && e <= '~' { + switch e { + case '"', ';', ' ', '\\': + str.WriteByte('\\') + str.WriteByte(e) + default: + str.WriteByte(e) + } + } else { + str.WriteString(escapeByte(e)) + } + } + return str.String() +} + +// svcbParseParam parses a DNS presentation-format string into an SVCB parameter value. +func svcbParseParam(b string) ([]byte, error) { + data := make([]byte, 0, len(b)) + for i := 0; i < len(b); { + if b[i] != '\\' { + data = append(data, b[i]) + i++ + continue + } + if i+1 == len(b) { + return nil, errors.New("escape unterminated") + } + if isDigit(b[i+1]) { + if i+3 < len(b) && isDigit(b[i+2]) && isDigit(b[i+3]) { + a, err := strconv.ParseUint(b[i+1:i+4], 10, 8) + if err == nil { + i += 4 + data = append(data, byte(a)) + continue + } + } + return nil, errors.New("bad escaped octet") + } else { + data = append(data, b[i+1]) + i += 2 + } + } + return data, nil +} diff --git a/vendor/github.com/miekg/dns/tlsa.go b/vendor/github.com/miekg/dns/tlsa.go new file mode 100644 index 000000000..4e07983b9 --- /dev/null +++ b/vendor/github.com/miekg/dns/tlsa.go @@ -0,0 +1,44 @@ +package dns + +import ( + "crypto/x509" + "net" + "strconv" +) + +// Sign creates a TLSA record from an SSL certificate. +func (r *TLSA) Sign(usage, selector, matchingType int, cert *x509.Certificate) (err error) { + r.Hdr.Rrtype = TypeTLSA + r.Usage = uint8(usage) + r.Selector = uint8(selector) + r.MatchingType = uint8(matchingType) + + r.Certificate, err = CertificateToDANE(r.Selector, r.MatchingType, cert) + return err +} + +// Verify verifies a TLSA record against an SSL certificate. If it is OK +// a nil error is returned. +func (r *TLSA) Verify(cert *x509.Certificate) error { + c, err := CertificateToDANE(r.Selector, r.MatchingType, cert) + if err != nil { + return err // Not also ErrSig? + } + if r.Certificate == c { + return nil + } + return ErrSig // ErrSig, really? +} + +// TLSAName returns the ownername of a TLSA resource record as per the +// rules specified in RFC 6698, Section 3. +func TLSAName(name, service, network string) (string, error) { + if !IsFqdn(name) { + return "", ErrFqdn + } + p, err := net.LookupPort(network, service) + if err != nil { + return "", err + } + return "_" + strconv.Itoa(p) + "._" + network + "." + name, nil +} diff --git a/vendor/github.com/miekg/dns/tools.go b/vendor/github.com/miekg/dns/tools.go new file mode 100644 index 000000000..d11182536 --- /dev/null +++ b/vendor/github.com/miekg/dns/tools.go @@ -0,0 +1,9 @@ +// +build tools + +// We include our tool dependencies for `go generate` here to ensure they're +// properly tracked by the go tool. See the Go Wiki for the rationale behind this: +// https://github.com/golang/go/wiki/Modules#how-can-i-track-tool-dependencies-for-a-module. + +package dns + +import _ "golang.org/x/tools/go/packages" diff --git a/vendor/github.com/miekg/dns/tsig.go b/vendor/github.com/miekg/dns/tsig.go new file mode 100644 index 000000000..8b37cc841 --- /dev/null +++ b/vendor/github.com/miekg/dns/tsig.go @@ -0,0 +1,456 @@ +package dns + +import ( + "crypto/hmac" + "crypto/sha1" + "crypto/sha256" + "crypto/sha512" + "encoding/binary" + "encoding/hex" + "hash" + "strconv" + "strings" + "time" +) + +// HMAC hashing codes. These are transmitted as domain names. +const ( + HmacSHA1 = "hmac-sha1." + HmacSHA224 = "hmac-sha224." + HmacSHA256 = "hmac-sha256." + HmacSHA384 = "hmac-sha384." + HmacSHA512 = "hmac-sha512." + + HmacMD5 = "hmac-md5.sig-alg.reg.int." // Deprecated: HmacMD5 is no longer supported. +) + +// TsigProvider provides the API to plug-in a custom TSIG implementation. +type TsigProvider interface { + // Generate is passed the DNS message to be signed and the partial TSIG RR. It returns the signature and nil, otherwise an error. + Generate(msg []byte, t *TSIG) ([]byte, error) + // Verify is passed the DNS message to be verified and the TSIG RR. If the signature is valid it will return nil, otherwise an error. + Verify(msg []byte, t *TSIG) error +} + +type tsigHMACProvider string + +func (key tsigHMACProvider) Generate(msg []byte, t *TSIG) ([]byte, error) { + // If we barf here, the caller is to blame + rawsecret, err := fromBase64([]byte(key)) + if err != nil { + return nil, err + } + var h hash.Hash + switch CanonicalName(t.Algorithm) { + case HmacSHA1: + h = hmac.New(sha1.New, rawsecret) + case HmacSHA224: + h = hmac.New(sha256.New224, rawsecret) + case HmacSHA256: + h = hmac.New(sha256.New, rawsecret) + case HmacSHA384: + h = hmac.New(sha512.New384, rawsecret) + case HmacSHA512: + h = hmac.New(sha512.New, rawsecret) + default: + return nil, ErrKeyAlg + } + h.Write(msg) + return h.Sum(nil), nil +} + +func (key tsigHMACProvider) Verify(msg []byte, t *TSIG) error { + b, err := key.Generate(msg, t) + if err != nil { + return err + } + mac, err := hex.DecodeString(t.MAC) + if err != nil { + return err + } + if !hmac.Equal(b, mac) { + return ErrSig + } + return nil +} + +type tsigSecretProvider map[string]string + +func (ts tsigSecretProvider) Generate(msg []byte, t *TSIG) ([]byte, error) { + key, ok := ts[t.Hdr.Name] + if !ok { + return nil, ErrSecret + } + return tsigHMACProvider(key).Generate(msg, t) +} + +func (ts tsigSecretProvider) Verify(msg []byte, t *TSIG) error { + key, ok := ts[t.Hdr.Name] + if !ok { + return ErrSecret + } + return tsigHMACProvider(key).Verify(msg, t) +} + +// TSIG is the RR the holds the transaction signature of a message. +// See RFC 2845 and RFC 4635. +type TSIG struct { + Hdr RR_Header + Algorithm string `dns:"domain-name"` + TimeSigned uint64 `dns:"uint48"` + Fudge uint16 + MACSize uint16 + MAC string `dns:"size-hex:MACSize"` + OrigId uint16 + Error uint16 + OtherLen uint16 + OtherData string `dns:"size-hex:OtherLen"` +} + +// TSIG has no official presentation format, but this will suffice. + +func (rr *TSIG) String() string { + s := "\n;; TSIG PSEUDOSECTION:\n; " // add another semi-colon to signify TSIG does not have a presentation format + s += rr.Hdr.String() + + " " + rr.Algorithm + + " " + tsigTimeToString(rr.TimeSigned) + + " " + strconv.Itoa(int(rr.Fudge)) + + " " + strconv.Itoa(int(rr.MACSize)) + + " " + strings.ToUpper(rr.MAC) + + " " + strconv.Itoa(int(rr.OrigId)) + + " " + strconv.Itoa(int(rr.Error)) + // BIND prints NOERROR + " " + strconv.Itoa(int(rr.OtherLen)) + + " " + rr.OtherData + return s +} + +func (*TSIG) parse(c *zlexer, origin string) *ParseError { + return &ParseError{err: "TSIG records do not have a presentation format"} +} + +// The following values must be put in wireformat, so that the MAC can be calculated. +// RFC 2845, section 3.4.2. TSIG Variables. +type tsigWireFmt struct { + // From RR_Header + Name string `dns:"domain-name"` + Class uint16 + Ttl uint32 + // Rdata of the TSIG + Algorithm string `dns:"domain-name"` + TimeSigned uint64 `dns:"uint48"` + Fudge uint16 + // MACSize, MAC and OrigId excluded + Error uint16 + OtherLen uint16 + OtherData string `dns:"size-hex:OtherLen"` +} + +// If we have the MAC use this type to convert it to wiredata. Section 3.4.3. Request MAC +type macWireFmt struct { + MACSize uint16 + MAC string `dns:"size-hex:MACSize"` +} + +// 3.3. Time values used in TSIG calculations +type timerWireFmt struct { + TimeSigned uint64 `dns:"uint48"` + Fudge uint16 +} + +// TsigGenerate fills out the TSIG record attached to the message. +// The message should contain +// a "stub" TSIG RR with the algorithm, key name (owner name of the RR), +// time fudge (defaults to 300 seconds) and the current time +// The TSIG MAC is saved in that Tsig RR. +// When TsigGenerate is called for the first time requestMAC is set to the empty string and +// timersOnly is false. +// If something goes wrong an error is returned, otherwise it is nil. +func TsigGenerate(m *Msg, secret, requestMAC string, timersOnly bool) ([]byte, string, error) { + return tsigGenerateProvider(m, tsigHMACProvider(secret), requestMAC, timersOnly) +} + +func tsigGenerateProvider(m *Msg, provider TsigProvider, requestMAC string, timersOnly bool) ([]byte, string, error) { + if m.IsTsig() == nil { + panic("dns: TSIG not last RR in additional") + } + + rr := m.Extra[len(m.Extra)-1].(*TSIG) + m.Extra = m.Extra[0 : len(m.Extra)-1] // kill the TSIG from the msg + mbuf, err := m.Pack() + if err != nil { + return nil, "", err + } + + buf, err := tsigBuffer(mbuf, rr, requestMAC, timersOnly) + if err != nil { + return nil, "", err + } + + t := new(TSIG) + // Copy all TSIG fields except MAC, its size, and time signed which are filled when signing. + *t = *rr + t.TimeSigned = 0 + t.MAC = "" + t.MACSize = 0 + + // Sign unless there is a key or MAC validation error (RFC 8945 5.3.2) + if rr.Error != RcodeBadKey && rr.Error != RcodeBadSig { + mac, err := provider.Generate(buf, rr) + if err != nil { + return nil, "", err + } + t.TimeSigned = rr.TimeSigned + t.MAC = hex.EncodeToString(mac) + t.MACSize = uint16(len(t.MAC) / 2) // Size is half! + } + + tbuf := make([]byte, Len(t)) + off, err := PackRR(t, tbuf, 0, nil, false) + if err != nil { + return nil, "", err + } + mbuf = append(mbuf, tbuf[:off]...) + // Update the ArCount directly in the buffer. + binary.BigEndian.PutUint16(mbuf[10:], uint16(len(m.Extra)+1)) + + return mbuf, t.MAC, nil +} + +// TsigVerify verifies the TSIG on a message. +// If the signature does not validate err contains the +// error, otherwise it is nil. +func TsigVerify(msg []byte, secret, requestMAC string, timersOnly bool) error { + return tsigVerify(msg, tsigHMACProvider(secret), requestMAC, timersOnly, uint64(time.Now().Unix())) +} + +func tsigVerifyProvider(msg []byte, provider TsigProvider, requestMAC string, timersOnly bool) error { + return tsigVerify(msg, provider, requestMAC, timersOnly, uint64(time.Now().Unix())) +} + +// actual implementation of TsigVerify, taking the current time ('now') as a parameter for the convenience of tests. +func tsigVerify(msg []byte, provider TsigProvider, requestMAC string, timersOnly bool, now uint64) error { + // Strip the TSIG from the incoming msg + stripped, tsig, err := stripTsig(msg) + if err != nil { + return err + } + + buf, err := tsigBuffer(stripped, tsig, requestMAC, timersOnly) + if err != nil { + return err + } + + if err := provider.Verify(buf, tsig); err != nil { + return err + } + + // Fudge factor works both ways. A message can arrive before it was signed because + // of clock skew. + // We check this after verifying the signature, following draft-ietf-dnsop-rfc2845bis + // instead of RFC2845, in order to prevent a security vulnerability as reported in CVE-2017-3142/3143. + ti := now - tsig.TimeSigned + if now < tsig.TimeSigned { + ti = tsig.TimeSigned - now + } + if uint64(tsig.Fudge) < ti { + return ErrTime + } + + return nil +} + +// Create a wiredata buffer for the MAC calculation. +func tsigBuffer(msgbuf []byte, rr *TSIG, requestMAC string, timersOnly bool) ([]byte, error) { + var buf []byte + if rr.TimeSigned == 0 { + rr.TimeSigned = uint64(time.Now().Unix()) + } + if rr.Fudge == 0 { + rr.Fudge = 300 // Standard (RFC) default. + } + + // Replace message ID in header with original ID from TSIG + binary.BigEndian.PutUint16(msgbuf[0:2], rr.OrigId) + + if requestMAC != "" { + m := new(macWireFmt) + m.MACSize = uint16(len(requestMAC) / 2) + m.MAC = requestMAC + buf = make([]byte, len(requestMAC)) // long enough + n, err := packMacWire(m, buf) + if err != nil { + return nil, err + } + buf = buf[:n] + } + + tsigvar := make([]byte, DefaultMsgSize) + if timersOnly { + tsig := new(timerWireFmt) + tsig.TimeSigned = rr.TimeSigned + tsig.Fudge = rr.Fudge + n, err := packTimerWire(tsig, tsigvar) + if err != nil { + return nil, err + } + tsigvar = tsigvar[:n] + } else { + tsig := new(tsigWireFmt) + tsig.Name = CanonicalName(rr.Hdr.Name) + tsig.Class = ClassANY + tsig.Ttl = rr.Hdr.Ttl + tsig.Algorithm = CanonicalName(rr.Algorithm) + tsig.TimeSigned = rr.TimeSigned + tsig.Fudge = rr.Fudge + tsig.Error = rr.Error + tsig.OtherLen = rr.OtherLen + tsig.OtherData = rr.OtherData + n, err := packTsigWire(tsig, tsigvar) + if err != nil { + return nil, err + } + tsigvar = tsigvar[:n] + } + + if requestMAC != "" { + x := append(buf, msgbuf...) + buf = append(x, tsigvar...) + } else { + buf = append(msgbuf, tsigvar...) + } + return buf, nil +} + +// Strip the TSIG from the raw message. +func stripTsig(msg []byte) ([]byte, *TSIG, error) { + // Copied from msg.go's Unpack() Header, but modified. + var ( + dh Header + err error + ) + off, tsigoff := 0, 0 + + if dh, off, err = unpackMsgHdr(msg, off); err != nil { + return nil, nil, err + } + if dh.Arcount == 0 { + return nil, nil, ErrNoSig + } + + // Rcode, see msg.go Unpack() + if int(dh.Bits&0xF) == RcodeNotAuth { + return nil, nil, ErrAuth + } + + for i := 0; i < int(dh.Qdcount); i++ { + _, off, err = unpackQuestion(msg, off) + if err != nil { + return nil, nil, err + } + } + + _, off, err = unpackRRslice(int(dh.Ancount), msg, off) + if err != nil { + return nil, nil, err + } + _, off, err = unpackRRslice(int(dh.Nscount), msg, off) + if err != nil { + return nil, nil, err + } + + rr := new(TSIG) + var extra RR + for i := 0; i < int(dh.Arcount); i++ { + tsigoff = off + extra, off, err = UnpackRR(msg, off) + if err != nil { + return nil, nil, err + } + if extra.Header().Rrtype == TypeTSIG { + rr = extra.(*TSIG) + // Adjust Arcount. + arcount := binary.BigEndian.Uint16(msg[10:]) + binary.BigEndian.PutUint16(msg[10:], arcount-1) + break + } + } + if rr == nil { + return nil, nil, ErrNoSig + } + return msg[:tsigoff], rr, nil +} + +// Translate the TSIG time signed into a date. There is no +// need for RFC1982 calculations as this date is 48 bits. +func tsigTimeToString(t uint64) string { + ti := time.Unix(int64(t), 0).UTC() + return ti.Format("20060102150405") +} + +func packTsigWire(tw *tsigWireFmt, msg []byte) (int, error) { + // copied from zmsg.go TSIG packing + // RR_Header + off, err := PackDomainName(tw.Name, msg, 0, nil, false) + if err != nil { + return off, err + } + off, err = packUint16(tw.Class, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(tw.Ttl, msg, off) + if err != nil { + return off, err + } + + off, err = PackDomainName(tw.Algorithm, msg, off, nil, false) + if err != nil { + return off, err + } + off, err = packUint48(tw.TimeSigned, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(tw.Fudge, msg, off) + if err != nil { + return off, err + } + + off, err = packUint16(tw.Error, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(tw.OtherLen, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(tw.OtherData, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func packMacWire(mw *macWireFmt, msg []byte) (int, error) { + off, err := packUint16(mw.MACSize, msg, 0) + if err != nil { + return off, err + } + off, err = packStringHex(mw.MAC, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func packTimerWire(tw *timerWireFmt, msg []byte) (int, error) { + off, err := packUint48(tw.TimeSigned, msg, 0) + if err != nil { + return off, err + } + off, err = packUint16(tw.Fudge, msg, off) + if err != nil { + return off, err + } + return off, nil +} diff --git a/vendor/github.com/miekg/dns/types.go b/vendor/github.com/miekg/dns/types.go new file mode 100644 index 000000000..d9becb67c --- /dev/null +++ b/vendor/github.com/miekg/dns/types.go @@ -0,0 +1,1559 @@ +package dns + +import ( + "bytes" + "fmt" + "net" + "strconv" + "strings" + "time" +) + +type ( + // Type is a DNS type. + Type uint16 + // Class is a DNS class. + Class uint16 + // Name is a DNS domain name. + Name string +) + +// Packet formats + +// Wire constants and supported types. +const ( + // valid RR_Header.Rrtype and Question.qtype + + TypeNone uint16 = 0 + TypeA uint16 = 1 + TypeNS uint16 = 2 + TypeMD uint16 = 3 + TypeMF uint16 = 4 + TypeCNAME uint16 = 5 + TypeSOA uint16 = 6 + TypeMB uint16 = 7 + TypeMG uint16 = 8 + TypeMR uint16 = 9 + TypeNULL uint16 = 10 + TypePTR uint16 = 12 + TypeHINFO uint16 = 13 + TypeMINFO uint16 = 14 + TypeMX uint16 = 15 + TypeTXT uint16 = 16 + TypeRP uint16 = 17 + TypeAFSDB uint16 = 18 + TypeX25 uint16 = 19 + TypeISDN uint16 = 20 + TypeRT uint16 = 21 + TypeNSAPPTR uint16 = 23 + TypeSIG uint16 = 24 + TypeKEY uint16 = 25 + TypePX uint16 = 26 + TypeGPOS uint16 = 27 + TypeAAAA uint16 = 28 + TypeLOC uint16 = 29 + TypeNXT uint16 = 30 + TypeEID uint16 = 31 + TypeNIMLOC uint16 = 32 + TypeSRV uint16 = 33 + TypeATMA uint16 = 34 + TypeNAPTR uint16 = 35 + TypeKX uint16 = 36 + TypeCERT uint16 = 37 + TypeDNAME uint16 = 39 + TypeOPT uint16 = 41 // EDNS + TypeAPL uint16 = 42 + TypeDS uint16 = 43 + TypeSSHFP uint16 = 44 + TypeRRSIG uint16 = 46 + TypeNSEC uint16 = 47 + TypeDNSKEY uint16 = 48 + TypeDHCID uint16 = 49 + TypeNSEC3 uint16 = 50 + TypeNSEC3PARAM uint16 = 51 + TypeTLSA uint16 = 52 + TypeSMIMEA uint16 = 53 + TypeHIP uint16 = 55 + TypeNINFO uint16 = 56 + TypeRKEY uint16 = 57 + TypeTALINK uint16 = 58 + TypeCDS uint16 = 59 + TypeCDNSKEY uint16 = 60 + TypeOPENPGPKEY uint16 = 61 + TypeCSYNC uint16 = 62 + TypeZONEMD uint16 = 63 + TypeSVCB uint16 = 64 + TypeHTTPS uint16 = 65 + TypeSPF uint16 = 99 + TypeUINFO uint16 = 100 + TypeUID uint16 = 101 + TypeGID uint16 = 102 + TypeUNSPEC uint16 = 103 + TypeNID uint16 = 104 + TypeL32 uint16 = 105 + TypeL64 uint16 = 106 + TypeLP uint16 = 107 + TypeEUI48 uint16 = 108 + TypeEUI64 uint16 = 109 + TypeURI uint16 = 256 + TypeCAA uint16 = 257 + TypeAVC uint16 = 258 + + TypeTKEY uint16 = 249 + TypeTSIG uint16 = 250 + + // valid Question.Qtype only + TypeIXFR uint16 = 251 + TypeAXFR uint16 = 252 + TypeMAILB uint16 = 253 + TypeMAILA uint16 = 254 + TypeANY uint16 = 255 + + TypeTA uint16 = 32768 + TypeDLV uint16 = 32769 + TypeReserved uint16 = 65535 + + // valid Question.Qclass + ClassINET = 1 + ClassCSNET = 2 + ClassCHAOS = 3 + ClassHESIOD = 4 + ClassNONE = 254 + ClassANY = 255 + + // Message Response Codes, see https://www.iana.org/assignments/dns-parameters/dns-parameters.xhtml + RcodeSuccess = 0 // NoError - No Error [DNS] + RcodeFormatError = 1 // FormErr - Format Error [DNS] + RcodeServerFailure = 2 // ServFail - Server Failure [DNS] + RcodeNameError = 3 // NXDomain - Non-Existent Domain [DNS] + RcodeNotImplemented = 4 // NotImp - Not Implemented [DNS] + RcodeRefused = 5 // Refused - Query Refused [DNS] + RcodeYXDomain = 6 // YXDomain - Name Exists when it should not [DNS Update] + RcodeYXRrset = 7 // YXRRSet - RR Set Exists when it should not [DNS Update] + RcodeNXRrset = 8 // NXRRSet - RR Set that should exist does not [DNS Update] + RcodeNotAuth = 9 // NotAuth - Server Not Authoritative for zone [DNS Update] + RcodeNotZone = 10 // NotZone - Name not contained in zone [DNS Update/TSIG] + RcodeBadSig = 16 // BADSIG - TSIG Signature Failure [TSIG] + RcodeBadVers = 16 // BADVERS - Bad OPT Version [EDNS0] + RcodeBadKey = 17 // BADKEY - Key not recognized [TSIG] + RcodeBadTime = 18 // BADTIME - Signature out of time window [TSIG] + RcodeBadMode = 19 // BADMODE - Bad TKEY Mode [TKEY] + RcodeBadName = 20 // BADNAME - Duplicate key name [TKEY] + RcodeBadAlg = 21 // BADALG - Algorithm not supported [TKEY] + RcodeBadTrunc = 22 // BADTRUNC - Bad Truncation [TSIG] + RcodeBadCookie = 23 // BADCOOKIE - Bad/missing Server Cookie [DNS Cookies] + + // Message Opcodes. There is no 3. + OpcodeQuery = 0 + OpcodeIQuery = 1 + OpcodeStatus = 2 + OpcodeNotify = 4 + OpcodeUpdate = 5 +) + +// Used in ZONEMD https://tools.ietf.org/html/rfc8976 +const ( + ZoneMDSchemeSimple = 1 + + ZoneMDHashAlgSHA384 = 1 + ZoneMDHashAlgSHA512 = 2 +) + +// Header is the wire format for the DNS packet header. +type Header struct { + Id uint16 + Bits uint16 + Qdcount, Ancount, Nscount, Arcount uint16 +} + +const ( + headerSize = 12 + + // Header.Bits + _QR = 1 << 15 // query/response (response=1) + _AA = 1 << 10 // authoritative + _TC = 1 << 9 // truncated + _RD = 1 << 8 // recursion desired + _RA = 1 << 7 // recursion available + _Z = 1 << 6 // Z + _AD = 1 << 5 // authenticated data + _CD = 1 << 4 // checking disabled +) + +// Various constants used in the LOC RR. See RFC 1887. +const ( + LOC_EQUATOR = 1 << 31 // RFC 1876, Section 2. + LOC_PRIMEMERIDIAN = 1 << 31 // RFC 1876, Section 2. + LOC_HOURS = 60 * 1000 + LOC_DEGREES = 60 * LOC_HOURS + LOC_ALTITUDEBASE = 100000 +) + +// Different Certificate Types, see RFC 4398, Section 2.1 +const ( + CertPKIX = 1 + iota + CertSPKI + CertPGP + CertIPIX + CertISPKI + CertIPGP + CertACPKIX + CertIACPKIX + CertURI = 253 + CertOID = 254 +) + +// CertTypeToString converts the Cert Type to its string representation. +// See RFC 4398 and RFC 6944. +var CertTypeToString = map[uint16]string{ + CertPKIX: "PKIX", + CertSPKI: "SPKI", + CertPGP: "PGP", + CertIPIX: "IPIX", + CertISPKI: "ISPKI", + CertIPGP: "IPGP", + CertACPKIX: "ACPKIX", + CertIACPKIX: "IACPKIX", + CertURI: "URI", + CertOID: "OID", +} + +//go:generate go run types_generate.go + +// Question holds a DNS question. Usually there is just one. While the +// original DNS RFCs allow multiple questions in the question section of a +// message, in practice it never works. Because most DNS servers see multiple +// questions as an error, it is recommended to only have one question per +// message. +type Question struct { + Name string `dns:"cdomain-name"` // "cdomain-name" specifies encoding (and may be compressed) + Qtype uint16 + Qclass uint16 +} + +func (q *Question) len(off int, compression map[string]struct{}) int { + l := domainNameLen(q.Name, off, compression, true) + l += 2 + 2 + return l +} + +func (q *Question) String() (s string) { + // prefix with ; (as in dig) + s = ";" + sprintName(q.Name) + "\t" + s += Class(q.Qclass).String() + "\t" + s += " " + Type(q.Qtype).String() + return s +} + +// ANY is a wild card record. See RFC 1035, Section 3.2.3. ANY +// is named "*" there. +type ANY struct { + Hdr RR_Header + // Does not have any rdata +} + +func (rr *ANY) String() string { return rr.Hdr.String() } + +func (*ANY) parse(c *zlexer, origin string) *ParseError { + return &ParseError{err: "ANY records do not have a presentation format"} +} + +// NULL RR. See RFC 1035. +type NULL struct { + Hdr RR_Header + Data string `dns:"any"` +} + +func (rr *NULL) String() string { + // There is no presentation format; prefix string with a comment. + return ";" + rr.Hdr.String() + rr.Data +} + +func (*NULL) parse(c *zlexer, origin string) *ParseError { + return &ParseError{err: "NULL records do not have a presentation format"} +} + +// CNAME RR. See RFC 1034. +type CNAME struct { + Hdr RR_Header + Target string `dns:"cdomain-name"` +} + +func (rr *CNAME) String() string { return rr.Hdr.String() + sprintName(rr.Target) } + +// HINFO RR. See RFC 1034. +type HINFO struct { + Hdr RR_Header + Cpu string + Os string +} + +func (rr *HINFO) String() string { + return rr.Hdr.String() + sprintTxt([]string{rr.Cpu, rr.Os}) +} + +// MB RR. See RFC 1035. +type MB struct { + Hdr RR_Header + Mb string `dns:"cdomain-name"` +} + +func (rr *MB) String() string { return rr.Hdr.String() + sprintName(rr.Mb) } + +// MG RR. See RFC 1035. +type MG struct { + Hdr RR_Header + Mg string `dns:"cdomain-name"` +} + +func (rr *MG) String() string { return rr.Hdr.String() + sprintName(rr.Mg) } + +// MINFO RR. See RFC 1035. +type MINFO struct { + Hdr RR_Header + Rmail string `dns:"cdomain-name"` + Email string `dns:"cdomain-name"` +} + +func (rr *MINFO) String() string { + return rr.Hdr.String() + sprintName(rr.Rmail) + " " + sprintName(rr.Email) +} + +// MR RR. See RFC 1035. +type MR struct { + Hdr RR_Header + Mr string `dns:"cdomain-name"` +} + +func (rr *MR) String() string { + return rr.Hdr.String() + sprintName(rr.Mr) +} + +// MF RR. See RFC 1035. +type MF struct { + Hdr RR_Header + Mf string `dns:"cdomain-name"` +} + +func (rr *MF) String() string { + return rr.Hdr.String() + sprintName(rr.Mf) +} + +// MD RR. See RFC 1035. +type MD struct { + Hdr RR_Header + Md string `dns:"cdomain-name"` +} + +func (rr *MD) String() string { + return rr.Hdr.String() + sprintName(rr.Md) +} + +// MX RR. See RFC 1035. +type MX struct { + Hdr RR_Header + Preference uint16 + Mx string `dns:"cdomain-name"` +} + +func (rr *MX) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + sprintName(rr.Mx) +} + +// AFSDB RR. See RFC 1183. +type AFSDB struct { + Hdr RR_Header + Subtype uint16 + Hostname string `dns:"domain-name"` +} + +func (rr *AFSDB) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Subtype)) + " " + sprintName(rr.Hostname) +} + +// X25 RR. See RFC 1183, Section 3.1. +type X25 struct { + Hdr RR_Header + PSDNAddress string +} + +func (rr *X25) String() string { + return rr.Hdr.String() + rr.PSDNAddress +} + +// RT RR. See RFC 1183, Section 3.3. +type RT struct { + Hdr RR_Header + Preference uint16 + Host string `dns:"domain-name"` // RFC 3597 prohibits compressing records not defined in RFC 1035. +} + +func (rr *RT) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + sprintName(rr.Host) +} + +// NS RR. See RFC 1035. +type NS struct { + Hdr RR_Header + Ns string `dns:"cdomain-name"` +} + +func (rr *NS) String() string { + return rr.Hdr.String() + sprintName(rr.Ns) +} + +// PTR RR. See RFC 1035. +type PTR struct { + Hdr RR_Header + Ptr string `dns:"cdomain-name"` +} + +func (rr *PTR) String() string { + return rr.Hdr.String() + sprintName(rr.Ptr) +} + +// RP RR. See RFC 1138, Section 2.2. +type RP struct { + Hdr RR_Header + Mbox string `dns:"domain-name"` + Txt string `dns:"domain-name"` +} + +func (rr *RP) String() string { + return rr.Hdr.String() + sprintName(rr.Mbox) + " " + sprintName(rr.Txt) +} + +// SOA RR. See RFC 1035. +type SOA struct { + Hdr RR_Header + Ns string `dns:"cdomain-name"` + Mbox string `dns:"cdomain-name"` + Serial uint32 + Refresh uint32 + Retry uint32 + Expire uint32 + Minttl uint32 +} + +func (rr *SOA) String() string { + return rr.Hdr.String() + sprintName(rr.Ns) + " " + sprintName(rr.Mbox) + + " " + strconv.FormatInt(int64(rr.Serial), 10) + + " " + strconv.FormatInt(int64(rr.Refresh), 10) + + " " + strconv.FormatInt(int64(rr.Retry), 10) + + " " + strconv.FormatInt(int64(rr.Expire), 10) + + " " + strconv.FormatInt(int64(rr.Minttl), 10) +} + +// TXT RR. See RFC 1035. +type TXT struct { + Hdr RR_Header + Txt []string `dns:"txt"` +} + +func (rr *TXT) String() string { return rr.Hdr.String() + sprintTxt(rr.Txt) } + +func sprintName(s string) string { + var dst strings.Builder + + for i := 0; i < len(s); { + if s[i] == '.' { + if dst.Len() != 0 { + dst.WriteByte('.') + } + i++ + continue + } + + b, n := nextByte(s, i) + if n == 0 { + // Drop "dangling" incomplete escapes. + if dst.Len() == 0 { + return s[:i] + } + break + } + if isDomainNameLabelSpecial(b) { + if dst.Len() == 0 { + dst.Grow(len(s) * 2) + dst.WriteString(s[:i]) + } + dst.WriteByte('\\') + dst.WriteByte(b) + } else if b < ' ' || b > '~' { // unprintable, use \DDD + if dst.Len() == 0 { + dst.Grow(len(s) * 2) + dst.WriteString(s[:i]) + } + dst.WriteString(escapeByte(b)) + } else { + if dst.Len() != 0 { + dst.WriteByte(b) + } + } + i += n + } + if dst.Len() == 0 { + return s + } + return dst.String() +} + +func sprintTxtOctet(s string) string { + var dst strings.Builder + dst.Grow(2 + len(s)) + dst.WriteByte('"') + for i := 0; i < len(s); { + if i+1 < len(s) && s[i] == '\\' && s[i+1] == '.' { + dst.WriteString(s[i : i+2]) + i += 2 + continue + } + + b, n := nextByte(s, i) + if n == 0 { + i++ // dangling back slash + } else { + writeTXTStringByte(&dst, b) + } + i += n + } + dst.WriteByte('"') + return dst.String() +} + +func sprintTxt(txt []string) string { + var out strings.Builder + for i, s := range txt { + out.Grow(3 + len(s)) + if i > 0 { + out.WriteString(` "`) + } else { + out.WriteByte('"') + } + for j := 0; j < len(s); { + b, n := nextByte(s, j) + if n == 0 { + break + } + writeTXTStringByte(&out, b) + j += n + } + out.WriteByte('"') + } + return out.String() +} + +func writeTXTStringByte(s *strings.Builder, b byte) { + switch { + case b == '"' || b == '\\': + s.WriteByte('\\') + s.WriteByte(b) + case b < ' ' || b > '~': + s.WriteString(escapeByte(b)) + default: + s.WriteByte(b) + } +} + +const ( + escapedByteSmall = "" + + `\000\001\002\003\004\005\006\007\008\009` + + `\010\011\012\013\014\015\016\017\018\019` + + `\020\021\022\023\024\025\026\027\028\029` + + `\030\031` + escapedByteLarge = `\127\128\129` + + `\130\131\132\133\134\135\136\137\138\139` + + `\140\141\142\143\144\145\146\147\148\149` + + `\150\151\152\153\154\155\156\157\158\159` + + `\160\161\162\163\164\165\166\167\168\169` + + `\170\171\172\173\174\175\176\177\178\179` + + `\180\181\182\183\184\185\186\187\188\189` + + `\190\191\192\193\194\195\196\197\198\199` + + `\200\201\202\203\204\205\206\207\208\209` + + `\210\211\212\213\214\215\216\217\218\219` + + `\220\221\222\223\224\225\226\227\228\229` + + `\230\231\232\233\234\235\236\237\238\239` + + `\240\241\242\243\244\245\246\247\248\249` + + `\250\251\252\253\254\255` +) + +// escapeByte returns the \DDD escaping of b which must +// satisfy b < ' ' || b > '~'. +func escapeByte(b byte) string { + if b < ' ' { + return escapedByteSmall[b*4 : b*4+4] + } + + b -= '~' + 1 + // The cast here is needed as b*4 may overflow byte. + return escapedByteLarge[int(b)*4 : int(b)*4+4] +} + +// isDomainNameLabelSpecial returns true if +// a domain name label byte should be prefixed +// with an escaping backslash. +func isDomainNameLabelSpecial(b byte) bool { + switch b { + case '.', ' ', '\'', '@', ';', '(', ')', '"', '\\': + return true + } + return false +} + +func nextByte(s string, offset int) (byte, int) { + if offset >= len(s) { + return 0, 0 + } + if s[offset] != '\\' { + // not an escape sequence + return s[offset], 1 + } + switch len(s) - offset { + case 1: // dangling escape + return 0, 0 + case 2, 3: // too short to be \ddd + default: // maybe \ddd + if isDigit(s[offset+1]) && isDigit(s[offset+2]) && isDigit(s[offset+3]) { + return dddStringToByte(s[offset+1:]), 4 + } + } + // not \ddd, just an RFC 1035 "quoted" character + return s[offset+1], 2 +} + +// SPF RR. See RFC 4408, Section 3.1.1. +type SPF struct { + Hdr RR_Header + Txt []string `dns:"txt"` +} + +func (rr *SPF) String() string { return rr.Hdr.String() + sprintTxt(rr.Txt) } + +// AVC RR. See https://www.iana.org/assignments/dns-parameters/AVC/avc-completed-template. +type AVC struct { + Hdr RR_Header + Txt []string `dns:"txt"` +} + +func (rr *AVC) String() string { return rr.Hdr.String() + sprintTxt(rr.Txt) } + +// SRV RR. See RFC 2782. +type SRV struct { + Hdr RR_Header + Priority uint16 + Weight uint16 + Port uint16 + Target string `dns:"domain-name"` +} + +func (rr *SRV) String() string { + return rr.Hdr.String() + + strconv.Itoa(int(rr.Priority)) + " " + + strconv.Itoa(int(rr.Weight)) + " " + + strconv.Itoa(int(rr.Port)) + " " + sprintName(rr.Target) +} + +// NAPTR RR. See RFC 2915. +type NAPTR struct { + Hdr RR_Header + Order uint16 + Preference uint16 + Flags string + Service string + Regexp string + Replacement string `dns:"domain-name"` +} + +func (rr *NAPTR) String() string { + return rr.Hdr.String() + + strconv.Itoa(int(rr.Order)) + " " + + strconv.Itoa(int(rr.Preference)) + " " + + "\"" + rr.Flags + "\" " + + "\"" + rr.Service + "\" " + + "\"" + rr.Regexp + "\" " + + rr.Replacement +} + +// CERT RR. See RFC 4398. +type CERT struct { + Hdr RR_Header + Type uint16 + KeyTag uint16 + Algorithm uint8 + Certificate string `dns:"base64"` +} + +func (rr *CERT) String() string { + var ( + ok bool + certtype, algorithm string + ) + if certtype, ok = CertTypeToString[rr.Type]; !ok { + certtype = strconv.Itoa(int(rr.Type)) + } + if algorithm, ok = AlgorithmToString[rr.Algorithm]; !ok { + algorithm = strconv.Itoa(int(rr.Algorithm)) + } + return rr.Hdr.String() + certtype + + " " + strconv.Itoa(int(rr.KeyTag)) + + " " + algorithm + + " " + rr.Certificate +} + +// DNAME RR. See RFC 2672. +type DNAME struct { + Hdr RR_Header + Target string `dns:"domain-name"` +} + +func (rr *DNAME) String() string { + return rr.Hdr.String() + sprintName(rr.Target) +} + +// A RR. See RFC 1035. +type A struct { + Hdr RR_Header + A net.IP `dns:"a"` +} + +func (rr *A) String() string { + if rr.A == nil { + return rr.Hdr.String() + } + return rr.Hdr.String() + rr.A.String() +} + +// AAAA RR. See RFC 3596. +type AAAA struct { + Hdr RR_Header + AAAA net.IP `dns:"aaaa"` +} + +func (rr *AAAA) String() string { + if rr.AAAA == nil { + return rr.Hdr.String() + } + return rr.Hdr.String() + rr.AAAA.String() +} + +// PX RR. See RFC 2163. +type PX struct { + Hdr RR_Header + Preference uint16 + Map822 string `dns:"domain-name"` + Mapx400 string `dns:"domain-name"` +} + +func (rr *PX) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + sprintName(rr.Map822) + " " + sprintName(rr.Mapx400) +} + +// GPOS RR. See RFC 1712. +type GPOS struct { + Hdr RR_Header + Longitude string + Latitude string + Altitude string +} + +func (rr *GPOS) String() string { + return rr.Hdr.String() + rr.Longitude + " " + rr.Latitude + " " + rr.Altitude +} + +// LOC RR. See RFC RFC 1876. +type LOC struct { + Hdr RR_Header + Version uint8 + Size uint8 + HorizPre uint8 + VertPre uint8 + Latitude uint32 + Longitude uint32 + Altitude uint32 +} + +// cmToM takes a cm value expressed in RFC 1876 SIZE mantissa/exponent +// format and returns a string in m (two decimals for the cm). +func cmToM(m, e uint8) string { + if e < 2 { + if e == 1 { + m *= 10 + } + + return fmt.Sprintf("0.%02d", m) + } + + s := fmt.Sprintf("%d", m) + for e > 2 { + s += "0" + e-- + } + return s +} + +func (rr *LOC) String() string { + s := rr.Hdr.String() + + lat := rr.Latitude + ns := "N" + if lat > LOC_EQUATOR { + lat = lat - LOC_EQUATOR + } else { + ns = "S" + lat = LOC_EQUATOR - lat + } + h := lat / LOC_DEGREES + lat = lat % LOC_DEGREES + m := lat / LOC_HOURS + lat = lat % LOC_HOURS + s += fmt.Sprintf("%02d %02d %0.3f %s ", h, m, float64(lat)/1000, ns) + + lon := rr.Longitude + ew := "E" + if lon > LOC_PRIMEMERIDIAN { + lon = lon - LOC_PRIMEMERIDIAN + } else { + ew = "W" + lon = LOC_PRIMEMERIDIAN - lon + } + h = lon / LOC_DEGREES + lon = lon % LOC_DEGREES + m = lon / LOC_HOURS + lon = lon % LOC_HOURS + s += fmt.Sprintf("%02d %02d %0.3f %s ", h, m, float64(lon)/1000, ew) + + var alt = float64(rr.Altitude) / 100 + alt -= LOC_ALTITUDEBASE + if rr.Altitude%100 != 0 { + s += fmt.Sprintf("%.2fm ", alt) + } else { + s += fmt.Sprintf("%.0fm ", alt) + } + + s += cmToM(rr.Size&0xf0>>4, rr.Size&0x0f) + "m " + s += cmToM(rr.HorizPre&0xf0>>4, rr.HorizPre&0x0f) + "m " + s += cmToM(rr.VertPre&0xf0>>4, rr.VertPre&0x0f) + "m" + + return s +} + +// SIG RR. See RFC 2535. The SIG RR is identical to RRSIG and nowadays only used for SIG(0), See RFC 2931. +type SIG struct { + RRSIG +} + +// RRSIG RR. See RFC 4034 and RFC 3755. +type RRSIG struct { + Hdr RR_Header + TypeCovered uint16 + Algorithm uint8 + Labels uint8 + OrigTtl uint32 + Expiration uint32 + Inception uint32 + KeyTag uint16 + SignerName string `dns:"domain-name"` + Signature string `dns:"base64"` +} + +func (rr *RRSIG) String() string { + s := rr.Hdr.String() + s += Type(rr.TypeCovered).String() + s += " " + strconv.Itoa(int(rr.Algorithm)) + + " " + strconv.Itoa(int(rr.Labels)) + + " " + strconv.FormatInt(int64(rr.OrigTtl), 10) + + " " + TimeToString(rr.Expiration) + + " " + TimeToString(rr.Inception) + + " " + strconv.Itoa(int(rr.KeyTag)) + + " " + sprintName(rr.SignerName) + + " " + rr.Signature + return s +} + +// NSEC RR. See RFC 4034 and RFC 3755. +type NSEC struct { + Hdr RR_Header + NextDomain string `dns:"domain-name"` + TypeBitMap []uint16 `dns:"nsec"` +} + +func (rr *NSEC) String() string { + s := rr.Hdr.String() + sprintName(rr.NextDomain) + for _, t := range rr.TypeBitMap { + s += " " + Type(t).String() + } + return s +} + +func (rr *NSEC) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.NextDomain, off+l, compression, false) + l += typeBitMapLen(rr.TypeBitMap) + return l +} + +// DLV RR. See RFC 4431. +type DLV struct{ DS } + +// CDS RR. See RFC 7344. +type CDS struct{ DS } + +// DS RR. See RFC 4034 and RFC 3658. +type DS struct { + Hdr RR_Header + KeyTag uint16 + Algorithm uint8 + DigestType uint8 + Digest string `dns:"hex"` +} + +func (rr *DS) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.KeyTag)) + + " " + strconv.Itoa(int(rr.Algorithm)) + + " " + strconv.Itoa(int(rr.DigestType)) + + " " + strings.ToUpper(rr.Digest) +} + +// KX RR. See RFC 2230. +type KX struct { + Hdr RR_Header + Preference uint16 + Exchanger string `dns:"domain-name"` +} + +func (rr *KX) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + + " " + sprintName(rr.Exchanger) +} + +// TA RR. See http://www.watson.org/~weiler/INI1999-19.pdf. +type TA struct { + Hdr RR_Header + KeyTag uint16 + Algorithm uint8 + DigestType uint8 + Digest string `dns:"hex"` +} + +func (rr *TA) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.KeyTag)) + + " " + strconv.Itoa(int(rr.Algorithm)) + + " " + strconv.Itoa(int(rr.DigestType)) + + " " + strings.ToUpper(rr.Digest) +} + +// TALINK RR. See https://www.iana.org/assignments/dns-parameters/TALINK/talink-completed-template. +type TALINK struct { + Hdr RR_Header + PreviousName string `dns:"domain-name"` + NextName string `dns:"domain-name"` +} + +func (rr *TALINK) String() string { + return rr.Hdr.String() + + sprintName(rr.PreviousName) + " " + sprintName(rr.NextName) +} + +// SSHFP RR. See RFC RFC 4255. +type SSHFP struct { + Hdr RR_Header + Algorithm uint8 + Type uint8 + FingerPrint string `dns:"hex"` +} + +func (rr *SSHFP) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Algorithm)) + + " " + strconv.Itoa(int(rr.Type)) + + " " + strings.ToUpper(rr.FingerPrint) +} + +// KEY RR. See RFC RFC 2535. +type KEY struct { + DNSKEY +} + +// CDNSKEY RR. See RFC 7344. +type CDNSKEY struct { + DNSKEY +} + +// DNSKEY RR. See RFC 4034 and RFC 3755. +type DNSKEY struct { + Hdr RR_Header + Flags uint16 + Protocol uint8 + Algorithm uint8 + PublicKey string `dns:"base64"` +} + +func (rr *DNSKEY) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Flags)) + + " " + strconv.Itoa(int(rr.Protocol)) + + " " + strconv.Itoa(int(rr.Algorithm)) + + " " + rr.PublicKey +} + +// RKEY RR. See https://www.iana.org/assignments/dns-parameters/RKEY/rkey-completed-template. +type RKEY struct { + Hdr RR_Header + Flags uint16 + Protocol uint8 + Algorithm uint8 + PublicKey string `dns:"base64"` +} + +func (rr *RKEY) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Flags)) + + " " + strconv.Itoa(int(rr.Protocol)) + + " " + strconv.Itoa(int(rr.Algorithm)) + + " " + rr.PublicKey +} + +// NSAPPTR RR. See RFC 1348. +type NSAPPTR struct { + Hdr RR_Header + Ptr string `dns:"domain-name"` +} + +func (rr *NSAPPTR) String() string { return rr.Hdr.String() + sprintName(rr.Ptr) } + +// NSEC3 RR. See RFC 5155. +type NSEC3 struct { + Hdr RR_Header + Hash uint8 + Flags uint8 + Iterations uint16 + SaltLength uint8 + Salt string `dns:"size-hex:SaltLength"` + HashLength uint8 + NextDomain string `dns:"size-base32:HashLength"` + TypeBitMap []uint16 `dns:"nsec"` +} + +func (rr *NSEC3) String() string { + s := rr.Hdr.String() + s += strconv.Itoa(int(rr.Hash)) + + " " + strconv.Itoa(int(rr.Flags)) + + " " + strconv.Itoa(int(rr.Iterations)) + + " " + saltToString(rr.Salt) + + " " + rr.NextDomain + for _, t := range rr.TypeBitMap { + s += " " + Type(t).String() + } + return s +} + +func (rr *NSEC3) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 6 + len(rr.Salt)/2 + 1 + len(rr.NextDomain) + 1 + l += typeBitMapLen(rr.TypeBitMap) + return l +} + +// NSEC3PARAM RR. See RFC 5155. +type NSEC3PARAM struct { + Hdr RR_Header + Hash uint8 + Flags uint8 + Iterations uint16 + SaltLength uint8 + Salt string `dns:"size-hex:SaltLength"` +} + +func (rr *NSEC3PARAM) String() string { + s := rr.Hdr.String() + s += strconv.Itoa(int(rr.Hash)) + + " " + strconv.Itoa(int(rr.Flags)) + + " " + strconv.Itoa(int(rr.Iterations)) + + " " + saltToString(rr.Salt) + return s +} + +// TKEY RR. See RFC 2930. +type TKEY struct { + Hdr RR_Header + Algorithm string `dns:"domain-name"` + Inception uint32 + Expiration uint32 + Mode uint16 + Error uint16 + KeySize uint16 + Key string `dns:"size-hex:KeySize"` + OtherLen uint16 + OtherData string `dns:"size-hex:OtherLen"` +} + +// TKEY has no official presentation format, but this will suffice. +func (rr *TKEY) String() string { + s := ";" + rr.Hdr.String() + + " " + rr.Algorithm + + " " + TimeToString(rr.Inception) + + " " + TimeToString(rr.Expiration) + + " " + strconv.Itoa(int(rr.Mode)) + + " " + strconv.Itoa(int(rr.Error)) + + " " + strconv.Itoa(int(rr.KeySize)) + + " " + rr.Key + + " " + strconv.Itoa(int(rr.OtherLen)) + + " " + rr.OtherData + return s +} + +// RFC3597 represents an unknown/generic RR. See RFC 3597. +type RFC3597 struct { + Hdr RR_Header + Rdata string `dns:"hex"` +} + +func (rr *RFC3597) String() string { + // Let's call it a hack + s := rfc3597Header(rr.Hdr) + + s += "\\# " + strconv.Itoa(len(rr.Rdata)/2) + " " + rr.Rdata + return s +} + +func rfc3597Header(h RR_Header) string { + var s string + + s += sprintName(h.Name) + "\t" + s += strconv.FormatInt(int64(h.Ttl), 10) + "\t" + s += "CLASS" + strconv.Itoa(int(h.Class)) + "\t" + s += "TYPE" + strconv.Itoa(int(h.Rrtype)) + "\t" + return s +} + +// URI RR. See RFC 7553. +type URI struct { + Hdr RR_Header + Priority uint16 + Weight uint16 + Target string `dns:"octet"` +} + +// rr.Target to be parsed as a sequence of character encoded octets according to RFC 3986 +func (rr *URI) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Priority)) + + " " + strconv.Itoa(int(rr.Weight)) + " " + sprintTxtOctet(rr.Target) +} + +// DHCID RR. See RFC 4701. +type DHCID struct { + Hdr RR_Header + Digest string `dns:"base64"` +} + +func (rr *DHCID) String() string { return rr.Hdr.String() + rr.Digest } + +// TLSA RR. See RFC 6698. +type TLSA struct { + Hdr RR_Header + Usage uint8 + Selector uint8 + MatchingType uint8 + Certificate string `dns:"hex"` +} + +func (rr *TLSA) String() string { + return rr.Hdr.String() + + strconv.Itoa(int(rr.Usage)) + + " " + strconv.Itoa(int(rr.Selector)) + + " " + strconv.Itoa(int(rr.MatchingType)) + + " " + rr.Certificate +} + +// SMIMEA RR. See RFC 8162. +type SMIMEA struct { + Hdr RR_Header + Usage uint8 + Selector uint8 + MatchingType uint8 + Certificate string `dns:"hex"` +} + +func (rr *SMIMEA) String() string { + s := rr.Hdr.String() + + strconv.Itoa(int(rr.Usage)) + + " " + strconv.Itoa(int(rr.Selector)) + + " " + strconv.Itoa(int(rr.MatchingType)) + + // Every Nth char needs a space on this output. If we output + // this as one giant line, we can't read it can in because in some cases + // the cert length overflows scan.maxTok (2048). + sx := splitN(rr.Certificate, 1024) // conservative value here + s += " " + strings.Join(sx, " ") + return s +} + +// HIP RR. See RFC 8005. +type HIP struct { + Hdr RR_Header + HitLength uint8 + PublicKeyAlgorithm uint8 + PublicKeyLength uint16 + Hit string `dns:"size-hex:HitLength"` + PublicKey string `dns:"size-base64:PublicKeyLength"` + RendezvousServers []string `dns:"domain-name"` +} + +func (rr *HIP) String() string { + s := rr.Hdr.String() + + strconv.Itoa(int(rr.PublicKeyAlgorithm)) + + " " + rr.Hit + + " " + rr.PublicKey + for _, d := range rr.RendezvousServers { + s += " " + sprintName(d) + } + return s +} + +// NINFO RR. See https://www.iana.org/assignments/dns-parameters/NINFO/ninfo-completed-template. +type NINFO struct { + Hdr RR_Header + ZSData []string `dns:"txt"` +} + +func (rr *NINFO) String() string { return rr.Hdr.String() + sprintTxt(rr.ZSData) } + +// NID RR. See RFC RFC 6742. +type NID struct { + Hdr RR_Header + Preference uint16 + NodeID uint64 +} + +func (rr *NID) String() string { + s := rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + node := fmt.Sprintf("%0.16x", rr.NodeID) + s += " " + node[0:4] + ":" + node[4:8] + ":" + node[8:12] + ":" + node[12:16] + return s +} + +// L32 RR, See RFC 6742. +type L32 struct { + Hdr RR_Header + Preference uint16 + Locator32 net.IP `dns:"a"` +} + +func (rr *L32) String() string { + if rr.Locator32 == nil { + return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + } + return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + + " " + rr.Locator32.String() +} + +// L64 RR, See RFC 6742. +type L64 struct { + Hdr RR_Header + Preference uint16 + Locator64 uint64 +} + +func (rr *L64) String() string { + s := rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + node := fmt.Sprintf("%0.16X", rr.Locator64) + s += " " + node[0:4] + ":" + node[4:8] + ":" + node[8:12] + ":" + node[12:16] + return s +} + +// LP RR. See RFC 6742. +type LP struct { + Hdr RR_Header + Preference uint16 + Fqdn string `dns:"domain-name"` +} + +func (rr *LP) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Preference)) + " " + sprintName(rr.Fqdn) +} + +// EUI48 RR. See RFC 7043. +type EUI48 struct { + Hdr RR_Header + Address uint64 `dns:"uint48"` +} + +func (rr *EUI48) String() string { return rr.Hdr.String() + euiToString(rr.Address, 48) } + +// EUI64 RR. See RFC 7043. +type EUI64 struct { + Hdr RR_Header + Address uint64 +} + +func (rr *EUI64) String() string { return rr.Hdr.String() + euiToString(rr.Address, 64) } + +// CAA RR. See RFC 6844. +type CAA struct { + Hdr RR_Header + Flag uint8 + Tag string + Value string `dns:"octet"` +} + +// rr.Value Is the character-string encoding of the value field as specified in RFC 1035, Section 5.1. +func (rr *CAA) String() string { + return rr.Hdr.String() + strconv.Itoa(int(rr.Flag)) + " " + rr.Tag + " " + sprintTxtOctet(rr.Value) +} + +// UID RR. Deprecated, IANA-Reserved. +type UID struct { + Hdr RR_Header + Uid uint32 +} + +func (rr *UID) String() string { return rr.Hdr.String() + strconv.FormatInt(int64(rr.Uid), 10) } + +// GID RR. Deprecated, IANA-Reserved. +type GID struct { + Hdr RR_Header + Gid uint32 +} + +func (rr *GID) String() string { return rr.Hdr.String() + strconv.FormatInt(int64(rr.Gid), 10) } + +// UINFO RR. Deprecated, IANA-Reserved. +type UINFO struct { + Hdr RR_Header + Uinfo string +} + +func (rr *UINFO) String() string { return rr.Hdr.String() + sprintTxt([]string{rr.Uinfo}) } + +// EID RR. See http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt. +type EID struct { + Hdr RR_Header + Endpoint string `dns:"hex"` +} + +func (rr *EID) String() string { return rr.Hdr.String() + strings.ToUpper(rr.Endpoint) } + +// NIMLOC RR. See http://ana-3.lcs.mit.edu/~jnc/nimrod/dns.txt. +type NIMLOC struct { + Hdr RR_Header + Locator string `dns:"hex"` +} + +func (rr *NIMLOC) String() string { return rr.Hdr.String() + strings.ToUpper(rr.Locator) } + +// OPENPGPKEY RR. See RFC 7929. +type OPENPGPKEY struct { + Hdr RR_Header + PublicKey string `dns:"base64"` +} + +func (rr *OPENPGPKEY) String() string { return rr.Hdr.String() + rr.PublicKey } + +// CSYNC RR. See RFC 7477. +type CSYNC struct { + Hdr RR_Header + Serial uint32 + Flags uint16 + TypeBitMap []uint16 `dns:"nsec"` +} + +func (rr *CSYNC) String() string { + s := rr.Hdr.String() + strconv.FormatInt(int64(rr.Serial), 10) + " " + strconv.Itoa(int(rr.Flags)) + + for _, t := range rr.TypeBitMap { + s += " " + Type(t).String() + } + return s +} + +func (rr *CSYNC) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 4 + 2 + l += typeBitMapLen(rr.TypeBitMap) + return l +} + +// ZONEMD RR, from draft-ietf-dnsop-dns-zone-digest +type ZONEMD struct { + Hdr RR_Header + Serial uint32 + Scheme uint8 + Hash uint8 + Digest string `dns:"hex"` +} + +func (rr *ZONEMD) String() string { + return rr.Hdr.String() + + strconv.Itoa(int(rr.Serial)) + + " " + strconv.Itoa(int(rr.Scheme)) + + " " + strconv.Itoa(int(rr.Hash)) + + " " + rr.Digest +} + +// APL RR. See RFC 3123. +type APL struct { + Hdr RR_Header + Prefixes []APLPrefix `dns:"apl"` +} + +// APLPrefix is an address prefix hold by an APL record. +type APLPrefix struct { + Negation bool + Network net.IPNet +} + +// String returns presentation form of the APL record. +func (rr *APL) String() string { + var sb strings.Builder + sb.WriteString(rr.Hdr.String()) + for i, p := range rr.Prefixes { + if i > 0 { + sb.WriteByte(' ') + } + sb.WriteString(p.str()) + } + return sb.String() +} + +// str returns presentation form of the APL prefix. +func (a *APLPrefix) str() string { + var sb strings.Builder + if a.Negation { + sb.WriteByte('!') + } + + switch len(a.Network.IP) { + case net.IPv4len: + sb.WriteByte('1') + case net.IPv6len: + sb.WriteByte('2') + } + + sb.WriteByte(':') + + switch len(a.Network.IP) { + case net.IPv4len: + sb.WriteString(a.Network.IP.String()) + case net.IPv6len: + // add prefix for IPv4-mapped IPv6 + if v4 := a.Network.IP.To4(); v4 != nil { + sb.WriteString("::ffff:") + } + sb.WriteString(a.Network.IP.String()) + } + + sb.WriteByte('/') + + prefix, _ := a.Network.Mask.Size() + sb.WriteString(strconv.Itoa(prefix)) + + return sb.String() +} + +// equals reports whether two APL prefixes are identical. +func (a *APLPrefix) equals(b *APLPrefix) bool { + return a.Negation == b.Negation && + bytes.Equal(a.Network.IP, b.Network.IP) && + bytes.Equal(a.Network.Mask, b.Network.Mask) +} + +// copy returns a copy of the APL prefix. +func (a *APLPrefix) copy() APLPrefix { + return APLPrefix{ + Negation: a.Negation, + Network: copyNet(a.Network), + } +} + +// len returns size of the prefix in wire format. +func (a *APLPrefix) len() int { + // 4-byte header and the network address prefix (see Section 4 of RFC 3123) + prefix, _ := a.Network.Mask.Size() + return 4 + (prefix+7)/8 +} + +// TimeToString translates the RRSIG's incep. and expir. times to the +// string representation used when printing the record. +// It takes serial arithmetic (RFC 1982) into account. +func TimeToString(t uint32) string { + mod := (int64(t)-time.Now().Unix())/year68 - 1 + if mod < 0 { + mod = 0 + } + ti := time.Unix(int64(t)-mod*year68, 0).UTC() + return ti.Format("20060102150405") +} + +// StringToTime translates the RRSIG's incep. and expir. times from +// string values like "20110403154150" to an 32 bit integer. +// It takes serial arithmetic (RFC 1982) into account. +func StringToTime(s string) (uint32, error) { + t, err := time.Parse("20060102150405", s) + if err != nil { + return 0, err + } + mod := t.Unix()/year68 - 1 + if mod < 0 { + mod = 0 + } + return uint32(t.Unix() - mod*year68), nil +} + +// saltToString converts a NSECX salt to uppercase and returns "-" when it is empty. +func saltToString(s string) string { + if s == "" { + return "-" + } + return strings.ToUpper(s) +} + +func euiToString(eui uint64, bits int) (hex string) { + switch bits { + case 64: + hex = fmt.Sprintf("%16.16x", eui) + hex = hex[0:2] + "-" + hex[2:4] + "-" + hex[4:6] + "-" + hex[6:8] + + "-" + hex[8:10] + "-" + hex[10:12] + "-" + hex[12:14] + "-" + hex[14:16] + case 48: + hex = fmt.Sprintf("%12.12x", eui) + hex = hex[0:2] + "-" + hex[2:4] + "-" + hex[4:6] + "-" + hex[6:8] + + "-" + hex[8:10] + "-" + hex[10:12] + } + return +} + +// copyIP returns a copy of ip. +func copyIP(ip net.IP) net.IP { + p := make(net.IP, len(ip)) + copy(p, ip) + return p +} + +// copyNet returns a copy of a subnet. +func copyNet(n net.IPNet) net.IPNet { + m := make(net.IPMask, len(n.Mask)) + copy(m, n.Mask) + + return net.IPNet{ + IP: copyIP(n.IP), + Mask: m, + } +} + +// SplitN splits a string into N sized string chunks. +// This might become an exported function once. +func splitN(s string, n int) []string { + if len(s) < n { + return []string{s} + } + sx := []string{} + p, i := 0, n + for { + if i <= len(s) { + sx = append(sx, s[p:i]) + } else { + sx = append(sx, s[p:]) + break + + } + p, i = p+n, i+n + } + + return sx +} diff --git a/vendor/github.com/miekg/dns/udp.go b/vendor/github.com/miekg/dns/udp.go new file mode 100644 index 000000000..a4826ee2f --- /dev/null +++ b/vendor/github.com/miekg/dns/udp.go @@ -0,0 +1,102 @@ +// +build !windows + +package dns + +import ( + "net" + + "golang.org/x/net/ipv4" + "golang.org/x/net/ipv6" +) + +// This is the required size of the OOB buffer to pass to ReadMsgUDP. +var udpOOBSize = func() int { + // We can't know whether we'll get an IPv4 control message or an + // IPv6 control message ahead of time. To get around this, we size + // the buffer equal to the largest of the two. + + oob4 := ipv4.NewControlMessage(ipv4.FlagDst | ipv4.FlagInterface) + oob6 := ipv6.NewControlMessage(ipv6.FlagDst | ipv6.FlagInterface) + + if len(oob4) > len(oob6) { + return len(oob4) + } + + return len(oob6) +}() + +// SessionUDP holds the remote address and the associated +// out-of-band data. +type SessionUDP struct { + raddr *net.UDPAddr + context []byte +} + +// RemoteAddr returns the remote network address. +func (s *SessionUDP) RemoteAddr() net.Addr { return s.raddr } + +// ReadFromSessionUDP acts just like net.UDPConn.ReadFrom(), but returns a session object instead of a +// net.UDPAddr. +func ReadFromSessionUDP(conn *net.UDPConn, b []byte) (int, *SessionUDP, error) { + oob := make([]byte, udpOOBSize) + n, oobn, _, raddr, err := conn.ReadMsgUDP(b, oob) + if err != nil { + return n, nil, err + } + return n, &SessionUDP{raddr, oob[:oobn]}, err +} + +// WriteToSessionUDP acts just like net.UDPConn.WriteTo(), but uses a *SessionUDP instead of a net.Addr. +func WriteToSessionUDP(conn *net.UDPConn, b []byte, session *SessionUDP) (int, error) { + oob := correctSource(session.context) + n, _, err := conn.WriteMsgUDP(b, oob, session.raddr) + return n, err +} + +func setUDPSocketOptions(conn *net.UDPConn) error { + // Try setting the flags for both families and ignore the errors unless they + // both error. + err6 := ipv6.NewPacketConn(conn).SetControlMessage(ipv6.FlagDst|ipv6.FlagInterface, true) + err4 := ipv4.NewPacketConn(conn).SetControlMessage(ipv4.FlagDst|ipv4.FlagInterface, true) + if err6 != nil && err4 != nil { + return err4 + } + return nil +} + +// parseDstFromOOB takes oob data and returns the destination IP. +func parseDstFromOOB(oob []byte) net.IP { + // Start with IPv6 and then fallback to IPv4 + // TODO(fastest963): Figure out a way to prefer one or the other. Looking at + // the lvl of the header for a 0 or 41 isn't cross-platform. + cm6 := new(ipv6.ControlMessage) + if cm6.Parse(oob) == nil && cm6.Dst != nil { + return cm6.Dst + } + cm4 := new(ipv4.ControlMessage) + if cm4.Parse(oob) == nil && cm4.Dst != nil { + return cm4.Dst + } + return nil +} + +// correctSource takes oob data and returns new oob data with the Src equal to the Dst +func correctSource(oob []byte) []byte { + dst := parseDstFromOOB(oob) + if dst == nil { + return nil + } + // If the dst is definitely an IPv6, then use ipv6's ControlMessage to + // respond otherwise use ipv4's because ipv6's marshal ignores ipv4 + // addresses. + if dst.To4() == nil { + cm := new(ipv6.ControlMessage) + cm.Src = dst + oob = cm.Marshal() + } else { + cm := new(ipv4.ControlMessage) + cm.Src = dst + oob = cm.Marshal() + } + return oob +} diff --git a/vendor/github.com/miekg/dns/udp_windows.go b/vendor/github.com/miekg/dns/udp_windows.go new file mode 100644 index 000000000..e7dd8ca31 --- /dev/null +++ b/vendor/github.com/miekg/dns/udp_windows.go @@ -0,0 +1,35 @@ +// +build windows + +package dns + +import "net" + +// SessionUDP holds the remote address +type SessionUDP struct { + raddr *net.UDPAddr +} + +// RemoteAddr returns the remote network address. +func (s *SessionUDP) RemoteAddr() net.Addr { return s.raddr } + +// ReadFromSessionUDP acts just like net.UDPConn.ReadFrom(), but returns a session object instead of a +// net.UDPAddr. +// TODO(fastest963): Once go1.10 is released, use ReadMsgUDP. +func ReadFromSessionUDP(conn *net.UDPConn, b []byte) (int, *SessionUDP, error) { + n, raddr, err := conn.ReadFrom(b) + if err != nil { + return n, nil, err + } + return n, &SessionUDP{raddr.(*net.UDPAddr)}, err +} + +// WriteToSessionUDP acts just like net.UDPConn.WriteTo(), but uses a *SessionUDP instead of a net.Addr. +// TODO(fastest963): Once go1.10 is released, use WriteMsgUDP. +func WriteToSessionUDP(conn *net.UDPConn, b []byte, session *SessionUDP) (int, error) { + return conn.WriteTo(b, session.raddr) +} + +// TODO(fastest963): Once go1.10 is released and we can use *MsgUDP methods +// use the standard method in udp.go for these. +func setUDPSocketOptions(*net.UDPConn) error { return nil } +func parseDstFromOOB([]byte, net.IP) net.IP { return nil } diff --git a/vendor/github.com/miekg/dns/update.go b/vendor/github.com/miekg/dns/update.go new file mode 100644 index 000000000..16f9ee85a --- /dev/null +++ b/vendor/github.com/miekg/dns/update.go @@ -0,0 +1,112 @@ +package dns + +// NameUsed sets the RRs in the prereq section to +// "Name is in use" RRs. RFC 2136 section 2.4.4. +func (u *Msg) NameUsed(rr []RR) { + if u.Answer == nil { + u.Answer = make([]RR, 0, len(rr)) + } + for _, r := range rr { + u.Answer = append(u.Answer, &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}) + } +} + +// NameNotUsed sets the RRs in the prereq section to +// "Name is in not use" RRs. RFC 2136 section 2.4.5. +func (u *Msg) NameNotUsed(rr []RR) { + if u.Answer == nil { + u.Answer = make([]RR, 0, len(rr)) + } + for _, r := range rr { + u.Answer = append(u.Answer, &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassNONE}}) + } +} + +// Used sets the RRs in the prereq section to +// "RRset exists (value dependent -- with rdata)" RRs. RFC 2136 section 2.4.2. +func (u *Msg) Used(rr []RR) { + if len(u.Question) == 0 { + panic("dns: empty question section") + } + if u.Answer == nil { + u.Answer = make([]RR, 0, len(rr)) + } + for _, r := range rr { + hdr := r.Header() + hdr.Class = u.Question[0].Qclass + hdr.Ttl = 0 + u.Answer = append(u.Answer, r) + } +} + +// RRsetUsed sets the RRs in the prereq section to +// "RRset exists (value independent -- no rdata)" RRs. RFC 2136 section 2.4.1. +func (u *Msg) RRsetUsed(rr []RR) { + if u.Answer == nil { + u.Answer = make([]RR, 0, len(rr)) + } + for _, r := range rr { + h := r.Header() + u.Answer = append(u.Answer, &ANY{Hdr: RR_Header{Name: h.Name, Ttl: 0, Rrtype: h.Rrtype, Class: ClassANY}}) + } +} + +// RRsetNotUsed sets the RRs in the prereq section to +// "RRset does not exist" RRs. RFC 2136 section 2.4.3. +func (u *Msg) RRsetNotUsed(rr []RR) { + if u.Answer == nil { + u.Answer = make([]RR, 0, len(rr)) + } + for _, r := range rr { + h := r.Header() + u.Answer = append(u.Answer, &ANY{Hdr: RR_Header{Name: h.Name, Ttl: 0, Rrtype: h.Rrtype, Class: ClassNONE}}) + } +} + +// Insert creates a dynamic update packet that adds an complete RRset, see RFC 2136 section 2.5.1. +func (u *Msg) Insert(rr []RR) { + if len(u.Question) == 0 { + panic("dns: empty question section") + } + if u.Ns == nil { + u.Ns = make([]RR, 0, len(rr)) + } + for _, r := range rr { + r.Header().Class = u.Question[0].Qclass + u.Ns = append(u.Ns, r) + } +} + +// RemoveRRset creates a dynamic update packet that deletes an RRset, see RFC 2136 section 2.5.2. +func (u *Msg) RemoveRRset(rr []RR) { + if u.Ns == nil { + u.Ns = make([]RR, 0, len(rr)) + } + for _, r := range rr { + h := r.Header() + u.Ns = append(u.Ns, &ANY{Hdr: RR_Header{Name: h.Name, Ttl: 0, Rrtype: h.Rrtype, Class: ClassANY}}) + } +} + +// RemoveName creates a dynamic update packet that deletes all RRsets of a name, see RFC 2136 section 2.5.3 +func (u *Msg) RemoveName(rr []RR) { + if u.Ns == nil { + u.Ns = make([]RR, 0, len(rr)) + } + for _, r := range rr { + u.Ns = append(u.Ns, &ANY{Hdr: RR_Header{Name: r.Header().Name, Ttl: 0, Rrtype: TypeANY, Class: ClassANY}}) + } +} + +// Remove creates a dynamic update packet deletes RR from a RRSset, see RFC 2136 section 2.5.4 +func (u *Msg) Remove(rr []RR) { + if u.Ns == nil { + u.Ns = make([]RR, 0, len(rr)) + } + for _, r := range rr { + h := r.Header() + h.Class = ClassNONE + h.Ttl = 0 + u.Ns = append(u.Ns, r) + } +} diff --git a/vendor/github.com/miekg/dns/version.go b/vendor/github.com/miekg/dns/version.go new file mode 100644 index 000000000..971a27199 --- /dev/null +++ b/vendor/github.com/miekg/dns/version.go @@ -0,0 +1,15 @@ +package dns + +import "fmt" + +// Version is current version of this library. +var Version = v{1, 1, 49} + +// v holds the version of this library. +type v struct { + Major, Minor, Patch int +} + +func (v v) String() string { + return fmt.Sprintf("%d.%d.%d", v.Major, v.Minor, v.Patch) +} diff --git a/vendor/github.com/miekg/dns/xfr.go b/vendor/github.com/miekg/dns/xfr.go new file mode 100644 index 000000000..f0dcf61d4 --- /dev/null +++ b/vendor/github.com/miekg/dns/xfr.go @@ -0,0 +1,271 @@ +package dns + +import ( + "fmt" + "time" +) + +// Envelope is used when doing a zone transfer with a remote server. +type Envelope struct { + RR []RR // The set of RRs in the answer section of the xfr reply message. + Error error // If something went wrong, this contains the error. +} + +// A Transfer defines parameters that are used during a zone transfer. +type Transfer struct { + *Conn + DialTimeout time.Duration // net.DialTimeout, defaults to 2 seconds + ReadTimeout time.Duration // net.Conn.SetReadTimeout value for connections, defaults to 2 seconds + WriteTimeout time.Duration // net.Conn.SetWriteTimeout value for connections, defaults to 2 seconds + TsigProvider TsigProvider // An implementation of the TsigProvider interface. If defined it replaces TsigSecret and is used for all TSIG operations. + TsigSecret map[string]string // Secret(s) for Tsig map[], zonename must be in canonical form (lowercase, fqdn, see RFC 4034 Section 6.2) + tsigTimersOnly bool +} + +func (t *Transfer) tsigProvider() TsigProvider { + if t.TsigProvider != nil { + return t.TsigProvider + } + if t.TsigSecret != nil { + return tsigSecretProvider(t.TsigSecret) + } + return nil +} + +// TODO: Think we need to away to stop the transfer + +// In performs an incoming transfer with the server in a. +// If you would like to set the source IP, or some other attribute +// of a Dialer for a Transfer, you can do so by specifying the attributes +// in the Transfer.Conn: +// +// d := net.Dialer{LocalAddr: transfer_source} +// con, err := d.Dial("tcp", master) +// dnscon := &dns.Conn{Conn:con} +// transfer = &dns.Transfer{Conn: dnscon} +// channel, err := transfer.In(message, master) +// +func (t *Transfer) In(q *Msg, a string) (env chan *Envelope, err error) { + switch q.Question[0].Qtype { + case TypeAXFR, TypeIXFR: + default: + return nil, &Error{"unsupported question type"} + } + + timeout := dnsTimeout + if t.DialTimeout != 0 { + timeout = t.DialTimeout + } + + if t.Conn == nil { + t.Conn, err = DialTimeout("tcp", a, timeout) + if err != nil { + return nil, err + } + } + + if err := t.WriteMsg(q); err != nil { + return nil, err + } + + env = make(chan *Envelope) + switch q.Question[0].Qtype { + case TypeAXFR: + go t.inAxfr(q, env) + case TypeIXFR: + go t.inIxfr(q, env) + } + + return env, nil +} + +func (t *Transfer) inAxfr(q *Msg, c chan *Envelope) { + first := true + defer t.Close() + defer close(c) + timeout := dnsTimeout + if t.ReadTimeout != 0 { + timeout = t.ReadTimeout + } + for { + t.Conn.SetReadDeadline(time.Now().Add(timeout)) + in, err := t.ReadMsg() + if err != nil { + c <- &Envelope{nil, err} + return + } + if q.Id != in.Id { + c <- &Envelope{in.Answer, ErrId} + return + } + if first { + if in.Rcode != RcodeSuccess { + c <- &Envelope{in.Answer, &Error{err: fmt.Sprintf(errXFR, in.Rcode)}} + return + } + if !isSOAFirst(in) { + c <- &Envelope{in.Answer, ErrSoa} + return + } + first = !first + // only one answer that is SOA, receive more + if len(in.Answer) == 1 { + t.tsigTimersOnly = true + c <- &Envelope{in.Answer, nil} + continue + } + } + + if !first { + t.tsigTimersOnly = true // Subsequent envelopes use this. + if isSOALast(in) { + c <- &Envelope{in.Answer, nil} + return + } + c <- &Envelope{in.Answer, nil} + } + } +} + +func (t *Transfer) inIxfr(q *Msg, c chan *Envelope) { + var serial uint32 // The first serial seen is the current server serial + axfr := true + n := 0 + qser := q.Ns[0].(*SOA).Serial + defer t.Close() + defer close(c) + timeout := dnsTimeout + if t.ReadTimeout != 0 { + timeout = t.ReadTimeout + } + for { + t.SetReadDeadline(time.Now().Add(timeout)) + in, err := t.ReadMsg() + if err != nil { + c <- &Envelope{nil, err} + return + } + if q.Id != in.Id { + c <- &Envelope{in.Answer, ErrId} + return + } + if in.Rcode != RcodeSuccess { + c <- &Envelope{in.Answer, &Error{err: fmt.Sprintf(errXFR, in.Rcode)}} + return + } + if n == 0 { + // Check if the returned answer is ok + if !isSOAFirst(in) { + c <- &Envelope{in.Answer, ErrSoa} + return + } + // This serial is important + serial = in.Answer[0].(*SOA).Serial + // Check if there are no changes in zone + if qser >= serial { + c <- &Envelope{in.Answer, nil} + return + } + } + // Now we need to check each message for SOA records, to see what we need to do + t.tsigTimersOnly = true + for _, rr := range in.Answer { + if v, ok := rr.(*SOA); ok { + if v.Serial == serial { + n++ + // quit if it's a full axfr or the the servers' SOA is repeated the third time + if axfr && n == 2 || n == 3 { + c <- &Envelope{in.Answer, nil} + return + } + } else if axfr { + // it's an ixfr + axfr = false + } + } + } + c <- &Envelope{in.Answer, nil} + } +} + +// Out performs an outgoing transfer with the client connecting in w. +// Basic use pattern: +// +// ch := make(chan *dns.Envelope) +// tr := new(dns.Transfer) +// var wg sync.WaitGroup +// go func() { +// tr.Out(w, r, ch) +// wg.Done() +// }() +// ch <- &dns.Envelope{RR: []dns.RR{soa, rr1, rr2, rr3, soa}} +// close(ch) +// wg.Wait() // wait until everything is written out +// w.Close() // close connection +// +// The server is responsible for sending the correct sequence of RRs through the channel ch. +func (t *Transfer) Out(w ResponseWriter, q *Msg, ch chan *Envelope) error { + for x := range ch { + r := new(Msg) + // Compress? + r.SetReply(q) + r.Authoritative = true + // assume it fits TODO(miek): fix + r.Answer = append(r.Answer, x.RR...) + if tsig := q.IsTsig(); tsig != nil && w.TsigStatus() == nil { + r.SetTsig(tsig.Hdr.Name, tsig.Algorithm, tsig.Fudge, time.Now().Unix()) + } + if err := w.WriteMsg(r); err != nil { + return err + } + w.TsigTimersOnly(true) + } + return nil +} + +// ReadMsg reads a message from the transfer connection t. +func (t *Transfer) ReadMsg() (*Msg, error) { + m := new(Msg) + p := make([]byte, MaxMsgSize) + n, err := t.Read(p) + if err != nil && n == 0 { + return nil, err + } + p = p[:n] + if err := m.Unpack(p); err != nil { + return nil, err + } + if ts, tp := m.IsTsig(), t.tsigProvider(); ts != nil && tp != nil { + // Need to work on the original message p, as that was used to calculate the tsig. + err = tsigVerifyProvider(p, tp, t.tsigRequestMAC, t.tsigTimersOnly) + t.tsigRequestMAC = ts.MAC + } + return m, err +} + +// WriteMsg writes a message through the transfer connection t. +func (t *Transfer) WriteMsg(m *Msg) (err error) { + var out []byte + if ts, tp := m.IsTsig(), t.tsigProvider(); ts != nil && tp != nil { + out, t.tsigRequestMAC, err = tsigGenerateProvider(m, tp, t.tsigRequestMAC, t.tsigTimersOnly) + } else { + out, err = m.Pack() + } + if err != nil { + return err + } + _, err = t.Write(out) + return err +} + +func isSOAFirst(in *Msg) bool { + return len(in.Answer) > 0 && + in.Answer[0].Header().Rrtype == TypeSOA +} + +func isSOALast(in *Msg) bool { + return len(in.Answer) > 0 && + in.Answer[len(in.Answer)-1].Header().Rrtype == TypeSOA +} + +const errXFR = "bad xfr rcode: %d" diff --git a/vendor/github.com/miekg/dns/zduplicate.go b/vendor/github.com/miekg/dns/zduplicate.go new file mode 100644 index 000000000..9eb1dac29 --- /dev/null +++ b/vendor/github.com/miekg/dns/zduplicate.go @@ -0,0 +1,1340 @@ +// Code generated by "go run duplicate_generate.go"; DO NOT EDIT. + +package dns + +// isDuplicate() functions + +func (r1 *A) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*A) + if !ok { + return false + } + _ = r2 + if !r1.A.Equal(r2.A) { + return false + } + return true +} + +func (r1 *AAAA) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*AAAA) + if !ok { + return false + } + _ = r2 + if !r1.AAAA.Equal(r2.AAAA) { + return false + } + return true +} + +func (r1 *AFSDB) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*AFSDB) + if !ok { + return false + } + _ = r2 + if r1.Subtype != r2.Subtype { + return false + } + if !isDuplicateName(r1.Hostname, r2.Hostname) { + return false + } + return true +} + +func (r1 *ANY) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*ANY) + if !ok { + return false + } + _ = r2 + return true +} + +func (r1 *APL) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*APL) + if !ok { + return false + } + _ = r2 + if len(r1.Prefixes) != len(r2.Prefixes) { + return false + } + for i := 0; i < len(r1.Prefixes); i++ { + if !r1.Prefixes[i].equals(&r2.Prefixes[i]) { + return false + } + } + return true +} + +func (r1 *AVC) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*AVC) + if !ok { + return false + } + _ = r2 + if len(r1.Txt) != len(r2.Txt) { + return false + } + for i := 0; i < len(r1.Txt); i++ { + if r1.Txt[i] != r2.Txt[i] { + return false + } + } + return true +} + +func (r1 *CAA) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*CAA) + if !ok { + return false + } + _ = r2 + if r1.Flag != r2.Flag { + return false + } + if r1.Tag != r2.Tag { + return false + } + if r1.Value != r2.Value { + return false + } + return true +} + +func (r1 *CDNSKEY) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*CDNSKEY) + if !ok { + return false + } + _ = r2 + if r1.Flags != r2.Flags { + return false + } + if r1.Protocol != r2.Protocol { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.PublicKey != r2.PublicKey { + return false + } + return true +} + +func (r1 *CDS) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*CDS) + if !ok { + return false + } + _ = r2 + if r1.KeyTag != r2.KeyTag { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.DigestType != r2.DigestType { + return false + } + if r1.Digest != r2.Digest { + return false + } + return true +} + +func (r1 *CERT) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*CERT) + if !ok { + return false + } + _ = r2 + if r1.Type != r2.Type { + return false + } + if r1.KeyTag != r2.KeyTag { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.Certificate != r2.Certificate { + return false + } + return true +} + +func (r1 *CNAME) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*CNAME) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Target, r2.Target) { + return false + } + return true +} + +func (r1 *CSYNC) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*CSYNC) + if !ok { + return false + } + _ = r2 + if r1.Serial != r2.Serial { + return false + } + if r1.Flags != r2.Flags { + return false + } + if len(r1.TypeBitMap) != len(r2.TypeBitMap) { + return false + } + for i := 0; i < len(r1.TypeBitMap); i++ { + if r1.TypeBitMap[i] != r2.TypeBitMap[i] { + return false + } + } + return true +} + +func (r1 *DHCID) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*DHCID) + if !ok { + return false + } + _ = r2 + if r1.Digest != r2.Digest { + return false + } + return true +} + +func (r1 *DLV) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*DLV) + if !ok { + return false + } + _ = r2 + if r1.KeyTag != r2.KeyTag { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.DigestType != r2.DigestType { + return false + } + if r1.Digest != r2.Digest { + return false + } + return true +} + +func (r1 *DNAME) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*DNAME) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Target, r2.Target) { + return false + } + return true +} + +func (r1 *DNSKEY) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*DNSKEY) + if !ok { + return false + } + _ = r2 + if r1.Flags != r2.Flags { + return false + } + if r1.Protocol != r2.Protocol { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.PublicKey != r2.PublicKey { + return false + } + return true +} + +func (r1 *DS) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*DS) + if !ok { + return false + } + _ = r2 + if r1.KeyTag != r2.KeyTag { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.DigestType != r2.DigestType { + return false + } + if r1.Digest != r2.Digest { + return false + } + return true +} + +func (r1 *EID) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*EID) + if !ok { + return false + } + _ = r2 + if r1.Endpoint != r2.Endpoint { + return false + } + return true +} + +func (r1 *EUI48) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*EUI48) + if !ok { + return false + } + _ = r2 + if r1.Address != r2.Address { + return false + } + return true +} + +func (r1 *EUI64) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*EUI64) + if !ok { + return false + } + _ = r2 + if r1.Address != r2.Address { + return false + } + return true +} + +func (r1 *GID) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*GID) + if !ok { + return false + } + _ = r2 + if r1.Gid != r2.Gid { + return false + } + return true +} + +func (r1 *GPOS) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*GPOS) + if !ok { + return false + } + _ = r2 + if r1.Longitude != r2.Longitude { + return false + } + if r1.Latitude != r2.Latitude { + return false + } + if r1.Altitude != r2.Altitude { + return false + } + return true +} + +func (r1 *HINFO) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*HINFO) + if !ok { + return false + } + _ = r2 + if r1.Cpu != r2.Cpu { + return false + } + if r1.Os != r2.Os { + return false + } + return true +} + +func (r1 *HIP) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*HIP) + if !ok { + return false + } + _ = r2 + if r1.HitLength != r2.HitLength { + return false + } + if r1.PublicKeyAlgorithm != r2.PublicKeyAlgorithm { + return false + } + if r1.PublicKeyLength != r2.PublicKeyLength { + return false + } + if r1.Hit != r2.Hit { + return false + } + if r1.PublicKey != r2.PublicKey { + return false + } + if len(r1.RendezvousServers) != len(r2.RendezvousServers) { + return false + } + for i := 0; i < len(r1.RendezvousServers); i++ { + if !isDuplicateName(r1.RendezvousServers[i], r2.RendezvousServers[i]) { + return false + } + } + return true +} + +func (r1 *HTTPS) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*HTTPS) + if !ok { + return false + } + _ = r2 + if r1.Priority != r2.Priority { + return false + } + if !isDuplicateName(r1.Target, r2.Target) { + return false + } + if len(r1.Value) != len(r2.Value) { + return false + } + if !areSVCBPairArraysEqual(r1.Value, r2.Value) { + return false + } + return true +} + +func (r1 *KEY) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*KEY) + if !ok { + return false + } + _ = r2 + if r1.Flags != r2.Flags { + return false + } + if r1.Protocol != r2.Protocol { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.PublicKey != r2.PublicKey { + return false + } + return true +} + +func (r1 *KX) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*KX) + if !ok { + return false + } + _ = r2 + if r1.Preference != r2.Preference { + return false + } + if !isDuplicateName(r1.Exchanger, r2.Exchanger) { + return false + } + return true +} + +func (r1 *L32) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*L32) + if !ok { + return false + } + _ = r2 + if r1.Preference != r2.Preference { + return false + } + if !r1.Locator32.Equal(r2.Locator32) { + return false + } + return true +} + +func (r1 *L64) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*L64) + if !ok { + return false + } + _ = r2 + if r1.Preference != r2.Preference { + return false + } + if r1.Locator64 != r2.Locator64 { + return false + } + return true +} + +func (r1 *LOC) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*LOC) + if !ok { + return false + } + _ = r2 + if r1.Version != r2.Version { + return false + } + if r1.Size != r2.Size { + return false + } + if r1.HorizPre != r2.HorizPre { + return false + } + if r1.VertPre != r2.VertPre { + return false + } + if r1.Latitude != r2.Latitude { + return false + } + if r1.Longitude != r2.Longitude { + return false + } + if r1.Altitude != r2.Altitude { + return false + } + return true +} + +func (r1 *LP) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*LP) + if !ok { + return false + } + _ = r2 + if r1.Preference != r2.Preference { + return false + } + if !isDuplicateName(r1.Fqdn, r2.Fqdn) { + return false + } + return true +} + +func (r1 *MB) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*MB) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Mb, r2.Mb) { + return false + } + return true +} + +func (r1 *MD) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*MD) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Md, r2.Md) { + return false + } + return true +} + +func (r1 *MF) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*MF) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Mf, r2.Mf) { + return false + } + return true +} + +func (r1 *MG) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*MG) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Mg, r2.Mg) { + return false + } + return true +} + +func (r1 *MINFO) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*MINFO) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Rmail, r2.Rmail) { + return false + } + if !isDuplicateName(r1.Email, r2.Email) { + return false + } + return true +} + +func (r1 *MR) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*MR) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Mr, r2.Mr) { + return false + } + return true +} + +func (r1 *MX) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*MX) + if !ok { + return false + } + _ = r2 + if r1.Preference != r2.Preference { + return false + } + if !isDuplicateName(r1.Mx, r2.Mx) { + return false + } + return true +} + +func (r1 *NAPTR) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NAPTR) + if !ok { + return false + } + _ = r2 + if r1.Order != r2.Order { + return false + } + if r1.Preference != r2.Preference { + return false + } + if r1.Flags != r2.Flags { + return false + } + if r1.Service != r2.Service { + return false + } + if r1.Regexp != r2.Regexp { + return false + } + if !isDuplicateName(r1.Replacement, r2.Replacement) { + return false + } + return true +} + +func (r1 *NID) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NID) + if !ok { + return false + } + _ = r2 + if r1.Preference != r2.Preference { + return false + } + if r1.NodeID != r2.NodeID { + return false + } + return true +} + +func (r1 *NIMLOC) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NIMLOC) + if !ok { + return false + } + _ = r2 + if r1.Locator != r2.Locator { + return false + } + return true +} + +func (r1 *NINFO) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NINFO) + if !ok { + return false + } + _ = r2 + if len(r1.ZSData) != len(r2.ZSData) { + return false + } + for i := 0; i < len(r1.ZSData); i++ { + if r1.ZSData[i] != r2.ZSData[i] { + return false + } + } + return true +} + +func (r1 *NS) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NS) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Ns, r2.Ns) { + return false + } + return true +} + +func (r1 *NSAPPTR) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NSAPPTR) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Ptr, r2.Ptr) { + return false + } + return true +} + +func (r1 *NSEC) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NSEC) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.NextDomain, r2.NextDomain) { + return false + } + if len(r1.TypeBitMap) != len(r2.TypeBitMap) { + return false + } + for i := 0; i < len(r1.TypeBitMap); i++ { + if r1.TypeBitMap[i] != r2.TypeBitMap[i] { + return false + } + } + return true +} + +func (r1 *NSEC3) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NSEC3) + if !ok { + return false + } + _ = r2 + if r1.Hash != r2.Hash { + return false + } + if r1.Flags != r2.Flags { + return false + } + if r1.Iterations != r2.Iterations { + return false + } + if r1.SaltLength != r2.SaltLength { + return false + } + if r1.Salt != r2.Salt { + return false + } + if r1.HashLength != r2.HashLength { + return false + } + if r1.NextDomain != r2.NextDomain { + return false + } + if len(r1.TypeBitMap) != len(r2.TypeBitMap) { + return false + } + for i := 0; i < len(r1.TypeBitMap); i++ { + if r1.TypeBitMap[i] != r2.TypeBitMap[i] { + return false + } + } + return true +} + +func (r1 *NSEC3PARAM) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NSEC3PARAM) + if !ok { + return false + } + _ = r2 + if r1.Hash != r2.Hash { + return false + } + if r1.Flags != r2.Flags { + return false + } + if r1.Iterations != r2.Iterations { + return false + } + if r1.SaltLength != r2.SaltLength { + return false + } + if r1.Salt != r2.Salt { + return false + } + return true +} + +func (r1 *NULL) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*NULL) + if !ok { + return false + } + _ = r2 + if r1.Data != r2.Data { + return false + } + return true +} + +func (r1 *OPENPGPKEY) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*OPENPGPKEY) + if !ok { + return false + } + _ = r2 + if r1.PublicKey != r2.PublicKey { + return false + } + return true +} + +func (r1 *PTR) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*PTR) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Ptr, r2.Ptr) { + return false + } + return true +} + +func (r1 *PX) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*PX) + if !ok { + return false + } + _ = r2 + if r1.Preference != r2.Preference { + return false + } + if !isDuplicateName(r1.Map822, r2.Map822) { + return false + } + if !isDuplicateName(r1.Mapx400, r2.Mapx400) { + return false + } + return true +} + +func (r1 *RFC3597) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*RFC3597) + if !ok { + return false + } + _ = r2 + if r1.Rdata != r2.Rdata { + return false + } + return true +} + +func (r1 *RKEY) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*RKEY) + if !ok { + return false + } + _ = r2 + if r1.Flags != r2.Flags { + return false + } + if r1.Protocol != r2.Protocol { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.PublicKey != r2.PublicKey { + return false + } + return true +} + +func (r1 *RP) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*RP) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Mbox, r2.Mbox) { + return false + } + if !isDuplicateName(r1.Txt, r2.Txt) { + return false + } + return true +} + +func (r1 *RRSIG) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*RRSIG) + if !ok { + return false + } + _ = r2 + if r1.TypeCovered != r2.TypeCovered { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.Labels != r2.Labels { + return false + } + if r1.OrigTtl != r2.OrigTtl { + return false + } + if r1.Expiration != r2.Expiration { + return false + } + if r1.Inception != r2.Inception { + return false + } + if r1.KeyTag != r2.KeyTag { + return false + } + if !isDuplicateName(r1.SignerName, r2.SignerName) { + return false + } + if r1.Signature != r2.Signature { + return false + } + return true +} + +func (r1 *RT) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*RT) + if !ok { + return false + } + _ = r2 + if r1.Preference != r2.Preference { + return false + } + if !isDuplicateName(r1.Host, r2.Host) { + return false + } + return true +} + +func (r1 *SIG) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*SIG) + if !ok { + return false + } + _ = r2 + if r1.TypeCovered != r2.TypeCovered { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.Labels != r2.Labels { + return false + } + if r1.OrigTtl != r2.OrigTtl { + return false + } + if r1.Expiration != r2.Expiration { + return false + } + if r1.Inception != r2.Inception { + return false + } + if r1.KeyTag != r2.KeyTag { + return false + } + if !isDuplicateName(r1.SignerName, r2.SignerName) { + return false + } + if r1.Signature != r2.Signature { + return false + } + return true +} + +func (r1 *SMIMEA) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*SMIMEA) + if !ok { + return false + } + _ = r2 + if r1.Usage != r2.Usage { + return false + } + if r1.Selector != r2.Selector { + return false + } + if r1.MatchingType != r2.MatchingType { + return false + } + if r1.Certificate != r2.Certificate { + return false + } + return true +} + +func (r1 *SOA) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*SOA) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Ns, r2.Ns) { + return false + } + if !isDuplicateName(r1.Mbox, r2.Mbox) { + return false + } + if r1.Serial != r2.Serial { + return false + } + if r1.Refresh != r2.Refresh { + return false + } + if r1.Retry != r2.Retry { + return false + } + if r1.Expire != r2.Expire { + return false + } + if r1.Minttl != r2.Minttl { + return false + } + return true +} + +func (r1 *SPF) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*SPF) + if !ok { + return false + } + _ = r2 + if len(r1.Txt) != len(r2.Txt) { + return false + } + for i := 0; i < len(r1.Txt); i++ { + if r1.Txt[i] != r2.Txt[i] { + return false + } + } + return true +} + +func (r1 *SRV) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*SRV) + if !ok { + return false + } + _ = r2 + if r1.Priority != r2.Priority { + return false + } + if r1.Weight != r2.Weight { + return false + } + if r1.Port != r2.Port { + return false + } + if !isDuplicateName(r1.Target, r2.Target) { + return false + } + return true +} + +func (r1 *SSHFP) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*SSHFP) + if !ok { + return false + } + _ = r2 + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.Type != r2.Type { + return false + } + if r1.FingerPrint != r2.FingerPrint { + return false + } + return true +} + +func (r1 *SVCB) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*SVCB) + if !ok { + return false + } + _ = r2 + if r1.Priority != r2.Priority { + return false + } + if !isDuplicateName(r1.Target, r2.Target) { + return false + } + if len(r1.Value) != len(r2.Value) { + return false + } + if !areSVCBPairArraysEqual(r1.Value, r2.Value) { + return false + } + return true +} + +func (r1 *TA) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*TA) + if !ok { + return false + } + _ = r2 + if r1.KeyTag != r2.KeyTag { + return false + } + if r1.Algorithm != r2.Algorithm { + return false + } + if r1.DigestType != r2.DigestType { + return false + } + if r1.Digest != r2.Digest { + return false + } + return true +} + +func (r1 *TALINK) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*TALINK) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.PreviousName, r2.PreviousName) { + return false + } + if !isDuplicateName(r1.NextName, r2.NextName) { + return false + } + return true +} + +func (r1 *TKEY) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*TKEY) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Algorithm, r2.Algorithm) { + return false + } + if r1.Inception != r2.Inception { + return false + } + if r1.Expiration != r2.Expiration { + return false + } + if r1.Mode != r2.Mode { + return false + } + if r1.Error != r2.Error { + return false + } + if r1.KeySize != r2.KeySize { + return false + } + if r1.Key != r2.Key { + return false + } + if r1.OtherLen != r2.OtherLen { + return false + } + if r1.OtherData != r2.OtherData { + return false + } + return true +} + +func (r1 *TLSA) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*TLSA) + if !ok { + return false + } + _ = r2 + if r1.Usage != r2.Usage { + return false + } + if r1.Selector != r2.Selector { + return false + } + if r1.MatchingType != r2.MatchingType { + return false + } + if r1.Certificate != r2.Certificate { + return false + } + return true +} + +func (r1 *TSIG) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*TSIG) + if !ok { + return false + } + _ = r2 + if !isDuplicateName(r1.Algorithm, r2.Algorithm) { + return false + } + if r1.TimeSigned != r2.TimeSigned { + return false + } + if r1.Fudge != r2.Fudge { + return false + } + if r1.MACSize != r2.MACSize { + return false + } + if r1.MAC != r2.MAC { + return false + } + if r1.OrigId != r2.OrigId { + return false + } + if r1.Error != r2.Error { + return false + } + if r1.OtherLen != r2.OtherLen { + return false + } + if r1.OtherData != r2.OtherData { + return false + } + return true +} + +func (r1 *TXT) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*TXT) + if !ok { + return false + } + _ = r2 + if len(r1.Txt) != len(r2.Txt) { + return false + } + for i := 0; i < len(r1.Txt); i++ { + if r1.Txt[i] != r2.Txt[i] { + return false + } + } + return true +} + +func (r1 *UID) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*UID) + if !ok { + return false + } + _ = r2 + if r1.Uid != r2.Uid { + return false + } + return true +} + +func (r1 *UINFO) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*UINFO) + if !ok { + return false + } + _ = r2 + if r1.Uinfo != r2.Uinfo { + return false + } + return true +} + +func (r1 *URI) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*URI) + if !ok { + return false + } + _ = r2 + if r1.Priority != r2.Priority { + return false + } + if r1.Weight != r2.Weight { + return false + } + if r1.Target != r2.Target { + return false + } + return true +} + +func (r1 *X25) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*X25) + if !ok { + return false + } + _ = r2 + if r1.PSDNAddress != r2.PSDNAddress { + return false + } + return true +} + +func (r1 *ZONEMD) isDuplicate(_r2 RR) bool { + r2, ok := _r2.(*ZONEMD) + if !ok { + return false + } + _ = r2 + if r1.Serial != r2.Serial { + return false + } + if r1.Scheme != r2.Scheme { + return false + } + if r1.Hash != r2.Hash { + return false + } + if r1.Digest != r2.Digest { + return false + } + return true +} diff --git a/vendor/github.com/miekg/dns/zmsg.go b/vendor/github.com/miekg/dns/zmsg.go new file mode 100644 index 000000000..fc0822f98 --- /dev/null +++ b/vendor/github.com/miekg/dns/zmsg.go @@ -0,0 +1,2875 @@ +// Code generated by "go run msg_generate.go"; DO NOT EDIT. + +package dns + +// pack*() functions + +func (rr *A) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDataA(rr.A, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *AAAA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDataAAAA(rr.AAAA, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *AFSDB) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Subtype, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Hostname, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *ANY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + return off, nil +} + +func (rr *APL) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDataApl(rr.Prefixes, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *AVC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringTxt(rr.Txt, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CAA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint8(rr.Flag, msg, off) + if err != nil { + return off, err + } + off, err = packString(rr.Tag, msg, off) + if err != nil { + return off, err + } + off, err = packStringOctet(rr.Value, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CDNSKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Flags, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Protocol, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packStringBase64(rr.PublicKey, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CDS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.KeyTag, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.DigestType, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.Digest, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CERT) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Type, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.KeyTag, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packStringBase64(rr.Certificate, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CNAME) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Target, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CSYNC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint32(rr.Serial, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Flags, msg, off) + if err != nil { + return off, err + } + off, err = packDataNsec(rr.TypeBitMap, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DHCID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringBase64(rr.Digest, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DLV) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.KeyTag, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.DigestType, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.Digest, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DNAME) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Target, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DNSKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Flags, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Protocol, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packStringBase64(rr.PublicKey, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.KeyTag, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.DigestType, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.Digest, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *EID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringHex(rr.Endpoint, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *EUI48) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint48(rr.Address, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *EUI64) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint64(rr.Address, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *GID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint32(rr.Gid, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *GPOS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packString(rr.Longitude, msg, off) + if err != nil { + return off, err + } + off, err = packString(rr.Latitude, msg, off) + if err != nil { + return off, err + } + off, err = packString(rr.Altitude, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *HINFO) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packString(rr.Cpu, msg, off) + if err != nil { + return off, err + } + off, err = packString(rr.Os, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *HIP) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint8(rr.HitLength, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.PublicKeyAlgorithm, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.PublicKeyLength, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.Hit, msg, off) + if err != nil { + return off, err + } + off, err = packStringBase64(rr.PublicKey, msg, off) + if err != nil { + return off, err + } + off, err = packDataDomainNames(rr.RendezvousServers, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *HTTPS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Priority, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Target, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packDataSVCB(rr.Value, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *KEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Flags, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Protocol, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packStringBase64(rr.PublicKey, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *KX) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Preference, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Exchanger, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *L32) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Preference, msg, off) + if err != nil { + return off, err + } + off, err = packDataA(rr.Locator32, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *L64) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Preference, msg, off) + if err != nil { + return off, err + } + off, err = packUint64(rr.Locator64, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *LOC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint8(rr.Version, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Size, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.HorizPre, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.VertPre, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Latitude, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Longitude, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Altitude, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *LP) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Preference, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Fqdn, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MB) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Mb, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MD) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Md, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MF) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Mf, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MG) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Mg, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MINFO) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Rmail, msg, off, compression, compress) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Email, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MR) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Mr, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MX) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Preference, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Mx, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NAPTR) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Order, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Preference, msg, off) + if err != nil { + return off, err + } + off, err = packString(rr.Flags, msg, off) + if err != nil { + return off, err + } + off, err = packString(rr.Service, msg, off) + if err != nil { + return off, err + } + off, err = packString(rr.Regexp, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Replacement, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Preference, msg, off) + if err != nil { + return off, err + } + off, err = packUint64(rr.NodeID, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NIMLOC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringHex(rr.Locator, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NINFO) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringTxt(rr.ZSData, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NS) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Ns, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NSAPPTR) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Ptr, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NSEC) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.NextDomain, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packDataNsec(rr.TypeBitMap, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NSEC3) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint8(rr.Hash, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Flags, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Iterations, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.SaltLength, msg, off) + if err != nil { + return off, err + } + // Only pack salt if value is not "-", i.e. empty + if rr.Salt != "-" { + off, err = packStringHex(rr.Salt, msg, off) + if err != nil { + return off, err + } + } + off, err = packUint8(rr.HashLength, msg, off) + if err != nil { + return off, err + } + off, err = packStringBase32(rr.NextDomain, msg, off) + if err != nil { + return off, err + } + off, err = packDataNsec(rr.TypeBitMap, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NSEC3PARAM) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint8(rr.Hash, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Flags, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Iterations, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.SaltLength, msg, off) + if err != nil { + return off, err + } + // Only pack salt if value is not "-", i.e. empty + if rr.Salt != "-" { + off, err = packStringHex(rr.Salt, msg, off) + if err != nil { + return off, err + } + } + return off, nil +} + +func (rr *NULL) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringAny(rr.Data, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *OPENPGPKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringBase64(rr.PublicKey, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *OPT) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDataOpt(rr.Option, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *PTR) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Ptr, msg, off, compression, compress) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *PX) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Preference, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Map822, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Mapx400, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RFC3597) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringHex(rr.Rdata, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Flags, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Protocol, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packStringBase64(rr.PublicKey, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RP) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Mbox, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Txt, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RRSIG) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.TypeCovered, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Labels, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.OrigTtl, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Expiration, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Inception, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.KeyTag, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.SignerName, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packStringBase64(rr.Signature, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RT) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Preference, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Host, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SIG) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.TypeCovered, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Labels, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.OrigTtl, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Expiration, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Inception, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.KeyTag, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.SignerName, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packStringBase64(rr.Signature, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SMIMEA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint8(rr.Usage, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Selector, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.MatchingType, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.Certificate, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SOA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Ns, msg, off, compression, compress) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Mbox, msg, off, compression, compress) + if err != nil { + return off, err + } + off, err = packUint32(rr.Serial, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Refresh, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Retry, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Expire, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Minttl, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SPF) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringTxt(rr.Txt, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SRV) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Priority, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Weight, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Port, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Target, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SSHFP) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Type, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.FingerPrint, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SVCB) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Priority, msg, off) + if err != nil { + return off, err + } + off, err = packDomainName(rr.Target, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packDataSVCB(rr.Value, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.KeyTag, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Algorithm, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.DigestType, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.Digest, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TALINK) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.PreviousName, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packDomainName(rr.NextName, msg, off, compression, false) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TKEY) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Algorithm, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packUint32(rr.Inception, msg, off) + if err != nil { + return off, err + } + off, err = packUint32(rr.Expiration, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Mode, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Error, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.KeySize, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.Key, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.OtherLen, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.OtherData, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TLSA) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint8(rr.Usage, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Selector, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.MatchingType, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.Certificate, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TSIG) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packDomainName(rr.Algorithm, msg, off, compression, false) + if err != nil { + return off, err + } + off, err = packUint48(rr.TimeSigned, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Fudge, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.MACSize, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.MAC, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.OrigId, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Error, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.OtherLen, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.OtherData, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TXT) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packStringTxt(rr.Txt, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *UID) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint32(rr.Uid, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *UINFO) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packString(rr.Uinfo, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *URI) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint16(rr.Priority, msg, off) + if err != nil { + return off, err + } + off, err = packUint16(rr.Weight, msg, off) + if err != nil { + return off, err + } + off, err = packStringOctet(rr.Target, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *X25) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packString(rr.PSDNAddress, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *ZONEMD) pack(msg []byte, off int, compression compressionMap, compress bool) (off1 int, err error) { + off, err = packUint32(rr.Serial, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Scheme, msg, off) + if err != nil { + return off, err + } + off, err = packUint8(rr.Hash, msg, off) + if err != nil { + return off, err + } + off, err = packStringHex(rr.Digest, msg, off) + if err != nil { + return off, err + } + return off, nil +} + +// unpack*() functions + +func (rr *A) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.A, off, err = unpackDataA(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *AAAA) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.AAAA, off, err = unpackDataAAAA(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *AFSDB) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Subtype, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Hostname, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *ANY) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + return off, nil +} + +func (rr *APL) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Prefixes, off, err = unpackDataApl(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *AVC) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Txt, off, err = unpackStringTxt(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CAA) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Flag, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Tag, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Value, off, err = unpackStringOctet(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CDNSKEY) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Flags, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Protocol, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CDS) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.KeyTag, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.DigestType, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CERT) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Type, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.KeyTag, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Certificate, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CNAME) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Target, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *CSYNC) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Serial, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Flags, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.TypeBitMap, off, err = unpackDataNsec(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DHCID) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Digest, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DLV) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.KeyTag, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.DigestType, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DNAME) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Target, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DNSKEY) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Flags, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Protocol, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *DS) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.KeyTag, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.DigestType, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *EID) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Endpoint, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *EUI48) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Address, off, err = unpackUint48(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *EUI64) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Address, off, err = unpackUint64(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *GID) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Gid, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *GPOS) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Longitude, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Latitude, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Altitude, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *HINFO) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Cpu, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Os, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *HIP) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.HitLength, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.PublicKeyAlgorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.PublicKeyLength, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Hit, off, err = unpackStringHex(msg, off, off+int(rr.HitLength)) + if err != nil { + return off, err + } + rr.PublicKey, off, err = unpackStringBase64(msg, off, off+int(rr.PublicKeyLength)) + if err != nil { + return off, err + } + rr.RendezvousServers, off, err = unpackDataDomainNames(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *HTTPS) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Priority, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Target, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Value, off, err = unpackDataSVCB(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *KEY) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Flags, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Protocol, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *KX) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Preference, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Exchanger, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *L32) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Preference, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Locator32, off, err = unpackDataA(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *L64) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Preference, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Locator64, off, err = unpackUint64(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *LOC) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Version, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Size, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.HorizPre, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.VertPre, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Latitude, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Longitude, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Altitude, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *LP) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Preference, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Fqdn, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MB) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Mb, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MD) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Md, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MF) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Mf, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MG) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Mg, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MINFO) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Rmail, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Email, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MR) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Mr, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *MX) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Preference, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Mx, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NAPTR) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Order, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Preference, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Flags, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Service, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Regexp, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Replacement, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NID) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Preference, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.NodeID, off, err = unpackUint64(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NIMLOC) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Locator, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NINFO) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.ZSData, off, err = unpackStringTxt(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NS) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Ns, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NSAPPTR) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Ptr, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NSEC) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.NextDomain, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.TypeBitMap, off, err = unpackDataNsec(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NSEC3) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Hash, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Flags, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Iterations, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.SaltLength, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Salt, off, err = unpackStringHex(msg, off, off+int(rr.SaltLength)) + if err != nil { + return off, err + } + rr.HashLength, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.NextDomain, off, err = unpackStringBase32(msg, off, off+int(rr.HashLength)) + if err != nil { + return off, err + } + rr.TypeBitMap, off, err = unpackDataNsec(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NSEC3PARAM) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Hash, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Flags, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Iterations, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.SaltLength, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Salt, off, err = unpackStringHex(msg, off, off+int(rr.SaltLength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *NULL) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Data, off, err = unpackStringAny(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *OPENPGPKEY) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *OPT) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Option, off, err = unpackDataOpt(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *PTR) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Ptr, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *PX) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Preference, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Map822, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Mapx400, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RFC3597) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Rdata, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RKEY) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Flags, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Protocol, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.PublicKey, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RP) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Mbox, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Txt, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RRSIG) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.TypeCovered, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Labels, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.OrigTtl, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Expiration, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Inception, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.KeyTag, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.SignerName, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Signature, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *RT) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Preference, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Host, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SIG) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.TypeCovered, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Labels, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.OrigTtl, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Expiration, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Inception, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.KeyTag, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.SignerName, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Signature, off, err = unpackStringBase64(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SMIMEA) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Usage, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Selector, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.MatchingType, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Certificate, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SOA) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Ns, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Mbox, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Serial, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Refresh, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Retry, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Expire, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Minttl, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SPF) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Txt, off, err = unpackStringTxt(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SRV) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Priority, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Weight, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Port, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Target, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SSHFP) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Type, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.FingerPrint, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *SVCB) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Priority, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Target, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Value, off, err = unpackDataSVCB(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TA) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.KeyTag, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Algorithm, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.DigestType, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TALINK) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.PreviousName, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.NextName, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TKEY) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Algorithm, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Inception, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Expiration, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Mode, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Error, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.KeySize, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Key, off, err = unpackStringHex(msg, off, off+int(rr.KeySize)) + if err != nil { + return off, err + } + rr.OtherLen, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.OtherData, off, err = unpackStringHex(msg, off, off+int(rr.OtherLen)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TLSA) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Usage, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Selector, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.MatchingType, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Certificate, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TSIG) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Algorithm, off, err = UnpackDomainName(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.TimeSigned, off, err = unpackUint48(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Fudge, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.MACSize, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.MAC, off, err = unpackStringHex(msg, off, off+int(rr.MACSize)) + if err != nil { + return off, err + } + rr.OrigId, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Error, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.OtherLen, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.OtherData, off, err = unpackStringHex(msg, off, off+int(rr.OtherLen)) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *TXT) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Txt, off, err = unpackStringTxt(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *UID) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Uid, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *UINFO) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Uinfo, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *URI) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Priority, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Weight, off, err = unpackUint16(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Target, off, err = unpackStringOctet(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *X25) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.PSDNAddress, off, err = unpackString(msg, off) + if err != nil { + return off, err + } + return off, nil +} + +func (rr *ZONEMD) unpack(msg []byte, off int) (off1 int, err error) { + rdStart := off + _ = rdStart + + rr.Serial, off, err = unpackUint32(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Scheme, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Hash, off, err = unpackUint8(msg, off) + if err != nil { + return off, err + } + if off == len(msg) { + return off, nil + } + rr.Digest, off, err = unpackStringHex(msg, off, rdStart+int(rr.Hdr.Rdlength)) + if err != nil { + return off, err + } + return off, nil +} diff --git a/vendor/github.com/miekg/dns/ztypes.go b/vendor/github.com/miekg/dns/ztypes.go new file mode 100644 index 000000000..5d060cfee --- /dev/null +++ b/vendor/github.com/miekg/dns/ztypes.go @@ -0,0 +1,952 @@ +// Code generated by "go run types_generate.go"; DO NOT EDIT. + +package dns + +import ( + "encoding/base64" + "net" +) + +// TypeToRR is a map of constructors for each RR type. +var TypeToRR = map[uint16]func() RR{ + TypeA: func() RR { return new(A) }, + TypeAAAA: func() RR { return new(AAAA) }, + TypeAFSDB: func() RR { return new(AFSDB) }, + TypeANY: func() RR { return new(ANY) }, + TypeAPL: func() RR { return new(APL) }, + TypeAVC: func() RR { return new(AVC) }, + TypeCAA: func() RR { return new(CAA) }, + TypeCDNSKEY: func() RR { return new(CDNSKEY) }, + TypeCDS: func() RR { return new(CDS) }, + TypeCERT: func() RR { return new(CERT) }, + TypeCNAME: func() RR { return new(CNAME) }, + TypeCSYNC: func() RR { return new(CSYNC) }, + TypeDHCID: func() RR { return new(DHCID) }, + TypeDLV: func() RR { return new(DLV) }, + TypeDNAME: func() RR { return new(DNAME) }, + TypeDNSKEY: func() RR { return new(DNSKEY) }, + TypeDS: func() RR { return new(DS) }, + TypeEID: func() RR { return new(EID) }, + TypeEUI48: func() RR { return new(EUI48) }, + TypeEUI64: func() RR { return new(EUI64) }, + TypeGID: func() RR { return new(GID) }, + TypeGPOS: func() RR { return new(GPOS) }, + TypeHINFO: func() RR { return new(HINFO) }, + TypeHIP: func() RR { return new(HIP) }, + TypeHTTPS: func() RR { return new(HTTPS) }, + TypeKEY: func() RR { return new(KEY) }, + TypeKX: func() RR { return new(KX) }, + TypeL32: func() RR { return new(L32) }, + TypeL64: func() RR { return new(L64) }, + TypeLOC: func() RR { return new(LOC) }, + TypeLP: func() RR { return new(LP) }, + TypeMB: func() RR { return new(MB) }, + TypeMD: func() RR { return new(MD) }, + TypeMF: func() RR { return new(MF) }, + TypeMG: func() RR { return new(MG) }, + TypeMINFO: func() RR { return new(MINFO) }, + TypeMR: func() RR { return new(MR) }, + TypeMX: func() RR { return new(MX) }, + TypeNAPTR: func() RR { return new(NAPTR) }, + TypeNID: func() RR { return new(NID) }, + TypeNIMLOC: func() RR { return new(NIMLOC) }, + TypeNINFO: func() RR { return new(NINFO) }, + TypeNS: func() RR { return new(NS) }, + TypeNSAPPTR: func() RR { return new(NSAPPTR) }, + TypeNSEC: func() RR { return new(NSEC) }, + TypeNSEC3: func() RR { return new(NSEC3) }, + TypeNSEC3PARAM: func() RR { return new(NSEC3PARAM) }, + TypeNULL: func() RR { return new(NULL) }, + TypeOPENPGPKEY: func() RR { return new(OPENPGPKEY) }, + TypeOPT: func() RR { return new(OPT) }, + TypePTR: func() RR { return new(PTR) }, + TypePX: func() RR { return new(PX) }, + TypeRKEY: func() RR { return new(RKEY) }, + TypeRP: func() RR { return new(RP) }, + TypeRRSIG: func() RR { return new(RRSIG) }, + TypeRT: func() RR { return new(RT) }, + TypeSIG: func() RR { return new(SIG) }, + TypeSMIMEA: func() RR { return new(SMIMEA) }, + TypeSOA: func() RR { return new(SOA) }, + TypeSPF: func() RR { return new(SPF) }, + TypeSRV: func() RR { return new(SRV) }, + TypeSSHFP: func() RR { return new(SSHFP) }, + TypeSVCB: func() RR { return new(SVCB) }, + TypeTA: func() RR { return new(TA) }, + TypeTALINK: func() RR { return new(TALINK) }, + TypeTKEY: func() RR { return new(TKEY) }, + TypeTLSA: func() RR { return new(TLSA) }, + TypeTSIG: func() RR { return new(TSIG) }, + TypeTXT: func() RR { return new(TXT) }, + TypeUID: func() RR { return new(UID) }, + TypeUINFO: func() RR { return new(UINFO) }, + TypeURI: func() RR { return new(URI) }, + TypeX25: func() RR { return new(X25) }, + TypeZONEMD: func() RR { return new(ZONEMD) }, +} + +// TypeToString is a map of strings for each RR type. +var TypeToString = map[uint16]string{ + TypeA: "A", + TypeAAAA: "AAAA", + TypeAFSDB: "AFSDB", + TypeANY: "ANY", + TypeAPL: "APL", + TypeATMA: "ATMA", + TypeAVC: "AVC", + TypeAXFR: "AXFR", + TypeCAA: "CAA", + TypeCDNSKEY: "CDNSKEY", + TypeCDS: "CDS", + TypeCERT: "CERT", + TypeCNAME: "CNAME", + TypeCSYNC: "CSYNC", + TypeDHCID: "DHCID", + TypeDLV: "DLV", + TypeDNAME: "DNAME", + TypeDNSKEY: "DNSKEY", + TypeDS: "DS", + TypeEID: "EID", + TypeEUI48: "EUI48", + TypeEUI64: "EUI64", + TypeGID: "GID", + TypeGPOS: "GPOS", + TypeHINFO: "HINFO", + TypeHIP: "HIP", + TypeHTTPS: "HTTPS", + TypeISDN: "ISDN", + TypeIXFR: "IXFR", + TypeKEY: "KEY", + TypeKX: "KX", + TypeL32: "L32", + TypeL64: "L64", + TypeLOC: "LOC", + TypeLP: "LP", + TypeMAILA: "MAILA", + TypeMAILB: "MAILB", + TypeMB: "MB", + TypeMD: "MD", + TypeMF: "MF", + TypeMG: "MG", + TypeMINFO: "MINFO", + TypeMR: "MR", + TypeMX: "MX", + TypeNAPTR: "NAPTR", + TypeNID: "NID", + TypeNIMLOC: "NIMLOC", + TypeNINFO: "NINFO", + TypeNS: "NS", + TypeNSEC: "NSEC", + TypeNSEC3: "NSEC3", + TypeNSEC3PARAM: "NSEC3PARAM", + TypeNULL: "NULL", + TypeNXT: "NXT", + TypeNone: "None", + TypeOPENPGPKEY: "OPENPGPKEY", + TypeOPT: "OPT", + TypePTR: "PTR", + TypePX: "PX", + TypeRKEY: "RKEY", + TypeRP: "RP", + TypeRRSIG: "RRSIG", + TypeRT: "RT", + TypeReserved: "Reserved", + TypeSIG: "SIG", + TypeSMIMEA: "SMIMEA", + TypeSOA: "SOA", + TypeSPF: "SPF", + TypeSRV: "SRV", + TypeSSHFP: "SSHFP", + TypeSVCB: "SVCB", + TypeTA: "TA", + TypeTALINK: "TALINK", + TypeTKEY: "TKEY", + TypeTLSA: "TLSA", + TypeTSIG: "TSIG", + TypeTXT: "TXT", + TypeUID: "UID", + TypeUINFO: "UINFO", + TypeUNSPEC: "UNSPEC", + TypeURI: "URI", + TypeX25: "X25", + TypeZONEMD: "ZONEMD", + TypeNSAPPTR: "NSAP-PTR", +} + +func (rr *A) Header() *RR_Header { return &rr.Hdr } +func (rr *AAAA) Header() *RR_Header { return &rr.Hdr } +func (rr *AFSDB) Header() *RR_Header { return &rr.Hdr } +func (rr *ANY) Header() *RR_Header { return &rr.Hdr } +func (rr *APL) Header() *RR_Header { return &rr.Hdr } +func (rr *AVC) Header() *RR_Header { return &rr.Hdr } +func (rr *CAA) Header() *RR_Header { return &rr.Hdr } +func (rr *CDNSKEY) Header() *RR_Header { return &rr.Hdr } +func (rr *CDS) Header() *RR_Header { return &rr.Hdr } +func (rr *CERT) Header() *RR_Header { return &rr.Hdr } +func (rr *CNAME) Header() *RR_Header { return &rr.Hdr } +func (rr *CSYNC) Header() *RR_Header { return &rr.Hdr } +func (rr *DHCID) Header() *RR_Header { return &rr.Hdr } +func (rr *DLV) Header() *RR_Header { return &rr.Hdr } +func (rr *DNAME) Header() *RR_Header { return &rr.Hdr } +func (rr *DNSKEY) Header() *RR_Header { return &rr.Hdr } +func (rr *DS) Header() *RR_Header { return &rr.Hdr } +func (rr *EID) Header() *RR_Header { return &rr.Hdr } +func (rr *EUI48) Header() *RR_Header { return &rr.Hdr } +func (rr *EUI64) Header() *RR_Header { return &rr.Hdr } +func (rr *GID) Header() *RR_Header { return &rr.Hdr } +func (rr *GPOS) Header() *RR_Header { return &rr.Hdr } +func (rr *HINFO) Header() *RR_Header { return &rr.Hdr } +func (rr *HIP) Header() *RR_Header { return &rr.Hdr } +func (rr *HTTPS) Header() *RR_Header { return &rr.Hdr } +func (rr *KEY) Header() *RR_Header { return &rr.Hdr } +func (rr *KX) Header() *RR_Header { return &rr.Hdr } +func (rr *L32) Header() *RR_Header { return &rr.Hdr } +func (rr *L64) Header() *RR_Header { return &rr.Hdr } +func (rr *LOC) Header() *RR_Header { return &rr.Hdr } +func (rr *LP) Header() *RR_Header { return &rr.Hdr } +func (rr *MB) Header() *RR_Header { return &rr.Hdr } +func (rr *MD) Header() *RR_Header { return &rr.Hdr } +func (rr *MF) Header() *RR_Header { return &rr.Hdr } +func (rr *MG) Header() *RR_Header { return &rr.Hdr } +func (rr *MINFO) Header() *RR_Header { return &rr.Hdr } +func (rr *MR) Header() *RR_Header { return &rr.Hdr } +func (rr *MX) Header() *RR_Header { return &rr.Hdr } +func (rr *NAPTR) Header() *RR_Header { return &rr.Hdr } +func (rr *NID) Header() *RR_Header { return &rr.Hdr } +func (rr *NIMLOC) Header() *RR_Header { return &rr.Hdr } +func (rr *NINFO) Header() *RR_Header { return &rr.Hdr } +func (rr *NS) Header() *RR_Header { return &rr.Hdr } +func (rr *NSAPPTR) Header() *RR_Header { return &rr.Hdr } +func (rr *NSEC) Header() *RR_Header { return &rr.Hdr } +func (rr *NSEC3) Header() *RR_Header { return &rr.Hdr } +func (rr *NSEC3PARAM) Header() *RR_Header { return &rr.Hdr } +func (rr *NULL) Header() *RR_Header { return &rr.Hdr } +func (rr *OPENPGPKEY) Header() *RR_Header { return &rr.Hdr } +func (rr *OPT) Header() *RR_Header { return &rr.Hdr } +func (rr *PTR) Header() *RR_Header { return &rr.Hdr } +func (rr *PX) Header() *RR_Header { return &rr.Hdr } +func (rr *RFC3597) Header() *RR_Header { return &rr.Hdr } +func (rr *RKEY) Header() *RR_Header { return &rr.Hdr } +func (rr *RP) Header() *RR_Header { return &rr.Hdr } +func (rr *RRSIG) Header() *RR_Header { return &rr.Hdr } +func (rr *RT) Header() *RR_Header { return &rr.Hdr } +func (rr *SIG) Header() *RR_Header { return &rr.Hdr } +func (rr *SMIMEA) Header() *RR_Header { return &rr.Hdr } +func (rr *SOA) Header() *RR_Header { return &rr.Hdr } +func (rr *SPF) Header() *RR_Header { return &rr.Hdr } +func (rr *SRV) Header() *RR_Header { return &rr.Hdr } +func (rr *SSHFP) Header() *RR_Header { return &rr.Hdr } +func (rr *SVCB) Header() *RR_Header { return &rr.Hdr } +func (rr *TA) Header() *RR_Header { return &rr.Hdr } +func (rr *TALINK) Header() *RR_Header { return &rr.Hdr } +func (rr *TKEY) Header() *RR_Header { return &rr.Hdr } +func (rr *TLSA) Header() *RR_Header { return &rr.Hdr } +func (rr *TSIG) Header() *RR_Header { return &rr.Hdr } +func (rr *TXT) Header() *RR_Header { return &rr.Hdr } +func (rr *UID) Header() *RR_Header { return &rr.Hdr } +func (rr *UINFO) Header() *RR_Header { return &rr.Hdr } +func (rr *URI) Header() *RR_Header { return &rr.Hdr } +func (rr *X25) Header() *RR_Header { return &rr.Hdr } +func (rr *ZONEMD) Header() *RR_Header { return &rr.Hdr } + +// len() functions +func (rr *A) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + if len(rr.A) != 0 { + l += net.IPv4len + } + return l +} +func (rr *AAAA) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + if len(rr.AAAA) != 0 { + l += net.IPv6len + } + return l +} +func (rr *AFSDB) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Subtype + l += domainNameLen(rr.Hostname, off+l, compression, false) + return l +} +func (rr *ANY) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + return l +} +func (rr *APL) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + for _, x := range rr.Prefixes { + l += x.len() + } + return l +} +func (rr *AVC) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + for _, x := range rr.Txt { + l += len(x) + 1 + } + return l +} +func (rr *CAA) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l++ // Flag + l += len(rr.Tag) + 1 + l += len(rr.Value) + return l +} +func (rr *CERT) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Type + l += 2 // KeyTag + l++ // Algorithm + l += base64.StdEncoding.DecodedLen(len(rr.Certificate)) + return l +} +func (rr *CNAME) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Target, off+l, compression, true) + return l +} +func (rr *DHCID) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += base64.StdEncoding.DecodedLen(len(rr.Digest)) + return l +} +func (rr *DNAME) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Target, off+l, compression, false) + return l +} +func (rr *DNSKEY) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Flags + l++ // Protocol + l++ // Algorithm + l += base64.StdEncoding.DecodedLen(len(rr.PublicKey)) + return l +} +func (rr *DS) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // KeyTag + l++ // Algorithm + l++ // DigestType + l += len(rr.Digest) / 2 + return l +} +func (rr *EID) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += len(rr.Endpoint) / 2 + return l +} +func (rr *EUI48) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 6 // Address + return l +} +func (rr *EUI64) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 8 // Address + return l +} +func (rr *GID) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 4 // Gid + return l +} +func (rr *GPOS) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += len(rr.Longitude) + 1 + l += len(rr.Latitude) + 1 + l += len(rr.Altitude) + 1 + return l +} +func (rr *HINFO) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += len(rr.Cpu) + 1 + l += len(rr.Os) + 1 + return l +} +func (rr *HIP) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l++ // HitLength + l++ // PublicKeyAlgorithm + l += 2 // PublicKeyLength + l += len(rr.Hit) / 2 + l += base64.StdEncoding.DecodedLen(len(rr.PublicKey)) + for _, x := range rr.RendezvousServers { + l += domainNameLen(x, off+l, compression, false) + } + return l +} +func (rr *KX) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Preference + l += domainNameLen(rr.Exchanger, off+l, compression, false) + return l +} +func (rr *L32) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Preference + if len(rr.Locator32) != 0 { + l += net.IPv4len + } + return l +} +func (rr *L64) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Preference + l += 8 // Locator64 + return l +} +func (rr *LOC) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l++ // Version + l++ // Size + l++ // HorizPre + l++ // VertPre + l += 4 // Latitude + l += 4 // Longitude + l += 4 // Altitude + return l +} +func (rr *LP) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Preference + l += domainNameLen(rr.Fqdn, off+l, compression, false) + return l +} +func (rr *MB) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Mb, off+l, compression, true) + return l +} +func (rr *MD) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Md, off+l, compression, true) + return l +} +func (rr *MF) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Mf, off+l, compression, true) + return l +} +func (rr *MG) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Mg, off+l, compression, true) + return l +} +func (rr *MINFO) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Rmail, off+l, compression, true) + l += domainNameLen(rr.Email, off+l, compression, true) + return l +} +func (rr *MR) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Mr, off+l, compression, true) + return l +} +func (rr *MX) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Preference + l += domainNameLen(rr.Mx, off+l, compression, true) + return l +} +func (rr *NAPTR) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Order + l += 2 // Preference + l += len(rr.Flags) + 1 + l += len(rr.Service) + 1 + l += len(rr.Regexp) + 1 + l += domainNameLen(rr.Replacement, off+l, compression, false) + return l +} +func (rr *NID) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Preference + l += 8 // NodeID + return l +} +func (rr *NIMLOC) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += len(rr.Locator) / 2 + return l +} +func (rr *NINFO) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + for _, x := range rr.ZSData { + l += len(x) + 1 + } + return l +} +func (rr *NS) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Ns, off+l, compression, true) + return l +} +func (rr *NSAPPTR) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Ptr, off+l, compression, false) + return l +} +func (rr *NSEC3PARAM) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l++ // Hash + l++ // Flags + l += 2 // Iterations + l++ // SaltLength + l += len(rr.Salt) / 2 + return l +} +func (rr *NULL) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += len(rr.Data) + return l +} +func (rr *OPENPGPKEY) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += base64.StdEncoding.DecodedLen(len(rr.PublicKey)) + return l +} +func (rr *PTR) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Ptr, off+l, compression, true) + return l +} +func (rr *PX) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Preference + l += domainNameLen(rr.Map822, off+l, compression, false) + l += domainNameLen(rr.Mapx400, off+l, compression, false) + return l +} +func (rr *RFC3597) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += len(rr.Rdata) / 2 + return l +} +func (rr *RKEY) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Flags + l++ // Protocol + l++ // Algorithm + l += base64.StdEncoding.DecodedLen(len(rr.PublicKey)) + return l +} +func (rr *RP) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Mbox, off+l, compression, false) + l += domainNameLen(rr.Txt, off+l, compression, false) + return l +} +func (rr *RRSIG) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // TypeCovered + l++ // Algorithm + l++ // Labels + l += 4 // OrigTtl + l += 4 // Expiration + l += 4 // Inception + l += 2 // KeyTag + l += domainNameLen(rr.SignerName, off+l, compression, false) + l += base64.StdEncoding.DecodedLen(len(rr.Signature)) + return l +} +func (rr *RT) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Preference + l += domainNameLen(rr.Host, off+l, compression, false) + return l +} +func (rr *SMIMEA) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l++ // Usage + l++ // Selector + l++ // MatchingType + l += len(rr.Certificate) / 2 + return l +} +func (rr *SOA) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Ns, off+l, compression, true) + l += domainNameLen(rr.Mbox, off+l, compression, true) + l += 4 // Serial + l += 4 // Refresh + l += 4 // Retry + l += 4 // Expire + l += 4 // Minttl + return l +} +func (rr *SPF) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + for _, x := range rr.Txt { + l += len(x) + 1 + } + return l +} +func (rr *SRV) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Priority + l += 2 // Weight + l += 2 // Port + l += domainNameLen(rr.Target, off+l, compression, false) + return l +} +func (rr *SSHFP) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l++ // Algorithm + l++ // Type + l += len(rr.FingerPrint) / 2 + return l +} +func (rr *SVCB) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Priority + l += domainNameLen(rr.Target, off+l, compression, false) + for _, x := range rr.Value { + l += 4 + int(x.len()) + } + return l +} +func (rr *TA) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // KeyTag + l++ // Algorithm + l++ // DigestType + l += len(rr.Digest) / 2 + return l +} +func (rr *TALINK) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.PreviousName, off+l, compression, false) + l += domainNameLen(rr.NextName, off+l, compression, false) + return l +} +func (rr *TKEY) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Algorithm, off+l, compression, false) + l += 4 // Inception + l += 4 // Expiration + l += 2 // Mode + l += 2 // Error + l += 2 // KeySize + l += len(rr.Key) / 2 + l += 2 // OtherLen + l += len(rr.OtherData) / 2 + return l +} +func (rr *TLSA) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l++ // Usage + l++ // Selector + l++ // MatchingType + l += len(rr.Certificate) / 2 + return l +} +func (rr *TSIG) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += domainNameLen(rr.Algorithm, off+l, compression, false) + l += 6 // TimeSigned + l += 2 // Fudge + l += 2 // MACSize + l += len(rr.MAC) / 2 + l += 2 // OrigId + l += 2 // Error + l += 2 // OtherLen + l += len(rr.OtherData) / 2 + return l +} +func (rr *TXT) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + for _, x := range rr.Txt { + l += len(x) + 1 + } + return l +} +func (rr *UID) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 4 // Uid + return l +} +func (rr *UINFO) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += len(rr.Uinfo) + 1 + return l +} +func (rr *URI) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 2 // Priority + l += 2 // Weight + l += len(rr.Target) + return l +} +func (rr *X25) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += len(rr.PSDNAddress) + 1 + return l +} +func (rr *ZONEMD) len(off int, compression map[string]struct{}) int { + l := rr.Hdr.len(off, compression) + l += 4 // Serial + l++ // Scheme + l++ // Hash + l += len(rr.Digest) / 2 + return l +} + +// copy() functions +func (rr *A) copy() RR { + return &A{rr.Hdr, copyIP(rr.A)} +} +func (rr *AAAA) copy() RR { + return &AAAA{rr.Hdr, copyIP(rr.AAAA)} +} +func (rr *AFSDB) copy() RR { + return &AFSDB{rr.Hdr, rr.Subtype, rr.Hostname} +} +func (rr *ANY) copy() RR { + return &ANY{rr.Hdr} +} +func (rr *APL) copy() RR { + Prefixes := make([]APLPrefix, len(rr.Prefixes)) + for i, e := range rr.Prefixes { + Prefixes[i] = e.copy() + } + return &APL{rr.Hdr, Prefixes} +} +func (rr *AVC) copy() RR { + Txt := make([]string, len(rr.Txt)) + copy(Txt, rr.Txt) + return &AVC{rr.Hdr, Txt} +} +func (rr *CAA) copy() RR { + return &CAA{rr.Hdr, rr.Flag, rr.Tag, rr.Value} +} +func (rr *CDNSKEY) copy() RR { + return &CDNSKEY{*rr.DNSKEY.copy().(*DNSKEY)} +} +func (rr *CDS) copy() RR { + return &CDS{*rr.DS.copy().(*DS)} +} +func (rr *CERT) copy() RR { + return &CERT{rr.Hdr, rr.Type, rr.KeyTag, rr.Algorithm, rr.Certificate} +} +func (rr *CNAME) copy() RR { + return &CNAME{rr.Hdr, rr.Target} +} +func (rr *CSYNC) copy() RR { + TypeBitMap := make([]uint16, len(rr.TypeBitMap)) + copy(TypeBitMap, rr.TypeBitMap) + return &CSYNC{rr.Hdr, rr.Serial, rr.Flags, TypeBitMap} +} +func (rr *DHCID) copy() RR { + return &DHCID{rr.Hdr, rr.Digest} +} +func (rr *DLV) copy() RR { + return &DLV{*rr.DS.copy().(*DS)} +} +func (rr *DNAME) copy() RR { + return &DNAME{rr.Hdr, rr.Target} +} +func (rr *DNSKEY) copy() RR { + return &DNSKEY{rr.Hdr, rr.Flags, rr.Protocol, rr.Algorithm, rr.PublicKey} +} +func (rr *DS) copy() RR { + return &DS{rr.Hdr, rr.KeyTag, rr.Algorithm, rr.DigestType, rr.Digest} +} +func (rr *EID) copy() RR { + return &EID{rr.Hdr, rr.Endpoint} +} +func (rr *EUI48) copy() RR { + return &EUI48{rr.Hdr, rr.Address} +} +func (rr *EUI64) copy() RR { + return &EUI64{rr.Hdr, rr.Address} +} +func (rr *GID) copy() RR { + return &GID{rr.Hdr, rr.Gid} +} +func (rr *GPOS) copy() RR { + return &GPOS{rr.Hdr, rr.Longitude, rr.Latitude, rr.Altitude} +} +func (rr *HINFO) copy() RR { + return &HINFO{rr.Hdr, rr.Cpu, rr.Os} +} +func (rr *HIP) copy() RR { + RendezvousServers := make([]string, len(rr.RendezvousServers)) + copy(RendezvousServers, rr.RendezvousServers) + return &HIP{rr.Hdr, rr.HitLength, rr.PublicKeyAlgorithm, rr.PublicKeyLength, rr.Hit, rr.PublicKey, RendezvousServers} +} +func (rr *HTTPS) copy() RR { + return &HTTPS{*rr.SVCB.copy().(*SVCB)} +} +func (rr *KEY) copy() RR { + return &KEY{*rr.DNSKEY.copy().(*DNSKEY)} +} +func (rr *KX) copy() RR { + return &KX{rr.Hdr, rr.Preference, rr.Exchanger} +} +func (rr *L32) copy() RR { + return &L32{rr.Hdr, rr.Preference, copyIP(rr.Locator32)} +} +func (rr *L64) copy() RR { + return &L64{rr.Hdr, rr.Preference, rr.Locator64} +} +func (rr *LOC) copy() RR { + return &LOC{rr.Hdr, rr.Version, rr.Size, rr.HorizPre, rr.VertPre, rr.Latitude, rr.Longitude, rr.Altitude} +} +func (rr *LP) copy() RR { + return &LP{rr.Hdr, rr.Preference, rr.Fqdn} +} +func (rr *MB) copy() RR { + return &MB{rr.Hdr, rr.Mb} +} +func (rr *MD) copy() RR { + return &MD{rr.Hdr, rr.Md} +} +func (rr *MF) copy() RR { + return &MF{rr.Hdr, rr.Mf} +} +func (rr *MG) copy() RR { + return &MG{rr.Hdr, rr.Mg} +} +func (rr *MINFO) copy() RR { + return &MINFO{rr.Hdr, rr.Rmail, rr.Email} +} +func (rr *MR) copy() RR { + return &MR{rr.Hdr, rr.Mr} +} +func (rr *MX) copy() RR { + return &MX{rr.Hdr, rr.Preference, rr.Mx} +} +func (rr *NAPTR) copy() RR { + return &NAPTR{rr.Hdr, rr.Order, rr.Preference, rr.Flags, rr.Service, rr.Regexp, rr.Replacement} +} +func (rr *NID) copy() RR { + return &NID{rr.Hdr, rr.Preference, rr.NodeID} +} +func (rr *NIMLOC) copy() RR { + return &NIMLOC{rr.Hdr, rr.Locator} +} +func (rr *NINFO) copy() RR { + ZSData := make([]string, len(rr.ZSData)) + copy(ZSData, rr.ZSData) + return &NINFO{rr.Hdr, ZSData} +} +func (rr *NS) copy() RR { + return &NS{rr.Hdr, rr.Ns} +} +func (rr *NSAPPTR) copy() RR { + return &NSAPPTR{rr.Hdr, rr.Ptr} +} +func (rr *NSEC) copy() RR { + TypeBitMap := make([]uint16, len(rr.TypeBitMap)) + copy(TypeBitMap, rr.TypeBitMap) + return &NSEC{rr.Hdr, rr.NextDomain, TypeBitMap} +} +func (rr *NSEC3) copy() RR { + TypeBitMap := make([]uint16, len(rr.TypeBitMap)) + copy(TypeBitMap, rr.TypeBitMap) + return &NSEC3{rr.Hdr, rr.Hash, rr.Flags, rr.Iterations, rr.SaltLength, rr.Salt, rr.HashLength, rr.NextDomain, TypeBitMap} +} +func (rr *NSEC3PARAM) copy() RR { + return &NSEC3PARAM{rr.Hdr, rr.Hash, rr.Flags, rr.Iterations, rr.SaltLength, rr.Salt} +} +func (rr *NULL) copy() RR { + return &NULL{rr.Hdr, rr.Data} +} +func (rr *OPENPGPKEY) copy() RR { + return &OPENPGPKEY{rr.Hdr, rr.PublicKey} +} +func (rr *OPT) copy() RR { + Option := make([]EDNS0, len(rr.Option)) + for i, e := range rr.Option { + Option[i] = e.copy() + } + return &OPT{rr.Hdr, Option} +} +func (rr *PTR) copy() RR { + return &PTR{rr.Hdr, rr.Ptr} +} +func (rr *PX) copy() RR { + return &PX{rr.Hdr, rr.Preference, rr.Map822, rr.Mapx400} +} +func (rr *RFC3597) copy() RR { + return &RFC3597{rr.Hdr, rr.Rdata} +} +func (rr *RKEY) copy() RR { + return &RKEY{rr.Hdr, rr.Flags, rr.Protocol, rr.Algorithm, rr.PublicKey} +} +func (rr *RP) copy() RR { + return &RP{rr.Hdr, rr.Mbox, rr.Txt} +} +func (rr *RRSIG) copy() RR { + return &RRSIG{rr.Hdr, rr.TypeCovered, rr.Algorithm, rr.Labels, rr.OrigTtl, rr.Expiration, rr.Inception, rr.KeyTag, rr.SignerName, rr.Signature} +} +func (rr *RT) copy() RR { + return &RT{rr.Hdr, rr.Preference, rr.Host} +} +func (rr *SIG) copy() RR { + return &SIG{*rr.RRSIG.copy().(*RRSIG)} +} +func (rr *SMIMEA) copy() RR { + return &SMIMEA{rr.Hdr, rr.Usage, rr.Selector, rr.MatchingType, rr.Certificate} +} +func (rr *SOA) copy() RR { + return &SOA{rr.Hdr, rr.Ns, rr.Mbox, rr.Serial, rr.Refresh, rr.Retry, rr.Expire, rr.Minttl} +} +func (rr *SPF) copy() RR { + Txt := make([]string, len(rr.Txt)) + copy(Txt, rr.Txt) + return &SPF{rr.Hdr, Txt} +} +func (rr *SRV) copy() RR { + return &SRV{rr.Hdr, rr.Priority, rr.Weight, rr.Port, rr.Target} +} +func (rr *SSHFP) copy() RR { + return &SSHFP{rr.Hdr, rr.Algorithm, rr.Type, rr.FingerPrint} +} +func (rr *SVCB) copy() RR { + Value := make([]SVCBKeyValue, len(rr.Value)) + for i, e := range rr.Value { + Value[i] = e.copy() + } + return &SVCB{rr.Hdr, rr.Priority, rr.Target, Value} +} +func (rr *TA) copy() RR { + return &TA{rr.Hdr, rr.KeyTag, rr.Algorithm, rr.DigestType, rr.Digest} +} +func (rr *TALINK) copy() RR { + return &TALINK{rr.Hdr, rr.PreviousName, rr.NextName} +} +func (rr *TKEY) copy() RR { + return &TKEY{rr.Hdr, rr.Algorithm, rr.Inception, rr.Expiration, rr.Mode, rr.Error, rr.KeySize, rr.Key, rr.OtherLen, rr.OtherData} +} +func (rr *TLSA) copy() RR { + return &TLSA{rr.Hdr, rr.Usage, rr.Selector, rr.MatchingType, rr.Certificate} +} +func (rr *TSIG) copy() RR { + return &TSIG{rr.Hdr, rr.Algorithm, rr.TimeSigned, rr.Fudge, rr.MACSize, rr.MAC, rr.OrigId, rr.Error, rr.OtherLen, rr.OtherData} +} +func (rr *TXT) copy() RR { + Txt := make([]string, len(rr.Txt)) + copy(Txt, rr.Txt) + return &TXT{rr.Hdr, Txt} +} +func (rr *UID) copy() RR { + return &UID{rr.Hdr, rr.Uid} +} +func (rr *UINFO) copy() RR { + return &UINFO{rr.Hdr, rr.Uinfo} +} +func (rr *URI) copy() RR { + return &URI{rr.Hdr, rr.Priority, rr.Weight, rr.Target} +} +func (rr *X25) copy() RR { + return &X25{rr.Hdr, rr.PSDNAddress} +} +func (rr *ZONEMD) copy() RR { + return &ZONEMD{rr.Hdr, rr.Serial, rr.Scheme, rr.Hash, rr.Digest} +} diff --git a/vendor/golang.org/x/net/bpf/asm.go b/vendor/golang.org/x/net/bpf/asm.go new file mode 100644 index 000000000..15e21b181 --- /dev/null +++ b/vendor/golang.org/x/net/bpf/asm.go @@ -0,0 +1,41 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package bpf + +import "fmt" + +// Assemble converts insts into raw instructions suitable for loading +// into a BPF virtual machine. +// +// Currently, no optimization is attempted, the assembled program flow +// is exactly as provided. +func Assemble(insts []Instruction) ([]RawInstruction, error) { + ret := make([]RawInstruction, len(insts)) + var err error + for i, inst := range insts { + ret[i], err = inst.Assemble() + if err != nil { + return nil, fmt.Errorf("assembling instruction %d: %s", i+1, err) + } + } + return ret, nil +} + +// Disassemble attempts to parse raw back into +// Instructions. Unrecognized RawInstructions are assumed to be an +// extension not implemented by this package, and are passed through +// unchanged to the output. The allDecoded value reports whether insts +// contains no RawInstructions. +func Disassemble(raw []RawInstruction) (insts []Instruction, allDecoded bool) { + insts = make([]Instruction, len(raw)) + allDecoded = true + for i, r := range raw { + insts[i] = r.Disassemble() + if _, ok := insts[i].(RawInstruction); ok { + allDecoded = false + } + } + return insts, allDecoded +} diff --git a/vendor/golang.org/x/net/bpf/constants.go b/vendor/golang.org/x/net/bpf/constants.go new file mode 100644 index 000000000..12f3ee835 --- /dev/null +++ b/vendor/golang.org/x/net/bpf/constants.go @@ -0,0 +1,222 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package bpf + +// A Register is a register of the BPF virtual machine. +type Register uint16 + +const ( + // RegA is the accumulator register. RegA is always the + // destination register of ALU operations. + RegA Register = iota + // RegX is the indirection register, used by LoadIndirect + // operations. + RegX +) + +// An ALUOp is an arithmetic or logic operation. +type ALUOp uint16 + +// ALU binary operation types. +const ( + ALUOpAdd ALUOp = iota << 4 + ALUOpSub + ALUOpMul + ALUOpDiv + ALUOpOr + ALUOpAnd + ALUOpShiftLeft + ALUOpShiftRight + aluOpNeg // Not exported because it's the only unary ALU operation, and gets its own instruction type. + ALUOpMod + ALUOpXor +) + +// A JumpTest is a comparison operator used in conditional jumps. +type JumpTest uint16 + +// Supported operators for conditional jumps. +// K can be RegX for JumpIfX +const ( + // K == A + JumpEqual JumpTest = iota + // K != A + JumpNotEqual + // K > A + JumpGreaterThan + // K < A + JumpLessThan + // K >= A + JumpGreaterOrEqual + // K <= A + JumpLessOrEqual + // K & A != 0 + JumpBitsSet + // K & A == 0 + JumpBitsNotSet +) + +// An Extension is a function call provided by the kernel that +// performs advanced operations that are expensive or impossible +// within the BPF virtual machine. +// +// Extensions are only implemented by the Linux kernel. +// +// TODO: should we prune this list? Some of these extensions seem +// either broken or near-impossible to use correctly, whereas other +// (len, random, ifindex) are quite useful. +type Extension int + +// Extension functions available in the Linux kernel. +const ( + // extOffset is the negative maximum number of instructions used + // to load instructions by overloading the K argument. + extOffset = -0x1000 + // ExtLen returns the length of the packet. + ExtLen Extension = 1 + // ExtProto returns the packet's L3 protocol type. + ExtProto Extension = 0 + // ExtType returns the packet's type (skb->pkt_type in the kernel) + // + // TODO: better documentation. How nice an API do we want to + // provide for these esoteric extensions? + ExtType Extension = 4 + // ExtPayloadOffset returns the offset of the packet payload, or + // the first protocol header that the kernel does not know how to + // parse. + ExtPayloadOffset Extension = 52 + // ExtInterfaceIndex returns the index of the interface on which + // the packet was received. + ExtInterfaceIndex Extension = 8 + // ExtNetlinkAttr returns the netlink attribute of type X at + // offset A. + ExtNetlinkAttr Extension = 12 + // ExtNetlinkAttrNested returns the nested netlink attribute of + // type X at offset A. + ExtNetlinkAttrNested Extension = 16 + // ExtMark returns the packet's mark value. + ExtMark Extension = 20 + // ExtQueue returns the packet's assigned hardware queue. + ExtQueue Extension = 24 + // ExtLinkLayerType returns the packet's hardware address type + // (e.g. Ethernet, Infiniband). + ExtLinkLayerType Extension = 28 + // ExtRXHash returns the packets receive hash. + // + // TODO: figure out what this rxhash actually is. + ExtRXHash Extension = 32 + // ExtCPUID returns the ID of the CPU processing the current + // packet. + ExtCPUID Extension = 36 + // ExtVLANTag returns the packet's VLAN tag. + ExtVLANTag Extension = 44 + // ExtVLANTagPresent returns non-zero if the packet has a VLAN + // tag. + // + // TODO: I think this might be a lie: it reads bit 0x1000 of the + // VLAN header, which changed meaning in recent revisions of the + // spec - this extension may now return meaningless information. + ExtVLANTagPresent Extension = 48 + // ExtVLANProto returns 0x8100 if the frame has a VLAN header, + // 0x88a8 if the frame has a "Q-in-Q" double VLAN header, or some + // other value if no VLAN information is present. + ExtVLANProto Extension = 60 + // ExtRand returns a uniformly random uint32. + ExtRand Extension = 56 +) + +// The following gives names to various bit patterns used in opcode construction. + +const ( + opMaskCls uint16 = 0x7 + // opClsLoad masks + opMaskLoadDest = 0x01 + opMaskLoadWidth = 0x18 + opMaskLoadMode = 0xe0 + // opClsALU & opClsJump + opMaskOperand = 0x08 + opMaskOperator = 0xf0 +) + +const ( + // +---------------+-----------------+---+---+---+ + // | AddrMode (3b) | LoadWidth (2b) | 0 | 0 | 0 | + // +---------------+-----------------+---+---+---+ + opClsLoadA uint16 = iota + // +---------------+-----------------+---+---+---+ + // | AddrMode (3b) | LoadWidth (2b) | 0 | 0 | 1 | + // +---------------+-----------------+---+---+---+ + opClsLoadX + // +---+---+---+---+---+---+---+---+ + // | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | + // +---+---+---+---+---+---+---+---+ + opClsStoreA + // +---+---+---+---+---+---+---+---+ + // | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | + // +---+---+---+---+---+---+---+---+ + opClsStoreX + // +---------------+-----------------+---+---+---+ + // | Operator (4b) | OperandSrc (1b) | 1 | 0 | 0 | + // +---------------+-----------------+---+---+---+ + opClsALU + // +-----------------------------+---+---+---+---+ + // | TestOperator (4b) | 0 | 1 | 0 | 1 | + // +-----------------------------+---+---+---+---+ + opClsJump + // +---+-------------------------+---+---+---+---+ + // | 0 | 0 | 0 | RetSrc (1b) | 0 | 1 | 1 | 0 | + // +---+-------------------------+---+---+---+---+ + opClsReturn + // +---+-------------------------+---+---+---+---+ + // | 0 | 0 | 0 | TXAorTAX (1b) | 0 | 1 | 1 | 1 | + // +---+-------------------------+---+---+---+---+ + opClsMisc +) + +const ( + opAddrModeImmediate uint16 = iota << 5 + opAddrModeAbsolute + opAddrModeIndirect + opAddrModeScratch + opAddrModePacketLen // actually an extension, not an addressing mode. + opAddrModeMemShift +) + +const ( + opLoadWidth4 uint16 = iota << 3 + opLoadWidth2 + opLoadWidth1 +) + +// Operand for ALU and Jump instructions +type opOperand uint16 + +// Supported operand sources. +const ( + opOperandConstant opOperand = iota << 3 + opOperandX +) + +// An jumpOp is a conditional jump condition. +type jumpOp uint16 + +// Supported jump conditions. +const ( + opJumpAlways jumpOp = iota << 4 + opJumpEqual + opJumpGT + opJumpGE + opJumpSet +) + +const ( + opRetSrcConstant uint16 = iota << 4 + opRetSrcA +) + +const ( + opMiscTAX = 0x00 + opMiscTXA = 0x80 +) diff --git a/vendor/golang.org/x/net/bpf/doc.go b/vendor/golang.org/x/net/bpf/doc.go new file mode 100644 index 000000000..04ec1c8ab --- /dev/null +++ b/vendor/golang.org/x/net/bpf/doc.go @@ -0,0 +1,80 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +/* +Package bpf implements marshaling and unmarshaling of programs for the +Berkeley Packet Filter virtual machine, and provides a Go implementation +of the virtual machine. + +BPF's main use is to specify a packet filter for network taps, so that +the kernel doesn't have to expensively copy every packet it sees to +userspace. However, it's been repurposed to other areas where running +user code in-kernel is needed. For example, Linux's seccomp uses BPF +to apply security policies to system calls. For simplicity, this +documentation refers only to packets, but other uses of BPF have their +own data payloads. + +BPF programs run in a restricted virtual machine. It has almost no +access to kernel functions, and while conditional branches are +allowed, they can only jump forwards, to guarantee that there are no +infinite loops. + +# The virtual machine + +The BPF VM is an accumulator machine. Its main register, called +register A, is an implicit source and destination in all arithmetic +and logic operations. The machine also has 16 scratch registers for +temporary storage, and an indirection register (register X) for +indirect memory access. All registers are 32 bits wide. + +Each run of a BPF program is given one packet, which is placed in the +VM's read-only "main memory". LoadAbsolute and LoadIndirect +instructions can fetch up to 32 bits at a time into register A for +examination. + +The goal of a BPF program is to produce and return a verdict (uint32), +which tells the kernel what to do with the packet. In the context of +packet filtering, the returned value is the number of bytes of the +packet to forward to userspace, or 0 to ignore the packet. Other +contexts like seccomp define their own return values. + +In order to simplify programs, attempts to read past the end of the +packet terminate the program execution with a verdict of 0 (ignore +packet). This means that the vast majority of BPF programs don't need +to do any explicit bounds checking. + +In addition to the bytes of the packet, some BPF programs have access +to extensions, which are essentially calls to kernel utility +functions. Currently, the only extensions supported by this package +are the Linux packet filter extensions. + +# Examples + +This packet filter selects all ARP packets. + + bpf.Assemble([]bpf.Instruction{ + // Load "EtherType" field from the ethernet header. + bpf.LoadAbsolute{Off: 12, Size: 2}, + // Skip over the next instruction if EtherType is not ARP. + bpf.JumpIf{Cond: bpf.JumpNotEqual, Val: 0x0806, SkipTrue: 1}, + // Verdict is "send up to 4k of the packet to userspace." + bpf.RetConstant{Val: 4096}, + // Verdict is "ignore packet." + bpf.RetConstant{Val: 0}, + }) + +This packet filter captures a random 1% sample of traffic. + + bpf.Assemble([]bpf.Instruction{ + // Get a 32-bit random number from the Linux kernel. + bpf.LoadExtension{Num: bpf.ExtRand}, + // 1% dice roll? + bpf.JumpIf{Cond: bpf.JumpLessThan, Val: 2^32/100, SkipFalse: 1}, + // Capture. + bpf.RetConstant{Val: 4096}, + // Ignore. + bpf.RetConstant{Val: 0}, + }) +*/ +package bpf // import "golang.org/x/net/bpf" diff --git a/vendor/golang.org/x/net/bpf/instructions.go b/vendor/golang.org/x/net/bpf/instructions.go new file mode 100644 index 000000000..3cffcaa01 --- /dev/null +++ b/vendor/golang.org/x/net/bpf/instructions.go @@ -0,0 +1,726 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package bpf + +import "fmt" + +// An Instruction is one instruction executed by the BPF virtual +// machine. +type Instruction interface { + // Assemble assembles the Instruction into a RawInstruction. + Assemble() (RawInstruction, error) +} + +// A RawInstruction is a raw BPF virtual machine instruction. +type RawInstruction struct { + // Operation to execute. + Op uint16 + // For conditional jump instructions, the number of instructions + // to skip if the condition is true/false. + Jt uint8 + Jf uint8 + // Constant parameter. The meaning depends on the Op. + K uint32 +} + +// Assemble implements the Instruction Assemble method. +func (ri RawInstruction) Assemble() (RawInstruction, error) { return ri, nil } + +// Disassemble parses ri into an Instruction and returns it. If ri is +// not recognized by this package, ri itself is returned. +func (ri RawInstruction) Disassemble() Instruction { + switch ri.Op & opMaskCls { + case opClsLoadA, opClsLoadX: + reg := Register(ri.Op & opMaskLoadDest) + sz := 0 + switch ri.Op & opMaskLoadWidth { + case opLoadWidth4: + sz = 4 + case opLoadWidth2: + sz = 2 + case opLoadWidth1: + sz = 1 + default: + return ri + } + switch ri.Op & opMaskLoadMode { + case opAddrModeImmediate: + if sz != 4 { + return ri + } + return LoadConstant{Dst: reg, Val: ri.K} + case opAddrModeScratch: + if sz != 4 || ri.K > 15 { + return ri + } + return LoadScratch{Dst: reg, N: int(ri.K)} + case opAddrModeAbsolute: + if ri.K > extOffset+0xffffffff { + return LoadExtension{Num: Extension(-extOffset + ri.K)} + } + return LoadAbsolute{Size: sz, Off: ri.K} + case opAddrModeIndirect: + return LoadIndirect{Size: sz, Off: ri.K} + case opAddrModePacketLen: + if sz != 4 { + return ri + } + return LoadExtension{Num: ExtLen} + case opAddrModeMemShift: + return LoadMemShift{Off: ri.K} + default: + return ri + } + + case opClsStoreA: + if ri.Op != opClsStoreA || ri.K > 15 { + return ri + } + return StoreScratch{Src: RegA, N: int(ri.K)} + + case opClsStoreX: + if ri.Op != opClsStoreX || ri.K > 15 { + return ri + } + return StoreScratch{Src: RegX, N: int(ri.K)} + + case opClsALU: + switch op := ALUOp(ri.Op & opMaskOperator); op { + case ALUOpAdd, ALUOpSub, ALUOpMul, ALUOpDiv, ALUOpOr, ALUOpAnd, ALUOpShiftLeft, ALUOpShiftRight, ALUOpMod, ALUOpXor: + switch operand := opOperand(ri.Op & opMaskOperand); operand { + case opOperandX: + return ALUOpX{Op: op} + case opOperandConstant: + return ALUOpConstant{Op: op, Val: ri.K} + default: + return ri + } + case aluOpNeg: + return NegateA{} + default: + return ri + } + + case opClsJump: + switch op := jumpOp(ri.Op & opMaskOperator); op { + case opJumpAlways: + return Jump{Skip: ri.K} + case opJumpEqual, opJumpGT, opJumpGE, opJumpSet: + cond, skipTrue, skipFalse := jumpOpToTest(op, ri.Jt, ri.Jf) + switch operand := opOperand(ri.Op & opMaskOperand); operand { + case opOperandX: + return JumpIfX{Cond: cond, SkipTrue: skipTrue, SkipFalse: skipFalse} + case opOperandConstant: + return JumpIf{Cond: cond, Val: ri.K, SkipTrue: skipTrue, SkipFalse: skipFalse} + default: + return ri + } + default: + return ri + } + + case opClsReturn: + switch ri.Op { + case opClsReturn | opRetSrcA: + return RetA{} + case opClsReturn | opRetSrcConstant: + return RetConstant{Val: ri.K} + default: + return ri + } + + case opClsMisc: + switch ri.Op { + case opClsMisc | opMiscTAX: + return TAX{} + case opClsMisc | opMiscTXA: + return TXA{} + default: + return ri + } + + default: + panic("unreachable") // switch is exhaustive on the bit pattern + } +} + +func jumpOpToTest(op jumpOp, skipTrue uint8, skipFalse uint8) (JumpTest, uint8, uint8) { + var test JumpTest + + // Decode "fake" jump conditions that don't appear in machine code + // Ensures the Assemble -> Disassemble stage recreates the same instructions + // See https://github.com/golang/go/issues/18470 + if skipTrue == 0 { + switch op { + case opJumpEqual: + test = JumpNotEqual + case opJumpGT: + test = JumpLessOrEqual + case opJumpGE: + test = JumpLessThan + case opJumpSet: + test = JumpBitsNotSet + } + + return test, skipFalse, 0 + } + + switch op { + case opJumpEqual: + test = JumpEqual + case opJumpGT: + test = JumpGreaterThan + case opJumpGE: + test = JumpGreaterOrEqual + case opJumpSet: + test = JumpBitsSet + } + + return test, skipTrue, skipFalse +} + +// LoadConstant loads Val into register Dst. +type LoadConstant struct { + Dst Register + Val uint32 +} + +// Assemble implements the Instruction Assemble method. +func (a LoadConstant) Assemble() (RawInstruction, error) { + return assembleLoad(a.Dst, 4, opAddrModeImmediate, a.Val) +} + +// String returns the instruction in assembler notation. +func (a LoadConstant) String() string { + switch a.Dst { + case RegA: + return fmt.Sprintf("ld #%d", a.Val) + case RegX: + return fmt.Sprintf("ldx #%d", a.Val) + default: + return fmt.Sprintf("unknown instruction: %#v", a) + } +} + +// LoadScratch loads scratch[N] into register Dst. +type LoadScratch struct { + Dst Register + N int // 0-15 +} + +// Assemble implements the Instruction Assemble method. +func (a LoadScratch) Assemble() (RawInstruction, error) { + if a.N < 0 || a.N > 15 { + return RawInstruction{}, fmt.Errorf("invalid scratch slot %d", a.N) + } + return assembleLoad(a.Dst, 4, opAddrModeScratch, uint32(a.N)) +} + +// String returns the instruction in assembler notation. +func (a LoadScratch) String() string { + switch a.Dst { + case RegA: + return fmt.Sprintf("ld M[%d]", a.N) + case RegX: + return fmt.Sprintf("ldx M[%d]", a.N) + default: + return fmt.Sprintf("unknown instruction: %#v", a) + } +} + +// LoadAbsolute loads packet[Off:Off+Size] as an integer value into +// register A. +type LoadAbsolute struct { + Off uint32 + Size int // 1, 2 or 4 +} + +// Assemble implements the Instruction Assemble method. +func (a LoadAbsolute) Assemble() (RawInstruction, error) { + return assembleLoad(RegA, a.Size, opAddrModeAbsolute, a.Off) +} + +// String returns the instruction in assembler notation. +func (a LoadAbsolute) String() string { + switch a.Size { + case 1: // byte + return fmt.Sprintf("ldb [%d]", a.Off) + case 2: // half word + return fmt.Sprintf("ldh [%d]", a.Off) + case 4: // word + if a.Off > extOffset+0xffffffff { + return LoadExtension{Num: Extension(a.Off + 0x1000)}.String() + } + return fmt.Sprintf("ld [%d]", a.Off) + default: + return fmt.Sprintf("unknown instruction: %#v", a) + } +} + +// LoadIndirect loads packet[X+Off:X+Off+Size] as an integer value +// into register A. +type LoadIndirect struct { + Off uint32 + Size int // 1, 2 or 4 +} + +// Assemble implements the Instruction Assemble method. +func (a LoadIndirect) Assemble() (RawInstruction, error) { + return assembleLoad(RegA, a.Size, opAddrModeIndirect, a.Off) +} + +// String returns the instruction in assembler notation. +func (a LoadIndirect) String() string { + switch a.Size { + case 1: // byte + return fmt.Sprintf("ldb [x + %d]", a.Off) + case 2: // half word + return fmt.Sprintf("ldh [x + %d]", a.Off) + case 4: // word + return fmt.Sprintf("ld [x + %d]", a.Off) + default: + return fmt.Sprintf("unknown instruction: %#v", a) + } +} + +// LoadMemShift multiplies the first 4 bits of the byte at packet[Off] +// by 4 and stores the result in register X. +// +// This instruction is mainly useful to load into X the length of an +// IPv4 packet header in a single instruction, rather than have to do +// the arithmetic on the header's first byte by hand. +type LoadMemShift struct { + Off uint32 +} + +// Assemble implements the Instruction Assemble method. +func (a LoadMemShift) Assemble() (RawInstruction, error) { + return assembleLoad(RegX, 1, opAddrModeMemShift, a.Off) +} + +// String returns the instruction in assembler notation. +func (a LoadMemShift) String() string { + return fmt.Sprintf("ldx 4*([%d]&0xf)", a.Off) +} + +// LoadExtension invokes a linux-specific extension and stores the +// result in register A. +type LoadExtension struct { + Num Extension +} + +// Assemble implements the Instruction Assemble method. +func (a LoadExtension) Assemble() (RawInstruction, error) { + if a.Num == ExtLen { + return assembleLoad(RegA, 4, opAddrModePacketLen, 0) + } + return assembleLoad(RegA, 4, opAddrModeAbsolute, uint32(extOffset+a.Num)) +} + +// String returns the instruction in assembler notation. +func (a LoadExtension) String() string { + switch a.Num { + case ExtLen: + return "ld #len" + case ExtProto: + return "ld #proto" + case ExtType: + return "ld #type" + case ExtPayloadOffset: + return "ld #poff" + case ExtInterfaceIndex: + return "ld #ifidx" + case ExtNetlinkAttr: + return "ld #nla" + case ExtNetlinkAttrNested: + return "ld #nlan" + case ExtMark: + return "ld #mark" + case ExtQueue: + return "ld #queue" + case ExtLinkLayerType: + return "ld #hatype" + case ExtRXHash: + return "ld #rxhash" + case ExtCPUID: + return "ld #cpu" + case ExtVLANTag: + return "ld #vlan_tci" + case ExtVLANTagPresent: + return "ld #vlan_avail" + case ExtVLANProto: + return "ld #vlan_tpid" + case ExtRand: + return "ld #rand" + default: + return fmt.Sprintf("unknown instruction: %#v", a) + } +} + +// StoreScratch stores register Src into scratch[N]. +type StoreScratch struct { + Src Register + N int // 0-15 +} + +// Assemble implements the Instruction Assemble method. +func (a StoreScratch) Assemble() (RawInstruction, error) { + if a.N < 0 || a.N > 15 { + return RawInstruction{}, fmt.Errorf("invalid scratch slot %d", a.N) + } + var op uint16 + switch a.Src { + case RegA: + op = opClsStoreA + case RegX: + op = opClsStoreX + default: + return RawInstruction{}, fmt.Errorf("invalid source register %v", a.Src) + } + + return RawInstruction{ + Op: op, + K: uint32(a.N), + }, nil +} + +// String returns the instruction in assembler notation. +func (a StoreScratch) String() string { + switch a.Src { + case RegA: + return fmt.Sprintf("st M[%d]", a.N) + case RegX: + return fmt.Sprintf("stx M[%d]", a.N) + default: + return fmt.Sprintf("unknown instruction: %#v", a) + } +} + +// ALUOpConstant executes A = A Val. +type ALUOpConstant struct { + Op ALUOp + Val uint32 +} + +// Assemble implements the Instruction Assemble method. +func (a ALUOpConstant) Assemble() (RawInstruction, error) { + return RawInstruction{ + Op: opClsALU | uint16(opOperandConstant) | uint16(a.Op), + K: a.Val, + }, nil +} + +// String returns the instruction in assembler notation. +func (a ALUOpConstant) String() string { + switch a.Op { + case ALUOpAdd: + return fmt.Sprintf("add #%d", a.Val) + case ALUOpSub: + return fmt.Sprintf("sub #%d", a.Val) + case ALUOpMul: + return fmt.Sprintf("mul #%d", a.Val) + case ALUOpDiv: + return fmt.Sprintf("div #%d", a.Val) + case ALUOpMod: + return fmt.Sprintf("mod #%d", a.Val) + case ALUOpAnd: + return fmt.Sprintf("and #%d", a.Val) + case ALUOpOr: + return fmt.Sprintf("or #%d", a.Val) + case ALUOpXor: + return fmt.Sprintf("xor #%d", a.Val) + case ALUOpShiftLeft: + return fmt.Sprintf("lsh #%d", a.Val) + case ALUOpShiftRight: + return fmt.Sprintf("rsh #%d", a.Val) + default: + return fmt.Sprintf("unknown instruction: %#v", a) + } +} + +// ALUOpX executes A = A X +type ALUOpX struct { + Op ALUOp +} + +// Assemble implements the Instruction Assemble method. +func (a ALUOpX) Assemble() (RawInstruction, error) { + return RawInstruction{ + Op: opClsALU | uint16(opOperandX) | uint16(a.Op), + }, nil +} + +// String returns the instruction in assembler notation. +func (a ALUOpX) String() string { + switch a.Op { + case ALUOpAdd: + return "add x" + case ALUOpSub: + return "sub x" + case ALUOpMul: + return "mul x" + case ALUOpDiv: + return "div x" + case ALUOpMod: + return "mod x" + case ALUOpAnd: + return "and x" + case ALUOpOr: + return "or x" + case ALUOpXor: + return "xor x" + case ALUOpShiftLeft: + return "lsh x" + case ALUOpShiftRight: + return "rsh x" + default: + return fmt.Sprintf("unknown instruction: %#v", a) + } +} + +// NegateA executes A = -A. +type NegateA struct{} + +// Assemble implements the Instruction Assemble method. +func (a NegateA) Assemble() (RawInstruction, error) { + return RawInstruction{ + Op: opClsALU | uint16(aluOpNeg), + }, nil +} + +// String returns the instruction in assembler notation. +func (a NegateA) String() string { + return fmt.Sprintf("neg") +} + +// Jump skips the following Skip instructions in the program. +type Jump struct { + Skip uint32 +} + +// Assemble implements the Instruction Assemble method. +func (a Jump) Assemble() (RawInstruction, error) { + return RawInstruction{ + Op: opClsJump | uint16(opJumpAlways), + K: a.Skip, + }, nil +} + +// String returns the instruction in assembler notation. +func (a Jump) String() string { + return fmt.Sprintf("ja %d", a.Skip) +} + +// JumpIf skips the following Skip instructions in the program if A +// Val is true. +type JumpIf struct { + Cond JumpTest + Val uint32 + SkipTrue uint8 + SkipFalse uint8 +} + +// Assemble implements the Instruction Assemble method. +func (a JumpIf) Assemble() (RawInstruction, error) { + return jumpToRaw(a.Cond, opOperandConstant, a.Val, a.SkipTrue, a.SkipFalse) +} + +// String returns the instruction in assembler notation. +func (a JumpIf) String() string { + return jumpToString(a.Cond, fmt.Sprintf("#%d", a.Val), a.SkipTrue, a.SkipFalse) +} + +// JumpIfX skips the following Skip instructions in the program if A +// X is true. +type JumpIfX struct { + Cond JumpTest + SkipTrue uint8 + SkipFalse uint8 +} + +// Assemble implements the Instruction Assemble method. +func (a JumpIfX) Assemble() (RawInstruction, error) { + return jumpToRaw(a.Cond, opOperandX, 0, a.SkipTrue, a.SkipFalse) +} + +// String returns the instruction in assembler notation. +func (a JumpIfX) String() string { + return jumpToString(a.Cond, "x", a.SkipTrue, a.SkipFalse) +} + +// jumpToRaw assembles a jump instruction into a RawInstruction +func jumpToRaw(test JumpTest, operand opOperand, k uint32, skipTrue, skipFalse uint8) (RawInstruction, error) { + var ( + cond jumpOp + flip bool + ) + switch test { + case JumpEqual: + cond = opJumpEqual + case JumpNotEqual: + cond, flip = opJumpEqual, true + case JumpGreaterThan: + cond = opJumpGT + case JumpLessThan: + cond, flip = opJumpGE, true + case JumpGreaterOrEqual: + cond = opJumpGE + case JumpLessOrEqual: + cond, flip = opJumpGT, true + case JumpBitsSet: + cond = opJumpSet + case JumpBitsNotSet: + cond, flip = opJumpSet, true + default: + return RawInstruction{}, fmt.Errorf("unknown JumpTest %v", test) + } + jt, jf := skipTrue, skipFalse + if flip { + jt, jf = jf, jt + } + return RawInstruction{ + Op: opClsJump | uint16(cond) | uint16(operand), + Jt: jt, + Jf: jf, + K: k, + }, nil +} + +// jumpToString converts a jump instruction to assembler notation +func jumpToString(cond JumpTest, operand string, skipTrue, skipFalse uint8) string { + switch cond { + // K == A + case JumpEqual: + return conditionalJump(operand, skipTrue, skipFalse, "jeq", "jneq") + // K != A + case JumpNotEqual: + return fmt.Sprintf("jneq %s,%d", operand, skipTrue) + // K > A + case JumpGreaterThan: + return conditionalJump(operand, skipTrue, skipFalse, "jgt", "jle") + // K < A + case JumpLessThan: + return fmt.Sprintf("jlt %s,%d", operand, skipTrue) + // K >= A + case JumpGreaterOrEqual: + return conditionalJump(operand, skipTrue, skipFalse, "jge", "jlt") + // K <= A + case JumpLessOrEqual: + return fmt.Sprintf("jle %s,%d", operand, skipTrue) + // K & A != 0 + case JumpBitsSet: + if skipFalse > 0 { + return fmt.Sprintf("jset %s,%d,%d", operand, skipTrue, skipFalse) + } + return fmt.Sprintf("jset %s,%d", operand, skipTrue) + // K & A == 0, there is no assembler instruction for JumpBitNotSet, use JumpBitSet and invert skips + case JumpBitsNotSet: + return jumpToString(JumpBitsSet, operand, skipFalse, skipTrue) + default: + return fmt.Sprintf("unknown JumpTest %#v", cond) + } +} + +func conditionalJump(operand string, skipTrue, skipFalse uint8, positiveJump, negativeJump string) string { + if skipTrue > 0 { + if skipFalse > 0 { + return fmt.Sprintf("%s %s,%d,%d", positiveJump, operand, skipTrue, skipFalse) + } + return fmt.Sprintf("%s %s,%d", positiveJump, operand, skipTrue) + } + return fmt.Sprintf("%s %s,%d", negativeJump, operand, skipFalse) +} + +// RetA exits the BPF program, returning the value of register A. +type RetA struct{} + +// Assemble implements the Instruction Assemble method. +func (a RetA) Assemble() (RawInstruction, error) { + return RawInstruction{ + Op: opClsReturn | opRetSrcA, + }, nil +} + +// String returns the instruction in assembler notation. +func (a RetA) String() string { + return fmt.Sprintf("ret a") +} + +// RetConstant exits the BPF program, returning a constant value. +type RetConstant struct { + Val uint32 +} + +// Assemble implements the Instruction Assemble method. +func (a RetConstant) Assemble() (RawInstruction, error) { + return RawInstruction{ + Op: opClsReturn | opRetSrcConstant, + K: a.Val, + }, nil +} + +// String returns the instruction in assembler notation. +func (a RetConstant) String() string { + return fmt.Sprintf("ret #%d", a.Val) +} + +// TXA copies the value of register X to register A. +type TXA struct{} + +// Assemble implements the Instruction Assemble method. +func (a TXA) Assemble() (RawInstruction, error) { + return RawInstruction{ + Op: opClsMisc | opMiscTXA, + }, nil +} + +// String returns the instruction in assembler notation. +func (a TXA) String() string { + return fmt.Sprintf("txa") +} + +// TAX copies the value of register A to register X. +type TAX struct{} + +// Assemble implements the Instruction Assemble method. +func (a TAX) Assemble() (RawInstruction, error) { + return RawInstruction{ + Op: opClsMisc | opMiscTAX, + }, nil +} + +// String returns the instruction in assembler notation. +func (a TAX) String() string { + return fmt.Sprintf("tax") +} + +func assembleLoad(dst Register, loadSize int, mode uint16, k uint32) (RawInstruction, error) { + var ( + cls uint16 + sz uint16 + ) + switch dst { + case RegA: + cls = opClsLoadA + case RegX: + cls = opClsLoadX + default: + return RawInstruction{}, fmt.Errorf("invalid target register %v", dst) + } + switch loadSize { + case 1: + sz = opLoadWidth1 + case 2: + sz = opLoadWidth2 + case 4: + sz = opLoadWidth4 + default: + return RawInstruction{}, fmt.Errorf("invalid load byte length %d", sz) + } + return RawInstruction{ + Op: cls | sz | mode, + K: k, + }, nil +} diff --git a/vendor/golang.org/x/net/bpf/setter.go b/vendor/golang.org/x/net/bpf/setter.go new file mode 100644 index 000000000..43e35f0ac --- /dev/null +++ b/vendor/golang.org/x/net/bpf/setter.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package bpf + +// A Setter is a type which can attach a compiled BPF filter to itself. +type Setter interface { + SetBPF(filter []RawInstruction) error +} diff --git a/vendor/golang.org/x/net/bpf/vm.go b/vendor/golang.org/x/net/bpf/vm.go new file mode 100644 index 000000000..73f57f1f7 --- /dev/null +++ b/vendor/golang.org/x/net/bpf/vm.go @@ -0,0 +1,150 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package bpf + +import ( + "errors" + "fmt" +) + +// A VM is an emulated BPF virtual machine. +type VM struct { + filter []Instruction +} + +// NewVM returns a new VM using the input BPF program. +func NewVM(filter []Instruction) (*VM, error) { + if len(filter) == 0 { + return nil, errors.New("one or more Instructions must be specified") + } + + for i, ins := range filter { + check := len(filter) - (i + 1) + switch ins := ins.(type) { + // Check for out-of-bounds jumps in instructions + case Jump: + if check <= int(ins.Skip) { + return nil, fmt.Errorf("cannot jump %d instructions; jumping past program bounds", ins.Skip) + } + case JumpIf: + if check <= int(ins.SkipTrue) { + return nil, fmt.Errorf("cannot jump %d instructions in true case; jumping past program bounds", ins.SkipTrue) + } + if check <= int(ins.SkipFalse) { + return nil, fmt.Errorf("cannot jump %d instructions in false case; jumping past program bounds", ins.SkipFalse) + } + case JumpIfX: + if check <= int(ins.SkipTrue) { + return nil, fmt.Errorf("cannot jump %d instructions in true case; jumping past program bounds", ins.SkipTrue) + } + if check <= int(ins.SkipFalse) { + return nil, fmt.Errorf("cannot jump %d instructions in false case; jumping past program bounds", ins.SkipFalse) + } + // Check for division or modulus by zero + case ALUOpConstant: + if ins.Val != 0 { + break + } + + switch ins.Op { + case ALUOpDiv, ALUOpMod: + return nil, errors.New("cannot divide by zero using ALUOpConstant") + } + // Check for unknown extensions + case LoadExtension: + switch ins.Num { + case ExtLen: + default: + return nil, fmt.Errorf("extension %d not implemented", ins.Num) + } + } + } + + // Make sure last instruction is a return instruction + switch filter[len(filter)-1].(type) { + case RetA, RetConstant: + default: + return nil, errors.New("BPF program must end with RetA or RetConstant") + } + + // Though our VM works using disassembled instructions, we + // attempt to assemble the input filter anyway to ensure it is compatible + // with an operating system VM. + _, err := Assemble(filter) + + return &VM{ + filter: filter, + }, err +} + +// Run runs the VM's BPF program against the input bytes. +// Run returns the number of bytes accepted by the BPF program, and any errors +// which occurred while processing the program. +func (v *VM) Run(in []byte) (int, error) { + var ( + // Registers of the virtual machine + regA uint32 + regX uint32 + regScratch [16]uint32 + + // OK is true if the program should continue processing the next + // instruction, or false if not, causing the loop to break + ok = true + ) + + // TODO(mdlayher): implement: + // - NegateA: + // - would require a change from uint32 registers to int32 + // registers + + // TODO(mdlayher): add interop tests that check signedness of ALU + // operations against kernel implementation, and make sure Go + // implementation matches behavior + + for i := 0; i < len(v.filter) && ok; i++ { + ins := v.filter[i] + + switch ins := ins.(type) { + case ALUOpConstant: + regA = aluOpConstant(ins, regA) + case ALUOpX: + regA, ok = aluOpX(ins, regA, regX) + case Jump: + i += int(ins.Skip) + case JumpIf: + jump := jumpIf(ins, regA) + i += jump + case JumpIfX: + jump := jumpIfX(ins, regA, regX) + i += jump + case LoadAbsolute: + regA, ok = loadAbsolute(ins, in) + case LoadConstant: + regA, regX = loadConstant(ins, regA, regX) + case LoadExtension: + regA = loadExtension(ins, in) + case LoadIndirect: + regA, ok = loadIndirect(ins, in, regX) + case LoadMemShift: + regX, ok = loadMemShift(ins, in) + case LoadScratch: + regA, regX = loadScratch(ins, regScratch, regA, regX) + case RetA: + return int(regA), nil + case RetConstant: + return int(ins.Val), nil + case StoreScratch: + regScratch = storeScratch(ins, regScratch, regA, regX) + case TAX: + regX = regA + case TXA: + regA = regX + default: + return 0, fmt.Errorf("unknown Instruction at index %d: %T", i, ins) + } + } + + return 0, nil +} diff --git a/vendor/golang.org/x/net/bpf/vm_instructions.go b/vendor/golang.org/x/net/bpf/vm_instructions.go new file mode 100644 index 000000000..cf8947c33 --- /dev/null +++ b/vendor/golang.org/x/net/bpf/vm_instructions.go @@ -0,0 +1,182 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package bpf + +import ( + "encoding/binary" + "fmt" +) + +func aluOpConstant(ins ALUOpConstant, regA uint32) uint32 { + return aluOpCommon(ins.Op, regA, ins.Val) +} + +func aluOpX(ins ALUOpX, regA uint32, regX uint32) (uint32, bool) { + // Guard against division or modulus by zero by terminating + // the program, as the OS BPF VM does + if regX == 0 { + switch ins.Op { + case ALUOpDiv, ALUOpMod: + return 0, false + } + } + + return aluOpCommon(ins.Op, regA, regX), true +} + +func aluOpCommon(op ALUOp, regA uint32, value uint32) uint32 { + switch op { + case ALUOpAdd: + return regA + value + case ALUOpSub: + return regA - value + case ALUOpMul: + return regA * value + case ALUOpDiv: + // Division by zero not permitted by NewVM and aluOpX checks + return regA / value + case ALUOpOr: + return regA | value + case ALUOpAnd: + return regA & value + case ALUOpShiftLeft: + return regA << value + case ALUOpShiftRight: + return regA >> value + case ALUOpMod: + // Modulus by zero not permitted by NewVM and aluOpX checks + return regA % value + case ALUOpXor: + return regA ^ value + default: + return regA + } +} + +func jumpIf(ins JumpIf, regA uint32) int { + return jumpIfCommon(ins.Cond, ins.SkipTrue, ins.SkipFalse, regA, ins.Val) +} + +func jumpIfX(ins JumpIfX, regA uint32, regX uint32) int { + return jumpIfCommon(ins.Cond, ins.SkipTrue, ins.SkipFalse, regA, regX) +} + +func jumpIfCommon(cond JumpTest, skipTrue, skipFalse uint8, regA uint32, value uint32) int { + var ok bool + + switch cond { + case JumpEqual: + ok = regA == value + case JumpNotEqual: + ok = regA != value + case JumpGreaterThan: + ok = regA > value + case JumpLessThan: + ok = regA < value + case JumpGreaterOrEqual: + ok = regA >= value + case JumpLessOrEqual: + ok = regA <= value + case JumpBitsSet: + ok = (regA & value) != 0 + case JumpBitsNotSet: + ok = (regA & value) == 0 + } + + if ok { + return int(skipTrue) + } + + return int(skipFalse) +} + +func loadAbsolute(ins LoadAbsolute, in []byte) (uint32, bool) { + offset := int(ins.Off) + size := int(ins.Size) + + return loadCommon(in, offset, size) +} + +func loadConstant(ins LoadConstant, regA uint32, regX uint32) (uint32, uint32) { + switch ins.Dst { + case RegA: + regA = ins.Val + case RegX: + regX = ins.Val + } + + return regA, regX +} + +func loadExtension(ins LoadExtension, in []byte) uint32 { + switch ins.Num { + case ExtLen: + return uint32(len(in)) + default: + panic(fmt.Sprintf("unimplemented extension: %d", ins.Num)) + } +} + +func loadIndirect(ins LoadIndirect, in []byte, regX uint32) (uint32, bool) { + offset := int(ins.Off) + int(regX) + size := int(ins.Size) + + return loadCommon(in, offset, size) +} + +func loadMemShift(ins LoadMemShift, in []byte) (uint32, bool) { + offset := int(ins.Off) + + // Size of LoadMemShift is always 1 byte + if !inBounds(len(in), offset, 1) { + return 0, false + } + + // Mask off high 4 bits and multiply low 4 bits by 4 + return uint32(in[offset]&0x0f) * 4, true +} + +func inBounds(inLen int, offset int, size int) bool { + return offset+size <= inLen +} + +func loadCommon(in []byte, offset int, size int) (uint32, bool) { + if !inBounds(len(in), offset, size) { + return 0, false + } + + switch size { + case 1: + return uint32(in[offset]), true + case 2: + return uint32(binary.BigEndian.Uint16(in[offset : offset+size])), true + case 4: + return uint32(binary.BigEndian.Uint32(in[offset : offset+size])), true + default: + panic(fmt.Sprintf("invalid load size: %d", size)) + } +} + +func loadScratch(ins LoadScratch, regScratch [16]uint32, regA uint32, regX uint32) (uint32, uint32) { + switch ins.Dst { + case RegA: + regA = regScratch[ins.N] + case RegX: + regX = regScratch[ins.N] + } + + return regA, regX +} + +func storeScratch(ins StoreScratch, regScratch [16]uint32, regA uint32, regX uint32) [16]uint32 { + switch ins.Src { + case RegA: + regScratch[ins.N] = regA + case RegX: + regScratch[ins.N] = regX + } + + return regScratch +} diff --git a/vendor/golang.org/x/net/internal/iana/const.go b/vendor/golang.org/x/net/internal/iana/const.go new file mode 100644 index 000000000..cea712fac --- /dev/null +++ b/vendor/golang.org/x/net/internal/iana/const.go @@ -0,0 +1,223 @@ +// go generate gen.go +// Code generated by the command above; DO NOT EDIT. + +// Package iana provides protocol number resources managed by the Internet Assigned Numbers Authority (IANA). +package iana // import "golang.org/x/net/internal/iana" + +// Differentiated Services Field Codepoints (DSCP), Updated: 2018-05-04 +const ( + DiffServCS0 = 0x00 // CS0 + DiffServCS1 = 0x20 // CS1 + DiffServCS2 = 0x40 // CS2 + DiffServCS3 = 0x60 // CS3 + DiffServCS4 = 0x80 // CS4 + DiffServCS5 = 0xa0 // CS5 + DiffServCS6 = 0xc0 // CS6 + DiffServCS7 = 0xe0 // CS7 + DiffServAF11 = 0x28 // AF11 + DiffServAF12 = 0x30 // AF12 + DiffServAF13 = 0x38 // AF13 + DiffServAF21 = 0x48 // AF21 + DiffServAF22 = 0x50 // AF22 + DiffServAF23 = 0x58 // AF23 + DiffServAF31 = 0x68 // AF31 + DiffServAF32 = 0x70 // AF32 + DiffServAF33 = 0x78 // AF33 + DiffServAF41 = 0x88 // AF41 + DiffServAF42 = 0x90 // AF42 + DiffServAF43 = 0x98 // AF43 + DiffServEF = 0xb8 // EF + DiffServVOICEADMIT = 0xb0 // VOICE-ADMIT + NotECNTransport = 0x00 // Not-ECT (Not ECN-Capable Transport) + ECNTransport1 = 0x01 // ECT(1) (ECN-Capable Transport(1)) + ECNTransport0 = 0x02 // ECT(0) (ECN-Capable Transport(0)) + CongestionExperienced = 0x03 // CE (Congestion Experienced) +) + +// Protocol Numbers, Updated: 2017-10-13 +const ( + ProtocolIP = 0 // IPv4 encapsulation, pseudo protocol number + ProtocolHOPOPT = 0 // IPv6 Hop-by-Hop Option + ProtocolICMP = 1 // Internet Control Message + ProtocolIGMP = 2 // Internet Group Management + ProtocolGGP = 3 // Gateway-to-Gateway + ProtocolIPv4 = 4 // IPv4 encapsulation + ProtocolST = 5 // Stream + ProtocolTCP = 6 // Transmission Control + ProtocolCBT = 7 // CBT + ProtocolEGP = 8 // Exterior Gateway Protocol + ProtocolIGP = 9 // any private interior gateway (used by Cisco for their IGRP) + ProtocolBBNRCCMON = 10 // BBN RCC Monitoring + ProtocolNVPII = 11 // Network Voice Protocol + ProtocolPUP = 12 // PUP + ProtocolEMCON = 14 // EMCON + ProtocolXNET = 15 // Cross Net Debugger + ProtocolCHAOS = 16 // Chaos + ProtocolUDP = 17 // User Datagram + ProtocolMUX = 18 // Multiplexing + ProtocolDCNMEAS = 19 // DCN Measurement Subsystems + ProtocolHMP = 20 // Host Monitoring + ProtocolPRM = 21 // Packet Radio Measurement + ProtocolXNSIDP = 22 // XEROX NS IDP + ProtocolTRUNK1 = 23 // Trunk-1 + ProtocolTRUNK2 = 24 // Trunk-2 + ProtocolLEAF1 = 25 // Leaf-1 + ProtocolLEAF2 = 26 // Leaf-2 + ProtocolRDP = 27 // Reliable Data Protocol + ProtocolIRTP = 28 // Internet Reliable Transaction + ProtocolISOTP4 = 29 // ISO Transport Protocol Class 4 + ProtocolNETBLT = 30 // Bulk Data Transfer Protocol + ProtocolMFENSP = 31 // MFE Network Services Protocol + ProtocolMERITINP = 32 // MERIT Internodal Protocol + ProtocolDCCP = 33 // Datagram Congestion Control Protocol + Protocol3PC = 34 // Third Party Connect Protocol + ProtocolIDPR = 35 // Inter-Domain Policy Routing Protocol + ProtocolXTP = 36 // XTP + ProtocolDDP = 37 // Datagram Delivery Protocol + ProtocolIDPRCMTP = 38 // IDPR Control Message Transport Proto + ProtocolTPPP = 39 // TP++ Transport Protocol + ProtocolIL = 40 // IL Transport Protocol + ProtocolIPv6 = 41 // IPv6 encapsulation + ProtocolSDRP = 42 // Source Demand Routing Protocol + ProtocolIPv6Route = 43 // Routing Header for IPv6 + ProtocolIPv6Frag = 44 // Fragment Header for IPv6 + ProtocolIDRP = 45 // Inter-Domain Routing Protocol + ProtocolRSVP = 46 // Reservation Protocol + ProtocolGRE = 47 // Generic Routing Encapsulation + ProtocolDSR = 48 // Dynamic Source Routing Protocol + ProtocolBNA = 49 // BNA + ProtocolESP = 50 // Encap Security Payload + ProtocolAH = 51 // Authentication Header + ProtocolINLSP = 52 // Integrated Net Layer Security TUBA + ProtocolNARP = 54 // NBMA Address Resolution Protocol + ProtocolMOBILE = 55 // IP Mobility + ProtocolTLSP = 56 // Transport Layer Security Protocol using Kryptonet key management + ProtocolSKIP = 57 // SKIP + ProtocolIPv6ICMP = 58 // ICMP for IPv6 + ProtocolIPv6NoNxt = 59 // No Next Header for IPv6 + ProtocolIPv6Opts = 60 // Destination Options for IPv6 + ProtocolCFTP = 62 // CFTP + ProtocolSATEXPAK = 64 // SATNET and Backroom EXPAK + ProtocolKRYPTOLAN = 65 // Kryptolan + ProtocolRVD = 66 // MIT Remote Virtual Disk Protocol + ProtocolIPPC = 67 // Internet Pluribus Packet Core + ProtocolSATMON = 69 // SATNET Monitoring + ProtocolVISA = 70 // VISA Protocol + ProtocolIPCV = 71 // Internet Packet Core Utility + ProtocolCPNX = 72 // Computer Protocol Network Executive + ProtocolCPHB = 73 // Computer Protocol Heart Beat + ProtocolWSN = 74 // Wang Span Network + ProtocolPVP = 75 // Packet Video Protocol + ProtocolBRSATMON = 76 // Backroom SATNET Monitoring + ProtocolSUNND = 77 // SUN ND PROTOCOL-Temporary + ProtocolWBMON = 78 // WIDEBAND Monitoring + ProtocolWBEXPAK = 79 // WIDEBAND EXPAK + ProtocolISOIP = 80 // ISO Internet Protocol + ProtocolVMTP = 81 // VMTP + ProtocolSECUREVMTP = 82 // SECURE-VMTP + ProtocolVINES = 83 // VINES + ProtocolTTP = 84 // Transaction Transport Protocol + ProtocolIPTM = 84 // Internet Protocol Traffic Manager + ProtocolNSFNETIGP = 85 // NSFNET-IGP + ProtocolDGP = 86 // Dissimilar Gateway Protocol + ProtocolTCF = 87 // TCF + ProtocolEIGRP = 88 // EIGRP + ProtocolOSPFIGP = 89 // OSPFIGP + ProtocolSpriteRPC = 90 // Sprite RPC Protocol + ProtocolLARP = 91 // Locus Address Resolution Protocol + ProtocolMTP = 92 // Multicast Transport Protocol + ProtocolAX25 = 93 // AX.25 Frames + ProtocolIPIP = 94 // IP-within-IP Encapsulation Protocol + ProtocolSCCSP = 96 // Semaphore Communications Sec. Pro. + ProtocolETHERIP = 97 // Ethernet-within-IP Encapsulation + ProtocolENCAP = 98 // Encapsulation Header + ProtocolGMTP = 100 // GMTP + ProtocolIFMP = 101 // Ipsilon Flow Management Protocol + ProtocolPNNI = 102 // PNNI over IP + ProtocolPIM = 103 // Protocol Independent Multicast + ProtocolARIS = 104 // ARIS + ProtocolSCPS = 105 // SCPS + ProtocolQNX = 106 // QNX + ProtocolAN = 107 // Active Networks + ProtocolIPComp = 108 // IP Payload Compression Protocol + ProtocolSNP = 109 // Sitara Networks Protocol + ProtocolCompaqPeer = 110 // Compaq Peer Protocol + ProtocolIPXinIP = 111 // IPX in IP + ProtocolVRRP = 112 // Virtual Router Redundancy Protocol + ProtocolPGM = 113 // PGM Reliable Transport Protocol + ProtocolL2TP = 115 // Layer Two Tunneling Protocol + ProtocolDDX = 116 // D-II Data Exchange (DDX) + ProtocolIATP = 117 // Interactive Agent Transfer Protocol + ProtocolSTP = 118 // Schedule Transfer Protocol + ProtocolSRP = 119 // SpectraLink Radio Protocol + ProtocolUTI = 120 // UTI + ProtocolSMP = 121 // Simple Message Protocol + ProtocolPTP = 123 // Performance Transparency Protocol + ProtocolISIS = 124 // ISIS over IPv4 + ProtocolFIRE = 125 // FIRE + ProtocolCRTP = 126 // Combat Radio Transport Protocol + ProtocolCRUDP = 127 // Combat Radio User Datagram + ProtocolSSCOPMCE = 128 // SSCOPMCE + ProtocolIPLT = 129 // IPLT + ProtocolSPS = 130 // Secure Packet Shield + ProtocolPIPE = 131 // Private IP Encapsulation within IP + ProtocolSCTP = 132 // Stream Control Transmission Protocol + ProtocolFC = 133 // Fibre Channel + ProtocolRSVPE2EIGNORE = 134 // RSVP-E2E-IGNORE + ProtocolMobilityHeader = 135 // Mobility Header + ProtocolUDPLite = 136 // UDPLite + ProtocolMPLSinIP = 137 // MPLS-in-IP + ProtocolMANET = 138 // MANET Protocols + ProtocolHIP = 139 // Host Identity Protocol + ProtocolShim6 = 140 // Shim6 Protocol + ProtocolWESP = 141 // Wrapped Encapsulating Security Payload + ProtocolROHC = 142 // Robust Header Compression + ProtocolReserved = 255 // Reserved +) + +// Address Family Numbers, Updated: 2018-04-02 +const ( + AddrFamilyIPv4 = 1 // IP (IP version 4) + AddrFamilyIPv6 = 2 // IP6 (IP version 6) + AddrFamilyNSAP = 3 // NSAP + AddrFamilyHDLC = 4 // HDLC (8-bit multidrop) + AddrFamilyBBN1822 = 5 // BBN 1822 + AddrFamily802 = 6 // 802 (includes all 802 media plus Ethernet "canonical format") + AddrFamilyE163 = 7 // E.163 + AddrFamilyE164 = 8 // E.164 (SMDS, Frame Relay, ATM) + AddrFamilyF69 = 9 // F.69 (Telex) + AddrFamilyX121 = 10 // X.121 (X.25, Frame Relay) + AddrFamilyIPX = 11 // IPX + AddrFamilyAppletalk = 12 // Appletalk + AddrFamilyDecnetIV = 13 // Decnet IV + AddrFamilyBanyanVines = 14 // Banyan Vines + AddrFamilyE164withSubaddress = 15 // E.164 with NSAP format subaddress + AddrFamilyDNS = 16 // DNS (Domain Name System) + AddrFamilyDistinguishedName = 17 // Distinguished Name + AddrFamilyASNumber = 18 // AS Number + AddrFamilyXTPoverIPv4 = 19 // XTP over IP version 4 + AddrFamilyXTPoverIPv6 = 20 // XTP over IP version 6 + AddrFamilyXTPnativemodeXTP = 21 // XTP native mode XTP + AddrFamilyFibreChannelWorldWidePortName = 22 // Fibre Channel World-Wide Port Name + AddrFamilyFibreChannelWorldWideNodeName = 23 // Fibre Channel World-Wide Node Name + AddrFamilyGWID = 24 // GWID + AddrFamilyL2VPN = 25 // AFI for L2VPN information + AddrFamilyMPLSTPSectionEndpointID = 26 // MPLS-TP Section Endpoint Identifier + AddrFamilyMPLSTPLSPEndpointID = 27 // MPLS-TP LSP Endpoint Identifier + AddrFamilyMPLSTPPseudowireEndpointID = 28 // MPLS-TP Pseudowire Endpoint Identifier + AddrFamilyMTIPv4 = 29 // MT IP: Multi-Topology IP version 4 + AddrFamilyMTIPv6 = 30 // MT IPv6: Multi-Topology IP version 6 + AddrFamilyEIGRPCommonServiceFamily = 16384 // EIGRP Common Service Family + AddrFamilyEIGRPIPv4ServiceFamily = 16385 // EIGRP IPv4 Service Family + AddrFamilyEIGRPIPv6ServiceFamily = 16386 // EIGRP IPv6 Service Family + AddrFamilyLISPCanonicalAddressFormat = 16387 // LISP Canonical Address Format (LCAF) + AddrFamilyBGPLS = 16388 // BGP-LS + AddrFamily48bitMAC = 16389 // 48-bit MAC + AddrFamily64bitMAC = 16390 // 64-bit MAC + AddrFamilyOUI = 16391 // OUI + AddrFamilyMACFinal24bits = 16392 // MAC/24 + AddrFamilyMACFinal40bits = 16393 // MAC/40 + AddrFamilyIPv6Initial64bits = 16394 // IPv6/64 + AddrFamilyRBridgePortID = 16395 // RBridge Port ID + AddrFamilyTRILLNickname = 16396 // TRILL Nickname +) diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr.go b/vendor/golang.org/x/net/internal/socket/cmsghdr.go new file mode 100644 index 000000000..4bdaaaf1a --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/cmsghdr.go @@ -0,0 +1,12 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos + +package socket + +func (h *cmsghdr) len() int { return int(h.Len) } +func (h *cmsghdr) lvl() int { return int(h.Level) } +func (h *cmsghdr) typ() int { return int(h.Type) } diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_bsd.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_bsd.go new file mode 100644 index 000000000..0d30e0a0f --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_bsd.go @@ -0,0 +1,14 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd +// +build aix darwin dragonfly freebsd netbsd openbsd + +package socket + +func (h *cmsghdr) set(l, lvl, typ int) { + h.Len = uint32(l) + h.Level = int32(lvl) + h.Type = int32(typ) +} diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_32bit.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_32bit.go new file mode 100644 index 000000000..4936e8a6f --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_32bit.go @@ -0,0 +1,15 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build (arm || mips || mipsle || 386 || ppc) && linux +// +build arm mips mipsle 386 ppc +// +build linux + +package socket + +func (h *cmsghdr) set(l, lvl, typ int) { + h.Len = uint32(l) + h.Level = int32(lvl) + h.Type = int32(typ) +} diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_64bit.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_64bit.go new file mode 100644 index 000000000..f6877f98f --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_linux_64bit.go @@ -0,0 +1,15 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build (arm64 || amd64 || loong64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && linux +// +build arm64 amd64 loong64 ppc64 ppc64le mips64 mips64le riscv64 s390x +// +build linux + +package socket + +func (h *cmsghdr) set(l, lvl, typ int) { + h.Len = uint64(l) + h.Level = int32(lvl) + h.Type = int32(typ) +} diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_solaris_64bit.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_solaris_64bit.go new file mode 100644 index 000000000..d3dbe1b8e --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_solaris_64bit.go @@ -0,0 +1,14 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build amd64 && solaris +// +build amd64,solaris + +package socket + +func (h *cmsghdr) set(l, lvl, typ int) { + h.Len = uint32(l) + h.Level = int32(lvl) + h.Type = int32(typ) +} diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_stub.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_stub.go new file mode 100644 index 000000000..1d9f2ed62 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_stub.go @@ -0,0 +1,28 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos + +package socket + +func controlHeaderLen() int { + return 0 +} + +func controlMessageLen(dataLen int) int { + return 0 +} + +func controlMessageSpace(dataLen int) int { + return 0 +} + +type cmsghdr struct{} + +func (h *cmsghdr) len() int { return 0 } +func (h *cmsghdr) lvl() int { return 0 } +func (h *cmsghdr) typ() int { return 0 } + +func (h *cmsghdr) set(l, lvl, typ int) {} diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_unix.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_unix.go new file mode 100644 index 000000000..19d46789d --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_unix.go @@ -0,0 +1,22 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos + +package socket + +import "golang.org/x/sys/unix" + +func controlHeaderLen() int { + return unix.CmsgLen(0) +} + +func controlMessageLen(dataLen int) int { + return unix.CmsgLen(dataLen) +} + +func controlMessageSpace(dataLen int) int { + return unix.CmsgSpace(dataLen) +} diff --git a/vendor/golang.org/x/net/internal/socket/cmsghdr_zos_s390x.go b/vendor/golang.org/x/net/internal/socket/cmsghdr_zos_s390x.go new file mode 100644 index 000000000..68dc8ad63 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/cmsghdr_zos_s390x.go @@ -0,0 +1,11 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +func (h *cmsghdr) set(l, lvl, typ int) { + h.Len = int32(l) + h.Level = int32(lvl) + h.Type = int32(typ) +} diff --git a/vendor/golang.org/x/net/internal/socket/complete_dontwait.go b/vendor/golang.org/x/net/internal/socket/complete_dontwait.go new file mode 100644 index 000000000..5b1d50ae7 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/complete_dontwait.go @@ -0,0 +1,26 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris +// +build darwin dragonfly freebsd linux netbsd openbsd solaris + +package socket + +import ( + "syscall" +) + +// ioComplete checks the flags and result of a syscall, to be used as return +// value in a syscall.RawConn.Read or Write callback. +func ioComplete(flags int, operr error) bool { + if flags&syscall.MSG_DONTWAIT != 0 { + // Caller explicitly said don't wait, so always return immediately. + return true + } + if operr == syscall.EAGAIN || operr == syscall.EWOULDBLOCK { + // No data available, block for I/O and try again. + return false + } + return true +} diff --git a/vendor/golang.org/x/net/internal/socket/complete_nodontwait.go b/vendor/golang.org/x/net/internal/socket/complete_nodontwait.go new file mode 100644 index 000000000..be6340958 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/complete_nodontwait.go @@ -0,0 +1,22 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || windows || zos +// +build aix windows zos + +package socket + +import ( + "syscall" +) + +// ioComplete checks the flags and result of a syscall, to be used as return +// value in a syscall.RawConn.Read or Write callback. +func ioComplete(flags int, operr error) bool { + if operr == syscall.EAGAIN || operr == syscall.EWOULDBLOCK { + // No data available, block for I/O and try again. + return false + } + return true +} diff --git a/vendor/golang.org/x/net/internal/socket/empty.s b/vendor/golang.org/x/net/internal/socket/empty.s new file mode 100644 index 000000000..90ab4ca3d --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/empty.s @@ -0,0 +1,8 @@ +// Copyright 2018 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build darwin && go1.12 +// +build darwin,go1.12 + +// This exists solely so we can linkname in symbols from syscall. diff --git a/vendor/golang.org/x/net/internal/socket/error_unix.go b/vendor/golang.org/x/net/internal/socket/error_unix.go new file mode 100644 index 000000000..78f412904 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/error_unix.go @@ -0,0 +1,32 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos + +package socket + +import "syscall" + +var ( + errEAGAIN error = syscall.EAGAIN + errEINVAL error = syscall.EINVAL + errENOENT error = syscall.ENOENT +) + +// errnoErr returns common boxed Errno values, to prevent allocations +// at runtime. +func errnoErr(errno syscall.Errno) error { + switch errno { + case 0: + return nil + case syscall.EAGAIN: + return errEAGAIN + case syscall.EINVAL: + return errEINVAL + case syscall.ENOENT: + return errENOENT + } + return errno +} diff --git a/vendor/golang.org/x/net/internal/socket/error_windows.go b/vendor/golang.org/x/net/internal/socket/error_windows.go new file mode 100644 index 000000000..6a6379a8b --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/error_windows.go @@ -0,0 +1,26 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +import "syscall" + +var ( + errERROR_IO_PENDING error = syscall.ERROR_IO_PENDING + errEINVAL error = syscall.EINVAL +) + +// errnoErr returns common boxed Errno values, to prevent allocations +// at runtime. +func errnoErr(errno syscall.Errno) error { + switch errno { + case 0: + return nil + case syscall.ERROR_IO_PENDING: + return errERROR_IO_PENDING + case syscall.EINVAL: + return errEINVAL + } + return errno +} diff --git a/vendor/golang.org/x/net/internal/socket/iovec_32bit.go b/vendor/golang.org/x/net/internal/socket/iovec_32bit.go new file mode 100644 index 000000000..2b8fbb3f3 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/iovec_32bit.go @@ -0,0 +1,20 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build (arm || mips || mipsle || 386 || ppc) && (darwin || dragonfly || freebsd || linux || netbsd || openbsd) +// +build arm mips mipsle 386 ppc +// +build darwin dragonfly freebsd linux netbsd openbsd + +package socket + +import "unsafe" + +func (v *iovec) set(b []byte) { + l := len(b) + if l == 0 { + return + } + v.Base = (*byte)(unsafe.Pointer(&b[0])) + v.Len = uint32(l) +} diff --git a/vendor/golang.org/x/net/internal/socket/iovec_64bit.go b/vendor/golang.org/x/net/internal/socket/iovec_64bit.go new file mode 100644 index 000000000..2e94e96f8 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/iovec_64bit.go @@ -0,0 +1,20 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build (arm64 || amd64 || loong64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && (aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || zos) +// +build arm64 amd64 loong64 ppc64 ppc64le mips64 mips64le riscv64 s390x +// +build aix darwin dragonfly freebsd linux netbsd openbsd zos + +package socket + +import "unsafe" + +func (v *iovec) set(b []byte) { + l := len(b) + if l == 0 { + return + } + v.Base = (*byte)(unsafe.Pointer(&b[0])) + v.Len = uint64(l) +} diff --git a/vendor/golang.org/x/net/internal/socket/iovec_solaris_64bit.go b/vendor/golang.org/x/net/internal/socket/iovec_solaris_64bit.go new file mode 100644 index 000000000..f7da2bc4d --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/iovec_solaris_64bit.go @@ -0,0 +1,19 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build amd64 && solaris +// +build amd64,solaris + +package socket + +import "unsafe" + +func (v *iovec) set(b []byte) { + l := len(b) + if l == 0 { + return + } + v.Base = (*int8)(unsafe.Pointer(&b[0])) + v.Len = uint64(l) +} diff --git a/vendor/golang.org/x/net/internal/socket/iovec_stub.go b/vendor/golang.org/x/net/internal/socket/iovec_stub.go new file mode 100644 index 000000000..14caf5248 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/iovec_stub.go @@ -0,0 +1,12 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos + +package socket + +type iovec struct{} + +func (v *iovec) set(b []byte) {} diff --git a/vendor/golang.org/x/net/internal/socket/mmsghdr_stub.go b/vendor/golang.org/x/net/internal/socket/mmsghdr_stub.go new file mode 100644 index 000000000..113e773cd --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/mmsghdr_stub.go @@ -0,0 +1,22 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !linux && !netbsd +// +build !aix,!linux,!netbsd + +package socket + +import "net" + +type mmsghdr struct{} + +type mmsghdrs []mmsghdr + +func (hs mmsghdrs) pack(ms []Message, parseFn func([]byte, string) (net.Addr, error), marshalFn func(net.Addr) []byte) error { + return nil +} + +func (hs mmsghdrs) unpack(ms []Message, parseFn func([]byte, string) (net.Addr, error), hint string) error { + return nil +} diff --git a/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go b/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go new file mode 100644 index 000000000..0bfcf7afc --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/mmsghdr_unix.go @@ -0,0 +1,180 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || linux || netbsd +// +build aix linux netbsd + +package socket + +import ( + "net" + "os" + "sync" + "syscall" +) + +type mmsghdrs []mmsghdr + +func (hs mmsghdrs) unpack(ms []Message, parseFn func([]byte, string) (net.Addr, error), hint string) error { + for i := range hs { + ms[i].N = int(hs[i].Len) + ms[i].NN = hs[i].Hdr.controllen() + ms[i].Flags = hs[i].Hdr.flags() + if parseFn != nil { + var err error + ms[i].Addr, err = parseFn(hs[i].Hdr.name(), hint) + if err != nil { + return err + } + } + } + return nil +} + +// mmsghdrsPacker packs Message-slices into mmsghdrs (re-)using pre-allocated buffers. +type mmsghdrsPacker struct { + // hs are the pre-allocated mmsghdrs. + hs mmsghdrs + // sockaddrs is the pre-allocated buffer for the Hdr.Name buffers. + // We use one large buffer for all messages and slice it up. + sockaddrs []byte + // vs are the pre-allocated iovecs. + // We allocate one large buffer for all messages and slice it up. This allows to reuse the buffer + // if the number of buffers per message is distributed differently between calls. + vs []iovec +} + +func (p *mmsghdrsPacker) prepare(ms []Message) { + n := len(ms) + if n <= cap(p.hs) { + p.hs = p.hs[:n] + } else { + p.hs = make(mmsghdrs, n) + } + if n*sizeofSockaddrInet6 <= cap(p.sockaddrs) { + p.sockaddrs = p.sockaddrs[:n*sizeofSockaddrInet6] + } else { + p.sockaddrs = make([]byte, n*sizeofSockaddrInet6) + } + + nb := 0 + for _, m := range ms { + nb += len(m.Buffers) + } + if nb <= cap(p.vs) { + p.vs = p.vs[:nb] + } else { + p.vs = make([]iovec, nb) + } +} + +func (p *mmsghdrsPacker) pack(ms []Message, parseFn func([]byte, string) (net.Addr, error), marshalFn func(net.Addr, []byte) int) mmsghdrs { + p.prepare(ms) + hs := p.hs + vsRest := p.vs + saRest := p.sockaddrs + for i := range hs { + nvs := len(ms[i].Buffers) + vs := vsRest[:nvs] + vsRest = vsRest[nvs:] + + var sa []byte + if parseFn != nil { + sa = saRest[:sizeofSockaddrInet6] + saRest = saRest[sizeofSockaddrInet6:] + } else if marshalFn != nil { + n := marshalFn(ms[i].Addr, saRest) + if n > 0 { + sa = saRest[:n] + saRest = saRest[n:] + } + } + hs[i].Hdr.pack(vs, ms[i].Buffers, ms[i].OOB, sa) + } + return hs +} + +// syscaller is a helper to invoke recvmmsg and sendmmsg via the RawConn.Read/Write interface. +// It is reusable, to amortize the overhead of allocating a closure for the function passed to +// RawConn.Read/Write. +type syscaller struct { + n int + operr error + hs mmsghdrs + flags int + + boundRecvmmsgF func(uintptr) bool + boundSendmmsgF func(uintptr) bool +} + +func (r *syscaller) init() { + r.boundRecvmmsgF = r.recvmmsgF + r.boundSendmmsgF = r.sendmmsgF +} + +func (r *syscaller) recvmmsg(c syscall.RawConn, hs mmsghdrs, flags int) (int, error) { + r.n = 0 + r.operr = nil + r.hs = hs + r.flags = flags + if err := c.Read(r.boundRecvmmsgF); err != nil { + return r.n, err + } + if r.operr != nil { + return r.n, os.NewSyscallError("recvmmsg", r.operr) + } + return r.n, nil +} + +func (r *syscaller) recvmmsgF(s uintptr) bool { + r.n, r.operr = recvmmsg(s, r.hs, r.flags) + return ioComplete(r.flags, r.operr) +} + +func (r *syscaller) sendmmsg(c syscall.RawConn, hs mmsghdrs, flags int) (int, error) { + r.n = 0 + r.operr = nil + r.hs = hs + r.flags = flags + if err := c.Write(r.boundSendmmsgF); err != nil { + return r.n, err + } + if r.operr != nil { + return r.n, os.NewSyscallError("sendmmsg", r.operr) + } + return r.n, nil +} + +func (r *syscaller) sendmmsgF(s uintptr) bool { + r.n, r.operr = sendmmsg(s, r.hs, r.flags) + return ioComplete(r.flags, r.operr) +} + +// mmsgTmps holds reusable temporary helpers for recvmmsg and sendmmsg. +type mmsgTmps struct { + packer mmsghdrsPacker + syscaller syscaller +} + +var defaultMmsgTmpsPool = mmsgTmpsPool{ + p: sync.Pool{ + New: func() interface{} { + tmps := new(mmsgTmps) + tmps.syscaller.init() + return tmps + }, + }, +} + +type mmsgTmpsPool struct { + p sync.Pool +} + +func (p *mmsgTmpsPool) Get() *mmsgTmps { + return p.p.Get().(*mmsgTmps) +} + +func (p *mmsgTmpsPool) Put(tmps *mmsgTmps) { + p.p.Put(tmps) +} diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_bsd.go b/vendor/golang.org/x/net/internal/socket/msghdr_bsd.go new file mode 100644 index 000000000..25f6847f9 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/msghdr_bsd.go @@ -0,0 +1,40 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd +// +build aix darwin dragonfly freebsd netbsd openbsd + +package socket + +import "unsafe" + +func (h *msghdr) pack(vs []iovec, bs [][]byte, oob []byte, sa []byte) { + for i := range vs { + vs[i].set(bs[i]) + } + h.setIov(vs) + if len(oob) > 0 { + h.Control = (*byte)(unsafe.Pointer(&oob[0])) + h.Controllen = uint32(len(oob)) + } + if sa != nil { + h.Name = (*byte)(unsafe.Pointer(&sa[0])) + h.Namelen = uint32(len(sa)) + } +} + +func (h *msghdr) name() []byte { + if h.Name != nil && h.Namelen > 0 { + return (*[sizeofSockaddrInet6]byte)(unsafe.Pointer(h.Name))[:h.Namelen] + } + return nil +} + +func (h *msghdr) controllen() int { + return int(h.Controllen) +} + +func (h *msghdr) flags() int { + return int(h.Flags) +} diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go b/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go new file mode 100644 index 000000000..5b8e00f1c --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go @@ -0,0 +1,17 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || netbsd +// +build aix darwin dragonfly freebsd netbsd + +package socket + +func (h *msghdr) setIov(vs []iovec) { + l := len(vs) + if l == 0 { + return + } + h.Iov = &vs[0] + h.Iovlen = int32(l) +} diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_linux.go b/vendor/golang.org/x/net/internal/socket/msghdr_linux.go new file mode 100644 index 000000000..c3c7cc4c8 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/msghdr_linux.go @@ -0,0 +1,39 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +import "unsafe" + +func (h *msghdr) pack(vs []iovec, bs [][]byte, oob []byte, sa []byte) { + for i := range vs { + vs[i].set(bs[i]) + } + h.setIov(vs) + if len(oob) > 0 { + h.setControl(oob) + } + if sa != nil { + h.Name = (*byte)(unsafe.Pointer(&sa[0])) + h.Namelen = uint32(len(sa)) + } else { + h.Name = nil + h.Namelen = 0 + } +} + +func (h *msghdr) name() []byte { + if h.Name != nil && h.Namelen > 0 { + return (*[sizeofSockaddrInet6]byte)(unsafe.Pointer(h.Name))[:h.Namelen] + } + return nil +} + +func (h *msghdr) controllen() int { + return int(h.Controllen) +} + +func (h *msghdr) flags() int { + return int(h.Flags) +} diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go b/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go new file mode 100644 index 000000000..b4658fbae --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/msghdr_linux_32bit.go @@ -0,0 +1,25 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build (arm || mips || mipsle || 386 || ppc) && linux +// +build arm mips mipsle 386 ppc +// +build linux + +package socket + +import "unsafe" + +func (h *msghdr) setIov(vs []iovec) { + l := len(vs) + if l == 0 { + return + } + h.Iov = &vs[0] + h.Iovlen = uint32(l) +} + +func (h *msghdr) setControl(b []byte) { + h.Control = (*byte)(unsafe.Pointer(&b[0])) + h.Controllen = uint32(len(b)) +} diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_linux_64bit.go b/vendor/golang.org/x/net/internal/socket/msghdr_linux_64bit.go new file mode 100644 index 000000000..42411affa --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/msghdr_linux_64bit.go @@ -0,0 +1,25 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build (arm64 || amd64 || loong64 || ppc64 || ppc64le || mips64 || mips64le || riscv64 || s390x) && linux +// +build arm64 amd64 loong64 ppc64 ppc64le mips64 mips64le riscv64 s390x +// +build linux + +package socket + +import "unsafe" + +func (h *msghdr) setIov(vs []iovec) { + l := len(vs) + if l == 0 { + return + } + h.Iov = &vs[0] + h.Iovlen = uint64(l) +} + +func (h *msghdr) setControl(b []byte) { + h.Control = (*byte)(unsafe.Pointer(&b[0])) + h.Controllen = uint64(len(b)) +} diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_openbsd.go b/vendor/golang.org/x/net/internal/socket/msghdr_openbsd.go new file mode 100644 index 000000000..71a69e251 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/msghdr_openbsd.go @@ -0,0 +1,14 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +func (h *msghdr) setIov(vs []iovec) { + l := len(vs) + if l == 0 { + return + } + h.Iov = &vs[0] + h.Iovlen = uint32(l) +} diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_solaris_64bit.go b/vendor/golang.org/x/net/internal/socket/msghdr_solaris_64bit.go new file mode 100644 index 000000000..3098f5d78 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/msghdr_solaris_64bit.go @@ -0,0 +1,36 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build amd64 && solaris +// +build amd64,solaris + +package socket + +import "unsafe" + +func (h *msghdr) pack(vs []iovec, bs [][]byte, oob []byte, sa []byte) { + for i := range vs { + vs[i].set(bs[i]) + } + if len(vs) > 0 { + h.Iov = &vs[0] + h.Iovlen = int32(len(vs)) + } + if len(oob) > 0 { + h.Accrights = (*int8)(unsafe.Pointer(&oob[0])) + h.Accrightslen = int32(len(oob)) + } + if sa != nil { + h.Name = (*byte)(unsafe.Pointer(&sa[0])) + h.Namelen = uint32(len(sa)) + } +} + +func (h *msghdr) controllen() int { + return int(h.Accrightslen) +} + +func (h *msghdr) flags() int { + return int(NativeEndian.Uint32(h.Pad_cgo_2[:])) +} diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_stub.go b/vendor/golang.org/x/net/internal/socket/msghdr_stub.go new file mode 100644 index 000000000..eb79151f6 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/msghdr_stub.go @@ -0,0 +1,15 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos + +package socket + +type msghdr struct{} + +func (h *msghdr) pack(vs []iovec, bs [][]byte, oob []byte, sa []byte) {} +func (h *msghdr) name() []byte { return nil } +func (h *msghdr) controllen() int { return 0 } +func (h *msghdr) flags() int { return 0 } diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_zos_s390x.go b/vendor/golang.org/x/net/internal/socket/msghdr_zos_s390x.go new file mode 100644 index 000000000..324e9ee7d --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/msghdr_zos_s390x.go @@ -0,0 +1,36 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build s390x && zos +// +build s390x,zos + +package socket + +import "unsafe" + +func (h *msghdr) pack(vs []iovec, bs [][]byte, oob []byte, sa []byte) { + for i := range vs { + vs[i].set(bs[i]) + } + if len(vs) > 0 { + h.Iov = &vs[0] + h.Iovlen = int32(len(vs)) + } + if len(oob) > 0 { + h.Control = (*byte)(unsafe.Pointer(&oob[0])) + h.Controllen = uint32(len(oob)) + } + if sa != nil { + h.Name = (*byte)(unsafe.Pointer(&sa[0])) + h.Namelen = uint32(len(sa)) + } +} + +func (h *msghdr) controllen() int { + return int(h.Controllen) +} + +func (h *msghdr) flags() int { + return int(h.Flags) +} diff --git a/vendor/golang.org/x/net/internal/socket/norace.go b/vendor/golang.org/x/net/internal/socket/norace.go new file mode 100644 index 000000000..de0ad420f --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/norace.go @@ -0,0 +1,13 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !race +// +build !race + +package socket + +func (m *Message) raceRead() { +} +func (m *Message) raceWrite() { +} diff --git a/vendor/golang.org/x/net/internal/socket/race.go b/vendor/golang.org/x/net/internal/socket/race.go new file mode 100644 index 000000000..f0a28a625 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/race.go @@ -0,0 +1,38 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build race +// +build race + +package socket + +import ( + "runtime" + "unsafe" +) + +// This package reads and writes the Message buffers using a +// direct system call, which the race detector can't see. +// These functions tell the race detector what is going on during the syscall. + +func (m *Message) raceRead() { + for _, b := range m.Buffers { + if len(b) > 0 { + runtime.RaceReadRange(unsafe.Pointer(&b[0]), len(b)) + } + } + if b := m.OOB; len(b) > 0 { + runtime.RaceReadRange(unsafe.Pointer(&b[0]), len(b)) + } +} +func (m *Message) raceWrite() { + for _, b := range m.Buffers { + if len(b) > 0 { + runtime.RaceWriteRange(unsafe.Pointer(&b[0]), len(b)) + } + } + if b := m.OOB; len(b) > 0 { + runtime.RaceWriteRange(unsafe.Pointer(&b[0]), len(b)) + } +} diff --git a/vendor/golang.org/x/net/internal/socket/rawconn.go b/vendor/golang.org/x/net/internal/socket/rawconn.go new file mode 100644 index 000000000..87e81071c --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/rawconn.go @@ -0,0 +1,91 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +import ( + "errors" + "net" + "os" + "syscall" +) + +// A Conn represents a raw connection. +type Conn struct { + network string + c syscall.RawConn +} + +// tcpConn is an interface implemented by net.TCPConn. +// It can be used for interface assertions to check if a net.Conn is a TCP connection. +type tcpConn interface { + SyscallConn() (syscall.RawConn, error) + SetLinger(int) error +} + +var _ tcpConn = (*net.TCPConn)(nil) + +// udpConn is an interface implemented by net.UDPConn. +// It can be used for interface assertions to check if a net.Conn is a UDP connection. +type udpConn interface { + SyscallConn() (syscall.RawConn, error) + ReadMsgUDP(b, oob []byte) (n, oobn, flags int, addr *net.UDPAddr, err error) +} + +var _ udpConn = (*net.UDPConn)(nil) + +// ipConn is an interface implemented by net.IPConn. +// It can be used for interface assertions to check if a net.Conn is an IP connection. +type ipConn interface { + SyscallConn() (syscall.RawConn, error) + ReadMsgIP(b, oob []byte) (n, oobn, flags int, addr *net.IPAddr, err error) +} + +var _ ipConn = (*net.IPConn)(nil) + +// NewConn returns a new raw connection. +func NewConn(c net.Conn) (*Conn, error) { + var err error + var cc Conn + switch c := c.(type) { + case tcpConn: + cc.network = "tcp" + cc.c, err = c.SyscallConn() + case udpConn: + cc.network = "udp" + cc.c, err = c.SyscallConn() + case ipConn: + cc.network = "ip" + cc.c, err = c.SyscallConn() + default: + return nil, errors.New("unknown connection type") + } + if err != nil { + return nil, err + } + return &cc, nil +} + +func (o *Option) get(c *Conn, b []byte) (int, error) { + var operr error + var n int + fn := func(s uintptr) { + n, operr = getsockopt(s, o.Level, o.Name, b) + } + if err := c.c.Control(fn); err != nil { + return 0, err + } + return n, os.NewSyscallError("getsockopt", operr) +} + +func (o *Option) set(c *Conn, b []byte) error { + var operr error + fn := func(s uintptr) { + operr = setsockopt(s, o.Level, o.Name, b) + } + if err := c.c.Control(fn); err != nil { + return err + } + return os.NewSyscallError("setsockopt", operr) +} diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go b/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go new file mode 100644 index 000000000..8f79b38f7 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/rawconn_mmsg.go @@ -0,0 +1,54 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build linux +// +build linux + +package socket + +import ( + "net" +) + +func (c *Conn) recvMsgs(ms []Message, flags int) (int, error) { + for i := range ms { + ms[i].raceWrite() + } + tmps := defaultMmsgTmpsPool.Get() + defer defaultMmsgTmpsPool.Put(tmps) + var parseFn func([]byte, string) (net.Addr, error) + if c.network != "tcp" { + parseFn = parseInetAddr + } + hs := tmps.packer.pack(ms, parseFn, nil) + n, err := tmps.syscaller.recvmmsg(c.c, hs, flags) + if err != nil { + return n, err + } + if err := hs[:n].unpack(ms[:n], parseFn, c.network); err != nil { + return n, err + } + return n, nil +} + +func (c *Conn) sendMsgs(ms []Message, flags int) (int, error) { + for i := range ms { + ms[i].raceRead() + } + tmps := defaultMmsgTmpsPool.Get() + defer defaultMmsgTmpsPool.Put(tmps) + var marshalFn func(net.Addr, []byte) int + if c.network != "tcp" { + marshalFn = marshalInetAddr + } + hs := tmps.packer.pack(ms, nil, marshalFn) + n, err := tmps.syscaller.sendmmsg(c.c, hs, flags) + if err != nil { + return n, err + } + if err := hs[:n].unpack(ms[:n], nil, ""); err != nil { + return n, err + } + return n, nil +} diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_msg.go b/vendor/golang.org/x/net/internal/socket/rawconn_msg.go new file mode 100644 index 000000000..ba53f564b --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/rawconn_msg.go @@ -0,0 +1,74 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos + +package socket + +import ( + "os" +) + +func (c *Conn) recvMsg(m *Message, flags int) error { + m.raceWrite() + var h msghdr + vs := make([]iovec, len(m.Buffers)) + var sa []byte + if c.network != "tcp" { + sa = make([]byte, sizeofSockaddrInet6) + } + h.pack(vs, m.Buffers, m.OOB, sa) + var operr error + var n int + fn := func(s uintptr) bool { + n, operr = recvmsg(s, &h, flags) + return ioComplete(flags, operr) + } + if err := c.c.Read(fn); err != nil { + return err + } + if operr != nil { + return os.NewSyscallError("recvmsg", operr) + } + if c.network != "tcp" { + var err error + m.Addr, err = parseInetAddr(sa[:], c.network) + if err != nil { + return err + } + } + m.N = n + m.NN = h.controllen() + m.Flags = h.flags() + return nil +} + +func (c *Conn) sendMsg(m *Message, flags int) error { + m.raceRead() + var h msghdr + vs := make([]iovec, len(m.Buffers)) + var sa []byte + if m.Addr != nil { + var a [sizeofSockaddrInet6]byte + n := marshalInetAddr(m.Addr, a[:]) + sa = a[:n] + } + h.pack(vs, m.Buffers, m.OOB, sa) + var operr error + var n int + fn := func(s uintptr) bool { + n, operr = sendmsg(s, &h, flags) + return ioComplete(flags, operr) + } + if err := c.c.Write(fn); err != nil { + return err + } + if operr != nil { + return os.NewSyscallError("sendmsg", operr) + } + m.N = n + m.NN = len(m.OOB) + return nil +} diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go b/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go new file mode 100644 index 000000000..02f328556 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/rawconn_nommsg.go @@ -0,0 +1,16 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !linux +// +build !linux + +package socket + +func (c *Conn) recvMsgs(ms []Message, flags int) (int, error) { + return 0, errNotImplemented +} + +func (c *Conn) sendMsgs(ms []Message, flags int) (int, error) { + return 0, errNotImplemented +} diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_nomsg.go b/vendor/golang.org/x/net/internal/socket/rawconn_nomsg.go new file mode 100644 index 000000000..dd785877b --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/rawconn_nomsg.go @@ -0,0 +1,16 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos + +package socket + +func (c *Conn) recvMsg(m *Message, flags int) error { + return errNotImplemented +} + +func (c *Conn) sendMsg(m *Message, flags int) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/internal/socket/socket.go b/vendor/golang.org/x/net/internal/socket/socket.go new file mode 100644 index 000000000..dba47bf12 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/socket.go @@ -0,0 +1,280 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package socket provides a portable interface for socket system +// calls. +package socket // import "golang.org/x/net/internal/socket" + +import ( + "errors" + "net" + "runtime" + "unsafe" +) + +var errNotImplemented = errors.New("not implemented on " + runtime.GOOS + "/" + runtime.GOARCH) + +// An Option represents a sticky socket option. +type Option struct { + Level int // level + Name int // name; must be equal or greater than 1 + Len int // length of value in bytes; must be equal or greater than 1 +} + +// Get reads a value for the option from the kernel. +// It returns the number of bytes written into b. +func (o *Option) Get(c *Conn, b []byte) (int, error) { + if o.Name < 1 || o.Len < 1 { + return 0, errors.New("invalid option") + } + if len(b) < o.Len { + return 0, errors.New("short buffer") + } + return o.get(c, b) +} + +// GetInt returns an integer value for the option. +// +// The Len field of Option must be either 1 or 4. +func (o *Option) GetInt(c *Conn) (int, error) { + if o.Len != 1 && o.Len != 4 { + return 0, errors.New("invalid option") + } + var b []byte + var bb [4]byte + if o.Len == 1 { + b = bb[:1] + } else { + b = bb[:4] + } + n, err := o.get(c, b) + if err != nil { + return 0, err + } + if n != o.Len { + return 0, errors.New("invalid option length") + } + if o.Len == 1 { + return int(b[0]), nil + } + return int(NativeEndian.Uint32(b[:4])), nil +} + +// Set writes the option and value to the kernel. +func (o *Option) Set(c *Conn, b []byte) error { + if o.Name < 1 || o.Len < 1 { + return errors.New("invalid option") + } + if len(b) < o.Len { + return errors.New("short buffer") + } + return o.set(c, b) +} + +// SetInt writes the option and value to the kernel. +// +// The Len field of Option must be either 1 or 4. +func (o *Option) SetInt(c *Conn, v int) error { + if o.Len != 1 && o.Len != 4 { + return errors.New("invalid option") + } + var b []byte + if o.Len == 1 { + b = []byte{byte(v)} + } else { + var bb [4]byte + NativeEndian.PutUint32(bb[:o.Len], uint32(v)) + b = bb[:4] + } + return o.set(c, b) +} + +// ControlMessageSpace returns the whole length of control message. +func ControlMessageSpace(dataLen int) int { + return controlMessageSpace(dataLen) +} + +// A ControlMessage represents the head message in a stream of control +// messages. +// +// A control message comprises of a header, data and a few padding +// fields to conform to the interface to the kernel. +// +// See RFC 3542 for further information. +type ControlMessage []byte + +// Data returns the data field of the control message at the head on +// m. +func (m ControlMessage) Data(dataLen int) []byte { + l := controlHeaderLen() + if len(m) < l || len(m) < l+dataLen { + return nil + } + return m[l : l+dataLen] +} + +// Next returns the control message at the next on m. +// +// Next works only for standard control messages. +func (m ControlMessage) Next(dataLen int) ControlMessage { + l := ControlMessageSpace(dataLen) + if len(m) < l { + return nil + } + return m[l:] +} + +// MarshalHeader marshals the header fields of the control message at +// the head on m. +func (m ControlMessage) MarshalHeader(lvl, typ, dataLen int) error { + if len(m) < controlHeaderLen() { + return errors.New("short message") + } + h := (*cmsghdr)(unsafe.Pointer(&m[0])) + h.set(controlMessageLen(dataLen), lvl, typ) + return nil +} + +// ParseHeader parses and returns the header fields of the control +// message at the head on m. +func (m ControlMessage) ParseHeader() (lvl, typ, dataLen int, err error) { + l := controlHeaderLen() + if len(m) < l { + return 0, 0, 0, errors.New("short message") + } + h := (*cmsghdr)(unsafe.Pointer(&m[0])) + return h.lvl(), h.typ(), int(uint64(h.len()) - uint64(l)), nil +} + +// Marshal marshals the control message at the head on m, and returns +// the next control message. +func (m ControlMessage) Marshal(lvl, typ int, data []byte) (ControlMessage, error) { + l := len(data) + if len(m) < ControlMessageSpace(l) { + return nil, errors.New("short message") + } + h := (*cmsghdr)(unsafe.Pointer(&m[0])) + h.set(controlMessageLen(l), lvl, typ) + if l > 0 { + copy(m.Data(l), data) + } + return m.Next(l), nil +} + +// Parse parses m as a single or multiple control messages. +// +// Parse works for both standard and compatible messages. +func (m ControlMessage) Parse() ([]ControlMessage, error) { + var ms []ControlMessage + for len(m) >= controlHeaderLen() { + h := (*cmsghdr)(unsafe.Pointer(&m[0])) + l := h.len() + if l <= 0 { + return nil, errors.New("invalid header length") + } + if uint64(l) < uint64(controlHeaderLen()) { + return nil, errors.New("invalid message length") + } + if uint64(l) > uint64(len(m)) { + return nil, errors.New("short buffer") + } + // On message reception: + // + // |<- ControlMessageSpace --------------->| + // |<- controlMessageLen ---------->| | + // |<- controlHeaderLen ->| | | + // +---------------+------+---------+------+ + // | Header | PadH | Data | PadD | + // +---------------+------+---------+------+ + // + // On compatible message reception: + // + // | ... |<- controlMessageLen ----------->| + // | ... |<- controlHeaderLen ->| | + // +-----+---------------+------+----------+ + // | ... | Header | PadH | Data | + // +-----+---------------+------+----------+ + ms = append(ms, ControlMessage(m[:l])) + ll := l - controlHeaderLen() + if len(m) >= ControlMessageSpace(ll) { + m = m[ControlMessageSpace(ll):] + } else { + m = m[controlMessageLen(ll):] + } + } + return ms, nil +} + +// NewControlMessage returns a new stream of control messages. +func NewControlMessage(dataLen []int) ControlMessage { + var l int + for i := range dataLen { + l += ControlMessageSpace(dataLen[i]) + } + return make([]byte, l) +} + +// A Message represents an IO message. +type Message struct { + // When writing, the Buffers field must contain at least one + // byte to write. + // When reading, the Buffers field will always contain a byte + // to read. + Buffers [][]byte + + // OOB contains protocol-specific control or miscellaneous + // ancillary data known as out-of-band data. + OOB []byte + + // Addr specifies a destination address when writing. + // It can be nil when the underlying protocol of the raw + // connection uses connection-oriented communication. + // After a successful read, it may contain the source address + // on the received packet. + Addr net.Addr + + N int // # of bytes read or written from/to Buffers + NN int // # of bytes read or written from/to OOB + Flags int // protocol-specific information on the received message +} + +// RecvMsg wraps recvmsg system call. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_PEEK. +func (c *Conn) RecvMsg(m *Message, flags int) error { + return c.recvMsg(m, flags) +} + +// SendMsg wraps sendmsg system call. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_DONTROUTE. +func (c *Conn) SendMsg(m *Message, flags int) error { + return c.sendMsg(m, flags) +} + +// RecvMsgs wraps recvmmsg system call. +// +// It returns the number of processed messages. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_PEEK. +// +// Only Linux supports this. +func (c *Conn) RecvMsgs(ms []Message, flags int) (int, error) { + return c.recvMsgs(ms, flags) +} + +// SendMsgs wraps sendmmsg system call. +// +// It returns the number of processed messages. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_DONTROUTE. +// +// Only Linux supports this. +func (c *Conn) SendMsgs(ms []Message, flags int) (int, error) { + return c.sendMsgs(ms, flags) +} diff --git a/vendor/golang.org/x/net/internal/socket/sys.go b/vendor/golang.org/x/net/internal/socket/sys.go new file mode 100644 index 000000000..4a26af186 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys.go @@ -0,0 +1,23 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +import ( + "encoding/binary" + "unsafe" +) + +// NativeEndian is the machine native endian implementation of ByteOrder. +var NativeEndian binary.ByteOrder + +func init() { + i := uint32(1) + b := (*[4]byte)(unsafe.Pointer(&i)) + if b[0] == 1 { + NativeEndian = binary.LittleEndian + } else { + NativeEndian = binary.BigEndian + } +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_bsd.go b/vendor/golang.org/x/net/internal/socket/sys_bsd.go new file mode 100644 index 000000000..b258879d4 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_bsd.go @@ -0,0 +1,16 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || openbsd || solaris +// +build aix darwin dragonfly freebsd openbsd solaris + +package socket + +func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + return 0, errNotImplemented +} + +func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + return 0, errNotImplemented +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_const_unix.go b/vendor/golang.org/x/net/internal/socket/sys_const_unix.go new file mode 100644 index 000000000..5d99f2373 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_const_unix.go @@ -0,0 +1,21 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos + +package socket + +import "golang.org/x/sys/unix" + +const ( + sysAF_UNSPEC = unix.AF_UNSPEC + sysAF_INET = unix.AF_INET + sysAF_INET6 = unix.AF_INET6 + + sysSOCK_RAW = unix.SOCK_RAW + + sizeofSockaddrInet4 = unix.SizeofSockaddrInet4 + sizeofSockaddrInet6 = unix.SizeofSockaddrInet6 +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux.go b/vendor/golang.org/x/net/internal/socket/sys_linux.go new file mode 100644 index 000000000..76f5b8ae5 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux.go @@ -0,0 +1,23 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build linux && !s390x && !386 +// +build linux,!s390x,!386 + +package socket + +import ( + "syscall" + "unsafe" +) + +func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + n, _, errno := syscall.Syscall6(sysRECVMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) + return int(n), errnoErr(errno) +} + +func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + n, _, errno := syscall.Syscall6(sysSENDMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) + return int(n), errnoErr(errno) +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_386.go b/vendor/golang.org/x/net/internal/socket/sys_linux_386.go new file mode 100644 index 000000000..c877ef23a --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_386.go @@ -0,0 +1,28 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +import ( + "syscall" + "unsafe" +) + +const ( + sysRECVMMSG = 0x13 + sysSENDMMSG = 0x14 +) + +func socketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno) +func rawsocketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno) + +func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + n, errno := socketcall(sysRECVMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) + return int(n), errnoErr(errno) +} + +func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + n, errno := socketcall(sysSENDMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) + return int(n), errnoErr(errno) +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_386.s b/vendor/golang.org/x/net/internal/socket/sys_linux_386.s new file mode 100644 index 000000000..93e7d75ec --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_386.s @@ -0,0 +1,11 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +TEXT ·socketcall(SB),NOSPLIT,$0-36 + JMP syscall·socketcall(SB) + +TEXT ·rawsocketcall(SB),NOSPLIT,$0-36 + JMP syscall·rawsocketcall(SB) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_amd64.go b/vendor/golang.org/x/net/internal/socket/sys_linux_amd64.go new file mode 100644 index 000000000..9decee2e5 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_amd64.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0x12b + sysSENDMMSG = 0x133 +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_arm.go b/vendor/golang.org/x/net/internal/socket/sys_linux_arm.go new file mode 100644 index 000000000..d753b436d --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_arm.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0x16d + sysSENDMMSG = 0x176 +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_arm64.go b/vendor/golang.org/x/net/internal/socket/sys_linux_arm64.go new file mode 100644 index 000000000..b67089436 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_arm64.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0xf3 + sysSENDMMSG = 0x10d +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_loong64.go b/vendor/golang.org/x/net/internal/socket/sys_linux_loong64.go new file mode 100644 index 000000000..af964e617 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_loong64.go @@ -0,0 +1,13 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build loong64 +// +build loong64 + +package socket + +const ( + sysRECVMMSG = 0xf3 + sysSENDMMSG = 0x10d +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_mips.go b/vendor/golang.org/x/net/internal/socket/sys_linux_mips.go new file mode 100644 index 000000000..9c0d74014 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_mips.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0x10ef + sysSENDMMSG = 0x10f7 +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_mips64.go b/vendor/golang.org/x/net/internal/socket/sys_linux_mips64.go new file mode 100644 index 000000000..071a4aba8 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_mips64.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0x14ae + sysSENDMMSG = 0x14b6 +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_mips64le.go b/vendor/golang.org/x/net/internal/socket/sys_linux_mips64le.go new file mode 100644 index 000000000..071a4aba8 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_mips64le.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0x14ae + sysSENDMMSG = 0x14b6 +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_mipsle.go b/vendor/golang.org/x/net/internal/socket/sys_linux_mipsle.go new file mode 100644 index 000000000..9c0d74014 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_mipsle.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0x10ef + sysSENDMMSG = 0x10f7 +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_ppc.go b/vendor/golang.org/x/net/internal/socket/sys_linux_ppc.go new file mode 100644 index 000000000..90cfaa9fe --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_ppc.go @@ -0,0 +1,10 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0x157 + sysSENDMMSG = 0x15d +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_ppc64.go b/vendor/golang.org/x/net/internal/socket/sys_linux_ppc64.go new file mode 100644 index 000000000..21c1e3f00 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_ppc64.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0x157 + sysSENDMMSG = 0x15d +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_ppc64le.go b/vendor/golang.org/x/net/internal/socket/sys_linux_ppc64le.go new file mode 100644 index 000000000..21c1e3f00 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_ppc64le.go @@ -0,0 +1,10 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +const ( + sysRECVMMSG = 0x157 + sysSENDMMSG = 0x15d +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_riscv64.go b/vendor/golang.org/x/net/internal/socket/sys_linux_riscv64.go new file mode 100644 index 000000000..5b128fbb2 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_riscv64.go @@ -0,0 +1,13 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build riscv64 +// +build riscv64 + +package socket + +const ( + sysRECVMMSG = 0xf3 + sysSENDMMSG = 0x10d +) diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.go b/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.go new file mode 100644 index 000000000..c877ef23a --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.go @@ -0,0 +1,28 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +import ( + "syscall" + "unsafe" +) + +const ( + sysRECVMMSG = 0x13 + sysSENDMMSG = 0x14 +) + +func socketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno) +func rawsocketcall(call, a0, a1, a2, a3, a4, a5 uintptr) (uintptr, syscall.Errno) + +func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + n, errno := socketcall(sysRECVMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) + return int(n), errnoErr(errno) +} + +func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + n, errno := socketcall(sysSENDMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) + return int(n), errnoErr(errno) +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.s b/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.s new file mode 100644 index 000000000..06d75628c --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_linux_s390x.s @@ -0,0 +1,11 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +TEXT ·socketcall(SB),NOSPLIT,$0-72 + JMP syscall·socketcall(SB) + +TEXT ·rawsocketcall(SB),NOSPLIT,$0-72 + JMP syscall·rawsocketcall(SB) diff --git a/vendor/golang.org/x/net/internal/socket/sys_netbsd.go b/vendor/golang.org/x/net/internal/socket/sys_netbsd.go new file mode 100644 index 000000000..431851c12 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_netbsd.go @@ -0,0 +1,25 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +import ( + "syscall" + "unsafe" +) + +const ( + sysRECVMMSG = 0x1db + sysSENDMMSG = 0x1dc +) + +func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + n, _, errno := syscall.Syscall6(sysRECVMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) + return int(n), errnoErr(errno) +} + +func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + n, _, errno := syscall.Syscall6(sysSENDMMSG, s, uintptr(unsafe.Pointer(&hs[0])), uintptr(len(hs)), uintptr(flags), 0, 0) + return int(n), errnoErr(errno) +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_posix.go b/vendor/golang.org/x/net/internal/socket/sys_posix.go new file mode 100644 index 000000000..42b8f2340 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_posix.go @@ -0,0 +1,185 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos + +package socket + +import ( + "encoding/binary" + "errors" + "net" + "runtime" + "strconv" + "sync" + "time" +) + +// marshalInetAddr writes a in sockaddr format into the buffer b. +// The buffer must be sufficiently large (sizeofSockaddrInet4/6). +// Returns the number of bytes written. +func marshalInetAddr(a net.Addr, b []byte) int { + switch a := a.(type) { + case *net.TCPAddr: + return marshalSockaddr(a.IP, a.Port, a.Zone, b) + case *net.UDPAddr: + return marshalSockaddr(a.IP, a.Port, a.Zone, b) + case *net.IPAddr: + return marshalSockaddr(a.IP, 0, a.Zone, b) + default: + return 0 + } +} + +func marshalSockaddr(ip net.IP, port int, zone string, b []byte) int { + if ip4 := ip.To4(); ip4 != nil { + switch runtime.GOOS { + case "android", "illumos", "linux", "solaris", "windows": + NativeEndian.PutUint16(b[:2], uint16(sysAF_INET)) + default: + b[0] = sizeofSockaddrInet4 + b[1] = sysAF_INET + } + binary.BigEndian.PutUint16(b[2:4], uint16(port)) + copy(b[4:8], ip4) + return sizeofSockaddrInet4 + } + if ip6 := ip.To16(); ip6 != nil && ip.To4() == nil { + switch runtime.GOOS { + case "android", "illumos", "linux", "solaris", "windows": + NativeEndian.PutUint16(b[:2], uint16(sysAF_INET6)) + default: + b[0] = sizeofSockaddrInet6 + b[1] = sysAF_INET6 + } + binary.BigEndian.PutUint16(b[2:4], uint16(port)) + copy(b[8:24], ip6) + if zone != "" { + NativeEndian.PutUint32(b[24:28], uint32(zoneCache.index(zone))) + } + return sizeofSockaddrInet6 + } + return 0 +} + +func parseInetAddr(b []byte, network string) (net.Addr, error) { + if len(b) < 2 { + return nil, errors.New("invalid address") + } + var af int + switch runtime.GOOS { + case "android", "illumos", "linux", "solaris", "windows": + af = int(NativeEndian.Uint16(b[:2])) + default: + af = int(b[1]) + } + var ip net.IP + var zone string + if af == sysAF_INET { + if len(b) < sizeofSockaddrInet4 { + return nil, errors.New("short address") + } + ip = make(net.IP, net.IPv4len) + copy(ip, b[4:8]) + } + if af == sysAF_INET6 { + if len(b) < sizeofSockaddrInet6 { + return nil, errors.New("short address") + } + ip = make(net.IP, net.IPv6len) + copy(ip, b[8:24]) + if id := int(NativeEndian.Uint32(b[24:28])); id > 0 { + zone = zoneCache.name(id) + } + } + switch network { + case "tcp", "tcp4", "tcp6": + return &net.TCPAddr{IP: ip, Port: int(binary.BigEndian.Uint16(b[2:4])), Zone: zone}, nil + case "udp", "udp4", "udp6": + return &net.UDPAddr{IP: ip, Port: int(binary.BigEndian.Uint16(b[2:4])), Zone: zone}, nil + default: + return &net.IPAddr{IP: ip, Zone: zone}, nil + } +} + +// An ipv6ZoneCache represents a cache holding partial network +// interface information. It is used for reducing the cost of IPv6 +// addressing scope zone resolution. +// +// Multiple names sharing the index are managed by first-come +// first-served basis for consistency. +type ipv6ZoneCache struct { + sync.RWMutex // guard the following + lastFetched time.Time // last time routing information was fetched + toIndex map[string]int // interface name to its index + toName map[int]string // interface index to its name +} + +var zoneCache = ipv6ZoneCache{ + toIndex: make(map[string]int), + toName: make(map[int]string), +} + +// update refreshes the network interface information if the cache was last +// updated more than 1 minute ago, or if force is set. It returns whether the +// cache was updated. +func (zc *ipv6ZoneCache) update(ift []net.Interface, force bool) (updated bool) { + zc.Lock() + defer zc.Unlock() + now := time.Now() + if !force && zc.lastFetched.After(now.Add(-60*time.Second)) { + return false + } + zc.lastFetched = now + if len(ift) == 0 { + var err error + if ift, err = net.Interfaces(); err != nil { + return false + } + } + zc.toIndex = make(map[string]int, len(ift)) + zc.toName = make(map[int]string, len(ift)) + for _, ifi := range ift { + zc.toIndex[ifi.Name] = ifi.Index + if _, ok := zc.toName[ifi.Index]; !ok { + zc.toName[ifi.Index] = ifi.Name + } + } + return true +} + +func (zc *ipv6ZoneCache) name(zone int) string { + updated := zoneCache.update(nil, false) + zoneCache.RLock() + name, ok := zoneCache.toName[zone] + zoneCache.RUnlock() + if !ok && !updated { + zoneCache.update(nil, true) + zoneCache.RLock() + name, ok = zoneCache.toName[zone] + zoneCache.RUnlock() + } + if !ok { // last resort + name = strconv.Itoa(zone) + } + return name +} + +func (zc *ipv6ZoneCache) index(zone string) int { + updated := zoneCache.update(nil, false) + zoneCache.RLock() + index, ok := zoneCache.toIndex[zone] + zoneCache.RUnlock() + if !ok && !updated { + zoneCache.update(nil, true) + zoneCache.RLock() + index, ok = zoneCache.toIndex[zone] + zoneCache.RUnlock() + } + if !ok { // last resort + index, _ = strconv.Atoi(zone) + } + return index +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_stub.go b/vendor/golang.org/x/net/internal/socket/sys_stub.go new file mode 100644 index 000000000..381e45e16 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_stub.go @@ -0,0 +1,53 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos + +package socket + +import "net" + +const ( + sysAF_UNSPEC = 0x0 + sysAF_INET = 0x2 + sysAF_INET6 = 0xa + + sysSOCK_RAW = 0x3 + + sizeofSockaddrInet4 = 0x10 + sizeofSockaddrInet6 = 0x1c +) + +func marshalInetAddr(ip net.IP, port int, zone string) []byte { + return nil +} + +func parseInetAddr(b []byte, network string) (net.Addr, error) { + return nil, errNotImplemented +} + +func getsockopt(s uintptr, level, name int, b []byte) (int, error) { + return 0, errNotImplemented +} + +func setsockopt(s uintptr, level, name int, b []byte) error { + return errNotImplemented +} + +func recvmsg(s uintptr, h *msghdr, flags int) (int, error) { + return 0, errNotImplemented +} + +func sendmsg(s uintptr, h *msghdr, flags int) (int, error) { + return 0, errNotImplemented +} + +func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + return 0, errNotImplemented +} + +func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + return 0, errNotImplemented +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_unix.go b/vendor/golang.org/x/net/internal/socket/sys_unix.go new file mode 100644 index 000000000..d203e2984 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_unix.go @@ -0,0 +1,43 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris + +package socket + +import ( + "syscall" + "unsafe" +) + +//go:linkname syscall_getsockopt syscall.getsockopt +func syscall_getsockopt(s, level, name int, val unsafe.Pointer, vallen *uint32) error + +//go:linkname syscall_setsockopt syscall.setsockopt +func syscall_setsockopt(s, level, name int, val unsafe.Pointer, vallen uintptr) error + +//go:linkname syscall_recvmsg syscall.recvmsg +func syscall_recvmsg(s int, msg *syscall.Msghdr, flags int) (int, error) + +//go:linkname syscall_sendmsg syscall.sendmsg +func syscall_sendmsg(s int, msg *syscall.Msghdr, flags int) (int, error) + +func getsockopt(s uintptr, level, name int, b []byte) (int, error) { + l := uint32(len(b)) + err := syscall_getsockopt(int(s), level, name, unsafe.Pointer(&b[0]), &l) + return int(l), err +} + +func setsockopt(s uintptr, level, name int, b []byte) error { + return syscall_setsockopt(int(s), level, name, unsafe.Pointer(&b[0]), uintptr(len(b))) +} + +func recvmsg(s uintptr, h *msghdr, flags int) (int, error) { + return syscall_recvmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags) +} + +func sendmsg(s uintptr, h *msghdr, flags int) (int, error) { + return syscall_sendmsg(int(s), (*syscall.Msghdr)(unsafe.Pointer(h)), flags) +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_windows.go b/vendor/golang.org/x/net/internal/socket/sys_windows.go new file mode 100644 index 000000000..2de0d68c6 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_windows.go @@ -0,0 +1,54 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +import ( + "syscall" + "unsafe" + + "golang.org/x/sys/windows" +) + +func probeProtocolStack() int { + var p uintptr + return int(unsafe.Sizeof(p)) +} + +const ( + sysAF_UNSPEC = windows.AF_UNSPEC + sysAF_INET = windows.AF_INET + sysAF_INET6 = windows.AF_INET6 + + sysSOCK_RAW = windows.SOCK_RAW + + sizeofSockaddrInet4 = 0x10 + sizeofSockaddrInet6 = 0x1c +) + +func getsockopt(s uintptr, level, name int, b []byte) (int, error) { + l := uint32(len(b)) + err := syscall.Getsockopt(syscall.Handle(s), int32(level), int32(name), (*byte)(unsafe.Pointer(&b[0])), (*int32)(unsafe.Pointer(&l))) + return int(l), err +} + +func setsockopt(s uintptr, level, name int, b []byte) error { + return syscall.Setsockopt(syscall.Handle(s), int32(level), int32(name), (*byte)(unsafe.Pointer(&b[0])), int32(len(b))) +} + +func recvmsg(s uintptr, h *msghdr, flags int) (int, error) { + return 0, errNotImplemented +} + +func sendmsg(s uintptr, h *msghdr, flags int) (int, error) { + return 0, errNotImplemented +} + +func recvmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + return 0, errNotImplemented +} + +func sendmmsg(s uintptr, hs []mmsghdr, flags int) (int, error) { + return 0, errNotImplemented +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_zos_s390x.go b/vendor/golang.org/x/net/internal/socket/sys_zos_s390x.go new file mode 100644 index 000000000..1e38b9223 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_zos_s390x.go @@ -0,0 +1,38 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +import ( + "syscall" + "unsafe" +) + +func syscall_syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) +func syscall_syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) + +func probeProtocolStack() int { + return 4 // sizeof(int) on GOOS=zos GOARCH=s390x +} + +func getsockopt(s uintptr, level, name int, b []byte) (int, error) { + l := uint32(len(b)) + _, _, errno := syscall_syscall6(syscall.SYS_GETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(unsafe.Pointer(&l)), 0) + return int(l), errnoErr(errno) +} + +func setsockopt(s uintptr, level, name int, b []byte) error { + _, _, errno := syscall_syscall6(syscall.SYS_SETSOCKOPT, s, uintptr(level), uintptr(name), uintptr(unsafe.Pointer(&b[0])), uintptr(len(b)), 0) + return errnoErr(errno) +} + +func recvmsg(s uintptr, h *msghdr, flags int) (int, error) { + n, _, errno := syscall_syscall(syscall.SYS___RECVMSG_A, s, uintptr(unsafe.Pointer(h)), uintptr(flags)) + return int(n), errnoErr(errno) +} + +func sendmsg(s uintptr, h *msghdr, flags int) (int, error) { + n, _, errno := syscall_syscall(syscall.SYS___SENDMSG_A, s, uintptr(unsafe.Pointer(h)), uintptr(flags)) + return int(n), errnoErr(errno) +} diff --git a/vendor/golang.org/x/net/internal/socket/sys_zos_s390x.s b/vendor/golang.org/x/net/internal/socket/sys_zos_s390x.s new file mode 100644 index 000000000..60d5839c2 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/sys_zos_s390x.s @@ -0,0 +1,11 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +#include "textflag.h" + +TEXT ·syscall_syscall(SB),NOSPLIT,$0 + JMP syscall·_syscall(SB) + +TEXT ·syscall_syscall6(SB),NOSPLIT,$0 + JMP syscall·_syscall6(SB) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_aix_ppc64.go b/vendor/golang.org/x/net/internal/socket/zsys_aix_ppc64.go new file mode 100644 index 000000000..00691bd52 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_aix_ppc64.go @@ -0,0 +1,40 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_aix.go + +// Added for go1.11 compatibility +//go:build aix +// +build aix + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen int32 + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_darwin_386.go b/vendor/golang.org/x/net/internal/socket/zsys_darwin_386.go new file mode 100644 index 000000000..5acf6db6e --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_darwin_386.go @@ -0,0 +1,30 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_darwin.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen int32 + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_darwin_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_darwin_amd64.go new file mode 100644 index 000000000..98dcfe412 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_darwin_amd64.go @@ -0,0 +1,32 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_darwin.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen int32 + Pad_cgo_1 [4]byte + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm.go new file mode 100644 index 000000000..5acf6db6e --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm.go @@ -0,0 +1,30 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_darwin.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen int32 + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm64.go new file mode 100644 index 000000000..98dcfe412 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_darwin_arm64.go @@ -0,0 +1,32 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_darwin.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen int32 + Pad_cgo_1 [4]byte + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_dragonfly_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_dragonfly_amd64.go new file mode 100644 index 000000000..636d129ae --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_dragonfly_amd64.go @@ -0,0 +1,32 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_dragonfly.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen int32 + Pad_cgo_1 [4]byte + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_386.go b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_386.go new file mode 100644 index 000000000..87707fed0 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_386.go @@ -0,0 +1,30 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen int32 + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_amd64.go new file mode 100644 index 000000000..7db778112 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_amd64.go @@ -0,0 +1,32 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen int32 + Pad_cgo_1 [4]byte + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm.go new file mode 100644 index 000000000..87707fed0 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm.go @@ -0,0 +1,30 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen int32 + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm64.go new file mode 100644 index 000000000..7db778112 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_freebsd_arm64.go @@ -0,0 +1,32 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen int32 + Pad_cgo_1 [4]byte + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_386.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_386.go new file mode 100644 index 000000000..4c19269be --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_386.go @@ -0,0 +1,35 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint32 + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_amd64.go new file mode 100644 index 000000000..3dcd5c8ed --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_amd64.go @@ -0,0 +1,38 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen uint64 + Control *byte + Controllen uint64 + Flags int32 + Pad_cgo_1 [4]byte +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint64 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x38 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_arm.go new file mode 100644 index 000000000..4c19269be --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_arm.go @@ -0,0 +1,35 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint32 + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_arm64.go new file mode 100644 index 000000000..3dcd5c8ed --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_arm64.go @@ -0,0 +1,38 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen uint64 + Control *byte + Controllen uint64 + Flags int32 + Pad_cgo_1 [4]byte +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint64 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x38 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_loong64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_loong64.go new file mode 100644 index 000000000..6a94fec2c --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_loong64.go @@ -0,0 +1,40 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +//go:build loong64 +// +build loong64 + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint64 + Control *byte + Controllen uint64 + Flags int32 + Pad_cgo_0 [4]byte +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint64 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x38 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_mips.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips.go new file mode 100644 index 000000000..4c19269be --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips.go @@ -0,0 +1,35 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint32 + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64.go new file mode 100644 index 000000000..3dcd5c8ed --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64.go @@ -0,0 +1,38 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen uint64 + Control *byte + Controllen uint64 + Flags int32 + Pad_cgo_1 [4]byte +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint64 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x38 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64le.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64le.go new file mode 100644 index 000000000..3dcd5c8ed --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_mips64le.go @@ -0,0 +1,38 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen uint64 + Control *byte + Controllen uint64 + Flags int32 + Pad_cgo_1 [4]byte +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint64 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x38 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_mipsle.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_mipsle.go new file mode 100644 index 000000000..4c19269be --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_mipsle.go @@ -0,0 +1,35 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint32 + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc.go new file mode 100644 index 000000000..4c19269be --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc.go @@ -0,0 +1,35 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint32 + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64.go new file mode 100644 index 000000000..3dcd5c8ed --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64.go @@ -0,0 +1,38 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen uint64 + Control *byte + Controllen uint64 + Flags int32 + Pad_cgo_1 [4]byte +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint64 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x38 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64le.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64le.go new file mode 100644 index 000000000..3dcd5c8ed --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_ppc64le.go @@ -0,0 +1,38 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen uint64 + Control *byte + Controllen uint64 + Flags int32 + Pad_cgo_1 [4]byte +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint64 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x38 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_riscv64.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_riscv64.go new file mode 100644 index 000000000..c066272dd --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_riscv64.go @@ -0,0 +1,40 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +//go:build riscv64 +// +build riscv64 + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint64 + Control *byte + Controllen uint64 + Flags int32 + Pad_cgo_0 [4]byte +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint64 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x38 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_linux_s390x.go b/vendor/golang.org/x/net/internal/socket/zsys_linux_s390x.go new file mode 100644 index 000000000..3dcd5c8ed --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_linux_s390x.go @@ -0,0 +1,38 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen uint64 + Control *byte + Controllen uint64 + Flags int32 + Pad_cgo_1 [4]byte +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint64 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x38 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_386.go b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_386.go new file mode 100644 index 000000000..f95572dc0 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_386.go @@ -0,0 +1,35 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_netbsd.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen int32 + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_amd64.go new file mode 100644 index 000000000..a92fd60e4 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_amd64.go @@ -0,0 +1,38 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_netbsd.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen int32 + Pad_cgo_1 [4]byte + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm.go new file mode 100644 index 000000000..f95572dc0 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm.go @@ -0,0 +1,35 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_netbsd.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen int32 + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm64.go new file mode 100644 index 000000000..a92fd60e4 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_netbsd_arm64.go @@ -0,0 +1,38 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_netbsd.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen int32 + Pad_cgo_1 [4]byte + Control *byte + Controllen uint32 + Flags int32 +} + +type mmsghdr struct { + Hdr msghdr + Len uint32 + Pad_cgo_0 [4]byte +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_386.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_386.go new file mode 100644 index 000000000..e792ec211 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_386.go @@ -0,0 +1,30 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_openbsd.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint32 + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_amd64.go new file mode 100644 index 000000000..b68ff2d57 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_amd64.go @@ -0,0 +1,32 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_openbsd.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen uint32 + Pad_cgo_1 [4]byte + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm.go new file mode 100644 index 000000000..e792ec211 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm.go @@ -0,0 +1,30 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_openbsd.go + +package socket + +type iovec struct { + Base *byte + Len uint32 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint32 + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x8 + sizeofMsghdr = 0x1c +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm64.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm64.go new file mode 100644 index 000000000..b68ff2d57 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_arm64.go @@ -0,0 +1,32 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_openbsd.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen uint32 + Pad_cgo_1 [4]byte + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_openbsd_mips64.go b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_mips64.go new file mode 100644 index 000000000..3c9576e2d --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_openbsd_mips64.go @@ -0,0 +1,30 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_openbsd.go + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Iov *iovec + Iovlen uint32 + Control *byte + Controllen uint32 + Flags int32 +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_solaris_amd64.go b/vendor/golang.org/x/net/internal/socket/zsys_solaris_amd64.go new file mode 100644 index 000000000..359cfec40 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_solaris_amd64.go @@ -0,0 +1,32 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_solaris.go + +package socket + +type iovec struct { + Base *int8 + Len uint64 +} + +type msghdr struct { + Name *byte + Namelen uint32 + Pad_cgo_0 [4]byte + Iov *iovec + Iovlen int32 + Pad_cgo_1 [4]byte + Accrights *int8 + Accrightslen int32 + Pad_cgo_2 [4]byte +} + +type cmsghdr struct { + Len uint32 + Level int32 + Type int32 +} + +const ( + sizeofIovec = 0x10 + sizeofMsghdr = 0x30 +) diff --git a/vendor/golang.org/x/net/internal/socket/zsys_zos_s390x.go b/vendor/golang.org/x/net/internal/socket/zsys_zos_s390x.go new file mode 100644 index 000000000..49b62c856 --- /dev/null +++ b/vendor/golang.org/x/net/internal/socket/zsys_zos_s390x.go @@ -0,0 +1,28 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package socket + +type iovec struct { + Base *byte + Len uint64 +} + +type msghdr struct { + Name *byte + Iov *iovec + Control *byte + Flags int32 + Namelen uint32 + Iovlen int32 + Controllen uint32 +} + +type cmsghdr struct { + Len int32 + Level int32 + Type int32 +} + +const sizeofCmsghdr = 12 diff --git a/vendor/golang.org/x/net/ipv4/batch.go b/vendor/golang.org/x/net/ipv4/batch.go new file mode 100644 index 000000000..1a3a4fc0c --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/batch.go @@ -0,0 +1,194 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + "runtime" + + "golang.org/x/net/internal/socket" +) + +// BUG(mikio): On Windows, the ReadBatch and WriteBatch methods of +// PacketConn are not implemented. + +// BUG(mikio): On Windows, the ReadBatch and WriteBatch methods of +// RawConn are not implemented. + +// A Message represents an IO message. +// +// type Message struct { +// Buffers [][]byte +// OOB []byte +// Addr net.Addr +// N int +// NN int +// Flags int +// } +// +// The Buffers fields represents a list of contiguous buffers, which +// can be used for vectored IO, for example, putting a header and a +// payload in each slice. +// When writing, the Buffers field must contain at least one byte to +// write. +// When reading, the Buffers field will always contain a byte to read. +// +// The OOB field contains protocol-specific control or miscellaneous +// ancillary data known as out-of-band data. +// It can be nil when not required. +// +// The Addr field specifies a destination address when writing. +// It can be nil when the underlying protocol of the endpoint uses +// connection-oriented communication. +// After a successful read, it may contain the source address on the +// received packet. +// +// The N field indicates the number of bytes read or written from/to +// Buffers. +// +// The NN field indicates the number of bytes read or written from/to +// OOB. +// +// The Flags field contains protocol-specific information on the +// received message. +type Message = socket.Message + +// ReadBatch reads a batch of messages. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_PEEK. +// +// On a successful read it returns the number of messages received, up +// to len(ms). +// +// On Linux, a batch read will be optimized. +// On other platforms, this method will read only a single message. +// +// Unlike the ReadFrom method, it doesn't strip the IPv4 header +// followed by option headers from the received IPv4 datagram when the +// underlying transport is net.IPConn. Each Buffers field of Message +// must be large enough to accommodate an IPv4 header and option +// headers. +func (c *payloadHandler) ReadBatch(ms []Message, flags int) (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + switch runtime.GOOS { + case "linux": + n, err := c.RecvMsgs([]socket.Message(ms), flags) + if err != nil { + err = &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + return n, err + default: + n := 1 + err := c.RecvMsg(&ms[0], flags) + if err != nil { + n = 0 + err = &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + if compatFreeBSD32 && ms[0].NN > 0 { + adjustFreeBSD32(&ms[0]) + } + return n, err + } +} + +// WriteBatch writes a batch of messages. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_DONTROUTE. +// +// It returns the number of messages written on a successful write. +// +// On Linux, a batch write will be optimized. +// On other platforms, this method will write only a single message. +func (c *payloadHandler) WriteBatch(ms []Message, flags int) (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + switch runtime.GOOS { + case "linux": + n, err := c.SendMsgs([]socket.Message(ms), flags) + if err != nil { + err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + return n, err + default: + n := 1 + err := c.SendMsg(&ms[0], flags) + if err != nil { + n = 0 + err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + return n, err + } +} + +// ReadBatch reads a batch of messages. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_PEEK. +// +// On a successful read it returns the number of messages received, up +// to len(ms). +// +// On Linux, a batch read will be optimized. +// On other platforms, this method will read only a single message. +func (c *packetHandler) ReadBatch(ms []Message, flags int) (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + switch runtime.GOOS { + case "linux": + n, err := c.RecvMsgs([]socket.Message(ms), flags) + if err != nil { + err = &net.OpError{Op: "read", Net: c.IPConn.LocalAddr().Network(), Source: c.IPConn.LocalAddr(), Err: err} + } + return n, err + default: + n := 1 + err := c.RecvMsg(&ms[0], flags) + if err != nil { + n = 0 + err = &net.OpError{Op: "read", Net: c.IPConn.LocalAddr().Network(), Source: c.IPConn.LocalAddr(), Err: err} + } + if compatFreeBSD32 && ms[0].NN > 0 { + adjustFreeBSD32(&ms[0]) + } + return n, err + } +} + +// WriteBatch writes a batch of messages. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_DONTROUTE. +// +// It returns the number of messages written on a successful write. +// +// On Linux, a batch write will be optimized. +// On other platforms, this method will write only a single message. +func (c *packetHandler) WriteBatch(ms []Message, flags int) (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + switch runtime.GOOS { + case "linux": + n, err := c.SendMsgs([]socket.Message(ms), flags) + if err != nil { + err = &net.OpError{Op: "write", Net: c.IPConn.LocalAddr().Network(), Source: c.IPConn.LocalAddr(), Err: err} + } + return n, err + default: + n := 1 + err := c.SendMsg(&ms[0], flags) + if err != nil { + n = 0 + err = &net.OpError{Op: "write", Net: c.IPConn.LocalAddr().Network(), Source: c.IPConn.LocalAddr(), Err: err} + } + return n, err + } +} diff --git a/vendor/golang.org/x/net/ipv4/control.go b/vendor/golang.org/x/net/ipv4/control.go new file mode 100644 index 000000000..a2b02ca95 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/control.go @@ -0,0 +1,144 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "fmt" + "net" + "sync" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" +) + +type rawOpt struct { + sync.RWMutex + cflags ControlFlags +} + +func (c *rawOpt) set(f ControlFlags) { c.cflags |= f } +func (c *rawOpt) clear(f ControlFlags) { c.cflags &^= f } +func (c *rawOpt) isset(f ControlFlags) bool { return c.cflags&f != 0 } + +type ControlFlags uint + +const ( + FlagTTL ControlFlags = 1 << iota // pass the TTL on the received packet + FlagSrc // pass the source address on the received packet + FlagDst // pass the destination address on the received packet + FlagInterface // pass the interface index on the received packet +) + +// A ControlMessage represents per packet basis IP-level socket options. +type ControlMessage struct { + // Receiving socket options: SetControlMessage allows to + // receive the options from the protocol stack using ReadFrom + // method of PacketConn or RawConn. + // + // Specifying socket options: ControlMessage for WriteTo + // method of PacketConn or RawConn allows to send the options + // to the protocol stack. + // + TTL int // time-to-live, receiving only + Src net.IP // source address, specifying only + Dst net.IP // destination address, receiving only + IfIndex int // interface index, must be 1 <= value when specifying +} + +func (cm *ControlMessage) String() string { + if cm == nil { + return "" + } + return fmt.Sprintf("ttl=%d src=%v dst=%v ifindex=%d", cm.TTL, cm.Src, cm.Dst, cm.IfIndex) +} + +// Marshal returns the binary encoding of cm. +func (cm *ControlMessage) Marshal() []byte { + if cm == nil { + return nil + } + var m socket.ControlMessage + if ctlOpts[ctlPacketInfo].name > 0 && (cm.Src.To4() != nil || cm.IfIndex > 0) { + m = socket.NewControlMessage([]int{ctlOpts[ctlPacketInfo].length}) + } + if len(m) > 0 { + ctlOpts[ctlPacketInfo].marshal(m, cm) + } + return m +} + +// Parse parses b as a control message and stores the result in cm. +func (cm *ControlMessage) Parse(b []byte) error { + ms, err := socket.ControlMessage(b).Parse() + if err != nil { + return err + } + for _, m := range ms { + lvl, typ, l, err := m.ParseHeader() + if err != nil { + return err + } + if lvl != iana.ProtocolIP { + continue + } + switch { + case typ == ctlOpts[ctlTTL].name && l >= ctlOpts[ctlTTL].length: + ctlOpts[ctlTTL].parse(cm, m.Data(l)) + case typ == ctlOpts[ctlDst].name && l >= ctlOpts[ctlDst].length: + ctlOpts[ctlDst].parse(cm, m.Data(l)) + case typ == ctlOpts[ctlInterface].name && l >= ctlOpts[ctlInterface].length: + ctlOpts[ctlInterface].parse(cm, m.Data(l)) + case typ == ctlOpts[ctlPacketInfo].name && l >= ctlOpts[ctlPacketInfo].length: + ctlOpts[ctlPacketInfo].parse(cm, m.Data(l)) + } + } + return nil +} + +// NewControlMessage returns a new control message. +// +// The returned message is large enough for options specified by cf. +func NewControlMessage(cf ControlFlags) []byte { + opt := rawOpt{cflags: cf} + var l int + if opt.isset(FlagTTL) && ctlOpts[ctlTTL].name > 0 { + l += socket.ControlMessageSpace(ctlOpts[ctlTTL].length) + } + if ctlOpts[ctlPacketInfo].name > 0 { + if opt.isset(FlagSrc | FlagDst | FlagInterface) { + l += socket.ControlMessageSpace(ctlOpts[ctlPacketInfo].length) + } + } else { + if opt.isset(FlagDst) && ctlOpts[ctlDst].name > 0 { + l += socket.ControlMessageSpace(ctlOpts[ctlDst].length) + } + if opt.isset(FlagInterface) && ctlOpts[ctlInterface].name > 0 { + l += socket.ControlMessageSpace(ctlOpts[ctlInterface].length) + } + } + var b []byte + if l > 0 { + b = make([]byte, l) + } + return b +} + +// Ancillary data socket options +const ( + ctlTTL = iota // header field + ctlSrc // header field + ctlDst // header field + ctlInterface // inbound or outbound interface + ctlPacketInfo // inbound or outbound packet path + ctlMax +) + +// A ctlOpt represents a binding for ancillary data socket option. +type ctlOpt struct { + name int // option name, must be equal or greater than 1 + length int // option length + marshal func([]byte, *ControlMessage) []byte + parse func(*ControlMessage, []byte) +} diff --git a/vendor/golang.org/x/net/ipv4/control_bsd.go b/vendor/golang.org/x/net/ipv4/control_bsd.go new file mode 100644 index 000000000..b7385dfd9 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/control_bsd.go @@ -0,0 +1,44 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd +// +build aix darwin dragonfly freebsd netbsd openbsd + +package ipv4 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +func marshalDst(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIP, unix.IP_RECVDSTADDR, net.IPv4len) + return m.Next(net.IPv4len) +} + +func parseDst(cm *ControlMessage, b []byte) { + if len(cm.Dst) < net.IPv4len { + cm.Dst = make(net.IP, net.IPv4len) + } + copy(cm.Dst, b[:net.IPv4len]) +} + +func marshalInterface(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIP, sockoptReceiveInterface, syscall.SizeofSockaddrDatalink) + return m.Next(syscall.SizeofSockaddrDatalink) +} + +func parseInterface(cm *ControlMessage, b []byte) { + var sadl syscall.SockaddrDatalink + copy((*[unsafe.Sizeof(sadl)]byte)(unsafe.Pointer(&sadl))[:], b) + cm.IfIndex = int(sadl.Index) +} diff --git a/vendor/golang.org/x/net/ipv4/control_pktinfo.go b/vendor/golang.org/x/net/ipv4/control_pktinfo.go new file mode 100644 index 000000000..0e748dbdc --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/control_pktinfo.go @@ -0,0 +1,42 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build darwin || linux || solaris +// +build darwin linux solaris + +package ipv4 + +import ( + "net" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +func marshalPacketInfo(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIP, unix.IP_PKTINFO, sizeofInetPktinfo) + if cm != nil { + pi := (*inetPktinfo)(unsafe.Pointer(&m.Data(sizeofInetPktinfo)[0])) + if ip := cm.Src.To4(); ip != nil { + copy(pi.Spec_dst[:], ip) + } + if cm.IfIndex > 0 { + pi.setIfindex(cm.IfIndex) + } + } + return m.Next(sizeofInetPktinfo) +} + +func parsePacketInfo(cm *ControlMessage, b []byte) { + pi := (*inetPktinfo)(unsafe.Pointer(&b[0])) + cm.IfIndex = int(pi.Ifindex) + if len(cm.Dst) < net.IPv4len { + cm.Dst = make(net.IP, net.IPv4len) + } + copy(cm.Dst, pi.Addr[:]) +} diff --git a/vendor/golang.org/x/net/ipv4/control_stub.go b/vendor/golang.org/x/net/ipv4/control_stub.go new file mode 100644 index 000000000..f27322c3e --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/control_stub.go @@ -0,0 +1,14 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos + +package ipv4 + +import "golang.org/x/net/internal/socket" + +func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv4/control_unix.go b/vendor/golang.org/x/net/ipv4/control_unix.go new file mode 100644 index 000000000..2413e02f8 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/control_unix.go @@ -0,0 +1,76 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris + +package ipv4 + +import ( + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error { + opt.Lock() + defer opt.Unlock() + if so, ok := sockOpts[ssoReceiveTTL]; ok && cf&FlagTTL != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(FlagTTL) + } else { + opt.clear(FlagTTL) + } + } + if so, ok := sockOpts[ssoPacketInfo]; ok { + if cf&(FlagSrc|FlagDst|FlagInterface) != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(cf & (FlagSrc | FlagDst | FlagInterface)) + } else { + opt.clear(cf & (FlagSrc | FlagDst | FlagInterface)) + } + } + } else { + if so, ok := sockOpts[ssoReceiveDst]; ok && cf&FlagDst != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(FlagDst) + } else { + opt.clear(FlagDst) + } + } + if so, ok := sockOpts[ssoReceiveInterface]; ok && cf&FlagInterface != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(FlagInterface) + } else { + opt.clear(FlagInterface) + } + } + } + return nil +} + +func marshalTTL(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIP, unix.IP_RECVTTL, 1) + return m.Next(1) +} + +func parseTTL(cm *ControlMessage, b []byte) { + cm.TTL = int(*(*byte)(unsafe.Pointer(&b[:1][0]))) +} diff --git a/vendor/golang.org/x/net/ipv4/control_windows.go b/vendor/golang.org/x/net/ipv4/control_windows.go new file mode 100644 index 000000000..82c630642 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/control_windows.go @@ -0,0 +1,12 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import "golang.org/x/net/internal/socket" + +func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error { + // TODO(mikio): implement this + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv4/control_zos.go b/vendor/golang.org/x/net/ipv4/control_zos.go new file mode 100644 index 000000000..de11c42e5 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/control_zos.go @@ -0,0 +1,88 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +func marshalPacketInfo(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIP, unix.IP_PKTINFO, sizeofInetPktinfo) + if cm != nil { + pi := (*inetPktinfo)(unsafe.Pointer(&m.Data(sizeofInetPktinfo)[0])) + if ip := cm.Src.To4(); ip != nil { + copy(pi.Addr[:], ip) + } + if cm.IfIndex > 0 { + pi.setIfindex(cm.IfIndex) + } + } + return m.Next(sizeofInetPktinfo) +} + +func parsePacketInfo(cm *ControlMessage, b []byte) { + pi := (*inetPktinfo)(unsafe.Pointer(&b[0])) + cm.IfIndex = int(pi.Ifindex) + if len(cm.Dst) < net.IPv4len { + cm.Dst = make(net.IP, net.IPv4len) + } + copy(cm.Dst, pi.Addr[:]) +} + +func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error { + opt.Lock() + defer opt.Unlock() + if so, ok := sockOpts[ssoReceiveTTL]; ok && cf&FlagTTL != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(FlagTTL) + } else { + opt.clear(FlagTTL) + } + } + if so, ok := sockOpts[ssoPacketInfo]; ok { + if cf&(FlagSrc|FlagDst|FlagInterface) != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(cf & (FlagSrc | FlagDst | FlagInterface)) + } else { + opt.clear(cf & (FlagSrc | FlagDst | FlagInterface)) + } + } + } else { + if so, ok := sockOpts[ssoReceiveDst]; ok && cf&FlagDst != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(FlagDst) + } else { + opt.clear(FlagDst) + } + } + if so, ok := sockOpts[ssoReceiveInterface]; ok && cf&FlagInterface != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(FlagInterface) + } else { + opt.clear(FlagInterface) + } + } + } + return nil +} diff --git a/vendor/golang.org/x/net/ipv4/dgramopt.go b/vendor/golang.org/x/net/ipv4/dgramopt.go new file mode 100644 index 000000000..c191c22ab --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/dgramopt.go @@ -0,0 +1,264 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + + "golang.org/x/net/bpf" +) + +// MulticastTTL returns the time-to-live field value for outgoing +// multicast packets. +func (c *dgramOpt) MulticastTTL() (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + so, ok := sockOpts[ssoMulticastTTL] + if !ok { + return 0, errNotImplemented + } + return so.GetInt(c.Conn) +} + +// SetMulticastTTL sets the time-to-live field value for future +// outgoing multicast packets. +func (c *dgramOpt) SetMulticastTTL(ttl int) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoMulticastTTL] + if !ok { + return errNotImplemented + } + return so.SetInt(c.Conn, ttl) +} + +// MulticastInterface returns the default interface for multicast +// packet transmissions. +func (c *dgramOpt) MulticastInterface() (*net.Interface, error) { + if !c.ok() { + return nil, errInvalidConn + } + so, ok := sockOpts[ssoMulticastInterface] + if !ok { + return nil, errNotImplemented + } + return so.getMulticastInterface(c.Conn) +} + +// SetMulticastInterface sets the default interface for future +// multicast packet transmissions. +func (c *dgramOpt) SetMulticastInterface(ifi *net.Interface) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoMulticastInterface] + if !ok { + return errNotImplemented + } + return so.setMulticastInterface(c.Conn, ifi) +} + +// MulticastLoopback reports whether transmitted multicast packets +// should be copied and send back to the originator. +func (c *dgramOpt) MulticastLoopback() (bool, error) { + if !c.ok() { + return false, errInvalidConn + } + so, ok := sockOpts[ssoMulticastLoopback] + if !ok { + return false, errNotImplemented + } + on, err := so.GetInt(c.Conn) + if err != nil { + return false, err + } + return on == 1, nil +} + +// SetMulticastLoopback sets whether transmitted multicast packets +// should be copied and send back to the originator. +func (c *dgramOpt) SetMulticastLoopback(on bool) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoMulticastLoopback] + if !ok { + return errNotImplemented + } + return so.SetInt(c.Conn, boolint(on)) +} + +// JoinGroup joins the group address group on the interface ifi. +// By default all sources that can cast data to group are accepted. +// It's possible to mute and unmute data transmission from a specific +// source by using ExcludeSourceSpecificGroup and +// IncludeSourceSpecificGroup. +// JoinGroup uses the system assigned multicast interface when ifi is +// nil, although this is not recommended because the assignment +// depends on platforms and sometimes it might require routing +// configuration. +func (c *dgramOpt) JoinGroup(ifi *net.Interface, group net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoJoinGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP4(group) + if grp == nil { + return errMissingAddress + } + return so.setGroup(c.Conn, ifi, grp) +} + +// LeaveGroup leaves the group address group on the interface ifi +// regardless of whether the group is any-source group or +// source-specific group. +func (c *dgramOpt) LeaveGroup(ifi *net.Interface, group net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoLeaveGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP4(group) + if grp == nil { + return errMissingAddress + } + return so.setGroup(c.Conn, ifi, grp) +} + +// JoinSourceSpecificGroup joins the source-specific group comprising +// group and source on the interface ifi. +// JoinSourceSpecificGroup uses the system assigned multicast +// interface when ifi is nil, although this is not recommended because +// the assignment depends on platforms and sometimes it might require +// routing configuration. +func (c *dgramOpt) JoinSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoJoinSourceGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP4(group) + if grp == nil { + return errMissingAddress + } + src := netAddrToIP4(source) + if src == nil { + return errMissingAddress + } + return so.setSourceGroup(c.Conn, ifi, grp, src) +} + +// LeaveSourceSpecificGroup leaves the source-specific group on the +// interface ifi. +func (c *dgramOpt) LeaveSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoLeaveSourceGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP4(group) + if grp == nil { + return errMissingAddress + } + src := netAddrToIP4(source) + if src == nil { + return errMissingAddress + } + return so.setSourceGroup(c.Conn, ifi, grp, src) +} + +// ExcludeSourceSpecificGroup excludes the source-specific group from +// the already joined any-source groups by JoinGroup on the interface +// ifi. +func (c *dgramOpt) ExcludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoBlockSourceGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP4(group) + if grp == nil { + return errMissingAddress + } + src := netAddrToIP4(source) + if src == nil { + return errMissingAddress + } + return so.setSourceGroup(c.Conn, ifi, grp, src) +} + +// IncludeSourceSpecificGroup includes the excluded source-specific +// group by ExcludeSourceSpecificGroup again on the interface ifi. +func (c *dgramOpt) IncludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoUnblockSourceGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP4(group) + if grp == nil { + return errMissingAddress + } + src := netAddrToIP4(source) + if src == nil { + return errMissingAddress + } + return so.setSourceGroup(c.Conn, ifi, grp, src) +} + +// ICMPFilter returns an ICMP filter. +// Currently only Linux supports this. +func (c *dgramOpt) ICMPFilter() (*ICMPFilter, error) { + if !c.ok() { + return nil, errInvalidConn + } + so, ok := sockOpts[ssoICMPFilter] + if !ok { + return nil, errNotImplemented + } + return so.getICMPFilter(c.Conn) +} + +// SetICMPFilter deploys the ICMP filter. +// Currently only Linux supports this. +func (c *dgramOpt) SetICMPFilter(f *ICMPFilter) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoICMPFilter] + if !ok { + return errNotImplemented + } + return so.setICMPFilter(c.Conn, f) +} + +// SetBPF attaches a BPF program to the connection. +// +// Only supported on Linux. +func (c *dgramOpt) SetBPF(filter []bpf.RawInstruction) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoAttachFilter] + if !ok { + return errNotImplemented + } + return so.setBPF(c.Conn, filter) +} diff --git a/vendor/golang.org/x/net/ipv4/doc.go b/vendor/golang.org/x/net/ipv4/doc.go new file mode 100644 index 000000000..6fbdc52b9 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/doc.go @@ -0,0 +1,240 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package ipv4 implements IP-level socket options for the Internet +// Protocol version 4. +// +// The package provides IP-level socket options that allow +// manipulation of IPv4 facilities. +// +// The IPv4 protocol and basic host requirements for IPv4 are defined +// in RFC 791 and RFC 1122. +// Host extensions for multicasting and socket interface extensions +// for multicast source filters are defined in RFC 1112 and RFC 3678. +// IGMPv1, IGMPv2 and IGMPv3 are defined in RFC 1112, RFC 2236 and RFC +// 3376. +// Source-specific multicast is defined in RFC 4607. +// +// # Unicasting +// +// The options for unicasting are available for net.TCPConn, +// net.UDPConn and net.IPConn which are created as network connections +// that use the IPv4 transport. When a single TCP connection carrying +// a data flow of multiple packets needs to indicate the flow is +// important, Conn is used to set the type-of-service field on the +// IPv4 header for each packet. +// +// ln, err := net.Listen("tcp4", "0.0.0.0:1024") +// if err != nil { +// // error handling +// } +// defer ln.Close() +// for { +// c, err := ln.Accept() +// if err != nil { +// // error handling +// } +// go func(c net.Conn) { +// defer c.Close() +// +// The outgoing packets will be labeled DiffServ assured forwarding +// class 1 low drop precedence, known as AF11 packets. +// +// if err := ipv4.NewConn(c).SetTOS(0x28); err != nil { +// // error handling +// } +// if _, err := c.Write(data); err != nil { +// // error handling +// } +// }(c) +// } +// +// # Multicasting +// +// The options for multicasting are available for net.UDPConn and +// net.IPConn which are created as network connections that use the +// IPv4 transport. A few network facilities must be prepared before +// you begin multicasting, at a minimum joining network interfaces and +// multicast groups. +// +// en0, err := net.InterfaceByName("en0") +// if err != nil { +// // error handling +// } +// en1, err := net.InterfaceByIndex(911) +// if err != nil { +// // error handling +// } +// group := net.IPv4(224, 0, 0, 250) +// +// First, an application listens to an appropriate address with an +// appropriate service port. +// +// c, err := net.ListenPacket("udp4", "0.0.0.0:1024") +// if err != nil { +// // error handling +// } +// defer c.Close() +// +// Second, the application joins multicast groups, starts listening to +// the groups on the specified network interfaces. Note that the +// service port for transport layer protocol does not matter with this +// operation as joining groups affects only network and link layer +// protocols, such as IPv4 and Ethernet. +// +// p := ipv4.NewPacketConn(c) +// if err := p.JoinGroup(en0, &net.UDPAddr{IP: group}); err != nil { +// // error handling +// } +// if err := p.JoinGroup(en1, &net.UDPAddr{IP: group}); err != nil { +// // error handling +// } +// +// The application might set per packet control message transmissions +// between the protocol stack within the kernel. When the application +// needs a destination address on an incoming packet, +// SetControlMessage of PacketConn is used to enable control message +// transmissions. +// +// if err := p.SetControlMessage(ipv4.FlagDst, true); err != nil { +// // error handling +// } +// +// The application could identify whether the received packets are +// of interest by using the control message that contains the +// destination address of the received packet. +// +// b := make([]byte, 1500) +// for { +// n, cm, src, err := p.ReadFrom(b) +// if err != nil { +// // error handling +// } +// if cm.Dst.IsMulticast() { +// if cm.Dst.Equal(group) { +// // joined group, do something +// } else { +// // unknown group, discard +// continue +// } +// } +// +// The application can also send both unicast and multicast packets. +// +// p.SetTOS(0x0) +// p.SetTTL(16) +// if _, err := p.WriteTo(data, nil, src); err != nil { +// // error handling +// } +// dst := &net.UDPAddr{IP: group, Port: 1024} +// for _, ifi := range []*net.Interface{en0, en1} { +// if err := p.SetMulticastInterface(ifi); err != nil { +// // error handling +// } +// p.SetMulticastTTL(2) +// if _, err := p.WriteTo(data, nil, dst); err != nil { +// // error handling +// } +// } +// } +// +// # More multicasting +// +// An application that uses PacketConn or RawConn may join multiple +// multicast groups. For example, a UDP listener with port 1024 might +// join two different groups across over two different network +// interfaces by using: +// +// c, err := net.ListenPacket("udp4", "0.0.0.0:1024") +// if err != nil { +// // error handling +// } +// defer c.Close() +// p := ipv4.NewPacketConn(c) +// if err := p.JoinGroup(en0, &net.UDPAddr{IP: net.IPv4(224, 0, 0, 248)}); err != nil { +// // error handling +// } +// if err := p.JoinGroup(en0, &net.UDPAddr{IP: net.IPv4(224, 0, 0, 249)}); err != nil { +// // error handling +// } +// if err := p.JoinGroup(en1, &net.UDPAddr{IP: net.IPv4(224, 0, 0, 249)}); err != nil { +// // error handling +// } +// +// It is possible for multiple UDP listeners that listen on the same +// UDP port to join the same multicast group. The net package will +// provide a socket that listens to a wildcard address with reusable +// UDP port when an appropriate multicast address prefix is passed to +// the net.ListenPacket or net.ListenUDP. +// +// c1, err := net.ListenPacket("udp4", "224.0.0.0:1024") +// if err != nil { +// // error handling +// } +// defer c1.Close() +// c2, err := net.ListenPacket("udp4", "224.0.0.0:1024") +// if err != nil { +// // error handling +// } +// defer c2.Close() +// p1 := ipv4.NewPacketConn(c1) +// if err := p1.JoinGroup(en0, &net.UDPAddr{IP: net.IPv4(224, 0, 0, 248)}); err != nil { +// // error handling +// } +// p2 := ipv4.NewPacketConn(c2) +// if err := p2.JoinGroup(en0, &net.UDPAddr{IP: net.IPv4(224, 0, 0, 248)}); err != nil { +// // error handling +// } +// +// Also it is possible for the application to leave or rejoin a +// multicast group on the network interface. +// +// if err := p.LeaveGroup(en0, &net.UDPAddr{IP: net.IPv4(224, 0, 0, 248)}); err != nil { +// // error handling +// } +// if err := p.JoinGroup(en0, &net.UDPAddr{IP: net.IPv4(224, 0, 0, 250)}); err != nil { +// // error handling +// } +// +// # Source-specific multicasting +// +// An application that uses PacketConn or RawConn on IGMPv3 supported +// platform is able to join source-specific multicast groups. +// The application may use JoinSourceSpecificGroup and +// LeaveSourceSpecificGroup for the operation known as "include" mode, +// +// ssmgroup := net.UDPAddr{IP: net.IPv4(232, 7, 8, 9)} +// ssmsource := net.UDPAddr{IP: net.IPv4(192, 168, 0, 1)} +// if err := p.JoinSourceSpecificGroup(en0, &ssmgroup, &ssmsource); err != nil { +// // error handling +// } +// if err := p.LeaveSourceSpecificGroup(en0, &ssmgroup, &ssmsource); err != nil { +// // error handling +// } +// +// or JoinGroup, ExcludeSourceSpecificGroup, +// IncludeSourceSpecificGroup and LeaveGroup for the operation known +// as "exclude" mode. +// +// exclsource := net.UDPAddr{IP: net.IPv4(192, 168, 0, 254)} +// if err := p.JoinGroup(en0, &ssmgroup); err != nil { +// // error handling +// } +// if err := p.ExcludeSourceSpecificGroup(en0, &ssmgroup, &exclsource); err != nil { +// // error handling +// } +// if err := p.LeaveGroup(en0, &ssmgroup); err != nil { +// // error handling +// } +// +// Note that it depends on each platform implementation what happens +// when an application which runs on IGMPv3 unsupported platform uses +// JoinSourceSpecificGroup and LeaveSourceSpecificGroup. +// In general the platform tries to fall back to conversations using +// IGMPv1 or IGMPv2 and starts to listen to multicast traffic. +// In the fallback case, ExcludeSourceSpecificGroup and +// IncludeSourceSpecificGroup may return an error. +package ipv4 // import "golang.org/x/net/ipv4" + +// BUG(mikio): This package is not implemented on JS, NaCl and Plan 9. diff --git a/vendor/golang.org/x/net/ipv4/endpoint.go b/vendor/golang.org/x/net/ipv4/endpoint.go new file mode 100644 index 000000000..4a6d7a85e --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/endpoint.go @@ -0,0 +1,186 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + "time" + + "golang.org/x/net/internal/socket" +) + +// BUG(mikio): On Windows, the JoinSourceSpecificGroup, +// LeaveSourceSpecificGroup, ExcludeSourceSpecificGroup and +// IncludeSourceSpecificGroup methods of PacketConn and RawConn are +// not implemented. + +// A Conn represents a network endpoint that uses the IPv4 transport. +// It is used to control basic IP-level socket options such as TOS and +// TTL. +type Conn struct { + genericOpt +} + +type genericOpt struct { + *socket.Conn +} + +func (c *genericOpt) ok() bool { return c != nil && c.Conn != nil } + +// NewConn returns a new Conn. +func NewConn(c net.Conn) *Conn { + cc, _ := socket.NewConn(c) + return &Conn{ + genericOpt: genericOpt{Conn: cc}, + } +} + +// A PacketConn represents a packet network endpoint that uses the +// IPv4 transport. It is used to control several IP-level socket +// options including multicasting. It also provides datagram based +// network I/O methods specific to the IPv4 and higher layer protocols +// such as UDP. +type PacketConn struct { + genericOpt + dgramOpt + payloadHandler +} + +type dgramOpt struct { + *socket.Conn +} + +func (c *dgramOpt) ok() bool { return c != nil && c.Conn != nil } + +// SetControlMessage sets the per packet IP-level socket options. +func (c *PacketConn) SetControlMessage(cf ControlFlags, on bool) error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return setControlMessage(c.dgramOpt.Conn, &c.payloadHandler.rawOpt, cf, on) +} + +// SetDeadline sets the read and write deadlines associated with the +// endpoint. +func (c *PacketConn) SetDeadline(t time.Time) error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return c.payloadHandler.PacketConn.SetDeadline(t) +} + +// SetReadDeadline sets the read deadline associated with the +// endpoint. +func (c *PacketConn) SetReadDeadline(t time.Time) error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return c.payloadHandler.PacketConn.SetReadDeadline(t) +} + +// SetWriteDeadline sets the write deadline associated with the +// endpoint. +func (c *PacketConn) SetWriteDeadline(t time.Time) error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return c.payloadHandler.PacketConn.SetWriteDeadline(t) +} + +// Close closes the endpoint. +func (c *PacketConn) Close() error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return c.payloadHandler.PacketConn.Close() +} + +// NewPacketConn returns a new PacketConn using c as its underlying +// transport. +func NewPacketConn(c net.PacketConn) *PacketConn { + cc, _ := socket.NewConn(c.(net.Conn)) + p := &PacketConn{ + genericOpt: genericOpt{Conn: cc}, + dgramOpt: dgramOpt{Conn: cc}, + payloadHandler: payloadHandler{PacketConn: c, Conn: cc}, + } + return p +} + +// A RawConn represents a packet network endpoint that uses the IPv4 +// transport. It is used to control several IP-level socket options +// including IPv4 header manipulation. It also provides datagram +// based network I/O methods specific to the IPv4 and higher layer +// protocols that handle IPv4 datagram directly such as OSPF, GRE. +type RawConn struct { + genericOpt + dgramOpt + packetHandler +} + +// SetControlMessage sets the per packet IP-level socket options. +func (c *RawConn) SetControlMessage(cf ControlFlags, on bool) error { + if !c.packetHandler.ok() { + return errInvalidConn + } + return setControlMessage(c.dgramOpt.Conn, &c.packetHandler.rawOpt, cf, on) +} + +// SetDeadline sets the read and write deadlines associated with the +// endpoint. +func (c *RawConn) SetDeadline(t time.Time) error { + if !c.packetHandler.ok() { + return errInvalidConn + } + return c.packetHandler.IPConn.SetDeadline(t) +} + +// SetReadDeadline sets the read deadline associated with the +// endpoint. +func (c *RawConn) SetReadDeadline(t time.Time) error { + if !c.packetHandler.ok() { + return errInvalidConn + } + return c.packetHandler.IPConn.SetReadDeadline(t) +} + +// SetWriteDeadline sets the write deadline associated with the +// endpoint. +func (c *RawConn) SetWriteDeadline(t time.Time) error { + if !c.packetHandler.ok() { + return errInvalidConn + } + return c.packetHandler.IPConn.SetWriteDeadline(t) +} + +// Close closes the endpoint. +func (c *RawConn) Close() error { + if !c.packetHandler.ok() { + return errInvalidConn + } + return c.packetHandler.IPConn.Close() +} + +// NewRawConn returns a new RawConn using c as its underlying +// transport. +func NewRawConn(c net.PacketConn) (*RawConn, error) { + cc, err := socket.NewConn(c.(net.Conn)) + if err != nil { + return nil, err + } + r := &RawConn{ + genericOpt: genericOpt{Conn: cc}, + dgramOpt: dgramOpt{Conn: cc}, + packetHandler: packetHandler{IPConn: c.(*net.IPConn), Conn: cc}, + } + so, ok := sockOpts[ssoHeaderPrepend] + if !ok { + return nil, errNotImplemented + } + if err := so.SetInt(r.dgramOpt.Conn, boolint(true)); err != nil { + return nil, err + } + return r, nil +} diff --git a/vendor/golang.org/x/net/ipv4/genericopt.go b/vendor/golang.org/x/net/ipv4/genericopt.go new file mode 100644 index 000000000..51c12371e --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/genericopt.go @@ -0,0 +1,55 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +// TOS returns the type-of-service field value for outgoing packets. +func (c *genericOpt) TOS() (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + so, ok := sockOpts[ssoTOS] + if !ok { + return 0, errNotImplemented + } + return so.GetInt(c.Conn) +} + +// SetTOS sets the type-of-service field value for future outgoing +// packets. +func (c *genericOpt) SetTOS(tos int) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoTOS] + if !ok { + return errNotImplemented + } + return so.SetInt(c.Conn, tos) +} + +// TTL returns the time-to-live field value for outgoing packets. +func (c *genericOpt) TTL() (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + so, ok := sockOpts[ssoTTL] + if !ok { + return 0, errNotImplemented + } + return so.GetInt(c.Conn) +} + +// SetTTL sets the time-to-live field value for future outgoing +// packets. +func (c *genericOpt) SetTTL(ttl int) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoTTL] + if !ok { + return errNotImplemented + } + return so.SetInt(c.Conn, ttl) +} diff --git a/vendor/golang.org/x/net/ipv4/header.go b/vendor/golang.org/x/net/ipv4/header.go new file mode 100644 index 000000000..a00a3eaff --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/header.go @@ -0,0 +1,172 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "encoding/binary" + "fmt" + "net" + "runtime" + + "golang.org/x/net/internal/socket" +) + +const ( + Version = 4 // protocol version + HeaderLen = 20 // header length without extension headers +) + +type HeaderFlags int + +const ( + MoreFragments HeaderFlags = 1 << iota // more fragments flag + DontFragment // don't fragment flag +) + +// A Header represents an IPv4 header. +type Header struct { + Version int // protocol version + Len int // header length + TOS int // type-of-service + TotalLen int // packet total length + ID int // identification + Flags HeaderFlags // flags + FragOff int // fragment offset + TTL int // time-to-live + Protocol int // next protocol + Checksum int // checksum + Src net.IP // source address + Dst net.IP // destination address + Options []byte // options, extension headers +} + +func (h *Header) String() string { + if h == nil { + return "" + } + return fmt.Sprintf("ver=%d hdrlen=%d tos=%#x totallen=%d id=%#x flags=%#x fragoff=%#x ttl=%d proto=%d cksum=%#x src=%v dst=%v", h.Version, h.Len, h.TOS, h.TotalLen, h.ID, h.Flags, h.FragOff, h.TTL, h.Protocol, h.Checksum, h.Src, h.Dst) +} + +// Marshal returns the binary encoding of h. +// +// The returned slice is in the format used by a raw IP socket on the +// local system. +// This may differ from the wire format, depending on the system. +func (h *Header) Marshal() ([]byte, error) { + if h == nil { + return nil, errNilHeader + } + if h.Len < HeaderLen { + return nil, errHeaderTooShort + } + hdrlen := HeaderLen + len(h.Options) + b := make([]byte, hdrlen) + b[0] = byte(Version<<4 | (hdrlen >> 2 & 0x0f)) + b[1] = byte(h.TOS) + flagsAndFragOff := (h.FragOff & 0x1fff) | int(h.Flags<<13) + switch runtime.GOOS { + case "darwin", "ios", "dragonfly", "netbsd": + socket.NativeEndian.PutUint16(b[2:4], uint16(h.TotalLen)) + socket.NativeEndian.PutUint16(b[6:8], uint16(flagsAndFragOff)) + case "freebsd": + if freebsdVersion < 1100000 { + socket.NativeEndian.PutUint16(b[2:4], uint16(h.TotalLen)) + socket.NativeEndian.PutUint16(b[6:8], uint16(flagsAndFragOff)) + } else { + binary.BigEndian.PutUint16(b[2:4], uint16(h.TotalLen)) + binary.BigEndian.PutUint16(b[6:8], uint16(flagsAndFragOff)) + } + default: + binary.BigEndian.PutUint16(b[2:4], uint16(h.TotalLen)) + binary.BigEndian.PutUint16(b[6:8], uint16(flagsAndFragOff)) + } + binary.BigEndian.PutUint16(b[4:6], uint16(h.ID)) + b[8] = byte(h.TTL) + b[9] = byte(h.Protocol) + binary.BigEndian.PutUint16(b[10:12], uint16(h.Checksum)) + if ip := h.Src.To4(); ip != nil { + copy(b[12:16], ip[:net.IPv4len]) + } + if ip := h.Dst.To4(); ip != nil { + copy(b[16:20], ip[:net.IPv4len]) + } else { + return nil, errMissingAddress + } + if len(h.Options) > 0 { + copy(b[HeaderLen:], h.Options) + } + return b, nil +} + +// Parse parses b as an IPv4 header and stores the result in h. +// +// The provided b must be in the format used by a raw IP socket on the +// local system. +// This may differ from the wire format, depending on the system. +func (h *Header) Parse(b []byte) error { + if h == nil || b == nil { + return errNilHeader + } + if len(b) < HeaderLen { + return errHeaderTooShort + } + hdrlen := int(b[0]&0x0f) << 2 + if len(b) < hdrlen { + return errExtHeaderTooShort + } + h.Version = int(b[0] >> 4) + h.Len = hdrlen + h.TOS = int(b[1]) + h.ID = int(binary.BigEndian.Uint16(b[4:6])) + h.TTL = int(b[8]) + h.Protocol = int(b[9]) + h.Checksum = int(binary.BigEndian.Uint16(b[10:12])) + h.Src = net.IPv4(b[12], b[13], b[14], b[15]) + h.Dst = net.IPv4(b[16], b[17], b[18], b[19]) + switch runtime.GOOS { + case "darwin", "ios", "dragonfly", "netbsd": + h.TotalLen = int(socket.NativeEndian.Uint16(b[2:4])) + hdrlen + h.FragOff = int(socket.NativeEndian.Uint16(b[6:8])) + case "freebsd": + if freebsdVersion < 1100000 { + h.TotalLen = int(socket.NativeEndian.Uint16(b[2:4])) + if freebsdVersion < 1000000 { + h.TotalLen += hdrlen + } + h.FragOff = int(socket.NativeEndian.Uint16(b[6:8])) + } else { + h.TotalLen = int(binary.BigEndian.Uint16(b[2:4])) + h.FragOff = int(binary.BigEndian.Uint16(b[6:8])) + } + default: + h.TotalLen = int(binary.BigEndian.Uint16(b[2:4])) + h.FragOff = int(binary.BigEndian.Uint16(b[6:8])) + } + h.Flags = HeaderFlags(h.FragOff&0xe000) >> 13 + h.FragOff = h.FragOff & 0x1fff + optlen := hdrlen - HeaderLen + if optlen > 0 && len(b) >= hdrlen { + if cap(h.Options) < optlen { + h.Options = make([]byte, optlen) + } else { + h.Options = h.Options[:optlen] + } + copy(h.Options, b[HeaderLen:hdrlen]) + } + return nil +} + +// ParseHeader parses b as an IPv4 header. +// +// The provided b must be in the format used by a raw IP socket on the +// local system. +// This may differ from the wire format, depending on the system. +func ParseHeader(b []byte) (*Header, error) { + h := new(Header) + if err := h.Parse(b); err != nil { + return nil, err + } + return h, nil +} diff --git a/vendor/golang.org/x/net/ipv4/helper.go b/vendor/golang.org/x/net/ipv4/helper.go new file mode 100644 index 000000000..e845a7376 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/helper.go @@ -0,0 +1,77 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "errors" + "net" + "runtime" + + "golang.org/x/net/internal/socket" +) + +var ( + errInvalidConn = errors.New("invalid connection") + errMissingAddress = errors.New("missing address") + errNilHeader = errors.New("nil header") + errHeaderTooShort = errors.New("header too short") + errExtHeaderTooShort = errors.New("extension header too short") + errInvalidConnType = errors.New("invalid conn type") + errNotImplemented = errors.New("not implemented on " + runtime.GOOS + "/" + runtime.GOARCH) + + // See https://www.freebsd.org/doc/en/books/porters-handbook/versions.html. + freebsdVersion uint32 + compatFreeBSD32 bool // 386 emulation on amd64 +) + +// See golang.org/issue/30899. +func adjustFreeBSD32(m *socket.Message) { + // FreeBSD 12.0-RELEASE is affected by https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236737 + if 1200086 <= freebsdVersion && freebsdVersion < 1201000 { + l := (m.NN + 4 - 1) &^ (4 - 1) + if m.NN < l && l <= len(m.OOB) { + m.NN = l + } + } +} + +func boolint(b bool) int { + if b { + return 1 + } + return 0 +} + +func netAddrToIP4(a net.Addr) net.IP { + switch v := a.(type) { + case *net.UDPAddr: + if ip := v.IP.To4(); ip != nil { + return ip + } + case *net.IPAddr: + if ip := v.IP.To4(); ip != nil { + return ip + } + } + return nil +} + +func opAddr(a net.Addr) net.Addr { + switch a.(type) { + case *net.TCPAddr: + if a == nil { + return nil + } + case *net.UDPAddr: + if a == nil { + return nil + } + case *net.IPAddr: + if a == nil { + return nil + } + } + return a +} diff --git a/vendor/golang.org/x/net/ipv4/iana.go b/vendor/golang.org/x/net/ipv4/iana.go new file mode 100644 index 000000000..4375b4099 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/iana.go @@ -0,0 +1,38 @@ +// go generate gen.go +// Code generated by the command above; DO NOT EDIT. + +package ipv4 + +// Internet Control Message Protocol (ICMP) Parameters, Updated: 2018-02-26 +const ( + ICMPTypeEchoReply ICMPType = 0 // Echo Reply + ICMPTypeDestinationUnreachable ICMPType = 3 // Destination Unreachable + ICMPTypeRedirect ICMPType = 5 // Redirect + ICMPTypeEcho ICMPType = 8 // Echo + ICMPTypeRouterAdvertisement ICMPType = 9 // Router Advertisement + ICMPTypeRouterSolicitation ICMPType = 10 // Router Solicitation + ICMPTypeTimeExceeded ICMPType = 11 // Time Exceeded + ICMPTypeParameterProblem ICMPType = 12 // Parameter Problem + ICMPTypeTimestamp ICMPType = 13 // Timestamp + ICMPTypeTimestampReply ICMPType = 14 // Timestamp Reply + ICMPTypePhoturis ICMPType = 40 // Photuris + ICMPTypeExtendedEchoRequest ICMPType = 42 // Extended Echo Request + ICMPTypeExtendedEchoReply ICMPType = 43 // Extended Echo Reply +) + +// Internet Control Message Protocol (ICMP) Parameters, Updated: 2018-02-26 +var icmpTypes = map[ICMPType]string{ + 0: "echo reply", + 3: "destination unreachable", + 5: "redirect", + 8: "echo", + 9: "router advertisement", + 10: "router solicitation", + 11: "time exceeded", + 12: "parameter problem", + 13: "timestamp", + 14: "timestamp reply", + 40: "photuris", + 42: "extended echo request", + 43: "extended echo reply", +} diff --git a/vendor/golang.org/x/net/ipv4/icmp.go b/vendor/golang.org/x/net/ipv4/icmp.go new file mode 100644 index 000000000..9902bb3d2 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/icmp.go @@ -0,0 +1,57 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import "golang.org/x/net/internal/iana" + +// An ICMPType represents a type of ICMP message. +type ICMPType int + +func (typ ICMPType) String() string { + s, ok := icmpTypes[typ] + if !ok { + return "" + } + return s +} + +// Protocol returns the ICMPv4 protocol number. +func (typ ICMPType) Protocol() int { + return iana.ProtocolICMP +} + +// An ICMPFilter represents an ICMP message filter for incoming +// packets. The filter belongs to a packet delivery path on a host and +// it cannot interact with forwarding packets or tunnel-outer packets. +// +// Note: RFC 8200 defines a reasonable role model and it works not +// only for IPv6 but IPv4. A node means a device that implements IP. +// A router means a node that forwards IP packets not explicitly +// addressed to itself, and a host means a node that is not a router. +type ICMPFilter struct { + icmpFilter +} + +// Accept accepts incoming ICMP packets including the type field value +// typ. +func (f *ICMPFilter) Accept(typ ICMPType) { + f.accept(typ) +} + +// Block blocks incoming ICMP packets including the type field value +// typ. +func (f *ICMPFilter) Block(typ ICMPType) { + f.block(typ) +} + +// SetAll sets the filter action to the filter. +func (f *ICMPFilter) SetAll(block bool) { + f.setAll(block) +} + +// WillBlock reports whether the ICMP type will be blocked. +func (f *ICMPFilter) WillBlock(typ ICMPType) bool { + return f.willBlock(typ) +} diff --git a/vendor/golang.org/x/net/ipv4/icmp_linux.go b/vendor/golang.org/x/net/ipv4/icmp_linux.go new file mode 100644 index 000000000..6e1c5c80a --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/icmp_linux.go @@ -0,0 +1,25 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +func (f *icmpFilter) accept(typ ICMPType) { + f.Data &^= 1 << (uint32(typ) & 31) +} + +func (f *icmpFilter) block(typ ICMPType) { + f.Data |= 1 << (uint32(typ) & 31) +} + +func (f *icmpFilter) setAll(block bool) { + if block { + f.Data = 1<<32 - 1 + } else { + f.Data = 0 + } +} + +func (f *icmpFilter) willBlock(typ ICMPType) bool { + return f.Data&(1<<(uint32(typ)&31)) != 0 +} diff --git a/vendor/golang.org/x/net/ipv4/icmp_stub.go b/vendor/golang.org/x/net/ipv4/icmp_stub.go new file mode 100644 index 000000000..cd4ee6e1c --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/icmp_stub.go @@ -0,0 +1,26 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !linux +// +build !linux + +package ipv4 + +const sizeofICMPFilter = 0x0 + +type icmpFilter struct { +} + +func (f *icmpFilter) accept(typ ICMPType) { +} + +func (f *icmpFilter) block(typ ICMPType) { +} + +func (f *icmpFilter) setAll(block bool) { +} + +func (f *icmpFilter) willBlock(typ ICMPType) bool { + return false +} diff --git a/vendor/golang.org/x/net/ipv4/packet.go b/vendor/golang.org/x/net/ipv4/packet.go new file mode 100644 index 000000000..7d784e06d --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/packet.go @@ -0,0 +1,117 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +// BUG(mikio): On Windows, the ReadFrom and WriteTo methods of RawConn +// are not implemented. + +// A packetHandler represents the IPv4 datagram handler. +type packetHandler struct { + *net.IPConn + *socket.Conn + rawOpt +} + +func (c *packetHandler) ok() bool { return c != nil && c.IPConn != nil && c.Conn != nil } + +// ReadFrom reads an IPv4 datagram from the endpoint c, copying the +// datagram into b. It returns the received datagram as the IPv4 +// header h, the payload p and the control message cm. +func (c *packetHandler) ReadFrom(b []byte) (h *Header, p []byte, cm *ControlMessage, err error) { + if !c.ok() { + return nil, nil, nil, errInvalidConn + } + c.rawOpt.RLock() + m := socket.Message{ + Buffers: [][]byte{b}, + OOB: NewControlMessage(c.rawOpt.cflags), + } + c.rawOpt.RUnlock() + if err := c.RecvMsg(&m, 0); err != nil { + return nil, nil, nil, &net.OpError{Op: "read", Net: c.IPConn.LocalAddr().Network(), Source: c.IPConn.LocalAddr(), Err: err} + } + var hs []byte + if hs, p, err = slicePacket(b[:m.N]); err != nil { + return nil, nil, nil, &net.OpError{Op: "read", Net: c.IPConn.LocalAddr().Network(), Source: c.IPConn.LocalAddr(), Err: err} + } + if h, err = ParseHeader(hs); err != nil { + return nil, nil, nil, &net.OpError{Op: "read", Net: c.IPConn.LocalAddr().Network(), Source: c.IPConn.LocalAddr(), Err: err} + } + if m.NN > 0 { + if compatFreeBSD32 { + adjustFreeBSD32(&m) + } + cm = new(ControlMessage) + if err := cm.Parse(m.OOB[:m.NN]); err != nil { + return nil, nil, nil, &net.OpError{Op: "read", Net: c.IPConn.LocalAddr().Network(), Source: c.IPConn.LocalAddr(), Err: err} + } + } + if src, ok := m.Addr.(*net.IPAddr); ok && cm != nil { + cm.Src = src.IP + } + return +} + +func slicePacket(b []byte) (h, p []byte, err error) { + if len(b) < HeaderLen { + return nil, nil, errHeaderTooShort + } + hdrlen := int(b[0]&0x0f) << 2 + return b[:hdrlen], b[hdrlen:], nil +} + +// WriteTo writes an IPv4 datagram through the endpoint c, copying the +// datagram from the IPv4 header h and the payload p. The control +// message cm allows the datagram path and the outgoing interface to be +// specified. Currently only Darwin and Linux support this. The cm +// may be nil if control of the outgoing datagram is not required. +// +// The IPv4 header h must contain appropriate fields that include: +// +// Version = +// Len = +// TOS = +// TotalLen = +// ID = platform sets an appropriate value if ID is zero +// FragOff = +// TTL = +// Protocol = +// Checksum = platform sets an appropriate value if Checksum is zero +// Src = platform sets an appropriate value if Src is nil +// Dst = +// Options = optional +func (c *packetHandler) WriteTo(h *Header, p []byte, cm *ControlMessage) error { + if !c.ok() { + return errInvalidConn + } + m := socket.Message{ + OOB: cm.Marshal(), + } + wh, err := h.Marshal() + if err != nil { + return err + } + m.Buffers = [][]byte{wh, p} + dst := new(net.IPAddr) + if cm != nil { + if ip := cm.Dst.To4(); ip != nil { + dst.IP = ip + } + } + if dst.IP == nil { + dst.IP = h.Dst + } + m.Addr = dst + if err := c.SendMsg(&m, 0); err != nil { + return &net.OpError{Op: "write", Net: c.IPConn.LocalAddr().Network(), Source: c.IPConn.LocalAddr(), Addr: opAddr(dst), Err: err} + } + return nil +} diff --git a/vendor/golang.org/x/net/ipv4/payload.go b/vendor/golang.org/x/net/ipv4/payload.go new file mode 100644 index 000000000..f95f811ac --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/payload.go @@ -0,0 +1,23 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +// BUG(mikio): On Windows, the ControlMessage for ReadFrom and WriteTo +// methods of PacketConn is not implemented. + +// A payloadHandler represents the IPv4 datagram payload handler. +type payloadHandler struct { + net.PacketConn + *socket.Conn + rawOpt +} + +func (c *payloadHandler) ok() bool { return c != nil && c.PacketConn != nil && c.Conn != nil } diff --git a/vendor/golang.org/x/net/ipv4/payload_cmsg.go b/vendor/golang.org/x/net/ipv4/payload_cmsg.go new file mode 100644 index 000000000..1bb370e25 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/payload_cmsg.go @@ -0,0 +1,85 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos + +package ipv4 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +// ReadFrom reads a payload of the received IPv4 datagram, from the +// endpoint c, copying the payload into b. It returns the number of +// bytes copied into b, the control message cm and the source address +// src of the received datagram. +func (c *payloadHandler) ReadFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) { + if !c.ok() { + return 0, nil, nil, errInvalidConn + } + c.rawOpt.RLock() + m := socket.Message{ + OOB: NewControlMessage(c.rawOpt.cflags), + } + c.rawOpt.RUnlock() + switch c.PacketConn.(type) { + case *net.UDPConn: + m.Buffers = [][]byte{b} + if err := c.RecvMsg(&m, 0); err != nil { + return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + case *net.IPConn: + h := make([]byte, HeaderLen) + m.Buffers = [][]byte{h, b} + if err := c.RecvMsg(&m, 0); err != nil { + return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + hdrlen := int(h[0]&0x0f) << 2 + if hdrlen > len(h) { + d := hdrlen - len(h) + copy(b, b[d:]) + m.N -= d + } else { + m.N -= hdrlen + } + default: + return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: errInvalidConnType} + } + if m.NN > 0 { + if compatFreeBSD32 { + adjustFreeBSD32(&m) + } + cm = new(ControlMessage) + if err := cm.Parse(m.OOB[:m.NN]); err != nil { + return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + cm.Src = netAddrToIP4(m.Addr) + } + return m.N, cm, m.Addr, nil +} + +// WriteTo writes a payload of the IPv4 datagram, to the destination +// address dst through the endpoint c, copying the payload from b. It +// returns the number of bytes written. The control message cm allows +// the datagram path and the outgoing interface to be specified. +// Currently only Darwin and Linux support this. The cm may be nil if +// control of the outgoing datagram is not required. +func (c *payloadHandler) WriteTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) { + if !c.ok() { + return 0, errInvalidConn + } + m := socket.Message{ + Buffers: [][]byte{b}, + OOB: cm.Marshal(), + Addr: dst, + } + err = c.SendMsg(&m, 0) + if err != nil { + err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Addr: opAddr(dst), Err: err} + } + return m.N, err +} diff --git a/vendor/golang.org/x/net/ipv4/payload_nocmsg.go b/vendor/golang.org/x/net/ipv4/payload_nocmsg.go new file mode 100644 index 000000000..53f0794eb --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/payload_nocmsg.go @@ -0,0 +1,40 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos + +package ipv4 + +import "net" + +// ReadFrom reads a payload of the received IPv4 datagram, from the +// endpoint c, copying the payload into b. It returns the number of +// bytes copied into b, the control message cm and the source address +// src of the received datagram. +func (c *payloadHandler) ReadFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) { + if !c.ok() { + return 0, nil, nil, errInvalidConn + } + if n, src, err = c.PacketConn.ReadFrom(b); err != nil { + return 0, nil, nil, err + } + return +} + +// WriteTo writes a payload of the IPv4 datagram, to the destination +// address dst through the endpoint c, copying the payload from b. It +// returns the number of bytes written. The control message cm allows +// the datagram path and the outgoing interface to be specified. +// Currently only Darwin and Linux support this. The cm may be nil if +// control of the outgoing datagram is not required. +func (c *payloadHandler) WriteTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) { + if !c.ok() { + return 0, errInvalidConn + } + if dst == nil { + return 0, errMissingAddress + } + return c.PacketConn.WriteTo(b, dst) +} diff --git a/vendor/golang.org/x/net/ipv4/sockopt.go b/vendor/golang.org/x/net/ipv4/sockopt.go new file mode 100644 index 000000000..22e90c039 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sockopt.go @@ -0,0 +1,44 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import "golang.org/x/net/internal/socket" + +// Sticky socket options +const ( + ssoTOS = iota // header field for unicast packet + ssoTTL // header field for unicast packet + ssoMulticastTTL // header field for multicast packet + ssoMulticastInterface // outbound interface for multicast packet + ssoMulticastLoopback // loopback for multicast packet + ssoReceiveTTL // header field on received packet + ssoReceiveDst // header field on received packet + ssoReceiveInterface // inbound interface on received packet + ssoPacketInfo // incbound or outbound packet path + ssoHeaderPrepend // ipv4 header prepend + ssoStripHeader // strip ipv4 header + ssoICMPFilter // icmp filter + ssoJoinGroup // any-source multicast + ssoLeaveGroup // any-source multicast + ssoJoinSourceGroup // source-specific multicast + ssoLeaveSourceGroup // source-specific multicast + ssoBlockSourceGroup // any-source or source-specific multicast + ssoUnblockSourceGroup // any-source or source-specific multicast + ssoAttachFilter // attach BPF for filtering inbound traffic +) + +// Sticky socket option value types +const ( + ssoTypeIPMreq = iota + 1 + ssoTypeIPMreqn + ssoTypeGroupReq + ssoTypeGroupSourceReq +) + +// A sockOpt represents a binding for sticky socket option. +type sockOpt struct { + socket.Option + typ int // hint for option value type; optional +} diff --git a/vendor/golang.org/x/net/ipv4/sockopt_posix.go b/vendor/golang.org/x/net/ipv4/sockopt_posix.go new file mode 100644 index 000000000..eb07c1c02 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sockopt_posix.go @@ -0,0 +1,72 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos + +package ipv4 + +import ( + "net" + "unsafe" + + "golang.org/x/net/bpf" + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) getMulticastInterface(c *socket.Conn) (*net.Interface, error) { + switch so.typ { + case ssoTypeIPMreqn: + return so.getIPMreqn(c) + default: + return so.getMulticastIf(c) + } +} + +func (so *sockOpt) setMulticastInterface(c *socket.Conn, ifi *net.Interface) error { + switch so.typ { + case ssoTypeIPMreqn: + return so.setIPMreqn(c, ifi, nil) + default: + return so.setMulticastIf(c, ifi) + } +} + +func (so *sockOpt) getICMPFilter(c *socket.Conn) (*ICMPFilter, error) { + b := make([]byte, so.Len) + n, err := so.Get(c, b) + if err != nil { + return nil, err + } + if n != sizeofICMPFilter { + return nil, errNotImplemented + } + return (*ICMPFilter)(unsafe.Pointer(&b[0])), nil +} + +func (so *sockOpt) setICMPFilter(c *socket.Conn, f *ICMPFilter) error { + b := (*[sizeofICMPFilter]byte)(unsafe.Pointer(f))[:sizeofICMPFilter] + return so.Set(c, b) +} + +func (so *sockOpt) setGroup(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + switch so.typ { + case ssoTypeIPMreq: + return so.setIPMreq(c, ifi, grp) + case ssoTypeIPMreqn: + return so.setIPMreqn(c, ifi, grp) + case ssoTypeGroupReq: + return so.setGroupReq(c, ifi, grp) + default: + return errNotImplemented + } +} + +func (so *sockOpt) setSourceGroup(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error { + return so.setGroupSourceReq(c, ifi, grp, src) +} + +func (so *sockOpt) setBPF(c *socket.Conn, f []bpf.RawInstruction) error { + return so.setAttachFilter(c, f) +} diff --git a/vendor/golang.org/x/net/ipv4/sockopt_stub.go b/vendor/golang.org/x/net/ipv4/sockopt_stub.go new file mode 100644 index 000000000..cf036893b --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sockopt_stub.go @@ -0,0 +1,43 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos + +package ipv4 + +import ( + "net" + + "golang.org/x/net/bpf" + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) getMulticastInterface(c *socket.Conn) (*net.Interface, error) { + return nil, errNotImplemented +} + +func (so *sockOpt) setMulticastInterface(c *socket.Conn, ifi *net.Interface) error { + return errNotImplemented +} + +func (so *sockOpt) getICMPFilter(c *socket.Conn) (*ICMPFilter, error) { + return nil, errNotImplemented +} + +func (so *sockOpt) setICMPFilter(c *socket.Conn, f *ICMPFilter) error { + return errNotImplemented +} + +func (so *sockOpt) setGroup(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + return errNotImplemented +} + +func (so *sockOpt) setSourceGroup(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error { + return errNotImplemented +} + +func (so *sockOpt) setBPF(c *socket.Conn, f []bpf.RawInstruction) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv4/sys_aix.go b/vendor/golang.org/x/net/ipv4/sys_aix.go new file mode 100644 index 000000000..02730cdfd --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_aix.go @@ -0,0 +1,44 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Added for go1.11 compatibility +//go:build aix +// +build aix + +package ipv4 + +import ( + "net" + "syscall" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +// IP_RECVIF is defined on AIX but doesn't work. IP_RECVINTERFACE must be used instead. +const sockoptReceiveInterface = unix.IP_RECVINTERFACE + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTTL: {unix.IP_RECVTTL, 1, marshalTTL, parseTTL}, + ctlDst: {unix.IP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst}, + ctlInterface: {unix.IP_RECVINTERFACE, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface}, + } + + sockOpts = map[int]*sockOpt{ + ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}}, + ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}}, + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 1}}, + ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}}, + ssoReceiveDst: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVDSTADDR, Len: 4}}, + ssoReceiveInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVINTERFACE, Len: 4}}, + ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_ADD_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_DROP_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, + } +) diff --git a/vendor/golang.org/x/net/ipv4/sys_asmreq.go b/vendor/golang.org/x/net/ipv4/sys_asmreq.go new file mode 100644 index 000000000..22322b387 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_asmreq.go @@ -0,0 +1,123 @@ +// Copyright 2012 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd || solaris || windows +// +build aix darwin dragonfly freebsd netbsd openbsd solaris windows + +package ipv4 + +import ( + "errors" + "net" + "unsafe" + + "golang.org/x/net/internal/socket" +) + +var errNoSuchInterface = errors.New("no such interface") + +func (so *sockOpt) setIPMreq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + mreq := ipMreq{Multiaddr: [4]byte{grp[0], grp[1], grp[2], grp[3]}} + if err := setIPMreqInterface(&mreq, ifi); err != nil { + return err + } + b := (*[sizeofIPMreq]byte)(unsafe.Pointer(&mreq))[:sizeofIPMreq] + return so.Set(c, b) +} + +func (so *sockOpt) getMulticastIf(c *socket.Conn) (*net.Interface, error) { + var b [4]byte + if _, err := so.Get(c, b[:]); err != nil { + return nil, err + } + ifi, err := netIP4ToInterface(net.IPv4(b[0], b[1], b[2], b[3])) + if err != nil { + return nil, err + } + return ifi, nil +} + +func (so *sockOpt) setMulticastIf(c *socket.Conn, ifi *net.Interface) error { + ip, err := netInterfaceToIP4(ifi) + if err != nil { + return err + } + var b [4]byte + copy(b[:], ip) + return so.Set(c, b[:]) +} + +func setIPMreqInterface(mreq *ipMreq, ifi *net.Interface) error { + if ifi == nil { + return nil + } + ifat, err := ifi.Addrs() + if err != nil { + return err + } + for _, ifa := range ifat { + switch ifa := ifa.(type) { + case *net.IPAddr: + if ip := ifa.IP.To4(); ip != nil { + copy(mreq.Interface[:], ip) + return nil + } + case *net.IPNet: + if ip := ifa.IP.To4(); ip != nil { + copy(mreq.Interface[:], ip) + return nil + } + } + } + return errNoSuchInterface +} + +func netIP4ToInterface(ip net.IP) (*net.Interface, error) { + ift, err := net.Interfaces() + if err != nil { + return nil, err + } + for _, ifi := range ift { + ifat, err := ifi.Addrs() + if err != nil { + return nil, err + } + for _, ifa := range ifat { + switch ifa := ifa.(type) { + case *net.IPAddr: + if ip.Equal(ifa.IP) { + return &ifi, nil + } + case *net.IPNet: + if ip.Equal(ifa.IP) { + return &ifi, nil + } + } + } + } + return nil, errNoSuchInterface +} + +func netInterfaceToIP4(ifi *net.Interface) (net.IP, error) { + if ifi == nil { + return net.IPv4zero.To4(), nil + } + ifat, err := ifi.Addrs() + if err != nil { + return nil, err + } + for _, ifa := range ifat { + switch ifa := ifa.(type) { + case *net.IPAddr: + if ip := ifa.IP.To4(); ip != nil { + return ip, nil + } + case *net.IPNet: + if ip := ifa.IP.To4(); ip != nil { + return ip, nil + } + } + } + return nil, errNoSuchInterface +} diff --git a/vendor/golang.org/x/net/ipv4/sys_asmreq_stub.go b/vendor/golang.org/x/net/ipv4/sys_asmreq_stub.go new file mode 100644 index 000000000..fde640142 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_asmreq_stub.go @@ -0,0 +1,26 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !netbsd && !openbsd && !solaris && !windows +// +build !aix,!darwin,!dragonfly,!freebsd,!netbsd,!openbsd,!solaris,!windows + +package ipv4 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) setIPMreq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + return errNotImplemented +} + +func (so *sockOpt) getMulticastIf(c *socket.Conn) (*net.Interface, error) { + return nil, errNotImplemented +} + +func (so *sockOpt) setMulticastIf(c *socket.Conn, ifi *net.Interface) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv4/sys_asmreqn.go b/vendor/golang.org/x/net/ipv4/sys_asmreqn.go new file mode 100644 index 000000000..54eb9901b --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_asmreqn.go @@ -0,0 +1,45 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build darwin || freebsd || linux +// +build darwin freebsd linux + +package ipv4 + +import ( + "net" + "unsafe" + + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +func (so *sockOpt) getIPMreqn(c *socket.Conn) (*net.Interface, error) { + b := make([]byte, so.Len) + if _, err := so.Get(c, b); err != nil { + return nil, err + } + mreqn := (*unix.IPMreqn)(unsafe.Pointer(&b[0])) + if mreqn.Ifindex == 0 { + return nil, nil + } + ifi, err := net.InterfaceByIndex(int(mreqn.Ifindex)) + if err != nil { + return nil, err + } + return ifi, nil +} + +func (so *sockOpt) setIPMreqn(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + var mreqn unix.IPMreqn + if ifi != nil { + mreqn.Ifindex = int32(ifi.Index) + } + if grp != nil { + mreqn.Multiaddr = [4]byte{grp[0], grp[1], grp[2], grp[3]} + } + b := (*[unix.SizeofIPMreqn]byte)(unsafe.Pointer(&mreqn))[:unix.SizeofIPMreqn] + return so.Set(c, b) +} diff --git a/vendor/golang.org/x/net/ipv4/sys_asmreqn_stub.go b/vendor/golang.org/x/net/ipv4/sys_asmreqn_stub.go new file mode 100644 index 000000000..dcb15f25a --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_asmreqn_stub.go @@ -0,0 +1,22 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !darwin && !freebsd && !linux +// +build !darwin,!freebsd,!linux + +package ipv4 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) getIPMreqn(c *socket.Conn) (*net.Interface, error) { + return nil, errNotImplemented +} + +func (so *sockOpt) setIPMreqn(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv4/sys_bpf.go b/vendor/golang.org/x/net/ipv4/sys_bpf.go new file mode 100644 index 000000000..fb11e324e --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_bpf.go @@ -0,0 +1,25 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build linux +// +build linux + +package ipv4 + +import ( + "unsafe" + + "golang.org/x/net/bpf" + "golang.org/x/net/internal/socket" + "golang.org/x/sys/unix" +) + +func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error { + prog := unix.SockFprog{ + Len: uint16(len(f)), + Filter: (*unix.SockFilter)(unsafe.Pointer(&f[0])), + } + b := (*[unix.SizeofSockFprog]byte)(unsafe.Pointer(&prog))[:unix.SizeofSockFprog] + return so.Set(c, b) +} diff --git a/vendor/golang.org/x/net/ipv4/sys_bpf_stub.go b/vendor/golang.org/x/net/ipv4/sys_bpf_stub.go new file mode 100644 index 000000000..fc53a0d33 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_bpf_stub.go @@ -0,0 +1,17 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !linux +// +build !linux + +package ipv4 + +import ( + "golang.org/x/net/bpf" + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv4/sys_bsd.go b/vendor/golang.org/x/net/ipv4/sys_bsd.go new file mode 100644 index 000000000..e191b2f14 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_bsd.go @@ -0,0 +1,42 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build netbsd || openbsd +// +build netbsd openbsd + +package ipv4 + +import ( + "net" + "syscall" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +const sockoptReceiveInterface = unix.IP_RECVIF + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTTL: {unix.IP_RECVTTL, 1, marshalTTL, parseTTL}, + ctlDst: {unix.IP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst}, + ctlInterface: {unix.IP_RECVIF, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface}, + } + + sockOpts = map[int]*sockOpt{ + ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}}, + ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}}, + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 1}}, + ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}}, + ssoReceiveDst: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVDSTADDR, Len: 4}}, + ssoReceiveInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVIF, Len: 4}}, + ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_ADD_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_DROP_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, + } +) diff --git a/vendor/golang.org/x/net/ipv4/sys_darwin.go b/vendor/golang.org/x/net/ipv4/sys_darwin.go new file mode 100644 index 000000000..cac6f3cac --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_darwin.go @@ -0,0 +1,69 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +const sockoptReceiveInterface = unix.IP_RECVIF + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTTL: {unix.IP_RECVTTL, 1, marshalTTL, parseTTL}, + ctlDst: {unix.IP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst}, + ctlInterface: {unix.IP_RECVIF, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface}, + ctlPacketInfo: {unix.IP_PKTINFO, sizeofInetPktinfo, marshalPacketInfo, parsePacketInfo}, + } + + sockOpts = map[int]*sockOpt{ + ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}}, + ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}}, + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: unix.SizeofIPMreqn}, typ: ssoTypeIPMreqn}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}}, + ssoReceiveDst: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVDSTADDR, Len: 4}}, + ssoReceiveInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVIF, Len: 4}}, + ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}}, + ssoStripHeader: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_STRIPHDR, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoPacketInfo: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVPKTINFO, Len: 4}}, + } +) + +func (pi *inetPktinfo) setIfindex(i int) { + pi.Ifindex = uint32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(uintptr(unsafe.Pointer(gr)) + 4)) + sa.Len = sizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 4)) + sa.Len = sizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) + sa = (*sockaddrInet)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 132)) + sa.Len = sizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv4/sys_dragonfly.go b/vendor/golang.org/x/net/ipv4/sys_dragonfly.go new file mode 100644 index 000000000..0620d0e1e --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_dragonfly.go @@ -0,0 +1,39 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + "syscall" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +const sockoptReceiveInterface = unix.IP_RECVIF + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTTL: {unix.IP_RECVTTL, 1, marshalTTL, parseTTL}, + ctlDst: {unix.IP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst}, + ctlInterface: {unix.IP_RECVIF, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface}, + } + + sockOpts = map[int]*sockOpt{ + ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}}, + ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}}, + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}}, + ssoReceiveDst: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVDSTADDR, Len: 4}}, + ssoReceiveInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVIF, Len: 4}}, + ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_ADD_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_DROP_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, + } +) diff --git a/vendor/golang.org/x/net/ipv4/sys_freebsd.go b/vendor/golang.org/x/net/ipv4/sys_freebsd.go new file mode 100644 index 000000000..896122875 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_freebsd.go @@ -0,0 +1,80 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + "runtime" + "strings" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +const sockoptReceiveInterface = unix.IP_RECVIF + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTTL: {unix.IP_RECVTTL, 1, marshalTTL, parseTTL}, + ctlDst: {unix.IP_RECVDSTADDR, net.IPv4len, marshalDst, parseDst}, + ctlInterface: {unix.IP_RECVIF, syscall.SizeofSockaddrDatalink, marshalInterface, parseInterface}, + } + + sockOpts = map[int]*sockOpt{ + ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}}, + ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}}, + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}}, + ssoReceiveDst: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVDSTADDR, Len: 4}}, + ssoReceiveInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVIF, Len: 4}}, + ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + } +) + +func init() { + freebsdVersion, _ = syscall.SysctlUint32("kern.osreldate") + if freebsdVersion >= 1000000 { + sockOpts[ssoMulticastInterface] = &sockOpt{Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: unix.SizeofIPMreqn}, typ: ssoTypeIPMreqn} + } + if runtime.GOOS == "freebsd" && runtime.GOARCH == "386" { + archs, _ := syscall.Sysctl("kern.supported_archs") + for _, s := range strings.Fields(archs) { + if s == "amd64" { + compatFreeBSD32 = true + break + } + } + } +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(&gr.Group)) + sa.Len = sizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(&gsr.Group)) + sa.Len = sizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) + sa = (*sockaddrInet)(unsafe.Pointer(&gsr.Source)) + sa.Len = sizeofSockaddrInet + sa.Family = syscall.AF_INET + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv4/sys_linux.go b/vendor/golang.org/x/net/ipv4/sys_linux.go new file mode 100644 index 000000000..4588a5f3e --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_linux.go @@ -0,0 +1,61 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTTL: {unix.IP_TTL, 1, marshalTTL, parseTTL}, + ctlPacketInfo: {unix.IP_PKTINFO, sizeofInetPktinfo, marshalPacketInfo, parsePacketInfo}, + } + + sockOpts = map[int]*sockOpt{ + ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}}, + ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}}, + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: unix.SizeofIPMreqn}, typ: ssoTypeIPMreqn}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}}, + ssoPacketInfo: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_PKTINFO, Len: 4}}, + ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}}, + ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolReserved, Name: unix.ICMP_FILTER, Len: sizeofICMPFilter}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoAttachFilter: {Option: socket.Option{Level: unix.SOL_SOCKET, Name: unix.SO_ATTACH_FILTER, Len: unix.SizeofSockFprog}}, + } +) + +func (pi *inetPktinfo) setIfindex(i int) { + pi.Ifindex = int32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(&gr.Group)) + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(&gsr.Group)) + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) + sa = (*sockaddrInet)(unsafe.Pointer(&gsr.Source)) + sa.Family = syscall.AF_INET + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv4/sys_solaris.go b/vendor/golang.org/x/net/ipv4/sys_solaris.go new file mode 100644 index 000000000..0bb9f3e36 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_solaris.go @@ -0,0 +1,61 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +const sockoptReceiveInterface = unix.IP_RECVIF + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTTL: {unix.IP_RECVTTL, 4, marshalTTL, parseTTL}, + ctlPacketInfo: {unix.IP_PKTINFO, sizeofInetPktinfo, marshalPacketInfo, parsePacketInfo}, + } + + sockOpts = map[int]sockOpt{ + ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TOS, Len: 4}}, + ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_TTL, Len: 4}}, + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 1}}, + ssoReceiveTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVTTL, Len: 4}}, + ssoPacketInfo: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVPKTINFO, Len: 4}}, + ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_HDRINCL, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + } +) + +func (pi *inetPktinfo) setIfindex(i int) { + pi.Ifindex = uint32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(uintptr(unsafe.Pointer(gr)) + 4)) + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 4)) + sa.Family = syscall.AF_INET + copy(sa.Addr[:], grp) + sa = (*sockaddrInet)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 260)) + sa.Family = syscall.AF_INET + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv4/sys_ssmreq.go b/vendor/golang.org/x/net/ipv4/sys_ssmreq.go new file mode 100644 index 000000000..6a4e7abf9 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_ssmreq.go @@ -0,0 +1,53 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build darwin || freebsd || linux || solaris +// +build darwin freebsd linux solaris + +package ipv4 + +import ( + "net" + "unsafe" + + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) setGroupReq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + var gr groupReq + if ifi != nil { + gr.Interface = uint32(ifi.Index) + } + gr.setGroup(grp) + var b []byte + if compatFreeBSD32 { + var d [sizeofGroupReq + 4]byte + s := (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr)) + copy(d[:4], s[:4]) + copy(d[8:], s[4:]) + b = d[:] + } else { + b = (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))[:sizeofGroupReq] + } + return so.Set(c, b) +} + +func (so *sockOpt) setGroupSourceReq(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error { + var gsr groupSourceReq + if ifi != nil { + gsr.Interface = uint32(ifi.Index) + } + gsr.setSourceGroup(grp, src) + var b []byte + if compatFreeBSD32 { + var d [sizeofGroupSourceReq + 4]byte + s := (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr)) + copy(d[:4], s[:4]) + copy(d[8:], s[4:]) + b = d[:] + } else { + b = (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))[:sizeofGroupSourceReq] + } + return so.Set(c, b) +} diff --git a/vendor/golang.org/x/net/ipv4/sys_ssmreq_stub.go b/vendor/golang.org/x/net/ipv4/sys_ssmreq_stub.go new file mode 100644 index 000000000..157159fd5 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_ssmreq_stub.go @@ -0,0 +1,22 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !darwin && !freebsd && !linux && !solaris +// +build !darwin,!freebsd,!linux,!solaris + +package ipv4 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) setGroupReq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + return errNotImplemented +} + +func (so *sockOpt) setGroupSourceReq(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv4/sys_stub.go b/vendor/golang.org/x/net/ipv4/sys_stub.go new file mode 100644 index 000000000..d55085165 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_stub.go @@ -0,0 +1,14 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos + +package ipv4 + +var ( + ctlOpts = [ctlMax]ctlOpt{} + + sockOpts = map[int]*sockOpt{} +) diff --git a/vendor/golang.org/x/net/ipv4/sys_windows.go b/vendor/golang.org/x/net/ipv4/sys_windows.go new file mode 100644 index 000000000..c5e950633 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_windows.go @@ -0,0 +1,44 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/windows" +) + +const ( + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc +) + +type ipMreq struct { + Multiaddr [4]byte + Interface [4]byte +} + +type ipMreqSource struct { + Multiaddr [4]byte + Sourceaddr [4]byte + Interface [4]byte +} + +// See http://msdn.microsoft.com/en-us/library/windows/desktop/ms738586(v=vs.85).aspx +var ( + ctlOpts = [ctlMax]ctlOpt{} + + sockOpts = map[int]*sockOpt{ + ssoTOS: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_TOS, Len: 4}}, + ssoTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_TTL, Len: 4}}, + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_MULTICAST_TTL, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_MULTICAST_IF, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_MULTICAST_LOOP, Len: 4}}, + ssoHeaderPrepend: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_HDRINCL, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_ADD_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: windows.IP_DROP_MEMBERSHIP, Len: sizeofIPMreq}, typ: ssoTypeIPMreq}, + } +) diff --git a/vendor/golang.org/x/net/ipv4/sys_zos.go b/vendor/golang.org/x/net/ipv4/sys_zos.go new file mode 100644 index 000000000..be2064098 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/sys_zos.go @@ -0,0 +1,57 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv4 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlPacketInfo: {unix.IP_PKTINFO, sizeofInetPktinfo, marshalPacketInfo, parsePacketInfo}, + } + + sockOpts = map[int]*sockOpt{ + ssoMulticastTTL: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_TTL, Len: 1}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_IF, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_MULTICAST_LOOP, Len: 1}}, + ssoPacketInfo: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.IP_RECVPKTINFO, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIP, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + } +) + +func (pi *inetPktinfo) setIfindex(i int) { + pi.Ifindex = uint32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet4)(unsafe.Pointer(&gr.Group)) + sa.Family = syscall.AF_INET + sa.Len = sizeofSockaddrInet4 + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet4)(unsafe.Pointer(&gsr.Group)) + sa.Family = syscall.AF_INET + sa.Len = sizeofSockaddrInet4 + copy(sa.Addr[:], grp) + sa = (*sockaddrInet4)(unsafe.Pointer(&gsr.Source)) + sa.Family = syscall.AF_INET + sa.Len = sizeofSockaddrInet4 + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_aix_ppc64.go b/vendor/golang.org/x/net/ipv4/zsys_aix_ppc64.go new file mode 100644 index 000000000..b7f2d6e5c --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_aix_ppc64.go @@ -0,0 +1,17 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_aix.go + +// Added for go1.11 compatibility +//go:build aix +// +build aix + +package ipv4 + +const ( + sizeofIPMreq = 0x8 +) + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_darwin.go b/vendor/golang.org/x/net/ipv4/zsys_darwin.go new file mode 100644 index 000000000..6c1b70564 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_darwin.go @@ -0,0 +1,59 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_darwin.go + +package ipv4 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]int8 + X__ss_align int64 + X__ss_pad2 [112]int8 +} + +type sockaddrInet struct { + Len uint8 + Family uint8 + Port uint16 + Addr [4]byte /* in_addr */ + Zero [8]int8 +} + +type inetPktinfo struct { + Ifindex uint32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr [4]byte /* in_addr */ + Sourceaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [128]byte +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [128]byte + Pad_cgo_1 [128]byte +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_dragonfly.go b/vendor/golang.org/x/net/ipv4/zsys_dragonfly.go new file mode 100644 index 000000000..2155df130 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_dragonfly.go @@ -0,0 +1,13 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_dragonfly.go + +package ipv4 + +const ( + sizeofIPMreq = 0x8 +) + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_freebsd_386.go b/vendor/golang.org/x/net/ipv4/zsys_freebsd_386.go new file mode 100644 index 000000000..ae40482a8 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_freebsd_386.go @@ -0,0 +1,52 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package ipv4 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]int8 + X__ss_align int64 + X__ss_pad2 [112]int8 +} + +type sockaddrInet struct { + Len uint8 + Family uint8 + Port uint16 + Addr [4]byte /* in_addr */ + Zero [8]int8 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr [4]byte /* in_addr */ + Sourceaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type groupReq struct { + Interface uint32 + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group sockaddrStorage + Source sockaddrStorage +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_freebsd_amd64.go b/vendor/golang.org/x/net/ipv4/zsys_freebsd_amd64.go new file mode 100644 index 000000000..901818671 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_freebsd_amd64.go @@ -0,0 +1,54 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package ipv4 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]int8 + X__ss_align int64 + X__ss_pad2 [112]int8 +} + +type sockaddrInet struct { + Len uint8 + Family uint8 + Port uint16 + Addr [4]byte /* in_addr */ + Zero [8]int8 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr [4]byte /* in_addr */ + Sourceaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group sockaddrStorage + Source sockaddrStorage +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_freebsd_arm.go b/vendor/golang.org/x/net/ipv4/zsys_freebsd_arm.go new file mode 100644 index 000000000..901818671 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_freebsd_arm.go @@ -0,0 +1,54 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package ipv4 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]int8 + X__ss_align int64 + X__ss_pad2 [112]int8 +} + +type sockaddrInet struct { + Len uint8 + Family uint8 + Port uint16 + Addr [4]byte /* in_addr */ + Zero [8]int8 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr [4]byte /* in_addr */ + Sourceaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group sockaddrStorage + Source sockaddrStorage +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_freebsd_arm64.go b/vendor/golang.org/x/net/ipv4/zsys_freebsd_arm64.go new file mode 100644 index 000000000..0feb9a753 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_freebsd_arm64.go @@ -0,0 +1,52 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package ipv4 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]uint8 + X__ss_align int64 + X__ss_pad2 [112]uint8 +} + +type sockaddrInet struct { + Len uint8 + Family uint8 + Port uint16 + Addr [4]byte /* in_addr */ + Zero [8]uint8 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr [4]byte /* in_addr */ + Sourceaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type groupReq struct { + Interface uint32 + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group sockaddrStorage + Source sockaddrStorage +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_386.go b/vendor/golang.org/x/net/ipv4/zsys_linux_386.go new file mode 100644 index 000000000..d510357ca --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_386.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_amd64.go b/vendor/golang.org/x/net/ipv4/zsys_linux_amd64.go new file mode 100644 index 000000000..eb10cc79b --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_amd64.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_arm.go b/vendor/golang.org/x/net/ipv4/zsys_linux_arm.go new file mode 100644 index 000000000..d510357ca --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_arm.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_arm64.go b/vendor/golang.org/x/net/ipv4/zsys_linux_arm64.go new file mode 100644 index 000000000..eb10cc79b --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_arm64.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_loong64.go b/vendor/golang.org/x/net/ipv4/zsys_linux_loong64.go new file mode 100644 index 000000000..e15c22c74 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_loong64.go @@ -0,0 +1,77 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +//go:build loong64 +// +build loong64 + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_mips.go b/vendor/golang.org/x/net/ipv4/zsys_linux_mips.go new file mode 100644 index 000000000..d510357ca --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_mips.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_mips64.go b/vendor/golang.org/x/net/ipv4/zsys_linux_mips64.go new file mode 100644 index 000000000..eb10cc79b --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_mips64.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_mips64le.go b/vendor/golang.org/x/net/ipv4/zsys_linux_mips64le.go new file mode 100644 index 000000000..eb10cc79b --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_mips64le.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_mipsle.go b/vendor/golang.org/x/net/ipv4/zsys_linux_mipsle.go new file mode 100644 index 000000000..d510357ca --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_mipsle.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_ppc.go b/vendor/golang.org/x/net/ipv4/zsys_linux_ppc.go new file mode 100644 index 000000000..29202e401 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_ppc.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]uint8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_ppc64.go b/vendor/golang.org/x/net/ipv4/zsys_linux_ppc64.go new file mode 100644 index 000000000..eb10cc79b --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_ppc64.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_ppc64le.go b/vendor/golang.org/x/net/ipv4/zsys_linux_ppc64le.go new file mode 100644 index 000000000..eb10cc79b --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_ppc64le.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_riscv64.go b/vendor/golang.org/x/net/ipv4/zsys_linux_riscv64.go new file mode 100644 index 000000000..e2edebdb8 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_riscv64.go @@ -0,0 +1,77 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +//go:build riscv64 +// +build riscv64 + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_linux_s390x.go b/vendor/golang.org/x/net/ipv4/zsys_linux_s390x.go new file mode 100644 index 000000000..eb10cc79b --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_linux_s390x.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv4 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + sizeofSockExtendedErr = 0x10 + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPFilter = 0x4 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + X__pad [8]uint8 +} + +type inetPktinfo struct { + Ifindex int32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type sockExtendedErr struct { + Errno uint32 + Origin uint8 + Type uint8 + Code uint8 + Pad uint8 + Info uint32 + Data uint32 +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr uint32 + Interface uint32 + Sourceaddr uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpFilter struct { + Data uint32 +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_netbsd.go b/vendor/golang.org/x/net/ipv4/zsys_netbsd.go new file mode 100644 index 000000000..a2ef2f6d6 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_netbsd.go @@ -0,0 +1,13 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_netbsd.go + +package ipv4 + +const ( + sizeofIPMreq = 0x8 +) + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_openbsd.go b/vendor/golang.org/x/net/ipv4/zsys_openbsd.go new file mode 100644 index 000000000..b293a338f --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_openbsd.go @@ -0,0 +1,13 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_openbsd.go + +package ipv4 + +const ( + sizeofIPMreq = 0x8 +) + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_solaris.go b/vendor/golang.org/x/net/ipv4/zsys_solaris.go new file mode 100644 index 000000000..e1a961bb6 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_solaris.go @@ -0,0 +1,57 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_solaris.go + +package ipv4 + +const ( + sizeofSockaddrStorage = 0x100 + sizeofSockaddrInet = 0x10 + sizeofInetPktinfo = 0xc + + sizeofIPMreq = 0x8 + sizeofIPMreqSource = 0xc + sizeofGroupReq = 0x104 + sizeofGroupSourceReq = 0x204 +) + +type sockaddrStorage struct { + Family uint16 + X_ss_pad1 [6]int8 + X_ss_align float64 + X_ss_pad2 [240]int8 +} + +type sockaddrInet struct { + Family uint16 + Port uint16 + Addr [4]byte /* in_addr */ + Zero [8]int8 +} + +type inetPktinfo struct { + Ifindex uint32 + Spec_dst [4]byte /* in_addr */ + Addr [4]byte /* in_addr */ +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type ipMreqSource struct { + Multiaddr [4]byte /* in_addr */ + Sourceaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [256]byte +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [256]byte + Pad_cgo_1 [256]byte +} diff --git a/vendor/golang.org/x/net/ipv4/zsys_zos_s390x.go b/vendor/golang.org/x/net/ipv4/zsys_zos_s390x.go new file mode 100644 index 000000000..692abf688 --- /dev/null +++ b/vendor/golang.org/x/net/ipv4/zsys_zos_s390x.go @@ -0,0 +1,56 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Hand edited based on zerrors_zos_s390x.go +// TODO(Bill O'Farrell): auto-generate. + +package ipv4 + +const ( + sizeofIPMreq = 8 + sizeofSockaddrInet4 = 16 + sizeofSockaddrStorage = 128 + sizeofGroupReq = 136 + sizeofGroupSourceReq = 264 + sizeofInetPktinfo = 8 +) + +type sockaddrInet4 struct { + Len uint8 + Family uint8 + Port uint16 + Addr [4]byte + Zero [8]uint8 +} + +type inetPktinfo struct { + Addr [4]byte + Ifindex uint32 +} + +type sockaddrStorage struct { + Len uint8 + Family byte + ss_pad1 [6]byte + ss_align int64 + ss_pad2 [112]byte +} + +type groupReq struct { + Interface uint32 + reserved uint32 + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + reserved uint32 + Group sockaddrStorage + Source sockaddrStorage +} + +type ipMreq struct { + Multiaddr [4]byte /* in_addr */ + Interface [4]byte /* in_addr */ +} diff --git a/vendor/golang.org/x/net/ipv6/batch.go b/vendor/golang.org/x/net/ipv6/batch.go new file mode 100644 index 000000000..2ccb9849c --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/batch.go @@ -0,0 +1,116 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + "runtime" + + "golang.org/x/net/internal/socket" +) + +// BUG(mikio): On Windows, the ReadBatch and WriteBatch methods of +// PacketConn are not implemented. + +// A Message represents an IO message. +// +// type Message struct { +// Buffers [][]byte +// OOB []byte +// Addr net.Addr +// N int +// NN int +// Flags int +// } +// +// The Buffers fields represents a list of contiguous buffers, which +// can be used for vectored IO, for example, putting a header and a +// payload in each slice. +// When writing, the Buffers field must contain at least one byte to +// write. +// When reading, the Buffers field will always contain a byte to read. +// +// The OOB field contains protocol-specific control or miscellaneous +// ancillary data known as out-of-band data. +// It can be nil when not required. +// +// The Addr field specifies a destination address when writing. +// It can be nil when the underlying protocol of the endpoint uses +// connection-oriented communication. +// After a successful read, it may contain the source address on the +// received packet. +// +// The N field indicates the number of bytes read or written from/to +// Buffers. +// +// The NN field indicates the number of bytes read or written from/to +// OOB. +// +// The Flags field contains protocol-specific information on the +// received message. +type Message = socket.Message + +// ReadBatch reads a batch of messages. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_PEEK. +// +// On a successful read it returns the number of messages received, up +// to len(ms). +// +// On Linux, a batch read will be optimized. +// On other platforms, this method will read only a single message. +func (c *payloadHandler) ReadBatch(ms []Message, flags int) (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + switch runtime.GOOS { + case "linux": + n, err := c.RecvMsgs([]socket.Message(ms), flags) + if err != nil { + err = &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + return n, err + default: + n := 1 + err := c.RecvMsg(&ms[0], flags) + if err != nil { + n = 0 + err = &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + return n, err + } +} + +// WriteBatch writes a batch of messages. +// +// The provided flags is a set of platform-dependent flags, such as +// syscall.MSG_DONTROUTE. +// +// It returns the number of messages written on a successful write. +// +// On Linux, a batch write will be optimized. +// On other platforms, this method will write only a single message. +func (c *payloadHandler) WriteBatch(ms []Message, flags int) (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + switch runtime.GOOS { + case "linux": + n, err := c.SendMsgs([]socket.Message(ms), flags) + if err != nil { + err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + return n, err + default: + n := 1 + err := c.SendMsg(&ms[0], flags) + if err != nil { + n = 0 + err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + return n, err + } +} diff --git a/vendor/golang.org/x/net/ipv6/control.go b/vendor/golang.org/x/net/ipv6/control.go new file mode 100644 index 000000000..2da644413 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/control.go @@ -0,0 +1,187 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "fmt" + "net" + "sync" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" +) + +// Note that RFC 3542 obsoletes RFC 2292 but OS X Snow Leopard and the +// former still support RFC 2292 only. Please be aware that almost +// all protocol implementations prohibit using a combination of RFC +// 2292 and RFC 3542 for some practical reasons. + +type rawOpt struct { + sync.RWMutex + cflags ControlFlags +} + +func (c *rawOpt) set(f ControlFlags) { c.cflags |= f } +func (c *rawOpt) clear(f ControlFlags) { c.cflags &^= f } +func (c *rawOpt) isset(f ControlFlags) bool { return c.cflags&f != 0 } + +// A ControlFlags represents per packet basis IP-level socket option +// control flags. +type ControlFlags uint + +const ( + FlagTrafficClass ControlFlags = 1 << iota // pass the traffic class on the received packet + FlagHopLimit // pass the hop limit on the received packet + FlagSrc // pass the source address on the received packet + FlagDst // pass the destination address on the received packet + FlagInterface // pass the interface index on the received packet + FlagPathMTU // pass the path MTU on the received packet path +) + +const flagPacketInfo = FlagDst | FlagInterface + +// A ControlMessage represents per packet basis IP-level socket +// options. +type ControlMessage struct { + // Receiving socket options: SetControlMessage allows to + // receive the options from the protocol stack using ReadFrom + // method of PacketConn. + // + // Specifying socket options: ControlMessage for WriteTo + // method of PacketConn allows to send the options to the + // protocol stack. + // + TrafficClass int // traffic class, must be 1 <= value <= 255 when specifying + HopLimit int // hop limit, must be 1 <= value <= 255 when specifying + Src net.IP // source address, specifying only + Dst net.IP // destination address, receiving only + IfIndex int // interface index, must be 1 <= value when specifying + NextHop net.IP // next hop address, specifying only + MTU int // path MTU, receiving only +} + +func (cm *ControlMessage) String() string { + if cm == nil { + return "" + } + return fmt.Sprintf("tclass=%#x hoplim=%d src=%v dst=%v ifindex=%d nexthop=%v mtu=%d", cm.TrafficClass, cm.HopLimit, cm.Src, cm.Dst, cm.IfIndex, cm.NextHop, cm.MTU) +} + +// Marshal returns the binary encoding of cm. +func (cm *ControlMessage) Marshal() []byte { + if cm == nil { + return nil + } + var l int + tclass := false + if ctlOpts[ctlTrafficClass].name > 0 && cm.TrafficClass > 0 { + tclass = true + l += socket.ControlMessageSpace(ctlOpts[ctlTrafficClass].length) + } + hoplimit := false + if ctlOpts[ctlHopLimit].name > 0 && cm.HopLimit > 0 { + hoplimit = true + l += socket.ControlMessageSpace(ctlOpts[ctlHopLimit].length) + } + pktinfo := false + if ctlOpts[ctlPacketInfo].name > 0 && (cm.Src.To16() != nil && cm.Src.To4() == nil || cm.IfIndex > 0) { + pktinfo = true + l += socket.ControlMessageSpace(ctlOpts[ctlPacketInfo].length) + } + nexthop := false + if ctlOpts[ctlNextHop].name > 0 && cm.NextHop.To16() != nil && cm.NextHop.To4() == nil { + nexthop = true + l += socket.ControlMessageSpace(ctlOpts[ctlNextHop].length) + } + var b []byte + if l > 0 { + b = make([]byte, l) + bb := b + if tclass { + bb = ctlOpts[ctlTrafficClass].marshal(bb, cm) + } + if hoplimit { + bb = ctlOpts[ctlHopLimit].marshal(bb, cm) + } + if pktinfo { + bb = ctlOpts[ctlPacketInfo].marshal(bb, cm) + } + if nexthop { + bb = ctlOpts[ctlNextHop].marshal(bb, cm) + } + } + return b +} + +// Parse parses b as a control message and stores the result in cm. +func (cm *ControlMessage) Parse(b []byte) error { + ms, err := socket.ControlMessage(b).Parse() + if err != nil { + return err + } + for _, m := range ms { + lvl, typ, l, err := m.ParseHeader() + if err != nil { + return err + } + if lvl != iana.ProtocolIPv6 { + continue + } + switch { + case typ == ctlOpts[ctlTrafficClass].name && l >= ctlOpts[ctlTrafficClass].length: + ctlOpts[ctlTrafficClass].parse(cm, m.Data(l)) + case typ == ctlOpts[ctlHopLimit].name && l >= ctlOpts[ctlHopLimit].length: + ctlOpts[ctlHopLimit].parse(cm, m.Data(l)) + case typ == ctlOpts[ctlPacketInfo].name && l >= ctlOpts[ctlPacketInfo].length: + ctlOpts[ctlPacketInfo].parse(cm, m.Data(l)) + case typ == ctlOpts[ctlPathMTU].name && l >= ctlOpts[ctlPathMTU].length: + ctlOpts[ctlPathMTU].parse(cm, m.Data(l)) + } + } + return nil +} + +// NewControlMessage returns a new control message. +// +// The returned message is large enough for options specified by cf. +func NewControlMessage(cf ControlFlags) []byte { + opt := rawOpt{cflags: cf} + var l int + if opt.isset(FlagTrafficClass) && ctlOpts[ctlTrafficClass].name > 0 { + l += socket.ControlMessageSpace(ctlOpts[ctlTrafficClass].length) + } + if opt.isset(FlagHopLimit) && ctlOpts[ctlHopLimit].name > 0 { + l += socket.ControlMessageSpace(ctlOpts[ctlHopLimit].length) + } + if opt.isset(flagPacketInfo) && ctlOpts[ctlPacketInfo].name > 0 { + l += socket.ControlMessageSpace(ctlOpts[ctlPacketInfo].length) + } + if opt.isset(FlagPathMTU) && ctlOpts[ctlPathMTU].name > 0 { + l += socket.ControlMessageSpace(ctlOpts[ctlPathMTU].length) + } + var b []byte + if l > 0 { + b = make([]byte, l) + } + return b +} + +// Ancillary data socket options +const ( + ctlTrafficClass = iota // header field + ctlHopLimit // header field + ctlPacketInfo // inbound or outbound packet path + ctlNextHop // nexthop + ctlPathMTU // path mtu + ctlMax +) + +// A ctlOpt represents a binding for ancillary data socket option. +type ctlOpt struct { + name int // option name, must be equal or greater than 1 + length int // option length + marshal func([]byte, *ControlMessage) []byte + parse func(*ControlMessage, []byte) +} diff --git a/vendor/golang.org/x/net/ipv6/control_rfc2292_unix.go b/vendor/golang.org/x/net/ipv6/control_rfc2292_unix.go new file mode 100644 index 000000000..2733ddbe2 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/control_rfc2292_unix.go @@ -0,0 +1,51 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build darwin +// +build darwin + +package ipv6 + +import ( + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +func marshal2292HopLimit(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_2292HOPLIMIT, 4) + if cm != nil { + socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.HopLimit)) + } + return m.Next(4) +} + +func marshal2292PacketInfo(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_2292PKTINFO, sizeofInet6Pktinfo) + if cm != nil { + pi := (*inet6Pktinfo)(unsafe.Pointer(&m.Data(sizeofInet6Pktinfo)[0])) + if ip := cm.Src.To16(); ip != nil && ip.To4() == nil { + copy(pi.Addr[:], ip) + } + if cm.IfIndex > 0 { + pi.setIfindex(cm.IfIndex) + } + } + return m.Next(sizeofInet6Pktinfo) +} + +func marshal2292NextHop(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_2292NEXTHOP, sizeofSockaddrInet6) + if cm != nil { + sa := (*sockaddrInet6)(unsafe.Pointer(&m.Data(sizeofSockaddrInet6)[0])) + sa.setSockaddr(cm.NextHop, cm.IfIndex) + } + return m.Next(sizeofSockaddrInet6) +} diff --git a/vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go b/vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go new file mode 100644 index 000000000..9c90844aa --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/control_rfc3542_unix.go @@ -0,0 +1,97 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos + +package ipv6 + +import ( + "net" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +func marshalTrafficClass(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_TCLASS, 4) + if cm != nil { + socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.TrafficClass)) + } + return m.Next(4) +} + +func parseTrafficClass(cm *ControlMessage, b []byte) { + cm.TrafficClass = int(socket.NativeEndian.Uint32(b[:4])) +} + +func marshalHopLimit(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_HOPLIMIT, 4) + if cm != nil { + socket.NativeEndian.PutUint32(m.Data(4), uint32(cm.HopLimit)) + } + return m.Next(4) +} + +func parseHopLimit(cm *ControlMessage, b []byte) { + cm.HopLimit = int(socket.NativeEndian.Uint32(b[:4])) +} + +func marshalPacketInfo(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_PKTINFO, sizeofInet6Pktinfo) + if cm != nil { + pi := (*inet6Pktinfo)(unsafe.Pointer(&m.Data(sizeofInet6Pktinfo)[0])) + if ip := cm.Src.To16(); ip != nil && ip.To4() == nil { + copy(pi.Addr[:], ip) + } + if cm.IfIndex > 0 { + pi.setIfindex(cm.IfIndex) + } + } + return m.Next(sizeofInet6Pktinfo) +} + +func parsePacketInfo(cm *ControlMessage, b []byte) { + pi := (*inet6Pktinfo)(unsafe.Pointer(&b[0])) + if len(cm.Dst) < net.IPv6len { + cm.Dst = make(net.IP, net.IPv6len) + } + copy(cm.Dst, pi.Addr[:]) + cm.IfIndex = int(pi.Ifindex) +} + +func marshalNextHop(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_NEXTHOP, sizeofSockaddrInet6) + if cm != nil { + sa := (*sockaddrInet6)(unsafe.Pointer(&m.Data(sizeofSockaddrInet6)[0])) + sa.setSockaddr(cm.NextHop, cm.IfIndex) + } + return m.Next(sizeofSockaddrInet6) +} + +func parseNextHop(cm *ControlMessage, b []byte) { +} + +func marshalPathMTU(b []byte, cm *ControlMessage) []byte { + m := socket.ControlMessage(b) + m.MarshalHeader(iana.ProtocolIPv6, unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo) + return m.Next(sizeofIPv6Mtuinfo) +} + +func parsePathMTU(cm *ControlMessage, b []byte) { + mi := (*ipv6Mtuinfo)(unsafe.Pointer(&b[0])) + if len(cm.Dst) < net.IPv6len { + cm.Dst = make(net.IP, net.IPv6len) + } + copy(cm.Dst, mi.Addr.Addr[:]) + cm.IfIndex = int(mi.Addr.Scope_id) + cm.MTU = int(mi.Mtu) +} diff --git a/vendor/golang.org/x/net/ipv6/control_stub.go b/vendor/golang.org/x/net/ipv6/control_stub.go new file mode 100644 index 000000000..b7e8643fc --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/control_stub.go @@ -0,0 +1,14 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos + +package ipv6 + +import "golang.org/x/net/internal/socket" + +func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv6/control_unix.go b/vendor/golang.org/x/net/ipv6/control_unix.go new file mode 100644 index 000000000..63e475db8 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/control_unix.go @@ -0,0 +1,56 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos + +package ipv6 + +import "golang.org/x/net/internal/socket" + +func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error { + opt.Lock() + defer opt.Unlock() + if so, ok := sockOpts[ssoReceiveTrafficClass]; ok && cf&FlagTrafficClass != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(FlagTrafficClass) + } else { + opt.clear(FlagTrafficClass) + } + } + if so, ok := sockOpts[ssoReceiveHopLimit]; ok && cf&FlagHopLimit != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(FlagHopLimit) + } else { + opt.clear(FlagHopLimit) + } + } + if so, ok := sockOpts[ssoReceivePacketInfo]; ok && cf&flagPacketInfo != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(cf & flagPacketInfo) + } else { + opt.clear(cf & flagPacketInfo) + } + } + if so, ok := sockOpts[ssoReceivePathMTU]; ok && cf&FlagPathMTU != 0 { + if err := so.SetInt(c, boolint(on)); err != nil { + return err + } + if on { + opt.set(FlagPathMTU) + } else { + opt.clear(FlagPathMTU) + } + } + return nil +} diff --git a/vendor/golang.org/x/net/ipv6/control_windows.go b/vendor/golang.org/x/net/ipv6/control_windows.go new file mode 100644 index 000000000..8882d8193 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/control_windows.go @@ -0,0 +1,12 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import "golang.org/x/net/internal/socket" + +func setControlMessage(c *socket.Conn, opt *rawOpt, cf ControlFlags, on bool) error { + // TODO(mikio): implement this + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv6/dgramopt.go b/vendor/golang.org/x/net/ipv6/dgramopt.go new file mode 100644 index 000000000..1f422e71d --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/dgramopt.go @@ -0,0 +1,301 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + + "golang.org/x/net/bpf" +) + +// MulticastHopLimit returns the hop limit field value for outgoing +// multicast packets. +func (c *dgramOpt) MulticastHopLimit() (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + so, ok := sockOpts[ssoMulticastHopLimit] + if !ok { + return 0, errNotImplemented + } + return so.GetInt(c.Conn) +} + +// SetMulticastHopLimit sets the hop limit field value for future +// outgoing multicast packets. +func (c *dgramOpt) SetMulticastHopLimit(hoplim int) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoMulticastHopLimit] + if !ok { + return errNotImplemented + } + return so.SetInt(c.Conn, hoplim) +} + +// MulticastInterface returns the default interface for multicast +// packet transmissions. +func (c *dgramOpt) MulticastInterface() (*net.Interface, error) { + if !c.ok() { + return nil, errInvalidConn + } + so, ok := sockOpts[ssoMulticastInterface] + if !ok { + return nil, errNotImplemented + } + return so.getMulticastInterface(c.Conn) +} + +// SetMulticastInterface sets the default interface for future +// multicast packet transmissions. +func (c *dgramOpt) SetMulticastInterface(ifi *net.Interface) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoMulticastInterface] + if !ok { + return errNotImplemented + } + return so.setMulticastInterface(c.Conn, ifi) +} + +// MulticastLoopback reports whether transmitted multicast packets +// should be copied and send back to the originator. +func (c *dgramOpt) MulticastLoopback() (bool, error) { + if !c.ok() { + return false, errInvalidConn + } + so, ok := sockOpts[ssoMulticastLoopback] + if !ok { + return false, errNotImplemented + } + on, err := so.GetInt(c.Conn) + if err != nil { + return false, err + } + return on == 1, nil +} + +// SetMulticastLoopback sets whether transmitted multicast packets +// should be copied and send back to the originator. +func (c *dgramOpt) SetMulticastLoopback(on bool) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoMulticastLoopback] + if !ok { + return errNotImplemented + } + return so.SetInt(c.Conn, boolint(on)) +} + +// JoinGroup joins the group address group on the interface ifi. +// By default all sources that can cast data to group are accepted. +// It's possible to mute and unmute data transmission from a specific +// source by using ExcludeSourceSpecificGroup and +// IncludeSourceSpecificGroup. +// JoinGroup uses the system assigned multicast interface when ifi is +// nil, although this is not recommended because the assignment +// depends on platforms and sometimes it might require routing +// configuration. +func (c *dgramOpt) JoinGroup(ifi *net.Interface, group net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoJoinGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP16(group) + if grp == nil { + return errMissingAddress + } + return so.setGroup(c.Conn, ifi, grp) +} + +// LeaveGroup leaves the group address group on the interface ifi +// regardless of whether the group is any-source group or +// source-specific group. +func (c *dgramOpt) LeaveGroup(ifi *net.Interface, group net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoLeaveGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP16(group) + if grp == nil { + return errMissingAddress + } + return so.setGroup(c.Conn, ifi, grp) +} + +// JoinSourceSpecificGroup joins the source-specific group comprising +// group and source on the interface ifi. +// JoinSourceSpecificGroup uses the system assigned multicast +// interface when ifi is nil, although this is not recommended because +// the assignment depends on platforms and sometimes it might require +// routing configuration. +func (c *dgramOpt) JoinSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoJoinSourceGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP16(group) + if grp == nil { + return errMissingAddress + } + src := netAddrToIP16(source) + if src == nil { + return errMissingAddress + } + return so.setSourceGroup(c.Conn, ifi, grp, src) +} + +// LeaveSourceSpecificGroup leaves the source-specific group on the +// interface ifi. +func (c *dgramOpt) LeaveSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoLeaveSourceGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP16(group) + if grp == nil { + return errMissingAddress + } + src := netAddrToIP16(source) + if src == nil { + return errMissingAddress + } + return so.setSourceGroup(c.Conn, ifi, grp, src) +} + +// ExcludeSourceSpecificGroup excludes the source-specific group from +// the already joined any-source groups by JoinGroup on the interface +// ifi. +func (c *dgramOpt) ExcludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoBlockSourceGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP16(group) + if grp == nil { + return errMissingAddress + } + src := netAddrToIP16(source) + if src == nil { + return errMissingAddress + } + return so.setSourceGroup(c.Conn, ifi, grp, src) +} + +// IncludeSourceSpecificGroup includes the excluded source-specific +// group by ExcludeSourceSpecificGroup again on the interface ifi. +func (c *dgramOpt) IncludeSourceSpecificGroup(ifi *net.Interface, group, source net.Addr) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoUnblockSourceGroup] + if !ok { + return errNotImplemented + } + grp := netAddrToIP16(group) + if grp == nil { + return errMissingAddress + } + src := netAddrToIP16(source) + if src == nil { + return errMissingAddress + } + return so.setSourceGroup(c.Conn, ifi, grp, src) +} + +// Checksum reports whether the kernel will compute, store or verify a +// checksum for both incoming and outgoing packets. If on is true, it +// returns an offset in bytes into the data of where the checksum +// field is located. +func (c *dgramOpt) Checksum() (on bool, offset int, err error) { + if !c.ok() { + return false, 0, errInvalidConn + } + so, ok := sockOpts[ssoChecksum] + if !ok { + return false, 0, errNotImplemented + } + offset, err = so.GetInt(c.Conn) + if err != nil { + return false, 0, err + } + if offset < 0 { + return false, 0, nil + } + return true, offset, nil +} + +// SetChecksum enables the kernel checksum processing. If on is ture, +// the offset should be an offset in bytes into the data of where the +// checksum field is located. +func (c *dgramOpt) SetChecksum(on bool, offset int) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoChecksum] + if !ok { + return errNotImplemented + } + if !on { + offset = -1 + } + return so.SetInt(c.Conn, offset) +} + +// ICMPFilter returns an ICMP filter. +func (c *dgramOpt) ICMPFilter() (*ICMPFilter, error) { + if !c.ok() { + return nil, errInvalidConn + } + so, ok := sockOpts[ssoICMPFilter] + if !ok { + return nil, errNotImplemented + } + return so.getICMPFilter(c.Conn) +} + +// SetICMPFilter deploys the ICMP filter. +func (c *dgramOpt) SetICMPFilter(f *ICMPFilter) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoICMPFilter] + if !ok { + return errNotImplemented + } + return so.setICMPFilter(c.Conn, f) +} + +// SetBPF attaches a BPF program to the connection. +// +// Only supported on Linux. +func (c *dgramOpt) SetBPF(filter []bpf.RawInstruction) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoAttachFilter] + if !ok { + return errNotImplemented + } + return so.setBPF(c.Conn, filter) +} diff --git a/vendor/golang.org/x/net/ipv6/doc.go b/vendor/golang.org/x/net/ipv6/doc.go new file mode 100644 index 000000000..2148b814f --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/doc.go @@ -0,0 +1,239 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Package ipv6 implements IP-level socket options for the Internet +// Protocol version 6. +// +// The package provides IP-level socket options that allow +// manipulation of IPv6 facilities. +// +// The IPv6 protocol is defined in RFC 8200. +// Socket interface extensions are defined in RFC 3493, RFC 3542 and +// RFC 3678. +// MLDv1 and MLDv2 are defined in RFC 2710 and RFC 3810. +// Source-specific multicast is defined in RFC 4607. +// +// On Darwin, this package requires OS X Mavericks version 10.9 or +// above, or equivalent. +// +// # Unicasting +// +// The options for unicasting are available for net.TCPConn, +// net.UDPConn and net.IPConn which are created as network connections +// that use the IPv6 transport. When a single TCP connection carrying +// a data flow of multiple packets needs to indicate the flow is +// important, Conn is used to set the traffic class field on the IPv6 +// header for each packet. +// +// ln, err := net.Listen("tcp6", "[::]:1024") +// if err != nil { +// // error handling +// } +// defer ln.Close() +// for { +// c, err := ln.Accept() +// if err != nil { +// // error handling +// } +// go func(c net.Conn) { +// defer c.Close() +// +// The outgoing packets will be labeled DiffServ assured forwarding +// class 1 low drop precedence, known as AF11 packets. +// +// if err := ipv6.NewConn(c).SetTrafficClass(0x28); err != nil { +// // error handling +// } +// if _, err := c.Write(data); err != nil { +// // error handling +// } +// }(c) +// } +// +// # Multicasting +// +// The options for multicasting are available for net.UDPConn and +// net.IPConn which are created as network connections that use the +// IPv6 transport. A few network facilities must be prepared before +// you begin multicasting, at a minimum joining network interfaces and +// multicast groups. +// +// en0, err := net.InterfaceByName("en0") +// if err != nil { +// // error handling +// } +// en1, err := net.InterfaceByIndex(911) +// if err != nil { +// // error handling +// } +// group := net.ParseIP("ff02::114") +// +// First, an application listens to an appropriate address with an +// appropriate service port. +// +// c, err := net.ListenPacket("udp6", "[::]:1024") +// if err != nil { +// // error handling +// } +// defer c.Close() +// +// Second, the application joins multicast groups, starts listening to +// the groups on the specified network interfaces. Note that the +// service port for transport layer protocol does not matter with this +// operation as joining groups affects only network and link layer +// protocols, such as IPv6 and Ethernet. +// +// p := ipv6.NewPacketConn(c) +// if err := p.JoinGroup(en0, &net.UDPAddr{IP: group}); err != nil { +// // error handling +// } +// if err := p.JoinGroup(en1, &net.UDPAddr{IP: group}); err != nil { +// // error handling +// } +// +// The application might set per packet control message transmissions +// between the protocol stack within the kernel. When the application +// needs a destination address on an incoming packet, +// SetControlMessage of PacketConn is used to enable control message +// transmissions. +// +// if err := p.SetControlMessage(ipv6.FlagDst, true); err != nil { +// // error handling +// } +// +// The application could identify whether the received packets are +// of interest by using the control message that contains the +// destination address of the received packet. +// +// b := make([]byte, 1500) +// for { +// n, rcm, src, err := p.ReadFrom(b) +// if err != nil { +// // error handling +// } +// if rcm.Dst.IsMulticast() { +// if rcm.Dst.Equal(group) { +// // joined group, do something +// } else { +// // unknown group, discard +// continue +// } +// } +// +// The application can also send both unicast and multicast packets. +// +// p.SetTrafficClass(0x0) +// p.SetHopLimit(16) +// if _, err := p.WriteTo(data[:n], nil, src); err != nil { +// // error handling +// } +// dst := &net.UDPAddr{IP: group, Port: 1024} +// wcm := ipv6.ControlMessage{TrafficClass: 0xe0, HopLimit: 1} +// for _, ifi := range []*net.Interface{en0, en1} { +// wcm.IfIndex = ifi.Index +// if _, err := p.WriteTo(data[:n], &wcm, dst); err != nil { +// // error handling +// } +// } +// } +// +// # More multicasting +// +// An application that uses PacketConn may join multiple multicast +// groups. For example, a UDP listener with port 1024 might join two +// different groups across over two different network interfaces by +// using: +// +// c, err := net.ListenPacket("udp6", "[::]:1024") +// if err != nil { +// // error handling +// } +// defer c.Close() +// p := ipv6.NewPacketConn(c) +// if err := p.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::1:114")}); err != nil { +// // error handling +// } +// if err := p.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::2:114")}); err != nil { +// // error handling +// } +// if err := p.JoinGroup(en1, &net.UDPAddr{IP: net.ParseIP("ff02::2:114")}); err != nil { +// // error handling +// } +// +// It is possible for multiple UDP listeners that listen on the same +// UDP port to join the same multicast group. The net package will +// provide a socket that listens to a wildcard address with reusable +// UDP port when an appropriate multicast address prefix is passed to +// the net.ListenPacket or net.ListenUDP. +// +// c1, err := net.ListenPacket("udp6", "[ff02::]:1024") +// if err != nil { +// // error handling +// } +// defer c1.Close() +// c2, err := net.ListenPacket("udp6", "[ff02::]:1024") +// if err != nil { +// // error handling +// } +// defer c2.Close() +// p1 := ipv6.NewPacketConn(c1) +// if err := p1.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::114")}); err != nil { +// // error handling +// } +// p2 := ipv6.NewPacketConn(c2) +// if err := p2.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::114")}); err != nil { +// // error handling +// } +// +// Also it is possible for the application to leave or rejoin a +// multicast group on the network interface. +// +// if err := p.LeaveGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff02::114")}); err != nil { +// // error handling +// } +// if err := p.JoinGroup(en0, &net.UDPAddr{IP: net.ParseIP("ff01::114")}); err != nil { +// // error handling +// } +// +// # Source-specific multicasting +// +// An application that uses PacketConn on MLDv2 supported platform is +// able to join source-specific multicast groups. +// The application may use JoinSourceSpecificGroup and +// LeaveSourceSpecificGroup for the operation known as "include" mode, +// +// ssmgroup := net.UDPAddr{IP: net.ParseIP("ff32::8000:9")} +// ssmsource := net.UDPAddr{IP: net.ParseIP("fe80::cafe")} +// if err := p.JoinSourceSpecificGroup(en0, &ssmgroup, &ssmsource); err != nil { +// // error handling +// } +// if err := p.LeaveSourceSpecificGroup(en0, &ssmgroup, &ssmsource); err != nil { +// // error handling +// } +// +// or JoinGroup, ExcludeSourceSpecificGroup, +// IncludeSourceSpecificGroup and LeaveGroup for the operation known +// as "exclude" mode. +// +// exclsource := net.UDPAddr{IP: net.ParseIP("fe80::dead")} +// if err := p.JoinGroup(en0, &ssmgroup); err != nil { +// // error handling +// } +// if err := p.ExcludeSourceSpecificGroup(en0, &ssmgroup, &exclsource); err != nil { +// // error handling +// } +// if err := p.LeaveGroup(en0, &ssmgroup); err != nil { +// // error handling +// } +// +// Note that it depends on each platform implementation what happens +// when an application which runs on MLDv2 unsupported platform uses +// JoinSourceSpecificGroup and LeaveSourceSpecificGroup. +// In general the platform tries to fall back to conversations using +// MLDv1 and starts to listen to multicast traffic. +// In the fallback case, ExcludeSourceSpecificGroup and +// IncludeSourceSpecificGroup may return an error. +package ipv6 // import "golang.org/x/net/ipv6" + +// BUG(mikio): This package is not implemented on JS, NaCl and Plan 9. diff --git a/vendor/golang.org/x/net/ipv6/endpoint.go b/vendor/golang.org/x/net/ipv6/endpoint.go new file mode 100644 index 000000000..f534a0bf3 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/endpoint.go @@ -0,0 +1,127 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + "time" + + "golang.org/x/net/internal/socket" +) + +// BUG(mikio): On Windows, the JoinSourceSpecificGroup, +// LeaveSourceSpecificGroup, ExcludeSourceSpecificGroup and +// IncludeSourceSpecificGroup methods of PacketConn are not +// implemented. + +// A Conn represents a network endpoint that uses IPv6 transport. +// It allows to set basic IP-level socket options such as traffic +// class and hop limit. +type Conn struct { + genericOpt +} + +type genericOpt struct { + *socket.Conn +} + +func (c *genericOpt) ok() bool { return c != nil && c.Conn != nil } + +// PathMTU returns a path MTU value for the destination associated +// with the endpoint. +func (c *Conn) PathMTU() (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + so, ok := sockOpts[ssoPathMTU] + if !ok { + return 0, errNotImplemented + } + _, mtu, err := so.getMTUInfo(c.Conn) + if err != nil { + return 0, err + } + return mtu, nil +} + +// NewConn returns a new Conn. +func NewConn(c net.Conn) *Conn { + cc, _ := socket.NewConn(c) + return &Conn{ + genericOpt: genericOpt{Conn: cc}, + } +} + +// A PacketConn represents a packet network endpoint that uses IPv6 +// transport. It is used to control several IP-level socket options +// including IPv6 header manipulation. It also provides datagram +// based network I/O methods specific to the IPv6 and higher layer +// protocols such as OSPF, GRE, and UDP. +type PacketConn struct { + genericOpt + dgramOpt + payloadHandler +} + +type dgramOpt struct { + *socket.Conn +} + +func (c *dgramOpt) ok() bool { return c != nil && c.Conn != nil } + +// SetControlMessage allows to receive the per packet basis IP-level +// socket options. +func (c *PacketConn) SetControlMessage(cf ControlFlags, on bool) error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return setControlMessage(c.dgramOpt.Conn, &c.payloadHandler.rawOpt, cf, on) +} + +// SetDeadline sets the read and write deadlines associated with the +// endpoint. +func (c *PacketConn) SetDeadline(t time.Time) error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return c.payloadHandler.SetDeadline(t) +} + +// SetReadDeadline sets the read deadline associated with the +// endpoint. +func (c *PacketConn) SetReadDeadline(t time.Time) error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return c.payloadHandler.SetReadDeadline(t) +} + +// SetWriteDeadline sets the write deadline associated with the +// endpoint. +func (c *PacketConn) SetWriteDeadline(t time.Time) error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return c.payloadHandler.SetWriteDeadline(t) +} + +// Close closes the endpoint. +func (c *PacketConn) Close() error { + if !c.payloadHandler.ok() { + return errInvalidConn + } + return c.payloadHandler.Close() +} + +// NewPacketConn returns a new PacketConn using c as its underlying +// transport. +func NewPacketConn(c net.PacketConn) *PacketConn { + cc, _ := socket.NewConn(c.(net.Conn)) + return &PacketConn{ + genericOpt: genericOpt{Conn: cc}, + dgramOpt: dgramOpt{Conn: cc}, + payloadHandler: payloadHandler{PacketConn: c, Conn: cc}, + } +} diff --git a/vendor/golang.org/x/net/ipv6/genericopt.go b/vendor/golang.org/x/net/ipv6/genericopt.go new file mode 100644 index 000000000..0326aed6d --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/genericopt.go @@ -0,0 +1,56 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +// TrafficClass returns the traffic class field value for outgoing +// packets. +func (c *genericOpt) TrafficClass() (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + so, ok := sockOpts[ssoTrafficClass] + if !ok { + return 0, errNotImplemented + } + return so.GetInt(c.Conn) +} + +// SetTrafficClass sets the traffic class field value for future +// outgoing packets. +func (c *genericOpt) SetTrafficClass(tclass int) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoTrafficClass] + if !ok { + return errNotImplemented + } + return so.SetInt(c.Conn, tclass) +} + +// HopLimit returns the hop limit field value for outgoing packets. +func (c *genericOpt) HopLimit() (int, error) { + if !c.ok() { + return 0, errInvalidConn + } + so, ok := sockOpts[ssoHopLimit] + if !ok { + return 0, errNotImplemented + } + return so.GetInt(c.Conn) +} + +// SetHopLimit sets the hop limit field value for future outgoing +// packets. +func (c *genericOpt) SetHopLimit(hoplim int) error { + if !c.ok() { + return errInvalidConn + } + so, ok := sockOpts[ssoHopLimit] + if !ok { + return errNotImplemented + } + return so.SetInt(c.Conn, hoplim) +} diff --git a/vendor/golang.org/x/net/ipv6/header.go b/vendor/golang.org/x/net/ipv6/header.go new file mode 100644 index 000000000..e05cb08b2 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/header.go @@ -0,0 +1,55 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "encoding/binary" + "fmt" + "net" +) + +const ( + Version = 6 // protocol version + HeaderLen = 40 // header length +) + +// A Header represents an IPv6 base header. +type Header struct { + Version int // protocol version + TrafficClass int // traffic class + FlowLabel int // flow label + PayloadLen int // payload length + NextHeader int // next header + HopLimit int // hop limit + Src net.IP // source address + Dst net.IP // destination address +} + +func (h *Header) String() string { + if h == nil { + return "" + } + return fmt.Sprintf("ver=%d tclass=%#x flowlbl=%#x payloadlen=%d nxthdr=%d hoplim=%d src=%v dst=%v", h.Version, h.TrafficClass, h.FlowLabel, h.PayloadLen, h.NextHeader, h.HopLimit, h.Src, h.Dst) +} + +// ParseHeader parses b as an IPv6 base header. +func ParseHeader(b []byte) (*Header, error) { + if len(b) < HeaderLen { + return nil, errHeaderTooShort + } + h := &Header{ + Version: int(b[0]) >> 4, + TrafficClass: int(b[0]&0x0f)<<4 | int(b[1])>>4, + FlowLabel: int(b[1]&0x0f)<<16 | int(b[2])<<8 | int(b[3]), + PayloadLen: int(binary.BigEndian.Uint16(b[4:6])), + NextHeader: int(b[6]), + HopLimit: int(b[7]), + } + h.Src = make(net.IP, net.IPv6len) + copy(h.Src, b[8:24]) + h.Dst = make(net.IP, net.IPv6len) + copy(h.Dst, b[24:40]) + return h, nil +} diff --git a/vendor/golang.org/x/net/ipv6/helper.go b/vendor/golang.org/x/net/ipv6/helper.go new file mode 100644 index 000000000..c2d508f9c --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/helper.go @@ -0,0 +1,58 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "errors" + "net" + "runtime" +) + +var ( + errInvalidConn = errors.New("invalid connection") + errMissingAddress = errors.New("missing address") + errHeaderTooShort = errors.New("header too short") + errInvalidConnType = errors.New("invalid conn type") + errNotImplemented = errors.New("not implemented on " + runtime.GOOS + "/" + runtime.GOARCH) +) + +func boolint(b bool) int { + if b { + return 1 + } + return 0 +} + +func netAddrToIP16(a net.Addr) net.IP { + switch v := a.(type) { + case *net.UDPAddr: + if ip := v.IP.To16(); ip != nil && ip.To4() == nil { + return ip + } + case *net.IPAddr: + if ip := v.IP.To16(); ip != nil && ip.To4() == nil { + return ip + } + } + return nil +} + +func opAddr(a net.Addr) net.Addr { + switch a.(type) { + case *net.TCPAddr: + if a == nil { + return nil + } + case *net.UDPAddr: + if a == nil { + return nil + } + case *net.IPAddr: + if a == nil { + return nil + } + } + return a +} diff --git a/vendor/golang.org/x/net/ipv6/iana.go b/vendor/golang.org/x/net/ipv6/iana.go new file mode 100644 index 000000000..32db1aa94 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/iana.go @@ -0,0 +1,86 @@ +// go generate gen.go +// Code generated by the command above; DO NOT EDIT. + +package ipv6 + +// Internet Control Message Protocol version 6 (ICMPv6) Parameters, Updated: 2018-03-09 +const ( + ICMPTypeDestinationUnreachable ICMPType = 1 // Destination Unreachable + ICMPTypePacketTooBig ICMPType = 2 // Packet Too Big + ICMPTypeTimeExceeded ICMPType = 3 // Time Exceeded + ICMPTypeParameterProblem ICMPType = 4 // Parameter Problem + ICMPTypeEchoRequest ICMPType = 128 // Echo Request + ICMPTypeEchoReply ICMPType = 129 // Echo Reply + ICMPTypeMulticastListenerQuery ICMPType = 130 // Multicast Listener Query + ICMPTypeMulticastListenerReport ICMPType = 131 // Multicast Listener Report + ICMPTypeMulticastListenerDone ICMPType = 132 // Multicast Listener Done + ICMPTypeRouterSolicitation ICMPType = 133 // Router Solicitation + ICMPTypeRouterAdvertisement ICMPType = 134 // Router Advertisement + ICMPTypeNeighborSolicitation ICMPType = 135 // Neighbor Solicitation + ICMPTypeNeighborAdvertisement ICMPType = 136 // Neighbor Advertisement + ICMPTypeRedirect ICMPType = 137 // Redirect Message + ICMPTypeRouterRenumbering ICMPType = 138 // Router Renumbering + ICMPTypeNodeInformationQuery ICMPType = 139 // ICMP Node Information Query + ICMPTypeNodeInformationResponse ICMPType = 140 // ICMP Node Information Response + ICMPTypeInverseNeighborDiscoverySolicitation ICMPType = 141 // Inverse Neighbor Discovery Solicitation Message + ICMPTypeInverseNeighborDiscoveryAdvertisement ICMPType = 142 // Inverse Neighbor Discovery Advertisement Message + ICMPTypeVersion2MulticastListenerReport ICMPType = 143 // Version 2 Multicast Listener Report + ICMPTypeHomeAgentAddressDiscoveryRequest ICMPType = 144 // Home Agent Address Discovery Request Message + ICMPTypeHomeAgentAddressDiscoveryReply ICMPType = 145 // Home Agent Address Discovery Reply Message + ICMPTypeMobilePrefixSolicitation ICMPType = 146 // Mobile Prefix Solicitation + ICMPTypeMobilePrefixAdvertisement ICMPType = 147 // Mobile Prefix Advertisement + ICMPTypeCertificationPathSolicitation ICMPType = 148 // Certification Path Solicitation Message + ICMPTypeCertificationPathAdvertisement ICMPType = 149 // Certification Path Advertisement Message + ICMPTypeMulticastRouterAdvertisement ICMPType = 151 // Multicast Router Advertisement + ICMPTypeMulticastRouterSolicitation ICMPType = 152 // Multicast Router Solicitation + ICMPTypeMulticastRouterTermination ICMPType = 153 // Multicast Router Termination + ICMPTypeFMIPv6 ICMPType = 154 // FMIPv6 Messages + ICMPTypeRPLControl ICMPType = 155 // RPL Control Message + ICMPTypeILNPv6LocatorUpdate ICMPType = 156 // ILNPv6 Locator Update Message + ICMPTypeDuplicateAddressRequest ICMPType = 157 // Duplicate Address Request + ICMPTypeDuplicateAddressConfirmation ICMPType = 158 // Duplicate Address Confirmation + ICMPTypeMPLControl ICMPType = 159 // MPL Control Message + ICMPTypeExtendedEchoRequest ICMPType = 160 // Extended Echo Request + ICMPTypeExtendedEchoReply ICMPType = 161 // Extended Echo Reply +) + +// Internet Control Message Protocol version 6 (ICMPv6) Parameters, Updated: 2018-03-09 +var icmpTypes = map[ICMPType]string{ + 1: "destination unreachable", + 2: "packet too big", + 3: "time exceeded", + 4: "parameter problem", + 128: "echo request", + 129: "echo reply", + 130: "multicast listener query", + 131: "multicast listener report", + 132: "multicast listener done", + 133: "router solicitation", + 134: "router advertisement", + 135: "neighbor solicitation", + 136: "neighbor advertisement", + 137: "redirect message", + 138: "router renumbering", + 139: "icmp node information query", + 140: "icmp node information response", + 141: "inverse neighbor discovery solicitation message", + 142: "inverse neighbor discovery advertisement message", + 143: "version 2 multicast listener report", + 144: "home agent address discovery request message", + 145: "home agent address discovery reply message", + 146: "mobile prefix solicitation", + 147: "mobile prefix advertisement", + 148: "certification path solicitation message", + 149: "certification path advertisement message", + 151: "multicast router advertisement", + 152: "multicast router solicitation", + 153: "multicast router termination", + 154: "fmipv6 messages", + 155: "rpl control message", + 156: "ilnpv6 locator update message", + 157: "duplicate address request", + 158: "duplicate address confirmation", + 159: "mpl control message", + 160: "extended echo request", + 161: "extended echo reply", +} diff --git a/vendor/golang.org/x/net/ipv6/icmp.go b/vendor/golang.org/x/net/ipv6/icmp.go new file mode 100644 index 000000000..b7f48e27b --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/icmp.go @@ -0,0 +1,60 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import "golang.org/x/net/internal/iana" + +// BUG(mikio): On Windows, methods related to ICMPFilter are not +// implemented. + +// An ICMPType represents a type of ICMP message. +type ICMPType int + +func (typ ICMPType) String() string { + s, ok := icmpTypes[typ] + if !ok { + return "" + } + return s +} + +// Protocol returns the ICMPv6 protocol number. +func (typ ICMPType) Protocol() int { + return iana.ProtocolIPv6ICMP +} + +// An ICMPFilter represents an ICMP message filter for incoming +// packets. The filter belongs to a packet delivery path on a host and +// it cannot interact with forwarding packets or tunnel-outer packets. +// +// Note: RFC 8200 defines a reasonable role model. A node means a +// device that implements IP. A router means a node that forwards IP +// packets not explicitly addressed to itself, and a host means a node +// that is not a router. +type ICMPFilter struct { + icmpv6Filter +} + +// Accept accepts incoming ICMP packets including the type field value +// typ. +func (f *ICMPFilter) Accept(typ ICMPType) { + f.accept(typ) +} + +// Block blocks incoming ICMP packets including the type field value +// typ. +func (f *ICMPFilter) Block(typ ICMPType) { + f.block(typ) +} + +// SetAll sets the filter action to the filter. +func (f *ICMPFilter) SetAll(block bool) { + f.setAll(block) +} + +// WillBlock reports whether the ICMP type will be blocked. +func (f *ICMPFilter) WillBlock(typ ICMPType) bool { + return f.willBlock(typ) +} diff --git a/vendor/golang.org/x/net/ipv6/icmp_bsd.go b/vendor/golang.org/x/net/ipv6/icmp_bsd.go new file mode 100644 index 000000000..120bf8775 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/icmp_bsd.go @@ -0,0 +1,30 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || netbsd || openbsd +// +build aix darwin dragonfly freebsd netbsd openbsd + +package ipv6 + +func (f *icmpv6Filter) accept(typ ICMPType) { + f.Filt[typ>>5] |= 1 << (uint32(typ) & 31) +} + +func (f *icmpv6Filter) block(typ ICMPType) { + f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31) +} + +func (f *icmpv6Filter) setAll(block bool) { + for i := range f.Filt { + if block { + f.Filt[i] = 0 + } else { + f.Filt[i] = 1<<32 - 1 + } + } +} + +func (f *icmpv6Filter) willBlock(typ ICMPType) bool { + return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0 +} diff --git a/vendor/golang.org/x/net/ipv6/icmp_linux.go b/vendor/golang.org/x/net/ipv6/icmp_linux.go new file mode 100644 index 000000000..647f6b44f --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/icmp_linux.go @@ -0,0 +1,27 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +func (f *icmpv6Filter) accept(typ ICMPType) { + f.Data[typ>>5] &^= 1 << (uint32(typ) & 31) +} + +func (f *icmpv6Filter) block(typ ICMPType) { + f.Data[typ>>5] |= 1 << (uint32(typ) & 31) +} + +func (f *icmpv6Filter) setAll(block bool) { + for i := range f.Data { + if block { + f.Data[i] = 1<<32 - 1 + } else { + f.Data[i] = 0 + } + } +} + +func (f *icmpv6Filter) willBlock(typ ICMPType) bool { + return f.Data[typ>>5]&(1<<(uint32(typ)&31)) != 0 +} diff --git a/vendor/golang.org/x/net/ipv6/icmp_solaris.go b/vendor/golang.org/x/net/ipv6/icmp_solaris.go new file mode 100644 index 000000000..7c23bb1cf --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/icmp_solaris.go @@ -0,0 +1,27 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +func (f *icmpv6Filter) accept(typ ICMPType) { + f.X__icmp6_filt[typ>>5] |= 1 << (uint32(typ) & 31) +} + +func (f *icmpv6Filter) block(typ ICMPType) { + f.X__icmp6_filt[typ>>5] &^= 1 << (uint32(typ) & 31) +} + +func (f *icmpv6Filter) setAll(block bool) { + for i := range f.X__icmp6_filt { + if block { + f.X__icmp6_filt[i] = 0 + } else { + f.X__icmp6_filt[i] = 1<<32 - 1 + } + } +} + +func (f *icmpv6Filter) willBlock(typ ICMPType) bool { + return f.X__icmp6_filt[typ>>5]&(1<<(uint32(typ)&31)) == 0 +} diff --git a/vendor/golang.org/x/net/ipv6/icmp_stub.go b/vendor/golang.org/x/net/ipv6/icmp_stub.go new file mode 100644 index 000000000..d60136a90 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/icmp_stub.go @@ -0,0 +1,24 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos + +package ipv6 + +type icmpv6Filter struct { +} + +func (f *icmpv6Filter) accept(typ ICMPType) { +} + +func (f *icmpv6Filter) block(typ ICMPType) { +} + +func (f *icmpv6Filter) setAll(block bool) { +} + +func (f *icmpv6Filter) willBlock(typ ICMPType) bool { + return false +} diff --git a/vendor/golang.org/x/net/ipv6/icmp_windows.go b/vendor/golang.org/x/net/ipv6/icmp_windows.go new file mode 100644 index 000000000..443cd0736 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/icmp_windows.go @@ -0,0 +1,22 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +func (f *icmpv6Filter) accept(typ ICMPType) { + // TODO(mikio): implement this +} + +func (f *icmpv6Filter) block(typ ICMPType) { + // TODO(mikio): implement this +} + +func (f *icmpv6Filter) setAll(block bool) { + // TODO(mikio): implement this +} + +func (f *icmpv6Filter) willBlock(typ ICMPType) bool { + // TODO(mikio): implement this + return false +} diff --git a/vendor/golang.org/x/net/ipv6/icmp_zos.go b/vendor/golang.org/x/net/ipv6/icmp_zos.go new file mode 100644 index 000000000..ddf8f093f --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/icmp_zos.go @@ -0,0 +1,29 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +func (f *icmpv6Filter) accept(typ ICMPType) { + f.Filt[typ>>5] |= 1 << (uint32(typ) & 31) + +} + +func (f *icmpv6Filter) block(typ ICMPType) { + f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31) + +} + +func (f *icmpv6Filter) setAll(block bool) { + for i := range f.Filt { + if block { + f.Filt[i] = 0 + } else { + f.Filt[i] = 1<<32 - 1 + } + } +} + +func (f *icmpv6Filter) willBlock(typ ICMPType) bool { + return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0 +} diff --git a/vendor/golang.org/x/net/ipv6/payload.go b/vendor/golang.org/x/net/ipv6/payload.go new file mode 100644 index 000000000..a8197f169 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/payload.go @@ -0,0 +1,23 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +// BUG(mikio): On Windows, the ControlMessage for ReadFrom and WriteTo +// methods of PacketConn is not implemented. + +// A payloadHandler represents the IPv6 datagram payload handler. +type payloadHandler struct { + net.PacketConn + *socket.Conn + rawOpt +} + +func (c *payloadHandler) ok() bool { return c != nil && c.PacketConn != nil && c.Conn != nil } diff --git a/vendor/golang.org/x/net/ipv6/payload_cmsg.go b/vendor/golang.org/x/net/ipv6/payload_cmsg.go new file mode 100644 index 000000000..b0692e430 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/payload_cmsg.go @@ -0,0 +1,71 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris zos + +package ipv6 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +// ReadFrom reads a payload of the received IPv6 datagram, from the +// endpoint c, copying the payload into b. It returns the number of +// bytes copied into b, the control message cm and the source address +// src of the received datagram. +func (c *payloadHandler) ReadFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) { + if !c.ok() { + return 0, nil, nil, errInvalidConn + } + c.rawOpt.RLock() + m := socket.Message{ + Buffers: [][]byte{b}, + OOB: NewControlMessage(c.rawOpt.cflags), + } + c.rawOpt.RUnlock() + switch c.PacketConn.(type) { + case *net.UDPConn: + if err := c.RecvMsg(&m, 0); err != nil { + return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + case *net.IPConn: + if err := c.RecvMsg(&m, 0); err != nil { + return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + default: + return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: errInvalidConnType} + } + if m.NN > 0 { + cm = new(ControlMessage) + if err := cm.Parse(m.OOB[:m.NN]); err != nil { + return 0, nil, nil, &net.OpError{Op: "read", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Err: err} + } + cm.Src = netAddrToIP16(m.Addr) + } + return m.N, cm, m.Addr, nil +} + +// WriteTo writes a payload of the IPv6 datagram, to the destination +// address dst through the endpoint c, copying the payload from b. It +// returns the number of bytes written. The control message cm allows +// the IPv6 header fields and the datagram path to be specified. The +// cm may be nil if control of the outgoing datagram is not required. +func (c *payloadHandler) WriteTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) { + if !c.ok() { + return 0, errInvalidConn + } + m := socket.Message{ + Buffers: [][]byte{b}, + OOB: cm.Marshal(), + Addr: dst, + } + err = c.SendMsg(&m, 0) + if err != nil { + err = &net.OpError{Op: "write", Net: c.PacketConn.LocalAddr().Network(), Source: c.PacketConn.LocalAddr(), Addr: opAddr(dst), Err: err} + } + return m.N, err +} diff --git a/vendor/golang.org/x/net/ipv6/payload_nocmsg.go b/vendor/golang.org/x/net/ipv6/payload_nocmsg.go new file mode 100644 index 000000000..cd0ff5083 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/payload_nocmsg.go @@ -0,0 +1,39 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!zos + +package ipv6 + +import "net" + +// ReadFrom reads a payload of the received IPv6 datagram, from the +// endpoint c, copying the payload into b. It returns the number of +// bytes copied into b, the control message cm and the source address +// src of the received datagram. +func (c *payloadHandler) ReadFrom(b []byte) (n int, cm *ControlMessage, src net.Addr, err error) { + if !c.ok() { + return 0, nil, nil, errInvalidConn + } + if n, src, err = c.PacketConn.ReadFrom(b); err != nil { + return 0, nil, nil, err + } + return +} + +// WriteTo writes a payload of the IPv6 datagram, to the destination +// address dst through the endpoint c, copying the payload from b. It +// returns the number of bytes written. The control message cm allows +// the IPv6 header fields and the datagram path to be specified. The +// cm may be nil if control of the outgoing datagram is not required. +func (c *payloadHandler) WriteTo(b []byte, cm *ControlMessage, dst net.Addr) (n int, err error) { + if !c.ok() { + return 0, errInvalidConn + } + if dst == nil { + return 0, errMissingAddress + } + return c.PacketConn.WriteTo(b, dst) +} diff --git a/vendor/golang.org/x/net/ipv6/sockopt.go b/vendor/golang.org/x/net/ipv6/sockopt.go new file mode 100644 index 000000000..cc3907df3 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sockopt.go @@ -0,0 +1,43 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import "golang.org/x/net/internal/socket" + +// Sticky socket options +const ( + ssoTrafficClass = iota // header field for unicast packet, RFC 3542 + ssoHopLimit // header field for unicast packet, RFC 3493 + ssoMulticastInterface // outbound interface for multicast packet, RFC 3493 + ssoMulticastHopLimit // header field for multicast packet, RFC 3493 + ssoMulticastLoopback // loopback for multicast packet, RFC 3493 + ssoReceiveTrafficClass // header field on received packet, RFC 3542 + ssoReceiveHopLimit // header field on received packet, RFC 2292 or 3542 + ssoReceivePacketInfo // incbound or outbound packet path, RFC 2292 or 3542 + ssoReceivePathMTU // path mtu, RFC 3542 + ssoPathMTU // path mtu, RFC 3542 + ssoChecksum // packet checksum, RFC 2292 or 3542 + ssoICMPFilter // icmp filter, RFC 2292 or 3542 + ssoJoinGroup // any-source multicast, RFC 3493 + ssoLeaveGroup // any-source multicast, RFC 3493 + ssoJoinSourceGroup // source-specific multicast + ssoLeaveSourceGroup // source-specific multicast + ssoBlockSourceGroup // any-source or source-specific multicast + ssoUnblockSourceGroup // any-source or source-specific multicast + ssoAttachFilter // attach BPF for filtering inbound traffic +) + +// Sticky socket option value types +const ( + ssoTypeIPMreq = iota + 1 + ssoTypeGroupReq + ssoTypeGroupSourceReq +) + +// A sockOpt represents a binding for sticky socket option. +type sockOpt struct { + socket.Option + typ int // hint for option value type; optional +} diff --git a/vendor/golang.org/x/net/ipv6/sockopt_posix.go b/vendor/golang.org/x/net/ipv6/sockopt_posix.go new file mode 100644 index 000000000..37c628713 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sockopt_posix.go @@ -0,0 +1,90 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos + +package ipv6 + +import ( + "net" + "runtime" + "unsafe" + + "golang.org/x/net/bpf" + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) getMulticastInterface(c *socket.Conn) (*net.Interface, error) { + n, err := so.GetInt(c) + if err != nil { + return nil, err + } + return net.InterfaceByIndex(n) +} + +func (so *sockOpt) setMulticastInterface(c *socket.Conn, ifi *net.Interface) error { + var n int + if ifi != nil { + n = ifi.Index + } + return so.SetInt(c, n) +} + +func (so *sockOpt) getICMPFilter(c *socket.Conn) (*ICMPFilter, error) { + b := make([]byte, so.Len) + n, err := so.Get(c, b) + if err != nil { + return nil, err + } + if n != sizeofICMPv6Filter { + return nil, errNotImplemented + } + return (*ICMPFilter)(unsafe.Pointer(&b[0])), nil +} + +func (so *sockOpt) setICMPFilter(c *socket.Conn, f *ICMPFilter) error { + b := (*[sizeofICMPv6Filter]byte)(unsafe.Pointer(f))[:sizeofICMPv6Filter] + return so.Set(c, b) +} + +func (so *sockOpt) getMTUInfo(c *socket.Conn) (*net.Interface, int, error) { + b := make([]byte, so.Len) + n, err := so.Get(c, b) + if err != nil { + return nil, 0, err + } + if n != sizeofIPv6Mtuinfo { + return nil, 0, errNotImplemented + } + mi := (*ipv6Mtuinfo)(unsafe.Pointer(&b[0])) + if mi.Addr.Scope_id == 0 || runtime.GOOS == "aix" { + // AIX kernel might return a wrong address. + return nil, int(mi.Mtu), nil + } + ifi, err := net.InterfaceByIndex(int(mi.Addr.Scope_id)) + if err != nil { + return nil, 0, err + } + return ifi, int(mi.Mtu), nil +} + +func (so *sockOpt) setGroup(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + switch so.typ { + case ssoTypeIPMreq: + return so.setIPMreq(c, ifi, grp) + case ssoTypeGroupReq: + return so.setGroupReq(c, ifi, grp) + default: + return errNotImplemented + } +} + +func (so *sockOpt) setSourceGroup(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error { + return so.setGroupSourceReq(c, ifi, grp, src) +} + +func (so *sockOpt) setBPF(c *socket.Conn, f []bpf.RawInstruction) error { + return so.setAttachFilter(c, f) +} diff --git a/vendor/golang.org/x/net/ipv6/sockopt_stub.go b/vendor/golang.org/x/net/ipv6/sockopt_stub.go new file mode 100644 index 000000000..32fd8664c --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sockopt_stub.go @@ -0,0 +1,47 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos + +package ipv6 + +import ( + "net" + + "golang.org/x/net/bpf" + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) getMulticastInterface(c *socket.Conn) (*net.Interface, error) { + return nil, errNotImplemented +} + +func (so *sockOpt) setMulticastInterface(c *socket.Conn, ifi *net.Interface) error { + return errNotImplemented +} + +func (so *sockOpt) getICMPFilter(c *socket.Conn) (*ICMPFilter, error) { + return nil, errNotImplemented +} + +func (so *sockOpt) setICMPFilter(c *socket.Conn, f *ICMPFilter) error { + return errNotImplemented +} + +func (so *sockOpt) getMTUInfo(c *socket.Conn) (*net.Interface, int, error) { + return nil, 0, errNotImplemented +} + +func (so *sockOpt) setGroup(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + return errNotImplemented +} + +func (so *sockOpt) setSourceGroup(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error { + return errNotImplemented +} + +func (so *sockOpt) setBPF(c *socket.Conn, f []bpf.RawInstruction) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv6/sys_aix.go b/vendor/golang.org/x/net/ipv6/sys_aix.go new file mode 100644 index 000000000..a47182afb --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_aix.go @@ -0,0 +1,80 @@ +// Copyright 2019 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Added for go1.11 compatibility +//go:build aix +// +build aix + +package ipv6 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass}, + ctlHopLimit: {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}, + ctlPacketInfo: {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}, + ctlNextHop: {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop}, + ctlPathMTU: {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU}, + } + + sockOpts = map[int]*sockOpt{ + ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}}, + ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}}, + ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}}, + ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}}, + ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}}, + ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}}, + ssoPathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}}, + ssoChecksum: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}}, + ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_JOIN_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_LEAVE_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq}, + } +) + +func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) { + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], ip) + sa.Scope_id = uint32(i) +} + +func (pi *inet6Pktinfo) setIfindex(i int) { + pi.Ifindex = int32(i) +} + +func (mreq *ipv6Mreq) setIfindex(i int) { + mreq.Interface = uint32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gr)) + 4)) + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 4)) + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) + sa = (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 132)) + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_asmreq.go b/vendor/golang.org/x/net/ipv6/sys_asmreq.go new file mode 100644 index 000000000..6ff9950d1 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_asmreq.go @@ -0,0 +1,25 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows +// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows + +package ipv6 + +import ( + "net" + "unsafe" + + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) setIPMreq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + var mreq ipv6Mreq + copy(mreq.Multiaddr[:], grp) + if ifi != nil { + mreq.setIfindex(ifi.Index) + } + b := (*[sizeofIPv6Mreq]byte)(unsafe.Pointer(&mreq))[:sizeofIPv6Mreq] + return so.Set(c, b) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_asmreq_stub.go b/vendor/golang.org/x/net/ipv6/sys_asmreq_stub.go new file mode 100644 index 000000000..485290cb8 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_asmreq_stub.go @@ -0,0 +1,18 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows + +package ipv6 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) setIPMreq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv6/sys_bpf.go b/vendor/golang.org/x/net/ipv6/sys_bpf.go new file mode 100644 index 000000000..b5661fb8f --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_bpf.go @@ -0,0 +1,25 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build linux +// +build linux + +package ipv6 + +import ( + "unsafe" + + "golang.org/x/net/bpf" + "golang.org/x/net/internal/socket" + "golang.org/x/sys/unix" +) + +func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error { + prog := unix.SockFprog{ + Len: uint16(len(f)), + Filter: (*unix.SockFilter)(unsafe.Pointer(&f[0])), + } + b := (*[unix.SizeofSockFprog]byte)(unsafe.Pointer(&prog))[:unix.SizeofSockFprog] + return so.Set(c, b) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_bpf_stub.go b/vendor/golang.org/x/net/ipv6/sys_bpf_stub.go new file mode 100644 index 000000000..cb0066187 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_bpf_stub.go @@ -0,0 +1,17 @@ +// Copyright 2017 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !linux +// +build !linux + +package ipv6 + +import ( + "golang.org/x/net/bpf" + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) setAttachFilter(c *socket.Conn, f []bpf.RawInstruction) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv6/sys_bsd.go b/vendor/golang.org/x/net/ipv6/sys_bsd.go new file mode 100644 index 000000000..bde41a6ce --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_bsd.go @@ -0,0 +1,60 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build dragonfly || netbsd || openbsd +// +build dragonfly netbsd openbsd + +package ipv6 + +import ( + "net" + "syscall" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass}, + ctlHopLimit: {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}, + ctlPacketInfo: {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}, + ctlNextHop: {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop}, + ctlPathMTU: {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU}, + } + + sockOpts = map[int]*sockOpt{ + ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}}, + ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}}, + ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}}, + ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}}, + ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}}, + ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}}, + ssoPathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}}, + ssoChecksum: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}}, + ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_JOIN_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_LEAVE_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq}, + } +) + +func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) { + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], ip) + sa.Scope_id = uint32(i) +} + +func (pi *inet6Pktinfo) setIfindex(i int) { + pi.Ifindex = uint32(i) +} + +func (mreq *ipv6Mreq) setIfindex(i int) { + mreq.Interface = uint32(i) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_darwin.go b/vendor/golang.org/x/net/ipv6/sys_darwin.go new file mode 100644 index 000000000..b80ec8064 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_darwin.go @@ -0,0 +1,80 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass}, + ctlHopLimit: {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}, + ctlPacketInfo: {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}, + ctlNextHop: {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop}, + ctlPathMTU: {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU}, + } + + sockOpts = map[int]*sockOpt{ + ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}}, + ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}}, + ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}}, + ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}}, + ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}}, + ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}}, + ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}}, + ssoPathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}}, + ssoChecksum: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}}, + ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + } +) + +func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) { + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], ip) + sa.Scope_id = uint32(i) +} + +func (pi *inet6Pktinfo) setIfindex(i int) { + pi.Ifindex = uint32(i) +} + +func (mreq *ipv6Mreq) setIfindex(i int) { + mreq.Interface = uint32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gr)) + 4)) + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 4)) + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) + sa = (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 132)) + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_freebsd.go b/vendor/golang.org/x/net/ipv6/sys_freebsd.go new file mode 100644 index 000000000..6282cf977 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_freebsd.go @@ -0,0 +1,94 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + "runtime" + "strings" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass}, + ctlHopLimit: {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}, + ctlPacketInfo: {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}, + ctlNextHop: {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop}, + ctlPathMTU: {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU}, + } + + sockOpts = map[int]sockOpt{ + ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}}, + ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}}, + ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}}, + ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}}, + ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}}, + ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}}, + ssoPathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}}, + ssoChecksum: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}}, + ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + } +) + +func init() { + if runtime.GOOS == "freebsd" && runtime.GOARCH == "386" { + archs, _ := syscall.Sysctl("kern.supported_archs") + for _, s := range strings.Fields(archs) { + if s == "amd64" { + compatFreeBSD32 = true + break + } + } + } +} + +func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) { + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], ip) + sa.Scope_id = uint32(i) +} + +func (pi *inet6Pktinfo) setIfindex(i int) { + pi.Ifindex = uint32(i) +} + +func (mreq *ipv6Mreq) setIfindex(i int) { + mreq.Interface = uint32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(&gr.Group)) + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(&gsr.Group)) + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) + sa = (*sockaddrInet6)(unsafe.Pointer(&gsr.Source)) + sa.Len = sizeofSockaddrInet6 + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_linux.go b/vendor/golang.org/x/net/ipv6/sys_linux.go new file mode 100644 index 000000000..82e212100 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_linux.go @@ -0,0 +1,76 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass}, + ctlHopLimit: {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}, + ctlPacketInfo: {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}, + ctlPathMTU: {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU}, + } + + sockOpts = map[int]*sockOpt{ + ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}}, + ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}}, + ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}}, + ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}}, + ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}}, + ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}}, + ssoPathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}}, + ssoChecksum: {Option: socket.Option{Level: iana.ProtocolReserved, Name: unix.IPV6_CHECKSUM, Len: 4}}, + ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMPV6_FILTER, Len: sizeofICMPv6Filter}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoAttachFilter: {Option: socket.Option{Level: unix.SOL_SOCKET, Name: unix.SO_ATTACH_FILTER, Len: unix.SizeofSockFprog}}, + } +) + +func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) { + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], ip) + sa.Scope_id = uint32(i) +} + +func (pi *inet6Pktinfo) setIfindex(i int) { + pi.Ifindex = int32(i) +} + +func (mreq *ipv6Mreq) setIfindex(i int) { + mreq.Ifindex = int32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(&gr.Group)) + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(&gsr.Group)) + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) + sa = (*sockaddrInet6)(unsafe.Pointer(&gsr.Source)) + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_solaris.go b/vendor/golang.org/x/net/ipv6/sys_solaris.go new file mode 100644 index 000000000..1fc30add4 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_solaris.go @@ -0,0 +1,76 @@ +// Copyright 2016 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlTrafficClass: {unix.IPV6_TCLASS, 4, marshalTrafficClass, parseTrafficClass}, + ctlHopLimit: {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}, + ctlPacketInfo: {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}, + ctlNextHop: {unix.IPV6_NEXTHOP, sizeofSockaddrInet6, marshalNextHop, parseNextHop}, + ctlPathMTU: {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU}, + } + + sockOpts = map[int]*sockOpt{ + ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}}, + ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}}, + ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}}, + ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}}, + ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}}, + ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}}, + ssoPathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_PATHMTU, Len: sizeofIPv6Mtuinfo}}, + ssoChecksum: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}}, + ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + } +) + +func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) { + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], ip) + sa.Scope_id = uint32(i) +} + +func (pi *inet6Pktinfo) setIfindex(i int) { + pi.Ifindex = uint32(i) +} + +func (mreq *ipv6Mreq) setIfindex(i int) { + mreq.Interface = uint32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gr)) + 4)) + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 4)) + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], grp) + sa = (*sockaddrInet6)(unsafe.Pointer(uintptr(unsafe.Pointer(gsr)) + 260)) + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_ssmreq.go b/vendor/golang.org/x/net/ipv6/sys_ssmreq.go new file mode 100644 index 000000000..023488a49 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_ssmreq.go @@ -0,0 +1,55 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build aix || darwin || freebsd || linux || solaris || zos +// +build aix darwin freebsd linux solaris zos + +package ipv6 + +import ( + "net" + "unsafe" + + "golang.org/x/net/internal/socket" +) + +var compatFreeBSD32 bool // 386 emulation on amd64 + +func (so *sockOpt) setGroupReq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + var gr groupReq + if ifi != nil { + gr.Interface = uint32(ifi.Index) + } + gr.setGroup(grp) + var b []byte + if compatFreeBSD32 { + var d [sizeofGroupReq + 4]byte + s := (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr)) + copy(d[:4], s[:4]) + copy(d[8:], s[4:]) + b = d[:] + } else { + b = (*[sizeofGroupReq]byte)(unsafe.Pointer(&gr))[:sizeofGroupReq] + } + return so.Set(c, b) +} + +func (so *sockOpt) setGroupSourceReq(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error { + var gsr groupSourceReq + if ifi != nil { + gsr.Interface = uint32(ifi.Index) + } + gsr.setSourceGroup(grp, src) + var b []byte + if compatFreeBSD32 { + var d [sizeofGroupSourceReq + 4]byte + s := (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr)) + copy(d[:4], s[:4]) + copy(d[8:], s[4:]) + b = d[:] + } else { + b = (*[sizeofGroupSourceReq]byte)(unsafe.Pointer(&gsr))[:sizeofGroupSourceReq] + } + return so.Set(c, b) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_ssmreq_stub.go b/vendor/golang.org/x/net/ipv6/sys_ssmreq_stub.go new file mode 100644 index 000000000..acdf2e5cf --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_ssmreq_stub.go @@ -0,0 +1,22 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !freebsd && !linux && !solaris && !zos +// +build !aix,!darwin,!freebsd,!linux,!solaris,!zos + +package ipv6 + +import ( + "net" + + "golang.org/x/net/internal/socket" +) + +func (so *sockOpt) setGroupReq(c *socket.Conn, ifi *net.Interface, grp net.IP) error { + return errNotImplemented +} + +func (so *sockOpt) setGroupSourceReq(c *socket.Conn, ifi *net.Interface, grp, src net.IP) error { + return errNotImplemented +} diff --git a/vendor/golang.org/x/net/ipv6/sys_stub.go b/vendor/golang.org/x/net/ipv6/sys_stub.go new file mode 100644 index 000000000..5807bba39 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_stub.go @@ -0,0 +1,14 @@ +// Copyright 2014 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +//go:build !aix && !darwin && !dragonfly && !freebsd && !linux && !netbsd && !openbsd && !solaris && !windows && !zos +// +build !aix,!darwin,!dragonfly,!freebsd,!linux,!netbsd,!openbsd,!solaris,!windows,!zos + +package ipv6 + +var ( + ctlOpts = [ctlMax]ctlOpt{} + + sockOpts = map[int]*sockOpt{} +) diff --git a/vendor/golang.org/x/net/ipv6/sys_windows.go b/vendor/golang.org/x/net/ipv6/sys_windows.go new file mode 100644 index 000000000..fda8a2994 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_windows.go @@ -0,0 +1,68 @@ +// Copyright 2013 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + "syscall" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/windows" +) + +const ( + sizeofSockaddrInet6 = 0x1c + + sizeofIPv6Mreq = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofICMPv6Filter = 0 +) + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type icmpv6Filter struct { + // TODO(mikio): implement this +} + +var ( + ctlOpts = [ctlMax]ctlOpt{} + + sockOpts = map[int]*sockOpt{ + ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_UNICAST_HOPS, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_MULTICAST_IF, Len: 4}}, + ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_MULTICAST_HOPS, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_MULTICAST_LOOP, Len: 4}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_JOIN_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: windows.IPV6_LEAVE_GROUP, Len: sizeofIPv6Mreq}, typ: ssoTypeIPMreq}, + } +) + +func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) { + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], ip) + sa.Scope_id = uint32(i) +} + +func (mreq *ipv6Mreq) setIfindex(i int) { + mreq.Interface = uint32(i) +} diff --git a/vendor/golang.org/x/net/ipv6/sys_zos.go b/vendor/golang.org/x/net/ipv6/sys_zos.go new file mode 100644 index 000000000..31adc8665 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/sys_zos.go @@ -0,0 +1,72 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package ipv6 + +import ( + "net" + "syscall" + "unsafe" + + "golang.org/x/net/internal/iana" + "golang.org/x/net/internal/socket" + + "golang.org/x/sys/unix" +) + +var ( + ctlOpts = [ctlMax]ctlOpt{ + ctlHopLimit: {unix.IPV6_HOPLIMIT, 4, marshalHopLimit, parseHopLimit}, + ctlPacketInfo: {unix.IPV6_PKTINFO, sizeofInet6Pktinfo, marshalPacketInfo, parsePacketInfo}, + ctlPathMTU: {unix.IPV6_PATHMTU, sizeofIPv6Mtuinfo, marshalPathMTU, parsePathMTU}, + } + + sockOpts = map[int]*sockOpt{ + ssoTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_TCLASS, Len: 4}}, + ssoHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_UNICAST_HOPS, Len: 4}}, + ssoMulticastInterface: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_IF, Len: 4}}, + ssoMulticastHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_HOPS, Len: 4}}, + ssoMulticastLoopback: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_MULTICAST_LOOP, Len: 4}}, + ssoReceiveTrafficClass: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVTCLASS, Len: 4}}, + ssoReceiveHopLimit: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVHOPLIMIT, Len: 4}}, + ssoReceivePacketInfo: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPKTINFO, Len: 4}}, + ssoReceivePathMTU: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_RECVPATHMTU, Len: 4}}, + ssoChecksum: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.IPV6_CHECKSUM, Len: 4}}, + ssoICMPFilter: {Option: socket.Option{Level: iana.ProtocolIPv6ICMP, Name: unix.ICMP6_FILTER, Len: sizeofICMPv6Filter}}, + ssoJoinGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoLeaveGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_GROUP, Len: sizeofGroupReq}, typ: ssoTypeGroupReq}, + ssoJoinSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_JOIN_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoLeaveSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_LEAVE_SOURCE_GROUP, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoBlockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_BLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + ssoUnblockSourceGroup: {Option: socket.Option{Level: iana.ProtocolIPv6, Name: unix.MCAST_UNBLOCK_SOURCE, Len: sizeofGroupSourceReq}, typ: ssoTypeGroupSourceReq}, + } +) + +func (sa *sockaddrInet6) setSockaddr(ip net.IP, i int) { + sa.Family = syscall.AF_INET6 + copy(sa.Addr[:], ip) + sa.Scope_id = uint32(i) +} + +func (pi *inet6Pktinfo) setIfindex(i int) { + pi.Ifindex = uint32(i) +} + +func (gr *groupReq) setGroup(grp net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(&gr.Group)) + sa.Family = syscall.AF_INET6 + sa.Len = sizeofSockaddrInet6 + copy(sa.Addr[:], grp) +} + +func (gsr *groupSourceReq) setSourceGroup(grp, src net.IP) { + sa := (*sockaddrInet6)(unsafe.Pointer(&gsr.Group)) + sa.Family = syscall.AF_INET6 + sa.Len = sizeofSockaddrInet6 + copy(sa.Addr[:], grp) + sa = (*sockaddrInet6)(unsafe.Pointer(&gsr.Source)) + sa.Family = syscall.AF_INET6 + sa.Len = sizeofSockaddrInet6 + copy(sa.Addr[:], src) +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_aix_ppc64.go b/vendor/golang.org/x/net/ipv6/zsys_aix_ppc64.go new file mode 100644 index 000000000..f604b0f3b --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_aix_ppc64.go @@ -0,0 +1,69 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_aix.go + +// Added for go1.11 compatibility +//go:build aix +// +build aix + +package ipv6 + +const ( + sizeofSockaddrStorage = 0x508 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x510 + sizeofGroupSourceReq = 0xa18 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrStorage struct { + X__ss_len uint8 + Family uint8 + X__ss_pad1 [6]uint8 + X__ss_align int64 + X__ss_pad2 [1265]uint8 + Pad_cgo_0 [7]byte +} + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type icmpv6Filter struct { + Filt [8]uint32 +} + +type groupReq struct { + Interface uint32 + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group sockaddrStorage + Source sockaddrStorage +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_darwin.go b/vendor/golang.org/x/net/ipv6/zsys_darwin.go new file mode 100644 index 000000000..dd6f7b28e --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_darwin.go @@ -0,0 +1,64 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_darwin.go + +package ipv6 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]int8 + X__ss_align int64 + X__ss_pad2 [112]int8 +} + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type icmpv6Filter struct { + Filt [8]uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [128]byte +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [128]byte + Pad_cgo_1 [128]byte +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_dragonfly.go b/vendor/golang.org/x/net/ipv6/zsys_dragonfly.go new file mode 100644 index 000000000..6b45a94fe --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_dragonfly.go @@ -0,0 +1,42 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_dragonfly.go + +package ipv6 + +const ( + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + + sizeofIPv6Mreq = 0x14 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type icmpv6Filter struct { + Filt [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_freebsd_386.go b/vendor/golang.org/x/net/ipv6/zsys_freebsd_386.go new file mode 100644 index 000000000..8da55925f --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_freebsd_386.go @@ -0,0 +1,64 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package ipv6 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]int8 + X__ss_align int64 + X__ss_pad2 [112]int8 +} + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type groupReq struct { + Interface uint32 + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group sockaddrStorage + Source sockaddrStorage +} + +type icmpv6Filter struct { + Filt [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_freebsd_amd64.go b/vendor/golang.org/x/net/ipv6/zsys_freebsd_amd64.go new file mode 100644 index 000000000..72a1a65a2 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_freebsd_amd64.go @@ -0,0 +1,66 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package ipv6 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]int8 + X__ss_align int64 + X__ss_pad2 [112]int8 +} + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group sockaddrStorage + Source sockaddrStorage +} + +type icmpv6Filter struct { + Filt [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm.go b/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm.go new file mode 100644 index 000000000..72a1a65a2 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm.go @@ -0,0 +1,66 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package ipv6 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]int8 + X__ss_align int64 + X__ss_pad2 [112]int8 +} + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group sockaddrStorage + Source sockaddrStorage +} + +type icmpv6Filter struct { + Filt [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm64.go b/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm64.go new file mode 100644 index 000000000..5b39eb8df --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_freebsd_arm64.go @@ -0,0 +1,64 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_freebsd.go + +package ipv6 + +const ( + sizeofSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrStorage struct { + Len uint8 + Family uint8 + X__ss_pad1 [6]uint8 + X__ss_align int64 + X__ss_pad2 [112]uint8 +} + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type groupReq struct { + Interface uint32 + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group sockaddrStorage + Source sockaddrStorage +} + +type icmpv6Filter struct { + Filt [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_386.go b/vendor/golang.org/x/net/ipv6/zsys_linux_386.go new file mode 100644 index 000000000..ad71871b7 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_386.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_amd64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_amd64.go new file mode 100644 index 000000000..2514ab9a4 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_amd64.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_arm.go b/vendor/golang.org/x/net/ipv6/zsys_linux_arm.go new file mode 100644 index 000000000..ad71871b7 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_arm.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_arm64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_arm64.go new file mode 100644 index 000000000..2514ab9a4 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_arm64.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_loong64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_loong64.go new file mode 100644 index 000000000..598fbfa06 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_loong64.go @@ -0,0 +1,77 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +//go:build loong64 +// +build loong64 + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_mips.go b/vendor/golang.org/x/net/ipv6/zsys_linux_mips.go new file mode 100644 index 000000000..ad71871b7 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_mips.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_mips64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_mips64.go new file mode 100644 index 000000000..2514ab9a4 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_mips64.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_mips64le.go b/vendor/golang.org/x/net/ipv6/zsys_linux_mips64le.go new file mode 100644 index 000000000..2514ab9a4 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_mips64le.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_mipsle.go b/vendor/golang.org/x/net/ipv6/zsys_linux_mipsle.go new file mode 100644 index 000000000..ad71871b7 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_mipsle.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_ppc.go b/vendor/golang.org/x/net/ipv6/zsys_linux_ppc.go new file mode 100644 index 000000000..d06c2adec --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_ppc.go @@ -0,0 +1,72 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x84 + sizeofGroupSourceReq = 0x104 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]uint8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64.go new file mode 100644 index 000000000..2514ab9a4 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64le.go b/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64le.go new file mode 100644 index 000000000..2514ab9a4 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_ppc64le.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_riscv64.go b/vendor/golang.org/x/net/ipv6/zsys_linux_riscv64.go new file mode 100644 index 000000000..d4f78e405 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_riscv64.go @@ -0,0 +1,77 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +//go:build riscv64 +// +build riscv64 + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_linux_s390x.go b/vendor/golang.org/x/net/ipv6/zsys_linux_s390x.go new file mode 100644 index 000000000..2514ab9a4 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_linux_s390x.go @@ -0,0 +1,74 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_linux.go + +package ipv6 + +const ( + sizeofKernelSockaddrStorage = 0x80 + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + sizeofIPv6FlowlabelReq = 0x20 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x88 + sizeofGroupSourceReq = 0x108 + + sizeofICMPv6Filter = 0x20 +) + +type kernelSockaddrStorage struct { + Family uint16 + X__data [126]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex int32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6FlowlabelReq struct { + Dst [16]byte /* in6_addr */ + Label uint32 + Action uint8 + Share uint8 + Flags uint16 + Expires uint16 + Linger uint16 + X__flr_pad uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Ifindex int32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [4]byte + Group kernelSockaddrStorage + Source kernelSockaddrStorage +} + +type icmpv6Filter struct { + Data [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_netbsd.go b/vendor/golang.org/x/net/ipv6/zsys_netbsd.go new file mode 100644 index 000000000..f7335d5ae --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_netbsd.go @@ -0,0 +1,42 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_netbsd.go + +package ipv6 + +const ( + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + + sizeofIPv6Mreq = 0x14 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type icmpv6Filter struct { + Filt [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_openbsd.go b/vendor/golang.org/x/net/ipv6/zsys_openbsd.go new file mode 100644 index 000000000..6d1592812 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_openbsd.go @@ -0,0 +1,42 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_openbsd.go + +package ipv6 + +const ( + sizeofSockaddrInet6 = 0x1c + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x20 + + sizeofIPv6Mreq = 0x14 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type icmpv6Filter struct { + Filt [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_solaris.go b/vendor/golang.org/x/net/ipv6/zsys_solaris.go new file mode 100644 index 000000000..171619747 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_solaris.go @@ -0,0 +1,63 @@ +// Code generated by cmd/cgo -godefs; DO NOT EDIT. +// cgo -godefs defs_solaris.go + +package ipv6 + +const ( + sizeofSockaddrStorage = 0x100 + sizeofSockaddrInet6 = 0x20 + sizeofInet6Pktinfo = 0x14 + sizeofIPv6Mtuinfo = 0x24 + + sizeofIPv6Mreq = 0x14 + sizeofGroupReq = 0x104 + sizeofGroupSourceReq = 0x204 + + sizeofICMPv6Filter = 0x20 +) + +type sockaddrStorage struct { + Family uint16 + X_ss_pad1 [6]int8 + X_ss_align float64 + X_ss_pad2 [240]int8 +} + +type sockaddrInet6 struct { + Family uint16 + Port uint16 + Flowinfo uint32 + Addr [16]byte /* in6_addr */ + Scope_id uint32 + X__sin6_src_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte /* in6_addr */ + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type ipv6Mreq struct { + Multiaddr [16]byte /* in6_addr */ + Interface uint32 +} + +type groupReq struct { + Interface uint32 + Pad_cgo_0 [256]byte +} + +type groupSourceReq struct { + Interface uint32 + Pad_cgo_0 [256]byte + Pad_cgo_1 [256]byte +} + +type icmpv6Filter struct { + X__icmp6_filt [8]uint32 +} diff --git a/vendor/golang.org/x/net/ipv6/zsys_zos_s390x.go b/vendor/golang.org/x/net/ipv6/zsys_zos_s390x.go new file mode 100644 index 000000000..7c7564596 --- /dev/null +++ b/vendor/golang.org/x/net/ipv6/zsys_zos_s390x.go @@ -0,0 +1,62 @@ +// Copyright 2020 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +// Hand edited based on zerrors_zos_s390x.go +// TODO(Bill O'Farrell): auto-generate. + +package ipv6 + +const ( + sizeofSockaddrStorage = 128 + sizeofICMPv6Filter = 32 + sizeofInet6Pktinfo = 20 + sizeofIPv6Mtuinfo = 32 + sizeofSockaddrInet6 = 28 + sizeofGroupReq = 136 + sizeofGroupSourceReq = 264 +) + +type sockaddrStorage struct { + Len uint8 + Family byte + ss_pad1 [6]byte + ss_align int64 + ss_pad2 [112]byte +} + +type sockaddrInet6 struct { + Len uint8 + Family uint8 + Port uint16 + Flowinfo uint32 + Addr [16]byte + Scope_id uint32 +} + +type inet6Pktinfo struct { + Addr [16]byte + Ifindex uint32 +} + +type ipv6Mtuinfo struct { + Addr sockaddrInet6 + Mtu uint32 +} + +type groupReq struct { + Interface uint32 + reserved uint32 + Group sockaddrStorage +} + +type groupSourceReq struct { + Interface uint32 + reserved uint32 + Group sockaddrStorage + Source sockaddrStorage +} + +type icmpv6Filter struct { + Filt [8]uint32 +} diff --git a/vendor/modules.txt b/vendor/modules.txt index b8b794be8..c80c0d0b9 100644 --- a/vendor/modules.txt +++ b/vendor/modules.txt @@ -224,6 +224,9 @@ github.com/mattn/go-isatty ## explicit; go 1.16 github.com/microcosm-cc/bluemonday github.com/microcosm-cc/bluemonday/css +# github.com/miekg/dns v1.1.49 +## explicit; go 1.14 +github.com/miekg/dns # github.com/mitchellh/mapstructure v1.5.0 ## explicit; go 1.14 github.com/mitchellh/mapstructure @@ -568,12 +571,17 @@ golang.org/x/crypto/ssh/internal/bcrypt_pbkdf golang.org/x/mod/semver # golang.org/x/net v0.0.0-20220524220425-1d687d428aca ## explicit; go 1.17 +golang.org/x/net/bpf golang.org/x/net/context golang.org/x/net/context/ctxhttp golang.org/x/net/html golang.org/x/net/html/atom golang.org/x/net/http/httpguts golang.org/x/net/idna +golang.org/x/net/internal/iana +golang.org/x/net/internal/socket +golang.org/x/net/ipv4 +golang.org/x/net/ipv6 # golang.org/x/oauth2 v0.0.0-20220411215720-9780585627b5 ## explicit; go 1.11 golang.org/x/oauth2