yuzu/src/core/loader/nsp.cpp
2018-09-04 14:27:33 -04:00

129 lines
4.3 KiB
C++

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <vector>
#include "common/common_types.h"
#include "core/file_sys/card_image.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/romfs.h"
#include "core/file_sys/submission_package.h"
#include "core/hle/kernel/process.h"
#include "core/loader/deconstructed_rom_directory.h"
#include "core/loader/nca.h"
#include "core/loader/nsp.h"
namespace Loader {
AppLoader_NSP::AppLoader_NSP(FileSys::VirtualFile file)
: AppLoader(file), nsp(std::make_unique<FileSys::NSP>(file)),
title_id(nsp->GetProgramTitleID()) {
if (nsp->GetStatus() != ResultStatus::Success)
return;
if (nsp->IsExtractedType())
return;
const auto control_nca =
nsp->GetNCA(nsp->GetFirstTitleID(), FileSys::ContentRecordType::Control);
if (control_nca == nullptr || control_nca->GetStatus() != ResultStatus::Success)
return;
const auto romfs = FileSys::ExtractRomFS(control_nca->GetRomFS());
if (romfs == nullptr)
return;
for (const auto& language : FileSys::LANGUAGE_NAMES) {
icon_file = romfs->GetFile("icon_" + std::string(language) + ".dat");
if (icon_file != nullptr)
break;
}
const auto nacp_raw = romfs->GetFile("control.nacp");
if (nacp_raw == nullptr)
return;
nacp_file = std::make_shared<FileSys::NACP>(nacp_raw);
}
AppLoader_NSP::~AppLoader_NSP() = default;
FileType AppLoader_NSP::IdentifyType(const FileSys::VirtualFile& file) {
FileSys::NSP nsp(file);
if (nsp.GetStatus() == ResultStatus::Success) {
// Extracted Type case
if (nsp.IsExtractedType() && nsp.GetExeFS() != nullptr &&
FileSys::IsDirectoryExeFS(nsp.GetExeFS()) && nsp.GetRomFS() != nullptr)
return FileType::NSP;
// Non-Ectracted Type case
if (!nsp.IsExtractedType() &&
nsp.GetNCA(nsp.GetFirstTitleID(), FileSys::ContentRecordType::Program) != nullptr &&
AppLoader_NCA::IdentifyType(nsp.GetNCAFile(
nsp.GetFirstTitleID(), FileSys::ContentRecordType::Program)) == FileType::NCA)
return FileType::NSP;
}
return FileType::Error;
}
ResultStatus AppLoader_NSP::Load(Kernel::SharedPtr<Kernel::Process>& process) {
if (is_loaded) {
return ResultStatus::ErrorAlreadyLoaded;
}
if (nsp->IsExtractedType()) {
secondary_loader = std::make_unique<AppLoader_DeconstructedRomDirectory>(nsp->GetExeFS());
} else {
if (title_id == 0)
return ResultStatus::ErrorNSPMissingProgramNCA;
secondary_loader = std::make_unique<AppLoader_NCA>(
nsp->GetNCAFile(title_id, FileSys::ContentRecordType::Program));
if (nsp->GetStatus() != ResultStatus::Success)
return nsp->GetStatus();
if (nsp->GetProgramStatus(title_id) != ResultStatus::Success)
return nsp->GetProgramStatus(title_id);
if (nsp->GetNCA(title_id, FileSys::ContentRecordType::Program) == nullptr) {
if (!Core::Crypto::KeyManager::KeyFileExists(false))
return ResultStatus::ErrorMissingProductionKeyFile;
return ResultStatus::ErrorNSPMissingProgramNCA;
}
}
const auto result = secondary_loader->Load(process);
if (result != ResultStatus::Success)
return result;
is_loaded = true;
return ResultStatus::Success;
}
ResultStatus AppLoader_NSP::ReadRomFS(FileSys::VirtualFile& dir) {
return secondary_loader->ReadRomFS(dir);
}
ResultStatus AppLoader_NSP::ReadProgramId(u64& out_program_id) {
if (title_id == 0)
return ResultStatus::ErrorNotInitialized;
out_program_id = title_id;
return ResultStatus::Success;
}
ResultStatus AppLoader_NSP::ReadIcon(std::vector<u8>& buffer) {
if (icon_file == nullptr)
return ResultStatus::ErrorNoControl;
buffer = icon_file->ReadAllBytes();
return ResultStatus::Success;
}
ResultStatus AppLoader_NSP::ReadTitle(std::string& title) {
if (nacp_file == nullptr)
return ResultStatus::ErrorNoControl;
title = nacp_file->GetApplicationName();
return ResultStatus::Success;
}
} // namespace Loader