suyu/src/core/loader/xci.cpp

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// 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"
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#include "core/file_sys/content_archive.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/patch_manager.h"
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#include "core/file_sys/romfs.h"
#include "core/hle/kernel/process.h"
#include "core/loader/nca.h"
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#include "core/loader/xci.h"
namespace Loader {
AppLoader_XCI::AppLoader_XCI(FileSys::VirtualFile file)
: AppLoader(file), xci(std::make_unique<FileSys::XCI>(file)),
nca_loader(std::make_unique<AppLoader_NCA>(xci->GetProgramNCAFile())) {
if (xci->GetStatus() != ResultStatus::Success)
return;
const auto control_nca = xci->GetNCAByType(FileSys::NCAContentType::Control);
if (control_nca == nullptr || control_nca->GetStatus() != ResultStatus::Success)
return;
auto romfs_raw = control_nca->GetRomFS();
FileSys::PatchManager patch{xci->GetNCAByType(FileSys::NCAContentType::Program)->GetTitleId()};
romfs_raw = patch.PatchRomFS(romfs_raw, control_nca->GetBaseIVFCOffset(),
FileSys::ContentRecordType::Control);
const auto romfs = FileSys::ExtractRomFS(romfs_raw);
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);
}
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AppLoader_XCI::~AppLoader_XCI() = default;
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FileType AppLoader_XCI::IdentifyType(const FileSys::VirtualFile& file) {
FileSys::XCI xci(file);
if (xci.GetStatus() == ResultStatus::Success &&
xci.GetNCAByType(FileSys::NCAContentType::Program) != nullptr &&
AppLoader_NCA::IdentifyType(xci.GetNCAFileByType(FileSys::NCAContentType::Program)) ==
FileType::NCA) {
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return FileType::XCI;
}
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return FileType::Error;
}
ResultStatus AppLoader_XCI::Load(Kernel::SharedPtr<Kernel::Process>& process) {
if (is_loaded) {
return ResultStatus::ErrorAlreadyLoaded;
}
if (xci->GetStatus() != ResultStatus::Success)
return xci->GetStatus();
if (xci->GetProgramNCAStatus() != ResultStatus::Success)
return xci->GetProgramNCAStatus();
const auto nca = xci->GetProgramNCA();
if (nca == nullptr && !Core::Crypto::KeyManager::KeyFileExists(false))
return ResultStatus::ErrorMissingProductionKeyFile;
const auto result = nca_loader->Load(process);
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if (result != ResultStatus::Success)
return result;
is_loaded = true;
return ResultStatus::Success;
}
ResultStatus AppLoader_XCI::ReadRomFS(FileSys::VirtualFile& dir) {
return nca_loader->ReadRomFS(dir);
}
ResultStatus AppLoader_XCI::ReadProgramId(u64& out_program_id) {
return nca_loader->ReadProgramId(out_program_id);
}
ResultStatus AppLoader_XCI::ReadIcon(std::vector<u8>& buffer) {
if (icon_file == nullptr)
return ResultStatus::ErrorNoControl;
buffer = icon_file->ReadAllBytes();
return ResultStatus::Success;
}
ResultStatus AppLoader_XCI::ReadTitle(std::string& title) {
if (nacp_file == nullptr)
return ResultStatus::ErrorNoControl;
title = nacp_file->GetApplicationName();
return ResultStatus::Success;
}
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} // namespace Loader