yuzu/src/core/loader/xci.cpp
Lioncash 73e1e929a2 XCI: Add function for checking the existence of the program NCA
The only reason the getter existed was to check whether or not the
program NCA was null. Instead, we can just provide a function to query
for the existence of it, instead of exposing it entirely.
2018-10-16 11:36:58 -04:00

124 lines
3.9 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/patch_manager.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/hle/service/filesystem/filesystem.h"
#include "core/loader/nca.h"
#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;
std::tie(nacp_file, icon_file) =
FileSys::PatchManager(xci->GetProgramTitleID()).ParseControlNCA(*control_nca);
}
AppLoader_XCI::~AppLoader_XCI() = default;
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) {
return FileType::XCI;
}
return FileType::Error;
}
ResultStatus AppLoader_XCI::Load(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();
if (!xci->HasProgramNCA() && !Core::Crypto::KeyManager::KeyFileExists(false))
return ResultStatus::ErrorMissingProductionKeyFile;
const auto result = nca_loader->Load(process);
if (result != ResultStatus::Success)
return result;
FileSys::VirtualFile update_raw;
if (ReadUpdateRaw(update_raw) == ResultStatus::Success && update_raw != nullptr)
Service::FileSystem::SetPackedUpdate(std::move(update_raw));
is_loaded = true;
return ResultStatus::Success;
}
ResultStatus AppLoader_XCI::ReadRomFS(FileSys::VirtualFile& file) {
return nca_loader->ReadRomFS(file);
}
u64 AppLoader_XCI::ReadRomFSIVFCOffset() const {
return nca_loader->ReadRomFSIVFCOffset();
}
ResultStatus AppLoader_XCI::ReadUpdateRaw(FileSys::VirtualFile& file) {
u64 program_id{};
nca_loader->ReadProgramId(program_id);
if (program_id == 0)
return ResultStatus::ErrorXCIMissingProgramNCA;
const auto read = xci->GetSecurePartitionNSP()->GetNCAFile(
FileSys::GetUpdateTitleID(program_id), FileSys::ContentRecordType::Program);
if (read == nullptr)
return ResultStatus::ErrorNoPackedUpdate;
const auto nca_test = std::make_shared<FileSys::NCA>(read);
if (nca_test->GetStatus() != ResultStatus::ErrorMissingBKTRBaseRomFS)
return nca_test->GetStatus();
file = read;
return ResultStatus::Success;
}
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;
}
} // namespace Loader