2016-11-28 23:52:11 +01:00
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// Copyright 2016 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <tuple>
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2017-12-09 20:12:04 +01:00
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#include <utility>
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2016-11-28 23:52:11 +01:00
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#include "core/file_sys/archive_other_savedata.h"
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#include "core/file_sys/errors.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/service/fs/archive.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace FileSys {
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// TODO(wwylele): The storage info in exheader should be checked before accessing these archives
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using Service::FS::MediaType;
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namespace {
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template <typename T>
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ResultVal<std::tuple<MediaType, u64>> ParsePath(const Path& path, T program_id_reader) {
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2017-12-12 23:41:36 +01:00
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if (path.GetType() != LowPathType::Binary) {
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2016-11-28 23:52:11 +01:00
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LOG_ERROR(Service_FS, "Wrong path type %d", static_cast<int>(path.GetType()));
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return ERROR_INVALID_PATH;
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}
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std::vector<u8> vec_data = path.AsBinary();
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if (vec_data.size() != 12) {
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LOG_ERROR(Service_FS, "Wrong path length %zu", vec_data.size());
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return ERROR_INVALID_PATH;
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}
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const u32* data = reinterpret_cast<const u32*>(vec_data.data());
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auto media_type = static_cast<MediaType>(data[0]);
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if (media_type != MediaType::SDMC && media_type != MediaType::GameCard) {
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LOG_ERROR(Service_FS, "Unsupported media type %u", static_cast<u32>(media_type));
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// Note: this is strange, but the error code was verified with a real 3DS
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return ERROR_UNSUPPORTED_OPEN_FLAGS;
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}
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return MakeResult<std::tuple<MediaType, u64>>(media_type, program_id_reader(data));
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}
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ResultVal<std::tuple<MediaType, u64>> ParsePathPermitted(const Path& path) {
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return ParsePath(path,
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[](const u32* data) -> u64 { return (data[1] << 8) | 0x0004000000000000ULL; });
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}
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ResultVal<std::tuple<MediaType, u64>> ParsePathGeneral(const Path& path) {
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return ParsePath(
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path, [](const u32* data) -> u64 { return data[1] | (static_cast<u64>(data[2]) << 32); });
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}
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} // namespace
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ArchiveFactory_OtherSaveDataPermitted::ArchiveFactory_OtherSaveDataPermitted(
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std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata)
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2017-12-09 20:12:04 +01:00
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: sd_savedata_source(std::move(sd_savedata)) {}
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2016-11-28 23:52:11 +01:00
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ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_OtherSaveDataPermitted::Open(
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const Path& path) {
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MediaType media_type;
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u64 program_id;
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CASCADE_RESULT(std::tie(media_type, program_id), ParsePathPermitted(path));
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if (media_type == MediaType::GameCard) {
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LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
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return ERROR_GAMECARD_NOT_INSERTED;
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}
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return sd_savedata_source->Open(program_id);
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}
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ResultCode ArchiveFactory_OtherSaveDataPermitted::Format(
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const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
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LOG_ERROR(Service_FS, "Attempted to format a OtherSaveDataPermitted archive.");
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return ERROR_INVALID_PATH;
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}
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ResultVal<ArchiveFormatInfo> ArchiveFactory_OtherSaveDataPermitted::GetFormatInfo(
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const Path& path) const {
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MediaType media_type;
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u64 program_id;
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CASCADE_RESULT(std::tie(media_type, program_id), ParsePathPermitted(path));
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if (media_type == MediaType::GameCard) {
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LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
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return ERROR_GAMECARD_NOT_INSERTED;
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}
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return sd_savedata_source->GetFormatInfo(program_id);
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}
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ArchiveFactory_OtherSaveDataGeneral::ArchiveFactory_OtherSaveDataGeneral(
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std::shared_ptr<ArchiveSource_SDSaveData> sd_savedata)
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: sd_savedata_source(std::move(sd_savedata)) {}
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2016-11-28 23:52:11 +01:00
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ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_OtherSaveDataGeneral::Open(
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const Path& path) {
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MediaType media_type;
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u64 program_id;
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CASCADE_RESULT(std::tie(media_type, program_id), ParsePathGeneral(path));
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if (media_type == MediaType::GameCard) {
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LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
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return ERROR_GAMECARD_NOT_INSERTED;
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}
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return sd_savedata_source->Open(program_id);
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}
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ResultCode ArchiveFactory_OtherSaveDataGeneral::Format(
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const Path& path, const FileSys::ArchiveFormatInfo& format_info) {
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MediaType media_type;
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u64 program_id;
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CASCADE_RESULT(std::tie(media_type, program_id), ParsePathGeneral(path));
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if (media_type == MediaType::GameCard) {
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LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
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return ERROR_GAMECARD_NOT_INSERTED;
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}
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return sd_savedata_source->Format(program_id, format_info);
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}
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ResultVal<ArchiveFormatInfo> ArchiveFactory_OtherSaveDataGeneral::GetFormatInfo(
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const Path& path) const {
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MediaType media_type;
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u64 program_id;
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CASCADE_RESULT(std::tie(media_type, program_id), ParsePathGeneral(path));
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if (media_type == MediaType::GameCard) {
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LOG_WARNING(Service_FS, "(stubbed) Unimplemented media type GameCard");
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return ERROR_GAMECARD_NOT_INSERTED;
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}
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return sd_savedata_source->GetFormatInfo(program_id);
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}
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} // namespace FileSys
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