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file_sys: Remove disk_archive, savedata_archive, and title_metadata.

master
bunnei 2018-01-19 22:18:01 +07:00
parent 7988f02489
commit 1c06c918af
7 changed files with 0 additions and 835 deletions
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6
src/core/CMakeLists.txt
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@ -9,18 +9,12 @@ add_library(core STATIC
file_sys/archive_backend.cpp
file_sys/archive_backend.h
file_sys/directory_backend.h
file_sys/disk_archive.cpp
file_sys/disk_archive.h
file_sys/errors.h
file_sys/file_backend.h
file_sys/path_parser.cpp
file_sys/path_parser.h
file_sys/romfs_archive.cpp
file_sys/romfs_archive.h
file_sys/savedata_archive.cpp
file_sys/savedata_archive.h
file_sys/title_metadata.cpp
file_sys/title_metadata.h
frontend/emu_window.cpp
frontend/emu_window.h
frontend/framebuffer_layout.cpp

99
src/core/file_sys/disk_archive.cpp
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include <cstdio>
#include <memory>
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "core/file_sys/disk_archive.h"
#include "core/file_sys/errors.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
ResultVal<size_t> DiskFile::Read(const u64 offset, const size_t length, u8* buffer) const {
if (!mode.read_flag)
return ERROR_INVALID_OPEN_FLAGS;
file->Seek(offset, SEEK_SET);
return MakeResult<size_t>(file->ReadBytes(buffer, length));
}
ResultVal<size_t> DiskFile::Write(const u64 offset, const size_t length, const bool flush,
const u8* buffer) const {
if (!mode.write_flag)
return ERROR_INVALID_OPEN_FLAGS;
file->Seek(offset, SEEK_SET);
size_t written = file->WriteBytes(buffer, length);
if (flush)
file->Flush();
return MakeResult<size_t>(written);
}
u64 DiskFile::GetSize() const {
return file->GetSize();
}
bool DiskFile::SetSize(const u64 size) const {
file->Resize(size);
file->Flush();
return true;
}
bool DiskFile::Close() const {
return file->Close();
}
////////////////////////////////////////////////////////////////////////////////////////////////////
DiskDirectory::DiskDirectory(const std::string& path) : directory() {
unsigned size = FileUtil::ScanDirectoryTree(path, directory);
directory.size = size;
directory.isDirectory = true;
children_iterator = directory.children.begin();
}
u32 DiskDirectory::Read(const u32 count, Entry* entries) {
u32 entries_read = 0;
while (entries_read < count && children_iterator != directory.children.cend()) {
const FileUtil::FSTEntry& file = *children_iterator;
const std::string& filename = file.virtualName;
Entry& entry = entries[entries_read];
LOG_TRACE(Service_FS, "File %s: size=%llu dir=%d", filename.c_str(), file.size,
file.isDirectory);
// TODO(Link Mauve): use a proper conversion to UTF-16.
for (size_t j = 0; j < FILENAME_LENGTH; ++j) {
entry.filename[j] = filename[j];
if (!filename[j])
break;
}
FileUtil::SplitFilename83(filename, entry.short_name, entry.extension);
entry.is_directory = file.isDirectory;
entry.is_hidden = (filename[0] == '.');
entry.is_read_only = 0;
entry.file_size = file.size;
// We emulate a SD card where the archive bit has never been cleared, as it would be on
// most user SD cards.
// Some homebrews (blargSNES for instance) are known to mistakenly use the archive bit as a
// file bit.
entry.is_archive = !file.isDirectory;
++entries_read;
++children_iterator;
}
return entries_read;
}
} // namespace FileSys

68
src/core/file_sys/disk_archive.h
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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <cstddef>
#include <memory>
#include <string>
#include <vector>
#include "common/common_types.h"
#include "common/file_util.h"
#include "core/file_sys/archive_backend.h"
#include "core/file_sys/directory_backend.h"
#include "core/file_sys/file_backend.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
class DiskFile : public FileBackend {
public:
DiskFile(FileUtil::IOFile&& file_, const Mode& mode_)
: file(new FileUtil::IOFile(std::move(file_))) {
mode.hex = mode_.hex;
}
ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
u64 GetSize() const override;
bool SetSize(u64 size) const override;
bool Close() const override;
void Flush() const override {
file->Flush();
}
protected:
Mode mode;
std::unique_ptr<FileUtil::IOFile> file;
};
class DiskDirectory : public DirectoryBackend {
public:
DiskDirectory(const std::string& path);
~DiskDirectory() override {
Close();
}
u32 Read(const u32 count, Entry* entries) override;
bool Close() const override {
return true;
}
protected:
u32 total_entries_in_directory;
FileUtil::FSTEntry directory;
// We need to remember the last entry we returned, so a subsequent call to Read will continue
// from the next one. This iterator will always point to the next unread entry.
std::vector<FileUtil::FSTEntry>::iterator children_iterator;
};
} // namespace FileSys

330
src/core/file_sys/savedata_archive.cpp
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/file_util.h"
#include "core/file_sys/disk_archive.h"
#include "core/file_sys/errors.h"
#include "core/file_sys/path_parser.h"
#include "core/file_sys/savedata_archive.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
ResultVal<std::unique_ptr<FileBackend>> SaveDataArchive::OpenFile(const Path& path,
const Mode& mode) const {
LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex);
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
if (mode.hex == 0) {
LOG_ERROR(Service_FS, "Empty open mode");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
if (mode.create_flag && !mode.write_flag) {
LOG_ERROR(Service_FS, "Create flag set but write flag not set");
return ERROR_UNSUPPORTED_OPEN_FLAGS;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_FILE_NOT_FOUND;
case PathParser::PathNotFound:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_PATH_NOT_FOUND;
case PathParser::FileInPath:
case PathParser::DirectoryFound:
LOG_ERROR(Service_FS, "Unexpected file or directory in %s", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
case PathParser::NotFound:
if (!mode.create_flag) {
LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.",
full_path.c_str());
return ERROR_FILE_NOT_FOUND;
} else {
// Create the file
FileUtil::CreateEmptyFile(full_path);
}
break;
case PathParser::FileFound:
break; // Expected 'success' case
}
FileUtil::IOFile file(full_path, mode.write_flag ? "r+b" : "rb");
if (!file.IsOpen()) {
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error opening %s", full_path.c_str());
return ERROR_FILE_NOT_FOUND;
}
auto disk_file = std::make_unique<DiskFile>(std::move(file), mode);
return MakeResult<std::unique_ptr<FileBackend>>(std::move(disk_file));
}
ResultCode SaveDataArchive::DeleteFile(const Path& path) const {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_FILE_NOT_FOUND;
case PathParser::PathNotFound:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_PATH_NOT_FOUND;
case PathParser::FileInPath:
case PathParser::DirectoryFound:
case PathParser::NotFound:
LOG_ERROR(Service_FS, "File not found %s", full_path.c_str());
return ERROR_FILE_NOT_FOUND;
case PathParser::FileFound:
break; // Expected 'success' case
}
if (FileUtil::Delete(full_path)) {
return RESULT_SUCCESS;
}
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error deleting %s", full_path.c_str());
return ERROR_FILE_NOT_FOUND;
}
ResultCode SaveDataArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
const PathParser path_parser_src(src_path);
// TODO: Verify these return codes with HW
if (!path_parser_src.IsValid()) {
LOG_ERROR(Service_FS, "Invalid src path %s", src_path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const PathParser path_parser_dest(dest_path);
if (!path_parser_dest.IsValid()) {
LOG_ERROR(Service_FS, "Invalid dest path %s", dest_path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto src_path_full = path_parser_src.BuildHostPath(mount_point);
const auto dest_path_full = path_parser_dest.BuildHostPath(mount_point);
if (FileUtil::Rename(src_path_full, dest_path_full)) {
return RESULT_SUCCESS;
}
// TODO(bunnei): Use correct error code
return ResultCode(-1);
}
template <typename T>
static ResultCode DeleteDirectoryHelper(const Path& path, const std::string& mount_point,
T deleter) {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
if (path_parser.IsRootDirectory())
return ERROR_DIRECTORY_NOT_EMPTY;
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_PATH_NOT_FOUND;
case PathParser::PathNotFound:
case PathParser::NotFound:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_PATH_NOT_FOUND;
case PathParser::FileInPath:
case PathParser::FileFound:
LOG_ERROR(Service_FS, "Unexpected file or directory %s", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
case PathParser::DirectoryFound:
break; // Expected 'success' case
}
if (deleter(full_path)) {
return RESULT_SUCCESS;
}
LOG_ERROR(Service_FS, "Directory not empty %s", full_path.c_str());
return ERROR_DIRECTORY_NOT_EMPTY;
}
ResultCode SaveDataArchive::DeleteDirectory(const Path& path) const {
return DeleteDirectoryHelper(path, mount_point, FileUtil::DeleteDir);
}
ResultCode SaveDataArchive::DeleteDirectoryRecursively(const Path& path) const {
return DeleteDirectoryHelper(
path, mount_point, [](const std::string& p) { return FileUtil::DeleteDirRecursively(p); });
}
ResultCode SaveDataArchive::CreateFile(const FileSys::Path& path, u64 size) const {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_FILE_NOT_FOUND;
case PathParser::PathNotFound:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_PATH_NOT_FOUND;
case PathParser::FileInPath:
LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
case PathParser::DirectoryFound:
case PathParser::FileFound:
LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
return ERROR_FILE_ALREADY_EXISTS;
case PathParser::NotFound:
break; // Expected 'success' case
}
if (size == 0) {
FileUtil::CreateEmptyFile(full_path);
return RESULT_SUCCESS;
}
FileUtil::IOFile file(full_path, "wb");
// Creates a sparse file (or a normal file on filesystems without the concept of sparse files)
// We do this by seeking to the right size, then writing a single null byte.
if (file.Seek(size - 1, SEEK_SET) && file.WriteBytes("", 1) == 1) {
return RESULT_SUCCESS;
}
LOG_ERROR(Service_FS, "Too large file");
// TODO(bunnei): Use correct error code
return ResultCode(-1);
}
ResultCode SaveDataArchive::CreateDirectory(const Path& path) const {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_FILE_NOT_FOUND;
case PathParser::PathNotFound:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_PATH_NOT_FOUND;
case PathParser::FileInPath:
LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
case PathParser::DirectoryFound:
case PathParser::FileFound:
LOG_ERROR(Service_FS, "%s already exists", full_path.c_str());
return ERROR_DIRECTORY_ALREADY_EXISTS;
case PathParser::NotFound:
break; // Expected 'success' case
}
if (FileUtil::CreateDir(mount_point + path.AsString())) {
return RESULT_SUCCESS;
}
LOG_CRITICAL(Service_FS, "(unreachable) Unknown error creating %s", mount_point.c_str());
// TODO(bunnei): Use correct error code
return ResultCode(-1);
}
ResultCode SaveDataArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
const PathParser path_parser_src(src_path);
// TODO: Verify these return codes with HW
if (!path_parser_src.IsValid()) {
LOG_ERROR(Service_FS, "Invalid src path %s", src_path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const PathParser path_parser_dest(dest_path);
if (!path_parser_dest.IsValid()) {
LOG_ERROR(Service_FS, "Invalid dest path %s", dest_path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto src_path_full = path_parser_src.BuildHostPath(mount_point);
const auto dest_path_full = path_parser_dest.BuildHostPath(mount_point);
if (FileUtil::Rename(src_path_full, dest_path_full)) {
return RESULT_SUCCESS;
}
// TODO(bunnei): Use correct error code
return ResultCode(-1);
}
ResultVal<std::unique_ptr<DirectoryBackend>> SaveDataArchive::OpenDirectory(
const Path& path) const {
const PathParser path_parser(path);
if (!path_parser.IsValid()) {
LOG_ERROR(Service_FS, "Invalid path %s", path.DebugStr().c_str());
return ERROR_INVALID_PATH;
}
const auto full_path = path_parser.BuildHostPath(mount_point);
switch (path_parser.GetHostStatus(mount_point)) {
case PathParser::InvalidMountPoint:
LOG_CRITICAL(Service_FS, "(unreachable) Invalid mount point %s", mount_point.c_str());
return ERROR_FILE_NOT_FOUND;
case PathParser::PathNotFound:
case PathParser::NotFound:
LOG_ERROR(Service_FS, "Path not found %s", full_path.c_str());
return ERROR_PATH_NOT_FOUND;
case PathParser::FileInPath:
case PathParser::FileFound:
LOG_ERROR(Service_FS, "Unexpected file in path %s", full_path.c_str());
return ERROR_UNEXPECTED_FILE_OR_DIRECTORY;
case PathParser::DirectoryFound:
break; // Expected 'success' case
}
auto directory = std::make_unique<DiskDirectory>(full_path);
return MakeResult<std::unique_ptr<DirectoryBackend>>(std::move(directory));
}
u64 SaveDataArchive::GetFreeSpaceSize() const {
// TODO: Stubbed to return 1GiB
return 1024 * 1024 * 1024;
}
} // namespace FileSys

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src/core/file_sys/savedata_archive.h
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// Copyright 2016 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <string>
#include "core/file_sys/archive_backend.h"
#include "core/file_sys/directory_backend.h"
#include "core/file_sys/file_backend.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
/// Archive backend for general save data archive type (SaveData and SystemSaveData)
class SaveDataArchive : public ArchiveBackend {
public:
explicit SaveDataArchive(const std::string& mount_point_) : mount_point(mount_point_) {}
std::string GetName() const override {
return "SaveDataArchive: " + mount_point;
}
ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path,
const Mode& mode) const override;
ResultCode DeleteFile(const Path& path) const override;
ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
ResultCode DeleteDirectory(const Path& path) const override;
ResultCode DeleteDirectoryRecursively(const Path& path) const override;
ResultCode CreateFile(const Path& path, u64 size) const override;
ResultCode CreateDirectory(const Path& path) const override;
ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
u64 GetFreeSpaceSize() const override;
protected:
std::string mount_point;
};
} // namespace FileSys

163
src/core/file_sys/title_metadata.cpp
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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cinttypes>
#include "common/alignment.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "core/file_sys/title_metadata.h"
#include "core/loader/loader.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
static u32 GetSignatureSize(u32 signature_type) {
switch (signature_type) {
case Rsa4096Sha1:
case Rsa4096Sha256:
return 0x200;
case Rsa2048Sha1:
case Rsa2048Sha256:
return 0x100;
case EllipticSha1:
case EcdsaSha256:
return 0x3C;
}
}
Loader::ResultStatus TitleMetadata::Load() {
FileUtil::IOFile file(filepath, "rb");
if (!file.IsOpen())
return Loader::ResultStatus::Error;
if (!file.ReadBytes(&signature_type, sizeof(u32_be)))
return Loader::ResultStatus::Error;
// Signature lengths are variable, and the body follows the signature
u32 signature_size = GetSignatureSize(signature_type);
tmd_signature.resize(signature_size);
if (!file.ReadBytes(&tmd_signature[0], signature_size))
return Loader::ResultStatus::Error;
// The TMD body start position is rounded to the nearest 0x40 after the signature
size_t body_start = Common::AlignUp(signature_size + sizeof(u32), 0x40);
file.Seek(body_start, SEEK_SET);
// Read our TMD body, then load the amount of ContentChunks specified
if (file.ReadBytes(&tmd_body, sizeof(TitleMetadata::Body)) != sizeof(TitleMetadata::Body))
return Loader::ResultStatus::Error;
for (u16 i = 0; i < tmd_body.content_count; i++) {
ContentChunk chunk;
if (file.ReadBytes(&chunk, sizeof(ContentChunk)) == sizeof(ContentChunk)) {
tmd_chunks.push_back(chunk);
} else {
LOG_ERROR(Service_FS, "Malformed TMD %s, failed to load content chunk index %u!",
filepath.c_str(), i);
return Loader::ResultStatus::ErrorInvalidFormat;
}
}
return Loader::ResultStatus::Success;
}
Loader::ResultStatus TitleMetadata::Save() {
UNIMPLEMENTED();
return Loader::ResultStatus::Success;
}
u64 TitleMetadata::GetTitleID() const {
return tmd_body.title_id;
}
u32 TitleMetadata::GetTitleType() const {
return tmd_body.title_type;
}
u16 TitleMetadata::GetTitleVersion() const {
return tmd_body.title_version;
}
u64 TitleMetadata::GetSystemVersion() const {
return tmd_body.system_version;
}
size_t TitleMetadata::GetContentCount() const {
return tmd_chunks.size();
}
u32 TitleMetadata::GetBootContentID() const {
return tmd_chunks[TMDContentIndex::Main].id;
}
u32 TitleMetadata::GetManualContentID() const {
return tmd_chunks[TMDContentIndex::Manual].id;
}
u32 TitleMetadata::GetDLPContentID() const {
return tmd_chunks[TMDContentIndex::DLP].id;
}
void TitleMetadata::SetTitleID(u64 title_id) {
tmd_body.title_id = title_id;
}
void TitleMetadata::SetTitleType(u32 type) {
tmd_body.title_type = type;
}
void TitleMetadata::SetTitleVersion(u16 version) {
tmd_body.title_version = version;
}
void TitleMetadata::SetSystemVersion(u64 version) {
tmd_body.system_version = version;
}
void TitleMetadata::AddContentChunk(const ContentChunk& chunk) {
tmd_chunks.push_back(chunk);
}
void TitleMetadata::Print() const {
LOG_DEBUG(Service_FS, "%s - %u chunks", filepath.c_str(),
static_cast<u32>(tmd_body.content_count));
// Content info describes ranges of content chunks
LOG_DEBUG(Service_FS, "Content info:");
for (size_t i = 0; i < tmd_body.contentinfo.size(); i++) {
if (tmd_body.contentinfo[i].command_count == 0)
break;
LOG_DEBUG(Service_FS, " Index %04X, Command Count %04X",
static_cast<u32>(tmd_body.contentinfo[i].index),
static_cast<u32>(tmd_body.contentinfo[i].command_count));
}
// For each content info, print their content chunk range
for (size_t i = 0; i < tmd_body.contentinfo.size(); i++) {
u16 index = static_cast<u16>(tmd_body.contentinfo[i].index);
u16 count = static_cast<u16>(tmd_body.contentinfo[i].command_count);
if (count == 0)
continue;
LOG_DEBUG(Service_FS, "Content chunks for content info index %zu:", i);
for (u16 j = index; j < index + count; j++) {
// Don't attempt to print content we don't have
if (j > tmd_body.content_count)
break;
const ContentChunk& chunk = tmd_chunks[j];
LOG_DEBUG(Service_FS, " ID %08X, Index %04X, Type %04x, Size %016" PRIX64,
static_cast<u32>(chunk.id), static_cast<u32>(chunk.index),
static_cast<u32>(chunk.type), static_cast<u64>(chunk.size));
}
}
}
} // namespace FileSys

126
src/core/file_sys/title_metadata.h
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// Copyright 2017 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <array>
#include <string>
#include <vector>
#include "common/common_types.h"
#include "common/swap.h"
namespace Loader {
enum class ResultStatus;
}
////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace
namespace FileSys {
enum TMDSignatureType : u32 {
Rsa4096Sha1 = 0x10000,
Rsa2048Sha1 = 0x10001,
EllipticSha1 = 0x10002,
Rsa4096Sha256 = 0x10003,
Rsa2048Sha256 = 0x10004,
EcdsaSha256 = 0x10005
};
enum TMDContentTypeFlag : u16 {
Encrypted = 1 << 1,
Disc = 1 << 2,
CFM = 1 << 3,
Optional = 1 << 14,
Shared = 1 << 15
};
/**
* Helper which implements an interface to read and write Title Metadata (TMD) files.
* If a file path is provided and the file exists, it can be parsed and used, otherwise
* it must be created. The TMD file can then be interpreted, modified and/or saved.
*/
class TitleMetadata {
public:
struct ContentChunk {
u32_be id;
u16_be index;
u16_be type;
u64_be size;
std::array<u8, 0x20> hash;
};
static_assert(sizeof(ContentChunk) == 0x30, "TMD ContentChunk structure size is wrong");
struct ContentInfo {
u16_be index;
u16_be command_count;
std::array<u8, 0x20> hash;
};
static_assert(sizeof(ContentInfo) == 0x24, "TMD ContentInfo structure size is wrong");
#pragma pack(push, 1)
struct Body {
std::array<u8, 0x40> issuer;
u8 version;
u8 ca_crl_version;
u8 signer_crl_version;
u8 reserved;
u64_be system_version;
u64_be title_id;
u32_be title_type;
u16_be group_id;
u32_be savedata_size;
u32_be srl_private_savedata_size;
std::array<u8, 4> reserved_2;
u8 srl_flag;
std::array<u8, 0x31> reserved_3;
u32_be access_rights;
u16_be title_version;
u16_be content_count;
u16_be boot_content;
std::array<u8, 2> reserved_4;
std::array<u8, 0x20> contentinfo_hash;
std::array<ContentInfo, 64> contentinfo;
};
static_assert(sizeof(Body) == 0x9C4, "TMD body structure size is wrong");
#pragma pack(pop)
explicit TitleMetadata(std::string& path) : filepath(std::move(path)) {}
Loader::ResultStatus Load();
Loader::ResultStatus Save();
u64 GetTitleID() const;
u32 GetTitleType() const;
u16 GetTitleVersion() const;
u64 GetSystemVersion() const;
size_t GetContentCount() const;
u32 GetBootContentID() const;
u32 GetManualContentID() const;
u32 GetDLPContentID() const;
void SetTitleID(u64 title_id);
void SetTitleType(u32 type);
void SetTitleVersion(u16 version);
void SetSystemVersion(u64 version);
void AddContentChunk(const ContentChunk& chunk);
void Print() const;
private:
enum TMDContentIndex { Main = 0, Manual = 1, DLP = 2 };
Body tmd_body;
u32_be signature_type;
std::vector<u8> tmd_signature;
std::vector<ContentChunk> tmd_chunks;
std::string filepath;
};
} // namespace FileSys