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https://github.com/PabloMK7/citra.git
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file_sys/archive_ncch: Use AM to get title content path, add ExeFS support and support for additional content indexes
This commit is contained in:
shinyquagsire23
parent
a4af750759
commit
1ac5137655
3 changed files with 249 additions and 51 deletions
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@ -14,7 +14,7 @@
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#include "core/file_sys/errors.h"
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#include "core/file_sys/ivfc_archive.h"
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#include "core/file_sys/ncch_container.h"
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#include "core/file_sys/title_metadata.h"
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#include "core/hle/service/am/am.h"
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#include "core/hle/service/fs/archive.h"
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#include "core/loader/loader.h"
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@ -23,42 +23,72 @@
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namespace FileSys {
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static std::string GetNCCHContainerPath(const std::string& nand_directory) {
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return Common::StringFromFormat("%s%s/title/", nand_directory.c_str(), SYSTEM_ID);
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enum class NCCHFilePathType : u32 {
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RomFS = 0,
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Code = 1,
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ExeFS = 2,
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};
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struct NCCHArchivePath {
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u64_le tid;
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u32_le media_type;
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u32_le unknown;
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};
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static_assert(sizeof(NCCHArchivePath) == 0x10, "NCCHArchivePath has wrong size!");
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struct NCCHFilePath {
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u32_le open_type;
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u32_le content_index;
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u32_le filepath_type;
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std::array<char, 8> exefs_filepath;
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};
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static_assert(sizeof(NCCHFilePath) == 0x14, "NCCHFilePath has wrong size!");
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ResultVal<std::unique_ptr<FileBackend>> NCCHArchive::OpenFile(const Path& path,
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const Mode& mode) const {
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if (path.GetType() != LowPathType::Binary) {
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LOG_ERROR(Service_FS, "Path need to be Binary");
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return ERROR_INVALID_PATH;
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}
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static std::string GetNCCHPath(const std::string& mount_point, u32 high, u32 low) {
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u32 content_id = 0;
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// TODO(shinyquagsire23): Title database should be doing this path lookup
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std::string content_path =
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Common::StringFromFormat("%s%08x/%08x/content/", mount_point.c_str(), high, low);
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std::string tmd_path = content_path + "00000000.tmd";
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TitleMetadata tmd(tmd_path);
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if (tmd.Load() == Loader::ResultStatus::Success) {
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content_id = tmd.GetBootContentID();
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std::vector<u8> binary = path.AsBinary();
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if (binary.size() != sizeof(NCCHFilePath)) {
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LOG_ERROR(Service_FS, "Wrong path size %zu", binary.size());
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return ERROR_INVALID_PATH;
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}
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return Common::StringFromFormat("%s%08x.app", content_path.c_str(), content_id);
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}
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NCCHFilePath openfile_path;
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std::memcpy(&openfile_path, binary.data(), sizeof(NCCHFilePath));
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ArchiveFactory_NCCH::ArchiveFactory_NCCH(const std::string& nand_directory)
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: mount_point(GetNCCHContainerPath(nand_directory)) {}
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std::string file_path =
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Service::AM::GetTitleContentPath(media_type, title_id, openfile_path.content_index);
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auto ncch_container = NCCHContainer(file_path);
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ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_NCCH::Open(const Path& path) {
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auto vec = path.AsBinary();
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const u32* data = reinterpret_cast<u32*>(vec.data());
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u32 high = data[1];
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u32 low = data[0];
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std::string file_path = GetNCCHPath(mount_point, high, low);
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Loader::ResultStatus result;
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std::unique_ptr<FileBackend> file;
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// NCCH RomFS
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NCCHFilePathType filepath_type = static_cast<NCCHFilePathType>(openfile_path.filepath_type);
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if (filepath_type == NCCHFilePathType::RomFS) {
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std::shared_ptr<FileUtil::IOFile> romfs_file;
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u64 romfs_offset = 0;
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u64 romfs_size = 0;
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auto ncch_container = NCCHContainer(file_path);
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if (ncch_container.ReadRomFS(romfs_file, romfs_offset, romfs_size) !=
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Loader::ResultStatus::Success) {
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result = ncch_container.ReadRomFS(romfs_file, romfs_offset, romfs_size);
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file = std::make_unique<IVFCFile>(romfs_file, romfs_offset, romfs_size);
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} else if (filepath_type == NCCHFilePathType::Code ||
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filepath_type == NCCHFilePathType::ExeFS) {
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std::vector<u8> buffer;
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// Load NCCH .code or icon/banner/logo
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result = ncch_container.LoadSectionExeFS(openfile_path.exefs_filepath.data(), buffer);
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file = std::make_unique<NCCHFile>(buffer);
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} else {
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LOG_ERROR(Service_FS, "Unknown NCCH archive type %u!", openfile_path.filepath_type);
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result = Loader::ResultStatus::Error;
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}
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if (result != Loader::ResultStatus::Success) {
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// High Title ID of the archive: The category (https://3dbrew.org/wiki/Title_list).
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constexpr u32 shared_data_archive = 0x0004009B;
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constexpr u32 system_data_archive = 0x000400DB;
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@ -68,32 +98,149 @@ ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_NCCH::Open(const Path&
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constexpr u32 region_manifest = 0x00010402;
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constexpr u32 ng_word_list = 0x00010302;
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u32 high = static_cast<u32>(title_id >> 32);
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u32 low = static_cast<u32>(title_id & 0xFFFFFFFF);
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LOG_DEBUG(Service_FS, "Full Path: %s. Category: 0x%X. Path: 0x%X.", path.DebugStr().c_str(),
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high, low);
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std::string archive_name;
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if (high == shared_data_archive) {
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if (low == mii_data) {
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LOG_ERROR(Service_FS, "Failed to get a handle for shared data archive: Mii data. ");
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Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
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"Mii data");
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} else if (low == region_manifest) {
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LOG_ERROR(Service_FS,
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"Failed to get a handle for shared data archive: region manifest.");
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Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
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"Region manifest");
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}
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if (low == mii_data)
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archive_name = "Mii Data";
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else if (low == region_manifest)
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archive_name = "Region manifest";
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} else if (high == system_data_archive) {
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if (low == ng_word_list) {
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LOG_ERROR(Service_FS,
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"Failed to get a handle for system data archive: NG bad word list.");
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Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
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"NG bad word list");
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if (low == ng_word_list)
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archive_name = "NG bad word list";
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}
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if (!archive_name.empty()) {
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LOG_ERROR(Service_FS, "Failed to get a handle for shared data archive: %s. ",
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archive_name.c_str());
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Core::System::GetInstance().SetStatus(Core::System::ResultStatus::ErrorSystemFiles,
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archive_name.c_str());
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}
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return ERROR_NOT_FOUND;
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}
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auto archive = std::make_unique<IVFCArchive>(romfs_file, romfs_offset, romfs_size);
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return MakeResult<std::unique_ptr<FileBackend>>(std::move(file));
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}
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ResultCode NCCHArchive::DeleteFile(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a file from an NCCH archive (%s).",
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GetName().c_str());
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// TODO(Subv): Verify error code
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return ResultCode(ErrorDescription::NoData, ErrorModule::FS, ErrorSummary::Canceled,
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ErrorLevel::Status);
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}
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ResultCode NCCHArchive::RenameFile(const Path& src_path, const Path& dest_path) const {
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LOG_CRITICAL(Service_FS, "Attempted to rename a file within an NCCH archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode NCCHArchive::DeleteDirectory(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an NCCH archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode NCCHArchive::DeleteDirectoryRecursively(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an NCCH archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode NCCHArchive::CreateFile(const Path& path, u64 size) const {
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LOG_CRITICAL(Service_FS, "Attempted to create a file in an NCCH archive (%s).",
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GetName().c_str());
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// TODO: Verify error code
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return ResultCode(ErrorDescription::NotAuthorized, ErrorModule::FS, ErrorSummary::NotSupported,
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ErrorLevel::Permanent);
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}
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ResultCode NCCHArchive::CreateDirectory(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to create a directory in an NCCH archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultCode NCCHArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const {
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LOG_CRITICAL(Service_FS, "Attempted to rename a file within an NCCH archive (%s).",
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GetName().c_str());
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// TODO(wwylele): Use correct error code
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return ResultCode(-1);
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}
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ResultVal<std::unique_ptr<DirectoryBackend>> NCCHArchive::OpenDirectory(const Path& path) const {
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LOG_CRITICAL(Service_FS, "Attempted to open a directory within an NCCH archive (%s).",
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GetName().c_str());
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// TODO(shinyquagsire23): Use correct error code
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return ResultCode(-1);
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}
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u64 NCCHArchive::GetFreeBytes() const {
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LOG_WARNING(Service_FS, "Attempted to get the free space in an NCCH archive");
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return 0;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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ResultVal<size_t> NCCHFile::Read(const u64 offset, const size_t length, u8* buffer) const {
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LOG_TRACE(Service_FS, "called offset=%" PRIu64 ", length=%zu", offset, length);
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size_t length_left = static_cast<size_t>(data_size - offset);
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size_t read_length = static_cast<size_t>(std::min(length, length_left));
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size_t available_size = static_cast<size_t>(file_buffer.size() - offset);
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size_t copy_size = std::min(length, available_size);
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memcpy(buffer, file_buffer.data() + offset, copy_size);
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return MakeResult<size_t>(copy_size);
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}
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ResultVal<size_t> NCCHFile::Write(const u64 offset, const size_t length, const bool flush,
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const u8* buffer) const {
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LOG_ERROR(Service_FS, "Attempted to write to NCCH file");
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// TODO(shinyquagsire23): Find error code
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return MakeResult<size_t>(0);
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}
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u64 NCCHFile::GetSize() const {
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return file_buffer.size();
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}
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bool NCCHFile::SetSize(const u64 size) const {
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LOG_ERROR(Service_FS, "Attempted to set the size of an NCCH file");
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return false;
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}
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////////////////////////////////////////////////////////////////////////////////////////////////////
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ArchiveFactory_NCCH::ArchiveFactory_NCCH() {}
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ResultVal<std::unique_ptr<ArchiveBackend>> ArchiveFactory_NCCH::Open(const Path& path) {
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if (path.GetType() != LowPathType::Binary) {
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LOG_ERROR(Service_FS, "Path need to be Binary");
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return ERROR_INVALID_PATH;
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}
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std::vector<u8> binary = path.AsBinary();
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if (binary.size() != sizeof(NCCHArchivePath)) {
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LOG_ERROR(Service_FS, "Wrong path size %zu", binary.size());
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return ERROR_INVALID_PATH;
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}
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NCCHArchivePath open_path;
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std::memcpy(&open_path, binary.data(), sizeof(NCCHArchivePath));
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auto archive = std::make_unique<NCCHArchive>(
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open_path.tid, static_cast<Service::FS::MediaType>(open_path.media_type & 0xFF));
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return MakeResult<std::unique_ptr<ArchiveBackend>>(std::move(archive));
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}
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@ -7,17 +7,71 @@
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#include <memory>
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#include <string>
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#include "core/file_sys/archive_backend.h"
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#include "core/file_sys/file_backend.h"
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#include "core/hle/result.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace Service {
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namespace FS {
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enum class MediaType : u32;
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}
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}
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namespace FileSys {
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/// Archive backend for NCCH Archives (RomFS, ExeFS)
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class NCCHArchive : public ArchiveBackend {
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public:
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explicit NCCHArchive(u64 title_id, Service::FS::MediaType media_type)
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: title_id(title_id), media_type(media_type) {}
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std::string GetName() const override {
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return "NCCHArchive";
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}
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ResultVal<std::unique_ptr<FileBackend>> OpenFile(const Path& path,
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const Mode& mode) const override;
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ResultCode DeleteFile(const Path& path) const override;
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ResultCode RenameFile(const Path& src_path, const Path& dest_path) const override;
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ResultCode DeleteDirectory(const Path& path) const override;
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ResultCode DeleteDirectoryRecursively(const Path& path) const override;
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ResultCode CreateFile(const Path& path, u64 size) const override;
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ResultCode CreateDirectory(const Path& path) const override;
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ResultCode RenameDirectory(const Path& src_path, const Path& dest_path) const override;
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ResultVal<std::unique_ptr<DirectoryBackend>> OpenDirectory(const Path& path) const override;
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u64 GetFreeBytes() const override;
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protected:
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u64 title_id;
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Service::FS::MediaType media_type;
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};
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// File backend for NCCH files
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class NCCHFile : public FileBackend {
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public:
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NCCHFile(std::vector<u8> buffer) : file_buffer(buffer) {}
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ResultVal<size_t> Read(u64 offset, size_t length, u8* buffer) const override;
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ResultVal<size_t> Write(u64 offset, size_t length, bool flush, const u8* buffer) const override;
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u64 GetSize() const override;
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bool SetSize(u64 size) const override;
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bool Close() const override {
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return false;
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}
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void Flush() const override {}
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private:
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std::vector<u8> file_buffer;
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u64 data_offset;
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u64 data_size;
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};
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/// File system interface to the NCCH archive
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class ArchiveFactory_NCCH final : public ArchiveFactory {
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public:
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explicit ArchiveFactory_NCCH(const std::string& mount_point);
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explicit ArchiveFactory_NCCH();
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std::string GetName() const override {
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return "NCCH";
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@ -26,9 +80,6 @@ public:
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ResultVal<std::unique_ptr<ArchiveBackend>> Open(const Path& path) override;
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ResultCode Format(const Path& path, const FileSys::ArchiveFormatInfo& format_info) override;
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ResultVal<ArchiveFormatInfo> GetFormatInfo(const Path& path) const override;
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private:
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std::string mount_point;
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};
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} // namespace FileSys
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@ -559,7 +559,7 @@ void RegisterArchiveTypes() {
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sharedextsavedata_factory->GetMountPoint().c_str());
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// Create the NCCH archive, basically a small variation of the RomFS archive
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auto savedatacheck_factory = std::make_unique<FileSys::ArchiveFactory_NCCH>(nand_directory);
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auto savedatacheck_factory = std::make_unique<FileSys::ArchiveFactory_NCCH>();
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RegisterArchiveType(std::move(savedatacheck_factory), ArchiveIdCode::NCCH);
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auto systemsavedata_factory =
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