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https://github.com/Lime3DS/Lime3DS.git
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service/am: Clean up and optimize CIA installation. (#6718)
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22c4eb86d7
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@ -181,6 +181,12 @@ std::array<u8, 16> TitleMetadata::GetContentCTRByIndex(std::size_t index) const
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return ctr;
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}
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bool TitleMetadata::HasEncryptedContent() const {
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return std::any_of(tmd_chunks.begin(), tmd_chunks.end(), [](auto& chunk) {
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return (static_cast<u16>(chunk.type) & FileSys::TMDContentTypeFlag::Encrypted) != 0;
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});
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}
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void TitleMetadata::SetTitleID(u64 title_id) {
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tmd_body.title_id = title_id;
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}
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@ -98,6 +98,7 @@ public:
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u16 GetContentTypeByIndex(std::size_t index) const;
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u64 GetContentSizeByIndex(std::size_t index) const;
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std::array<u8, 16> GetContentCTRByIndex(std::size_t index) const;
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bool HasEncryptedContent() const;
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void SetTitleID(u64 title_id);
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void SetTitleType(u32 type);
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@ -96,22 +96,38 @@ ResultVal<std::size_t> CIAFile::Read(u64 offset, std::size_t length, u8* buffer)
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}
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ResultCode CIAFile::WriteTicket() {
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container.LoadTicket(data, container.GetTicketOffset());
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auto load_result = container.LoadTicket(data, container.GetTicketOffset());
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if (load_result != Loader::ResultStatus::Success) {
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LOG_ERROR(Service_AM, "Could not read ticket from CIA.");
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// TODO: Correct result code.
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return {ErrCodes::InvalidCIAHeader, ErrorModule::AM, ErrorSummary::InvalidArgument,
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ErrorLevel::Permanent};
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}
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// TODO: Write out .tik files to nand?
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install_state = CIAInstallState::TicketLoaded;
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return RESULT_SUCCESS;
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}
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ResultCode CIAFile::WriteTitleMetadata() {
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container.LoadTitleMetadata(data, container.GetTitleMetadataOffset());
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auto load_result = container.LoadTitleMetadata(data, container.GetTitleMetadataOffset());
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if (load_result != Loader::ResultStatus::Success) {
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LOG_ERROR(Service_AM, "Could not read title metadata from CIA.");
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// TODO: Correct result code.
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return {ErrCodes::InvalidCIAHeader, ErrorModule::AM, ErrorSummary::InvalidArgument,
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ErrorLevel::Permanent};
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}
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FileSys::TitleMetadata tmd = container.GetTitleMetadata();
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tmd.Print();
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// If a TMD already exists for this app (ie 00000000.tmd), the incoming TMD
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// will be the same plus one, (ie 00000001.tmd), both will be kept until
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// the install is finalized and old contents can be discarded.
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if (FileUtil::Exists(GetTitleMetadataPath(media_type, tmd.GetTitleID())))
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if (FileUtil::Exists(GetTitleMetadataPath(media_type, tmd.GetTitleID()))) {
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is_update = true;
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}
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std::string tmd_path = GetTitleMetadataPath(media_type, tmd.GetTitleID(), is_update);
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@ -121,28 +137,49 @@ ResultCode CIAFile::WriteTitleMetadata() {
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FileUtil::CreateFullPath(tmd_folder);
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// Save TMD so that we can start getting new .app paths
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if (tmd.Save(tmd_path) != Loader::ResultStatus::Success)
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return FileSys::ERROR_INSUFFICIENT_SPACE;
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if (tmd.Save(tmd_path) != Loader::ResultStatus::Success) {
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LOG_ERROR(Service_AM, "Failed to install title metadata file from CIA.");
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// TODO: Correct result code.
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return FileSys::ERROR_FILE_NOT_FOUND;
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}
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// Create any other .app folders which may not exist yet
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std::string app_folder;
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Common::SplitPath(GetTitleContentPath(media_type, tmd.GetTitleID(),
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FileSys::TMDContentIndex::Main, is_update),
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&app_folder, nullptr, nullptr);
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auto main_content_path = GetTitleContentPath(media_type, tmd.GetTitleID(),
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FileSys::TMDContentIndex::Main, is_update);
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Common::SplitPath(main_content_path, &app_folder, nullptr, nullptr);
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FileUtil::CreateFullPath(app_folder);
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auto content_count = container.GetTitleMetadata().GetContentCount();
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content_written.resize(content_count);
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if (auto title_key = container.GetTicket().GetTitleKey()) {
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decryption_state->content.resize(content_count);
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for (std::size_t i = 0; i < content_count; ++i) {
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auto ctr = tmd.GetContentCTRByIndex(i);
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decryption_state->content[i].SetKeyWithIV(title_key->data(), title_key->size(),
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ctr.data());
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content_files.clear();
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for (std::size_t i = 0; i < content_count; i++) {
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auto path = GetTitleContentPath(media_type, tmd.GetTitleID(), i, is_update);
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auto& file = content_files.emplace_back(path, "wb");
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if (!file.IsOpen()) {
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LOG_ERROR(Service_AM, "Could not open output file '{}' for content {}.", path, i);
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// TODO: Correct error code.
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return FileSys::ERROR_FILE_NOT_FOUND;
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}
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}
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if (container.GetTitleMetadata().HasEncryptedContent()) {
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if (auto title_key = container.GetTicket().GetTitleKey()) {
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decryption_state->content.resize(content_count);
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for (std::size_t i = 0; i < content_count; ++i) {
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auto ctr = tmd.GetContentCTRByIndex(i);
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decryption_state->content[i].SetKeyWithIV(title_key->data(), title_key->size(),
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ctr.data());
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}
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} else {
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LOG_ERROR(Service_AM, "Could not read title key from ticket for encrypted CIA.");
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// TODO: Correct error code.
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return FileSys::ERROR_FILE_NOT_FOUND;
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}
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} else {
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LOG_ERROR(Service_AM, "Can't get title key from ticket");
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LOG_INFO(Service_AM,
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"Title has no encrypted content, skipping initializing decryption state.");
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}
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install_state = CIAInstallState::TMDLoaded;
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@ -155,7 +192,7 @@ ResultVal<std::size_t> CIAFile::WriteContentData(u64 offset, std::size_t length,
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// has been written since we might get a written buffer which contains multiple .app
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// contents or only part of a larger .app's contents.
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const u64 offset_max = offset + length;
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for (std::size_t i = 0; i < container.GetTitleMetadata().GetContentCount(); i++) {
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for (std::size_t i = 0; i < content_written.size(); i++) {
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if (content_written[i] < container.GetContentSize(i)) {
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// The size, minimum unwritten offset, and maximum unwritten offset of this content
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const u64 size = container.GetContentSize(i);
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@ -174,22 +211,12 @@ ResultVal<std::size_t> CIAFile::WriteContentData(u64 offset, std::size_t length,
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// Since the incoming TMD has already been written, we can use GetTitleContentPath
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// to get the content paths to write to.
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FileSys::TitleMetadata tmd = container.GetTitleMetadata();
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FileUtil::IOFile file(GetTitleContentPath(media_type, tmd.GetTitleID(), i, is_update),
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content_written[i] ? "ab" : "wb");
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if (!file.IsOpen()) {
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return FileSys::ERROR_INSUFFICIENT_SPACE;
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}
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auto& file = content_files[i];
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std::vector<u8> temp(buffer + (range_min - offset),
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buffer + (range_min - offset) + available_to_write);
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if ((tmd.GetContentTypeByIndex(i) & FileSys::TMDContentTypeFlag::Encrypted) != 0) {
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if (decryption_state->content.size() <= i) {
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// TODO: There is probably no correct error to return here. What error should be
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// returned?
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return FileSys::ERROR_INSUFFICIENT_SPACE;
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}
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decryption_state->content[i].ProcessData(temp.data(), temp.data(), temp.size());
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}
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@ -234,8 +261,9 @@ ResultVal<std::size_t> CIAFile::Write(u64 offset, std::size_t length, bool flush
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}
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// If we don't have a header yet, we can't pull offsets of other sections
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if (install_state == CIAInstallState::InstallStarted)
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if (install_state == CIAInstallState::InstallStarted) {
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return length;
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}
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// If we have been given data before (or including) .app content, pull it into
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// our buffer, but only pull *up to* the content offset, no further.
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@ -251,28 +279,30 @@ ResultVal<std::size_t> CIAFile::Write(u64 offset, std::size_t length, bool flush
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std::memcpy(data.data() + copy_offset, buffer + buf_offset, buf_copy_size);
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}
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// TODO(shinyquagsire23): Write out .tik files to nand?
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// The end of our TMD is at the beginning of Content data, so ensure we have that much
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// buffered before trying to parse.
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if (written >= container.GetContentOffset() && install_state != CIAInstallState::TMDLoaded) {
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auto result = WriteTicket();
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if (result.IsError())
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if (result.IsError()) {
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return result;
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}
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result = WriteTitleMetadata();
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if (result.IsError())
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if (result.IsError()) {
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return result;
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}
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}
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// Content data sizes can only be retrieved from TMD data
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if (install_state != CIAInstallState::TMDLoaded)
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if (install_state != CIAInstallState::TMDLoaded) {
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return length;
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}
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// From this point forward, data will no longer be buffered in data
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auto result = WriteContentData(offset, length, buffer);
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if (result.Failed())
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if (result.Failed()) {
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return result;
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}
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return length;
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}
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@ -286,11 +316,13 @@ bool CIAFile::SetSize(u64 size) const {
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}
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bool CIAFile::Close() const {
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bool complete = true;
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for (std::size_t i = 0; i < container.GetTitleMetadata().GetContentCount(); i++) {
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if (content_written[i] < container.GetContentSize(static_cast<u16>(i)))
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complete = false;
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}
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bool complete =
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install_state >= CIAInstallState::TMDLoaded &&
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content_written.size() == container.GetTitleMetadata().GetContentCount() &&
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std::all_of(content_written.begin(), content_written.end(),
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[this, i = 0](auto& bytes_written) mutable {
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return bytes_written >= container.GetContentSize(static_cast<u16>(i++));
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});
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// Install aborted
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if (!complete) {
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@ -314,16 +346,17 @@ bool CIAFile::Close() const {
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// For each content ID in the old TMD, check if there is a matching ID in the new
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// TMD. If a CIA contains (and wrote to) an identical ID, it should be kept while
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// IDs which only existed for the old TMD should be deleted.
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for (u16 old_index = 0; old_index < old_tmd.GetContentCount(); old_index++) {
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for (std::size_t old_index = 0; old_index < old_tmd.GetContentCount(); old_index++) {
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bool abort = false;
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for (u16 new_index = 0; new_index < new_tmd.GetContentCount(); new_index++) {
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for (std::size_t new_index = 0; new_index < new_tmd.GetContentCount(); new_index++) {
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if (old_tmd.GetContentIDByIndex(old_index) ==
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new_tmd.GetContentIDByIndex(new_index)) {
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abort = true;
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}
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}
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if (abort)
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if (abort) {
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break;
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}
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// If the file to delete is the current launched rom, signal the system to delete
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// the current rom instead of deleting it now, once all the handles to the file
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@ -331,8 +364,9 @@ bool CIAFile::Close() const {
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std::string to_delete =
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GetTitleContentPath(media_type, old_tmd.GetTitleID(), old_index);
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if (!(Core::System::GetInstance().IsPoweredOn() &&
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Core::System::GetInstance().SetSelfDelete(to_delete)))
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Core::System::GetInstance().SetSelfDelete(to_delete))) {
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FileUtil::Delete(to_delete);
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}
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}
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FileUtil::Delete(old_tmd_path);
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@ -357,29 +391,29 @@ InstallStatus InstallCIA(const std::string& path,
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Service::AM::GetTitleMediaType(container.GetTitleMetadata().GetTitleID()));
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bool title_key_available = container.GetTicket().GetTitleKey().has_value();
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for (std::size_t i = 0; i < container.GetTitleMetadata().GetContentCount(); i++) {
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if ((container.GetTitleMetadata().GetContentTypeByIndex(static_cast<u16>(i)) &
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FileSys::TMDContentTypeFlag::Encrypted) &&
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!title_key_available) {
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LOG_ERROR(Service_AM, "File {} is encrypted! Aborting...", path);
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return InstallStatus::ErrorEncrypted;
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}
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if (!title_key_available && container.GetTitleMetadata().HasEncryptedContent()) {
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LOG_ERROR(Service_AM, "File {} is encrypted and no title key is available! Aborting...",
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path);
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return InstallStatus::ErrorEncrypted;
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}
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FileUtil::IOFile file(path, "rb");
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if (!file.IsOpen())
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if (!file.IsOpen()) {
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LOG_ERROR(Service_AM, "Could not open CIA file '{}'.", path);
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return InstallStatus::ErrorFailedToOpenFile;
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}
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std::array<u8, 0x10000> buffer;
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auto file_size = file.GetSize();
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std::size_t total_bytes_read = 0;
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while (total_bytes_read != file.GetSize()) {
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while (total_bytes_read != file_size) {
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std::size_t bytes_read = file.ReadBytes(buffer.data(), buffer.size());
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auto result = installFile.Write(static_cast<u64>(total_bytes_read), bytes_read, true,
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static_cast<u8*>(buffer.data()));
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if (update_callback)
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update_callback(total_bytes_read, file.GetSize());
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if (update_callback) {
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update_callback(total_bytes_read, file_size);
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}
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if (result.Failed()) {
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LOG_ERROR(Service_AM, "CIA file installation aborted with error code {:08x}",
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result.Code().raw);
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@ -26,6 +26,10 @@ namespace Core {
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class System;
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}
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namespace FileUtil {
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class IOFile;
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}
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namespace Service::FS {
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enum class MediaType : u32;
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}
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@ -96,6 +100,7 @@ private:
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FileSys::CIAContainer container;
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std::vector<u8> data;
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std::vector<u64> content_written;
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std::vector<FileUtil::IOFile> content_files;
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Service::FS::MediaType media_type;
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class DecryptionState;
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