diff options
| -rw-r--r-- | src/core/file_sys/registered_cache.cpp | 39 |
1 files changed, 23 insertions, 16 deletions
diff --git a/src/core/file_sys/registered_cache.cpp b/src/core/file_sys/registered_cache.cpp index 93a20ab94..afa87be9c 100644 --- a/src/core/file_sys/registered_cache.cpp +++ b/src/core/file_sys/registered_cache.cpp @@ -48,19 +48,22 @@ static bool FollowsTwoDigitDirFormat(std::string_view name) { static bool FollowsNcaIdFormat(std::string_view name) { static const std::regex nca_id_regex("[0-9A-F]{32}\\.nca", std::regex_constants::ECMAScript | std::regex_constants::icase); - return name.size() == 36 && std::regex_match(name.begin(), name.end(), nca_id_regex); + static const std::regex nca_id_cnmt_regex( + "[0-9A-F]{32}\\.cnmt.nca", std::regex_constants::ECMAScript | std::regex_constants::icase); + return (name.size() == 36 && std::regex_match(name.begin(), name.end(), nca_id_regex)) || + (name.size() == 41 && std::regex_match(name.begin(), name.end(), nca_id_cnmt_regex)); } static std::string GetRelativePathFromNcaID(const std::array<u8, 16>& nca_id, bool second_hex_upper, - bool within_two_digit) { - if (!within_two_digit) { - return fmt::format("/{}.nca", Common::HexToString(nca_id, second_hex_upper)); - } + bool within_two_digit, bool cnmt_suffix) { + if (!within_two_digit) + return fmt::format(cnmt_suffix ? "{}.cnmt.nca" : "/{}.nca", + Common::HexArrayToString(nca_id, second_hex_upper)); Core::Crypto::SHA256Hash hash{}; mbedtls_sha256(nca_id.data(), nca_id.size(), hash.data(), 0); - return fmt::format("/000000{:02X}/{}.nca", hash[0], - Common::HexToString(nca_id, second_hex_upper)); + return fmt::format(cnmt_suffix ? "/000000{:02X}/{}.cnmt.nca" : "/000000{:02X}/{}.nca", hash[0], + Common::HexArrayToString(nca_id, second_hex_upper)); } static std::string GetCNMTName(TitleType type, u64 title_id) { @@ -319,14 +322,18 @@ VirtualFile RegisteredCache::OpenFileOrDirectoryConcat(const VirtualDir& dir, VirtualFile RegisteredCache::GetFileAtID(NcaID id) const { VirtualFile file; - // Try all four modes of file storage: - // (bit 1 = uppercase/lower, bit 0 = within a two-digit dir) - // 00: /000000**/{:032X}.nca - // 01: /{:032X}.nca - // 10: /000000**/{:032x}.nca - // 11: /{:032x}.nca - for (u8 i = 0; i < 4; ++i) { - const auto path = GetRelativePathFromNcaID(id, (i & 0b10) == 0, (i & 0b01) == 0); + // Try all five relevant modes of file storage: + // (bit 2 = uppercase/lower, bit 1 = within a two-digit dir, bit 0 = .cnmt suffix) + // 000: /000000**/{:032X}.nca + // 010: /{:032X}.nca + // 100: /000000**/{:032x}.nca + // 110: /{:032x}.nca + // 111: /{:032x}.cnmt.nca + for (u8 i = 0; i < 8; ++i) { + if ((i % 2) == 1 && i != 7) + continue; + const auto path = + GetRelativePathFromNcaID(id, (i & 0b100) == 0, (i & 0b010) == 0, (i & 0b001) == 0b001); file = OpenFileOrDirectoryConcat(dir, path); if (file != nullptr) return file; @@ -622,7 +629,7 @@ InstallResult RegisteredCache::RawInstallNCA(const NCA& nca, const VfsCopyFuncti memcpy(id.data(), hash.data(), 16); } - std::string path = GetRelativePathFromNcaID(id, false, true); + std::string path = GetRelativePathFromNcaID(id, false, true, false); if (GetFileAtID(id) != nullptr && !overwrite_if_exists) { LOG_WARNING(Loader, "Attempting to overwrite existing NCA. Skipping..."); |