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author | shinyquagsire23 <mtinc2@gmail.com> | 2017-10-01 18:32:43 +0200 |
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committer | shinyquagsire23 <mtinc2@gmail.com> | 2017-10-01 18:53:45 +0200 |
commit | 8e10c9bb2e8690055ba07003ebd53a5215f82f8f (patch) | |
tree | 46148de876e830563d95940374bb34bb511e5f79 /src/core/file_sys/title_metadata.h | |
parent | file_sys/ncch_container: add RomFS, ExeFS override to allow for backward compatibility with existing .romfs system archive dumps (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | src/core/file_sys/title_metadata.h | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/core/file_sys/title_metadata.h b/src/core/file_sys/title_metadata.h new file mode 100644 index 000000000..1fc157bf3 --- /dev/null +++ b/src/core/file_sys/title_metadata.h @@ -0,0 +1,125 @@ +// Copyright 2017 Citra Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#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 |