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