mirror of
https://github.com/jakcron/nstool
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[nx] Add ContentMetaBinary
This commit is contained in:
jakcron
parent
480a6225cc
commit
a02ba43292
5 changed files with 600 additions and 0 deletions
149
lib/libnx/include/nx/ContentMetaBinary.h
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149
lib/libnx/include/nx/ContentMetaBinary.h
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@ -0,0 +1,149 @@
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#pragma once
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#include <string>
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#include <fnd/MemoryBlob.h>
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#include <fnd/List.h>
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#include <nx/cmnt.h>
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namespace nx
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{
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class ContentMetaBinary :
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public fnd::ISerialiseableBinary
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{
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public:
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struct ContentInfo
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{
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crypto::sha::sSha256Hash hash;
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byte_t nca_id[cmnt::kContentIdLen];
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size_t size;
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cmnt::ContentType type;
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ContentInfo& operator=(const ContentInfo& other)
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{
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hash = other.hash;
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memcpy(nca_id, other.nca_id, cmnt::kContentIdLen);
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size = other.size;
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type = other.type;
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return *this;
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}
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bool operator==(const ContentInfo& other) const
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{
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return (hash == other.hash) \
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&& (memcmp(nca_id, other.nca_id, cmnt::kContentIdLen) == 0) \
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&& (size == other.size) \
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&& (type == other.type);
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}
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bool operator!=(const ContentInfo& other) const
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{
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return !operator==(other);
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}
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};
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struct ContentMetaInfo
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{
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uint64_t id;
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uint32_t version;
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cmnt::ContentMetaType type;
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byte_t attributes;
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ContentMetaInfo& operator=(const ContentMetaInfo& other)
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{
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id = other.id;
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version = other.version;
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type = other.type;
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attributes = other.attributes;
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return *this;
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}
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bool operator==(const ContentMetaInfo& other) const
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{
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return (id == other.id) \
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&& (version == other.version) \
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&& (type == other.type) \
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&& (attributes == other.attributes);
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}
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bool operator!=(const ContentMetaInfo& other) const
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{
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return !operator==(other);
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}
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};
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ContentMetaBinary();
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ContentMetaBinary(const ContentMetaBinary& other);
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ContentMetaBinary(const byte_t* bytes, size_t len);
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// to be used after export
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const byte_t* getBytes() const;
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size_t getSize() const;
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// export/import binary
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void exportBinary();
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void importBinary(const byte_t* bytes, size_t len);
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// variables
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void clear();
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uint64_t getTitleId() const;
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void setTitleId(uint64_t title_id);
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uint32_t getTitleVersion() const;
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void setTitleVersion(uint32_t version);
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cmnt::ContentMetaType getType() const;
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void setType(cmnt::ContentMetaType type);
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byte_t getAttributes() const;
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void setAttributes(byte_t attributes);
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uint32_t getRequiredSystemVersion() const;
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void setRequiredSystemVersion(uint32_t version);
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const fnd::List<nx::ContentMetaBinary::ContentInfo>& getContentInfo() const;
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void setContentInfo(const fnd::List<nx::ContentMetaBinary::ContentInfo>& info);
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const fnd::List<nx::ContentMetaBinary::ContentMetaInfo>& getContentMetaInfo() const;
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void setContentMetaInfo(const fnd::List<nx::ContentMetaBinary::ContentMetaInfo>& info);
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const fnd::MemoryBlob& getExtendedData() const;
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void setExtendedData(const fnd::MemoryBlob& data);
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const nx::sDigest& getDigest() const;
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void setDigest(const nx::sDigest& digest);
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private:
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const std::string kModuleName = "CONTENT_META_BINARY";
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// binary blob
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fnd::MemoryBlob mBinaryBlob;
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// variables
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uint64_t mTitleId;
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uint32_t mTitleVersion;
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cmnt::ContentMetaType mType;
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byte_t mAttributes;
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uint32_t mRequiredSystemVersion;
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fnd::MemoryBlob mExtendedHeader;
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fnd::List<nx::ContentMetaBinary::ContentInfo> mContentInfo;
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fnd::List<nx::ContentMetaBinary::ContentMetaInfo> mContentMetaInfo;
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fnd::MemoryBlob mExtendedData;
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nx::sDigest mDigest;
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inline size_t getExtendedHeaderOffset() const { return sizeof(sContentMetaHeader); }
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inline size_t getContentInfoOffset(size_t exhdrSize) const { return getExtendedHeaderOffset() + exhdrSize; }
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inline size_t getContentMetaInfoOffset(size_t exhdrSize, size_t contentInfoNum) const { return getContentInfoOffset(exhdrSize) + contentInfoNum * sizeof(sContentInfo); }
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inline size_t getExtendedDataOffset(size_t exhdrSize, size_t contentInfoNum, size_t contentMetaNum) const { return getContentMetaInfoOffset(exhdrSize, contentInfoNum) + contentMetaNum * sizeof(sContentMetaInfo); }
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inline size_t getDigestOffset(size_t exhdrSize, size_t contentInfoNum, size_t contentMetaNum, size_t exdataSize) const { return getExtendedDataOffset(exhdrSize, contentInfoNum, contentMetaNum) + exdataSize; }
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inline size_t getTotalSize(size_t exhdrSize, size_t contentInfoNum, size_t contentMetaNum, size_t exdataSize) const { return getDigestOffset(exhdrSize, contentInfoNum, contentMetaNum, exdataSize) + cmnt::kDigestLen; }
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bool validateExtendedHeaderSize(cmnt::ContentMetaType type, size_t exhdrSize);
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size_t getExtendedDataSize(cmnt::ContentMetaType type, const byte_t* data);
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void validateBinary(const byte_t* bytes, size_t len);
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bool isEqual(const ContentMetaBinary& other) const;
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void copyFrom(const ContentMetaBinary& other);
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};
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}
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139
lib/libnx/include/nx/cmnt.h
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139
lib/libnx/include/nx/cmnt.h
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@ -0,0 +1,139 @@
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#pragma once
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#include <string>
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#include <fnd/types.h>
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#include <crypto/aes.h>
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#include <crypto/sha.h>
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#include <fnd/ISerialiseableBinary.h>
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namespace nx
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{
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namespace cmnt
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{
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enum ContentType
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{
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TYPE_META = 0,
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TYPE_PROGRAM,
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TYPE_DATA,
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TYPE_CONTROL,
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TYPE_HTML_DOCUMENT,
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TYPE_LEGAL_INFORMATION,
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TYPE_DELTA_FRAGMENT
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};
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enum ContentMetaType
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{
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METATYPE_SYSTEM_PROGRAM = 1,
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METATYPE_SYSTEM_DATA,
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METATYPE_SYSTEM_UPDATE,
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METATYPE_BOOT_IMAGE_PACKAGE,
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METATYPE_BOOT_IMAGE_PACKAGE_SAFE,
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METATYPE_APPLICATION = 0x80,
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METATYPE_PATCH, // can have extended data
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METATYPE_ADD_ON_CONTENT,
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METATYPE_DELTA // can have extended data
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};
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enum UpdateType
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{
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UPDATETYPE_APPLY_AS_DELTA,
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UPDATETYPE_OVERWRITE,
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UPDATETYPE_CREATE
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};
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enum ContentMetaAttribute
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{
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ATTRIBUTE_NONE,
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ATTRIBUTE_INCLUDES_EX_FAT_DRIVER,
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ATTRIBUTE_REBOOTLESS
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};
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static const uint32_t kRequiredSystemVersion = 335544320;
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static const uint32_t kDefaultVersion = 335545344;
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static const size_t kContentIdLen = 0x10;
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static const size_t kDigestLen = 0x20;
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}
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#pragma pack(push,1)
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/*
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struct sContentMeta
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{
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sContentMetaHeader hdr;
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byte_t exhdr[]; // optional
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sContentInfo info[];
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sContentMetaInfo meta[];
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byte_t extdata[];
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byte_t digest[32]
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};
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*/
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struct sContentMetaHeader
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{
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le_uint64_t id;
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le_uint32_t version;
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byte_t type;
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byte_t reserved_0;
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le_uint16_t exhdr_size;
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le_uint16_t content_count;
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le_uint16_t content_meta_count;
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byte_t attributes;
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byte_t reserved_1[3];
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le_uint32_t required_system_version;
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byte_t reserved_2[4];
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};
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struct sContentInfo
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{
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crypto::sha::sSha256Hash content_hash;
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byte_t content_id[cmnt::kContentIdLen];
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le_uint32_t size_lower;
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le_uint16_t size_higher;
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byte_t content_type;
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byte_t id_offset;
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};
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struct sContentMetaInfo
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{
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le_uint64_t id;
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le_uint32_t version;
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byte_t type;
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byte_t attributes;
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byte_t reserved[2];
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};
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struct sApplicationMetaExtendedHeader
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{
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le_uint64_t id;
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le_uint32_t required_system_version;
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byte_t reserved[4];
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};
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struct sPatchMetaExtendedHeader
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{
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le_uint64_t id;
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le_uint32_t required_system_version;
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le_uint32_t extended_data_size;
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byte_t reserved[8];
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};
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struct sAddOnContentMetaExtendedHeader
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{
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le_uint64_t id;
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le_uint32_t required_system_version;
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byte_t reserved[4];
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};
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struct sDeltaMetaExtendedHeader
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{
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le_uint64_t id;
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le_uint32_t extended_data_size;
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byte_t reserved[4];
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};
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struct sDigest
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{
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byte_t data[cmnt::kDigestLen];
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};
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#pragma pack(pop)
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}
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@ -24,6 +24,8 @@
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<ClInclude Include="include\nx\AcidBinary.h" />
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<ClInclude Include="include\nx\AciHeader.h" />
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<ClInclude Include="include\nx\AesKeygen.h" />
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<ClInclude Include="include\nx\cmnt.h" />
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<ClInclude Include="include\nx\ContentMetaBinary.h" />
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<ClInclude Include="include\nx\FacBinary.h" />
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<ClInclude Include="include\nx\FacHeader.h" />
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<ClInclude Include="include\nx\HandleTableSizeEntry.h" />
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@ -68,6 +70,7 @@
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<ClCompile Include="source\AcidBinary.cpp" />
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<ClCompile Include="source\AciHeader.cpp" />
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<ClCompile Include="source\AesKeygen.cpp" />
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<ClCompile Include="source\ContentMetaBinary.cpp" />
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<ClCompile Include="source\FacBinary.cpp" />
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<ClCompile Include="source\FacHeader.cpp" />
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<ClCompile Include="source\HandleTableSizeEntry.cpp" />
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@ -144,6 +144,12 @@
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<ClInclude Include="include\nx\hierarchicalsha256.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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<ClInclude Include="include\nx\ContentMetaBinary.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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<ClInclude Include="include\nx\cmnt.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="source\AciBinary.cpp">
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@ -245,6 +251,9 @@
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<ClCompile Include="source\XciUtils.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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<ClCompile Include="source\ContentMetaBinary.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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<ItemGroup>
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<None Include="makefile" />
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300
lib/libnx/source/ContentMetaBinary.cpp
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300
lib/libnx/source/ContentMetaBinary.cpp
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#include <nx/ContentMetaBinary.h>
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nx::ContentMetaBinary::ContentMetaBinary()
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{
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clear();
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}
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nx::ContentMetaBinary::ContentMetaBinary(const ContentMetaBinary & other)
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{
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copyFrom(other);
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}
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nx::ContentMetaBinary::ContentMetaBinary(const byte_t * bytes, size_t len)
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{
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importBinary(bytes, len);
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}
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const byte_t * nx::ContentMetaBinary::getBytes() const
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{
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return mBinaryBlob.getBytes();
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}
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size_t nx::ContentMetaBinary::getSize() const
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{
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return mBinaryBlob.getSize();
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}
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void nx::ContentMetaBinary::exportBinary()
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{
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throw fnd::Exception(kModuleName, "exportBinary() not implemented");
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}
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void nx::ContentMetaBinary::importBinary(const byte_t * bytes, size_t len)
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{
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// clear member variables
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clear();
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// validate layout
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validateBinary(bytes, len);
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// get pointer to header structure
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const sContentMetaHeader* hdr = (const sContentMetaHeader*)bytes;
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mTitleId = hdr->id.get();
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mTitleVersion = hdr->version.get();
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mType = (cmnt::ContentMetaType)hdr->type;
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mAttributes = hdr->attributes;
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mRequiredSystemVersion = hdr->required_system_version.get();
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size_t exdata_size = 0;
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// save exheader
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if (hdr->exhdr_size.get() > 0)
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{
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mExtendedHeader.alloc(hdr->exhdr_size.get());
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memcpy(mExtendedHeader.getBytes(), bytes + getExtendedHeaderOffset(), hdr->exhdr_size.get());
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exdata_size = getExtendedDataSize(mType, mExtendedHeader.getBytes());
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}
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// save content info
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if (hdr->content_count.get() > 0)
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{
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const sContentInfo* info = (const sContentInfo*)(bytes + getContentInfoOffset(hdr->exhdr_size.get()));
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for (size_t i = 0; i < hdr->content_count.get(); i++)
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{
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mContentInfo[i].hash = info[i].content_hash;
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memcpy(mContentInfo[i].nca_id, info[i].content_id, cmnt::kContentIdLen);
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mContentInfo[i].size = (uint64_t)(info[i].size_lower.get()) | (uint64_t)(info[i].size_higher.get()) << 32;
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mContentInfo[i].type = (cmnt::ContentType)info[i].content_type;
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}
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}
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// save content meta info
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if (hdr->content_meta_count.get() > 0)
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{
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const sContentMetaInfo* info = (const sContentMetaInfo*)(bytes + getContentMetaInfoOffset(hdr->exhdr_size.get(), hdr->content_count.get()));
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for (size_t i = 0; i < hdr->content_meta_count.get(); i++)
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{
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mContentMetaInfo[i].id = info[i].id.get();
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mContentMetaInfo[i].version = info[i].version.get();
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mContentMetaInfo[i].type = (cmnt::ContentMetaType)info[i].type;
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mContentMetaInfo[i].attributes = info[i].attributes;
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}
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}
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// save exdata
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if (exdata_size > 0)
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{
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mExtendedData.alloc(exdata_size);
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memcpy(mExtendedData.getBytes(), bytes + getExtendedDataOffset(hdr->exhdr_size.get(), hdr->content_count.get(), hdr->content_meta_count.get()), exdata_size);
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}
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// save digest
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memcpy(mDigest.data, bytes + getDigestOffset(hdr->exhdr_size.get(), hdr->content_count.get(), hdr->content_meta_count.get(), exdata_size), cmnt::kDigestLen);
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}
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void nx::ContentMetaBinary::clear()
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{
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mBinaryBlob.clear();
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mTitleId = 0;
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mTitleVersion = 0;
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mType = cmnt::METATYPE_SYSTEM_PROGRAM;
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mAttributes = cmnt::ATTRIBUTE_NONE;
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mRequiredSystemVersion = 0;
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mExtendedHeader.clear();
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mContentInfo.clear();
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mContentMetaInfo.clear();
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mExtendedData.clear();
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memset(mDigest.data, 0, cmnt::kDigestLen);
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}
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uint64_t nx::ContentMetaBinary::getTitleId() const
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{
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return mTitleId;
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}
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void nx::ContentMetaBinary::setTitleId(uint64_t title_id)
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{
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mTitleId = title_id;
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}
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uint32_t nx::ContentMetaBinary::getTitleVersion() const
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{
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return mTitleVersion;
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}
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void nx::ContentMetaBinary::setTitleVersion(uint32_t version)
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{
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mTitleVersion = version;
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}
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nx::cmnt::ContentMetaType nx::ContentMetaBinary::getType() const
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{
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return mType;
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}
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void nx::ContentMetaBinary::setType(cmnt::ContentMetaType type)
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{
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mType = type;
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}
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byte_t nx::ContentMetaBinary::getAttributes() const
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{
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return mAttributes;
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}
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void nx::ContentMetaBinary::setAttributes(byte_t attributes)
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{
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mAttributes = attributes;
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}
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uint32_t nx::ContentMetaBinary::getRequiredSystemVersion() const
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{
|
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return mRequiredSystemVersion;
|
||||
}
|
||||
|
||||
void nx::ContentMetaBinary::setRequiredSystemVersion(uint32_t version)
|
||||
{
|
||||
mRequiredSystemVersion = version;
|
||||
}
|
||||
|
||||
const fnd::List<nx::ContentMetaBinary::ContentInfo>& nx::ContentMetaBinary::getContentInfo() const
|
||||
{
|
||||
return mContentInfo;
|
||||
}
|
||||
|
||||
void nx::ContentMetaBinary::setContentInfo(const fnd::List<nx::ContentMetaBinary::ContentInfo>& info)
|
||||
{
|
||||
mContentInfo = info;
|
||||
}
|
||||
|
||||
const fnd::List<nx::ContentMetaBinary::ContentMetaInfo>& nx::ContentMetaBinary::getContentMetaInfo() const
|
||||
{
|
||||
return mContentMetaInfo;
|
||||
}
|
||||
|
||||
void nx::ContentMetaBinary::setContentMetaInfo(const fnd::List<nx::ContentMetaBinary::ContentMetaInfo>& info)
|
||||
{
|
||||
mContentMetaInfo = info;
|
||||
}
|
||||
|
||||
const fnd::MemoryBlob & nx::ContentMetaBinary::getExtendedData() const
|
||||
{
|
||||
return mExtendedData;
|
||||
}
|
||||
|
||||
void nx::ContentMetaBinary::setExtendedData(const fnd::MemoryBlob & data)
|
||||
{
|
||||
mExtendedData = data;
|
||||
}
|
||||
|
||||
const nx::sDigest & nx::ContentMetaBinary::getDigest() const
|
||||
{
|
||||
return mDigest;
|
||||
}
|
||||
|
||||
void nx::ContentMetaBinary::setDigest(const nx::sDigest & digest)
|
||||
{
|
||||
|
||||
memcpy(mDigest.data, digest.data, cmnt::kDigestLen);
|
||||
}
|
||||
|
||||
bool nx::ContentMetaBinary::validateExtendedHeaderSize(cmnt::ContentMetaType type, size_t exhdrSize)
|
||||
{
|
||||
bool validSize = false;
|
||||
|
||||
if (type == cmnt::METATYPE_APPLICATION && exhdrSize == sizeof(sApplicationMetaExtendedHeader))
|
||||
validSize = true;
|
||||
else if (type == cmnt::METATYPE_PATCH && exhdrSize == sizeof(sPatchMetaExtendedHeader))
|
||||
validSize = true;
|
||||
else if (type == cmnt::METATYPE_ADD_ON_CONTENT && exhdrSize == sizeof(sAddOnContentMetaExtendedHeader))
|
||||
validSize = true;
|
||||
else if (type == cmnt::METATYPE_DELTA && exhdrSize == sizeof(sDeltaMetaExtendedHeader))
|
||||
validSize = true;
|
||||
|
||||
return validSize;
|
||||
}
|
||||
|
||||
size_t nx::ContentMetaBinary::getExtendedDataSize(cmnt::ContentMetaType type, const byte_t * data)
|
||||
{
|
||||
size_t exdata_len = 0;
|
||||
if (type == cmnt::METATYPE_PATCH)
|
||||
{
|
||||
const sPatchMetaExtendedHeader* exhdr = (const sPatchMetaExtendedHeader*)(data);
|
||||
exdata_len = exhdr->extended_data_size.get();
|
||||
}
|
||||
else if (type == cmnt::METATYPE_DELTA)
|
||||
{
|
||||
const sDeltaMetaExtendedHeader* exhdr = (const sDeltaMetaExtendedHeader*)(data);
|
||||
exdata_len = exhdr->extended_data_size.get();
|
||||
}
|
||||
return exdata_len;
|
||||
}
|
||||
|
||||
void nx::ContentMetaBinary::validateBinary(const byte_t * bytes, size_t len)
|
||||
{
|
||||
// check if it is large enough to read the header
|
||||
if (len < sizeof(sContentMetaHeader))
|
||||
{
|
||||
throw fnd::Exception(kModuleName, "Binary too small");
|
||||
}
|
||||
|
||||
// get pointer to header structure
|
||||
const sContentMetaHeader* hdr = (const sContentMetaHeader*)bytes;
|
||||
|
||||
// validate extended header size
|
||||
if (validateExtendedHeaderSize((cmnt::ContentMetaType)hdr->type, hdr->exhdr_size.get()) == false)
|
||||
{
|
||||
throw fnd::Exception(kModuleName, "Invalid extended header size");
|
||||
}
|
||||
|
||||
// check binary size again for new minimum size
|
||||
if (len < getTotalSize(hdr->exhdr_size.get(), hdr->content_count.get(), hdr->content_meta_count.get(), 0))
|
||||
{
|
||||
throw fnd::Exception(kModuleName, "Binary too small");
|
||||
}
|
||||
|
||||
// check binary size again with extended data size
|
||||
if (len < getTotalSize(hdr->exhdr_size.get(), hdr->content_count.get(), hdr->content_meta_count.get(), getExtendedDataSize((cmnt::ContentMetaType)hdr->type, bytes + getExtendedHeaderOffset())))
|
||||
{
|
||||
throw fnd::Exception(kModuleName, "Binary too small");
|
||||
}
|
||||
}
|
||||
|
||||
bool nx::ContentMetaBinary::isEqual(const ContentMetaBinary & other) const
|
||||
{
|
||||
return (mTitleId == other.mTitleId) \
|
||||
&& (mTitleVersion == other.mTitleVersion) \
|
||||
&& (mType == other.mType) \
|
||||
&& (mAttributes == other.mAttributes) \
|
||||
&& (mRequiredSystemVersion == other.mRequiredSystemVersion) \
|
||||
&& (mExtendedHeader == other.mExtendedHeader) \
|
||||
&& (mContentInfo == other.mContentInfo) \
|
||||
&& (mContentMetaInfo == other.mContentMetaInfo) \
|
||||
&& (mExtendedData == other.mExtendedData) \
|
||||
&& (memcmp(mDigest.data, other.mDigest.data, cmnt::kDigestLen) == 0);
|
||||
}
|
||||
|
||||
void nx::ContentMetaBinary::copyFrom(const ContentMetaBinary & other)
|
||||
{
|
||||
if (other.getSize() > 0)
|
||||
{
|
||||
importBinary(other.getBytes(), other.getSize());
|
||||
}
|
||||
else
|
||||
{
|
||||
clear();
|
||||
mTitleId = other.mTitleId;
|
||||
mTitleVersion = other.mTitleVersion;
|
||||
mType = other.mType;
|
||||
mAttributes = other.mAttributes;
|
||||
mRequiredSystemVersion = other.mRequiredSystemVersion;
|
||||
mExtendedHeader = other.mExtendedHeader;
|
||||
mContentInfo = other.mContentInfo;
|
||||
mContentMetaInfo = other.mContentMetaInfo;
|
||||
mExtendedData = other.mExtendedData;
|
||||
memcpy(mDigest.data, other.mDigest.data, cmnt::kDigestLen);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in a new issue