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120 lines
3 KiB
C++
120 lines
3 KiB
C++
#pragma once
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#include <nx/nca.h>
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#include <fnd/MemoryBlob.h>
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#include <fnd/List.h>
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#include <fnd/ISerialiseableBinary.h>
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namespace nx
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{
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class NcaHeader :
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public fnd::ISerialiseableBinary
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{
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public:
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enum FormatVersion
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{
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NCA2_FORMAT,
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NCA3_FORMAT
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};
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struct sPartition
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{
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byte_t index;
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uint64_t offset;
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uint64_t size;
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crypto::sha::sSha256Hash hash;
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const sPartition& operator=(const sPartition& other)
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{
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index = other.index;
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offset = other.offset;
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size = other.size;
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hash = other.hash;
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return *this;
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}
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bool operator==(const sPartition& other) const
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{
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return (index == other.index) \
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&& (offset == other.offset) \
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&& (size == other.size) \
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&& (hash == other.hash);
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}
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bool operator!=(const sPartition& 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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NcaHeader();
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NcaHeader(const NcaHeader& other);
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NcaHeader(const byte_t* bytes, size_t len);
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bool operator==(const NcaHeader& other) const;
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bool operator!=(const NcaHeader& other) const;
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void operator=(const NcaHeader& other);
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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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FormatVersion getFormatVersion() const;
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void setFormatVersion(FormatVersion ver);
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nca::DistributionType getDistributionType() const;
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void setDistributionType(nca::DistributionType type);
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nca::ContentType getContentType() const;
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void setContentType(nca::ContentType type);
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byte_t getKeyGeneration() const;
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void setKeyGeneration(byte_t gen);
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byte_t getKaekIndex() const;
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void setKaekIndex(byte_t index);
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uint64_t getContentSize() const;
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void setContentSize(uint64_t size);
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uint64_t getProgramId() const;
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void setProgramId(uint64_t program_id);
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uint32_t getContentIndex() const;
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void setContentIndex(uint32_t index);
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uint32_t getSdkAddonVersion() const;
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void setSdkAddonVersion(uint32_t version);
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bool hasRightsId() const;
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const byte_t* getRightsId() const;
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void setRightsId(const byte_t* rights_id);
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const fnd::List<sPartition>& getPartitions() const;
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void setPartitions(const fnd::List<sPartition>& partitions);
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const fnd::List<crypto::aes::sAes128Key>& getEncAesKeys() const;
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void setEncAesKeys(const fnd::List<crypto::aes::sAes128Key>& keys);
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private:
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const std::string kModuleName = "NCA_HEADER";
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// binary
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fnd::MemoryBlob mBinaryBlob;
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// data
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FormatVersion mFormatVersion;
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nca::DistributionType mDistributionType;
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nca::ContentType mContentType;
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byte_t mKeyGeneration;
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byte_t mKaekIndex;
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uint64_t mContentSize;
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uint64_t mProgramId;
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uint32_t mContentIndex;
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uint32_t mSdkAddonVersion;
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byte_t mRightsId[nca::kRightsIdLen];
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fnd::List<sPartition> mPartitions;
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fnd::List<crypto::aes::sAes128Key> mEncAesKeys;
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uint64_t blockNumToSize(uint32_t block_num) const;
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uint32_t sizeToBlockNum(uint64_t real_size) const;
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bool isEqual(const NcaHeader& other) const;
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void copyFrom(const NcaHeader& other);
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};
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} |