mirror of
https://github.com/jakcron/nstool
synced 2024-12-25 06:01:12 +00:00
[nx/ncatool] Update SacEntry and NcaHeader to inherit from ISerialiseableBinary. ncatool is updated accordingly.
This commit is contained in:
jakcron
parent
74820d9274
commit
e7172949da
5 changed files with 181 additions and 72 deletions
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@ -14,13 +14,13 @@ void NcaHeader::exportBinary()
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// TODO: properly reconstruct NCA layout? atm in hands of user
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for (size_t i = 0; i < mSections.size(); i++)
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for (size_t i = 0; i < mSections.getSize(); i++)
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{
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// determine section index
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u8 section = mSections.size() - 1 - i;
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u8 section = mSections.getSize() - 1 - i;
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hdr->section(section).set_start(mSections[i].start_blk);
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hdr->section(section).set_end(mSections[i].end_blk);
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hdr->section(section).set_start(sizeToBlockNum(mSections[i].offset));
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hdr->section(section).set_end(sizeToBlockNum(mSections[i].offset) + sizeToBlockNum(mSections[i].size));
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hdr->section(section).set_key_type(mSections[i].key_type);
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hdr->section_hash(section) = mSections[i].hash;
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}
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@ -59,12 +59,12 @@ void NcaHeader::importBinary(const u8 * bytes)
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if (hdr->section(section).start() == 0 && hdr->section(section).end() == 0) continue;
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// add high level struct
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mSections.push_back({ hdr->section(section).start(), hdr->section(section).end(), blockNumToSize(hdr->section(section).start()), blockNumToSize(hdr->section(section).end()- hdr->section(section).start()), hdr->section(section).key_type(), hdr->section_hash(section) });
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mSections.addElement({ blockNumToSize(hdr->section(section).start()), blockNumToSize(hdr->section(section).end() - hdr->section(section).start()), hdr->section(section).key_type(), hdr->section_hash(section) });
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}
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for (size_t i = 0; i < kAesKeyNum; i++)
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{
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mAesKeys.push_back(hdr->aes_key(i));
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mAesKeys.addElement(hdr->aes_key(i));
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}
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}
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@ -102,33 +102,33 @@ u32 NcaHeader::getUnk() const
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return mUnk0;
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}
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const std::vector<NcaHeader::sSection>& NcaHeader::getSections() const
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const fnd::List<NcaHeader::sSection>& NcaHeader::getSections() const
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{
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return mSections;
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}
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void NcaHeader::addSection(const sSection & section)
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{
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if (mSections.size() >= kSectionNum)
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if (mSections.getSize() >= kSectionNum)
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{
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throw fnd::Exception(kModuleName, "Too many NCA sections");
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}
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mSections.push_back(section);
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mSections.addElement(section);
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}
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const std::vector<crypto::aes::sAes128Key>& NcaHeader::getAesKeys() const
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const fnd::List<crypto::aes::sAes128Key>& NcaHeader::getAesKeys() const
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{
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return mAesKeys;
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}
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void NcaHeader::addKey(const crypto::aes::sAes128Key & key)
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{
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if (mAesKeys.size() >= kAesKeyNum)
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if (mAesKeys.getSize() >= kAesKeyNum)
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{
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throw fnd::Exception(kModuleName, "Too many NCA aes keys");
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}
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mAesKeys.push_back(key);
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mAesKeys.addElement(key);
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}
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void NcaHeader::clearVariables()
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@ -151,6 +151,34 @@ u32 NcaHeader::sizeToBlockNum(u64 real_size) const
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return align(real_size, mBlockSize)/mBlockSize;
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}
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bool NcaHeader::isEqual(const NcaHeader & other) const
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{
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return (mBlockSize == other.mBlockSize) \
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&& (mNcaSize == other.mNcaSize) \
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&& (mProgramId == other.mProgramId) \
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&& (mUnk0 == other.mUnk0) \
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&& (mSections == other.mSections) \
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&& (mAesKeys == other.mAesKeys);
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}
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void NcaHeader::copyFrom(const NcaHeader & other)
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{
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if (other.getSize())
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{
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importBinary(other.getBytes(), other.getSize());
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}
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else
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{
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this->mBinaryBlob.clear();
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mBlockSize = other.mBlockSize;
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mNcaSize = other.mNcaSize;
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mProgramId = other.mProgramId;
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mUnk0 = other.mUnk0;
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mSections = other.mSections;
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mAesKeys = other.mAesKeys;
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}
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}
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NcaHeader::NcaHeader()
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{
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clearVariables();
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@ -158,7 +186,7 @@ NcaHeader::NcaHeader()
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NcaHeader::NcaHeader(const NcaHeader & other)
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{
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importBinary(other.getBytes());
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copyFrom(other);
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}
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NcaHeader::NcaHeader(const u8 * bytes)
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@ -166,9 +194,14 @@ NcaHeader::NcaHeader(const u8 * bytes)
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importBinary(bytes);
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}
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bool NcaHeader::operator==(const NcaHeader & other)
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bool NcaHeader::operator==(const NcaHeader & other) const
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{
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return memcmp(this->getBytes(), other.getBytes(), this->getSize()) == 0;
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return isEqual(other);
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}
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bool NcaHeader::operator!=(const NcaHeader & other) const
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{
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return !isEqual(other);
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}
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void NcaHeader::operator=(const NcaHeader & other)
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@ -1,8 +1,8 @@
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#pragma once
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#include <vector>
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#include <string>
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#include <fnd/types.h>
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#include <fnd/memory_blob.h>
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#include <fnd/List.h>
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#include <crypto/aes.h>
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#include <crypto/sha.h>
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#include <nx/ISerialiseableBinary.h>
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@ -12,12 +12,33 @@ class NcaHeader : public ISerialiseableBinary
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public:
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struct sSection
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{
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u32 start_blk;
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u32 end_blk;
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u64 offset;
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u64 size;
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u8 key_type;
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crypto::sha::sSha256Hash hash;
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const sSection& operator=(const sSection& other)
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{
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offset = other.offset;
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size = other.size;
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key_type = other.key_type;
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hash = other.hash;
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return *this;
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}
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bool operator==(const sSection& other) const
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{
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return (offset == other.offset) \
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&& (size == other.size) \
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&& (key_type == other.key_type) \
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&& (hash == other.hash);
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}
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bool operator!=(const sSection& 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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static const size_t kDefaultBlockSize = 0x200;
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@ -26,7 +47,8 @@ public:
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NcaHeader(const NcaHeader& other);
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NcaHeader(const u8* bytes);
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bool operator==(const NcaHeader& other);
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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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@ -44,9 +66,9 @@ public:
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u64 getProgramId() const;
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void setProgramId(u64 program_id);
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u32 getUnk() const;
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const std::vector<sSection>& getSections() const;
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const fnd::List<sSection>& getSections() const;
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void addSection(const sSection& section);
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const std::vector<crypto::aes::sAes128Key>& getAesKeys() const;
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const fnd::List<crypto::aes::sAes128Key>& getAesKeys() const;
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void addKey(const crypto::aes::sAes128Key& key);
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private:
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@ -122,10 +144,12 @@ private:
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u64 mNcaSize;
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u64 mProgramId;
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u32 mUnk0;
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std::vector<sSection> mSections;
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std::vector<crypto::aes::sAes128Key> mAesKeys;
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fnd::List<sSection> mSections;
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fnd::List<crypto::aes::sAes128Key> mAesKeys;
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void clearVariables();
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u64 blockNumToSize(u32 block_num) const;
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u32 sizeToBlockNum(u64 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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@ -6,14 +6,31 @@ SacEntry::SacEntry() :
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{
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}
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SacEntry::SacEntry(const SacEntry & other)
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SacEntry::SacEntry(const std::string & name, bool isServer) :
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mIsServer(isServer),
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mName(name)
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{
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importBinary(other.getBytes(), other.getSize());
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exportBinary();
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}
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SacEntry::SacEntry(const u8 * bytes)
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SacEntry::SacEntry(const SacEntry & other)
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{
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importBinary(bytes);
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copyFrom(other);
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}
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bool SacEntry::operator==(const SacEntry & other) const
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{
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return isEqual(other);
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}
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bool SacEntry::operator!=(const SacEntry & other) const
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{
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return !isEqual(other);
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}
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void SacEntry::operator=(const SacEntry & other)
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{
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copyFrom(other);
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}
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const u8 * SacEntry::getBytes() const
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@ -47,9 +64,20 @@ void SacEntry::exportBinary()
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}
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void SacEntry::importBinary(const u8 * bytes)
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{
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throw fnd::Exception(kModuleName, "Unsupported operation. importBinary(const u8* bytes) is not supported for variable size structures.");
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}
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void SacEntry::importBinary(const u8 * bytes, size_t len)
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{
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bool isServer = (bytes[0] & SAC_IS_SERVER) == SAC_IS_SERVER;
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size_t nameLen = (bytes[0] & SAC_NAME_LEN_MASK);
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if (nameLen+1 > len)
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{
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throw fnd::Exception(kModuleName, "SAC entry is too small");
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}
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if (nameLen == 0)
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{
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throw fnd::Exception(kModuleName, "SAC entry has no service name");
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@ -66,15 +94,6 @@ void SacEntry::importBinary(const u8 * bytes)
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mName = std::string((const char*)(mBinaryBlob.getBytes() + 1), nameLen);
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}
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void SacEntry::importBinary(const u8 * bytes, size_t len)
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{
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importBinary(bytes);
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if (getSize() != len)
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{
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throw fnd::Exception(kModuleName, "SAC Entry has unexpected size");
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}
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}
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bool SacEntry::isServer() const
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{
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return mIsServer;
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@ -99,3 +118,22 @@ void SacEntry::setName(const std::string & name)
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mName = name;
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}
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bool SacEntry::isEqual(const SacEntry & other) const
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{
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return (mIsServer == other.mIsServer) \
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&& (mName == other.mName);
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}
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void SacEntry::copyFrom(const SacEntry & other)
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{
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if (other.getSize())
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{
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importBinary(other.getBytes(), other.getSize());
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}
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else
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{
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this->mIsServer = other.mIsServer;
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this->mName = other.mName;
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}
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}
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@ -6,9 +6,14 @@
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class SacEntry : public ISerialiseableBinary
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{
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public:
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SacEntry();
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SacEntry(const std::string& name, bool isServer);
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SacEntry(const SacEntry& other);
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SacEntry(const u8* bytes);
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bool operator==(const SacEntry& other) const;
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bool operator!=(const SacEntry& other) const;
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void operator=(const SacEntry& other);
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// to be used after export
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const u8* getBytes() const;
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@ -40,4 +45,7 @@ private:
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// variables
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bool mIsServer;
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std::string mName;
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bool isEqual(const SacEntry& other) const;
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void copyFrom(const SacEntry& other);
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};
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@ -57,46 +57,52 @@ int main(int argc, char** argv)
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return 1;
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}
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fnd::MemoryBlob nca;
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fnd::io::readFile(argv[1], nca);
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u8 sector[kNcaSectorSize];
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// nca test
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if (argc == 2)
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try
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{
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decryptNcaSectorXts(nca, sector, 1, nx::crypto::aes::nca_header_key[0], nx::crypto::aes::nca_header_key[1]);
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fnd::MemoryBlob nca;
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fnd::io::readFile(argv[1], nca);
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NcaHeader hdr;
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hdr.importBinary(sector);
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u8 sector[kNcaSectorSize];
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printf("NCA Header\n");
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printf(" Size: 0x%" PRIx64 "\n", hdr.getNcaSize());
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printf(" ProgID: 0x%016" PRIx64 "\n", hdr.getProgramId());
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printf(" Unk0: 0x%" PRIx32 "\n", hdr.getUnk());
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printf(" Sections:\n");
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for (size_t i = 0; i < hdr.getSections().size(); i++)
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// nca test
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if (argc == 2)
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{
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const NcaHeader::sSection& section = hdr.getSections()[i];
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printf(" %lu:\n", i);
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printf(" Start Blk: %" PRId32 "\n", section.start_blk);
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printf(" End Blk: %" PRId32 "\n", section.end_blk);
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printf(" Offset: 0x%" PRIx64 "\n", section.offset);
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printf(" Size: 0x%" PRIx64 "\n", section.size);
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printf(" KeyType: 0x%02x\n", section.key_type);
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printf(" Hash: ");
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hexDump(section.hash.bytes, crypto::sha::kSha256HashLen);
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printf("\n");
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}
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printf(" AES Keys:\n");
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for (size_t i = 0; i < hdr.getAesKeys().size(); i++)
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{
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printf(" %lu: ", i);
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hexDump(hdr.getAesKeys()[i].key, crypto::aes::kAes128KeySize);
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printf("\n");
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}
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decryptNcaSectorXts(nca, sector, 1, nx::crypto::aes::nca_header_key[0], nx::crypto::aes::nca_header_key[1]);
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NcaHeader hdr;
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hdr.importBinary(sector);
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printf("[NCA Header]\n");
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printf(" Size: 0x%" PRIx64 "\n", hdr.getNcaSize());
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printf(" ProgID: 0x%016" PRIx64 "\n", hdr.getProgramId());
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printf(" Unk0: 0x%" PRIx32 "\n", hdr.getUnk());
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printf(" Sections:\n");
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for (size_t i = 0; i < hdr.getSections().getSize(); i++)
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{
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const NcaHeader::sSection& section = hdr.getSections()[i];
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printf(" %lu:\n", i);
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//printf(" Start Blk: %" PRId32 "\n", section.start_blk);
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//printf(" End Blk: %" PRId32 "\n", section.end_blk);
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printf(" Offset: 0x%" PRIx64 "\n", section.offset);
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printf(" Size: 0x%" PRIx64 "\n", section.size);
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printf(" KeyType: 0x%02x\n", section.key_type);
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printf(" Hash: ");
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hexDump(section.hash.bytes, crypto::sha::kSha256HashLen);
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printf("\n");
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}
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printf(" AES Keys:\n");
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for (size_t i = 0; i < hdr.getAesKeys().getSize(); i++)
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{
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printf(" %lu: ", i);
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hexDump(hdr.getAesKeys()[i].key, crypto::aes::kAes128KeySize);
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printf("\n");
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}
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}
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} catch (const fnd::Exception& e)
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{
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printf("[%s%sERROR] %s\n", e.module(), strlen(e.module()) > 0 ? " " : "", e.what());
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}
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return 0;
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