bool AtomMDHD::ReadDataVersion1() {
if (!ReadUInt64(_creationTime)) {
FATAL("Unable to read creation time");
return false;
}
if (!ReadUInt64(_modificationTime)) {
FATAL("Unable to read modification time");
return false;
}
if (!ReadUInt32(_timeScale)) {
FATAL("Unable to read time scale");
return false;
}
if (!ReadUInt64(_duration)) {
FATAL("Unable to read duration");
return false;
}
if (!ReadUInt16(_language)) {
FATAL("Unable to read language");
return false;
}
if (!ReadUInt16(_quality)) {
FATAL("Unable to read quality");
return false;
}
return true;
}
uint64 CFileDataIO::GetIntTagValue() const {
uint8 type = ReadUInt8();
ReadString(false);
switch (type) {
case TAGTYPE_UINT64:
return ReadUInt64();
break;
case TAGTYPE_UINT32:
return ReadUInt32();
break;
case TAGTYPE_UINT16:
return ReadUInt16();
break;
case TAGTYPE_UINT8:
return ReadUInt8();
break;
default:
throw wxString(wxT("Wrong tag type reading int tag"));
}
}
bool AtomELST::ReadData() {
uint32_t count = 0;
if (!ReadUInt32(count)) {
FATAL("Unable to read elst entries count");
return false;
}
//FINEST("-------");
ELSTEntry entry;
for (uint32_t i = 0; i < count; i++) {
if (_version == 1) {
if (!ReadUInt64(entry.value._64.segmentDuration)) {
FATAL("Unable to read elst atom");
return false;
}
if (!ReadUInt64(entry.value._64.mediaTime)) {
FATAL("Unable to read elst atom");
return false;
}
} else {
if (!ReadUInt32(entry.value._32.segmentDuration)) {
FATAL("Unable to read elst atom");
return false;
}
if (!ReadUInt32(entry.value._32.mediaTime)) {
FATAL("Unable to read elst atom");
return false;
}
}
if (!ReadUInt16(entry.mediaRateInteger)) {
FATAL("Unable to read elst atom");
return false;
}
if (!ReadUInt16(entry.mediaRateFraction)) {
FATAL("Unable to read elst atom");
return false;
}
// FINEST("version: %"PRIu8"; segmentDuration: %"PRIu32"; mediaTime: %"PRIu32"; mediaRateInteger: %"PRIu16"; mediaRateFraction: %"PRIu16,
// _version,
// entry.value._32.segmentDuration,
// entry.value._32.mediaTime,
// entry.mediaRateInteger,
// entry.mediaRateFraction);
_entries.push_back(entry);
}
return SkipRead(false);
}
bool AtomAFRT::ReadData() {
//FINEST("AFRT");
if (!ReadUInt32(_timeScale)) {
FATAL("Unable to read _timeScale");
return false;
}
//FINEST("_timeScale: %"PRIu32, _timeScale);
if (!ReadUInt8(_qualityEntryCount)) {
FATAL("Unable to read _qualityEntryCount");
return false;
}
//FINEST("_qualityEntryCount: %"PRIu8, _qualityEntryCount);
for (uint8_t i = 0; i < _qualityEntryCount; i++) {
string temp;
if (!ReadNullTerminatedString(temp)) {
FATAL("Unable to read QualitySegmentUrlModifiers");
return false;
}
//FINEST("%"PRIu8": QualitySegmentUrlModifiers: %s", i, STR(temp));
ADD_VECTOR_END(_qualitySegmentUrlModifiers, temp);
}
if (!ReadUInt32(_fragmentRunEntryCount)) {
FATAL("Unable to read _fragmentRunEntryCount");
return false;
}
//FINEST("_fragmentRunEntryCount: %"PRIu32, _fragmentRunEntryCount);
for (uint32_t i = 0; i < _fragmentRunEntryCount; i++) {
FRAGMENTRUNENTRY temp = {0, 0, 0, 0};
if (!ReadUInt32(temp.firstFragment)) {
FATAL("Unable to read FRAGMENTRUNENTRY.FirstFragment");
return false;
}
if (!ReadUInt64(temp.firstFragmentTimestamp)) {
FATAL("Unable to read FRAGMENTRUNENTRY.FirstFragmentTimestamp");
return false;
}
if (!ReadUInt32(temp.fragmentDuration)) {
FATAL("Unable to read FRAGMENTRUNENTRY.FragmentDuration");
return false;
}
if (temp.fragmentDuration == 0) {
if (!ReadUInt8(temp.discontinuityIndicator)) {
FATAL("Unable to read FRAGMENTRUNENTRY.DiscontinuityIndicator");
return false;
}
}
//FINEST("%"PRIu32": FRAGMENTRUNENTRY.FirstFragment: %"PRIu32"; FRAGMENTRUNENTRY.FirstFragmentTimestamp: %"PRIu64"; FRAGMENTRUNENTRY.FragmentDuration: %"PRIu32"; FRAGMENTRUNENTRY.DiscontinuityIndicator: %"PRIu8,
// i, temp.firstFragment, temp.firstFragmentTimestamp, temp.fragmentDuration, temp.discontinuityIndicator);
ADD_VECTOR_END(_fragmentRunEntryTable, temp);
}
return true;
}
void
NgramVector::Deserialize(FILE *inFile) {
_length = ReadUInt64(inFile);
ReadVector(inFile, _words);
ReadVector(inFile, _hists);
_Reindex(nextPowerOf2(_length + _length / 4));
// Build truncated view into words and hists.
_wordsView.attach(_words);
_histsView.attach(_hists);
}
void CInArchive::ReadUInt64DefVector(const CObjectVector<CByteBuffer> &dataVector,
CUInt64DefVector &v, int numFiles)
{
ReadBoolVector2(numFiles, v.Defined);
CStreamSwitch streamSwitch;
streamSwitch.Set(this, &dataVector);
v.Values.Reserve(numFiles);
for (int i = 0; i < numFiles; i++)
{
UInt64 t = 0;
if (v.Defined[i])
t = ReadUInt64();
v.Values.Add(t);
}
}
bool CInArchive::ReadExtra(unsigned extraSize, CExtraBlock &extraBlock,
UInt64 &unpackSize, UInt64 &packSize, UInt64 &localHeaderOffset, UInt32 &diskStartNumber)
{
extraBlock.Clear();
UInt32 remain = extraSize;
while (remain >= 4)
{
CExtraSubBlock subBlock;
subBlock.ID = ReadUInt16();
unsigned dataSize = ReadUInt16();
remain -= 4;
if (dataSize > remain) // it's bug
{
HeadersWarning = true;
Skip(remain);
return false;
}
if (subBlock.ID == NFileHeader::NExtraID::kZip64)
{
if (unpackSize == 0xFFFFFFFF)
{
if (dataSize < 8)
{
HeadersWarning = true;
Skip(remain);
return false;
}
unpackSize = ReadUInt64();
remain -= 8;
dataSize -= 8;
}
if (packSize == 0xFFFFFFFF)
{
if (dataSize < 8)
break;
packSize = ReadUInt64();
remain -= 8;
dataSize -= 8;
}
if (localHeaderOffset == 0xFFFFFFFF)
{
if (dataSize < 8)
break;
localHeaderOffset = ReadUInt64();
remain -= 8;
dataSize -= 8;
}
if (diskStartNumber == 0xFFFF)
{
if (dataSize < 4)
break;
diskStartNumber = ReadUInt32();
remain -= 4;
dataSize -= 4;
}
Skip(dataSize);
}
else
{
ReadBuffer(subBlock.Data, dataSize);
extraBlock.SubBlocks.Add(subBlock);
}
remain -= dataSize;
}
if (remain != 0)
{
ExtraMinorError = true;
// 7-Zip before 9.31 created incorrect WsAES Extra in folder's local headers.
// so we don't return false, but just set warning flag
// return false;
}
Skip(remain);
return true;
}
CTag *CFileDataIO::ReadTag(bool bOptACP) const
{
CTag *retVal = NULL;
wxString name;
byte type = 0;
try {
type = ReadUInt8();
name = ReadString(false);
switch (type)
{
// NOTE: This tag data type is accepted and stored only to give us the possibility to upgrade
// the net in some months.
//
// And still.. it doesnt't work this way without breaking backward compatibility. To properly
// do this without messing up the network the following would have to be done:
// - those tag types have to be ignored by any client, otherwise those tags would also be sent (and
// that's really the problem)
//
// - ignoring means, each client has to read and right throw away those tags, so those tags get
// get never stored in any tag list which might be sent by that client to some other client.
//
// - all calling functions have to be changed to deal with the 'nr. of tags' attribute (which was
// already parsed) correctly.. just ignoring those tags here is not enough, any taglists have to
// be built with the knowledge that the 'nr. of tags' attribute may get decreased during the tag
// reading..
//
// If those new tags would just be stored and sent to remote clients, any malicious or just bugged
// client could let send a lot of nodes "corrupted" packets...
//
case TAGTYPE_HASH16:
{
retVal = new CTagHash(name, ReadHash());
break;
}
case TAGTYPE_STRING:
retVal = new CTagString(name, ReadString(bOptACP));
break;
case TAGTYPE_UINT64:
retVal = new CTagInt64(name, ReadUInt64());
break;
case TAGTYPE_UINT32:
retVal = new CTagInt32(name, ReadUInt32());
break;
case TAGTYPE_UINT16:
retVal = new CTagInt16(name, ReadUInt16());
break;
case TAGTYPE_UINT8:
retVal = new CTagInt8(name, ReadUInt8());
break;
case TAGTYPE_FLOAT32:
retVal = new CTagFloat(name, ReadFloat());
break;
// NOTE: This tag data type is accepted and stored only to give us the possibility to upgrade
// the net in some months.
//
// And still.. it doesnt't work this way without breaking backward compatibility
case TAGTYPE_BSOB:
{
uint8 size = 0;
CScopedArray<unsigned char> value(ReadBsob(&size));
retVal = new CTagBsob(name, value.get(), size);
break;
}
default:
throw wxString(CFormat(wxT("Invalid Kad tag type; type=0x%02x name=%s\n")) % type % name);
}
} catch(const CMuleException& e) {
AddLogLineN(e.what());
delete retVal;
throw;
} catch(const wxString& e) {
AddLogLineN(e);
throw;
}
return retVal;
}
bool CXBTFReader::Open(const std::string& path)
{
if (path.empty())
return false;
m_path = path;
#ifdef TARGET_WINDOWS
std::wstring strPathW;
g_charsetConverter.utf8ToW(CSpecialProtocol::TranslatePath(m_path), strPathW, false);
m_file = _wfopen(strPathW.c_str(), L"rb");
#else
m_file = fopen(m_path.c_str(), "rb");
#endif
if (m_file == nullptr)
return false;
// read the magic word
char magic[4];
if (!ReadString(m_file, magic, sizeof(magic)))
return false;
if (strncmp(XBTF_MAGIC.c_str(), magic, sizeof(magic)) != 0)
return false;
// read the version
char version[1];
if (!ReadString(m_file, version, sizeof(version)))
return false;
if (strncmp(XBTF_VERSION.c_str(), version, sizeof(version)) != 0)
return false;
unsigned int nofFiles;
if (!ReadUInt32(m_file, nofFiles))
return false;
for (uint32_t i = 0; i < nofFiles; i++)
{
CXBTFFile xbtfFile;
uint32_t u32;
uint64_t u64;
char path[CXBTFFile::MaximumPathLength];
memset(path, 0, sizeof(path));
if (!ReadString(m_file, path, sizeof(path)))
return false;
xbtfFile.SetPath(path);
if (!ReadUInt32(m_file, u32))
return false;
xbtfFile.SetLoop(u32);
unsigned int nofFrames;
if (!ReadUInt32(m_file, nofFrames))
return false;
for (uint32_t j = 0; j < nofFrames; j++)
{
CXBTFFrame frame;
if (!ReadUInt32(m_file, u32))
return false;
frame.SetWidth(u32);
if (!ReadUInt32(m_file, u32))
return false;
frame.SetHeight(u32);
if (!ReadUInt32(m_file, u32))
return false;
frame.SetFormat(u32);
if (!ReadUInt64(m_file, u64))
return false;
frame.SetPackedSize(u64);
if (!ReadUInt64(m_file, u64))
return false;
frame.SetUnpackedSize(u64);
if (!ReadUInt32(m_file, u32))
return false;
frame.SetDuration(u32);
if (!ReadUInt64(m_file, u64))
return false;
frame.SetOffset(u64);
xbtfFile.GetFrames().push_back(frame);
}
AddFile(xbtfFile);
}
// Sanity check
uint64_t pos = static_cast<uint64_t>(ftell(m_file));
if (pos != GetHeaderSize())
return false;
return true;
}
int64_t BinaryReader::ReadInt64()
{
return (int64_t)ReadUInt64();
}
double BinaryReader::ReadDouble()
{
uint64_t value = ReadUInt64();
return *(double*)&value;
}
HRESULT CInArchive::OpenHelp2(IInStream *inStream, CDatabase &database)
{
if (ReadUInt32() != 1) // version
return S_FALSE;
if (ReadUInt32() != 0x28) // Location of header section table
return S_FALSE;
UInt32 numHeaderSections = ReadUInt32();
const unsigned kNumHeaderSectionsMax = 5;
if (numHeaderSections != kNumHeaderSectionsMax)
return S_FALSE;
IsArc = true;
ReadUInt32(); // Len of post-header table
Byte g[16];
ReadGUID(g); // {0A9007C1-4076-11D3-8789-0000F8105754}
// header section table
UInt64 sectionOffsets[kNumHeaderSectionsMax];
UInt64 sectionSizes[kNumHeaderSectionsMax];
UInt32 i;
for (i = 0; i < numHeaderSections; i++)
{
sectionOffsets[i] = ReadUInt64();
sectionSizes[i] = ReadUInt64();
UInt64 end = sectionOffsets[i] + sectionSizes[i];
database.UpdatePhySize(end);
}
// Post-Header
ReadUInt32(); // 2
ReadUInt32(); // 0x98: offset to CAOL from beginning of post-header)
// ----- Directory information
ReadUInt64(); // Chunk number of top-level AOLI chunk in directory, or -1
ReadUInt64(); // Chunk number of first AOLL chunk in directory
ReadUInt64(); // Chunk number of last AOLL chunk in directory
ReadUInt64(); // 0 (unknown)
ReadUInt32(); // $2000 (Directory chunk size of directory)
ReadUInt32(); // Quickref density for main directory, usually 2
ReadUInt32(); // 0 (unknown)
ReadUInt32(); // Depth of main directory index tree
// 1 there is no index, 2 if there is one level of AOLI chunks.
ReadUInt64(); // 0 (unknown)
UInt64 numDirEntries = ReadUInt64(); // Number of directory entries
// ----- Directory Index Information
ReadUInt64(); // -1 (unknown, probably chunk number of top-level AOLI in directory index)
ReadUInt64(); // Chunk number of first AOLL chunk in directory index
ReadUInt64(); // Chunk number of last AOLL chunk in directory index
ReadUInt64(); // 0 (unknown)
ReadUInt32(); // $200 (Directory chunk size of directory index)
ReadUInt32(); // Quickref density for directory index, usually 2
ReadUInt32(); // 0 (unknown)
ReadUInt32(); // Depth of directory index index tree.
ReadUInt64(); // Possibly flags -- sometimes 1, sometimes 0.
ReadUInt64(); // Number of directory index entries (same as number of AOLL
// chunks in main directory)
// (The obvious guess for the following two fields, which recur in a number
// of places, is they are maximum sizes for the directory and directory index.
// However, I have seen no direct evidence that this is the case.)
ReadUInt32(); // $100000 (Same as field following chunk size in directory)
ReadUInt32(); // $20000 (Same as field following chunk size in directory index)
ReadUInt64(); // 0 (unknown)
if (ReadUInt32() != kSignature_CAOL)
return S_FALSE;
if (ReadUInt32() != 2) // (Most likely a version number)
return S_FALSE;
UInt32 caolLength = ReadUInt32(); // $50 (Len of the CAOL section, which includes the ITSF section)
if (caolLength >= 0x2C)
{
/* UInt32 c7 = */ ReadUInt16(); // Unknown. Remains the same when identical files are built.
// Does not appear to be a checksum. Many files have
// 'HH' (HTML Help?) here, indicating this may be a compiler ID
// field. But at least one ITOL/ITLS compiler does not set this
// field to a constant value.
ReadUInt16(); // 0 (Unknown. Possibly part of 00A4 field)
ReadUInt32(); // Unknown. Two values have been seen -- $43ED, and 0.
ReadUInt32(); // $2000 (Directory chunk size of directory)
ReadUInt32(); // $200 (Directory chunk size of directory index)
ReadUInt32(); // $100000 (Same as field following chunk size in directory)
ReadUInt32(); // $20000 (Same as field following chunk size in directory index)
ReadUInt32(); // 0 (unknown)
ReadUInt32(); // 0 (Unknown)
if (caolLength == 0x2C)
{
// fprintf(stdout, "\n !!!NewFormat\n");
// fflush(stdout);
database.ContentOffset = 0; // maybe we must add database.StartPosition here?
database.NewFormat = true;
}
else if (caolLength == 0x50)
{
ReadUInt32(); // 0 (Unknown)
if (ReadUInt32() != kSignature_ITSF)
return S_FALSE;
if (ReadUInt32() != 4) // $4 (Version number -- CHM uses 3)
return S_FALSE;
if (ReadUInt32() != 0x20) // $20 (length of ITSF)
return S_FALSE;
UInt32 unknown = ReadUInt32();
if (unknown != 0 && unknown != 1) // = 0 for some HxW files, 1 in other cases;
return S_FALSE;
database.ContentOffset = database.StartPosition + ReadUInt64();
/* UInt32 timeStamp = */ ReadUInt32();
// A timestamp of some sort.
// Considered as a big-endian DWORD, it appears to contain
// seconds (MSB) and fractional seconds (second byte).
// The third and fourth bytes may contain even more fractional
// bits. The 4 least significant bits in the last byte are constant.
/* UInt32 lang = */ ReadUInt32(); // BE?
}
else
return S_FALSE;
}
// Section 0
ReadChunk(inStream, database.StartPosition + sectionOffsets[0], sectionSizes[0]);
if (sectionSizes[0] < 0x18)
return S_FALSE;
if (ReadUInt32() != 0x01FE)
return S_FALSE;
ReadUInt32(); // unknown: 0
UInt64 fileSize = ReadUInt64();
database.UpdatePhySize(fileSize);
ReadUInt32(); // unknown: 0
ReadUInt32(); // unknown: 0
// Section 1: The Directory Listing
ReadChunk(inStream, database.StartPosition + sectionOffsets[1], sectionSizes[1]);
if (ReadUInt32() != kSignature_IFCM)
return S_FALSE;
if (ReadUInt32() != 1) // (probably a version number)
return S_FALSE;
UInt32 dirChunkSize = ReadUInt32(); // $2000
if (dirChunkSize < 64)
return S_FALSE;
ReadUInt32(); // $100000 (unknown)
ReadUInt32(); // -1 (unknown)
ReadUInt32(); // -1 (unknown)
UInt32 numDirChunks = ReadUInt32();
ReadUInt32(); // 0 (unknown, probably high word of above)
for (UInt32 ci = 0; ci < numDirChunks; ci++)
{
UInt64 chunkPos = _inBuffer.GetProcessedSize();
if (ReadUInt32() == kSignature_AOLL)
{
UInt32 quickrefLength = ReadUInt32(); // Len of quickref area at end of directory chunk
if (quickrefLength > dirChunkSize || quickrefLength < 2)
return S_FALSE;
ReadUInt64(); // Directory chunk number
// This must match physical position in file, that is
// the chunk size times the chunk number must be the
// offset from the end of the directory header.
ReadUInt64(); // Chunk number of previous listing chunk when reading
// directory in sequence (-1 if first listing chunk)
ReadUInt64(); // Chunk number of next listing chunk when reading
// directory in sequence (-1 if last listing chunk)
ReadUInt64(); // Number of first listing entry in this chunk
ReadUInt32(); // 1 (unknown -- other values have also been seen here)
ReadUInt32(); // 0 (unknown)
unsigned numItems = 0;
for (;;)
{
UInt64 offset = _inBuffer.GetProcessedSize() - chunkPos;
UInt32 offsetLimit = dirChunkSize - quickrefLength;
if (offset > offsetLimit)
return S_FALSE;
if (offset == offsetLimit)
break;
if (database.NewFormat)
{
UInt16 nameLen = ReadUInt16();
if (nameLen == 0)
return S_FALSE;
UString name;
ReadUString((unsigned)nameLen, name);
AString s;
ConvertUnicodeToUTF8(name, s);
Byte b = ReadByte();
s.Add_Space();
PrintByte(b, s);
s.Add_Space();
UInt64 len = ReadEncInt();
// then number of items ?
// then length ?
// then some data (binary encoding?)
while (len-- != 0)
{
b = ReadByte();
PrintByte(b, s);
}
database.NewFormatString += s;
database.NewFormatString += "\r\n";
}
else
{
RINOK(ReadDirEntry(database));
}
numItems++;
}
Skip(quickrefLength - 2);
if (ReadUInt16() != numItems)
return S_FALSE;
if (numItems > numDirEntries)
return S_FALSE;
numDirEntries -= numItems;
}
else
Skip(dirChunkSize - 4);
}
return numDirEntries == 0 ? S_OK : S_FALSE;
}
HRESULT CInArchive::OpenChm(IInStream *inStream, CDatabase &database)
{
UInt32 headerSize = ReadUInt32();
if (headerSize != 0x60)
return S_FALSE;
database.PhySize = headerSize;
UInt32 unknown1 = ReadUInt32();
if (unknown1 != 0 && unknown1 != 1) // it's 0 in one .sll file
return S_FALSE;
IsArc = true;
/* UInt32 timeStamp = */ ReadUInt32();
// Considered as a big-endian DWORD, it appears to contain seconds (MSB) and
// fractional seconds (second byte).
// The third and fourth bytes may contain even more fractional bits.
// The 4 least significant bits in the last byte are constant.
/* UInt32 lang = */ ReadUInt32();
Byte g[16];
ReadGUID(g); // {7C01FD10-7BAA-11D0-9E0C-00A0-C922-E6EC}
ReadGUID(g); // {7C01FD11-7BAA-11D0-9E0C-00A0-C922-E6EC}
const unsigned kNumSections = 2;
UInt64 sectionOffsets[kNumSections];
UInt64 sectionSizes[kNumSections];
unsigned i;
for (i = 0; i < kNumSections; i++)
{
sectionOffsets[i] = ReadUInt64();
sectionSizes[i] = ReadUInt64();
UInt64 end = sectionOffsets[i] + sectionSizes[i];
database.UpdatePhySize(end);
}
// if (chmVersion == 3)
database.ContentOffset = ReadUInt64();
/*
else
database.ContentOffset = database.StartPosition + 0x58
*/
// Section 0
ReadChunk(inStream, sectionOffsets[0], sectionSizes[0]);
if (sectionSizes[0] < 0x18)
return S_FALSE;
if (ReadUInt32() != 0x01FE)
return S_FALSE;
ReadUInt32(); // unknown: 0
UInt64 fileSize = ReadUInt64();
database.UpdatePhySize(fileSize);
ReadUInt32(); // unknown: 0
ReadUInt32(); // unknown: 0
// Section 1: The Directory Listing
ReadChunk(inStream, sectionOffsets[1], sectionSizes[1]);
if (ReadUInt32() != kSignature_ITSP)
return S_FALSE;
if (ReadUInt32() != 1) // version
return S_FALSE;
/* UInt32 dirHeaderSize = */ ReadUInt32();
ReadUInt32(); // 0x0A (unknown)
UInt32 dirChunkSize = ReadUInt32(); // $1000
if (dirChunkSize < 32)
return S_FALSE;
/* UInt32 density = */ ReadUInt32(); // "Density" of quickref section, usually 2.
/* UInt32 depth = */ ReadUInt32(); // Depth of the index tree: 1 there is no index,
// 2 if there is one level of PMGI chunks.
/* UInt32 chunkNumber = */ ReadUInt32(); // Chunk number of root index chunk, -1 if there is none
// (though at least one file has 0 despite there being no
// index chunk, probably a bug.)
/* UInt32 firstPmglChunkNumber = */ ReadUInt32(); // Chunk number of first PMGL (listing) chunk
/* UInt32 lastPmglChunkNumber = */ ReadUInt32(); // Chunk number of last PMGL (listing) chunk
ReadUInt32(); // -1 (unknown)
UInt32 numDirChunks = ReadUInt32(); // Number of directory chunks (total)
/* UInt32 windowsLangId = */ ReadUInt32();
ReadGUID(g); // {5D02926A-212E-11D0-9DF9-00A0C922E6EC}
ReadUInt32(); // 0x54 (This is the length again)
ReadUInt32(); // -1 (unknown)
ReadUInt32(); // -1 (unknown)
ReadUInt32(); // -1 (unknown)
for (UInt32 ci = 0; ci < numDirChunks; ci++)
{
UInt64 chunkPos = _inBuffer.GetProcessedSize();
if (ReadUInt32() == kSignature_PMGL)
{
// The quickref area is written backwards from the end of the chunk.
// One quickref entry exists for every n entries in the file, where n
// is calculated as 1 + (1 << quickref density). So for density = 2, n = 5.
UInt32 quickrefLength = ReadUInt32(); // Len of free space and/or quickref area at end of directory chunk
if (quickrefLength > dirChunkSize || quickrefLength < 2)
return S_FALSE;
ReadUInt32(); // Always 0
ReadUInt32(); // Chunk number of previous listing chunk when reading
// directory in sequence (-1 if this is the first listing chunk)
ReadUInt32(); // Chunk number of next listing chunk when reading
// directory in sequence (-1 if this is the last listing chunk)
unsigned numItems = 0;
for (;;)
{
UInt64 offset = _inBuffer.GetProcessedSize() - chunkPos;
UInt32 offsetLimit = dirChunkSize - quickrefLength;
if (offset > offsetLimit)
return S_FALSE;
if (offset == offsetLimit)
break;
RINOK(ReadDirEntry(database));
numItems++;
}
Skip(quickrefLength - 2);
unsigned rrr = ReadUInt16();
if (rrr != numItems)
{
// Lazarus 9-26-2 chm contains 0 here.
if (rrr != 0)
return S_FALSE;
}
}
else
Skip(dirChunkSize - 4);
}
return S_OK;
}
bool AtomAFRA::ReadData() {
//FINEST("AFRA");
if (!ReadUInt8(_flags)) {
FATAL("Unable to read flags");
return false;
}
//FINEST("flags: %" PRIu8, _flags);
if (!ReadUInt32(_timeScale)) {
FATAL("Unable to read timeScale");
return false;
}
//FINEST("_timeScale: %" PRIu32, _timeScale);
if (!ReadUInt32(_entryCount)) {
FATAL("Unable to read entryCount");
return false;
}
//FINEST("_entryCount: %" PRIu32, _entryCount);
bool longOffsets = (_flags >> 6)&0x01;
bool longIds = (_flags >> 7)&0x01;
bool globalEntries = (_flags >> 5)&0x01;
for (uint32_t i = 0; i < _entryCount; i++) {
AFRAENTRY temp = {0, 0};
if (!ReadUInt64(temp.time)) {
FATAL("Unable to read AFRAENTRY.Time");
return false;
}
if (longOffsets) {
if (!ReadUInt64(temp.offset)) {
FATAL("Unable to read AFRAENTRY.Offset");
return false;
}
} else {
uint32_t ui32;
if (!ReadUInt32(ui32)) {
FATAL("Unable to read AFRAENTRY.Offset");
return false;
}
temp.offset = ui32;
}
//FINEST("%" PRIu32 ": AFRAENTRY.Time: %" PRIu64 "; AFRAENTRY.Offset: %" PRIu64, i, temp.time, temp.offset);
ADD_VECTOR_END(_localAccessEntries, temp);
}
if (globalEntries) {
if (!ReadUInt32(_globalEntryCount)) {
FATAL("Unable to read globalEntryCount");
return false;
}
for (uint32_t i = 0; i < _entryCount; i++) {
GLOBALAFRAENTRY temp = {0, 0, 0, 0, 0};
if (!ReadUInt64(temp.time)) {
FATAL("Unable to read AFRAENTRY.Time");
return false;
}
//Segment,fragment
if (longIds) {
if (!ReadUInt32(temp.segment)) {
FATAL("Unable to read GLOBALAFRAENTRY.Segment");
return false;
}
if (!ReadUInt32(temp.fragment)) {
FATAL("Unable to read GLOBALAFRAENTRY.Fragment");
return false;
}
} else {
uint16_t ui16;
if (!ReadUInt16(ui16)) {
FATAL("Unable to read GLOBALAFRAENTRY.Segment");
return false;
}
temp.segment = ui16;
if (!ReadUInt16(ui16)) {
FATAL("Unable to read GLOBALAFRAENTRY.Fragment");
return false;
}
temp.fragment = ui16;
}
//AfraOffset, OffsetFromAfra
if (longOffsets) {
if (!ReadUInt64(temp.afraOffset)) {
FATAL("Unable to read GLOBALAFRAENTRY.AfraOffset");
return false;
}
if (!ReadUInt64(temp.offsetFromAfra)) {
FATAL("Unable to read GLOBALAFRAENTRY.OffsetFromAfra");
return false;
}
} else {
uint32_t ui32;
if (!ReadUInt32(ui32)) {
FATAL("Unable to read GLOBALAFRAENTRY.AfraOffset");
return false;
}
temp.afraOffset = ui32;
if (!ReadUInt32(ui32)) {
FATAL("Unable to read GLOBALAFRAENTRY.OffsetFromAfra");
return false;
}
temp.offsetFromAfra = ui32;
}
// FINEST("%" PRIu32 ": GLOBALAFRAENTRY.Time: %" PRIu64 "; GLOBALAFRAENTRY.Segment: %" PRIu32 "; GLOBALAFRAENTRY.Fragment: %" PRIu32 "; GLOBALAFRAENTRY.AfraOffset: %" PRIu64 "; GLOBALAFRAENTRY.OffsetFromAfra: %" PRIu64,
// i, temp.time, temp.segment, temp.fragment, temp.afraOffset, temp.offsetFromAfra);
ADD_VECTOR_END(_globalAccessEntries, temp);
}
}
//FINEST("%02" PRIx8 "; timeScale: %" PRIu32 "; entryCount: %" PRIu32 "; globalEntryCount: %" PRIu32,
// _flags, _timeScale, _entryCount, _globalEntryCount);
return true;
}
HRESULT CInArchive::ReadHeaders2(CObjectVector<CItemEx> &items, CProgressVirt *progress)
{
items.Clear();
// m_Signature must be kLocalFileHeader or kEcd
// m_Position points to next byte after signature
RINOK(Stream->Seek(m_Position, STREAM_SEEK_SET, NULL));
if (!_inBuffer.Create(1 << 15))
return E_OUTOFMEMORY;
_inBuffer.SetStream(Stream);
bool needReadCd = true;
bool localsWereRead = false;
if (m_Signature == NSignature::kEcd)
{
// It must be empty archive or backware archive
// we don't support backware archive still
const unsigned kBufSize = kEcdSize - 4;
Byte buf[kBufSize];
SafeReadBytes(buf, kBufSize);
CEcd ecd;
ecd.Parse(buf);
// if (ecd.cdSize != 0)
// Do we need also to support the case where empty zip archive with PK00 uses cdOffset = 4 ??
if (!ecd.IsEmptyArc())
return S_FALSE;
ArcInfo.Base = ArcInfo.MarkerPos;
needReadCd = false;
IsArc = true; // check it: we need more tests?
RINOK(Stream->Seek(ArcInfo.MarkerPos2 + 4, STREAM_SEEK_SET, &m_Position));
}
UInt64 cdSize = 0, cdRelatOffset = 0, cdAbsOffset = 0;
HRESULT res = S_OK;
if (needReadCd)
{
CItemEx firstItem;
// try
{
try
{
if (!ReadLocalItem(firstItem))
return S_FALSE;
}
catch(CUnexpectEnd &)
{
return S_FALSE;
}
IsArc = true;
res = ReadCd(items, cdRelatOffset, cdSize, progress);
if (res == S_OK)
m_Signature = ReadUInt32();
}
// catch() { res = S_FALSE; }
if (res != S_FALSE && res != S_OK)
return res;
if (res == S_OK && items.Size() == 0)
res = S_FALSE;
if (res == S_OK)
{
// we can't read local items here to keep _inBufMode state
firstItem.LocalHeaderPos = ArcInfo.MarkerPos2 - ArcInfo.Base;
int index = FindItem(items, firstItem.LocalHeaderPos);
if (index == -1)
res = S_FALSE;
else if (!AreItemsEqual(firstItem, items[index]))
res = S_FALSE;
ArcInfo.CdWasRead = true;
ArcInfo.FirstItemRelatOffset = items[0].LocalHeaderPos;
}
}
CObjectVector<CItemEx> cdItems;
bool needSetBase = false;
unsigned numCdItems = items.Size();
if (res == S_FALSE)
{
// CD doesn't match firstItem so we clear items and read Locals.
items.Clear();
localsWereRead = true;
_inBufMode = false;
ArcInfo.Base = ArcInfo.MarkerPos;
RINOK(Stream->Seek(ArcInfo.MarkerPos2, STREAM_SEEK_SET, &m_Position));
m_Signature = ReadUInt32();
RINOK(ReadLocals(items, progress));
if (m_Signature != NSignature::kCentralFileHeader)
{
m_Position -= 4;
NoCentralDir = true;
HeadersError = true;
return S_OK;
}
_inBufMode = true;
_inBuffer.Init();
cdAbsOffset = m_Position - 4;
for (;;)
{
CItemEx cdItem;
RINOK(ReadCdItem(cdItem));
cdItems.Add(cdItem);
if (progress && cdItems.Size() % 1 == 0)
RINOK(progress->SetCompletedCD(items.Size()));
m_Signature = ReadUInt32();
if (m_Signature != NSignature::kCentralFileHeader)
break;
}
cdSize = (m_Position - 4) - cdAbsOffset;
needSetBase = true;
numCdItems = cdItems.Size();
if (!cdItems.IsEmpty())
{
ArcInfo.CdWasRead = true;
ArcInfo.FirstItemRelatOffset = cdItems[0].LocalHeaderPos;
}
}
CEcd64 ecd64;
bool isZip64 = false;
UInt64 ecd64AbsOffset = m_Position - 4;
if (m_Signature == NSignature::kEcd64)
{
IsZip64 = isZip64 = true;
UInt64 recordSize = ReadUInt64();
const unsigned kBufSize = kEcd64_MainSize;
Byte buf[kBufSize];
SafeReadBytes(buf, kBufSize);
ecd64.Parse(buf);
Skip64(recordSize - kEcd64_MainSize);
m_Signature = ReadUInt32();
if (ecd64.thisDiskNumber != 0 || ecd64.startCDDiskNumber != 0)
return E_NOTIMPL;
if (needSetBase)
{
ArcInfo.Base = cdAbsOffset - ecd64.cdStartOffset;
cdRelatOffset = ecd64.cdStartOffset;
needSetBase = false;
}
if (ecd64.numEntriesInCDOnThisDisk != numCdItems ||
ecd64.numEntriesInCD != numCdItems ||
ecd64.cdSize != cdSize ||
(ecd64.cdStartOffset != cdRelatOffset &&
(!items.IsEmpty())))
return S_FALSE;
}
if (m_Signature == NSignature::kEcd64Locator)
{
if (!isZip64)
return S_FALSE;
/* UInt32 startEndCDDiskNumber = */ ReadUInt32();
UInt64 ecd64RelatOffset = ReadUInt64();
/* UInt32 numberOfDisks = */ ReadUInt32();
if (ecd64AbsOffset != ArcInfo.Base + ecd64RelatOffset)
return S_FALSE;
m_Signature = ReadUInt32();
}
if (m_Signature != NSignature::kEcd)
return S_FALSE;
const unsigned kBufSize = kEcdSize - 4;
Byte buf[kBufSize];
SafeReadBytes(buf, kBufSize);
CEcd ecd;
ecd.Parse(buf);
COPY_ECD_ITEM_16(thisDiskNumber);
COPY_ECD_ITEM_16(startCDDiskNumber);
COPY_ECD_ITEM_16(numEntriesInCDOnThisDisk);
COPY_ECD_ITEM_16(numEntriesInCD);
COPY_ECD_ITEM_32(cdSize);
COPY_ECD_ITEM_32(cdStartOffset);
if (needSetBase)
{
ArcInfo.Base = cdAbsOffset - ecd64.cdStartOffset;
cdRelatOffset = ecd64.cdStartOffset;
needSetBase = false;
}
if (localsWereRead && (UInt64)ArcInfo.Base != ArcInfo.MarkerPos)
{
UInt64 delta = ArcInfo.MarkerPos - ArcInfo.Base;
for (unsigned i = 0; i < items.Size(); i++)
items[i].LocalHeaderPos += delta;
}
// ---------- merge Central Directory Items ----------
if (!cdItems.IsEmpty())
{
for (unsigned i = 0; i < cdItems.Size(); i++)
{
const CItemEx &cdItem = cdItems[i];
int index = FindItem(items, cdItem.LocalHeaderPos);
if (index == -1)
{
items.Add(cdItem);
continue;
}
CItemEx &item = items[index];
if (item.Name != cdItem.Name
// || item.Name.Len() != cdItem.Name.Len()
|| item.PackSize != cdItem.PackSize
|| item.Size != cdItem.Size
// item.ExtractVersion != cdItem.ExtractVersion
|| !FlagsAreSame(item, cdItem)
|| item.Crc != cdItem.Crc)
continue;
// item.LocalHeaderPos = cdItem.LocalHeaderPos;
// item.Name = cdItem.Name;
item.MadeByVersion = cdItem.MadeByVersion;
item.CentralExtra = cdItem.CentralExtra;
item.InternalAttrib = cdItem.InternalAttrib;
item.ExternalAttrib = cdItem.ExternalAttrib;
item.Comment = cdItem.Comment;
item.FromCentral = cdItem.FromCentral;
}
}
if (ecd64.thisDiskNumber != 0 || ecd64.startCDDiskNumber != 0)
return E_NOTIMPL;
if (isZip64)
{
if (ecd64.numEntriesInCDOnThisDisk != items.Size())
HeadersError = true;
}
else
{
// old 7-zip could store 32-bit number of CD items to 16-bit field.
if ((UInt16)ecd64.numEntriesInCDOnThisDisk != (UInt16)numCdItems ||
(UInt16)ecd64.numEntriesInCDOnThisDisk != (UInt16)items.Size())
HeadersError = true;
}
ReadBuffer(ArcInfo.Comment, ecd.commentSize);
_inBufMode = false;
_inBuffer.Free();
if (
(UInt16)ecd64.numEntriesInCD != ((UInt16)numCdItems) ||
(UInt32)ecd64.cdSize != (UInt32)cdSize ||
((UInt32)(ecd64.cdStartOffset) != (UInt32)cdRelatOffset &&
(!items.IsEmpty())))
return S_FALSE;
// printf("\nOpen OK");
return S_OK;
}
ID Packet::ReadID ()
{
return ID (ReadUInt64 ());
}
bool AtomMVHD::ReadData() {
if (_version == 1) {
if (!ReadUInt64(_creationTime)) {
FATAL("Unable to read creation time");
return false;
}
if (!ReadUInt64(_modificationTime)) {
FATAL("Unable to read modification time");
return false;
}
} else {
uint32_t temp;
if (!ReadUInt32(temp)) {
FATAL("Unable to read creation time");
return false;
}
_creationTime = temp;
if (!ReadUInt32(temp)) {
FATAL("Unable to read modification time");
return false;
}
_modificationTime = temp;
}
if (!ReadUInt32(_timeScale)) {
FATAL("Unable to read time scale");
return false;
}
if (_version == 1) {
if (!ReadUInt64(_duration)) {
FATAL("Unable to read duration");
return false;
}
} else {
uint32_t temp;
if (!ReadUInt32(temp)) {
FATAL("Unable to read duration");
return false;
}
_duration = temp;
}
if (!ReadUInt32(_preferredRate)) {
FATAL("Unable to read preferred rate");
return false;
}
if (!ReadUInt16(_preferredVolume)) {
FATAL("Unable to read preferred volume");
return false;
}
if (!ReadArray(_reserved, 10)) {
FATAL("Unable to read reserved");
return false;
}
if (!ReadArray((uint8_t *) _matrixStructure, 36)) {
FATAL("Unable to read matrix structure");
return false;
}
if (!ReadUInt32(_previewTime)) {
FATAL("Unable to read preview time");
return false;
}
if (!ReadUInt32(_previewDuration)) {
FATAL("Unable to read preview duration");
return false;
}
if (!ReadUInt32(_posterTime)) {
FATAL("Unable to read poster time");
return false;
}
if (!ReadUInt32(_selectionTime)) {
FATAL("Unable to read selection time");
return false;
}
if (!ReadUInt32(_selectionDuration)) {
FATAL("Unable to read selection duration");
return false;
}
if (!ReadUInt32(_currentTime)) {
FATAL("Unable to read current time");
return false;
}
if (!ReadUInt32(_nextTrakId)) {
FATAL("Unable to read next track ID");
return false;
}
return true;
}