diff options
Diffstat (limited to 'CPP/7zip/Archive/7z/7zIn.cpp')
| -rw-r--r-- | CPP/7zip/Archive/7z/7zIn.cpp | 136 |
1 files changed, 78 insertions, 58 deletions
diff --git a/CPP/7zip/Archive/7z/7zIn.cpp b/CPP/7zip/Archive/7z/7zIn.cpp index d8c27175..3db5f515 100644 --- a/CPP/7zip/Archive/7z/7zIn.cpp +++ b/CPP/7zip/Archive/7z/7zIn.cpp @@ -32,6 +32,21 @@ using namespace NCOM; namespace NArchive { namespace N7z { +unsigned BoolVector_CountSum(const CBoolVector &v) +{ + unsigned sum = 0; + const unsigned size = v.Size(); + for (unsigned i = 0; i < size; i++) + if (v[i]) + sum++; + return sum; +} + +static inline bool BoolVector_Item_IsValidAndTrue(const CBoolVector &v, unsigned i) +{ + return (i < v.Size() ? v[i] : false); +} + static void BoolVector_Fill_False(CBoolVector &v, unsigned size) { v.ClearAndSetSize(size); @@ -40,6 +55,7 @@ static void BoolVector_Fill_False(CBoolVector &v, unsigned size) p[i] = false; } + class CInArchiveException {}; class CUnsupportedFeatureException: public CInArchiveException {}; @@ -566,21 +582,30 @@ void CInArchive::WaitId(UInt64 id) } } -void CInArchive::ReadHashDigests(unsigned numItems, CUInt32DefVector &crcs) + +void CInArchive::Read_UInt32_Vector(CUInt32DefVector &v) { - ReadBoolVector2(numItems, crcs.Defs); - crcs.Vals.ClearAndSetSize(numItems); - UInt32 *p = &crcs.Vals[0]; - const bool *defs = &crcs.Defs[0]; + unsigned numItems = v.Defs.Size(); + v.Vals.ClearAndSetSize(numItems); + UInt32 *p = &v.Vals[0]; + const bool *defs = &v.Defs[0]; for (unsigned i = 0; i < numItems; i++) { - UInt32 crc = 0; + UInt32 a = 0; if (defs[i]) - crc = ReadUInt32(); - p[i] = crc; + a = ReadUInt32(); + p[i] = a; } } + +void CInArchive::ReadHashDigests(unsigned numItems, CUInt32DefVector &crcs) +{ + ReadBoolVector2(numItems, crcs.Defs); + Read_UInt32_Vector(crcs); +} + + #define k_Scan_NumCoders_MAX 64 #define k_Scan_NumCodersStreams_in_Folder_MAX 64 @@ -1075,6 +1100,8 @@ HRESULT CInArchive::ReadAndDecodePackedStreams( CMyComPtr<ISequentialOutStream> outStream = outStreamSpec; outStreamSpec->Init(data, unpackSize); + bool dataAfterEnd_Error = false; + HRESULT result = decoder.Decode( EXTERNAL_CODECS_LOC_VARS _stream, baseOffset + dataOffset, @@ -1083,16 +1110,23 @@ HRESULT CInArchive::ReadAndDecodePackedStreams( outStream, NULL, // *compressProgress + NULL // **inStreamMainRes + , dataAfterEnd_Error _7Z_DECODER_CRYPRO_VARS #if !defined(_7ZIP_ST) && !defined(_SFX) , false // mtMode , 1 // numThreads #endif + ); + RINOK(result); + if (dataAfterEnd_Error) + ThereIsHeaderError = true; + if (folders.FolderCRCs.ValidAndDefined(i)) if (CrcCalc(data, unpackSize) != folders.FolderCRCs.Vals[i]) ThrowIncorrect(); @@ -1148,19 +1182,10 @@ HRESULT CInArchive::ReadHeader( type = ReadID(); } - db.Files.Clear(); - if (type == NID::kFilesInfo) { const CNum numFiles = ReadNum(); - db.Files.ClearAndSetSize(numFiles); - /* - db.Files.Reserve(numFiles); - CNum i; - for (i = 0; i < numFiles; i++) - db.Files.Add(CFileItem()); - */ db.ArcInfo.FileInfoPopIDs.Add(NID::kSize); // if (!db.PackSizes.IsEmpty()) @@ -1169,7 +1194,6 @@ HRESULT CInArchive::ReadHeader( db.ArcInfo.FileInfoPopIDs.Add(NID::kCRC); CBoolVector emptyStreamVector; - BoolVector_Fill_False(emptyStreamVector, (unsigned)numFiles); CBoolVector emptyFileVector; CBoolVector antiFileVector; CNum numEmptyStreams = 0; @@ -1197,10 +1221,10 @@ HRESULT CInArchive::ReadHeader( size_t rem = _inByteBack->GetRem(); db.NamesBuf.Alloc(rem); ReadBytes(db.NamesBuf, rem); - db.NameOffsets.Alloc(db.Files.Size() + 1); + db.NameOffsets.Alloc(numFiles + 1); size_t pos = 0; unsigned i; - for (i = 0; i < db.Files.Size(); i++) + for (i = 0; i < numFiles; i++) { size_t curRem = (rem - pos) / 2; const UInt16 *buf = (const UInt16 *)(db.NamesBuf + pos); @@ -1216,36 +1240,31 @@ HRESULT CInArchive::ReadHeader( ThereIsHeaderError = true; break; } + case NID::kWinAttrib: { - CBoolVector boolVector; - ReadBoolVector2(db.Files.Size(), boolVector); + ReadBoolVector2(numFiles, db.Attrib.Defs); CStreamSwitch streamSwitch; streamSwitch.Set(this, &dataVector); - for (CNum i = 0; i < numFiles; i++) - { - CFileItem &file = db.Files[i]; - file.AttribDefined = boolVector[i]; - if (file.AttribDefined) - file.Attrib = ReadUInt32(); - } + Read_UInt32_Vector(db.Attrib); break; } + /* case NID::kIsAux: { - ReadBoolVector(db.Files.Size(), db.IsAux); + ReadBoolVector(numFiles, db.IsAux); break; } case NID::kParent: { db.IsTree = true; // CBoolVector boolVector; - // ReadBoolVector2(db.Files.Size(), boolVector); + // ReadBoolVector2(numFiles, boolVector); // CStreamSwitch streamSwitch; // streamSwitch.Set(this, &dataVector); CBoolVector boolVector; - ReadBoolVector2(db.Files.Size(), boolVector); + ReadBoolVector2(numFiles, boolVector); db.ThereAreAltStreams = false; for (i = 0; i < numFiles; i++) @@ -1264,14 +1283,9 @@ HRESULT CInArchive::ReadHeader( case NID::kEmptyStream: { ReadBoolVector(numFiles, emptyStreamVector); - numEmptyStreams = 0; - for (CNum i = 0; i < (CNum)emptyStreamVector.Size(); i++) - if (emptyStreamVector[i]) - numEmptyStreams++; - - BoolVector_Fill_False(emptyFileVector, numEmptyStreams); - BoolVector_Fill_False(antiFileVector, numEmptyStreams); - + numEmptyStreams = BoolVector_CountSum(emptyStreamVector); + emptyFileVector.Clear(); + antiFileVector.Clear(); break; } case NID::kEmptyFile: ReadBoolVector(numEmptyStreams, emptyFileVector); break; @@ -1314,7 +1328,7 @@ HRESULT CInArchive::ReadHeader( ReadBytes(db.SecureBuf + offset, db.SecureOffsets[i + 1] - offset); } db.SecureIDs.Clear(); - for (unsigned i = 0; i < db.Files.Size(); i++) + for (unsigned i = 0; i < numFiles; i++) { db.SecureIDs.Add(ReadNum()); // db.SecureIDs.Add(ReadUInt32()); @@ -1359,22 +1373,21 @@ HRESULT CInArchive::ReadHeader( CNum emptyFileIndex = 0; CNum sizeIndex = 0; - CNum numAntiItems = 0; + const CNum numAntiItems = BoolVector_CountSum(antiFileVector); - CNum i; + if (numAntiItems != 0) + db.IsAnti.ClearAndSetSize(numFiles); - for (i = 0; i < numEmptyStreams; i++) - if (antiFileVector[i]) - numAntiItems++; + db.Files.ClearAndSetSize(numFiles); - for (i = 0; i < numFiles; i++) + for (CNum i = 0; i < numFiles; i++) { CFileItem &file = db.Files[i]; bool isAnti; - file.HasStream = !emptyStreamVector[i]; file.Crc = 0; - if (file.HasStream) + if (!BoolVector_Item_IsValidAndTrue(emptyStreamVector, i)) { + file.HasStream = true; file.IsDir = false; isAnti = false; file.Size = unpackSizes[sizeIndex]; @@ -1385,26 +1398,31 @@ HRESULT CInArchive::ReadHeader( } else { - file.IsDir = !emptyFileVector[emptyFileIndex]; - isAnti = antiFileVector[emptyFileIndex]; + file.HasStream = false; + file.IsDir = !BoolVector_Item_IsValidAndTrue(emptyFileVector, emptyFileIndex); + isAnti = BoolVector_Item_IsValidAndTrue(antiFileVector, emptyFileIndex); emptyFileIndex++; file.Size = 0; file.CrcDefined = false; } if (numAntiItems != 0) - db.IsAnti.Add(isAnti); + db.IsAnti[i] = isAnti; } + } + db.FillLinks(); - /* - if (type != NID::kEnd) - ThrowIncorrect(); - if (_inByteBack->GetRem() != 0) - ThrowIncorrect(); - */ + + if (type != NID::kEnd || _inByteBack->GetRem() != 0) + { + db.UnsupportedFeatureWarning = true; + // ThrowIncorrect(); + } + return S_OK; } + void CDbEx::FillLinks() { FolderStartFileIndex.Alloc(NumFolders); @@ -1466,6 +1484,7 @@ void CDbEx::FillLinks() } } + HRESULT CInArchive::ReadDatabase2( DECL_EXTERNAL_CODECS_LOC_VARS CDbEx &db @@ -1610,6 +1629,7 @@ HRESULT CInArchive::ReadDatabase2( ); } + HRESULT CInArchive::ReadDatabase( DECL_EXTERNAL_CODECS_LOC_VARS CDbEx &db |