diff options
Diffstat (limited to 'src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/7z/7zHandler.cpp')
| -rw-r--r-- | src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/7z/7zHandler.cpp | 753 |
1 files changed, 753 insertions, 0 deletions
diff --git a/src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/7z/7zHandler.cpp b/src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/7z/7zHandler.cpp new file mode 100644 index 000000000..ed65dc20c --- /dev/null +++ b/src/libs/3rdparty/7zip/unix/CPP/7zip/Archive/7z/7zHandler.cpp @@ -0,0 +1,753 @@ +// 7zHandler.cpp + +#include "StdAfx.h" + +#include "../../../../C/CpuArch.h" + +#include "../../../Common/ComTry.h" +#include "../../../Common/IntToString.h" + +#ifndef __7Z_SET_PROPERTIES +#include "../../../Windows/System.h" +#endif + +#include "../Common/ItemNameUtils.h" + +#include "7zHandler.h" +#include "7zProperties.h" + +#ifdef __7Z_SET_PROPERTIES +#ifdef EXTRACT_ONLY +#include "../Common/ParseProperties.h" +#endif +#endif + +using namespace NWindows; +using namespace NCOM; + +namespace NArchive { +namespace N7z { + +CHandler::CHandler() +{ + #ifndef _NO_CRYPTO + _isEncrypted = false; + _passwordIsDefined = false; + #endif + + #ifdef EXTRACT_ONLY + _crcSize = 4; + #ifdef __7Z_SET_PROPERTIES + _numThreads = NSystem::GetNumberOfProcessors(); + #endif + #endif +} + +STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems) +{ + *numItems = _db.Files.Size(); + return S_OK; +} + +#ifdef _SFX + +IMP_IInArchive_ArcProps_NO_Table + +STDMETHODIMP CHandler::GetNumberOfProperties(UInt32 *numProps) +{ + *numProps = 0; + return S_OK; +} + +STDMETHODIMP CHandler::GetPropertyInfo(UInt32 /* index */, + BSTR * /* name */, PROPID * /* propID */, VARTYPE * /* varType */) +{ + return E_NOTIMPL; +} + +#else + +static const Byte kArcProps[] = +{ + kpidHeadersSize, + kpidMethod, + kpidSolid, + kpidNumBlocks + // , kpidIsTree +}; + +IMP_IInArchive_ArcProps + +static inline char GetHex(unsigned value) +{ + return (char)((value < 10) ? ('0' + value) : ('A' + (value - 10))); +} + +static unsigned ConvertMethodIdToString_Back(char *s, UInt64 id) +{ + int len = 0; + do + { + s[--len] = GetHex((unsigned)id & 0xF); id >>= 4; + s[--len] = GetHex((unsigned)id & 0xF); id >>= 4; + } + while (id != 0); + return (unsigned)-len; +} + +static void ConvertMethodIdToString(AString &res, UInt64 id) +{ + const unsigned kLen = 32; + char s[kLen]; + unsigned len = kLen - 1; + s[len] = 0; + res += s + len - ConvertMethodIdToString_Back(s + len, id); +} + +static unsigned GetStringForSizeValue(char *s, UInt32 val) +{ + unsigned i; + for (i = 0; i <= 31; i++) + if (((UInt32)1 << i) == val) + { + if (i < 10) + { + s[0] = (char)('0' + i); + s[1] = 0; + return 1; + } + if (i < 20) { s[0] = '1'; s[1] = (char)('0' + i - 10); } + else if (i < 30) { s[0] = '2'; s[1] = (char)('0' + i - 20); } + else { s[0] = '3'; s[1] = (char)('0' + i - 30); } + s[2] = 0; + return 2; + } + char c = 'b'; + if ((val & ((1 << 20) - 1)) == 0) { val >>= 20; c = 'm'; } + else if ((val & ((1 << 10) - 1)) == 0) { val >>= 10; c = 'k'; } + ::ConvertUInt32ToString(val, s); + unsigned pos = MyStringLen(s); + s[pos++] = c; + s[pos] = 0; + return pos; +} + +/* +static inline void AddHexToString(UString &res, Byte value) +{ + res += GetHex((Byte)(value >> 4)); + res += GetHex((Byte)(value & 0xF)); +} +*/ + +static char *AddProp32(char *s, const char *name, UInt32 v) +{ + *s++ = ':'; + s = MyStpCpy(s, name); + ::ConvertUInt32ToString(v, s); + return s + MyStringLen(s); +} + +void CHandler::AddMethodName(AString &s, UInt64 id) +{ + UString methodName; + FindMethod(EXTERNAL_CODECS_VARS id, methodName); + if (methodName.IsEmpty()) + { + for (unsigned i = 0; i < methodName.Len(); i++) + if (methodName[i] >= 0x80) + { + methodName.Empty(); + break; + } + } + if (methodName.IsEmpty()) + ConvertMethodIdToString(s, id); + else + for (unsigned i = 0; i < methodName.Len(); i++) + s += (char)methodName[i]; +} + +#endif + +STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value) +{ + #ifndef _SFX + COM_TRY_BEGIN + #endif + NCOM::CPropVariant prop; + switch (propID) + { + #ifndef _SFX + case kpidMethod: + { + AString s; + const CParsedMethods &pm = _db.ParsedMethods; + FOR_VECTOR (i, pm.IDs) + { + UInt64 id = pm.IDs[i]; + if (!s.IsEmpty()) + s += ' '; + char temp[16]; + if (id == k_LZMA2) + { + s += "LZMA2:"; + if ((pm.Lzma2Prop & 1) == 0) + ConvertUInt32ToString((pm.Lzma2Prop >> 1) + 12, temp); + else + GetStringForSizeValue(temp, 3 << ((pm.Lzma2Prop >> 1) + 11)); + s += temp; + } + else if (id == k_LZMA) + { + s += "LZMA:"; + GetStringForSizeValue(temp, pm.LzmaDic); + s += temp; + } + else + AddMethodName(s, id); + } + prop = s; + break; + } + case kpidSolid: prop = _db.IsSolid(); break; + case kpidNumBlocks: prop = (UInt32)_db.NumFolders; break; + case kpidHeadersSize: prop = _db.HeadersSize; break; + case kpidPhySize: prop = _db.PhySize; break; + case kpidOffset: if (_db.ArcInfo.StartPosition != 0) prop = _db.ArcInfo.StartPosition; break; + /* + case kpidIsTree: if (_db.IsTree) prop = true; break; + case kpidIsAltStream: if (_db.ThereAreAltStreams) prop = true; break; + case kpidIsAux: if (_db.IsTree) prop = true; break; + */ + // case kpidError: if (_db.ThereIsHeaderError) prop = "Header error"; break; + #endif + + case kpidWarningFlags: + { + UInt32 v = 0; + if (_db.StartHeaderWasRecovered) v |= kpv_ErrorFlags_HeadersError; + if (_db.UnsupportedFeatureWarning) v |= kpv_ErrorFlags_UnsupportedFeature; + if (v != 0) + prop = v; + break; + } + + case kpidErrorFlags: + { + UInt32 v = 0; + if (!_db.IsArc) v |= kpv_ErrorFlags_IsNotArc; + if (_db.ThereIsHeaderError) v |= kpv_ErrorFlags_HeadersError; + if (_db.UnexpectedEnd) v |= kpv_ErrorFlags_UnexpectedEnd; + // if (_db.UnsupportedVersion) v |= kpv_ErrorFlags_Unsupported; + if (_db.UnsupportedFeatureError) v |= kpv_ErrorFlags_UnsupportedFeature; + prop = v; + break; + } + } + prop.Detach(value); + return S_OK; + #ifndef _SFX + COM_TRY_END + #endif +} + +static void SetFileTimeProp_From_UInt64Def(PROPVARIANT *prop, const CUInt64DefVector &v, int index) +{ + UInt64 value; + if (v.GetItem(index, value)) + PropVarEm_Set_FileTime64(prop, value); +} + +bool CHandler::IsFolderEncrypted(CNum folderIndex) const +{ + if (folderIndex == kNumNoIndex) + return false; + size_t startPos = _db.FoCodersDataOffset[folderIndex]; + const Byte *p = _db.CodersData + startPos; + size_t size = _db.FoCodersDataOffset[folderIndex + 1] - startPos; + CInByte2 inByte; + inByte.Init(p, size); + + CNum numCoders = inByte.ReadNum(); + for (; numCoders != 0; numCoders--) + { + Byte mainByte = inByte.ReadByte(); + unsigned idSize = (mainByte & 0xF); + const Byte *longID = inByte.GetPtr(); + UInt64 id64 = 0; + for (unsigned j = 0; j < idSize; j++) + id64 = ((id64 << 8) | longID[j]); + inByte.SkipDataNoCheck(idSize); + if (id64 == k_AES) + return true; + if ((mainByte & 0x20) != 0) + inByte.SkipDataNoCheck(inByte.ReadNum()); + } + return false; +} + +STDMETHODIMP CHandler::GetNumRawProps(UInt32 *numProps) +{ + *numProps = 0; + return S_OK; +} + +STDMETHODIMP CHandler::GetRawPropInfo(UInt32 /* index */, BSTR *name, PROPID *propID) +{ + *name = NULL; + *propID = kpidNtSecure; + return S_OK; +} + +STDMETHODIMP CHandler::GetParent(UInt32 /* index */, UInt32 *parent, UInt32 *parentType) +{ + /* + const CFileItem &file = _db.Files[index]; + *parentType = (file.IsAltStream ? NParentType::kAltStream : NParentType::kDir); + *parent = (UInt32)(Int32)file.Parent; + */ + *parentType = NParentType::kDir; + *parent = (UInt32)(Int32)-1; + return S_OK; +} + +STDMETHODIMP CHandler::GetRawProp(UInt32 index, PROPID propID, const void **data, UInt32 *dataSize, UInt32 *propType) +{ + *data = NULL; + *dataSize = 0; + *propType = 0; + + if (/* _db.IsTree && propID == kpidName || + !_db.IsTree && */ propID == kpidPath) + { + if (_db.NameOffsets && _db.NamesBuf) + { + size_t offset = _db.NameOffsets[index]; + size_t size = (_db.NameOffsets[index + 1] - offset) * 2; + if (size < ((UInt32)1 << 31)) + { + *data = (const void *)(_db.NamesBuf + offset * 2); + *dataSize = (UInt32)size; + *propType = NPropDataType::kUtf16z; + } + } + return S_OK; + } + /* + if (propID == kpidNtSecure) + { + if (index < (UInt32)_db.SecureIDs.Size()) + { + int id = _db.SecureIDs[index]; + size_t offs = _db.SecureOffsets[id]; + size_t size = _db.SecureOffsets[id + 1] - offs; + if (size >= 0) + { + *data = _db.SecureBuf + offs; + *dataSize = (UInt32)size; + *propType = NPropDataType::kRaw; + } + } + } + */ + return S_OK; +} + +#ifndef _SFX + +HRESULT CHandler::SetMethodToProp(CNum folderIndex, PROPVARIANT *prop) const +{ + PropVariant_Clear(prop); + if (folderIndex == kNumNoIndex) + return S_OK; + // for (int ttt = 0; ttt < 1; ttt++) { + const unsigned kTempSize = 256; + char temp[kTempSize]; + unsigned pos = kTempSize; + temp[--pos] = 0; + + size_t startPos = _db.FoCodersDataOffset[folderIndex]; + const Byte *p = _db.CodersData + startPos; + size_t size = _db.FoCodersDataOffset[folderIndex + 1] - startPos; + CInByte2 inByte; + inByte.Init(p, size); + + // numCoders == 0 ??? + CNum numCoders = inByte.ReadNum(); + bool needSpace = false; + for (; numCoders != 0; numCoders--, needSpace = true) + { + if (pos < 32) // max size of property + break; + Byte mainByte = inByte.ReadByte(); + unsigned idSize = (mainByte & 0xF); + const Byte *longID = inByte.GetPtr(); + UInt64 id64 = 0; + for (unsigned j = 0; j < idSize; j++) + id64 = ((id64 << 8) | longID[j]); + inByte.SkipDataNoCheck(idSize); + + if ((mainByte & 0x10) != 0) + { + inByte.ReadNum(); // NumInStreams + inByte.ReadNum(); // NumOutStreams + } + + CNum propsSize = 0; + const Byte *props = NULL; + if ((mainByte & 0x20) != 0) + { + propsSize = inByte.ReadNum(); + props = inByte.GetPtr(); + inByte.SkipDataNoCheck(propsSize); + } + + const char *name = NULL; + char s[32]; + s[0] = 0; + + if (id64 <= (UInt32)0xFFFFFFFF) + { + UInt32 id = (UInt32)id64; + if (id == k_LZMA) + { + name = "LZMA"; + if (propsSize == 5) + { + UInt32 dicSize = GetUi32((const Byte *)props + 1); + char *dest = s + GetStringForSizeValue(s, dicSize); + UInt32 d = props[0]; + if (d != 0x5D) + { + UInt32 lc = d % 9; + d /= 9; + UInt32 pb = d / 5; + UInt32 lp = d % 5; + if (lc != 3) dest = AddProp32(dest, "lc", lc); + if (lp != 0) dest = AddProp32(dest, "lp", lp); + if (pb != 2) dest = AddProp32(dest, "pb", pb); + } + } + } + else if (id == k_LZMA2) + { + name = "LZMA2"; + if (propsSize == 1) + { + Byte p = props[0]; + if ((p & 1) == 0) + ConvertUInt32ToString((UInt32)((p >> 1) + 12), s); + else + GetStringForSizeValue(s, 3 << ((p >> 1) + 11)); + } + } + else if (id == k_PPMD) + { + name = "PPMD"; + if (propsSize == 5) + { + Byte order = *props; + char *dest = s; + *dest++ = 'o'; + ConvertUInt32ToString(order, dest); + dest += MyStringLen(dest); + dest = MyStpCpy(dest, ":mem"); + GetStringForSizeValue(dest, GetUi32(props + 1)); + } + } + else if (id == k_Delta) + { + name = "Delta"; + if (propsSize == 1) + ConvertUInt32ToString((UInt32)props[0] + 1, s); + } + else if (id == k_BCJ2) name = "BCJ2"; + else if (id == k_BCJ) name = "BCJ"; + else if (id == k_AES) + { + name = "7zAES"; + if (propsSize >= 1) + { + Byte firstByte = props[0]; + UInt32 numCyclesPower = firstByte & 0x3F; + ConvertUInt32ToString(numCyclesPower, s); + } + } + } + + if (name) + { + unsigned nameLen = MyStringLen(name); + unsigned propsLen = MyStringLen(s); + unsigned totalLen = nameLen + propsLen; + if (propsLen != 0) + totalLen++; + if (needSpace) + totalLen++; + if (totalLen + 5 >= pos) + break; + pos -= totalLen; + MyStringCopy(temp + pos, name); + if (propsLen != 0) + { + char *dest = temp + pos + nameLen; + *dest++ = ':'; + MyStringCopy(dest, s); + } + if (needSpace) + temp[pos + totalLen - 1] = ' '; + } + else + { + UString methodName; + FindMethod(EXTERNAL_CODECS_VARS id64, methodName); + if (methodName.IsEmpty()) + { + for (unsigned j = 0; j < methodName.Len(); j++) + if (methodName[j] >= 0x80) + { + methodName.Empty(); + break; + } + } + if (needSpace) + temp[--pos] = ' '; + if (methodName.IsEmpty()) + pos -= ConvertMethodIdToString_Back(temp + pos, id64); + else + { + unsigned len = methodName.Len(); + if (len + 5 > pos) + break; + pos -= len; + for (unsigned i = 0; i < len; i++) + temp[pos + i] = (char)methodName[i]; + } + } + } + if (numCoders != 0 && pos >= 4) + { + temp[--pos] = ' '; + temp[--pos] = '.'; + temp[--pos] = '.'; + temp[--pos] = '.'; + } + return PropVarEm_Set_Str(prop, temp + pos); + // } +} + +#endif + +STDMETHODIMP CHandler::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value) +{ + PropVariant_Clear(value); + // COM_TRY_BEGIN + // NCOM::CPropVariant prop; + + /* + const CRef2 &ref2 = _refs[index]; + if (ref2.Refs.IsEmpty()) + return E_FAIL; + const CRef &ref = ref2.Refs.Front(); + */ + + const CFileItem &item = _db.Files[index]; + UInt32 index2 = index; + + switch(propID) + { + case kpidIsDir: PropVarEm_Set_Bool(value, item.IsDir); break; + case kpidSize: + { + PropVarEm_Set_UInt64(value, item.Size); + // prop = ref2.Size; + break; + } + case kpidPackSize: + { + // prop = ref2.PackSize; + { + CNum folderIndex = _db.FileIndexToFolderIndexMap[index2]; + if (folderIndex != kNumNoIndex) + { + if (_db.FolderStartFileIndex[folderIndex] == (CNum)index2) + PropVarEm_Set_UInt64(value, _db.GetFolderFullPackSize(folderIndex)); + /* + else + PropVarEm_Set_UInt64(value, 0); + */ + } + else + PropVarEm_Set_UInt64(value, 0); + } + break; + } + // case kpidIsAux: prop = _db.IsItemAux(index2); break; + case kpidPosition: { UInt64 v; if (_db.StartPos.GetItem(index2, v)) PropVarEm_Set_UInt64(value, v); break; } + case kpidCTime: SetFileTimeProp_From_UInt64Def(value, _db.CTime, index2); break; + case kpidATime: SetFileTimeProp_From_UInt64Def(value, _db.ATime, index2); break; + case kpidMTime: SetFileTimeProp_From_UInt64Def(value, _db.MTime, index2); break; + case kpidAttrib: if (item.AttribDefined) PropVarEm_Set_UInt32(value, item.Attrib); break; + case kpidCRC: if (item.CrcDefined) PropVarEm_Set_UInt32(value, item.Crc); break; + case kpidEncrypted: PropVarEm_Set_Bool(value, IsFolderEncrypted(_db.FileIndexToFolderIndexMap[index2])); break; + case kpidIsAnti: PropVarEm_Set_Bool(value, _db.IsItemAnti(index2)); break; + /* + case kpidIsAltStream: prop = item.IsAltStream; break; + case kpidNtSecure: + { + int id = _db.SecureIDs[index]; + size_t offs = _db.SecureOffsets[id]; + size_t size = _db.SecureOffsets[id + 1] - offs; + if (size >= 0) + { + prop.SetBlob(_db.SecureBuf + offs, (ULONG)size); + } + break; + } + */ + + case kpidPath: return _db.GetPath_Prop(index, value); + #ifndef _SFX + case kpidMethod: return SetMethodToProp(_db.FileIndexToFolderIndexMap[index2], value); + case kpidBlock: + { + CNum folderIndex = _db.FileIndexToFolderIndexMap[index2]; + if (folderIndex != kNumNoIndex) + PropVarEm_Set_UInt32(value, (UInt32)folderIndex); + } + break; + case kpidPackedSize0: + case kpidPackedSize1: + case kpidPackedSize2: + case kpidPackedSize3: + case kpidPackedSize4: + { + /* + CNum folderIndex = _db.FileIndexToFolderIndexMap[index2]; + if (folderIndex != kNumNoIndex) + { + const CFolder &folderInfo = _db.Folders[folderIndex]; + if (_db.FolderStartFileIndex[folderIndex] == (CNum)index2 && + folderInfo.PackStreams.Size() > (int)(propID - kpidPackedSize0)) + { + prop = _db.GetFolderPackStreamSize(folderIndex, propID - kpidPackedSize0); + } + else + prop = (UInt64)0; + } + else + prop = (UInt64)0; + */ + } + break; + #endif + } + // prop.Detach(value); + return S_OK; + // COM_TRY_END +} + +STDMETHODIMP CHandler::Open(IInStream *stream, + const UInt64 *maxCheckStartPosition, + IArchiveOpenCallback *openArchiveCallback) +{ + COM_TRY_BEGIN + Close(); + #ifndef _SFX + _fileInfoPopIDs.Clear(); + #endif + + try + { + CMyComPtr<IArchiveOpenCallback> openArchiveCallbackTemp = openArchiveCallback; + + #ifndef _NO_CRYPTO + CMyComPtr<ICryptoGetTextPassword> getTextPassword; + if (openArchiveCallback) + openArchiveCallbackTemp.QueryInterface(IID_ICryptoGetTextPassword, &getTextPassword); + #endif + + CInArchive archive; + _db.IsArc = false; + RINOK(archive.Open(stream, maxCheckStartPosition)); + _db.IsArc = true; + + HRESULT result = archive.ReadDatabase( + EXTERNAL_CODECS_VARS + _db + #ifndef _NO_CRYPTO + , getTextPassword, _isEncrypted, _passwordIsDefined + #endif + ); + RINOK(result); + + _inStream = stream; + } + catch(...) + { + Close(); + // return E_INVALIDARG; + // we must return out_of_memory here + return S_FALSE; + } + // _inStream = stream; + #ifndef _SFX + FillPopIDs(); + #endif + return S_OK; + COM_TRY_END +} + +STDMETHODIMP CHandler::Close() +{ + COM_TRY_BEGIN + _inStream.Release(); + _db.Clear(); + #ifndef _NO_CRYPTO + _isEncrypted = false; + _passwordIsDefined = false; + #endif + return S_OK; + COM_TRY_END +} + +#ifdef __7Z_SET_PROPERTIES +#ifdef EXTRACT_ONLY + +STDMETHODIMP CHandler::SetProperties(const wchar_t **names, const PROPVARIANT *values, UInt32 numProps) +{ + COM_TRY_BEGIN + const UInt32 numProcessors = NSystem::GetNumberOfProcessors(); + _numThreads = numProcessors; + + for (UInt32 i = 0; i < numProps; i++) + { + UString name = names[i]; + name.MakeLower_Ascii(); + if (name.IsEmpty()) + return E_INVALIDARG; + const PROPVARIANT &value = values[i]; + UInt32 number; + int index = ParseStringToUInt32(name, number); + if (index == 0) + { + if (name.IsPrefixedBy(L"mt")) + { + RINOK(ParseMtProp(name.Ptr(2), value, numProcessors, _numThreads)); + continue; + } + else + return E_INVALIDARG; + } + } + return S_OK; + COM_TRY_END +} + +#endif +#endif + +IMPL_ISetCompressCodecsInfo + +}} |