diff options
Diffstat (limited to 'other-licenses/7zstub/src/7zip/Archive/7z/7zHandler.cpp')
| -rw-r--r-- | other-licenses/7zstub/src/7zip/Archive/7z/7zHandler.cpp | 757 |
1 files changed, 757 insertions, 0 deletions
diff --git a/other-licenses/7zstub/src/7zip/Archive/7z/7zHandler.cpp b/other-licenses/7zstub/src/7zip/Archive/7z/7zHandler.cpp new file mode 100644 index 000000000..b6f492aea --- /dev/null +++ b/other-licenses/7zstub/src/7zip/Archive/7z/7zHandler.cpp @@ -0,0 +1,757 @@ +// 7zHandler.cpp
+
+#include "StdAfx.h"
+
+#include "7zHandler.h"
+#include "7zProperties.h"
+
+#include "../../../Common/IntToString.h"
+#include "../../../Common/ComTry.h"
+#include "../../../Windows/Defs.h"
+
+#include "../Common/ItemNameUtils.h"
+#ifdef _7Z_VOL
+#include "../Common/MultiStream.h"
+#endif
+
+#ifdef __7Z_SET_PROPERTIES
+#ifdef EXTRACT_ONLY
+#include "../Common/ParseProperties.h"
+#endif
+#endif
+
+using namespace NWindows;
+
+namespace NArchive {
+namespace N7z {
+
+CHandler::CHandler()
+{
+ #ifdef COMPRESS_MT
+ _numThreads = NWindows::NSystem::GetNumberOfProcessors();
+ #endif
+ #ifndef EXTRACT_ONLY
+ Init();
+ #endif
+ #ifndef EXCLUDE_COM
+ LoadMethodMap();
+ #endif
+}
+
+STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
+{
+ COM_TRY_BEGIN
+ *numItems =
+ #ifdef _7Z_VOL
+ _refs.Size();
+ #else
+ *numItems = _database.Files.Size();
+ #endif
+ return S_OK;
+ COM_TRY_END
+}
+
+STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value)
+{
+ value->vt = VT_EMPTY;
+ return S_OK;
+}
+
+#ifdef _SFX
+
+STDMETHODIMP CHandler::GetNumberOfProperties(UInt32 *numProperties)
+{
+ return E_NOTIMPL;
+}
+
+STDMETHODIMP CHandler::GetPropertyInfo(UInt32 index,
+ BSTR *name, PROPID *propID, VARTYPE *varType)
+{
+ return E_NOTIMPL;
+}
+
+#endif
+
+
+STDMETHODIMP CHandler::GetNumberOfArchiveProperties(UInt32 *numProperties)
+{
+ *numProperties = 0;
+ return S_OK;
+}
+
+STDMETHODIMP CHandler::GetArchivePropertyInfo(UInt32 index,
+ BSTR *name, PROPID *propID, VARTYPE *varType)
+{
+ return E_NOTIMPL;
+}
+
+
+static void MySetFileTime(bool timeDefined, FILETIME unixTime,
+ NWindows::NCOM::CPropVariant &propVariant)
+{
+ if (timeDefined)
+ propVariant = unixTime;
+}
+
+/*
+inline static wchar_t GetHex(Byte value)
+{
+ return (value < 10) ? ('0' + value) : ('A' + (value - 10));
+}
+
+static UString ConvertBytesToHexString(const Byte *data, UInt32 size)
+{
+ UString result;
+ for (UInt32 i = 0; i < size; i++)
+ {
+ Byte b = data[i];
+ result += GetHex(b >> 4);
+ result += GetHex(b & 0xF);
+ }
+ return result;
+}
+*/
+
+
+#ifndef _SFX
+
+static UString ConvertUInt32ToString(UInt32 value)
+{
+ wchar_t buffer[32];
+ ConvertUInt64ToString(value, buffer);
+ return buffer;
+}
+
+static UString GetStringForSizeValue(UInt32 value)
+{
+ for (int i = 31; i >= 0; i--)
+ if ((UInt32(1) << i) == value)
+ return ConvertUInt32ToString(i);
+ UString result;
+ if (value % (1 << 20) == 0)
+ {
+ result += ConvertUInt32ToString(value >> 20);
+ result += L"m";
+ }
+ else if (value % (1 << 10) == 0)
+ {
+ result += ConvertUInt32ToString(value >> 10);
+ result += L"k";
+ }
+ else
+ {
+ result += ConvertUInt32ToString(value);
+ result += L"b";
+ }
+ return result;
+}
+
+static CMethodID k_Copy = { { 0x0 }, 1 };
+static CMethodID k_LZMA = { { 0x3, 0x1, 0x1 }, 3 };
+static CMethodID k_BCJ = { { 0x3, 0x3, 0x1, 0x3 }, 4 };
+static CMethodID k_BCJ2 = { { 0x3, 0x3, 0x1, 0x1B }, 4 };
+static CMethodID k_PPMD = { { 0x3, 0x4, 0x1 }, 3 };
+static CMethodID k_Deflate = { { 0x4, 0x1, 0x8 }, 3 };
+static CMethodID k_BZip2 = { { 0x4, 0x2, 0x2 }, 3 };
+
+static inline char GetHex(Byte value)
+{
+ return (value < 10) ? ('0' + value) : ('A' + (value - 10));
+}
+static inline UString GetHex2(Byte value)
+{
+ UString result;
+ result += GetHex(value >> 4);
+ result += GetHex(value & 0xF);
+ return result;
+}
+
+#endif
+
+static inline UInt32 GetUInt32FromMemLE(const Byte *p)
+{
+ return p[0] | (((UInt32)p[1]) << 8) | (((UInt32)p[2]) << 16) | (((UInt32)p[3]) << 24);
+}
+
+STDMETHODIMP CHandler::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value)
+{
+ COM_TRY_BEGIN
+ NWindows::NCOM::CPropVariant propVariant;
+
+ /*
+ const CRef2 &ref2 = _refs[index];
+ if (ref2.Refs.IsEmpty())
+ return E_FAIL;
+ const CRef &ref = ref2.Refs.Front();
+ */
+
+ #ifdef _7Z_VOL
+ const CRef &ref = _refs[index];
+ const CVolume &volume = _volumes[ref.VolumeIndex];
+ const CArchiveDatabaseEx &_database = volume.Database;
+ UInt32 index2 = ref.ItemIndex;
+ const CFileItem &item = _database.Files[index2];
+ #else
+ const CFileItem &item = _database.Files[index];
+ UInt32 index2 = index;
+ #endif
+
+ switch(propID)
+ {
+ case kpidPath:
+ {
+ if (!item.Name.IsEmpty())
+ propVariant = NItemName::GetOSName(item.Name);
+ break;
+ }
+ case kpidIsFolder:
+ propVariant = item.IsDirectory;
+ break;
+ case kpidSize:
+ {
+ propVariant = item.UnPackSize;
+ // propVariant = ref2.UnPackSize;
+ break;
+ }
+ case kpidPosition:
+ {
+ /*
+ if (ref2.Refs.Size() > 1)
+ propVariant = ref2.StartPos;
+ else
+ */
+ if (item.IsStartPosDefined)
+ propVariant = item.StartPos;
+ break;
+ }
+ case kpidPackedSize:
+ {
+ // propVariant = ref2.PackSize;
+ {
+ CNum folderIndex = _database.FileIndexToFolderIndexMap[index2];
+ if (folderIndex != kNumNoIndex)
+ {
+ if (_database.FolderStartFileIndex[folderIndex] == (CNum)index2)
+ propVariant = _database.GetFolderFullPackSize(folderIndex);
+ /*
+ else
+ propVariant = UInt64(0);
+ */
+ }
+ else
+ propVariant = UInt64(0);
+ }
+ break;
+ }
+ case kpidLastAccessTime:
+ MySetFileTime(item.IsLastAccessTimeDefined, item.LastAccessTime, propVariant);
+ break;
+ case kpidCreationTime:
+ MySetFileTime(item.IsCreationTimeDefined, item.CreationTime, propVariant);
+ break;
+ case kpidLastWriteTime:
+ MySetFileTime(item.IsLastWriteTimeDefined, item.LastWriteTime, propVariant);
+ break;
+ case kpidAttributes:
+ if (item.AreAttributesDefined)
+ propVariant = item.Attributes;
+ break;
+ case kpidCRC:
+ if (item.IsFileCRCDefined)
+ propVariant = item.FileCRC;
+ break;
+ #ifndef _SFX
+ case kpidMethod:
+ {
+ CNum folderIndex = _database.FileIndexToFolderIndexMap[index2];
+ if (folderIndex != kNumNoIndex)
+ {
+ const CFolder &folderInfo = _database.Folders[folderIndex];
+ UString methodsString;
+ for (int i = folderInfo.Coders.Size() - 1; i >= 0; i--)
+ {
+ const CCoderInfo &coderInfo = folderInfo.Coders[i];
+ if (!methodsString.IsEmpty())
+ methodsString += L' ';
+ CMethodInfo methodInfo;
+
+ bool methodIsKnown;
+
+ for (int j = 0; j < coderInfo.AltCoders.Size(); j++)
+ {
+ if (j > 0)
+ methodsString += L"|";
+ const CAltCoderInfo &altCoderInfo = coderInfo.AltCoders[j];
+
+ UString methodName;
+ #ifdef NO_REGISTRY
+
+ methodIsKnown = true;
+ if (altCoderInfo.MethodID == k_Copy)
+ methodName = L"Copy";
+ else if (altCoderInfo.MethodID == k_LZMA)
+ methodName = L"LZMA";
+ else if (altCoderInfo.MethodID == k_BCJ)
+ methodName = L"BCJ";
+ else if (altCoderInfo.MethodID == k_BCJ2)
+ methodName = L"BCJ2";
+ else if (altCoderInfo.MethodID == k_PPMD)
+ methodName = L"PPMD";
+ else if (altCoderInfo.MethodID == k_Deflate)
+ methodName = L"Deflate";
+ else if (altCoderInfo.MethodID == k_BZip2)
+ methodName = L"BZip2";
+ else
+ methodIsKnown = false;
+
+ #else
+
+ methodIsKnown = GetMethodInfo(
+ altCoderInfo.MethodID, methodInfo);
+ methodName = methodInfo.Name;
+
+ #endif
+
+ if (methodIsKnown)
+ {
+ methodsString += methodName;
+ if (altCoderInfo.MethodID == k_LZMA)
+ {
+ if (altCoderInfo.Properties.GetCapacity() >= 5)
+ {
+ methodsString += L":";
+ UInt32 dicSize = GetUInt32FromMemLE(
+ ((const Byte *)altCoderInfo.Properties + 1));
+ methodsString += GetStringForSizeValue(dicSize);
+ }
+ }
+ else if (altCoderInfo.MethodID == k_PPMD)
+ {
+ if (altCoderInfo.Properties.GetCapacity() >= 5)
+ {
+ Byte order = *(const Byte *)altCoderInfo.Properties;
+ methodsString += L":o";
+ methodsString += ConvertUInt32ToString(order);
+ methodsString += L":mem";
+ UInt32 dicSize = GetUInt32FromMemLE(
+ ((const Byte *)altCoderInfo.Properties + 1));
+ methodsString += GetStringForSizeValue(dicSize);
+ }
+ }
+ else
+ {
+ if (altCoderInfo.Properties.GetCapacity() > 0)
+ {
+ methodsString += L":[";
+ for (size_t bi = 0; bi < altCoderInfo.Properties.GetCapacity(); bi++)
+ {
+ if (bi > 2 && bi + 1 < altCoderInfo.Properties.GetCapacity())
+ {
+ methodsString += L"..";
+ break;
+ }
+ else
+ methodsString += GetHex2(altCoderInfo.Properties[bi]);
+ }
+ methodsString += L"]";
+ }
+ }
+ }
+ else
+ {
+ methodsString += altCoderInfo.MethodID.ConvertToString();
+ }
+ }
+ }
+ propVariant = methodsString;
+ }
+ }
+ break;
+ case kpidBlock:
+ {
+ CNum folderIndex = _database.FileIndexToFolderIndexMap[index2];
+ if (folderIndex != kNumNoIndex)
+ propVariant = (UInt32)folderIndex;
+ }
+ break;
+ case kpidPackedSize0:
+ case kpidPackedSize1:
+ case kpidPackedSize2:
+ case kpidPackedSize3:
+ case kpidPackedSize4:
+ {
+ CNum folderIndex = _database.FileIndexToFolderIndexMap[index2];
+ if (folderIndex != kNumNoIndex)
+ {
+ const CFolder &folderInfo = _database.Folders[folderIndex];
+ if (_database.FolderStartFileIndex[folderIndex] == (CNum)index2 &&
+ folderInfo.PackStreams.Size() > (int)(propID - kpidPackedSize0))
+ {
+ propVariant = _database.GetFolderPackStreamSize(folderIndex, propID - kpidPackedSize0);
+ }
+ else
+ propVariant = UInt64(0);
+ }
+ else
+ propVariant = UInt64(0);
+ }
+ break;
+ #endif
+ case kpidIsAnti:
+ propVariant = item.IsAnti;
+ break;
+ }
+ propVariant.Detach(value);
+ return S_OK;
+ COM_TRY_END
+}
+
+static const wchar_t *kExt = L"7z";
+static const wchar_t *kAfterPart = L".7z";
+
+#ifdef _7Z_VOL
+
+class CVolumeName
+{
+ bool _first;
+ UString _unchangedPart;
+ UString _changedPart;
+ UString _afterPart;
+public:
+ bool InitName(const UString &name)
+ {
+ _first = true;
+ int dotPos = name.ReverseFind('.');
+ UString basePart = name;
+ if (dotPos >= 0)
+ {
+ UString ext = name.Mid(dotPos + 1);
+ if (ext.CompareNoCase(kExt)==0 ||
+ ext.CompareNoCase(L"EXE") == 0)
+ {
+ _afterPart = kAfterPart;
+ basePart = name.Left(dotPos);
+ }
+ }
+
+ int numLetters = 1;
+ bool splitStyle = false;
+ if (basePart.Right(numLetters) == L"1")
+ {
+ while (numLetters < basePart.Length())
+ {
+ if (basePart[basePart.Length() - numLetters - 1] != '0')
+ break;
+ numLetters++;
+ }
+ }
+ else
+ return false;
+ _unchangedPart = basePart.Left(basePart.Length() - numLetters);
+ _changedPart = basePart.Right(numLetters);
+ return true;
+ }
+
+ UString GetNextName()
+ {
+ UString newName;
+ // if (_newStyle || !_first)
+ {
+ int i;
+ int numLetters = _changedPart.Length();
+ for (i = numLetters - 1; i >= 0; i--)
+ {
+ wchar_t c = _changedPart[i];
+ if (c == L'9')
+ {
+ c = L'0';
+ newName = c + newName;
+ if (i == 0)
+ newName = UString(L'1') + newName;
+ continue;
+ }
+ c++;
+ newName = UString(c) + newName;
+ i--;
+ for (; i >= 0; i--)
+ newName = _changedPart[i] + newName;
+ break;
+ }
+ _changedPart = newName;
+ }
+ _first = false;
+ return _unchangedPart + _changedPart + _afterPart;
+ }
+};
+
+#endif
+
+STDMETHODIMP CHandler::Open(IInStream *stream,
+ const UInt64 *maxCheckStartPosition,
+ IArchiveOpenCallback *openArchiveCallback)
+{
+ COM_TRY_BEGIN
+ Close();
+ #ifndef _SFX
+ _fileInfoPopIDs.Clear();
+ #endif
+ try
+ {
+ CMyComPtr<IArchiveOpenCallback> openArchiveCallbackTemp = openArchiveCallback;
+ #ifdef _7Z_VOL
+ CVolumeName seqName;
+
+ CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
+ #endif
+
+ #ifndef _NO_CRYPTO
+ CMyComPtr<ICryptoGetTextPassword> getTextPassword;
+ if (openArchiveCallback)
+ {
+ openArchiveCallbackTemp.QueryInterface(
+ IID_ICryptoGetTextPassword, &getTextPassword);
+ }
+ #endif
+ #ifdef _7Z_VOL
+ if (openArchiveCallback)
+ {
+ openArchiveCallbackTemp.QueryInterface(IID_IArchiveOpenVolumeCallback, &openVolumeCallback);
+ }
+ while(true)
+ {
+ CMyComPtr<IInStream> inStream;
+ if (!_volumes.IsEmpty())
+ {
+ if (!openVolumeCallback)
+ break;
+ if(_volumes.Size() == 1)
+ {
+ UString baseName;
+ {
+ NCOM::CPropVariant propVariant;
+ RINOK(openVolumeCallback->GetProperty(kpidName, &propVariant));
+ if (propVariant.vt != VT_BSTR)
+ break;
+ baseName = propVariant.bstrVal;
+ }
+ seqName.InitName(baseName);
+ }
+
+ UString fullName = seqName.GetNextName();
+ HRESULT result = openVolumeCallback->GetStream(fullName, &inStream);
+ if (result == S_FALSE)
+ break;
+ if (result != S_OK)
+ return result;
+ if (!stream)
+ break;
+ }
+ else
+ inStream = stream;
+
+ CInArchive archive;
+ RINOK(archive.Open(inStream, maxCheckStartPosition));
+
+ _volumes.Add(CVolume());
+ CVolume &volume = _volumes.Back();
+ CArchiveDatabaseEx &database = volume.Database;
+ volume.Stream = inStream;
+ volume.StartRef2Index = _refs.Size();
+
+ HRESULT result = archive.ReadDatabase(database
+ #ifndef _NO_CRYPTO
+ , getTextPassword
+ #endif
+ );
+ if (result != S_OK)
+ {
+ _volumes.Clear();
+ return result;
+ }
+ database.Fill();
+ for(int i = 0; i < database.Files.Size(); i++)
+ {
+ CRef refNew;
+ refNew.VolumeIndex = _volumes.Size() - 1;
+ refNew.ItemIndex = i;
+ _refs.Add(refNew);
+ /*
+ const CFileItem &file = database.Files[i];
+ int j;
+ */
+ /*
+ for (j = _refs.Size() - 1; j >= 0; j--)
+ {
+ CRef2 &ref2 = _refs[j];
+ const CRef &ref = ref2.Refs.Back();
+ const CVolume &volume2 = _volumes[ref.VolumeIndex];
+ const CArchiveDatabaseEx &database2 = volume2.Database;
+ const CFileItem &file2 = database2.Files[ref.ItemIndex];
+ if (file2.Name.CompareNoCase(file.Name) == 0)
+ {
+ if (!file.IsStartPosDefined)
+ continue;
+ if (file.StartPos != ref2.StartPos + ref2.UnPackSize)
+ continue;
+ ref2.Refs.Add(refNew);
+ break;
+ }
+ }
+ */
+ /*
+ j = -1;
+ if (j < 0)
+ {
+ CRef2 ref2New;
+ ref2New.Refs.Add(refNew);
+ j = _refs.Add(ref2New);
+ }
+ CRef2 &ref2 = _refs[j];
+ ref2.UnPackSize += file.UnPackSize;
+ ref2.PackSize += database.GetFilePackSize(i);
+ if (ref2.Refs.Size() == 1 && file.IsStartPosDefined)
+ ref2.StartPos = file.StartPos;
+ */
+ }
+ if (database.Files.Size() != 1)
+ break;
+ const CFileItem &file = database.Files.Front();
+ if (!file.IsStartPosDefined)
+ break;
+ }
+ #else
+ CInArchive archive;
+ RINOK(archive.Open(stream, maxCheckStartPosition));
+ HRESULT result = archive.ReadDatabase(_database
+ #ifndef _NO_CRYPTO
+ , getTextPassword
+ #endif
+ );
+ RINOK(result);
+ _database.Fill();
+ _inStream = stream;
+ #endif
+ }
+ catch(...)
+ {
+ Close();
+ return S_FALSE;
+ }
+ // _inStream = stream;
+ #ifndef _SFX
+ FillPopIDs();
+ #endif
+ return S_OK;
+ COM_TRY_END
+}
+
+STDMETHODIMP CHandler::Close()
+{
+ COM_TRY_BEGIN
+ #ifdef _7Z_VOL
+ _volumes.Clear();
+ _refs.Clear();
+ #else
+ _inStream.Release();
+ _database.Clear();
+ #endif
+ return S_OK;
+ COM_TRY_END
+}
+
+#ifdef _7Z_VOL
+STDMETHODIMP CHandler::GetStream(UInt32 index, ISequentialInStream **stream)
+{
+ if (index != 0)
+ return E_INVALIDARG;
+ *stream = 0;
+ CMultiStream *streamSpec = new CMultiStream;
+ CMyComPtr<ISequentialInStream> streamTemp = streamSpec;
+
+ UInt64 pos = 0;
+ const UString *fileName;
+ for (int i = 0; i < _refs.Size(); i++)
+ {
+ const CRef &ref = _refs[i];
+ const CVolume &volume = _volumes[ref.VolumeIndex];
+ const CArchiveDatabaseEx &database = volume.Database;
+ const CFileItem &file = database.Files[ref.ItemIndex];
+ if (i == 0)
+ fileName = &file.Name;
+ else
+ if (fileName->Compare(file.Name) != 0)
+ return S_FALSE;
+ if (!file.IsStartPosDefined)
+ return S_FALSE;
+ if (file.StartPos != pos)
+ return S_FALSE;
+ CNum folderIndex = database.FileIndexToFolderIndexMap[ref.ItemIndex];
+ if (folderIndex == kNumNoIndex)
+ {
+ if (file.UnPackSize != 0)
+ return E_FAIL;
+ continue;
+ }
+ if (database.NumUnPackStreamsVector[folderIndex] != 1)
+ return S_FALSE;
+ const CFolder &folder = database.Folders[folderIndex];
+ if (folder.Coders.Size() != 1)
+ return S_FALSE;
+ const CCoderInfo &coder = folder.Coders.Front();
+ if (coder.NumInStreams != 1 || coder.NumOutStreams != 1)
+ return S_FALSE;
+ const CAltCoderInfo &altCoder = coder.AltCoders.Front();
+ if (altCoder.MethodID.IDSize != 1 || altCoder.MethodID.ID[0] != 0)
+ return S_FALSE;
+
+ pos += file.UnPackSize;
+ CMultiStream::CSubStreamInfo subStreamInfo;
+ subStreamInfo.Stream = volume.Stream;
+ subStreamInfo.Pos = database.GetFolderStreamPos(folderIndex, 0);
+ subStreamInfo.Size = file.UnPackSize;
+ streamSpec->Streams.Add(subStreamInfo);
+ }
+ streamSpec->Init();
+ *stream = streamTemp.Detach();
+ return S_OK;
+}
+#endif
+
+
+#ifdef __7Z_SET_PROPERTIES
+#ifdef EXTRACT_ONLY
+
+STDMETHODIMP CHandler::SetProperties(const wchar_t **names, const PROPVARIANT *values, Int32 numProperties)
+{
+ COM_TRY_BEGIN
+ const UInt32 numProcessors = NSystem::GetNumberOfProcessors();
+ _numThreads = numProcessors;
+
+ for (int i = 0; i < numProperties; i++)
+ {
+ UString name = names[i];
+ name.MakeUpper();
+ if (name.IsEmpty())
+ return E_INVALIDARG;
+ const PROPVARIANT &value = values[i];
+ UInt32 number;
+ int index = ParseStringToUInt32(name, number);
+ if (index == 0)
+ {
+ if(name.Left(2).CompareNoCase(L"MT") == 0)
+ {
+ RINOK(ParseMtProp(name.Mid(2), value, numProcessors, _numThreads));
+ continue;
+ }
+ else
+ return E_INVALIDARG;
+ }
+ }
+ return S_OK;
+ COM_TRY_END
+}
+
+#endif
+#endif
+
+}}
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