From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- .../7zstub/src/CPP/7zip/Archive/7z/7zExtract.cpp | 423 +++++++++++++++++++++ 1 file changed, 423 insertions(+) create mode 100644 other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zExtract.cpp (limited to 'other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zExtract.cpp') diff --git a/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zExtract.cpp b/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zExtract.cpp new file mode 100644 index 0000000000..075644ffda --- /dev/null +++ b/other-licenses/7zstub/src/CPP/7zip/Archive/7z/7zExtract.cpp @@ -0,0 +1,423 @@ +// 7zExtract.cpp + +#include "StdAfx.h" + +#include "../../../../C/7zCrc.h" + +#include "../../../Common/ComTry.h" + +#include "../../Common/ProgressUtils.h" + +#include "7zDecode.h" +#include "7zHandler.h" + +// EXTERN_g_ExternalCodecs + +namespace NArchive { +namespace N7z { + +class CFolderOutStream: + public ISequentialOutStream, + public CMyUnknownImp +{ + CMyComPtr _stream; +public: + bool TestMode; + bool CheckCrc; +private: + bool _fileIsOpen; + bool _calcCrc; + UInt32 _crc; + UInt64 _rem; + + const UInt32 *_indexes; + unsigned _numFiles; + unsigned _fileIndex; + + HRESULT OpenFile(bool isCorrupted = false); + HRESULT CloseFile_and_SetResult(Int32 res); + HRESULT CloseFile(); + HRESULT ProcessEmptyFiles(); + +public: + MY_UNKNOWN_IMP1(ISequentialOutStream) + + const CDbEx *_db; + CMyComPtr ExtractCallback; + + bool ExtraWriteWasCut; + + CFolderOutStream(): + TestMode(false), + CheckCrc(true) + {} + + STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize); + + HRESULT Init(unsigned startIndex, const UInt32 *indexes, unsigned numFiles); + HRESULT FlushCorrupted(Int32 callbackOperationResult); + + bool WasWritingFinished() const { return _numFiles == 0; } +}; + + +HRESULT CFolderOutStream::Init(unsigned startIndex, const UInt32 *indexes, unsigned numFiles) +{ + _fileIndex = startIndex; + _indexes = indexes; + _numFiles = numFiles; + + _fileIsOpen = false; + ExtraWriteWasCut = false; + + return ProcessEmptyFiles(); +} + +HRESULT CFolderOutStream::OpenFile(bool isCorrupted) +{ + const CFileItem &fi = _db->Files[_fileIndex]; + UInt32 nextFileIndex = (_indexes ? *_indexes : _fileIndex); + Int32 askMode = (_fileIndex == nextFileIndex) ? + (TestMode ? + NExtract::NAskMode::kTest : + NExtract::NAskMode::kExtract) : + NExtract::NAskMode::kSkip; + + if (isCorrupted + && askMode == NExtract::NAskMode::kExtract + && !_db->IsItemAnti(_fileIndex) + && !fi.IsDir) + askMode = NExtract::NAskMode::kTest; + + CMyComPtr realOutStream; + RINOK(ExtractCallback->GetStream(_fileIndex, &realOutStream, askMode)); + + _stream = realOutStream; + _crc = CRC_INIT_VAL; + _calcCrc = (CheckCrc && fi.CrcDefined && !fi.IsDir); + + _fileIsOpen = true; + _rem = fi.Size; + + if (askMode == NExtract::NAskMode::kExtract + && !realOutStream + && !_db->IsItemAnti(_fileIndex) + && !fi.IsDir) + askMode = NExtract::NAskMode::kSkip; + return ExtractCallback->PrepareOperation(askMode); +} + +HRESULT CFolderOutStream::CloseFile_and_SetResult(Int32 res) +{ + _stream.Release(); + _fileIsOpen = false; + + if (!_indexes) + _numFiles--; + else if (*_indexes == _fileIndex) + { + _indexes++; + _numFiles--; + } + + _fileIndex++; + return ExtractCallback->SetOperationResult(res); +} + +HRESULT CFolderOutStream::CloseFile() +{ + const CFileItem &fi = _db->Files[_fileIndex]; + return CloseFile_and_SetResult((!_calcCrc || fi.Crc == CRC_GET_DIGEST(_crc)) ? + NExtract::NOperationResult::kOK : + NExtract::NOperationResult::kCRCError); +} + +HRESULT CFolderOutStream::ProcessEmptyFiles() +{ + while (_numFiles != 0 && _db->Files[_fileIndex].Size == 0) + { + RINOK(OpenFile()); + RINOK(CloseFile()); + } + return S_OK; +} + +STDMETHODIMP CFolderOutStream::Write(const void *data, UInt32 size, UInt32 *processedSize) +{ + if (processedSize) + *processedSize = 0; + + while (size != 0) + { + if (_fileIsOpen) + { + UInt32 cur = (size < _rem ? size : (UInt32)_rem); + if (_calcCrc) + { + const UInt32 k_Step = (UInt32)1 << 20; + if (cur > k_Step) + cur = k_Step; + } + HRESULT result = S_OK; + if (_stream) + result = _stream->Write(data, cur, &cur); + if (_calcCrc) + _crc = CrcUpdate(_crc, data, cur); + if (processedSize) + *processedSize += cur; + data = (const Byte *)data + cur; + size -= cur; + _rem -= cur; + if (_rem == 0) + { + RINOK(CloseFile()); + RINOK(ProcessEmptyFiles()); + } + RINOK(result); + if (cur == 0) + break; + continue; + } + + RINOK(ProcessEmptyFiles()); + if (_numFiles == 0) + { + // we support partial extracting + /* + if (processedSize) + *processedSize += size; + break; + */ + ExtraWriteWasCut = true; + // return S_FALSE; + return k_My_HRESULT_WritingWasCut; + } + RINOK(OpenFile()); + } + + return S_OK; +} + +HRESULT CFolderOutStream::FlushCorrupted(Int32 callbackOperationResult) +{ + while (_numFiles != 0) + { + if (_fileIsOpen) + { + RINOK(CloseFile_and_SetResult(callbackOperationResult)); + } + else + { + RINOK(OpenFile(true)); + } + } + return S_OK; +} + +STDMETHODIMP CHandler::Extract(const UInt32 *indices, UInt32 numItems, + Int32 testModeSpec, IArchiveExtractCallback *extractCallbackSpec) +{ + COM_TRY_BEGIN + + CMyComPtr extractCallback = extractCallbackSpec; + + UInt64 importantTotalUnpacked = 0; + + // numItems = (UInt32)(Int32)-1; + + bool allFilesMode = (numItems == (UInt32)(Int32)-1); + if (allFilesMode) + numItems = _db.Files.Size(); + + if (numItems == 0) + return S_OK; + + { + CNum prevFolder = kNumNoIndex; + UInt32 nextFile = 0; + + UInt32 i; + + for (i = 0; i < numItems; i++) + { + UInt32 fileIndex = allFilesMode ? i : indices[i]; + CNum folderIndex = _db.FileIndexToFolderIndexMap[fileIndex]; + if (folderIndex == kNumNoIndex) + continue; + if (folderIndex != prevFolder || fileIndex < nextFile) + nextFile = _db.FolderStartFileIndex[folderIndex]; + for (CNum index = nextFile; index <= fileIndex; index++) + importantTotalUnpacked += _db.Files[index].Size; + nextFile = fileIndex + 1; + prevFolder = folderIndex; + } + } + + RINOK(extractCallback->SetTotal(importantTotalUnpacked)); + + CLocalProgress *lps = new CLocalProgress; + CMyComPtr progress = lps; + lps->Init(extractCallback, false); + + CDecoder decoder( + #if !defined(USE_MIXER_MT) + false + #elif !defined(USE_MIXER_ST) + true + #elif !defined(__7Z_SET_PROPERTIES) + #ifdef _7ZIP_ST + false + #else + true + #endif + #else + _useMultiThreadMixer + #endif + ); + + UInt64 curPacked, curUnpacked; + + CMyComPtr callbackMessage; + extractCallback.QueryInterface(IID_IArchiveExtractCallbackMessage, &callbackMessage); + + CFolderOutStream *folderOutStream = new CFolderOutStream; + CMyComPtr outStream(folderOutStream); + + folderOutStream->_db = &_db; + folderOutStream->ExtractCallback = extractCallback; + folderOutStream->TestMode = (testModeSpec != 0); + folderOutStream->CheckCrc = (_crcSize != 0); + + for (UInt32 i = 0;; lps->OutSize += curUnpacked, lps->InSize += curPacked) + { + RINOK(lps->SetCur()); + + if (i >= numItems) + break; + + curUnpacked = 0; + curPacked = 0; + + UInt32 fileIndex = allFilesMode ? i : indices[i]; + CNum folderIndex = _db.FileIndexToFolderIndexMap[fileIndex]; + + UInt32 numSolidFiles = 1; + + if (folderIndex != kNumNoIndex) + { + curPacked = _db.GetFolderFullPackSize(folderIndex); + UInt32 nextFile = fileIndex + 1; + fileIndex = _db.FolderStartFileIndex[folderIndex]; + UInt32 k; + + for (k = i + 1; k < numItems; k++) + { + UInt32 fileIndex2 = allFilesMode ? k : indices[k]; + if (_db.FileIndexToFolderIndexMap[fileIndex2] != folderIndex + || fileIndex2 < nextFile) + break; + nextFile = fileIndex2 + 1; + } + + numSolidFiles = k - i; + + for (k = fileIndex; k < nextFile; k++) + curUnpacked += _db.Files[k].Size; + } + + { + HRESULT result = folderOutStream->Init(fileIndex, + allFilesMode ? NULL : indices + i, + numSolidFiles); + + i += numSolidFiles; + + RINOK(result); + } + + // to test solid block with zero unpacked size we disable that code + if (folderOutStream->WasWritingFinished()) + continue; + + #ifndef _NO_CRYPTO + CMyComPtr getTextPassword; + if (extractCallback) + extractCallback.QueryInterface(IID_ICryptoGetTextPassword, &getTextPassword); + #endif + + try + { + #ifndef _NO_CRYPTO + bool isEncrypted = false; + bool passwordIsDefined = false; + UString password; + #endif + + + bool dataAfterEnd_Error = false; + + HRESULT result = decoder.Decode( + EXTERNAL_CODECS_VARS + _inStream, + _db.ArcInfo.DataStartPosition, + _db, folderIndex, + &curUnpacked, + + outStream, + progress, + NULL // *inStreamMainRes + , dataAfterEnd_Error + + _7Z_DECODER_CRYPRO_VARS + #if !defined(_7ZIP_ST) + , true, _numThreads, _memUsage + #endif + ); + + if (result == S_FALSE || result == E_NOTIMPL || dataAfterEnd_Error) + { + bool wasFinished = folderOutStream->WasWritingFinished(); + + int resOp = NExtract::NOperationResult::kDataError; + + if (result != S_FALSE) + { + if (result == E_NOTIMPL) + resOp = NExtract::NOperationResult::kUnsupportedMethod; + else if (wasFinished && dataAfterEnd_Error) + resOp = NExtract::NOperationResult::kDataAfterEnd; + } + + RINOK(folderOutStream->FlushCorrupted(resOp)); + + if (wasFinished) + { + // we don't show error, if it's after required files + if (/* !folderOutStream->ExtraWriteWasCut && */ callbackMessage) + { + RINOK(callbackMessage->ReportExtractResult(NEventIndexType::kBlockIndex, folderIndex, resOp)); + } + } + continue; + } + + if (result != S_OK) + return result; + + RINOK(folderOutStream->FlushCorrupted(NExtract::NOperationResult::kDataError)); + continue; + } + catch(...) + { + RINOK(folderOutStream->FlushCorrupted(NExtract::NOperationResult::kDataError)); + // continue; + return E_FAIL; + } + } + + return S_OK; + + COM_TRY_END +} + +}} -- cgit v1.2.3