diff options
Diffstat (limited to 'src/libs/7zip/unix/CPP/7zip/Archive/XarHandler.cpp')
| -rw-r--r-- | src/libs/7zip/unix/CPP/7zip/Archive/XarHandler.cpp | 588 |
1 files changed, 0 insertions, 588 deletions
diff --git a/src/libs/7zip/unix/CPP/7zip/Archive/XarHandler.cpp b/src/libs/7zip/unix/CPP/7zip/Archive/XarHandler.cpp deleted file mode 100644 index e7d88b6c7..000000000 --- a/src/libs/7zip/unix/CPP/7zip/Archive/XarHandler.cpp +++ /dev/null @@ -1,588 +0,0 @@ -// XarHandler.cpp - -#include "StdAfx.h" - -#include "../../../C/CpuArch.h" - -#include "Common/ComTry.h" -#include "Common/MyXml.h" -#include "Common/StringToInt.h" -#include "Common/UTFConvert.h" - -#include "Windows/PropVariant.h" -#include "Windows/Time.h" - -#include "../Common/LimitedStreams.h" -#include "../Common/ProgressUtils.h" -#include "../Common/RegisterArc.h" -#include "../Common/StreamObjects.h" -#include "../Common/StreamUtils.h" - -#include "../Compress/BZip2Decoder.h" -#include "../Compress/CopyCoder.h" -#include "../Compress/ZlibDecoder.h" - -#include "Common/OutStreamWithSha1.h" - -#define XAR_SHOW_RAW - -#define Get16(p) GetBe16(p) -#define Get32(p) GetBe32(p) -#define Get64(p) GetBe64(p) - -namespace NArchive { -namespace NXar { - -struct CFile -{ - AString Name; - AString Method; - UInt64 Size; - UInt64 PackSize; - UInt64 Offset; - - // UInt32 mode; - UInt64 CTime; - UInt64 MTime; - UInt64 ATime; - - bool IsDir; - bool HasData; - - bool Sha1IsDefined; - Byte Sha1[20]; - // bool packSha1IsDefined; - // Byte packSha1[20]; - - int Parent; - - CFile(): IsDir(false), HasData(false), Sha1IsDefined(false), - /* packSha1IsDefined(false), */ - Parent(-1), Size(0), PackSize(0), CTime(0), MTime(0), ATime(0) {} -}; - -class CHandler: - public IInArchive, - public CMyUnknownImp -{ - UInt64 _dataStartPos; - CMyComPtr<IInStream> _inStream; - AString _xml; - CObjectVector<CFile> _files; - - HRESULT Open2(IInStream *stream); - HRESULT Extract(IInStream *stream); -public: - MY_UNKNOWN_IMP1(IInArchive) - INTERFACE_IInArchive(;) -}; - -const UInt32 kXmlSizeMax = ((UInt32)1 << 30) - (1 << 14); - -STATPROPSTG kProps[] = -{ - { NULL, kpidPath, VT_BSTR}, - { NULL, kpidSize, VT_UI8}, - { NULL, kpidPackSize, VT_UI8}, - { NULL, kpidMTime, VT_FILETIME}, - { NULL, kpidCTime, VT_FILETIME}, - { NULL, kpidATime, VT_FILETIME}, - { NULL, kpidMethod, VT_BSTR} -}; - -IMP_IInArchive_Props -IMP_IInArchive_ArcProps_NO - -static bool ParseNumber(const char *s, int size, UInt32 &res) -{ - const char *end; - res = (UInt32)ConvertStringToUInt64(s, &end); - return (end - s == size); -} - -static bool ParseUInt64(const CXmlItem &item, const char *name, UInt64 &res) -{ - AString s = item.GetSubStringForTag(name); - const char *end; - res = ConvertStringToUInt64(s, &end); - return (end - (const char *)s == s.Length()); -} - -static UInt64 ParseTime(const CXmlItem &item, const char *name) -{ - AString s = item.GetSubStringForTag(name); - if (s.Length() < 20) - return 0; - const char *p = s; - if (p[ 4] != '-' || p[ 7] != '-' || p[10] != 'T' || - p[13] != ':' || p[16] != ':' || p[19] != 'Z') - return 0; - UInt32 year, month, day, hour, min, sec; - if (!ParseNumber(p, 4, year )) return 0; - if (!ParseNumber(p + 5, 2, month)) return 0; - if (!ParseNumber(p + 8, 2, day )) return 0; - if (!ParseNumber(p + 11, 2, hour )) return 0; - if (!ParseNumber(p + 14, 2, min )) return 0; - if (!ParseNumber(p + 17, 2, sec )) return 0; - - UInt64 numSecs; - if (!NWindows::NTime::GetSecondsSince1601(year, month, day, hour, min, sec, numSecs)) - return 0; - return numSecs * 10000000; -} - -static bool HexToByte(char c, Byte &res) -{ - if (c >= '0' && c <= '9') res = c - '0'; - else if (c >= 'A' && c <= 'F') res = c - 'A' + 10; - else if (c >= 'a' && c <= 'f') res = c - 'a' + 10; - else return false; - return true; -} - -#define METHOD_NAME_ZLIB "zlib" - -static bool ParseSha1(const CXmlItem &item, const char *name, Byte *digest) -{ - int index = item.FindSubTag(name); - if (index < 0) - return false; - const CXmlItem &checkItem = item.SubItems[index]; - AString style = checkItem.GetPropertyValue("style"); - if (style == "SHA1") - { - AString s = checkItem.GetSubString(); - if (s.Length() != 40) - return false; - for (int i = 0; i < s.Length(); i += 2) - { - Byte b0, b1; - if (!HexToByte(s[i], b0) || !HexToByte(s[i + 1], b1)) - return false; - digest[i / 2] = (b0 << 4) | b1; - } - return true; - } - return false; -} - -static bool AddItem(const CXmlItem &item, CObjectVector<CFile> &files, int parent) -{ - if (!item.IsTag) - return true; - if (item.Name == "file") - { - CFile file; - file.Parent = parent; - parent = files.Size(); - file.Name = item.GetSubStringForTag("name"); - AString type = item.GetSubStringForTag("type"); - if (type == "directory") - file.IsDir = true; - else if (type == "file") - file.IsDir = false; - else - return false; - - int dataIndex = item.FindSubTag("data"); - if (dataIndex >= 0 && !file.IsDir) - { - file.HasData = true; - const CXmlItem &dataItem = item.SubItems[dataIndex]; - if (!ParseUInt64(dataItem, "size", file.Size)) - return false; - if (!ParseUInt64(dataItem, "length", file.PackSize)) - return false; - if (!ParseUInt64(dataItem, "offset", file.Offset)) - return false; - file.Sha1IsDefined = ParseSha1(dataItem, "extracted-checksum", file.Sha1); - // file.packSha1IsDefined = ParseSha1(dataItem, "archived-checksum", file.packSha1); - int encodingIndex = dataItem.FindSubTag("encoding"); - if (encodingIndex >= 0) - { - const CXmlItem &encodingItem = dataItem.SubItems[encodingIndex]; - if (encodingItem.IsTag) - { - AString s = encodingItem.GetPropertyValue("style"); - if (s.Length() >= 0) - { - AString appl = "application/"; - if (s.Left(appl.Length()) == appl) - { - s = s.Mid(appl.Length()); - AString xx = "x-"; - if (s.Left(xx.Length()) == xx) - { - s = s.Mid(xx.Length()); - if (s == "gzip") - s = METHOD_NAME_ZLIB; - } - } - file.Method = s; - } - } - } - } - - file.CTime = ParseTime(item, "ctime"); - file.MTime = ParseTime(item, "mtime"); - file.ATime = ParseTime(item, "atime"); - files.Add(file); - } - for (int i = 0; i < item.SubItems.Size(); i++) - if (!AddItem(item.SubItems[i], files, parent)) - return false; - return true; -} - -HRESULT CHandler::Open2(IInStream *stream) -{ - UInt64 archiveStartPos; - RINOK(stream->Seek(0, STREAM_SEEK_SET, &archiveStartPos)); - - const UInt32 kHeaderSize = 0x1C; - Byte buf[kHeaderSize]; - RINOK(ReadStream_FALSE(stream, buf, kHeaderSize)); - - UInt32 size = Get16(buf + 4); - // UInt32 ver = Get16(buf + 6); // == 0 - if (Get32(buf) != 0x78617221 || size != kHeaderSize) - return S_FALSE; - - UInt64 packSize = Get64(buf + 8); - UInt64 unpackSize = Get64(buf + 0x10); - // UInt32 checkSumAlogo = Get32(buf + 0x18); - - if (unpackSize >= kXmlSizeMax) - return S_FALSE; - - _dataStartPos = archiveStartPos + kHeaderSize + packSize; - - char *ss = _xml.GetBuffer((int)unpackSize + 1); - - NCompress::NZlib::CDecoder *zlibCoderSpec = new NCompress::NZlib::CDecoder(); - CMyComPtr<ICompressCoder> zlibCoder = zlibCoderSpec; - - CLimitedSequentialInStream *inStreamLimSpec = new CLimitedSequentialInStream; - CMyComPtr<ISequentialInStream> inStreamLim(inStreamLimSpec); - inStreamLimSpec->SetStream(stream); - inStreamLimSpec->Init(packSize); - - CBufPtrSeqOutStream *outStreamLimSpec = new CBufPtrSeqOutStream; - CMyComPtr<ISequentialOutStream> outStreamLim(outStreamLimSpec); - outStreamLimSpec->Init((Byte *)ss, (size_t)unpackSize); - - RINOK(zlibCoder->Code(inStreamLim, outStreamLim, NULL, NULL, NULL)); - - if (outStreamLimSpec->GetPos() != (size_t)unpackSize) - return S_FALSE; - - ss[(size_t)unpackSize] = 0; - _xml.ReleaseBuffer(); - - CXml xml; - if (!xml.Parse(_xml)) - return S_FALSE; - - if (!xml.Root.IsTagged("xar") || xml.Root.SubItems.Size() != 1) - return S_FALSE; - const CXmlItem &toc = xml.Root.SubItems[0]; - if (!toc.IsTagged("toc")) - return S_FALSE; - if (!AddItem(toc, _files, -1)) - return S_FALSE; - return S_OK; -} - -STDMETHODIMP CHandler::Open(IInStream *stream, - const UInt64 * /* maxCheckStartPosition */, - IArchiveOpenCallback * /* openArchiveCallback */) -{ - COM_TRY_BEGIN - { - Close(); - if (Open2(stream) != S_OK) - return S_FALSE; - _inStream = stream; - } - return S_OK; - COM_TRY_END -} - -STDMETHODIMP CHandler::Close() -{ - _inStream.Release(); - _files.Clear(); - _xml.Empty(); - return S_OK; -} - -STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems) -{ - *numItems = _files.Size() - #ifdef XAR_SHOW_RAW - + 1 - #endif - ; - return S_OK; -} - -static void TimeToProp(UInt64 t, NWindows::NCOM::CPropVariant &prop) -{ - if (t != 0) - { - FILETIME ft; - ft.dwLowDateTime = (UInt32)(t); - ft.dwHighDateTime = (UInt32)(t >> 32); - prop = ft; - } -} - -STDMETHODIMP CHandler::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value) -{ - COM_TRY_BEGIN - NWindows::NCOM::CPropVariant prop; - - #ifdef XAR_SHOW_RAW - if ((int)index == _files.Size()) - { - switch(propID) - { - case kpidPath: prop = L"[TOC].xml"; break; - case kpidSize: - case kpidPackSize: prop = (UInt64)_xml.Length(); break; - } - } - else - #endif - { - const CFile &item = _files[index]; - switch(propID) - { - case kpidMethod: - { - UString name; - if (!item.Method.IsEmpty() && ConvertUTF8ToUnicode(item.Method, name)) - prop = name; - break; - } - case kpidPath: - { - AString path; - int cur = index; - do - { - const CFile &item = _files[cur]; - AString s = item.Name; - if (s.IsEmpty()) - s = "unknown"; - if (path.IsEmpty()) - path = s; - else - path = s + CHAR_PATH_SEPARATOR + path; - cur = item.Parent; - } - while (cur >= 0); - - UString name; - if (ConvertUTF8ToUnicode(path, name)) - prop = name; - break; - } - - case kpidIsDir: prop = item.IsDir; break; - case kpidSize: if (!item.IsDir) prop = item.Size; break; - case kpidPackSize: if (!item.IsDir) prop = item.PackSize; break; - - case kpidMTime: TimeToProp(item.MTime, prop); break; - case kpidCTime: TimeToProp(item.CTime, prop); break; - case kpidATime: TimeToProp(item.ATime, prop); break; - } - } - prop.Detach(value); - return S_OK; - COM_TRY_END -} - -STDMETHODIMP CHandler::Extract(const UInt32 *indices, UInt32 numItems, - Int32 testMode, IArchiveExtractCallback *extractCallback) -{ - COM_TRY_BEGIN - bool allFilesMode = (numItems == (UInt32)-1); - if (allFilesMode) - numItems = _files.Size(); - if (numItems == 0) - return S_OK; - UInt64 totalSize = 0; - UInt32 i; - for (i = 0; i < numItems; i++) - { - int index = (int)(allFilesMode ? i : indices[i]); - #ifdef XAR_SHOW_RAW - if (index == _files.Size()) - totalSize += _xml.Length(); - else - #endif - totalSize += _files[index].Size; - } - extractCallback->SetTotal(totalSize); - - UInt64 currentPackTotal = 0; - UInt64 currentUnpTotal = 0; - UInt64 currentPackSize = 0; - UInt64 currentUnpSize = 0; - - const UInt32 kZeroBufSize = (1 << 14); - CByteBuffer zeroBuf; - zeroBuf.SetCapacity(kZeroBufSize); - memset(zeroBuf, 0, kZeroBufSize); - - NCompress::CCopyCoder *copyCoderSpec = new NCompress::CCopyCoder(); - CMyComPtr<ICompressCoder> copyCoder = copyCoderSpec; - - NCompress::NZlib::CDecoder *zlibCoderSpec = new NCompress::NZlib::CDecoder(); - CMyComPtr<ICompressCoder> zlibCoder = zlibCoderSpec; - - NCompress::NBZip2::CDecoder *bzip2CoderSpec = new NCompress::NBZip2::CDecoder(); - CMyComPtr<ICompressCoder> bzip2Coder = bzip2CoderSpec; - - NCompress::NDeflate::NDecoder::CCOMCoder *deflateCoderSpec = new NCompress::NDeflate::NDecoder::CCOMCoder(); - CMyComPtr<ICompressCoder> deflateCoder = deflateCoderSpec; - - CLocalProgress *lps = new CLocalProgress; - CMyComPtr<ICompressProgressInfo> progress = lps; - lps->Init(extractCallback, false); - - CLimitedSequentialInStream *inStreamSpec = new CLimitedSequentialInStream; - CMyComPtr<ISequentialInStream> inStream(inStreamSpec); - inStreamSpec->SetStream(_inStream); - - - CLimitedSequentialOutStream *outStreamLimSpec = new CLimitedSequentialOutStream; - CMyComPtr<ISequentialOutStream> outStream(outStreamLimSpec); - - COutStreamWithSha1 *outStreamSha1Spec = new COutStreamWithSha1; - { - CMyComPtr<ISequentialOutStream> outStreamSha1(outStreamSha1Spec); - outStreamLimSpec->SetStream(outStreamSha1); - } - - for (i = 0; i < numItems; i++, currentPackTotal += currentPackSize, currentUnpTotal += currentUnpSize) - { - lps->InSize = currentPackTotal; - lps->OutSize = currentUnpTotal; - currentPackSize = 0; - currentUnpSize = 0; - RINOK(lps->SetCur()); - CMyComPtr<ISequentialOutStream> realOutStream; - Int32 askMode = testMode ? - NExtract::NAskMode::kTest : - NExtract::NAskMode::kExtract; - Int32 index = allFilesMode ? i : indices[i]; - RINOK(extractCallback->GetStream(index, &realOutStream, askMode)); - - if (index < _files.Size()) - { - const CFile &item = _files[index]; - if (item.IsDir) - { - RINOK(extractCallback->PrepareOperation(askMode)); - RINOK(extractCallback->SetOperationResult(NExtract::NOperationResult::kOK)); - continue; - } - } - - if (!testMode && !realOutStream) - continue; - RINOK(extractCallback->PrepareOperation(askMode)); - - outStreamSha1Spec->SetStream(realOutStream); - realOutStream.Release(); - - Int32 opRes = NExtract::NOperationResult::kOK; - #ifdef XAR_SHOW_RAW - if (index == _files.Size()) - { - outStreamSha1Spec->Init(false); - outStreamLimSpec->Init(_xml.Length()); - RINOK(WriteStream(outStream, (const char *)_xml, _xml.Length())); - currentPackSize = currentUnpSize = _xml.Length(); - } - else - #endif - { - const CFile &item = _files[index]; - if (item.HasData) - { - currentPackSize = item.PackSize; - currentUnpSize = item.Size; - - RINOK(_inStream->Seek(_dataStartPos + item.Offset, STREAM_SEEK_SET, NULL)); - inStreamSpec->Init(item.PackSize); - outStreamSha1Spec->Init(item.Sha1IsDefined); - outStreamLimSpec->Init(item.Size); - HRESULT res = S_OK; - - ICompressCoder *coder = NULL; - if (item.Method.IsEmpty() || item.Method == "octet-stream") - if (item.PackSize == item.Size) - coder = copyCoder; - else - opRes = NExtract::NOperationResult::kUnSupportedMethod; - else if (item.Method == METHOD_NAME_ZLIB) - coder = zlibCoder; - else if (item.Method == "bzip2") - coder = bzip2Coder; - else - opRes = NExtract::NOperationResult::kUnSupportedMethod; - - if (coder) - res = coder->Code(inStream, outStream, NULL, NULL, progress); - - if (res != S_OK) - { - if (!outStreamLimSpec->IsFinishedOK()) - opRes = NExtract::NOperationResult::kDataError; - else if (res != S_FALSE) - return res; - if (opRes == NExtract::NOperationResult::kOK) - opRes = NExtract::NOperationResult::kDataError; - } - - if (opRes == NExtract::NOperationResult::kOK) - { - if (outStreamLimSpec->IsFinishedOK() && - outStreamSha1Spec->GetSize() == item.Size) - { - if (!outStreamLimSpec->IsFinishedOK()) - { - opRes = NExtract::NOperationResult::kDataError; - } - else if (item.Sha1IsDefined) - { - Byte digest[NCrypto::NSha1::kDigestSize]; - outStreamSha1Spec->Final(digest); - if (memcmp(digest, item.Sha1, NCrypto::NSha1::kDigestSize) != 0) - opRes = NExtract::NOperationResult::kCRCError; - } - } - else - opRes = NExtract::NOperationResult::kDataError; - } - } - } - outStreamSha1Spec->ReleaseStream(); - RINOK(extractCallback->SetOperationResult(opRes)); - } - return S_OK; - COM_TRY_END -} - -static IInArchive *CreateArc() { return new NArchive::NXar::CHandler; } - -static CArcInfo g_ArcInfo = - { L"Xar", L"xar", 0, 0xE1, { 'x', 'a', 'r', '!', 0, 0x1C }, 6, false, CreateArc, 0 }; - -REGISTER_ARC(Xar) - -}} |