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-rw-r--r--installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/PeHandler.cpp912
1 files changed, 912 insertions, 0 deletions
diff --git a/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/PeHandler.cpp b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/PeHandler.cpp
new file mode 100644
index 000000000..a1304ae45
--- /dev/null
+++ b/installerbuilder/libinstaller/3rdparty/p7zip_9.04/unix/CPP/7zip/Archive/PeHandler.cpp
@@ -0,0 +1,912 @@
+// PeHandler.cpp
+
+#include "StdAfx.h"
+
+#include "../../../C/CpuArch.h"
+
+#include "Common/Buffer.h"
+#include "Common/ComTry.h"
+#include "Common/IntToString.h"
+
+#include "Windows/PropVariantUtils.h"
+#include "Windows/Time.h"
+
+#include "../Common/LimitedStreams.h"
+#include "../Common/ProgressUtils.h"
+#include "../Common/RegisterArc.h"
+#include "../Common/StreamUtils.h"
+
+#include "../Compress/CopyCoder.h"
+
+#define Get16(p) GetUi16(p)
+#define Get32(p) GetUi32(p)
+#define Get64(p) GetUi64(p)
+
+using namespace NWindows;
+
+namespace NArchive {
+namespace NPe {
+
+#define NUM_SCAN_SECTIONS_MAX (1 << 6)
+
+#define PE_SIG 0x00004550
+#define PE_OptHeader_Magic_32 0x10B
+#define PE_OptHeader_Magic_64 0x20B
+
+static AString GetDecString(UInt32 v)
+{
+ char sz[32];
+ ConvertUInt64ToString(v, sz);
+ return sz;
+}
+
+struct CVersion
+{
+ UInt16 Major;
+ UInt16 Minor;
+
+ void Parse(const Byte *buf);
+ AString GetString() const { return GetDecString(Major) + '.' + GetDecString(Minor); }
+};
+
+void CVersion::Parse(const Byte *p)
+{
+ Major = Get16(p);
+ Minor = Get16(p + 2);
+}
+
+static const UInt32 kHeaderSize = 4 + 20;
+
+struct CHeader
+{
+ UInt16 NumSections;
+ UInt32 Time;
+ UInt32 PointerToSymbolTable;
+ UInt32 NumSymbols;
+ UInt16 OptHeaderSize;
+ UInt16 Flags;
+ UInt16 Machine;
+
+ bool Parse(const Byte *buf);
+};
+
+bool CHeader::Parse(const Byte *p)
+{
+ if (Get32(p) != PE_SIG)
+ return false;
+ p += 4;
+ Machine = Get16(p + 0);
+ NumSections = Get16(p + 2);
+ Time = Get32(p + 4);
+ PointerToSymbolTable = Get32(p + 8);
+ NumSymbols = Get32(p + 12);
+ OptHeaderSize = Get16(p + 16);
+ Flags = Get16(p + 18);
+ return true;
+}
+
+struct CDirLink
+{
+ UInt32 Va;
+ UInt32 Size;
+ void Parse(const Byte *p);
+};
+
+void CDirLink::Parse(const Byte *p)
+{
+ Va = Get32(p);
+ Size = Get32(p + 4);
+};
+
+enum
+{
+ kDirLink_Certificate = 4,
+ kDirLink_Debug = 6
+};
+
+struct CDebugEntry
+{
+ UInt32 Flags;
+ UInt32 Time;
+ CVersion Ver;
+ UInt32 Type;
+ UInt32 Size;
+ UInt32 Va;
+ UInt32 Pa;
+
+ void Parse(const Byte *p);
+};
+
+void CDebugEntry::Parse(const Byte *p)
+{
+ Flags = Get32(p);
+ Time = Get32(p + 4);
+ Ver.Parse(p + 8);
+ Type = Get32(p + 12);
+ Size = Get32(p + 16);
+ Va = Get32(p + 20);
+ Pa = Get32(p + 24);
+}
+
+static const UInt32 kNumDirItemsMax = 16;
+
+struct COptHeader
+{
+ UInt16 Magic;
+ Byte LinkerVerMajor;
+ Byte LinkerVerMinor;
+
+ UInt32 CodeSize;
+ UInt32 InitDataSize;
+ UInt32 UninitDataSize;
+
+ // UInt32 AddressOfEntryPoint;
+ // UInt32 BaseOfCode;
+ // UInt32 BaseOfData32;
+ // UInt64 ImageBase;
+
+ UInt32 SectAlign;
+ UInt32 FileAlign;
+
+ CVersion OsVer;
+ CVersion ImageVer;
+ CVersion SubsysVer;
+
+ UInt32 ImageSize;
+ UInt32 HeadersSize;
+ UInt32 CheckSum;
+ UInt16 SubSystem;
+ UInt16 DllCharacts;
+
+ UInt64 StackReserve;
+ UInt64 StackCommit;
+ UInt64 HeapReserve;
+ UInt64 HeapCommit;
+
+ UInt32 NumDirItems;
+ CDirLink DirItems[kNumDirItemsMax];
+
+ bool Is64Bit() const { return Magic == PE_OptHeader_Magic_64; }
+ bool Parse(const Byte *p, UInt32 size);
+};
+
+bool COptHeader::Parse(const Byte *p, UInt32 size)
+{
+ Magic = Get16(p);
+ switch (Magic)
+ {
+ case PE_OptHeader_Magic_32:
+ case PE_OptHeader_Magic_64:
+ break;
+ default:
+ return false;
+ }
+ LinkerVerMajor = p[2];
+ LinkerVerMinor = p[3];
+
+ bool hdr64 = Is64Bit();
+
+ CodeSize = Get32(p + 4);
+ InitDataSize = Get32(p + 8);
+ UninitDataSize = Get32(p + 12);
+
+ // AddressOfEntryPoint = Get32(p + 16);
+ // BaseOfCode = Get32(p + 20);
+ // BaseOfData32 = Get32(p + 24);
+ // ImageBase = hdr64 ? GetUi64(p + 24) :Get32(p + 28);
+
+ SectAlign = Get32(p + 32);
+ FileAlign = Get32(p + 36);
+
+ OsVer.Parse(p + 40);
+ ImageVer.Parse(p + 44);
+ SubsysVer.Parse(p + 48);
+
+ // reserved = Get32(p + 52);
+
+ ImageSize = Get32(p + 56);
+ HeadersSize = Get32(p + 60);
+ CheckSum = Get32(p + 64);
+ SubSystem = Get16(p + 68);
+ DllCharacts = Get16(p + 70);
+
+ if (hdr64)
+ {
+ StackReserve = Get64(p + 72);
+ StackCommit = Get64(p + 80);
+ HeapReserve = Get64(p + 88);
+ HeapCommit = Get64(p + 96);
+ }
+ else
+ {
+ StackReserve = Get32(p + 72);
+ StackCommit = Get32(p + 76);
+ HeapReserve = Get32(p + 80);
+ HeapCommit = Get32(p + 84);
+ }
+ UInt32 pos = (hdr64 ? 108 : 92);
+ NumDirItems = Get32(p + pos);
+ pos += 4;
+ if (pos + 8 * NumDirItems != size)
+ return false;
+ for (UInt32 i = 0; i < NumDirItems && i < kNumDirItemsMax; i++)
+ DirItems[i].Parse(p + pos + i * 8);
+ return true;
+}
+
+static const UInt32 kSectionSize = 40;
+
+struct CSection
+{
+ AString Name;
+
+ UInt32 VSize;
+ UInt32 Va;
+ UInt32 PSize;
+ UInt32 Pa;
+ UInt32 Flags;
+ UInt32 Time;
+ // UInt16 NumRelocs;
+ bool IsDebug;
+ bool IsRealSect;
+
+ CSection(): IsRealSect(false), IsDebug(false) {}
+ UInt64 GetPackSize() const { return PSize; }
+
+ void UpdateTotalSize(UInt32 &totalSize)
+ {
+ UInt32 t = Pa + PSize;
+ if (t > totalSize)
+ totalSize = t;
+ }
+ void Parse(const Byte *p);
+};
+
+static bool operator <(const CSection &a1, const CSection &a2) { return (a1.Pa < a2.Pa); }
+static bool operator ==(const CSection &a1, const CSection &a2) { return (a1.Pa == a2.Pa); }
+
+static AString GetName(const Byte *name)
+{
+ const int kNameSize = 8;
+ AString res;
+ char *p = res.GetBuffer(kNameSize);
+ memcpy(p, name, kNameSize);
+ p[kNameSize] = 0;
+ res.ReleaseBuffer();
+ return res;
+}
+
+void CSection::Parse(const Byte *p)
+{
+ Name = GetName(p);
+ VSize = Get32(p + 8);
+ Va = Get32(p + 12);
+ PSize = Get32(p + 16);
+ Pa = Get32(p + 20);
+ // NumRelocs = Get16(p + 32);
+ Flags = Get32(p + 36);
+}
+
+static const CUInt32PCharPair g_HeaderCharacts[] =
+{
+ { 1 << 1, "Executable" },
+ { 1 << 13, "DLL" },
+ { 1 << 8, "32-bit" },
+ { 1 << 5, "LargeAddress" },
+ { 1 << 0, "NoRelocs" },
+ { 1 << 2, "NoLineNums" },
+ { 1 << 3, "NoLocalSyms" },
+ { 1 << 4, "AggressiveWsTrim" },
+ { 1 << 9, "NoDebugInfo" },
+ { 1 << 10, "RemovableRun" },
+ { 1 << 11, "NetRun" },
+ { 1 << 12, "System" },
+ { 1 << 14, "UniCPU" },
+ { 1 << 7, "Little-Endian" },
+ { 1 << 15, "Big-Endian" }
+};
+
+static const CUInt32PCharPair g_DllCharacts[] =
+{
+ { 1 << 6, "Relocated" },
+ { 1 << 7, "Integrity" },
+ { 1 << 8, "NX-Compatible" },
+ { 1 << 9, "NoIsolation" },
+ { 1 << 10, "NoSEH" },
+ { 1 << 11, "NoBind" },
+ { 1 << 13, "WDM" },
+ { 1 << 15, "TerminalServerAware" }
+};
+
+static const CUInt32PCharPair g_SectFlags[] =
+{
+ { 1 << 3, "NoPad" },
+ { 1 << 5, "Code" },
+ { 1 << 6, "InitializedData" },
+ { 1 << 7, "UninitializedData" },
+ { 1 << 9, "Comments" },
+ { 1 << 11, "Remove" },
+ { 1 << 12, "COMDAT" },
+ { 1 << 15, "GP" },
+ { 1 << 24, "ExtendedRelocations" },
+ { 1 << 25, "Discardable" },
+ { 1 << 26, "NotCached" },
+ { 1 << 27, "NotPaged" },
+ { 1 << 28, "Shared" },
+ { 1 << 29, "Execute" },
+ { 1 << 30, "Read" },
+ { (UInt32)1 << 31, "Write" }
+};
+
+static const CUInt32PCharPair g_MachinePairs[] =
+{
+ { 0x014C, "x86" },
+ { 0x0162, "MIPS-R3000" },
+ { 0x0166, "MIPS-R4000" },
+ { 0x0168, "MIPS-R10000" },
+ { 0x0169, "MIPS-V2" },
+ { 0x0184, "Alpha" },
+ { 0x01A2, "SH3" },
+ { 0x01A3, "SH3-DSP" },
+ { 0x01A4, "SH3E" },
+ { 0x01A6, "SH4" },
+ { 0x01A8, "SH5" },
+ { 0x01C0, "ARM" },
+ { 0x01C2, "ARM-Thumb" },
+ { 0x01F0, "PPC" },
+ { 0x01F1, "PPC-FP" },
+ { 0x0200, "IA-64" },
+ { 0x0284, "Alpha-64" },
+ { 0x0200, "IA-64" },
+ { 0x0366, "MIPSFPU" },
+ { 0x8664, "x64" },
+ { 0x0EBC, "EFI" }
+};
+
+static const CUInt32PCharPair g_SubSystems[] =
+{
+ { 0, "Unknown" },
+ { 1, "Native" },
+ { 2, "Windows GUI" },
+ { 3, "Windows CUI" },
+ { 7, "Posix" },
+ { 9, "Windows CE" },
+ { 10, "EFI" },
+ { 11, "EFI Boot" },
+ { 12, "EFI Runtime" },
+ { 13, "EFI ROM" },
+ { 14, "XBOX" }
+};
+
+class CHandler:
+ public IInArchive,
+ public CMyUnknownImp
+{
+ CMyComPtr<IInStream> _inStream;
+ CObjectVector<CSection> _sections;
+ UInt32 _peOffset;
+ CHeader _header;
+ COptHeader _optHeader;
+ UInt32 _totalSize;
+ UInt32 _totalSizeLimited;
+ HRESULT LoadDebugSections(IInStream *stream, bool &thereIsSection);
+ HRESULT Open2(IInStream *stream);
+ bool Parse(const Byte *buf, UInt32 size);
+public:
+ MY_UNKNOWN_IMP1(IInArchive)
+ INTERFACE_IInArchive(;)
+};
+
+bool CHandler::Parse(const Byte *buf, UInt32 size)
+{
+ UInt32 i;
+ if (size < 512)
+ return false;
+ _peOffset = Get32(buf + 0x3C);
+ if (_peOffset >= 0x1000 || _peOffset + 512 > size || (_peOffset & 7) != 0)
+ return false;
+
+ UInt32 pos = _peOffset;
+ if (!_header.Parse(buf + pos))
+ return false;
+ if (_header.OptHeaderSize > 512 || _header.NumSections > NUM_SCAN_SECTIONS_MAX)
+ return false;
+ pos += kHeaderSize;
+
+ if (!_optHeader.Parse(buf + pos, _header.OptHeaderSize))
+ return false;
+
+ pos += _header.OptHeaderSize;
+ _totalSize = pos;
+
+ for (i = 0; i < _header.NumSections; i++, pos += kSectionSize)
+ {
+ CSection sect;
+ if (pos + kSectionSize > size)
+ return false;
+ sect.Parse(buf + pos);
+ sect.IsRealSect = true;
+ sect.UpdateTotalSize(_totalSize);
+ _sections.Add(sect);
+ }
+
+ return true;
+}
+
+enum
+{
+ kpidSectAlign = kpidUserDefined,
+ kpidFileAlign,
+ kpidLinkerVer,
+ kpidOsVer,
+ kpidImageVer,
+ kpidSubsysVer,
+ kpidCodeSize,
+ kpidImageSize,
+ kpidInitDataSize,
+ kpidUnInitDataSize,
+ kpidHeadersSizeUnInitDataSize,
+ kpidSubSystem,
+ kpidDllCharacts,
+ kpidStackReserve,
+ kpidStackCommit,
+ kpidHeapReserve,
+ kpidHeapCommit,
+};
+
+STATPROPSTG kArcProps[] =
+{
+ { NULL, kpidCpu, VT_BSTR},
+ { NULL, kpidBit64, VT_BOOL},
+ { NULL, kpidCharacts, VT_BSTR},
+ { NULL, kpidCTime, VT_FILETIME},
+ { NULL, kpidPhySize, VT_UI4},
+ { NULL, kpidHeadersSize, VT_UI4},
+ { NULL, kpidChecksum, VT_UI4},
+ { L"Image Size", kpidImageSize, VT_UI4},
+ { L"Section Alignment", kpidSectAlign, VT_UI4},
+ { L"File Alignment", kpidFileAlign, VT_UI4},
+ { L"Code Size", kpidCodeSize, VT_UI4},
+ { L"Initialized Data Size", kpidInitDataSize, VT_UI4},
+ { L"Uninitialized Data Size", kpidUnInitDataSize, VT_UI4},
+ { L"Linker Version", kpidLinkerVer, VT_BSTR},
+ { L"OS Version", kpidOsVer, VT_BSTR},
+ { L"Image Version", kpidImageVer, VT_BSTR},
+ { L"Subsystem Version", kpidSubsysVer, VT_BSTR},
+ { L"Subsystem", kpidSubSystem, VT_BSTR},
+ { L"DLL Characteristics", kpidDllCharacts, VT_BSTR},
+ { L"Stack Reserve", kpidStackReserve, VT_UI8},
+ { L"Stack Commit", kpidStackCommit, VT_UI8},
+ { L"Heap Reserve", kpidHeapReserve, VT_UI8},
+ { L"Heap Commit", kpidHeapCommit, VT_UI8},
+ };
+
+STATPROPSTG kProps[] =
+{
+ { NULL, kpidPath, VT_BSTR},
+ { NULL, kpidSize, VT_UI8},
+ { NULL, kpidPackSize, VT_UI8},
+ { NULL, kpidCharacts, VT_BSTR},
+ { NULL, kpidOffset, VT_UI8},
+ { NULL, kpidVa, VT_UI8}
+};
+
+IMP_IInArchive_Props
+IMP_IInArchive_ArcProps_WITH_NAME
+
+static void VerToProp(const CVersion &v, NCOM::CPropVariant &prop)
+{
+ StringToProp(v.GetString(), prop);
+}
+
+void TimeToProp(UInt32 unixTime, NCOM::CPropVariant &prop)
+{
+ if (unixTime != 0)
+ {
+ FILETIME ft;
+ NTime::UnixTimeToFileTime(unixTime, ft);
+ prop = ft;
+ }
+}
+
+STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value)
+{
+ COM_TRY_BEGIN
+ NCOM::CPropVariant prop;
+ switch(propID)
+ {
+ case kpidSectAlign: prop = _optHeader.SectAlign; break;
+ case kpidFileAlign: prop = _optHeader.FileAlign; break;
+ case kpidLinkerVer:
+ {
+ CVersion v = { _optHeader.LinkerVerMajor, _optHeader.LinkerVerMinor };
+ VerToProp(v, prop); break;
+ break;
+ }
+
+ case kpidOsVer: VerToProp(_optHeader.OsVer, prop); break;
+ case kpidImageVer: VerToProp(_optHeader.ImageVer, prop); break;
+ case kpidSubsysVer: VerToProp(_optHeader.SubsysVer, prop); break;
+ case kpidCodeSize: prop = _optHeader.CodeSize; break;
+ case kpidInitDataSize: prop = _optHeader.InitDataSize; break;
+ case kpidUnInitDataSize: prop = _optHeader.UninitDataSize; break;
+ case kpidImageSize: prop = _optHeader.ImageSize; break;
+ case kpidPhySize: prop = _totalSize; break;
+ case kpidHeadersSize: prop = _optHeader.HeadersSize; break;
+ case kpidChecksum: prop = _optHeader.CheckSum; break;
+
+ case kpidCpu: PAIR_TO_PROP(g_MachinePairs, _header.Machine, prop); break;
+ case kpidBit64: if (_optHeader.Is64Bit()) prop = true; break;
+ case kpidSubSystem: PAIR_TO_PROP(g_SubSystems, _optHeader.SubSystem, prop); break;
+
+ case kpidMTime:
+ case kpidCTime: TimeToProp(_header.Time, prop); break;
+ case kpidCharacts: FLAGS_TO_PROP(g_HeaderCharacts, _header.Flags, prop); break;
+ case kpidDllCharacts: FLAGS_TO_PROP(g_DllCharacts, _optHeader.DllCharacts, prop); break;
+ case kpidStackReserve: prop = _optHeader.StackReserve; break;
+ case kpidStackCommit: prop = _optHeader.StackCommit; break;
+ case kpidHeapReserve: prop = _optHeader.HeapReserve; break;
+ case kpidHeapCommit: prop = _optHeader.HeapCommit; break;
+ }
+ prop.Detach(value);
+ return S_OK;
+ COM_TRY_END
+}
+
+STDMETHODIMP CHandler::GetProperty(UInt32 index, PROPID propID, PROPVARIANT *value)
+{
+ COM_TRY_BEGIN
+ NCOM::CPropVariant prop;
+ const CSection &item = _sections[index];
+ switch(propID)
+ {
+ case kpidPath: StringToProp(item.Name, prop); break;
+ case kpidSize: prop = (UInt64)item.VSize; break;
+ case kpidPackSize: prop = (UInt64)item.GetPackSize(); break;
+ case kpidOffset: prop = item.Pa; break;
+ case kpidVa: if (item.IsRealSect) prop = item.Va; break;
+ case kpidMTime:
+ case kpidCTime:
+ TimeToProp(item.IsDebug ? item.Time : _header.Time, prop); break;
+ case kpidCharacts: if (item.IsRealSect) FLAGS_TO_PROP(g_SectFlags, item.Flags, prop); break;
+ }
+ prop.Detach(value);
+ return S_OK;
+ COM_TRY_END
+}
+
+HRESULT CHandler::LoadDebugSections(IInStream *stream, bool &thereIsSection)
+{
+ thereIsSection = false;
+ const CDirLink &debugLink = _optHeader.DirItems[kDirLink_Debug];
+ if (debugLink.Size == 0)
+ return S_OK;
+ const unsigned kEntrySize = 28;
+ UInt32 numItems = debugLink.Size / kEntrySize;
+ if (numItems * kEntrySize != debugLink.Size || numItems > 16)
+ return S_FALSE;
+
+ UInt64 pa = 0;
+ int i;
+ for (i = 0; i < _sections.Size(); i++)
+ {
+ const CSection &sect = _sections[i];
+ if (sect.Va < debugLink.Va && debugLink.Va + debugLink.Size <= sect.Va + sect.PSize)
+ {
+ pa = sect.Pa + (debugLink.Va - sect.Va);
+ break;
+ }
+ }
+ if (i == _sections.Size())
+ {
+ return S_OK;
+ // Exe for ARM requires S_OK
+ // return S_FALSE;
+ }
+
+ CByteBuffer buffer;
+ buffer.SetCapacity(debugLink.Size);
+ Byte *buf = buffer;
+
+ RINOK(stream->Seek(pa, STREAM_SEEK_SET, NULL));
+ RINOK(ReadStream_FALSE(stream, buf, debugLink.Size));
+
+ for (i = 0; i < (int)numItems; i++)
+ {
+ CDebugEntry de;
+ de.Parse(buf);
+
+ if (de.Size == 0)
+ continue;
+
+ CSection sect;
+ sect.Name = ".debug" + GetDecString(i);
+
+ sect.IsDebug = true;
+ sect.Time = de.Time;
+ sect.Va = de.Va;
+ sect.Pa = de.Pa;
+ sect.PSize = sect.VSize = de.Size;
+ UInt32 totalSize = sect.Pa + sect.PSize;
+ if (totalSize > _totalSize)
+ {
+ _totalSize = totalSize;
+ _sections.Add(sect);
+ thereIsSection = true;
+ }
+ buf += kEntrySize;
+ }
+
+ return S_OK;
+}
+
+HRESULT CHandler::Open2(IInStream *stream)
+{
+ const UInt32 kBufSize = 1 << 18;
+ const UInt32 kSigSize = 2;
+
+ CByteBuffer buffer;
+ buffer.SetCapacity(kBufSize);
+ Byte *buf = buffer;
+
+ size_t processed = kSigSize;
+ RINOK(ReadStream_FALSE(stream, buf, processed));
+ if (buf[0] != 'M' || buf[1] != 'Z')
+ return S_FALSE;
+ processed = kBufSize - kSigSize;
+ RINOK(ReadStream(stream, buf + kSigSize, &processed));
+ processed += kSigSize;
+ if (!Parse(buf, (UInt32)processed))
+ return S_FALSE;
+ bool thereISDebug;
+ RINOK(LoadDebugSections(stream, thereISDebug));
+
+ const CDirLink &certLink = _optHeader.DirItems[kDirLink_Certificate];
+ if (certLink.Size != 0)
+ {
+ CSection sect;
+ sect.Name = "CERTIFICATE";
+ sect.Va = 0;
+ sect.Pa = certLink.Va;
+ sect.PSize = sect.VSize = certLink.Size;
+ sect.UpdateTotalSize(_totalSize);
+ _sections.Add(sect);
+ }
+
+ if (thereISDebug)
+ {
+ const UInt32 kAlign = 1 << 12;
+ UInt32 alignPos = _totalSize & (kAlign - 1);
+ if (alignPos != 0)
+ {
+ UInt32 size = kAlign - alignPos;
+ RINOK(stream->Seek(_totalSize, STREAM_SEEK_SET, NULL));
+ buffer.Free();
+ buffer.SetCapacity(kAlign);
+ Byte *buf = buffer;
+ size_t processed = size;
+ RINOK(ReadStream(stream, buf, &processed));
+ size_t i;
+ for (i = 0; i < processed; i++)
+ {
+ if (buf[i] != 0)
+ break;
+ }
+ if (processed < size && processed < 100)
+ _totalSize += (UInt32)processed;
+ else if (((_totalSize + i) & 0x1FF) == 0 || processed < size)
+ _totalSize += (UInt32)i;
+ }
+ }
+
+ if (_header.NumSymbols > 0 && _header.PointerToSymbolTable >= 512)
+ {
+ if (_header.NumSymbols >= (1 << 24))
+ return S_FALSE;
+ CSection sect;
+ sect.Name = "COFF_SYMBOLS";
+ UInt32 size = _header.NumSymbols * 18;
+ RINOK(stream->Seek((UInt64)_header.PointerToSymbolTable + size, STREAM_SEEK_SET, NULL));
+ Byte buf[4];
+ RINOK(ReadStream_FALSE(stream, buf, 4));
+ UInt32 size2 = Get32(buf);
+ if (size2 >= (1 << 28))
+ return S_FALSE;
+ size += size2;
+
+ sect.Va = 0;
+ sect.Pa = _header.PointerToSymbolTable;
+ sect.PSize = sect.VSize = size;
+ sect.UpdateTotalSize(_totalSize);
+ _sections.Add(sect);
+ }
+
+ UInt64 fileSize;
+ RINOK(stream->Seek(0, STREAM_SEEK_END, &fileSize));
+ if (fileSize > _totalSize)
+ return S_FALSE;
+ _totalSizeLimited = (_totalSize < fileSize) ? _totalSize : (UInt32)fileSize;
+
+ {
+ CObjectVector<CSection> sections = _sections;
+ sections.Sort();
+ UInt32 limit = (1 << 12);
+ int num = 0;
+ for (int i = 0; i < sections.Size(); i++)
+ {
+ const CSection &s = sections[i];
+ if (s.Pa > limit)
+ {
+ CSection s2;
+ s2.Pa = s2.Va = limit;
+ s2.PSize = s2.VSize = s.Pa - limit;
+ char sz[32];
+ ConvertUInt64ToString(++num, sz);
+ s2.Name = "[data-";
+ s2.Name += sz;
+ s2.Name += "]";
+ _sections.Add(s2);
+ }
+ UInt32 next = s.Pa + s.PSize;
+ if (next < limit)
+ break;
+ limit = next;
+ }
+ }
+
+ return S_OK;
+}
+
+HRESULT CalcCheckSum(ISequentialInStream *stream, UInt32 size, UInt32 excludePos, UInt32 &res)
+{
+ // size &= ~1;
+ const UInt32 kBufSize = 1 << 23;
+ CByteBuffer buffer;
+ buffer.SetCapacity(kBufSize);
+ Byte *buf = buffer;
+
+ UInt32 sum = 0;
+ UInt32 pos;
+ for(pos = 0;;)
+ {
+ UInt32 rem = size - pos;
+ if (rem > kBufSize)
+ rem = kBufSize;
+ if (rem == 0)
+ break;
+ size_t processed = rem;
+ RINOK(ReadStream(stream, buf, &processed));
+
+ /*
+ for (; processed < rem; processed++)
+ buf[processed] = 0;
+ */
+
+ if ((processed & 1) != 0)
+ buf[processed] = 0;
+
+ for (int j = 0; j < 4; j++)
+ {
+ UInt32 p = excludePos + j;
+ if (pos <= p && p < pos + processed)
+ buf[p - pos] = 0;
+ }
+
+ for (size_t i = 0; i < processed; i += 2)
+ {
+ sum += Get16(buf + i);
+ sum = (sum + (sum >> 16)) & 0xFFFF;
+ }
+ pos += (UInt32)processed;
+ if (rem != processed)
+ break;
+ }
+ sum += pos;
+ res = sum;
+ return S_OK;
+}
+
+STDMETHODIMP CHandler::Open(IInStream *inStream,
+ const UInt64 * /* maxCheckStartPosition */,
+ IArchiveOpenCallback * /* openArchiveCallback */)
+{
+ COM_TRY_BEGIN
+ Close();
+ RINOK(Open2(inStream));
+ _inStream = inStream;
+ return S_OK;
+ COM_TRY_END
+}
+
+STDMETHODIMP CHandler::Close()
+{
+ _inStream.Release();
+ _sections.Clear();
+
+ return S_OK;
+}
+
+STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
+{
+ *numItems = _sections.Size();
+ return S_OK;
+}
+
+STDMETHODIMP CHandler::Extract(const UInt32* indices, UInt32 numItems,
+ Int32 _aTestMode, IArchiveExtractCallback *extractCallback)
+{
+ COM_TRY_BEGIN
+ bool testMode = (_aTestMode != 0);
+ bool allFilesMode = (numItems == UInt32(-1));
+ if (allFilesMode)
+ numItems = _sections.Size();
+ if (numItems == 0)
+ return S_OK;
+ UInt64 totalSize = 0;
+ UInt32 i;
+ for (i = 0; i < numItems; i++)
+ totalSize += _sections[allFilesMode ? i : indices[i]].GetPackSize();
+ extractCallback->SetTotal(totalSize);
+
+ UInt64 currentTotalSize = 0;
+ UInt64 currentItemSize;
+
+ NCompress::CCopyCoder *copyCoderSpec = new NCompress::CCopyCoder();
+ CMyComPtr<ICompressCoder> copyCoder = copyCoderSpec;
+
+ CLocalProgress *lps = new CLocalProgress;
+ CMyComPtr<ICompressProgressInfo> progress = lps;
+ lps->Init(extractCallback, false);
+
+ bool checkSumOK = true;
+ if (_optHeader.CheckSum != 0 && (int)numItems == _sections.Size())
+ {
+ UInt32 checkSum = 0;
+ RINOK(_inStream->Seek(0, STREAM_SEEK_SET, NULL));
+ CalcCheckSum(_inStream, _totalSizeLimited, _peOffset + kHeaderSize + 64, checkSum);
+ checkSumOK = (checkSum == _optHeader.CheckSum);
+ }
+
+ CLimitedSequentialInStream *streamSpec = new CLimitedSequentialInStream;
+ CMyComPtr<ISequentialInStream> inStream(streamSpec);
+ streamSpec->SetStream(_inStream);
+
+ for (i = 0; i < numItems; i++, currentTotalSize += currentItemSize)
+ {
+ lps->InSize = lps->OutSize = currentTotalSize;
+ RINOK(lps->SetCur());
+ Int32 askMode = testMode ?
+ NArchive::NExtract::NAskMode::kTest :
+ NArchive::NExtract::NAskMode::kExtract;
+ UInt32 index = allFilesMode ? i : indices[i];
+ const CSection &item = _sections[index];
+ currentItemSize = item.GetPackSize();
+
+ CMyComPtr<ISequentialOutStream> outStream;
+ RINOK(extractCallback->GetStream(index, &outStream, askMode));
+ if (!testMode && !outStream)
+ continue;
+
+ RINOK(extractCallback->PrepareOperation(askMode));
+ RINOK(_inStream->Seek(item.Pa, STREAM_SEEK_SET, NULL));
+ streamSpec->Init(currentItemSize);
+ RINOK(copyCoder->Code(inStream, outStream, NULL, NULL, progress));
+ outStream.Release();
+ RINOK(extractCallback->SetOperationResult((copyCoderSpec->TotalSize == currentItemSize) ?
+ checkSumOK ?
+ NArchive::NExtract::NOperationResult::kOK:
+ NArchive::NExtract::NOperationResult::kCRCError:
+ NArchive::NExtract::NOperationResult::kDataError));
+ }
+ return S_OK;
+ COM_TRY_END
+}
+
+static IInArchive *CreateArc() { return new CHandler; }
+
+static CArcInfo g_ArcInfo =
+ { L"PE", L"", 0, 0xDD, { 0 }, 0, false, CreateArc, 0 };
+
+REGISTER_ARC(Pe)
+
+}}