yacreader/compressed_archive/libp7zip.patch
Luis Ángel San Martín Rodríguez 065f0456a8 Revert "Remove patch no longer needed"
This reverts commit 621ee05925.
2022-10-01 09:53:31 +02:00

306 lines
8.2 KiB
Diff

previous patch
--- libp7zip/CPP/include_windows/windows.h
+++ libp7zip/CPP/include_windows/windows.h
@@ -36,7 +36,7 @@
#define WINAPI
#undef BOOL
-typedef int BOOL;
+typedef signed char BOOL;
#define CREATE_NEW 1
fix linux build
--- libp7zip/CPP/myWindows/StdAfx.h
+++ libp7zip/CPP/myWindows/StdAfx.h
@@ -206,8 +206,6 @@
#if defined( __x86_64__ )
-#define _WIN64 1
-
#endif
#endif
CVE-2016-9296
--- libp7zip/CPP/7zip/Archive/7z/7zIn.cpp
+++ libp7zip/CPP/7zip/Archive/7z/7zIn.cpp
@@ -1097,7 +1097,8 @@
if (CrcCalc(data, unpackSize) != folders.FolderCRCs.Vals[i])
ThrowIncorrect();
}
- HeadersSize += folders.PackPositions[folders.NumPackStreams];
+ if (folders.PackPositions)
+ HeadersSize += folders.PackPositions[folders.NumPackStreams];
return S_OK;
}
CVE-2017-17969
--- libp7zip/CPP/7zip/Compress/ShrinkDecoder.cpp
+++ libp7zip/CPP/7zip/Compress/ShrinkDecoder.cpp
@@ -121,8 +121,13 @@
{
_stack[i++] = _suffixes[cur];
cur = _parents[cur];
+ if (cur >= kNumItems || i >= kNumItems)
+ break;
}
-
+
+ if (cur >= kNumItems || i >= kNumItems)
+ break;
+
_stack[i++] = (Byte)cur;
lastChar2 = (Byte)cur;
CVE-2018-5996
--- libp7zip/CPP/7zip/Compress/Rar1Decoder.cpp
+++ libp7zip/CPP/7zip/Compress/Rar1Decoder.cpp
@@ -29,7 +29,7 @@ public:
};
*/
-CDecoder::CDecoder(): m_IsSolid(false) { }
+CDecoder::CDecoder(): m_IsSolid(false), _errorMode(false) { }
void CDecoder::InitStructures()
{
@@ -406,9 +406,14 @@ HRESULT CDecoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream *
InitData();
if (!m_IsSolid)
{
+ _errorMode = false;
InitStructures();
InitHuff();
}
+
+ if (_errorMode)
+ return S_FALSE;
+
if (m_UnpackSize > 0)
{
GetFlagsBuf();
@@ -477,9 +482,9 @@ STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream
const UInt64 *inSize, const UInt64 *outSize, ICompressProgressInfo *progress)
{
try { return CodeReal(inStream, outStream, inSize, outSize, progress); }
- catch(const CInBufferException &e) { return e.ErrorCode; }
- catch(const CLzOutWindowException &e) { return e.ErrorCode; }
- catch(...) { return S_FALSE; }
+ catch(const CInBufferException &e) { _errorMode = true; return e.ErrorCode; }
+ catch(const CLzOutWindowException &e) { _errorMode = true; return e.ErrorCode; }
+ catch(...) { _errorMode = true; return S_FALSE; }
}
STDMETHODIMP CDecoder::SetDecoderProperties2(const Byte *data, UInt32 size)
CVE-2018-5996
--- libp7zip/CPP/7zip/Compress/Rar1Decoder.h
+++ libp7zip/CPP/7zip/Compress/Rar1Decoder.h
@@ -39,6 +39,7 @@ public:
Int64 m_UnpackSize;
bool m_IsSolid;
+ bool _errorMode;
UInt32 ReadBits(int numBits);
HRESULT CopyBlock(UInt32 distance, UInt32 len);
CVE-2018-5996
--- libp7zip/CPP/7zip/Compress/Rar2Decoder.cpp
+++ blibp7zip/CPP/7zip/Compress/Rar2Decoder.cpp
@@ -80,7 +80,8 @@ static const UInt32 kHistorySize = 1 << 20;
static const UInt32 kWindowReservSize = (1 << 22) + 256;
CDecoder::CDecoder():
- m_IsSolid(false)
+ m_IsSolid(false),
+ m_TablesOK(false)
{
}
@@ -100,6 +101,8 @@ UInt32 CDecoder::ReadBits(unsigned numBits) { return m_InBitStream.ReadBits(numB
bool CDecoder::ReadTables(void)
{
+ m_TablesOK = false;
+
Byte levelLevels[kLevelTableSize];
Byte newLevels[kMaxTableSize];
m_AudioMode = (ReadBits(1) == 1);
@@ -170,6 +173,8 @@ bool CDecoder::ReadTables(void)
}
memcpy(m_LastLevels, newLevels, kMaxTableSize);
+ m_TablesOK = true;
+
return true;
}
@@ -344,6 +349,9 @@ HRESULT CDecoder::CodeReal(ISequentialInStream *inStream, ISequentialOutStream *
return S_FALSE;
}
+ if (!m_TablesOK)
+ return S_FALSE;
+
UInt64 startPos = m_OutWindowStream.GetProcessedSize();
while (pos < unPackSize)
{
CVE-2018-5996
--- libp7zip/CPP/7zip/Compress/Rar2Decoder.h
+++ libp7zip/CPP/7zip/Compress/Rar2Decoder.h
@@ -139,6 +139,7 @@ class CDecoder :
UInt64 m_PackSize;
bool m_IsSolid;
+ bool m_TablesOK;
void InitStructures();
UInt32 ReadBits(unsigned numBits);
CVE-2018-5996
--- libp7zip/CPP/7zip/Compress/Rar3Decoder.cpp
+++ libp7zip/CPP/7zip/Compress/Rar3Decoder.cpp
@@ -92,7 +92,8 @@ CDecoder::CDecoder():
_writtenFileSize(0),
_vmData(0),
_vmCode(0),
- m_IsSolid(false)
+ m_IsSolid(false),
+ _errorMode(false)
{
Ppmd7_Construct(&_ppmd);
}
@@ -545,6 +546,9 @@ HRESULT CDecoder::ReadTables(bool &keepDecompressing)
return InitPPM();
}
+ TablesRead = false;
+ TablesOK = false;
+
_lzMode = true;
PrevAlignBits = 0;
PrevAlignCount = 0;
@@ -606,6 +610,9 @@ HRESULT CDecoder::ReadTables(bool &keepDecompressing)
}
}
}
+ if (InputEofError())
+ return S_FALSE;
+
TablesRead = true;
// original code has check here:
@@ -623,6 +630,9 @@ HRESULT CDecoder::ReadTables(bool &keepDecompressing)
RIF(m_LenDecoder.Build(&newLevels[kMainTableSize + kDistTableSize + kAlignTableSize]));
memcpy(m_LastLevels, newLevels, kTablesSizesSum);
+
+ TablesOK = true;
+
return S_OK;
}
@@ -824,7 +834,12 @@ HRESULT CDecoder::CodeReal(ICompressProgressInfo *progress)
PpmEscChar = 2;
PpmError = true;
InitFilters();
+ _errorMode = false;
}
+
+ if (_errorMode)
+ return S_FALSE;
+
if (!m_IsSolid || !TablesRead)
{
bool keepDecompressing;
@@ -838,6 +853,8 @@ HRESULT CDecoder::CodeReal(ICompressProgressInfo *progress)
bool keepDecompressing;
if (_lzMode)
{
+ if (!TablesOK)
+ return S_FALSE;
RINOK(DecodeLZ(keepDecompressing))
}
else
@@ -901,8 +918,8 @@ STDMETHODIMP CDecoder::Code(ISequentialInStream *inStream, ISequentialOutStream
_unpackSize = outSize ? *outSize : (UInt64)(Int64)-1;
return CodeReal(progress);
}
- catch(const CInBufferException &e) { return e.ErrorCode; }
- catch(...) { return S_FALSE; }
+ catch(const CInBufferException &e) { _errorMode = true; return e.ErrorCode; }
+ catch(...) { _errorMode = true; return S_FALSE; }
// CNewException is possible here. But probably CNewException is caused
// by error in data stream.
}
CVE-2018-5996
--- libp7zip/CPP/7zip/Compress/Rar3Decoder.h
+++ libp7zip/CPP/7zip/Compress/Rar3Decoder.h
@@ -192,6 +192,7 @@ class CDecoder:
UInt32 _lastFilter;
bool m_IsSolid;
+ bool _errorMode;
bool _lzMode;
bool _unsupportedFilter;
@@ -200,6 +201,7 @@ class CDecoder:
UInt32 PrevAlignCount;
bool TablesRead;
+ bool TablesOK;
CPpmd7 _ppmd;
int PpmEscChar;
CVE-2021-3465
--- libp7zip/CPP/7zip/Common/StreamObjects.cpp
+++ libp7zip/CPP/7zip/Common/StreamObjects.cpp
@@ -157,6 +157,8 @@ STDMETHODIMP CDynBufSeqOutStream::Write(
STDMETHODIMP CBufPtrSeqOutStream::Write(const void *data, UInt32 size, UInt32 *processedSize)
{
+ if(_buffer == nullptr || _size == _pos)
+ return E_FAIL;
size_t rem = _size - _pos;
if (rem > size)
rem = (size_t)size;
GCC10 warning fix
--- libp7zip/CPP/Windows/ErrorMsg.cpp 2015-01-18 11:20:28.000000000 -0700
+++ libp7zip/CPP/Windows/ErrorMsg.cpp 2019-09-24 13:01:18.887289152 -0600
@@ -14,14 +14,14 @@ UString MyFormatMessage(DWORD errorCode)
AString msg;
switch(errorCode) {
- case ERROR_NO_MORE_FILES : txt = "No more files"; break ;
- case E_NOTIMPL : txt = "E_NOTIMPL"; break ;
- case E_NOINTERFACE : txt = "E_NOINTERFACE"; break ;
- case E_ABORT : txt = "E_ABORT"; break ;
- case E_FAIL : txt = "E_FAIL"; break ;
- case STG_E_INVALIDFUNCTION : txt = "STG_E_INVALIDFUNCTION"; break ;
- case E_OUTOFMEMORY : txt = "E_OUTOFMEMORY"; break ;
- case E_INVALIDARG : txt = "E_INVALIDARG"; break ;
+ case unsigned (ERROR_NO_MORE_FILES) : txt = "No more files"; break ;
+ case unsigned (E_NOTIMPL) : txt = "E_NOTIMPL"; break ;
+ case unsigned (E_NOINTERFACE) : txt = "E_NOINTERFACE"; break ;
+ case unsigned (E_ABORT) : txt = "E_ABORT"; break ;
+ case unsigned (E_FAIL) : txt = "E_FAIL"; break ;
+ case unsigned (STG_E_INVALIDFUNCTION) : txt = "STG_E_INVALIDFUNCTION"; break ;
+ case unsigned (E_OUTOFMEMORY) : txt = "E_OUTOFMEMORY"; break ;
+ case unsigned (E_INVALIDARG) : txt = "E_INVALIDARG"; break ;
case ERROR_DIRECTORY : txt = "Error Directory"; break ;
default:
txt = strerror(errorCode);