9.34

2026-01-31 10:24:13 -06:00 · 2014-11-23 00:00:00 +00:00
parent 83f8ddcc5b
commit f08f4dcc3c
1158 changed files with 76451 additions and 35082 deletions
@@ -4,10 +4,10 @@

 #include "../../../C/CpuArch.h"

-#include "Common/ComTry.h"
-#include "Common/MyString.h"
+#include "../../Common/ComTry.h"
+#include "../../Common/MyString.h"

-#include "Windows/PropVariant.h"
+#include "../../Windows/PropVariant.h"

 #include "../Common/InBuffer.h"
 #include "../Common/ProgressUtils.h"
@@ -19,28 +19,45 @@
 namespace NArchive {
 namespace NMslz {

+static const UInt32 kUnpackSizeMax = 0xFFFFFFE0;
+
 class CHandler:
  public IInArchive,
+  public IArchiveOpenSeq,
  public CMyUnknownImp
 {
-  CMyComPtr<IInStream> _stream;
-  UInt32 _size;
+  CMyComPtr<IInStream> _inStream;
+  CMyComPtr<ISequentialInStream> _seqStream;
+
+  bool _isArc;
+  bool _needSeekToStart;
+  bool _dataAfterEnd;
+  bool _needMoreInput;
+
+  bool _packSize_Defined;
+  bool _unpackSize_Defined;
+
+  UInt32 _unpackSize;
  UInt64 _packSize;
+  UInt64 _originalFileSize;
  UString _name;
+
+  void ParseName(Byte replaceByte, IArchiveOpenCallback *callback);
 public:
-  MY_UNKNOWN_IMP1(IInArchive)
+  MY_UNKNOWN_IMP2(IInArchive, IArchiveOpenSeq)
  INTERFACE_IInArchive(;)
+  STDMETHOD(OpenSeq)(ISequentialInStream *stream);
 };

-STATPROPSTG kProps[] =
+static const Byte kProps[] =
 {
-  { NULL, kpidPath, VT_BSTR},
-  { NULL, kpidSize, VT_UI8},
-  { NULL, kpidPackSize, VT_UI8},
+  kpidPath,
+  kpidSize,
+  kpidPackSize,
 };

 IMP_IInArchive_Props
-IMP_IInArchive_ArcProps_NO
+IMP_IInArchive_ArcProps_NO_Table

 STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
 {
@@ -48,15 +65,39 @@ STDMETHODIMP CHandler::GetNumberOfItems(UInt32 *numItems)
  return S_OK;
 }

+STDMETHODIMP CHandler::GetArchiveProperty(PROPID propID, PROPVARIANT *value)
+{
+  COM_TRY_BEGIN
+  NWindows::NCOM::CPropVariant prop;
+  switch (propID)
+  {
+    case kpidExtension: prop = "mslz"; break;
+    case kpidIsNotArcType: prop = true; break;
+    case kpidPhySize: if (_packSize_Defined) prop = _packSize; break;
+    case kpidErrorFlags:
+    {
+      UInt32 v = 0;
+      if (!_isArc) v |= kpv_ErrorFlags_IsNotArc;;
+      if (_needMoreInput) v |= kpv_ErrorFlags_UnexpectedEnd;
+      if (_dataAfterEnd) v |= kpv_ErrorFlags_DataAfterEnd;
+      prop = v;
+    }
+  }
+  prop.Detach(value);
+  return S_OK;
+  COM_TRY_END
+}
+
+
 STDMETHODIMP CHandler::GetProperty(UInt32 /* index */, PROPID propID, PROPVARIANT *value)
 {
  COM_TRY_BEGIN
  NWindows::NCOM::CPropVariant prop;
-  switch(propID)
+  switch (propID)
  {
    case kpidPath: if (!_name.IsEmpty()) prop = _name; break;
-    case kpidSize: prop = _size; break;
-    case kpidPackSize: prop = _packSize; break;
+    case kpidSize: if (_unpackSize_Defined || _inStream) prop = _unpackSize; break;
+    case kpidPackSize: if (_packSize_Defined || _inStream) prop = _packSize; break;
  }
  prop.Detach(value);
  return S_OK;
@@ -67,69 +108,80 @@ static const unsigned kSignatureSize = 9;
 static const unsigned kHeaderSize = kSignatureSize + 1 + 4;
 #define MSLZ_SIGNATURE { 0x53, 0x5A, 0x44, 0x44, 0x88, 0xF0, 0x27, 0x33, 0x41 }
 // old signature: 53 5A 20 88 F0 27 33
-static const Byte signature[kSignatureSize] = MSLZ_SIGNATURE;
+static const Byte kSignature[kSignatureSize] = MSLZ_SIGNATURE;

-static const wchar_t *g_Exts[] =
+// we support only 3 chars strings here
+static const char *g_Exts[] =
 {
-  L"dll",
-  L"exe",
-  L"kmd",
-  L"sys"
+    "dll"
+  , "exe"
+  , "kmd"
+  , "sys"
 };

+void CHandler::ParseName(Byte replaceByte, IArchiveOpenCallback *callback)
+{
+  if (!callback)
+    return;
+  CMyComPtr<IArchiveOpenVolumeCallback> volumeCallback;
+  callback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&volumeCallback);
+  if (!volumeCallback)
+    return;
+
+  NWindows::NCOM::CPropVariant prop;
+  if (volumeCallback->GetProperty(kpidName, &prop) != S_OK || prop.vt != VT_BSTR)
+    return;
+
+  UString s = prop.bstrVal;
+  if (s.IsEmpty() ||
+      s.Back() != L'_')
+    return;
+  
+  s.DeleteBack();
+  _name = s;
+   
+  if (replaceByte == 0)
+  {
+    if (s.Len() < 3 || s[s.Len() - 3] != '.')
+      return;
+    for (unsigned i = 0; i < ARRAY_SIZE(g_Exts); i++)
+    {
+      const char *ext = g_Exts[i];
+      if (s[s.Len() - 2] == ext[0] &&
+          s[s.Len() - 1] == ext[1])
+      {
+        replaceByte = ext[2];
+        break;
+      }
+    }
+  }
+  if (replaceByte >= 0x20 && replaceByte < 0x80)
+    _name += (wchar_t)replaceByte;
+}
+
 STDMETHODIMP CHandler::Open(IInStream *stream, const UInt64 * /* maxCheckStartPosition */,
    IArchiveOpenCallback *callback)
 {
  COM_TRY_BEGIN
  {
    Close();
+    _needSeekToStart = true;
    Byte buffer[kHeaderSize];
    RINOK(ReadStream_FALSE(stream, buffer, kHeaderSize));
-    if (memcmp(buffer, signature, kSignatureSize) != 0)
+    if (memcmp(buffer, kSignature, kSignatureSize) != 0)
      return S_FALSE;
-    _size = GetUi32(buffer + 10);
-    if (_size > 0xFFFFFFE0)
+    _unpackSize = GetUi32(buffer + 10);
+    if (_unpackSize > kUnpackSizeMax)
      return S_FALSE;
-    RINOK(stream->Seek(0, STREAM_SEEK_END, &_packSize));
+    RINOK(stream->Seek(0, STREAM_SEEK_END, &_originalFileSize));
+    _packSize = _originalFileSize;

-    if (callback)
-    {
-      CMyComPtr<IArchiveOpenVolumeCallback> openVolumeCallback;
-      callback->QueryInterface(IID_IArchiveOpenVolumeCallback, (void **)&openVolumeCallback);
-      if (openVolumeCallback)
-      {
-        NWindows::NCOM::CPropVariant prop;
-        if (openVolumeCallback->GetProperty(kpidName, &prop) == S_OK && prop.vt == VT_BSTR)
-        {
-          UString baseName = prop.bstrVal;
-          if (!baseName.IsEmpty() && baseName.Back() == L'_')
-          {
-            baseName.DeleteBack();
-            Byte replaceByte = buffer[kSignatureSize];
-            if (replaceByte == 0)
-            {
-              for (int i = 0; i < sizeof(g_Exts) / sizeof(g_Exts[0]); i++)
-              {
-                UString s = g_Exts[i];
-                int len = s.Length();
-                Byte b = (Byte)s.Back();
-                s.DeleteBack();
-                if (baseName.Length() >= len &&
-                    baseName[baseName.Length() - len] == '.' &&
-                    s.CompareNoCase(baseName.Right(len - 1)) == 0)
-                {
-                  replaceByte = b;
-                  break;
-                }
-              }
-            }
-            if (replaceByte >= 0x20 && replaceByte < 0x80)
-              _name = baseName + (wchar_t)replaceByte;
-          }
-        }
-      }
-    }
-    _stream = stream;
+    ParseName(buffer[kSignatureSize], callback);
+
+    _isArc = true;
+    _unpackSize_Defined = true;
+    _inStream = stream;
+    _seqStream = stream;
  }
  return S_OK;
  COM_TRY_END
@@ -137,7 +189,20 @@ STDMETHODIMP CHandler::Open(IInStream *stream, const UInt64 * /* maxCheckStartPo

 STDMETHODIMP CHandler::Close()
 {
-  _stream.Release();
+  _originalFileSize = 0;
+  _packSize = 0;
+  _unpackSize = 0;
+
+  _isArc = false;
+  _needSeekToStart = false;
+  _dataAfterEnd = false;
+  _needMoreInput = false;
+
+  _packSize_Defined = false;
+  _unpackSize_Defined =  false;
+
+  _seqStream.Release();
+  _inStream.Release();
  _name.Empty();
  return S_OK;
 }
@@ -147,12 +212,13 @@ STDMETHODIMP CHandler::Close()
 //   maxLen = 16; MS

 #define PROGRESS_AND_WRITE \
-  if ((dest & kMask) == 0) { RINOK(WriteStream(outStream, buf, kBufSize)); \
+  if ((dest & kMask) == 0) { if (outStream) RINOK(WriteStream(outStream, buf, kBufSize)); \
    if ((dest & ((1 << 20) - 1)) == 0) \
-    { UInt64 inSize = inStream.GetProcessedSize(); UInt64 outSize = dest; \
-      RINOK(progress->SetRatioInfo(&inSize, &outSize)); }}
+    if (progress) \
+      { UInt64 inSize = inStream.GetProcessedSize(); UInt64 outSize = dest; \
+        RINOK(progress->SetRatioInfo(&inSize, &outSize)); }}

-static HRESULT MslzDec(CInBuffer &inStream, ISequentialOutStream *outStream, UInt32 unpackSize, ICompressProgressInfo *progress)
+static HRESULT MslzDec(CInBuffer &inStream, ISequentialOutStream *outStream, UInt32 unpackSize, bool &needMoreData, ICompressProgressInfo *progress)
 {
  const unsigned kBufSize = (1 << 12);
  const unsigned kMask = kBufSize - 1;
@@ -163,11 +229,17 @@ static HRESULT MslzDec(CInBuffer &inStream, ISequentialOutStream *outStream, UIn
  {
    Byte b;
    if (!inStream.ReadByte(b))
+    {
+      needMoreData = true;
      return S_FALSE;
+    }
    for (unsigned mask = (unsigned)b | 0x100; mask > 1 && dest < unpackSize; mask >>= 1)
    {
      if (!inStream.ReadByte(b))
+      {
+        needMoreData = true;
        return S_FALSE;
+      }
      if (mask & 1)
      {
        buf[dest++ & kMask] = b;
@@ -177,7 +249,10 @@ static HRESULT MslzDec(CInBuffer &inStream, ISequentialOutStream *outStream, UIn
      {
        Byte b1;
        if (!inStream.ReadByte(b1))
+        {
+          needMoreData = true;
          return S_FALSE;
+        }
        const unsigned kMaxLen = 16; // 18 in Okumura's code.
        unsigned src = (((((unsigned)b1 & 0xF0) << 4) | b) + kMaxLen) & kMask;
        unsigned len = (b1 & 0xF) + 3;
@@ -192,7 +267,19 @@ static HRESULT MslzDec(CInBuffer &inStream, ISequentialOutStream *outStream, UIn
      }
    }
  }
-  return WriteStream(outStream, buf, dest & kMask);
+  if (outStream)
+    RINOK(WriteStream(outStream, buf, dest & kMask));
+  return S_OK;
+}
+
+STDMETHODIMP CHandler::OpenSeq(ISequentialInStream *stream)
+{
+  COM_TRY_BEGIN
+  Close();
+  _isArc = true;
+  _seqStream = stream;
+  return S_OK;
+  COM_TRY_END
 }

 STDMETHODIMP CHandler::Extract(const UInt32 *indices, UInt32 numItems,
@@ -201,10 +288,10 @@ STDMETHODIMP CHandler::Extract(const UInt32 *indices, UInt32 numItems,
  COM_TRY_BEGIN
  if (numItems == 0)
    return S_OK;
-  if (numItems != (UInt32)-1 && (numItems != 1 || indices[0] != 0))
+  if (numItems != (UInt32)(Int32)-1 && (numItems != 1 || indices[0] != 0))
    return E_INVALIDARG;

-  extractCallback->SetTotal(_size);
+  // extractCallback->SetTotal(_unpackSize);

  CMyComPtr<ISequentialOutStream> realOutStream;
  Int32 askMode = testMode ?
@@ -225,32 +312,81 @@ STDMETHODIMP CHandler::Extract(const UInt32 *indices, UInt32 numItems,
  CLocalProgress *lps = new CLocalProgress;
  CMyComPtr<ICompressProgressInfo> progress = lps;
  lps->Init(extractCallback, false);
-  
-  RINOK(_stream->Seek(0, STREAM_SEEK_SET, NULL));
-  CInBuffer s;
-  if (!s.Create(1 << 20))
-    return E_OUTOFMEMORY;
-  s.SetStream(_stream);
-  s.Init();
-  Byte buffer[kHeaderSize];
-  Int32 opRes = NExtract::NOperationResult::kDataError;
-  if (s.ReadBytes(buffer, kHeaderSize) == kHeaderSize)
+
+  if (_needSeekToStart)
  {
-    HRESULT result = MslzDec(s, outStream, _size, progress);
-    if (result == S_OK)
-      opRes = NExtract::NOperationResult::kOK;
-    else if (result != S_FALSE)
-      return result;
+    if (!_inStream)
+      return E_FAIL;
+    RINOK(_inStream->Seek(0, STREAM_SEEK_SET, NULL));
  }
+  else
+    _needSeekToStart = true;
+
+  Int32 opRes = NExtract::NOperationResult::kDataError;
+
+  bool isArc = false;
+  bool needMoreInput = false;
+  try
+  {
+    CInBuffer s;
+    if (!s.Create(1 << 20))
+      return E_OUTOFMEMORY;
+    s.SetStream(_seqStream);
+    s.Init();
+    
+    Byte buffer[kHeaderSize];
+    if (s.ReadBytes(buffer, kHeaderSize) == kHeaderSize)
+    {
+      UInt32 unpackSize;
+      if (memcmp(buffer, kSignature, kSignatureSize) == 0)
+      {
+        unpackSize = GetUi32(buffer + 10);
+        if (unpackSize <= kUnpackSizeMax)
+        {
+          HRESULT result = MslzDec(s, outStream, unpackSize, needMoreInput, progress);
+          if (result == S_OK)
+            opRes = NExtract::NOperationResult::kOK;
+          else if (result != S_FALSE)
+            return result;
+          _unpackSize = unpackSize;
+          _unpackSize_Defined = true;
+
+          _packSize = s.GetProcessedSize();
+          _packSize_Defined = true;
+
+          if (_inStream && _packSize < _originalFileSize)
+            _dataAfterEnd = true;
+          
+          isArc = true;
+        }
+      }
+    }
+  }
+  catch (CInBufferException &e) { return e.ErrorCode; }
+
+  _isArc = isArc;
+  if (isArc)
+    _needMoreInput = needMoreInput;
+  if (!_isArc)
+    opRes = NExtract::NOperationResult::kIsNotArc;
+  else if (_needMoreInput)
+    opRes = NExtract::NOperationResult::kUnexpectedEnd;
+  else if (_dataAfterEnd)
+    opRes = NExtract::NOperationResult::kDataAfterEnd;
+
  outStream.Release();
  return extractCallback->SetOperationResult(opRes);
  COM_TRY_END
 }

-static IInArchive *CreateArc() { return new CHandler; }
+IMP_CreateArcIn

 static CArcInfo g_ArcInfo =
-  { L"MsLZ", L"", 0, 0xD5, MSLZ_SIGNATURE, kSignatureSize, false, CreateArc, 0 };
+  { "MsLZ", "mslz", 0, 0xD5,
+  kSignatureSize, MSLZ_SIGNATURE,
+  0,
+  0,
+  CreateArc };

 REGISTER_ARC(Mslz)