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diff --git a/SFmpqapi.cpp b/SFmpqapi.cpp
--- a/SFmpqapi.cpp
+++ b/SFmpqapi.cpp
// Includes
#include <windows.h>
-#include <malloc.h>
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <shellapi.h>
#endif
-#include "SComp.h"
+#include "../SComp/SComp.h"
+#include "MpqCrypt.h"
+#include "MpqHashTable.h"
+#include "MpqBlockTable.h"
#include "SFmpqapi.h"
+#include "SFUtil.h"
+#include "SFTypes.h"
struct SFMPQAPIMODULE {
SFMPQAPIMODULE();
#define MAX_MPQ_PATH 260;
-#define HASH_POSITION 0
-#define HASH_NAME_A 1
-#define HASH_NAME_B 2
-#define HASH_KEY 3
-
-BOOL bCryptTableInit = FALSE;
-DWORD dwCryptTable[0x500];
-DWORD dwHashTableKey;
-DWORD dwBlockTableKey;
MPQARCHIVE **lpOpenMpq = 0;
DWORD dwOpenMpqCount = 0;
MPQARCHIVE * FirstLastMpq[2] = {0,0};
char StormBasePath[MAX_PATH+1];
-#define UNSUPPORTED_COMPRESSION (0xFF ^ (0x40 | 0x80 | 0x01 | 0x02 | 0x08))
-#define UNSUPPORTED_DECOMPRESSION (0xFF ^ (0x40 | 0x80 | 0x01 | 0x02 | 0x08))
-
typedef BOOL (WINAPI* funcSCompCompress)(LPVOID lpvDestinationMem, LPDWORD lpdwCompressedSize, LPVOID lpvSourceMem, DWORD dwDecompressedSize, DWORD dwCompressionType, DWORD dwCompressionSubType, DWORD dwWAVQuality);
typedef BOOL (WINAPI* funcSCompDecompress)(LPVOID lpvDestinationMem, LPDWORD lpdwDecompressedSize, LPVOID lpvSourceMem, DWORD dwCompressedSize);
funcSCompCompress stormSCompCompress = 0;
void LoadStorm();
void FreeStorm();
-LPVOID WINAPI SFAlloc(DWORD dwSize);
-void WINAPI SFFree(LPVOID lpvMemory);
-void WINAPI SFMemZero(LPVOID lpvDestination, DWORD dwLength);
BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags, MPQHANDLE *hMPQ, DWORD dwFlags2, DWORD dwMaximumFilesInArchive, DWORD dwBlockSize);
DWORD WINAPI FindMpqHeaderAtLocation(HANDLE hFile, DWORD dwStart, DWORD dwLength);
DWORD GetFullPath(LPCSTR lpFileName, char *lpBuffer, DWORD dwBufferLength);
DWORD GetHandleType(MPQHANDLE hFile);
BOOL AddToInternalListing(MPQHANDLE hMPQ, LPCSTR lpFileName);
BOOL RemoveFromInternalListing(MPQHANDLE hMPQ, LPCSTR lpFileName);
-size_t strlnlen(const char *strline);
-char *nextline(const char *strline);
-BOOL InitCryptTable();
-DWORD HashString(LPCSTR lpszString, DWORD dwHashType);
-BOOL EncryptData(LPBYTE lpbyBuffer, DWORD dwLength, DWORD dwKey);
-BOOL DecryptData(LPBYTE lpbyBuffer, DWORD dwLength, DWORD dwKey);
-static DWORD DetectFileSeed(DWORD * block, DWORD decrypted, DWORD blocksize);
DWORD DetectFileSeedEx(MPQARCHIVE * mpqOpenArc, HASHTABLEENTRY * lpHashEntry, LPCSTR * lplpFileName);
BOOL APIENTRY DllMain( HINSTANCE hInstDLL,
return TRUE;
}
-LPVOID WINAPI SFAlloc(DWORD dwSize)
-{
- LPVOID lpMemory = malloc(dwSize);
- if (lpMemory) SFMemZero(lpMemory,dwSize);
- return lpMemory;
-}
-
-void WINAPI SFFree(LPVOID lpvMemory)
-{
- if (lpvMemory) free(lpvMemory);
-}
-
-void WINAPI SFMemZero(LPVOID lpvDestination, DWORD dwLength)
-{
- DWORD dwPrevLen = dwLength;
- LPDWORD lpdwDestination = (LPDWORD)lpvDestination;
- LPBYTE lpbyDestination;
-
- dwLength >>= 2;
-
- while (dwLength--)
- *lpdwDestination++ = 0;
-
- lpbyDestination = (LPBYTE)lpdwDestination;
-
- dwLength = dwPrevLen;
- dwLength &= 3;
-
- while (dwLength--)
- *lpbyDestination++ = 0;
-}
-
TempAlloc::TempAlloc()
{
lpAllocAddress = 0;
@@ -410,7 +360,7 @@ BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags,
}
DWORD dwMpqStart;
MPQARCHIVE *mpqOpenArc;
- if (GetFileSize(hFile,0)==0 && !(dwFlags2 & MOAU_READ_ONLY))
+ if (SFGetFileSize(hFile)==0 && !(dwFlags2 & MOAU_READ_ONLY))
{
dwMpqStart = 0;
mpqOpenArc = (MPQARCHIVE *)SFAlloc(sizeof(MPQARCHIVE));
@@ -472,7 +422,7 @@ BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags,
*hMPQ = 0;
return FALSE;
}
- flen = GetFileSize(hFile,0);
+ flen = SFGetFileSize(hFile);
mpqOpenArc = (MPQARCHIVE *)SFAlloc(sizeof(MPQARCHIVE));
if (!mpqOpenArc) {
SFFree(lpnOpenMpq);
@@ -480,7 +430,7 @@ BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags,
*hMPQ = 0;
return FALSE;
}
- SetFilePointer(hFile,dwMpqStart,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,dwMpqStart,FILE_BEGIN);
if(ReadFile(hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0)==0) {
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
@@ -507,7 +457,7 @@ BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags,
return FALSE;
}
}
- SetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwHashTableOffset,FILE_BEGIN);
if(ReadFile(hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0)==0) {
if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
@@ -518,7 +468,7 @@ BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags,
return FALSE;
}
if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
- SetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,FILE_BEGIN);
if(ReadFile(hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0)==0) {
SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
@@ -614,7 +564,7 @@ BOOL SFMPQAPI WINAPI SFileOpenFileAsArchive(MPQHANDLE hSourceMPQ, LPCSTR lpFileN
}
DWORD dwMpqStart;
MPQARCHIVE *mpqOpenArc;
- dwMpqStart = mpqArcFile.lpBlockEntry->dwFileOffset;
+ dwMpqStart = mpqArcFile.lpParentArc->dwMPQStart + mpqArcFile.lpBlockEntry->dwFileOffset;
flen = mpqArcFile.lpBlockEntry->dwFullSize;
dwMpqStart = FindMpqHeaderAtLocation(hFile,dwMpqStart,flen);
if (dwMpqStart==0xFFFFFFFF) {
@@ -629,7 +579,7 @@ BOOL SFMPQAPI WINAPI SFileOpenFileAsArchive(MPQHANDLE hSourceMPQ, LPCSTR lpFileN
*hMPQ = 0;
return FALSE;
}
- SetFilePointer(hFile,dwMpqStart,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,dwMpqStart,FILE_BEGIN);
if(ReadFile(hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0)==0) {
SFFree(lpnOpenMpq);
SFFree(mpqOpenArc);
@@ -653,7 +603,7 @@ BOOL SFMPQAPI WINAPI SFileOpenFileAsArchive(MPQHANDLE hSourceMPQ, LPCSTR lpFileN
return FALSE;
}
}
- SetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwHashTableOffset,FILE_BEGIN);
if(ReadFile(hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0)==0) {
if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
@@ -663,7 +613,7 @@ BOOL SFMPQAPI WINAPI SFileOpenFileAsArchive(MPQHANDLE hSourceMPQ, LPCSTR lpFileN
return FALSE;
}
if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
- SetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,FILE_BEGIN);
if(ReadFile(hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0)==0) {
SFFree(mpqOpenArc->lpBlockTable);
SFFree(mpqOpenArc->lpHashTable);
case SFILE_INFO_PRIORITY:
return mpqOpenArc->dwPriority;
case SFILE_INFO_HASH_INDEX:
- return ((DWORD)mpqOpenFile->lpHashEntry-(DWORD)mpqOpenArc->lpHashTable)/sizeof(HASHTABLEENTRY);
+ return ((UIntPtr)mpqOpenFile->lpHashEntry-(UIntPtr)mpqOpenArc->lpHashTable)/sizeof(HASHTABLEENTRY);
case SFILE_INFO_BLOCK_INDEX:
return mpqOpenFile->lpHashEntry->dwBlockTableIndex;
default:
case SFILE_INFO_TYPE:
return SFILE_TYPE_FILE;
case SFILE_INFO_SIZE:
- return GetFileSize(mpqOpenFile->hFile,0);
+ return SFGetFileSize(mpqOpenFile->hFile);
case SFILE_INFO_COMPRESSED_SIZE:
- return GetFileSize(mpqOpenFile->hFile,0);
+ return SFGetFileSize(mpqOpenFile->hFile);
#ifdef _WIN32
case SFILE_INFO_FLAGS:
return GetFileAttributes(mpqOpenFile->lpFileName);
#endif
case SFILE_INFO_POSITION:
- return SetFilePointer(mpqOpenFile->hFile,0,0,FILE_CURRENT);
+ return SFSetFilePointer(mpqOpenFile->hFile,0,FILE_CURRENT);
default:
SetLastError(ERROR_UNKNOWN_PROPERTY);
return (DWORD)-1;
return (DWORD)-1;
}
-DWORD SFMPQAPI WINAPI SFileSetFilePointer(MPQHANDLE hFile, long lDistanceToMove, PLONG lplDistanceToMoveHigh, DWORD dwMoveMethod)
+DWORD SFMPQAPI WINAPI SFileSetFilePointer(MPQHANDLE hFile, LONG lDistanceToMove, PLONG lplDistanceToMoveHigh, DWORD dwMoveMethod)
{
if (!hFile) {
SetLastError(ERROR_INVALID_PARAMETER);
@@ -1226,7 +1176,7 @@ BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumber
}
if (lpOverlapped)
if (lpOverlapped->Internal || lpOverlapped->InternalHigh || lpOverlapped->Offset || lpOverlapped->OffsetHigh || lpOverlapped->hEvent)
- SFileSetFilePointer(hFile,lpOverlapped->Offset,(long *)&lpOverlapped->OffsetHigh,FILE_BEGIN);
+ SFileSetFilePointer(hFile,lpOverlapped->Offset,(LONG *)&lpOverlapped->OffsetHigh,FILE_BEGIN);
if (nNumberOfBytesToRead==0) {
if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
if (lpOverlapped) lpOverlapped->InternalHigh = 0;
@@ -1245,6 +1195,8 @@ BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumber
DWORD BlockIndex = mpqOpenFile->lpHashEntry->dwBlockTableIndex;
if (mpqOpenFile->dwFilePointer+nNumberOfBytesToRead>mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize) nNumberOfBytesToRead = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize-mpqOpenFile->dwFilePointer;
DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
+ if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_SINGLEBLOCK)
+ blockSize = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize;
DWORD dwBlockStart = mpqOpenFile->dwFilePointer - (mpqOpenFile->dwFilePointer % blockSize);
DWORD blockNum = dwBlockStart / blockSize;
DWORD nBlocks = (mpqOpenFile->dwFilePointer+nNumberOfBytesToRead) / blockSize;
@@ -1262,12 +1214,18 @@ BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumber
if (lpOverlapped) lpOverlapped->InternalHigh = 0;
return FALSE;
}
- void *blk16Buffer = SFAlloc(blockSize * 16);
- if (!blk16Buffer) {
- SFFree(blkBuffer);
- if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
- if (lpOverlapped) lpOverlapped->InternalHigh = 0;
- return FALSE;
+ DWORD nBufferCount;
+ for (nBufferCount = 1; nBufferCount < nBlocks - blockNum && blockSize * nBufferCount < 65536; nBufferCount *= 2) {}
+ if (nBufferCount > nBlocks - blockNum) nBufferCount = nBlocks - blockNum;
+ void *blkLargeBuffer = NULL;
+ if (nBufferCount > 1) {
+ blkLargeBuffer = SFAlloc(blockSize * nBufferCount);
+ if (!blkLargeBuffer) {
+ SFFree(blkBuffer);
+ if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
+ if (lpOverlapped) lpOverlapped->InternalHigh = 0;
+ return FALSE;
+ }
}
DWORD dwCryptKey = mpqOpenFile->dwCryptKey;
//if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_ENCRYPT) dwCryptKey = HashString(mpqOpenFile->lpFileName,HASH_KEY);
@@ -1275,7 +1233,7 @@ BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumber
DWORD HeaderLength=0;
if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
{
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&nBytesRead,0);
}
DWORD i;
@@ -1284,15 +1242,15 @@ BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumber
DWORD *dwBlockPtrTable = (DWORD *)SFAlloc((TotalBlocks+1)*4);
if (!dwBlockPtrTable) {
- SFFree(blk16Buffer);
+ if (blkLargeBuffer) SFFree(blkLargeBuffer);
SFFree(blkBuffer);
if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
if (lpOverlapped) lpOverlapped->InternalHigh = 0;
return FALSE;
}
- if ((mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS) || (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS2))
+ if (((mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS) || (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS2)) && !(mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_SINGLEBLOCK))
{
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&nBytesRead,0);
if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_ENCRYPT) {
DecryptData((LPBYTE)dwBlockPtrTable,(TotalBlocks+1)*4,dwCryptKey-1);
@@ -1302,28 +1260,31 @@ BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumber
{
for (i=0;i<TotalBlocks+1;i++) {
if (i<TotalBlocks) dwBlockPtrTable[i] = i * blockSize;
- else dwBlockPtrTable[i] = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize;
+ else dwBlockPtrTable[i] = mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize - HeaderLength;
}
}
mpqOpenFile->lpdwBlockOffsets = dwBlockPtrTable;
}
- BYTE *compbuffer = (BYTE *)SFAlloc(blockSize+3);
- if (!compbuffer) {
- SFFree(blk16Buffer);
- SFFree(blkBuffer);
- if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
- if (lpOverlapped) lpOverlapped->InternalHigh = 0;
- return FALSE;
+ BYTE *compbuffer = NULL;
+ if ((mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS) || (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS2)) {
+ compbuffer = (BYTE *)SFAlloc(blockSize+3);
+ if (!compbuffer) {
+ if (blkLargeBuffer) SFFree(blkLargeBuffer);
+ SFFree(blkBuffer);
+ if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
+ if (lpOverlapped) lpOverlapped->InternalHigh = 0;
+ return FALSE;
+ }
}
DWORD blk=0,blki=0;
for (i=blockNum;i<nBlocks;i++) {
- if (blk==0) {
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+mpqOpenFile->lpdwBlockOffsets[i],0,FILE_BEGIN);
+ if (blk==0 && blkLargeBuffer) {
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+mpqOpenFile->lpdwBlockOffsets[i],FILE_BEGIN);
blki=i;
- if (i+16>nBlocks) {
- if (ReadFile(mpqOpenArc->hFile,blk16Buffer,mpqOpenFile->lpdwBlockOffsets[nBlocks]-mpqOpenFile->lpdwBlockOffsets[i],&nBytesRead,0)==0) {
- SFFree(compbuffer);
- SFFree(blk16Buffer);
+ if (i+nBufferCount>nBlocks) {
+ if (ReadFile(mpqOpenArc->hFile,blkLargeBuffer,mpqOpenFile->lpdwBlockOffsets[nBlocks]-mpqOpenFile->lpdwBlockOffsets[i],&nBytesRead,0)==0) {
+ if (compbuffer) SFFree(compbuffer);
+ SFFree(blkLargeBuffer);
SFFree(blkBuffer);
if (lpNumberOfBytesRead) *lpNumberOfBytesRead = TotalBytesRead;
if (lpOverlapped) lpOverlapped->InternalHigh = TotalBytesRead;
@@ -1332,9 +1293,9 @@ BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumber
}
else {
- if (ReadFile(mpqOpenArc->hFile,blk16Buffer,mpqOpenFile->lpdwBlockOffsets[i+16]-mpqOpenFile->lpdwBlockOffsets[i],&nBytesRead,0)==0) {
- SFFree(compbuffer);
- SFFree(blk16Buffer);
+ if (ReadFile(mpqOpenArc->hFile,blkLargeBuffer,mpqOpenFile->lpdwBlockOffsets[i+nBufferCount]-mpqOpenFile->lpdwBlockOffsets[i],&nBytesRead,0)==0) {
+ if (compbuffer) SFFree(compbuffer);
+ SFFree(blkLargeBuffer);
SFFree(blkBuffer);
if (lpNumberOfBytesRead) *lpNumberOfBytesRead = TotalBytesRead;
if (lpOverlapped) lpOverlapped->InternalHigh = TotalBytesRead;
@@ -1342,7 +1303,20 @@ BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumber
}
}
}
- memcpy(blkBuffer,((char *)blk16Buffer)+(mpqOpenFile->lpdwBlockOffsets[blki+blk]-mpqOpenFile->lpdwBlockOffsets[blki]),mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i]);
+ if (blkLargeBuffer) {
+ memcpy(blkBuffer,((char *)blkLargeBuffer)+(mpqOpenFile->lpdwBlockOffsets[blki+blk]-mpqOpenFile->lpdwBlockOffsets[blki]),mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i]);
+ }
+ else {
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+mpqOpenFile->lpdwBlockOffsets[i],FILE_BEGIN);
+ blki=i;
+ if (ReadFile(mpqOpenArc->hFile,blkBuffer,mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i],&nBytesRead,0)==0) {
+ if (compbuffer) SFFree(compbuffer);
+ SFFree(blkBuffer);
+ if (lpNumberOfBytesRead) *lpNumberOfBytesRead = TotalBytesRead;
+ if (lpOverlapped) lpOverlapped->InternalHigh = TotalBytesRead;
+ return FALSE;
+ }
+ }
if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_ENCRYPT)
{
DecryptData((LPBYTE)blkBuffer,mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i],dwCryptKey+i);
@@ -1414,10 +1388,10 @@ BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumber
nNumberOfBytesToRead-=nNumberOfBytesToRead;
}
}
- blk = (blk+1) % 16;
+ blk = (blk+1) % nBufferCount;
}
- SFFree(compbuffer);
- SFFree(blk16Buffer);
+ if (compbuffer) SFFree(compbuffer);
+ if (blkLargeBuffer) SFFree(blkLargeBuffer);
SFFree(blkBuffer);
if (lpNumberOfBytesRead) *lpNumberOfBytesRead = TotalBytesRead;
if (lpOverlapped) lpOverlapped->InternalHigh = TotalBytesRead;
@@ -1526,8 +1500,11 @@ BOOL SFMPQAPI WINAPI SFileListFiles(MPQHANDLE hMPQ, LPCSTR lpFileLists, FILELIST
lpListBuffer[i].dwCompressedSize = mpqOpenArc->lpBlockTable[dwBlockIndex].dwCompressedSize;
lpListBuffer[i].dwFullSize = mpqOpenArc->lpBlockTable[dwBlockIndex].dwFullSize;
lpListBuffer[i].dwFlags = mpqOpenArc->lpBlockTable[dwBlockIndex].dwFlags;
- lpListBuffer[i].dwFileExists=0xFFFFFFFF;
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset+0x40,0,FILE_BEGIN);
+ if (dwFlags & SFILE_LIST_FLAG_UNKNOWN)
+ lpListBuffer[i].dwFileExists = 1;
+ else
+ lpListBuffer[i].dwFileExists=0xFFFFFFFF;
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset+0x40,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,lpListBuffer[i].szFileName,260,&tsz,0);
if (mpqOpenArc->lpHashTable[i].dwNameHashA==HashString(lpListBuffer[i].szFileName,HASH_NAME_A) && mpqOpenArc->lpHashTable[i].dwNameHashB==HashString(lpListBuffer[i].szFileName,HASH_NAME_B)) {
@@ -1537,6 +1514,10 @@ BOOL SFMPQAPI WINAPI SFileListFiles(MPQHANDLE hMPQ, LPCSTR lpFileLists, FILELIST
}
else {
sprintf(lpListBuffer[i].szFileName,UNKNOWN_OUT,i);
+ if (dwFlags & SFILE_LIST_FLAG_UNKNOWN) {
+ lpListBuffer[i].dwFileExists |= 2;
+ }
+
if (dwFlags&SFILE_LIST_ONLY_KNOWN) {
lpListBuffer[i].dwFileExists = 0;
}
@@ -1612,8 +1593,8 @@ BOOL SFMPQAPI WINAPI SFileListFiles(MPQHANDLE hMPQ, LPCSTR lpFileLists, FILELIST
if (!(dwFlags&SFILE_LIST_MEMORY_LIST)) {
hFile = CreateFile(lpNameBuffers[i],GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);
if (hFile!=INVALID_HANDLE_VALUE) {
- fsz = GetFileSize(hFile,0);
- SetFilePointer(hFile,0,0,FILE_BEGIN);
+ fsz = SFGetFileSize(hFile);
+ SFSetFilePointer(hFile,0,FILE_BEGIN);
lpNameBuffers[i] = (char *)SFAlloc(fsz+1);
ReadFile(hFile,lpNameBuffers[i],fsz,&tsz,0);
CloseHandle(hFile);
@@ -1690,7 +1671,10 @@ BOOL SFMPQAPI WINAPI SFileListFiles(MPQHANDLE hMPQ, LPCSTR lpFileLists, FILELIST
lpListBuffer[i].dwCompressedSize = mpqOpenArc->lpBlockTable[dwBlockIndex].dwCompressedSize;
lpListBuffer[i].dwFullSize = mpqOpenArc->lpBlockTable[dwBlockIndex].dwFullSize;
lpListBuffer[i].dwFlags = mpqOpenArc->lpBlockTable[dwBlockIndex].dwFlags;
- lpListBuffer[i].dwFileExists=0xFFFFFFFF;
+ if (dwFlags & SFILE_LIST_FLAG_UNKNOWN)
+ lpListBuffer[i].dwFileExists = 1;
+ else
+ lpListBuffer[i].dwFileExists=0xFFFFFFFF;
for (j=0;j<dwTotalLines;j++) {
if (mpqOpenArc->lpHashTable[i].dwNameHashA==lpdwNameHashA[j] && mpqOpenArc->lpHashTable[i].dwNameHashB==lpdwNameHashB[j]) {
strncpy(lpListBuffer[i].szFileName,lpNames[j],260);
@@ -1701,6 +1685,10 @@ BOOL SFMPQAPI WINAPI SFileListFiles(MPQHANDLE hMPQ, LPCSTR lpFileLists, FILELIST
}
if (j+1==dwTotalLines) {
sprintf(lpListBuffer[i].szFileName,UNKNOWN_OUT,i);
+ if (dwFlags & SFILE_LIST_FLAG_UNKNOWN) {
+ lpListBuffer[i].dwFileExists |= 2;
+ }
+
if (dwFlags&SFILE_LIST_ONLY_KNOWN) {
lpListBuffer[i].dwFileExists = 0;
}
@@ -1771,7 +1759,7 @@ BOOL SFMPQAPI WINAPI MpqAddFileToArchiveEx(MPQHANDLE hMPQ, LPCSTR lpSourceFileNa
if (!hFile) return FALSE;
HANDLE haFile = CreateFile(lpSourceFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);
if (haFile==INVALID_HANDLE_VALUE) return FALSE;
- DWORD fsz = GetFileSize(haFile,0),tsz;
+ DWORD fsz = SFGetFileSize(haFile),tsz;
DWORD ucfsz = fsz;
BOOL IsBNcache = FALSE;char *buffer,*hbuffer;
MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
@@ -2035,7 +2023,7 @@ BOOL SFMPQAPI WINAPI MpqAddFileToArchiveEx(MPQHANDLE hMPQ, LPCSTR lpSourceFileNa
mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize = ucfsz;
mpqOpenArc->lpBlockTable[BlockIndex].dwFlags = dwFlags|MAFA_EXISTS;
DWORD dwFileOffset = mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset;
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart,FILE_BEGIN);
WriteFile(mpqOpenArc->hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0);
if (dwFlags & MAFA_ENCRYPT) {
DWORD dwCryptKey;
@@ -2056,37 +2044,11 @@ BOOL SFMPQAPI WINAPI MpqAddFileToArchiveEx(MPQHANDLE hMPQ, LPCSTR lpSourceFileNa
}
}
SFFree(dwBlkpt);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+dwFileOffset,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+dwFileOffset,FILE_BEGIN);
WriteFile(mpqOpenArc->hFile,buffer,fsz,&tsz,0);
SFFree(buffer);
- buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- if (buffer) {
- memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- SFFree(buffer);
- }
- else {
- EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- }
- buffer = (char *)SFAlloc(sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
- if (buffer) {
- memcpy(buffer,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
- EncryptData((LPBYTE)buffer,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,buffer,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0);
- SFFree(buffer);
- }
- else {
- EncryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0);
- DecryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
- }
+ WriteHashTable(mpqOpenArc);
+ WriteBlockTable(mpqOpenArc);
AddToInternalListing(hMPQ,lpDestFileName);
return TRUE;
@@ -2380,7 +2342,7 @@ BOOL SFMPQAPI WINAPI MpqAddFileFromBufferEx(MPQHANDLE hMPQ, LPVOID lpBuffer, DWO
mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize = ucfsz;
mpqOpenArc->lpBlockTable[BlockIndex].dwFlags = dwFlags|MAFA_EXISTS;
DWORD dwFileOffset = mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset;
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart,FILE_BEGIN);
WriteFile(mpqOpenArc->hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0);
if (dwFlags & MAFA_ENCRYPT) {
DWORD dwCryptKey;
@@ -2402,37 +2364,11 @@ BOOL SFMPQAPI WINAPI MpqAddFileFromBufferEx(MPQHANDLE hMPQ, LPVOID lpBuffer, DWO
}
}
SFFree(dwBlkpt);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+dwFileOffset,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+dwFileOffset,FILE_BEGIN);
WriteFile(mpqOpenArc->hFile,buffer,fsz,&tsz,0);
SFFree(buffer);
- buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- if (buffer!=0) {
- memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- SFFree(buffer);
- }
- else {
- EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- }
- buffer = (char *)SFAlloc(sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
- if (buffer!=0) {
- memcpy(buffer,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
- EncryptData((LPBYTE)buffer,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,buffer,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0);
- SFFree(buffer);
- }
- else {
- EncryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0);
- DecryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
- }
+ WriteHashTable(mpqOpenArc);
+ WriteBlockTable(mpqOpenArc);
AddToInternalListing(hMPQ,lpFileName);
return TRUE;
}
@@ -2505,7 +2441,7 @@ BOOL SFMPQAPI WINAPI MpqRenameAndSetFileLocale(MPQHANDLE hMPQ, LPCSTR lpcOldFile
DWORD HeaderLength=0;
if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
{
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&tsz,0);
}
@@ -2520,7 +2456,7 @@ BOOL SFMPQAPI WINAPI MpqRenameAndSetFileLocale(MPQHANDLE hMPQ, LPCSTR lpcOldFile
DWORD i;
if ((mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS)==MAFA_COMPRESS || (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS2)==MAFA_COMPRESS2)
{
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
DecryptData((LPBYTE)dwBlockPtrTable,(TotalBlocks+1)*4,dwOldCryptKey-1);
char *EncryptedTable = (char *)SFAlloc((TotalBlocks+1)*4);
@@ -2530,7 +2466,7 @@ BOOL SFMPQAPI WINAPI MpqRenameAndSetFileLocale(MPQHANDLE hMPQ, LPCSTR lpcOldFile
}
memcpy(EncryptedTable,dwBlockPtrTable,(TotalBlocks+1)*4);
EncryptData((LPBYTE)EncryptedTable,(TotalBlocks+1)*4,dwNewCryptKey-1);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,FILE_BEGIN);
WriteFile(mpqOpenArc->hFile,EncryptedTable,(TotalBlocks+1)*4,&tsz,0);
SFFree(EncryptedTable);
}
@@ -2544,16 +2480,16 @@ BOOL SFMPQAPI WINAPI MpqRenameAndSetFileLocale(MPQHANDLE hMPQ, LPCSTR lpcOldFile
char *blkBuffer = (char *)SFAlloc(blockSize);
if (blkBuffer==0) {
EncryptData((LPBYTE)dwBlockPtrTable,(TotalBlocks+1)*4,dwOldCryptKey-1);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,FILE_BEGIN);
WriteFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
SFFree(dwBlockPtrTable);
return FALSE;
}
for (i=0;i<TotalBlocks;i++) {
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+dwBlockPtrTable[i],0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+dwBlockPtrTable[i],FILE_BEGIN);
if (ReadFile(mpqOpenArc->hFile,blkBuffer,dwBlockPtrTable[i+1]-dwBlockPtrTable[i],&tsz,0)==0) {
EncryptData((LPBYTE)dwBlockPtrTable,(TotalBlocks+1)*4,dwOldCryptKey-1);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,FILE_BEGIN);
WriteFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
SFFree(dwBlockPtrTable);
SFFree(blkBuffer);
@@ -2561,7 +2497,7 @@ BOOL SFMPQAPI WINAPI MpqRenameAndSetFileLocale(MPQHANDLE hMPQ, LPCSTR lpcOldFile
}
DecryptData((LPBYTE)blkBuffer,dwBlockPtrTable[i+1]-dwBlockPtrTable[i],dwOldCryptKey+i);
EncryptData((LPBYTE)blkBuffer,dwBlockPtrTable[i+1]-dwBlockPtrTable[i],dwNewCryptKey+i);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+dwBlockPtrTable[i],0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+dwBlockPtrTable[i],FILE_BEGIN);
WriteFile(mpqOpenArc->hFile,blkBuffer,dwBlockPtrTable[i+1]-dwBlockPtrTable[i],&tsz,0);
}
SFFree(dwBlockPtrTable);
@@ -2573,20 +2509,7 @@ BOOL SFMPQAPI WINAPI MpqRenameAndSetFileLocale(MPQHANDLE hMPQ, LPCSTR lpcOldFile
oldHashEntry->dwNameHashB = 0xFFFFFFFF;
oldHashEntry->lcLocale = 0xFFFFFFFF;
oldHashEntry->dwBlockTableIndex = 0xFFFFFFFE;
- char *buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- if (buffer!=0) {
- memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- SFFree(buffer);
- }
- else {
- EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- }
+ WriteHashTable(mpqOpenArc);
}
LCID dwOldLocale=LocaleID;
LocaleID=nOldLocale;
@@ -2626,22 +2549,7 @@ BOOL SFMPQAPI WINAPI MpqDeleteFileWithLocale(MPQHANDLE hMPQ, LPCSTR lpFileName,
hashEntry->dwNameHashB = 0xFFFFFFFF;
hashEntry->lcLocale = 0xFFFFFFFF;
hashEntry->dwBlockTableIndex = 0xFFFFFFFE;
- DWORD tsz;
- char *buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- if (buffer!=0) {
- memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
-
- WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- SFFree(buffer);
- }
- else {
- EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- }
+ WriteHashTable(mpqOpenArc);
LCID dwOldLocale=LocaleID;
LocaleID=nLocale;
RemoveFromInternalListing(hMPQ,lpFileName);
DWORD HeaderLength=0;
if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
{
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&tsz,0);
}
DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
DeleteFile(lpFileName);
return FALSE;
}
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+HeaderLength,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+HeaderLength,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
DWORD dwOldCryptKey = DetectFileSeed(dwBlockPtrTable,(TotalBlocks+1)*4,blockSize);
DWORD dwNewCryptKey = (dwOldCryptKey ^ mpqOpenArc->lpBlockTable[i].dwFullSize) - mpqOpenArc->lpBlockTable[i].dwFileOffset;
}
memcpy(EncryptedTable,dwBlockPtrTable,(TotalBlocks+1)*4);
EncryptData((LPBYTE)EncryptedTable,(TotalBlocks+1)*4,dwNewCryptKey-1);
- SetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+HeaderLength,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+HeaderLength,FILE_BEGIN);
WriteFile(hFile,EncryptedTable,(TotalBlocks+1)*4,&tsz,0);
SFFree(EncryptedTable);
char *blkBuffer = (char *)SFAlloc(blockSize);
return FALSE;
}
for (DWORD k=0;k<TotalBlocks;k++) {
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+HeaderLength+dwBlockPtrTable[k],0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+HeaderLength+dwBlockPtrTable[k],FILE_BEGIN);
if (ReadFile(mpqOpenArc->hFile,blkBuffer,dwBlockPtrTable[k+1]-dwBlockPtrTable[k],&tsz,0)==0) {
SFFree(dwBlockPtrTable);
SFFree(blkBuffer);
}
DecryptData((LPBYTE)blkBuffer,dwBlockPtrTable[k+1]-dwBlockPtrTable[k],dwOldCryptKey+k);
EncryptData((LPBYTE)blkBuffer,dwBlockPtrTable[k+1]-dwBlockPtrTable[k],dwNewCryptKey+k);
- SetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+HeaderLength+dwBlockPtrTable[k],0,FILE_BEGIN);
+ SFSetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+HeaderLength+dwBlockPtrTable[k],FILE_BEGIN);
WriteFile(hFile,blkBuffer,dwBlockPtrTable[k+1]-dwBlockPtrTable[k],&tsz,0);
}
SFFree(blkBuffer);
if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
{
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&tsz,0);
}
DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
return FALSE;
}
for (DWORD k=0;k<mpqOpenArc->lpBlockTable[i].dwFullSize;k+=blockSize) {
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+HeaderLength+k,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+HeaderLength+k,FILE_BEGIN);
if (k+blockSize>mpqOpenArc->lpBlockTable[i].dwFullSize) blockSize = mpqOpenArc->lpBlockTable[i].dwFullSize % blockSize;
if (ReadFile(mpqOpenArc->hFile,blkBuffer,blockSize,&tsz,0)==0) {
SFFree(blkBuffer);
}
DecryptData((LPBYTE)blkBuffer,blockSize,dwOldCryptKey+k);
EncryptData((LPBYTE)blkBuffer,blockSize,dwNewCryptKey+k);
- SetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+HeaderLength+k,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+HeaderLength+k,FILE_BEGIN);
WriteFile(hFile,blkBuffer,blockSize,&tsz,0);
}
SFFree(blkBuffer);
if (dwWritten==FALSE) {
ReadSize = 65536;
for (j=0;j<mpqOpenArc->lpBlockTable[i].dwCompressedSize;j+=65536) {
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+j,0,FILE_BEGIN);
- SetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+j,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+j,FILE_BEGIN);
+ SFSetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+j,FILE_BEGIN);
if (j+65536>mpqOpenArc->lpBlockTable[i].dwCompressedSize) ReadSize = mpqOpenArc->lpBlockTable[i].dwCompressedSize-j;
if (ReadFile(mpqOpenArc->hFile,buffer,ReadSize,&tsz,0)==0) {
SFFree(lpBlockTable);
SFFree(lpBlockTable);
}
}
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+dwLastOffset,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+dwLastOffset,FILE_BEGIN);
SetEndOfFile(mpqOpenArc->hFile);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart,FILE_BEGIN);
mpqOpenArc->MpqHeader.dwHeaderSize = sizeof(MPQHEADER);
WriteFile(mpqOpenArc->hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0);
dwLastOffset = sizeof(MPQHEADER);
ReadSize = 65536;
for (i=dwLastOffset;i<mpqOpenArc->MpqHeader.dwHashTableOffset;i+=65536) {
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+i,0,FILE_BEGIN);
- SetFilePointer(hFile,i,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+i,FILE_BEGIN);
+ SFSetFilePointer(hFile,i,FILE_BEGIN);
if (i+65536>mpqOpenArc->MpqHeader.dwHashTableOffset) ReadSize = mpqOpenArc->MpqHeader.dwHashTableOffset-i;
ReadFile(hFile,buffer,ReadSize,&tsz,0);
WriteFile(mpqOpenArc->hFile,buffer,ReadSize,&tsz,0);
SFFree(buffer);
CloseHandle(hFile);
DeleteFile(lpFileName);
- EncryptData((BYTE *)mpqOpenArc->lpHashTable,mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY),dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY),&tsz,0);
- DecryptData((BYTE *)mpqOpenArc->lpHashTable,mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY),dwHashTableKey);
- if(mpqOpenArc->lpBlockTable!=0) {
- EncryptData((BYTE *)mpqOpenArc->lpBlockTable,mpqOpenArc->MpqHeader.dwBlockTableSize * sizeof(BLOCKTABLEENTRY),dwBlockTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpBlockTable,mpqOpenArc->MpqHeader.dwBlockTableSize * sizeof(BLOCKTABLEENTRY),&tsz,0);
- DecryptData((BYTE *)mpqOpenArc->lpBlockTable,mpqOpenArc->MpqHeader.dwBlockTableSize * sizeof(BLOCKTABLEENTRY),dwBlockTableKey);
- }
+ WriteHashTable(mpqOpenArc);
+ WriteBlockTable(mpqOpenArc);
return TRUE;
}
@@ -3064,22 +2964,8 @@ BOOL SFMPQAPI WINAPI MpqSetFileLocale(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID nO
if (hashEntry==0) return FALSE;
if (hashEntry->lcLocale!=nOldLocale) return FALSE;
hashEntry->lcLocale = nNewLocale;
- DWORD tsz;
- char *buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- if (buffer!=0) {
- memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
- EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- SFFree(buffer);
- }
- else {
- EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
- WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
- DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
- }
+ WriteHashTable(mpqOpenArc);
LCID dwOldLocale=LocaleID;
LocaleID=nOldLocale;
RemoveFromInternalListing(hMPQ,lpFileName);
SetLastError(ERROR_INVALID_PARAMETER);
return 0xFFFFFFFF;
}
- DWORD FileLen = GetFileSize(hFile,0);
+ DWORD FileLen = SFGetFileSize(hFile);
char pbuf[sizeof(MPQHEADER)];
DWORD tsz;
for (DWORD i=0;i<FileLen;i+=512)
{
- SetFilePointer(hFile,i,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,i,FILE_BEGIN);
if (ReadFile(hFile,pbuf,sizeof(MPQHEADER),&tsz,0)==0) return 0xFFFFFFFF;
if (tsz<sizeof(MPQHEADER)) return 0xFFFFFFFF;
if (memcmp(pbuf,ID_MPQ,4)==0 || memcmp(pbuf,ID_BN3,4)==0)
@@ -3128,7 +3014,7 @@ DWORD WINAPI FindMpqHeaderAtLocation(HANDLE hFile, DWORD dwStart, DWORD dwLength
DWORD tsz;
for (DWORD i=dwStart;i<dwStart+dwLength;i+=512)
{
- SetFilePointer(hFile,i,0,FILE_BEGIN);
+ SFSetFilePointer(hFile,i,FILE_BEGIN);
if (ReadFile(hFile,pbuf,sizeof(MPQHEADER),&tsz,0)==0) return 0xFFFFFFFF;
if (i+tsz>dwStart+dwLength) tsz = (dwStart+dwLength)-i;
if (tsz<sizeof(MPQHEADER)) return 0xFFFFFFFF;
@@ -3227,12 +3113,19 @@ MPQHANDLE GetFreeHashTableEntry(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID FileLoca
DWORD dwTablePos = HashString(lpFileName,HASH_POSITION) % mpqOpenArc->MpqHeader.dwHashTableSize;
DWORD dwNameHashA = HashString(lpFileName,HASH_NAME_A);
DWORD dwNameHashB = HashString(lpFileName,HASH_NAME_B);
- DWORD i=dwTablePos;
+ DWORD i=dwTablePos, nFirstFree = 0xFFFFFFFF;
do
{
- if ((mpqOpenArc->lpHashTable[i].dwBlockTableIndex&0xFFFFFFFE)==0xFFFFFFFE)
+ if ((mpqOpenArc->lpHashTable[i].dwBlockTableIndex&0xFFFFFFFE)==0xFFFFFFFE && (nFirstFree == 0xFFFFFFFF || mpqOpenArc->lpHashTable[i].dwBlockTableIndex == 0xFFFFFFFF))
{
- return (MPQHANDLE)&mpqOpenArc->lpHashTable[i];
+ if (mpqOpenArc->lpHashTable[i].dwBlockTableIndex == 0xFFFFFFFF)
+ {
+ if (nFirstFree == 0xFFFFFFFF)
+ return (MPQHANDLE)&mpqOpenArc->lpHashTable[i];
+ else
+ return (MPQHANDLE)&mpqOpenArc->lpHashTable[nFirstFree];
+ }
+ else nFirstFree = i;
}
else if (mpqOpenArc->lpHashTable[i].dwNameHashA==dwNameHashA && mpqOpenArc->lpHashTable[i].dwNameHashB==dwNameHashB && mpqOpenArc->lpHashTable[i].lcLocale==FileLocale)
{
return TRUE;
}
-size_t strlnlen(const char *strline)
-{
- if (strline==0) return 0;
- const char *strcr = strchr(strline,'\r');
- const char *strlf = strchr(strline,'\n');
- if (strcr==0 && strlf==0) return strlen(strline);
- if (strcr!=0 && (strcr<strlf || strlf==0)) return strcr-strline;
- if (strlf!=0 && (strlf<strcr || strcr==0)) return strlf-strline;
- return strlen(strline);
-}
-
-char *nextline(const char *strline)
-{
- if (strline==0) return 0;
- const char *strcr = strchr(strline,'\r');
- const char *strlf = strchr(strline,'\n');
- if (strcr==0 && strlf==0) return 0;
- const char *streol;
- if (strcr!=0 && (strcr<strlf || strlf==0)) streol = strcr;
- if (strlf!=0 && (strlf<strcr || strcr==0)) streol = strlf;
- do {
- streol++;
- } while (streol[0]=='\r' || streol[0]=='\n');
- if (streol[0]==0) return 0;
- return (char *)streol;
-}
-
-// The InitCryptTable, HashString, DecryptData, and DetectFileKey are
-// based on the versions in StormLib which were written by Ladislav
-// Zezula, but may have been modified somewhat by Quantam or ShadowFlare.
-BOOL InitCryptTable()
-{
- DWORD seed = 0x00100001;
- DWORD index1 = 0;
- DWORD index2 = 0;
- int i;
-
- if (!bCryptTableInit)
- {
- for(index1 = 0; index1 < 0x100; index1++)
- {
- for(index2 = index1, i = 0; i < 5; i++, index2 += 0x100)
- {
- DWORD temp1, temp2;
-
- seed = (seed * 125 + 3) % 0x2AAAAB;
- temp1 = (seed & 0xFFFF) << 0x10;
-
- seed = (seed * 125 + 3) % 0x2AAAAB;
- temp2 = (seed & 0xFFFF);
-
- dwCryptTable[index2] = (temp1 | temp2);
- }
- }
-
- bCryptTableInit = TRUE;
- }
-
- return TRUE;
-}
-
-DWORD HashString(LPCSTR lpszString, DWORD dwHashType)
-{
- DWORD seed1 = 0x7FED7FED;
- DWORD seed2 = 0xEEEEEEEE;
- int ch;
-
- char szNull = 0;
- if (!lpszString)
- lpszString = &szNull;
-
- if (dwHashType==HASH_KEY)
- while (strchr(lpszString,'\\')!=NULL) lpszString = strchr(lpszString,'\\')+1;
- while (*lpszString != 0)
- {
- ch = toupper(*lpszString++);
-
- seed1 = dwCryptTable[(dwHashType << 8) + ch] ^ (seed1 + seed2);
- seed2 = ch + seed1 + seed2 + (seed2 << 5) + 3;
- }
-
- return seed1;
-}
-
-// The EncryptData function is based on the DecryptData function by
-// Ladislav Zezula, but adapted by Quantam to encrypt rather than decrypt.
-BOOL EncryptData(LPBYTE lpbyBuffer, DWORD dwLength, DWORD dwKey)
-{
- LPDWORD lpdwBuffer = (LPDWORD)lpbyBuffer;
- DWORD seed = 0xEEEEEEEE;
- DWORD ch;
-
- if (!lpbyBuffer)
- return FALSE;
-
- // Round to DWORDs
- dwLength >>= 2;
-
- while(dwLength-- > 0)
-
- {
- seed += dwCryptTable[0x400 + (dwKey & 0xFF)];
- ch = *lpdwBuffer ^ (dwKey + seed);
-
- dwKey = ((~dwKey << 0x15) + 0x11111111) | (dwKey >> 0x0B);
- seed = *lpdwBuffer + seed + (seed << 5) + 3;
-
- *lpdwBuffer++ = ch;
- }
-
- return TRUE;
-}
-
-BOOL DecryptData(LPBYTE lpbyBuffer, DWORD dwLength, DWORD dwKey)
-{
- LPDWORD lpdwBuffer = (LPDWORD)lpbyBuffer;
- DWORD seed = 0xEEEEEEEE;
- DWORD ch;
-
- if (!lpbyBuffer)
- return FALSE;
-
- // Round to DWORDs
- dwLength >>= 2;
-
- while(dwLength-- > 0)
- {
- seed += dwCryptTable[0x400 + (dwKey & 0xFF)];
- ch = *lpdwBuffer ^ (dwKey + seed);
-
- dwKey = ((~dwKey << 0x15) + 0x11111111) | (dwKey >> 0x0B);
- seed = ch + seed + (seed << 5) + 3;
-
- *lpdwBuffer++ = ch;
- }
-
- return TRUE;
-}
-
-//-----------------------------------------------------------------------------
-// Functions tries to get file decryption key. The trick comes from block
-// positions which are stored at the begin of each compressed file. We know the
-// file size, that means we know number of blocks that means we know the first
-// DWORD value in block position. And if we know encrypted and decrypted value,
-// we can find the decryption key !!!
-//
-// hf - MPQ file handle
-// block - DWORD array of block positions
-// ch - Decrypted value of the first block pos
-
-static DWORD DetectFileSeed(DWORD * block, DWORD decrypted, DWORD blocksize)
-{
- DWORD saveSeed1;
- DWORD temp = *block ^ decrypted; // temp = seed1 + seed2
- // temp = seed1 + stormBuffer[0x400 + (seed1 & 0xFF)] + 0xEEEEEEEE
- temp -= 0xEEEEEEEE; // temp = seed1 + stormBuffer[0x400 + (seed1 & 0xFF)]
-
-
- for(int i = 0; i < 0x100; i++) // Try all 256 possibilities
- {
- DWORD seed1;
- DWORD seed2 = 0xEEEEEEEE;
- DWORD ch;
-
- // Try the first DWORD (We exactly know the value)
- seed1 = temp - dwCryptTable[0x400 + i];
- seed2 += dwCryptTable[0x400 + (seed1 & 0xFF)];
- ch = block[0] ^ (seed1 + seed2);
-
- if(ch != decrypted)
- continue;
-
- saveSeed1 = seed1 + 1;
-
- // If OK, continue and test the second value. We don't know exactly the value,
- // but we know that the second one has a value less than or equal to the
- // size of the block position table plus the block size
- seed1 = ((~seed1 << 0x15) + 0x11111111) | (seed1 >> 0x0B);
- seed2 = ch + seed2 + (seed2 << 5) + 3;
-
- seed2 += dwCryptTable[0x400 + (seed1 & 0xFF)];
- ch = block[1] ^ (seed1 + seed2);
-
- if(ch <= decrypted + blocksize)
- return saveSeed1;
- }
- return 0;
-}
-
DWORD DetectFileSeedEx(MPQARCHIVE * mpqOpenArc, HASHTABLEENTRY * lpHashEntry, LPCSTR * lplpFileName)
{
if (mpqOpenArc==0 || lpHashEntry==0) return 0;
@@ -3759,7 +3463,7 @@ DWORD DetectFileSeedEx(MPQARCHIVE * mpqOpenArc, HASHTABLEENTRY * lpHashEntry, LP
DWORD HeaderLength=0,tsz;
if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
{
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&tsz,0);
}
DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
@@ -3769,7 +3473,7 @@ DWORD DetectFileSeedEx(MPQARCHIVE * mpqOpenArc, HASHTABLEENTRY * lpHashEntry, LP
DWORD *dwBlockPtrTable = (DWORD *)SFAlloc((TotalBlocks+1)*4);
if (dwBlockPtrTable==0)
return 0;
- SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
+ SFSetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset+HeaderLength,FILE_BEGIN);
ReadFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
dwCryptKey = DetectFileSeed(dwBlockPtrTable,(TotalBlocks+1)*4,blockSize);