static bool OpenLocalFile(const char * szFileName, HANDLE * phFile) { TFileStream * pStream; TMPQFile * hf = NULL; pStream = FileStream_OpenFile(szFileName, false); if (pStream != NULL) { // Allocate and initialize file handle hf = CreateMpqFile(NULL); if (hf != NULL) { hf->pStream = pStream; *phFile = hf; return true; } else { FileStream_Close(pStream); SetLastError(ERROR_NOT_ENOUGH_MEMORY); } } *phFile = NULL; return false; }
static bool OpenLocalFile(const char * szFileName, HANDLE * phFile) { TFileStream * pStream; TMPQFile * hf = NULL; TCHAR szFileNameT[MAX_PATH]; // Convert the file name to UNICODE (if needed) CopyFileName(szFileNameT, szFileName, strlen(szFileName)); // Open the file and create the TMPQFile structure pStream = FileStream_OpenFile(szFileNameT, STREAM_FLAG_READ_ONLY); if(pStream != NULL) { // Allocate and initialize file handle hf = CreateMpqFile(NULL); if(hf != NULL) { hf->pStream = pStream; *phFile = hf; return true; } else { FileStream_Close(pStream); SetLastError(ERROR_NOT_ENOUGH_MEMORY); } } *phFile = NULL; return false; }
void * ListFile_OpenExternal(const TCHAR * szListFile) { PLISTFILE_CACHE pCache = NULL; TFileStream * pStream; ULONGLONG FileSize = 0; // Open the external listfile pStream = FileStream_OpenFile(szListFile, STREAM_FLAG_READ_ONLY); if(pStream != NULL) { // Retrieve the size of the external listfile FileStream_GetSize(pStream, &FileSize); if(0 < FileSize && FileSize <= 0x30000000) { // Create the in-memory cache for the entire listfile // The listfile does not have any data loaded yet pCache = CreateListFileCache((DWORD)FileSize); if(pCache != NULL) { if(!FileStream_Read(pStream, NULL, pCache->pBegin, (DWORD)FileSize)) { ListFile_Free(pCache); pCache = NULL; } } } // Close the file stream FileStream_Close(pStream); } return pCache; }
void * ListFile_OpenExternal(const TCHAR * szListFile) { TListFileCache * pCache; TFileStream * pStream; ULONGLONG FileSize = 0; // Open the external listfile pStream = FileStream_OpenFile(szListFile, STREAM_FLAG_READ_ONLY); if(pStream != NULL) { // Retrieve the size of the external listfile FileStream_GetSize(pStream, &FileSize); if(0 < FileSize && FileSize <= 0xFFFFFFFF) { // Create the cache for the listfile pCache = CreateListFileCache(ReloadCache_ExternalFile, CloseStream_ExternalFile, pStream, (DWORD)FileSize); if(pCache != NULL) return pCache; } // Close the file stream FileStream_Close(pStream); } return NULL; }
static bool ExtractPatchPrefixFromFile(const TCHAR * szHelperFile, char * szPatchPrefix, size_t nMaxChars, size_t * PtrLength) { TFileStream * pStream; ULONGLONG FileSize = 0; size_t nLength; char szFileData[MAX_PATH+1]; bool bResult = false; pStream = FileStream_OpenFile(szHelperFile, STREAM_FLAG_READ_ONLY); if(pStream != NULL) { // Retrieve and check the file size FileStream_GetSize(pStream, &FileSize); if(12 <= FileSize && FileSize < MAX_PATH) { // Read the entire file to memory if(FileStream_Read(pStream, NULL, szFileData, (DWORD)FileSize)) { // Terminate the buffer with zero szFileData[(DWORD)FileSize] = 0; // The file data must begin with the "PatchPrefix" variable if(!_strnicmp(szFileData, "PatchPrefix", 11)) { char * szLinePtr = szFileData + 11; char * szLineEnd; // Skip spaces or '=' while(szLinePtr[0] == ' ' || szLinePtr[0] == '=') szLinePtr++; szLineEnd = szLinePtr; // Find the end while(szLineEnd[0] != 0 && szLineEnd[0] != 0x0A && szLineEnd[0] != 0x0D) szLineEnd++; nLength = (size_t)(szLineEnd - szLinePtr); // Copy the variable if(szLineEnd > szLinePtr && nLength <= nMaxChars) { memcpy(szPatchPrefix, szLinePtr, nLength); szPatchPrefix[nLength] = 0; PtrLength[0] = nLength; bResult = true; } } } } // Close the stream FileStream_Close(pStream); } return bResult; }
bool WINAPI SFileExtractFile(HANDLE hMpq, const char * szToExtract, const char * szExtracted, DWORD dwSearchScope) { TFileStream * pLocalFile = NULL; HANDLE hMpqFile = NULL; int nError = ERROR_SUCCESS; // Open the MPQ file if (nError == ERROR_SUCCESS) { if(!SFileOpenFileEx(hMpq, szToExtract, dwSearchScope, &hMpqFile)) nError = GetLastError(); } // Create the local file if (nError == ERROR_SUCCESS) { pLocalFile = FileStream_CreateFile(szExtracted); if(pLocalFile == NULL) nError = GetLastError(); } // Copy the file's content if (nError == ERROR_SUCCESS) { char szBuffer[0x1000]; DWORD dwTransferred; for (;;) { // dwTransferred is only set to nonzero if something has been read. // nError can be ERROR_SUCCESS or ERROR_HANDLE_EOF if (!SFileReadFile(hMpqFile, szBuffer, sizeof(szBuffer), &dwTransferred, NULL)) nError = GetLastError(); if (nError == ERROR_HANDLE_EOF) nError = ERROR_SUCCESS; if (dwTransferred == 0) break; // If something has been actually read, write it if (!FileStream_Write(pLocalFile, NULL, szBuffer, dwTransferred)) nError = GetLastError(); } } // Close the files if (hMpqFile != NULL) SFileCloseFile(hMpqFile); if (pLocalFile != NULL) FileStream_Close(pLocalFile); if (nError != ERROR_SUCCESS) SetLastError(nError); return (nError == ERROR_SUCCESS); }
int ExtractFileToHardDrive(HANDLE &MPQ_handle, const char * szArchivedFile, const char * szFileName) { HANDLE hFile = NULL; // Archived file handle TFileStream* handle = NULL; // Disk file handle int nError = ERROR_SUCCESS; // Result value if (nError == ERROR_SUCCESS) { if (!SFileOpenFileEx(MPQ_handle, szArchivedFile, SFILE_OPEN_PATCHED_FILE, &hFile)) nError = GetLastError(); } // Create the target file if (nError == ERROR_SUCCESS) { handle = FileStream_CreateFile(szFileName); if (handle == NULL) nError = GetLastError(); } // Read the file from the archive if (nError == ERROR_SUCCESS) { // Get the size of the full patched file DWORD dwFileSize = SFileGetFileSize(hFile, NULL); if (dwFileSize != 0) { // Allocate space for the full file BYTE * pbFullFile = new BYTE[dwFileSize]; if (!SFileReadFile(hFile, pbFullFile, dwFileSize)) { nError = GetLastError(); printf("Failed to read full patched file data \"%s\"\n", szFileName); assert(false); } FileStream_Write(handle, NULL, pbFullFile, dwFileSize); delete [] pbFullFile; } } // Cleanup and exit if (handle != NULL) FileStream_Close(handle); if (hFile != NULL) SFileCloseFile(hFile); return nError; }
static int LoadTextFile(const TCHAR * szFileName, PQUERY_KEY pFileBlob) { TFileStream * pStream; ULONGLONG FileSize = 0; int nError = ERROR_SUCCESS; // Open the agent file pStream = FileStream_OpenFile(szFileName, STREAM_FLAG_READ_ONLY | STREAM_PROVIDER_FLAT | BASE_PROVIDER_FILE); if(pStream != NULL) { // Retrieve its size FileStream_GetSize(pStream, &FileSize); // Load the file to memory if(0 < FileSize && FileSize < 0x100000) { // Initialize the blob pFileBlob->cbData = (DWORD)FileSize; pFileBlob->pbData = CASC_ALLOC(BYTE, pFileBlob->cbData + 1); // Load the file data into the blob if(pFileBlob->pbData != NULL) { FileStream_Read(pStream, NULL, pFileBlob->pbData, (DWORD)FileSize); pFileBlob->pbData[pFileBlob->cbData] = 0; } else nError = ERROR_NOT_ENOUGH_MEMORY; } else nError = ERROR_INVALID_PARAMETER; FileStream_Close(pStream); } else nError = GetLastError(); return nError; }
static bool OpenLocalFile(const char * szFileName, HANDLE * phFile) { TFileStream * pStream; TMPQFile * hf = NULL; // We have to convert the local file name to UNICODE, if needed #ifdef _UNICODE TCHAR szFileNameT[MAX_PATH]; int i; for(i = 0; szFileName[i] != 0; i++) szFileNameT[i] = szFileName[i]; szFileNameT[i] = 0; pStream = FileStream_OpenFile(szFileNameT, STREAM_PROVIDER_LINEAR | BASE_PROVIDER_FILE); #else pStream = FileStream_OpenFile(szFileName, STREAM_PROVIDER_LINEAR | BASE_PROVIDER_FILE); #endif if(pStream != NULL) { // Allocate and initialize file handle hf = CreateMpqFile(NULL); if(hf != NULL) { hf->pStream = pStream; *phFile = hf; return true; } else { FileStream_Close(pStream); SetLastError(ERROR_NOT_ENOUGH_MEMORY); } } *phFile = NULL; return false; }
// Checks whether there is a ".build.info" or ".build.db". // If yes, the function sets "szDataPath" and "szIndexPath" // in the storage structure and returns ERROR_SUCCESS int CheckGameDirectory(TCascStorage * hs, TCHAR * szDirectory) { TFileStream * pStream; TCHAR * szBuildFile; int nError = ERROR_FILE_NOT_FOUND; // Try to find any of the root files used in the history for (size_t i = 0; BuildTypes[i].szFileName != NULL; i++) { // Create the full name of the .agent.db file szBuildFile = CombinePath(szDirectory, BuildTypes[i].szFileName); if (szBuildFile != NULL) { // Attempt to open the file pStream = FileStream_OpenFile(szBuildFile, STREAM_FLAG_READ_ONLY); if (pStream != NULL) { // Free the stream FileStream_Close(pStream); // Check for the data directory nError = CheckDataDirectory(hs, szDirectory); if (nError == ERROR_SUCCESS) { hs->szBuildFile = szBuildFile; hs->BuildFileType = BuildTypes[i].BuildFileType; return ERROR_SUCCESS; } } CASC_FREE(szBuildFile); } } return nError; }
int ExtractLocaleFile(int MPQId, const char * szArchivedFile, const char * szFileName) { HANDLE hFile = NULL; // Archived file handle TFileStream* handle = NULL; // Disk file handle int nError = ERROR_SUCCESS; // Result value // Open a file in the archive, e.g. "data\global\music\Act1\tristram.wav" if(nError == ERROR_SUCCESS) { if(!SFileOpenFileEx(localeMPQ[MPQId], szArchivedFile, SFILE_OPEN_PATCHED_FILE, &hFile)) nError = GetLastError(); } // Create the target file if(nError == ERROR_SUCCESS) { //handle = CreateFile(szFileName, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL); //if(handle == INVALID_HANDLE_VALUE) // nError = GetLastError(); handle = FileStream_CreateFile(szFileName); if(handle == NULL) nError = GetLastError(); } /* // Get the size of the full patched file dwFileSize = SFileGetFileSize(hFile, NULL); if(dwFileSize != 0) { // Allocate space for the full file pbFullFile = new BYTE[dwFileSize]; if(pbFullFile != NULL) { if(!SFileReadFile(hFile, pbFullFile, dwFileSize)) { nError = GetLastError(); printf("Failed to read full patched file data \"%s\"\n", szFileName); } if(nError == ERROR_SUCCESS) { strcpy(szLocFileName, MAKE_PATH("Work//")); strcat(szLocFileName, GetPlainName(szFileName)); pStream = FileStream_CreateFile(szLocFileName); if(pStream != NULL) { FileStream_Write(pStream, NULL, pbFullFile, dwFileSize); FileStream_Close(pStream); } } delete [] pbFullFile; } } */ // Read the file from the archive if(nError == ERROR_SUCCESS) { // Get the size of the full patched file DWORD dwFileSize = SFileGetFileSize(hFile, NULL); if(dwFileSize != 0) { // Allocate space for the full file BYTE * pbFullFile = new BYTE[dwFileSize]; if(!SFileReadFile(hFile, pbFullFile, dwFileSize)) { nError = GetLastError(); printf("Failed to read full patched file data \"%s\"\n", szFileName); assert(false); } FileStream_Write(handle, NULL, pbFullFile, dwFileSize); delete [] pbFullFile; } } // Cleanup and exit if(handle != NULL) FileStream_Close(handle); if(hFile != NULL) SFileCloseFile(hFile); return nError; }
bool WINAPI SFileAddFileEx( HANDLE hMpq, const TCHAR * szFileName, const char * szArchivedName, DWORD dwFlags, DWORD dwCompression, // Compression of the first sector DWORD dwCompressionNext) // Compression of next sectors { ULONGLONG FileSize = 0; ULONGLONG FileTime = 0; TFileStream * pStream = NULL; HANDLE hMpqFile = NULL; LPBYTE pbFileData = NULL; DWORD dwBytesRemaining = 0; DWORD dwBytesToRead; DWORD dwSectorSize = 0x1000; DWORD dwChannels = 0; bool bIsAdpcmCompression = false; bool bIsFirstSector = true; int nError = ERROR_SUCCESS; // Check parameters if(hMpq == NULL || szFileName == NULL || *szFileName == 0) { SetLastError(ERROR_INVALID_PARAMETER); return false; } // Open added file pStream = FileStream_OpenFile(szFileName, STREAM_FLAG_READ_ONLY | STREAM_PROVIDER_FLAT | BASE_PROVIDER_FILE); if(pStream == NULL) return false; // Files bigger than 4GB cannot be added to MPQ FileStream_GetTime(pStream, &FileTime); FileStream_GetSize(pStream, &FileSize); if(FileSize >> 32) nError = ERROR_DISK_FULL; // Allocate data buffer for reading from the source file if(nError == ERROR_SUCCESS) { dwBytesRemaining = (DWORD)FileSize; pbFileData = STORM_ALLOC(BYTE, dwSectorSize); if(pbFileData == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Deal with various combination of compressions if(nError == ERROR_SUCCESS) { // When the compression for next blocks is set to default, // we will copy the compression for the first sector if(dwCompressionNext == MPQ_COMPRESSION_NEXT_SAME) dwCompressionNext = dwCompression; // If the caller wants ADPCM compression, we make sure // that the first sector is not compressed with lossy compression if(dwCompressionNext & (MPQ_COMPRESSION_ADPCM_MONO | MPQ_COMPRESSION_ADPCM_STEREO)) { // The compression of the first file sector must not be ADPCM // in order not to corrupt the headers if(dwCompression & (MPQ_COMPRESSION_ADPCM_MONO | MPQ_COMPRESSION_ADPCM_STEREO)) dwCompression = MPQ_COMPRESSION_PKWARE; // Remove both flag mono and stereo flags. // They will be re-added according to WAVE type dwCompressionNext &= ~(MPQ_COMPRESSION_ADPCM_MONO | MPQ_COMPRESSION_ADPCM_STEREO); bIsAdpcmCompression = true; } // Initiate adding file to the MPQ if(!SFileCreateFile(hMpq, szArchivedName, FileTime, (DWORD)FileSize, lcFileLocale, dwFlags, &hMpqFile)) nError = GetLastError(); } // Write the file data to the MPQ while(nError == ERROR_SUCCESS && dwBytesRemaining != 0) { // Get the number of bytes remaining in the source file dwBytesToRead = dwBytesRemaining; if(dwBytesToRead > dwSectorSize) dwBytesToRead = dwSectorSize; // Read data from the local file if(!FileStream_Read(pStream, NULL, pbFileData, dwBytesToRead)) { nError = GetLastError(); break; } // If the file being added is a WAVE file, we check number of channels if(bIsFirstSector && bIsAdpcmCompression) { // The file must really be a WAVE file with at least 16 bits per sample, // otherwise the ADPCM compression will corrupt it if(IsWaveFile_16BitsPerAdpcmSample(pbFileData, dwBytesToRead, &dwChannels)) { // Setup the compression of next sectors according to number of channels dwCompressionNext |= (dwChannels == 1) ? MPQ_COMPRESSION_ADPCM_MONO : MPQ_COMPRESSION_ADPCM_STEREO; } else { // Setup the compression of next sectors to a lossless compression dwCompressionNext = (dwCompression & MPQ_LOSSY_COMPRESSION_MASK) ? MPQ_COMPRESSION_PKWARE : dwCompression; } bIsFirstSector = false; } // Add the file sectors to the MPQ if(!SFileWriteFile(hMpqFile, pbFileData, dwBytesToRead, dwCompression)) { nError = GetLastError(); break; } // Set the next data compression dwBytesRemaining -= dwBytesToRead; dwCompression = dwCompressionNext; } // Finish the file writing if(hMpqFile != NULL) { if(!SFileFinishFile(hMpqFile)) nError = GetLastError(); } // Cleanup and exit if(pbFileData != NULL) STORM_FREE(pbFileData); if(pStream != NULL) FileStream_Close(pStream); if(nError != ERROR_SUCCESS) SetLastError(nError); return (nError == ERROR_SUCCESS); }
bool WINAPI SFileOpenArchive( const TCHAR * szMpqName, DWORD dwPriority, DWORD dwFlags, HANDLE * phMpq) { TMPQUserData * pUserData; TFileStream * pStream = NULL; // Open file stream TMPQArchive * ha = NULL; // Archive handle TFileEntry * pFileEntry; ULONGLONG FileSize = 0; // Size of the file int nError = ERROR_SUCCESS; // Verify the parameters if(szMpqName == NULL || *szMpqName == 0 || phMpq == NULL) nError = ERROR_INVALID_PARAMETER; // One time initialization of MPQ cryptography InitializeMpqCryptography(); dwPriority = dwPriority; // Open the MPQ archive file if(nError == ERROR_SUCCESS) { DWORD dwStreamFlags = (dwFlags & STREAM_FLAGS_MASK); // If not forcing MPQ v 1.0, also use file bitmap dwStreamFlags |= (dwFlags & MPQ_OPEN_FORCE_MPQ_V1) ? 0 : STREAM_FLAG_USE_BITMAP; // Initialize the stream pStream = FileStream_OpenFile(szMpqName, dwStreamFlags); if(pStream == NULL) nError = GetLastError(); } // Check the file size. There must be at least 0x20 bytes if(nError == ERROR_SUCCESS) { FileStream_GetSize(pStream, &FileSize); if(FileSize < MPQ_HEADER_SIZE_V1) nError = ERROR_BAD_FORMAT; } // Allocate the MPQhandle if(nError == ERROR_SUCCESS) { if((ha = STORM_ALLOC(TMPQArchive, 1)) == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Initialize handle structure and allocate structure for MPQ header if(nError == ERROR_SUCCESS) { ULONGLONG SearchOffset = 0; DWORD dwStreamFlags = 0; DWORD dwHeaderSize; DWORD dwHeaderID; memset(ha, 0, sizeof(TMPQArchive)); ha->pfnHashString = HashString; ha->pStream = pStream; pStream = NULL; // Set the archive read only if the stream is read-only FileStream_GetFlags(ha->pStream, &dwStreamFlags); ha->dwFlags |= (dwStreamFlags & STREAM_FLAG_READ_ONLY) ? MPQ_FLAG_READ_ONLY : 0; // Also remember if we shall check sector CRCs when reading file if(dwFlags & MPQ_OPEN_CHECK_SECTOR_CRC) ha->dwFlags |= MPQ_FLAG_CHECK_SECTOR_CRC; // Find the offset of MPQ header within the file while(SearchOffset < FileSize) { DWORD dwBytesAvailable = MPQ_HEADER_SIZE_V4; // Cut the bytes available, if needed if((FileSize - SearchOffset) < MPQ_HEADER_SIZE_V4) dwBytesAvailable = (DWORD)(FileSize - SearchOffset); // Read the eventual MPQ header if(!FileStream_Read(ha->pStream, &SearchOffset, ha->HeaderData, dwBytesAvailable)) { nError = GetLastError(); break; } // There are AVI files from Warcraft III with 'MPQ' extension. if(SearchOffset == 0 && IsAviFile(ha->HeaderData)) { nError = ERROR_AVI_FILE; break; } // If there is the MPQ user data signature, process it dwHeaderID = BSWAP_INT32_UNSIGNED(ha->HeaderData[0]); if(dwHeaderID == ID_MPQ_USERDATA && ha->pUserData == NULL && (dwFlags & MPQ_OPEN_FORCE_MPQ_V1) == 0) { // Verify if this looks like a valid user data pUserData = IsValidMpqUserData(SearchOffset, FileSize, ha->HeaderData); if(pUserData != NULL) { // Fill the user data header ha->UserDataPos = SearchOffset; ha->pUserData = &ha->UserData; memcpy(ha->pUserData, pUserData, sizeof(TMPQUserData)); // Continue searching from that position SearchOffset += ha->pUserData->dwHeaderOffs; continue; } } // There must be MPQ header signature. Note that STORM.dll from Warcraft III actually // tests the MPQ header size. It must be at least 0x20 bytes in order to load it // Abused by Spazzler Map protector. Note that the size check is not present // in Storm.dll v 1.00, so Diablo I code would load the MPQ anyway. dwHeaderSize = BSWAP_INT32_UNSIGNED(ha->HeaderData[1]); if(dwHeaderID == ID_MPQ && dwHeaderSize >= MPQ_HEADER_SIZE_V1) { // Now convert the header to version 4 nError = ConvertMpqHeaderToFormat4(ha, SearchOffset, FileSize, dwFlags); break; } // Check for MPK archives (Longwu Online - MPQ fork) if(dwHeaderID == ID_MPK) { // Now convert the MPK header to MPQ Header version 4 nError = ConvertMpkHeaderToFormat4(ha, FileSize, dwFlags); break; } // If searching for the MPQ header is disabled, return an error if(dwFlags & MPQ_OPEN_NO_HEADER_SEARCH) { nError = ERROR_NOT_SUPPORTED; break; } // Move to the next possible offset SearchOffset += 0x200; } // Did we identify one of the supported headers? if(nError == ERROR_SUCCESS) { // Set the user data position to the MPQ header, if none if(ha->pUserData == NULL) ha->UserDataPos = SearchOffset; // Set the position of the MPQ header ha->pHeader = (TMPQHeader *)ha->HeaderData; ha->MpqPos = SearchOffset; // Sector size must be nonzero. if(SearchOffset >= FileSize || ha->pHeader->wSectorSize == 0) nError = ERROR_BAD_FORMAT; } } // Fix table positions according to format if(nError == ERROR_SUCCESS) { // Dump the header // DumpMpqHeader(ha->pHeader); // W3x Map Protectors use the fact that War3's Storm.dll ignores the MPQ user data, // and ignores the MPQ format version as well. The trick is to // fake MPQ format 2, with an improper hi-word position of hash table and block table // We can overcome such protectors by forcing opening the archive as MPQ v 1.0 if(dwFlags & MPQ_OPEN_FORCE_MPQ_V1) { ha->pHeader->wFormatVersion = MPQ_FORMAT_VERSION_1; ha->pHeader->dwHeaderSize = MPQ_HEADER_SIZE_V1; ha->dwFlags |= MPQ_FLAG_READ_ONLY; ha->pUserData = NULL; } // Both MPQ_OPEN_NO_LISTFILE or MPQ_OPEN_NO_ATTRIBUTES trigger read only mode if(dwFlags & (MPQ_OPEN_NO_LISTFILE | MPQ_OPEN_NO_ATTRIBUTES)) ha->dwFlags |= MPQ_FLAG_READ_ONLY; // Set the size of file sector ha->dwSectorSize = (0x200 << ha->pHeader->wSectorSize); // Verify if any of the tables doesn't start beyond the end of the file nError = VerifyMpqTablePositions(ha, FileSize); } // Read the hash table. Ignore the result, as hash table is no longer required // Read HET table. Ignore the result, as HET table is no longer required if(nError == ERROR_SUCCESS) { nError = LoadAnyHashTable(ha); } // Now, build the file table. It will be built by combining // the block table, BET table, hi-block table, (attributes) and (listfile). if(nError == ERROR_SUCCESS) { nError = BuildFileTable(ha); } // Verify the file table, if no kind of malformation was detected if(nError == ERROR_SUCCESS && (ha->dwFlags & MPQ_FLAG_MALFORMED) == 0) { TFileEntry * pFileTableEnd = ha->pFileTable + ha->dwFileTableSize; ULONGLONG RawFilePos; // Parse all file entries for(pFileEntry = ha->pFileTable; pFileEntry < pFileTableEnd; pFileEntry++) { // If that file entry is valid, check the file position if(pFileEntry->dwFlags & MPQ_FILE_EXISTS) { // Get the 64-bit file position, // relative to the begin of the file RawFilePos = ha->MpqPos + pFileEntry->ByteOffset; // Begin of the file must be within range if(RawFilePos > FileSize) { nError = ERROR_FILE_CORRUPT; break; } // End of the file must be within range RawFilePos += pFileEntry->dwCmpSize; if(RawFilePos > FileSize) { nError = ERROR_FILE_CORRUPT; break; } } } } // Load the internal listfile and include it to the file table if(nError == ERROR_SUCCESS && (dwFlags & MPQ_OPEN_NO_LISTFILE) == 0) { // Save the flags for (listfile) pFileEntry = GetFileEntryLocale(ha, LISTFILE_NAME, LANG_NEUTRAL); if(pFileEntry != NULL) { // Ignore result of the operation. (listfile) is optional. SFileAddListFile((HANDLE)ha, NULL); ha->dwFileFlags1 = pFileEntry->dwFlags; } } // Load the "(attributes)" file and merge it to the file table if(nError == ERROR_SUCCESS && (dwFlags & MPQ_OPEN_NO_ATTRIBUTES) == 0) { // Save the flags for (attributes) pFileEntry = GetFileEntryLocale(ha, ATTRIBUTES_NAME, LANG_NEUTRAL); if(pFileEntry != NULL) { // Ignore result of the operation. (attributes) is optional. SAttrLoadAttributes(ha); ha->dwFileFlags2 = pFileEntry->dwFlags; } } // Cleanup and exit if(nError != ERROR_SUCCESS) { FileStream_Close(pStream); FreeMPQArchive(ha); SetLastError(nError); ha = NULL; } *phMpq = ha; return (nError == ERROR_SUCCESS); }
bool WINAPI SFileCreateArchive2(const TCHAR * szMpqName, PSFILE_CREATE_MPQ pCreateInfo, HANDLE * phMpq) { TFileStream * pStream = NULL; // File stream TMPQArchive * ha = NULL; // MPQ archive handle ULONGLONG MpqPos = 0; // Position of MPQ header in the file HANDLE hMpq = NULL; DWORD dwBlockTableSize = 0; // Initial block table size DWORD dwHashTableSize = 0; DWORD dwMaxFileCount; int nError = ERROR_SUCCESS; // Check the parameters, if they are valid if(szMpqName == NULL || *szMpqName == 0 || pCreateInfo == NULL || phMpq == NULL) { SetLastError(ERROR_INVALID_PARAMETER); return false; } // Verify if all variables in SFILE_CREATE_MPQ are correct if((pCreateInfo->cbSize == 0 || pCreateInfo->cbSize > sizeof(SFILE_CREATE_MPQ)) || (pCreateInfo->dwMpqVersion > MPQ_FORMAT_VERSION_4) || (pCreateInfo->pvUserData != NULL || pCreateInfo->cbUserData != 0) || (pCreateInfo->dwAttrFlags & ~MPQ_ATTRIBUTE_ALL) || (pCreateInfo->dwSectorSize & (pCreateInfo->dwSectorSize - 1)) || (pCreateInfo->dwRawChunkSize & (pCreateInfo->dwRawChunkSize - 1)) || (pCreateInfo->dwMaxFileCount < 4)) { SetLastError(ERROR_INVALID_PARAMETER); return false; } // One time initialization of MPQ cryptography InitializeMpqCryptography(); // We verify if the file already exists and if it's a MPQ archive. // If yes, we won't allow to overwrite it. if(SFileOpenArchive(szMpqName, 0, STREAM_PROVIDER_LINEAR | BASE_PROVIDER_FILE | MPQ_OPEN_NO_ATTRIBUTES | MPQ_OPEN_NO_LISTFILE, &hMpq)) { SFileCloseArchive(hMpq); SetLastError(ERROR_ALREADY_EXISTS); return false; } // // At this point, we have to create the archive. // - If the file exists, convert it to MPQ archive. // - If the file doesn't exist, create new empty file // pStream = FileStream_OpenFile(szMpqName, pCreateInfo->dwStreamFlags); if(pStream == NULL) { pStream = FileStream_CreateFile(szMpqName, pCreateInfo->dwStreamFlags); if(pStream == NULL) return false; } // Increment the maximum amount of files to have space // for listfile and attributes file dwMaxFileCount = pCreateInfo->dwMaxFileCount; if(pCreateInfo->dwAttrFlags != 0) dwMaxFileCount++; dwMaxFileCount++; // If file count is not zero, initialize the hash table size dwHashTableSize = GetHashTableSizeForFileCount(dwMaxFileCount); // Retrieve the file size and round it up to 0x200 bytes FileStream_GetSize(pStream, MpqPos); MpqPos = (MpqPos + 0x1FF) & (ULONGLONG)0xFFFFFFFFFFFFFE00ULL; if(!FileStream_SetSize(pStream, MpqPos)) nError = GetLastError(); #ifdef _DEBUG // Debug code, used for testing StormLib // dwBlockTableSize = dwHashTableSize * 2; #endif // Create the archive handle if(nError == ERROR_SUCCESS) { if((ha = STORM_ALLOC(TMPQArchive, 1)) == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Fill the MPQ archive handle structure if(nError == ERROR_SUCCESS) { memset(ha, 0, sizeof(TMPQArchive)); ha->pStream = pStream; ha->dwSectorSize = pCreateInfo->dwSectorSize; ha->UserDataPos = MpqPos; ha->MpqPos = MpqPos; ha->pHeader = (TMPQHeader *)ha->HeaderData; ha->dwMaxFileCount = dwMaxFileCount; ha->dwFileTableSize = 0; ha->dwFileFlags1 = pCreateInfo->dwFileFlags1; ha->dwFileFlags2 = pCreateInfo->dwFileFlags2; ha->dwFlags = 0; // Setup the attributes ha->dwAttrFlags = pCreateInfo->dwAttrFlags; pStream = NULL; } // Fill the MPQ header if(nError == ERROR_SUCCESS) { TMPQHeader * pHeader = ha->pHeader; // Fill the MPQ header memset(pHeader, 0, sizeof(ha->HeaderData)); pHeader->dwID = ID_MPQ; pHeader->dwHeaderSize = MpqHeaderSizes[pCreateInfo->dwMpqVersion]; pHeader->dwArchiveSize = pHeader->dwHeaderSize + dwHashTableSize * sizeof(TMPQHash); pHeader->wFormatVersion = (USHORT)pCreateInfo->dwMpqVersion; pHeader->wSectorSize = GetSectorSizeShift(ha->dwSectorSize); pHeader->dwHashTablePos = pHeader->dwHeaderSize; pHeader->dwHashTableSize = dwHashTableSize; pHeader->dwBlockTablePos = pHeader->dwHashTablePos + dwHashTableSize * sizeof(TMPQHash); pHeader->dwBlockTableSize = dwBlockTableSize; // For MPQs version 4 and higher, we set the size of raw data block // for calculating MD5 if(pCreateInfo->dwMpqVersion >= MPQ_FORMAT_VERSION_4) pHeader->dwRawChunkSize = pCreateInfo->dwRawChunkSize; // Write the naked MPQ header nError = WriteNakedMPQHeader(ha); // Remember that the (listfile) and (attributes) need to be saved ha->dwFlags |= MPQ_FLAG_CHANGED | MPQ_FLAG_INV_LISTFILE | MPQ_FLAG_INV_ATTRIBUTES; } // Create initial HET table, if the caller required an MPQ format 3.0 or newer if(nError == ERROR_SUCCESS && pCreateInfo->dwMpqVersion >= MPQ_FORMAT_VERSION_3) { ha->pHetTable = CreateHetTable(ha->dwMaxFileCount, 0x40, true); if(ha->pHetTable == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Create initial hash table if(nError == ERROR_SUCCESS) { nError = CreateHashTable(ha, dwHashTableSize); } // Create initial file table if(nError == ERROR_SUCCESS) { ha->pFileTable = STORM_ALLOC(TFileEntry, ha->dwMaxFileCount); if(ha->pFileTable != NULL) memset(ha->pFileTable, 0x00, sizeof(TFileEntry) * ha->dwMaxFileCount); else nError = ERROR_NOT_ENOUGH_MEMORY; } // Cleanup : If an error, delete all buffers and return if(nError != ERROR_SUCCESS) { FileStream_Close(pStream); FreeMPQArchive(ha); SetLastError(nError); ha = NULL; } // Return the values *phMpq = (HANDLE)ha; return (nError == ERROR_SUCCESS); }
bool WINAPI SFileOpenArchive( const char * szMpqName, DWORD dwPriority, DWORD dwFlags, HANDLE * phMpq) { TFileStream * pStream = NULL; // Open file stream TMPQArchive * ha = NULL; // Archive handle ULONGLONG FileSize = 0; // Size of the file int nError = ERROR_SUCCESS; // Verify the parameters if (szMpqName == NULL || *szMpqName == 0 || phMpq == NULL) nError = ERROR_INVALID_PARAMETER; // One time initialization of MPQ cryptography InitializeMpqCryptography(); dwPriority = dwPriority; // Open the MPQ archive file if (nError == ERROR_SUCCESS) { if (!(dwFlags & MPQ_OPEN_ENCRYPTED)) { pStream = FileStream_OpenFile(szMpqName, (dwFlags & MPQ_OPEN_READ_ONLY) ? false : true); if (pStream == NULL) nError = GetLastError(); } else { pStream = FileStream_OpenEncrypted(szMpqName); if (pStream == NULL) nError = GetLastError(); } } // Allocate the MPQhandle if (nError == ERROR_SUCCESS) { FileStream_GetSize(pStream, FileSize); if ((ha = ALLOCMEM(TMPQArchive, 1)) == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Initialize handle structure and allocate structure for MPQ header if (nError == ERROR_SUCCESS) { memset(ha, 0, sizeof(TMPQArchive)); ha->pStream = pStream; pStream = NULL; // Remember if the archive is open for write if (ha->pStream->StreamFlags & (STREAM_FLAG_READ_ONLY | STREAM_FLAG_ENCRYPTED_FILE)) ha->dwFlags |= MPQ_FLAG_READ_ONLY; // Also remember if we shall check sector CRCs when reading file if (dwFlags & MPQ_OPEN_CHECK_SECTOR_CRC) ha->dwFlags |= MPQ_FLAG_CHECK_SECTOR_CRC; } // Find the offset of MPQ header within the file if (nError == ERROR_SUCCESS) { ULONGLONG SearchPos = 0; DWORD dwHeaderID; while (SearchPos < FileSize) { DWORD dwBytesAvailable = MPQ_HEADER_SIZE_V4; // Cut the bytes available, if needed if ((FileSize - SearchPos) < MPQ_HEADER_SIZE_V4) dwBytesAvailable = (DWORD)(FileSize - SearchPos); // Read the eventual MPQ header if (!FileStream_Read(ha->pStream, &SearchPos, ha->HeaderData, dwBytesAvailable)) { nError = GetLastError(); break; } // There are AVI files from Warcraft III with 'MPQ' extension. if (SearchPos == 0 && IsAviFile(ha->HeaderData)) { nError = ERROR_AVI_FILE; break; } // If there is the MPQ user data signature, process it dwHeaderID = BSWAP_INT32_UNSIGNED(*(LPDWORD)ha->HeaderData); if (dwHeaderID == ID_MPQ_USERDATA && ha->pUserData == NULL) { // Ignore the MPQ user data completely if the caller wants to open the MPQ as V1.0 if ((dwFlags & MPQ_OPEN_FORCE_MPQ_V1) == 0) { // Fill the user data header ha->pUserData = &ha->UserData; memcpy(ha->pUserData, ha->HeaderData, sizeof(TMPQUserData)); BSWAP_TMPQUSERDATA(ha->pUserData); // Remember the position of the user data and continue search ha->UserDataPos = SearchPos; SearchPos += ha->pUserData->dwHeaderOffs; continue; } } // There must be MPQ header signature if (dwHeaderID == ID_MPQ) { // Save the position where the MPQ header has been found if (ha->pUserData == NULL) ha->UserDataPos = SearchPos; ha->pHeader = (TMPQHeader *)ha->HeaderData; ha->MpqPos = SearchPos; // Now convert the header to version 4 BSWAP_TMPQHEADER(ha->pHeader); ConvertMpqHeaderToFormat4(ha, FileSize, dwFlags); break; } // Move to the next possible offset SearchPos += 0x200; } // If we haven't found MPQ header in the file, it's an error if (ha->pHeader == NULL) nError = ERROR_BAD_FORMAT; } // Fix table positions according to format if (nError == ERROR_SUCCESS) { // W3x Map Protectors use the fact that War3's Storm.dll ignores the MPQ user data, // and probably ignores the MPQ format version as well. The trick is to // fake MPQ format 2, with an improper hi-word position of hash table and block table // We can overcome such protectors by forcing opening the archive as MPQ v 1.0 if (dwFlags & MPQ_OPEN_FORCE_MPQ_V1) { ha->pHeader->wFormatVersion = MPQ_FORMAT_VERSION_1; ha->pHeader->dwHeaderSize = MPQ_HEADER_SIZE_V1; ha->dwFlags |= MPQ_FLAG_READ_ONLY; ha->pUserData = NULL; } // Both MPQ_OPEN_NO_LISTFILE or MPQ_OPEN_NO_ATTRIBUTES trigger read only mode if (dwFlags & (MPQ_OPEN_NO_LISTFILE | MPQ_OPEN_NO_ATTRIBUTES)) ha->dwFlags |= MPQ_FLAG_READ_ONLY; // Set the size of file sector ha->dwSectorSize = (0x200 << ha->pHeader->wSectorSize); // Verify if any of the tables doesn't start beyond the end of the file nError = VerifyMpqTablePositions(ha, FileSize); } // Read the hash table. // "interface.MPQ.part" in trial version of World of Warcraft // has compressed block table and hash table. if (nError == ERROR_SUCCESS) { // // Note: We will not check if the hash table is properly decrypted. // Some MPQ protectors corrupt the hash table by rewriting part of it. // Hash table, the way how it works, allows arbitrary values for unused entries. // nError = LoadHashTable(ha); } // Read Het and Bet tables, if they are present if (nError == ERROR_SUCCESS) { nError = LoadHetAndBetTable(ha); if (ha->pHetTable || ha->pBetTable) ha->dwFlags |= MPQ_FLAG_READ_ONLY; } // Now, build the file table. It will be built by combining // the block table, hi-block table, (attributes) and (listfile). if (nError == ERROR_SUCCESS) { nError = BuildFileTable(ha, FileSize); } // Verify the block table, if no kind of protection was detected if (nError == ERROR_SUCCESS && (ha->dwFlags & MPQ_FLAG_PROTECTED) == 0) { TFileEntry * pFileTableEnd = ha->pFileTable + ha->pHeader->dwBlockTableSize; TFileEntry * pFileEntry = ha->pFileTable; // ULONGLONG ArchiveSize = 0; ULONGLONG RawFilePos; // Parse all file entries for (pFileEntry = ha->pFileTable; pFileEntry < pFileTableEnd; pFileEntry++) { // If that file entry is valid, check the file position if (pFileEntry->dwFlags & MPQ_FILE_EXISTS) { // Get the 64-bit file position, // relative to the begin of the file RawFilePos = ha->MpqPos + pFileEntry->ByteOffset; // Begin of the file must be within range if (RawFilePos > FileSize) { nError = ERROR_FILE_CORRUPT; break; } // End of the file must be within range RawFilePos += pFileEntry->dwCmpSize; if (RawFilePos > FileSize) { nError = ERROR_FILE_CORRUPT; break; } // Also, we remember end of the file // if (RawFilePos > ArchiveSize) // ArchiveSize = RawFilePos; } } } // Load the "(attributes)" file and merge it to the file table if (nError == ERROR_SUCCESS && (dwFlags & MPQ_OPEN_NO_ATTRIBUTES) == 0) { // Ignore result of the operation. (attributes) is optional. SAttrLoadAttributes(ha); } // Load the internal listfile and include it to the file table if (nError == ERROR_SUCCESS && (dwFlags & MPQ_OPEN_NO_LISTFILE) == 0) { // Ignore result of the operation. (listfile) is optional. SFileAddListFile((HANDLE)ha, NULL); } // Test the indexes from BET and BET table #ifdef __STORMLIB_TEST__ if (nError == ERROR_SUCCESS) { TestNewHashBlockTables(ha); } #endif // Cleanup and exit if (nError != ERROR_SUCCESS) { FileStream_Close(pStream); FreeMPQArchive(ha); SetLastError(nError); ha = NULL; } *phMpq = ha; return (nError == ERROR_SUCCESS); }
bool WINAPI SFileAddFileEx( HANDLE hMpq, const char * szFileName, const char * szArchivedName, DWORD dwFlags, DWORD dwCompression, // Compression of the first sector DWORD dwCompressionNext) // Compression of next sectors { LARGE_INTEGER FileSize = {0}; TMPQFileTime ft = {0, 0}; TFileStream * pStream = NULL; HANDLE hMpqFile = NULL; LPBYTE pbFileData = NULL; DWORD dwBytesRemaining = 0; DWORD dwBytesToRead; DWORD dwSectorSize = 0x1000; int nError = ERROR_SUCCESS; // Check parameters if(szFileName == NULL || *szFileName == 0) nError = ERROR_INVALID_PARAMETER; // Open added file if(nError == ERROR_SUCCESS) { pStream = FileStream_OpenFile(szFileName, false); if(pStream == NULL) nError = GetLastError(); } // Get the file size and file time if(nError == ERROR_SUCCESS) { FileStream_GetLastWriteTime(pStream, &ft); FileStream_GetSize(pStream, &FileSize); if(FileSize.HighPart != 0) nError = ERROR_DISK_FULL; } // Allocate data buffer for reading from the source file if(nError == ERROR_SUCCESS) { dwBytesRemaining = FileSize.LowPart; pbFileData = ALLOCMEM(BYTE, dwSectorSize); if(pbFileData == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Deal with various combination of compressions if(nError == ERROR_SUCCESS) { // When the compression for next blocks is set to default, // we will copy the compression for the first sector if(dwCompressionNext == 0xFFFFFFFF) dwCompressionNext = dwCompression; // If the caller wants ADPCM compression, we make sure that the first sector is not // compressed with lossy compression if(dwCompressionNext & (MPQ_COMPRESSION_WAVE_MONO | MPQ_COMPRESSION_WAVE_STEREO)) { // The first compression must not be WAVE if(dwCompression & (MPQ_COMPRESSION_WAVE_MONO | MPQ_COMPRESSION_WAVE_STEREO)) dwCompression = MPQ_COMPRESSION_PKWARE; } // Initiate adding file to the MPQ if(!SFileCreateFile(hMpq, szArchivedName, &ft, FileSize.LowPart, lcFileLocale, dwFlags, &hMpqFile)) nError = GetLastError(); } // Write the file data to the MPQ while(dwBytesRemaining != 0 && nError == ERROR_SUCCESS) { // Get the number of bytes remaining in the source file dwBytesToRead = dwBytesRemaining; if(dwBytesToRead > dwSectorSize) dwBytesToRead = dwSectorSize; // Read data from the local file if(!FileStream_Read(pStream, NULL, pbFileData, dwBytesToRead)) { nError = GetLastError(); break; } // Add the file sectors to the MPQ if(!SFileWriteFile(hMpqFile, pbFileData, dwBytesToRead, dwCompression)) { nError = GetLastError(); break; } // Set the next data compression dwBytesRemaining -= dwBytesToRead; dwCompression = dwCompressionNext; } // Finish the file writing if(hMpqFile != NULL) { if(!SFileFinishFile(hMpqFile)) nError = GetLastError(); } // Cleanup and exit if(pbFileData != NULL) FREEMEM(pbFileData); if(pStream != NULL) FileStream_Close(pStream); if(nError != ERROR_SUCCESS) SetLastError(nError); return (nError == ERROR_SUCCESS); }
static int ExtractFile(HANDLE hStorage, const char * szFileName, const TCHAR * szLocalPath, DWORD dwLocaleFlags) { TFileStream * pStream = NULL; HANDLE hFile = NULL; TCHAR szLocalFileName[MAX_PATH]; TCHAR * szNamePtr = szLocalFileName; BYTE Buffer[0x1000]; DWORD dwBytesRead; int nError = ERROR_SUCCESS; // Create the file path _tcscpy(szNamePtr, szLocalPath); szNamePtr += _tcslen(szLocalPath); *szNamePtr++ = _T('\\'); // Copy the plain file name CopyString(szNamePtr, szFileName, strlen(szFileName)); // Open the CASC file if(nError == ERROR_SUCCESS) { // Open a file if(!CascOpenFile(hStorage, szFileName, dwLocaleFlags, 0, &hFile)) { assert(GetLastError() != ERROR_SUCCESS); nError = GetLastError(); } } // Create the local file if(nError == ERROR_SUCCESS) { pStream = FileStream_CreateFile(szLocalFileName, 0); if(pStream == NULL) { // Try to create all directories and retry ForceCreatePath(szLocalFileName); pStream = FileStream_CreateFile(szLocalFileName, 0); if(pStream == NULL) nError = GetLastError(); } } // Read some data from the file if(nError == ERROR_SUCCESS) { for(;;) { // Read data from the file CascReadFile(hFile, Buffer, sizeof(Buffer), &dwBytesRead); if(dwBytesRead == 0) break; // Write the local file FileStream_Write(pStream, NULL, Buffer, dwBytesRead); } } // Close handles if(pStream != NULL) FileStream_Close(pStream); if(hFile != NULL) CascCloseFile(hFile); return nError; }
bool WINAPI SFileCompactArchive(HANDLE hMpq, const char * szListFile, bool /* bReserved */) { TFileStream * pTempStream = NULL; TMPQArchive * ha = (TMPQArchive *)hMpq; ULONGLONG ByteOffset; ULONGLONG ByteCount; LPDWORD pFileKeys = NULL; char szTempFile[MAX_PATH] = ""; char * szTemp = NULL; int nError = ERROR_SUCCESS; // Test the valid parameters if (!IsValidMpqHandle(ha)) nError = ERROR_INVALID_HANDLE; if (ha->dwFlags & MPQ_FLAG_READ_ONLY) nError = ERROR_ACCESS_DENIED; if (ha->pHetTable != NULL || ha->pBetTable != NULL) nError = ERROR_ACCESS_DENIED; // Create the table with file keys if (nError == ERROR_SUCCESS) { if ((pFileKeys = ALLOCMEM(DWORD, ha->dwFileTableSize)) != NULL) memset(pFileKeys, 0, sizeof(DWORD) * ha->dwFileTableSize); else nError = ERROR_NOT_ENOUGH_MEMORY; } // First of all, we have to check of we are able to decrypt all files. // If not, sorry, but the archive cannot be compacted. if (nError == ERROR_SUCCESS) { // Initialize the progress variables for compact callback FileStream_GetSize(ha->pStream, CompactTotalBytes); CompactBytesProcessed = 0; nError = CheckIfAllFilesKnown(ha, szListFile, pFileKeys); } // Get the temporary file name and create it if (nError == ERROR_SUCCESS) { strcpy(szTempFile, ha->pStream->szFileName); if ((szTemp = strrchr(szTempFile, '.')) != NULL) strcpy(szTemp + 1, "mp_"); else strcat(szTempFile, "_"); pTempStream = FileStream_CreateFile(szTempFile); if (pTempStream == NULL) nError = GetLastError(); } // Write the data before MPQ user data (if any) if (nError == ERROR_SUCCESS && ha->UserDataPos != 0) { // Inform the application about the progress if (CompactCB != NULL) CompactCB(pvUserData, CCB_COPYING_NON_MPQ_DATA, CompactBytesProcessed, CompactTotalBytes); ByteOffset = 0; ByteCount = ha->UserDataPos; nError = CopyNonMpqData(ha->pStream, pTempStream, ByteOffset, ByteCount); } // Write the MPQ user data (if any) if (nError == ERROR_SUCCESS && ha->MpqPos > ha->UserDataPos) { // At this point, we assume that the user data size is equal // to pUserData->dwHeaderOffs. // If this assumption doesn't work, then we have an unknown version of MPQ ByteOffset = ha->UserDataPos; ByteCount = ha->MpqPos - ha->UserDataPos; assert(ha->pUserData != NULL); assert(ha->pUserData->dwHeaderOffs == ByteCount); nError = CopyNonMpqData(ha->pStream, pTempStream, ByteOffset, ByteCount); } // Write the MPQ header if (nError == ERROR_SUCCESS) { // Remember the header size before swapping DWORD dwBytesToWrite = ha->pHeader->dwHeaderSize; BSWAP_TMPQHEADER(ha->pHeader); if (!FileStream_Write(pTempStream, NULL, ha->pHeader, dwBytesToWrite)) nError = GetLastError(); BSWAP_TMPQHEADER(ha->pHeader); // Update the progress CompactBytesProcessed += ha->pHeader->dwHeaderSize; ha->dwFlags &= ~MPQ_FLAG_NO_HEADER; } // Now copy all files if (nError == ERROR_SUCCESS) { nError = CopyMpqFiles(ha, pFileKeys, pTempStream); } // If succeeded, switch the streams if (nError == ERROR_SUCCESS) { if (FileStream_MoveFile(ha->pStream, pTempStream)) pTempStream = NULL; else nError = ERROR_CAN_NOT_COMPLETE; } // If all succeeded, save the MPQ tables if (nError == ERROR_SUCCESS) { // // Note: We don't recalculate position of the MPQ tables at this point. // SaveMPQTables does it automatically. // nError = SaveMPQTables(ha); if (nError == ERROR_SUCCESS && CompactCB != NULL) { CompactBytesProcessed += (ha->pHeader->dwHashTableSize * sizeof(TMPQHash)); CompactBytesProcessed += (ha->pHeader->dwBlockTableSize * sizeof(TMPQBlock)); CompactCB(pvUserData, CCB_CLOSING_ARCHIVE, CompactBytesProcessed, CompactTotalBytes); } } // Invalidate the compact callback pvUserData = NULL; CompactCB = NULL; // Cleanup and return if (pTempStream != NULL) FileStream_Close(pTempStream); if (pFileKeys != NULL) FREEMEM(pFileKeys); if (nError != ERROR_SUCCESS) SetLastError(nError); return (nError == ERROR_SUCCESS); }
bool WINAPI SFileCreateArchive(const char * szMpqName, DWORD dwFlags, DWORD dwMaxFileCount, HANDLE * phMpq) { TFileStream * pStream = NULL; // File stream TMPQArchive * ha = NULL; // MPQ archive handle ULONGLONG MpqPos = 0; // Position of MPQ header in the file HANDLE hMpq = NULL; USHORT wFormatVersion = MPQ_FORMAT_VERSION_1; DWORD dwBlockTableSize = 0; // Initial block table size DWORD dwHashTableSize = 0; int nError = ERROR_SUCCESS; // Check the parameters, if they are valid if(szMpqName == NULL || *szMpqName == 0 || phMpq == NULL) { SetLastError(ERROR_INVALID_PARAMETER); return false; } // One time initialization of MPQ cryptography InitializeMpqCryptography(); // We verify if the file already exists and if it's a MPQ archive. // If yes, we won't allow to overwrite it. if(SFileOpenArchive(szMpqName, 0, dwFlags, &hMpq)) { SFileCloseArchive(hMpq); SetLastError(ERROR_ALREADY_EXISTS); return false; } // // At this point, we have to create the archive. // - If the file exists, convert it to MPQ archive. // - If the file doesn't exist, create new empty file // pStream = FileStream_OpenFile(szMpqName, true); if(pStream == NULL) { pStream = FileStream_CreateFile(szMpqName); if(pStream == NULL) return false; } // Decide what format to use wFormatVersion = (USHORT)((dwFlags & MPQ_CREATE_ARCHIVE_VMASK) >> 16); if(wFormatVersion > MPQ_FORMAT_VERSION_4) { SetLastError(ERROR_INVALID_PARAMETER); return false; } // Increment the maximum amount of files to have space // for listfile and attributes file if(dwFlags & MPQ_CREATE_ATTRIBUTES) dwMaxFileCount++; dwMaxFileCount++; // If file count is not zero, initialize the hash table size dwHashTableSize = GetHashTableSizeForFileCount(dwMaxFileCount); // Retrieve the file size and round it up to 0x200 bytes FileStream_GetSize(pStream, MpqPos); MpqPos = (MpqPos + 0x1FF) & (ULONGLONG)0xFFFFFFFFFFFFFE00ULL; if(!FileStream_SetSize(pStream, MpqPos)) nError = GetLastError(); #ifdef _DEBUG // Debug code, used for testing StormLib // dwBlockTableSize = dwHashTableSize * 2; #endif // Create the archive handle if(nError == ERROR_SUCCESS) { if((ha = ALLOCMEM(TMPQArchive, 1)) == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Fill the MPQ archive handle structure if(nError == ERROR_SUCCESS) { memset(ha, 0, sizeof(TMPQArchive)); ha->pStream = pStream; ha->dwSectorSize = (wFormatVersion >= MPQ_FORMAT_VERSION_3) ? 0x4000 : 0x1000; ha->UserDataPos = MpqPos; ha->MpqPos = MpqPos; ha->pHeader = (TMPQHeader *)ha->HeaderData; ha->dwMaxFileCount = dwMaxFileCount; ha->dwFileTableSize = 0; ha->dwFileFlags1 = MPQ_FILE_ENCRYPTED | MPQ_FILE_COMPRESS | MPQ_FILE_REPLACEEXISTING; ha->dwFileFlags2 = MPQ_FILE_ENCRYPTED | MPQ_FILE_COMPRESS | MPQ_FILE_REPLACEEXISTING; ha->dwFlags = 0; // Setup the attributes if(dwFlags & MPQ_CREATE_ATTRIBUTES) ha->dwAttrFlags = MPQ_ATTRIBUTE_CRC32 | MPQ_ATTRIBUTE_FILETIME | MPQ_ATTRIBUTE_MD5; pStream = NULL; } // Fill the MPQ header if(nError == ERROR_SUCCESS) { TMPQHeader * pHeader = ha->pHeader; // Fill the MPQ header memset(pHeader, 0, sizeof(ha->HeaderData)); pHeader->dwID = ID_MPQ; pHeader->dwHeaderSize = MpqHeaderSizes[wFormatVersion]; pHeader->dwArchiveSize = pHeader->dwHeaderSize + dwHashTableSize * sizeof(TMPQHash); pHeader->wFormatVersion = wFormatVersion; pHeader->wSectorSize = GetSectorSizeShift(ha->dwSectorSize); pHeader->dwHashTablePos = pHeader->dwHeaderSize; pHeader->dwHashTableSize = dwHashTableSize; pHeader->dwBlockTablePos = pHeader->dwHashTablePos + dwHashTableSize * sizeof(TMPQHash); pHeader->dwBlockTableSize = dwBlockTableSize; // For MPQs version 4 and higher, we set the size of raw data block // for calculating MD5 if(wFormatVersion >= MPQ_FORMAT_VERSION_4) pHeader->dwRawChunkSize = 0x4000; // Write the naked MPQ header nError = WriteNakedMPQHeader(ha); // // Note: Don't recalculate position of MPQ tables at this point. // We merely set a flag that indicates that the MPQ tables // have been changed, and SaveMpqTables will do the work when closing the archive. // ha->dwFlags |= MPQ_FLAG_CHANGED; } // Create initial hash table if(nError == ERROR_SUCCESS) { nError = CreateHashTable(ha, dwHashTableSize); } // Create initial HET table, if the caller required an MPQ format 3.0 or newer if(nError == ERROR_SUCCESS && wFormatVersion >= MPQ_FORMAT_VERSION_3) { ha->pHetTable = CreateHetTable(ha->dwMaxFileCount, 0x40, true); if(ha->pHetTable == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Create initial file table if(nError == ERROR_SUCCESS) { ha->pFileTable = ALLOCMEM(TFileEntry, dwMaxFileCount); if(ha->pFileTable != NULL) memset(ha->pFileTable, 0x00, sizeof(TFileEntry) * dwMaxFileCount); else nError = ERROR_NOT_ENOUGH_MEMORY; } // Cleanup : If an error, delete all buffers and return if(nError != ERROR_SUCCESS) { FileStream_Close(pStream); FreeMPQArchive(ha); SetLastError(nError); ha = NULL; } // Return the values *phMpq = (HANDLE)ha; return (nError == ERROR_SUCCESS); }
bool WINAPI SFileOpenArchive( const TCHAR * szMpqName, DWORD dwPriority, DWORD dwFlags, HANDLE * phMpq) { TMPQUserData * pUserData; TFileStream * pStream = NULL; // Open file stream TMPQArchive * ha = NULL; // Archive handle TFileEntry * pFileEntry; ULONGLONG FileSize = 0; // Size of the file LPBYTE pbHeaderBuffer = NULL; // Buffer for searching MPQ header DWORD dwStreamFlags = (dwFlags & STREAM_FLAGS_MASK); bool bIsWarcraft3Map = false; int nError = ERROR_SUCCESS; // Verify the parameters if(szMpqName == NULL || *szMpqName == 0 || phMpq == NULL) { SetLastError(ERROR_INVALID_PARAMETER); return false; } // One time initialization of MPQ cryptography InitializeMpqCryptography(); dwPriority = dwPriority; // If not forcing MPQ v 1.0, also use file bitmap dwStreamFlags |= (dwFlags & MPQ_OPEN_FORCE_MPQ_V1) ? 0 : STREAM_FLAG_USE_BITMAP; // Open the MPQ archive file pStream = FileStream_OpenFile(szMpqName, dwStreamFlags); if(pStream == NULL) return false; // Check the file size. There must be at least 0x20 bytes if(nError == ERROR_SUCCESS) { FileStream_GetSize(pStream, &FileSize); if(FileSize < MPQ_HEADER_SIZE_V1) nError = ERROR_BAD_FORMAT; } // Allocate the MPQhandle if(nError == ERROR_SUCCESS) { if((ha = STORM_ALLOC(TMPQArchive, 1)) == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Allocate buffer for searching MPQ header if(nError == ERROR_SUCCESS) { pbHeaderBuffer = STORM_ALLOC(BYTE, HEADER_SEARCH_BUFFER_SIZE); if(pbHeaderBuffer == NULL) nError = ERROR_NOT_ENOUGH_MEMORY; } // Find the position of MPQ header if(nError == ERROR_SUCCESS) { ULONGLONG SearchOffset = 0; ULONGLONG EndOfSearch = FileSize; DWORD dwStrmFlags = 0; DWORD dwHeaderSize; DWORD dwHeaderID; bool bSearchComplete = false; memset(ha, 0, sizeof(TMPQArchive)); ha->pfnHashString = HashStringSlash; ha->pStream = pStream; pStream = NULL; // Set the archive read only if the stream is read-only FileStream_GetFlags(ha->pStream, &dwStrmFlags); ha->dwFlags |= (dwStrmFlags & STREAM_FLAG_READ_ONLY) ? MPQ_FLAG_READ_ONLY : 0; // Also remember if we shall check sector CRCs when reading file ha->dwFlags |= (dwFlags & MPQ_OPEN_CHECK_SECTOR_CRC) ? MPQ_FLAG_CHECK_SECTOR_CRC : 0; // Also remember if this MPQ is a patch ha->dwFlags |= (dwFlags & MPQ_OPEN_PATCH) ? MPQ_FLAG_PATCH : 0; // Limit the header searching to about 130 MB of data if(EndOfSearch > 0x08000000) EndOfSearch = 0x08000000; // Find the offset of MPQ header within the file while(bSearchComplete == false && SearchOffset < EndOfSearch) { // Always read at least 0x1000 bytes for performance. // This is what Storm.dll (2002) does. DWORD dwBytesAvailable = HEADER_SEARCH_BUFFER_SIZE; DWORD dwInBufferOffset = 0; // Cut the bytes available, if needed if((FileSize - SearchOffset) < HEADER_SEARCH_BUFFER_SIZE) dwBytesAvailable = (DWORD)(FileSize - SearchOffset); // Read the eventual MPQ header if(!FileStream_Read(ha->pStream, &SearchOffset, pbHeaderBuffer, dwBytesAvailable)) { nError = GetLastError(); break; } // There are AVI files from Warcraft III with 'MPQ' extension. if(SearchOffset == 0) { if(IsAviFile((DWORD *)pbHeaderBuffer)) { nError = ERROR_AVI_FILE; break; } bIsWarcraft3Map = IsWarcraft3Map((DWORD *)pbHeaderBuffer); } // Search the header buffer while(dwInBufferOffset < dwBytesAvailable) { // Copy the data from the potential header buffer to the MPQ header memcpy(ha->HeaderData, pbHeaderBuffer + dwInBufferOffset, sizeof(ha->HeaderData)); // If there is the MPQ user data, process it // Note that Warcraft III does not check for user data, which is abused by many map protectors dwHeaderID = BSWAP_INT32_UNSIGNED(ha->HeaderData[0]); if(bIsWarcraft3Map == false && (dwFlags & MPQ_OPEN_FORCE_MPQ_V1) == 0) { if(ha->pUserData == NULL && dwHeaderID == ID_MPQ_USERDATA) { // Verify if this looks like a valid user data pUserData = IsValidMpqUserData(SearchOffset, FileSize, ha->HeaderData); if(pUserData != NULL) { // Fill the user data header ha->UserDataPos = SearchOffset; ha->pUserData = &ha->UserData; memcpy(ha->pUserData, pUserData, sizeof(TMPQUserData)); // Continue searching from that position SearchOffset += ha->pUserData->dwHeaderOffs; break; } } } // There must be MPQ header signature. Note that STORM.dll from Warcraft III actually // tests the MPQ header size. It must be at least 0x20 bytes in order to load it // Abused by Spazzler Map protector. Note that the size check is not present // in Storm.dll v 1.00, so Diablo I code would load the MPQ anyway. dwHeaderSize = BSWAP_INT32_UNSIGNED(ha->HeaderData[1]); if(dwHeaderID == ID_MPQ && dwHeaderSize >= MPQ_HEADER_SIZE_V1) { // Now convert the header to version 4 nError = ConvertMpqHeaderToFormat4(ha, SearchOffset, FileSize, dwFlags); bSearchComplete = true; break; } // Check for MPK archives (Longwu Online - MPQ fork) if(dwHeaderID == ID_MPK) { // Now convert the MPK header to MPQ Header version 4 nError = ConvertMpkHeaderToFormat4(ha, FileSize, dwFlags); bSearchComplete = true; break; } // If searching for the MPQ header is disabled, return an error if(dwFlags & MPQ_OPEN_NO_HEADER_SEARCH) { nError = ERROR_NOT_SUPPORTED; bSearchComplete = true; break; } // Move the pointers SearchOffset += 0x200; dwInBufferOffset += 0x200; } } // Did we identify one of the supported headers? if(nError == ERROR_SUCCESS) { // Set the user data position to the MPQ header, if none if(ha->pUserData == NULL) ha->UserDataPos = SearchOffset; // Set the position of the MPQ header ha->pHeader = (TMPQHeader *)ha->HeaderData; ha->MpqPos = SearchOffset; ha->FileSize = FileSize; // Sector size must be nonzero. if(SearchOffset >= FileSize || ha->pHeader->wSectorSize == 0) nError = ERROR_BAD_FORMAT; } } // Fix table positions according to format if(nError == ERROR_SUCCESS) { // Dump the header // DumpMpqHeader(ha->pHeader); // W3x Map Protectors use the fact that War3's Storm.dll ignores the MPQ user data, // and ignores the MPQ format version as well. The trick is to // fake MPQ format 2, with an improper hi-word position of hash table and block table // We can overcome such protectors by forcing opening the archive as MPQ v 1.0 if(dwFlags & MPQ_OPEN_FORCE_MPQ_V1) { ha->pHeader->wFormatVersion = MPQ_FORMAT_VERSION_1; ha->pHeader->dwHeaderSize = MPQ_HEADER_SIZE_V1; ha->dwFlags |= MPQ_FLAG_READ_ONLY; ha->pUserData = NULL; } // Both MPQ_OPEN_NO_LISTFILE or MPQ_OPEN_NO_ATTRIBUTES trigger read only mode if(dwFlags & (MPQ_OPEN_NO_LISTFILE | MPQ_OPEN_NO_ATTRIBUTES)) ha->dwFlags |= MPQ_FLAG_READ_ONLY; // Remember whether whis is a map for Warcraft III if(bIsWarcraft3Map) ha->dwFlags |= MPQ_FLAG_WAR3_MAP; // Set the size of file sector ha->dwSectorSize = (0x200 << ha->pHeader->wSectorSize); // Verify if any of the tables doesn't start beyond the end of the file nError = VerifyMpqTablePositions(ha, FileSize); } // Read the hash table. Ignore the result, as hash table is no longer required // Read HET table. Ignore the result, as HET table is no longer required if(nError == ERROR_SUCCESS) { nError = LoadAnyHashTable(ha); } // Now, build the file table. It will be built by combining // the block table, BET table, hi-block table, (attributes) and (listfile). if(nError == ERROR_SUCCESS) { nError = BuildFileTable(ha); } // Load the internal listfile and include it to the file table if(nError == ERROR_SUCCESS && (dwFlags & MPQ_OPEN_NO_LISTFILE) == 0) { // Quick check for (listfile) pFileEntry = GetFileEntryLocale(ha, LISTFILE_NAME, LANG_NEUTRAL); if(pFileEntry != NULL) { // Ignore result of the operation. (listfile) is optional. SFileAddListFile((HANDLE)ha, NULL); ha->dwFileFlags1 = pFileEntry->dwFlags; } } // Load the "(attributes)" file and merge it to the file table if(nError == ERROR_SUCCESS && (dwFlags & MPQ_OPEN_NO_ATTRIBUTES) == 0 && (ha->dwFlags & MPQ_FLAG_BLOCK_TABLE_CUT) == 0) { // Quick check for (attributes) pFileEntry = GetFileEntryLocale(ha, ATTRIBUTES_NAME, LANG_NEUTRAL); if(pFileEntry != NULL) { // Ignore result of the operation. (attributes) is optional. SAttrLoadAttributes(ha); ha->dwFileFlags2 = pFileEntry->dwFlags; } } // Remember whether the archive has weak signature. Only for MPQs format 1.0. if(nError == ERROR_SUCCESS) { // Quick check for (signature) pFileEntry = GetFileEntryLocale(ha, SIGNATURE_NAME, LANG_NEUTRAL); if(pFileEntry != NULL) { // Just remember that the archive is weak-signed assert((pFileEntry->dwFlags & MPQ_FILE_EXISTS) != 0); ha->dwFileFlags3 = pFileEntry->dwFlags; } // Finally, set the MPQ_FLAG_READ_ONLY if the MPQ was found malformed ha->dwFlags |= (ha->dwFlags & MPQ_FLAG_MALFORMED) ? MPQ_FLAG_READ_ONLY : 0; } // Cleanup and exit if(nError != ERROR_SUCCESS) { FileStream_Close(pStream); FreeArchiveHandle(ha); SetLastError(nError); ha = NULL; } // Free the header buffer if(pbHeaderBuffer != NULL) STORM_FREE(pbHeaderBuffer); if(phMpq != NULL) *phMpq = ha; return (nError == ERROR_SUCCESS); }
bool WINAPI SFileCompactArchive(HANDLE hMpq, const char * szListFile, bool /* bReserved */) { TFileStream * pTempStream = NULL; TMPQArchive * ha = (TMPQArchive *)hMpq; ULONGLONG ByteOffset; ULONGLONG ByteCount; LPDWORD pFileKeys = NULL; TCHAR szTempFile[MAX_PATH] = _T(""); TCHAR * szTemp = NULL; int nError = ERROR_SUCCESS; // Test the valid parameters if(!IsValidMpqHandle(hMpq)) nError = ERROR_INVALID_HANDLE; if(ha->dwFlags & MPQ_FLAG_READ_ONLY) nError = ERROR_ACCESS_DENIED; // If the MPQ is changed at this moment, we have to flush the archive if(nError == ERROR_SUCCESS && (ha->dwFlags & MPQ_FLAG_CHANGED)) { SFileFlushArchive(hMpq); } // Create the table with file keys if(nError == ERROR_SUCCESS) { if((pFileKeys = STORM_ALLOC(DWORD, ha->dwFileTableSize)) != NULL) memset(pFileKeys, 0, sizeof(DWORD) * ha->dwFileTableSize); else nError = ERROR_NOT_ENOUGH_MEMORY; } // First of all, we have to check of we are able to decrypt all files. // If not, sorry, but the archive cannot be compacted. if(nError == ERROR_SUCCESS) { // Initialize the progress variables for compact callback FileStream_GetSize(ha->pStream, &(ha->CompactTotalBytes)); ha->CompactBytesProcessed = 0; nError = CheckIfAllFilesKnown(ha, szListFile, pFileKeys); } // Get the temporary file name and create it if(nError == ERROR_SUCCESS) { _tcscpy(szTempFile, FileStream_GetFileName(ha->pStream)); if((szTemp = _tcsrchr(szTempFile, '.')) != NULL) _tcscpy(szTemp + 1, _T("mp_")); else _tcscat(szTempFile, _T("_")); pTempStream = FileStream_CreateFile(szTempFile, STREAM_PROVIDER_FLAT | BASE_PROVIDER_FILE); if(pTempStream == NULL) nError = GetLastError(); } // Write the data before MPQ user data (if any) if(nError == ERROR_SUCCESS && ha->UserDataPos != 0) { // Inform the application about the progress if(ha->pfnCompactCB != NULL) ha->pfnCompactCB(ha->pvCompactUserData, CCB_COPYING_NON_MPQ_DATA, ha->CompactBytesProcessed, ha->CompactTotalBytes); ByteOffset = 0; ByteCount = ha->UserDataPos; nError = CopyNonMpqData(ha, ha->pStream, pTempStream, ByteOffset, ByteCount); } // Write the MPQ user data (if any) if(nError == ERROR_SUCCESS && ha->MpqPos > ha->UserDataPos) { // At this point, we assume that the user data size is equal // to pUserData->dwHeaderOffs. // If this assumption doesn't work, then we have an unknown version of MPQ ByteOffset = ha->UserDataPos; ByteCount = ha->MpqPos - ha->UserDataPos; assert(ha->pUserData != NULL); assert(ha->pUserData->dwHeaderOffs == ByteCount); nError = CopyNonMpqData(ha, ha->pStream, pTempStream, ByteOffset, ByteCount); } // Write the MPQ header if(nError == ERROR_SUCCESS) { TMPQHeader SaveMpqHeader; // Write the MPQ header to the file memcpy(&SaveMpqHeader, ha->pHeader, ha->pHeader->dwHeaderSize); BSWAP_TMPQHEADER(&SaveMpqHeader, MPQ_FORMAT_VERSION_1); BSWAP_TMPQHEADER(&SaveMpqHeader, MPQ_FORMAT_VERSION_2); BSWAP_TMPQHEADER(&SaveMpqHeader, MPQ_FORMAT_VERSION_3); BSWAP_TMPQHEADER(&SaveMpqHeader, MPQ_FORMAT_VERSION_4); if(!FileStream_Write(pTempStream, NULL, &SaveMpqHeader, ha->pHeader->dwHeaderSize)) nError = GetLastError(); // Update the progress ha->CompactBytesProcessed += ha->pHeader->dwHeaderSize; } // Now copy all files if(nError == ERROR_SUCCESS) nError = CopyMpqFiles(ha, pFileKeys, pTempStream); // Defragment the file table if(nError == ERROR_SUCCESS) nError = RebuildFileTable(ha, ha->pHeader->dwHashTableSize, ha->dwMaxFileCount); // We also need to rebuild the HET table, if any if(nError == ERROR_SUCCESS) { // Invalidate (listfile) and (attributes) InvalidateInternalFiles(ha); // Rebuild the HET table, if we have any if(ha->pHetTable != NULL) nError = RebuildHetTable(ha); } // If succeeded, switch the streams if(nError == ERROR_SUCCESS) { if(FileStream_Replace(ha->pStream, pTempStream)) pTempStream = NULL; else nError = ERROR_CAN_NOT_COMPLETE; } // If all succeeded, save the MPQ tables if(nError == ERROR_SUCCESS) { // // Note: We don't recalculate position of the MPQ tables at this point. // SaveMPQTables does it automatically. // nError = SaveMPQTables(ha); if(nError == ERROR_SUCCESS && ha->pfnCompactCB != NULL) { ha->CompactBytesProcessed += (ha->pHeader->dwHashTableSize * sizeof(TMPQHash)); ha->CompactBytesProcessed += (ha->pHeader->dwBlockTableSize * sizeof(TMPQBlock)); ha->pfnCompactCB(ha->pvCompactUserData, CCB_CLOSING_ARCHIVE, ha->CompactBytesProcessed, ha->CompactTotalBytes); } } // Cleanup and return if(pTempStream != NULL) FileStream_Close(pTempStream); if(pFileKeys != NULL) STORM_FREE(pFileKeys); if(nError != ERROR_SUCCESS) SetLastError(nError); return (nError == ERROR_SUCCESS); }
static void CloseStream_ExternalFile(void * pvCacheContext) { TFileStream * pStream = (TFileStream *)pvCacheContext; return FileStream_Close(pStream); }
int EXPORT_SYMBOL SFileCompactArchive(void * hMpq, const char * szListFile, int bReserved) { TFileStream * pTempStream = NULL; TMPQArchive * ha = (TMPQArchive *)hMpq; uint64_t ByteOffset; uint64_t ByteCount; uint32_t * pFileKeys = NULL; char szTempFile[1024] = ""; char * szTemp = NULL; int nError = ERROR_SUCCESS; /* Test the valid parameters */ if(!IsValidMpqHandle(hMpq)) nError = ERROR_INVALID_HANDLE; if(ha->dwFlags & MPQ_FLAG_READ_ONLY) nError = ERROR_ACCESS_DENIED; /* If the MPQ is changed at this moment, we have to flush the archive */ if(nError == ERROR_SUCCESS && (ha->dwFlags & MPQ_FLAG_CHANGED)) { SFileFlushArchive(hMpq); } /* Create the table with file keys */ if(nError == ERROR_SUCCESS) { if((pFileKeys = STORM_ALLOC(uint32_t, ha->dwFileTableSize)) != NULL) memset(pFileKeys, 0, sizeof(uint32_t) * ha->dwFileTableSize); else nError = ERROR_NOT_ENOUGH_MEMORY; } /* First of all, we have to check of we are able to decrypt all files. */ /* If not, sorry, but the archive cannot be compacted. */ if(nError == ERROR_SUCCESS) { /* Initialize the progress variables for compact callback */ FileStream_GetSize(ha->pStream, &(ha->CompactTotalBytes)); ha->CompactBytesProcessed = 0; nError = CheckIfAllKeysKnown(ha, szListFile, pFileKeys); } /* Get the temporary file name and create it */ if(nError == ERROR_SUCCESS) { strcpy(szTempFile, FileStream_GetFileName(ha->pStream)); if((szTemp = strrchr(szTempFile, '.')) != NULL) strcpy(szTemp + 1, "mp_"); else strcat(szTempFile, "_"); pTempStream = FileStream_CreateFile(szTempFile, STREAM_PROVIDER_FLAT | BASE_PROVIDER_FILE); if(pTempStream == NULL) nError = GetLastError(); } /* Write the data before MPQ user data (if any) */ if(nError == ERROR_SUCCESS && ha->UserDataPos != 0) { /* Inform the application about the progress */ if(ha->pfnCompactCB != NULL) ha->pfnCompactCB(ha->pvCompactUserData, CCB_COPYING_NON_MPQ_DATA, ha->CompactBytesProcessed, ha->CompactTotalBytes); ByteOffset = 0; ByteCount = ha->UserDataPos; nError = CopyNonMpqData(ha, ha->pStream, pTempStream, &ByteOffset, ByteCount); } /* Write the MPQ user data (if any) */ if(nError == ERROR_SUCCESS && ha->MpqPos > ha->UserDataPos) { /* At this point, we assume that the user data size is equal */ /* to pUserData->dwHeaderOffs. */ /* If this assumption doesn't work, then we have an unknown version of MPQ */ ByteOffset = ha->UserDataPos; ByteCount = ha->MpqPos - ha->UserDataPos; assert(ha->pUserData != NULL); assert(ha->pUserData->dwHeaderOffs == ByteCount); nError = CopyNonMpqData(ha, ha->pStream, pTempStream, &ByteOffset, ByteCount); } /* Write the MPQ header */ if(nError == ERROR_SUCCESS) { TMPQHeader SaveMpqHeader; /* Write the MPQ header to the file */ memcpy(&SaveMpqHeader, ha->pHeader, ha->pHeader->dwHeaderSize); BSWAP_TMPQHEADER(&SaveMpqHeader, MPQ_FORMAT_VERSION_1); BSWAP_TMPQHEADER(&SaveMpqHeader, MPQ_FORMAT_VERSION_2); BSWAP_TMPQHEADER(&SaveMpqHeader, MPQ_FORMAT_VERSION_3); BSWAP_TMPQHEADER(&SaveMpqHeader, MPQ_FORMAT_VERSION_4); if(!FileStream_Write(pTempStream, NULL, &SaveMpqHeader, ha->pHeader->dwHeaderSize)) nError = GetLastError(); /* Update the progress */ ha->CompactBytesProcessed += ha->pHeader->dwHeaderSize; } /* Now copy all files */ if(nError == ERROR_SUCCESS) nError = CopyMpqFiles(ha, pFileKeys, pTempStream); /* If succeeded, switch the streams */ if(nError == ERROR_SUCCESS) { ha->dwFlags |= MPQ_FLAG_CHANGED; if(FileStream_Replace(ha->pStream, pTempStream)) pTempStream = NULL; else nError = ERROR_CAN_NOT_COMPLETE; } /* Final user notification */ if(nError == ERROR_SUCCESS && ha->pfnCompactCB != NULL) { ha->CompactBytesProcessed += (ha->pHeader->dwHashTableSize * sizeof(TMPQHash)); ha->CompactBytesProcessed += (ha->dwFileTableSize * sizeof(TMPQBlock)); ha->pfnCompactCB(ha->pvCompactUserData, CCB_CLOSING_ARCHIVE, ha->CompactBytesProcessed, ha->CompactTotalBytes); } /* Cleanup and return */ if(pTempStream != NULL) FileStream_Close(pTempStream); if(pFileKeys != NULL) STORM_FREE(pFileKeys); if(nError != ERROR_SUCCESS) SetLastError(nError); return (nError == ERROR_SUCCESS); }