SFmpqapi.cpp

   1 /* License information for this code is in license.txt */
   2
   3 #define WIN32_LEAN_AND_MEAN
   4
   5 // Includes
   6 #include <windows.h>
   7 #include <malloc.h>
   8 #include <stdio.h>
   9 #include <stdlib.h>
  10 #include <ctype.h>
  11 #ifdef _USRDLL
  12 #include <shellapi.h>
  13 #endif
  14
  15 #include "SComp.h"
  16
  17 #include "SFmpqapi.h"
  18
  19 struct SFMPQAPIMODULE {
  20         SFMPQAPIMODULE();
  21         ~SFMPQAPIMODULE();
  22 } SFMpqApi;
  23
  24 #ifndef _WIN32
  25 #define SFMPQ_STATIC
  26 #endif
  27
  28 #if defined(SFMPQ_STATIC) || !defined(SFMPQAPI_EXPORTS)
  29 #define DllMain SFMpqMain
  30
  31 struct SFMPQLIBMODULE {
  32         SFMPQLIBMODULE();
  33         ~SFMPQLIBMODULE();
  34 } SFMpqLib;
  35
  36 BOOL APIENTRY DllMain(HINSTANCE hInstDLL, DWORD  ul_reason_for_call, LPVOID lpReserved);
  37
  38 SFMPQLIBMODULE::SFMPQLIBMODULE()
  39 {
  40         SFMpqMain(0,DLL_PROCESS_ATTACH,0);
  41 }
  42
  43 SFMPQLIBMODULE::~SFMPQLIBMODULE()
  44 {
  45         SFMpqDestroy();
  46         SFMpqMain(0,DLL_PROCESS_DETACH,0);
  47 }
  48
  49 #endif
  50
  51 LCID LocaleID = 0;
  52 BOOL SFMpqInit = FALSE;
  53 HINSTANCE hStorm = 0;
  54 #ifdef _USRDLL
  55 HINSTANCE hSFMpqInstance = 0;
  56 #endif
  57
  58 #define SFMPQ_CURRENT_VERSION {1,0,8,1}
  59
  60 SFMPQVERSION SFMpqVersion = SFMPQ_CURRENT_VERSION;
  61 LPCSTR SFMpqVersionString = "ShadowFlare MPQ API Library v1.08";
  62 float MpqVersion = 2.00;
  63
  64 // Class to simulate _alloca for cross-compiler compatibility
  65 class TempAlloc {
  66 public:
  67         TempAlloc();
  68         ~TempAlloc();
  69         TempAlloc(unsigned long int AllocSize);
  70         void * Alloc(unsigned long int AllocSize);
  71         void *lpAllocAddress;
  72 };
  73
  74 LPCSTR ID_MPQ = "MPQ\x1A";
  75 LPCSTR ID_BN3 = "BN3\x1A";
  76 LPCSTR ID_RIFF = "RIFF";
  77 LPCSTR ID_WAVE = "WAVEfmt ";
  78 LPCSTR INTERNAL_LISTFILE = "(listfile)";
  79 LPCSTR INTERNAL_FILES = "(attributes)\n(listfile)\n(signature)";
  80 LPCSTR Storm_dll = "Storm.dll";
  81 LPCSTR UNKNOWN_OUT = "~unknowns\\unknown_%08x";
  82 LPCSTR UNKNOWN_IN = "~unknowns\\unknown_%x";
  83 LPCSTR UNKNOWN_CMP = "~unknowns\\unknown_";
  84 #define UNKNOWN_LEN 18
  85
  86 LCID availLocales[7] = {0x0000,0x0407,0x0409,0x040A,0x040C,0x0410,0x0416};
  87 #define nLocales 7
  88
  89 #define MAX_MPQ_PATH 260;
  90
  91 #define HASH_POSITION 0
  92 #define HASH_NAME_A 1
  93 #define HASH_NAME_B 2
  94 #define HASH_KEY 3
  95
  96 BOOL bCryptTableInit = FALSE;
  97 DWORD dwCryptTable[0x500];
  98 DWORD dwHashTableKey;
  99 DWORD dwBlockTableKey;
 100 MPQARCHIVE **lpOpenMpq = 0;
 101 DWORD dwOpenMpqCount = 0;
 102 MPQARCHIVE * FirstLastMpq[2] = {0,0};
 103 MPQFILE **lpOpenFile = 0;
 104 DWORD dwOpenFileCount = 0;
 105 MPQFILE * FirstLastFile[2] = {0,0};
 106
 107 char StormBasePath[MAX_PATH+1];
 108
 109 #define UNSUPPORTED_COMPRESSION   (0xFF ^ (0x40 | 0x80 | 0x01 | 0x02 | 0x08))
 110 #define UNSUPPORTED_DECOMPRESSION (0xFF ^ (0x40 | 0x80 | 0x01 | 0x02 | 0x08))
 111
 112 typedef BOOL (WINAPI* funcSCompCompress)(LPVOID lpvDestinationMem, LPDWORD lpdwCompressedSize, LPVOID lpvSourceMem, DWORD dwDecompressedSize, DWORD dwCompressionType, DWORD dwCompressionSubType, DWORD dwWAVQuality);
 113 typedef BOOL (WINAPI* funcSCompDecompress)(LPVOID lpvDestinationMem, LPDWORD lpdwDecompressedSize, LPVOID lpvSourceMem, DWORD dwCompressedSize);
 114 funcSCompCompress stormSCompCompress = 0;
 115 funcSCompDecompress stormSCompDecompress = 0;
 116
 117 void LoadStorm();
 118 void FreeStorm();
 119
 120 LPVOID WINAPI SFAlloc(DWORD dwSize);
 121 void WINAPI SFFree(LPVOID lpvMemory);
 122 void WINAPI SFMemZero(LPVOID lpvDestination, DWORD dwLength);
 123 BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags, MPQHANDLE *hMPQ, DWORD dwFlags2, DWORD dwMaximumFilesInArchive, DWORD dwBlockSize);
 124 DWORD WINAPI FindMpqHeaderAtLocation(HANDLE hFile, DWORD dwStart, DWORD dwLength);
 125 DWORD GetFullPath(LPCSTR lpFileName, char *lpBuffer, DWORD dwBufferLength);
 126 MPQHANDLE GetHashTableEntry(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID FileLocale);
 127 MPQHANDLE GetHashTableEntryOfHash(MPQHANDLE hMPQ, DWORD dwTablePos, DWORD dwNameHashA, DWORD dwNameHashB, LCID FileLocale);
 128 MPQHANDLE GetFreeHashTableEntry(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID FileLocale, BOOL ReturnExisting);
 129 BOOL SearchOpenArchives(LPCSTR lpFileName, MPQHANDLE *hMPQ, MPQHANDLE *hFile);
 130 void SortOpenArchivesByPriority();
 131 DWORD GetHandleType(MPQHANDLE hFile);
 132 BOOL AddToInternalListing(MPQHANDLE hMPQ, LPCSTR lpFileName);
 133 BOOL RemoveFromInternalListing(MPQHANDLE hMPQ, LPCSTR lpFileName);
 134 size_t strlnlen(const char *strline);
 135 char *nextline(const char *strline);
 136 BOOL InitCryptTable();
 137 DWORD HashString(LPCSTR lpszString, DWORD dwHashType);
 138 BOOL EncryptData(LPBYTE lpbyBuffer, DWORD dwLength, DWORD dwKey);
 139 BOOL DecryptData(LPBYTE lpbyBuffer, DWORD dwLength, DWORD dwKey);
 140 static DWORD DetectFileSeed(DWORD * block, DWORD decrypted, DWORD blocksize);
 141 DWORD DetectFileSeedEx(MPQARCHIVE * mpqOpenArc, HASHTABLEENTRY * lpHashEntry, LPCSTR * lplpFileName);
 142
 143 BOOL APIENTRY DllMain( HINSTANCE hInstDLL,
 144                        DWORD  ul_reason_for_call,
 145                        LPVOID lpReserved
 146                                          )
 147 {
 148 #ifdef _WIN32
 149         char *lpExeName,*buffer;DWORD slen;
 150 #endif
 151         DWORD dwLastCount;
 152
 153 #ifdef _USRDLL
 154         hSFMpqInstance = hInstDLL;
 155 #endif
 156
 157     switch (ul_reason_for_call)
 158         {
 159                 case DLL_PROCESS_ATTACH:
 160                         InitCryptTable();
 161                         dwHashTableKey = HashString("(hash table)",HASH_KEY);
 162                         dwBlockTableKey = HashString("(block table)",HASH_KEY);
 163 #ifdef _WIN32
 164                         lpExeName = (char *)SFAlloc(MAX_PATH+1);
 165                         if (lpExeName) {
 166                                 slen = GetModuleFileName(0,lpExeName,MAX_PATH);
 167                                 lpExeName[slen] = 0;
 168                                 buffer = lpExeName+strlen(lpExeName);
 169                                 while (*buffer!='\\') {*buffer = 0;buffer--;}
 170                                 SFileSetBasePath(lpExeName);
 171                                 SFFree(lpExeName);
 172                         }
 173 #else
 174                         SFileSetBasePath("./");
 175 #endif
 176                         break;
 177                 case DLL_THREAD_ATTACH:
 178                         break;
 179                 case DLL_THREAD_DETACH:
 180                         break;
 181                 case DLL_PROCESS_DETACH:
 182                         if (lpOpenFile) {
 183                                 while (dwOpenFileCount>0) {
 184                                         dwLastCount = dwOpenFileCount;
 185                                         SFileCloseFile((MPQHANDLE)lpOpenFile[dwOpenFileCount-1]);
 186                                         if (dwLastCount==dwOpenFileCount) dwOpenFileCount--;
 187                                 }
 188
 189                                 SFFree(lpOpenFile);
 190                         }
 191
 192                         if (lpOpenMpq) {
 193                                 while (dwOpenMpqCount>0) {
 194                                         dwLastCount = dwOpenMpqCount;
 195                                         SFileCloseArchive((MPQHANDLE)lpOpenMpq[dwOpenMpqCount-1]);
 196                                         if (dwLastCount==dwOpenMpqCount) dwOpenMpqCount--;
 197                                 }
 198
 199                                 SFFree(lpOpenMpq);
 200                         }
 201                         break;
 202     }
 203
 204     return TRUE;
 205 }
 206
 207 LPVOID WINAPI SFAlloc(DWORD dwSize)
 208 {
 209         LPVOID lpMemory = malloc(dwSize);
 210         if (lpMemory) SFMemZero(lpMemory,dwSize);
 211         return lpMemory;
 212 }
 213
 214 void WINAPI SFFree(LPVOID lpvMemory)
 215 {
 216         if (lpvMemory) free(lpvMemory);
 217 }
 218
 219 void WINAPI SFMemZero(LPVOID lpvDestination, DWORD dwLength)
 220 {
 221         DWORD dwPrevLen = dwLength;
 222         LPDWORD lpdwDestination = (LPDWORD)lpvDestination;
 223         LPBYTE lpbyDestination;
 224
 225         dwLength >>= 2;
 226
 227         while (dwLength--)
 228                 *lpdwDestination++ = 0;
 229
 230         lpbyDestination = (LPBYTE)lpdwDestination;
 231
 232         dwLength = dwPrevLen;
 233         dwLength &= 3;
 234
 235         while (dwLength--)
 236                 *lpbyDestination++ = 0;
 237 }
 238
 239 TempAlloc::TempAlloc()
 240 {
 241         lpAllocAddress = 0;
 242 }
 243
 244 TempAlloc::TempAlloc(unsigned long int AllocSize)
 245 {
 246         lpAllocAddress = SFAlloc(AllocSize);
 247 }
 248
 249 TempAlloc::~TempAlloc()
 250 {
 251         if (lpAllocAddress) {
 252                 SFFree(lpAllocAddress);
 253                 lpAllocAddress = 0;
 254         }
 255 }
 256
 257 void * TempAlloc::Alloc(unsigned long int AllocSize)
 258 {
 259         lpAllocAddress = SFAlloc(AllocSize);
 260         return lpAllocAddress;
 261 }
 262
 263 SFMPQAPIMODULE::SFMPQAPIMODULE()
 264 {
 265         //LoadStorm();
 266 }
 267
 268 SFMPQAPIMODULE::~SFMPQAPIMODULE()
 269 {
 270         FreeStorm();
 271 }
 272
 273 BOOL SFMPQAPI WINAPI SFileDestroy() {
 274         return TRUE;
 275 }
 276
 277 void SFMPQAPI WINAPI StormDestroy() {
 278 }
 279
 280 void SFMPQAPI WINAPI SFMpqDestroy() {
 281         //FreeStorm();
 282 }
 283
 284 BOOL SFMPQAPI WINAPI MpqInitialize()
 285 {
 286         return (SFMpqInit=TRUE);
 287 }
 288
 289 LPCSTR SFMPQAPI WINAPI MpqGetVersionString()
 290 {
 291         return SFMpqVersionString;
 292 }
 293
 294 float SFMPQAPI WINAPI MpqGetVersion()
 295 {
 296         return MpqVersion;
 297 }
 298
 299 LPCSTR SFMPQAPI WINAPI SFMpqGetVersionString()
 300 {
 301         return SFMpqVersionString;
 302 }
 303
 304 DWORD  SFMPQAPI WINAPI SFMpqGetVersionString2(LPCSTR lpBuffer, DWORD dwBufferLength)
 305 {
 306         if (!lpBuffer) {
 307                 SetLastError(ERROR_INVALID_PARAMETER);
 308                 return strlen(SFMpqVersionString)+1;
 309         }
 310
 311         DWORD slen = strlen(SFMpqVersionString)+1;
 312
 313         if (dwBufferLength>=slen) memcpy((void *)lpBuffer,SFMpqVersionString,slen);
 314         else memcpy((void *)lpBuffer,SFMpqVersionString,dwBufferLength);
 315
 316         return slen;
 317 }
 318
 319 SFMPQVERSION SFMPQAPI WINAPI SFMpqGetVersion()
 320 {
 321         return SFMpqVersion;
 322 }
 323
 324 void SFMPQAPI WINAPI AboutSFMpq()
 325 {
 326 #ifdef _USRDLL
 327         if (hSFMpqInstance) {
 328                 char szAboutPage[MAX_PATH+13];
 329                 strcpy(szAboutPage,"res://");
 330                 GetModuleFileName(hSFMpqInstance,szAboutPage+6,MAX_PATH);
 331                 strcat(szAboutPage,"/about");
 332                 ShellExecute(0,0,szAboutPage,0,0,SW_SHOWNORMAL);
 333         }
 334 #endif
 335 }
 336
 337 BOOL WINAPI MpqOpenArchiveEx(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags, MPQHANDLE *hMPQ, DWORD dwFlags2, DWORD dwMaximumFilesInArchive, DWORD dwBlockSize)
 338 {
 339         DWORD flen,tsz;
 340
 341         if (!lpFileName || !hMPQ) {
 342                 SetLastError(ERROR_INVALID_PARAMETER);
 343                 if (hMPQ) *hMPQ = 0;
 344                 return FALSE;
 345         }
 346         if (!*lpFileName) {
 347                 SetLastError(ERROR_INVALID_PARAMETER);
 348                 *hMPQ = 0;
 349                 return FALSE;
 350         }
 351
 352         DWORD dwFlags1 = 0;
 353
 354 #ifdef _WIN32
 355         char RootPath[4];
 356         memset(RootPath,0,4);
 357         if (memcmp(lpFileName+1,":\\",2)==0) memcpy(RootPath,lpFileName,3);
 358         else {
 359                 char CurDir[MAX_PATH];
 360                 GetCurrentDirectory(MAX_PATH,CurDir);
 361                 memcpy(RootPath,CurDir,3);
 362         }
 363         if (GetDriveType(RootPath)==DRIVE_CDROM)
 364                 dwFlags1 |= 2;
 365         else if (dwFlags&2)
 366                 dwFlags1 |= 1;
 367         if (dwFlags & SFILE_OPEN_CD_ROM_FILE)
 368                 if (!(dwFlags1&2)) {*hMPQ = 0;return FALSE;}
 369 #endif
 370
 371         DWORD dwCreateFlags,dwAccessFlags,dwShareFlags;
 372         if (dwFlags2 & MOAU_OPEN_ALWAYS) dwCreateFlags = OPEN_ALWAYS;
 373         else if (dwFlags2 & MOAU_CREATE_ALWAYS) dwCreateFlags = CREATE_ALWAYS;
 374         else if (dwFlags2 & MOAU_OPEN_EXISTING) dwCreateFlags = OPEN_EXISTING;
 375         else dwCreateFlags = CREATE_NEW;
 376         if (dwFlags2 & MOAU_READ_ONLY) {
 377                 if (!(dwFlags2 & MOAU_OPEN_EXISTING)) {
 378                         SetLastError(MPQ_ERROR_BAD_OPEN_MODE);
 379                         *hMPQ = 0;
 380                         return FALSE;
 381                 }
 382                 dwAccessFlags = GENERIC_READ;
 383                 if (dwFlags2 & SFILE_OPEN_ALLOW_WRITE) dwFlags2 = dwFlags2^SFILE_OPEN_ALLOW_WRITE;
 384         }
 385         else {
 386                 dwAccessFlags = GENERIC_READ|GENERIC_WRITE;
 387                 dwFlags2 = dwFlags2|SFILE_OPEN_ALLOW_WRITE;
 388         }
 389         if (dwAccessFlags & GENERIC_WRITE)
 390                 dwShareFlags = 0;
 391         else
 392                 dwShareFlags = FILE_SHARE_READ;
 393         HANDLE hFile;
 394         hFile = CreateFile(lpFileName,dwAccessFlags,dwShareFlags,0,dwCreateFlags,0,0);
 395         TempAlloc NewAlloc;
 396         if (hFile==INVALID_HANDLE_VALUE) {
 397                 DWORD namelen = GetFullPath(lpFileName,0,0);
 398                 char *namebuffer = (char *)NewAlloc.Alloc(namelen);
 399                 GetFullPath(lpFileName,namebuffer,namelen);
 400                 lpFileName = namebuffer;
 401                 hFile = CreateFile(lpFileName,dwAccessFlags,dwShareFlags,0,dwCreateFlags,0,0);
 402         }
 403         if (hFile!=INVALID_HANDLE_VALUE)
 404         {
 405                 MPQARCHIVE **lpnOpenMpq = (MPQARCHIVE **)SFAlloc(sizeof(MPQARCHIVE *) * (dwOpenMpqCount+1));
 406                 if (lpnOpenMpq==0) {
 407                         CloseHandle(hFile);
 408                         *hMPQ = 0;
 409                         return FALSE;
 410                 }
 411                 DWORD dwMpqStart;
 412                 MPQARCHIVE *mpqOpenArc;
 413                 if (GetFileSize(hFile,0)==0 && !(dwFlags2 & MOAU_READ_ONLY))
 414                 {
 415                         dwMpqStart = 0;
 416                         mpqOpenArc = (MPQARCHIVE *)SFAlloc(sizeof(MPQARCHIVE));
 417                         if (!mpqOpenArc) {
 418                                 SFFree(lpnOpenMpq);
 419                                 CloseHandle(hFile);
 420                                 *hMPQ = 0;
 421                                 return FALSE;
 422                         }
 423                         memcpy(&mpqOpenArc->MpqHeader.dwMPQID,ID_MPQ,4);
 424                         mpqOpenArc->MpqHeader.dwHeaderSize = sizeof(MPQHEADER);
 425                         mpqOpenArc->MpqHeader.wUnused0C = 0;
 426                         if (dwBlockSize & 0xFFFF0000)
 427                                 mpqOpenArc->MpqHeader.wBlockSize = DEFAULT_BLOCK_SIZE;
 428                         else
 429                                 mpqOpenArc->MpqHeader.wBlockSize = (WORD)dwBlockSize;
 430                         DWORD i;
 431                         for (i=1;i<dwMaximumFilesInArchive;i*=2) {}
 432                         dwMaximumFilesInArchive = i;
 433                         mpqOpenArc->MpqHeader.dwHashTableSize = dwMaximumFilesInArchive;
 434                         mpqOpenArc->MpqHeader.dwBlockTableSize = 0;
 435                         mpqOpenArc->MpqHeader.dwHashTableOffset = mpqOpenArc->MpqHeader.dwHeaderSize;
 436                         mpqOpenArc->MpqHeader.dwBlockTableOffset = mpqOpenArc->MpqHeader.dwHeaderSize + mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY);
 437                         mpqOpenArc->MpqHeader.dwMPQSize = mpqOpenArc->MpqHeader.dwHeaderSize + mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY);
 438                         if(WriteFile(hFile,&mpqOpenArc->MpqHeader,mpqOpenArc->MpqHeader.dwHeaderSize,&tsz,0)==0) {
 439                                 SFFree(lpnOpenMpq);
 440                                 SFFree(mpqOpenArc);
 441                                 CloseHandle(hFile);
 442                                 *hMPQ = 0;
 443                                 return FALSE;
 444                         }
 445                         flen = mpqOpenArc->MpqHeader.dwMPQSize;
 446                         mpqOpenArc->lpHashTable = (HASHTABLEENTRY *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
 447                         if(!mpqOpenArc->lpHashTable) {
 448                                 SFFree(lpnOpenMpq);
 449                                 SFFree(mpqOpenArc);
 450                                 CloseHandle(hFile);
 451                                 *hMPQ = 0;
 452                                 return FALSE;
 453                         }
 454                         memset(mpqOpenArc->lpHashTable,0xFF,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
 455                         EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
 456                         if(WriteFile(hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0)==0) {
 457                                 SFFree(mpqOpenArc->lpHashTable);
 458                                 SFFree(lpnOpenMpq);
 459                                 SFFree(mpqOpenArc);
 460                                 CloseHandle(hFile);
 461                                 *hMPQ = 0;
 462                                 return FALSE;
 463                         }
 464                 }
 465                 else
 466                 {
 467                         dwMpqStart = SFileFindMpqHeader(hFile);
 468                         if (dwMpqStart==0xFFFFFFFF) {
 469                                 SFFree(lpnOpenMpq);
 470                                 CloseHandle(hFile);
 471                                 SetLastError(MPQ_ERROR_MPQ_INVALID);
 472                                 *hMPQ = 0;
 473                                 return FALSE;
 474                         }
 475                         flen = GetFileSize(hFile,0);
 476                         mpqOpenArc = (MPQARCHIVE *)SFAlloc(sizeof(MPQARCHIVE));
 477                         if (!mpqOpenArc) {
 478                                 SFFree(lpnOpenMpq);
 479                                 CloseHandle(hFile);
 480                                 *hMPQ = 0;
 481                                 return FALSE;
 482                         }
 483                         SetFilePointer(hFile,dwMpqStart,0,FILE_BEGIN);
 484                         if(ReadFile(hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0)==0) {
 485                                 SFFree(lpnOpenMpq);
 486                                 SFFree(mpqOpenArc);
 487                                 CloseHandle(hFile);
 488                                 *hMPQ = 0;
 489                                 return FALSE;
 490                         }
 491                         mpqOpenArc->lpHashTable = (HASHTABLEENTRY *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
 492                         if(!mpqOpenArc->lpHashTable) {
 493                                 SFFree(lpnOpenMpq);
 494                                 SFFree(mpqOpenArc);
 495                                 CloseHandle(hFile);
 496                                 *hMPQ = 0;
 497                                 return FALSE;
 498                         }
 499                         if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
 500                                 mpqOpenArc->lpBlockTable = (BLOCKTABLEENTRY *)SFAlloc(sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
 501                                 if(!mpqOpenArc->lpBlockTable) {
 502                                         SFFree(mpqOpenArc->lpHashTable);
 503                                         SFFree(lpnOpenMpq);
 504                                         SFFree(mpqOpenArc);
 505                                         CloseHandle(hFile);
 506                                         *hMPQ = 0;
 507                                         return FALSE;
 508                                 }
 509                         }
 510                         SetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
 511                         if(ReadFile(hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0)==0) {
 512                                 if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
 513                                 SFFree(mpqOpenArc->lpHashTable);
 514                                 SFFree(lpnOpenMpq);
 515                                 SFFree(mpqOpenArc);
 516                                 CloseHandle(hFile);
 517                                 *hMPQ = 0;
 518                                 return FALSE;
 519                         }
 520                         if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
 521                                 SetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
 522                                 if(ReadFile(hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0)==0) {
 523                                         SFFree(mpqOpenArc->lpBlockTable);
 524                                         SFFree(mpqOpenArc->lpHashTable);
 525                                         SFFree(lpnOpenMpq);
 526                                         SFFree(mpqOpenArc);
 527                                         CloseHandle(hFile);
 528                                         *hMPQ = 0;
 529                                         return FALSE;
 530                                 }
 531                         }
 532                 }
 533                 /*mpqOpenArc->lpFileName = (char *)SFAlloc(strlen(lpFileName)+1);
 534                 if(!mpqOpenArc->lpFileName) {
 535                         if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
 536                         SFFree(mpqOpenArc->lpHashTable);
 537                         SFFree(lpnOpenMpq);
 538                         SFFree(mpqOpenArc);
 539                         CloseHandle(hFile);
 540                         *hMPQ = 0;
 541                         return FALSE;
 542                 }*/
 543                 DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
 544                 if (mpqOpenArc->lpBlockTable) DecryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
 545                 mpqOpenArc->lpFileName = mpqOpenArc->szFileName;
 546                 strncpy(mpqOpenArc->lpFileName,lpFileName,259);
 547                 if (FirstLastMpq[1]) FirstLastMpq[1]->lpNextArc = mpqOpenArc;
 548                 mpqOpenArc->lpNextArc = (MPQARCHIVE *)FirstLastMpq;
 549                 mpqOpenArc->lpPrevArc = (MPQARCHIVE *)FirstLastMpq[1];
 550                 if (!FirstLastMpq[0]) {
 551                         mpqOpenArc->lpPrevArc = (MPQARCHIVE *)0xEAFC5E23;
 552                         FirstLastMpq[0] = mpqOpenArc;
 553                 }
 554                 FirstLastMpq[1] = mpqOpenArc;
 555                 mpqOpenArc->hFile = hFile;
 556                 mpqOpenArc->dwFlags1 = dwFlags1;
 557                 mpqOpenArc->dwPriority = dwPriority;
 558                 mpqOpenArc->lpLastReadFile = 0;
 559                 mpqOpenArc->dwUnk = 0;
 560                 mpqOpenArc->dwBlockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
 561                 mpqOpenArc->lpLastReadBlock = 0;
 562                 mpqOpenArc->dwBufferSize = 0;
 563                 mpqOpenArc->dwMPQStart = dwMpqStart;
 564                 mpqOpenArc->lpMPQHeader = &mpqOpenArc->MpqHeader;
 565                 mpqOpenArc->dwReadOffset = flen;
 566                 mpqOpenArc->dwRefCount = 1;
 567                 mpqOpenArc->dwFlags = dwFlags2;
 568                 mpqOpenArc->dwExtraFlags = 0;
 569                 memcpy(lpnOpenMpq,lpOpenMpq,sizeof(MPQARCHIVE *) * dwOpenMpqCount);
 570                 lpnOpenMpq[dwOpenMpqCount] = mpqOpenArc;
 571                 if (lpOpenMpq) SFFree(lpOpenMpq);
 572                 lpOpenMpq = lpnOpenMpq;
 573                 dwOpenMpqCount++;
 574                 if (dwOpenMpqCount>1) SortOpenArchivesByPriority();
 575                 *hMPQ = (MPQHANDLE)mpqOpenArc;
 576                 return TRUE;
 577         }
 578         else {
 579                 if (dwFlags2&MOAU_OPEN_EXISTING) SetLastError(ERROR_FILE_NOT_FOUND);
 580                 else if (dwFlags2&MOAU_CREATE_NEW) SetLastError(ERROR_ALREADY_EXISTS);
 581                 *hMPQ = (MPQHANDLE)INVALID_HANDLE_VALUE;
 582                 return FALSE;
 583         }
 584 }
 585
 586 BOOL SFMPQAPI WINAPI SFileOpenFileAsArchive(MPQHANDLE hSourceMPQ, LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags, MPQHANDLE *hMPQ)
 587 {
 588         DWORD flen,tsz;
 589
 590         if (!lpFileName || !hMPQ) {
 591                 SetLastError(ERROR_INVALID_PARAMETER);
 592                 if (hMPQ) *hMPQ = 0;
 593                 return FALSE;
 594         }
 595         if (!*lpFileName) {
 596                 SetLastError(ERROR_INVALID_PARAMETER);
 597                 *hMPQ = 0;
 598                 return FALSE;
 599         }
 600
 601         HANDLE hFile;
 602         if (SFileOpenFileEx(hSourceMPQ,lpFileName,1,&hFile))
 603         {
 604                 MPQFILE mpqArcFile;
 605                 mpqArcFile = *(MPQFILE *)hFile;
 606                 SFileCloseFile(hFile);
 607                 if (mpqArcFile.hFile != INVALID_HANDLE_VALUE)
 608                         return SFileOpenArchive(lpFileName,dwPriority,dwFlags,hMPQ);
 609                 hFile = mpqArcFile.lpParentArc->hFile;
 610                 MPQARCHIVE **lpnOpenMpq = (MPQARCHIVE **)SFAlloc(sizeof(MPQARCHIVE *) * (dwOpenMpqCount+1));
 611                 if (!lpnOpenMpq) {
 612                         *hMPQ = 0;
 613                         return FALSE;
 614                 }
 615                 DWORD dwMpqStart;
 616                 MPQARCHIVE *mpqOpenArc;
 617                 dwMpqStart = mpqArcFile.lpBlockEntry->dwFileOffset;
 618                 flen = mpqArcFile.lpBlockEntry->dwFullSize;
 619                 dwMpqStart = FindMpqHeaderAtLocation(hFile,dwMpqStart,flen);
 620                 if (dwMpqStart==0xFFFFFFFF) {
 621                         SFFree(lpnOpenMpq);
 622                         SetLastError(MPQ_ERROR_MPQ_INVALID);
 623                         *hMPQ = 0;
 624                         return FALSE;
 625                 }
 626                 mpqOpenArc = (MPQARCHIVE *)SFAlloc(sizeof(MPQARCHIVE));
 627                 if (!mpqOpenArc) {
 628                         SFFree(lpnOpenMpq);
 629                         *hMPQ = 0;
 630                         return FALSE;
 631                 }
 632                 SetFilePointer(hFile,dwMpqStart,0,FILE_BEGIN);
 633                 if(ReadFile(hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0)==0) {
 634                         SFFree(lpnOpenMpq);
 635                         SFFree(mpqOpenArc);
 636                         *hMPQ = 0;
 637                         return FALSE;
 638                 }
 639                 mpqOpenArc->lpHashTable = (HASHTABLEENTRY *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
 640                 if(!mpqOpenArc->lpHashTable) {
 641                         SFFree(lpnOpenMpq);
 642                         SFFree(mpqOpenArc);
 643                         *hMPQ = 0;
 644                         return FALSE;
 645                 }
 646                 if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
 647                         mpqOpenArc->lpBlockTable = (BLOCKTABLEENTRY *)SFAlloc(sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
 648                         if(!mpqOpenArc->lpBlockTable) {
 649                                 SFFree(mpqOpenArc->lpHashTable);
 650                                 SFFree(lpnOpenMpq);
 651                                 SFFree(mpqOpenArc);
 652                                 *hMPQ = 0;
 653                                 return FALSE;
 654                         }
 655                 }
 656                 SetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
 657                 if(ReadFile(hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0)==0) {
 658                         if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
 659                         SFFree(mpqOpenArc->lpHashTable);
 660                         SFFree(lpnOpenMpq);
 661                         SFFree(mpqOpenArc);
 662                         *hMPQ = 0;
 663                         return FALSE;
 664                 }
 665                 if (mpqOpenArc->MpqHeader.dwBlockTableSize!=0) {
 666                         SetFilePointer(hFile,dwMpqStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
 667                         if(ReadFile(hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0)==0) {
 668                                 SFFree(mpqOpenArc->lpBlockTable);
 669                                 SFFree(mpqOpenArc->lpHashTable);
 670                                 SFFree(lpnOpenMpq);
 671                                 SFFree(mpqOpenArc);
 672                                 *hMPQ = 0;
 673                                 return FALSE;
 674                         }
 675                 }
 676                 /*mpqOpenArc->lpFileName = (char *)SFAlloc(strlen(lpFileName)+1);
 677                 if(!mpqOpenArc->lpFileName) {
 678                         if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
 679                         SFFree(mpqOpenArc->lpHashTable);
 680                         SFFree(lpnOpenMpq);
 681                         SFFree(mpqOpenArc);
 682                         *hMPQ = 0;
 683                         return FALSE;
 684                 }*/
 685                 DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
 686                 if (mpqOpenArc->lpBlockTable) DecryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
 687                 mpqOpenArc->lpFileName = mpqOpenArc->szFileName;
 688                 strncpy(mpqOpenArc->lpFileName,lpFileName,259);
 689                 if (FirstLastMpq[1]) FirstLastMpq[1]->lpNextArc = mpqOpenArc;
 690                 mpqOpenArc->lpNextArc = (MPQARCHIVE *)FirstLastMpq;
 691                 mpqOpenArc->lpPrevArc = (MPQARCHIVE *)FirstLastMpq[1];
 692                 if (!FirstLastMpq[0]) {
 693                         mpqOpenArc->lpPrevArc = (MPQARCHIVE *)0xEAFC5E23;
 694                         FirstLastMpq[0] = mpqOpenArc;
 695                 }
 696                 FirstLastMpq[1] = mpqOpenArc;
 697                 mpqOpenArc->hFile = hFile;
 698                 mpqOpenArc->dwFlags1 = 0;
 699                 mpqOpenArc->dwPriority = dwPriority;
 700                 mpqOpenArc->lpLastReadFile = 0;
 701                 mpqOpenArc->dwUnk = 0;
 702                 mpqOpenArc->dwBlockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
 703                 mpqOpenArc->lpLastReadBlock = 0;
 704                 mpqOpenArc->dwBufferSize = 0;
 705                 mpqOpenArc->dwMPQStart = dwMpqStart;
 706                 mpqOpenArc->lpMPQHeader = &mpqOpenArc->MpqHeader;
 707                 mpqOpenArc->dwReadOffset = flen;
 708                 mpqOpenArc->dwRefCount = 1;
 709                 mpqOpenArc->dwFlags = dwFlags;
 710                 mpqOpenArc->dwExtraFlags = 1;
 711                 memcpy(lpnOpenMpq,lpOpenMpq,sizeof(MPQARCHIVE *) * dwOpenMpqCount);
 712                 lpnOpenMpq[dwOpenMpqCount] = mpqOpenArc;
 713                 if (lpOpenMpq) SFFree(lpOpenMpq);
 714                 lpOpenMpq = lpnOpenMpq;
 715                 dwOpenMpqCount++;
 716                 if (dwOpenMpqCount>1) SortOpenArchivesByPriority();
 717                 *hMPQ = (MPQHANDLE)mpqOpenArc;
 718                 return TRUE;
 719         }
 720         else {
 721                 *hMPQ = (MPQHANDLE)INVALID_HANDLE_VALUE;
 722                 return FALSE;
 723         }
 724 }
 725
 726 BOOL SFMPQAPI WINAPI SFileOpenArchive(LPCSTR lpFileName, DWORD dwPriority, DWORD dwFlags, MPQHANDLE *hMPQ)
 727 {
 728         if (dwFlags & SFILE_OPEN_ALLOW_WRITE) {
 729                 return MpqOpenArchiveEx(lpFileName,dwPriority,dwFlags ^ SFILE_OPEN_ALLOW_WRITE,hMPQ,MOAU_OPEN_EXISTING,0,USE_DEFAULT_BLOCK_SIZE);
 730         }
 731         else {
 732                 return MpqOpenArchiveEx(lpFileName,dwPriority,dwFlags,hMPQ,MOAU_OPEN_EXISTING|MOAU_READ_ONLY,0,USE_DEFAULT_BLOCK_SIZE);
 733         }
 734 }
 735
 736 BOOL SFMPQAPI WINAPI SFileCloseArchive(MPQHANDLE hMPQ)
 737 {
 738         if (hMPQ==0) {
 739                 SetLastError(ERROR_INVALID_PARAMETER);
 740                 return FALSE;
 741         }
 742
 743         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
 744         if (dwOpenMpqCount==0) return FALSE;
 745         if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_MPQ,4)!=0 && memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)!=0) return FALSE;
 746         if (!(mpqOpenArc->dwExtraFlags & 1)) CloseHandle(mpqOpenArc->hFile);
 747         //SFFree(mpqOpenArc->lpFileName);
 748         SFFree(mpqOpenArc->lpHashTable);
 749         if(mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
 750         if ((DWORD)mpqOpenArc->lpNextArc!=(DWORD)FirstLastMpq)
 751                 mpqOpenArc->lpNextArc->lpPrevArc = mpqOpenArc->lpPrevArc;
 752         if ((DWORD)mpqOpenArc->lpPrevArc!=0xEAFC5E23)
 753                 mpqOpenArc->lpPrevArc->lpNextArc = mpqOpenArc->lpNextArc;
 754         if (mpqOpenArc==FirstLastMpq[0])
 755                 FirstLastMpq[0] = mpqOpenArc->lpNextArc;
 756         if ((DWORD)FirstLastMpq[0]==(DWORD)FirstLastMpq)
 757                 FirstLastMpq[0] = 0;
 758         if (mpqOpenArc==FirstLastMpq[1])
 759                 FirstLastMpq[1] = mpqOpenArc->lpPrevArc;
 760         if ((DWORD)FirstLastMpq[1]==0xEAFC5E23)
 761                 FirstLastMpq[1] = 0;
 762         SFFree(mpqOpenArc);
 763         if (!lpOpenMpq) return TRUE;
 764         if (dwOpenMpqCount-1==0) {
 765                 SFFree(lpOpenMpq);
 766                 lpOpenMpq = 0;
 767                 dwOpenMpqCount--;
 768                 return TRUE;
 769         }
 770         else if (dwOpenMpqCount==0) return FALSE;
 771         MPQARCHIVE **lpnOpenMpq = (MPQARCHIVE **)SFAlloc(sizeof(MPQARCHIVE *) * (dwOpenMpqCount-1));
 772         if (lpnOpenMpq) {
 773                 for (DWORD i=0,j=0;i<dwOpenMpqCount;i++) {
 774                         if ((MPQHANDLE)lpOpenMpq[i]!=hMPQ) {
 775                                 memcpy(&lpnOpenMpq[j],&lpOpenMpq[i],sizeof(MPQARCHIVE *));
 776                                 j++;
 777                         }
 778                 }
 779                 SFFree(lpOpenMpq);
 780                 lpOpenMpq = lpnOpenMpq;
 781                 dwOpenMpqCount--;
 782         }
 783         else {
 784                 for (DWORD i=0,j=0;i<dwOpenMpqCount;i++) {
 785                         if ((MPQHANDLE)lpOpenMpq[i]==hMPQ) {
 786                                 lpOpenMpq[i] = (MPQARCHIVE *)0;
 787                         }
 788                         else {
 789                                 if (i!=j) memcpy(&lpOpenMpq[j],&lpOpenMpq[i],sizeof(MPQARCHIVE *));
 790                                 j++;
 791                         }
 792                 }
 793                 dwOpenMpqCount--;
 794         }
 795         return TRUE;
 796 }
 797
 798 BOOL SFMPQAPI WINAPI SFileGetArchiveName(MPQHANDLE hMPQ, LPCSTR lpBuffer, DWORD dwBufferLength)
 799 {
 800         if (hMPQ==0 || lpBuffer==0) {
 801                 SetLastError(ERROR_INVALID_PARAMETER);
 802                 return FALSE;
 803         }
 804
 805         DWORD dwhType = GetHandleType(hMPQ);
 806         char *lpFileName;
 807         if (dwhType==SFILE_TYPE_MPQ) lpFileName = ((MPQARCHIVE *)hMPQ)->lpFileName;
 808         else if (dwhType==SFILE_TYPE_FILE) lpFileName = ((MPQFILE *)hMPQ)->lpFileName;
 809         else return FALSE;
 810         DWORD slen = strlen(lpFileName)+1;
 811         if (dwBufferLength>=slen) memcpy((void *)lpBuffer,lpFileName,slen);
 812         else memcpy((void *)lpBuffer,lpFileName,dwBufferLength);
 813         return TRUE;
 814 }
 815
 816 BOOL SFMPQAPI WINAPI SFileOpenFile(LPCSTR lpFileName, MPQHANDLE *hFile)
 817 {
 818         return SFileOpenFileEx(0,lpFileName,SFILE_SEARCH_CURRENT_ONLY,hFile);
 819 }
 820
 821 BOOL WINAPI IsHexDigit(char nChar)
 822 {
 823         switch (nChar) {
 824                 case '0':
 825                 case '1':
 826                 case '2':
 827                 case '3':
 828                 case '4':
 829                 case '5':
 830                 case '6':
 831                 case '7':
 832                 case '8':
 833                 case '9':
 834                 case 'A':
 835                 case 'a':
 836                 case 'B':
 837                 case 'b':
 838                 case 'C':
 839                 case 'c':
 840                 case 'D':
 841                 case 'd':
 842                 case 'E':
 843                 case 'e':
 844                 case 'F':
 845                 case 'f':
 846                         return TRUE;
 847                 default:
 848                         return FALSE;
 849         }
 850         return FALSE;
 851 }
 852
 853 BOOL SFMPQAPI WINAPI SFileOpenFileEx(MPQHANDLE hMPQ, LPCSTR lpFileName, DWORD dwSearchScope, MPQHANDLE *hFile)
 854 {
 855         if (!lpFileName || !hFile) {
 856                 SetLastError(ERROR_INVALID_PARAMETER);
 857                 return FALSE;
 858         }
 859         if (!*lpFileName) {
 860                 SetLastError(ERROR_INVALID_PARAMETER);
 861                 return FALSE;
 862         }
 863
 864         /*char szFileName[260];
 865         if (hMPQ!=0) {
 866                 if ((DWORD)lpFileName<((MPQARCHIVE *)hMPQ)->MpqHeader.dwHashTableSize) {
 867                         sprintf(szFileName,UNKNOWN_OUT,(DWORD)lpFileName);
 868                         lpFileName = szFileName;
 869                         dwSearchScope = SFILE_SEARCH_CURRENT_ONLY;
 870                 }
 871         }
 872         else {
 873                 for (DWORD i=0;i<dwOpenMpqCount;i++) {
 874                         if ((DWORD)lpFileName<lpOpenMpq[i]->MpqHeader.dwHashTableSize) {
 875                                 SetLastError(ERROR_INVALID_PARAMETER);
 876                                 return FALSE;
 877                         }
 878                 }
 879         }*/
 880
 881         MPQFILE **lpnOpenFile = (MPQFILE **)SFAlloc(sizeof(MPQFILE *) * (dwOpenFileCount+1));
 882         if (!lpnOpenFile) return FALSE;
 883
 884         MPQFILE *mpqOpenFile = (MPQFILE *)SFAlloc(sizeof(MPQFILE));
 885         if (!mpqOpenFile) {
 886                 SFFree(lpnOpenFile);
 887                 return FALSE;
 888         }
 889         BOOL bFileOnDisk=FALSE;
 890         MPQHANDLE hnMPQ,hnFile;
 891         TempAlloc NewAlloc;
 892         if (dwSearchScope==SFILE_SEARCH_CURRENT_ONLY) {
 893                 if (hMPQ) {
 894                         if (memicmp(lpFileName,UNKNOWN_CMP,UNKNOWN_LEN)==0 && IsHexDigit(lpFileName[UNKNOWN_LEN])) {
 895                                 DWORD dwHashIndex;
 896                                 sscanf(lpFileName,UNKNOWN_IN,&dwHashIndex);
 897                                 hnFile = (HANDLE)&((MPQARCHIVE *)hMPQ)->lpHashTable[dwHashIndex];
 898                                 if ((((HASHTABLEENTRY *)hnFile)->dwBlockTableIndex&0xFFFFFFFE)==0xFFFFFFFE)
 899                                 {
 900                                         SFFree(mpqOpenFile);
 901                                         SFFree(lpnOpenFile);
 902                                         SetLastError(ERROR_FILE_NOT_FOUND);
 903                                         return FALSE;
 904                                 }
 905                         }
 906                         else hnFile = GetHashTableEntry(hMPQ,lpFileName,LocaleID);
 907                         hnMPQ = hMPQ;
 908                 }
 909                 else {
 910                         SearchOpenArchives(lpFileName,&hnMPQ,&hnFile);
 911                 }
 912         }
 913         else {
 914                 SearchOpenArchives(lpFileName,&hnMPQ,&hnFile);
 915                 if (!hnFile) {
 916                         hnMPQ = 0;
 917                         DWORD namelen = GetFullPath(lpFileName,0,0);
 918                         char *namebuffer = (char *)NewAlloc.Alloc(namelen);
 919                         GetFullPath(lpFileName,namebuffer,namelen);
 920                         lpFileName = namebuffer;
 921                         hnFile = CreateFile(lpFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);
 922                         if (hnFile==INVALID_HANDLE_VALUE) hnFile=0;
 923                         else bFileOnDisk = TRUE;
 924                 }
 925         }
 926         if (hnMPQ) {
 927                 if(!((MPQARCHIVE *)hnMPQ)->lpBlockTable) {
 928                         SFFree(mpqOpenFile);
 929                         SFFree(lpnOpenFile);
 930                         SetLastError(ERROR_FILE_NOT_FOUND);
 931                         return FALSE;
 932                 }
 933         }
 934         if (!hnFile) {
 935                 SFFree(mpqOpenFile);
 936                 SFFree(lpnOpenFile);
 937                 SetLastError(ERROR_FILE_NOT_FOUND);
 938                 return FALSE;
 939         }
 940         mpqOpenFile->lpFileName = (char *)SFAlloc(strlen(lpFileName)+1);
 941         if (!mpqOpenFile->lpFileName) {
 942                 SFFree(mpqOpenFile);
 943                 SFFree(lpnOpenFile);
 944                 return FALSE;
 945         }
 946         if (hnMPQ) {
 947                 if (!(((MPQARCHIVE *)hnMPQ)->lpBlockTable[((HASHTABLEENTRY *)hnFile)->dwBlockTableIndex].dwFlags & MAFA_EXISTS)) {
 948                         SFFree(mpqOpenFile->lpFileName);
 949                         SFFree(mpqOpenFile);
 950                         SFFree(lpnOpenFile);
 951                         SetLastError(ERROR_FILE_INVALID);
 952                         return FALSE;
 953                 }
 954         }
 955         strcpy(mpqOpenFile->lpFileName,lpFileName);
 956         if (!bFileOnDisk) {
 957                 mpqOpenFile->lpParentArc = (MPQARCHIVE *)hnMPQ;
 958                 mpqOpenFile->hFile = INVALID_HANDLE_VALUE;
 959                 mpqOpenFile->lpHashEntry = (HASHTABLEENTRY *)hnFile;
 960                 mpqOpenFile->lpBlockEntry = &((MPQARCHIVE *)hnMPQ)->lpBlockTable[mpqOpenFile->lpHashEntry->dwBlockTableIndex];
 961                 mpqOpenFile->lpParentArc->dwRefCount++;
 962                 if (mpqOpenFile->lpBlockEntry->dwFlags&MAFA_ENCRYPT) {
 963                         LPSTR lpOldNameBuffer = mpqOpenFile->lpFileName;
 964                         if (memicmp(mpqOpenFile->lpFileName,UNKNOWN_CMP,UNKNOWN_LEN)==0 && IsHexDigit(mpqOpenFile->lpFileName[UNKNOWN_LEN]))
 965                                 mpqOpenFile->lpFileName = 0;
 966                         mpqOpenFile->dwCryptKey = DetectFileSeedEx(mpqOpenFile->lpParentArc,mpqOpenFile->lpHashEntry,(LPCSTR *)&mpqOpenFile->lpFileName);
 967                         if (memicmp(lpFileName,UNKNOWN_CMP,UNKNOWN_LEN)==0 && IsHexDigit(lpFileName[UNKNOWN_LEN])) {
 968                                 if (!mpqOpenFile->lpFileName)
 969                                         mpqOpenFile->lpFileName = lpOldNameBuffer;
 970                                 else
 971                                         SFFree(lpOldNameBuffer);
 972                         }
 973                         if (mpqOpenFile->dwCryptKey==0) {
 974                                 SFFree(mpqOpenFile->lpFileName);
 975                                 SFFree(mpqOpenFile);
 976                                 SFFree(lpnOpenFile);
 977                                 SetLastError(ERROR_FILE_INVALID);
 978                                 return FALSE;
 979                         }
 980                 }
 981         }
 982         else {
 983                 mpqOpenFile->hFile = hnFile;
 984         }
 985         strncpy(mpqOpenFile->szFileName,mpqOpenFile->lpFileName,259);
 986         *hFile = (MPQHANDLE)mpqOpenFile;
 987         memcpy(lpnOpenFile,lpOpenFile,sizeof(MPQFILE *) * dwOpenFileCount);
 988         lpnOpenFile[dwOpenFileCount] = mpqOpenFile;
 989         if (lpOpenFile) SFFree(lpOpenFile);
 990         lpOpenFile = lpnOpenFile;
 991         dwOpenFileCount++;
 992         return TRUE;
 993 }
 994
 995 BOOL SFMPQAPI WINAPI SFileCloseFile(MPQHANDLE hFile)
 996 {
 997         if (!hFile) {
 998                 SetLastError(ERROR_INVALID_PARAMETER);
 999                 return FALSE;
1000         }
1001
1002         MPQFILE *mpqOpenFile = (MPQFILE *)hFile;
1003
1004         if (dwOpenFileCount==0) return FALSE;
1005         SFFree(mpqOpenFile->lpFileName);
1006         if (mpqOpenFile->lpdwBlockOffsets) SFFree(mpqOpenFile->lpdwBlockOffsets);
1007         if (mpqOpenFile->hFile == INVALID_HANDLE_VALUE) mpqOpenFile->lpParentArc->dwRefCount--;
1008
1009         SFFree(mpqOpenFile);
1010         if (lpOpenFile==0) return TRUE;
1011         if (dwOpenFileCount-1==0) {
1012                 SFFree(lpOpenFile);
1013                 lpOpenFile = (MPQFILE **)0;
1014                 dwOpenFileCount--;
1015                 return TRUE;
1016         }
1017         else if (dwOpenFileCount==0) return FALSE;
1018         MPQFILE **lpnOpenFile = (MPQFILE **)SFAlloc(sizeof(MPQFILE *) * (dwOpenFileCount-1));
1019         if (lpnOpenFile) {
1020                 for (DWORD i=0,j=0;i<dwOpenFileCount;i++) {
1021                         if ((MPQHANDLE)lpOpenFile[i]!=hFile) {
1022                                 memcpy(&lpnOpenFile[j],&lpOpenFile[i],sizeof(MPQFILE *));
1023                                 j++;
1024                         }
1025                 }
1026                 SFFree(lpOpenFile);
1027                 lpOpenFile = lpnOpenFile;
1028                 dwOpenFileCount--;
1029         }
1030         else {
1031                 for (DWORD i=0,j=0;i<dwOpenFileCount;i++) {
1032                         if ((MPQHANDLE)lpOpenFile[i]==hFile) {
1033                                 lpOpenFile[i] = (MPQFILE *)0;
1034                         }
1035                         else {
1036                                 if (i!=j) memcpy(&lpOpenFile[j],&lpOpenFile[i],sizeof(MPQFILE *));
1037                                 j++;
1038                         }
1039                 }
1040                 dwOpenFileCount--;
1041         }
1042         return TRUE;
1043 }
1044
1045 DWORD SFMPQAPI WINAPI SFileGetFileSize(MPQHANDLE hFile, LPDWORD lpFileSizeHigh)
1046 {
1047         if (!hFile) {
1048                 SetLastError(ERROR_INVALID_PARAMETER);
1049                 return (DWORD)-1;
1050         }
1051
1052         MPQFILE *mpqOpenFile = (MPQFILE *)hFile;
1053         if (mpqOpenFile->hFile == INVALID_HANDLE_VALUE) {
1054                 if (lpFileSizeHigh) *lpFileSizeHigh = 0;
1055                 return mpqOpenFile->lpBlockEntry->dwFullSize;
1056         }
1057         else return GetFileSize(mpqOpenFile->hFile,lpFileSizeHigh);
1058 }
1059
1060 BOOL SFMPQAPI WINAPI SFileGetFileArchive(MPQHANDLE hFile, MPQHANDLE *hMPQ)
1061 {
1062         if (!hFile || !hMPQ) {
1063                 SetLastError(ERROR_INVALID_PARAMETER);
1064                 return FALSE;
1065         }
1066
1067         if (((MPQFILE *)hFile)->hFile == INVALID_HANDLE_VALUE) {
1068                 *hMPQ = (MPQHANDLE)((MPQFILE *)hFile)->lpParentArc;
1069                 return TRUE;
1070         }
1071         else {
1072                 SetLastError(ERROR_INVALID_PARAMETER);
1073                 return FALSE;
1074         }
1075 }
1076
1077 BOOL SFMPQAPI WINAPI SFileGetFileName(MPQHANDLE hFile, LPCSTR lpBuffer, DWORD dwBufferLength)
1078 {
1079         return SFileGetArchiveName(hFile,lpBuffer,dwBufferLength);
1080 }
1081
1082 DWORD SFMPQAPI WINAPI SFileGetFileInfo(MPQHANDLE hFile, DWORD dwInfoType)
1083 {
1084         if (!hFile) {
1085                 SetLastError(ERROR_INVALID_PARAMETER);
1086                 return (DWORD)-1;
1087         }
1088         if (dwInfoType==0) {
1089                 SetLastError(ERROR_UNKNOWN_PROPERTY);
1090                 return (DWORD)-1;
1091         }
1092
1093         DWORD dwhType = GetHandleType(hFile);
1094         if (dwhType==SFILE_TYPE_FILE)
1095         {
1096                 MPQFILE *mpqOpenFile = (MPQFILE *)hFile;
1097                 if (mpqOpenFile->hFile == INVALID_HANDLE_VALUE) {
1098                         MPQARCHIVE *mpqOpenArc = mpqOpenFile->lpParentArc;
1099                         switch (dwInfoType) {
1100                         case SFILE_INFO_BLOCK_SIZE:
1101                                 return mpqOpenArc->MpqHeader.wBlockSize;
1102                         case SFILE_INFO_HASH_TABLE_SIZE:
1103                                 return mpqOpenArc->MpqHeader.dwHashTableSize;
1104                         case SFILE_INFO_NUM_FILES:
1105                                 return mpqOpenArc->MpqHeader.dwBlockTableSize;
1106                         case SFILE_INFO_TYPE:
1107                                 return SFILE_TYPE_FILE;
1108                         case SFILE_INFO_SIZE:
1109                                 return mpqOpenFile->lpBlockEntry->dwFullSize;
1110                         case SFILE_INFO_COMPRESSED_SIZE:
1111                                 return mpqOpenFile->lpBlockEntry->dwCompressedSize;
1112                         case SFILE_INFO_FLAGS:
1113                                 return mpqOpenFile->lpBlockEntry->dwFlags;
1114                         case SFILE_INFO_PARENT:
1115                                 return (DWORD)mpqOpenFile->lpParentArc;
1116                         case SFILE_INFO_POSITION:
1117                                 return mpqOpenFile->dwFilePointer;
1118                         case SFILE_INFO_LOCALEID:
1119                                 return mpqOpenFile->lpHashEntry->lcLocale;
1120                         case SFILE_INFO_PRIORITY:
1121                                 return mpqOpenArc->dwPriority;
1122                         case SFILE_INFO_HASH_INDEX:
1123                                 return ((DWORD)mpqOpenFile->lpHashEntry-(DWORD)mpqOpenArc->lpHashTable)/sizeof(HASHTABLEENTRY);
1124                         case SFILE_INFO_BLOCK_INDEX:
1125                                 return mpqOpenFile->lpHashEntry->dwBlockTableIndex;
1126                         default:
1127                                 SetLastError(ERROR_UNKNOWN_PROPERTY);
1128                                 return (DWORD)-1;
1129                         }
1130                 }
1131                 else {
1132                         switch (dwInfoType) {
1133                         case SFILE_INFO_TYPE:
1134                                 return SFILE_TYPE_FILE;
1135                         case SFILE_INFO_SIZE:
1136                                 return GetFileSize(mpqOpenFile->hFile,0);
1137                         case SFILE_INFO_COMPRESSED_SIZE:
1138                                 return GetFileSize(mpqOpenFile->hFile,0);
1139 #ifdef _WIN32
1140                         case SFILE_INFO_FLAGS:
1141                                 return GetFileAttributes(mpqOpenFile->lpFileName);
1142 #endif
1143                         case SFILE_INFO_POSITION:
1144                                 return SetFilePointer(mpqOpenFile->hFile,0,0,FILE_CURRENT);
1145                         default:
1146                                 SetLastError(ERROR_UNKNOWN_PROPERTY);
1147                                 return (DWORD)-1;
1148
1149                         }
1150                 }
1151         }
1152         else if (dwhType==SFILE_TYPE_MPQ)
1153         {
1154                 MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hFile;
1155                 switch (dwInfoType) {
1156                 case SFILE_INFO_BLOCK_SIZE:
1157                         return mpqOpenArc->MpqHeader.wBlockSize;
1158                 case SFILE_INFO_HASH_TABLE_SIZE:
1159                         return mpqOpenArc->MpqHeader.dwHashTableSize;
1160                 case SFILE_INFO_NUM_FILES:
1161                         return mpqOpenArc->MpqHeader.dwBlockTableSize;
1162                 case SFILE_INFO_TYPE:
1163                         return SFILE_TYPE_MPQ;
1164                 case SFILE_INFO_SIZE:
1165                         return mpqOpenArc->MpqHeader.dwMPQSize;
1166                 case SFILE_INFO_PRIORITY:
1167                         return mpqOpenArc->dwPriority;
1168                 default:
1169                         SetLastError(ERROR_UNKNOWN_PROPERTY);
1170                         return (DWORD)-1;
1171                 }
1172         }
1173         SetLastError(ERROR_INVALID_PARAMETER);
1174         return (DWORD)-1;
1175 }
1176
1177 DWORD SFMPQAPI WINAPI SFileSetFilePointer(MPQHANDLE hFile, long lDistanceToMove, PLONG lplDistanceToMoveHigh, DWORD dwMoveMethod)
1178 {
1179         if (!hFile) {
1180                 SetLastError(ERROR_INVALID_PARAMETER);
1181                 return (DWORD)-1;
1182         }
1183
1184         MPQFILE *mpqOpenFile = (MPQFILE *)hFile;
1185         if (mpqOpenFile->hFile == INVALID_HANDLE_VALUE) {
1186                 long fsz = mpqOpenFile->lpBlockEntry->dwFullSize;
1187                 long cpos = mpqOpenFile->dwFilePointer;
1188                 switch (dwMoveMethod) {
1189                 case FILE_BEGIN:
1190                         if (lDistanceToMove<0 || lDistanceToMove>fsz) return (DWORD)-1;
1191                         mpqOpenFile->dwFilePointer = lDistanceToMove;
1192                         break;
1193                 case FILE_CURRENT:
1194                         if (lDistanceToMove<cpos || cpos+lDistanceToMove>fsz) return (DWORD)-1;
1195                         mpqOpenFile->dwFilePointer += lDistanceToMove;
1196                         break;
1197
1198                 case FILE_END:
1199                         if (lDistanceToMove<fsz || lDistanceToMove>0) return (DWORD)-1;
1200                         mpqOpenFile->dwFilePointer = fsz+lDistanceToMove;
1201                         break;
1202                 default:
1203                         if (lDistanceToMove<0 || lDistanceToMove>fsz) return (DWORD)-1;
1204                         mpqOpenFile->dwFilePointer = lDistanceToMove;
1205                 }
1206                 if (lplDistanceToMoveHigh!=0) *lplDistanceToMoveHigh = 0;
1207                 return mpqOpenFile->dwFilePointer;
1208         }
1209         else return SetFilePointer(mpqOpenFile->hFile,lDistanceToMove,lplDistanceToMoveHigh,dwMoveMethod);
1210
1211 }
1212
1213 BOOL SFMPQAPI WINAPI SFileReadFile(MPQHANDLE hFile,LPVOID lpBuffer,DWORD nNumberOfBytesToRead,LPDWORD lpNumberOfBytesRead,LPOVERLAPPED lpOverlapped)
1214 {
1215         if (!hFile || !lpBuffer) {
1216                 SetLastError(ERROR_INVALID_PARAMETER);
1217                 return FALSE;
1218         }
1219
1220         MPQFILE *mpqOpenFile = (MPQFILE *)hFile;
1221         if (mpqOpenFile->hFile != INVALID_HANDLE_VALUE) {
1222                 DWORD tsz=0;
1223                 BOOL RetVal = ReadFile(mpqOpenFile->hFile,lpBuffer,nNumberOfBytesToRead,&tsz,lpOverlapped);
1224                 if (lpNumberOfBytesRead) *lpNumberOfBytesRead = tsz;
1225                 return RetVal;
1226         }
1227         if (lpOverlapped)
1228                 if (lpOverlapped->Internal || lpOverlapped->InternalHigh || lpOverlapped->Offset || lpOverlapped->OffsetHigh || lpOverlapped->hEvent)
1229                         SFileSetFilePointer(hFile,lpOverlapped->Offset,(long *)&lpOverlapped->OffsetHigh,FILE_BEGIN);
1230         if (nNumberOfBytesToRead==0) {
1231                 if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
1232                 if (lpOverlapped) lpOverlapped->InternalHigh = 0;
1233                 return TRUE;
1234         }
1235         MPQARCHIVE *mpqOpenArc = mpqOpenFile->lpParentArc;
1236
1237         if (mpqOpenFile->dwFilePointer>mpqOpenFile->lpBlockEntry->dwFullSize) return FALSE;
1238         if (mpqOpenFile->dwFilePointer==mpqOpenFile->lpBlockEntry->dwFullSize)
1239         {
1240                 if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
1241                 if (lpOverlapped) lpOverlapped->InternalHigh = 0;
1242                 return TRUE;
1243         }
1244         DWORD nBytesRead,TotalBytesRead=0;
1245         DWORD BlockIndex = mpqOpenFile->lpHashEntry->dwBlockTableIndex;
1246         if (mpqOpenFile->dwFilePointer+nNumberOfBytesToRead>mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize) nNumberOfBytesToRead = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize-mpqOpenFile->dwFilePointer;
1247         DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
1248         DWORD dwBlockStart = mpqOpenFile->dwFilePointer - (mpqOpenFile->dwFilePointer % blockSize);
1249     DWORD blockNum = dwBlockStart / blockSize;
1250     DWORD nBlocks  = (mpqOpenFile->dwFilePointer+nNumberOfBytesToRead) / blockSize;
1251     if((mpqOpenFile->dwFilePointer+nNumberOfBytesToRead) % blockSize)
1252                 nBlocks++;
1253         DWORD TotalBlocks = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize / blockSize;
1254         if(mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize % blockSize)
1255                 TotalBlocks++;
1256         DWORD dwBlockPos = mpqOpenFile->dwFilePointer % blockSize;
1257         DWORD dwBlockPosEnd = (mpqOpenFile->dwFilePointer+nNumberOfBytesToRead) % blockSize;
1258         if (dwBlockPosEnd==0) dwBlockPosEnd = blockSize;
1259         void *blkBuffer = SFAlloc(blockSize);
1260         if (!blkBuffer) {
1261                 if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
1262                 if (lpOverlapped) lpOverlapped->InternalHigh = 0;
1263                 return FALSE;
1264         }
1265         void *blk16Buffer = SFAlloc(blockSize * 16);
1266         if (!blk16Buffer) {
1267                 SFFree(blkBuffer);
1268                 if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
1269                 if (lpOverlapped) lpOverlapped->InternalHigh = 0;
1270                 return FALSE;
1271         }
1272         DWORD dwCryptKey = mpqOpenFile->dwCryptKey;
1273         //if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_ENCRYPT) dwCryptKey = HashString(mpqOpenFile->lpFileName,HASH_KEY);
1274         //if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_MODCRYPTKEY) dwCryptKey = (dwCryptKey + mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset) ^ mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize;
1275         DWORD HeaderLength=0;
1276         if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
1277         {
1278                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset,0,FILE_BEGIN);
1279                 ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&nBytesRead,0);
1280         }
1281         DWORD i;
1282         if (!mpqOpenFile->lpdwBlockOffsets)
1283         {
1284                 DWORD *dwBlockPtrTable = (DWORD *)SFAlloc((TotalBlocks+1)*4);
1285                 if (!dwBlockPtrTable) {
1286
1287                         SFFree(blk16Buffer);
1288                         SFFree(blkBuffer);
1289                         if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
1290                         if (lpOverlapped) lpOverlapped->InternalHigh = 0;
1291                         return FALSE;
1292                 }
1293                 if ((mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS) || (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS2))
1294                 {
1295                         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
1296                         ReadFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&nBytesRead,0);
1297                         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_ENCRYPT) {
1298                                 DecryptData((LPBYTE)dwBlockPtrTable,(TotalBlocks+1)*4,dwCryptKey-1);
1299                         }
1300                 }
1301                 else
1302                 {
1303                         for (i=0;i<TotalBlocks+1;i++) {
1304                                 if (i<TotalBlocks) dwBlockPtrTable[i] = i * blockSize;
1305                                 else dwBlockPtrTable[i] = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize;
1306                         }
1307                 }
1308                 mpqOpenFile->lpdwBlockOffsets = dwBlockPtrTable;
1309         }
1310         BYTE *compbuffer = (BYTE *)SFAlloc(blockSize+3);
1311         if (!compbuffer) {
1312                 SFFree(blk16Buffer);
1313                 SFFree(blkBuffer);
1314                 if (lpNumberOfBytesRead) *lpNumberOfBytesRead = 0;
1315                 if (lpOverlapped) lpOverlapped->InternalHigh = 0;
1316                 return FALSE;
1317         }
1318         DWORD blk=0,blki=0;
1319         for (i=blockNum;i<nBlocks;i++) {
1320                 if (blk==0) {
1321                         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+mpqOpenFile->lpdwBlockOffsets[i],0,FILE_BEGIN);
1322                         blki=i;
1323                         if (i+16>nBlocks) {
1324                                 if (ReadFile(mpqOpenArc->hFile,blk16Buffer,mpqOpenFile->lpdwBlockOffsets[nBlocks]-mpqOpenFile->lpdwBlockOffsets[i],&nBytesRead,0)==0) {
1325                                         SFFree(compbuffer);
1326                                         SFFree(blk16Buffer);
1327                                         SFFree(blkBuffer);
1328                                         if (lpNumberOfBytesRead) *lpNumberOfBytesRead = TotalBytesRead;
1329                                         if (lpOverlapped) lpOverlapped->InternalHigh = TotalBytesRead;
1330                                         return FALSE;
1331                                 }
1332
1333                         }
1334                         else {
1335                                 if (ReadFile(mpqOpenArc->hFile,blk16Buffer,mpqOpenFile->lpdwBlockOffsets[i+16]-mpqOpenFile->lpdwBlockOffsets[i],&nBytesRead,0)==0) {
1336                                         SFFree(compbuffer);
1337                                         SFFree(blk16Buffer);
1338                                         SFFree(blkBuffer);
1339                                         if (lpNumberOfBytesRead) *lpNumberOfBytesRead = TotalBytesRead;
1340                                         if (lpOverlapped) lpOverlapped->InternalHigh = TotalBytesRead;
1341                                         return FALSE;
1342                                 }
1343                         }
1344                 }
1345                 memcpy(blkBuffer,((char *)blk16Buffer)+(mpqOpenFile->lpdwBlockOffsets[blki+blk]-mpqOpenFile->lpdwBlockOffsets[blki]),mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i]);
1346                 if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_ENCRYPT)
1347                 {
1348                         DecryptData((LPBYTE)blkBuffer,mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i],dwCryptKey+i);
1349                 }
1350                 if (i==TotalBlocks-1 && (mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize % blockSize)!=0) blockSize=mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize % blockSize;
1351                 DWORD outLength=blockSize;
1352                 if ((mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i])!=blockSize)
1353                 {
1354                         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS)
1355                         {
1356                                 BYTE *compdata = compbuffer;
1357                                 memcpy(compdata,(char *)blkBuffer,mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i]);
1358                                 if (compdata[0]&UNSUPPORTED_DECOMPRESSION) {
1359                                         LoadStorm();
1360                                         if (stormSCompDecompress)
1361                                                 stormSCompDecompress(blkBuffer, &outLength, compdata, mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i]);
1362                                 }
1363                                 else {
1364                                         SCompDecompress(blkBuffer, &outLength, compdata, mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i]);
1365                                 }
1366                         }
1367                         else if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS2)
1368                         {
1369                                 BYTE *compdata = compbuffer;
1370                                 compdata[0] = 0x08;
1371                                 memcpy(compdata+1,(char *)blkBuffer,mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i]);
1372                                 SCompDecompress(blkBuffer, &outLength, compdata, mpqOpenFile->lpdwBlockOffsets[i+1]-mpqOpenFile->lpdwBlockOffsets[i]+1);
1373                         }
1374                 }
1375                 if (i==blockNum) {
1376                         if (nNumberOfBytesToRead > blockSize-dwBlockPos) {
1377                                 memcpy(lpBuffer,(char *)blkBuffer+dwBlockPos,blockSize-dwBlockPos);
1378                                 TotalBytesRead+=blockSize-dwBlockPos;
1379                                 mpqOpenFile->dwFilePointer += blockSize-dwBlockPos;
1380                                 nNumberOfBytesToRead-=blockSize-dwBlockPos;
1381                         }
1382                         else {
1383                                 memcpy(lpBuffer,(char *)blkBuffer+dwBlockPos,nNumberOfBytesToRead);
1384                                 TotalBytesRead+=nNumberOfBytesToRead;
1385                                 mpqOpenFile->dwFilePointer += nNumberOfBytesToRead;
1386                                 nNumberOfBytesToRead-=nNumberOfBytesToRead;
1387                         }
1388                 }
1389                 else if (i==nBlocks-1) {
1390                         if (nNumberOfBytesToRead > dwBlockPosEnd) {
1391                                 memcpy((char *)lpBuffer+TotalBytesRead,blkBuffer,dwBlockPosEnd);
1392                                 TotalBytesRead+=dwBlockPosEnd;
1393                                 mpqOpenFile->dwFilePointer += dwBlockPosEnd;
1394                                 nNumberOfBytesToRead-=dwBlockPosEnd;
1395                         }
1396                         else {
1397                                 memcpy((char *)lpBuffer+TotalBytesRead,blkBuffer,nNumberOfBytesToRead);
1398                                 TotalBytesRead+=nNumberOfBytesToRead;
1399                                 mpqOpenFile->dwFilePointer += nNumberOfBytesToRead;
1400                                 nNumberOfBytesToRead-=nNumberOfBytesToRead;
1401                         }
1402                 }
1403                 else {
1404                         if (nNumberOfBytesToRead > blockSize) {
1405                                 memcpy((char *)lpBuffer+TotalBytesRead,blkBuffer,blockSize);
1406                                 TotalBytesRead+=blockSize;
1407                                 mpqOpenFile->dwFilePointer += blockSize;
1408                                 nNumberOfBytesToRead-=blockSize;
1409                         }
1410                         else {
1411                                 memcpy((char *)lpBuffer+TotalBytesRead,blkBuffer,nNumberOfBytesToRead);
1412                                 TotalBytesRead+=nNumberOfBytesToRead;
1413                                 mpqOpenFile->dwFilePointer += nNumberOfBytesToRead;
1414                                 nNumberOfBytesToRead-=nNumberOfBytesToRead;
1415                         }
1416                 }
1417                 blk = (blk+1) % 16;
1418         }
1419         SFFree(compbuffer);
1420         SFFree(blk16Buffer);
1421         SFFree(blkBuffer);
1422         if (lpNumberOfBytesRead) *lpNumberOfBytesRead = TotalBytesRead;
1423         if (lpOverlapped) lpOverlapped->InternalHigh = TotalBytesRead;
1424         return TRUE;
1425 }
1426
1427 LCID SFMPQAPI WINAPI SFileSetLocale(LCID nNewLocale)
1428 {
1429         return (LocaleID = nNewLocale);
1430 }
1431
1432 BOOL SFMPQAPI WINAPI SFileGetBasePath(LPCSTR lpBuffer, DWORD dwBufferLength)
1433 {
1434         if (lpBuffer==0) {
1435                 SetLastError(ERROR_INVALID_PARAMETER);
1436                 return FALSE;
1437         }
1438
1439         DWORD slen = strlen(StormBasePath)+1;
1440         if (dwBufferLength>=slen) memcpy((void *)lpBuffer,StormBasePath,slen);
1441         else memcpy((void *)lpBuffer,StormBasePath,dwBufferLength);
1442         return TRUE;
1443 }
1444
1445 BOOL SFMPQAPI WINAPI SFileSetBasePath(LPCSTR lpNewBasePath)
1446 {
1447         if (!lpNewBasePath) {
1448                 SetLastError(ERROR_INVALID_PARAMETER);
1449                 return FALSE;
1450         }
1451         if (!*lpNewBasePath) {
1452                 SetLastError(ERROR_INVALID_PARAMETER);
1453                 return FALSE;
1454         }
1455
1456         DWORD slen = strlen(lpNewBasePath)+1;
1457         if (slen>MAX_PATH+1) return FALSE;
1458         else if (slen==MAX_PATH+1)
1459                 if (lpNewBasePath[MAX_PATH-1]!='\\' && lpNewBasePath[MAX_PATH-1]!='/') return FALSE;
1460         TempAlloc NewAlloc;
1461         char *buffer = (char *)NewAlloc.Alloc(slen+1);
1462         memcpy(buffer,lpNewBasePath,slen);
1463         char *npath;
1464 #ifdef _WIN32
1465         for (npath=buffer;npath[0]!=0;npath++)
1466                 if (npath[0]=='/') npath[0]='\\';
1467         if (npath[-1]!='\\') {
1468                 npath[0]='\\';
1469                 npath[1]=0;
1470                 slen+=1;
1471         }
1472 #else
1473         for (npath=buffer;npath[0]!=0;npath++)
1474                 if (npath[0]=='\\') npath[0]='/';
1475         if (npath[-1]!='/') {
1476                 npath[0]='/';
1477                 npath[1]=0;
1478                 slen+=1;
1479         }
1480 #endif
1481 #ifdef _WIN32
1482         DWORD attrib = GetFileAttributes(buffer);
1483         if ((attrib&FILE_ATTRIBUTE_DIRECTORY)==0 || attrib==0xFFFFFFFF) return FALSE;
1484 #endif
1485
1486         memcpy(StormBasePath,buffer,slen);
1487         return TRUE;
1488 }
1489
1490 BOOL SFMPQAPI WINAPI SFileSetArchivePriority(MPQHANDLE hMPQ, DWORD dwPriority)
1491 {
1492         if (!hMPQ) {
1493                 SetLastError(ERROR_INVALID_PARAMETER);
1494                 return FALSE;
1495         }
1496
1497         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
1498         mpqOpenArc->dwPriority = dwPriority;
1499         if (dwOpenMpqCount>1) SortOpenArchivesByPriority();
1500         return TRUE;
1501 }
1502
1503 int StringICompare(const void *arg1,const void *arg2)
1504 {
1505         return stricmp(*(char **)arg1,*(char **)arg2);
1506 }
1507
1508 BOOL SFMPQAPI WINAPI SFileListFiles(MPQHANDLE hMPQ, LPCSTR lpFileLists, FILELISTENTRY *lpListBuffer, DWORD dwFlags)
1509 {
1510         if (!hMPQ || !lpListBuffer) {
1511                 SetLastError(ERROR_INVALID_PARAMETER);
1512                 return FALSE;
1513         }
1514
1515         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
1516         DWORD i,tsz;
1517
1518         if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
1519         {
1520                 for (i=0;i<mpqOpenArc->MpqHeader.dwHashTableSize;i++) {
1521                         lpListBuffer[i].dwFileExists = 0;
1522                         lpListBuffer[i].szFileName[0] = 0;
1523                         if ((mpqOpenArc->lpHashTable[i].dwBlockTableIndex&0xFFFFFFFE)!=0xFFFFFFFE && mpqOpenArc->lpHashTable[i].dwBlockTableIndex < mpqOpenArc->MpqHeader.dwBlockTableSize) {
1524                                 lpListBuffer[i].lcLocale = mpqOpenArc->lpHashTable[i].lcLocale;
1525                                 DWORD dwBlockIndex = mpqOpenArc->lpHashTable[i].dwBlockTableIndex;
1526                                 lpListBuffer[i].dwCompressedSize = mpqOpenArc->lpBlockTable[dwBlockIndex].dwCompressedSize;
1527                                 lpListBuffer[i].dwFullSize = mpqOpenArc->lpBlockTable[dwBlockIndex].dwFullSize;
1528                                 lpListBuffer[i].dwFlags = mpqOpenArc->lpBlockTable[dwBlockIndex].dwFlags;
1529                                 lpListBuffer[i].dwFileExists=0xFFFFFFFF;
1530                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset+0x40,0,FILE_BEGIN);
1531                                 ReadFile(mpqOpenArc->hFile,lpListBuffer[i].szFileName,260,&tsz,0);
1532
1533                                 if (mpqOpenArc->lpHashTable[i].dwNameHashA==HashString(lpListBuffer[i].szFileName,HASH_NAME_A) && mpqOpenArc->lpHashTable[i].dwNameHashB==HashString(lpListBuffer[i].szFileName,HASH_NAME_B)) {
1534                                         if (dwFlags&SFILE_LIST_ONLY_UNKNOWN && !(dwFlags&SFILE_LIST_ONLY_KNOWN)) {
1535                                                 lpListBuffer[i].dwFileExists = 0;
1536                                         }
1537                                 }
1538                                 else {
1539                                         sprintf(lpListBuffer[i].szFileName,UNKNOWN_OUT,i);
1540                                         if (dwFlags&SFILE_LIST_ONLY_KNOWN) {
1541                                                 lpListBuffer[i].dwFileExists = 0;
1542                                         }
1543                                 }
1544                         }
1545                 }
1546
1547                 return TRUE;
1548         }
1549
1550         char **lpNameBuffers=0;
1551
1552         char **lpNames=0,szNull[1]={0},*lpFLCopy;
1553         DWORD *lpdwNameHashA=0,*lpdwNameHashB=0;
1554         DWORD dwListNameHashA,dwListNameHashB;
1555         DWORD j;
1556         lpFLCopy = (char *)lpFileLists;
1557         DWORD dwExtLists=0,dwIntLists=0;
1558         if (!lpFLCopy) lpFLCopy=szNull;
1559         char *lpLines;
1560         for (lpLines=lpFLCopy;lpLines;lpLines=nextline(lpLines)) {
1561                 if (!*lpLines) break;
1562                 dwExtLists++;
1563         }
1564         dwListNameHashA = HashString(INTERNAL_LISTFILE,HASH_NAME_A);
1565         dwListNameHashB = HashString(INTERNAL_LISTFILE,HASH_NAME_B);
1566         for (i=0;i<mpqOpenArc->MpqHeader.dwHashTableSize;i++) {
1567                 if (mpqOpenArc->lpHashTable[i].dwNameHashA==dwListNameHashA && mpqOpenArc->lpHashTable[i].dwNameHashB==dwListNameHashB && (mpqOpenArc->lpHashTable[i].dwBlockTableIndex&0xFFFFFFFE)!=0xFFFFFFFE) {
1568                         dwIntLists++;
1569                 }
1570         }
1571         lpNameBuffers = (char **)SFAlloc((1+dwExtLists+dwIntLists)*sizeof(char *));
1572         if (dwExtLists) {
1573                 lpFLCopy = strdup(lpFLCopy);
1574                 i=0;
1575                 for (lpLines=lpFLCopy;lpLines;lpLines=nextline(lpLines)) {
1576                         if (!*lpLines) break;
1577                         lpNameBuffers[i+1] = lpLines;
1578                         i++;
1579                 }
1580                 for (i=0;i<dwExtLists;i++) {
1581                         lpNameBuffers[i+1][strlnlen(lpNameBuffers[i+1])]=0;
1582                 }
1583                 qsort(lpNameBuffers+1,dwExtLists,sizeof(char *),StringICompare);
1584                 for (i=0;i<dwExtLists-1;i++) {
1585                         if (stricmp(lpNameBuffers[i+1],lpNameBuffers[i+2])==0) {
1586                                 memmove(&lpNameBuffers[i+1],&lpNameBuffers[i+2],(dwExtLists-(i+1))*sizeof(char *));
1587                                 dwExtLists--;
1588                         }
1589                 }
1590         }
1591         if (dwIntLists) {
1592                 dwIntLists = 0;
1593                 for (i=0;i<mpqOpenArc->MpqHeader.dwHashTableSize;i++) {
1594                         if (mpqOpenArc->lpHashTable[i].dwNameHashA==dwListNameHashA && mpqOpenArc->lpHashTable[i].dwNameHashB==dwListNameHashB && (mpqOpenArc->lpHashTable[i].dwBlockTableIndex&0xFFFFFFFE)!=0xFFFFFFFE) {
1595                                 lpNameBuffers[1+dwExtLists+dwIntLists] = (char *)i;
1596                                 dwIntLists++;
1597                         }
1598                 }
1599         }
1600         DWORD dwLines=0,dwOldLines=0,dwTotalLines=0;
1601         DWORD fsz;
1602         HANDLE hFile;
1603         DWORD dwListCryptKey = HashString(INTERNAL_LISTFILE,HASH_KEY);
1604         for (i=0;i<1+dwExtLists+dwIntLists;i++) {
1605                 if (i==0) {
1606                         fsz = strlen(INTERNAL_FILES);
1607                         lpNameBuffers[i] = (char *)SFAlloc(fsz+1);
1608                         memcpy(lpNameBuffers[i],INTERNAL_FILES,fsz);
1609                         lpNameBuffers[i][fsz]=0;
1610                 }
1611                 else if (i<1+dwExtLists) {
1612                         if (!(dwFlags&SFILE_LIST_MEMORY_LIST)) {
1613                                 hFile = CreateFile(lpNameBuffers[i],GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);
1614                                 if (hFile!=INVALID_HANDLE_VALUE) {
1615                                         fsz = GetFileSize(hFile,0);
1616                                         SetFilePointer(hFile,0,0,FILE_BEGIN);
1617                                         lpNameBuffers[i] = (char *)SFAlloc(fsz+1);
1618                                         ReadFile(hFile,lpNameBuffers[i],fsz,&tsz,0);
1619                                         CloseHandle(hFile);
1620                                         lpNameBuffers[i][fsz]=0;
1621                                 }
1622                                 else lpNameBuffers[i]=0;
1623                         }
1624                         else {
1625                                 dwTotalLines++;
1626                                 continue;
1627                         }
1628                 }
1629                 else {
1630                         MPQFILE thisFile;
1631                         memset(&thisFile,0,sizeof(MPQFILE));
1632                         thisFile.lpParentArc = (MPQARCHIVE *)hMPQ;
1633                         thisFile.hFile = INVALID_HANDLE_VALUE;
1634                         thisFile.lpHashEntry = &mpqOpenArc->lpHashTable[(DWORD)lpNameBuffers[i]];
1635                         thisFile.lpBlockEntry = &mpqOpenArc->lpBlockTable[thisFile.lpHashEntry->dwBlockTableIndex];
1636                         thisFile.lpFileName = thisFile.szFileName;
1637                         strcpy(thisFile.lpFileName,INTERNAL_LISTFILE);
1638                         thisFile.dwFilePointer = 0;
1639                         thisFile.lpdwBlockOffsets = 0;
1640                         BLOCKTABLEENTRY *lpBlockEntry = thisFile.lpBlockEntry;
1641                         if (lpBlockEntry->dwFlags & MAFA_ENCRYPT) {
1642                                 thisFile.dwCryptKey = dwListCryptKey;
1643                                 if (lpBlockEntry->dwFlags & MAFA_MODCRYPTKEY)
1644                                         thisFile.dwCryptKey = (thisFile.dwCryptKey + lpBlockEntry->dwFileOffset) ^ lpBlockEntry->dwFullSize;
1645                         }
1646                         fsz = lpBlockEntry->dwFullSize;
1647                         lpNameBuffers[i] = (char *)SFAlloc(fsz+1);
1648                         SFileReadFile(&thisFile,lpNameBuffers[i],fsz,0,0);
1649                         if (thisFile.lpdwBlockOffsets) SFFree(thisFile.lpdwBlockOffsets);
1650                         lpNameBuffers[i][fsz]=0;
1651                 }
1652                 for (lpLines=lpNameBuffers[i];lpLines;lpLines=nextline(lpLines)) {
1653                         if (!*lpLines) break;
1654                         dwTotalLines++;
1655                 }
1656         }
1657         lpNames = (char **)SFAlloc(dwTotalLines*sizeof(char *));
1658         for (i=0;i<1+dwExtLists+dwIntLists;i++) {
1659                 dwOldLines=dwLines;
1660                 for (lpLines=lpNameBuffers[i];lpLines;lpLines=nextline(lpLines)) {
1661                         if (!*lpLines) break;
1662                         lpNames[dwLines] = lpLines;
1663                         dwLines++;
1664                 }
1665                 for (j=dwOldLines;j<dwLines;j++) {
1666                         lpNames[j][strlnlen(lpNames[j])]=0;
1667                 }
1668         }
1669         qsort(lpNames,dwTotalLines,sizeof(char *),StringICompare);
1670         for (i=0;i<dwTotalLines-1;i++) {
1671                 if (stricmp(lpNames[i],lpNames[i+1])==0) {
1672                         memmove(&lpNames[i],&lpNames[i+1],(dwTotalLines-(i+1))*sizeof(char *));
1673                         dwTotalLines--;
1674                 }
1675         }
1676         if (dwTotalLines) {
1677                 lpdwNameHashA = (DWORD *)SFAlloc(dwTotalLines*sizeof(DWORD));
1678                 lpdwNameHashB = (DWORD *)SFAlloc(dwTotalLines*sizeof(DWORD));
1679                 for (i=0;i<dwTotalLines;i++) {
1680                         lpdwNameHashA[i] = HashString(lpNames[i],HASH_NAME_A);
1681                         lpdwNameHashB[i] = HashString(lpNames[i],HASH_NAME_B);
1682                 }
1683         }
1684         for (i=0;i<mpqOpenArc->MpqHeader.dwHashTableSize;i++) {
1685                 lpListBuffer[i].dwFileExists = 0;
1686                 lpListBuffer[i].szFileName[0] = 0;
1687                 if ((mpqOpenArc->lpHashTable[i].dwBlockTableIndex&0xFFFFFFFE)!=0xFFFFFFFE && mpqOpenArc->lpHashTable[i].dwBlockTableIndex < mpqOpenArc->MpqHeader.dwBlockTableSize) {
1688                         lpListBuffer[i].lcLocale = mpqOpenArc->lpHashTable[i].lcLocale;
1689                         DWORD dwBlockIndex = mpqOpenArc->lpHashTable[i].dwBlockTableIndex;
1690                         lpListBuffer[i].dwCompressedSize = mpqOpenArc->lpBlockTable[dwBlockIndex].dwCompressedSize;
1691                         lpListBuffer[i].dwFullSize = mpqOpenArc->lpBlockTable[dwBlockIndex].dwFullSize;
1692                         lpListBuffer[i].dwFlags = mpqOpenArc->lpBlockTable[dwBlockIndex].dwFlags;
1693                         lpListBuffer[i].dwFileExists=0xFFFFFFFF;
1694                         for (j=0;j<dwTotalLines;j++) {
1695                                 if (mpqOpenArc->lpHashTable[i].dwNameHashA==lpdwNameHashA[j] && mpqOpenArc->lpHashTable[i].dwNameHashB==lpdwNameHashB[j]) {
1696                                         strncpy(lpListBuffer[i].szFileName,lpNames[j],260);
1697                                         if (dwFlags&SFILE_LIST_ONLY_UNKNOWN && !(dwFlags&SFILE_LIST_ONLY_KNOWN)) {
1698                                                 lpListBuffer[i].dwFileExists = 0;
1699                                         }
1700                                         break;
1701                                 }
1702                                 if (j+1==dwTotalLines) {
1703                                         sprintf(lpListBuffer[i].szFileName,UNKNOWN_OUT,i);
1704                                         if (dwFlags&SFILE_LIST_ONLY_KNOWN) {
1705                                                 lpListBuffer[i].dwFileExists = 0;
1706                                         }
1707                                 }
1708                         }
1709                 }
1710         }
1711         if (lpNameBuffers) {
1712                 for (i=0;i<1+dwExtLists+dwIntLists;i++) {
1713                         if (i>=1 && i<1+dwExtLists) {
1714                                 if ((dwFlags&SFILE_LIST_MEMORY_LIST)) {
1715                                         continue;
1716                                 }
1717                         }
1718                         if (lpNameBuffers[i]) SFFree(lpNameBuffers[i]);
1719                 }
1720                 SFFree(lpNameBuffers);
1721         }
1722         if (dwExtLists) SFFree(lpFLCopy);
1723         if (lpdwNameHashA) SFFree(lpdwNameHashA);
1724         if (lpdwNameHashB) SFFree(lpdwNameHashB);
1725         return TRUE;
1726 }
1727
1728 MPQHANDLE SFMPQAPI WINAPI MpqOpenArchiveForUpdate(LPCSTR lpFileName, DWORD dwFlags, DWORD dwMaximumFilesInArchive)
1729 {
1730         MPQHANDLE hMPQ;
1731
1732         MpqOpenArchiveEx(lpFileName,0,0,&hMPQ,dwFlags,dwMaximumFilesInArchive,USE_DEFAULT_BLOCK_SIZE);
1733         return hMPQ;
1734 }
1735
1736 MPQHANDLE SFMPQAPI WINAPI MpqOpenArchiveForUpdateEx(LPCSTR lpFileName, DWORD dwFlags, DWORD dwMaximumFilesInArchive, DWORD dwBlockSize)
1737 {
1738         MPQHANDLE hMPQ;
1739
1740         MpqOpenArchiveEx(lpFileName,0,0,&hMPQ,dwFlags,dwMaximumFilesInArchive,dwBlockSize);
1741         return hMPQ;
1742 }
1743
1744 DWORD SFMPQAPI WINAPI MpqCloseUpdatedArchive(MPQHANDLE hMPQ, DWORD dwUnknown2)
1745 {
1746         return SFileCloseArchive(hMPQ);
1747 }
1748
1749 BOOL SFMPQAPI WINAPI MpqAddFileToArchiveEx(MPQHANDLE hMPQ, LPCSTR lpSourceFileName, LPCSTR lpDestFileName, DWORD dwFlags, DWORD dwCompressionType, DWORD dwCompressLevel)
1750 {
1751         if (!hMPQ || !lpSourceFileName || !lpDestFileName) {
1752                 SetLastError(ERROR_INVALID_PARAMETER);
1753                 return FALSE;
1754         }
1755         if (!*lpSourceFileName || !*lpDestFileName) {
1756                 SetLastError(ERROR_INVALID_PARAMETER);
1757                 return FALSE;
1758         }
1759
1760         if (!(((MPQARCHIVE *)hMPQ)->dwFlags&SFILE_OPEN_ALLOW_WRITE)) {
1761                 SetLastError(ERROR_ACCESS_DENIED);
1762                 return FALSE;
1763         }
1764         BOOL ReplaceExisting;
1765         if (dwFlags&MAFA_REPLACE_EXISTING) {
1766                 dwFlags = dwFlags^MAFA_REPLACE_EXISTING;
1767                 ReplaceExisting = TRUE;
1768         }
1769         else ReplaceExisting = FALSE;
1770         MPQHANDLE hFile = GetFreeHashTableEntry(hMPQ,lpDestFileName,LocaleID,ReplaceExisting);
1771         if (!hFile) return FALSE;
1772         HANDLE haFile = CreateFile(lpSourceFileName,GENERIC_READ,FILE_SHARE_READ,0,OPEN_EXISTING,0,0);
1773         if (haFile==INVALID_HANDLE_VALUE) return FALSE;
1774         DWORD fsz = GetFileSize(haFile,0),tsz;
1775         DWORD ucfsz = fsz;
1776         BOOL IsBNcache = FALSE;char *buffer,*hbuffer;
1777         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
1778         DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
1779         DWORD TotalBlocks = fsz / blockSize;
1780         if(fsz % blockSize)
1781                 TotalBlocks++;
1782         DWORD ptsz = 0;
1783         if (dwFlags&MAFA_COMPRESS || dwFlags&MAFA_COMPRESS2) ptsz = (TotalBlocks+1)*4;
1784         if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
1785         {
1786                 IsBNcache = TRUE;
1787                 hbuffer = (char *)SFAlloc(fsz+324+ptsz);
1788                 if (!hbuffer) {
1789                         CloseHandle(haFile);
1790                         return FALSE;
1791                 }
1792                 hbuffer[0] = (char)0x44;
1793                 hbuffer[1] = (char)0x01;
1794                 DWORD lpFileNameLength = strlen(lpDestFileName);
1795                 if (lpFileNameLength<=260) memcpy(hbuffer+64,lpDestFileName,lpFileNameLength);
1796                 else strncpy(hbuffer+64,lpDestFileName,260);
1797                 buffer = hbuffer+324;
1798         }
1799         else buffer = (char *)SFAlloc(fsz+ptsz);
1800         if (!buffer && fsz!=0) {
1801                 CloseHandle(haFile);
1802                 return FALSE;
1803         }
1804         if (fsz!=0) {
1805                 if (ReadFile(haFile,buffer,fsz,&tsz,0)==0) {
1806                         SFFree(buffer);
1807                         CloseHandle(haFile);
1808                         return FALSE;
1809                 }
1810         }
1811         else {
1812                 if (dwFlags&MAFA_COMPRESS) dwFlags = dwFlags^MAFA_COMPRESS;
1813                 if (dwFlags&MAFA_COMPRESS2) dwFlags = dwFlags^MAFA_COMPRESS2;
1814                 if (dwFlags&MAFA_ENCRYPT) dwFlags = dwFlags^MAFA_ENCRYPT;
1815                 if (dwFlags&MAFA_MODCRYPTKEY) dwFlags = dwFlags^MAFA_MODCRYPTKEY;
1816         }
1817         CloseHandle(haFile);
1818         DWORD i;
1819         DWORD *dwBlkpt = (DWORD *)SFAlloc((TotalBlocks+1)*4);
1820         if (!dwBlkpt) {
1821                 SFFree(buffer);
1822                 return FALSE;
1823         }
1824         if ((dwFlags & MAFA_COMPRESS) || (dwFlags & MAFA_COMPRESS2))
1825         {
1826                 DWORD dwCompressionSubType = 0;
1827
1828                 if ((dwCompressionType&0x40 || dwCompressionType&0x80) && (memcmp(buffer,ID_RIFF,4)!=0 || memcmp(buffer+8,ID_WAVE,8)!=0 || buffer[20]!=1 || buffer[34]!=16)) {
1829                         dwCompressionType = 0x08;
1830                         dwCompressLevel = 0;
1831                 }
1832                 if (dwCompressionType&0x40 || dwCompressionType&0x80) {
1833                         switch (dwCompressLevel) {
1834                                 case MAWA_QUALITY_HIGH:
1835                                         dwCompressLevel = 1;
1836                                         break;
1837                                 case MAWA_QUALITY_LOW:
1838                                         dwCompressLevel = 3;
1839                                         break;
1840                                 default:
1841                                         dwCompressLevel = 0;
1842                         }
1843                 }
1844                 else if (dwCompressionType&0x01 || dwCompressionType&0x08 || ((dwFlags & MAFA_COMPRESS)!=MAFA_COMPRESS && (dwFlags & MAFA_COMPRESS2)==MAFA_COMPRESS2)) {
1845                         dwCompressionSubType = dwCompressLevel;
1846                         dwCompressLevel = 0;
1847                 }
1848                 else if (dwCompressionType&0x02) {
1849                         dwCompressionSubType = 1;
1850                 }
1851
1852                 DWORD LastOffset=ptsz;
1853                 BYTE *compbuffer = (BYTE *)SFAlloc(blockSize);
1854                 if (!compbuffer) {
1855                         SFFree(dwBlkpt);
1856                         SFFree(buffer);
1857                         return FALSE;
1858                 }
1859                 char *outbuffer = (char *)SFAlloc(blockSize);
1860                 if (!outbuffer) {
1861                         SFFree(compbuffer);
1862                         SFFree(dwBlkpt);
1863                         SFFree(buffer);
1864                         return FALSE;
1865                 }
1866                 char *newbuffer = (char *)SFAlloc(fsz+ptsz);
1867                 if (!newbuffer) {
1868                         SFFree(outbuffer);
1869                         SFFree(compbuffer);
1870                         SFFree(dwBlkpt);
1871                         SFFree(buffer);
1872                         return FALSE;
1873                 }
1874                 DWORD CurPos=0;
1875                 for (i=0;i<TotalBlocks;i++) {
1876                         dwBlkpt[i] = LastOffset;
1877                         if (i==TotalBlocks-1 && (ucfsz % blockSize)!=0) blockSize=ucfsz % blockSize;
1878                         DWORD outLength=blockSize;
1879                         BYTE *compdata = compbuffer;
1880                         char *oldoutbuffer = outbuffer;
1881                         if (dwFlags & MAFA_COMPRESS)
1882                         {
1883                                 memcpy(compdata,(char *)buffer+CurPos,blockSize);
1884                                 if (i==0 && (dwCompressionType&0x40 || dwCompressionType&0x80)) {
1885                                         if (SCompCompress(outbuffer, &outLength, compdata, blockSize, 0x08, 0, 0)==0)
1886                                                 outLength=blockSize;
1887                                 }
1888                                 else
1889                                 {
1890                                         if (dwCompressionType&UNSUPPORTED_COMPRESSION) {
1891                                                 LoadStorm();
1892                                                 if (stormSCompCompress) {
1893                                                         if (stormSCompCompress(outbuffer, &outLength, compdata, blockSize, dwCompressionType, dwCompressionSubType, dwCompressLevel)==0)
1894                                                                 outLength=blockSize;
1895                                                 }
1896                                         }
1897                                         else {
1898                                                 if (SCompCompress(outbuffer, &outLength, compdata, blockSize, dwCompressionType, dwCompressionSubType, dwCompressLevel)==0)
1899                                                         outLength=blockSize;
1900                                         }
1901                                 }
1902                         }
1903                         else if (dwFlags & MAFA_COMPRESS2)
1904                         {
1905                                 memcpy(compdata,(char *)buffer+CurPos,blockSize);
1906                                 if (SCompCompress(outbuffer, &outLength, compdata, blockSize, 0x08, dwCompressionSubType, 0)==0) {
1907                                         outLength=blockSize;
1908                                 }
1909                                 else {
1910                                         outbuffer++;
1911                                         outLength--;
1912                                 }
1913                         }
1914                         else
1915                         {
1916                                 memcpy(compdata,(char *)buffer+CurPos,blockSize);
1917                         }
1918                         if (outLength>=blockSize)
1919                         {
1920                                 memcpy((char *)newbuffer+LastOffset,compdata,blockSize);
1921                                 LastOffset+=blockSize;
1922                         }
1923                         else {
1924                                 memcpy((char *)newbuffer+LastOffset,outbuffer,outLength);
1925                                 LastOffset+=outLength;
1926                         }
1927                         outbuffer = oldoutbuffer;
1928                         CurPos += blockSize;
1929                 }
1930                 fsz = LastOffset;
1931                 dwBlkpt[TotalBlocks] = fsz;
1932                 memcpy(newbuffer,dwBlkpt,ptsz);
1933
1934                 SFFree(outbuffer);
1935                 SFFree(compbuffer);
1936                 memcpy(buffer,newbuffer,fsz);
1937                 SFFree(newbuffer);
1938         }
1939         else
1940         {
1941                 for (i=0;i<TotalBlocks+1;i++) {
1942                         if (i<TotalBlocks) dwBlkpt[i] = i * blockSize;
1943                         else dwBlkpt[i] = ucfsz;
1944                 }
1945         }
1946         if (IsBNcache==TRUE)
1947         {
1948                 buffer = hbuffer;
1949                 fsz += 324;
1950         }
1951         HASHTABLEENTRY *hashEntry = (HASHTABLEENTRY *)hFile;
1952         BOOL IsNewBlockEntry = FALSE;DWORD OldBlockTableSize = sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize;
1953         if ((hashEntry->dwBlockTableIndex&0xFFFFFFFE)==0xFFFFFFFE)
1954         {
1955                 BLOCKTABLEENTRY *lpnBlockTable;
1956                 lpnBlockTable = (BLOCKTABLEENTRY *)SFAlloc(sizeof(BLOCKTABLEENTRY) * (mpqOpenArc->MpqHeader.dwBlockTableSize + 1));
1957                 if(!lpnBlockTable) {
1958                         SFFree(buffer);
1959                         return FALSE;
1960                 }
1961                 if (mpqOpenArc->lpBlockTable) memcpy(lpnBlockTable,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
1962                 mpqOpenArc->MpqHeader.dwBlockTableSize++;
1963                 if (mpqOpenArc->lpBlockTable) SFFree(mpqOpenArc->lpBlockTable);
1964                 mpqOpenArc->lpBlockTable = lpnBlockTable;
1965                 IsNewBlockEntry = TRUE;
1966         }
1967         DWORD BlockIndex = mpqOpenArc->MpqHeader.dwBlockTableSize - 1;
1968         if ((hashEntry->dwBlockTableIndex&0xFFFFFFFE)==0xFFFFFFFE)
1969         {
1970                 hashEntry->dwNameHashA = HashString(lpDestFileName,HASH_NAME_A);
1971                 hashEntry->dwNameHashB = HashString(lpDestFileName,HASH_NAME_B);
1972                 hashEntry->lcLocale = LocaleID;
1973                 hashEntry->dwBlockTableIndex = BlockIndex;
1974                 mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset = 0;
1975
1976         }
1977         else
1978         {
1979                 BlockIndex = hashEntry->dwBlockTableIndex;
1980         }
1981         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset==0 || mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize<fsz)
1982         {
1983                 if (mpqOpenArc->MpqHeader.dwHashTableOffset+(mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY))+OldBlockTableSize==mpqOpenArc->MpqHeader.dwMPQSize)
1984                 {
1985                         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize==mpqOpenArc->MpqHeader.dwHashTableOffset)
1986                         {
1987                                 mpqOpenArc->MpqHeader.dwHashTableOffset += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
1988                                 mpqOpenArc->MpqHeader.dwBlockTableOffset += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
1989                                 mpqOpenArc->MpqHeader.dwMPQSize += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
1990                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
1991                         }
1992                         else
1993                         {
1994                                 mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset = mpqOpenArc->MpqHeader.dwHashTableOffset;
1995                                 mpqOpenArc->MpqHeader.dwHashTableOffset += fsz;
1996                                 mpqOpenArc->MpqHeader.dwBlockTableOffset += fsz;
1997                                 mpqOpenArc->MpqHeader.dwMPQSize += fsz;
1998                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
1999                         }
2000                 }
2001                 else if (mpqOpenArc->MpqHeader.dwBlockTableOffset+OldBlockTableSize==mpqOpenArc->MpqHeader.dwMPQSize)
2002                 {
2003                         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize==mpqOpenArc->MpqHeader.dwBlockTableOffset)
2004                         {
2005                                 mpqOpenArc->MpqHeader.dwBlockTableOffset += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
2006                                 mpqOpenArc->MpqHeader.dwMPQSize += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
2007                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2008                         }
2009                         else
2010                         {
2011                                 mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset = mpqOpenArc->MpqHeader.dwBlockTableOffset;
2012                                 mpqOpenArc->MpqHeader.dwBlockTableOffset += fsz;
2013                                 mpqOpenArc->MpqHeader.dwMPQSize += fsz;
2014                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2015                         }
2016                 }
2017                 else
2018                 {
2019                         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize==mpqOpenArc->MpqHeader.dwMPQSize)
2020                         {
2021                                 mpqOpenArc->MpqHeader.dwBlockTableOffset = mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+fsz;
2022                                 mpqOpenArc->MpqHeader.dwMPQSize = mpqOpenArc->MpqHeader.dwBlockTableOffset+OldBlockTableSize;
2023                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2024                         }
2025                         else
2026                         {
2027                                 mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset = mpqOpenArc->MpqHeader.dwMPQSize;
2028                                 mpqOpenArc->MpqHeader.dwBlockTableOffset = mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+fsz;
2029                                 mpqOpenArc->MpqHeader.dwMPQSize = mpqOpenArc->MpqHeader.dwBlockTableOffset+OldBlockTableSize;
2030                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2031                         }
2032                 }
2033         }
2034         mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize = fsz;
2035         mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize = ucfsz;
2036         mpqOpenArc->lpBlockTable[BlockIndex].dwFlags = dwFlags|MAFA_EXISTS;
2037         DWORD dwFileOffset = mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset;
2038         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart,0,FILE_BEGIN);
2039         WriteFile(mpqOpenArc->hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0);
2040         if (dwFlags & MAFA_ENCRYPT) {
2041                 DWORD dwCryptKey;
2042                 if (dwFlags&MAFA_ENCRYPT) dwCryptKey = HashString(lpDestFileName,HASH_KEY);
2043                 if (dwFlags&MAFA_MODCRYPTKEY) dwCryptKey = (dwCryptKey + mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset) ^ mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize;
2044                 DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
2045                 DWORD TotalBlocks = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize / blockSize;
2046                 if(mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize % blockSize)
2047                         TotalBlocks++;
2048                 DWORD dwBlockEnd = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize % blockSize;
2049                 if (dwBlockEnd==0) dwBlockEnd = blockSize;
2050                 if ((dwFlags & MAFA_COMPRESS)==MAFA_COMPRESS || (dwFlags & MAFA_COMPRESS2)==MAFA_COMPRESS2) {
2051                         EncryptData((LPBYTE)buffer,ptsz,dwCryptKey-1);
2052                 }
2053                 for (DWORD i=0;i<TotalBlocks;i++) {
2054                         EncryptData((LPBYTE)buffer+dwBlkpt[i],dwBlkpt[i+1]-dwBlkpt[i],dwCryptKey);
2055                         dwCryptKey++;
2056                 }
2057         }
2058         SFFree(dwBlkpt);
2059         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+dwFileOffset,0,FILE_BEGIN);
2060         WriteFile(mpqOpenArc->hFile,buffer,fsz,&tsz,0);
2061         SFFree(buffer);
2062         buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2063         if (buffer) {
2064                 memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2065                 EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2066                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
2067                 WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
2068                 SFFree(buffer);
2069         }
2070         else {
2071                 EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2072                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
2073                 WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
2074                 DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2075         }
2076         buffer = (char *)SFAlloc(sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
2077         if (buffer) {
2078                 memcpy(buffer,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
2079                 EncryptData((LPBYTE)buffer,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
2080                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
2081                 WriteFile(mpqOpenArc->hFile,buffer,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0);
2082                 SFFree(buffer);
2083         }
2084         else {
2085                 EncryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
2086                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
2087                 WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0);
2088                 DecryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
2089         }
2090         AddToInternalListing(hMPQ,lpDestFileName);
2091
2092         return TRUE;
2093 }
2094
2095 BOOL SFMPQAPI WINAPI MpqAddFileToArchive(MPQHANDLE hMPQ, LPCSTR lpSourceFileName, LPCSTR lpDestFileName, DWORD dwFlags)
2096 {
2097         return MpqAddFileToArchiveEx(hMPQ,lpSourceFileName,lpDestFileName,dwFlags,0x08,0);
2098 }
2099
2100 BOOL SFMPQAPI WINAPI MpqAddWaveToArchive(MPQHANDLE hMPQ, LPCSTR lpSourceFileName, LPCSTR lpDestFileName, DWORD dwFlags, DWORD dwQuality)
2101 {
2102         return MpqAddFileToArchiveEx(hMPQ,lpSourceFileName,lpDestFileName,dwFlags,0x81,dwQuality);
2103 }
2104
2105 BOOL SFMPQAPI WINAPI MpqAddFileFromBufferEx(MPQHANDLE hMPQ, LPVOID lpBuffer, DWORD dwLength, LPCSTR lpFileName, DWORD dwFlags, DWORD dwCompressionType, DWORD dwCompressLevel)
2106 {
2107         if (!hMPQ || !lpBuffer || !lpFileName) {
2108                 SetLastError(ERROR_INVALID_PARAMETER);
2109                 return FALSE;
2110         }
2111         if (!*lpFileName) {
2112                 SetLastError(ERROR_INVALID_PARAMETER);
2113                 return FALSE;
2114         }
2115
2116         if (!(((MPQARCHIVE *)hMPQ)->dwFlags&SFILE_OPEN_ALLOW_WRITE)) {
2117                 SetLastError(ERROR_ACCESS_DENIED);
2118                 return FALSE;
2119         }
2120         BOOL ReplaceExisting;
2121         if (dwFlags&MAFA_REPLACE_EXISTING) {
2122                 dwFlags = dwFlags^MAFA_REPLACE_EXISTING;
2123                 ReplaceExisting = TRUE;
2124
2125         }
2126         else ReplaceExisting = FALSE;
2127         MPQHANDLE hFile = GetFreeHashTableEntry(hMPQ,lpFileName,LocaleID,ReplaceExisting);
2128         if (hFile==0) return FALSE;
2129         DWORD fsz = dwLength,tsz;
2130         DWORD ucfsz = fsz;
2131         BOOL IsBNcache = FALSE;char *buffer,*hbuffer;
2132         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
2133         DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
2134         DWORD TotalBlocks = fsz / blockSize;
2135         if(fsz % blockSize)
2136                 TotalBlocks++;
2137         DWORD ptsz = 0;
2138         if (dwFlags&MAFA_COMPRESS || dwFlags&MAFA_COMPRESS2) ptsz = (TotalBlocks+1)*4;
2139         if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
2140         {
2141                 IsBNcache = TRUE;
2142                 hbuffer = (char *)SFAlloc(fsz+324+ptsz);
2143                 if (hbuffer==0) {
2144                         return FALSE;
2145                 }
2146                 hbuffer[0] = (char)0x44;
2147                 hbuffer[1] = (char)0x01;
2148                 DWORD lpFileNameLength = strlen(lpFileName);
2149                 if (lpFileNameLength<=260) memcpy(hbuffer+64,lpFileName,lpFileNameLength);
2150                 else strncpy(hbuffer+64,lpFileName,260);
2151                 buffer = hbuffer+324;
2152         }
2153         else buffer = (char *)SFAlloc(fsz+ptsz);
2154         if (buffer==0 && fsz!=0) {
2155                 return FALSE;
2156         }
2157         if (fsz!=0) memcpy(buffer,lpBuffer,fsz);
2158         else {
2159                 if (dwFlags&MAFA_COMPRESS) dwFlags = dwFlags^MAFA_COMPRESS;
2160                 if (dwFlags&MAFA_COMPRESS2) dwFlags = dwFlags^MAFA_COMPRESS2;
2161                 if (dwFlags&MAFA_ENCRYPT) dwFlags = dwFlags^MAFA_ENCRYPT;
2162                 if (dwFlags&MAFA_MODCRYPTKEY) dwFlags = dwFlags^MAFA_MODCRYPTKEY;
2163         }
2164         DWORD i;
2165         DWORD *dwBlkpt = (DWORD *)SFAlloc((TotalBlocks+1)*4);
2166
2167         if (dwBlkpt==0) {
2168                 SFFree(buffer);
2169                 return FALSE;
2170         }
2171         if ((dwFlags & MAFA_COMPRESS)==MAFA_COMPRESS || (dwFlags & MAFA_COMPRESS2)==MAFA_COMPRESS2)
2172         {
2173                 DWORD dwCompressionSubType = 0;
2174
2175                 if ((dwCompressionType&0x40 || dwCompressionType&0x80) && (memcmp(buffer,ID_RIFF,4)!=0 || memcmp(buffer+8,ID_WAVE,8)!=0 || buffer[20]!=1 || buffer[34]!=16)) {
2176                         dwCompressionType = 0x08;
2177                         dwCompressLevel = 0;
2178                 }
2179                 if (dwCompressionType&0x40 || dwCompressionType&0x80) {
2180                         switch (dwCompressLevel) {
2181                                 case MAWA_QUALITY_HIGH:
2182                                         dwCompressLevel = 1;
2183                                         break;
2184                                 case MAWA_QUALITY_LOW:
2185                                         dwCompressLevel = 3;
2186                                         break;
2187                                 default:
2188                                         dwCompressLevel = 0;
2189                         }
2190                 }
2191                 else if (dwCompressionType&0x01 || dwCompressionType&0x08 || ((dwFlags & MAFA_COMPRESS)!=MAFA_COMPRESS && (dwFlags & MAFA_COMPRESS2)==MAFA_COMPRESS2)) {
2192                         dwCompressionSubType = dwCompressLevel;
2193                         dwCompressLevel = 0;
2194                 }
2195                 else if (dwCompressionType&0x02) {
2196                         dwCompressionSubType = 1;
2197                 }
2198
2199                 DWORD LastOffset=ptsz;
2200                 BYTE *compbuffer = (BYTE *)SFAlloc(blockSize);
2201                 if (compbuffer==0) {
2202                         SFFree(dwBlkpt);
2203                         SFFree(buffer);
2204                         return FALSE;
2205                 }
2206
2207                 char *outbuffer = (char *)SFAlloc(blockSize);
2208                 if (outbuffer==0) {
2209                         SFFree(compbuffer);
2210                         SFFree(dwBlkpt);
2211                         SFFree(buffer);
2212                         return FALSE;
2213                 }
2214                 char *newbuffer = (char *)SFAlloc(fsz+ptsz);
2215                 if (newbuffer==0) {
2216                         SFFree(outbuffer);
2217                         SFFree(compbuffer);
2218                         SFFree(dwBlkpt);
2219                         SFFree(buffer);
2220                         return FALSE;
2221                 }
2222                 DWORD CurPos=0;
2223                 for (i=0;i<TotalBlocks;i++) {
2224                         dwBlkpt[i] = LastOffset;
2225                         if (i==TotalBlocks-1 && (ucfsz % blockSize)!=0) blockSize=ucfsz % blockSize;
2226                         DWORD outLength=blockSize;
2227                         BYTE *compdata = compbuffer;
2228                         if (dwFlags & MAFA_COMPRESS)
2229                         {
2230                                 memcpy(compdata,(char *)buffer+CurPos,blockSize);
2231                                 if (i==0 && (dwCompressionType&0x40 || dwCompressionType&0x80)) {
2232                                         if (SCompCompress(outbuffer, &outLength, compdata, blockSize, 0x08, 0, 0)==0)
2233                                                 outLength=blockSize;
2234                                 }
2235                                 else
2236                                 {
2237                                         if (dwCompressionType&UNSUPPORTED_COMPRESSION) {
2238                                                 LoadStorm();
2239                                                 if (stormSCompCompress!=0) {
2240                                                         if (stormSCompCompress(outbuffer, &outLength, compdata, blockSize, dwCompressionType, dwCompressionSubType, dwCompressLevel)==0)
2241                                                                 outLength=blockSize;
2242                                                 }
2243                                         }
2244                                         else {
2245                                                 if (SCompCompress(outbuffer, &outLength, compdata, blockSize, dwCompressionType, dwCompressionSubType, dwCompressLevel)==0)
2246                                                         outLength=blockSize;
2247                                         }
2248                                 }
2249                         }
2250                         else if (dwFlags & MAFA_COMPRESS2)
2251                         {
2252                                 memcpy(compdata,(char *)buffer+CurPos,blockSize);
2253                                 if (SCompCompress(outbuffer, &outLength, compdata, blockSize, 0x08, dwCompressionSubType, 0)==0) {
2254                                         outLength=blockSize;
2255                                 }
2256                                 else {
2257                                         outbuffer++;
2258                                         outLength--;
2259                                 }
2260                         }
2261                         else
2262                         {
2263                                 memcpy(compdata,(char *)buffer+CurPos,blockSize);
2264                         }
2265                         if (outLength>=blockSize)
2266                         {
2267                                 memcpy((char *)newbuffer+LastOffset,compdata,blockSize);
2268                                 LastOffset+=blockSize;
2269                         }
2270                         else {
2271                                 memcpy((char *)newbuffer+LastOffset,outbuffer,outLength);
2272                                 LastOffset+=outLength;
2273                         }
2274                         CurPos += blockSize;
2275                 }
2276                 fsz = LastOffset;
2277                 dwBlkpt[TotalBlocks] = fsz;
2278                 memcpy(newbuffer,dwBlkpt,ptsz);
2279                 SFFree(outbuffer);
2280                 SFFree(compbuffer);
2281                 memcpy(buffer,newbuffer,fsz);
2282                 SFFree(newbuffer);
2283         }
2284         else
2285         {
2286                 for (i=0;i<TotalBlocks+1;i++) {
2287                         if (i<TotalBlocks) dwBlkpt[i] = i * blockSize;
2288                         else dwBlkpt[i] = ucfsz;
2289                 }
2290         }
2291         if (IsBNcache==TRUE)
2292         {
2293                 buffer = hbuffer;
2294                 fsz += 324;
2295         }
2296         HASHTABLEENTRY *hashEntry = (HASHTABLEENTRY *)hFile;
2297
2298         BOOL IsNewBlockEntry = FALSE;DWORD OldBlockTableSize = sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize;
2299         if ((hashEntry->dwBlockTableIndex&0xFFFFFFFE)==0xFFFFFFFE)
2300         {
2301                 BLOCKTABLEENTRY *lpnBlockTable;
2302                 lpnBlockTable = (BLOCKTABLEENTRY *)SFAlloc(sizeof(BLOCKTABLEENTRY) * (mpqOpenArc->MpqHeader.dwBlockTableSize + 1));
2303                 if(lpnBlockTable==0) {
2304                         SFFree(buffer);
2305                         return FALSE;
2306                 }
2307                 if (mpqOpenArc->lpBlockTable!=0) memcpy(lpnBlockTable,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
2308                 mpqOpenArc->MpqHeader.dwBlockTableSize++;
2309                 if (mpqOpenArc->lpBlockTable!=0) SFFree(mpqOpenArc->lpBlockTable);
2310                 mpqOpenArc->lpBlockTable = lpnBlockTable;
2311                 IsNewBlockEntry = TRUE;
2312         }
2313         DWORD BlockIndex = mpqOpenArc->MpqHeader.dwBlockTableSize - 1;
2314         if ((hashEntry->dwBlockTableIndex&0xFFFFFFFE)==0xFFFFFFFE)
2315         {
2316                 hashEntry->dwNameHashA = HashString(lpFileName,HASH_NAME_A);
2317                 hashEntry->dwNameHashB = HashString(lpFileName,HASH_NAME_B);
2318                 hashEntry->lcLocale = LocaleID;
2319                 hashEntry->dwBlockTableIndex = BlockIndex;
2320                 mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset = 0;
2321         }
2322         else
2323         {
2324                 BlockIndex = hashEntry->dwBlockTableIndex;
2325         }
2326         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset==0 || mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize<fsz)
2327         {
2328                 if (mpqOpenArc->MpqHeader.dwHashTableOffset+(mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY))+OldBlockTableSize==mpqOpenArc->MpqHeader.dwMPQSize)
2329                 {
2330                         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize==mpqOpenArc->MpqHeader.dwHashTableOffset)
2331                         {
2332                                 mpqOpenArc->MpqHeader.dwHashTableOffset += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
2333                                 mpqOpenArc->MpqHeader.dwBlockTableOffset += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
2334                                 mpqOpenArc->MpqHeader.dwMPQSize += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
2335                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2336                         }
2337                         else
2338                         {
2339                                 mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset = mpqOpenArc->MpqHeader.dwHashTableOffset;
2340                                 mpqOpenArc->MpqHeader.dwHashTableOffset += fsz;
2341                                 mpqOpenArc->MpqHeader.dwBlockTableOffset += fsz;
2342                                 mpqOpenArc->MpqHeader.dwMPQSize += fsz;
2343                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2344                         }
2345                 }
2346                 else if (mpqOpenArc->MpqHeader.dwBlockTableOffset+OldBlockTableSize==mpqOpenArc->MpqHeader.dwMPQSize)
2347                 {
2348                         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize==mpqOpenArc->MpqHeader.dwBlockTableOffset)
2349                         {
2350                                 mpqOpenArc->MpqHeader.dwBlockTableOffset += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
2351                                 mpqOpenArc->MpqHeader.dwMPQSize += fsz-mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize;
2352                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2353                         }
2354                         else
2355                         {
2356                                 mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset = mpqOpenArc->MpqHeader.dwBlockTableOffset;
2357                                 mpqOpenArc->MpqHeader.dwBlockTableOffset += fsz;
2358                                 mpqOpenArc->MpqHeader.dwMPQSize += fsz;
2359                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2360                         }
2361                 }
2362                 else
2363                 {
2364                         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize==mpqOpenArc->MpqHeader.dwMPQSize)
2365                         {
2366                                 mpqOpenArc->MpqHeader.dwBlockTableOffset = mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+fsz;
2367                                 mpqOpenArc->MpqHeader.dwMPQSize = mpqOpenArc->MpqHeader.dwBlockTableOffset+OldBlockTableSize;
2368                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2369                         }
2370                         else
2371                         {
2372                                 mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset = mpqOpenArc->MpqHeader.dwMPQSize;
2373                                 mpqOpenArc->MpqHeader.dwBlockTableOffset = mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+fsz;
2374                                 mpqOpenArc->MpqHeader.dwMPQSize = mpqOpenArc->MpqHeader.dwBlockTableOffset+OldBlockTableSize;
2375                                 if (IsNewBlockEntry==TRUE) mpqOpenArc->MpqHeader.dwMPQSize += sizeof(BLOCKTABLEENTRY);
2376                         }
2377                 }
2378         }
2379         mpqOpenArc->lpBlockTable[BlockIndex].dwCompressedSize = fsz;
2380         mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize = ucfsz;
2381         mpqOpenArc->lpBlockTable[BlockIndex].dwFlags = dwFlags|MAFA_EXISTS;
2382         DWORD dwFileOffset = mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset;
2383         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart,0,FILE_BEGIN);
2384         WriteFile(mpqOpenArc->hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0);
2385         if (dwFlags & MAFA_ENCRYPT) {
2386                 DWORD dwCryptKey;
2387                 if (dwFlags&MAFA_ENCRYPT) dwCryptKey = HashString(lpFileName,HASH_KEY);
2388                 if (dwFlags&MAFA_MODCRYPTKEY) dwCryptKey = (dwCryptKey + mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset) ^ mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize;
2389                 DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
2390                 DWORD TotalBlocks = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize / blockSize;
2391
2392                 if(mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize % blockSize)
2393                         TotalBlocks++;
2394                 DWORD dwBlockEnd = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize % blockSize;
2395                 if (dwBlockEnd==0) dwBlockEnd = blockSize;
2396                 if ((dwFlags & MAFA_COMPRESS)==MAFA_COMPRESS || (dwFlags & MAFA_COMPRESS2)==MAFA_COMPRESS2) {
2397                         EncryptData((LPBYTE)buffer,ptsz,dwCryptKey-1);
2398                 }
2399                 for (DWORD i=0;i<TotalBlocks;i++) {
2400                         EncryptData((LPBYTE)buffer+dwBlkpt[i],dwBlkpt[i+1]-dwBlkpt[i],dwCryptKey);
2401                         dwCryptKey++;
2402                 }
2403         }
2404         SFFree(dwBlkpt);
2405         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+dwFileOffset,0,FILE_BEGIN);
2406         WriteFile(mpqOpenArc->hFile,buffer,fsz,&tsz,0);
2407         SFFree(buffer);
2408         buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2409         if (buffer!=0) {
2410                 memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2411                 EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2412                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
2413                 WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
2414                 SFFree(buffer);
2415         }
2416         else {
2417                 EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2418                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
2419                 WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
2420                 DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2421         }
2422         buffer = (char *)SFAlloc(sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
2423         if (buffer!=0) {
2424                 memcpy(buffer,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
2425                 EncryptData((LPBYTE)buffer,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
2426                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
2427                 WriteFile(mpqOpenArc->hFile,buffer,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0);
2428                 SFFree(buffer);
2429         }
2430         else {
2431                 EncryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
2432                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
2433                 WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,&tsz,0);
2434                 DecryptData((LPBYTE)mpqOpenArc->lpBlockTable,sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize,dwBlockTableKey);
2435         }
2436         AddToInternalListing(hMPQ,lpFileName);
2437         return TRUE;
2438 }
2439
2440 BOOL SFMPQAPI WINAPI MpqAddFileFromBuffer(MPQHANDLE hMPQ, LPVOID lpBuffer, DWORD dwLength, LPCSTR lpFileName, DWORD dwFlags)
2441 {
2442         return MpqAddFileFromBufferEx(hMPQ,lpBuffer,dwLength,lpFileName,dwFlags,0x08,0);
2443 }
2444
2445 BOOL SFMPQAPI WINAPI MpqAddWaveFromBuffer(MPQHANDLE hMPQ, LPVOID lpBuffer, DWORD dwLength, LPCSTR lpFileName, DWORD dwFlags, DWORD dwQuality)
2446 {
2447         return MpqAddFileFromBufferEx(hMPQ,lpBuffer,dwLength,lpFileName,dwFlags,0x81,dwQuality);
2448 }
2449
2450 BOOL SFMPQAPI WINAPI MpqRenameFile(MPQHANDLE hMPQ, LPCSTR lpcOldFileName, LPCSTR lpcNewFileName)
2451 {
2452         return MpqRenameAndSetFileLocale(hMPQ,lpcOldFileName,lpcNewFileName,LocaleID,LocaleID);
2453 }
2454
2455 BOOL SFMPQAPI WINAPI MpqRenameAndSetFileLocale(MPQHANDLE hMPQ, LPCSTR lpcOldFileName, LPCSTR lpcNewFileName, LCID nOldLocale, LCID nNewLocale)
2456 {
2457         if (!hMPQ || !lpcOldFileName || !lpcNewFileName) {
2458                 SetLastError(ERROR_INVALID_PARAMETER);
2459                 return FALSE;
2460         }
2461         if (!*lpcNewFileName) {
2462                 SetLastError(ERROR_INVALID_PARAMETER);
2463                 return FALSE;
2464         }
2465
2466         if (!(((MPQARCHIVE *)hMPQ)->dwFlags&SFILE_OPEN_ALLOW_WRITE)) {
2467                 SetLastError(ERROR_ACCESS_DENIED);
2468                 return FALSE;
2469         }
2470         if (stricmp(lpcOldFileName,lpcNewFileName)==0) {
2471                 SetLastError(ERROR_INVALID_PARAMETER);
2472                 return FALSE;
2473         }
2474         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
2475         HASHTABLEENTRY *oldHashEntry = (HASHTABLEENTRY *)GetHashTableEntry(hMPQ,lpcOldFileName,nOldLocale);
2476         if (oldHashEntry==0) {
2477                 SetLastError(MPQ_ERROR_FILE_NOT_FOUND);
2478                 return FALSE;
2479         }
2480         if (oldHashEntry->lcLocale!=nOldLocale) {
2481                 SetLastError(MPQ_ERROR_FILE_NOT_FOUND);
2482                 return FALSE;
2483         }
2484         HASHTABLEENTRY *newHashEntry = (HASHTABLEENTRY *)GetFreeHashTableEntry(hMPQ,lpcNewFileName,nNewLocale,TRUE);
2485         if ((newHashEntry->dwBlockTableIndex&0xFFFFFFFE)!=0xFFFFFFFE)
2486                 return FALSE;
2487         if (newHashEntry==0) newHashEntry = oldHashEntry;
2488         DWORD tsz;
2489         newHashEntry->dwNameHashA = HashString(lpcNewFileName,HASH_NAME_A);
2490         newHashEntry->dwNameHashB = HashString(lpcNewFileName,HASH_NAME_B);
2491         newHashEntry->lcLocale = nNewLocale;
2492         newHashEntry->dwBlockTableIndex = oldHashEntry->dwBlockTableIndex;
2493         DWORD BlockIndex = oldHashEntry->dwBlockTableIndex;
2494         if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_ENCRYPT)
2495         {
2496                 DWORD dwOldCryptKey = HashString(lpcOldFileName,HASH_KEY);
2497                 DWORD dwNewCryptKey = HashString(lpcNewFileName,HASH_KEY);
2498                 if (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_MODCRYPTKEY) {
2499                         dwOldCryptKey = (dwOldCryptKey + mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset) ^ mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize;
2500
2501                         dwNewCryptKey = (dwNewCryptKey + mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset) ^ mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize;
2502                 }
2503                 if (dwOldCryptKey!=dwNewCryptKey)
2504                 {
2505                         DWORD HeaderLength=0;
2506                         if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
2507                         {
2508                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset,0,FILE_BEGIN);
2509                                 ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&tsz,0);
2510
2511                         }
2512                         DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
2513                         DWORD TotalBlocks = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize / blockSize;
2514                         if(mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize % blockSize)
2515                                 TotalBlocks++;
2516                         DWORD *dwBlockPtrTable = (DWORD *)SFAlloc((TotalBlocks+1)*4);
2517                         if (dwBlockPtrTable==0) {
2518                                 return FALSE;
2519                         }
2520                         DWORD i;
2521                         if ((mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS)==MAFA_COMPRESS || (mpqOpenArc->lpBlockTable[BlockIndex].dwFlags & MAFA_COMPRESS2)==MAFA_COMPRESS2)
2522                         {
2523                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
2524                                 ReadFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
2525                                 DecryptData((LPBYTE)dwBlockPtrTable,(TotalBlocks+1)*4,dwOldCryptKey-1);
2526                                 char *EncryptedTable = (char *)SFAlloc((TotalBlocks+1)*4);
2527                                 if (EncryptedTable==0) {
2528                                         SFFree(dwBlockPtrTable);
2529                                         return FALSE;
2530                                 }
2531                                 memcpy(EncryptedTable,dwBlockPtrTable,(TotalBlocks+1)*4);
2532                                 EncryptData((LPBYTE)EncryptedTable,(TotalBlocks+1)*4,dwNewCryptKey-1);
2533                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
2534                                 WriteFile(mpqOpenArc->hFile,EncryptedTable,(TotalBlocks+1)*4,&tsz,0);
2535                                 SFFree(EncryptedTable);
2536                         }
2537                         else
2538                         {
2539                                 for (i=0;i<TotalBlocks+1;i++) {
2540                                         if (i<TotalBlocks) dwBlockPtrTable[i] = i * blockSize;
2541                                         else dwBlockPtrTable[i] = mpqOpenArc->lpBlockTable[BlockIndex].dwFullSize;
2542                                 }
2543                         }
2544                         char *blkBuffer = (char *)SFAlloc(blockSize);
2545                         if (blkBuffer==0) {
2546                                 EncryptData((LPBYTE)dwBlockPtrTable,(TotalBlocks+1)*4,dwOldCryptKey-1);
2547                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
2548                                 WriteFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
2549                                 SFFree(dwBlockPtrTable);
2550                                 return FALSE;
2551                         }
2552                         for (i=0;i<TotalBlocks;i++) {
2553                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+dwBlockPtrTable[i],0,FILE_BEGIN);
2554                                 if (ReadFile(mpqOpenArc->hFile,blkBuffer,dwBlockPtrTable[i+1]-dwBlockPtrTable[i],&tsz,0)==0) {
2555                                         EncryptData((LPBYTE)dwBlockPtrTable,(TotalBlocks+1)*4,dwOldCryptKey-1);
2556                                         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
2557                                         WriteFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
2558                                         SFFree(dwBlockPtrTable);
2559                                         SFFree(blkBuffer);
2560                                         return FALSE;
2561                                 }
2562                                 DecryptData((LPBYTE)blkBuffer,dwBlockPtrTable[i+1]-dwBlockPtrTable[i],dwOldCryptKey+i);
2563                                 EncryptData((LPBYTE)blkBuffer,dwBlockPtrTable[i+1]-dwBlockPtrTable[i],dwNewCryptKey+i);
2564                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[BlockIndex].dwFileOffset+HeaderLength+dwBlockPtrTable[i],0,FILE_BEGIN);
2565                                 WriteFile(mpqOpenArc->hFile,blkBuffer,dwBlockPtrTable[i+1]-dwBlockPtrTable[i],&tsz,0);
2566                         }
2567                         SFFree(dwBlockPtrTable);
2568                         SFFree(blkBuffer);
2569                 }
2570         }
2571         if (oldHashEntry!=newHashEntry) {
2572                 oldHashEntry->dwNameHashA = 0xFFFFFFFF;
2573                 oldHashEntry->dwNameHashB = 0xFFFFFFFF;
2574                 oldHashEntry->lcLocale = 0xFFFFFFFF;
2575                 oldHashEntry->dwBlockTableIndex = 0xFFFFFFFE;
2576                 char *buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2577                 if (buffer!=0) {
2578                         memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2579                         EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2580                         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
2581                         WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
2582                         SFFree(buffer);
2583                 }
2584                 else {
2585                         EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2586                         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
2587                         WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
2588                         DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2589                 }
2590         }
2591         LCID dwOldLocale=LocaleID;
2592         LocaleID=nOldLocale;
2593         RemoveFromInternalListing(hMPQ,lpcOldFileName);
2594
2595         LocaleID=nNewLocale;
2596         AddToInternalListing(hMPQ,lpcNewFileName);
2597         LocaleID=dwOldLocale;
2598         return TRUE;
2599 }
2600
2601 BOOL SFMPQAPI WINAPI MpqDeleteFile(MPQHANDLE hMPQ, LPCSTR lpFileName)
2602 {
2603         return MpqDeleteFileWithLocale(hMPQ,lpFileName,LocaleID);
2604 }
2605
2606 BOOL SFMPQAPI WINAPI MpqDeleteFileWithLocale(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID nLocale)
2607 {
2608         if (!hMPQ || !lpFileName) {
2609                 SetLastError(ERROR_INVALID_PARAMETER);
2610                 return FALSE;
2611         }
2612
2613         if (!(((MPQARCHIVE *)hMPQ)->dwFlags&SFILE_OPEN_ALLOW_WRITE)) {
2614
2615                 SetLastError(ERROR_ACCESS_DENIED);
2616                 return FALSE;
2617         }
2618         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
2619         HASHTABLEENTRY *hashEntry = (HASHTABLEENTRY *)GetHashTableEntry(hMPQ,lpFileName,nLocale);
2620         if (hashEntry==0) {
2621                 SetLastError(MPQ_ERROR_FILE_NOT_FOUND);
2622                 return FALSE;
2623         }
2624         if (hashEntry->lcLocale!=nLocale) return FALSE;
2625         hashEntry->dwNameHashA = 0xFFFFFFFF;
2626         hashEntry->dwNameHashB = 0xFFFFFFFF;
2627         hashEntry->lcLocale = 0xFFFFFFFF;
2628         hashEntry->dwBlockTableIndex = 0xFFFFFFFE;
2629         DWORD tsz;
2630         char *buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2631         if (buffer!=0) {
2632                 memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2633                 EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2634                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
2635
2636                 WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
2637                 SFFree(buffer);
2638         }
2639         else {
2640                 EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2641                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
2642                 WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
2643                 DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
2644         }
2645         LCID dwOldLocale=LocaleID;
2646         LocaleID=nLocale;
2647         RemoveFromInternalListing(hMPQ,lpFileName);
2648         LocaleID=dwOldLocale;
2649         return TRUE;
2650 }
2651
2652 BOOL SFMPQAPI WINAPI MpqCompactArchive(MPQHANDLE hMPQ)
2653 {
2654         if (!hMPQ) {
2655                 SetLastError(ERROR_INVALID_PARAMETER);
2656                 return FALSE;
2657         }
2658
2659         if (!(((MPQARCHIVE *)hMPQ)->dwFlags&SFILE_OPEN_ALLOW_WRITE)) {
2660                 SetLastError(ERROR_ACCESS_DENIED);
2661                 return FALSE;
2662         }
2663         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
2664         TempAlloc NewAlloc;
2665         char *lpFileName = (char *)NewAlloc.Alloc(strlen(mpqOpenArc->lpFileName)+13);
2666         sprintf(lpFileName,"%s.compact",mpqOpenArc->lpFileName);
2667         HANDLE hFile = CreateFile(lpFileName,GENERIC_READ|GENERIC_WRITE,0,0,CREATE_NEW,0,0);
2668         DWORD i;
2669         if (hFile==INVALID_HANDLE_VALUE) {
2670                 for (i=0;i<10000;i++) {
2671                         sprintf(lpFileName,"%s.compact.%04ld",mpqOpenArc->lpFileName,i);
2672
2673                         hFile = CreateFile(lpFileName,GENERIC_READ|GENERIC_WRITE,0,0,CREATE_NEW,0,0);
2674                         if (hFile!=INVALID_HANDLE_VALUE) break;
2675                 }
2676                 if (i==10000) return FALSE;
2677         }
2678         DWORD dwLastOffset = sizeof(MPQHEADER),tsz;
2679         char *buffer = (char *)SFAlloc(65536);
2680         if (buffer==0) {
2681                 CloseHandle(hFile);
2682                 DeleteFile(lpFileName);
2683                 return FALSE;
2684         }
2685         HASHTABLEENTRY *lpHashTable = (HASHTABLEENTRY *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2686         if (lpHashTable==0) {
2687                 SFFree(buffer);
2688                 CloseHandle(hFile);
2689                 DeleteFile(lpFileName);
2690                 return FALSE;
2691         }
2692         BLOCKTABLEENTRY *lpBlockTable = (BLOCKTABLEENTRY *)SFAlloc(sizeof(BLOCKTABLEENTRY) * mpqOpenArc->MpqHeader.dwBlockTableSize);
2693         if(mpqOpenArc->lpBlockTable!=0) {
2694                 if (lpBlockTable==0) {
2695                         SFFree(lpHashTable);
2696                         SFFree(buffer);
2697                         CloseHandle(hFile);
2698                         DeleteFile(lpFileName);
2699
2700                         return FALSE;
2701                 }
2702         }
2703         DWORD j=0,nBlkOffset=0,ReadSize=0;
2704         memcpy(lpHashTable,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
2705         for (i=0;i<mpqOpenArc->MpqHeader.dwBlockTableSize;i++) {
2706                 for (j=0;j<mpqOpenArc->MpqHeader.dwHashTableSize;j++) {
2707                         if (lpHashTable[j].dwBlockTableIndex==(i-nBlkOffset)) break;
2708                 }
2709                 if (j<mpqOpenArc->MpqHeader.dwHashTableSize) {
2710                         memcpy(&lpBlockTable[i-nBlkOffset],&mpqOpenArc->lpBlockTable[i],sizeof(BLOCKTABLEENTRY));
2711                         lpBlockTable[i-nBlkOffset].dwFileOffset = dwLastOffset;
2712                         dwLastOffset += mpqOpenArc->lpBlockTable[i].dwCompressedSize;
2713                         DWORD dwWritten=FALSE;
2714                         if (mpqOpenArc->lpBlockTable[i].dwFlags&MAFA_ENCRYPT && mpqOpenArc->lpBlockTable[i].dwFlags&MAFA_MODCRYPTKEY && (mpqOpenArc->lpBlockTable[i].dwFlags&MAFA_COMPRESS || mpqOpenArc->lpBlockTable[i].dwFlags&MAFA_COMPRESS2))
2715                         {
2716                                 DWORD HeaderLength=0;
2717                                 if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
2718                                 {
2719                                         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset,0,FILE_BEGIN);
2720                                         ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&tsz,0);
2721                                 }
2722                                 DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
2723                                 DWORD TotalBlocks = mpqOpenArc->lpBlockTable[i].dwFullSize / blockSize;
2724                                 if(mpqOpenArc->lpBlockTable[i].dwFullSize % blockSize)
2725                                         TotalBlocks++;
2726                                 DWORD *dwBlockPtrTable = (DWORD *)SFAlloc((TotalBlocks+1)*4);
2727                                 if (dwBlockPtrTable==0) {
2728                                         SFFree(lpBlockTable);
2729                                         SFFree(lpHashTable);
2730                                         SFFree(buffer);
2731                                         CloseHandle(hFile);
2732                                         DeleteFile(lpFileName);
2733                                         return FALSE;
2734                                 }
2735                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+HeaderLength,0,FILE_BEGIN);
2736                                 ReadFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
2737                                 DWORD dwOldCryptKey = DetectFileSeed(dwBlockPtrTable,(TotalBlocks+1)*4,blockSize);
2738                                 DWORD dwNewCryptKey = (dwOldCryptKey ^ mpqOpenArc->lpBlockTable[i].dwFullSize) - mpqOpenArc->lpBlockTable[i].dwFileOffset;
2739                                 dwNewCryptKey = (dwNewCryptKey + lpBlockTable[i-nBlkOffset].dwFileOffset) ^ lpBlockTable[i-nBlkOffset].dwFullSize;
2740                                 if (dwOldCryptKey==0) {
2741                                         DWORD dwNameHashA = HashString(INTERNAL_LISTFILE,HASH_NAME_A);
2742                                         DWORD dwNameHashB = HashString(INTERNAL_LISTFILE,HASH_NAME_B);
2743                                         if (lpHashTable[j].dwNameHashA==dwNameHashA && lpHashTable[j].dwNameHashB==dwNameHashB) {
2744                                                 dwOldCryptKey = HashString(INTERNAL_LISTFILE,HASH_KEY);
2745                                                 dwNewCryptKey = dwOldCryptKey;
2746                                                 dwOldCryptKey = (dwOldCryptKey + mpqOpenArc->lpBlockTable[i].dwFileOffset) ^ mpqOpenArc->lpBlockTable[i].dwFullSize;
2747                                                 dwNewCryptKey = (dwNewCryptKey + lpBlockTable[i-nBlkOffset].dwFileOffset) ^ lpBlockTable[i-nBlkOffset].dwFullSize;
2748                                         }
2749                                         else {
2750                                                 HANDLE hlFile;
2751                                                 DWORD fsz;
2752                                                 char *listbuffer;
2753                                                 LCID lcOldLocale = LocaleID;
2754                                                 for (DWORD lcn=0;lcn<nLocales;lcn++) {
2755                                                         LocaleID = availLocales[lcn];
2756                                                         if (SFileOpenFileEx(hMPQ,INTERNAL_LISTFILE,0,&hlFile)!=0) {
2757                                                                 if (((MPQFILE *)hlFile)->lpHashEntry->lcLocale==0 && LocaleID!=0) {
2758
2759                                                                         SFileCloseFile(hlFile);
2760                                                                         continue;
2761                                                                 }
2762                                                                 fsz = SFileGetFileSize(hlFile,0);
2763                                                                 if (fsz>0) {
2764                                                                         listbuffer = (char *)SFAlloc(fsz+1);
2765                                                                         if (listbuffer==0) {
2766                                                                                 SFileCloseFile(hlFile);
2767                                                                                 continue;
2768                                                                         }
2769                                                                         if (SFileReadFile(hlFile,listbuffer,fsz,0,0)==0) {
2770                                                                                 SFFree(listbuffer);
2771                                                                                 listbuffer = 0;
2772                                                                         }
2773                                                                 }
2774                                                                 SFileCloseFile(hlFile);
2775                                                                 if (listbuffer!=0) {
2776                                                                         char *listline;
2777                                                                         for (listline=listbuffer;listline!=0;listline=nextline(listline)) {
2778                                                                                 if (listline[0]==0) break;
2779                                                                                 DWORD lnlen=strlnlen(listline);
2780                                                                                 char prevchar=listline[lnlen];
2781                                                                                 listline[lnlen]=0;
2782                                                                                 dwNameHashA = HashString(listline,HASH_NAME_A);
2783                                                                                 dwNameHashB = HashString(listline,HASH_NAME_B);
2784                                                                                 if (lpHashTable[j].dwNameHashA==dwNameHashA && lpHashTable[j].dwNameHashB==dwNameHashB) {
2785                                                                                         dwOldCryptKey = HashString(listline,HASH_KEY);
2786                                                                                         dwNewCryptKey = dwOldCryptKey;
2787                                                                                         dwOldCryptKey = (dwOldCryptKey + mpqOpenArc->lpBlockTable[i].dwFileOffset) ^ mpqOpenArc->lpBlockTable[i].dwFullSize;
2788                                                                                         dwNewCryptKey = (dwNewCryptKey + lpBlockTable[i-nBlkOffset].dwFileOffset) ^ lpBlockTable[i-nBlkOffset].dwFullSize;
2789                                                                                         break;
2790                                                                                 }
2791                                                                                 listline[lnlen]=prevchar;
2792                                                                         }
2793                                                                         if (listline!=0) {
2794                                                                                 if (listline[0]!=0) {
2795                                                                                         SFFree(listbuffer);
2796                                                                                         break;
2797                                                                                 }
2798                                                                         }
2799                                                                         SFFree(listbuffer);
2800                                                                 }
2801                                                         }
2802                                                 }
2803                                                 LocaleID = lcOldLocale;
2804                                         }
2805                                 }
2806                                 if (dwOldCryptKey!=dwNewCryptKey)
2807                                 {
2808                                         DecryptData((LPBYTE)dwBlockPtrTable,(TotalBlocks+1)*4,dwOldCryptKey-1);
2809                                         char *EncryptedTable = (char *)SFAlloc((TotalBlocks+1)*4);
2810                                         if (EncryptedTable==0) {
2811                                                 SFFree(dwBlockPtrTable);
2812                                                 SFFree(lpBlockTable);
2813                                                 SFFree(lpHashTable);
2814                                                 SFFree(buffer);
2815                                                 CloseHandle(hFile);
2816                                                 DeleteFile(lpFileName);
2817                                                 return FALSE;
2818                                         }
2819                                         memcpy(EncryptedTable,dwBlockPtrTable,(TotalBlocks+1)*4);
2820                                         EncryptData((LPBYTE)EncryptedTable,(TotalBlocks+1)*4,dwNewCryptKey-1);
2821                                         SetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+HeaderLength,0,FILE_BEGIN);
2822                                         WriteFile(hFile,EncryptedTable,(TotalBlocks+1)*4,&tsz,0);
2823                                         SFFree(EncryptedTable);
2824                                         char *blkBuffer = (char *)SFAlloc(blockSize);
2825                                         if (blkBuffer==0) {
2826                                                 SFFree(dwBlockPtrTable);
2827                                                 SFFree(lpBlockTable);
2828                                                 SFFree(lpHashTable);
2829                                                 SFFree(buffer);
2830                                                 CloseHandle(hFile);
2831                                                 DeleteFile(lpFileName);
2832                                                 return FALSE;
2833                                         }
2834                                         for (DWORD k=0;k<TotalBlocks;k++) {
2835                                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+HeaderLength+dwBlockPtrTable[k],0,FILE_BEGIN);
2836                                                 if (ReadFile(mpqOpenArc->hFile,blkBuffer,dwBlockPtrTable[k+1]-dwBlockPtrTable[k],&tsz,0)==0) {
2837                                                         SFFree(dwBlockPtrTable);
2838                                                         SFFree(blkBuffer);
2839                                                         SFFree(lpBlockTable);
2840                                                         SFFree(lpHashTable);
2841                                                         SFFree(buffer);
2842                                                         CloseHandle(hFile);
2843                                                         DeleteFile(lpFileName);
2844                                                         return FALSE;
2845                                                 }
2846                                                 DecryptData((LPBYTE)blkBuffer,dwBlockPtrTable[k+1]-dwBlockPtrTable[k],dwOldCryptKey+k);
2847                                                 EncryptData((LPBYTE)blkBuffer,dwBlockPtrTable[k+1]-dwBlockPtrTable[k],dwNewCryptKey+k);
2848                                                 SetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+HeaderLength+dwBlockPtrTable[k],0,FILE_BEGIN);
2849                                                 WriteFile(hFile,blkBuffer,dwBlockPtrTable[k+1]-dwBlockPtrTable[k],&tsz,0);
2850                                         }
2851                                         SFFree(blkBuffer);
2852                                         dwWritten = TRUE;
2853                                 }
2854                                 SFFree(dwBlockPtrTable);
2855                         }
2856                         else if (mpqOpenArc->lpBlockTable[i].dwFlags&MAFA_ENCRYPT && mpqOpenArc->lpBlockTable[i].dwFlags&MAFA_MODCRYPTKEY)
2857                         {
2858                                 DWORD HeaderLength=0;
2859                                 if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
2860
2861                                 {
2862                                         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset,0,FILE_BEGIN);
2863                                         ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&tsz,0);
2864                                 }
2865                                 DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
2866                                 DWORD TotalBlocks = mpqOpenArc->lpBlockTable[i].dwFullSize / blockSize;
2867                                 if(mpqOpenArc->lpBlockTable[i].dwFullSize % blockSize)
2868                                         TotalBlocks++;
2869                                 DWORD dwNameHashA = HashString(INTERNAL_LISTFILE,HASH_NAME_A);
2870                                 DWORD dwNameHashB = HashString(INTERNAL_LISTFILE,HASH_NAME_B);
2871                                 DWORD dwOldCryptKey=0;
2872                                 DWORD dwNewCryptKey=0;
2873                                 if (lpHashTable[j].dwNameHashA==dwNameHashA && lpHashTable[j].dwNameHashB==dwNameHashB) {
2874                                         dwOldCryptKey = HashString(INTERNAL_LISTFILE,HASH_KEY);
2875                                         dwNewCryptKey = dwOldCryptKey;
2876                                         dwOldCryptKey = (dwOldCryptKey + mpqOpenArc->lpBlockTable[i].dwFileOffset) ^ mpqOpenArc->lpBlockTable[i].dwFullSize;
2877                                         dwNewCryptKey = (dwNewCryptKey + lpBlockTable[i-nBlkOffset].dwFileOffset) ^ lpBlockTable[i-nBlkOffset].dwFullSize;
2878                                 }
2879                                 else {
2880                                         HANDLE hlFile;
2881                                         DWORD fsz;
2882
2883                                         char *listbuffer;
2884                                         LCID lcOldLocale = LocaleID;
2885                                         for (DWORD lcn=0;lcn<nLocales;lcn++) {
2886                                                 LocaleID = availLocales[lcn];
2887                                                 if (SFileOpenFileEx(hMPQ,INTERNAL_LISTFILE,0,&hlFile)!=0) {
2888                                                         if (((MPQFILE *)hlFile)->lpHashEntry->lcLocale==0 && LocaleID!=0) {
2889                                                                 SFileCloseFile(hlFile);
2890                                                                 continue;
2891                                                         }
2892                                                         fsz = SFileGetFileSize(hlFile,0);
2893                                                         if (fsz>0) {
2894                                                                 listbuffer = (char *)SFAlloc(fsz+1);
2895                                                                 if (listbuffer==0) {
2896                                                                         SFileCloseFile(hlFile);
2897                                                                         continue;
2898                                                                 }
2899                                                                 if (SFileReadFile(hlFile,listbuffer,fsz,0,0)==0) {
2900                                                                         SFFree(listbuffer);
2901                                                                         listbuffer = 0;
2902                                                                 }
2903                                                         }
2904                                                         SFileCloseFile(hlFile);
2905                                                         if (listbuffer!=0) {
2906                                                                 char *listline;
2907                                                                 for (listline=listbuffer;listline!=0;listline=nextline(listline)) {
2908                                                                         if (listline[0]==0) break;
2909                                                                         DWORD lnlen=strlnlen(listline);
2910                                                                         char prevchar=listline[lnlen];
2911                                                                         listline[lnlen]=0;
2912                                                                         dwNameHashA = HashString(listline,HASH_NAME_A);
2913                                                                         dwNameHashB = HashString(listline,HASH_NAME_B);
2914                                                                         if (lpHashTable[j].dwNameHashA==dwNameHashA && lpHashTable[j].dwNameHashB==dwNameHashB) {
2915                                                                                 dwOldCryptKey = HashString(listline,HASH_KEY);
2916                                                                                 dwNewCryptKey = dwOldCryptKey;
2917                                                                                 dwOldCryptKey = (dwOldCryptKey + mpqOpenArc->lpBlockTable[i].dwFileOffset) ^ mpqOpenArc->lpBlockTable[i].dwFullSize;
2918                                                                                 dwNewCryptKey = (dwNewCryptKey + lpBlockTable[i-nBlkOffset].dwFileOffset) ^ lpBlockTable[i-nBlkOffset].dwFullSize;
2919                                                                                 break;
2920                                                                         }
2921                                                                         listline[lnlen]=prevchar;
2922                                                                 }
2923                                                                 if (listline!=0) {
2924                                                                         if (listline[0]!=0) {
2925                                                                                 SFFree(listbuffer);
2926                                                                                 break;
2927                                                                         }
2928                                                                 }
2929                                                                 SFFree(listbuffer);
2930                                                         }
2931                                                 }
2932                                         }
2933                                         LocaleID = lcOldLocale;
2934                                 }
2935                                 if (dwOldCryptKey!=dwNewCryptKey)
2936                                 {
2937                                         char *blkBuffer = (char *)SFAlloc(blockSize);
2938                                         if (blkBuffer==0) {
2939                                                 SFFree(lpBlockTable);
2940                                                 SFFree(lpHashTable);
2941                                                 SFFree(buffer);
2942                                                 CloseHandle(hFile);
2943                                                 DeleteFile(lpFileName);
2944                                                 return FALSE;
2945                                         }
2946                                         for (DWORD k=0;k<mpqOpenArc->lpBlockTable[i].dwFullSize;k+=blockSize) {
2947                                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+HeaderLength+k,0,FILE_BEGIN);
2948                                                 if (k+blockSize>mpqOpenArc->lpBlockTable[i].dwFullSize) blockSize = mpqOpenArc->lpBlockTable[i].dwFullSize % blockSize;
2949                                                 if (ReadFile(mpqOpenArc->hFile,blkBuffer,blockSize,&tsz,0)==0) {
2950                                                         SFFree(blkBuffer);
2951                                                         SFFree(lpBlockTable);
2952                                                         SFFree(lpHashTable);
2953                                                         SFFree(buffer);
2954                                                         CloseHandle(hFile);
2955                                                         DeleteFile(lpFileName);
2956                                                         return FALSE;
2957
2958                                                 }
2959                                                 DecryptData((LPBYTE)blkBuffer,blockSize,dwOldCryptKey+k);
2960                                                 EncryptData((LPBYTE)blkBuffer,blockSize,dwNewCryptKey+k);
2961                                                 SetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+HeaderLength+k,0,FILE_BEGIN);
2962                                                 WriteFile(hFile,blkBuffer,blockSize,&tsz,0);
2963                                         }
2964                                         SFFree(blkBuffer);
2965                                         dwWritten = TRUE;
2966                                 }
2967                         }
2968                         if (dwWritten==FALSE) {
2969                                 ReadSize = 65536;
2970                                 for (j=0;j<mpqOpenArc->lpBlockTable[i].dwCompressedSize;j+=65536) {
2971                                         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[i].dwFileOffset+j,0,FILE_BEGIN);
2972                                         SetFilePointer(hFile,lpBlockTable[i-nBlkOffset].dwFileOffset+j,0,FILE_BEGIN);
2973                                         if (j+65536>mpqOpenArc->lpBlockTable[i].dwCompressedSize) ReadSize = mpqOpenArc->lpBlockTable[i].dwCompressedSize-j;
2974                                         if (ReadFile(mpqOpenArc->hFile,buffer,ReadSize,&tsz,0)==0) {
2975                                                 SFFree(lpBlockTable);
2976                                                 SFFree(lpHashTable);
2977                                                 SFFree(buffer);
2978                                                 CloseHandle(hFile);
2979                                                 DeleteFile(lpFileName);
2980                                                 return FALSE;
2981                                         }
2982                                         if (WriteFile(hFile,buffer,ReadSize,&tsz,0)==0) {
2983                                                 SFFree(lpBlockTable);
2984                                                 SFFree(lpHashTable);
2985                                                 SFFree(buffer);
2986                                                 CloseHandle(hFile);
2987                                                 DeleteFile(lpFileName);
2988                                                 return FALSE;
2989                                         }
2990                                 }
2991                         }
2992                 }
2993                 else {
2994                         for (j=0;j<mpqOpenArc->MpqHeader.dwHashTableSize;j++) {
2995                                 if ((lpHashTable[j].dwBlockTableIndex&0xFFFFFFFE)!=0xFFFFFFFE)
2996                                         if (lpHashTable[j].dwBlockTableIndex>(i-nBlkOffset)) lpHashTable[j].dwBlockTableIndex--;
2997                         }
2998                         nBlkOffset++;
2999                 }
3000         }
3001         mpqOpenArc->MpqHeader.dwBlockTableSize -= nBlkOffset;
3002         mpqOpenArc->MpqHeader.dwHashTableOffset = dwLastOffset;
3003         dwLastOffset += mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY);
3004         mpqOpenArc->MpqHeader.dwBlockTableOffset = dwLastOffset;
3005         dwLastOffset += mpqOpenArc->MpqHeader.dwBlockTableSize * sizeof(BLOCKTABLEENTRY);
3006         mpqOpenArc->MpqHeader.dwMPQSize = dwLastOffset;
3007         SFFree(mpqOpenArc->lpHashTable);
3008         mpqOpenArc->lpHashTable = lpHashTable;
3009         if(mpqOpenArc->lpBlockTable!=0) {
3010                 SFFree(mpqOpenArc->lpBlockTable);
3011                 mpqOpenArc->lpBlockTable = (BLOCKTABLEENTRY *)SFAlloc(mpqOpenArc->MpqHeader.dwBlockTableSize * sizeof(BLOCKTABLEENTRY));
3012                 if (mpqOpenArc->lpBlockTable==0) {
3013                         mpqOpenArc->lpBlockTable = lpBlockTable;
3014                 }
3015                 else {
3016                         memcpy(mpqOpenArc->lpBlockTable,lpBlockTable,mpqOpenArc->MpqHeader.dwBlockTableSize * sizeof(BLOCKTABLEENTRY));
3017                         SFFree(lpBlockTable);
3018                 }
3019         }
3020         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+dwLastOffset,0,FILE_BEGIN);
3021         SetEndOfFile(mpqOpenArc->hFile);
3022         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart,0,FILE_BEGIN);
3023         mpqOpenArc->MpqHeader.dwHeaderSize = sizeof(MPQHEADER);
3024         WriteFile(mpqOpenArc->hFile,&mpqOpenArc->MpqHeader,sizeof(MPQHEADER),&tsz,0);
3025         dwLastOffset = sizeof(MPQHEADER);
3026         ReadSize = 65536;
3027         for (i=dwLastOffset;i<mpqOpenArc->MpqHeader.dwHashTableOffset;i+=65536) {
3028                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+i,0,FILE_BEGIN);
3029                 SetFilePointer(hFile,i,0,FILE_BEGIN);
3030                 if (i+65536>mpqOpenArc->MpqHeader.dwHashTableOffset) ReadSize = mpqOpenArc->MpqHeader.dwHashTableOffset-i;
3031                 ReadFile(hFile,buffer,ReadSize,&tsz,0);
3032                 WriteFile(mpqOpenArc->hFile,buffer,ReadSize,&tsz,0);
3033         }
3034         SFFree(buffer);
3035         CloseHandle(hFile);
3036         DeleteFile(lpFileName);
3037         EncryptData((BYTE *)mpqOpenArc->lpHashTable,mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY),dwHashTableKey);
3038         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
3039         WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY),&tsz,0);
3040         DecryptData((BYTE *)mpqOpenArc->lpHashTable,mpqOpenArc->MpqHeader.dwHashTableSize * sizeof(HASHTABLEENTRY),dwHashTableKey);
3041         if(mpqOpenArc->lpBlockTable!=0) {
3042                 EncryptData((BYTE *)mpqOpenArc->lpBlockTable,mpqOpenArc->MpqHeader.dwBlockTableSize * sizeof(BLOCKTABLEENTRY),dwBlockTableKey);
3043                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwBlockTableOffset,0,FILE_BEGIN);
3044                 WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpBlockTable,mpqOpenArc->MpqHeader.dwBlockTableSize * sizeof(BLOCKTABLEENTRY),&tsz,0);
3045                 DecryptData((BYTE *)mpqOpenArc->lpBlockTable,mpqOpenArc->MpqHeader.dwBlockTableSize * sizeof(BLOCKTABLEENTRY),dwBlockTableKey);
3046         }
3047         return TRUE;
3048 }
3049
3050 BOOL SFMPQAPI WINAPI MpqSetFileLocale(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID nOldLocale, LCID nNewLocale)
3051 {
3052         if (!hMPQ || !lpFileName) {
3053                 SetLastError(ERROR_INVALID_PARAMETER);
3054                 return FALSE;
3055         }
3056
3057         if (!(((MPQARCHIVE *)hMPQ)->dwFlags&SFILE_OPEN_ALLOW_WRITE)) {
3058                 SetLastError(ERROR_ACCESS_DENIED);
3059                 return FALSE;
3060         }
3061         if (nOldLocale==nNewLocale) return FALSE;
3062         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
3063         HASHTABLEENTRY *hashEntry = (HASHTABLEENTRY *)GetHashTableEntry(hMPQ,lpFileName,nOldLocale);
3064         if (hashEntry==0) return FALSE;
3065         if (hashEntry->lcLocale!=nOldLocale) return FALSE;
3066         hashEntry->lcLocale = nNewLocale;
3067         DWORD tsz;
3068
3069         char *buffer = (char *)SFAlloc(sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
3070         if (buffer!=0) {
3071                 memcpy(buffer,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize);
3072                 EncryptData((LPBYTE)buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
3073                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
3074                 WriteFile(mpqOpenArc->hFile,buffer,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
3075                 SFFree(buffer);
3076         }
3077         else {
3078                 EncryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
3079                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->MpqHeader.dwHashTableOffset,0,FILE_BEGIN);
3080                 WriteFile(mpqOpenArc->hFile,mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,&tsz,0);
3081                 DecryptData((LPBYTE)mpqOpenArc->lpHashTable,sizeof(HASHTABLEENTRY) * mpqOpenArc->MpqHeader.dwHashTableSize,dwHashTableKey);
3082         }
3083         LCID dwOldLocale=LocaleID;
3084         LocaleID=nOldLocale;
3085         RemoveFromInternalListing(hMPQ,lpFileName);
3086
3087         LocaleID=nNewLocale;
3088         AddToInternalListing(hMPQ,lpFileName);
3089         LocaleID=dwOldLocale;
3090         return TRUE;
3091 }
3092
3093 DWORD SFMPQAPI WINAPI SFileFindMpqHeader(HANDLE hFile)
3094 {
3095         if (hFile == INVALID_HANDLE_VALUE) {
3096                 SetLastError(ERROR_INVALID_PARAMETER);
3097                 return 0xFFFFFFFF;
3098         }
3099         DWORD FileLen = GetFileSize(hFile,0);
3100         char pbuf[sizeof(MPQHEADER)];
3101         DWORD tsz;
3102         for (DWORD i=0;i<FileLen;i+=512)
3103         {
3104                 SetFilePointer(hFile,i,0,FILE_BEGIN);
3105                 if (ReadFile(hFile,pbuf,sizeof(MPQHEADER),&tsz,0)==0) return 0xFFFFFFFF;
3106                 if (tsz<sizeof(MPQHEADER)) return 0xFFFFFFFF;
3107                 if (memcmp(pbuf,ID_MPQ,4)==0 || memcmp(pbuf,ID_BN3,4)==0)
3108                 {
3109                         // Storm no longer does this, so mpq api shouldn't either
3110                         /*FileLen -= i;
3111                         if (memcmp(pbuf+8,&FileLen,4)==0)
3112                                 return i;
3113                         else
3114                                 FileLen += i;*/
3115                         return i;
3116                 }
3117         }
3118         return 0xFFFFFFFF;
3119 }
3120
3121 DWORD WINAPI FindMpqHeaderAtLocation(HANDLE hFile, DWORD dwStart, DWORD dwLength)
3122 {
3123         if (hFile == INVALID_HANDLE_VALUE) {
3124                 SetLastError(ERROR_INVALID_PARAMETER);
3125                 return 0xFFFFFFFF;
3126         }
3127         char pbuf[sizeof(MPQHEADER)];
3128         DWORD tsz;
3129         for (DWORD i=dwStart;i<dwStart+dwLength;i+=512)
3130         {
3131                 SetFilePointer(hFile,i,0,FILE_BEGIN);
3132                 if (ReadFile(hFile,pbuf,sizeof(MPQHEADER),&tsz,0)==0) return 0xFFFFFFFF;
3133                 if (i+tsz>dwStart+dwLength) tsz = (dwStart+dwLength)-i;
3134                 if (tsz<sizeof(MPQHEADER)) return 0xFFFFFFFF;
3135                 if (memcmp(pbuf,ID_MPQ,4)==0 || memcmp(pbuf,ID_BN3,4)==0)
3136                 {
3137                         // Storm no longer does this, so mpq api shouldn't either
3138                         /*FileLen -= i;
3139                         if (memcmp(pbuf+8,&FileLen,4)==0)
3140                                 return i;
3141                         else
3142                                 FileLen += i;*/
3143                         return i;
3144                 }
3145         }
3146         return 0xFFFFFFFF;
3147 }
3148
3149 DWORD GetFullPath(LPCSTR lpFileName, char *lpBuffer, DWORD dwBufferLength)
3150 {
3151         if (!lpFileName) return (DWORD)-1;
3152         DWORD slen = strlen(lpFileName);
3153         if (memcmp(lpFileName+1,":\\",2)==0) {
3154                 if (slen+1>dwBufferLength) return slen+1;
3155                 memcpy(lpBuffer,lpFileName,slen+1);
3156         }
3157 #ifdef _WIN32
3158         else if (lpFileName[0]=='\\') {
3159 #else
3160         else if (lpFileName[0]=='/') {
3161 #endif
3162                 if (slen+3>dwBufferLength) return slen+3;
3163                 memcpy(lpBuffer,StormBasePath,2);
3164                 memcpy(lpBuffer+2,lpFileName,slen+1);
3165         }
3166         else {
3167                 DWORD sbslen = strlen(StormBasePath);
3168                 if (sbslen+slen+1>dwBufferLength) return sbslen+slen+1;
3169                 memcpy(lpBuffer,StormBasePath,sbslen);
3170                 memcpy(lpBuffer+sbslen,lpFileName,slen);
3171                 lpBuffer[sbslen+slen]=0;
3172         }
3173         return 0;
3174 }
3175
3176 MPQHANDLE GetHashTableEntry(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID FileLocale)
3177 {
3178         if (!hMPQ || !lpFileName) return 0;
3179         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
3180         DWORD dwTablePos = HashString(lpFileName,HASH_POSITION) % mpqOpenArc->MpqHeader.dwHashTableSize;
3181         DWORD dwNameHashA = HashString(lpFileName,HASH_NAME_A);
3182         DWORD dwNameHashB = HashString(lpFileName,HASH_NAME_B);
3183         StartTableSearch:
3184         DWORD i=dwTablePos;
3185         do
3186         {
3187                 if (mpqOpenArc->lpHashTable[i].dwBlockTableIndex==0xFFFFFFFF)
3188                 {
3189                         break;
3190                 }
3191                 else if (mpqOpenArc->lpHashTable[i].dwNameHashA==dwNameHashA && mpqOpenArc->lpHashTable[i].dwNameHashB==dwNameHashB && mpqOpenArc->lpHashTable[i].lcLocale==FileLocale && mpqOpenArc->lpHashTable[i].dwBlockTableIndex!=0xFFFFFFFE)
3192                 {
3193                         return (MPQHANDLE)&mpqOpenArc->lpHashTable[i];
3194                 }
3195                 i = (i + 1) % mpqOpenArc->MpqHeader.dwHashTableSize;
3196         } while (i!=dwTablePos);
3197         if (FileLocale!=0) {FileLocale=0;goto StartTableSearch;}
3198         return 0;
3199 }
3200
3201 MPQHANDLE GetHashTableEntryOfHash(MPQHANDLE hMPQ, DWORD dwTablePos, DWORD dwNameHashA, DWORD dwNameHashB, LCID FileLocale)
3202 {
3203         if (!hMPQ) return 0;
3204         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
3205         StartTableSearch:
3206         DWORD i=dwTablePos;
3207         do
3208         {
3209                 if (mpqOpenArc->lpHashTable[i].dwBlockTableIndex==0xFFFFFFFF)
3210                 {
3211                         break;
3212                 }
3213                 else if (mpqOpenArc->lpHashTable[i].dwNameHashA==dwNameHashA && mpqOpenArc->lpHashTable[i].dwNameHashB==dwNameHashB && mpqOpenArc->lpHashTable[i].lcLocale==FileLocale && mpqOpenArc->lpHashTable[i].dwBlockTableIndex!=0xFFFFFFFE)
3214                 {
3215                         return (MPQHANDLE)&mpqOpenArc->lpHashTable[i];
3216                 }
3217                 i = (i + 1) % mpqOpenArc->MpqHeader.dwHashTableSize;
3218         } while (i!=dwTablePos);
3219         if (FileLocale!=0) {FileLocale=0;goto StartTableSearch;}
3220         return 0;
3221 }
3222
3223 MPQHANDLE GetFreeHashTableEntry(MPQHANDLE hMPQ, LPCSTR lpFileName, LCID FileLocale, BOOL ReturnExisting)
3224 {
3225         if (!hMPQ || !lpFileName) return 0;
3226         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
3227         DWORD dwTablePos = HashString(lpFileName,HASH_POSITION) % mpqOpenArc->MpqHeader.dwHashTableSize;
3228         DWORD dwNameHashA = HashString(lpFileName,HASH_NAME_A);
3229         DWORD dwNameHashB = HashString(lpFileName,HASH_NAME_B);
3230         DWORD i=dwTablePos;
3231         do
3232         {
3233                 if ((mpqOpenArc->lpHashTable[i].dwBlockTableIndex&0xFFFFFFFE)==0xFFFFFFFE)
3234                 {
3235                         return (MPQHANDLE)&mpqOpenArc->lpHashTable[i];
3236                 }
3237                 else if (mpqOpenArc->lpHashTable[i].dwNameHashA==dwNameHashA && mpqOpenArc->lpHashTable[i].dwNameHashB==dwNameHashB && mpqOpenArc->lpHashTable[i].lcLocale==FileLocale)
3238                 {
3239                         if (ReturnExisting!=FALSE)
3240                                 return (MPQHANDLE)&mpqOpenArc->lpHashTable[i];
3241                         else {
3242                                 SetLastError(MPQ_ERROR_ALREADY_EXISTS);
3243                                 return 0;
3244                         }
3245                 }
3246                 i = (i + 1) % mpqOpenArc->MpqHeader.dwHashTableSize;
3247         } while (i!=dwTablePos);
3248         SetLastError(MPQ_ERROR_HASH_TABLE_FULL);
3249         return 0;
3250 }
3251
3252 BOOL SearchOpenArchives(LPCSTR lpFileName, MPQHANDLE *hMPQ, MPQHANDLE *hFile)
3253 {
3254         MPQHANDLE hnMPQ,hnFile,hndMPQ = 0,hndFile = 0;
3255
3256         DWORD dwTablePos = HashString(lpFileName,HASH_POSITION);
3257         DWORD dwNameHashA = HashString(lpFileName,HASH_NAME_A);
3258         DWORD dwNameHashB = HashString(lpFileName,HASH_NAME_B);
3259
3260         for (DWORD i=0;i<dwOpenMpqCount;i++) {
3261                 hnMPQ = (MPQHANDLE)lpOpenMpq[i];
3262                 hnFile = GetHashTableEntryOfHash(hnMPQ,dwTablePos % lpOpenMpq[i]->MpqHeader.dwHashTableSize,dwNameHashA,dwNameHashB,LocaleID);
3263
3264                 if (hnFile!=0) {
3265                         if (((HASHTABLEENTRY *)hnFile)->lcLocale == LocaleID) {
3266                                 *hMPQ = hnMPQ;
3267                                 *hFile = hnFile;
3268                                 return TRUE;
3269                         }
3270                         else if (hndMPQ == 0 || hndFile == 0) {
3271                                 hndMPQ = hnMPQ;
3272                                 hndFile = hnFile;
3273                         }
3274                 }
3275         }
3276
3277         if (hndMPQ != 0 && hndFile != 0) {
3278                 *hMPQ = hndMPQ;
3279                 *hFile = hndFile;
3280                 return TRUE;
3281         }
3282
3283         *hMPQ = 0;
3284         *hFile = 0;
3285         return FALSE;
3286 }
3287
3288 void SortOpenArchivesByPriority()
3289 {
3290         MPQARCHIVE *hMPQ1,*hMPQ2;
3291         for (DWORD i=1;i<dwOpenMpqCount;i++) {
3292                 do {
3293                         hMPQ1 = lpOpenMpq[i-1];
3294                         hMPQ2 = lpOpenMpq[i];
3295                         if (hMPQ2->dwPriority > hMPQ1->dwPriority) {
3296                                 lpOpenMpq[i-1] = hMPQ2;
3297                                 lpOpenMpq[i] = hMPQ1;
3298                                 i--;
3299                         }
3300                 } while (hMPQ2->dwPriority > hMPQ1->dwPriority && i>0);
3301         }
3302 }
3303
3304 DWORD GetHandleType(MPQHANDLE hFile)
3305 {
3306         DWORD i;
3307         for (i=0;i<dwOpenFileCount;i++) {
3308                 if ((MPQHANDLE)lpOpenFile[i]==hFile) return SFILE_TYPE_FILE;
3309         }
3310         for (i=0;i<dwOpenMpqCount;i++) {
3311                 if ((MPQHANDLE)lpOpenMpq[i]==hFile) return SFILE_TYPE_MPQ;
3312         }
3313         return 0;
3314 }
3315
3316 BOOL AddToInternalListing(MPQHANDLE hMPQ, LPCSTR lpFileName)
3317 {
3318         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
3319         if ((mpqOpenArc->dwFlags & MOAU_MAINTAIN_LISTFILE)==MOAU_MAINTAIN_LISTFILE && stricmp(lpFileName,INTERNAL_LISTFILE)!=0)
3320         {
3321                 MPQHANDLE hlFile;char *buffer=0;DWORD fsz,lsz;
3322                 lsz = strlen(lpFileName);
3323                 if (SFileOpenFileEx(hMPQ,INTERNAL_LISTFILE,0,&hlFile)!=0) {
3324                         if (((MPQFILE *)hlFile)->lpHashEntry->lcLocale==LocaleID) {
3325                                 fsz = SFileGetFileSize(hlFile,0);
3326                                 if (fsz==0) {
3327                                         SFileCloseFile(hlFile);
3328                                         goto AddFileName;
3329                                 }
3330                                 buffer = (char *)SFAlloc(fsz+lsz+2);
3331                                 if (buffer==0) {
3332                                         SFileCloseFile(hlFile);
3333                                         return FALSE;
3334                                 }
3335                                 if (SFileReadFile(hlFile,buffer,fsz,0,0)==0) {
3336                                         SFFree(buffer);
3337                                         buffer = 0;
3338                                 }
3339                                 buffer[fsz]=0;
3340                         }
3341                         SFileCloseFile(hlFile);
3342                 }
3343                 AddFileName:
3344                 if (buffer==0) {
3345                         fsz = 0;
3346                         buffer = (char *)SFAlloc(lsz+2);
3347                         buffer[0]=0;
3348                 }
3349                 else {
3350                         char *buffercopy = strlwr(strdup(buffer));
3351                         char *lwrFileName = strlwr(strdup(lpFileName));
3352                         char *subbuffer=buffer;
3353                         while ((subbuffer=strstr(subbuffer,lpFileName))!=NULL && subbuffer[0]!=0) {
3354                                 if (subbuffer==buffer && subbuffer[lsz]==0) {
3355                                         SFFree(lwrFileName);
3356                                         SFFree(buffercopy);
3357                                         SFFree(buffer);
3358                                         return TRUE;
3359                                 }
3360                                 else if (subbuffer==buffer && (subbuffer[lsz]=='\n' || subbuffer[lsz]=='\r')) {
3361                                         SFFree(lwrFileName);
3362                                         SFFree(buffercopy);
3363                                         SFFree(buffer);
3364                                         return TRUE;
3365                                 }
3366                                 else if (((subbuffer-1)[0]=='\n' || (subbuffer-1)[0]=='\r') && subbuffer[lsz]==0) {
3367                                         SFFree(lwrFileName);
3368                                         SFFree(buffercopy);
3369                                         SFFree(buffer);
3370                                         return TRUE;
3371                                 }
3372                                 else if (((subbuffer-1)[0]=='\n' || (subbuffer-1)[0]=='\r') && (subbuffer[lsz]=='\n' || subbuffer[lsz]=='\r')) {
3373                                         SFFree(lwrFileName);
3374                                         SFFree(buffercopy);
3375                                         SFFree(buffer);
3376                                         return TRUE;
3377                                 }
3378                                 subbuffer++;
3379                         }
3380                         SFFree(lwrFileName);
3381                         SFFree(buffercopy);
3382                 }
3383                 memcpy(buffer+fsz,lpFileName,lsz);
3384                 memcpy(buffer+fsz+lsz,"\r\n",2);
3385                 //LCID dwOldLocale=LocaleID;
3386                 //LocaleID=0;
3387                 MpqAddFileFromBuffer(hMPQ,buffer,fsz+lsz+2,INTERNAL_LISTFILE,MAFA_COMPRESS|MAFA_ENCRYPT|MAFA_MODCRYPTKEY|MAFA_REPLACE_EXISTING);
3388                 //LocaleID=dwOldLocale;
3389                 SFFree(buffer);
3390         }
3391         return TRUE;
3392 }
3393
3394 BOOL RemoveFromInternalListing(MPQHANDLE hMPQ, LPCSTR lpFileName)
3395 {
3396         MPQARCHIVE *mpqOpenArc = (MPQARCHIVE *)hMPQ;
3397         if ((mpqOpenArc->dwFlags & MOAU_MAINTAIN_LISTFILE)==MOAU_MAINTAIN_LISTFILE && stricmp(lpFileName,INTERNAL_LISTFILE)!=0)
3398         {
3399                 MPQHANDLE hlFile;char *buffer=0;DWORD fsz,lsz;
3400                 lsz = strlen(lpFileName);
3401                 if (SFileOpenFileEx(hMPQ,INTERNAL_LISTFILE,0,&hlFile)!=0) {
3402                         if (((MPQFILE *)hlFile)->lpHashEntry->lcLocale==LocaleID) {
3403                                 fsz = SFileGetFileSize(hlFile,0);
3404                                 if (fsz==0) {
3405                                         SFileCloseFile(hlFile);
3406
3407                                         return FALSE;
3408                                 }
3409
3410                                 buffer = (char *)SFAlloc(fsz+1);
3411                                 if (buffer==0) {
3412                                         SFileCloseFile(hlFile);
3413                                         return FALSE;
3414                                 }
3415                                 buffer[fsz] = 0;
3416                                 if (SFileReadFile(hlFile,buffer,fsz,0,0)==0) {
3417                                         SFFree(buffer);
3418                                         buffer = 0;
3419                                 }
3420                         }
3421                         SFileCloseFile(hlFile);
3422                 }
3423                 if (buffer==0) {
3424                         return FALSE;
3425                 }
3426                 else {
3427                         buffer[fsz]=0;
3428                         char *buffercopy = strlwr(strdup(buffer));
3429                         char *lwrFileName = strlwr(strdup(lpFileName));
3430                         char *subbuffer=buffer;
3431
3432                         while ((subbuffer=strstr(subbuffer,lpFileName))!=NULL && subbuffer[0]!=0) {
3433                                 if (subbuffer==buffer && subbuffer[lsz]==0) {
3434                                         SFFree(lwrFileName);
3435                                         SFFree(buffercopy);
3436                                         //LCID dwOldLocale=LocaleID;
3437                                         //LocaleID=0;
3438                                         MpqAddFileFromBuffer(hMPQ,(LPVOID)"\x00",0,INTERNAL_LISTFILE,MAFA_COMPRESS|MAFA_ENCRYPT|MAFA_MODCRYPTKEY|MAFA_REPLACE_EXISTING);
3439                                         //LocaleID=dwOldLocale;
3440                                         SFFree(buffer);
3441                                         return TRUE;
3442                                 }
3443                                 else if (subbuffer==buffer && (subbuffer[lsz]=='\n' || subbuffer[lsz]=='\r')) {
3444                                         SFFree(lwrFileName);
3445                                         SFFree(buffercopy);
3446                                         if (subbuffer[lsz+1]=='\n' || subbuffer[lsz+1]=='\r') lsz++;
3447                                         memcpy(subbuffer,subbuffer+lsz+1,strlen(subbuffer+lsz+1));
3448                                         //LCID dwOldLocale=LocaleID;
3449                                         //LocaleID=0;
3450                                         MpqAddFileFromBuffer(hMPQ,buffer,fsz-lsz-1,INTERNAL_LISTFILE,MAFA_COMPRESS|MAFA_ENCRYPT|MAFA_MODCRYPTKEY|MAFA_REPLACE_EXISTING);
3451                                         //LocaleID=dwOldLocale;
3452                                         SFFree(buffer);
3453                                         return TRUE;
3454                                 }
3455                                 else if (((subbuffer-1)[0]=='\n' || (subbuffer-1)[0]=='\r') && subbuffer[lsz]==0) {
3456                                         SFFree(lwrFileName);
3457                                         SFFree(buffercopy);
3458                                         //LCID dwOldLocale=LocaleID;
3459                                         //LocaleID=0;
3460                                         MpqAddFileFromBuffer(hMPQ,buffer,fsz-lsz,INTERNAL_LISTFILE,MAFA_COMPRESS|MAFA_ENCRYPT|MAFA_MODCRYPTKEY|MAFA_REPLACE_EXISTING);
3461                                         //LocaleID=dwOldLocale;
3462                                         SFFree(buffer);
3463                                         return TRUE;
3464                                 }
3465                                 else if (((subbuffer-1)[0]=='\n' || (subbuffer-1)[0]=='\r') && (subbuffer[lsz]=='\n' || subbuffer[lsz]=='\r')) {
3466                                         SFFree(lwrFileName);
3467                                         SFFree(buffercopy);
3468                                         if ((subbuffer-2)[0]=='\n' || (subbuffer-2)[0]=='\r') {subbuffer--;lsz++;}
3469                                         memcpy(subbuffer-1,subbuffer+lsz,strlen(subbuffer+lsz));
3470                                         //LCID dwOldLocale=LocaleID;
3471                                         //LocaleID=0;
3472                                         MpqAddFileFromBuffer(hMPQ,buffer,fsz-lsz-1,INTERNAL_LISTFILE,MAFA_COMPRESS|MAFA_ENCRYPT|MAFA_MODCRYPTKEY|MAFA_REPLACE_EXISTING);
3473                                         //LocaleID=dwOldLocale;
3474                                         SFFree(buffer);
3475                                         return TRUE;
3476                                 }
3477                                 subbuffer++;
3478                         }
3479                         SFFree(lwrFileName);
3480                         SFFree(buffercopy);
3481                 }
3482                 SFFree(buffer);
3483         }
3484         return TRUE;
3485 }
3486
3487 size_t strlnlen(const char *strline)
3488 {
3489         if (strline==0) return 0;
3490         const char *strcr = strchr(strline,'\r');
3491         const char *strlf = strchr(strline,'\n');
3492         if (strcr==0 && strlf==0) return strlen(strline);
3493         if (strcr!=0 && (strcr<strlf || strlf==0)) return strcr-strline;
3494         if (strlf!=0 && (strlf<strcr || strcr==0)) return strlf-strline;
3495         return strlen(strline);
3496 }
3497
3498 char *nextline(const char *strline)
3499 {
3500         if (strline==0) return 0;
3501         const char *strcr = strchr(strline,'\r');
3502         const char *strlf = strchr(strline,'\n');
3503         if (strcr==0 && strlf==0) return 0;
3504         const char *streol;
3505         if (strcr!=0 && (strcr<strlf || strlf==0)) streol = strcr;
3506         if (strlf!=0 && (strlf<strcr || strcr==0)) streol = strlf;
3507         do {
3508                 streol++;
3509         } while (streol[0]=='\r' || streol[0]=='\n');
3510         if (streol[0]==0) return 0;
3511         return (char *)streol;
3512 }
3513
3514 // The InitCryptTable, HashString, DecryptData, and DetectFileKey are
3515 // based on the versions in StormLib which were written by Ladislav
3516 // Zezula, but may have been modified somewhat by Quantam or ShadowFlare.
3517 BOOL InitCryptTable()
3518 {
3519         DWORD seed   = 0x00100001;
3520         DWORD index1 = 0;
3521         DWORD index2 = 0;
3522         int   i;
3523
3524         if (!bCryptTableInit)
3525         {
3526                  for(index1 = 0; index1 < 0x100; index1++)
3527                  {
3528                           for(index2 = index1, i = 0; i < 5; i++, index2 += 0x100)
3529                           {
3530                                         DWORD temp1, temp2;
3531
3532                                         seed  = (seed * 125 + 3) % 0x2AAAAB;
3533                                         temp1 = (seed & 0xFFFF) << 0x10;
3534
3535                                         seed  = (seed * 125 + 3) % 0x2AAAAB;
3536                                         temp2 = (seed & 0xFFFF);
3537
3538                                         dwCryptTable[index2] = (temp1 | temp2);
3539                           }
3540                  }
3541
3542                 bCryptTableInit = TRUE;
3543         }
3544
3545         return TRUE;
3546 }
3547
3548 DWORD HashString(LPCSTR lpszString, DWORD dwHashType)
3549 {
3550     DWORD  seed1 = 0x7FED7FED;
3551     DWORD  seed2 = 0xEEEEEEEE;
3552     int    ch;
3553
3554         char szNull = 0;
3555         if (!lpszString)
3556                 lpszString = &szNull;
3557
3558         if (dwHashType==HASH_KEY)
3559                 while (strchr(lpszString,'\\')!=NULL) lpszString = strchr(lpszString,'\\')+1;
3560     while (*lpszString != 0)
3561     {
3562         ch = toupper(*lpszString++);
3563
3564         seed1 = dwCryptTable[(dwHashType << 8) + ch] ^ (seed1 + seed2);
3565         seed2 = ch + seed1 + seed2 + (seed2 << 5) + 3;
3566     }
3567
3568     return seed1;
3569 }
3570
3571 // The EncryptData function is based on the DecryptData function by
3572 // Ladislav Zezula, but adapted by Quantam to encrypt rather than decrypt.
3573 BOOL EncryptData(LPBYTE lpbyBuffer, DWORD dwLength, DWORD dwKey)
3574 {
3575     LPDWORD lpdwBuffer = (LPDWORD)lpbyBuffer;
3576     DWORD seed = 0xEEEEEEEE;
3577     DWORD ch;
3578
3579         if (!lpbyBuffer)
3580                 return FALSE;
3581
3582     // Round to DWORDs
3583     dwLength >>= 2;
3584
3585     while(dwLength-- > 0)
3586
3587     {
3588         seed += dwCryptTable[0x400 + (dwKey & 0xFF)];
3589         ch = *lpdwBuffer ^ (dwKey + seed);
3590
3591         dwKey = ((~dwKey << 0x15) + 0x11111111) | (dwKey >> 0x0B);
3592         seed = *lpdwBuffer + seed + (seed << 5) + 3;
3593
3594                 *lpdwBuffer++ = ch;
3595     }
3596
3597          return TRUE;
3598 }
3599
3600 BOOL DecryptData(LPBYTE lpbyBuffer, DWORD dwLength, DWORD dwKey)
3601 {
3602         LPDWORD lpdwBuffer = (LPDWORD)lpbyBuffer;
3603     DWORD seed = 0xEEEEEEEE;
3604     DWORD ch;
3605
3606         if (!lpbyBuffer)
3607                 return FALSE;
3608
3609     // Round to DWORDs
3610     dwLength >>= 2;
3611
3612     while(dwLength-- > 0)
3613     {
3614         seed += dwCryptTable[0x400 + (dwKey & 0xFF)];
3615         ch = *lpdwBuffer ^ (dwKey + seed);
3616
3617         dwKey = ((~dwKey << 0x15) + 0x11111111) | (dwKey >> 0x0B);
3618         seed = ch + seed + (seed << 5) + 3;
3619
3620                 *lpdwBuffer++ = ch;
3621     }
3622
3623          return TRUE;
3624 }
3625
3626 //-----------------------------------------------------------------------------
3627 // Functions tries to get file decryption key. The trick comes from block
3628 // positions which are stored at the begin of each compressed file. We know the
3629 // file size, that means we know number of blocks that means we know the first
3630 // DWORD value in block position. And if we know encrypted and decrypted value,
3631 // we can find the decryption key !!!
3632 //
3633 // hf    - MPQ file handle
3634 // block - DWORD array of block positions
3635 // ch    - Decrypted value of the first block pos
3636
3637 static DWORD DetectFileSeed(DWORD * block, DWORD decrypted, DWORD blocksize)
3638 {
3639     DWORD saveSeed1;
3640     DWORD temp = *block ^ decrypted;    // temp = seed1 + seed2
3641                                         // temp = seed1 + stormBuffer[0x400 + (seed1 & 0xFF)] + 0xEEEEEEEE
3642     temp -= 0xEEEEEEEE;                 // temp = seed1 + stormBuffer[0x400 + (seed1 & 0xFF)]
3643
3644
3645     for(int i = 0; i < 0x100; i++)      // Try all 256 possibilities
3646     {
3647         DWORD seed1;
3648         DWORD seed2 = 0xEEEEEEEE;
3649         DWORD ch;
3650
3651         // Try the first DWORD (We exactly know the value)
3652         seed1  = temp - dwCryptTable[0x400 + i];
3653         seed2 += dwCryptTable[0x400 + (seed1 & 0xFF)];
3654         ch     = block[0] ^ (seed1 + seed2);
3655
3656         if(ch != decrypted)
3657             continue;
3658
3659         saveSeed1 = seed1 + 1;
3660
3661         // If OK, continue and test the second value. We don't know exactly the value,
3662         // but we know that the second one has a value less than or equal to the
3663                 // size of the block position table plus the block size
3664         seed1  = ((~seed1 << 0x15) + 0x11111111) | (seed1 >> 0x0B);
3665         seed2  = ch + seed2 + (seed2 << 5) + 3;
3666
3667         seed2 += dwCryptTable[0x400 + (seed1 & 0xFF)];
3668         ch     = block[1] ^ (seed1 + seed2);
3669
3670         if(ch <= decrypted + blocksize)
3671             return saveSeed1;
3672     }
3673     return 0;
3674 }
3675
3676 DWORD DetectFileSeedEx(MPQARCHIVE * mpqOpenArc, HASHTABLEENTRY * lpHashEntry, LPCSTR * lplpFileName)
3677 {
3678         if (mpqOpenArc==0 || lpHashEntry==0) return 0;
3679         DWORD dwCryptKey=0;
3680         LPCSTR lpFileName = *lplpFileName;
3681         DWORD dwBlockIndex = lpHashEntry->dwBlockTableIndex;
3682         if (lpFileName)
3683         {
3684                 dwCryptKey = HashString(lpFileName,HASH_KEY);
3685                 if (mpqOpenArc->lpBlockTable[dwBlockIndex].dwFlags&MAFA_MODCRYPTKEY)
3686                         dwCryptKey = (dwCryptKey + mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset) ^ mpqOpenArc->lpBlockTable[dwBlockIndex].dwFullSize;
3687         }
3688         else
3689         {
3690                 DWORD dwNameHashA = HashString(INTERNAL_LISTFILE,HASH_NAME_A);
3691                 DWORD dwNameHashB = HashString(INTERNAL_LISTFILE,HASH_NAME_B);
3692                 if (lpHashEntry->dwNameHashA==dwNameHashA && lpHashEntry->dwNameHashB==dwNameHashB) {
3693                         dwCryptKey = HashString(INTERNAL_LISTFILE,HASH_KEY);
3694                         if (mpqOpenArc->lpBlockTable[dwBlockIndex].dwFlags&MAFA_MODCRYPTKEY)
3695                                 dwCryptKey = (dwCryptKey + mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset) ^ mpqOpenArc->lpBlockTable[dwBlockIndex].dwFullSize;
3696                         *lplpFileName = (char *)SFAlloc(strlen(INTERNAL_LISTFILE)+1);
3697                         if (*lplpFileName)
3698                                 strcpy((LPSTR)*lplpFileName,INTERNAL_LISTFILE);
3699                 }
3700                 else {
3701                         HANDLE hlFile,hMPQ=(HANDLE)mpqOpenArc;
3702                         DWORD fsz;
3703                         char *listbuffer;
3704                         LCID lcOldLocale = LocaleID;
3705                         for (DWORD lcn=0;lcn<nLocales;lcn++) {
3706                                 LocaleID = availLocales[lcn];
3707                                 if (SFileOpenFileEx(hMPQ,INTERNAL_LISTFILE,0,&hlFile)!=0) {
3708                                         if (((MPQFILE *)hlFile)->lpHashEntry->lcLocale==0 && LocaleID!=0) {
3709                                                 SFileCloseFile(hlFile);
3710                                                 continue;
3711                                         }
3712                                         fsz = SFileGetFileSize(hlFile,0);
3713                                         if (fsz>0) {
3714                                                 listbuffer = (char *)SFAlloc(fsz+1);
3715                                                 if (listbuffer==0) {
3716                                                         SFileCloseFile(hlFile);
3717                                                         continue;
3718                                                 }
3719                                                 if (SFileReadFile(hlFile,listbuffer,fsz,0,0)==0) {
3720                                                         SFFree(listbuffer);
3721                                                         listbuffer = 0;
3722                                                 }
3723                                         }
3724                                         SFileCloseFile(hlFile);
3725                                         if (listbuffer!=0) {
3726                                                 char *listline;
3727                                                 for (listline=listbuffer;listline!=0;listline=nextline(listline)) {
3728                                                         if (listline[0]==0) break;
3729                                                         DWORD lnlen=strlnlen(listline);
3730                                                         char prevchar=listline[lnlen];
3731                                                         listline[lnlen]=0;
3732                                                         dwNameHashA = HashString(listline,HASH_NAME_A);
3733                                                         dwNameHashB = HashString(listline,HASH_NAME_B);
3734                                                         if (lpHashEntry->dwNameHashA==dwNameHashA && lpHashEntry->dwNameHashB==dwNameHashB) {
3735                                                                 dwCryptKey = HashString(listline,HASH_KEY);
3736                                                                 if (mpqOpenArc->lpBlockTable[dwBlockIndex].dwFlags&MAFA_MODCRYPTKEY)
3737                                                                         dwCryptKey = (dwCryptKey + mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset) ^ mpqOpenArc->lpBlockTable[dwBlockIndex].dwFullSize;
3738                                                                 *lplpFileName = (char *)SFAlloc(strlen(listline)+1);
3739                                                                 if (*lplpFileName)
3740                                                                         strcpy((LPSTR)*lplpFileName,listline);
3741                                                                 break;
3742                                                         }
3743                                                         listline[lnlen]=prevchar;
3744                                                 }
3745                                                 if (listline!=0) {
3746                                                         if (listline[0]!=0) {
3747                                                                 SFFree(listbuffer);
3748                                                                 break;
3749                                                         }
3750                                                 }
3751                                                 SFFree(listbuffer);
3752                                         }
3753                                 }
3754                         }
3755                         LocaleID = lcOldLocale;
3756                 }
3757                 if (dwCryptKey==0 && (mpqOpenArc->lpBlockTable[dwBlockIndex].dwFlags&MAFA_COMPRESS || mpqOpenArc->lpBlockTable[dwBlockIndex].dwFlags&MAFA_COMPRESS2))
3758                 {
3759                         DWORD HeaderLength=0,tsz;
3760                         if (memcmp(&mpqOpenArc->MpqHeader.dwMPQID,ID_BN3,4)==0)
3761                         {
3762                                 SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset,0,FILE_BEGIN);
3763                                 ReadFile(mpqOpenArc->hFile,&HeaderLength,4,&tsz,0);
3764                         }
3765                         DWORD blockSize = 512 << mpqOpenArc->MpqHeader.wBlockSize;
3766                         DWORD TotalBlocks = mpqOpenArc->lpBlockTable[dwBlockIndex].dwFullSize / blockSize;
3767                         if(mpqOpenArc->lpBlockTable[dwBlockIndex].dwFullSize % blockSize)
3768                                 TotalBlocks++;
3769                         DWORD *dwBlockPtrTable = (DWORD *)SFAlloc((TotalBlocks+1)*4);
3770                         if (dwBlockPtrTable==0)
3771                                 return 0;
3772                         SetFilePointer(mpqOpenArc->hFile,mpqOpenArc->dwMPQStart+mpqOpenArc->lpBlockTable[dwBlockIndex].dwFileOffset+HeaderLength,0,FILE_BEGIN);
3773                         ReadFile(mpqOpenArc->hFile,dwBlockPtrTable,(TotalBlocks+1)*4,&tsz,0);
3774                         dwCryptKey = DetectFileSeed(dwBlockPtrTable,(TotalBlocks+1)*4,blockSize);
3775
3776                         SFFree(dwBlockPtrTable);
3777                 }
3778         }
3779         return dwCryptKey;
3780 }
3781
3782 long SFMPQAPI __inline SFMpqCompareVersion()
3783 {
3784         SFMPQVERSION ExeVersion = SFMPQ_CURRENT_VERSION;
3785         SFMPQVERSION DllVersion = SFMpqGetVersion();
3786         if (DllVersion.Major>ExeVersion.Major) return 1;
3787         else if (DllVersion.Major<ExeVersion.Major) return -1;
3788         if (DllVersion.Minor>ExeVersion.Minor) return 1;
3789         else if (DllVersion.Minor<ExeVersion.Minor) return -1;
3790         if (DllVersion.Revision>ExeVersion.Revision) return 1;
3791         else if (DllVersion.Revision<ExeVersion.Revision) return -1;
3792         if (DllVersion.Subrevision>ExeVersion.Subrevision) return 1;
3793         else if (DllVersion.Subrevision<ExeVersion.Subrevision) return -1;
3794         return 0;
3795 }
3796
3797 void LoadStorm()
3798 {
3799 #ifdef _WIN32
3800         if (hStorm!=0) return;
3801         hStorm = LoadLibrary(Storm_dll);
3802         /*if (hStorm==0) {
3803                 HKEY hKey;
3804                 LPSTR lpDllPath;
3805                 DWORD dwStrLen;
3806                 if (RegOpenKeyEx(HKEY_CURRENT_USER,"Software\\Blizzard Entertainment\\Warcraft III",0,KEY_QUERY_VALUE,&hKey)!=ERROR_SUCCESS)
3807                         if (RegOpenKeyEx(HKEY_USERS,".Default\\Software\\Blizzard Entertainment\\Warcraft III",0,KEY_QUERY_VALUE,&hKey)!=ERROR_SUCCESS)
3808                                 if (RegOpenKeyEx(HKEY_LOCAL_MACHINE,"Software\\Blizzard Entertainment\\Warcraft III",0,KEY_QUERY_VALUE,&hKey)!=ERROR_SUCCESS)
3809                                         return;
3810                 RegQueryValueEx(hKey,"InstallPath",0,0,0,&dwStrLen);
3811                 lpDllPath = (LPSTR)SFAlloc(dwStrLen+11);
3812                 if (lpDllPath) {
3813                         memset(lpDllPath,0,dwStrLen+11);
3814                         RegQueryValueEx(hKey,"InstallPath",0,0,(LPBYTE)lpDllPath,&dwStrLen);
3815                         LPSTR lpLastBSlash = strrchr(lpDllPath,'\\');
3816                         if (lpLastBSlash) {
3817                                 if (lpLastBSlash[1]!=0) lpLastBSlash[strlen(lpLastBSlash)]='\\';
3818                                 strcat(lpLastBSlash,Storm_dll);
3819                                 hStorm = LoadLibrary(lpDllPath);
3820                         }
3821                         SFFree(lpDllPath);
3822                 }
3823                 RegCloseKey(hKey);
3824         }*/
3825         if (hStorm==0) return;
3826
3827         unsigned int wSCCOrdinal=0xAC30;
3828         wSCCOrdinal>>=4;
3829         wSCCOrdinal/=5;
3830         unsigned int wSCDcOrdinal=0xAC80;
3831         wSCDcOrdinal>>=4;
3832         wSCDcOrdinal/=5;
3833
3834         stormSCompCompress = (funcSCompCompress)GetProcAddress(hStorm,(LPCSTR)wSCCOrdinal);
3835         stormSCompDecompress = (funcSCompDecompress)GetProcAddress(hStorm,(LPCSTR)wSCDcOrdinal);
3836 #endif
3837 }
3838
3839 void FreeStorm()
3840 {
3841 #ifdef _WIN32
3842         if (hStorm==0) return;
3843         FreeLibrary(hStorm);
3844         hStorm = 0;
3845
3846         stormSCompCompress = 0;
3847         stormSCompDecompress = 0;
3848 #endif
3849 }
3850