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