dlls/ver.dll16/version.c

   1 /*
   2  * Implementation of VER.DLL
   3  *
   4  * Copyright 1996, 1997 Marcus Meissner
   5  * Copyright 1997 David Cuthbert
   6  * Copyright 1999 Ulrich Weigand
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include <stdarg.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26 #include <sys/types.h>
  27
  28 #define NONAMELESSUNION
  29 #define NONAMELESSSTRUCT
  30 #include "windef.h"
  31 #include "wine/winbase16.h"
  32 #include "winver.h"
  33 #include "lzexpand.h"
  34 #include "wine/unicode.h"
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(ver);
  38
  39 #ifndef SEEK_SET
  40 #define SEEK_SET   0
  41 #define SEEK_CUR   1
  42 #define SEEK_END   2
  43 #endif
  44
  45 /**********************************************************************
  46  *  find_entry_by_id
  47  *
  48  * Find an entry by id in a resource directory
  49  * Copied from loader/pe_resource.c
  50  */
  51 static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_id( const IMAGE_RESOURCE_DIRECTORY *dir,
  52                                                          WORD id, const void *root )
  53 {
  54     const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
  55     int min, max, pos;
  56
  57     entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
  58     min = dir->NumberOfNamedEntries;
  59     max = min + dir->NumberOfIdEntries - 1;
  60     while (min <= max)
  61     {
  62         pos = (min + max) / 2;
  63         if (entry[pos].u.Id == id)
  64             return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s2.OffsetToDirectory);
  65         if (entry[pos].u.Id > id) max = pos - 1;
  66         else min = pos + 1;
  67     }
  68     return NULL;
  69 }
  70
  71
  72 /**********************************************************************
  73  *  find_entry_default
  74  *
  75  * Find a default entry in a resource directory
  76  * Copied from loader/pe_resource.c
  77  */
  78 static const IMAGE_RESOURCE_DIRECTORY *find_entry_default( const IMAGE_RESOURCE_DIRECTORY *dir,
  79                                                            const void *root )
  80 {
  81     const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
  82
  83     entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
  84     return (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry->u2.s2.OffsetToDirectory);
  85 }
  86
  87
  88 /**********************************************************************
  89  *  find_entry_by_name
  90  *
  91  * Find an entry by name in a resource directory
  92  * Copied from loader/pe_resource.c
  93  */
  94 static const IMAGE_RESOURCE_DIRECTORY *find_entry_by_name( const IMAGE_RESOURCE_DIRECTORY *dir,
  95                                                            LPCSTR name, const void *root )
  96 {
  97     const IMAGE_RESOURCE_DIRECTORY *ret = NULL;
  98     LPWSTR nameW;
  99     DWORD namelen;
 100
 101     if (!HIWORD(name)) return find_entry_by_id( dir, LOWORD(name), root );
 102     if (name[0] == '#')
 103     {
 104         return find_entry_by_id( dir, atoi(name+1), root );
 105     }
 106
 107     namelen = MultiByteToWideChar( CP_ACP, 0, name, -1, NULL, 0 );
 108     if ((nameW = HeapAlloc( GetProcessHeap(), 0, namelen * sizeof(WCHAR) )))
 109     {
 110         const IMAGE_RESOURCE_DIRECTORY_ENTRY *entry;
 111         const IMAGE_RESOURCE_DIR_STRING_U *str;
 112         int min, max, res, pos;
 113
 114         MultiByteToWideChar( CP_ACP, 0, name, -1, nameW, namelen );
 115         namelen--;  /* remove terminating null */
 116         entry = (const IMAGE_RESOURCE_DIRECTORY_ENTRY *)(dir + 1);
 117         min = 0;
 118         max = dir->NumberOfNamedEntries - 1;
 119         while (min <= max)
 120         {
 121             pos = (min + max) / 2;
 122             str = (const IMAGE_RESOURCE_DIR_STRING_U *)((const char *)root + entry[pos].u.s.NameOffset);
 123             res = strncmpiW( nameW, str->NameString, str->Length );
 124             if (!res && namelen == str->Length)
 125             {
 126                 ret = (const IMAGE_RESOURCE_DIRECTORY *)((const char *)root + entry[pos].u2.s2.OffsetToDirectory);
 127                 break;
 128             }
 129             if (res < 0) max = pos - 1;
 130             else min = pos + 1;
 131         }
 132         HeapFree( GetProcessHeap(), 0, nameW );
 133     }
 134     return ret;
 135 }
 136
 137
 138 /***********************************************************************
 139  *           read_xx_header         [internal]
 140  */
 141 static int read_xx_header( HFILE lzfd )
 142 {
 143     IMAGE_DOS_HEADER mzh;
 144     char magic[3];
 145
 146     LZSeek( lzfd, 0, SEEK_SET );
 147     if ( sizeof(mzh) != LZRead( lzfd, (LPSTR)&mzh, sizeof(mzh) ) )
 148         return 0;
 149     if ( mzh.e_magic != IMAGE_DOS_SIGNATURE )
 150         return 0;
 151
 152     LZSeek( lzfd, mzh.e_lfanew, SEEK_SET );
 153     if ( 2 != LZRead( lzfd, magic, 2 ) )
 154         return 0;
 155
 156     LZSeek( lzfd, mzh.e_lfanew, SEEK_SET );
 157
 158     if ( magic[0] == 'N' && magic[1] == 'E' )
 159         return IMAGE_OS2_SIGNATURE;
 160     if ( magic[0] == 'P' && magic[1] == 'E' )
 161         return IMAGE_NT_SIGNATURE;
 162
 163     magic[2] = '\0';
 164     WARN("Can't handle %s files.\n", magic );
 165     return 0;
 166 }
 167
 168 /***********************************************************************
 169  *           find_ne_resource         [internal]
 170  */
 171 static BOOL find_ne_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
 172                                 DWORD *resLen, DWORD *resOff )
 173 {
 174     IMAGE_OS2_HEADER nehd;
 175     NE_TYPEINFO *typeInfo;
 176     NE_NAMEINFO *nameInfo;
 177     DWORD nehdoffset;
 178     LPBYTE resTab;
 179     DWORD resTabSize;
 180     int count;
 181
 182     /* Read in NE header */
 183     nehdoffset = LZSeek( lzfd, 0, SEEK_CUR );
 184     if ( sizeof(nehd) != LZRead( lzfd, (LPSTR)&nehd, sizeof(nehd) ) ) return 0;
 185
 186     resTabSize = nehd.ne_restab - nehd.ne_rsrctab;
 187     if ( !resTabSize )
 188     {
 189         TRACE("No resources in NE dll\n" );
 190         return FALSE;
 191     }
 192
 193     /* Read in resource table */
 194     resTab = HeapAlloc( GetProcessHeap(), 0, resTabSize );
 195     if ( !resTab ) return FALSE;
 196
 197     LZSeek( lzfd, nehd.ne_rsrctab + nehdoffset, SEEK_SET );
 198     if ( resTabSize != LZRead( lzfd, (char*)resTab, resTabSize ) )
 199     {
 200         HeapFree( GetProcessHeap(), 0, resTab );
 201         return FALSE;
 202     }
 203
 204     /* Find resource */
 205     typeInfo = (NE_TYPEINFO *)(resTab + 2);
 206
 207     if (HIWORD(typeid) != 0)  /* named type */
 208     {
 209         BYTE len = strlen( typeid );
 210         while (typeInfo->type_id)
 211         {
 212             if (!(typeInfo->type_id & 0x8000))
 213             {
 214                 BYTE *p = resTab + typeInfo->type_id;
 215                 if ((*p == len) && !strncasecmp( (char*)p+1, typeid, len )) goto found_type;
 216             }
 217             typeInfo = (NE_TYPEINFO *)((char *)(typeInfo + 1) +
 218                                        typeInfo->count * sizeof(NE_NAMEINFO));
 219         }
 220     }
 221     else  /* numeric type id */
 222     {
 223         WORD id = LOWORD(typeid) | 0x8000;
 224         while (typeInfo->type_id)
 225         {
 226             if (typeInfo->type_id == id) goto found_type;
 227             typeInfo = (NE_TYPEINFO *)((char *)(typeInfo + 1) +
 228                                        typeInfo->count * sizeof(NE_NAMEINFO));
 229         }
 230     }
 231     TRACE("No typeid entry found for %p\n", typeid );
 232     HeapFree( GetProcessHeap(), 0, resTab );
 233     return FALSE;
 234
 235  found_type:
 236     nameInfo = (NE_NAMEINFO *)(typeInfo + 1);
 237
 238     if (HIWORD(resid) != 0)  /* named resource */
 239     {
 240         BYTE len = strlen( resid );
 241         for (count = typeInfo->count; count > 0; count--, nameInfo++)
 242         {
 243             BYTE *p = resTab + nameInfo->id;
 244             if (nameInfo->id & 0x8000) continue;
 245             if ((*p == len) && !strncasecmp( (char*)p+1, resid, len )) goto found_name;
 246         }
 247     }
 248     else  /* numeric resource id */
 249     {
 250         WORD id = LOWORD(resid) | 0x8000;
 251         for (count = typeInfo->count; count > 0; count--, nameInfo++)
 252             if (nameInfo->id == id) goto found_name;
 253     }
 254     TRACE("No resid entry found for %p\n", typeid );
 255     HeapFree( GetProcessHeap(), 0, resTab );
 256     return FALSE;
 257
 258  found_name:
 259     /* Return resource data */
 260     if ( resLen ) *resLen = nameInfo->length << *(WORD *)resTab;
 261     if ( resOff ) *resOff = nameInfo->offset << *(WORD *)resTab;
 262
 263     HeapFree( GetProcessHeap(), 0, resTab );
 264     return TRUE;
 265 }
 266
 267 /***********************************************************************
 268  *           find_pe_resource         [internal]
 269  */
 270 static BOOL find_pe_resource( HFILE lzfd, LPCSTR typeid, LPCSTR resid,
 271                                 DWORD *resLen, DWORD *resOff )
 272 {
 273     IMAGE_NT_HEADERS pehd;
 274     DWORD pehdoffset;
 275     PIMAGE_DATA_DIRECTORY resDataDir;
 276     PIMAGE_SECTION_HEADER sections;
 277     LPBYTE resSection;
 278     DWORD resSectionSize;
 279     const void *resDir;
 280     const IMAGE_RESOURCE_DIRECTORY *resPtr;
 281     const IMAGE_RESOURCE_DATA_ENTRY *resData;
 282     int i, nSections;
 283     BOOL ret = FALSE;
 284
 285     /* Read in PE header */
 286     pehdoffset = LZSeek( lzfd, 0, SEEK_CUR );
 287     if ( sizeof(pehd) != LZRead( lzfd, (LPSTR)&pehd, sizeof(pehd) ) ) return 0;
 288
 289     resDataDir = pehd.OptionalHeader.DataDirectory+IMAGE_DIRECTORY_ENTRY_RESOURCE;
 290     if ( !resDataDir->Size )
 291     {
 292         TRACE("No resources in PE dll\n" );
 293         return FALSE;
 294     }
 295
 296     /* Read in section table */
 297     nSections = pehd.FileHeader.NumberOfSections;
 298     sections = HeapAlloc( GetProcessHeap(), 0,
 299                           nSections * sizeof(IMAGE_SECTION_HEADER) );
 300     if ( !sections ) return FALSE;
 301
 302     LZSeek( lzfd, pehdoffset +
 303                     sizeof(DWORD) + /* Signature */
 304                     sizeof(IMAGE_FILE_HEADER) +
 305                     pehd.FileHeader.SizeOfOptionalHeader, SEEK_SET );
 306
 307     if ( nSections * sizeof(IMAGE_SECTION_HEADER) !=
 308          LZRead( lzfd, (LPSTR)sections, nSections * sizeof(IMAGE_SECTION_HEADER) ) )
 309     {
 310         HeapFree( GetProcessHeap(), 0, sections );
 311         return FALSE;
 312     }
 313
 314     /* Find resource section */
 315     for ( i = 0; i < nSections; i++ )
 316         if (    resDataDir->VirtualAddress >= sections[i].VirtualAddress
 317              && resDataDir->VirtualAddress <  sections[i].VirtualAddress +
 318                                               sections[i].SizeOfRawData )
 319             break;
 320
 321     if ( i == nSections )
 322     {
 323         HeapFree( GetProcessHeap(), 0, sections );
 324         TRACE("Couldn't find resource section\n" );
 325         return FALSE;
 326     }
 327
 328     /* Read in resource section */
 329     resSectionSize = sections[i].SizeOfRawData;
 330     resSection = HeapAlloc( GetProcessHeap(), 0, resSectionSize );
 331     if ( !resSection )
 332     {
 333         HeapFree( GetProcessHeap(), 0, sections );
 334         return FALSE;
 335     }
 336
 337     LZSeek( lzfd, sections[i].PointerToRawData, SEEK_SET );
 338     if ( resSectionSize != LZRead( lzfd, (char*)resSection, resSectionSize ) ) goto done;
 339
 340     /* Find resource */
 341     resDir = resSection + (resDataDir->VirtualAddress - sections[i].VirtualAddress);
 342
 343     resPtr = resDir;
 344     resPtr = find_entry_by_name( resPtr, typeid, resDir );
 345     if ( !resPtr )
 346     {
 347         TRACE("No typeid entry found for %p\n", typeid );
 348         goto done;
 349     }
 350     resPtr = find_entry_by_name( resPtr, resid, resDir );
 351     if ( !resPtr )
 352     {
 353         TRACE("No resid entry found for %p\n", resid );
 354         goto done;
 355     }
 356     resPtr = find_entry_default( resPtr, resDir );
 357     if ( !resPtr )
 358     {
 359         TRACE("No default language entry found for %p\n", resid );
 360         goto done;
 361     }
 362
 363     /* Find resource data section */
 364     resData = (const IMAGE_RESOURCE_DATA_ENTRY*)resPtr;
 365     for ( i = 0; i < nSections; i++ )
 366         if (    resData->OffsetToData >= sections[i].VirtualAddress
 367              && resData->OffsetToData <  sections[i].VirtualAddress +
 368                                          sections[i].SizeOfRawData )
 369             break;
 370
 371     if ( i == nSections )
 372     {
 373         TRACE("Couldn't find resource data section\n" );
 374         goto done;
 375     }
 376
 377     /* Return resource data */
 378     if ( resLen ) *resLen = resData->Size;
 379     if ( resOff ) *resOff = resData->OffsetToData - sections[i].VirtualAddress
 380                             + sections[i].PointerToRawData;
 381     ret = TRUE;
 382
 383  done:
 384     HeapFree( GetProcessHeap(), 0, resSection );
 385     HeapFree( GetProcessHeap(), 0, sections );
 386     return ret;
 387 }
 388
 389
 390 /***********************************************************************
 391  *           find_resource         [internal]
 392  */
 393 static DWORD find_resource( HFILE lzfd, LPCSTR type, LPCSTR id, DWORD *reslen, DWORD *offset )
 394 {
 395     DWORD magic = read_xx_header( lzfd );
 396
 397     switch (magic)
 398     {
 399     case IMAGE_OS2_SIGNATURE:
 400         if (!find_ne_resource( lzfd, type, id, reslen, offset )) magic = 0;
 401         break;
 402     case IMAGE_NT_SIGNATURE:
 403         if (!find_pe_resource( lzfd, type, id, reslen, offset )) magic = 0;
 404         break;
 405     }
 406     return magic;
 407 }
 408
 409
 410 /*************************************************************************
 411  * GetFileResourceSize                     [VER.2]
 412  */
 413 DWORD WINAPI GetFileResourceSize16( LPCSTR lpszFileName, LPCSTR lpszResType,
 414                                     LPCSTR lpszResId, LPDWORD lpdwFileOffset )
 415 {
 416     HFILE lzfd;
 417     OFSTRUCT ofs;
 418     DWORD reslen = 0;
 419
 420     TRACE("(%s,type=%p,id=%p,off=%p)\n",
 421           debugstr_a(lpszFileName), lpszResType, lpszResId, lpszResId );
 422
 423     lzfd = LZOpenFileA( (LPSTR)lpszFileName, &ofs, OF_READ );
 424     if (lzfd >= 0)
 425     {
 426         if (!find_resource( lzfd, lpszResType, lpszResId, &reslen, lpdwFileOffset )) reslen = 0;
 427         LZClose( lzfd );
 428     }
 429     return reslen;
 430 }
 431
 432
 433 /*************************************************************************
 434  * GetFileResource                         [VER.3]
 435  */
 436 DWORD WINAPI GetFileResource16( LPCSTR lpszFileName, LPCSTR lpszResType,
 437                                 LPCSTR lpszResId, DWORD dwFileOffset,
 438                                 DWORD dwResLen, LPVOID lpvData )
 439 {
 440     HFILE lzfd;
 441     OFSTRUCT ofs;
 442     DWORD reslen = dwResLen;
 443
 444     TRACE("(%s,type=%p,id=%p,off=%d,len=%d,data=%p)\n",
 445                 debugstr_a(lpszFileName), lpszResType, lpszResId,
 446                 dwFileOffset, dwResLen, lpvData );
 447
 448     lzfd = LZOpenFileA( (LPSTR)lpszFileName, &ofs, OF_READ );
 449     if ( lzfd < 0 ) return 0;
 450
 451     if ( !dwFileOffset )
 452     {
 453         if (!find_resource( lzfd, lpszResType, lpszResId, &reslen, &dwFileOffset ))
 454         {
 455             LZClose( lzfd );
 456             return 0;
 457         }
 458     }
 459
 460     LZSeek( lzfd, dwFileOffset, SEEK_SET );
 461     reslen = LZRead( lzfd, lpvData, min( reslen, dwResLen ) );
 462     LZClose( lzfd );
 463
 464     return reslen;
 465 }
 466
 467 /*************************************************************************
 468  * GetFileVersionInfoSize                  [VER.6]
 469  */
 470 DWORD WINAPI GetFileVersionInfoSize16( LPCSTR lpszFileName, LPDWORD lpdwHandle )
 471 {
 472     TRACE("(%s, %p)\n", debugstr_a(lpszFileName), lpdwHandle );
 473     return GetFileVersionInfoSizeA( lpszFileName, lpdwHandle );
 474 }
 475
 476 /*************************************************************************
 477  * GetFileVersionInfo                      [VER.7]
 478  */
 479 DWORD WINAPI GetFileVersionInfo16( LPCSTR lpszFileName, DWORD handle,
 480                                    DWORD cbBuf, LPVOID lpvData )
 481 {
 482     TRACE("(%s, %08x, %d, %p)\n",
 483                 debugstr_a(lpszFileName), handle, cbBuf, lpvData );
 484
 485     return GetFileVersionInfoA( lpszFileName, handle, cbBuf, lpvData );
 486 }
 487
 488 /*************************************************************************
 489  * VerFindFile                             [VER.8]
 490  */
 491 DWORD WINAPI VerFindFile16( UINT16 flags, LPSTR lpszFilename,
 492                             LPSTR lpszWinDir, LPSTR lpszAppDir,
 493                             LPSTR lpszCurDir, UINT16 *lpuCurDirLen,
 494                             LPSTR lpszDestDir, UINT16 *lpuDestDirLen )
 495 {
 496     UINT curDirLen, destDirLen;
 497     UINT *pcurDirLen = NULL, *pdestDirLen = NULL;
 498     DWORD retv;
 499
 500     if (lpuCurDirLen) {
 501         curDirLen = *lpuCurDirLen;
 502         pcurDirLen = &curDirLen;
 503     }
 504     if (lpuDestDirLen) {
 505         destDirLen = *lpuDestDirLen;
 506         pdestDirLen = &destDirLen;
 507     }
 508     retv = VerFindFileA( flags, lpszFilename, lpszWinDir, lpszAppDir,
 509                                 lpszCurDir, pcurDirLen, lpszDestDir, pdestDirLen );
 510     if (lpuCurDirLen)
 511         *lpuCurDirLen = (UINT16)curDirLen;
 512     if (lpuDestDirLen)
 513         *lpuDestDirLen = (UINT16)destDirLen;
 514     return retv;
 515 }
 516
 517 /*************************************************************************
 518  * VerInstallFile                          [VER.9]
 519  */
 520 DWORD WINAPI VerInstallFile16( UINT16 flags,
 521                                LPSTR lpszSrcFilename, LPSTR lpszDestFilename,
 522                                LPSTR lpszSrcDir, LPSTR lpszDestDir, LPSTR lpszCurDir,
 523                                LPSTR lpszTmpFile, UINT16 *lpwTmpFileLen )
 524 {
 525     UINT filelen;
 526     DWORD retv = VerInstallFileA( flags, lpszSrcFilename, lpszDestFilename,
 527                                     lpszSrcDir, lpszDestDir, lpszCurDir,
 528                                     lpszTmpFile, &filelen);
 529
 530     *lpwTmpFileLen = (UINT16)filelen;
 531     return retv;
 532 }
 533
 534 /*************************************************************************
 535  * VerLanguageName                        [VER.10]
 536  */
 537 DWORD WINAPI VerLanguageName16( UINT16 uLang, LPSTR lpszLang, UINT16 cbLang )
 538 {
 539     return VerLanguageNameA( uLang, lpszLang, cbLang );
 540 }
 541
 542 /*************************************************************************
 543  * VerQueryValue                          [VER.11]
 544  */
 545 DWORD WINAPI VerQueryValue16( SEGPTR spvBlock, LPSTR lpszSubBlock,
 546                               SEGPTR *lpspBuffer, UINT16 *lpcb )
 547 {
 548     LPVOID lpvBlock = MapSL( spvBlock );
 549     LPVOID buffer = lpvBlock;
 550     UINT buflen;
 551     DWORD retv;
 552
 553     TRACE("(%p, %s, %p, %p)\n",
 554                 lpvBlock, debugstr_a(lpszSubBlock), lpspBuffer, lpcb );
 555
 556     retv = VerQueryValueA( lpvBlock, lpszSubBlock, &buffer, &buflen );
 557     if ( !retv ) return FALSE;
 558
 559     if ( OFFSETOF( spvBlock ) + ((char *) buffer - (char *) lpvBlock) >= 0x10000 )
 560     {
 561         FIXME("offset %08X too large relative to %04X:%04X\n",
 562                (char *) buffer - (char *) lpvBlock, SELECTOROF( spvBlock ), OFFSETOF( spvBlock ) );
 563         return FALSE;
 564     }
 565
 566     if (lpcb) *lpcb = buflen;
 567     *lpspBuffer = (SEGPTR) ((char *) spvBlock + ((char *) buffer - (char *) lpvBlock));
 568
 569     return retv;
 570 }