dlls/version/info.c

   1 /*
   2  * Implementation of VERSION.DLL - Version Info access
   3  *
   4  * Copyright 1996,1997 Marcus Meissner
   5  * Copyright 1997 David Cuthbert
   6  * Copyright 1999 Ulrich Weigand
   7  */
   8
   9 #include <stdlib.h>
  10 #include <string.h>
  11
  12 #include "winreg.h"
  13 #include "winver.h"
  14 #include "wine/winuser16.h"
  15 #include "wine/unicode.h"
  16 #include "winerror.h"
  17 #include "debugtools.h"
  18
  19 DEFAULT_DEBUG_CHANNEL(ver);
  20
  21
  22 /******************************************************************************
  23  *
  24  *   This function will print via dprintf[_]ver to stddeb debug info regarding
  25  *   the file info structure vffi.
  26  *      15-Feb-1998 Dimitrie Paun (dimi@cs.toronto.edu)
  27  *      Added this function to clean up the code.
  28  *
  29  *****************************************************************************/
  30 static void print_vffi_debug(VS_FIXEDFILEINFO *vffi)
  31 {
  32         TRACE(" structversion=%u.%u, fileversion=%u.%u.%u.%u, productversion=%u.%u.%u.%u, flagmask=0x%lx, flags=%s%s%s%s%s%s\n",
  33                     HIWORD(vffi->dwStrucVersion),LOWORD(vffi->dwStrucVersion),
  34                     HIWORD(vffi->dwFileVersionMS),LOWORD(vffi->dwFileVersionMS),
  35                     HIWORD(vffi->dwFileVersionLS),LOWORD(vffi->dwFileVersionLS),
  36                     HIWORD(vffi->dwProductVersionMS),LOWORD(vffi->dwProductVersionMS),
  37                     HIWORD(vffi->dwProductVersionLS),LOWORD(vffi->dwProductVersionLS),
  38                     vffi->dwFileFlagsMask,
  39                     (vffi->dwFileFlags & VS_FF_DEBUG) ? "DEBUG," : "",
  40                     (vffi->dwFileFlags & VS_FF_PRERELEASE) ? "PRERELEASE," : "",
  41                     (vffi->dwFileFlags & VS_FF_PATCHED) ? "PATCHED," : "",
  42                     (vffi->dwFileFlags & VS_FF_PRIVATEBUILD) ? "PRIVATEBUILD," : "",
  43                     (vffi->dwFileFlags & VS_FF_INFOINFERRED) ? "INFOINFERRED," : "",
  44                     (vffi->dwFileFlags & VS_FF_SPECIALBUILD) ? "SPECIALBUILD," : ""
  45                     );
  46
  47         TRACE("(");
  48         DPRINTF(" OS=0x%x.0x%x ",
  49                 HIWORD(vffi->dwFileOS),
  50                 LOWORD(vffi->dwFileOS)
  51         );
  52         switch (vffi->dwFileOS&0xFFFF0000) {
  53         case VOS_DOS:DPRINTF("DOS,");break;
  54         case VOS_OS216:DPRINTF("OS/2-16,");break;
  55         case VOS_OS232:DPRINTF("OS/2-32,");break;
  56         case VOS_NT:DPRINTF("NT,");break;
  57         case VOS_UNKNOWN:
  58         default:
  59                 DPRINTF("UNKNOWN(0x%lx),",vffi->dwFileOS&0xFFFF0000);break;
  60         }
  61         switch (LOWORD(vffi->dwFileOS)) {
  62         case VOS__BASE:DPRINTF("BASE");break;
  63         case VOS__WINDOWS16:DPRINTF("WIN16");break;
  64         case VOS__WINDOWS32:DPRINTF("WIN32");break;
  65         case VOS__PM16:DPRINTF("PM16");break;
  66         case VOS__PM32:DPRINTF("PM32");break;
  67         default:DPRINTF("UNKNOWN(0x%x)",LOWORD(vffi->dwFileOS));break;
  68         }
  69         DPRINTF(")\n");
  70
  71         switch (vffi->dwFileType) {
  72         default:
  73         case VFT_UNKNOWN:
  74                 TRACE("filetype=Unknown(0x%lx)",vffi->dwFileType);
  75                 break;
  76         case VFT_APP:TRACE("filetype=APP,");break;
  77         case VFT_DLL:TRACE("filetype=DLL,");break;
  78         case VFT_DRV:
  79                 TRACE("filetype=DRV,");
  80                 switch(vffi->dwFileSubtype) {
  81                 default:
  82                 case VFT2_UNKNOWN:
  83                         DPRINTF("UNKNOWN(0x%lx)",vffi->dwFileSubtype);
  84                         break;
  85                 case VFT2_DRV_PRINTER:
  86                         DPRINTF("PRINTER");
  87                         break;
  88                 case VFT2_DRV_KEYBOARD:
  89                         DPRINTF("KEYBOARD");
  90                         break;
  91                 case VFT2_DRV_LANGUAGE:
  92                         DPRINTF("LANGUAGE");
  93                         break;
  94                 case VFT2_DRV_DISPLAY:
  95                         DPRINTF("DISPLAY");
  96                         break;
  97                 case VFT2_DRV_MOUSE:
  98                         DPRINTF("MOUSE");
  99                         break;
 100                 case VFT2_DRV_NETWORK:
 101                         DPRINTF("NETWORK");
 102                         break;
 103                 case VFT2_DRV_SYSTEM:
 104                         DPRINTF("SYSTEM");
 105                         break;
 106                 case VFT2_DRV_INSTALLABLE:
 107                         DPRINTF("INSTALLABLE");
 108                         break;
 109                 case VFT2_DRV_SOUND:
 110                         DPRINTF("SOUND");
 111                         break;
 112                 case VFT2_DRV_COMM:
 113                         DPRINTF("COMM");
 114                         break;
 115                 case VFT2_DRV_INPUTMETHOD:
 116                         DPRINTF("INPUTMETHOD");
 117                         break;
 118                 }
 119                 break;
 120         case VFT_FONT:
 121                 TRACE("filetype=FONT.");
 122                 switch (vffi->dwFileSubtype) {
 123                 default:
 124                         DPRINTF("UNKNOWN(0x%lx)",vffi->dwFileSubtype);
 125                         break;
 126                 case VFT2_FONT_RASTER:DPRINTF("RASTER");break;
 127                 case VFT2_FONT_VECTOR:DPRINTF("VECTOR");break;
 128                 case VFT2_FONT_TRUETYPE:DPRINTF("TRUETYPE");break;
 129                 }
 130                 break;
 131         case VFT_VXD:TRACE("filetype=VXD");break;
 132         case VFT_STATIC_LIB:TRACE("filetype=STATIC_LIB");break;
 133         }
 134         DPRINTF("\n");
 135         TRACE("  filedata=0x%lx.0x%lx\n",
 136                     vffi->dwFileDateMS,vffi->dwFileDateLS);
 137 }
 138
 139
 140 /***********************************************************************
 141  * Version Info Structure
 142  */
 143
 144 typedef struct
 145 {
 146     WORD  wLength;
 147     WORD  wValueLength;
 148     CHAR  szKey[1];
 149 #if 0   /* variable length structure */
 150     /* DWORD aligned */
 151     BYTE  Value[];
 152     /* DWORD aligned */
 153     VS_VERSION_INFO_STRUCT16 Children[];
 154 #endif
 155 } VS_VERSION_INFO_STRUCT16;
 156
 157 typedef struct
 158 {
 159     WORD  wLength;
 160     WORD  wValueLength;
 161     WORD  bText;
 162     WCHAR szKey[1];
 163 #if 0   /* variable length structure */
 164     /* DWORD aligned */
 165     BYTE  Value[];
 166     /* DWORD aligned */
 167     VS_VERSION_INFO_STRUCT32 Children[];
 168 #endif
 169 } VS_VERSION_INFO_STRUCT32;
 170
 171 #define VersionInfoIs16( ver ) \
 172     ( ((VS_VERSION_INFO_STRUCT16 *)ver)->szKey[0] >= ' ' )
 173
 174 #define DWORD_ALIGN( base, ptr ) \
 175     ( (LPBYTE)(base) + ((((LPBYTE)(ptr) - (LPBYTE)(base)) + 3) & ~3) )
 176
 177 #define VersionInfo16_Value( ver )  \
 178     DWORD_ALIGN( (ver), (ver)->szKey + strlen((ver)->szKey) + 1 )
 179 #define VersionInfo32_Value( ver )  \
 180     DWORD_ALIGN( (ver), (ver)->szKey + strlenW((ver)->szKey) + 1 )
 181
 182 #define VersionInfo16_Children( ver )  \
 183     (VS_VERSION_INFO_STRUCT16 *)( VersionInfo16_Value( ver ) + \
 184                            ( ( (ver)->wValueLength + 3 ) & ~3 ) )
 185 #define VersionInfo32_Children( ver )  \
 186     (VS_VERSION_INFO_STRUCT32 *)( VersionInfo32_Value( ver ) + \
 187                            ( ( (ver)->wValueLength * \
 188                                ((ver)->bText? 2 : 1) + 3 ) & ~3 ) )
 189
 190 #define VersionInfo16_Next( ver ) \
 191     (VS_VERSION_INFO_STRUCT16 *)( (LPBYTE)ver + (((ver)->wLength + 3) & ~3) )
 192 #define VersionInfo32_Next( ver ) \
 193     (VS_VERSION_INFO_STRUCT32 *)( (LPBYTE)ver + (((ver)->wLength + 3) & ~3) )
 194
 195 /***********************************************************************
 196  *           ConvertVersionInfo32To16        [internal]
 197  */
 198 void ConvertVersionInfo32To16( VS_VERSION_INFO_STRUCT32 *info32,
 199                                VS_VERSION_INFO_STRUCT16 *info16 )
 200 {
 201     /* Copy data onto local stack to prevent overwrites */
 202     WORD wLength = info32->wLength;
 203     WORD wValueLength = info32->wValueLength;
 204     WORD bText = info32->bText;
 205     LPBYTE lpValue = VersionInfo32_Value( info32 );
 206     VS_VERSION_INFO_STRUCT32 *child32 = VersionInfo32_Children( info32 );
 207     VS_VERSION_INFO_STRUCT16 *child16;
 208
 209     TRACE("Converting %p to %p\n", info32, info16 );
 210     TRACE("wLength %d, wValueLength %d, bText %d, value %p, child %p\n",
 211                 wLength, wValueLength, bText, lpValue, child32 );
 212
 213     /* Convert key */
 214     WideCharToMultiByte( CP_ACP, 0, info32->szKey, -1, info16->szKey, 0x7fffffff, NULL, NULL );
 215
 216     TRACE("Copied key from %p to %p: %s\n", info32->szKey, info16->szKey,
 217                 debugstr_a(info16->szKey) );
 218
 219     /* Convert value */
 220     if ( wValueLength == 0 )
 221     {
 222         info16->wValueLength = 0;
 223         TRACE("No value present\n" );
 224     }
 225     else if ( bText )
 226     {
 227         info16->wValueLength = WideCharToMultiByte( CP_ACP, 0, (LPCWSTR)lpValue, -1, NULL, 0, NULL, NULL );
 228         WideCharToMultiByte( CP_ACP, 0, (LPCWSTR)lpValue, -1,
 229                              VersionInfo16_Value( info16 ), info16->wValueLength, NULL, NULL );
 230
 231         TRACE("Copied value from %p to %p: %s\n", lpValue,
 232                     VersionInfo16_Value( info16 ),
 233                     debugstr_a(VersionInfo16_Value( info16 )) );
 234     }
 235     else
 236     {
 237         info16->wValueLength = wValueLength;
 238         memmove( VersionInfo16_Value( info16 ), lpValue, wValueLength );
 239
 240         TRACE("Copied value from %p to %p: %d bytes\n", lpValue,
 241                      VersionInfo16_Value( info16 ), wValueLength );
 242     }
 243
 244     /* Convert children */
 245     child16 = VersionInfo16_Children( info16 );
 246     while ( (DWORD)child32 < (DWORD)info32 + wLength )
 247     {
 248         VS_VERSION_INFO_STRUCT32 *nextChild = VersionInfo32_Next( child32 );
 249
 250         ConvertVersionInfo32To16( child32, child16 );
 251
 252         child16 = VersionInfo16_Next( child16 );
 253         child32 = nextChild;
 254     }
 255
 256     /* Fixup length */
 257     info16->wLength = (DWORD)child16 - (DWORD)info16;
 258
 259     TRACE("Finished, length is %d (%p - %p)\n",
 260                 info16->wLength, info16, child16 );
 261 }
 262
 263
 264 /***********************************************************************
 265  *           GetFileVersionInfoSizeA         [VERSION.2]
 266  */
 267 DWORD WINAPI GetFileVersionInfoSizeA( LPCSTR filename, LPDWORD handle )
 268 {
 269     VS_FIXEDFILEINFO *vffi;
 270     DWORD len, ret, offset;
 271     BYTE buf[144];
 272
 273     TRACE("(%s,%p)\n", debugstr_a(filename), handle );
 274
 275     len = GetFileResourceSize16( filename,
 276                                  MAKEINTRESOURCEA(VS_FILE_INFO),
 277                                  MAKEINTRESOURCEA(VS_VERSION_INFO),
 278                                  &offset );
 279     if (!len) return 0;
 280
 281     ret = GetFileResource16( filename,
 282                              MAKEINTRESOURCEA(VS_FILE_INFO),
 283                              MAKEINTRESOURCEA(VS_VERSION_INFO),
 284                              offset, sizeof( buf ), buf );
 285     if (!ret) return 0;
 286
 287     if ( handle ) *handle = offset;
 288
 289     if ( VersionInfoIs16( buf ) )
 290         vffi = (VS_FIXEDFILEINFO *)VersionInfo16_Value( (VS_VERSION_INFO_STRUCT16 *)buf );
 291     else
 292         vffi = (VS_FIXEDFILEINFO *)VersionInfo32_Value( (VS_VERSION_INFO_STRUCT32 *)buf );
 293
 294     if ( vffi->dwSignature != VS_FFI_SIGNATURE )
 295     {
 296         WARN("vffi->dwSignature is 0x%08lx, but not 0x%08lx!\n",
 297                    vffi->dwSignature, VS_FFI_SIGNATURE );
 298         return 0;
 299     }
 300
 301     if ( ((VS_VERSION_INFO_STRUCT16 *)buf)->wLength < len )
 302         len = ((VS_VERSION_INFO_STRUCT16 *)buf)->wLength;
 303
 304     if ( TRACE_ON(ver) )
 305         print_vffi_debug( vffi );
 306
 307     return len;
 308 }
 309
 310 /***********************************************************************
 311  *           GetFileVersionInfoSizeW         [VERSION.3]
 312  */
 313 DWORD WINAPI GetFileVersionInfoSizeW( LPCWSTR filename, LPDWORD handle )
 314 {
 315     DWORD ret, len = WideCharToMultiByte( CP_ACP, 0, filename, -1, NULL, 0, NULL, NULL );
 316     LPSTR fn = HeapAlloc( GetProcessHeap(), 0, len );
 317     WideCharToMultiByte( CP_ACP, 0, filename, -1, fn, len, NULL, NULL );
 318     ret = GetFileVersionInfoSizeA( fn, handle );
 319     HeapFree( GetProcessHeap(), 0, fn );
 320     return ret;
 321 }
 322
 323 /***********************************************************************
 324  *           GetFileVersionInfoA             [VERSION.1]
 325  */
 326 DWORD WINAPI GetFileVersionInfoA( LPCSTR filename, DWORD handle,
 327                                     DWORD datasize, LPVOID data )
 328 {
 329     TRACE("(%s,%ld,size=%ld,data=%p)\n",
 330                 debugstr_a(filename), handle, datasize, data );
 331
 332     if ( !GetFileResource16( filename, MAKEINTRESOURCEA(VS_FILE_INFO),
 333                                        MAKEINTRESOURCEA(VS_VERSION_INFO),
 334                                        handle, datasize, data ) )
 335         return FALSE;
 336
 337     if (    datasize >= sizeof(VS_VERSION_INFO_STRUCT16)
 338          && datasize >= ((VS_VERSION_INFO_STRUCT16 *)data)->wLength
 339          && !VersionInfoIs16( data ) )
 340     {
 341         /* convert resource from PE format to NE format */
 342         ConvertVersionInfo32To16( (VS_VERSION_INFO_STRUCT32 *)data,
 343                                   (VS_VERSION_INFO_STRUCT16 *)data );
 344     }
 345
 346     return TRUE;
 347 }
 348
 349 /***********************************************************************
 350  *           GetFileVersionInfoW             [VERSION.4]
 351  */
 352 DWORD WINAPI GetFileVersionInfoW( LPCWSTR filename, DWORD handle,
 353                                     DWORD datasize, LPVOID data )
 354 {
 355     DWORD len = WideCharToMultiByte( CP_ACP, 0, filename, -1, NULL, 0, NULL, NULL );
 356     LPSTR fn = HeapAlloc( GetProcessHeap(), 0, len );
 357     DWORD retv = TRUE;
 358
 359     WideCharToMultiByte( CP_ACP, 0, filename, -1, fn, len, NULL, NULL );
 360
 361     TRACE("(%s,%ld,size=%ld,data=%p)\n",
 362                 debugstr_w(filename), handle, datasize, data );
 363
 364     if ( !GetFileResource16( fn, MAKEINTRESOURCEA(VS_FILE_INFO),
 365                                  MAKEINTRESOURCEA(VS_VERSION_INFO),
 366                                  handle, datasize, data ) )
 367         retv = FALSE;
 368
 369     else if (    datasize >= sizeof(VS_VERSION_INFO_STRUCT16)
 370               && datasize >= ((VS_VERSION_INFO_STRUCT16 *)data)->wLength
 371               && VersionInfoIs16( data ) )
 372     {
 373         ERR("Cannot access NE resource in %s\n", debugstr_a(fn) );
 374         retv =  FALSE;
 375     }
 376
 377     HeapFree( GetProcessHeap(), 0, fn );
 378     return retv;
 379 }
 380
 381
 382 /***********************************************************************
 383  *           VersionInfo16_FindChild             [internal]
 384  */
 385 static VS_VERSION_INFO_STRUCT16 *VersionInfo16_FindChild( VS_VERSION_INFO_STRUCT16 *info,
 386                                             LPCSTR szKey, UINT cbKey )
 387 {
 388     VS_VERSION_INFO_STRUCT16 *child = VersionInfo16_Children( info );
 389
 390     while ( (DWORD)child < (DWORD)info + info->wLength )
 391     {
 392         if ( !strncasecmp( child->szKey, szKey, cbKey ) )
 393             return child;
 394
 395         if (!(child->wLength)) return NULL;
 396         child = VersionInfo16_Next( child );
 397     }
 398
 399     return NULL;
 400 }
 401
 402 /***********************************************************************
 403  *           VersionInfo32_FindChild             [internal]
 404  */
 405 static VS_VERSION_INFO_STRUCT32 *VersionInfo32_FindChild( VS_VERSION_INFO_STRUCT32 *info,
 406                                             LPCWSTR szKey, UINT cbKey )
 407 {
 408     VS_VERSION_INFO_STRUCT32 *child = VersionInfo32_Children( info );
 409
 410     while ( (DWORD)child < (DWORD)info + info->wLength )
 411     {
 412         if ( !strncmpiW( child->szKey, szKey, cbKey ) )
 413             return child;
 414
 415         child = VersionInfo32_Next( child );
 416     }
 417
 418     return NULL;
 419 }
 420
 421 /***********************************************************************
 422  *           VerQueryValueA              [VERSION.12]
 423  */
 424 DWORD WINAPI VerQueryValueA( LPVOID pBlock, LPCSTR lpSubBlock,
 425                                LPVOID *lplpBuffer, UINT *puLen )
 426 {
 427     VS_VERSION_INFO_STRUCT16 *info = (VS_VERSION_INFO_STRUCT16 *)pBlock;
 428     if ( !VersionInfoIs16( info ) )
 429     {
 430         INT len;
 431         LPWSTR wide_str;
 432         DWORD give;
 433
 434         /* <lawson_whitney@juno.com> Feb 2001 */
 435         /* AOL 5.0 does this, expecting to get this: */
 436         len = MultiByteToWideChar(CP_ACP, 0, lpSubBlock, -1, NULL, 0);
 437         wide_str = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 438         MultiByteToWideChar(CP_ACP, 0, lpSubBlock, -1, wide_str, len);
 439
 440         give = VerQueryValueW(pBlock, wide_str, lplpBuffer, puLen);
 441         HeapFree(GetProcessHeap(), 0, wide_str);
 442         return give;
 443     }
 444
 445     TRACE("(%p,%s,%p,%p)\n",
 446                 pBlock, debugstr_a(lpSubBlock), lplpBuffer, puLen );
 447
 448     while ( *lpSubBlock )
 449     {
 450         /* Find next path component */
 451         LPCSTR lpNextSlash;
 452         for ( lpNextSlash = lpSubBlock; *lpNextSlash; lpNextSlash++ )
 453             if ( *lpNextSlash == '\\' )
 454                 break;
 455
 456         /* Skip empty components */
 457         if ( lpNextSlash == lpSubBlock )
 458         {
 459             lpSubBlock++;
 460             continue;
 461         }
 462
 463         /* We have a non-empty component: search info for key */
 464         info = VersionInfo16_FindChild( info, lpSubBlock, lpNextSlash-lpSubBlock );
 465         if ( !info ) return FALSE;
 466
 467         /* Skip path component */
 468         lpSubBlock = lpNextSlash;
 469     }
 470
 471     /* Return value */
 472     *lplpBuffer = VersionInfo16_Value( info );
 473     *puLen = info->wValueLength;
 474
 475     return TRUE;
 476 }
 477
 478 /***********************************************************************
 479  *           VerQueryValueW              [VERSION.13]
 480  */
 481 DWORD WINAPI VerQueryValueW( LPVOID pBlock, LPCWSTR lpSubBlock,
 482                                LPVOID *lplpBuffer, UINT *puLen )
 483 {
 484     VS_VERSION_INFO_STRUCT32 *info = (VS_VERSION_INFO_STRUCT32 *)pBlock;
 485     if ( VersionInfoIs16( info ) )
 486     {
 487         ERR("called on NE resource!\n" );
 488         return FALSE;
 489     }
 490
 491     TRACE("(%p,%s,%p,%p)\n",
 492                 pBlock, debugstr_w(lpSubBlock), lplpBuffer, puLen );
 493
 494     while ( *lpSubBlock )
 495     {
 496         /* Find next path component */
 497         LPCWSTR lpNextSlash;
 498         for ( lpNextSlash = lpSubBlock; *lpNextSlash; lpNextSlash++ )
 499             if ( *lpNextSlash == '\\' )
 500                 break;
 501
 502         /* Skip empty components */
 503         if ( lpNextSlash == lpSubBlock )
 504         {
 505             lpSubBlock++;
 506             continue;
 507         }
 508
 509         /* We have a non-empty component: search info for key */
 510         info = VersionInfo32_FindChild( info, lpSubBlock, lpNextSlash-lpSubBlock );
 511         if ( !info ) return FALSE;
 512
 513         /* Skip path component */
 514         lpSubBlock = lpNextSlash;
 515     }
 516
 517     /* Return value */
 518     *lplpBuffer = VersionInfo32_Value( info );
 519     *puLen = info->wValueLength;
 520
 521     return TRUE;
 522 }
 523