git.oblomov.eu Git - wine/blob - dlls/ntdll/version.c

   1 /*
   2  * Windows and DOS version functions
   3  *
   4  * Copyright 1997 Marcus Meissner
   5  * Copyright 1998 Patrik Stridvall
   6  * Copyright 1998, 2003 Andreas Mohr
   7  * Copyright 1997, 2003 Alexandre Julliard
   8  *
   9  * This library is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public
  11  * License as published by the Free Software Foundation; either
  12  * version 2.1 of the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  */
  23
  24 #include "config.h"
  25 #include "wine/port.h"
  26
  27 #include <string.h>
  28 #include <stdlib.h>
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include "ntstatus.h"
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winreg.h"
  35 #include "wine/unicode.h"
  36 #include "wine/debug.h"
  37 #include "ntdll_misc.h"
  38
  39 WINE_DEFAULT_DEBUG_CHANNEL(ver);
  40
  41 typedef enum
  42 {
  43     WIN20,   /* Windows 2.0 */
  44     WIN30,   /* Windows 3.0 */
  45     WIN31,   /* Windows 3.1 */
  46     WIN95,   /* Windows 95 */
  47     WIN98,   /* Windows 98 */
  48     WINME,   /* Windows Me */
  49     NT351,   /* Windows NT 3.51 */
  50     NT40,    /* Windows NT 4.0 */
  51     NT2K,    /* Windows 2000 */
  52     WINXP,   /* Windows XP */
  53     WIN2K3,  /* Windows 2003 */
  54     NB_WINDOWS_VERSIONS
  55 } WINDOWS_VERSION;
  56
  57 /* FIXME: compare values below with original and fix.
  58  * An *excellent* win9x version page (ALL versions !)
  59  * can be found at members.aol.com/axcel216/ver.htm */
  60 static const RTL_OSVERSIONINFOEXW VersionData[NB_WINDOWS_VERSIONS] =
  61 {
  62     /* WIN20 FIXME: verify values */
  63     {
  64         sizeof(RTL_OSVERSIONINFOEXW), 2, 0, 0, VER_PLATFORM_WIN32s,
  65         {'W','i','n','3','2','s',' ','1','.','3',0},
  66         0, 0, 0, 0, 0
  67     },
  68     /* WIN30 FIXME: verify values */
  69     {
  70         sizeof(RTL_OSVERSIONINFOEXW), 3, 0, 0, VER_PLATFORM_WIN32s,
  71         {'W','i','n','3','2','s',' ','1','.','3',0},
  72         0, 0, 0, 0, 0
  73     },
  74     /* WIN31 */
  75     {
  76         sizeof(RTL_OSVERSIONINFOEXW), 3, 10, 0, VER_PLATFORM_WIN32s,
  77         {'W','i','n','3','2','s',' ','1','.','3',0},
  78         0, 0, 0, 0, 0
  79     },
  80     /* WIN95 */
  81     {
  82         /* Win95:       4, 0, 0x40003B6, ""
  83          * Win95sp1:    4, 0, 0x40003B6, " A " (according to doc)
  84          * Win95osr2:   4, 0, 0x4000457, " B " (according to doc)
  85          * Win95osr2.1: 4, 3, 0x40304BC, " B " (according to doc)
  86          * Win95osr2.5: 4, 3, 0x40304BE, " C " (according to doc)
  87          * Win95a/b can be discerned via regkey SubVersionNumber
  88          * See also:
  89          * http://support.microsoft.com/support/kb/articles/q158/2/38.asp
  90          */
  91         sizeof(RTL_OSVERSIONINFOEXW), 4, 0, 0x40003B6, VER_PLATFORM_WIN32_WINDOWS,
  92         {0},
  93         0, 0, 0, 0, 0
  94     },
  95     /* WIN98 (second edition) */
  96     {
  97         /* Win98:   4, 10, 0x40A07CE, " "   4.10.1998
  98          * Win98SE: 4, 10, 0x40A08AE, " A " 4.10.2222
  99          */
 100         sizeof(RTL_OSVERSIONINFOEXW), 4, 10, 0x40A08AE, VER_PLATFORM_WIN32_WINDOWS,
 101         {' ','A',' ',0},
 102         0, 0, 0, 0, 0
 103     },
 104     /* WINME */
 105     {
 106         sizeof(RTL_OSVERSIONINFOEXW), 4, 90, 0x45A0BB8, VER_PLATFORM_WIN32_WINDOWS,
 107         {' ',0},
 108         0, 0, 0, 0, 0
 109     },
 110     /* NT351 */
 111     {
 112         sizeof(RTL_OSVERSIONINFOEXW), 3, 51, 0x421, VER_PLATFORM_WIN32_NT,
 113         {'S','e','r','v','i','c','e',' ','P','a','c','k',' ','2',0},
 114         0, 0, 0, 0, 0
 115     },
 116     /* NT40 */
 117     {
 118         sizeof(RTL_OSVERSIONINFOEXW), 4, 0, 0x565, VER_PLATFORM_WIN32_NT,
 119         {'S','e','r','v','i','c','e',' ','P','a','c','k',' ','6','a',0},
 120         6, 0, 0, VER_NT_WORKSTATION, 0
 121     },
 122     /* NT2K */
 123     {
 124         sizeof(RTL_OSVERSIONINFOEXW), 5, 0, 0x893, VER_PLATFORM_WIN32_NT,
 125         {'S','e','r','v','i','c','e',' ','P','a','c','k',' ','4',0},
 126         4, 0, 0, VER_NT_WORKSTATION, 30 /* FIXME: Great, a reserved field with a value! */
 127     },
 128     /* WINXP */
 129     {
 130         sizeof(RTL_OSVERSIONINFOEXW), 5, 1, 0xA28, VER_PLATFORM_WIN32_NT,
 131         {'S','e','r','v','i','c','e',' ','P','a','c','k',' ','2',0},
 132         2, 0, VER_SUITE_SINGLEUSERTS, VER_NT_WORKSTATION, 30 /* FIXME: Great, a reserved field with a value! */
 133     },
 134     /* WIN2K3 */
 135     {
 136         sizeof(RTL_OSVERSIONINFOEXW), 5, 2, 0xECE, VER_PLATFORM_WIN32_NT,
 137         {'S','e','r','v','i','c','e',' ','P','a','c','k',' ','1',0},
 138         1, 0, VER_SUITE_SINGLEUSERTS, VER_NT_SERVER, 0
 139     }
 140 };
 141
 142 static const char * const WinVersionNames[NB_WINDOWS_VERSIONS] =
 143 { /* no spaces in here ! */
 144     "win20",                      /* WIN20 */
 145     "win30",                      /* WIN30 */
 146     "win31",                      /* WIN31 */
 147     "win95",                      /* WIN95 */
 148     "win98",                      /* WIN98 */
 149     "winme",                      /* WINME */
 150     "nt351",                      /* NT351 */
 151     "nt40",                       /* NT40 */
 152     "win2000,win2k,nt2k,nt2000",  /* NT2K */
 153     "winxp",                      /* WINXP */
 154     "win2003,win2k3"              /* WIN2K3 */
 155 };
 156
 157 /* names to print out in debug traces */
 158 static const char * const debug_names[NB_WINDOWS_VERSIONS] =
 159 {
 160     "Windows 2.0",       /* WIN20 */
 161     "Windows 3.0",       /* WIN30 */
 162     "Windows 3.1",       /* WIN31 */
 163     "Windows 95",        /* WIN95 */
 164     "Windows 98",        /* WIN98 */
 165     "Windows Me",        /* WINME */
 166     "Windows NT 3.51",   /* NT351 */
 167     "Windows NT 4.0",    /* NT40 */
 168     "Windows 2000",      /* NT2K */
 169     "Windows XP",        /* WINXP */
 170     "Windows Server 2003"/* WIN2K3 */
 171 };
 172
 173 /* if one of the following dlls is importing ntdll the windows
 174 version autodetection switches wine to unicode (nt 3.51 or 4.0) */
 175 static const WCHAR special_dlls[][16] =
 176 {
 177     {'c','o','m','d','l','g','3','2','.','d','l','l',0},
 178     {'c','o','m','c','t','l','3','2','.','d','l','l',0},
 179     {'s','h','e','l','l','3','2','.','d','l','l',0},
 180     {'o','l','e','3','2','.','d','l','l',0},
 181     {'r','p','c','r','t','4','.','d','l','l',0}
 182 };
 183
 184 /* the current version has not been autodetected but forced via cmdline */
 185 static BOOL versionForced = FALSE;
 186 static WINDOWS_VERSION forcedWinVersion; /* init value irrelevant */
 187
 188 /**********************************************************************
 189  *         parse_win_version
 190  *
 191  * Parse the contents of the Version key.
 192  */
 193 static BOOL parse_win_version( HKEY hkey )
 194 {
 195     static const WCHAR WindowsW[] = {'W','i','n','d','o','w','s',0};
 196
 197     UNICODE_STRING valueW;
 198     char tmp[64], buffer[50];
 199     KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)tmp;
 200     DWORD count, len;
 201     int i;
 202
 203     RtlInitUnicodeString( &valueW, WindowsW );
 204     if (NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp), &count ))
 205         return FALSE;
 206
 207     RtlUnicodeToMultiByteN( buffer, sizeof(buffer)-1, &len, (WCHAR *)info->Data, info->DataLength );
 208     buffer[len] = 0;
 209
 210     for (i = 0; i < NB_WINDOWS_VERSIONS; i++)
 211     {
 212         const char *p, *pCurr = WinVersionNames[i];
 213         /* iterate through all winver aliases separated by comma */
 214         do {
 215             p = strchr(pCurr, ',');
 216             len = p ? p - pCurr : strlen(pCurr);
 217             if ( (!strncmp( pCurr, buffer, len )) && (buffer[len] == 0) )
 218             {
 219                 forcedWinVersion = i;
 220                 versionForced = TRUE;
 221                 TRACE( "got win version %s\n", WinVersionNames[forcedWinVersion] );
 222                 return TRUE;
 223             }
 224             pCurr = p+1;
 225         } while (p);
 226     }
 227
 228     MESSAGE("Invalid Windows version value '%s' specified in config file.\n", buffer );
 229     MESSAGE("Valid versions are:" );
 230     for (i = 0; i < NB_WINDOWS_VERSIONS; i++)
 231     {
 232         /* only list the first, "official" alias in case of aliases */
 233         const char *pCurr = WinVersionNames[i];
 234         const char *p = strchr(pCurr, ',');
 235         len = (p) ? p - pCurr : strlen(pCurr);
 236
 237         MESSAGE(" '%.*s'%c", (int)len, pCurr, (i == NB_WINDOWS_VERSIONS - 1) ? '\n' : ',' );
 238     }
 239     return FALSE;
 240 }
 241
 242
 243 /**********************************************************************
 244  *         VERSION_Init
 245  */
 246 void VERSION_Init( const WCHAR *appname )
 247 {
 248     OBJECT_ATTRIBUTES attr;
 249     UNICODE_STRING nameW;
 250     HKEY hkey, config_key;
 251     static const WCHAR configW[] = {'M','a','c','h','i','n','e','\\',
 252                                     'S','o','f','t','w','a','r','e','\\',
 253                                     'W','i','n','e','\\',
 254                                     'W','i','n','e','\\',
 255                                     'C','o','n','f','i','g',0};
 256     static const WCHAR appdefaultsW[] = {'A','p','p','D','e','f','a','u','l','t','s','\\',0};
 257     static const WCHAR versionW[] = {'\\','V','e','r','s','i','o','n',0};
 258
 259     attr.Length = sizeof(attr);
 260     attr.RootDirectory = 0;
 261     attr.ObjectName = &nameW;
 262     attr.Attributes = 0;
 263     attr.SecurityDescriptor = NULL;
 264     attr.SecurityQualityOfService = NULL;
 265     RtlInitUnicodeString( &nameW, configW );
 266
 267     if (NtOpenKey( &config_key, KEY_ALL_ACCESS, &attr )) return;
 268     attr.RootDirectory = config_key;
 269
 270     /* open AppDefaults\\appname\\Version key */
 271     if (appname && *appname)
 272     {
 273         const WCHAR *p;
 274         WCHAR appversion[MAX_PATH+20];
 275         BOOL got_win_ver = FALSE;
 276
 277         if ((p = strrchrW( appname, '/' ))) appname = p + 1;
 278         if ((p = strrchrW( appname, '\\' ))) appname = p + 1;
 279
 280         strcpyW( appversion, appdefaultsW );
 281         strcatW( appversion, appname );
 282         strcatW( appversion, versionW );
 283         TRACE( "getting version from %s\n", debugstr_w(appversion) );
 284         RtlInitUnicodeString( &nameW, appversion );
 285
 286         if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
 287         {
 288             got_win_ver = parse_win_version( hkey );
 289             NtClose( hkey );
 290         }
 291         if (got_win_ver) goto done;
 292     }
 293
 294     TRACE( "getting default version\n" );
 295     RtlInitUnicodeString( &nameW, versionW + 1 );
 296     if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
 297     {
 298         parse_win_version( hkey );
 299         NtClose( hkey );
 300     }
 301
 302  done:
 303     NtClose( config_key );
 304 }
 305
 306 /**********************************************************************
 307  *         VERSION_GetVersion
 308  *
 309  * WARNING !!!
 310  * Don't call this function too early during the Wine init,
 311  * as pdb->exe_modref (required by VERSION_GetImageVersion()) might still
 312  * be NULL in such cases, which causes the winver to ALWAYS be detected
 313  * as WIN31.
 314  * And as we cache the winver once it has been determined, this is bad.
 315  * This can happen much easier than you might think, as this function
 316  * is called by EVERY GetVersion*() API !
 317  *
 318  */
 319 static const RTL_OSVERSIONINFOEXW *VERSION_GetVersion(void)
 320 {
 321     static WORD winver = WIN98;
 322
 323     if (versionForced)
 324         return &VersionData[forcedWinVersion];  /* user has overridden any sensible checks */
 325
 326     return &VersionData[winver];
 327 }
 328
 329
 330 /***********************************************************************
 331  *         RtlGetVersion   (NTDLL.@)
 332  */
 333 NTSTATUS WINAPI RtlGetVersion( RTL_OSVERSIONINFOEXW *info )
 334 {
 335     const RTL_OSVERSIONINFOEXW * const current = VERSION_GetVersion();
 336
 337     info->dwMajorVersion = current->dwMajorVersion;
 338     info->dwMinorVersion = current->dwMinorVersion;
 339     info->dwBuildNumber  = current->dwBuildNumber;
 340     info->dwPlatformId   = current->dwPlatformId;
 341     strcpyW( info->szCSDVersion, current->szCSDVersion );
 342     if(info->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
 343     {
 344         info->wServicePackMajor = current->wServicePackMajor;
 345         info->wServicePackMinor = current->wServicePackMinor;
 346         info->wSuiteMask        = current->wSuiteMask;
 347         info->wProductType      = current->wProductType;
 348     }
 349     TRACE("<-- %s (%s)\n", debug_names[current - VersionData], debugstr_w(current->szCSDVersion) );
 350     return STATUS_SUCCESS;
 351 }
 352
 353
 354 /******************************************************************************
 355  *  RtlGetNtVersionNumbers   (NTDLL.@)
 356  *
 357  * Get the version numbers of the run time library.
 358  *
 359  * PARAMS
 360  *  major [O] Destination for the Major version
 361  *  minor [O] Destination for the Minor version
 362  *  build [O] Destination for the Build version
 363  *
 364  * RETURNS
 365  *  Nothing.
 366  *
 367  * NOTES
 368  * Introduced in Windows XP (NT5.1)
 369  */
 370 void WINAPI RtlGetNtVersionNumbers( LPDWORD major, LPDWORD minor, LPDWORD build )
 371 {
 372     const RTL_OSVERSIONINFOEXW * const current = VERSION_GetVersion();
 373
 374     if (major) *major = current->dwMajorVersion;
 375     if (minor) *minor = current->dwMinorVersion;
 376     /* FIXME: Does anybody know the real formula? */
 377     if (build) *build = (0xF0000000 | current->dwBuildNumber);
 378 }
 379
 380
 381 /******************************************************************************
 382  *        VerifyVersionInfoW   (KERNEL32.@)
 383  */
 384 NTSTATUS WINAPI RtlVerifyVersionInfo( const RTL_OSVERSIONINFOEXW *info,
 385                                       DWORD dwTypeMask, DWORDLONG dwlConditionMask )
 386 {
 387     RTL_OSVERSIONINFOEXW ver;
 388     NTSTATUS status;
 389
 390     FIXME("(%p,%lu,%llx): Not all cases correctly implemented yet\n",
 391           info, dwTypeMask, dwlConditionMask);
 392
 393     /* FIXME:
 394         - Check the following special case on Windows (various versions):
 395           o lp->wSuiteMask == 0 and ver.wSuiteMask != 0 and VER_AND/VER_OR
 396           o lp->dwOSVersionInfoSize != sizeof(OSVERSIONINFOEXW)
 397         - MSDN talks about some tests being impossible. Check what really happens.
 398      */
 399
 400     ver.dwOSVersionInfoSize = sizeof(ver);
 401     if ((status = RtlGetVersion( &ver )) != STATUS_SUCCESS) return status;
 402
 403     if(!(dwTypeMask && dwlConditionMask)) return STATUS_INVALID_PARAMETER;
 404
 405     if(dwTypeMask & VER_PRODUCT_TYPE)
 406         switch(dwlConditionMask >> 7*3 & 0x07) {
 407             case VER_EQUAL:
 408                 if(ver.wProductType != info->wProductType) return STATUS_REVISION_MISMATCH;
 409                 break;
 410             case VER_GREATER:
 411                 if(ver.wProductType <= info->wProductType) return STATUS_REVISION_MISMATCH;
 412                 break;
 413             case VER_GREATER_EQUAL:
 414                 if(ver.wProductType < info->wProductType) return STATUS_REVISION_MISMATCH;
 415                 break;
 416             case VER_LESS:
 417                 if(ver.wProductType >= info->wProductType) return STATUS_REVISION_MISMATCH;
 418                 break;
 419             case VER_LESS_EQUAL:
 420                 if(ver.wProductType > info->wProductType) return STATUS_REVISION_MISMATCH;
 421                 break;
 422             default:
 423                 return STATUS_INVALID_PARAMETER;
 424         }
 425     if(dwTypeMask & VER_SUITENAME)
 426         switch(dwlConditionMask >> 6*3 & 0x07)
 427         {
 428             case VER_AND:
 429                 if((info->wSuiteMask & ver.wSuiteMask) != info->wSuiteMask)
 430                     return STATUS_REVISION_MISMATCH;
 431                 break;
 432             case VER_OR:
 433                 if(!(info->wSuiteMask & ver.wSuiteMask) && info->wSuiteMask)
 434                     return STATUS_REVISION_MISMATCH;
 435                 break;
 436             default:
 437                 return STATUS_INVALID_PARAMETER;
 438         }
 439     if(dwTypeMask & VER_PLATFORMID)
 440         switch(dwlConditionMask >> 3*3 & 0x07)
 441         {
 442             case VER_EQUAL:
 443                 if(ver.dwPlatformId != info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 444                 break;
 445             case VER_GREATER:
 446                 if(ver.dwPlatformId <= info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 447                 break;
 448             case VER_GREATER_EQUAL:
 449                 if(ver.dwPlatformId < info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 450                 break;
 451             case VER_LESS:
 452                 if(ver.dwPlatformId >= info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 453                 break;
 454             case VER_LESS_EQUAL:
 455                 if(ver.dwPlatformId > info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 456                 break;
 457             default:
 458                 return STATUS_INVALID_PARAMETER;
 459         }
 460     if(dwTypeMask & VER_BUILDNUMBER)
 461         switch(dwlConditionMask >> 2*3 & 0x07)
 462         {
 463             case VER_EQUAL:
 464                 if(ver.dwBuildNumber != info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 465                 break;
 466             case VER_GREATER:
 467                 if(ver.dwBuildNumber <= info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 468                 break;
 469             case VER_GREATER_EQUAL:
 470                 if(ver.dwBuildNumber < info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 471                 break;
 472             case VER_LESS:
 473                 if(ver.dwBuildNumber >= info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 474                 break;
 475             case VER_LESS_EQUAL:
 476                 if(ver.dwBuildNumber > info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 477                 break;
 478             default:
 479                 return STATUS_INVALID_PARAMETER;
 480         }
 481     if(dwTypeMask & VER_MAJORVERSION)
 482         switch(dwlConditionMask >> 1*3 & 0x07)
 483         {
 484             case VER_EQUAL:
 485                 if(ver.dwMajorVersion != info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 486                 break;
 487             case VER_GREATER:
 488                 if(ver.dwMajorVersion <= info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 489                 break;
 490             case VER_GREATER_EQUAL:
 491                 if(ver.dwMajorVersion < info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 492                 break;
 493             case VER_LESS:
 494                 if(ver.dwMajorVersion >= info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 495                 break;
 496             case VER_LESS_EQUAL:
 497                 if(ver.dwMajorVersion > info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 498                 break;
 499             default:
 500                 return STATUS_INVALID_PARAMETER;
 501         }
 502     if(dwTypeMask & VER_MINORVERSION)
 503         switch(dwlConditionMask >> 0*3 & 0x07)
 504         {
 505             case VER_EQUAL:
 506                 if(ver.dwMinorVersion != info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 507                 break;
 508             case VER_GREATER:
 509                 if(ver.dwMinorVersion <= info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 510                 break;
 511             case VER_GREATER_EQUAL:
 512                 if(ver.dwMinorVersion < info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 513                 break;
 514             case VER_LESS:
 515                 if(ver.dwMinorVersion >= info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 516                 break;
 517             case VER_LESS_EQUAL:
 518                 if(ver.dwMinorVersion > info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 519                 break;
 520             default:
 521                 return STATUS_INVALID_PARAMETER;
 522         }
 523     if(dwTypeMask & VER_SERVICEPACKMAJOR)
 524         switch(dwlConditionMask >> 5*3 & 0x07)
 525         {
 526             case VER_EQUAL:
 527                 if(ver.wServicePackMajor != info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 528                 break;
 529             case VER_GREATER:
 530                 if(ver.wServicePackMajor <= info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 531                 break;
 532             case VER_GREATER_EQUAL:
 533                 if(ver.wServicePackMajor < info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 534                 break;
 535             case VER_LESS:
 536                 if(ver.wServicePackMajor >= info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 537                 break;
 538             case VER_LESS_EQUAL:
 539                 if(ver.wServicePackMajor > info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 540                 break;
 541             default:
 542                 return STATUS_INVALID_PARAMETER;
 543         }
 544     if(dwTypeMask & VER_SERVICEPACKMINOR)
 545         switch(dwlConditionMask >> 4*3 & 0x07)
 546         {
 547             case VER_EQUAL:
 548                 if(ver.wServicePackMinor != info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 549                 break;
 550             case VER_GREATER:
 551                 if(ver.wServicePackMinor <= info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 552                 break;
 553             case VER_GREATER_EQUAL:
 554                 if(ver.wServicePackMinor < info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 555                 break;
 556             case VER_LESS:
 557                 if(ver.wServicePackMinor >= info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 558                 break;
 559             case VER_LESS_EQUAL:
 560                 if(ver.wServicePackMinor > info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 561                 break;
 562             default:
 563                 return STATUS_INVALID_PARAMETER;
 564         }
 565
 566     return STATUS_SUCCESS;
 567 }