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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 #define WIN32_NO_STATUS
  33 #include "windef.h"
  34 #include "wine/unicode.h"
  35 #include "wine/debug.h"
  36 #include "ntdll_misc.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(ver);
  39
  40 typedef enum
  41 {
  42     WIN20,   /* Windows 2.0 */
  43     WIN30,   /* Windows 3.0 */
  44     WIN31,   /* Windows 3.1 */
  45     WIN95,   /* Windows 95 */
  46     WIN98,   /* Windows 98 */
  47     WINME,   /* Windows Me */
  48     NT351,   /* Windows NT 3.51 */
  49     NT40,    /* Windows NT 4.0 */
  50     NT2K,    /* Windows 2000 */
  51     WINXP,   /* Windows XP */
  52     WIN2K3,  /* Windows 2003 */
  53     WINVISTA,/* Windows Vista */
  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 www.mdgx.com/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     /* WINVISTA */
 141     {
 142         sizeof(RTL_OSVERSIONINFOEXW), 6, 0, 0x1770, VER_PLATFORM_WIN32_NT,
 143         {' ',0},
 144         0, 0, VER_SUITE_SINGLEUSERTS, VER_NT_WORKSTATION, 0
 145     }
 146 };
 147
 148 static const char * const WinVersionNames[NB_WINDOWS_VERSIONS] =
 149 { /* no spaces in here ! */
 150     "win20",                      /* WIN20 */
 151     "win30",                      /* WIN30 */
 152     "win31",                      /* WIN31 */
 153     "win95",                      /* WIN95 */
 154     "win98",                      /* WIN98 */
 155     "winme",                      /* WINME */
 156     "nt351",                      /* NT351 */
 157     "nt40",                       /* NT40 */
 158     "win2000,win2k,nt2k,nt2000",  /* NT2K */
 159     "winxp",                      /* WINXP */
 160     "win2003,win2k3",             /* WIN2K3 */
 161     "vista,winvista"              /* WINVISTA*/
 162 };
 163
 164
 165 /* initialized to null so that we crash if we try to retrieve the version too early at startup */
 166 static const RTL_OSVERSIONINFOEXW *current_version;
 167
 168
 169 /**********************************************************************
 170  *         get_nt_registry_version
 171  *
 172  * Fetch the version information from the NT-style registry keys.
 173  */
 174 static BOOL get_nt_registry_version( RTL_OSVERSIONINFOEXW *version )
 175 {
 176     static const WCHAR version_keyW[] = {'M','a','c','h','i','n','e','\\',
 177                                          'S','o','f','t','w','a','r','e','\\',
 178                                          'M','i','c','r','o','s','o','f','t','\\',
 179                                          'W','i','n','d','o','w','s',' ','N','T','\\',
 180                                          'C','u','r','r','e','n','t','V','e','r','s','i','o','n',0};
 181     static const WCHAR service_pack_keyW[] = {'M','a','c','h','i','n','e','\\',
 182                                               'S','y','s','t','e','m','\\',
 183                                               'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
 184                                               'C','o','n','t','r','o','l','\\',
 185                                               'W','i','n','d','o','w','s',0};
 186     static const WCHAR product_keyW[] = {'M','a','c','h','i','n','e','\\',
 187                                          'S','y','s','t','e','m','\\',
 188                                          'C','u','r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
 189                                          'C','o','n','t','r','o','l','\\',
 190                                          'P','r','o','d','u','c','t','O','p','t','i','o','n','s',0};
 191     static const WCHAR CurrentBuildNumberW[] = {'C','u','r','r','e','n','t','B','u','i','l','d','N','u','m','b','e','r',0};
 192     static const WCHAR CSDVersionW[] = {'C','S','D','V','e','r','s','i','o','n',0};
 193     static const WCHAR CurrentVersionW[] = {'C','u','r','r','e','n','t','V','e','r','s','i','o','n',0};
 194     static const WCHAR ProductTypeW[] = {'P','r','o','d','u','c','t','T','y','p','e',0};
 195     static const WCHAR WinNTW[]    = {'W','i','n','N','T',0};
 196     static const WCHAR ServerNTW[] = {'S','e','r','v','e','r','N','T',0};
 197     static const WCHAR LanmanNTW[] = {'L','a','n','m','a','n','N','T',0};
 198
 199     OBJECT_ATTRIBUTES attr;
 200     UNICODE_STRING nameW, valueW;
 201     HANDLE hkey, hkey2;
 202     char tmp[64];
 203     DWORD count;
 204     BOOL ret = FALSE;
 205     KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)tmp;
 206
 207     attr.Length = sizeof(attr);
 208     attr.RootDirectory = 0;
 209     attr.ObjectName = &nameW;
 210     attr.Attributes = 0;
 211     attr.SecurityDescriptor = NULL;
 212     attr.SecurityQualityOfService = NULL;
 213     RtlInitUnicodeString( &nameW, version_keyW );
 214
 215     if (NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr )) return FALSE;
 216
 217     memset( version, 0, sizeof(*version) );
 218
 219     RtlInitUnicodeString( &valueW, CurrentVersionW );
 220     if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
 221     {
 222         WCHAR *p, *str = (WCHAR *)info->Data;
 223         str[info->DataLength / sizeof(WCHAR)] = 0;
 224         p = strchrW( str, '.' );
 225         if (p)
 226         {
 227             *p++ = 0;
 228             version->dwMinorVersion = atoiW( p );
 229         }
 230         version->dwMajorVersion = atoiW( str );
 231     }
 232
 233     if (version->dwMajorVersion)   /* we got the main version, now fetch the other fields */
 234     {
 235         ret = TRUE;
 236         version->dwPlatformId = VER_PLATFORM_WIN32_NT;
 237
 238         /* get build number */
 239
 240         RtlInitUnicodeString( &valueW, CurrentBuildNumberW );
 241         if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
 242         {
 243             WCHAR *str = (WCHAR *)info->Data;
 244             str[info->DataLength / sizeof(WCHAR)] = 0;
 245             version->dwBuildNumber = atoiW( str );
 246         }
 247
 248         /* get version description */
 249
 250         RtlInitUnicodeString( &valueW, CSDVersionW );
 251         if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
 252         {
 253             DWORD len = min( info->DataLength, sizeof(version->szCSDVersion) - sizeof(WCHAR) );
 254             memcpy( version->szCSDVersion, info->Data, len );
 255             version->szCSDVersion[len / sizeof(WCHAR)] = 0;
 256         }
 257
 258         /* get service pack version */
 259
 260         RtlInitUnicodeString( &nameW, service_pack_keyW );
 261         if (!NtOpenKey( &hkey2, KEY_ALL_ACCESS, &attr ))
 262         {
 263             RtlInitUnicodeString( &valueW, CSDVersionW );
 264             if (!NtQueryValueKey( hkey2, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp), &count ))
 265             {
 266                 if (info->DataLength >= sizeof(DWORD))
 267                 {
 268                     DWORD dw = *(DWORD *)info->Data;
 269                     version->wServicePackMajor = LOWORD(dw) >> 8;
 270                     version->wServicePackMinor = LOWORD(dw) & 0xff;
 271                 }
 272             }
 273             NtClose( hkey2 );
 274         }
 275
 276         /* get product type */
 277
 278         RtlInitUnicodeString( &nameW, product_keyW );
 279         if (!NtOpenKey( &hkey2, KEY_ALL_ACCESS, &attr ))
 280         {
 281             RtlInitUnicodeString( &valueW, ProductTypeW );
 282             if (!NtQueryValueKey( hkey2, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
 283             {
 284                 WCHAR *str = (WCHAR *)info->Data;
 285                 str[info->DataLength / sizeof(WCHAR)] = 0;
 286                 if (!strcmpiW( str, WinNTW )) version->wProductType = VER_NT_WORKSTATION;
 287                 else if (!strcmpiW( str, LanmanNTW )) version->wProductType = VER_NT_DOMAIN_CONTROLLER;
 288                 else if (!strcmpiW( str, ServerNTW )) version->wProductType = VER_NT_SERVER;
 289             }
 290             NtClose( hkey2 );
 291         }
 292
 293         /* FIXME: get wSuiteMask */
 294     }
 295
 296     NtClose( hkey );
 297     return ret;
 298 }
 299
 300
 301 /**********************************************************************
 302  *         get_win9x_registry_version
 303  *
 304  * Fetch the version information from the Win9x-style registry keys.
 305  */
 306 static BOOL get_win9x_registry_version( RTL_OSVERSIONINFOEXW *version )
 307 {
 308     static const WCHAR version_keyW[] = {'M','a','c','h','i','n','e','\\',
 309                                          'S','o','f','t','w','a','r','e','\\',
 310                                          'M','i','c','r','o','s','o','f','t','\\',
 311                                          'W','i','n','d','o','w','s','\\',
 312                                          'C','u','r','r','e','n','t','V','e','r','s','i','o','n',0};
 313     static const WCHAR VersionNumberW[] = {'V','e','r','s','i','o','n','N','u','m','b','e','r',0};
 314     static const WCHAR SubVersionNumberW[] = {'S','u','b','V','e','r','s','i','o','n','N','u','m','b','e','r',0};
 315
 316     OBJECT_ATTRIBUTES attr;
 317     UNICODE_STRING nameW, valueW;
 318     HANDLE hkey;
 319     char tmp[64];
 320     DWORD count;
 321     BOOL ret = FALSE;
 322     KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)tmp;
 323
 324     attr.Length = sizeof(attr);
 325     attr.RootDirectory = 0;
 326     attr.ObjectName = &nameW;
 327     attr.Attributes = 0;
 328     attr.SecurityDescriptor = NULL;
 329     attr.SecurityQualityOfService = NULL;
 330     RtlInitUnicodeString( &nameW, version_keyW );
 331
 332     if (NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr )) return FALSE;
 333
 334     memset( version, 0, sizeof(*version) );
 335
 336     RtlInitUnicodeString( &valueW, VersionNumberW );
 337     if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
 338     {
 339         WCHAR *p, *str = (WCHAR *)info->Data;
 340         str[info->DataLength / sizeof(WCHAR)] = 0;
 341         p = strchrW( str, '.' );
 342         if (p) *p++ = 0;
 343         version->dwMajorVersion = atoiW( str );
 344         if (p)
 345         {
 346             str = p;
 347             p = strchrW( str, '.' );
 348             if (p)
 349             {
 350                 *p++ = 0;
 351                 version->dwBuildNumber = atoiW( p );
 352             }
 353             version->dwMinorVersion = atoiW( str );
 354         }
 355         /* build number contains version too on Win9x */
 356         version->dwBuildNumber |= MAKEWORD( version->dwMinorVersion, version->dwMajorVersion ) << 16;
 357     }
 358
 359     if (version->dwMajorVersion)   /* we got the main version, now fetch the other fields */
 360     {
 361         ret = TRUE;
 362         version->dwPlatformId = VER_PLATFORM_WIN32_WINDOWS;
 363
 364         RtlInitUnicodeString( &valueW, SubVersionNumberW );
 365         if (!NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp)-1, &count ))
 366         {
 367             DWORD len = min( info->DataLength, sizeof(version->szCSDVersion) - sizeof(WCHAR) );
 368             memcpy( version->szCSDVersion, info->Data, len );
 369             version->szCSDVersion[len / sizeof(WCHAR)] = 0;
 370         }
 371     }
 372
 373     NtClose( hkey );
 374     return ret;
 375 }
 376
 377
 378 /**********************************************************************
 379  *         parse_win_version
 380  *
 381  * Parse the contents of the Version key.
 382  */
 383 static BOOL parse_win_version( HANDLE hkey )
 384 {
 385     static const WCHAR VersionW[] = {'V','e','r','s','i','o','n',0};
 386
 387     UNICODE_STRING valueW;
 388     char tmp[64], buffer[50];
 389     KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)tmp;
 390     DWORD count, len;
 391     int i;
 392
 393     RtlInitUnicodeString( &valueW, VersionW );
 394     if (NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp), &count ))
 395         return FALSE;
 396
 397     RtlUnicodeToMultiByteN( buffer, sizeof(buffer)-1, &len, (WCHAR *)info->Data, info->DataLength );
 398     buffer[len] = 0;
 399
 400     for (i = 0; i < NB_WINDOWS_VERSIONS; i++)
 401     {
 402         const char *p, *pCurr = WinVersionNames[i];
 403         /* iterate through all winver aliases separated by comma */
 404         do {
 405             p = strchr(pCurr, ',');
 406             len = p ? p - pCurr : strlen(pCurr);
 407             if ( (!strncmp( pCurr, buffer, len )) && (buffer[len] == 0) )
 408             {
 409                 current_version = &VersionData[i];
 410                 TRACE( "got win version %s\n", WinVersionNames[i] );
 411                 return TRUE;
 412             }
 413             pCurr = p+1;
 414         } while (p);
 415     }
 416
 417     MESSAGE("Invalid Windows version value '%s' specified in config file.\n", buffer );
 418     MESSAGE("Valid versions are:" );
 419     for (i = 0; i < NB_WINDOWS_VERSIONS; i++)
 420     {
 421         /* only list the first, "official" alias in case of aliases */
 422         const char *pCurr = WinVersionNames[i];
 423         const char *p = strchr(pCurr, ',');
 424         len = (p) ? p - pCurr : strlen(pCurr);
 425
 426         MESSAGE(" '%.*s'%c", (int)len, pCurr, (i == NB_WINDOWS_VERSIONS - 1) ? '\n' : ',' );
 427     }
 428     return FALSE;
 429 }
 430
 431
 432 /**********************************************************************
 433  *         version_init
 434  */
 435 void version_init( const WCHAR *appname )
 436 {
 437     static const WCHAR configW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
 438     static const WCHAR appdefaultsW[] = {'A','p','p','D','e','f','a','u','l','t','s','\\',0};
 439
 440     OBJECT_ATTRIBUTES attr;
 441     UNICODE_STRING nameW;
 442     HANDLE root, hkey, config_key;
 443     BOOL got_win_ver = FALSE;
 444
 445     current_version = &VersionData[NT2K];  /* default if nothing else is specified */
 446
 447     RtlOpenCurrentUser( KEY_ALL_ACCESS, &root );
 448     attr.Length = sizeof(attr);
 449     attr.RootDirectory = root;
 450     attr.ObjectName = &nameW;
 451     attr.Attributes = 0;
 452     attr.SecurityDescriptor = NULL;
 453     attr.SecurityQualityOfService = NULL;
 454     RtlInitUnicodeString( &nameW, configW );
 455
 456     /* @@ Wine registry key: HKCU\Software\Wine */
 457     if (NtOpenKey( &config_key, KEY_ALL_ACCESS, &attr )) config_key = 0;
 458     NtClose( root );
 459     if (!config_key) goto done;
 460
 461     /* open AppDefaults\\appname key */
 462     if (appname && *appname)
 463     {
 464         const WCHAR *p;
 465         WCHAR appversion[MAX_PATH+20];
 466
 467         if ((p = strrchrW( appname, '/' ))) appname = p + 1;
 468         if ((p = strrchrW( appname, '\\' ))) appname = p + 1;
 469
 470         strcpyW( appversion, appdefaultsW );
 471         strcatW( appversion, appname );
 472         RtlInitUnicodeString( &nameW, appversion );
 473         attr.RootDirectory = config_key;
 474
 475         /* @@ Wine registry key: HKCU\Software\Wine\AppDefaults\app.exe */
 476         if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
 477         {
 478             TRACE( "getting version from %s\n", debugstr_w(appversion) );
 479             got_win_ver = parse_win_version( hkey );
 480             NtClose( hkey );
 481         }
 482     }
 483
 484     if (!got_win_ver)
 485     {
 486         TRACE( "getting default version\n" );
 487         got_win_ver = parse_win_version( config_key );
 488     }
 489     NtClose( config_key );
 490
 491 done:
 492     if (!got_win_ver)
 493     {
 494         static RTL_OSVERSIONINFOEXW registry_version;
 495
 496         TRACE( "getting registry version\n" );
 497         if (get_nt_registry_version( &registry_version ) ||
 498             get_win9x_registry_version( &registry_version ))
 499             current_version = &registry_version;
 500     }
 501
 502
 503     NtCurrentTeb()->Peb->OSMajorVersion = current_version->dwMajorVersion;
 504     NtCurrentTeb()->Peb->OSMinorVersion = current_version->dwMinorVersion;
 505     NtCurrentTeb()->Peb->OSBuildNumber  = current_version->dwBuildNumber;
 506     NtCurrentTeb()->Peb->OSPlatformId   = current_version->dwPlatformId;
 507
 508     TRACE( "got %d.%d plaform %d build %x name %s service pack %d.%d product %d\n",
 509            current_version->dwMajorVersion, current_version->dwMinorVersion,
 510            current_version->dwPlatformId, current_version->dwBuildNumber,
 511            debugstr_w(current_version->szCSDVersion),
 512            current_version->wServicePackMajor, current_version->wServicePackMinor,
 513            current_version->wProductType );
 514 }
 515
 516
 517 /***********************************************************************
 518  *         RtlGetVersion   (NTDLL.@)
 519  */
 520 NTSTATUS WINAPI RtlGetVersion( RTL_OSVERSIONINFOEXW *info )
 521 {
 522     info->dwMajorVersion = current_version->dwMajorVersion;
 523     info->dwMinorVersion = current_version->dwMinorVersion;
 524     info->dwBuildNumber  = current_version->dwBuildNumber;
 525     info->dwPlatformId   = current_version->dwPlatformId;
 526     strcpyW( info->szCSDVersion, current_version->szCSDVersion );
 527     if(info->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
 528     {
 529         info->wServicePackMajor = current_version->wServicePackMajor;
 530         info->wServicePackMinor = current_version->wServicePackMinor;
 531         info->wSuiteMask        = current_version->wSuiteMask;
 532         info->wProductType      = current_version->wProductType;
 533     }
 534     return STATUS_SUCCESS;
 535 }
 536
 537
 538 /******************************************************************************
 539  *  RtlGetNtVersionNumbers   (NTDLL.@)
 540  *
 541  * Get the version numbers of the run time library.
 542  *
 543  * PARAMS
 544  *  major [O] Destination for the Major version
 545  *  minor [O] Destination for the Minor version
 546  *  build [O] Destination for the Build version
 547  *
 548  * RETURNS
 549  *  Nothing.
 550  *
 551  * NOTES
 552  * Introduced in Windows XP (NT5.1)
 553  */
 554 void WINAPI RtlGetNtVersionNumbers( LPDWORD major, LPDWORD minor, LPDWORD build )
 555 {
 556     if (major) *major = current_version->dwMajorVersion;
 557     if (minor) *minor = current_version->dwMinorVersion;
 558     /* FIXME: Does anybody know the real formula? */
 559     if (build) *build = (0xF0000000 | current_version->dwBuildNumber);
 560 }
 561
 562
 563 /******************************************************************************
 564  *  RtlGetNtProductType   (NTDLL.@)
 565  */
 566 BOOLEAN WINAPI RtlGetNtProductType( LPDWORD type )
 567 {
 568     if (type) *type = current_version->wProductType;
 569     return TRUE;
 570 }
 571
 572
 573 static inline NTSTATUS version_compare_values(ULONG left, ULONG right, UCHAR condition)
 574 {
 575     switch (condition) {
 576         case VER_EQUAL:
 577             if (left != right) return STATUS_REVISION_MISMATCH;
 578             break;
 579         case VER_GREATER:
 580             if (left <= right) return STATUS_REVISION_MISMATCH;
 581             break;
 582         case VER_GREATER_EQUAL:
 583             if (left < right) return STATUS_REVISION_MISMATCH;
 584             break;
 585         case VER_LESS:
 586             if (left >= right) return STATUS_REVISION_MISMATCH;
 587             break;
 588         case VER_LESS_EQUAL:
 589             if (left > right) return STATUS_REVISION_MISMATCH;
 590             break;
 591         default:
 592             return STATUS_REVISION_MISMATCH;
 593     }
 594     return STATUS_SUCCESS;
 595 }
 596
 597 /******************************************************************************
 598  *        RtlVerifyVersionInfo   (NTDLL.@)
 599  */
 600 NTSTATUS WINAPI RtlVerifyVersionInfo( const RTL_OSVERSIONINFOEXW *info,
 601                                       DWORD dwTypeMask, DWORDLONG dwlConditionMask )
 602 {
 603     RTL_OSVERSIONINFOEXW ver;
 604     NTSTATUS status;
 605
 606     TRACE("(%p,0x%x,0x%s)\n", info, dwTypeMask, wine_dbgstr_longlong(dwlConditionMask));
 607
 608     ver.dwOSVersionInfoSize = sizeof(ver);
 609     if ((status = RtlGetVersion( &ver )) != STATUS_SUCCESS) return status;
 610
 611     if(!(dwTypeMask && dwlConditionMask)) return STATUS_INVALID_PARAMETER;
 612
 613     if(dwTypeMask & VER_PRODUCT_TYPE)
 614     {
 615         status = version_compare_values(ver.wProductType, info->wProductType, dwlConditionMask >> 7*3 & 0x07);
 616         if (status != STATUS_SUCCESS)
 617             return status;
 618     }
 619     if(dwTypeMask & VER_SUITENAME)
 620         switch(dwlConditionMask >> 6*3 & 0x07)
 621         {
 622             case VER_AND:
 623                 if((info->wSuiteMask & ver.wSuiteMask) != info->wSuiteMask)
 624                     return STATUS_REVISION_MISMATCH;
 625                 break;
 626             case VER_OR:
 627                 if(!(info->wSuiteMask & ver.wSuiteMask) && info->wSuiteMask)
 628                     return STATUS_REVISION_MISMATCH;
 629                 break;
 630             default:
 631                 return STATUS_INVALID_PARAMETER;
 632         }
 633     if(dwTypeMask & VER_PLATFORMID)
 634     {
 635         status = version_compare_values(ver.dwPlatformId, info->dwPlatformId, dwlConditionMask >> 3*3 & 0x07);
 636         if (status != STATUS_SUCCESS)
 637             return status;
 638     }
 639     if(dwTypeMask & VER_BUILDNUMBER)
 640     {
 641         status = version_compare_values(ver.dwBuildNumber, info->dwBuildNumber, dwlConditionMask >> 2*3 & 0x07);
 642         if (status != STATUS_SUCCESS)
 643             return status;
 644     }
 645
 646     if(dwTypeMask & (VER_MAJORVERSION|VER_MINORVERSION|VER_SERVICEPACKMAJOR|VER_SERVICEPACKMINOR))
 647     {
 648         unsigned char condition = 0;
 649         BOOLEAN do_next_check = TRUE;
 650
 651         if(dwTypeMask & VER_MAJORVERSION)
 652             condition = dwlConditionMask >> 1*3 & 0x07;
 653         else if(dwTypeMask & VER_MINORVERSION)
 654             condition = dwlConditionMask >> 0*3 & 0x07;
 655         else if(dwTypeMask & VER_SERVICEPACKMAJOR)
 656             condition = dwlConditionMask >> 5*3 & 0x07;
 657         else if(dwTypeMask & VER_SERVICEPACKMINOR)
 658             condition = dwlConditionMask >> 4*3 & 0x07;
 659
 660         if(dwTypeMask & VER_MAJORVERSION)
 661         {
 662             status = version_compare_values(ver.dwMajorVersion, info->dwMajorVersion, condition);
 663             do_next_check = (ver.dwMajorVersion == info->dwMajorVersion) &&
 664                 ((condition != VER_EQUAL) || (status == STATUS_SUCCESS));
 665         }
 666         if((dwTypeMask & VER_MINORVERSION) && do_next_check)
 667         {
 668             status = version_compare_values(ver.dwMinorVersion, info->dwMinorVersion, condition);
 669             do_next_check = (ver.dwMinorVersion == info->dwMinorVersion) &&
 670                 ((condition != VER_EQUAL) || (status == STATUS_SUCCESS));
 671         }
 672         if((dwTypeMask & VER_SERVICEPACKMAJOR) && do_next_check)
 673         {
 674             status = version_compare_values(ver.wServicePackMajor, info->wServicePackMajor, condition);
 675             do_next_check = (ver.wServicePackMajor == info->wServicePackMajor) &&
 676                 ((condition != VER_EQUAL) || (status == STATUS_SUCCESS));
 677         }
 678         if((dwTypeMask & VER_SERVICEPACKMINOR) && do_next_check)
 679         {
 680             status = version_compare_values(ver.wServicePackMinor, info->wServicePackMinor, condition);
 681         }
 682
 683         if (status != STATUS_SUCCESS)
 684             return status;
 685     }
 686
 687     return STATUS_SUCCESS;
 688 }