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 "wingdi.h"
  35 #include "winuser.h"
  36 #include "winreg.h"
  37 #include "winternl.h"
  38 #include "winerror.h"
  39 #include "module.h"
  40 #include "wine/unicode.h"
  41 #include "wine/debug.h"
  42 #include "ntdll_misc.h"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(ver);
  45
  46 typedef enum
  47 {
  48     WIN20,   /* Windows 2.0 */
  49     WIN30,   /* Windows 3.0 */
  50     WIN31,   /* Windows 3.1 */
  51     WIN95,   /* Windows 95 */
  52     WIN98,   /* Windows 98 */
  53     WINME,   /* Windows Me */
  54     NT351,   /* Windows NT 3.51 */
  55     NT40,    /* Windows NT 4.0 */
  56     NT2K,    /* Windows 2000 */
  57     WINXP,   /* Windows XP */
  58     WIN2K3,  /* Windows 2003 */
  59     NB_WINDOWS_VERSIONS
  60 } WINDOWS_VERSION;
  61
  62 /* FIXME: compare values below with original and fix.
  63  * An *excellent* win9x version page (ALL versions !)
  64  * can be found at members.aol.com/axcel216/ver.htm */
  65 static const RTL_OSVERSIONINFOEXW VersionData[NB_WINDOWS_VERSIONS] =
  66 {
  67     /* WIN20 FIXME: verify values */
  68     {
  69         sizeof(RTL_OSVERSIONINFOEXW), 2, 0, 0, VER_PLATFORM_WIN32s,
  70         {'W','i','n','3','2','s',' ','1','.','3',0},
  71         0, 0, 0, 0, 0
  72     },
  73     /* WIN30 FIXME: verify values */
  74     {
  75         sizeof(RTL_OSVERSIONINFOEXW), 3, 0, 0, VER_PLATFORM_WIN32s,
  76         {'W','i','n','3','2','s',' ','1','.','3',0},
  77         0, 0, 0, 0, 0
  78     },
  79     /* WIN31 */
  80     {
  81         sizeof(RTL_OSVERSIONINFOEXW), 3, 10, 0, VER_PLATFORM_WIN32s,
  82         {'W','i','n','3','2','s',' ','1','.','3',0},
  83         0, 0, 0, 0, 0
  84     },
  85     /* WIN95 */
  86     {
  87         /* Win95:       4, 0, 0x40003B6, ""
  88          * Win95sp1:    4, 0, 0x40003B6, " A " (according to doc)
  89          * Win95osr2:   4, 0, 0x4000457, " B " (according to doc)
  90          * Win95osr2.1: 4, 3, 0x40304BC, " B " (according to doc)
  91          * Win95osr2.5: 4, 3, 0x40304BE, " C " (according to doc)
  92          * Win95a/b can be discerned via regkey SubVersionNumber
  93          * See also:
  94          * http://support.microsoft.com/support/kb/articles/q158/2/38.asp
  95          */
  96         sizeof(RTL_OSVERSIONINFOEXW), 4, 0, 0x40003B6, VER_PLATFORM_WIN32_WINDOWS,
  97         {0},
  98         0, 0, 0, 0, 0
  99     },
 100     /* WIN98 (second edition) */
 101     {
 102         /* Win98:   4, 10, 0x40A07CE, " "   4.10.1998
 103          * Win98SE: 4, 10, 0x40A08AE, " A " 4.10.2222
 104          */
 105         sizeof(RTL_OSVERSIONINFOEXW), 4, 10, 0x40A08AE, VER_PLATFORM_WIN32_WINDOWS,
 106         {' ','A',' ',0},
 107         0, 0, 0, 0, 0
 108     },
 109     /* WINME */
 110     {
 111         sizeof(RTL_OSVERSIONINFOEXW), 4, 90, 0x45A0BB8, VER_PLATFORM_WIN32_WINDOWS,
 112         {' ',0},
 113         0, 0, 0, 0, 0
 114     },
 115     /* NT351 */
 116     {
 117         sizeof(RTL_OSVERSIONINFOEXW), 3, 51, 0x421, VER_PLATFORM_WIN32_NT,
 118         {'S','e','r','v','i','c','e',' ','P','a','c','k',' ','2',0},
 119         0, 0, 0, 0, 0
 120     },
 121     /* NT40 */
 122     {
 123         sizeof(RTL_OSVERSIONINFOEXW), 4, 0, 0x565, VER_PLATFORM_WIN32_NT,
 124         {'S','e','r','v','i','c','e',' ','P','a','c','k',' ','6',0},
 125         6, 0, 0, VER_NT_WORKSTATION, 0
 126     },
 127     /* NT2K */
 128     {
 129         sizeof(RTL_OSVERSIONINFOEXW), 5, 0, 0x893, VER_PLATFORM_WIN32_NT,
 130         {'S','e','r','v','i','c','e',' ','P','a','c','k',' ','3',0},
 131         3, 0, 0, VER_NT_WORKSTATION, 30 /* FIXME: Great, a reserved field with a value! */
 132     },
 133     /* WINXP */
 134     {
 135         sizeof(RTL_OSVERSIONINFOEXW), 5, 1, 0xA28, VER_PLATFORM_WIN32_NT,
 136         {'S','e','r','v','i','c','e',' ','P','a','c','k',' ','1',0},
 137         1, 0, VER_SUITE_SINGLEUSERTS, VER_NT_WORKSTATION, 30 /* FIXME: Great, a reserved field with a value! */
 138     },
 139     /* WIN2K3 */
 140     {
 141         sizeof(RTL_OSVERSIONINFOEXW), 5, 2, 0xECE, VER_PLATFORM_WIN32_NT,
 142         {0},
 143         0, 0, VER_SUITE_SINGLEUSERTS, VER_NT_SERVER, 0
 144     }
 145 };
 146
 147 static const char * const WinVersionNames[NB_WINDOWS_VERSIONS] =
 148 { /* no spaces in here ! */
 149     "win20",                      /* WIN20 */
 150     "win30",                      /* WIN30 */
 151     "win31",                      /* WIN31 */
 152     "win95",                      /* WIN95 */
 153     "win98",                      /* WIN98 */
 154     "winme",                      /* WINME */
 155     "nt351",                      /* NT351 */
 156     "nt40",                       /* NT40 */
 157     "win2000,win2k,nt2k,nt2000",  /* NT2K */
 158     "winxp",                      /* WINXP */
 159     "win2003,win2k3"              /* WIN2K3 */
 160 };
 161
 162 /* names to print out in debug traces */
 163 static const char * const debug_names[NB_WINDOWS_VERSIONS] =
 164 {
 165     "Windows 2.0",       /* WIN20 */
 166     "Windows 3.0",       /* WIN30 */
 167     "Windows 3.1",       /* WIN31 */
 168     "Windows 95",        /* WIN95 */
 169     "Windows 98",        /* WIN98 */
 170     "Windows Me",        /* WINME */
 171     "Windows NT 3.51",   /* NT351 */
 172     "Windows NT 4.0",    /* NT40 */
 173     "Windows 2000",      /* NT2K */
 174     "Windows XP",        /* WINXP */
 175     "Windows 2003"       /* WIN2K3 */
 176 };
 177
 178 /* if one of the following dlls is importing ntdll the windows
 179 version autodetection switches wine to unicode (nt 3.51 or 4.0) */
 180 static const WCHAR special_dlls[][16] =
 181 {
 182     {'c','o','m','d','l','g','3','2','.','d','l','l',0},
 183     {'c','o','m','c','t','l','3','2','.','d','l','l',0},
 184     {'s','h','e','l','l','3','2','.','d','l','l',0},
 185     {'o','l','e','3','2','.','d','l','l',0},
 186     {'r','p','c','r','t','4','.','d','l','l',0}
 187 };
 188
 189 /* the current version has not been autodetected but forced via cmdline */
 190 static BOOL versionForced = FALSE;
 191 static WINDOWS_VERSION forcedWinVersion; /* init value irrelevant */
 192
 193 /**********************************************************************
 194  *         parse_win_version
 195  *
 196  * Parse the contents of the Version key.
 197  */
 198 static BOOL parse_win_version( HKEY hkey )
 199 {
 200     static const WCHAR WindowsW[] = {'W','i','n','d','o','w','s',0};
 201
 202     UNICODE_STRING valueW;
 203     char tmp[64], buffer[50];
 204     KEY_VALUE_PARTIAL_INFORMATION *info = (KEY_VALUE_PARTIAL_INFORMATION *)tmp;
 205     DWORD count, len;
 206     int i;
 207
 208     RtlInitUnicodeString( &valueW, WindowsW );
 209     if (NtQueryValueKey( hkey, &valueW, KeyValuePartialInformation, tmp, sizeof(tmp), &count ))
 210         return FALSE;
 211
 212     RtlUnicodeToMultiByteN( buffer, sizeof(buffer)-1, &len, (WCHAR *)info->Data, info->DataLength );
 213     buffer[len] = 0;
 214
 215     for (i = 0; i < NB_WINDOWS_VERSIONS; i++)
 216     {
 217         const char *p, *pCurr = WinVersionNames[i];
 218         /* iterate through all winver aliases separated by comma */
 219         do {
 220             p = strchr(pCurr, ',');
 221             len = p ? p - pCurr : strlen(pCurr);
 222             if ( (!strncmp( pCurr, buffer, len )) && (buffer[len] == 0) )
 223             {
 224                 forcedWinVersion = i;
 225                 versionForced = TRUE;
 226                 TRACE( "got win version %s\n", WinVersionNames[forcedWinVersion] );
 227                 return TRUE;
 228             }
 229             pCurr = p+1;
 230         } while (p);
 231     }
 232
 233     MESSAGE("Invalid Windows version value '%s' specified in config file.\n", buffer );
 234     MESSAGE("Valid versions are:" );
 235     for (i = 0; i < NB_WINDOWS_VERSIONS; i++)
 236     {
 237         /* only list the first, "official" alias in case of aliases */
 238         const char *pCurr = WinVersionNames[i];
 239         const char *p = strchr(pCurr, ',');
 240         len = (p) ? p - pCurr : strlen(pCurr);
 241
 242         MESSAGE(" '%.*s'%c", (int)len, pCurr, (i == NB_WINDOWS_VERSIONS - 1) ? '\n' : ',' );
 243     }
 244     return FALSE;
 245 }
 246
 247
 248 /**********************************************************************
 249  *         VERSION_Init
 250  */
 251 void VERSION_Init( const WCHAR *appname )
 252 {
 253     OBJECT_ATTRIBUTES attr;
 254     UNICODE_STRING nameW;
 255     HKEY hkey, config_key;
 256     static const WCHAR configW[] = {'M','a','c','h','i','n','e','\\',
 257                                     'S','o','f','t','w','a','r','e','\\',
 258                                     'W','i','n','e','\\',
 259                                     'W','i','n','e','\\',
 260                                     'C','o','n','f','i','g',0};
 261     static const WCHAR appdefaultsW[] = {'A','p','p','D','e','f','a','u','l','t','s','\\',0};
 262     static const WCHAR versionW[] = {'\\','V','e','r','s','i','o','n',0};
 263
 264     attr.Length = sizeof(attr);
 265     attr.RootDirectory = 0;
 266     attr.ObjectName = &nameW;
 267     attr.Attributes = 0;
 268     attr.SecurityDescriptor = NULL;
 269     attr.SecurityQualityOfService = NULL;
 270     RtlInitUnicodeString( &nameW, configW );
 271
 272     if (NtOpenKey( &config_key, KEY_ALL_ACCESS, &attr )) return;
 273     attr.RootDirectory = config_key;
 274
 275     /* open AppDefaults\\appname\\Version key */
 276     if (appname && *appname)
 277     {
 278         const WCHAR *p;
 279         WCHAR appversion[MAX_PATH+20];
 280         BOOL got_win_ver = FALSE;
 281
 282         if ((p = strrchrW( appname, '/' ))) appname = p + 1;
 283         if ((p = strrchrW( appname, '\\' ))) appname = p + 1;
 284
 285         strcpyW( appversion, appdefaultsW );
 286         strcatW( appversion, appname );
 287         strcatW( appversion, versionW );
 288         TRACE( "getting version from %s\n", debugstr_w(appversion) );
 289         RtlInitUnicodeString( &nameW, appversion );
 290
 291         if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
 292         {
 293             got_win_ver = parse_win_version( hkey );
 294             NtClose( hkey );
 295         }
 296         if (got_win_ver) goto done;
 297     }
 298
 299     TRACE( "getting default version\n" );
 300     RtlInitUnicodeString( &nameW, versionW + 1 );
 301     if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
 302     {
 303         parse_win_version( hkey );
 304         NtClose( hkey );
 305     }
 306
 307  done:
 308     NtClose( config_key );
 309 }
 310
 311
 312 /**********************************************************************
 313  *      VERSION_GetSystemDLLVersion
 314  *
 315  * This function tries to figure out if a given (native) dll comes from
 316  * win95/98 or winnt. Since all values in the OptionalHeader are not a
 317  * usable hint, we test if a dll imports the ntdll.
 318  * This is at least working for all system dlls like comctl32, comdlg32 and
 319  * shell32.
 320  * If you have a better idea to figure this out...
 321  */
 322 static DWORD VERSION_GetSystemDLLVersion( HMODULE hmod )
 323 {
 324     DWORD size;
 325     IMAGE_IMPORT_DESCRIPTOR *pe_imp;
 326
 327     if ((pe_imp = RtlImageDirectoryEntryToData( hmod, TRUE, IMAGE_DIRECTORY_ENTRY_IMPORT, &size )))
 328     {
 329         for ( ; pe_imp->Name; pe_imp++)
 330         {
 331             char * name = (char *)hmod + (unsigned int)pe_imp->Name;
 332             TRACE("%s\n", name);
 333
 334             if (!strncasecmp(name, "ntdll", 5))
 335             {
 336               switch(RtlImageNtHeader(hmod)->OptionalHeader.MajorOperatingSystemVersion) {
 337                   case 3:
 338                           MESSAGE("WARNING: very old native DLL (NT 3.x) used, might cause instability.\n");
 339                           return NT351;
 340                   case 4: return NT40;
 341                   case 5: return NT2K;
 342                   case 6: return WINXP;
 343                   case 7: return WIN2K3; /* FIXME: Not sure, should be verified with a Win2K3 dll */
 344                   default:
 345                           FIXME("Unknown DLL OS version, please report !!\n");
 346                           return WIN2K3;
 347               }
 348             }
 349         }
 350     }
 351     return WIN95;
 352 }
 353
 354
 355 /**********************************************************************
 356  *      VERSION_GetLinkedDllVersion
 357  *
 358  * Some version data (not reliable!):
 359  * linker/OS/image/subsys
 360  *
 361  * x.xx/1.00/0.00/3.10  Win32s          (any version ?)
 362  * 2.39/1.00/0.00/3.10  Win32s          freecell.exe (any version)
 363  * 2.50/1.00/4.00/4.00  Win32s 1.30     winhlp32.exe
 364  * 2.60/3.51/3.51/3.51  NT351SP5        system dlls
 365  * 2.60/3.51/3.51/4.00  NT351SP5        comctl32 dll
 366  * 2.xx/1.00/0.00/4.00  Win95           system files
 367  * x.xx/4.00/0.00/4.00  Win95           most applications
 368  * 3.10/4.00/0.00/4.00  Win98           notepad
 369  * x.xx/5.00/5.00/4.00  Win98           system dlls (e.g. comctl32.dll)
 370  * x.xx/4.00/4.00/4.00  NT 4            most apps
 371  * 5.12/5.00/5.00/4.00  NT4+IE5         comctl32.dll
 372  * 5.12/5.00/5.00/4.00  Win98           calc
 373  * x.xx/5.00/5.00/4.00  win95/win98/NT4 IE5 files
 374  */
 375 static DWORD VERSION_GetLinkedDllVersion(void)
 376 {
 377     WINDOWS_VERSION WinVersion = NB_WINDOWS_VERSIONS;
 378     PIMAGE_OPTIONAL_HEADER ophd;
 379     IMAGE_NT_HEADERS *nt;
 380     const WCHAR *name;
 381     PLIST_ENTRY mark, entry;
 382     PLDR_MODULE mod;
 383     int i;
 384
 385     /* First check the native dlls provided. These have to be
 386        from one windows version */
 387
 388     mark = &NtCurrentTeb()->Peb->LdrData->InLoadOrderModuleList;
 389     for (entry = mark->Flink; entry != mark; entry = entry->Flink)
 390     {
 391         mod = CONTAINING_RECORD(entry, LDR_MODULE, InLoadOrderModuleList);
 392         if (mod->Flags & LDR_WINE_INTERNAL) continue;
 393         nt = RtlImageNtHeader(mod->BaseAddress);
 394         ophd = &nt->OptionalHeader;
 395         name = strrchrW( mod->FullDllName.Buffer, '\\' );
 396         if (name) name++;
 397         else name = mod->FullDllName.Buffer;
 398
 399         TRACE("%s: %02x.%02x/%02x.%02x/%02x.%02x/%02x.%02x\n",
 400               debugstr_w(name), ophd->MajorLinkerVersion, ophd->MinorLinkerVersion,
 401               ophd->MajorOperatingSystemVersion, ophd->MinorOperatingSystemVersion,
 402               ophd->MajorImageVersion, ophd->MinorImageVersion,
 403               ophd->MajorSubsystemVersion, ophd->MinorSubsystemVersion);
 404
 405         for (i = 0; i < sizeof(special_dlls)/sizeof(special_dlls[0]); i++)
 406         {
 407             /* test if it is a special dll */
 408             if (!strcmpiW(name, special_dlls[i]))
 409             {
 410                 DWORD DllVersion = VERSION_GetSystemDLLVersion(mod->BaseAddress);
 411                 if (WinVersion == NB_WINDOWS_VERSIONS) WinVersion = DllVersion;
 412                 else if (WinVersion != DllVersion)
 413                 {
 414                     ERR("You mixed system DLLs from different windows versions! Expect a crash! (%s: expected version %s, but is %s)\n",
 415                         debugstr_w(name),
 416                         debugstr_w(VersionData[WinVersion].szCSDVersion),
 417                         debugstr_w(VersionData[DllVersion].szCSDVersion));
 418                     return WIN20; /* this may let the exe exit */
 419                 }
 420                 break;
 421             }
 422         }
 423     }
 424
 425     if(WinVersion != NB_WINDOWS_VERSIONS) return WinVersion;
 426
 427     /* we are using no external system dlls, look at the exe */
 428     nt = RtlImageNtHeader(NtCurrentTeb()->Peb->ImageBaseAddress);
 429     ophd = &nt->OptionalHeader;
 430
 431     TRACE("%02x.%02x/%02x.%02x/%02x.%02x/%02x.%02x\n",
 432           ophd->MajorLinkerVersion, ophd->MinorLinkerVersion,
 433           ophd->MajorOperatingSystemVersion, ophd->MinorOperatingSystemVersion,
 434           ophd->MajorImageVersion, ophd->MinorImageVersion,
 435           ophd->MajorSubsystemVersion, ophd->MinorSubsystemVersion);
 436
 437     /* special nt 3.51 */
 438     if (3 == ophd->MajorOperatingSystemVersion && 51 == ophd->MinorOperatingSystemVersion)
 439     {
 440         return NT351;
 441     }
 442
 443     /* the MajorSubsystemVersion is the only usable sign */
 444     if (ophd->MajorSubsystemVersion < 4)
 445     {
 446         if ( ophd->MajorOperatingSystemVersion == 1
 447              && ophd->MinorOperatingSystemVersion == 0)
 448         {
 449             return WIN31; /* win32s */
 450         }
 451
 452         if (ophd->Subsystem == IMAGE_SUBSYSTEM_WINDOWS_CUI)
 453             return NT351; /* FIXME: NT 3.1, not tested */
 454         else
 455             return WIN95;
 456     }
 457
 458     return WIN95;
 459 }
 460
 461 /**********************************************************************
 462  *         VERSION_GetVersion
 463  *
 464  * WARNING !!!
 465  * Don't call this function too early during the Wine init,
 466  * as pdb->exe_modref (required by VERSION_GetImageVersion()) might still
 467  * be NULL in such cases, which causes the winver to ALWAYS be detected
 468  * as WIN31.
 469  * And as we cache the winver once it has been determined, this is bad.
 470  * This can happen much easier than you might think, as this function
 471  * is called by EVERY GetVersion*() API !
 472  *
 473  */
 474 static const RTL_OSVERSIONINFOEXW *VERSION_GetVersion(void)
 475 {
 476     static WORD winver = 0xffff;
 477
 478     if (versionForced)
 479         return &VersionData[forcedWinVersion];  /* user has overridden any sensible checks */
 480
 481     if (winver == 0xffff) /* to be determined */
 482     {
 483         WINDOWS_VERSION retver = VERSION_GetLinkedDllVersion();
 484
 485         /* cache determined value, but do not store in case of WIN31 */
 486         if (retver != WIN31) winver = retver;
 487         return &VersionData[retver];
 488     }
 489     return &VersionData[winver];
 490 }
 491
 492
 493 /***********************************************************************
 494  *         RtlGetVersion   (NTDLL.@)
 495  */
 496 NTSTATUS WINAPI RtlGetVersion( RTL_OSVERSIONINFOEXW *info )
 497 {
 498     const RTL_OSVERSIONINFOEXW * const current = VERSION_GetVersion();
 499
 500     info->dwMajorVersion = current->dwMajorVersion;
 501     info->dwMinorVersion = current->dwMinorVersion;
 502     info->dwBuildNumber  = current->dwBuildNumber;
 503     info->dwPlatformId   = current->dwPlatformId;
 504     strcpyW( info->szCSDVersion, current->szCSDVersion );
 505     if(info->dwOSVersionInfoSize == sizeof(RTL_OSVERSIONINFOEXW))
 506     {
 507         info->wServicePackMajor = current->wServicePackMajor;
 508         info->wServicePackMinor = current->wServicePackMinor;
 509         info->wSuiteMask        = current->wSuiteMask;
 510         info->wProductType      = current->wProductType;
 511     }
 512     TRACE("<-- %s (%s)\n", debug_names[current - VersionData], debugstr_w(current->szCSDVersion) );
 513     return STATUS_SUCCESS;
 514 }
 515
 516
 517 /******************************************************************************
 518  *  RtlGetNtVersionNumbers   (NTDLL.@)
 519  *
 520  * Get the version numbers of the run time library.
 521  *
 522  * PARAMS
 523  *  major [O] Destination for the Major version
 524  *  minor [O] Destination for the Minor version
 525  *  build [O] Destination for the Build version
 526  *
 527  * RETURNS
 528  *  Nothing.
 529  *
 530  * NOTES
 531  * Introduced in Windows XP (NT5.1)
 532  */
 533 void WINAPI RtlGetNtVersionNumbers( LPDWORD major, LPDWORD minor, LPDWORD build )
 534 {
 535     const RTL_OSVERSIONINFOEXW * const current = VERSION_GetVersion();
 536
 537     if (major) *major = current->dwMajorVersion;
 538     if (minor) *minor = current->dwMinorVersion;
 539     /* FIXME: Does anybody know the real formula? */
 540     if (build) *build = (0xF0000000 | current->dwBuildNumber);
 541 }
 542
 543
 544 /******************************************************************************
 545  *        VerifyVersionInfoW   (KERNEL32.@)
 546  */
 547 NTSTATUS WINAPI RtlVerifyVersionInfo( const RTL_OSVERSIONINFOEXW *info,
 548                                       DWORD dwTypeMask, DWORDLONG dwlConditionMask )
 549 {
 550     RTL_OSVERSIONINFOEXW ver;
 551     NTSTATUS status;
 552
 553     FIXME("(%p,%lu,%llx): Not all cases correctly implemented yet\n",
 554           info, dwTypeMask, dwlConditionMask);
 555
 556     /* FIXME:
 557         - Check the following special case on Windows (various versions):
 558           o lp->wSuiteMask == 0 and ver.wSuiteMask != 0 and VER_AND/VER_OR
 559           o lp->dwOSVersionInfoSize != sizeof(OSVERSIONINFOEXW)
 560         - MSDN talks about some tests being impossible. Check what really happens.
 561      */
 562
 563     ver.dwOSVersionInfoSize = sizeof(ver);
 564     if ((status = RtlGetVersion( &ver )) != STATUS_SUCCESS) return status;
 565
 566     if(!(dwTypeMask && dwlConditionMask)) return STATUS_INVALID_PARAMETER;
 567
 568     if(dwTypeMask & VER_PRODUCT_TYPE)
 569         switch(dwlConditionMask >> 7*3 & 0x07) {
 570             case VER_EQUAL:
 571                 if(ver.wProductType != info->wProductType) return STATUS_REVISION_MISMATCH;
 572                 break;
 573             case VER_GREATER:
 574                 if(ver.wProductType <= info->wProductType) return STATUS_REVISION_MISMATCH;
 575                 break;
 576             case VER_GREATER_EQUAL:
 577                 if(ver.wProductType < info->wProductType) return STATUS_REVISION_MISMATCH;
 578                 break;
 579             case VER_LESS:
 580                 if(ver.wProductType >= info->wProductType) return STATUS_REVISION_MISMATCH;
 581                 break;
 582             case VER_LESS_EQUAL:
 583                 if(ver.wProductType > info->wProductType) return STATUS_REVISION_MISMATCH;
 584                 break;
 585             default:
 586                 return STATUS_INVALID_PARAMETER;
 587         }
 588     if(dwTypeMask & VER_SUITENAME)
 589         switch(dwlConditionMask >> 6*3 & 0x07)
 590         {
 591             case VER_AND:
 592                 if((info->wSuiteMask & ver.wSuiteMask) != info->wSuiteMask)
 593                     return STATUS_REVISION_MISMATCH;
 594                 break;
 595             case VER_OR:
 596                 if(!(info->wSuiteMask & ver.wSuiteMask) && info->wSuiteMask)
 597                     return STATUS_REVISION_MISMATCH;
 598                 break;
 599             default:
 600                 return STATUS_INVALID_PARAMETER;
 601         }
 602     if(dwTypeMask & VER_PLATFORMID)
 603         switch(dwlConditionMask >> 3*3 & 0x07)
 604         {
 605             case VER_EQUAL:
 606                 if(ver.dwPlatformId != info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 607                 break;
 608             case VER_GREATER:
 609                 if(ver.dwPlatformId <= info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 610                 break;
 611             case VER_GREATER_EQUAL:
 612                 if(ver.dwPlatformId < info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 613                 break;
 614             case VER_LESS:
 615                 if(ver.dwPlatformId >= info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 616                 break;
 617             case VER_LESS_EQUAL:
 618                 if(ver.dwPlatformId > info->dwPlatformId) return STATUS_REVISION_MISMATCH;
 619                 break;
 620             default:
 621                 return STATUS_INVALID_PARAMETER;
 622         }
 623     if(dwTypeMask & VER_BUILDNUMBER)
 624         switch(dwlConditionMask >> 2*3 & 0x07)
 625         {
 626             case VER_EQUAL:
 627                 if(ver.dwBuildNumber != info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 628                 break;
 629             case VER_GREATER:
 630                 if(ver.dwBuildNumber <= info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 631                 break;
 632             case VER_GREATER_EQUAL:
 633                 if(ver.dwBuildNumber < info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 634                 break;
 635             case VER_LESS:
 636                 if(ver.dwBuildNumber >= info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 637                 break;
 638             case VER_LESS_EQUAL:
 639                 if(ver.dwBuildNumber > info->dwBuildNumber) return STATUS_REVISION_MISMATCH;
 640                 break;
 641             default:
 642                 return STATUS_INVALID_PARAMETER;
 643         }
 644     if(dwTypeMask & VER_MAJORVERSION)
 645         switch(dwlConditionMask >> 1*3 & 0x07)
 646         {
 647             case VER_EQUAL:
 648                 if(ver.dwMajorVersion != info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 649                 break;
 650             case VER_GREATER:
 651                 if(ver.dwMajorVersion <= info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 652                 break;
 653             case VER_GREATER_EQUAL:
 654                 if(ver.dwMajorVersion < info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 655                 break;
 656             case VER_LESS:
 657                 if(ver.dwMajorVersion >= info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 658                 break;
 659             case VER_LESS_EQUAL:
 660                 if(ver.dwMajorVersion > info->dwMajorVersion) return STATUS_REVISION_MISMATCH;
 661                 break;
 662             default:
 663                 return STATUS_INVALID_PARAMETER;
 664         }
 665     if(dwTypeMask & VER_MINORVERSION)
 666         switch(dwlConditionMask >> 0*3 & 0x07)
 667         {
 668             case VER_EQUAL:
 669                 if(ver.dwMinorVersion != info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 670                 break;
 671             case VER_GREATER:
 672                 if(ver.dwMinorVersion <= info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 673                 break;
 674             case VER_GREATER_EQUAL:
 675                 if(ver.dwMinorVersion < info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 676                 break;
 677             case VER_LESS:
 678                 if(ver.dwMinorVersion >= info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 679                 break;
 680             case VER_LESS_EQUAL:
 681                 if(ver.dwMinorVersion > info->dwMinorVersion) return STATUS_REVISION_MISMATCH;
 682                 break;
 683             default:
 684                 return STATUS_INVALID_PARAMETER;
 685         }
 686     if(dwTypeMask & VER_SERVICEPACKMAJOR)
 687         switch(dwlConditionMask >> 5*3 & 0x07)
 688         {
 689             case VER_EQUAL:
 690                 if(ver.wServicePackMajor != info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 691                 break;
 692             case VER_GREATER:
 693                 if(ver.wServicePackMajor <= info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 694                 break;
 695             case VER_GREATER_EQUAL:
 696                 if(ver.wServicePackMajor < info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 697                 break;
 698             case VER_LESS:
 699                 if(ver.wServicePackMajor >= info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 700                 break;
 701             case VER_LESS_EQUAL:
 702                 if(ver.wServicePackMajor > info->wServicePackMajor) return STATUS_REVISION_MISMATCH;
 703                 break;
 704             default:
 705                 return STATUS_INVALID_PARAMETER;
 706         }
 707     if(dwTypeMask & VER_SERVICEPACKMINOR)
 708         switch(dwlConditionMask >> 4*3 & 0x07)
 709         {
 710             case VER_EQUAL:
 711                 if(ver.wServicePackMinor != info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 712                 break;
 713             case VER_GREATER:
 714                 if(ver.wServicePackMinor <= info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 715                 break;
 716             case VER_GREATER_EQUAL:
 717                 if(ver.wServicePackMinor < info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 718                 break;
 719             case VER_LESS:
 720                 if(ver.wServicePackMinor >= info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 721                 break;
 722             case VER_LESS_EQUAL:
 723                 if(ver.wServicePackMinor > info->wServicePackMinor) return STATUS_REVISION_MISMATCH;
 724                 break;
 725             default:
 726                 return STATUS_INVALID_PARAMETER;
 727         }
 728
 729     return STATUS_SUCCESS;
 730 }