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