reactos/dll/win32/msgina/msgina.c

   1 /*
   2  *  ReactOS GINA
   3  *  Copyright (C) 2003-2004, 2006 ReactOS Team
   4  *
   5  *  This program is free software; you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation; either version 2 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License along
  16  *  with this program; if not, write to the Free Software Foundation, Inc.,
  17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  */
  19 /*
  20  * PROJECT:         ReactOS msgina.dll
  21  * FILE:            dll/win32/msgina/msgina.c
  22  * PURPOSE:         ReactOS Logon GINA DLL
  23  * PROGRAMMER:      Thomas Weidenmueller (w3seek@users.sourceforge.net)
  24  *                  Hervé Poussineau (hpoussin@reactos.org)
  25  */
  26
  27 #include "msgina.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(msgina);
  30
  31 HINSTANCE hDllInstance;
  32
  33 extern GINA_UI GinaGraphicalUI;
  34 extern GINA_UI GinaTextUI;
  35 static PGINA_UI pGinaUI;
  36
  37 /*
  38  * @implemented
  39  */
  40 BOOL WINAPI
  41 WlxNegotiate(
  42         IN DWORD dwWinlogonVersion,
  43         OUT PDWORD pdwDllVersion)
  44 {
  45         TRACE("WlxNegotiate(%lx, %p)\n", dwWinlogonVersion, pdwDllVersion);
  46
  47         if(!pdwDllVersion || (dwWinlogonVersion < WLX_VERSION_1_3))
  48                 return FALSE;
  49
  50         *pdwDllVersion = WLX_VERSION_1_3;
  51
  52         return TRUE;
  53 }
  54
  55 static LONG
  56 ReadRegSzKey(
  57         IN HKEY hKey,
  58         IN LPCWSTR pszKey,
  59         OUT LPWSTR* pValue)
  60 {
  61         LONG rc;
  62         DWORD dwType;
  63         DWORD cbData = 0;
  64         LPWSTR Value;
  65
  66         if (!pValue)
  67                 return ERROR_INVALID_PARAMETER;
  68
  69         *pValue = NULL;
  70         rc = RegQueryValueExW(hKey, pszKey, NULL, &dwType, NULL, &cbData);
  71         if (rc != ERROR_SUCCESS)
  72                 return rc;
  73         if (dwType != REG_SZ)
  74                 return ERROR_FILE_NOT_FOUND;
  75         Value = HeapAlloc(GetProcessHeap(), 0, cbData + sizeof(WCHAR));
  76         if (!Value)
  77                 return ERROR_NOT_ENOUGH_MEMORY;
  78         rc = RegQueryValueExW(hKey, pszKey, NULL, NULL, (LPBYTE)Value, &cbData);
  79         if (rc != ERROR_SUCCESS)
  80         {
  81                 HeapFree(GetProcessHeap(), 0, Value);
  82                 return rc;
  83         }
  84         /* NULL-terminate the string */
  85         Value[cbData / sizeof(WCHAR)] = '\0';
  86
  87         *pValue = Value;
  88         return ERROR_SUCCESS;
  89 }
  90
  91 static VOID
  92 ChooseGinaUI(VOID)
  93 {
  94         HKEY ControlKey = NULL;
  95         LPWSTR SystemStartOptions = NULL;
  96         LPWSTR CurrentOption, NextOption; /* Pointers into SystemStartOptions */
  97         BOOL ConsoleBoot = FALSE;
  98         LONG rc;
  99
 100         rc = RegOpenKeyExW(
 101                 HKEY_LOCAL_MACHINE,
 102                 L"SYSTEM\\CurrentControlSet\\Control",
 103                 0,
 104                 KEY_QUERY_VALUE,
 105                 &ControlKey);
 106
 107         rc = ReadRegSzKey(ControlKey, L"SystemStartOptions", &SystemStartOptions);
 108         if (rc != ERROR_SUCCESS)
 109                 goto cleanup;
 110
 111         /* Check for CONSOLE switch in SystemStartOptions */
 112         CurrentOption = SystemStartOptions;
 113         while (CurrentOption)
 114         {
 115                 NextOption = wcschr(CurrentOption, L' ');
 116                 if (NextOption)
 117                         *NextOption = L'\0';
 118                 if (wcsicmp(CurrentOption, L"CONSOLE") == 0)
 119                 {
 120                         TRACE("Found %S. Switching to console boot\n", CurrentOption);
 121                         ConsoleBoot = TRUE;
 122                         goto cleanup;
 123                 }
 124                 CurrentOption = NextOption ? NextOption + 1 : NULL;
 125         }
 126
 127 cleanup:
 128         if (ConsoleBoot)
 129                 pGinaUI = &GinaTextUI;
 130         else
 131                 pGinaUI = &GinaGraphicalUI;
 132
 133         if (ControlKey != NULL)
 134                 RegCloseKey(ControlKey);
 135         HeapFree(GetProcessHeap(), 0, SystemStartOptions);
 136 }
 137
 138 /*
 139  * @implemented
 140  */
 141 BOOL WINAPI
 142 WlxInitialize(
 143         LPWSTR lpWinsta,
 144         HANDLE hWlx,
 145         PVOID  pvReserved,
 146         PVOID  pWinlogonFunctions,
 147         PVOID  *pWlxContext)
 148 {
 149         PGINA_CONTEXT pgContext;
 150
 151         UNREFERENCED_PARAMETER(pvReserved);
 152
 153         pgContext = (PGINA_CONTEXT)LocalAlloc(LMEM_FIXED | LMEM_ZEROINIT, sizeof(GINA_CONTEXT));
 154         if(!pgContext)
 155         {
 156                 WARN("LocalAlloc() failed\n");
 157                 return FALSE;
 158         }
 159
 160         /* Return the context to winlogon */
 161         *pWlxContext = (PVOID)pgContext;
 162         pgContext->hDllInstance = hDllInstance;
 163
 164         /* Save pointer to dispatch table */
 165         pgContext->pWlxFuncs = (PWLX_DISPATCH_VERSION_1_3)pWinlogonFunctions;
 166
 167         /* Save the winlogon handle used to call the dispatch functions */
 168         pgContext->hWlx = hWlx;
 169
 170         /* Save window station */
 171         pgContext->station = lpWinsta;
 172
 173         /* Clear status window handle */
 174         pgContext->hStatusWindow = 0;
 175
 176         /* Notify winlogon that we will use the default SAS */
 177         pgContext->pWlxFuncs->WlxUseCtrlAltDel(hWlx);
 178
 179         /* Locates the authentification package */
 180         //LsaRegisterLogonProcess(...);
 181
 182         /* Check autologon settings the first time */
 183         pgContext->AutoLogonState = AUTOLOGON_CHECK_REGISTRY;
 184
 185         ChooseGinaUI();
 186         return pGinaUI->Initialize(pgContext);
 187 }
 188
 189 /*
 190  * @implemented
 191  */
 192 BOOL WINAPI
 193 WlxStartApplication(
 194         PVOID pWlxContext,
 195         PWSTR pszDesktopName,
 196         PVOID pEnvironment,
 197         PWSTR pszCmdLine)
 198 {
 199         PGINA_CONTEXT pgContext = (PGINA_CONTEXT)pWlxContext;
 200         STARTUPINFOW StartupInfo;
 201         PROCESS_INFORMATION ProcessInformation;
 202         WCHAR CurrentDirectory[MAX_PATH];
 203         HANDLE hAppToken;
 204         UINT len;
 205         BOOL ret;
 206
 207         len = GetWindowsDirectoryW(CurrentDirectory, MAX_PATH);
 208         if (len == 0 || len > MAX_PATH)
 209         {
 210                 WARN("GetWindowsDirectoryW() failed\n");
 211                 return FALSE;
 212         }
 213
 214         ret = DuplicateTokenEx(pgContext->UserToken, MAXIMUM_ALLOWED, NULL, SecurityImpersonation, TokenPrimary, &hAppToken);
 215         if (!ret)
 216         {
 217                 WARN("DuplicateTokenEx() failed with error %lu\n", GetLastError());
 218                 return FALSE;
 219         }
 220
 221         ZeroMemory(&StartupInfo, sizeof(STARTUPINFOW));
 222         ZeroMemory(&ProcessInformation, sizeof(PROCESS_INFORMATION));
 223         StartupInfo.cb = sizeof(STARTUPINFOW);
 224         StartupInfo.lpTitle = pszCmdLine;
 225         StartupInfo.dwX = StartupInfo.dwY = StartupInfo.dwXSize = StartupInfo.dwYSize = 0L;
 226         StartupInfo.dwFlags = 0;
 227         StartupInfo.wShowWindow = SW_SHOW;
 228         StartupInfo.lpDesktop = pszDesktopName;
 229
 230         len = GetWindowsDirectoryW(CurrentDirectory, MAX_PATH);
 231         if (len == 0 || len > MAX_PATH)
 232         {
 233                 WARN("GetWindowsDirectoryW() failed\n");
 234                 return FALSE;
 235         }
 236         ret = CreateProcessAsUserW(
 237                 hAppToken,
 238                 pszCmdLine,
 239                 NULL,
 240                 NULL,
 241                 NULL,
 242                 FALSE,
 243                 CREATE_UNICODE_ENVIRONMENT,
 244                 pEnvironment,
 245                 CurrentDirectory,
 246                 &StartupInfo,
 247                 &ProcessInformation);
 248         CloseHandle(ProcessInformation.hProcess);
 249         CloseHandle(ProcessInformation.hThread);
 250         CloseHandle(hAppToken);
 251         if (!ret)
 252                 WARN("CreateProcessAsUserW() failed with error %lu\n", GetLastError());
 253         return ret;
 254 }
 255
 256 /*
 257  * @implemented
 258  */
 259 BOOL WINAPI
 260 WlxActivateUserShell(
 261         PVOID pWlxContext,
 262         PWSTR pszDesktopName,
 263         PWSTR pszMprLogonScript,
 264         PVOID pEnvironment)
 265 {
 266         HKEY hKey;
 267         DWORD BufSize, ValueType;
 268         WCHAR pszUserInitApp[MAX_PATH + 1];
 269         WCHAR pszExpUserInitApp[MAX_PATH];
 270         DWORD len;
 271         LONG rc;
 272
 273         TRACE("WlxActivateUserShell()\n");
 274
 275         UNREFERENCED_PARAMETER(pszMprLogonScript);
 276
 277         /* Get the path of userinit */
 278         rc = RegOpenKeyExW(
 279                 HKEY_LOCAL_MACHINE,
 280                 L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Winlogon",
 281                 0,
 282                 KEY_QUERY_VALUE,
 283                 &hKey);
 284         if (rc != ERROR_SUCCESS)
 285         {
 286                 WARN("RegOpenKeyExW() failed with error %lu\n", rc);
 287                 return FALSE;
 288         }
 289
 290         /* Query userinit application */
 291         BufSize = sizeof(pszUserInitApp) - sizeof(UNICODE_NULL);
 292         rc = RegQueryValueExW(
 293                 hKey,
 294                 L"Userinit",
 295                 NULL,
 296                 &ValueType,
 297                 (LPBYTE)pszUserInitApp,
 298                 &BufSize);
 299         RegCloseKey(hKey);
 300         if (rc != ERROR_SUCCESS || (ValueType != REG_SZ && ValueType != REG_EXPAND_SZ))
 301         {
 302                 WARN("RegQueryValueExW() failed with error %lu\n", rc);
 303                 return FALSE;
 304         }
 305         pszUserInitApp[MAX_PATH] = UNICODE_NULL;
 306
 307         len = ExpandEnvironmentStringsW(pszUserInitApp, pszExpUserInitApp, MAX_PATH);
 308         if (len > MAX_PATH)
 309         {
 310                 WARN("ExpandEnvironmentStringsW() failed. Required size %lu\n", len);
 311                 return FALSE;
 312         }
 313
 314         /* Start userinit app */
 315         return WlxStartApplication(pWlxContext, pszDesktopName, pEnvironment, pszExpUserInitApp);
 316 }
 317
 318 /*
 319  * @implemented
 320  */
 321 int WINAPI
 322 WlxLoggedOnSAS(
 323         PVOID pWlxContext,
 324         DWORD dwSasType,
 325         PVOID pReserved)
 326 {
 327         PGINA_CONTEXT pgContext = (PGINA_CONTEXT)pWlxContext;
 328         INT SasAction = WLX_SAS_ACTION_NONE;
 329
 330         TRACE("WlxLoggedOnSAS(0x%lx)\n", dwSasType);
 331
 332         UNREFERENCED_PARAMETER(pReserved);
 333
 334         switch (dwSasType)
 335         {
 336                 case WLX_SAS_TYPE_CTRL_ALT_DEL:
 337                 case WLX_SAS_TYPE_TIMEOUT:
 338                 {
 339                         SasAction = pGinaUI->LoggedOnSAS(pgContext, dwSasType);
 340                         break;
 341                 }
 342                 case WLX_SAS_TYPE_SC_INSERT:
 343                 {
 344                         FIXME("WlxLoggedOnSAS: SasType WLX_SAS_TYPE_SC_INSERT not supported!\n");
 345                         break;
 346                 }
 347                 case WLX_SAS_TYPE_SC_REMOVE:
 348                 {
 349                         FIXME("WlxLoggedOnSAS: SasType WLX_SAS_TYPE_SC_REMOVE not supported!\n");
 350                         break;
 351                 }
 352                 default:
 353                 {
 354                         WARN("WlxLoggedOnSAS: Unknown SasType: 0x%x\n", dwSasType);
 355                         break;
 356                 }
 357         }
 358
 359         return SasAction;
 360 }
 361
 362 /*
 363  * @implemented
 364  */
 365 BOOL WINAPI
 366 WlxDisplayStatusMessage(
 367         IN PVOID pWlxContext,
 368         IN HDESK hDesktop,
 369         IN DWORD dwOptions,
 370         IN PWSTR pTitle,
 371         IN PWSTR pMessage)
 372 {
 373         PGINA_CONTEXT pgContext = (PGINA_CONTEXT)pWlxContext;
 374
 375         TRACE("WlxDisplayStatusMessage(\"%S\")\n", pMessage);
 376
 377         return pGinaUI->DisplayStatusMessage(pgContext, hDesktop, dwOptions, pTitle, pMessage);
 378 }
 379
 380 /*
 381  * @implemented
 382  */
 383 BOOL WINAPI
 384 WlxRemoveStatusMessage(
 385         IN PVOID pWlxContext)
 386 {
 387         PGINA_CONTEXT pgContext = (PGINA_CONTEXT)pWlxContext;
 388
 389         TRACE("WlxRemoveStatusMessage()\n");
 390
 391         return pGinaUI->RemoveStatusMessage(pgContext);
 392 }
 393
 394 static PWSTR
 395 DuplicationString(PWSTR Str)
 396 {
 397         DWORD cb;
 398         PWSTR NewStr;
 399
 400         if (Str == NULL) return NULL;
 401
 402         cb = (wcslen(Str) + 1) * sizeof(WCHAR);
 403         if ((NewStr = LocalAlloc(LMEM_FIXED, cb)))
 404                 memcpy(NewStr, Str, cb);
 405         return NewStr;
 406 }
 407
 408 BOOL
 409 DoLoginTasks(
 410         IN OUT PGINA_CONTEXT pgContext,
 411         IN PWSTR UserName,
 412         IN PWSTR Domain,
 413         IN PWSTR Password)
 414 {
 415         LPWSTR ProfilePath = NULL;
 416         LPWSTR lpEnvironment = NULL;
 417         TOKEN_STATISTICS Stats;
 418         PWLX_PROFILE_V2_0 pProfile = NULL;
 419         DWORD cbStats, cbSize;
 420         BOOL bResult;
 421
 422         if (!LogonUserW(UserName, Domain, Password,
 423                 LOGON32_LOGON_INTERACTIVE,
 424                 LOGON32_PROVIDER_DEFAULT,
 425                 &pgContext->UserToken))
 426         {
 427                 WARN("LogonUserW() failed\n");
 428                 goto cleanup;
 429         }
 430
 431         /* Get profile path */
 432         cbSize = 0;
 433         bResult = GetProfilesDirectoryW(NULL, &cbSize);
 434         if (!bResult && GetLastError() == ERROR_INSUFFICIENT_BUFFER)
 435         {
 436                 ProfilePath = HeapAlloc(GetProcessHeap(), 0, cbSize * sizeof(WCHAR));
 437                 if (!ProfilePath)
 438                 {
 439                         WARN("HeapAlloc() failed\n");
 440                         goto cleanup;
 441                 }
 442                 bResult = GetProfilesDirectoryW(ProfilePath, &cbSize);
 443         }
 444         if (!bResult)
 445         {
 446                 WARN("GetUserProfileDirectoryW() failed\n");
 447                 goto cleanup;
 448         }
 449
 450         /* Allocate memory for profile */
 451         pProfile = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WLX_PROFILE_V2_0));
 452         if (!pProfile)
 453         {
 454                 WARN("HeapAlloc() failed\n");
 455                 goto cleanup;
 456         }
 457         pProfile->dwType = WLX_PROFILE_TYPE_V2_0;
 458         pProfile->pszProfile = ProfilePath;
 459
 460         lpEnvironment = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 32 * sizeof(WCHAR));
 461         if (!lpEnvironment)
 462         {
 463                 WARN("HeapAlloc() failed\n");
 464                 goto cleanup;
 465         }
 466         wcscpy(lpEnvironment, L"LOGONSERVER=\\\\Test");
 467
 468         pProfile->pszEnvironment = lpEnvironment;
 469
 470         if (!GetTokenInformation(pgContext->UserToken,
 471                 TokenStatistics,
 472                 (PVOID)&Stats,
 473                 sizeof(TOKEN_STATISTICS),
 474                 &cbStats))
 475         {
 476                 WARN("Couldn't get Authentication id from user token!\n");
 477                 goto cleanup;
 478         }
 479
 480         *pgContext->pAuthenticationId = Stats.AuthenticationId;
 481         pgContext->pMprNotifyInfo->pszUserName = DuplicationString(UserName);
 482         pgContext->pMprNotifyInfo->pszDomain = DuplicationString(Domain);
 483         pgContext->pMprNotifyInfo->pszPassword = DuplicationString(Password);
 484         pgContext->pMprNotifyInfo->pszOldPassword = NULL;
 485         *pgContext->pdwOptions = 0;
 486         *pgContext->pProfile = pProfile;
 487         return TRUE;
 488
 489 cleanup:
 490         if (pProfile)
 491         {
 492                 HeapFree(GetProcessHeap(), 0, pProfile->pszEnvironment);
 493         }
 494         HeapFree(GetProcessHeap(), 0, pProfile);
 495         HeapFree(GetProcessHeap(), 0, ProfilePath);
 496         return FALSE;
 497 }
 498
 499 static BOOL
 500 DoAutoLogon(
 501         IN PGINA_CONTEXT pgContext)
 502 {
 503         HKEY WinLogonKey = NULL;
 504         LPWSTR AutoLogon = NULL;
 505         LPWSTR AutoCount = NULL;
 506         LPWSTR IgnoreShiftOverride = NULL;
 507         LPWSTR UserName = NULL;
 508         LPWSTR DomainName = NULL;
 509         LPWSTR Password = NULL;
 510         BOOL result = FALSE;
 511         LONG rc;
 512
 513         TRACE("DoAutoLogon(): AutoLogonState = %lu\n",
 514                 pgContext->AutoLogonState);
 515
 516         if (pgContext->AutoLogonState == AUTOLOGON_DISABLED)
 517                 return FALSE;
 518
 519         rc = RegOpenKeyExW(
 520                 HKEY_LOCAL_MACHINE,
 521                 L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\WinLogon",
 522                 0,
 523                 KEY_QUERY_VALUE,
 524                 &WinLogonKey);
 525         if (rc != ERROR_SUCCESS)
 526                 goto cleanup;
 527
 528         if (pgContext->AutoLogonState == AUTOLOGON_CHECK_REGISTRY)
 529         {
 530                 /* Set it by default to disabled, we might reenable it again later */
 531                 pgContext->AutoLogonState = AUTOLOGON_DISABLED;
 532
 533                 rc = ReadRegSzKey(WinLogonKey, L"AutoAdminLogon", &AutoLogon);
 534                 if (rc != ERROR_SUCCESS)
 535                         goto cleanup;
 536                 if (wcscmp(AutoLogon, L"1") != 0)
 537                         goto cleanup;
 538
 539                 rc = ReadRegSzKey(WinLogonKey, L"AutoLogonCount", &AutoCount);
 540                 if (rc == ERROR_SUCCESS && wcscmp(AutoCount, L"0") == 0)
 541                         goto cleanup;
 542                 else if (rc != ERROR_FILE_NOT_FOUND)
 543                         goto cleanup;
 544
 545                 rc = ReadRegSzKey(WinLogonKey, L"IgnoreShiftOverride", &UserName);
 546                 if (rc == ERROR_SUCCESS)
 547                 {
 548                         if (wcscmp(AutoLogon, L"1") != 0 && GetKeyState(VK_SHIFT) < 0)
 549                                 goto cleanup;
 550                 }
 551                 else if (GetKeyState(VK_SHIFT) < 0)
 552                 {
 553                         /* User pressed SHIFT */
 554                         goto cleanup;
 555                 }
 556
 557                 pgContext->AutoLogonState = AUTOLOGON_ONCE;
 558                 result = TRUE;
 559         }
 560         else /* pgContext->AutoLogonState == AUTOLOGON_ONCE */
 561         {
 562                 pgContext->AutoLogonState = AUTOLOGON_DISABLED;
 563
 564                 rc = ReadRegSzKey(WinLogonKey, L"DefaultUserName", &UserName);
 565                 if (rc != ERROR_SUCCESS)
 566                         goto cleanup;
 567                 rc = ReadRegSzKey(WinLogonKey, L"DefaultDomainName", &DomainName);
 568                 if (rc != ERROR_SUCCESS && rc != ERROR_FILE_NOT_FOUND)
 569                         goto cleanup;
 570                 rc = ReadRegSzKey(WinLogonKey, L"DefaultPassword", &Password);
 571                 if (rc != ERROR_SUCCESS)
 572                         goto cleanup;
 573
 574                 result = DoLoginTasks(pgContext, UserName, DomainName, Password);
 575
 576                 if (result == TRUE)
 577                         NotifyBootConfigStatus(TRUE);
 578         }
 579
 580 cleanup:
 581         if (WinLogonKey != NULL)
 582                 RegCloseKey(WinLogonKey);
 583         HeapFree(GetProcessHeap(), 0, AutoLogon);
 584         HeapFree(GetProcessHeap(), 0, AutoCount);
 585         HeapFree(GetProcessHeap(), 0, IgnoreShiftOverride);
 586         HeapFree(GetProcessHeap(), 0, UserName);
 587         HeapFree(GetProcessHeap(), 0, DomainName);
 588         HeapFree(GetProcessHeap(), 0, Password);
 589         TRACE("DoAutoLogon(): AutoLogonState = %lu, returning %d\n",
 590                 pgContext->AutoLogonState, result);
 591         return result;
 592 }
 593
 594 /*
 595  * @implemented
 596  */
 597 VOID WINAPI
 598 WlxDisplaySASNotice(
 599         IN PVOID pWlxContext)
 600 {
 601         PGINA_CONTEXT pgContext = (PGINA_CONTEXT)pWlxContext;
 602
 603         TRACE("WlxDisplaySASNotice(%p)\n", pWlxContext);
 604
 605         if (GetSystemMetrics(SM_REMOTESESSION))
 606         {
 607                 /* User is remotely logged on. Don't display a notice */
 608                 pgContext->pWlxFuncs->WlxSasNotify(pgContext->hWlx, WLX_SAS_TYPE_CTRL_ALT_DEL);
 609                 return;
 610         }
 611
 612         if (DoAutoLogon(pgContext))
 613         {
 614                 /* Don't display the window, we want to do an automatic logon */
 615                 pgContext->AutoLogonState = AUTOLOGON_ONCE;
 616                 pgContext->pWlxFuncs->WlxSasNotify(pgContext->hWlx, WLX_SAS_TYPE_CTRL_ALT_DEL);
 617                 return;
 618         }
 619         else
 620                 pgContext->AutoLogonState = AUTOLOGON_DISABLED;
 621
 622         pGinaUI->DisplaySASNotice(pgContext);
 623
 624         TRACE("WlxDisplaySASNotice() done\n");
 625 }
 626
 627 /*
 628  * @implemented
 629  */
 630 INT WINAPI
 631 WlxLoggedOutSAS(
 632         IN PVOID pWlxContext,
 633         IN DWORD dwSasType,
 634         OUT PLUID pAuthenticationId,
 635         IN OUT PSID pLogonSid,
 636         OUT PDWORD pdwOptions,
 637         OUT PHANDLE phToken,
 638         OUT PWLX_MPR_NOTIFY_INFO pMprNotifyInfo,
 639         OUT PVOID *pProfile)
 640 {
 641         PGINA_CONTEXT pgContext = (PGINA_CONTEXT)pWlxContext;
 642         INT res;
 643
 644         TRACE("WlxLoggedOutSAS()\n");
 645
 646         UNREFERENCED_PARAMETER(dwSasType);
 647         UNREFERENCED_PARAMETER(pLogonSid);
 648
 649         pgContext->pAuthenticationId = pAuthenticationId;
 650         pgContext->pdwOptions = pdwOptions;
 651         pgContext->pMprNotifyInfo = pMprNotifyInfo;
 652         pgContext->pProfile = pProfile;
 653
 654         if (0 == GetSystemMetrics(SM_REMOTESESSION) &&
 655             DoAutoLogon(pgContext))
 656         {
 657                 /* User is local and registry contains information
 658                  * to log on him automatically */
 659                 *phToken = pgContext->UserToken;
 660                 return WLX_SAS_ACTION_LOGON;
 661         }
 662
 663         res = pGinaUI->LoggedOutSAS(pgContext);
 664         *phToken = pgContext->UserToken;
 665         return res;
 666 }
 667
 668 /*
 669  * @implemented
 670  */
 671 int WINAPI
 672 WlxWkstaLockedSAS(
 673         PVOID pWlxContext,
 674         DWORD dwSasType)
 675 {
 676         PGINA_CONTEXT pgContext = (PGINA_CONTEXT)pWlxContext;
 677
 678         TRACE("WlxWkstaLockedSAS()\n");
 679
 680         UNREFERENCED_PARAMETER(dwSasType);
 681
 682         return pGinaUI->LockedSAS(pgContext);
 683 }
 684
 685 /*
 686  * @implemented
 687  */
 688 BOOL WINAPI
 689 WlxIsLogoffOk(
 690         PVOID pWlxContext)
 691 {
 692     TRACE("WlxIsLogoffOk()\n");
 693     UNREFERENCED_PARAMETER(pWlxContext);
 694     return TRUE;
 695 }
 696
 697 BOOL WINAPI
 698 DllMain(
 699         IN HINSTANCE hinstDLL,
 700         IN DWORD dwReason,
 701         IN LPVOID lpvReserved)
 702 {
 703         UNREFERENCED_PARAMETER(lpvReserved);
 704
 705         if (dwReason == DLL_PROCESS_ATTACH)
 706                 hDllInstance = hinstDLL;
 707
 708         return TRUE;
 709 }