reactos/win32ss/user/winsrv/usersrv/shutdown.c

   1 /*
   2  * COPYRIGHT:       See COPYING in the top level directory
   3  * PROJECT:         ReactOS User API Server DLL
   4  * FILE:            win32ss/user/winsrv/usersrv/shutdown.c
   5  * PURPOSE:         Logout/shutdown
   6  * PROGRAMMERS:
   7  *
   8  * NOTE: The shutdown code must be rewritten completely. (hbelusca)
   9  */
  10
  11 /* INCLUDES *******************************************************************/
  12
  13 #include "usersrv.h"
  14 #include <sddl.h>
  15
  16 #define NDEBUG
  17 #include <debug.h>
  18
  19 /* GLOBALS ********************************************************************/
  20
  21 typedef struct tagSHUTDOWN_SETTINGS
  22 {
  23     BOOL AutoEndTasks;
  24     DWORD HungAppTimeout;
  25     DWORD WaitToKillAppTimeout;
  26 } SHUTDOWN_SETTINGS, *PSHUTDOWN_SETTINGS;
  27
  28 #define DEFAULT_AUTO_END_TASKS           FALSE
  29 #define DEFAULT_HUNG_APP_TIMEOUT         5000
  30 #define DEFAULT_WAIT_TO_KILL_APP_TIMEOUT 20000
  31
  32 typedef struct tagNOTIFY_CONTEXT
  33 {
  34     DWORD ProcessId;
  35     UINT Msg;
  36     WPARAM wParam;
  37     LPARAM lParam;
  38     HDESK Desktop;
  39     HDESK OldDesktop;
  40     DWORD StartTime;
  41     DWORD QueryResult;
  42     HWND Dlg;
  43     DWORD EndNowResult;
  44     BOOL ShowUI;
  45     HANDLE UIThread;
  46     HWND WndClient;
  47     PSHUTDOWN_SETTINGS ShutdownSettings;
  48     LPTHREAD_START_ROUTINE SendMessageProc;
  49 } NOTIFY_CONTEXT, *PNOTIFY_CONTEXT;
  50
  51 #define QUERY_RESULT_ABORT    0
  52 #define QUERY_RESULT_CONTINUE 1
  53 #define QUERY_RESULT_TIMEOUT  2
  54 #define QUERY_RESULT_ERROR    3
  55 #define QUERY_RESULT_FORCE    4
  56
  57 typedef void (WINAPI *INITCOMMONCONTROLS_PROC)(void);
  58
  59 typedef struct tagMESSAGE_CONTEXT
  60 {
  61     HWND Wnd;
  62     UINT Msg;
  63     WPARAM wParam;
  64     LPARAM lParam;
  65     DWORD Timeout;
  66 } MESSAGE_CONTEXT, *PMESSAGE_CONTEXT;
  67
  68 typedef struct tagPROCESS_ENUM_CONTEXT
  69 {
  70     UINT ProcessCount;
  71     PCSR_PROCESS *ProcessData;
  72     TOKEN_ORIGIN TokenOrigin;
  73     DWORD ShellProcess;
  74     DWORD CsrssProcess;
  75 } PROCESS_ENUM_CONTEXT, *PPROCESS_ENUM_CONTEXT;
  76
  77
  78 /* FUNCTIONS ******************************************************************/
  79
  80 /*
  81 NTSTATUS FASTCALL
  82 Win32CsrEnumProcesses(CSRSS_ENUM_PROCESS_PROC EnumProc,
  83                       PVOID Context)
  84 {
  85     return CsrEnumProcesses(EnumProc, Context);
  86 }
  87 */
  88
  89 static void FASTCALL
  90 UpdateProgressBar(HWND ProgressBar, PNOTIFY_CONTEXT NotifyContext)
  91 {
  92     DWORD Passed;
  93
  94     Passed = GetTickCount() - NotifyContext->StartTime;
  95     Passed -= NotifyContext->ShutdownSettings->HungAppTimeout;
  96     if (NotifyContext->ShutdownSettings->WaitToKillAppTimeout < Passed)
  97     {
  98         Passed = NotifyContext->ShutdownSettings->WaitToKillAppTimeout;
  99     }
 100     SendMessageW(ProgressBar, PBM_SETPOS, Passed / 2, 0);
 101 }
 102
 103 static INT_PTR CALLBACK
 104 EndNowDlgProc(HWND Dlg, UINT Msg, WPARAM wParam, LPARAM lParam)
 105 {
 106     INT_PTR Result;
 107     PNOTIFY_CONTEXT NotifyContext;
 108     HWND ProgressBar;
 109     DWORD TitleLength;
 110     int Len;
 111     LPWSTR Title;
 112
 113     switch(Msg)
 114     {
 115     case WM_INITDIALOG:
 116         NotifyContext = (PNOTIFY_CONTEXT) lParam;
 117         NotifyContext->EndNowResult = QUERY_RESULT_ABORT;
 118         SetWindowLongPtrW(Dlg, DWLP_USER, (LONG_PTR) lParam);
 119         TitleLength = SendMessageW(NotifyContext->WndClient, WM_GETTEXTLENGTH,
 120                                    0, 0) +
 121                       GetWindowTextLengthW(Dlg);
 122         Title = HeapAlloc(UserServerHeap, 0, (TitleLength + 1) * sizeof(WCHAR));
 123         if (NULL != Title)
 124         {
 125             Len = GetWindowTextW(Dlg, Title, TitleLength + 1);
 126             SendMessageW(NotifyContext->WndClient, WM_GETTEXT,
 127                          TitleLength + 1 - Len, (LPARAM) (Title + Len));
 128             SetWindowTextW(Dlg, Title);
 129             HeapFree(UserServerHeap, 0, Title);
 130         }
 131         ProgressBar = GetDlgItem(Dlg, IDC_PROGRESS);
 132         SendMessageW(ProgressBar, PBM_SETRANGE32, 0,
 133                      NotifyContext->ShutdownSettings->WaitToKillAppTimeout / 2);
 134         UpdateProgressBar(ProgressBar, NotifyContext);
 135         SetTimer(Dlg, 0, 200, NULL);
 136         Result = FALSE;
 137         break;
 138
 139     case WM_TIMER:
 140         NotifyContext = (PNOTIFY_CONTEXT) GetWindowLongPtrW(Dlg, DWLP_USER);
 141         ProgressBar = GetDlgItem(Dlg, IDC_PROGRESS);
 142         UpdateProgressBar(ProgressBar, NotifyContext);
 143         Result = TRUE;
 144         break;
 145
 146     case WM_COMMAND:
 147         if (BN_CLICKED == HIWORD(wParam) && IDC_END_NOW == LOWORD(wParam))
 148         {
 149             NotifyContext = (PNOTIFY_CONTEXT) GetWindowLongPtrW(Dlg, DWLP_USER);
 150             NotifyContext->EndNowResult = QUERY_RESULT_FORCE;
 151             SendMessageW(Dlg, WM_CLOSE, 0, 0);
 152             Result = TRUE;
 153         }
 154         else
 155         {
 156             Result = FALSE;
 157         }
 158         break;
 159
 160     case WM_CLOSE:
 161         DestroyWindow(Dlg);
 162         Result = TRUE;
 163         break;
 164
 165     case WM_DESTROY:
 166         NotifyContext = (PNOTIFY_CONTEXT) GetWindowLongPtrW(Dlg, DWLP_USER);
 167         NotifyContext->Dlg = NULL;
 168         KillTimer(Dlg, 0);
 169         PostQuitMessage(NotifyContext->EndNowResult);
 170         Result = TRUE;
 171         break;
 172
 173     default:
 174         Result = FALSE;
 175         break;
 176     }
 177
 178     return Result;
 179 }
 180
 181 static void
 182 CallInitCommonControls()
 183 {
 184     static BOOL Initialized = FALSE;
 185     HMODULE Lib;
 186     INITCOMMONCONTROLS_PROC InitProc;
 187
 188     if (Initialized) return;
 189
 190     Lib = LoadLibraryW(L"COMCTL32.DLL");
 191     if (NULL == Lib) return;
 192
 193     InitProc = (INITCOMMONCONTROLS_PROC) GetProcAddress(Lib, "InitCommonControls");
 194     if (NULL == InitProc) return;
 195
 196     (*InitProc)();
 197
 198     Initialized = TRUE;
 199 }
 200
 201 static DWORD WINAPI
 202 EndNowThreadProc(LPVOID Parameter)
 203 {
 204     PNOTIFY_CONTEXT NotifyContext = (PNOTIFY_CONTEXT) Parameter;
 205     MSG Msg;
 206
 207     SetThreadDesktop(NotifyContext->Desktop);
 208     SwitchDesktop(NotifyContext->Desktop);
 209     CallInitCommonControls();
 210     NotifyContext->Dlg = CreateDialogParam(UserServerDllInstance,
 211                                            MAKEINTRESOURCE(IDD_END_NOW), NULL,
 212                                            EndNowDlgProc, (LPARAM) NotifyContext);
 213     if (NULL == NotifyContext->Dlg)
 214     {
 215         return 0;
 216     }
 217     ShowWindow(NotifyContext->Dlg, SW_SHOWNORMAL);
 218
 219     while (GetMessageW(&Msg, NULL, 0, 0))
 220     {
 221         if (! IsDialogMessage(NotifyContext->Dlg, &Msg))
 222         {
 223             TranslateMessage(&Msg);
 224             DispatchMessageW(&Msg);
 225         }
 226     }
 227
 228     return Msg.wParam;
 229 }
 230
 231 static DWORD WINAPI
 232 SendQueryEndSession(LPVOID Parameter)
 233 {
 234     PMESSAGE_CONTEXT Context = (PMESSAGE_CONTEXT) Parameter;
 235     DWORD_PTR Result;
 236
 237     if (SendMessageTimeoutW(Context->Wnd, WM_QUERYENDSESSION, Context->wParam,
 238                             Context->lParam, SMTO_NORMAL, Context->Timeout,
 239                             &Result))
 240     {
 241         return Result ? QUERY_RESULT_CONTINUE : QUERY_RESULT_ABORT;
 242     }
 243
 244     return 0 == GetLastError() ? QUERY_RESULT_TIMEOUT : QUERY_RESULT_ERROR;
 245 }
 246
 247 static DWORD WINAPI
 248 SendEndSession(LPVOID Parameter)
 249 {
 250     PMESSAGE_CONTEXT Context = (PMESSAGE_CONTEXT) Parameter;
 251     DWORD_PTR Result;
 252
 253     if (Context->wParam)
 254     {
 255         if (SendMessageTimeoutW(Context->Wnd, WM_ENDSESSION, Context->wParam,
 256                                 Context->lParam, SMTO_NORMAL, Context->Timeout,
 257                                 &Result))
 258         {
 259             return QUERY_RESULT_CONTINUE;
 260         }
 261         return 0 == GetLastError() ? QUERY_RESULT_TIMEOUT : QUERY_RESULT_ERROR;
 262     }
 263     else
 264     {
 265         SendMessage(Context->Wnd, WM_ENDSESSION, Context->wParam,
 266                     Context->lParam);
 267         return QUERY_RESULT_CONTINUE;
 268     }
 269 }
 270
 271 static BOOL CALLBACK
 272 NotifyTopLevelEnum(HWND Wnd, LPARAM lParam)
 273 {
 274     PNOTIFY_CONTEXT NotifyContext = (PNOTIFY_CONTEXT) lParam;
 275     MESSAGE_CONTEXT MessageContext;
 276     DWORD Now, Passed;
 277     DWORD Timeout, WaitStatus;
 278     DWORD ProcessId;
 279     HANDLE MessageThread;
 280     HANDLE Threads[2];
 281
 282     if (0 == GetWindowThreadProcessId(Wnd, &ProcessId))
 283     {
 284         NotifyContext->QueryResult = QUERY_RESULT_ERROR;
 285         return FALSE;
 286     }
 287
 288     if (ProcessId == NotifyContext->ProcessId)
 289     {
 290         Now = GetTickCount();
 291         if (0 == NotifyContext->StartTime)
 292         {
 293             NotifyContext->StartTime = Now;
 294         }
 295         /* Note: Passed is computed correctly even when GetTickCount() wraps due
 296            to unsigned arithmetic */
 297         Passed = Now - NotifyContext->StartTime;
 298         MessageContext.Wnd = Wnd;
 299         MessageContext.Msg = NotifyContext->Msg;
 300         MessageContext.wParam = NotifyContext->wParam;
 301         MessageContext.lParam = NotifyContext->lParam;
 302         MessageContext.Timeout = NotifyContext->ShutdownSettings->HungAppTimeout;
 303         if (! NotifyContext->ShutdownSettings->AutoEndTasks)
 304         {
 305             MessageContext.Timeout += NotifyContext->ShutdownSettings->WaitToKillAppTimeout;
 306         }
 307         if (Passed < MessageContext.Timeout)
 308         {
 309             MessageContext.Timeout -= Passed;
 310             MessageThread = CreateThread(NULL, 0, NotifyContext->SendMessageProc,
 311                                          (LPVOID) &MessageContext, 0, NULL);
 312             if (NULL == MessageThread)
 313             {
 314                 NotifyContext->QueryResult = QUERY_RESULT_ERROR;
 315                 return FALSE;
 316             }
 317             Timeout = NotifyContext->ShutdownSettings->HungAppTimeout;
 318             if (Passed < Timeout)
 319             {
 320                 Timeout -= Passed;
 321                 WaitStatus = WaitForSingleObjectEx(MessageThread, Timeout, FALSE);
 322             }
 323             else
 324             {
 325                 WaitStatus = WAIT_TIMEOUT;
 326             }
 327             if (WAIT_TIMEOUT == WaitStatus)
 328             {
 329                 NotifyContext->WndClient = Wnd;
 330                 if (NULL == NotifyContext->UIThread && NotifyContext->ShowUI)
 331                 {
 332                     NotifyContext->UIThread = CreateThread(NULL, 0,
 333                                                            EndNowThreadProc,
 334                                                            (LPVOID) NotifyContext,
 335                                                            0, NULL);
 336                 }
 337                 Threads[0] = MessageThread;
 338                 Threads[1] = NotifyContext->UIThread;
 339                 WaitStatus = WaitForMultipleObjectsEx(NULL == NotifyContext->UIThread ?
 340                                                       1 : 2,
 341                                                       Threads, FALSE, INFINITE,
 342                                                       FALSE);
 343                 if (WAIT_OBJECT_0 == WaitStatus)
 344                 {
 345                     if (! GetExitCodeThread(MessageThread, &NotifyContext->QueryResult))
 346                     {
 347                         NotifyContext->QueryResult = QUERY_RESULT_ERROR;
 348                     }
 349                 }
 350                 else if (WAIT_OBJECT_0 + 1 == WaitStatus)
 351                 {
 352                     if (! GetExitCodeThread(NotifyContext->UIThread,
 353                                             &NotifyContext->QueryResult))
 354                     {
 355                         NotifyContext->QueryResult = QUERY_RESULT_ERROR;
 356                     }
 357                 }
 358                 else
 359                 {
 360                     NotifyContext->QueryResult = QUERY_RESULT_ERROR;
 361                 }
 362                 if (WAIT_OBJECT_0 != WaitStatus)
 363                 {
 364                     TerminateThread(MessageThread, QUERY_RESULT_TIMEOUT);
 365                 }
 366             }
 367             else if (WAIT_OBJECT_0 == WaitStatus)
 368             {
 369                 if (! GetExitCodeThread(MessageThread,
 370                                         &NotifyContext->QueryResult))
 371                 {
 372                     NotifyContext->QueryResult = QUERY_RESULT_ERROR;
 373                 }
 374             }
 375             else
 376             {
 377                 NotifyContext->QueryResult = QUERY_RESULT_ERROR;
 378             }
 379             CloseHandle(MessageThread);
 380         }
 381         else
 382         {
 383             NotifyContext->QueryResult = QUERY_RESULT_TIMEOUT;
 384         }
 385     }
 386
 387     return QUERY_RESULT_CONTINUE == NotifyContext->QueryResult;
 388 }
 389
 390 static BOOL CALLBACK
 391 NotifyDesktopEnum(LPWSTR DesktopName, LPARAM lParam)
 392 {
 393     PNOTIFY_CONTEXT Context = (PNOTIFY_CONTEXT) lParam;
 394
 395     Context->Desktop = OpenDesktopW(DesktopName, 0, FALSE,
 396                                     DESKTOP_ENUMERATE | DESKTOP_SWITCHDESKTOP);
 397     if (NULL == Context->Desktop)
 398     {
 399         DPRINT1("OpenDesktop failed with error %d\n", GetLastError());
 400         Context->QueryResult = QUERY_RESULT_ERROR;
 401         return FALSE;
 402     }
 403
 404     Context->OldDesktop = GetThreadDesktop(GetCurrentThreadId());
 405     SwitchDesktop(Context->Desktop);
 406
 407     EnumDesktopWindows(Context->Desktop, NotifyTopLevelEnum, lParam);
 408
 409     SwitchDesktop(Context->OldDesktop);
 410
 411     CloseDesktop(Context->Desktop);
 412
 413     return QUERY_RESULT_CONTINUE == Context->QueryResult;
 414 }
 415
 416 static BOOL FASTCALL
 417 NotifyTopLevelWindows(PNOTIFY_CONTEXT Context)
 418 {
 419     HWINSTA WindowStation;
 420
 421     WindowStation = GetProcessWindowStation();
 422     if (NULL == WindowStation)
 423     {
 424         DPRINT1("GetProcessWindowStation failed with error %d\n", GetLastError());
 425         return TRUE;
 426     }
 427
 428     EnumDesktopsW(WindowStation, NotifyDesktopEnum, (LPARAM) Context);
 429
 430     return TRUE;
 431 }
 432
 433 static BOOL
 434 DtbgIsDesktopVisible(VOID)
 435 {
 436     return !((BOOL)NtUserCallNoParam(NOPARAM_ROUTINE_ISCONSOLEMODE));
 437 }
 438
 439 /* TODO: Find an other way to do it. */
 440 #if 0
 441 VOID FASTCALL
 442 ConioConsoleCtrlEventTimeout(DWORD Event, PCSR_PROCESS ProcessData, DWORD Timeout)
 443 {
 444     HANDLE Thread;
 445
 446     DPRINT("ConioConsoleCtrlEvent Parent ProcessId = %x\n", ProcessData->ClientId.UniqueProcess);
 447
 448     if (ProcessData->CtrlDispatcher)
 449     {
 450
 451         Thread = CreateRemoteThread(ProcessData->ProcessHandle, NULL, 0,
 452                                     (LPTHREAD_START_ROUTINE) ProcessData->CtrlDispatcher,
 453                                     UlongToPtr(Event), 0, NULL);
 454         if (NULL == Thread)
 455         {
 456             DPRINT1("Failed thread creation (Error: 0x%x)\n", GetLastError());
 457             return;
 458         }
 459         WaitForSingleObject(Thread, Timeout);
 460         CloseHandle(Thread);
 461     }
 462 }
 463 #endif
 464 /************************************************/
 465
 466 static BOOL FASTCALL
 467 NotifyAndTerminateProcess(PCSR_PROCESS ProcessData,
 468                           PSHUTDOWN_SETTINGS ShutdownSettings,
 469                           UINT Flags)
 470 {
 471     NOTIFY_CONTEXT Context;
 472     HANDLE Process;
 473     DWORD QueryResult = QUERY_RESULT_CONTINUE;
 474
 475     Context.QueryResult = QUERY_RESULT_CONTINUE;
 476
 477     if (0 == (Flags & EWX_FORCE))
 478     {
 479         // TODO: Find an other way whether or not the process has a console.
 480 #if 0
 481         if (NULL != ProcessData->Console)
 482         {
 483             ConioConsoleCtrlEventTimeout(CTRL_LOGOFF_EVENT, ProcessData,
 484                                          ShutdownSettings->WaitToKillAppTimeout);
 485         }
 486         else
 487 #endif
 488         {
 489             Context.ProcessId = (DWORD_PTR) ProcessData->ClientId.UniqueProcess;
 490             Context.wParam = 0;
 491             Context.lParam = (0 != (Flags & EWX_INTERNAL_FLAG_LOGOFF) ?
 492                               ENDSESSION_LOGOFF : 0);
 493             Context.StartTime = 0;
 494             Context.UIThread = NULL;
 495             Context.ShowUI = DtbgIsDesktopVisible();
 496             Context.Dlg = NULL;
 497             Context.ShutdownSettings = ShutdownSettings;
 498             Context.SendMessageProc = SendQueryEndSession;
 499
 500             NotifyTopLevelWindows(&Context);
 501
 502             Context.wParam = (QUERY_RESULT_ABORT != Context.QueryResult);
 503             Context.lParam = (0 != (Flags & EWX_INTERNAL_FLAG_LOGOFF) ?
 504                               ENDSESSION_LOGOFF : 0);
 505             Context.SendMessageProc = SendEndSession;
 506             Context.ShowUI = DtbgIsDesktopVisible() &&
 507                              (QUERY_RESULT_ABORT != Context.QueryResult);
 508             QueryResult = Context.QueryResult;
 509             Context.QueryResult = QUERY_RESULT_CONTINUE;
 510
 511             NotifyTopLevelWindows(&Context);
 512
 513             if (NULL != Context.UIThread)
 514             {
 515                 if (NULL != Context.Dlg)
 516                 {
 517                     SendMessageW(Context.Dlg, WM_CLOSE, 0, 0);
 518                 }
 519                 else
 520                 {
 521                     TerminateThread(Context.UIThread, QUERY_RESULT_ERROR);
 522                 }
 523                 CloseHandle(Context.UIThread);
 524             }
 525         }
 526
 527         if (QUERY_RESULT_ABORT == QueryResult)
 528         {
 529             return FALSE;
 530         }
 531     }
 532
 533     /* Terminate this process */
 534     Process = OpenProcess(PROCESS_TERMINATE, FALSE,
 535                           (DWORD_PTR) ProcessData->ClientId.UniqueProcess);
 536     if (NULL == Process)
 537     {
 538         DPRINT1("Unable to open process %d, error %d\n", ProcessData->ClientId.UniqueProcess,
 539                 GetLastError());
 540         return TRUE;
 541     }
 542     TerminateProcess(Process, 0);
 543     CloseHandle(Process);
 544
 545     return TRUE;
 546 }
 547
 548 #if 0
 549 static NTSTATUS WINAPI
 550 ExitReactosProcessEnum(PCSR_PROCESS ProcessData, PVOID Data)
 551 {
 552     HANDLE Process;
 553     HANDLE Token;
 554     TOKEN_ORIGIN Origin;
 555     DWORD ReturnLength;
 556     PPROCESS_ENUM_CONTEXT Context = (PPROCESS_ENUM_CONTEXT) Data;
 557     PCSR_PROCESS *NewData;
 558
 559     /* Do not kill winlogon or csrss */
 560     if ((DWORD_PTR) ProcessData->ClientId.UniqueProcess == Context->CsrssProcess ||
 561             ProcessData->ClientId.UniqueProcess == LogonProcessId)
 562     {
 563         return STATUS_SUCCESS;
 564     }
 565
 566     /* Get the login session of this process */
 567     Process = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
 568                           (DWORD_PTR) ProcessData->ClientId.UniqueProcess);
 569     if (NULL == Process)
 570     {
 571         DPRINT1("Unable to open process %d, error %d\n", ProcessData->ClientId.UniqueProcess,
 572                 GetLastError());
 573         return STATUS_UNSUCCESSFUL;
 574     }
 575
 576     if (! OpenProcessToken(Process, TOKEN_QUERY, &Token))
 577     {
 578         DPRINT1("Unable to open token for process %d, error %d\n",
 579                 ProcessData->ClientId.UniqueProcess, GetLastError());
 580         CloseHandle(Process);
 581         return STATUS_UNSUCCESSFUL;
 582     }
 583     CloseHandle(Process);
 584
 585     if (! GetTokenInformation(Token, TokenOrigin, &Origin,
 586                               sizeof(TOKEN_ORIGIN), &ReturnLength))
 587     {
 588         DPRINT1("GetTokenInformation failed for process %d with error %d\n",
 589                 ProcessData->ClientId.UniqueProcess, GetLastError());
 590         CloseHandle(Token);
 591         return STATUS_UNSUCCESSFUL;
 592     }
 593     CloseHandle(Token);
 594
 595     /* This process will be killed if it's in the correct logon session */
 596     if (RtlEqualLuid(&(Context->TokenOrigin.OriginatingLogonSession),
 597                      &(Origin.OriginatingLogonSession)))
 598     {
 599         /* Kill the shell process last */
 600         if ((DWORD_PTR) ProcessData->ClientId.UniqueProcess == Context->ShellProcess)
 601         {
 602             ProcessData->ShutdownLevel = 0;
 603         }
 604         NewData = HeapAlloc(UserServerHeap, 0, (Context->ProcessCount + 1)
 605                             * sizeof(PCSR_PROCESS));
 606         if (NULL == NewData)
 607         {
 608             return STATUS_NO_MEMORY;
 609         }
 610         if (0 != Context->ProcessCount)
 611         {
 612             memcpy(NewData, Context->ProcessData,
 613                    Context->ProcessCount * sizeof(PCSR_PROCESS));
 614             HeapFree(UserServerHeap, 0, Context->ProcessData);
 615         }
 616         Context->ProcessData = NewData;
 617         Context->ProcessData[Context->ProcessCount] = ProcessData;
 618         Context->ProcessCount++;
 619     }
 620
 621     return STATUS_SUCCESS;
 622 }
 623 #endif
 624
 625 static int
 626 ProcessDataCompare(const void *Elem1, const void *Elem2)
 627 {
 628     const PCSR_PROCESS *ProcessData1 = (PCSR_PROCESS *) Elem1;
 629     const PCSR_PROCESS *ProcessData2 = (PCSR_PROCESS *) Elem2;
 630
 631     if ((*ProcessData1)->ShutdownLevel < (*ProcessData2)->ShutdownLevel)
 632     {
 633         return +1;
 634     }
 635     else if ((*ProcessData2)->ShutdownLevel < (*ProcessData1)->ShutdownLevel)
 636     {
 637         return -1;
 638     }
 639     else if ((*ProcessData1)->ClientId.UniqueProcess < (*ProcessData2)->ClientId.UniqueProcess)
 640     {
 641         return +1;
 642     }
 643     else if ((*ProcessData2)->ClientId.UniqueProcess < (*ProcessData1)->ClientId.UniqueProcess)
 644     {
 645         return -1;
 646     }
 647
 648     return 0;
 649 }
 650
 651 static DWORD FASTCALL
 652 GetShutdownSettings(HKEY DesktopKey, LPCWSTR ValueName, DWORD DefaultValue)
 653 {
 654     BYTE ValueBuffer[16];
 655     LONG ErrCode;
 656     DWORD Type;
 657     DWORD ValueSize;
 658     UNICODE_STRING StringValue;
 659     ULONG Value;
 660
 661     ValueSize = sizeof(ValueBuffer);
 662     ErrCode = RegQueryValueExW(DesktopKey, ValueName, NULL, &Type, ValueBuffer,
 663                                &ValueSize);
 664     if (ERROR_SUCCESS != ErrCode)
 665     {
 666         DPRINT("GetShutdownSettings for %S failed with error code %ld\n",
 667                ValueName, ErrCode);
 668         return DefaultValue;
 669     }
 670
 671     if (REG_SZ == Type)
 672     {
 673         RtlInitUnicodeString(&StringValue, (LPCWSTR) ValueBuffer);
 674         if (! NT_SUCCESS(RtlUnicodeStringToInteger(&StringValue, 10, &Value)))
 675         {
 676             DPRINT1("Unable to convert value %S for setting %S\n",
 677                     StringValue.Buffer, ValueName);
 678             return DefaultValue;
 679         }
 680         return (DWORD) Value;
 681     }
 682     else if (REG_DWORD == Type)
 683     {
 684         return *((DWORD *) ValueBuffer);
 685     }
 686
 687     DPRINT1("Unexpected registry type %d for setting %S\n", Type, ValueName);
 688     return DefaultValue;
 689 }
 690
 691 static void FASTCALL
 692 LoadShutdownSettings(PSID Sid, PSHUTDOWN_SETTINGS ShutdownSettings)
 693 {
 694     static WCHAR Subkey[] = L"\\Control Panel\\Desktop";
 695     LPWSTR StringSid;
 696     WCHAR InitialKeyName[128];
 697     LPWSTR KeyName;
 698     HKEY DesktopKey;
 699     LONG ErrCode;
 700
 701     ShutdownSettings->AutoEndTasks = DEFAULT_AUTO_END_TASKS;
 702     ShutdownSettings->HungAppTimeout = DEFAULT_HUNG_APP_TIMEOUT;
 703     ShutdownSettings->WaitToKillAppTimeout = DEFAULT_WAIT_TO_KILL_APP_TIMEOUT;
 704
 705     if (! ConvertSidToStringSidW(Sid, &StringSid))
 706     {
 707         DPRINT1("ConvertSidToStringSid failed with error %d, using default shutdown settings\n",
 708                 GetLastError());
 709         return;
 710     }
 711     if (wcslen(StringSid) + wcslen(Subkey) + 1 <=
 712             sizeof(InitialKeyName) / sizeof(WCHAR))
 713     {
 714         KeyName = InitialKeyName;
 715     }
 716     else
 717     {
 718         KeyName = HeapAlloc(UserServerHeap, 0,
 719                             (wcslen(StringSid) + wcslen(Subkey) + 1) *
 720                             sizeof(WCHAR));
 721         if (NULL == KeyName)
 722         {
 723             DPRINT1("Failed to allocate memory, using default shutdown settings\n");
 724             LocalFree(StringSid);
 725             return;
 726         }
 727     }
 728     wcscat(wcscpy(KeyName, StringSid), Subkey);
 729     LocalFree(StringSid);
 730
 731     ErrCode = RegOpenKeyExW(HKEY_USERS, KeyName, 0, KEY_QUERY_VALUE, &DesktopKey);
 732     if (KeyName != InitialKeyName)
 733     {
 734         HeapFree(UserServerHeap, 0, KeyName);
 735     }
 736     if (ERROR_SUCCESS != ErrCode)
 737     {
 738         DPRINT1("RegOpenKeyEx failed with error %ld, using default shutdown settings\n", ErrCode);
 739         return;
 740     }
 741
 742     ShutdownSettings->AutoEndTasks = (BOOL) GetShutdownSettings(DesktopKey, L"AutoEndTasks",
 743                                      (DWORD) DEFAULT_AUTO_END_TASKS);
 744     ShutdownSettings->HungAppTimeout = GetShutdownSettings(DesktopKey,
 745                                        L"HungAppTimeout",
 746                                        DEFAULT_HUNG_APP_TIMEOUT);
 747     ShutdownSettings->WaitToKillAppTimeout = GetShutdownSettings(DesktopKey,
 748             L"WaitToKillAppTimeout",
 749             DEFAULT_WAIT_TO_KILL_APP_TIMEOUT);
 750
 751     RegCloseKey(DesktopKey);
 752 }
 753
 754 static NTSTATUS FASTCALL
 755 InternalExitReactos(DWORD ProcessId, DWORD ThreadId, UINT Flags)
 756 {
 757     HANDLE CallerThread;
 758     HANDLE CallerToken;
 759     NTSTATUS Status;
 760     PROCESS_ENUM_CONTEXT Context;
 761     DWORD ReturnLength;
 762     HWND ShellWnd;
 763     UINT ProcessIndex;
 764     char FixedUserInfo[64];
 765     TOKEN_USER *UserInfo;
 766     SHUTDOWN_SETTINGS ShutdownSettings;
 767
 768     if (ProcessId != (DWORD_PTR) LogonProcessId)
 769     {
 770         DPRINT1("Internal ExitWindowsEx call not from winlogon\n");
 771         return STATUS_ACCESS_DENIED;
 772     }
 773
 774     DPRINT1("FIXME: Need to close all user processes!\n");
 775     return STATUS_SUCCESS;
 776
 777     CallerThread = OpenThread(THREAD_QUERY_INFORMATION, FALSE, ThreadId);
 778     if (NULL == CallerThread)
 779     {
 780         DPRINT1("OpenThread failed with error %d\n", GetLastError());
 781         return STATUS_UNSUCCESSFUL;
 782     }
 783     if (! OpenThreadToken(CallerThread, TOKEN_QUERY, FALSE, &CallerToken))
 784     {
 785         DPRINT1("OpenThreadToken failed with error %d\n", GetLastError());
 786         CloseHandle(CallerThread);
 787         return STATUS_UNSUCCESSFUL;
 788     }
 789     CloseHandle(CallerThread);
 790
 791     Context.ProcessCount = 0;
 792     Context.ProcessData = NULL;
 793     if (! GetTokenInformation(CallerToken, TokenOrigin, &Context.TokenOrigin,
 794                               sizeof(TOKEN_ORIGIN), &ReturnLength))
 795     {
 796         DPRINT1("GetTokenInformation failed with error %d\n", GetLastError());
 797         CloseHandle(CallerToken);
 798         return STATUS_UNSUCCESSFUL;
 799     }
 800     if (! GetTokenInformation(CallerToken, TokenUser, FixedUserInfo,
 801                               sizeof(FixedUserInfo), &ReturnLength))
 802     {
 803         if (sizeof(FixedUserInfo) < ReturnLength)
 804         {
 805             UserInfo = HeapAlloc(UserServerHeap, 0, ReturnLength);
 806             if (NULL == UserInfo)
 807             {
 808                 DPRINT1("Unable to allocate %u bytes for user info\n",
 809                         (unsigned) ReturnLength);
 810                 CloseHandle(CallerToken);
 811                 return STATUS_NO_MEMORY;
 812             }
 813             if (! GetTokenInformation(CallerToken, TokenUser, UserInfo,
 814                                       ReturnLength, &ReturnLength))
 815             {
 816                 DPRINT1("GetTokenInformation failed with error %d\n",
 817                         GetLastError());
 818                 HeapFree(UserServerHeap, 0, UserInfo);
 819                 CloseHandle(CallerToken);
 820                 return STATUS_UNSUCCESSFUL;
 821             }
 822         }
 823         else
 824         {
 825             DPRINT1("GetTokenInformation failed with error %d\n", GetLastError());
 826             CloseHandle(CallerToken);
 827             return STATUS_UNSUCCESSFUL;
 828         }
 829     }
 830     else
 831     {
 832         UserInfo = (TOKEN_USER *) FixedUserInfo;
 833     }
 834     CloseHandle(CallerToken);
 835     LoadShutdownSettings(UserInfo->User.Sid, &ShutdownSettings);
 836     if (UserInfo != (TOKEN_USER *) FixedUserInfo)
 837     {
 838         HeapFree(UserServerHeap, 0, UserInfo);
 839     }
 840     Context.CsrssProcess = GetCurrentProcessId();
 841     ShellWnd = GetShellWindow();
 842     if (NULL == ShellWnd)
 843     {
 844         DPRINT("No shell present\n");
 845         Context.ShellProcess = 0;
 846     }
 847     else if (0 == GetWindowThreadProcessId(ShellWnd, &Context.ShellProcess))
 848     {
 849         DPRINT1("Can't get process id of shell window\n");
 850         Context.ShellProcess = 0;
 851     }
 852
 853     // Status = Win32CsrEnumProcesses(ExitReactosProcessEnum, &Context);
 854     if (! NT_SUCCESS(Status))
 855     {
 856         DPRINT1("Failed to enumerate registered processes, status 0x%x\n",
 857                 Status);
 858         if (NULL != Context.ProcessData)
 859         {
 860             HeapFree(UserServerHeap, 0, Context.ProcessData);
 861         }
 862         return Status;
 863     }
 864
 865     qsort(Context.ProcessData, Context.ProcessCount, sizeof(PCSR_PROCESS),
 866           ProcessDataCompare);
 867
 868     /* Terminate processes, stop if we find one kicking and screaming it doesn't
 869        want to die */
 870     Status = STATUS_SUCCESS;
 871     for (ProcessIndex = 0;
 872             ProcessIndex < Context.ProcessCount && NT_SUCCESS(Status);
 873             ProcessIndex++)
 874     {
 875         if (! NotifyAndTerminateProcess(Context.ProcessData[ProcessIndex],
 876                                         &ShutdownSettings, Flags))
 877         {
 878             Status = STATUS_REQUEST_ABORTED;
 879         }
 880     }
 881
 882     /* Cleanup */
 883     if (NULL != Context.ProcessData)
 884     {
 885         HeapFree(UserServerHeap, 0, Context.ProcessData);
 886     }
 887
 888     return Status;
 889 }
 890
 891 static NTSTATUS FASTCALL
 892 UserExitReactos(DWORD UserProcessId, UINT Flags)
 893 {
 894     NTSTATUS Status;
 895
 896     /* FIXME Inside 2000 says we should impersonate the caller here */
 897     Status = NtUserCallTwoParam(UserProcessId, Flags, TWOPARAM_ROUTINE_EXITREACTOS);
 898
 899     /* If the message isn't handled, the return value is 0, so 0 doesn't indicate
 900        success. Success is indicated by a 1 return value, if anything besides 0
 901        or 1 it's a NTSTATUS value */
 902     if (1 == Status)
 903     {
 904         Status = STATUS_SUCCESS;
 905     }
 906     else if (0 == Status)
 907     {
 908         Status = STATUS_NOT_IMPLEMENTED;
 909     }
 910
 911     return Status;
 912 }
 913
 914
 915 /* PUBLIC SERVER APIS *********************************************************/
 916
 917 CSR_API(SrvExitWindowsEx)
 918 {
 919     PUSER_EXIT_REACTOS ExitReactosRequest = &((PUSER_API_MESSAGE)ApiMessage)->Data.ExitReactosRequest;
 920
 921     if (0 == (ExitReactosRequest->Flags & EWX_INTERNAL_FLAG))
 922     {
 923         return UserExitReactos((DWORD_PTR) ApiMessage->Header.ClientId.UniqueProcess,
 924                                ExitReactosRequest->Flags);
 925     }
 926     else
 927     {
 928         return InternalExitReactos((DWORD_PTR) ApiMessage->Header.ClientId.UniqueProcess,
 929                                    (DWORD_PTR) ApiMessage->Header.ClientId.UniqueThread,
 930                                    ExitReactosRequest->Flags);
 931     }
 932 }
 933
 934 /* EOF */