[ros-diffs] [gvg] 19815: Send proper messages/events to processes during logoff and kill them if they

Send proper messages/events to processes during logoff and kill them if
they
dont self-destruct.
Work in progress, not complete yet. Committed so others can work on it
too.
Modified: trunk/reactos/include/reactos/winlogon.h
Modified: trunk/reactos/lib/user32/misc/exit.c
Modified: trunk/reactos/subsys/csrss/win32csr/conio.c
Modified: trunk/reactos/subsys/csrss/win32csr/dllmain.c
Modified: trunk/reactos/subsys/csrss/win32csr/exitros.c
Added: trunk/reactos/subsys/csrss/win32csr/resource.h
Modified: trunk/reactos/subsys/csrss/win32csr/win32csr.rc
Modified: trunk/reactos/subsys/csrss/win32csr/win32csr.xml
Modified: trunk/reactos/subsys/system/winlogon/sas.c
Modified: trunk/reactos/subsys/system/winlogon/winlogon.c
Modified: trunk/reactos/subsys/system/winlogon/winlogon.h
Modified: trunk/reactos/subsys/system/winlogon/wlx.c
  _____  

Modified: trunk/reactos/include/reactos/winlogon.h
--- trunk/reactos/include/reactos/winlogon.h	2005-12-01 22:24:00 UTC
(rev 19814)
+++ trunk/reactos/include/reactos/winlogon.h	2005-12-01 22:29:57 UTC
(rev 19815)
@@ -10,15 +10,12 @@

 #ifndef REACTOS_WINLOGON_H_INCLUDED
 #define REACTOS_WINLOGON_H_INCLUDED
 
-#define WINLOGON_DESKTOP   L"Winlogon"
-#define WINLOGON_SAS_CLASS L"SAS window class"
-#define WINLOGON_SAS_TITLE L"SAS"
-
 #define PM_WINLOGON_EXITWINDOWS WM_APP
 
-#define EWX_INTERNAL_FLAG          0x10000
+#define EWX_INTERNAL_FLAG           0x10000
 #define EWX_INTERNAL_KILL_USER_APPS (EWX_INTERNAL_FLAG | 0x100)
 #define EWX_INTERNAL_KILL_ALL_APPS  (EWX_INTERNAL_FLAG | 0x200)
+#define EWX_INTERNAL_FLAG_LOGOFF    0x1000
 
 #endif /* REACTOS_WINLOGON_H_INCLUDED */
 
  _____  

Modified: trunk/reactos/lib/user32/misc/exit.c
--- trunk/reactos/lib/user32/misc/exit.c	2005-12-01 22:24:00 UTC
(rev 19814)
+++ trunk/reactos/lib/user32/misc/exit.c	2005-12-01 22:29:57 UTC
(rev 19815)
@@ -13,11 +13,9 @@

  * Sequence of events:
  *
  * - App (usually explorer) calls ExitWindowsEx()
- * - ExitWindowsEx() sends a message to CSRSS (note: investigation
shows it
- *   doesn't transfer to kernel mode)
+ * - ExitWindowsEx() sends a message to CSRSS
  * - CSRSS impersonates the caller and sends a message to a hidden
WinLogon window
- * - WinLogon sends a SAS event to the GINA, asking for permission
(e.g. if the
- *   required rights are granted) to proceed
+ * - WinLogon checks if the caller has the required privileges
  * - WinLogon enters pending log-out state
  * - WinLogon impersonates the interactive user and calls
ExitWindowsEx() again,
  *   passing some special internal flags
@@ -28,7 +26,7 @@
  *   CSRSS will put up a dialog box asking if the process should be
terminated.
  *   Using the registry key HKCU\Control Panel\Desktop\AutoEndTask you
can
  *   specify that the dialog box shouldn't be shown and CSRSS should
just
- *   terminates the thread. If the the WM_ENDSESSION message is
processed
+ *   terminate the thread. If the the WM_ENDSESSION message is
processed
  *   but the thread doesn't terminate within the timeout specified by
  *   HKCU\Control Panel\Desktop\WaitToKillAppTimeout CSRSS will
terminate
  *   the thread. When all the top-level windows have been destroyed
CSRSS
@@ -53,15 +51,13 @@
  *   dialog boxes or kill threads/processes. Same for console
processes,
  *   using the CTRL_SHUTDOWN_EVENT. The Service Control Manager is one
of
  *   these console processes and has a special timeout value
WaitToKillServiceTimeout.
- * - WinLogon calls ADVAPI32.InitiateSystemShutdown()
- * - ADVAPI32.InitiateSystemShutdown*() issues a
"InitiateSystemShutdown" request
- *   to the SM (SMSS API # 1)
+ * - WinLogon issues a "InitiateSystemShutdown" request to the SM (SMSS
API # 1)
  * - the SM propagates the shutdown request to every environment
subsystem it
  *   started since bootstrap time (still active ones, of course)
  * - each environment subsystem, on shutdown request, releases every
resource
  *   it aquired during its life (processes, memory etc), then dies
  * - when every environment subsystem has gone to bed, the SM actually
initiates
- *   to shutdown the kernel and executive by calling NtShutdownSystem.
+ *   the kernel and executive shutdown by calling NtShutdownSystem.
  */
 /*
  * @implemented
  _____  

Modified: trunk/reactos/subsys/csrss/win32csr/conio.c
--- trunk/reactos/subsys/csrss/win32csr/conio.c	2005-12-01 22:24:00 UTC
(rev 19814)
+++ trunk/reactos/subsys/csrss/win32csr/conio.c	2005-12-01 22:29:57 UTC
(rev 19815)
@@ -56,7 +56,7 @@

 }
 
 VOID FASTCALL
-ConioConsoleCtrlEvent(DWORD Event, PCSRSS_PROCESS_DATA ProcessData)
+ConioConsoleCtrlEventTimeout(DWORD Event, PCSRSS_PROCESS_DATA
ProcessData, DWORD Timeout)
 {
   HANDLE Thread;
 
@@ -73,10 +73,17 @@
           DPRINT1("Failed thread creation (Error: 0x%x)\n",
GetLastError());
           return;
         }
+      WaitForSingleObject(Thread, Timeout);
       CloseHandle(Thread);
     }
 }
 
+VOID FASTCALL
+ConioConsoleCtrlEvent(DWORD Event, PCSRSS_PROCESS_DATA ProcessData)
+{
+  ConioConsoleCtrlEventTimeout(Event, ProcessData, INFINITE);
+}
+
 #define GET_CELL_BUFFER(b,o)\
 (b)->Buffer[(o)++]
 
  _____  

Modified: trunk/reactos/subsys/csrss/win32csr/dllmain.c
--- trunk/reactos/subsys/csrss/win32csr/dllmain.c	2005-12-01
22:24:00 UTC (rev 19814)
+++ trunk/reactos/subsys/csrss/win32csr/dllmain.c	2005-12-01
22:29:57 UTC (rev 19815)
@@ -143,11 +143,18 @@

 
 NTSTATUS FASTCALL
 Win32CsrReleaseObject(PCSRSS_PROCESS_DATA ProcessData,
-                     HANDLE Object)
+                      HANDLE Object)
 {
   return (CsrExports.CsrReleaseObjectProc)(ProcessData, Object);
 }
 
+NTSTATUS FASTCALL
+Win32CsrEnumProcesses(CSRSS_ENUM_PROCESS_PROC EnumProc,
+                      PVOID Context)
+{
+  return (CsrExports.CsrEnumProcessesProc)(EnumProc, Context);
+}
+
 static BOOL STDCALL
 Win32CsrInitComplete(void)
 {
  _____  

Modified: trunk/reactos/subsys/csrss/win32csr/exitros.c
--- trunk/reactos/subsys/csrss/win32csr/exitros.c	2005-12-01
22:24:00 UTC (rev 19814)
+++ trunk/reactos/subsys/csrss/win32csr/exitros.c	2005-12-01
22:29:57 UTC (rev 19815)
@@ -9,6 +9,8 @@

 /* INCLUDES
******************************************************************/
 
 #include "w32csr.h"
+#include <sddl.h>
+#include "resource.h"
 
 #define NDEBUG
 #include <debug.h>
@@ -52,7 +54,8 @@
   DWORD WindowCreator;
 
   Request->Header.u1.s1.TotalLength = sizeof(CSR_API_MESSAGE);
-  Request->Header.u1.s1.DataLength = sizeof(CSR_API_MESSAGE) -
sizeof(PORT_MESSAGE);
+  Request->Header.u1.s1.DataLength = sizeof(CSR_API_MESSAGE) -
+                                     sizeof(PORT_MESSAGE);
 
   if (0 ==
GetWindowThreadProcessId(Request->Data.SetLogonNotifyWindowRequest.Logon
NotifyWindow,
                                     &WindowCreator))
@@ -75,34 +78,873 @@
   return Request->Status;
 }
 
-CSR_API(CsrExitReactos)
+typedef struct tagSHUTDOWN_SETTINGS
 {
-  Request->Header.u1.s1.TotalLength = sizeof(CSR_API_MESSAGE);
-  Request->Header.u1.s1.DataLength = sizeof(CSR_API_MESSAGE) -
sizeof(PORT_MESSAGE);
+  BOOL AutoEndTasks;
+  DWORD HungAppTimeout;
+  DWORD WaitToKillAppTimeout;
+} SHUTDOWN_SETTINGS, *PSHUTDOWN_SETTINGS;
 
+#define DEFAULT_AUTO_END_TASKS           FALSE
+#define DEFAULT_HUNG_APP_TIMEOUT         5000
+#define DEFAULT_WAIT_TO_KILL_APP_TIMEOUT 20000
+
+typedef struct tagNOTIFY_CONTEXT
+{
+  DWORD ProcessId;
+  UINT Msg;
+  WPARAM wParam;
+  LPARAM lParam;
+  HDESK Desktop;
+  DWORD StartTime;
+  DWORD QueryResult;
+  HWND Dlg;
+  DWORD EndNowResult;
+  BOOL ShowUI;
+  HANDLE UIThread;
+  HWND WndClient;
+  PSHUTDOWN_SETTINGS ShutdownSettings;
+  LPTHREAD_START_ROUTINE SendMessageProc;
+} NOTIFY_CONTEXT, *PNOTIFY_CONTEXT;
+
+#define QUERY_RESULT_ABORT    0
+#define QUERY_RESULT_CONTINUE 1
+#define QUERY_RESULT_TIMEOUT  2
+#define QUERY_RESULT_ERROR    3
+#define QUERY_RESULT_FORCE    4
+
+static void FASTCALL
+UpdateProgressBar(HWND ProgressBar, PNOTIFY_CONTEXT NotifyContext)
+{
+  DWORD Passed;
+
+  Passed = GetTickCount() - NotifyContext->StartTime;
+  Passed -= NotifyContext->ShutdownSettings->HungAppTimeout;
+  if (NotifyContext->ShutdownSettings->WaitToKillAppTimeout < Passed)
+    {
+      Passed = NotifyContext->ShutdownSettings->WaitToKillAppTimeout;
+    }
+  SendMessageW(ProgressBar, PBM_SETPOS, Passed / 2, 0);
+}
+
+static INT_PTR CALLBACK
+EndNowDlgProc(HWND Dlg, UINT Msg, WPARAM wParam, LPARAM lParam)
+{
+  INT_PTR Result;
+  PNOTIFY_CONTEXT NotifyContext;
+  HWND ProgressBar;
+  DWORD TitleLength;
+  int Len;
+  LPWSTR Title;
+
+  switch(Msg)
+    {
+      case WM_INITDIALOG:
+        NotifyContext = (PNOTIFY_CONTEXT) lParam;
+        NotifyContext->EndNowResult = QUERY_RESULT_ABORT;
+        SetWindowLongPtrW(Dlg, DWLP_USER, (LONG_PTR) lParam);
+        TitleLength = SendMessageW(NotifyContext->WndClient,
WM_GETTEXTLENGTH,
+                                   0, 0) +
+                      GetWindowTextLengthW(Dlg);
+        Title = HeapAlloc(Win32CsrApiHeap, 0, (TitleLength + 1) *
sizeof(WCHAR));
+        if (NULL != Title)
+          {
+            Len = GetWindowTextW(Dlg, Title, TitleLength + 1);
+            SendMessageW(NotifyContext->WndClient, WM_GETTEXT,
+                         TitleLength + 1 - Len, (LPARAM) (Title +
Len));
+            SetWindowTextW(Dlg, Title);
+            HeapFree(Win32CsrApiHeap, 0, Title);
+          }
+        ProgressBar = GetDlgItem(Dlg, IDC_PROGRESS);
+        SendMessageW(ProgressBar, PBM_SETRANGE32, 0,
+
NotifyContext->ShutdownSettings->WaitToKillAppTimeout / 2);
+        UpdateProgressBar(ProgressBar, NotifyContext);
+        SetTimer(Dlg, 0, 200, NULL);
+        Result = FALSE;
+        break;
+
+      case WM_TIMER:
+        NotifyContext = (PNOTIFY_CONTEXT) GetWindowLongPtrW(Dlg,
DWLP_USER);
+        ProgressBar = GetDlgItem(Dlg, IDC_PROGRESS);
+        UpdateProgressBar(ProgressBar, NotifyContext);
+        Result = TRUE;
+        break;
+
+      case WM_COMMAND:
+        if (BN_CLICKED == HIWORD(wParam) && IDC_END_NOW ==
LOWORD(wParam))
+          {
+            NotifyContext = (PNOTIFY_CONTEXT) GetWindowLongPtrW(Dlg,
DWLP_USER);
+            NotifyContext->EndNowResult = QUERY_RESULT_FORCE;
+            SendMessageW(Dlg, WM_CLOSE, 0, 0);
+            Result = TRUE;
+          }
+        else
+          {
+            Result = FALSE;
+          }
+        break;
+
+      case WM_CLOSE:
+        DestroyWindow(Dlg);
+        Result = TRUE;
+        break;
+
+      case WM_DESTROY:
+        NotifyContext = (PNOTIFY_CONTEXT) GetWindowLongPtrW(Dlg,
DWLP_USER);
+        NotifyContext->Dlg = NULL;
+        KillTimer(Dlg, 0);
+        PostQuitMessage(NotifyContext->EndNowResult);
+        Result = TRUE;
+        break;
+
+      default:
+        Result = FALSE;
+        break;
+    }
+
+  return Result;
+}
+
+typedef void (STDCALL *INITCOMMONCONTROLS_PROC)(void);
+
+static void FASTCALL
+CallInitCommonControls()
+{
+  static BOOL Initialized = FALSE;
+  HMODULE Lib;
+  INITCOMMONCONTROLS_PROC InitProc;
+
+  if (Initialized)
+    {
+      return;
+    }
+
+  Lib = LoadLibraryW(L"COMCTL32.DLL");
+  if (NULL == Lib)
+    {
+      return;
+    }
+  InitProc = (INITCOMMONCONTROLS_PROC) GetProcAddress(Lib,
"InitCommonControls");
+  if (NULL == InitProc)
+    {
+      return;
+    }
+
+  (*InitProc)();
+
+  Initialized = TRUE;
+}
+
+static DWORD WINAPI
+EndNowThreadProc(LPVOID Parameter)
+{
+  PNOTIFY_CONTEXT NotifyContext = (PNOTIFY_CONTEXT) Parameter;
+  MSG Msg;
+
+  SetThreadDesktop(NotifyContext->Desktop);
+  SwitchDesktop(NotifyContext->Desktop);
+  CallInitCommonControls();
+  NotifyContext->Dlg = CreateDialogParam(Win32CsrDllHandle,
+                                         MAKEINTRESOURCE(IDD_END_NOW),
NULL,
+                                         EndNowDlgProc, (LPARAM)
NotifyContext);
+  if (NULL == NotifyContext->Dlg)
+    {
+      return 0;
+    }
+  ShowWindow(NotifyContext->Dlg, SW_SHOWNORMAL);
+
+  while (GetMessageW(&Msg, NULL, 0, 0))
+    {
+      if (! IsDialogMessage(NotifyContext->Dlg, &Msg))
+        {
+          TranslateMessage(&Msg);
+          DispatchMessageW(&Msg);
+        }
+    }
+
+  return Msg.wParam;
+}
+
+typedef struct tagMESSAGE_CONTEXT
+{
+  HWND Wnd;
+  UINT Msg;
+  WPARAM wParam;
+  LPARAM lParam;
+  DWORD Timeout;
+} MESSAGE_CONTEXT, *PMESSAGE_CONTEXT;
+
+static DWORD WINAPI
+SendQueryEndSession(LPVOID Parameter)
+{
+  PMESSAGE_CONTEXT Context = (PMESSAGE_CONTEXT) Parameter;
+  LRESULT Result;
+
+  if (SendMessageTimeoutW(Context->Wnd, WM_QUERYENDSESSION,
Context->wParam,
+                          Context->lParam, SMTO_NORMAL,
Context->Timeout,
+                          &Result))
+    {
+      return Result ? QUERY_RESULT_CONTINUE : QUERY_RESULT_ABORT;
+    }
+
+  return 0 == GetLastError() ? QUERY_RESULT_TIMEOUT :
QUERY_RESULT_ERROR;
+}
+
+static DWORD WINAPI
+SendEndSession(LPVOID Parameter)
+{
+  PMESSAGE_CONTEXT Context = (PMESSAGE_CONTEXT) Parameter;
+  LRESULT Result;
+
+  if (Context->wParam)
+    {
+      if (SendMessageTimeoutW(Context->Wnd, WM_ENDSESSION,
Context->wParam,
+                              Context->lParam, SMTO_NORMAL,
Context->Timeout,
+                              &Result))
+        {
+          return QUERY_RESULT_CONTINUE;
+        }
+      return 0 == GetLastError() ? QUERY_RESULT_TIMEOUT :
QUERY_RESULT_ERROR;
+    }
+  else
+    {
+      SendMessage(Context->Wnd, WM_ENDSESSION, Context->wParam,
+                  Context->lParam);
+      return QUERY_RESULT_CONTINUE;
+    }
+}
+
+static BOOL CALLBACK
+NotifyTopLevelEnum(HWND Wnd, LPARAM lParam)
+{
+  PNOTIFY_CONTEXT NotifyContext = (PNOTIFY_CONTEXT) lParam;
+  MESSAGE_CONTEXT MessageContext;
+  DWORD Now, Passed;
+  DWORD Timeout, WaitStatus;
+  DWORD ProcessId;
+  HANDLE MessageThread;
+  HANDLE Threads[2];
+
+  if (0 == GetWindowThreadProcessId(Wnd, &ProcessId))
+    {
+      NotifyContext->QueryResult = QUERY_RESULT_ERROR;
+      return FALSE;
+    }
+
+  if (ProcessId == NotifyContext->ProcessId)
+    {
+      Now = GetTickCount();
+      if (0 == NotifyContext->StartTime)
+        {
+          NotifyContext->StartTime = Now;
+        }
+      /* Note: Passed is computed correctly even when GetTickCount()
wraps due
+         to unsigned arithmetic */
+      Passed = Now - NotifyContext->StartTime;
+      MessageContext.Wnd = Wnd;
+      MessageContext.Msg = NotifyContext->Msg;
+      MessageContext.wParam = NotifyContext->wParam;
+      MessageContext.lParam = NotifyContext->lParam;
+      MessageContext.Timeout =
NotifyContext->ShutdownSettings->HungAppTimeout;
+      if (! NotifyContext->ShutdownSettings->AutoEndTasks)
+        {
+          MessageContext.Timeout +=
NotifyContext->ShutdownSettings->WaitToKillAppTimeout;
+        }
+      if (Passed < MessageContext.Timeout)
+        {
+          MessageContext.Timeout -= Passed;
+          MessageThread = CreateThread(NULL, 0,
NotifyContext->SendMessageProc,
+                                       (LPVOID) &MessageContext, 0,
NULL);
+          if (NULL == MessageThread)
+            {
+              NotifyContext->QueryResult = QUERY_RESULT_ERROR;
+              return FALSE;
+            }
+          Timeout = NotifyContext->ShutdownSettings->HungAppTimeout;
+          if (Passed < Timeout)
+            {
+              Timeout -= Passed;
+              WaitStatus = WaitForSingleObjectEx(MessageThread,
Timeout, FALSE);
+            }
+          else
+            {
+              WaitStatus = WAIT_TIMEOUT;
+            }
+          if (WAIT_TIMEOUT == WaitStatus)
+            {
+              NotifyContext->WndClient = Wnd;
+              if (NULL == NotifyContext->UIThread &&
NotifyContext->ShowUI)
+                {
+                  NotifyContext->UIThread = CreateThread(NULL, 0,
+
EndNowThreadProc,
+                                                         (LPVOID)
NotifyContext,
+                                                         0, NULL);
+                }
+              Threads[0] = MessageThread;
+              Threads[1] = NotifyContext->UIThread;
+              WaitStatus = WaitForMultipleObjectsEx(NULL ==
NotifyContext->UIThread ?
+                                                    1 : 2,
+                                                    Threads, FALSE,
INFINITE,
+                                                    FALSE);
+              if (WAIT_OBJECT_0 == WaitStatus)
+                {
+                  if (! GetExitCodeThread(MessageThread,
&NotifyContext->QueryResult))
+                    {
+                      NotifyContext->QueryResult = QUERY_RESULT_ERROR;
+                    }
+                }
+              else if (WAIT_OBJECT_0 + 1 == WaitStatus)
+                {
+                  if (! GetExitCodeThread(NotifyContext->UIThread,
+                                          &NotifyContext->QueryResult))
+                    {
+                      NotifyContext->QueryResult = QUERY_RESULT_ERROR;
+                    }
+                }
+              else
+                {
+                  NotifyContext->QueryResult = QUERY_RESULT_ERROR;
+                }
+              if (WAIT_OBJECT_0 != WaitStatus)
+                {
+                  TerminateThread(MessageThread, QUERY_RESULT_TIMEOUT);
+                }
+            }
+          else if (WAIT_OBJECT_0 == WaitStatus)
+            {
+              if (! GetExitCodeThread(MessageThread,
+                                      &NotifyContext->QueryResult))
+                {
+                  NotifyContext->QueryResult = QUERY_RESULT_ERROR;
+                }
+            }
+          else
+            {
+              NotifyContext->QueryResult = QUERY_RESULT_ERROR;
+            }
+          CloseHandle(MessageThread);
+        }
+      else
+        {
+          NotifyContext->QueryResult = QUERY_RESULT_TIMEOUT;
+        }
+    }
+
+  return QUERY_RESULT_CONTINUE == NotifyContext->QueryResult;
+}
+
+static BOOL CALLBACK
+NotifyDesktopEnum(LPWSTR DesktopName, LPARAM lParam)
+{
+  PNOTIFY_CONTEXT Context = (PNOTIFY_CONTEXT) lParam;
+
+  Context->Desktop = OpenDesktopW(DesktopName, 0, FALSE,
+                                  DESKTOP_ENUMERATE |
DESKTOP_SWITCHDESKTOP);
+  if (NULL == Context->Desktop)
+    {
+      DPRINT1("OpenDesktop failed with error %d\n", GetLastError());
+      Context->QueryResult = QUERY_RESULT_ERROR;
+      return FALSE;
+    }
+
+  EnumDesktopWindows(Context->Desktop, NotifyTopLevelEnum, lParam);
+
+  CloseDesktop(Context->Desktop);
+
+  return QUERY_RESULT_CONTINUE == Context->QueryResult;
+}
+
+static BOOL FASTCALL
+NotifyTopLevelWindows(PNOTIFY_CONTEXT Context)
+{
+  HWINSTA WindowStation;
+
+  WindowStation = GetProcessWindowStation();
+  if (NULL == WindowStation)
+    {
+      DPRINT1("GetProcessWindowStation failed with error %d\n",
GetLastError());
+      return TRUE;
+    }
+
+  EnumDesktopsW(WindowStation, NotifyDesktopEnum, (LPARAM) Context);
+
+  return TRUE;
+}
+
+static BOOL FASTCALL
+NotifyAndTerminateProcess(PCSRSS_PROCESS_DATA ProcessData,
+                          PSHUTDOWN_SETTINGS ShutdownSettings,
+                          UINT Flags)
+{
+  NOTIFY_CONTEXT Context;
+  HANDLE Process;
+  DWORD QueryResult = QUERY_RESULT_CONTINUE;
+
+  Context.QueryResult = QUERY_RESULT_CONTINUE;
+
+  if (0 == (Flags & EWX_FORCE))
+    {
+      if (NULL != ProcessData->Console)
+        {
+          ConioConsoleCtrlEventTimeout(CTRL_LOGOFF_EVENT, ProcessData,
+
ShutdownSettings->WaitToKillAppTimeout);
+        }
+      else
+        {
+          Context.ProcessId = (DWORD) ProcessData->ProcessId;
+          Context.wParam = 0;
+          Context.lParam = (0 != (Flags & EWX_INTERNAL_FLAG_LOGOFF) ?
+                            ENDSESSION_LOGOFF : 0);
+          Context.StartTime = 0;
+          Context.UIThread = NULL;
+          Context.ShowUI = DtbgIsDesktopVisible();
+          Context.Dlg = NULL;
+          Context.ShutdownSettings = ShutdownSettings;
+          Context.SendMessageProc = SendQueryEndSession;
+
+          NotifyTopLevelWindows(&Context);
+
+          Context.wParam = (QUERY_RESULT_ABORT != Context.QueryResult);
+          Context.lParam = (0 != (Flags & EWX_INTERNAL_FLAG_LOGOFF) ?
+                            ENDSESSION_LOGOFF : 0);
+          Context.SendMessageProc = SendEndSession;
+          Context.ShowUI = DtbgIsDesktopVisible() &&
+                          (QUERY_RESULT_ABORT != Context.QueryResult);
+          QueryResult = Context.QueryResult;
+          Context.QueryResult = QUERY_RESULT_CONTINUE;
+
+          NotifyTopLevelWindows(&Context);
+
+          if (NULL != Context.UIThread)
+            {
+              if (NULL != Context.Dlg)
+                {
+                  SendMessageW(Context.Dlg, WM_CLOSE, 0, 0);
+                }
+              else
+                {
+                  TerminateThread(Context.UIThread,
QUERY_RESULT_ERROR);
+                }
+              CloseHandle(Context.UIThread);
+            }
+        }
+
+      if (QUERY_RESULT_ABORT == QueryResult)
+        {
+          return FALSE;
+        }
+    }
+
+  /* Terminate this process */
+  Process = OpenProcess(PROCESS_TERMINATE, FALSE,
+                        (DWORD) ProcessData->ProcessId);
+  if (NULL == Process)
+    {
+      DPRINT1("Unable to open process %d, error %d\n",
ProcessData->ProcessId,
+              GetLastError());
+      return TRUE;
+    }
+  TerminateProcess(Process, 0);
+  CloseHandle(Process);
+
+  return TRUE;
+}
+
+typedef struct tagPROCESS_ENUM_CONTEXT
+{
+  UINT ProcessCount;
+  PCSRSS_PROCESS_DATA *ProcessData;
+  TOKEN_ORIGIN TokenOrigin;
+  DWORD ShellProcess;
+  DWORD CsrssProcess;
+} PROCESS_ENUM_CONTEXT, *PPROCESS_ENUM_CONTEXT;
+
+static NTSTATUS STDCALL
+ExitReactosProcessEnum(PCSRSS_PROCESS_DATA ProcessData, PVOID Data)
+{
+  HANDLE Process;
+  HANDLE Token;
+  TOKEN_ORIGIN Origin;
+  DWORD ReturnLength;
+  PPROCESS_ENUM_CONTEXT Context = (PPROCESS_ENUM_CONTEXT) Data;
+  PCSRSS_PROCESS_DATA *NewData;
+
+  /* Do not kill winlogon or csrss */
+  if ((DWORD) ProcessData->ProcessId == Context->CsrssProcess ||
+      ProcessData->ProcessId == LogonProcess)
+    {
+      return STATUS_SUCCESS;
+    }
+
+  /* Get the login session of this process */
+  Process = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE,
+                        (DWORD) ProcessData->ProcessId);
+  if (NULL == Process)
+    {
+      DPRINT1("Unable to open process %d, error %d\n",
ProcessData->ProcessId,
+              GetLastError());
+      return STATUS_UNSUCCESSFUL;
+    }
+
+  if (! OpenProcessToken(Process, TOKEN_QUERY, &Token))
+    {
+      DPRINT1("Unable to open token for process %d, error %d\n",
+              ProcessData->ProcessId, GetLastError());
+      CloseHandle(Process);
+      return STATUS_UNSUCCESSFUL;
+    }
+  CloseHandle(Process);
+
+  if (! GetTokenInformation(Token, TokenOrigin, &Origin,
+                            sizeof(TOKEN_ORIGIN), &ReturnLength))
+    {
+      DPRINT1("GetTokenInformation failed for process %d with error
%d\n",
+              ProcessData->ProcessId, GetLastError());
+      CloseHandle(Token);
+      return STATUS_UNSUCCESSFUL;
+    }
+  CloseHandle(Token);
+
+  /* This process will be killed if it's in the correct logon session
*/
+  if (RtlEqualLuid(&(Context->TokenOrigin.OriginatingLogonSession),
+                   &(Origin.OriginatingLogonSession)))
+    {
+      /* Kill the shell process last */
+      if ((DWORD) ProcessData->ProcessId == Context->ShellProcess)
+        {
+          ProcessData->ShutdownLevel = 0;
+        }
+      NewData = HeapAlloc(Win32CsrApiHeap, 0, (Context->ProcessCount +
1)
+                                              *
sizeof(PCSRSS_PROCESS_DATA));
+      if (NULL == NewData)
+        {
+          return STATUS_NO_MEMORY;
+        }
+      if (0 != Context->ProcessCount)
+        {
+          memcpy(NewData, Context->ProcessData,
+                 Context->ProcessCount * sizeof(PCSRSS_PROCESS_DATA));
+          HeapFree(Win32CsrApiHeap, 0, Context->ProcessData);
+        }
+      Context->ProcessData = NewData;
+      Context->ProcessData[Context->ProcessCount] = ProcessData;
+      Context->ProcessCount++;
+    }
+
+  return STATUS_SUCCESS;
+}
+
+static int
+ProcessDataCompare(const void *Elem1, const void *Elem2)
+{
+  const PCSRSS_PROCESS_DATA *ProcessData1 = (PCSRSS_PROCESS_DATA *)
Elem1;
+  const PCSRSS_PROCESS_DATA *ProcessData2 = (PCSRSS_PROCESS_DATA *)
Elem2;
+
+  if ((*ProcessData1)->ShutdownLevel < (*ProcessData2)->ShutdownLevel)
+    {
+      return +1;
+    }
+  else if ((*ProcessData2)->ShutdownLevel <
(*ProcessData1)->ShutdownLevel)
+    {
+      return -1;
+    }
+  else if ((*ProcessData1)->ProcessId < (*ProcessData2)->ProcessId)
+    {
+      return +1;
+    }
+  else if ((*ProcessData2)->ProcessId < (*ProcessData1)->ProcessId)
+    {
+      return -1;
+    }
+
+  return 0;
+}
+
+static DWORD FASTCALL
+GetShutdownSetting(HKEY DesktopKey, LPCWSTR ValueName, DWORD
DefaultValue)
+{
+  BYTE ValueBuffer[16];
+  LONG ErrCode;
+  DWORD Type;
+  DWORD ValueSize;
+  UNICODE_STRING StringValue;
+  ULONG Value;
+
+  ValueSize = sizeof(ValueBuffer);
+  ErrCode = RegQueryValueExW(DesktopKey, ValueName, NULL, &Type,
ValueBuffer,
+                             &ValueSize);
+  if (ERROR_SUCCESS != ErrCode)
+    {
+      DPRINT("GetShutdownSetting for %S failed with error code %ld\n",
+             ValueName, ErrCode);
+      return DefaultValue;
+    }
+
+  if (REG_SZ == Type)
+    {
+      RtlInitUnicodeString(&StringValue, (LPCWSTR) ValueBuffer);
+      if (! NT_SUCCESS(RtlUnicodeStringToInteger(&StringValue, 10,
&Value)))
+        {
+          DPRINT1("Unable to convert value %S for setting %S\n",
+                  StringValue.Buffer, ValueName);
+          return DefaultValue;
+        }
+      return (DWORD) Value;
+    }
+  else if (REG_DWORD == Type)
+    {
+      return *((DWORD *) ValueBuffer);
+    }
+
+  DPRINT1("Unexpected registry type %d for setting %S\n", Type,
ValueName);
+  return DefaultValue;
+}
+
+static void FASTCALL
+LoadShutdownSettings(PSID Sid, PSHUTDOWN_SETTINGS ShutdownSettings)
+{
+  static WCHAR Subkey[] = L"\\Control Panel\\Desktop";
+  LPWSTR StringSid;
+  WCHAR InitialKeyName[128];
+  LPWSTR KeyName;
+  HKEY DesktopKey;
+  LONG ErrCode;
+
+  ShutdownSettings->AutoEndTasks = DEFAULT_AUTO_END_TASKS;
+  ShutdownSettings->HungAppTimeout = DEFAULT_HUNG_APP_TIMEOUT;
+  ShutdownSettings->WaitToKillAppTimeout =
DEFAULT_WAIT_TO_KILL_APP_TIMEOUT;
+
+  if (! ConvertSidToStringSidW(Sid, &StringSid))
+    {
+      DPRINT1("ConvertSidToStringSid failed with error %d, using
default shutdown settings\n",
+              GetLastError());
+      return;
+    }
+  if (wcslen(StringSid) + wcslen(Subkey) + 1 <=
+      sizeof(InitialKeyName) / sizeof(WCHAR))
+    {
+      KeyName = InitialKeyName;
+    }
+  else
+    {
+      KeyName = HeapAlloc(Win32CsrApiHeap, 0,
+                          (wcslen(StringSid) + wcslen(Subkey) + 1) *
+                          sizeof(WCHAR));
+      if (NULL == KeyName)
+        {
+          DPRINT1("Failed to allocate memory, using default shutdown
settings\n");
+          LocalFree(StringSid);
+          return;
+        }
+    }
+  wcscat(wcscpy(KeyName, StringSid), Subkey);
+  LocalFree(StringSid);
+
+  ErrCode = RegOpenKeyExW(HKEY_USERS, KeyName, 0, KEY_QUERY_VALUE,
&DesktopKey);
+  if (KeyName != InitialKeyName)
+    {
+      HeapFree(Win32CsrApiHeap, 0, KeyName);
+    }
+  if (ERROR_SUCCESS != ErrCode)
+    {
+      DPRINT1("RegOpenKeyEx failed with error %ld, using default
shutdown settings\n", ErrCode);
+      return;
+    }
+
+  ShutdownSettings->AutoEndTasks = (BOOL)
GetShutdownSetting(DesktopKey, L"AutoEndTasks",
+                                                             (DWORD)
DEFAULT_AUTO_END_TASKS);
+  ShutdownSettings->HungAppTimeout = GetShutdownSetting(DesktopKey,
+
L"HungAppTimeout",
+
DEFAULT_HUNG_APP_TIMEOUT);
+  ShutdownSettings->WaitToKillAppTimeout =
GetShutdownSetting(DesktopKey,
+
L"WaitToKillAppTimeout",
+
DEFAULT_WAIT_TO_KILL_APP_TIMEOUT);
+
+  RegCloseKey(DesktopKey);
+}
+
+static NTSTATUS FASTCALL
+InternalExitReactos(DWORD ProcessId, DWORD ThreadId, UINT Flags)
+{
+  HANDLE CallerThread;
+  HANDLE CallerToken;
+  NTSTATUS Status;
+  PROCESS_ENUM_CONTEXT Context;
+  DWORD ReturnLength;
+  HWND ShellWnd;
+  UINT ProcessIndex;
+  char FixedUserInfo[64];
+  TOKEN_USER *UserInfo;
+  SHUTDOWN_SETTINGS ShutdownSettings;
+
+  if (ProcessId != (DWORD) LogonProcess)
+    {
+      DPRINT1("Internal ExitWindowsEx call not from winlogon\n");
+      return STATUS_ACCESS_DENIED;
+    }
+
+  CallerThread = OpenThread(THREAD_QUERY_INFORMATION, FALSE, ThreadId);
+  if (NULL == CallerThread)
+    {
+      DPRINT1("OpenThread failed with error %d\n", GetLastError());
+      return STATUS_UNSUCCESSFUL;
+    }
+  if (! OpenThreadToken(CallerThread, TOKEN_QUERY, FALSE,
&CallerToken))
+    {
+      DPRINT1("OpenThreadToken failed with error %d\n",
GetLastError());
+      CloseHandle(CallerThread);
+      return STATUS_UNSUCCESSFUL;
+    }
+  CloseHandle(CallerThread);
+
+  Context.ProcessCount = 0;
+  Context.ProcessData = NULL;
+  if (! GetTokenInformation(CallerToken, TokenOrigin,
&Context.TokenOrigin,
+                            sizeof(TOKEN_ORIGIN), &ReturnLength))
+    {
+      DPRINT1("GetTokenInformation failed with error %d\n",
GetLastError());
+      CloseHandle(CallerToken);
+      return STATUS_UNSUCCESSFUL;
+    }
+  if (! GetTokenInformation(CallerToken, TokenUser, FixedUserInfo,
+                            sizeof(FixedUserInfo), &ReturnLength))
+    {
+      if (sizeof(FixedUserInfo) < ReturnLength)
+        {
+          UserInfo = HeapAlloc(Win32CsrApiHeap, 0, ReturnLength);
+          if (NULL == UserInfo)
+            {
+              DPRINT1("Unable to allocate %u bytes for user info\n",
+                      (unsigned) ReturnLength);
+              CloseHandle(CallerToken);
+              return STATUS_NO_MEMORY;
+            }
+          if (! GetTokenInformation(CallerToken, TokenUser, UserInfo,
+                                    ReturnLength, &ReturnLength))
+            {
+              DPRINT1("GetTokenInformation failed with error %d\n",
+                      GetLastError());
+              HeapFree(Win32CsrApiHeap, 0, UserInfo);
+              CloseHandle(CallerToken);
+              return STATUS_UNSUCCESSFUL;
+            }
+        }
+      else
+        {
+          DPRINT1("GetTokenInformation failed with error %d\n",
GetLastError());
+          CloseHandle(CallerToken);
+          return STATUS_UNSUCCESSFUL;
+        }
+    }
+  else
+    {
+      UserInfo = (TOKEN_USER *) FixedUserInfo;
+    }
+  CloseHandle(CallerToken);
+  LoadShutdownSettings(UserInfo->User.Sid, &ShutdownSettings);
+  if (UserInfo != (TOKEN_USER *) FixedUserInfo)
+    {
+      HeapFree(Win32CsrApiHeap, 0, UserInfo);
+    }
+  Context.CsrssProcess = GetCurrentProcessId();
+  ShellWnd = GetShellWindow();
+  if (NULL == ShellWnd)
+    {
+      DPRINT("No shell present\n");
+      Context.ShellProcess = 0;
+    }
+  else if (0 == GetWindowThreadProcessId(ShellWnd,
&Context.ShellProcess))
+    {
+      DPRINT1("Can't get process id of shell window\n");
+      Context.ShellProcess = 0;
+    }
+
+  Status = Win32CsrEnumProcesses(ExitReactosProcessEnum, &Context);
+  if (! NT_SUCCESS(Status))
+    {
+      DPRINT1("Failed to enumerate registered processes, status
0x%x\n",
+              Status);
+      if (NULL != Context.ProcessData)
+        {
+          HeapFree(Win32CsrApiHeap, 0, Context.ProcessData);
+        }
+      return Status;
+    }
+
+  qsort(Context.ProcessData, Context.ProcessCount,
sizeof(PCSRSS_PROCESS_DATA),
+        ProcessDataCompare);
+
+  /* Terminate processes, stop if we find one kicking and screaming it
doesn't
+     want to die */
+  Status = STATUS_SUCCESS;
+  for (ProcessIndex = 0;
+       ProcessIndex < Context.ProcessCount && NT_SUCCESS(Status);
+       ProcessIndex++)
+    {
+      if (!
NotifyAndTerminateProcess(Context.ProcessData[ProcessIndex],
+          &ShutdownSettings, Flags))
+        {
+          Status = STATUS_REQUEST_ABORTED;
+        }
+    }
+
+  /* Cleanup */
+  if (NULL != Context.ProcessData)
+    {
+      HeapFree(Win32CsrApiHeap, 0, Context.ProcessData);
+    }
+
+  return Status;
+}
+
+static NTSTATUS FASTCALL
+UserExitReactos(DWORD UserProcessId, UINT Flags)
+{
+  NTSTATUS Status;
+
   if (NULL == LogonNotifyWindow)
     {
       DPRINT1("No LogonNotifyWindow registered\n");
-      Request->Status = STATUS_NOT_FOUND;
-      return Request->Status;
+      return STATUS_NOT_FOUND;
     }
 
   /* FIXME Inside 2000 says we should impersonate the caller here */
-  Request->Status = SendMessageW(LogonNotifyWindow,
PM_WINLOGON_EXITWINDOWS,
-                               (WPARAM)
Request->Header.ClientId.UniqueProcess,
-                               (LPARAM)
Request->Data.ExitReactosRequest.Flags);
-  /* If the message isn't handled, the return value is 0, so 0 doesn't
indicate success.
-     Success is indicated by a 1 return value, if anything besides 0 or
1 it's a
-     NTSTATUS value */
-  if (1 == Request->Status)
+  Status = SendMessageW(LogonNotifyWindow, PM_WINLOGON_EXITWINDOWS,
+                        (WPARAM) UserProcessId,
+                        (LPARAM) Flags);
+  /* If the message isn't handled, the return value is 0, so 0 doesn't
indicate
+     success. Success is indicated by a 1 return value, if anything
besides 0
+     or 1 it's a NTSTATUS value */
+  if (1 == Status)
     {
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