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...shutdown / reboot / logoff Windows 9x/NT/Me/2000/XP?
Autor: NeuralAbyss Software
Homepage: http://www.neuralabyss.com
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Tip Rating (47):  
     


{1.}

function MyExitWindows(RebootParam: Longword): Boolean;
var
  
TTokenHd: THandle;
  TTokenPvg: TTokenPrivileges;
  cbtpPrevious: DWORD;
  rTTokenPvg: TTokenPrivileges;
  pcbtpPreviousRequired: DWORD;
  tpResult: Boolean;
const
  
SE_SHUTDOWN_NAME = 'SeShutdownPrivilege';
begin
  if 
Win32Platform = VER_PLATFORM_WIN32_NT then
  begin
    
tpResult := OpenProcessToken(GetCurrentProcess(),
      TOKEN_ADJUST_PRIVILEGES or TOKEN_QUERY,
      TTokenHd);
    if tpResult then
    begin
      
tpResult := LookupPrivilegeValue(nil,
                                       SE_SHUTDOWN_NAME,
                                       TTokenPvg.Privileges[0].Luid);
      TTokenPvg.PrivilegeCount := 1;
      TTokenPvg.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED;
      cbtpPrevious := SizeOf(rTTokenPvg);
      pcbtpPreviousRequired := 0;
      if tpResult then
        
Windows.AdjustTokenPrivileges(TTokenHd,
                                      False,
                                      TTokenPvg,
                                      cbtpPrevious,
                                      rTTokenPvg,
                                      pcbtpPreviousRequired);
    end;
  end;
  Result := ExitWindowsEx(RebootParam, 0);
end;

// Example to shutdown Windows:

procedure TForm1.Button1Click(Sender: TObject);
begin
  
MyExitWindows(EWX_POWEROFF or EWX_FORCE);
end;

// Example to reboot Windows:

procedure TForm1.Button1Click(Sender: TObject);
begin
  
MyExitWindows(EWX_REBOOT or EWX_FORCE);
end;


// Parameters for MyExitWindows()


{************************************************************************}

{2. Console Shutdown Demo}

program Shutdown;
{$APPTYPE CONSOLE}

uses
  
SysUtils,
  Windows;

// Shutdown Program
// (c) 2000 NeuralAbyss Software
// www.neuralabyss.com

var
  
logoff: Boolean = False;
  reboot: Boolean = False;
  warn: Boolean = False;
  downQuick: Boolean = False;
  cancelShutdown: Boolean = False;
  powerOff: Boolean = False;
  timeDelay: Integer = 0;

function HasParam(Opt: Char): Boolean;
var
  
x: Integer;
begin
  
Result := False;
  for x := 1 to ParamCount do
    if 
(ParamStr(x) = '-' + opt) or (ParamStr(x) = '/' + opt) then Result := True;
end;

function GetErrorstring: string;
var
  
lz: Cardinal;
  err: array[0..512] of Char;
begin
  
lz := GetLastError;
  FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, nil, lz, 0, @err, 512, nil);
  Result := string(err);
end;

procedure DoShutdown;
var
  
rl, flgs: Cardinal;
  hToken: Cardinal;
  tkp: TOKEN_PRIVILEGES;
begin
  
flgs := 0;
  if downQuick then flgs := flgs or EWX_FORCE;
  if not reboot then flgs := flgs or EWX_SHUTDOWN;
  if reboot then flgs := flgs or EWX_REBOOT;
  if poweroff and (not reboot) then flgs := flgs or EWX_POWEROFF;
  if logoff then flgs := (flgs and (not (EWX_REBOOT or EWX_SHUTDOWN or EWX_POWEROFF))) or
      
EWX_LOGOFF;
  if Win32Platform = VER_PLATFORM_WIN32_NT then
  begin
    if not 
OpenProcessToken(GetCurrentProcess, TOKEN_ADJUST_PRIVILEGES or TOKEN_QUERY,
      hToken) then
      
Writeln('Cannot open process token. [' + GetErrorstring + ']')
    else
    begin
      if 
LookupPrivilegeValue(nil, 'SeShutdownPrivilege', tkp.Privileges[0].Luid) then
      begin
        
tkp.Privileges[0].Attributes := SE_PRIVILEGE_ENABLED;
        tkp.PrivilegeCount           := 1;
        AdjustTokenPrivileges(hToken, False, tkp, 0, nil, rl);
        if GetLastError <> ERROR_SUCCESS then
          
Writeln('Error adjusting process privileges.');
      end
      else
        
Writeln('Cannot find privilege value. [' + GetErrorstring + ']');
    end;
    {   if CancelShutdown then
          if AbortSystemShutdown(nil) = False then
            Writeln(\'Cannot abort. [\' + GetErrorstring + \']\')
          else
           Writeln(\'Cancelled.\')
       else
       begin
         if InitiateSystemShutdown(nil, nil, timeDelay, downQuick, Reboot) = False then
            Writeln(\'Cannot go down. [\' + GetErrorstring + \']\')
         else
            Writeln(\'Shutting down!\');
       end;
    }
  
end;
  //     else begin
  
ExitWindowsEx(flgs, 0);
  //     end;
end;

begin
  
Writeln('Shutdown v0.3 for Win32 (similar to the Linux version)');
  Writeln('(c) 2000 NeuralAbyss Software. All Rights Reserved.');
  if HasParam('?') or (ParamCount = 0) then
  begin
    
Writeln('Usage:    shutdown [-akrhfnc] [-t secs]');
    Writeln('                  -k:      don''t really shutdown, only warn.');
    Writeln('                  -r:      reboot after shutdown.');
    Writeln('                  -h:      halt after shutdown.');
    Writeln('                  -p:      power off after shutdown');
    Writeln('                  -l:      log off only');
    Writeln('                  -n:      kill apps that don''t want to die.');
    Writeln('                  -c:      cancel a running shutdown.');
  end
  else
  begin
    if 
HasParam('k') then warn := True;
    if HasParam('r') then reboot := True;
    if HasParam('h') and reboot then
    begin
      
Writeln('Error: Cannot specify -r and -h parameters together!');
      Exit;
    end;
    if HasParam('h') then reboot := False;
    if HasParam('n') then downQuick := True;
    if HasParam('c') then cancelShutdown := True;
    if HasParam('p') then powerOff := True;
    if HasParam('l') then logoff := True;
    DoShutdown;
  end;
end.




  
// Parameters for MyExitWindows()


EWX_LOGOFF

Shuts down all processes running in the security context of the process that called the
ExitWindowsEx function. Then it logs the user off.

Alle Prozesse des Benutzers werden beendet, danach wird der Benutzer abgemeldet.

EWX_POWEROFF

Shuts down the system and turns off the power.
The system must support the power-off feature.
Windows NT/2000/XP:
The calling process must have the SE_SHUTDOWN_NAME privilege.

Fährt Windows herunter und setzt den Computer in den StandBy-Modus,
sofern von der Hardware unterstützt.

EWX_REBOOT

Shuts down the system and then restarts the system.
Windows NT/2000/XP: The calling process must have the SE_SHUTDOWN_NAME privilege.

Fährt Windows herunter und startet es neu.

EWX_SHUTDOWN

Shuts down the system to a point at which it is safe to turn off the power.
All file buffers have been flushed to disk, and all running processes have stopped.
If the system supports the power-off feature, the power is also turned off.
Windows NT/2000/XP: The calling process must have the SE_SHUTDOWN_NAME privilege.

Fährt Windows herunter.

 
EWX_FORCE

Forces processes to terminate. When this flag is set,
the system does not send the WM_QUERYENDSESSION and WM_ENDSESSION messages.
This can cause the applications to lose data.
Therefore, you should only use this flag in an emergency.

Die aktiven Prozesse werden zwangsweise und ohne Rückfrage beendet.

EWX_FORCEIFHUNG

Windows 2000/XP: Forces processes to terminate if they do not respond to the
WM_QUERYENDSESSION or WM_ENDSESSION message. This flag is ignored if EWX_FORCE is used.

Windows 2000/XP: Die aktiven Prozesse werden aufgefordert, sich selbst zu beenden und
müssen dies bestätigen. Reagieren sie nicht, werden sie zwangsweise beendet.



 

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