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| Paco Tudel |
| GOOD ANSWER |
English -------------------------------------------------------------------
Hi Everybody!
I'm trying to shutdown my Win XP with this code... but... don't work... :-(
Can someone tell me how to shutdown my XP whith C# or tell me why this code
is not running?
Thanks in advance
Español--------------------------------------------------------------------
Hola a todos!
Me dirijo por primera vez al grupo para hacer una consulta sobre el apagado
de una maquina XP, llevo unos dias intentando hacer un programa para apagar
un pc y he llegado al siguiente codigo, que falla en el momento en que
comprueba la identidad del usuario que intenta apagar la maquina, puede
alguien decirme donde falla este codigo? o mandar al grupo el codigo
utilizado para apagar un win XP?
Muchas gracias
--------------------------------------------------------------------
Francisco Tudel
Systems Engineer
Ingeniero de sistemas
----------- Code
public const int SE_PRIVILEGE_ENABLED = 0x00000002;
public const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
public const int ANYSIZE_ARRAY = 1;
public const int EWX_LOGOFF = 0;
public const int EWX_SHUTDOWN = 1;
public const int EWX_REBOOT = 2;
public const int EWX_FORCE = 4;
public const int EWX_POWEROFF = 8;
public const int EWX_FORCEIFHUNG = 16;
[DllImport("user32.dll")]
public static extern System.Boolean ExitWindowsEx(
int uFlags,
int dwReserved);
[StructLayout(LayoutKind.Sequential)]
public struct LUID{
public int LowPart;
public int HighPart;
}
[StructLayout(LayoutKind.Sequential)]
public struct LUID_AND_ATTRIBUTES{
public LUID Luid;
public int Attributes;
}
[StructLayout(LayoutKind.Sequential)]
public struct TOKEN_PRIVILEGES{
public int PrivilegeCount;
[MarshalAs(UnmanagedType.ByValArray,SizeConst=ANYSIZE_ARRAY)]
public LUID_AND_ATTRIBUTES[] Privileges;
}
[DllImport("advapi32.dll", CharSet=CharSet.Auto)]
public static extern System.Boolean OpenProcessToken(
int ProcessHandle,
int DesiredAccess,
ref int TokenHandle);
[DllImport("kernel32.dll", CharSet=CharSet.Auto)]
public static extern int GetCurrentProcess();
[DllImport("advapi32.dll", CharSet=CharSet.Auto)]
public static extern System.Boolean LookupPrivilegeValue(
string lpSystemName,
string lpName,
[MarshalAs(UnmanagedType.Struct)] ref LUID lpLuid);
[DllImport("advapi32.dll", CharSet=CharSet.Auto)]
public static extern System.Boolean AdjustTokenPrivileges(
int TokenHandle,
int DisableAllPrivileges,
[MarshalAs(UnmanagedType.Struct)] ref TOKEN_PRIVILEGES NewState,
int BufferLength,
[MarshalAs(UnmanagedType.Struct)] ref TOKEN_PRIVILEGES PreviousState,
int ReturnLength);
private void ShutDown(){
int ltkpOld = 0;
int hToken =0;
TOKEN_PRIVILEGES tkp = new TOKEN_PRIVILEGES();
tkp.Privileges = new LUID_AND_ATTRIBUTES[ANYSIZE_ARRAY];
TOKEN_PRIVILEGES tkpOld = new TOKEN_PRIVILEGES();
tkpOld.Privileges = new LUID_AND_ATTRIBUTES[ANYSIZE_ARRAY];
LUID tLUID = new LUID();
if(LookupPrivilegeValue(null , SE_SHUTDOWN_NAME, ref tLUID)){
int hProceso = GetCurrentProcess();
if(hProceso != 0){
if (OpenProcessToken(hProceso, TOKEN_ADJUST_PRIVILEGES |
TOKEN_QUERY, ref hToken)) {
tkp.PrivilegeCount = 1;
tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
tkp.Privileges[0].Luid.HighPart = tLUID.HighPart;
tkp.Privileges[0].Luid.LowPart = tLUID.LowPart;
int ltkp = Marshal.SizeOf(typeof(TOKEN_PRIVILEGES));
if(AdjustTokenPrivileges(hToken, 0, ref tkp, ltkp,
ref tkpOld, ref ltkpOld))
ExitWindowsEx(EWX_SHUTDOWN | EWX_FORCE, 0);
}
}
}
}
----- Fin de codigo
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| NETMaster (VIP) |
| GOOD ANSWER |
Using PInvoke to AdjustTokenPrivileges and ExitWindowsEx:
// ==============================================================================
using System.Runtime.InteropServices;
[StructLayout(LayoutKind.Sequential, Pack=1)]
internal struct TokPriv1Luid
{
public int Count;
public long Luid;
public int Attr;
}
[DllImport("kernel32.dll", ExactSpelling=true) ]
internal static extern IntPtr GetCurrentProcess();
[DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true) ]
internal static extern bool OpenProcessToken( IntPtr h, int acc, ref IntPtr phtok );
[DllImport("advapi32.dll", SetLastError=true) ]
internal static extern bool LookupPrivilegeValue( string host, string name, ref long pluid );
[DllImport("advapi32.dll", ExactSpelling=true, SetLastError=true) ]
internal static extern bool AdjustTokenPrivileges( IntPtr htok, bool disall,
ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen );
[DllImport("user32.dll", ExactSpelling=true, SetLastError=true) ]
internal static extern bool ExitWindowsEx( int flg, int rea );
internal const int SE_PRIVILEGE_ENABLED = 0x00000002;
internal const int TOKEN_QUERY = 0x00000008;
internal const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;
internal const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
internal const int EWX_LOGOFF = 0x00000000;
internal const int EWX_SHUTDOWN = 0x00000001;
internal const int EWX_REBOOT = 0x00000002;
internal const int EWX_FORCE = 0x00000004;
internal const int EWX_POWEROFF = 0x00000008;
internal const int EWX_FORCEIFHUNG = 0x00000010;
private void DoExitWin( int flg )
{
bool ok;
TokPriv1Luid tp;
IntPtr hproc = GetCurrentProcess();
IntPtr htok = IntPtr.Zero;
ok = OpenProcessToken( hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok );
tp.Count = 1;
tp.Luid = 0;
tp.Attr = SE_PRIVILEGE_ENABLED;
ok = LookupPrivilegeValue( null, SE_SHUTDOWN_NAME, ref tp.Luid );
ok = AdjustTokenPrivileges( htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero );
ok = ExitWindowsEx( flg, 0 );
}
// usage:
DoExitWin( EWX_POWEROFF );
// ==============================================================================
WMI method provided by Willy Denoyette (Click here to reveal e-mail address), Thanks!
// =========================================================
using System.Management;
using System.Runtime.InteropServices;
ManagementPath path = new ManagementPath( );
path.Server = "yourpcname";
path.NamespacePath = @"root\CIMV2";
// See Boot.ini for OS identification, System dir and HD system partition.
path.RelativePath = @"Win32_OperatingSystem.Name=""Microsoft Windows 2000
Professional|C:\\WINNT|\\Device\\Harddisk0\\Partition1""";
ManagementObject o = new ManagementObject(path);
ManagementBaseObject inParams = null;
bool EnablePrivileges = o.Scope.Options.EnablePrivileges;
o.Scope.Options.EnablePrivileges = true;
ManagementBaseObject outParams = o.InvokeMethod("Shutdown", inParams, null);
o.Scope.Options.EnablePrivileges = EnablePrivileges;
// =========================================================
"Paco Tudel" <Click here to reveal e-mail address> wrote in message news:uwnH0jHsBHA.2660@tkmsftngp05...
[Original message clipped]
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