Files
2025-07-20 15:12:33 +10:00

99 lines
3.6 KiB
C#

using System;
using System.Runtime.InteropServices;
namespace Disco.ClientBootstrapper.Interop
{
public static class ShutdownInterop
{
public static void Shutdown()
{
// 8 = Power Off
Shutdown(EWX_POWEROFF);
}
public static void Reboot()
{
// 2 = Reboot
Shutdown(EWX_REBOOT);
}
private static void Shutdown(int flag)
{
// Removed 2012-11-23 G# - Migrate to Win32 PInvoke Shutdown for better Privilege Handling
//ManagementBaseObject mboShutdown = null;
//ManagementClass mcWin32 = new ManagementClass("Win32_OperatingSystem");
//mcWin32.Get();
//// You can't shutdown without security privileges
//mcWin32.Scope.Options.EnablePrivileges = true;
//ManagementBaseObject mboShutdownParams =
// mcWin32.GetMethodParameters("Win32Shutdown");
//// Flag 1 means we want to shut down the system. Use "2" to reboot.
//mboShutdownParams["Flags"] = flag;
//mboShutdownParams["Reserved"] = "0";
//foreach (ManagementObject manObj in mcWin32.GetInstances())
//{
// mboShutdown = manObj.InvokeMethod("Win32Shutdown",
// mboShutdownParams, null);
//}
// End Removed 2012-11-23 G#
// Added 2012-11-23 G# - Migrate to Win32 PInvoke Shutdown
TokPriv1Luid tp;
IntPtr hproc = GetCurrentProcess();
IntPtr htok = IntPtr.Zero;
OpenProcessToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, ref htok);
tp.Count = 1;
tp.Luid = 0;
tp.Attr = SE_PRIVILEGE_ENABLED;
LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);
AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero, IntPtr.Zero);
ExitWindowsEx(flag, 0);
// End Added 2012-11-23 G#
}
#region Win32 PInvoke Interop
[StructLayout(LayoutKind.Sequential, Pack = 1)]
private struct TokPriv1Luid
{
public int Count;
public long Luid;
public int Attr;
}
[DllImport("kernel32.dll", ExactSpelling = true)]
private static extern IntPtr GetCurrentProcess();
[DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
private static extern bool OpenProcessToken(IntPtr h, int acc, ref IntPtr phtok);
[DllImport("advapi32.dll", SetLastError = true)]
private static extern bool LookupPrivilegeValue(string host, string name, ref long pluid);
[DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]
private static extern bool AdjustTokenPrivileges(IntPtr htok, bool disall, ref TokPriv1Luid newst, int len, IntPtr prev, IntPtr relen);
[DllImport("user32.dll", ExactSpelling = true, SetLastError = true)]
private static extern bool ExitWindowsEx(int flg, int rea);
private const int SE_PRIVILEGE_ENABLED = 0x00000002;
private const int TOKEN_QUERY = 0x00000008;
private const int TOKEN_ADJUST_PRIVILEGES = 0x00000020;
private const string SE_SHUTDOWN_NAME = "SeShutdownPrivilege";
private const int EWX_LOGOFF = 0x00000000;
private const int EWX_SHUTDOWN = 0x00000001;
private const int EWX_REBOOT = 0x00000002;
private const int EWX_FORCE = 0x00000004;
private const int EWX_POWEROFF = 0x00000008;
private const int EWX_FORCEIFHUNG = 0x00000010;
#endregion
}
}