三人行

转自:http://www.cnblogs.com/resoar/archive/2009/07/25/1530732.html

注:限制管理员权限下使用

using System.Runtime.InteropServices;
首先导入这个命名空间。
哎不一一多说了，代码贴上，感兴趣的直接拿去用。
这个是关闭本机的，比如说程序是放在服务器上，那么关闭的是Server，而不是客户端。
最近在做个来路分析加防恶意点击程序，完成后再来共享代码。

还有点提醒,代码针对windows

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.Runtime.InteropServices;

public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
DoExitWin(EWX_SHUTDOWN);
}
[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 = 0×00000002;
internal const int TOKEN_QUERY = 0×00000008;
internal const int TOKEN_ADJUST_PRIVILEGES = 0×00000020;
internal const string SE_SHUTDOWN_NAME = “SeShutdownPrivilege”;
internal const int EWX_LOGOFF = 0×00000000;
internal const int EWX_SHUTDOWN = 0×00000001;
internal const int EWX_REBOOT = 0×00000002;
internal const int EWX_FORCE = 0×00000004;
internal const int EWX_POWEROFF = 0×00000008;
internal const int EWX_FORCEIFHUNG = 0×00000010;
private static 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);
}
}