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ASP.NET技巧:ASP.NET模拟其他用户进行关机

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ASP.NET技巧:ASP.NET模拟其他用户进行关机
ASP.NET技巧:ASP.NET模拟其他用户进行关机ASP.NET
【网络综合-ASP.NET技巧:ASP.NET模拟其他用户进行关机】:

using System;

using System.Collections.Generic;

using System.Text;

using System.Security.Principal;

using System.Runtime.InteropServices;

public class Impersonate

{

#region 模拟

private WindowsImpersonationContext impersonationContext;

private const int LOGON32_LOGON_INTERACTIVE = 2;

private const int LOGON32_PROVIDER_DEFAULT = 0;

[DllImport("advapi32.dll", CharSet = CharSet.Auto)]

private static extern int LogonUser(String lpszUserName,

String lpszDomain, String lpszPassword,

int dwLogonType, int dwLogonProvider, ref IntPtr phToken);

[DllImport("advapi32.dll", CharSet =

System.Runtime.InteropServices.CharSet.Auto, SetLastError = true)]

private extern static int DuplicateToken(IntPtr hToken,

int impersonationLevel, ref IntPtr hNewToken);

[DllImport("advapi32.dll", CharSet = CharSet.Auto, SetLastError = true)]

private static extern bool RevertToSelf();

[DllImport("kernel32.dll", CharSet = CharSet.Auto)]

private extern static bool CloseHandle(IntPtr handle);

///



/// 模拟一个用户

///


/// 用户名

/// 密码

/// 域名/计算机名

/// true 模拟成功,false 模拟失败

public bool ImpersonateUser(string userName, string password, string domain)

{

WindowsIdentity wi;

IntPtr token = IntPtr.Zero;

IntPtr tokenDuplicate = IntPtr.Zero;

if (RevertToSelf())

{

if (LogonUser(userName, domain, password,

LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, ref token) != 0)

{

if (DuplicateToken(token, 2, ref tokenDuplicate) != 0)

{

wi = new WindowsIdentity(tokenDuplicate);

impersonationContext = wi.Impersonate();

if (impersonationContext != null)

{

CloseHandle(tokenDuplicate);

CloseHandle(token);

return true;

}

else

{

if (tokenDuplicate != IntPtr.Zero)

CloseHandle(tokenDuplicate);

if (token != IntPtr.Zero) CloseHandle(token);

return false;

}

}

else

{

if (token != IntPtr.Zero) CloseHandle(token);

return false;

}

}

else

return false;

}

else

return false;

}

///



/// 取消模拟

///


public void UndoImpersonation()

{

impersonationContext.Undo();

}

#endregion

#region 关机

[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 GetCurrentThread();

[DllImport("advapi32.dll", ExactSpelling = true, SetLastError = true)]

private static extern bool OpenThreadToken(IntPtr h,

int acc, bool openAsSelf, 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);

[DllImport("advapi32.dll")]

private static extern bool InitiateSystemShutdown(string Machinename,

string Message,

long Timeout, bool ForceAppsClosed, bool RebootAfterShutdown);

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;

///



/// 关机

///


///

public bool ShutDown()

{

bool result;

TokPriv1Luid tp;

//注意:这里用的是GetCurrentThread,而不是GetCurrentProcess

IntPtr hproc = GetCurrentThread();

IntPtr htok = IntPtr.Zero;

//注意:这里用的是OpenThreadToken(打开线程令牌),而不是OpenProcessToken(打开进程令牌)

result = OpenThreadToken(hproc, TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY,

true, ref htok);

tp.Count = 1;

tp.Luid = 0;

tp.Attr = SE_PRIVILEGE_ENABLED;

result = LookupPrivilegeValue(null, SE_SHUTDOWN_NAME, ref tp.Luid);

result = AdjustTokenPrivileges(htok, false, ref tp, 0, IntPtr.Zero,

IntPtr.Zero);

result = InitiateSystemShutdown("", "", 60, true, false);

return result;

}

#endregion

}

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