ASP.NET模拟其他用户进行关机

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
}

本文地址： http://www.cnblogs.com/anjou/archive/2006/11/30/577279.html