C#(驗證網域賬號密碼的正確性)



    class Class_Login
    {

        //protected bool fun_AuthDomainUser(string userid, string domain, string passwd)
        public bool fun_AuthDomainUser(string userid, string domain, string passwd)
        {
            const int LOGON32_LOGON_INTERACTIVE = 2; //通過網絡驗證賬戶合法性
            const int LOGON32_PROVIDER_DEFAULT = 0; //使用默認的Windows 2000/NT NTLM驗證方
            IntPtr tokenHandle = new IntPtr(0);
            tokenHandle = IntPtr.Zero;
            bool checkok = LogonUser(userid, domain, passwd, LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, ref tokenHandle);
            return checkok;
        }

        [DllImport("advapi32.dll")]

        private static extern bool LogonUser(string lpszUsername, string lpszDomain, string lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken);

    }