LoginDomain类 取得系统当前登录名
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; //必要引用
using System.Security.Principal; //必要引用
/// <summary>
/// LoginDomain 的摘要说明
/// 适用ASP.NET 2.0
/// Windows XP 调试成功
/// 调用”advapi32.dll“win32 API
/// </summary>
public class LoginDomain
{
// 【用户登录域】方法
public const int LOGON32_LOGON_INTERACTIVE = 2;
public const int LOGON32_PROVIDER_DEFAULT = 0;
WindowsImpersonationContext impersonationContext;
[DllImport("advapi32.dll", CharSet = CharSet.Auto)]
public 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)]
public extern static int DuplicateToken(IntPtr hToken,
int impersonationLevel,
ref IntPtr hNewToken);
/// <summary>
/// 输入用户名、密码、登录域判断是否成功
/// </summary>
/// <example>
/// if (impersonateValidUser(UserName, Domain, Password)){}
/// </example>
/// <param name="userName">账户名称,如:string UserName = UserNameTextBox.Text;</param>
/// <param name="domain">要登录的域,如:string Domain = DomainTextBox.Text;</param>
/// <param name="password">账户密码, 如:string Password = PasswordTextBox.Text;</param>
/// <returns>成功返回true,否则返回false</returns>
public bool impersonateValidUser(String userName, String domain, String password)
{
WindowsIdentity tempWindowsIdentity;
IntPtr token = IntPtr.Zero;
IntPtr tokenDuplicate = IntPtr.Zero;
if (LogonUser(userName, domain, password, LOGON32_LOGON_INTERACTIVE,
LOGON32_PROVIDER_DEFAULT, ref token) != 0)
{
if (DuplicateToken(token, 2, ref tokenDuplicate) != 0)
{
tempWindowsIdentity = new WindowsIdentity(tokenDuplicate);
impersonationContext = tempWindowsIdentity.Impersonate();
if (impersonationContext != null)
return true;
else
return false;
}
else
return false;
}
else
return false;
}
public void undoImpersonation()
{
impersonationContext.Undo();
}
}
客户端代码
protected void Button1_Click(object sender, EventArgs e)
{
string UserName = UserNameTextBox.Text;
string Domain = "cnsvwsh00";
string Password = PasswordTextBox.Text;
LoginDomain CheckUserLogin = new LoginDomain();
if (CheckUserLogin.impersonateValidUser(UserName, Domain, Password))
Response.Write(UserNameTextBox.Text + " is OK");
else
Response.Write(UserNameTextBox.Text + " is Error");
}
protected void Button2_Click(object sender, EventArgs e)
{
Jscript.Alert(SystemInformation.UserName);//取登录用户名
// Response.Write(System.Environment.UserName);//同上
Response.Write(System.Environment.UserDomainName);//取登录的域 或组.
}