windows 实现用户切换
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using System;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Security.Principal;
using System.Security.AccessControl;
using System.Runtime.InteropServices;
using System.Security.Permissions;
namespace changeUser
{
class Program
{
[DllImport("advapi32.dll", SetLastError = true)]
private static extern bool LogonUser(String lpszUsername, String lpszDomain, String lpszPassword, int dwLogonType, int dwLogonProvider, ref IntPtr phToken);
[DllImport("kernel32.dll", CharSet = CharSet.Auto)]
private extern static bool CloseHandle(IntPtr handle);
//获得登录之后的token
private static IntPtr tokenHandle = new IntPtr(0);
private static WindowsImpersonationContext impersonatedUser;
[PermissionSetAttribute(SecurityAction.Demand, Name = "FullTrust")]
private static bool Impersonate(string domainName, string userName, string password)
{
try
{
const int LOGON32_PROVIDER_DEFAULT = 0;
const int LOGON32_LOGON_INTERACTIVE = 2;
tokenHandle = IntPtr.Zero;
bool returnValue = LogonUser(userName, domainName, password, LOGON32_LOGON_INTERACTIVE, LOGON32_PROVIDER_DEFAULT, ref tokenHandle);
if (!returnValue)
{
int ret = Marshal.GetLastWin32Error();
// Console.WriteLine("LogonUser call failed with error code : " + ret);
throw new System.ComponentModel.Win32Exception(ret);
}
WindowsIdentity newId = new WindowsIdentity(tokenHandle);
impersonatedUser = newId.Impersonate();
return true;
}
catch (Exception ex)
{
Console.WriteLine("Exception occurred. " + ex.Message);
return false;
}
}
/// <summary>
/// 实现用户上下文切换。
/// </summary>
private static void Undo()
{
try
{
WindowsIdentity currentIdentity = WindowsIdentity.GetCurrent();
// Console.WriteLine("first:"+currentIdentity.User.ToString());
//实现用户切换
impersonatedUser.Undo();
currentIdentity = WindowsIdentity.GetCurrent();
// Console.WriteLine("second:" + currentIdentity.User.ToString());
// Free the tokens.
if (tokenHandle != IntPtr.Zero)
CloseHandle(tokenHandle);
}
catch (System.Exception ex)
{
Console.WriteLine("undo except:" + ex.Message);
}
}
public static void AddFileSecurity(string fileName, string account,
FileSystemRights rights, AccessControlType controlType)
{
// Get a FileSecurity object that represents the
// current security settings.
FileSecurity fSecurity = File.GetAccessControl(fileName);
// Add the FileSystemAccessRule to the security settings.
fSecurity.AddAccessRule(new FileSystemAccessRule(account,
rights, controlType));
// Set the new access settings.
File.SetAccessControl(fileName, fSecurity);
}
static void Main(string[] args)
{
try
{
if (args.Length < 3)
{
Console.WriteLine("info:");
Console.WriteLine("exe username password file:use username password zai path xia create index111.asp");
return;
}
string strUserName = args[0];
string strPass = args[1];
string strFile = args[2];
string strDomain = ".";
if (strUserName.IndexOf("\\") != -1)
{
strDomain = strUserName.Split(‘\\‘)[0];
strUserName = strUserName.Split(‘\\‘)[1];
}
Impersonate(strDomain, strUserName, strPass);
if (File.Exists(strFile))
{
//加入访问控制
AddFileSecurity(strFile, strUserName, FileSystemRights.FullControl, AccessControlType.Allow);
//设置文件属性
System.IO.File.SetAttributes(strFile, System.IO.FileAttributes.Normal);
File.Delete(strFile);
Console.WriteLine("delete is ok\n");
}
Undo();
}
catch (System.Exception ex)
{
Console.WriteLine("main except:" + ex.Message);
}
//http://www.gutefreunde.ch/content/files/documents/en_admin.aspx
}
}
}
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