Programs Knowledge

using System.IO;
using System.Runtime.InteropServices;
using System.Security.Principal;
using System.Security.Permissions;

[assembly: SecurityPermissionAttribute(SecurityAction.RequestMinimum, UnmanagedCode =true)]
[assembly: PermissionSetAttribute(SecurityAction.RequestMinimum, Name = "FullTrust")]

namespace ConsoleApplication1
{
    class Class1
    {
        //登入
        [DllImport("advapi32.dll", SetLastError = true)]
        public static extern bool LogonUser(
        string lpszUsername,
        string lpszDomain,
        string lpszPassword,
        int dwLogonType,
        int dwLogonProvider,
        ref IntPtr phToken);
    
        //登出
        [DllImport("kernel32.dll")]
        public extern static bool CloseHandle(IntPtr hToken);

        public Class1()
        {
            string UserName = "username";
            string MachineName = "192.168.0.10";
            string Pw = "password";
            string IPath = @"\\" + MachineName + @"\shared";
            const int LOGON32_PROVIDER_DEFAULT = 0;
            const int LOGON32_LOGON_NEW_CREDENTIALS = 9;
            IntPtr tokenHandle = new IntPtr(0);
            tokenHandle = IntPtr.Zero;

            //將登入的Token放在tokenHandle
            bool returnValue = LogonUser(UserName, MachineName, Pw,
                LOGON32_LOGON_NEW_CREDENTIALS,
                LOGON32_PROVIDER_DEFAULT,
                ref tokenHandle);
    
            //讓程式模擬登入的使用者
            WindowsIdentity w = new WindowsIdentity(tokenHandle);
            w.Impersonate();
    
            if (false == returnValue)
            {    
                //登入失敗的處理
                return;
            }

            //取得該目錄下的所有檔案名稱
            DirectoryInfo dir = new DirectoryInfo(IPath);
            FileInfo[] inf = dir.GetFiles();

            for (int i = 0; i < inf.Length; i++)
            {
                Console.WriteLine(inf[i].Name);
            }
        }
    }
}