using System;


namespace ListDirectory
{
    class Program
    {
        // This sample program is listup remote home directory.



        // Requirements:
        // you need to install SSH.NET from nuget.
        //
        // PM> Install-Package SSH.NET
        //
        // This sample is executed under 'SSH.NET.2016.1.0'

        static void Main(string[] args)
        {
            var remote_hostname = "sftp.server.example.com";
            var remote_port = 10022;
            var remote_username = "sftpuser";
            var remote_password = "sftppass";

            //
            //
            //
            //var ci = GetConnectionInfo_Direct(remote_hostname, remote_port, remote_username, remote_password);
            var ci = GetConnectionInfo_Socks5(remote_hostname, remote_port, remote_username, remote_password);


            ListDirectory(ci);
        }


        static Renci.SshNet.ConnectionInfo GetConnectionInfo_Direct(String remote_hostname, Int32 remote_port, String remote_username, String remote_password)
        {
            // password authentication.
            var authMethod = new Renci.SshNet.PasswordAuthenticationMethod(remote_username, remote_password);

            // make a connection info.
            var connectionInfo = new Renci.SshNet.ConnectionInfo(remote_hostname, remote_port, remote_username, authMethod);

            return connectionInfo;
        }

        static Renci.SshNet.ConnectionInfo GetConnectionInfo_Socks5(String remote_hostname, Int32 remote_port, String remote_username, String remote_password)
        {

            var socks5_hostname = "192.168.0.2";
            var socks5_port = 1080;
            var socks5_username = "socks5user";
            var socks5_password = "socks5pass";



            // password authentication.
            var authMethod = new Renci.SshNet.PasswordAuthenticationMethod(remote_username, remote_password);


            //
            // THAT'S THE POINT!!
            //
            //    detour the BUG (using #174 pull request technique)
            //
            {
                var portBytes = BitConverter.GetBytes(System.Net.IPAddress.HostToNetworkOrder((short)remote_port));
                remote_port = portBytes[0] * 0xFF + portBytes[1];
            }


            // make a connection info.
            var connectionInfo = new Renci.SshNet.ConnectionInfo(remote_hostname, remote_port, remote_username, Renci.SshNet.ProxyTypes.Socks5, socks5_hostname, socks5_port, socks5_username, socks5_password, authMethod);


            return connectionInfo;
        }


        /// <summary>
        /// List home directory.
        /// </summary>
        /// <param name="connectionInfo"></param>
        static void ListDirectory(Renci.SshNet.ConnectionInfo connectionInfo)
        {
            using (var client = new Renci.SshNet.SftpClient(connectionInfo))
            {
                client.Connect();

                foreach (var file in client.ListDirectory("."))
                {
                    Console.WriteLine(">> {0}", file.Name);
                }

                client.Disconnect();
            }
        }
    }
}