static void Worker()
{
while (true)
{
var tunnel_listener = new TcpListener(IPAddress.Any, 41111);
Console.WriteLine("Tunnel listening");
tunnel_listener.Start();
var tunnel = tunnel_listener.AcceptTcpClient();
tunnel.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
Console.WriteLine("Tunnel connected");
var rdp_listener = new TcpListener(IPAddress.Any, 3389);
Console.WriteLine("Ready for RDP connection");
rdp_listener.Start();
try
{
using (var rdp = rdp_listener.AcceptTcpClient())
{
Console.WriteLine("RDP Connected");
rdp.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
tunnel.GetStream().Write(new byte[1] {
0x77
}, 0, 1);
Console.WriteLine("Starting data forwarding");
var f1 = new Common.Forwarder(tunnel, rdp);
var f2 = new Common.Forwarder(rdp, tunnel);
ManualResetEvent connection_lost = new ManualResetEvent(false);
f1.connection_lost += () => { connection_lost.Set(); };
f2.connection_lost += () => { connection_lost.Set(); };
connection_lost.WaitOne();
}
}
catch (System.IO.IOException)
{
}
finally
{
tunnel_listener.Stop();
rdp_listener.Stop();
tunnel.Close();
}
}
}
static void Worker(string tunnel_host, string rdp_server)
{
while (true)
{
try {
using (var tunnel = new TcpClient())
{
tunnel.Connect(tunnel_host, 44444);
tunnel.Client.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.KeepAlive, true);
Console.WriteLine("Tunnel Connected, waiting for start signal");
byte[] start_buffer = new byte[1];
tunnel.GetStream().Read(start_buffer, 0, 1);
if (start_buffer[0] != 0x77)
{
Console.WriteLine(string.Format("Got invalid start character {0} :( !!!", start_buffer[0]));
break;
}
using (var localrdp = new TcpClient())
{
localrdp.Connect(rdp_server, 3389);
Console.WriteLine("Rdp connected");
var f1 = new Common.Forwarder(tunnel, localrdp);
var f2 = new Common.Forwarder(localrdp, tunnel);
ManualResetEvent connection_lost = new ManualResetEvent(false);
f1.connection_lost += () => { connection_lost.Set(); };
f2.connection_lost += () => { connection_lost.Set(); };
connection_lost.WaitOne();
}
}
}
catch (System.IO.IOException)
{
}
}
}
