/// <summary>
/// Ends the host connection phase and negotiates the proxied connection
/// </summary>
private void EndConnectToIPAddress(IAsyncResult res)
{
try
{
socket.EndConnect(res);
if (destinationSsl)
{
socket.AuthenticateAsClient(destinationServer);
}
}
catch (Exception sockex)
{
OnConnectionFailed("Can't connect to server: {0}", sockex);
return;
}
if (parent.Connections.LocalInternalIP == null)
{
parent.Connections.LocalInternalIP = ((IPEndPoint)socket.LocalEndPoint).Address;
}
if (parent.ServerSettings.ProxySetting == ProxyType.None)
{
OnConnectionComplete();
return;
}
if (parent.ServerSettings.ProxySetting == ProxyType.Socks5)
{
Socks5AuthType auth = GetSocks5AuthMethod();
if (auth == Socks5AuthType.AuthMethodRejected)
{
socket.Close();
OnConnectionFailed("SOCKS5 authentication mechanism unsupported");
return;
}
else if (auth != Socks5AuthType.None)
{
if (SendSocks5Authentication() == false)
{
socket.Close();
OnConnectionFailed("SOCK5 authentication failed, bad username/password");
return;
}
}
if (SendSocks5ConnectRequest() == false)
{
socket.Close();
OnConnectionFailed("SOCKS5 connect failed, proxy server failure");
return;
}
}
// Done!
OnConnectionComplete();
}
