public void Start(int PacketSize, int Timeout)
{
Client.ClientDisconnecting += ClientClientDisconnecting;
SocksEncryption w = null;
if (Client == null)
{
this.Dispose();
return;
}
Authenticated = AuthenticateConnection(ref w);
//Request Site Data.
if (Authenticated == 1)
{
w = new SocksEncryption();
w.SetType(AuthTypes.Login);
SocksRequest req = Socks5.RequestTunnel(this, w);
if (req == null) { Client.Disconnect(); return; }
req1 = new SocksRequest(req.StreamType, req.Type, req.Address, req.Port);
//call on plugins for connect callbacks.
foreach (ConnectHandler conn in PluginLoader.LoadPlugin(typeof(ConnectHandler)))
if (conn.Enabled)
if (conn.OnConnect(req1) == false)
{
req.Error = SocksError.Failure;
Client.Send(req.GetData(true));
Client.Disconnect();
return;
}
//Send Tunnel Data back.
SocksTunnel x = new SocksTunnel(this, req, req1, PacketSize, Timeout);
x.TunnelDisposing += x_TunnelDisposing;
x.Open();
}
else if (Authenticated == 2)
{
SocksRequest req = Socks5.RequestTunnel(this, w);
if (req == null) { Client.Disconnect(); return; }
req1 = new SocksRequest(req.StreamType, req.Type, req.Address, req.Port);
if (PluginLoader.LoadPlugin(typeof(ConnectHandler)).Cast<ConnectHandler>().Where(conn => conn.Enabled).Any(conn => conn.OnConnect(req1) == false))
{
req.Error = SocksError.Failure;
Client.Send(req.GetData(true));
Client.Disconnect();
return;
}
//Send Tunnel Data back.
SocksSpecialTunnel x = new SocksSpecialTunnel(this, w, req, req1, PacketSize, Timeout);
x.TunnelDisposing += x_TunnelDisposing;
x.Start();
}
}
public static SocksEncryption RequestSpecialMode(List<AuthTypes> auth, Client client)
{
//select mode, do key exchange if encryption, or start compression.
if (auth.Contains(AuthTypes.SocksBoth))
{
//tell client that we chose socksboth.
client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)AuthTypes.SocksBoth });
//wait for public key.
SocksEncryption ph = new SocksEncryption();
ph.GenerateKeys();
//wait for public key.
byte[] buffer = new byte[4096];
int keysize = client.Receive(buffer, 0, buffer.Length);
//store key in our encryption class.
ph.SetKey(buffer, 0, keysize);
//send key.
client.Send(ph.GetPublicKey());
//now we give them our key.
client.Send(ph.ShareEncryptionKey());
//send more.
int enckeysize = client.Receive(buffer, 0, buffer.Length);
//decrypt with our public key.
byte[] newkey = new byte[enckeysize];
Buffer.BlockCopy(buffer, 0, newkey, 0, enckeysize);
ph.SetEncKey(ph.key.Decrypt(newkey, false));
ph.SetType(AuthTypes.SocksBoth);
//ready up our client.
return ph;
}
else if (auth.Contains(AuthTypes.SocksEncrypt))
{
//tell client that we chose socksboth.
client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)AuthTypes.SocksEncrypt });
//wait for public key.
SocksEncryption ph = new SocksEncryption();
ph.GenerateKeys();
//wait for public key.
byte[] buffer = new byte[4096];
int keysize = client.Receive(buffer, 0, buffer.Length);
//store key in our encryption class.
ph.SetKey(buffer, 0, keysize);
ph.SetType(AuthTypes.SocksBoth);
//ready up our client.
return ph;
}
else if (auth.Contains(AuthTypes.SocksCompress))
{
//start compression.
client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)AuthTypes.SocksCompress });
SocksEncryption ph = new SocksEncryption();
ph.SetType(AuthTypes.SocksCompress);
//ready
}
else if (auth.Contains(AuthTypes.Login))
{
SocksEncryption ph = new SocksEncryption();
ph.SetType(AuthTypes.Login);
return ph;
}
return null;
}
