public SocksTunnel(SocksClient p, SocksRequest req, int packetSize, int timeout)
{
RemoteClient = new Client(new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp), PacketSize);
Client = p;
Req = req;
PacketSize = packetSize;
Timeout = timeout;
}
public DataEventArgs(Client client, byte[] buffer, int count, SocksRequest req = null)
{
Client = client;
Buffer = buffer;
Count = count;
Offset = 0;
Request = req;
}
public SocksSpecialTunnel(SocksClient p, SocksEncryption ph, SocksRequest req, SocksRequest req1, int packetSize, int timeout)
{
RemoteClient = new Client(new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp), PacketSize);
Client = p;
Req = req;
ModifiedReq = req1;
PacketSize = packetSize;
Timeout = timeout;
se = ph;
}
public void Begin(int PacketSize, int Timeout)
{
Client.onClientDisconnected += Client_onClientDisconnected;
List <AuthTypes> authtypes = Socks5.RequestAuth(this);
if (authtypes.Count <= 0)
{
Client.Send(new byte[] { 0x00, 0xFF });
Client.Disconnect();
return;
}
else if (Authentication && this.OnClientAuthenticating != null)
{
//request login.
User user = Socks5.RequestLogin(this);
if (user == null)
{
Client.Disconnect();
return;
}
LoginStatus status = this.OnClientAuthenticating(this, new SocksAuthenticationEventArgs(user));
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)status });
if (status == LoginStatus.Denied)
{
Client.Disconnect();
return;
}
else if (status == LoginStatus.Correct)
{
Authenticated = true;
}
//read password and invoke.
//this.OnClientAuthenticating(this, new SocksAuthenticationEventArgs(..));
}
else
{//no username/password required?
Authenticated = true;
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)HeaderTypes.Zero });
}
SocksRequest req = Socks5.RequestTunnel(this);
if (req == null)
{
Client.Disconnect(); return;
}
SocksTunnel x = new SocksTunnel(this, req, PacketSize, Timeout);
x.Open();
}
public SocksSpecialTunnel(SocksClient p, SocksEncryption ph, SocksRequest req, SocksRequest req1, int packetSize, int timeout)
{
RemoteClient = new Client(new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp), PacketSize);
Client = p;
Req = req;
ModifiedReq = req1;
PacketSize = packetSize;
Timeout = timeout;
se = ph;
}
public void Begin(IPAddress outboundInterface, int PacketSize, int Timeout)
{
Client.onClientDisconnected += Client_onClientDisconnected;
List<AuthTypes> authtypes = Socks5.RequestAuth(this);
if (authtypes.Count <= 0)
{
Client.Send(new byte[] { 0x00, 0xFF });
Client.Disconnect();
return;
}
this.Authenticated = 0;
SocksEncryption w = null;
List<object> lhandlers = PluginLoader.LoadPlugin(typeof(LoginHandler));
//check out different auth types, none will have no authentication, the rest do.
if (lhandlers.Count > 0 && (authtypes.Contains(AuthTypes.SocksBoth) || authtypes.Contains(AuthTypes.SocksEncrypt) || authtypes.Contains(AuthTypes.SocksCompress) || authtypes.Contains(AuthTypes.Login)))
{
//this is the preferred method.
w = Socks5.RequestSpecialMode(authtypes, Client);
foreach (LoginHandler lh in lhandlers)
{
//request login.
User user = Socks5.RequestLogin(this);
if (user == null)
{
Client.Disconnect();
return;
}
LoginStatus status = lh.HandleLogin(user);
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)status });
if (status == LoginStatus.Denied)
{
Client.Disconnect();
return;
}
else if (status == LoginStatus.Correct)
{
Authenticated = (w.GetAuthType() == AuthTypes.Login ? 1 : 2);
break;
}
}
}
else if (authtypes.Contains(AuthTypes.None))
{
//no authentication.
if (lhandlers.Count <= 0)
{
//unsupported methods y0
Authenticated = 1;
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)HeaderTypes.Zero });
}
else
{
//unsupported.
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)AuthTypes.Unsupported });
Client.Disconnect();
return;
}
}
else
{
//unsupported.
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)AuthTypes.Unsupported });
Client.Disconnect();
return;
}
//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.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.Open(outboundInterface);
}
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);
foreach (ConnectHandler conn in PluginLoader.LoadPlugin(typeof(ConnectHandler)))
if (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.Open(outboundInterface);
}
}
public void Begin(IPAddress outboundInterface, int PacketSize, int Timeout)
{
Client.onClientDisconnected += Client_onClientDisconnected;
List <AuthTypes> authtypes = Socks5.RequestAuth(this);
if (authtypes.Count <= 0)
{
Client.Send(new byte[] { 0x00, 0xFF });
Client.Disconnect();
return;
}
this.Authenticated = 0;
SocksEncryption w = null;
List <object> lhandlers = PluginLoader.LoadPlugin(typeof(LoginHandler));
//check out different auth types, none will have no authentication, the rest do.
if (lhandlers.Count > 0 &&
(authtypes.Contains(AuthTypes.SocksBoth) ||
authtypes.Contains(AuthTypes.SocksEncrypt) ||
authtypes.Contains(AuthTypes.SocksCompress) ||
authtypes.Contains(AuthTypes.Login)))
{
//this is the preferred method.
w = Socks5.RequestSpecialMode(authtypes, Client);
foreach (LoginHandler lh in lhandlers)
{
//request login.
User user = Socks5.RequestLogin(this);
if (user == null)
{
Client.Disconnect();
return;
}
LoginStatus status = lh.HandleLogin(user);
Client.Send(new byte[] { user.AuthTypeVersion, (byte)status });
if (status == LoginStatus.Denied)
{
Client.Disconnect();
return;
}
else if (status == LoginStatus.Correct)
{
Authenticated = (w.GetAuthType() == AuthTypes.Login ? 1 : 2);
break;
}
}
}
else if (authtypes.Contains(AuthTypes.None))
{
//no authentication.
if (lhandlers.Count <= 0)
{
//unsupported methods y0
Authenticated = 1;
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)HeaderTypes.Zero });
}
else
{
//unsupported.
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)AuthTypes.Unsupported });
Client.Disconnect();
return;
}
}
else
{
//unsupported.
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)AuthTypes.Unsupported });
Client.Disconnect();
return;
}
//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.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.Open(outboundInterface);
}
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);
foreach (ConnectHandler conn in PluginLoader.LoadPlugin(typeof(ConnectHandler)))
{
if (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.Open(outboundInterface);
}
}
public void Begin(int PacketSize, int Timeout)
{
Client.onClientDisconnected += Client_onClientDisconnected;
List <AuthTypes> authtypes = Socks5.RequestAuth(this);
if (authtypes.Count <= 0)
{
Client.Send(new byte[] { 0x00, 0xFF });
Client.Disconnect();
return;
}
foreach (LoginHandler lh in PluginLoader.LoadPlugin(typeof(LoginHandler)))
{
if (lh.Enabled)
{
if (!authtypes.Contains(AuthTypes.Login)) //disconnect.
{
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, 0xFF });
Client.Disconnect();
return;
}
//request login.
User user = Socks5.RequestLogin(this);
if (user == null)
{
Client.Disconnect();
return;
}
LoginStatus status = lh.HandleLogin(user);
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)status });
if (status == LoginStatus.Denied)
{
Client.Disconnect();
return;
}
else if (status == LoginStatus.Correct)
{
Authenticated = true;
break;
}
}
}
//Request Site Data.
if (!Authenticated)
{//no username/password required?
Authenticated = true;
Client.Send(new byte[] { (byte)HeaderTypes.Socks5, (byte)HeaderTypes.Zero });
}
SocksRequest req = Socks5.RequestTunnel(this);
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());
Client.Disconnect();
return;
}
}
}
//Send Tunnel Data back.
SocksTunnel x = new SocksTunnel(this, req, req1, PacketSize, Timeout);
x.Open();
}
/// <summary> /// Handle request callback. /// </summary> /// <param name="Request"></param> /// <returns>Return true to allow the connection, return false to deny it.</returns> public abstract bool OnConnect(SocksRequest Request);
/// <summary> /// Override the connection, to do whatever you want with it. Client is a wrapper around a socket. /// </summary> /// <param name="sr">The original request params.</param> /// <returns></returns> public abstract Client OnConnectOverride(SocksRequest sr);
public static socks5.Socks.SocksError SendRequest(Client cli, SocksEncryption enc, string ipOrDomain, int port)
{
AddressType type;
IPAddress ipAddress;
if (!IPAddress.TryParse(ipOrDomain, out ipAddress))
//it's a domain. :D (hopefully).
type = AddressType.Domain;
else
type = AddressType.IP;
SocksRequest sr = new SocksRequest(StreamTypes.Stream, type, ipOrDomain, port);
//send data.
byte[] p = sr.GetData(false);
p[1] = 0x01;
//process data.
cli.Send(enc.ProcessOutputData(p, 0, p.Length));
byte[] buffer = new byte[512];
//process input data.
int recv = cli.Receive(buffer, 0, buffer.Length);
if(recv == -1)
{
return SocksError.Failure;
}
byte[] buff = enc.ProcessInputData(buffer, 0, recv);
return (SocksError)buff[1];
}