コード例 #1
0
ファイル: SocksClient.cs プロジェクト: ThrDev/Socks5
        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);
            }
        }
コード例 #2
0
        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);
            }
        }