Ejemplo n.º 1
0
func Dial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
	log.Info("Internet|TCP: Dailing TCP to ", dest)
	if src == nil {
		src = v2net.AnyIP
	}
	networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
	if err != nil {
		return nil, err
	}
	tcpSettings := networkSettings.(*Config)

	id := internal.NewConnectionId(src, dest)
	var conn net.Conn
	if dest.Network == v2net.Network_TCP && tcpSettings.ConnectionReuse.IsEnabled() {
		conn = globalCache.Get(id)
	}
	if conn == nil {
		var err error
		conn, err = internet.DialToDest(src, dest)
		if err != nil {
			return nil, err
		}
		if options.Stream != nil && options.Stream.HasSecuritySettings() {
			securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
			if err != nil {
				log.Error("TCP: Failed to get security settings: ", err)
				return nil, err
			}
			tlsConfig, ok := securitySettings.(*v2tls.Config)
			if ok {
				config := tlsConfig.GetTLSConfig()
				if dest.Address.Family().IsDomain() {
					config.ServerName = dest.Address.Domain()
				}
				conn = tls.Client(conn, config)
			}
		}
		if tcpSettings.HeaderSettings != nil {
			headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
			if err != nil {
				return nil, errors.Base(err).Message("Interent|TCP: Failed to get header settings.")
			}
			auth, err := internet.CreateConnectionAuthenticator(tcpSettings.HeaderSettings.Type, headerConfig)
			if err != nil {
				return nil, errors.Base(err).Message("Internet|TCP: Failed to create header authenticator.")
			}
			conn = auth.Client(conn)
		}
	}
	return NewConnection(id, conn, globalCache, tcpSettings), nil
}
Ejemplo n.º 2
0
func ListenTCP(address v2net.Address, port v2net.Port, options internet.ListenOptions) (internet.Listener, error) {
	listener, err := net.ListenTCP("tcp", &net.TCPAddr{
		IP:   address.IP(),
		Port: int(port),
	})
	if err != nil {
		return nil, err
	}
	log.Info("TCP|Listener: Listening on ", address, ":", port)
	networkSettings, err := options.Stream.GetEffectiveTransportSettings()
	if err != nil {
		return nil, err
	}
	tcpSettings := networkSettings.(*Config)

	l := &TCPListener{
		acccepting:    true,
		listener:      listener,
		awaitingConns: make(chan *ConnectionWithError, 32),
		config:        tcpSettings,
	}
	if options.Stream != nil && options.Stream.HasSecuritySettings() {
		securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
		if err != nil {
			log.Error("TCP: Failed to get security config: ", err)
			return nil, err
		}
		tlsConfig, ok := securitySettings.(*v2tls.Config)
		if ok {
			l.tlsConfig = tlsConfig.GetTLSConfig()
		}
	}
	if tcpSettings.HeaderSettings != nil {
		headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
		if err != nil {
			return nil, errors.Base(err).Message("Internet|TCP: Invalid header settings.")
		}
		auth, err := internet.CreateConnectionAuthenticator(headerConfig)
		if err != nil {
			return nil, errors.Base(err).Message("Internet|TCP: Invalid header settings.")
		}
		l.authConfig = auth
	}
	go l.KeepAccepting()
	return l, nil
}
Ejemplo n.º 3
0
func Dial(ctx context.Context, dest v2net.Destination) (internet.Connection, error) {
	log.Info("Internet|TCP: Dailing TCP to ", dest)
	src := internet.DialerSourceFromContext(ctx)

	tcpSettings := internet.TransportSettingsFromContext(ctx).(*Config)

	id := internal.NewConnectionID(src, dest)
	var conn net.Conn
	if dest.Network == v2net.Network_TCP && tcpSettings.IsConnectionReuse() {
		conn = globalCache.Get(id)
	}
	if conn == nil {
		var err error
		conn, err = internet.DialSystem(src, dest)
		if err != nil {
			return nil, err
		}
		if securitySettings := internet.SecuritySettingsFromContext(ctx); securitySettings != nil {
			tlsConfig, ok := securitySettings.(*v2tls.Config)
			if ok {
				config := tlsConfig.GetTLSConfig()
				if dest.Address.Family().IsDomain() {
					config.ServerName = dest.Address.Domain()
				}
				conn = tls.Client(conn, config)
			}
		}
		if tcpSettings.HeaderSettings != nil {
			headerConfig, err := tcpSettings.HeaderSettings.GetInstance()
			if err != nil {
				return nil, errors.Base(err).Message("Interent|TCP: Failed to get header settings.")
			}
			auth, err := internet.CreateConnectionAuthenticator(headerConfig)
			if err != nil {
				return nil, errors.Base(err).Message("Internet|TCP: Failed to create header authenticator.")
			}
			conn = auth.Client(conn)
		}
	}
	return internal.NewConnection(id, conn, globalCache, internal.ReuseConnection(tcpSettings.IsConnectionReuse())), nil
}