Exemplo n.º 1
0
func Dial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
	log.Info("WebSocket|Dailer: Creating connection to ", dest)
	if src == nil {
		src = v2net.AnyIP
	}
	networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
	if err != nil {
		return nil, err
	}
	wsSettings := networkSettings.(*Config)

	id := src.String() + "-" + dest.NetAddr()
	var conn *wsconn
	if dest.Network == v2net.Network_TCP && wsSettings.ConnectionReuse.IsEnabled() {
		connt := globalCache.Get(id)
		if connt != nil {
			conn = connt.(*wsconn)
		}
	}
	if conn == nil {
		var err error
		conn, err = wsDial(src, dest, options)
		if err != nil {
			log.Warning("WebSocket|Dialer: Dial failed: ", err)
			return nil, err
		}
	}
	return NewConnection(id, conn, globalCache, wsSettings), nil
}
Exemplo n.º 2
0
func wsDial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (*wsconn, error) {
	networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
	if err != nil {
		return nil, err
	}
	wsSettings := networkSettings.(*Config)

	commonDial := func(network, addr string) (net.Conn, error) {
		return internet.DialToDest(src, dest)
	}

	dialer := websocket.Dialer{
		NetDial:         commonDial,
		ReadBufferSize:  65536,
		WriteBufferSize: 65536,
	}

	protocol := "ws"

	if options.Stream != nil && options.Stream.HasSecuritySettings() {
		protocol = "wss"
		securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
		if err != nil {
			log.Error("WebSocket: Failed to create security settings: ", err)
			return nil, err
		}
		tlsConfig, ok := securitySettings.(*v2tls.Config)
		if ok {
			dialer.TLSClientConfig = tlsConfig.GetTLSConfig()
			if dest.Address.Family().IsDomain() {
				dialer.TLSClientConfig.ServerName = dest.Address.Domain()
			}
		}
	}

	uri := protocol + "://" + dest.NetAddr() + "/" + wsSettings.Path

	conn, resp, err := dialer.Dial(uri, nil)
	if err != nil {
		if resp != nil {
			reason, reasonerr := ioutil.ReadAll(resp.Body)
			log.Info(string(reason), reasonerr)
		}
		return nil, err
	}
	return func() internet.Connection {
		connv2ray := &wsconn{
			wsc:         conn,
			connClosing: false,
			config:      wsSettings,
		}
		connv2ray.setup()
		return connv2ray
	}().(*wsconn), nil
}
Exemplo n.º 3
0
func wsDial(ctx context.Context, dest v2net.Destination) (*wsconn, error) {
	src := internet.DialerSourceFromContext(ctx)
	wsSettings := internet.TransportSettingsFromContext(ctx).(*Config)

	commonDial := func(network, addr string) (net.Conn, error) {
		return internet.DialSystem(src, dest)
	}

	dialer := websocket.Dialer{
		NetDial:         commonDial,
		ReadBufferSize:  32 * 1024,
		WriteBufferSize: 32 * 1024,
	}

	protocol := "ws"

	if securitySettings := internet.SecuritySettingsFromContext(ctx); securitySettings != nil {
		tlsConfig, ok := securitySettings.(*v2tls.Config)
		if ok {
			protocol = "wss"
			dialer.TLSClientConfig = tlsConfig.GetTLSConfig()
			if dest.Address.Family().IsDomain() {
				dialer.TLSClientConfig.ServerName = dest.Address.Domain()
			}
		}
	}

	host := dest.NetAddr()
	if (protocol == "ws" && dest.Port == 80) || (protocol == "wss" && dest.Port == 443) {
		host = dest.Address.String()
	}
	uri := protocol + "://" + host + "/" + wsSettings.Path

	conn, resp, err := dialer.Dial(uri, nil)
	if err != nil {
		if resp != nil {
			reason, reasonerr := ioutil.ReadAll(resp.Body)
			log.Info(string(reason), reasonerr)
		}
		return nil, err
	}
	return func() internet.Connection {
		connv2ray := &wsconn{
			wsc:         conn,
			connClosing: false,
			config:      wsSettings,
		}
		connv2ray.setup()
		return connv2ray
	}().(*wsconn), nil
}
Exemplo n.º 4
0
func Dial(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
	log.Info("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 := src.String() + "-" + dest.NetAddr()
	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.New("TCP: Failed to get header settings: " + err.Error())
			}
			auth, err := internet.CreateConnectionAuthenticator(tcpSettings.HeaderSettings.Type, headerConfig)
			if err != nil {
				return nil, errors.New("TCP: Failed to create header authenticator: " + err.Error())
			}
			conn = auth.Client(conn)
		}
	}
	return NewConnection(id, conn, globalCache, tcpSettings), nil
}
Exemplo n.º 5
0
func Dial(src v2net.Address, dest v2net.Destination) (internet.Connection, error) {
	log.Info("Dailing TCP to ", dest)
	if src == nil {
		src = v2net.AnyIP
	}
	id := src.String() + "-" + dest.NetAddr()
	var conn net.Conn
	if dest.IsTCP() && effectiveConfig.ConnectionReuse {
		conn = globalCache.Get(id)
	}
	if conn == nil {
		var err error
		conn, err = internet.DialToDest(src, dest)
		if err != nil {
			return nil, err
		}
	}
	return NewConnection(id, conn, globalCache), nil
}
Exemplo n.º 6
0
func (this *DefaultSystemDialer) Dial(src v2net.Address, dest v2net.Destination) (net.Conn, error) {
	dialer := &net.Dialer{
		Timeout:   time.Second * 60,
		DualStack: true,
	}
	if src != nil && src != v2net.AnyIP {
		var addr net.Addr
		if dest.IsTCP() {
			addr = &net.TCPAddr{
				IP:   src.IP(),
				Port: 0,
			}
		} else {
			addr = &net.UDPAddr{
				IP:   src.IP(),
				Port: 0,
			}
		}
		dialer.LocalAddr = addr
	}
	return dialer.Dial(dest.Network().String(), dest.NetAddr())
}
Exemplo n.º 7
0
func Dial(src v2net.Address, dest v2net.Destination) (internet.Connection, error) {
	log.Info("WebSocket|Dailer: Creating connection to ", dest)
	if src == nil {
		src = v2net.AnyIP
	}
	id := src.String() + "-" + dest.NetAddr()
	var conn *wsconn
	if dest.IsTCP() && effectiveConfig.ConnectionReuse {
		connt := globalCache.Get(id)
		if connt != nil {
			conn = connt.(*wsconn)
		}
	}
	if conn == nil {
		var err error
		conn, err = wsDial(src, dest)
		if err != nil {
			log.Warning("WebSocket|Dialer: Dial failed: ", err)
			return nil, err
		}
	}
	return NewConnection(id, conn, globalCache), nil
}
Exemplo n.º 8
0
func (this *SimpleSystemDialer) Dial(src v2net.Address, dest v2net.Destination) (net.Conn, error) {
	return this.adapter.Dial(dest.Network().String(), dest.NetAddr())
}