Ejemplo n.º 1
0
func DialKCP(ctx context.Context, dest v2net.Destination) (internet.Connection, error) {
	dest.Network = v2net.Network_UDP
	log.Info("KCP|Dialer: Dialing KCP to ", dest)

	src := internet.DialerSourceFromContext(ctx)
	id := internal.NewConnectionID(src, dest)
	conn := globalPool.Get(id)
	if conn == nil {
		rawConn, err := internet.DialSystem(src, dest)
		if err != nil {
			log.Error("KCP|Dialer: Failed to dial to dest: ", err)
			return nil, err
		}
		c := &ClientConnection{
			Conn: rawConn,
			id:   id,
		}
		go c.Run()
		conn = c
	}

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

	clientConn := conn.(*ClientConnection)
	header, err := kcpSettings.GetPackerHeader()
	if err != nil {
		return nil, errors.Base(err).Message("KCP|Dialer: Failed to create packet header.")
	}
	security, err := kcpSettings.GetSecurity()
	if err != nil {
		return nil, errors.Base(err).Message("KCP|Dialer: Failed to create security.")
	}
	clientConn.ResetSecurity(header, security)
	conv := uint16(atomic.AddUint32(&globalConv, 1))
	session := NewConnection(conv, clientConn, globalPool, kcpSettings)

	var iConn internet.Connection
	iConn = session

	if securitySettings := internet.SecuritySettingsFromContext(ctx); securitySettings != nil {
		switch securitySettings := securitySettings.(type) {
		case *v2tls.Config:
			config := securitySettings.GetTLSConfig()
			if dest.Address.Family().IsDomain() {
				config.ServerName = dest.Address.Domain()
			}
			tlsConn := tls.Client(iConn, config)
			iConn = UnreusableConnection{Conn: tlsConn}
		}
	}

	return iConn, nil
}
Ejemplo n.º 2
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())
}
Ejemplo n.º 3
0
func DialKCP(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
	dest.Network = v2net.Network_UDP
	log.Info("KCP|Dialer: Dialing KCP to ", dest)
	conn, err := internet.DialToDest(src, dest)
	if err != nil {
		log.Error("KCP|Dialer: Failed to dial to dest: ", err)
		return nil, err
	}

	networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
	if err != nil {
		log.Error("KCP|Dialer: Failed to get KCP settings: ", err)
		return nil, err
	}
	kcpSettings := networkSettings.(*Config)

	cpip, err := kcpSettings.GetAuthenticator()
	if err != nil {
		log.Error("KCP|Dialer: Failed to create authenticator: ", err)
		return nil, err
	}
	conv := uint16(atomic.AddUint32(&globalConv, 1))
	session := NewConnection(conv, conn, conn.LocalAddr().(*net.UDPAddr), conn.RemoteAddr().(*net.UDPAddr), cpip, kcpSettings)
	session.FetchInputFrom(conn)

	var iConn internet.Connection
	iConn = session

	if options.Stream != nil && options.Stream.HasSecuritySettings() {
		securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
		if err != nil {
			log.Error("KCP|Dialer: Failed to get security settings: ", err)
			return nil, err
		}
		switch securitySettings := securitySettings.(type) {
		case *v2tls.Config:
			config := securitySettings.GetTLSConfig()
			if dest.Address.Family().IsDomain() {
				config.ServerName = dest.Address.Domain()
			}
			tlsConn := tls.Client(conn, config)
			iConn = v2tls.NewConnection(tlsConn)
		}
	}

	return iConn, nil
}
Ejemplo n.º 4
0
func DialKCP(src v2net.Address, dest v2net.Destination, options internet.DialerOptions) (internet.Connection, error) {
	dest.Network = v2net.Network_UDP
	log.Info("KCP|Dialer: Dialing KCP to ", dest)

	id := internal.NewConnectionId(src, dest)
	conn := globalPool.Get(id)
	if conn == nil {
		rawConn, err := internet.DialToDest(src, dest)
		if err != nil {
			log.Error("KCP|Dialer: Failed to dial to dest: ", err)
			return nil, err
		}
		c := &ClientConnection{
			Conn: rawConn,
			id:   id,
		}
		go c.Run()
		conn = c
	}

	networkSettings, err := options.Stream.GetEffectiveNetworkSettings()
	if err != nil {
		log.Error("KCP|Dialer: Failed to get KCP settings: ", err)
		return nil, err
	}
	kcpSettings := networkSettings.(*Config)

	clientConn := conn.(*ClientConnection)
	header, err := kcpSettings.GetPackerHeader()
	if err != nil {
		return nil, errors.Base(err).Message("KCP|Dialer: Failed to create packet header.")
	}
	security, err := kcpSettings.GetSecurity()
	if err != nil {
		return nil, errors.Base(err).Message("KCP|Dialer: Failed to create security.")
	}
	clientConn.ResetSecurity(header, security)
	conv := uint16(atomic.AddUint32(&globalConv, 1))
	session := NewConnection(conv, clientConn, globalPool, kcpSettings)

	var iConn internet.Connection
	iConn = session

	if options.Stream != nil && options.Stream.HasSecuritySettings() {
		securitySettings, err := options.Stream.GetEffectiveSecuritySettings()
		if err != nil {
			log.Error("KCP|Dialer: Failed to get security settings: ", err)
			return nil, err
		}
		switch securitySettings := securitySettings.(type) {
		case *v2tls.Config:
			config := securitySettings.GetTLSConfig()
			if dest.Address.Family().IsDomain() {
				config.ServerName = dest.Address.Domain()
			}
			tlsConn := tls.Client(conn, config)
			iConn = v2tls.NewConnection(tlsConn)
		}
	}

	return iConn, nil
}
Ejemplo n.º 5
0
func (this *SimpleSystemDialer) Dial(src v2net.Address, dest v2net.Destination) (net.Conn, error) {
	return this.adapter.Dial(dest.Network().String(), dest.NetAddr())
}
Ejemplo n.º 6
0
func (this *NetworkMatcher) Apply(dest v2net.Destination) bool {
	return this.network.HasNetwork(dest.Network())
}