func TestHubSocksOption(t *testing.T) { assert := assert.On(t) if os.Geteuid() != 0 { // This test case requires root permission. return } hub, err := ListenUDP(v2net.LocalHostIP, v2net.Port(0), ListenOption{ Callback: func(*buf.Buffer, *proxy.SessionInfo) {}, ReceiveOriginalDest: true, }) assert.Error(err).IsNil() conn := hub.Connection() fd, err := internal.GetSysFd(conn) assert.Error(err).IsNil() val, err := syscall.GetsockoptInt(fd, syscall.SOL_IP, syscall.IP_TRANSPARENT) assert.Error(err).IsNil() assert.Int(val).Equals(1) val, err = syscall.GetsockoptInt(fd, syscall.SOL_IP, syscall.IP_RECVORIGDSTADDR) assert.Error(err).IsNil() assert.Int(val).Equals(1) }
func ListenUDP(address v2net.Address, port v2net.Port, option ListenOption) (*UDPHub, error) { if option.Concurrency < 1 { option.Concurrency = 1 } udpConn, err := net.ListenUDP("udp", &net.UDPAddr{ IP: address.IP(), Port: int(port), }) if err != nil { return nil, err } if option.ReceiveOriginalDest { fd, err := internal.GetSysFd(udpConn) if err != nil { log.Warning("UDP|Listener: Failed to get fd: ", err) return nil, err } err = SetOriginalDestOptions(fd) if err != nil { log.Warning("UDP|Listener: Failed to set socket options: ", err) return nil, err } } hub := &UDPHub{ conn: udpConn, queue: NewUDPPayloadQueue(option), option: option, cancel: signal.NewCloseSignal(), } go hub.start() return hub, nil }
func ListenUDP(address v2net.Address, port v2net.Port, option ListenOption) (*UDPHub, error) { udpConn, err := net.ListenUDP("udp", &net.UDPAddr{ IP: address.IP(), Port: int(port), }) if err != nil { return nil, err } if option.ReceiveOriginalDest { fd, err := internal.GetSysFd(udpConn) if err != nil { log.Warning("UDP|Listener: Failed to get fd: ", err) return nil, err } err = SetOriginalDestOptions(fd) if err != nil { log.Warning("UDP|Listener: Failed to set socket options: ", err) return nil, err } } hub := &UDPHub{ conn: udpConn, option: option, } go hub.start() return hub, nil }
func (v *RawConnection) SysFd() (int, error) { return internal.GetSysFd(&v.TCPConn) }
func (v *Connection) SysFd() (int, error) { return internal.GetSysFd(v.conn) }
func (this *RawConnection) SysFd() (int, error) { return internal.GetSysFd(&this.TCPConn) }
func (this *Connection) SysFd() (int, error) { return internal.GetSysFd(this.conn) }