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)
}