// relay udp data
func (s *UDPRelay) relay(rawAddr []byte) (err error) {
cg := mika.NewCryptoGenerator("aes-128-cfb", "123456")
cipher := cg.NewCrypto()
mikaConn, err := mika.DailWithRawAddr("udp", ":8080", rawAddr, cipher)
if err != nil {
return
}
defer mikaConn.Close()
go protocols.Pipe(s.conn, mikaConn)
protocols.Pipe(mikaConn, s.conn)
return
}
func main() {
conf := utils.ParseSeverConf()
for _, s := range conf.Server {
se := &server{
address: fmt.Sprintf("%s:%d", s.Address, s.Port),
cg: mika.NewCryptoGenerator(s.Method, s.Password),
}
servers = append(servers, se)
}
if len(servers) <= 0 {
utils.Fatalf("Please configure server")
}
for _, localConf := range conf.Local {
tcpServe(localConf)
}
}
func listen(serverInfo *utils.ServerConf) {
nl, err := net.Listen("tcp", fmt.Sprintf("%s:%d", serverInfo.Address, serverInfo.Port))
if err != nil {
utils.Fatalf("Create server error %s", err)
}
utils.Infof("Listen on %d\n", serverInfo.Port)
cg := mika.NewCryptoGenerator(serverInfo.Method, serverInfo.Password)
for {
c, err := nl.Accept()
if err != nil {
utils.Errorf("Accept connection error %s", err)
continue
}
go func() {
tcpConn := &tcp.Conn{c, time.Duration(serverInfo.Timeout) * time.Second}
handle(tcpConn, cg)
}()
}
}