func (s TorPTTransport) Parse() (starter server.Starter, err error) {
handler := server.NewHandler(s.Name)
remoteAddr := server.NewOption("remoteaddr")
err = remoteAddr.Required()
if err != nil {
handler.PrintError(err.Error())
return
}
s.RemoteAddr = remoteAddr.Get()
secret := server.NewOption("secret")
err = secret.Required()
if err != nil {
handler.PrintError(err.Error())
return
}
err = s.Args.UnmarshalJSON([]byte(secret.Get()))
if err != nil {
handler.PrintError(err.Error())
return
}
handler.PrintVersion()
return s, nil
}
func (m MockTransport) Parse() (starter server.Starter, err error) {
handler := server.NewHandler(m.Name)
handler.PrintVersion()
bindAddr := server.NewOption("bindaddr")
m.BindAddr = bindAddr.Get()
return m, nil
}
func (m MockTransport) Start() error {
handler := server.NewHandler(m.Name)
if failToStart {
return handler.PrintError("no fun")
} else {
handler.PrintExpose("socks5", "127.0.0.1:1")
handler.PrintDone()
}
return nil
}
func (s Socks5Transport) Start() error {
handler := server.NewHandler(s.Name)
socksConf := &socks5.Config{}
server, err := socks5.New(socksConf)
if err != nil {
_ = handler.PrintError(err.Error())
return err
}
listener, err := net.Listen("tcp", s.BindAddr)
if err != nil {
_ = handler.PrintError(err.Error())
return err
}
listener = handler.MonitorListener(listener)
defer func() {
err := listener.Close()
if err != nil {
handler.Logln(err)
}
}()
handler.PrintExpose("socks5", listener.Addr().String())
handler.PrintDone()
serve := func(l net.Listener) error {
for {
conn, err := l.Accept()
if err != nil {
return err
}
go func(conn net.Conn) {
conn = handler.MonitorConn(conn)
defer handler.TrackCloseConn(conn.RemoteAddr().String())
handler.TrackOpenConn(conn.RemoteAddr().String())
err := server.ServeConn(conn)
if err != nil {
handler.Logln(err)
}
}(conn)
}
}
go func() {
err = serve(listener)
if err != nil {
handler.Fatal(err)
}
}()
handler.Wait()
return nil
}
func (s Socks5Transport) Parse() (starter server.Starter, err error) {
handler := server.NewHandler(s.Name)
err = handler.PrintVersion()
if err != nil {
return nil, err
}
// handler := server.NewHandler(s.Name)
bindAddr := server.NewOption("bindaddr")
s.BindAddr = bindAddr.Get()
return s, nil
}
func (s ShadowsocksTransport) Parse() (starter server.Starter, err error) {
handler := server.NewHandler(s.Name)
handler.PrintVersion()
bindAddr := server.NewOption("bindaddr")
bindAddr.Default("127.0.0.1:0")
_, bindPortStr, err := net.SplitHostPort(bindAddr.BindAddr())
if err != nil {
handler.PrintError(err.Error())
return
}
s.BindAddr = bindAddr.Get()
bindPort, err := strconv.Atoi(bindPortStr)
if err != nil {
handler.PrintError(err.Error())
return
}
s.BindPort = bindPort
remoteAddr := server.NewOption("remoteaddr")
err = remoteAddr.Required()
if err != nil {
handler.PrintError(err.Error())
return
}
s.RemoteAddr = remoteAddr.Get()
remoteHost, remotePortStr, err := net.SplitHostPort(remoteAddr.Get())
if err != nil {
handler.PrintError(err.Error())
return
}
s.RemoteHost = remoteHost
remotePort, err := strconv.Atoi(remotePortStr)
if err != nil {
handler.PrintError(err.Error())
return
}
s.RemotePort = remotePort
secret := server.NewOption("secret")
err = secret.Required()
if err != nil {
handler.PrintError(err.Error())
return
}
s.Secret = secret.Get()
return s, nil
}
func (s ShadowsocksTransport) Start() error {
handler := server.NewHandler(s.Name)
listener, err := net.Listen("tcp", s.BindAddr)
if err != nil {
listener, err = net.Listen("tcp", "127.0.0.1:0")
}
if err != nil {
handler.PrintError("CANNOT BIND TO ANY PORT")
return errors.New("Cannot bind to any port")
}
listener = handler.MonitorListener(listener)
handler.PrintExpose("socks5", listener.Addr().String())
config := &ss.Config{
Server: s.RemoteHost,
ServerPort: s.RemotePort,
Password: s.Secret,
LocalPort: s.BindPort,
Method: "aes-256-cfb",
}
parseServerConfig(config)
handler.PrintDone()
verbose := server.NewOption("verbose")
if verbose.Has() {
s.Verbose = true
ss.SetDebug(true)
debug = true
}
go func() {
for {
defer listener.Close()
conn, err := listener.Accept()
if err != nil {
debug.Println("accept:", err)
continue
}
go func(conn net.Conn) {
conn = handler.MonitorConn(conn)
if debug {
debug.Printf("socks connect from %s\n", conn.RemoteAddr().String())
}
closed := false
defer func() {
if !closed {
conn.Close()
}
}()
var err error = nil
if err = handShake(conn); err != nil {
debug.Printf("socks handshake: %s", err)
return
}
rawaddr, addr, err := getRequest(conn)
if err != nil {
debug.Println("error getting request:", err)
return
}
// Sending connection established message immediately to client.
// This some round trip time for creating socks connection with the client.
// But if connection failed, the client will get connection reset error.
_, err = conn.Write([]byte{0x05, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x08, 0x43})
if err != nil {
debug.Println("send connection confirmation:", err)
return
}
remote, err := createServerConn(rawaddr, addr)
if err != nil {
if len(servers.srvCipher) > 1 {
debug.Println("Failed connect to all avaiable shadowsocks server")
}
return
}
handler.TrackOpenConn(addr)
defer func() {
if !closed {
remote.Close()
}
}()
go ss.PipeThenClose(conn, remote)
ss.PipeThenClose(remote, conn)
closed = true
handler.TrackCloseConn(addr)
}(conn)
}
}()
handler.Wait()
return nil
}
func (s TorPTTransport) Start() error {
handler := server.NewHandler(s.Name)
client := ptc.Client{
Config: ptc.Config{
ExitOnStdinClose: true,
StateLocation: configdir,
Command: os.Args[0],
},
Methods: []string{s.Name},
}
err := client.Start()
if err != nil {
_ = handler.PrintError(err.Error())
return err
}
ptmethod, err := client.Method(s.Name)
if err != nil {
handler.PrintError(err.Error())
return err
}
dialconf := ptc.PTDialMethodConfig{
Args: s.Args,
ClientAddr: ptmethod.Addr.String(),
ServerAddr: s.RemoteAddr,
}
dialer, err := dialconf.ClientDialer()
if err != nil {
panic(err)
}
listener, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
log.Fatalf("Failed to setup listener: %v", err)
}
handler.PrintExpose("socks5", listener.Addr().String())
handler.PrintDone()
forward := func(conn net.Conn) {
conn = handler.MonitorConn(conn)
client, err := dialer.Dial("tcp", s.RemoteAddr)
if err != nil {
log.Println(err)
}
client = handler.MonitorConn(client)
defer client.Close()
defer conn.Close()
if err != nil {
log.Fatalf("Dial failed: %v", err)
}
// log.Printf("Connected to localhost %v\n", conn)
var wg sync.WaitGroup
wg.Add(2)
go func() {
defer wg.Done()
_, err := io.Copy(client, conn)
if err != nil {
log.Println("error", err)
}
}()
go func() {
defer wg.Done()
_, err := io.Copy(conn, client)
if err != nil {
log.Println("error", err)
}
}()
wg.Wait()
}
listener = handler.MonitorListener(listener)
go func() {
for {
conn, err := listener.Accept()
if err != nil {
log.Fatalf("ERROR: failed to accept listener: %v", err)
}
// log.Printf("Accepted connection %v\n", conn)
go forward(conn)
}
}()
handler.Wait()
err = client.Kill()
if err != nil {
log.Println(err)
}
return nil
}
