2022-11-11 12:56:08 +00:00
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package sing_vmess
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import (
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"context"
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"net"
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"net/url"
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"strings"
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"github.com/Dreamacro/clash/adapter/inbound"
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C "github.com/Dreamacro/clash/constant"
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"github.com/Dreamacro/clash/listener/sing"
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"github.com/Dreamacro/clash/log"
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vmess "github.com/sagernet/sing-vmess"
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"github.com/sagernet/sing/common/metadata"
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)
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type Listener struct {
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closed bool
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config string
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listeners []net.Listener
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service *vmess.Service[string]
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}
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var _listener *Listener
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2022-12-04 06:37:52 +00:00
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func New(config string, tcpIn chan<- C.ConnContext, udpIn chan<- C.PacketAdapter) (*Listener, error) {
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2022-11-11 12:56:08 +00:00
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addr, username, password, err := parseVmessURL(config)
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if err != nil {
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return nil, err
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}
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h := &sing.ListenerHandler{
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TcpIn: tcpIn,
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UdpIn: udpIn,
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Type: C.VMESS,
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}
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service := vmess.NewService[string](h)
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err = service.UpdateUsers([]string{username}, []string{password}, []int{1})
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if err != nil {
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return nil, err
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}
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err = service.Start()
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if err != nil {
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return nil, err
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}
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sl := &Listener{false, config, nil, service}
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_listener = sl
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for _, addr := range strings.Split(addr, ",") {
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addr := addr
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//TCP
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2022-11-16 02:43:16 +00:00
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l, err := inbound.Listen("tcp", addr)
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2022-11-11 12:56:08 +00:00
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if err != nil {
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return nil, err
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}
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sl.listeners = append(sl.listeners, l)
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go func() {
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log.Infoln("Vmess proxy listening at: %s", l.Addr().String())
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for {
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c, err := l.Accept()
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if err != nil {
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if sl.closed {
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break
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}
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continue
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}
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_ = c.(*net.TCPConn).SetKeepAlive(true)
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2022-11-11 14:44:44 +00:00
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go sl.HandleConn(c, tcpIn)
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2022-11-11 12:56:08 +00:00
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}
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}()
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}
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return sl, nil
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}
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2022-12-04 16:20:50 +00:00
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func (l *Listener) Close() error {
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2022-11-11 12:56:08 +00:00
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l.closed = true
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2022-12-04 16:20:50 +00:00
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var retErr error
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2022-11-11 12:56:08 +00:00
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for _, lis := range l.listeners {
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2022-12-04 16:20:50 +00:00
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err := lis.Close()
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if err != nil {
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retErr = err
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}
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2022-11-11 12:56:08 +00:00
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}
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2022-12-04 16:20:50 +00:00
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err := l.service.Close()
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if err != nil {
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retErr = err
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}
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return retErr
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2022-11-11 12:56:08 +00:00
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}
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func (l *Listener) Config() string {
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return l.config
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}
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2022-12-04 16:20:50 +00:00
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func (l *Listener) AddrList() (addrList []net.Addr) {
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for _, lis := range l.listeners {
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addrList = append(addrList, lis.Addr())
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}
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return
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}
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2022-11-11 14:44:44 +00:00
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func (l *Listener) HandleConn(conn net.Conn, in chan<- C.ConnContext) {
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2022-11-11 12:56:08 +00:00
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err := l.service.NewConnection(context.TODO(), conn, metadata.Metadata{
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Protocol: "vmess",
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Source: metadata.ParseSocksaddr(conn.RemoteAddr().String()),
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})
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if err != nil {
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_ = conn.Close()
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return
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}
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}
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2022-11-11 14:44:44 +00:00
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func HandleVmess(conn net.Conn, in chan<- C.ConnContext) bool {
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2022-11-11 12:56:08 +00:00
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if _listener != nil && _listener.service != nil {
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2022-11-11 14:44:44 +00:00
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go _listener.HandleConn(conn, in)
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2022-11-11 12:56:08 +00:00
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return true
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}
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return false
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}
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func parseVmessURL(s string) (addr, username, password string, err error) {
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u, err := url.Parse(s)
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if err != nil {
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return
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}
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addr = u.Host
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if u.User != nil {
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username = u.User.Username()
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password, _ = u.User.Password()
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}
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return
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}
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