68 lines
1.2 KiB
Go
68 lines
1.2 KiB
Go
package tunnel
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import (
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"net"
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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/log"
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"github.com/Dreamacro/clash/transport/socks5"
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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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}
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func New(config string, in chan<- C.ConnContext) (*Listener, error) {
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tl := &Listener{false, config, nil}
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pl := PairList{}
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err := pl.Set(config)
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if err != nil {
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return nil, err
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}
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for _, p := range pl {
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addr := p[0]
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target := p[1]
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go func() {
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tgt := socks5.ParseAddr(target)
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if tgt == nil {
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log.Errorln("invalid target address %q", target)
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return
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}
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l, err := net.Listen("tcp", addr)
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if err != nil {
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return
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}
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tl.listeners = append(tl.listeners, l)
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log.Infoln("TCP tunnel %s <-> %s", l.Addr().String(), target)
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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 tl.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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in <- inbound.NewSocket(tgt, c, C.TCPTUN)
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}
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}()
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}
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return tl, nil
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}
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func (l *Listener) Close() {
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l.closed = true
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for _, lis := range l.listeners {
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_ = lis.Close()
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}
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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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