970643b144
* Fix: goroutine leak while closing proxy * Chore: improve proxy architecture * Fix: stack overflow
64 lines
1 KiB
Go
64 lines
1 KiB
Go
package socks
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import (
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"net"
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"github.com/Dreamacro/clash/adapters/inbound"
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"github.com/Dreamacro/clash/tunnel"
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"github.com/Dreamacro/go-shadowsocks2/socks"
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log "github.com/sirupsen/logrus"
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)
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var (
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tun = tunnel.Instance()
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)
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type sockListener struct {
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net.Listener
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address string
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closed bool
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}
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func NewSocksProxy(addr string) (*sockListener, error) {
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l, err := net.Listen("tcp", addr)
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if err != nil {
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return nil, err
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}
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sl := &sockListener{l, addr, false}
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go func() {
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log.Infof("SOCKS proxy listening at: %s", addr)
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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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go handleSocks(c)
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}
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}()
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return sl, nil
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}
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func (l *sockListener) Close() {
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l.closed = true
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l.Listener.Close()
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}
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func (l *sockListener) Address() string {
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return l.address
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}
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func handleSocks(conn net.Conn) {
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target, err := socks.Handshake(conn)
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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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conn.(*net.TCPConn).SetKeepAlive(true)
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tun.Add(adapters.NewSocket(target, conn))
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}
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