Example #1
0
func clientSocksAuth(conn net.Conn, username, password string) error {
	if err := gosocks5.NewUserPassRequest(
		gosocks5.UserPassVer, username, password).Write(conn); err != nil {
		return err
	}
	res, err := gosocks5.ReadUserPassResponse(conn)
	if err != nil {
		return err
	}
	if res.Status != gosocks5.Succeeded {
		return gosocks5.ErrAuthFailure
	}

	return nil
}
Example #2
0
func (selector *clientSelector) OnSelected(method uint8, conn net.Conn) (net.Conn, error) {
	switch method {
	case MethodTLS:
		conn = tls.Client(conn, &tls.Config{InsecureSkipVerify: true})

	case gosocks5.MethodUserPass, MethodTLSAuth:
		if method == MethodTLSAuth {
			conn = tls.Client(conn, &tls.Config{InsecureSkipVerify: true})
		}

		var username, password string
		if selector.arg.User != nil {
			username = selector.arg.User.Username()
			password, _ = selector.arg.User.Password()
		}

		req := gosocks5.NewUserPassRequest(gosocks5.UserPassVer, username, password)
		if err := req.Write(conn); err != nil {
			if glog.V(LWARNING) {
				glog.Warningln("socks5 auth:", err)
			}
			return nil, err
		}
		if glog.V(LDEBUG) {
			glog.Infoln(req)
		}

		res, err := gosocks5.ReadUserPassResponse(conn)
		if err != nil {
			if glog.V(LWARNING) {
				glog.Warningln("socks5 auth:", err)
			}
			return nil, err
		}
		if glog.V(LDEBUG) {
			glog.Infoln(res)
		}

		if res.Status != gosocks5.Succeeded {
			return nil, gosocks5.ErrAuthFailure
		}
	case gosocks5.MethodNoAcceptable:
		return nil, gosocks5.ErrBadMethod
	}

	return conn, nil
}