mirror of https://github.com/fatedier/frp
97 lines
2.5 KiB
Go
97 lines
2.5 KiB
Go
// Copyright 2020 guylewin, guy@lewin.co.il
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package proxy
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import (
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"fmt"
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"net"
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"strings"
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"github.com/fatedier/frp/models/config"
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"github.com/fatedier/frp/models/consts"
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"github.com/fatedier/frp/utils/util"
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"github.com/fatedier/frp/utils/vhost"
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)
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type TcpMuxProxy struct {
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*BaseProxy
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cfg *config.TcpMuxProxyConf
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}
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func (pxy *TcpMuxProxy) httpConnectListen(domain string, addrs []string) (_ []string, err error) {
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var l net.Listener
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if pxy.cfg.Group != "" {
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l, err = pxy.rc.TcpMuxGroupCtl.Listen(pxy.cfg.Multiplexer, pxy.cfg.Group, pxy.cfg.GroupKey, domain, pxy.ctx)
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} else {
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routeConfig := &vhost.VhostRouteConfig{
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Domain: domain,
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}
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l, err = pxy.rc.TcpMuxHttpConnectMuxer.Listen(pxy.ctx, routeConfig)
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}
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if err != nil {
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return nil, err
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}
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pxy.xl.Info("tcpmux httpconnect multiplexer listens for host [%s]", domain)
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pxy.listeners = append(pxy.listeners, l)
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return append(addrs, util.CanonicalAddr(domain, pxy.serverCfg.TcpMuxHttpConnectPort)), nil
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}
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func (pxy *TcpMuxProxy) httpConnectRun() (remoteAddr string, err error) {
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addrs := make([]string, 0)
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for _, domain := range pxy.cfg.CustomDomains {
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if domain == "" {
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continue
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}
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addrs, err = pxy.httpConnectListen(domain, addrs)
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if err != nil {
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return "", err
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}
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}
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if pxy.cfg.SubDomain != "" {
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addrs, err = pxy.httpConnectListen(pxy.cfg.SubDomain+"."+pxy.serverCfg.SubDomainHost, addrs)
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if err != nil {
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return "", err
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}
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}
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pxy.startListenHandler(pxy, HandleUserTcpConnection)
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remoteAddr = strings.Join(addrs, ",")
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return remoteAddr, err
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}
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func (pxy *TcpMuxProxy) Run() (remoteAddr string, err error) {
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switch pxy.cfg.Multiplexer {
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case consts.HttpConnectTcpMultiplexer:
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remoteAddr, err = pxy.httpConnectRun()
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default:
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err = fmt.Errorf("unknown multiplexer [%s]", pxy.cfg.Multiplexer)
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}
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if err != nil {
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pxy.Close()
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}
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return remoteAddr, err
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}
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func (pxy *TcpMuxProxy) GetConf() config.ProxyConf {
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return pxy.cfg
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}
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func (pxy *TcpMuxProxy) Close() {
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pxy.BaseProxy.Close()
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}
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