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116 lines
3.1 KiB
116 lines
3.1 KiB
// 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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"reflect" |
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"strings" |
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v1 "github.com/fatedier/frp/pkg/config/v1" |
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"github.com/fatedier/frp/pkg/util/util" |
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"github.com/fatedier/frp/pkg/util/vhost" |
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) |
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func init() { |
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RegisterProxyFactory(reflect.TypeOf(&v1.TCPMuxProxyConfig{}), NewTCPMuxProxy) |
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} |
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type TCPMuxProxy struct { |
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*BaseProxy |
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cfg *v1.TCPMuxProxyConfig |
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} |
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func NewTCPMuxProxy(baseProxy *BaseProxy) Proxy { |
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unwrapped, ok := baseProxy.GetConfigurer().(*v1.TCPMuxProxyConfig) |
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if !ok { |
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return nil |
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} |
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return &TCPMuxProxy{ |
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BaseProxy: baseProxy, |
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cfg: unwrapped, |
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} |
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} |
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func (pxy *TCPMuxProxy) httpConnectListen( |
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domain, routeByHTTPUser, httpUser, httpPwd string, addrs []string) ([]string, error, |
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) { |
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var l net.Listener |
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var err error |
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routeConfig := &vhost.RouteConfig{ |
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Domain: domain, |
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RouteByHTTPUser: routeByHTTPUser, |
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Username: httpUser, |
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Password: httpPwd, |
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} |
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if pxy.cfg.LoadBalancer.Group != "" { |
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l, err = pxy.rc.TCPMuxGroupCtl.Listen(pxy.ctx, pxy.cfg.Multiplexer, |
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pxy.cfg.LoadBalancer.Group, pxy.cfg.LoadBalancer.GroupKey, *routeConfig) |
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} else { |
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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], group [%s] routeByHTTPUser [%s]", |
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domain, pxy.cfg.LoadBalancer.Group, pxy.cfg.RouteByHTTPUser) |
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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, pxy.cfg.RouteByHTTPUser, pxy.cfg.HTTPUser, pxy.cfg.HTTPPassword, 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, |
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pxy.cfg.RouteByHTTPUser, pxy.cfg.HTTPUser, pxy.cfg.HTTPPassword, 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.startCommonTCPListenersHandler() |
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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 v1.TCPMultiplexerType(pxy.cfg.Multiplexer) { |
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case v1.TCPMultiplexerHTTPConnect: |
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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) Close() { |
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pxy.BaseProxy.Close() |
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}
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