mirror of
https://github.com/fatedier/frp.git
synced 2024-11-24 02:59:19 +08:00
96 lines
2.2 KiB
Go
96 lines
2.2 KiB
Go
// Copyright 2019 fatedier, fatedier@gmail.com
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package proxy
|
|
|
|
import (
|
|
"fmt"
|
|
"reflect"
|
|
|
|
"github.com/fatedier/golib/errors"
|
|
|
|
v1 "github.com/fatedier/frp/pkg/config/v1"
|
|
"github.com/fatedier/frp/pkg/msg"
|
|
)
|
|
|
|
func init() {
|
|
RegisterProxyFactory(reflect.TypeOf(&v1.XTCPProxyConfig{}), NewXTCPProxy)
|
|
}
|
|
|
|
type XTCPProxy struct {
|
|
*BaseProxy
|
|
cfg *v1.XTCPProxyConfig
|
|
|
|
closeCh chan struct{}
|
|
}
|
|
|
|
func NewXTCPProxy(baseProxy *BaseProxy) Proxy {
|
|
unwrapped, ok := baseProxy.GetConfigurer().(*v1.XTCPProxyConfig)
|
|
if !ok {
|
|
return nil
|
|
}
|
|
return &XTCPProxy{
|
|
BaseProxy: baseProxy,
|
|
cfg: unwrapped,
|
|
}
|
|
}
|
|
|
|
func (pxy *XTCPProxy) Run() (remoteAddr string, err error) {
|
|
xl := pxy.xl
|
|
|
|
if pxy.rc.NatHoleController == nil {
|
|
err = fmt.Errorf("xtcp is not supported in frps")
|
|
return
|
|
}
|
|
allowUsers := pxy.cfg.AllowUsers
|
|
// if allowUsers is empty, only allow same user from proxy
|
|
if len(allowUsers) == 0 {
|
|
allowUsers = []string{pxy.GetUserInfo().User}
|
|
}
|
|
sidCh, err := pxy.rc.NatHoleController.ListenClient(pxy.GetName(), pxy.cfg.Secretkey, allowUsers)
|
|
if err != nil {
|
|
return "", err
|
|
}
|
|
go func() {
|
|
for {
|
|
select {
|
|
case <-pxy.closeCh:
|
|
return
|
|
case sid := <-sidCh:
|
|
workConn, errRet := pxy.GetWorkConnFromPool(nil, nil)
|
|
if errRet != nil {
|
|
continue
|
|
}
|
|
m := &msg.NatHoleSid{
|
|
Sid: sid,
|
|
}
|
|
errRet = msg.WriteMsg(workConn, m)
|
|
if errRet != nil {
|
|
xl.Warnf("write nat hole sid package error, %v", errRet)
|
|
}
|
|
workConn.Close()
|
|
}
|
|
}
|
|
}()
|
|
return
|
|
}
|
|
|
|
func (pxy *XTCPProxy) Close() {
|
|
pxy.BaseProxy.Close()
|
|
pxy.rc.NatHoleController.CloseClient(pxy.GetName())
|
|
_ = errors.PanicToError(func() {
|
|
close(pxy.closeCh)
|
|
})
|
|
}
|