forked from Mxmilu666/frp
20afe25ef1
modified: src/frp/models/server/server.go modified: src/frp/utils/conn/conn.go modified: src/frp/utils/pcrypto/pcrypto.go modified: src/frp/utils/pcrypto/pcrypto_test.go
90 lines
2.2 KiB
Go
90 lines
2.2 KiB
Go
// Copyright 2016 fatedier, fatedier@gmail.com
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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 client
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import (
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"encoding/json"
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"frp/models/consts"
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"frp/models/msg"
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"frp/utils/conn"
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"frp/utils/log"
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)
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type ProxyClient struct {
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Name string
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Passwd string
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LocalIp string
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LocalPort int64
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}
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func (p *ProxyClient) GetLocalConn() (c *conn.Conn, err error) {
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c, err = conn.ConnectServer(p.LocalIp, p.LocalPort)
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if err != nil {
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log.Error("ProxyName [%s], connect to local port error, %v", p.Name, err)
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}
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return
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}
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func (p *ProxyClient) GetRemoteConn(addr string, port int64) (c *conn.Conn, err error) {
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defer func() {
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if err != nil {
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c.Close()
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}
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}()
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c, err = conn.ConnectServer(addr, port)
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if err != nil {
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log.Error("ProxyName [%s], connect to server [%s:%d] error, %v", p.Name, addr, port, err)
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return
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}
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req := &msg.ClientCtlReq{
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Type: consts.WorkConn,
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ProxyName: p.Name,
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Passwd: p.Passwd,
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}
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buf, _ := json.Marshal(req)
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err = c.Write(string(buf) + "\n")
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if err != nil {
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log.Error("ProxyName [%s], write to server error, %v", p.Name, err)
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return
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}
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err = nil
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return
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}
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func (p *ProxyClient) StartTunnel(serverAddr string, serverPort int64) (err error) {
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localConn, err := p.GetLocalConn()
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if err != nil {
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return
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}
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remoteConn, err := p.GetRemoteConn(serverAddr, serverPort)
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if err != nil {
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return
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}
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// l means local, r means remote
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log.Debug("Join two conns, (l[%s] r[%s]) (l[%s] r[%s])", localConn.GetLocalAddr(), localConn.GetRemoteAddr(),
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remoteConn.GetLocalAddr(), remoteConn.GetRemoteAddr())
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// go conn.Join(localConn, remoteConn)
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go conn.PipeEncryptoWriter(localConn.TcpConn, remoteConn.TcpConn, p.Passwd)
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go conn.PipeDecryptoReader(remoteConn.TcpConn, localConn.TcpConn, p.Passwd)
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return nil
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}
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