2 GoVPN -- simple secure free software virtual private network daemon
3 Copyright (C) 2014-2016 Sergey Matveev <stargrave@stargrave.org>
5 This program is free software: you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation, either version 3 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
28 "cypherpunks.ru/govpn"
31 func proxyTCP(timeouted, rehandshaking, termination chan struct{}) {
32 proxyAddr, err := net.ResolveTCPAddr("tcp", *proxyAddr)
34 log.Fatalln("Can not resolve proxy address:", err)
36 conn, err := net.DialTCP("tcp", nil, proxyAddr)
38 log.Fatalln("Can not connect to proxy:", err)
40 req := "CONNECT " + *remoteAddr + " HTTP/1.1\n"
41 req += "Host: " + *remoteAddr + "\n"
43 req += "Proxy-Authorization: Basic "
44 req += base64.StdEncoding.EncodeToString([]byte(*proxyAuth)) + "\n"
47 conn.Write([]byte(req))
48 resp, err := http.ReadResponse(
49 bufio.NewReader(conn),
50 &http.Request{Method: "CONNECT"},
52 if err != nil || resp.StatusCode != http.StatusOK {
53 log.Fatalln("Unexpected response from proxy")
55 govpn.Printf(`[proxy-connected remote="%s" addr="%s"]`, *remoteAddr, *proxyAddr)
56 go handleTCP(conn, timeouted, rehandshaking, termination)