2 GoVPN -- simple secure free software virtual private network daemon
3 Copyright (C) 2014-2018 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 (c *Client) proxyTCP() {
32 proxyAddr, err := net.ResolveTCPAddr("tcp", c.config.ProxyAddress)
37 conn, err := net.DialTCP("tcp", nil, proxyAddr)
42 req := "CONNECT " + c.config.ProxyAddress + " HTTP/1.1\n"
43 req += "Host: " + c.config.ProxyAddress + "\n"
44 if c.config.ProxyAuthentication != "" {
45 req += "Proxy-Authorization: Basic "
46 req += base64.StdEncoding.EncodeToString([]byte(c.config.ProxyAuthentication)) + "\n"
49 conn.Write([]byte(req))
50 resp, err := http.ReadResponse(
51 bufio.NewReader(conn),
52 &http.Request{Method: "CONNECT"},
54 if err != nil || resp.StatusCode != http.StatusOK {
55 c.Error <- fmt.Errorf("Unexpected response from proxy: %s", err.Error())
58 govpn.Printf(`[proxy-connected remote="%s" addr="%s"]`, c.config.RemoteAddress, *proxyAddr)