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5b237745
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Scott Ullrich
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<?php
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b1ad443d
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Scott Ullrich
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/* $Id$ */
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/*
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$RCSfile$
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33ab8aa5
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Scott Ullrich
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Copyright (C) 2008 Scott Ullrich <sullrich@gmail.com>
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All rights reserved.
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b1ad443d
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Scott Ullrich
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Copyright (C) 2006 Fernando Lemos
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All rights reserved.
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33ab8aa5
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Scott Ullrich
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This file was rewritten from scratch by Fernando Lemos but
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*MIGHT* contain code previously written by:
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b1ad443d
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Scott Ullrich
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Copyright (C) 2005 Peter Allgeyer <allgeyer_AT_web.de>
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All rights reserved.
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Copyright (C) 2004 Peter Curran (peter@closeconsultants.com).
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notices,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notices, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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*/
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| 43 |
f432e364
|
Matthew Grooms
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/* DISABLE_PHP_LINT_CHECKING */
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| 44 |
b1ad443d
|
Scott Ullrich
|
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| 45 |
8dc3ef67
|
Scott Ullrich
|
require_once('config.inc');
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| 46 |
6a418ab7
|
Scott Ullrich
|
require_once('globals.inc');
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| 47 |
36df0acc
|
Scott Ullrich
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require_once('pfsense-utils.inc');
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| 48 |
8dc3ef67
|
Scott Ullrich
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require_once('util.inc');
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| 49 |
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| 50 |
8411b218
|
Matthew Grooms
|
$openvpn_prots = array("UDP", "TCP");
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| 51 |
702a4702
|
Scott Ullrich
|
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| 52 |
3c11bd3c
|
Matthew Grooms
|
/*
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| 53 |
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* The User Auth mode below is disabled because
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| 54 |
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* OpenVPN erroneously requires that we provide
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* a CA configuration parameter. In this mode,
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* clients don't send a certificate so there is
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* no need for a CA. If we require that admins
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* provide one in the pfSense UI due to a bogus
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* requirement imposed by OpenVPN, it could be
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* considered very confusing ( I know I was ).
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*
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* -mgrooms
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*/
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| 64 |
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| 65 |
fe787fc7
|
Matthew Grooms
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$openvpn_dh_lengths = array(
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| 66 |
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1024, 2048, 4096 );
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| 67 |
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| 68 |
3c11bd3c
|
Matthew Grooms
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$openvpn_server_modes = array(
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'p2p_tls' => "Peer to Peer ( SSL/TLS )",
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'p2p_shared_key' => "Peer to Peer ( Shared Key )",
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'server_tls' => "Remote Access ( SSL/TLS )",
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// 'server_user' => "Remote Access ( User Auth )",
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'server_tls_user' => "Remote Access ( SSL/TLS + User Auth )");
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$openvpn_client_modes = array(
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'p2p_tls' => "Peer to Peer ( SSL/TLS )",
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'p2p_shared_key' => "Peer to Peer ( Shared Key )" );
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function openvpn_create_key() {
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$fp = popen("/usr/local/sbin/openvpn --genkey --secret /dev/stdout 2>/dev/null", "r");
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if (!$fp)
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return false;
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$rslt = stream_get_contents($fp);
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pclose($fp);
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return $rslt;
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}
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| 90 |
d799787e
|
Matthew Grooms
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| 91 |
8411b218
|
Matthew Grooms
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function openvpn_create_dhparams($bits) {
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| 92 |
34bc1324
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Matthew Grooms
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3c11bd3c
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Matthew Grooms
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$fp = popen("/usr/bin/openssl dhparam {$bits} 2>/dev/null", "r");
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34bc1324
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Matthew Grooms
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if (!$fp)
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return false;
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$rslt = stream_get_contents($fp);
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pclose($fp);
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return $rslt;
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}
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| 103 |
d799787e
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Matthew Grooms
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function openvpn_vpnid_used($vpnid) {
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8be2d6d3
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Ermal Luçi
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global $config;
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d799787e
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Matthew Grooms
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if (is_array($config['openvpn']['openvpn-server']))
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dc408939
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Matthew Grooms
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foreach ($config['openvpn']['openvpn-server'] as & $settings)
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f432e364
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Matthew Grooms
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if ($vpnid == $settings['vpnid'])
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d799787e
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Matthew Grooms
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return true;
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if (is_array($config['openvpn']['openvpn-client']))
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dc408939
|
Matthew Grooms
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foreach ($config['openvpn']['openvpn-client'] as & $settings)
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f432e364
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Matthew Grooms
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if ($vpnid == $settings['vpnid'])
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d799787e
|
Matthew Grooms
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return true;
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| 115 |
04a6e900
|
Ermal Luçi
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d799787e
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Matthew Grooms
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return false;
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}
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function openvpn_vpnid_next() {
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$vpnid = 1;
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while(openvpn_vpnid_used($vpnid))
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$vpnid++;
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return $vpnid;
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}
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| 128 |
f432e364
|
Matthew Grooms
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function openvpn_port_used($prot, $port) {
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global $config;
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if (is_array($config['openvpn']['openvpn-server']))
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| 132 |
dc408939
|
Matthew Grooms
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foreach ($config['openvpn']['openvpn-server'] as & $settings)
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f432e364
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Matthew Grooms
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if ($port == $settings['local_port'] &&
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$prot == $settings['protocol'])
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return $settings['vpnid'];
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if (is_array($config['openvpn']['openvpn-client']))
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dc408939
|
Matthew Grooms
|
foreach ($config['openvpn']['openvpn-client'] as & $settings)
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| 139 |
f432e364
|
Matthew Grooms
|
if ($port == $settings['local_port'] &&
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$prot == $settings['protocol'])
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return $settings['vpnid'];
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return 0;
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| 144 |
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}
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| 146 |
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function openvpn_port_next($prot) {
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| 148 |
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$port = 1194;
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while(openvpn_port_used($prot, $port))
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$port++;
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return $port;
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}
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| 154 |
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| 155 |
d799787e
|
Matthew Grooms
|
function openvpn_get_cipherlist() {
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| 156 |
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$ciphers = array();
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$cipher_out = shell_exec('openvpn --show-ciphers | grep "default key" | awk \'{print $1, "(" $2 "-" $3 ")";}\'');
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$cipher_lines = explode("\n", trim($cipher_out));
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sort($cipher_lines);
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foreach ($cipher_lines as $line) {
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$words = explode(' ', $line);
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$ciphers[$words[0]] = "{$words[0]} {$words[1]}";
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| 164 |
8be2d6d3
|
Ermal Luçi
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}
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| 165 |
d799787e
|
Matthew Grooms
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| 166 |
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return $ciphers;
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| 167 |
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}
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| 168 |
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| 169 |
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function openvpn_validate_host($value, $name) {
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| 170 |
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$value = trim($value);
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| 171 |
3e2bd5de
|
Ermal Lu?i
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if (empty($value) || (!is_domain($value) && !is_ipaddr($value)))
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| 172 |
d799787e
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Matthew Grooms
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return "The field '$name' must contain a valid IP address or domain name.";
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return false;
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| 174 |
8dc3ef67
|
Scott Ullrich
|
}
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| 175 |
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| 176 |
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function openvpn_validate_port($value, $name) {
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| 177 |
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$value = trim($value);
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| 178 |
3e2bd5de
|
Ermal Lu?i
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if (empty($value) || !is_numeric($value) || $value < 0 || ($value > 65535))
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| 179 |
8dc3ef67
|
Scott Ullrich
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return "The field '$name' must contain a valid port, ranging from 0 to 65535.";
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| 180 |
b398bbca
|
Martin Fuchs
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return false;
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| 181 |
8dc3ef67
|
Scott Ullrich
|
}
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| 182 |
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| 183 |
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function openvpn_validate_cidr($value, $name) {
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| 184 |
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$value = trim($value);
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| 185 |
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if (!empty($value)) {
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| 186 |
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list($ip, $mask) = explode('/', $value);
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| 187 |
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if (!is_ipaddr($ip) or !is_numeric($mask) or ($mask > 32) or ($mask < 0))
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| 188 |
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return "The field '$name' must contain a valid CIDR range.";
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| 189 |
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}
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| 190 |
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return false;
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| 191 |
afb07cf1
|
Scott Ullrich
|
}
|
| 192 |
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| 193 |
d799787e
|
Matthew Grooms
|
function openvpn_add_dhcpopts(& $settings, & $conf) {
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| 194 |
afb07cf1
|
Scott Ullrich
|
|
| 195 |
d799787e
|
Matthew Grooms
|
if (!empty($settings['dns_domain']))
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| 196 |
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$conf .= "push \"dhcp-option DOMAIN {$settings['dns_domain']}\"\n";
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| 197 |
add2e3f7
|
Scott Ullrich
|
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| 198 |
d799787e
|
Matthew Grooms
|
if (!empty($settings['dns_server1']))
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| 199 |
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$conf .= "push \"dhcp-option DNS {$settings['dns_server1']}\"\n";
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| 200 |
|
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if (!empty($settings['dns_server2']))
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| 201 |
|
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$conf .= "push \"dhcp-option DNS {$settings['dns_server2']}\"\n";
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| 202 |
|
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if (!empty($settings['dns_server3']))
|
| 203 |
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$conf .= "push \"dhcp-option DNS {$settings['dns_server3']}\"\n";
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| 204 |
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if (!empty($settings['dns_server4']))
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| 205 |
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$conf .= "push \"dhcp-option DNS {$settings['dns_server4']}\"\n";
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| 206 |
f9927473
|
Scott Ullrich
|
|
| 207 |
d799787e
|
Matthew Grooms
|
if (!empty($settings['ntp_server1']))
|
| 208 |
|
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$conf .= "push \"dhcp-option NTP {$settings['dhcp_ntp']}\"\n";
|
| 209 |
|
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if (!empty($settings['ntp_server2']))
|
| 210 |
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$conf .= "push \"dhcp-option NTP {$settings['dhcp_ntp']}\"\n";
|
| 211 |
f9927473
|
Scott Ullrich
|
|
| 212 |
d799787e
|
Matthew Grooms
|
if ($settings['netbios_enable']) {
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| 213 |
add2e3f7
|
Scott Ullrich
|
|
| 214 |
095a95ae
|
Matthew Grooms
|
if (!empty($settings['dhcp_nbttype']) && ($settings['dhcp_nbttype'] != 0))
|
| 215 |
|
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$conf .= "push \"dhcp-option NBT {$settings['dhcp_nbttype']}\"\n";
|
| 216 |
|
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if (!empty($settings['dhcp_nbtscope']))
|
| 217 |
d799787e
|
Matthew Grooms
|
$conf .= "push \"dhcp-option NBS {$settings['dhcp_nbtscope']}\"\n";
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| 218 |
8dc3ef67
|
Scott Ullrich
|
|
| 219 |
d799787e
|
Matthew Grooms
|
if (!empty($settings['wins_server1']))
|
| 220 |
|
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$conf .= "push \"dhcp-option WINS {$settings['wins_server1']}\"\n";
|
| 221 |
|
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if (!empty($settings['wins_server2']))
|
| 222 |
|
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$conf .= "push \"dhcp-option WINS {$settings['wins_server2']}\"\n";
|
| 223 |
add2e3f7
|
Scott Ullrich
|
|
| 224 |
d799787e
|
Matthew Grooms
|
if (!empty($settings['nbdd_server1']))
|
| 225 |
|
|
$conf .= "push \"dhcp-option NBDD {$settings['nbdd_server1']}\"\n";
|
| 226 |
|
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}
|
| 227 |
8dc3ef67
|
Scott Ullrich
|
|
| 228 |
d799787e
|
Matthew Grooms
|
if ($settings['gwredir'])
|
| 229 |
|
|
$conf .= "push \"redirect-gateway def1\"\n";
|
| 230 |
|
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}
|
| 231 |
24012690
|
Scott Ullrich
|
|
| 232 |
d799787e
|
Matthew Grooms
|
function openvpn_add_custom(& $settings, & $conf) {
|
| 233 |
add2e3f7
|
Scott Ullrich
|
|
| 234 |
d799787e
|
Matthew Grooms
|
if ($settings['custom_options']) {
|
| 235 |
8dc3ef67
|
Scott Ullrich
|
|
| 236 |
d799787e
|
Matthew Grooms
|
$options = explode(';', $settings['custom_options']);
|
| 237 |
|
|
|
| 238 |
|
|
if (is_array($options)) {
|
| 239 |
|
|
foreach ($options as $option)
|
| 240 |
|
|
$conf .= "$option\n";
|
| 241 |
|
|
} else
|
| 242 |
|
|
$conf .= "{$settings['custom_options']}\n";
|
| 243 |
add2e3f7
|
Scott Ullrich
|
}
|
| 244 |
|
|
}
|
| 245 |
|
|
|
| 246 |
d799787e
|
Matthew Grooms
|
function openvpn_add_keyfile(& $data, & $conf, $mode_id, $directive) {
|
| 247 |
|
|
global $g;
|
| 248 |
add2e3f7
|
Scott Ullrich
|
|
| 249 |
d799787e
|
Matthew Grooms
|
$fpath = $g['varetc_path']."/openvpn/{$mode_id}.{$directive}";
|
| 250 |
|
|
file_put_contents($fpath, base64_decode($data));
|
| 251 |
|
|
chown($fpath, 'nobody');
|
| 252 |
|
|
chgrp($fpath, 'nobody');
|
| 253 |
|
|
|
| 254 |
|
|
$conf .= "{$directive} {$fpath}\n";
|
| 255 |
4eefa6e8
|
Scott Ullrich
|
}
|
| 256 |
|
|
|
| 257 |
dc408939
|
Matthew Grooms
|
function openvpn_reconfigure($mode,& $settings) {
|
| 258 |
add2e3f7
|
Scott Ullrich
|
global $g, $config;
|
| 259 |
afb07cf1
|
Scott Ullrich
|
|
| 260 |
93a0a028
|
Ermal Luçi
|
if (empty($settings))
|
| 261 |
|
|
return;
|
| 262 |
4eefa6e8
|
Scott Ullrich
|
if ($settings['disable'])
|
| 263 |
|
|
return;
|
| 264 |
|
|
|
| 265 |
fdd725f0
|
Ermal Luçi
|
/*
|
| 266 |
d799787e
|
Matthew Grooms
|
* NOTE: Deleting tap devices causes spontaneous reboots. Instead,
|
| 267 |
|
|
* we use a vpnid number which is allocated for a particular client
|
| 268 |
|
|
* or server configuration. ( see openvpn_vpnid_next() )
|
| 269 |
fdd725f0
|
Ermal Luçi
|
*/
|
| 270 |
8874c692
|
Ermal Luçi
|
|
| 271 |
d799787e
|
Matthew Grooms
|
$vpnid = $settings['vpnid'];
|
| 272 |
|
|
$mode_id = $mode.$vpnid;
|
| 273 |
8874c692
|
Ermal Luçi
|
|
| 274 |
dc408939
|
Matthew Grooms
|
$tunname = "tun{$vpnid}";
|
| 275 |
d799787e
|
Matthew Grooms
|
if ($mode == "server")
|
| 276 |
|
|
$devname = "ovpns{$vpnid}";
|
| 277 |
|
|
else
|
| 278 |
|
|
$devname = "ovpnc{$vpnid}";
|
| 279 |
8874c692
|
Ermal Luçi
|
|
| 280 |
dc408939
|
Matthew Grooms
|
/* is our device already configured */
|
| 281 |
|
|
if (mwexec("/sbin/ifconfig {$devname}")) {
|
| 282 |
|
|
|
| 283 |
|
|
/* create the tap device if required */
|
| 284 |
|
|
if (!file_exists("/dev/{$tunname}"))
|
| 285 |
|
|
exec("/sbin/ifconfig {$tunname} create");
|
| 286 |
98872d89
|
Ermal Luçi
|
|
| 287 |
dc408939
|
Matthew Grooms
|
/* rename the device */
|
| 288 |
|
|
mwexec("/sbin/ifconfig {$tunname} name {$devname}");
|
| 289 |
095a95ae
|
Matthew Grooms
|
|
| 290 |
|
|
/* add the device to the openvpn group */
|
| 291 |
|
|
mwexec("/sbin/ifconfig {$devname} group openvpn");
|
| 292 |
dc408939
|
Matthew Grooms
|
}
|
| 293 |
d799787e
|
Matthew Grooms
|
|
| 294 |
dc408939
|
Matthew Grooms
|
$pfile = $g['varrun_path'] . "/openvpn_{$mode_id}.pid";
|
| 295 |
c0cf27aa
|
Scott Ullrich
|
$proto = ($settings['protocol'] == 'UDP' ? 'udp' : "tcp-{$mode}");
|
| 296 |
|
|
$cipher = $settings['crypto'];
|
| 297 |
d799787e
|
Matthew Grooms
|
|
| 298 |
|
|
$interface = $settings['interface'];
|
| 299 |
|
|
if (!$interface)
|
| 300 |
|
|
$interface = 'WAN';
|
| 301 |
|
|
|
| 302 |
|
|
$iface = convert_friendly_interface_to_real_interface_name($interface);
|
| 303 |
dc408939
|
Matthew Grooms
|
$lines = explode(' ', trim(shell_exec("ifconfig {$iface} | grep inet | grep -v inet6")));
|
| 304 |
d799787e
|
Matthew Grooms
|
$iface_ip = $lines[1];
|
| 305 |
|
|
|
| 306 |
3c11bd3c
|
Matthew Grooms
|
$conf = "dev {$devname}\n";
|
| 307 |
|
|
$conf .= "dev-type tun\n";
|
| 308 |
|
|
$conf .= "dev-node /dev/{$tunname}\n";
|
| 309 |
|
|
$conf .= "writepid {$pfile}\n";
|
| 310 |
|
|
$conf .= "#user nobody\n";
|
| 311 |
|
|
$conf .= "#group nobody\n";
|
| 312 |
|
|
$conf .= "daemon\n";
|
| 313 |
|
|
$conf .= "keepalive 10 60\n";
|
| 314 |
|
|
$conf .= "ping-timer-rem\n";
|
| 315 |
|
|
$conf .= "persist-tun\n";
|
| 316 |
|
|
$conf .= "persist-key\n";
|
| 317 |
|
|
$conf .= "proto {$proto}\n";
|
| 318 |
|
|
$conf .= "cipher {$cipher}\n";
|
| 319 |
|
|
$conf .= "up /etc/rc.filter_configure\n";
|
| 320 |
|
|
$conf .= "down /etc/rc.filter_configure\n";
|
| 321 |
|
|
$conf .= "local {$iface_ip}\n";
|
| 322 |
|
|
|
| 323 |
|
|
// server specific settings
|
| 324 |
d799787e
|
Matthew Grooms
|
|
| 325 |
8dc3ef67
|
Scott Ullrich
|
if ($mode == 'server') {
|
| 326 |
d799787e
|
Matthew Grooms
|
|
| 327 |
|
|
list($ip, $mask) = explode('/', $settings['tunnel_network']);
|
| 328 |
8dc3ef67
|
Scott Ullrich
|
$mask = gen_subnet_mask($mask);
|
| 329 |
|
|
|
| 330 |
3c11bd3c
|
Matthew Grooms
|
// configure tls modes
|
| 331 |
|
|
switch($settings['mode']) {
|
| 332 |
|
|
case 'p2p_tls':
|
| 333 |
|
|
case 'server_tls':
|
| 334 |
|
|
case 'server_tls_user':
|
| 335 |
d799787e
|
Matthew Grooms
|
$conf .= "tls-server\n";
|
| 336 |
3c11bd3c
|
Matthew Grooms
|
break;
|
| 337 |
8dc3ef67
|
Scott Ullrich
|
}
|
| 338 |
d799787e
|
Matthew Grooms
|
|
| 339 |
3c11bd3c
|
Matthew Grooms
|
// configure p2p/server modes
|
| 340 |
|
|
switch($settings['mode']) {
|
| 341 |
|
|
case 'p2p_tls':
|
| 342 |
|
|
case 'p2p_shared_key':
|
| 343 |
|
|
$baselong = ip2long($ip) & ip2long($mask);
|
| 344 |
|
|
$ip1 = long2ip($baselong + 1);
|
| 345 |
|
|
$ip2 = long2ip($baselong + 2);
|
| 346 |
|
|
$conf .= "ifconfig $ip1 $ip2\n";
|
| 347 |
|
|
break;
|
| 348 |
|
|
case 'server_tls':
|
| 349 |
|
|
case 'server_user':
|
| 350 |
|
|
case 'server_tls_user':
|
| 351 |
|
|
$conf .= "server {$ip} {$mask}\n";
|
| 352 |
|
|
$conf .= "client-config-dir {$g['varetc_path']}/openvpn-csc\n";
|
| 353 |
|
|
break;
|
| 354 |
8dc3ef67
|
Scott Ullrich
|
}
|
| 355 |
|
|
|
| 356 |
3c11bd3c
|
Matthew Grooms
|
// configure user auth modes
|
| 357 |
|
|
switch($settings['mode']) {
|
| 358 |
|
|
case 'server_user':
|
| 359 |
|
|
$conf .= "client-cert-not-required\n";
|
| 360 |
|
|
case 'server_tls_user':
|
| 361 |
|
|
$conf .= "username-as-common-name\n";
|
| 362 |
|
|
$conf .= "auth-user-pass-verify /etc/inc/openvpn.auth-user.php via-env\n";
|
| 363 |
|
|
break;
|
| 364 |
8dc3ef67
|
Scott Ullrich
|
}
|
| 365 |
|
|
|
| 366 |
63084885
|
Matthew Grooms
|
// The local port to listen on
|
| 367 |
d799787e
|
Matthew Grooms
|
$conf .= "lport {$settings['local_port']}\n";
|
| 368 |
c0cf27aa
|
Scott Ullrich
|
|
| 369 |
63084885
|
Matthew Grooms
|
// The management port to listen on
|
| 370 |
|
|
$conf .= "management 127.0.0.1 {$settings['local_port']}\n";
|
| 371 |
|
|
|
| 372 |
3c11bd3c
|
Matthew Grooms
|
if ($settings['maxclients'])
|
| 373 |
d799787e
|
Matthew Grooms
|
$conf .= "max-clients {$settings['maxclients']}\n";
|
| 374 |
|
|
|
| 375 |
3c11bd3c
|
Matthew Grooms
|
// Can we push routes
|
| 376 |
|
|
if ($settings['local_network']) {
|
| 377 |
|
|
list($ip, $mask) = explode('/', $settings['local_network']);
|
| 378 |
|
|
$mask = gen_subnet_mask($mask);
|
| 379 |
|
|
$conf .= "push \"route $ip $mask\"\n";
|
| 380 |
|
|
}
|
| 381 |
|
|
|
| 382 |
|
|
// Configure client dhcp options
|
| 383 |
|
|
switch($settings['mode']) {
|
| 384 |
|
|
case 'server_tls':
|
| 385 |
|
|
case 'server_user':
|
| 386 |
|
|
case 'server_tls_user':
|
| 387 |
|
|
openvpn_add_dhcpopts($settings, $conf);
|
| 388 |
|
|
break;
|
| 389 |
|
|
}
|
| 390 |
d799787e
|
Matthew Grooms
|
}
|
| 391 |
|
|
|
| 392 |
3c11bd3c
|
Matthew Grooms
|
// client specific settings
|
| 393 |
d799787e
|
Matthew Grooms
|
|
| 394 |
3c11bd3c
|
Matthew Grooms
|
if ($mode == 'client') {
|
| 395 |
d799787e
|
Matthew Grooms
|
|
| 396 |
3c11bd3c
|
Matthew Grooms
|
// configure p2p mode
|
| 397 |
|
|
switch($settings['mode']) {
|
| 398 |
|
|
case 'p2p_tls':
|
| 399 |
|
|
$conf .= "tls-client\n";
|
| 400 |
|
|
case 'shared_key':
|
| 401 |
|
|
$conf .= "client\n";
|
| 402 |
|
|
break;
|
| 403 |
|
|
}
|
| 404 |
d799787e
|
Matthew Grooms
|
|
| 405 |
|
|
// The port we'll listen at
|
| 406 |
|
|
if ($settings['local_port'])
|
| 407 |
|
|
$conf .= "lport {$settings['local_port']}\n";
|
| 408 |
|
|
else
|
| 409 |
|
|
$conf .= "nobind\n";
|
| 410 |
8dc3ef67
|
Scott Ullrich
|
|
| 411 |
3c11bd3c
|
Matthew Grooms
|
// The remote server
|
| 412 |
|
|
$conf .= "remote {$settings['server_addr']} {$settings['server_port']}\n";
|
| 413 |
|
|
|
| 414 |
d799787e
|
Matthew Grooms
|
if (!empty($settings['use_shaper']))
|
| 415 |
|
|
$conf .= "shaper {$settings['use_shaper']}\n";
|
| 416 |
ee506044
|
Scott Ullrich
|
|
| 417 |
d799787e
|
Matthew Grooms
|
if (!empty($settings['tunnel_network'])) {
|
| 418 |
|
|
list($ip, $mask) = explode('/', $settings['tunnel_network']);
|
| 419 |
8dc3ef67
|
Scott Ullrich
|
$mask = gen_subnet_mask($mask);
|
| 420 |
|
|
$baselong = ip2long($ip) & ip2long($mask);
|
| 421 |
|
|
$ip1 = long2ip($baselong + 1);
|
| 422 |
|
|
$ip2 = long2ip($baselong + 2);
|
| 423 |
d799787e
|
Matthew Grooms
|
$conf .= "ifconfig $ip2 $ip1\n";
|
| 424 |
8dc3ef67
|
Scott Ullrich
|
}
|
| 425 |
d799787e
|
Matthew Grooms
|
|
| 426 |
3c11bd3c
|
Matthew Grooms
|
if ($settings['proxy_addr'])
|
| 427 |
d799787e
|
Matthew Grooms
|
$conf .= "http-proxy {$settings['proxy_addr']} {$settings['proxy_port']}\n";
|
| 428 |
8dc3ef67
|
Scott Ullrich
|
}
|
| 429 |
|
|
|
| 430 |
3c11bd3c
|
Matthew Grooms
|
// Add a remote network route if set
|
| 431 |
|
|
if ($settings['remote_network']) {
|
| 432 |
8dc3ef67
|
Scott Ullrich
|
list($ip, $mask) = explode('/', $settings['remote_network']);
|
| 433 |
|
|
$mask = gen_subnet_mask($mask);
|
| 434 |
d799787e
|
Matthew Grooms
|
$conf .= "route $ip $mask\n";
|
| 435 |
8dc3ef67
|
Scott Ullrich
|
}
|
| 436 |
afb07cf1
|
Scott Ullrich
|
|
| 437 |
d799787e
|
Matthew Grooms
|
// Write the settings for the keys
|
| 438 |
3c11bd3c
|
Matthew Grooms
|
switch($settings['mode']) {
|
| 439 |
|
|
case 'p2p_shared_key':
|
| 440 |
|
|
openvpn_add_keyfile($settings['shared_key'], $conf, $mode_id, "secret");
|
| 441 |
|
|
break;
|
| 442 |
|
|
case 'p2p_tls':
|
| 443 |
|
|
case 'server_tls':
|
| 444 |
|
|
case 'server_tls_user':
|
| 445 |
|
|
$ca = lookup_ca($settings['caref']);
|
| 446 |
|
|
openvpn_add_keyfile($ca['crt'], $conf, $mode_id, "ca");
|
| 447 |
|
|
case 'server_user':
|
| 448 |
|
|
$cert = lookup_cert($settings['certref']);
|
| 449 |
|
|
openvpn_add_keyfile($cert['crt'], $conf, $mode_id, "cert");
|
| 450 |
|
|
openvpn_add_keyfile($cert['prv'], $conf, $mode_id, "key");
|
| 451 |
|
|
if ($mode == 'server')
|
| 452 |
fe787fc7
|
Matthew Grooms
|
$conf .= "dh {$g['etc_path']}/dh-parameters.{$settings['dh_length']}\n";
|
| 453 |
3c11bd3c
|
Matthew Grooms
|
if ($settings['crl'])
|
| 454 |
|
|
openvpn_add_keyfile($settings['crl'], $conf, $mode_id, "crl-verify");
|
| 455 |
|
|
if ($settings['tls'])
|
| 456 |
|
|
openvpn_add_keyfile($settings['tls'], $conf, $mode_id, "tls-auth");
|
| 457 |
|
|
break;
|
| 458 |
8dc3ef67
|
Scott Ullrich
|
}
|
| 459 |
|
|
|
| 460 |
1cb0b40a
|
Matthew Grooms
|
if ($settings['compression'])
|
| 461 |
d799787e
|
Matthew Grooms
|
$conf .= "comp-lzo\n";
|
| 462 |
|
|
|
| 463 |
|
|
if ($settings['passtos'])
|
| 464 |
|
|
$conf .= "passtos\n";
|
| 465 |
|
|
|
| 466 |
|
|
if ($settings['resolve_retry'])
|
| 467 |
|
|
$conf .= "resolv-retry infinite\n";
|
| 468 |
|
|
|
| 469 |
|
|
if ($settings['dynamic_ip']) {
|
| 470 |
|
|
$conf .= "persist-remote-ip\n";
|
| 471 |
|
|
$conf .= "float\n";
|
| 472 |
8dc3ef67
|
Scott Ullrich
|
}
|
| 473 |
afb07cf1
|
Scott Ullrich
|
|
| 474 |
d799787e
|
Matthew Grooms
|
openvpn_add_custom($settings, $conf);
|
| 475 |
|
|
|
| 476 |
|
|
$fpath = $g['varetc_path']."/openvpn/{$mode_id}.conf";
|
| 477 |
|
|
file_put_contents($fpath, $conf);
|
| 478 |
|
|
chown($fpath, 'nobody');
|
| 479 |
|
|
chgrp($fpath, 'nobody');
|
| 480 |
|
|
}
|
| 481 |
|
|
|
| 482 |
dc408939
|
Matthew Grooms
|
function openvpn_restart($mode, & $settings) {
|
| 483 |
d799787e
|
Matthew Grooms
|
global $g, $config;
|
| 484 |
|
|
|
| 485 |
|
|
$vpnid = $settings['vpnid'];
|
| 486 |
|
|
$mode_id = $mode.$vpnid;
|
| 487 |
|
|
|
| 488 |
76369bfc
|
Matthew Grooms
|
/* kill the process if running */
|
| 489 |
705c8ec9
|
Matthew Grooms
|
$pfile = $g['varrun_path']."/openvpn_{$mode_id}.pid";
|
| 490 |
76369bfc
|
Matthew Grooms
|
if (file_exists($pfile)) {
|
| 491 |
705c8ec9
|
Matthew Grooms
|
|
| 492 |
76369bfc
|
Matthew Grooms
|
/* read the pid file */
|
| 493 |
|
|
$pid = rtrim(file_get_contents($pfile));
|
| 494 |
|
|
unlink($pfile);
|
| 495 |
705c8ec9
|
Matthew Grooms
|
|
| 496 |
76369bfc
|
Matthew Grooms
|
/* send a term signal to the process */
|
| 497 |
|
|
posix_kill($pid, SIGTERM);
|
| 498 |
|
|
|
| 499 |
|
|
/* wait until the process exits */
|
| 500 |
|
|
while(posix_kill($pid, 0))
|
| 501 |
|
|
usleep(250000);
|
| 502 |
|
|
}
|
| 503 |
d799787e
|
Matthew Grooms
|
|
| 504 |
|
|
if ($settings['disable'])
|
| 505 |
|
|
return;
|
| 506 |
|
|
|
| 507 |
705c8ec9
|
Matthew Grooms
|
/* start the new process */
|
| 508 |
d799787e
|
Matthew Grooms
|
$fpath = $g['varetc_path']."/openvpn/{$mode_id}.conf";
|
| 509 |
|
|
mwexec_bg("nohup openvpn --config {$fpath}");
|
| 510 |
|
|
touch("{$g['tmp_path']}/filter_dirty");
|
| 511 |
afb07cf1
|
Scott Ullrich
|
}
|
| 512 |
|
|
|
| 513 |
dc408939
|
Matthew Grooms
|
function openvpn_delete($mode, & $settings) {
|
| 514 |
d799787e
|
Matthew Grooms
|
global $g, $config;
|
| 515 |
|
|
|
| 516 |
|
|
$vpnid = $settings['vpnid'];
|
| 517 |
|
|
$mode_id = $mode.$vpnid;
|
| 518 |
|
|
|
| 519 |
095a95ae
|
Matthew Grooms
|
$tunname = "tun{$vpnid}";
|
| 520 |
|
|
if ($mode == "server")
|
| 521 |
|
|
$devname = "ovpns{$vpnid}";
|
| 522 |
|
|
else
|
| 523 |
|
|
$devname = "ovpnc{$vpnid}";
|
| 524 |
dc408939
|
Matthew Grooms
|
|
| 525 |
76369bfc
|
Matthew Grooms
|
/* kill the process if running */
|
| 526 |
dc408939
|
Matthew Grooms
|
$pfile = "{$g['varrun_path']}/openvpn_{$mode_id}.pid";
|
| 527 |
76369bfc
|
Matthew Grooms
|
if (file_exists($pfile)) {
|
| 528 |
dc408939
|
Matthew Grooms
|
|
| 529 |
76369bfc
|
Matthew Grooms
|
/* read the pid file */
|
| 530 |
|
|
$pid = trim(file_get_contents($pfile));
|
| 531 |
|
|
unlink($pfile);
|
| 532 |
|
|
|
| 533 |
|
|
/* send a term signal to the process */
|
| 534 |
|
|
posix_kill($pid, SIGTERM);
|
| 535 |
|
|
}
|
| 536 |
705c8ec9
|
Matthew Grooms
|
|
| 537 |
095a95ae
|
Matthew Grooms
|
/* remove the device from the openvpn group */
|
| 538 |
|
|
mwexec("/sbin/ifconfig {$devname} -group openvpn");
|
| 539 |
|
|
|
| 540 |
dc408939
|
Matthew Grooms
|
/* restore the original adapter name */
|
| 541 |
|
|
mwexec("/sbin/ifconfig {$devname} name {$tunname}");
|
| 542 |
|
|
|
| 543 |
|
|
/* remove the configuration files */
|
| 544 |
|
|
mwexec("/bin/rm {$g['varetc_path']}/openvpn/{$mode_id}.*");
|
| 545 |
d799787e
|
Matthew Grooms
|
}
|
| 546 |
afb07cf1
|
Scott Ullrich
|
|
| 547 |
dc408939
|
Matthew Grooms
|
function openvpn_resync_csc(& $settings) {
|
| 548 |
8dc3ef67
|
Scott Ullrich
|
global $g, $config;
|
| 549 |
|
|
|
| 550 |
ea28182c
|
Matthew Grooms
|
$fpath = $g['varetc_path']."/openvpn-csc/".$settings['common_name'];
|
| 551 |
8dc3ef67
|
Scott Ullrich
|
|
| 552 |
d799787e
|
Matthew Grooms
|
if ($settings['disable']) {
|
| 553 |
|
|
unlink_if_exists($fpath);
|
| 554 |
c876662c
|
Scott Ullrich
|
return;
|
| 555 |
|
|
}
|
| 556 |
d799787e
|
Matthew Grooms
|
|
| 557 |
8dc3ef67
|
Scott Ullrich
|
$conf = '';
|
| 558 |
d799787e
|
Matthew Grooms
|
if ($settings['block'])
|
| 559 |
|
|
$conf .= "disable\n";
|
| 560 |
|
|
|
| 561 |
|
|
if ($settings['push_reset'])
|
| 562 |
|
|
$conf .= "push-reset\n";
|
| 563 |
|
|
|
| 564 |
|
|
if (!empty($settings['tunnel_network'])) {
|
| 565 |
|
|
list($ip, $mask) = explode('/', $settings['tunnel_network']);
|
| 566 |
8dc3ef67
|
Scott Ullrich
|
$baselong = ip2long($ip) & gen_subnet_mask_long($mask);
|
| 567 |
d799787e
|
Matthew Grooms
|
$ip1 = long2ip($baselong + 1);
|
| 568 |
|
|
$ip2 = long2ip($baselong + 2);
|
| 569 |
|
|
$conf .= "ifconfig-push {$ip1} {$ip2}\n";
|
| 570 |
8dc3ef67
|
Scott Ullrich
|
}
|
| 571 |
6d031071
|
Martin Fuchs
|
|
| 572 |
d799787e
|
Matthew Grooms
|
openvpn_add_dhcpopts($settings, $conf);
|
| 573 |
8dc3ef67
|
Scott Ullrich
|
|
| 574 |
d799787e
|
Matthew Grooms
|
if ($settings['gwredir'])
|
| 575 |
|
|
$conf .= "push \"redirect-gateway def1\"\n";
|
| 576 |
6d031071
|
Martin Fuchs
|
|
| 577 |
d799787e
|
Matthew Grooms
|
openvpn_add_custom($settings, $conf);
|
| 578 |
8dc3ef67
|
Scott Ullrich
|
|
| 579 |
d799787e
|
Matthew Grooms
|
file_put_contents($fpath, $conf);
|
| 580 |
|
|
chown($fpath, 'nobody');
|
| 581 |
|
|
chgrp($fpath, 'nobody');
|
| 582 |
|
|
}
|
| 583 |
8dc3ef67
|
Scott Ullrich
|
|
| 584 |
dc408939
|
Matthew Grooms
|
function openvpn_delete_csc(& $settings) {
|
| 585 |
add2e3f7
|
Scott Ullrich
|
global $g, $config;
|
| 586 |
3c2e5528
|
Scott Ullrich
|
|
| 587 |
ea28182c
|
Matthew Grooms
|
$fpath = $g['varetc_path']."/openvpn-csc/".$settings['common_name'];
|
| 588 |
d799787e
|
Matthew Grooms
|
unlink_if_exists($fpath);
|
| 589 |
267ab13f
|
Ermal Luçi
|
}
|
| 590 |
afb07cf1
|
Scott Ullrich
|
|
| 591 |
24012690
|
Scott Ullrich
|
// Resync the configuration and restart the VPN
|
| 592 |
dc408939
|
Matthew Grooms
|
function openvpn_resync($mode, & $settings) {
|
| 593 |
|
|
openvpn_reconfigure($mode, $settings);
|
| 594 |
|
|
openvpn_restart($mode, $settings);
|
| 595 |
afb07cf1
|
Scott Ullrich
|
}
|
| 596 |
|
|
|
| 597 |
add2e3f7
|
Scott Ullrich
|
// Resync and restart all VPNs
|
| 598 |
|
|
function openvpn_resync_all() {
|
| 599 |
d799787e
|
Matthew Grooms
|
global $g, $config;
|
| 600 |
267ab13f
|
Ermal Luçi
|
|
| 601 |
3cb54b54
|
Matthew Grooms
|
// delay our setup until the system
|
| 602 |
|
|
// has a chance to init our paths
|
| 603 |
|
|
if (!file_exists($g['varetc_path']."/openvpn") ||
|
| 604 |
|
|
!file_exists($g['varetc_path']."/openvpn-csc"))
|
| 605 |
|
|
return;
|
| 606 |
|
|
|
| 607 |
34bc1324
|
Matthew Grooms
|
if (!is_array($config['openvpn']))
|
| 608 |
|
|
$config['openvpn'] = array();
|
| 609 |
|
|
|
| 610 |
15b414e6
|
Matthew Grooms
|
/*
|
| 611 |
34bc1324
|
Matthew Grooms
|
if (!$config['openvpn']['dh-parameters']) {
|
| 612 |
|
|
echo "Configuring OpenVPN Parameters ...\n";
|
| 613 |
035e4289
|
Matthew Grooms
|
$dh_parameters = openvpn_create_dhparams(1024);
|
| 614 |
34bc1324
|
Matthew Grooms
|
$dh_parameters = base64_encode($dh_parameters);
|
| 615 |
|
|
$config['openvpn']['dh-parameters'] = $dh_parameters;
|
| 616 |
c67dd94e
|
Bill Marquette
|
write_config("OpenVPN DH parameters");
|
| 617 |
34bc1324
|
Matthew Grooms
|
}
|
| 618 |
|
|
|
| 619 |
|
|
$path_ovdh = $g['varetc_path']."/openvpn/dh-parameters";
|
| 620 |
|
|
if (!file_exists($path_ovdh)) {
|
| 621 |
|
|
$dh_parameters = $config['openvpn']['dh-parameters'];
|
| 622 |
|
|
$dh_parameters = base64_decode($dh_parameters);
|
| 623 |
|
|
file_put_contents($path_ovdh, $dh_parameters);
|
| 624 |
|
|
}
|
| 625 |
15b414e6
|
Matthew Grooms
|
*/
|
| 626 |
34bc1324
|
Matthew Grooms
|
|
| 627 |
d799787e
|
Matthew Grooms
|
if (is_array($config['openvpn']['openvpn-server']))
|
| 628 |
dc408939
|
Matthew Grooms
|
foreach ($config['openvpn']['openvpn-server'] as & $settings)
|
| 629 |
|
|
openvpn_resync('server', $settings);
|
| 630 |
5b237745
|
Scott Ullrich
|
|
| 631 |
d799787e
|
Matthew Grooms
|
if (is_array($config['openvpn']['openvpn-client']))
|
| 632 |
dc408939
|
Matthew Grooms
|
foreach ($config['openvpn']['openvpn-client'] as & $settings)
|
| 633 |
|
|
openvpn_resync('client', $settings);
|
| 634 |
afb07cf1
|
Scott Ullrich
|
|
| 635 |
d799787e
|
Matthew Grooms
|
if (is_array($config['openvpn']['openvpn-csc']))
|
| 636 |
dc408939
|
Matthew Grooms
|
foreach ($config['openvpn']['openvpn-csc'] as & $settings)
|
| 637 |
|
|
openvpn_resync_csc($settings);
|
| 638 |
afb07cf1
|
Scott Ullrich
|
|
| 639 |
d799787e
|
Matthew Grooms
|
/* give speedy machines time to settle */
|
| 640 |
|
|
sleep(5);
|
| 641 |
5b237745
|
Scott Ullrich
|
|
| 642 |
d799787e
|
Matthew Grooms
|
/* reload the filter policy */
|
| 643 |
|
|
filter_configure();
|
| 644 |
5b237745
|
Scott Ullrich
|
}
|
| 645 |
702a4702
|
Scott Ullrich
|
|
| 646 |
8874c692
|
Ermal Luçi
|
?>
|