1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
|
#!/usr/local/bin/php-cgi -f
<?php
/*
* rc.openvpn
*
* part of pfSense (https://www.pfsense.org)
* Copyright (c) 2009 Seth Mos <seth.mos@dds.nl>.
* Copyright (c) 2007-2018 Rubicon Communications, LLC (Netgate)
* All rights reserved.
*
* Originally part of m0n0wall (http://m0n0.ch/wall)
* Copyright (c) 2007 Manuel Kasper <mk@neon1.net>.
* All rights reserved.
*
* 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.
*/
/* parse the configuration and include all functions used below */
require_once("util.inc");
require_once("config.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("gwlb.inc");
require_once("openvpn.inc");
function openvpn_resync_if_needed ($mode, $ovpn_settings, $interface) {
global $g, $config;
$resync_needed = true;
if (isset($ovpn_settings['disable'])) {
$resync_needed = false;
} else {
if (!empty($interface)) {
$mode_id = $mode . $ovpn_settings['vpnid'];
$fpath = "{$g['varetc_path']}/openvpn/{$mode_id}.interface";
if (file_exists($fpath)) {
/* Compare the interface currently used by the VPN with the interface that should be used.
If the VPN should stay on the same interface, do not resync */
if (trim(file_get_contents($fpath), " \t\n") == get_failover_interface($ovpn_settings['interface'])) {
$resync_needed = false;
}
}
}
}
if ($resync_needed == true) {
log_error("OpenVPN: Resync " . $mode_id . " " . $ovpn_settings['description']);
openvpn_resync($mode, $ovpn_settings);
}
}
/* make sure to wait until the boot scripts have finished */
if (file_exists("{$g['varrun_path']}/booting")) {
return;
}
/* Input argument is a comma-separated list of gateway names, blank or "all". */
if (isset($_GET['interface'])) {
$argument = $_GET['interface'];
} else {
$argument = trim($argv[1], " \n");
}
// Workaround as rc.openvpn is called by the gatewaymonitor / check_reload event system,..
//file_put_contents("/dev/console", "\n[".getmypid()."] OPENVPN CALLED ".$argument);
$gateways_arr = return_gateways_array();
if (isset($gateways_arr[$argument])) {
//file_put_contents("/dev/console", "\n[".getmypid()."] OPENVPN CALLED WITH GW:".$argument);
// called upon rc.gateway_alarm
system_routing_configure();
}
if ((is_array($config['openvpn']['openvpn-server']) && count($config['openvpn']['openvpn-server'])) ||
(is_array($config['openvpn']['openvpn-client']) && count($config['openvpn']['openvpn-client']))) {
if (empty($argument) || $argument == "all") {
$argument = "all";
$log_text = "all";
} else {
$log_text = "endpoints that may use " . $argument;
}
log_error("OpenVPN: One or more OpenVPN tunnel endpoints may have changed its IP. Reloading " . $log_text . ".");
} else {
return;
}
$openvpnlck = try_lock('openvpn', 10);
if (!$openvpnlck) {
log_error(gettext("Could not obtain openvpn lock for executing rc.openvpn for more than 10 seconds continuing..."));
unlock_force('openvpn');
$openvpnlck = lock('openvpn', LOCK_EX);
}
$arg_array = explode(",", $argument);
foreach ($arg_array as $arg_element) {
$gwgroups = array();
if ($arg_element == "all") {
$interface = "";
} else {
// e.g. $arg_element = "WANGW", $interface = "wan"
$interface = lookup_gateway_interface_by_name($arg_element);
if (empty($interface)) {
$interface = $arg_element;
} else {
// e.g. $arg_element = "WANGW", $gwgroups = array of gateway groups that use "wan"
$gwgroups = gateway_is_gwgroup_member($arg_element);
}
}
if (is_array($config['openvpn']['openvpn-server'])) {
foreach ($config['openvpn']['openvpn-server'] as &$server) {
if ($server['interface'] == $interface || empty($interface) || (!empty($gwgroups) && in_array($server['interface'], $gwgroups))) {
openvpn_resync_if_needed('server', $server, $interface);
}
}
}
if (is_array($config['openvpn']['openvpn-client'])) {
foreach ($config['openvpn']['openvpn-client'] as &$client) {
if ($client['interface'] == $interface || empty($interface) || (!empty($gwgroups) && in_array($client['interface'], $gwgroups))) {
openvpn_resync_if_needed('client', $client, $interface);
}
}
}
}
unlock($openvpnlck);
?>
|
