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
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
|
#!/usr/local/bin/php -f
<?php
/*
rc.newwanip
Copyright (C) 2006 Scott Ullrich (sullrich@gmail.com)
part of pfSense (http://www.pfsense.com)
Originally part of m0n0wall (http://m0n0.ch)
Copyright (C) 2003-2005 Manuel Kasper <mk@neon1.net>.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
*/
/* parse the configuration and include all functions used below */
require_once("globals.inc");
require_once("config.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");
require_once("ipsec.inc");
require_once("vpn.inc");
require_once("openvpn.inc");
require_once("rrd.inc");
// Do not process while booting
if($g['booting'])
exit;
function restart_packages() {
global $oldip, $curwanip, $g;
/* restart packages */
system_ntp_configure(false);
mwexec_bg("/usr/local/sbin/ntpdate_sync_once.sh", true);
log_error("{$g['product_name']} package system has detected an ip change $oldip -> $curwanip ... Restarting packages.");
send_event("service reload packages");
}
/* Interface IP address has changed */
$argument = str_replace("\n", "", $argv[1]);
log_error("rc.newwanip: Informational is starting {$argument}.");
if(empty($argument)) {
$curwanip = get_interface_ip();
$interface = "wan";
$interface_real = get_real_interface();
} else {
$interface = convert_real_interface_to_friendly_interface_name($argument);
$interface_real = $argument;
$curwanip = find_interface_ip($interface_real, true);
if($curwanip == "")
$curwanip = get_interface_ip($interface);
}
log_error("rc.newwanip: on (IP address: {$curwanip}) (interface: {$interface}) (real interface: {$interface_real}).");
if($curwanip == "0.0.0.0" || !is_ipaddr($curwanip)) {
log_error("rc.newwanip: Failed to update {$interface} IP, restarting...");
send_event("interface reconfigure {$interface}");
exit;
}
if (empty($interface)) {
filter_configure();
restart_packages();
exit;
}
$oldip = "0.0.0.0";
if (file_exists("{$g['vardb_path']}/{$interface}_cacheip"))
$oldip = file_get_contents("{$g['vardb_path']}/{$interface}_cacheip");
/* regenerate resolv.conf if DNS overrides are allowed */
system_resolvconf_generate(true);
/* write current WAN IP to file */
file_put_contents("{$g['vardb_path']}/{$interface}_ip", $curwanip);
link_interface_to_vips($interface, "update");
unset($gre);
$gre = link_interface_to_gre($interface);
if (!empty($gre))
array_walk($gre, 'interface_gre_configure');
unset($gif);
$gif = link_interface_to_gif($interface);
if (!empty($gif))
array_walk($gif, 'interface_gif_configure');
$grouptmp = link_interface_to_group($interface);
if (!empty($grouptmp))
array_walk($grouptmp, 'interface_group_add_member');
if ($linkupevent == false || substr($interface_real, 0, 4) == "ovpn") {
unset($bridgetmp);
$bridgetmp = link_interface_to_bridge($interface);
if (!empty($bridgetmp))
interface_bridge_add_member($bridgetmp, $interface_real);
}
/* make new hosts file */
if ($interface == "lan")
system_hosts_generate();
/* check tunneled IPv6 interface tracking */
switch($config['interfaces'][$interface]['ipaddrv6']) {
case "slaac":
case "dhcp6":
interface_dhcpv6_configure($interface, $config['interfaces'][$interface]);
break;
case "6to4":
interface_6to4_configure($interface, $config['interfaces'][$interface]);
break;
case "6rd":
interface_6rd_configure($interface, $config['interfaces'][$interface]);
break;
}
/* Check Gif tunnels */
if(is_array($config['gifs']['gif'])){
foreach($config['gifs']['gif'] as $gif) {
if($gif['if'] == $interface) {
foreach($config['interfaces'] as $ifname => $ifparent) {
// echo "interface $ifparent, ifname $ifname, gif {$gif['gifif']}\n";
if(($ifparent['if'] == $gif['gifif']) && (isset($ifparent['enable']))) {
// echo "Running routing configure for $ifname\n";
$gif['gifif'] = interface_gif_configure($gif);
$confif = convert_real_interface_to_friendly_interface_name($gif['gifif']);
if ($confif <> "")
interface_configure($confif);
system_routing_configure($ifname);
}
}
}
}
}
/* reconfigure static routes (kernel may have deleted them) */
system_routing_configure($interface);
/* reconfigure our gateway monitor */
setup_gateways_monitor();
/* signal filter reload */
filter_configure();
if (is_ipaddr($oldip) && $curwanip == $oldip) {
/* We need to force sync VPNs on such even when the IP is the same. Even with
* the same IP the VPN software is unhappy with the IP disappearing, and we
* could be failing back in which case we need to switch IPs back anyhow. */
/* reconfigure IPsec tunnels */
vpn_ipsec_force_reload();
/* start OpenVPN server & clients */
if (substr($interface_real, 0, 4) != "ovpn")
openvpn_resync_all($interface);
/* perform RFC 2136 DNS update */
services_dnsupdate_process($interface);
/* signal dyndns update */
services_dyndns_configure($interface);
exit;
}
file_put_contents("{$g['vardb_path']}/{$interface}_cacheip", $curwanip);
/* perform RFC 2136 DNS update */
services_dnsupdate_process($interface);
/* signal dyndns update */
services_dyndns_configure($interface);
/* reconfigure IPsec tunnels */
vpn_ipsec_force_reload();
/* start OpenVPN server & clients */
if (substr($interface_real, 0, 4) != "ovpn")
openvpn_resync_all($interface);
/* reload graphing functions */
enable_rrd_graphing();
/* reload igmpproxy */
services_igmpproxy_configure();
/* restart snmp */
services_snmpd_configure();
restart_packages();
?>
|
