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#!/usr/local/bin/php -f
<?php
/*
filter.inc
Copyright (C) 2004-2006 Scott Ullrich
Copyright (C) 2005 Bill Marquette
Copyright (C) 2006 Peter Allgeyer
Copyright (C) 2008 Ermal Luci
All rights reserved.
originally part of m0n0wall (http://m0n0.ch/wall)
Copyright (C) 2003-2004 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.
*/
require_once("globals.inc");
require_once("config.inc");
require_once("functions.inc");
require_once("filter.inc");
require_once("shaper.inc");
require_once("xmlrpc.inc");
/*
* backup_vip_config_section($section): returns as an xml file string of
* the configuration section
*/
function backup_vip_config_section() {
global $config;
$new_section = &$config['virtualip'];
foreach($new_section['vip'] as $section) {
if($section['mode'] == "proxyarp") {
unset($section);
}
if($section['advskew'] <> "") {
$section_val = intval($section['advskew']);
$section_val=$section_val+100;
if($section_val > 255)
$section_val = 255;
$section['advskew'] = $section_val;
}
$temp['vip'][] = $section;
}
return $temp;
}
function remove_special_characters($string) {
$match_array = "";
preg_match_all("/[a-zA-Z0-9\_\-]+/",$string,$match_array);
$string = "";
foreach ($match_array[0] as $ma) {
if ($string <> "")
$string .= " ";
$string .= $ma;
}
return $string;
}
function carp_sync_xml($url, $password, $sections, $port = 80, $method = 'pfsense.restore_config_section') {
global $config, $g;
if($g['booting'])
return;
update_filter_reload_status("Syncing CARP data to {$url}");
/* make a copy of config */
$config_copy = $config;
/* strip out nosync items */
if (is_array($config_copy['nat']['advancedoutbound']['rule'])) {
$rulescnt = count($config_copy['nat']['advancedoutbound']['rule']);
for ($x = 0; $x < $rulescnt; $x++) {
$config_copy['nat']['advancedoutbound']['rule'][$x]['descr'] = remove_special_characters($config_copy['nat']['advancedoutbound']['rule'][$x]['descr']);
if (isset ($config_copy['nat']['advancedoutbound']['rule'][$x]['nosync']))
unset ($config_copy['nat']['advancedoutbound']['rule'][$x]);
}
}
if (is_array($config_copy['nat']['rule'])) {
$natcnt = count($config_copy['nat']['rule']);
for ($x = 0; $x < $natcnt; $x++) {
$config_copy['nat']['rule'][$x]['descr'] = remove_special_characters($config_copy['nat']['rule'][$x]['descr']);
if (isset ($config_copy['nat']['rule'][$x]['nosync']))
unset ($config_copy['nat']['rule'][$x]);
}
}
if (is_array($config_copy['filter']['rule'])) {
$filtercnt = count($config_copy['filter']['rule']);
for ($x = 0; $x < $filtercnt; $x++) {
$config_copy['filter']['rule'][$x]['descr'] = remove_special_characters($config_copy['filter']['rule'][$x]['descr']);
if (isset ($config_copy['filter']['rule'][$x]['nosync']))
unset ($config_copy['filter']['rule'][$x]);
}
}
if (is_array($config_copy['aliases']['alias'])) {
$aliascnt = count($config_copy['aliases']['alias']);
for ($x = 0; $x < $aliascnt; $x++) {
$config_copy['aliases']['alias'][$x]['descr'] = remove_special_characters($config_copy['aliases']['alias'][$x]['descr']);
if (isset ($config_copy['aliases']['alias'][$x]['nosync']))
unset ($config_copy['aliases']['alias'][$x]);
}
}
if (is_array($config_copy['dnsmasq']['hosts'])) {
$dnscnt = count($config_copy['dnsmasq']['hosts']);
for ($x = 0; $x < $dnscnt; $x++) {
$config_copy['dnsmasq']['hosts'][$x]['descr'] = remove_special_characters($config_copy['dnsmasq']['hosts'][$x]['descr']);
if (isset ($config_copy['dnsmasq']['hosts'][$x]['nosync']))
unset ($config_copy['dnsmasq']['hosts'][$x]);
}
}
if (is_array($config_copy['virtualip']['vip'])) {
$vipcnt = count($config_copy['virtualip']['vip']);
for ($x = 0; $x < $vipcnt; $x++) {
$config_copy['virtualip']['vip'][$x]['descr'] = remove_special_characters($config_copy['virtualip']['vip'][$x]['descr']);
if (isset ($config_copy['virtualip']['vip'][$x]['nosync']) or $config_copy['virtualip']['vip'][$x]['mode'] == "proxyarp")
unset ($config_copy['virtualip']['vip'][$x]);
}
}
if (is_array($config_copy['ipsec']['tunnel'])) {
$ipseccnt = count($config_copy['ipsec']['tunnel']);
for ($x = 0; $x < $ipseccnt; $x++) {
$config_copy['ipsec']['tunnel'][$x]['descr'] = remove_special_characters($config_copy['ipsec']['tunnel'][$x]['descr']);
if (isset ($config_copy['ipsec']['tunnel'][$x]['nosync']))
unset ($config_copy['ipsec']['tunnel'][$x]);
}
}
foreach ($sections as $section) {
/* we can't use array_intersect_key()
* due to the vip 'special case'
*/
if ($section != 'virtualip')
$xml[$section] = $config_copy[$section];
else
$xml[$section] = backup_vip_config_section();
}
$params = array(
XML_RPC_encode($password),
XML_RPC_encode($xml)
);
$numberofruns = 0;
while ($numberofruns < 2) {
log_error("Beginning XMLRPC sync to {$url}:{$port}.");
$msg = new XML_RPC_Message($method, $params);
$cli = new XML_RPC_Client('/xmlrpc.php', $url, $port);
$username = $config['system']['user'][0]['name'];
$cli->setCredentials($username, $password);
if($numberofruns > 1)
$cli->setDebug(1);
/* send our XMLRPC message and timeout after 240 seconds */
$resp = $cli->send($msg, "240");
if($resp->faultCode()) {
$error = "A communications error occurred while attempting communication with {$url}:{$port} (pfsense.exec_php).";
log_error($error);
return;
}
if(!$resp) {
$error = "A communications error occured while attempting XMLRPC sync with username {$username} {$url}:{$port}.";
log_error($error);
file_notice("sync_settings", $error, "Settings Sync", "");
} elseif($resp->faultCode()) {
$error = "An error code was received while attempting XMLRPC sync with username {$username} {$url}:{$port} - Code " . $resp->faultCode() . ": " . $resp->faultString();
log_error($error);
file_notice("sync_settings", $error, "Settings Sync", "");
} else {
log_error("XMLRPC sync successfully completed with {$url}:{$port}.");
$numberofruns = 3;
}
$parsed_response = XML_RPC_Decode($resp->value());
if(!is_array($firewall_info) && trim($firewall_info) == "Authentication failed") {
$error = "A authentication failure occurred while trying to access {$url}:{$port} (pfsense.exec_php).";
log_error($error);
$numberofruns = 5;
}
$numberofruns++;
}
}
if ($g['booting'])
return;
if (is_array($config['installedpackages']['carpsettings']['config'])) {
update_filter_reload_status("Building CARP sync information");
foreach($config['installedpackages']['carpsettings']['config'] as $carp) {
if ($carp['synchronizetoip'] != "" ) {
/*
* XXX: The way we're finding the port right now is really suboptimal -
* we can't assume that the other machine is setup identically.
*/
if ($config['system']['webgui']['protocol'] != "") {
$synchronizetoip = $config['system']['webgui']['protocol'];
$synchronizetoip .= "://";
}
$port = $config['system']['webgui']['port'];
/* if port is empty lets rely on the protocol selection */
if ($port == "") {
if ($config['system']['webgui']['protocol'] == "http")
$port = "80";
else
$port = "443";
}
$synchronizetoip .= $carp['synchronizetoip'];
if ($carp['synchronizerules'] != "" and is_array($config['filter']))
$sections[] = 'filter';
if ($carp['synchronizenat'] != "" and is_array($config['nat']))
$sections[] = 'nat';
if ($carp['synchronizealiases'] != "" and is_array($config['aliases']))
$sections[] = 'aliases';
if ($carp['synchronizedhcpd'] != "" and is_array($config['dhcpd']))
$sections[] = 'dhcpd';
if ($carp['synchronizewol'] != "" and is_array($config['wol']))
$sections[] = 'wol';
if ($carp['synchronizetrafficshaper'] != "" and is_array($config['shaper']))
$sections[] = 'shaper';
if ($carp['synchronizestaticroutes'] != "" and is_array($config['staticroutes']))
$sections[] = 'staticroutes';
if ($carp['synchronizevirtualip'] != "" and is_array($config['virtualip']))
$sections[] = 'virtualip';
if ($carp['synchronizelb'] != "" and is_array($config['load_balancer']))
$sections[] = 'load_balancer';
if ($carp['synchronizeipsec'] != "" and is_array($config['ipsec']))
$sections[] = 'ipsec';
if ($carp['synchronizednsforwarder'] != "" and is_array($config['dnsmasq']))
$sections[] = 'dnsmasq';
if ($carp['synchronizeschedules'] != "" and is_array($config['schedules']))
$sections[] = 'schedules';
if (count($sections) > 0) {
update_filter_reload_status("Signaling CARP reload signal...");
carp_sync_xml($synchronizetoip, $carp['password'], $sections, $port);
$cli = new XML_RPC_Client('/xmlrpc.php', $synchronizetoip, $port);
$msg = new XML_RPC_Message('pfsense.filter_configure', array(new XML_RPC_Value($carp['password'], 'string')));
$username = $config['system']['user'][0]['name'];
$cli->setCredentials($username, $carp['password']);
$cli->send($msg, "900");
/* signal a carp reload */
$msg = new XML_RPC_Message('pfsense.interfaces_carp_configure');
$cli->send($msg, "900");
}
break;
}
}
}
?>
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