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<?php
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/*
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* gwlb.inc
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*
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* part of pfSense (https://www.pfsense.org)
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* Copyright (c) 2008 Bill Marquette, Seth Mos
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* Copyright (c) 2008-2016 Rubicon Communications, LLC (Netgate)
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* All rights reserved.
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*
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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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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgment:
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* "This product includes software developed by the pfSense Project
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* for use in the pfSense® software distribution. (http://www.pfsense.org/).
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*
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* 4. The names "pfSense" and "pfSense Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* coreteam@pfsense.org.
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*
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* 5. Products derived from this software may not be called "pfSense"
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* nor may "pfSense" appear in their names without prior written
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* permission of the Electric Sheep Fencing, LLC.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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*
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* "This product includes software developed by the pfSense Project
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* for use in the pfSense software distribution (http://www.pfsense.org/).
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*
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* THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* 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
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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require_once("config.inc");
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require_once("rrd.inc");
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/* Returns an array of default values used for dpinger */
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function return_dpinger_defaults() {
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return array(
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"latencylow" => "200",
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"latencyhigh" => "500",
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"losslow" => "10",
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"losshigh" => "20",
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"interval" => "500",
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"loss_interval" => "2000",
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"time_period" => "60000",
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"alert_interval" => "1000",
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"data_payload" => "0");
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}
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function running_dpinger_processes() {
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global $g;
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$pidfiles = glob("{$g['varrun_path']}/dpinger_*.pid");
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$result = array();
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if ($pidfiles === FALSE) {
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return $result;
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}
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foreach ($pidfiles as $pidfile) {
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if (preg_match('/^dpinger_(.+)~([^~]+)~([^~]+)\.pid$/',
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basename($pidfile), $matches)) {
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$socket_file = preg_replace('/\.pid$/', '.sock',
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$pidfile);
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$result[$matches[1]] = array(
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'srcip' => $matches[2],
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'targetip' => $matches[3],
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'pidfile' => $pidfile,
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'socket' => $socket_file
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);
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unset($gwinfo);
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}
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}
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return $result;
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}
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/*
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* Stop one or more dpinger process
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* default parameter $gwname is '*' that will kill all running sessions
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* If a gateway name is passed, only this one will be killed
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*/
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function stop_dpinger($gwname = '') {
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global $g;
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$running_processes = running_dpinger_processes();
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foreach ($running_processes as $running_gwname => $process) {
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if ($gwname != '' && $running_gwname != $gwname) {
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continue;
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}
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if (isvalidpid($process['pidfile'])) {
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killbypid($process['pidfile']);
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} else {
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@unlink($process['pidfile']);
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}
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}
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}
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function start_dpinger($gateway) {
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global $g;
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if (!isset($gateway['gwifip'])) {
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return;
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}
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$dpinger_defaults = return_dpinger_defaults();
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$prefix = "{$g['varrun_path']}/dpinger_{$gateway['name']}~" .
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"{$gateway['gwifip']}~{$gateway['monitor']}";
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# dpinger socket path should not be longer then uaddr.sun_path
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if (strlen($prefix) > 95) {
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$prefix = "{$g['varrun_path']}/dpinger_{$gateway['name']}~" .
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substr(md5($gateway['gwifip']),0,8) . "~" .
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$gateway['monitor'];
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}
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$pidfile = $prefix . ".pid";
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$socket = $prefix . ".sock";
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$alarm_cmd = "{$g['etc_path']}/rc.gateway_alarm";
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$params = "-S "; /* Log warnings via syslog */
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$params .= "-r 0 "; /* Disable unused reporting thread */
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$params .= "-i {$gateway['name']} "; /* Identifier */
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$params .= "-B {$gateway['gwifip']} "; /* Bind src address */
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$params .= "-p {$pidfile} "; /* PID filename */
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$params .= "-u {$socket} "; /* Status Socket */
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if (!$gateway['action_disable']) {
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$params .= "-C \"{$alarm_cmd}\" "; /* Command to run on alarm */
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}
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$params .= "-d " .
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(isset($gateway['data_payload']) && is_numeric($gateway['data_payload'])
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? $gateway['data_payload']
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: $dpinger_defaults['data_payload']
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) . " ";
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$params .= "-s " .
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(isset($gateway['interval']) && is_numeric($gateway['interval'])
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? $gateway['interval']
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: $dpinger_defaults['interval']
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) . " ";
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$params .= "-l " .
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(isset($gateway['loss_interval']) && is_numeric($gateway['loss_interval'])
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? $gateway['loss_interval']
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: $dpinger_defaults['loss_interval']
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) . " ";
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$params .= "-t " .
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(isset($gateway['time_period']) && is_numeric($gateway['time_period'])
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? $gateway['time_period']
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: $dpinger_defaults['time_period']
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) . " ";
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$params .= "-A " .
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(isset($gateway['alert_interval']) && is_numeric($gateway['alert_interval'])
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? $gateway['alert_interval']
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: $dpinger_defaults['alert_interval']
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) . " ";
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$params .= "-D " .
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(isset($gateway['latencyhigh']) && is_numeric($gateway['latencyhigh'])
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? $gateway['latencyhigh']
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: $dpinger_defaults['latencyhigh']
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) . " ";
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$params .= "-L " .
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(isset($gateway['losshigh']) && is_numeric($gateway['losshigh'])
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? $gateway['losshigh']
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: $dpinger_defaults['losshigh']
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) . " ";
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/* Make sure we don't end up with 2 process for the same GW */
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stop_dpinger($gateway['name']);
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/* Redirect stdout to /dev/null to avoid exec() to wait for dpinger */
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return mwexec("/usr/local/bin/dpinger {$params} {$gateway['monitor']} >/dev/null");
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}
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/*
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* Starts dpinger processes and adds appropriate static routes for monitor IPs
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*/
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function setup_gateways_monitor() {
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global $config, $g;
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$gateways_arr = return_gateways_array();
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if (!is_array($gateways_arr)) {
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log_error(gettext("No gateways to monitor. dpinger will not run."));
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stop_dpinger();
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return;
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}
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$monitor_ips = array();
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foreach ($gateways_arr as $gwname => $gateway) {
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/* Do not monitor if such was requested */
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if (isset($gateway['monitor_disable'])) {
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continue;
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}
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if (empty($gateway['monitor']) || !is_ipaddr($gateway['monitor'])) {
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if (is_ipaddr($gateway['gateway'])) {
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$gateways_arr[$gwname]['monitor'] = $gateway['gateway'];
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} else { /* No chance to get an ip to monitor skip target. */
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continue;
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}
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}
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/* if the monitor address is already used before, skip */
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if (in_array($gateway['monitor'], $monitor_ips)) {
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continue;
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}
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/* Interface ip is needed since dpinger will bind a socket to it.
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* However the config GUI should already have checked this and when
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* PPPoE is used the IP address is set to "dynamic". So using is_ipaddrv4
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* or is_ipaddrv6 to identify packet type would be wrong, especially as
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* further checks (that can cope with the "dynamic" case) are present inside
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* the if block. So using $gateway['ipprotocol'] is the better option.
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*/
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if ($gateway['ipprotocol'] == "inet") { // This is an IPv4 gateway...
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$gwifip = find_interface_ip($gateway['interface'], true);
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if (!is_ipaddrv4($gwifip)) {
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continue; //Skip this target
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}
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if ($gwifip == "0.0.0.0") {
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continue; //Skip this target - the gateway is still waiting for DHCP
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}
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/*
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* If the gateway is the same as the monitor we do not add a
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* route as this will break the routing table.
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* Add static routes for each gateway with their monitor IP
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* not strictly necessary but is a added level of protection.
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*/
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if (is_ipaddrv4($gateway['gateway']) && $gateway['monitor'] != $gateway['gateway']) {
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log_error(sprintf(gettext('Removing static route for monitor %1$s and adding a new route through %2$s'), $gateway['monitor'], $gateway['gateway']));
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if (interface_isppp_type($gateway['friendlyiface'])) {
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mwexec("/sbin/route change -host " . escapeshellarg($gateway['monitor']) .
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" -iface " . escapeshellarg($gateway['interface']), true);
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} else {
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mwexec("/sbin/route change -host " . escapeshellarg($gateway['monitor']) .
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" " . escapeshellarg($gateway['gateway']), true);
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}
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267
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pfSense_kill_states("0.0.0.0/0", $gateway['monitor'], $gateway['interface'], "icmp");
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}
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270
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} else if ($gateway['ipprotocol'] == "inet6") { // This is an IPv6 gateway...
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if (is_linklocal($gateway['gateway']) &&
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get_ll_scope($gateway['gateway']) == '') {
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$gateway['gateway'] .= '%' . $gateway['interface'];
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}
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275
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276
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if (is_linklocal($gateway['monitor'])) {
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if (get_ll_scope($gateway['monitor']) == '') {
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$gateways_arr[$gwname]['monitor'] .= '%' . $gateway['interface'];
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}
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280
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281
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$gwifip = find_interface_ipv6_ll($gateway['interface'], true);
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282
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283
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if (get_ll_scope($gwifip) == '') {
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284
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$gwifip .= '%' . $gateway['interface'];
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285
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}
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286
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} else {
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287
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$gwifip = find_interface_ipv6($gateway['interface'], true);
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288
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}
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289
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290
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if (!is_ipaddrv6($gwifip)) {
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291
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continue; //Skip this target
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292
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}
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293
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294
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/*
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295
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* If the gateway is the same as the monitor we do not add a
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296
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* route as this will break the routing table.
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297
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* Add static routes for each gateway with their monitor IP
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298
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* not strictly necessary but is a added level of protection.
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299
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*/
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300
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if ($gateway['gateway'] != $gateway['monitor']) {
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301
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log_error(sprintf(gettext('Removing static route for monitor %1$s and adding a new route through %2$s'), $gateway['monitor'], $gateway['gateway']));
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302
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if (interface_isppp_type($gateway['friendlyiface'])) {
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303
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mwexec("/sbin/route change -host -inet6 " . escapeshellarg($gateway['monitor']) .
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304
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" -iface " . escapeshellarg($gateway['interface']), true);
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305
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} else {
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306
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mwexec("/sbin/route change -host -inet6 " . escapeshellarg($gateway['monitor']) .
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307
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" " . escapeshellarg($gateway['gateway']), true);
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308
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}
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309
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310
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pfSense_kill_states("::0.0.0.0/0", $gateway['monitor'], $gateway['interface'], "icmpv6");
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311
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}
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312
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} else {
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313
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continue;
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314
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}
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315
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|
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316
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$monitor_ips[] = $gateway['monitor'];
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317
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$gateways_arr[$gwname]['enable_dpinger'] = true;
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318
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$gateways_arr[$gwname]['gwifip'] = $gwifip;
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319
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}
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320
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|
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321
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stop_dpinger();
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322
|
|
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323
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/* Start new processes */
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324
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foreach ($gateways_arr as $gateway) {
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325
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if (!isset($gateway['enable_dpinger'])) {
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326
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continue;
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327
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}
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328
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|
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329
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if (start_dpinger($gateway) != 0) {
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330
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log_error(sprintf(gettext("Error starting gateway monitor for %s"), $gateway['name']));
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331
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}
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332
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}
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333
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334
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return;
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335
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}
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|
336
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|
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337
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function get_dpinger_status($gwname, $detailed = false) {
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|
338
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global $g;
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339
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|
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340
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$running_processes = running_dpinger_processes();
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341
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342
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if (!isset($running_processes[$gwname])) {
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343
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log_error(sprintf(gettext('dpinger: No dpinger session running for gateway %s'), $gwname));
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344
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return false;
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345
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}
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346
|
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347
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$proc = $running_processes[$gwname];
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348
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unset($running_processes);
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349
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350
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if (!file_exists($proc['socket'])) {
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351
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log_error("dpinger: status socket {$proc['socket']} not found");
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352
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return false;
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353
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}
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|
354
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355
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$fp = stream_socket_client("unix://{$proc['socket']}", $errno, $errstr, 10);
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|
356
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if (!$fp) {
|
|
357
|
log_error(sprintf(gettext('dpinger: cannot connect to status socket %1$s - %2$s (%3$s)'), $proc['socket'], $errstr, $errno));
|
|
358
|
return false;
|
|
359
|
}
|
|
360
|
|
|
361
|
$status = '';
|
|
362
|
while (!feof($fp)) {
|
|
363
|
$status .= fgets($fp, 1024);
|
|
364
|
}
|
|
365
|
fclose($fp);
|
|
366
|
|
|
367
|
$r = array();
|
|
368
|
list(
|
|
369
|
$r['gwname'],
|
|
370
|
$r['latency_avg'],
|
|
371
|
$r['latency_stddev'],
|
|
372
|
$r['loss']
|
|
373
|
) = explode(' ', preg_replace('/\n/', '', $status));
|
|
374
|
|
|
375
|
$r['srcip'] = $proc['srcip'];
|
|
376
|
$r['targetip'] = $proc['targetip'];
|
|
377
|
|
|
378
|
$gateways_arr = return_gateways_array();
|
|
379
|
unset($gw);
|
|
380
|
if (isset($gateways_arr[$gwname])) {
|
|
381
|
$gw = $gateways_arr[$gwname];
|
|
382
|
}
|
|
383
|
|
|
384
|
$r['latency_avg'] = round($r['latency_avg']/1000, 3);
|
|
385
|
$r['latency_stddev'] = round($r['latency_stddev']/1000, 3);
|
|
386
|
|
|
387
|
$r['status'] = "none";
|
|
388
|
if (isset($gw) && isset($gw['force_down'])) {
|
|
389
|
$r['status'] = "force_down";
|
|
390
|
} else if (isset($gw)) {
|
|
391
|
$settings = return_dpinger_defaults();
|
|
392
|
|
|
393
|
$keys = array(
|
|
394
|
'latencylow',
|
|
395
|
'latencyhigh',
|
|
396
|
'losslow',
|
|
397
|
'losshigh'
|
|
398
|
);
|
|
399
|
|
|
400
|
/* Replace default values by user-defined */
|
|
401
|
foreach ($keys as $key) {
|
|
402
|
if (isset($gw[$key]) && is_numeric($gw[$key])) {
|
|
403
|
$settings[$key] = $gw[$key];
|
|
404
|
}
|
|
405
|
}
|
|
406
|
|
|
407
|
if ($r['latency_avg'] > $settings['latencyhigh']) {
|
|
408
|
if ($detailed) {
|
|
409
|
$r['status'] = "highdelay";
|
|
410
|
} else {
|
|
411
|
$r['status'] = "down";
|
|
412
|
}
|
|
413
|
} else if ($r['loss'] > $settings['losshigh']) {
|
|
414
|
if ($detailed) {
|
|
415
|
$r['status'] = "highloss";
|
|
416
|
} else {
|
|
417
|
$r['status'] = "down";
|
|
418
|
}
|
|
419
|
} else if ($r['latency_avg'] > $settings['latencylow']) {
|
|
420
|
$r['status'] = "delay";
|
|
421
|
} else if ($r['loss'] > $settings['losslow']) {
|
|
422
|
$r['status'] = "loss";
|
|
423
|
}
|
|
424
|
}
|
|
425
|
|
|
426
|
return $r;
|
|
427
|
}
|
|
428
|
|
|
429
|
/* return the status of the dpinger targets as an array */
|
|
430
|
function return_gateways_status($byname = false) {
|
|
431
|
global $config, $g;
|
|
432
|
|
|
433
|
$dpinger_gws = running_dpinger_processes();
|
|
434
|
$status = array();
|
|
435
|
|
|
436
|
$gateways_arr = return_gateways_array();
|
|
437
|
|
|
438
|
foreach ($dpinger_gws as $gwname => $gwdata) {
|
|
439
|
// If action is disabled for this gateway, then we want a detailed status.
|
|
440
|
// That reports "highdelay" or "highloss" rather than just "down".
|
|
441
|
// Because reporting the gateway down would be misleading (gateway action is disabled)
|
|
442
|
$detailed = $gateways_arr[$gwname]['action_disable'];
|
|
443
|
$dpinger_status = get_dpinger_status($gwname, $detailed);
|
|
444
|
if ($dpinger_status === false) {
|
|
445
|
continue;
|
|
446
|
}
|
|
447
|
|
|
448
|
if ($byname == false) {
|
|
449
|
$target = $dpinger_status['targetip'];
|
|
450
|
} else {
|
|
451
|
$target = $gwname;
|
|
452
|
}
|
|
453
|
|
|
454
|
$status[$target] = array();
|
|
455
|
$status[$target]['monitorip'] = $dpinger_status['targetip'];
|
|
456
|
$status[$target]['srcip'] = $dpinger_status['srcip'];
|
|
457
|
$status[$target]['name'] = $gwname;
|
|
458
|
$status[$target]['delay'] = empty($dpinger_status['latency_avg']) ? "0ms" : $dpinger_status['latency_avg'] . "ms";
|
|
459
|
$status[$target]['stddev'] = empty($dpinger_status['latency_stddev']) ? "0ms" : $dpinger_status['latency_stddev'] . "ms";
|
|
460
|
$status[$target]['loss'] = empty($dpinger_status['loss']) ? "0.0%" : round($dpinger_status['loss'], 1) . "%";
|
|
461
|
$status[$target]['status'] = $dpinger_status['status'];
|
|
462
|
}
|
|
463
|
|
|
464
|
/* tack on any gateways that have monitoring disabled
|
|
465
|
* or are down, which could cause gateway groups to fail */
|
|
466
|
$gateways_arr = return_gateways_array();
|
|
467
|
foreach ($gateways_arr as $gwitem) {
|
|
468
|
if (!isset($gwitem['monitor_disable'])) {
|
|
469
|
continue;
|
|
470
|
}
|
|
471
|
if (!is_ipaddr($gwitem['monitor'])) {
|
|
472
|
$realif = $gwitem['interface'];
|
|
473
|
$tgtip = get_interface_gateway($realif);
|
|
474
|
if (!is_ipaddr($tgtip)) {
|
|
475
|
$tgtip = "none";
|
|
476
|
}
|
|
477
|
$srcip = find_interface_ip($realif);
|
|
478
|
} else {
|
|
479
|
$tgtip = $gwitem['monitor'];
|
|
480
|
$srcip = find_interface_ip($realif);
|
|
481
|
}
|
|
482
|
if ($byname == true) {
|
|
483
|
$target = $gwitem['name'];
|
|
484
|
} else {
|
|
485
|
$target = $tgtip;
|
|
486
|
}
|
|
487
|
|
|
488
|
/* failsafe for down interfaces */
|
|
489
|
if ($target == "none") {
|
|
490
|
$target = $gwitem['name'];
|
|
491
|
$status[$target]['name'] = $gwitem['name'];
|
|
492
|
$status[$target]['delay'] = "0.0ms";
|
|
493
|
$status[$target]['loss'] = "100.0%";
|
|
494
|
$status[$target]['status'] = "down";
|
|
495
|
} else {
|
|
496
|
$status[$target]['monitorip'] = $tgtip;
|
|
497
|
$status[$target]['srcip'] = $srcip;
|
|
498
|
$status[$target]['name'] = $gwitem['name'];
|
|
499
|
$status[$target]['delay'] = "";
|
|
500
|
$status[$target]['loss'] = "";
|
|
501
|
$status[$target]['status'] = "none";
|
|
502
|
}
|
|
503
|
|
|
504
|
$status[$target]['monitor_disable'] = true;
|
|
505
|
}
|
|
506
|
return($status);
|
|
507
|
}
|
|
508
|
|
|
509
|
function return_gateways_status_text($byname = false, $brief = false) {
|
|
510
|
$gwstat = return_gateways_status($byname);
|
|
511
|
$output = "";
|
|
512
|
$widths = array();
|
|
513
|
$col_sep = 2;
|
|
514
|
if ($brief) {
|
|
515
|
$collist = array('status' => "Status");
|
|
516
|
} else {
|
|
517
|
$collist = array('monitorip' => "Monitor",
|
|
518
|
'srcip' => "Source",
|
|
519
|
'delay' => "Delay",
|
|
520
|
'stddev' => "StdDev",
|
|
521
|
'loss' => "Loss",
|
|
522
|
'status' => "Status");
|
|
523
|
}
|
|
524
|
foreach ($gwstat as $gw) {
|
|
525
|
foreach ($gw as $gwdidx => $gwdata) {
|
|
526
|
if (strlen($gwdata) > $widths[$gwdidx]) {
|
|
527
|
$widths[$gwdidx] = strlen($gwdata);
|
|
528
|
}
|
|
529
|
}
|
|
530
|
}
|
|
531
|
|
|
532
|
$output .= str_pad("Name", $widths['name'] + $col_sep, " ", STR_PAD_RIGHT);
|
|
533
|
foreach ($collist as $hdrcol => $hdrdesc) {
|
|
534
|
if (strlen($hdrdesc) > $widths[$hdrcol]) {
|
|
535
|
$widths[$hdrcol] = strlen($hdrdesc);
|
|
536
|
}
|
|
537
|
$output .= str_pad($hdrdesc, $widths[$hdrcol] + $col_sep, " ", (substr($hdrcol, -2, 2) == "ip") ? STR_PAD_RIGHT : STR_PAD_LEFT);
|
|
538
|
}
|
|
539
|
$output .= "\n";
|
|
540
|
|
|
541
|
foreach ($gwstat as $idx => $gw) {
|
|
542
|
$output .= str_pad($gw['name'], $widths['name'] + $col_sep, " ", STR_PAD_RIGHT);
|
|
543
|
foreach (array_keys($collist) as $col) {
|
|
544
|
$output .= str_pad($gw[$col], $widths[$col] + $col_sep, " ", (substr($col, -2, 2) == "ip") ? STR_PAD_RIGHT : STR_PAD_LEFT);
|
|
545
|
}
|
|
546
|
$output .= "\n";
|
|
547
|
}
|
|
548
|
|
|
549
|
return $output;
|
|
550
|
}
|
|
551
|
|
|
552
|
/* Return all configured gateways on the system */
|
|
553
|
function return_gateways_array($disabled = false, $localhost = false, $inactive = false) {
|
|
554
|
global $config, $g;
|
|
555
|
|
|
556
|
$gateways_arr = array();
|
|
557
|
$gateways_arr_temp = array();
|
|
558
|
|
|
559
|
$found_defaultv4 = 0;
|
|
560
|
$found_defaultv6 = 0;
|
|
561
|
|
|
562
|
// Ensure the interface cache is up to date first
|
|
563
|
$interfaces = get_interface_arr(true);
|
|
564
|
|
|
565
|
$i = -1;
|
|
566
|
/* Process/add all the configured gateways. */
|
|
567
|
if (is_array($config['gateways']['gateway_item'])) {
|
|
568
|
foreach ($config['gateways']['gateway_item'] as $gateway) {
|
|
569
|
/* Increment it here to do not skip items */
|
|
570
|
$i++;
|
|
571
|
|
|
572
|
if (empty($config['interfaces'][$gateway['interface']])) {
|
|
573
|
if ($inactive === false) {
|
|
574
|
continue;
|
|
575
|
} else {
|
|
576
|
$gateway['inactive'] = true;
|
|
577
|
}
|
|
578
|
}
|
|
579
|
$wancfg = $config['interfaces'][$gateway['interface']];
|
|
580
|
|
|
581
|
/* skip disabled interfaces */
|
|
582
|
if ($disabled === false && (!isset($wancfg['enable']))) {
|
|
583
|
continue;
|
|
584
|
}
|
|
585
|
|
|
586
|
/* if the gateway is dynamic and we can find the IPv4, Great! */
|
|
587
|
if (empty($gateway['gateway']) || $gateway['gateway'] == "dynamic") {
|
|
588
|
if ($gateway['ipprotocol'] == "inet") {
|
|
589
|
/* we know which interfaces is dynamic, this should be made a function */
|
|
590
|
$gateway['gateway'] = get_interface_gateway($gateway['interface']);
|
|
591
|
/* no IP address found, set to dynamic */
|
|
592
|
if (!is_ipaddrv4($gateway['gateway'])) {
|
|
593
|
$gateway['gateway'] = "dynamic";
|
|
594
|
}
|
|
595
|
$gateway['dynamic'] = true;
|
|
596
|
}
|
|
597
|
|
|
598
|
/* if the gateway is dynamic and we can find the IPv6, Great! */
|
|
599
|
else if ($gateway['ipprotocol'] == "inet6") {
|
|
600
|
/* we know which interfaces is dynamic, this should be made a function, and for v6 too */
|
|
601
|
$gateway['gateway'] = get_interface_gateway_v6($gateway['interface']);
|
|
602
|
/* no IPv6 address found, set to dynamic */
|
|
603
|
if (!is_ipaddrv6($gateway['gateway'])) {
|
|
604
|
$gateway['gateway'] = "dynamic";
|
|
605
|
}
|
|
606
|
$gateway['dynamic'] = true;
|
|
607
|
}
|
|
608
|
} else {
|
|
609
|
/* getting this detection right is hard at this point because we still don't
|
|
610
|
* store the address family in the gateway item */
|
|
611
|
if (is_ipaddrv4($gateway['gateway'])) {
|
|
612
|
$gateway['ipprotocol'] = "inet";
|
|
613
|
} else if (is_ipaddrv6($gateway['gateway'])) {
|
|
614
|
$gateway['ipprotocol'] = "inet6";
|
|
615
|
}
|
|
616
|
}
|
|
617
|
|
|
618
|
if (isset($gateway['monitor_disable'])) {
|
|
619
|
$gateway['monitor_disable'] = true;
|
|
620
|
} else if (empty($gateway['monitor'])) {
|
|
621
|
$gateway['monitor'] = $gateway['gateway'];
|
|
622
|
}
|
|
623
|
|
|
624
|
if (isset($gateway['action_disable'])) {
|
|
625
|
$gateway['action_disable'] = true;
|
|
626
|
}
|
|
627
|
|
|
628
|
$gateway['friendlyiface'] = $gateway['interface'];
|
|
629
|
|
|
630
|
/* special treatment for tunnel interfaces */
|
|
631
|
if ($gateway['ipprotocol'] == "inet6") {
|
|
632
|
$gateway['interface'] = get_real_interface($gateway['interface'], "inet6", false, false);
|
|
633
|
} else {
|
|
634
|
$gateway['interface'] = get_real_interface($gateway['interface'], "inet", false, false);
|
|
635
|
}
|
|
636
|
|
|
637
|
/* entry has a default flag, use it */
|
|
638
|
if (isset($gateway['defaultgw'])) {
|
|
639
|
if ($gateway['ipprotocol'] == "inet") {
|
|
640
|
$gateway['defaultgw'] = true;
|
|
641
|
$found_defaultv4 = 1;
|
|
642
|
} else if ($gateway['ipprotocol'] == "inet6") {
|
|
643
|
$gateway['defaultgw'] = true;
|
|
644
|
$found_defaultv6 = 1;
|
|
645
|
}
|
|
646
|
}
|
|
647
|
/* include the gateway index as the attribute */
|
|
648
|
$gateway['attribute'] = $i;
|
|
649
|
|
|
650
|
/* Remember all the gateway names, even ones to be skipped because they are disabled. */
|
|
651
|
/* Then we can easily know and match them later when attempting to add dynamic gateways to the list. */
|
|
652
|
$gateways_arr_temp[$gateway['name']] = $gateway;
|
|
653
|
|
|
654
|
/* skip disabled gateways if the caller has not asked for them to be returned. */
|
|
655
|
if (!($disabled === false && isset($gateway['disabled']))) {
|
|
656
|
$gateways_arr[$gateway['name']] = $gateway;
|
|
657
|
}
|
|
658
|
}
|
|
659
|
}
|
|
660
|
unset($gateway);
|
|
661
|
|
|
662
|
/* Loop through all interfaces with a gateway and add it to a array */
|
|
663
|
if ($disabled == false) {
|
|
664
|
$iflist = get_configured_interface_with_descr();
|
|
665
|
} else {
|
|
666
|
$iflist = get_configured_interface_with_descr(false, true);
|
|
667
|
}
|
|
668
|
|
|
669
|
/* Process/add dynamic v4 gateways. */
|
|
670
|
foreach ($iflist as $ifname => $friendly) {
|
|
671
|
if (!interface_has_gateway($ifname)) {
|
|
672
|
continue;
|
|
673
|
}
|
|
674
|
|
|
675
|
if (empty($config['interfaces'][$ifname])) {
|
|
676
|
continue;
|
|
677
|
}
|
|
678
|
|
|
679
|
$ifcfg = &$config['interfaces'][$ifname];
|
|
680
|
if (!isset($ifcfg['enable'])) {
|
|
681
|
continue;
|
|
682
|
}
|
|
683
|
|
|
684
|
if (!empty($ifcfg['ipaddr']) && is_ipaddrv4($ifcfg['ipaddr'])) {
|
|
685
|
continue;
|
|
686
|
}
|
|
687
|
|
|
688
|
$ctype = "";
|
|
689
|
switch ($ifcfg['ipaddr']) {
|
|
690
|
case "dhcp":
|
|
691
|
case "pppoe":
|
|
692
|
case "l2tp":
|
|
693
|
case "pptp":
|
|
694
|
case "ppp":
|
|
695
|
$ctype = strtoupper($ifcfg['ipaddr']);
|
|
696
|
break;
|
|
697
|
default:
|
|
698
|
$tunnelif = substr($ifcfg['if'], 0, 3);
|
|
699
|
if (substr($ifcfg['if'], 0, 4) == "ovpn") {
|
|
700
|
// if current iface is an ovpn server endpoint then check its type, skip tap only
|
|
701
|
if (substr($ifcfg['if'], 4, 1) == 's') {
|
|
702
|
$ovpnid = substr($ifcfg['if'], 5);
|
|
703
|
if (is_array($config['openvpn']['openvpn-server'])) {
|
|
704
|
foreach ($config['openvpn']['openvpn-server'] as & $ovpnserverconf) {
|
|
705
|
if ($ovpnserverconf['vpnid'] == $ovpnid) {
|
|
706
|
if ($ovpnserverconf['dev_mode'] == "tap") {
|
|
707
|
continue 3;
|
|
708
|
}
|
|
709
|
}
|
|
710
|
}
|
|
711
|
}
|
|
712
|
}
|
|
713
|
$ctype = "VPNv4";
|
|
714
|
} else if ($tunnelif == "gif" || $tunnelif == "gre") {
|
|
715
|
$ctype = "TUNNELv4";
|
|
716
|
}
|
|
717
|
break;
|
|
718
|
}
|
|
719
|
$ctype = "_". strtoupper($ctype);
|
|
720
|
|
|
721
|
$gateway = array();
|
|
722
|
$gateway['dynamic'] = false;
|
|
723
|
$gateway['ipprotocol'] = "inet";
|
|
724
|
$gateway['gateway'] = get_interface_gateway($ifname, $gateway['dynamic']);
|
|
725
|
$gateway['interface'] = get_real_interface($ifname);
|
|
726
|
$gateway['friendlyiface'] = $ifname;
|
|
727
|
$gateway['name'] = "{$friendly}{$ctype}";
|
|
728
|
$gateway['attribute'] = "system";
|
|
729
|
|
|
730
|
if (($gateway['dynamic'] === "default") && ($found_defaultv4 == 0)) {
|
|
731
|
$gateway['defaultgw'] = true;
|
|
732
|
$gateway['dynamic'] = true;
|
|
733
|
$found_defaultv4 = 1;
|
|
734
|
}
|
|
735
|
/* Loopback dummy for dynamic interfaces without a IP */
|
|
736
|
if (!is_ipaddrv4($gateway['gateway']) && $gateway['dynamic'] == true) {
|
|
737
|
$gateway['gateway'] = "dynamic";
|
|
738
|
}
|
|
739
|
|
|
740
|
/* automatically skip known static and dynamic gateways that were previously processed */
|
|
741
|
foreach ($gateways_arr_temp as $gateway_item) {
|
|
742
|
if ((($ifname == $gateway_item['friendlyiface'] && $friendly == $gateway_item['name'])&& ($gateway['ipprotocol'] == $gateway_item['ipprotocol'])) ||
|
|
743
|
(($ifname == $gateway_item['friendlyiface'] && $gateway_item['dynamic'] == true) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol']))) {
|
|
744
|
continue 2;
|
|
745
|
}
|
|
746
|
}
|
|
747
|
|
|
748
|
if (is_ipaddrv4($gateway['gateway'])) {
|
|
749
|
$gateway['monitor'] = $gateway['gateway'];
|
|
750
|
}
|
|
751
|
|
|
752
|
$gateway['descr'] = "Interface {$friendly}{$ctype} Gateway";
|
|
753
|
$gateways_arr[$gateway['name']] = $gateway;
|
|
754
|
}
|
|
755
|
unset($gateway);
|
|
756
|
|
|
757
|
/* Process/add dynamic v6 gateways. */
|
|
758
|
foreach ($iflist as $ifname => $friendly) {
|
|
759
|
/* If the user has disabled IPv6, they probably don't want any IPv6 gateways. */
|
|
760
|
if (!isset($config['system']['ipv6allow'])) {
|
|
761
|
break;
|
|
762
|
}
|
|
763
|
|
|
764
|
if (!interface_has_gatewayv6($ifname)) {
|
|
765
|
continue;
|
|
766
|
}
|
|
767
|
|
|
768
|
if (empty($config['interfaces'][$ifname])) {
|
|
769
|
continue;
|
|
770
|
}
|
|
771
|
|
|
772
|
$ifcfg = &$config['interfaces'][$ifname];
|
|
773
|
if (!isset($ifcfg['enable'])) {
|
|
774
|
continue;
|
|
775
|
}
|
|
776
|
|
|
777
|
if (!empty($ifcfg['ipaddrv6']) && is_ipaddrv6($ifcfg['ipaddrv6'])) {
|
|
778
|
continue;
|
|
779
|
}
|
|
780
|
|
|
781
|
$ctype = "";
|
|
782
|
switch ($ifcfg['ipaddrv6']) {
|
|
783
|
case "slaac":
|
|
784
|
case "dhcp6":
|
|
785
|
case "6to4":
|
|
786
|
case "6rd":
|
|
787
|
$ctype = strtoupper($ifcfg['ipaddrv6']);
|
|
788
|
break;
|
|
789
|
default:
|
|
790
|
$tunnelif = substr($ifcfg['if'], 0, 3);
|
|
791
|
if (substr($ifcfg['if'], 0, 4) == "ovpn") {
|
|
792
|
// if current iface is an ovpn server endpoint then check its type, skip tap only
|
|
793
|
if (substr($ifcfg['if'], 4, 1) == 's') {
|
|
794
|
$ovpnid = substr($ifcfg['if'], 5);
|
|
795
|
if (is_array($config['openvpn']['openvpn-server'])) {
|
|
796
|
foreach ($config['openvpn']['openvpn-server'] as & $ovpnserverconf) {
|
|
797
|
if ($ovpnserverconf['vpnid'] == $ovpnid) {
|
|
798
|
if ($ovpnserverconf['dev_mode'] == "tap") {
|
|
799
|
continue 3;
|
|
800
|
}
|
|
801
|
}
|
|
802
|
}
|
|
803
|
}
|
|
804
|
}
|
|
805
|
$ctype = "VPNv6";
|
|
806
|
} else if ($tunnelif == "gif" || $tunnelif == "gre") {
|
|
807
|
$ctype = "TUNNELv6";
|
|
808
|
}
|
|
809
|
break;
|
|
810
|
}
|
|
811
|
$ctype = "_". strtoupper($ctype);
|
|
812
|
|
|
813
|
$gateway = array();
|
|
814
|
$gateway['dynamic'] = false;
|
|
815
|
$gateway['ipprotocol'] = "inet6";
|
|
816
|
$gateway['gateway'] = get_interface_gateway_v6($ifname, $gateway['dynamic']);
|
|
817
|
$gateway['interface'] = get_real_interface($ifname, "inet6");
|
|
818
|
switch ($ifcfg['ipaddrv6']) {
|
|
819
|
case "6rd":
|
|
820
|
case "6to4":
|
|
821
|
$gateway['dynamic'] = "default";
|
|
822
|
break;
|
|
823
|
}
|
|
824
|
$gateway['friendlyiface'] = $ifname;
|
|
825
|
$gateway['name'] = "{$friendly}{$ctype}";
|
|
826
|
$gateway['attribute'] = "system";
|
|
827
|
|
|
828
|
if (($gateway['dynamic'] === "default") && ($found_defaultv6 == 0)) {
|
|
829
|
$gateway['defaultgw'] = true;
|
|
830
|
$gateway['dynamic'] = true;
|
|
831
|
$found_defaultv6 = 1;
|
|
832
|
}
|
|
833
|
|
|
834
|
/* Loopback dummy for dynamic interfaces without a IP */
|
|
835
|
if (!is_ipaddrv6($gateway['gateway']) && $gateway['dynamic'] == true) {
|
|
836
|
$gateway['gateway'] = "dynamic";
|
|
837
|
}
|
|
838
|
|
|
839
|
/* automatically skip known static and dynamic gateways that were previously processed */
|
|
840
|
foreach ($gateways_arr_temp as $gateway_item) {
|
|
841
|
if ((($ifname == $gateway_item['friendlyiface'] && $friendly == $gateway_item['name']) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol'])) ||
|
|
842
|
(($ifname == $gateway_item['friendlyiface'] && $gateway_item['dynamic'] == true) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol']))) {
|
|
843
|
continue 2;
|
|
844
|
}
|
|
845
|
}
|
|
846
|
|
|
847
|
if (is_ipaddrv6($gateway['gateway'])) {
|
|
848
|
$gateway['monitor'] = $gateway['gateway'];
|
|
849
|
}
|
|
850
|
|
|
851
|
$gateway['descr'] = "Interface {$friendly}{$ctype} Gateway";
|
|
852
|
$gateways_arr[$gateway['name']] = $gateway;
|
|
853
|
}
|
|
854
|
unset($gateway);
|
|
855
|
|
|
856
|
/* FIXME: Should this be enabled.
|
|
857
|
* Some interface like wan might be default but have no info recorded
|
|
858
|
* the config. */
|
|
859
|
/* this is a fallback if all else fails and we want to get packets out @smos */
|
|
860
|
if ($found_defaultv4 == 0 || $found_defaultv6 == 0) {
|
|
861
|
foreach ($gateways_arr as &$gateway) {
|
|
862
|
if (($gateway['friendlyiface'] == "wan") && ($found_defaultv4 == 0) && (!isset($gateway['ipprotocol']) || ($gateway['ipprotocol'] == "inet"))) {
|
|
863
|
if (file_exists("{$g['tmp_path']}/{$gateway['interface']}_defaultgw")) {
|
|
864
|
$gateway['defaultgw'] = true;
|
|
865
|
$found_defaultv4 = 1;
|
|
866
|
}
|
|
867
|
}
|
|
868
|
else if (($gateway['friendlyiface'] == "wan") && ($found_defaultv6 == 0) && ($gateway['ipprotocol'] == "inet6")) {
|
|
869
|
if (file_exists("{$g['tmp_path']}/{$gateway['interface']}_defaultgwv6")) {
|
|
870
|
$gateway['defaultgw'] = true;
|
|
871
|
$found_defaultv6 = 1;
|
|
872
|
}
|
|
873
|
}
|
|
874
|
}
|
|
875
|
}
|
|
876
|
|
|
877
|
if ($localhost === true) {
|
|
878
|
/* attach localhost for Null routes */
|
|
879
|
$gwlo4 = array();
|
|
880
|
$gwlo4['name'] = "Null4";
|
|
881
|
$gwlo4['interface'] = "lo0";
|
|
882
|
$gwlo4['ipprotocol'] = "inet";
|
|
883
|
$gwlo4['gateway'] = "127.0.0.1";
|
|
884
|
$gwlo6 = array();
|
|
885
|
$gwlo6['name'] = "Null6";
|
|
886
|
$gwlo6['interface'] = "lo0";
|
|
887
|
$gwlo6['ipprotocol'] = "inet6";
|
|
888
|
$gwlo6['gateway'] = "::1";
|
|
889
|
$gateways_arr['Null4'] = $gwlo4;
|
|
890
|
$gateways_arr['Null6'] = $gwlo6;
|
|
891
|
}
|
|
892
|
return($gateways_arr);
|
|
893
|
}
|
|
894
|
|
|
895
|
function fixup_default_gateway($ipprotocol, $gateways_status, $gateways_arr) {
|
|
896
|
global $config, $g;
|
|
897
|
/*
|
|
898
|
* NOTE: The code below is meant to replace the default gateway when it goes down.
|
|
899
|
* This facilitates services running on pfSense itself and are not handled by a PBR to continue working.
|
|
900
|
*/
|
|
901
|
$upgw = '';
|
|
902
|
$dfltgwname = '';
|
|
903
|
$dfltgwdown = false;
|
|
904
|
$dfltgwfound = false;
|
|
905
|
foreach ($gateways_arr as $gwname => $gwsttng) {
|
|
906
|
if (($gwsttng['ipprotocol'] == $ipprotocol) && isset($gwsttng['defaultgw'])) {
|
|
907
|
$dfltgwfound = true;
|
|
908
|
$dfltgwname = $gwname;
|
|
909
|
if (!isset($gwsttng['monitor_disable']) && !isset($gwsttng['action_disable']) && $gateways_status[$gwname]['status'] != "none") {
|
|
910
|
$dfltgwdown = true;
|
|
911
|
}
|
|
912
|
}
|
|
913
|
/* Keep a record of the last up gateway */
|
|
914
|
/* XXX: Blacklist lan for now since it might cause issues to those who have a gateway set for it */
|
|
915
|
if (empty($upgw) && ($gwsttng['ipprotocol'] == $ipprotocol) && (isset($gwsttng['monitor_disable']) || isset($gwsttng['action_disable']) || $gateways_status[$gwname]['status'] == "none") && $gwsttng[$gwname]['friendlyiface'] != "lan") {
|
|
916
|
$upgw = $gwname;
|
|
917
|
}
|
|
918
|
if ($dfltgwdown == true && !empty($upgw)) {
|
|
919
|
break;
|
|
920
|
}
|
|
921
|
}
|
|
922
|
if ($dfltgwfound == false) {
|
|
923
|
$gwname = convert_friendly_interface_to_friendly_descr("wan");
|
|
924
|
if (!empty($gateways_status[$gwname]) && stristr($gateways_status[$gwname]['status'], "down")) {
|
|
925
|
$dfltgwdown = true;
|
|
926
|
}
|
|
927
|
}
|
|
928
|
if ($dfltgwdown == true && !empty($upgw)) {
|
|
929
|
if ($gateways_arr[$upgw]['gateway'] == "dynamic") {
|
|
930
|
$gateways_arr[$upgw]['gateway'] = get_interface_gateway($gateways_arr[$upgw]['friendlyiface']);
|
|
931
|
}
|
|
932
|
if (is_ipaddr($gateways_arr[$upgw]['gateway'])) {
|
|
933
|
log_error("Default gateway down setting {$upgw} as default!");
|
|
934
|
if (is_ipaddrv6($gateways_arr[$upgw]['gateway'])) {
|
|
935
|
$inetfamily = "-inet6";
|
|
936
|
if (is_linklocal($gateways_arr[$upgw]['gateway']) && get_ll_scope($gateways_arr[$upgw]['gateway']) == '') {
|
|
937
|
$gateways_arr[$upgw]['gateway'] .= "%" . $gateways_arr[$upgw]['interface'];
|
|
938
|
}
|
|
939
|
} else {
|
|
940
|
$inetfamily = "-inet";
|
|
941
|
}
|
|
942
|
mwexec("/sbin/route change {$inetfamily} default {$gateways_arr[$upgw]['gateway']}");
|
|
943
|
}
|
|
944
|
} else if (!empty($dfltgwname)) {
|
|
945
|
$defaultgw = trim(exec("/sbin/route -n get -{$ipprotocol} default | /usr/bin/awk '/gateway:/ {print $2}'"), " \n");
|
|
946
|
if ($ipprotocol == 'inet6' && !is_ipaddrv6($gateways_arr[$dfltgwname]['gateway'])) {
|
|
947
|
return;
|
|
948
|
}
|
|
949
|
if ($ipprotocol == 'inet' && !is_ipaddrv4($gateways_arr[$dfltgwname]['gateway'])) {
|
|
950
|
return;
|
|
951
|
}
|
|
952
|
if ($ipprotocol == 'inet6') {
|
|
953
|
if (is_linklocal($gateways_arr[$upgw]['gateway']) && get_ll_scope($gateways_arr[$upgw]['gateway']) == '') {
|
|
954
|
$gateways_arr[$upgw]['gateway'] .= "%" . $gateways_arr[$upgw]['interface'];
|
|
955
|
}
|
|
956
|
if (is_linklocal($gateways_arr[$dfltgwname]['gateway']) && get_ll_scope($gateways_arr[$dfltgwname]['gateway']) == '') {
|
|
957
|
$gateways_arr[$dfltgwname]['gateway'] .= "%" . $gateways_arr[$dfltgwname]['interface'];
|
|
958
|
}
|
|
959
|
}
|
|
960
|
if ($defaultgw != $gateways_arr[$dfltgwname]['gateway']) {
|
|
961
|
mwexec("/sbin/route change -{$ipprotocol} default {$gateways_arr[$dfltgwname]['gateway']}");
|
|
962
|
}
|
|
963
|
}
|
|
964
|
}
|
|
965
|
|
|
966
|
/*
|
|
967
|
* Return an array with all gateway groups with name as key
|
|
968
|
* All gateway groups will be processed before returning the array.
|
|
969
|
*/
|
|
970
|
function return_gateway_groups_array() {
|
|
971
|
global $config, $g;
|
|
972
|
|
|
973
|
/* fetch the current gateways status */
|
|
974
|
$gateways_status = return_gateways_status(true);
|
|
975
|
$gateways_arr = return_gateways_array();
|
|
976
|
$gateway_groups_array = array();
|
|
977
|
|
|
978
|
if (isset($config['system']['gw_switch_default'])) {
|
|
979
|
fixup_default_gateway("inet", $gateways_status, $gateways_arr);
|
|
980
|
fixup_default_gateway("inet6", $gateways_status, $gateways_arr);
|
|
981
|
}
|
|
982
|
if (is_array($config['gateways']['gateway_group'])) {
|
|
983
|
$viplist = get_configured_vip_list();
|
|
984
|
foreach ($config['gateways']['gateway_group'] as $group) {
|
|
985
|
$gateway_groups_array[$group['name']]['descr'] = $group['descr'];
|
|
986
|
/* create array with group gateways members separated by tier */
|
|
987
|
$tiers = array();
|
|
988
|
$backupplan = array();
|
|
989
|
$gwvip_arr = array();
|
|
990
|
foreach ($group['item'] as $item) {
|
|
991
|
list($gwname, $tier, $vipname) = explode("|", $item);
|
|
992
|
|
|
993
|
if (is_ipaddr($viplist[$vipname])) {
|
|
994
|
if (!is_array($gwvip_arr[$group['name']])) {
|
|
995
|
$gwvip_arr[$group['name']] = array();
|
|
996
|
}
|
|
997
|
$gwvip_arr[$group['name']][$gwname] = $vipname;
|
|
998
|
}
|
|
999
|
|
|
1000
|
/* Do it here rather than reiterating again the group in case no member is up. */
|
|
1001
|
if (!is_array($backupplan[$tier])) {
|
|
1002
|
$backupplan[$tier] = array();
|
|
1003
|
}
|
|
1004
|
$backupplan[$tier][] = $gwname;
|
|
1005
|
|
|
1006
|
/* check if the gateway is available before adding it to the array */
|
|
1007
|
if (is_array($gateways_status[$gwname])) {
|
|
1008
|
$status = $gateways_status[$gwname];
|
|
1009
|
$gwdown = false;
|
|
1010
|
if (stristr($status['status'], "down")) {
|
|
1011
|
$msg = sprintf(gettext('MONITOR: %1$s is down, omitting from routing group %2$s'), $gwname, $group['name']);
|
|
1012
|
$gwdown = true;
|
|
1013
|
} else if (stristr($status['status'], "loss") && strstr($group['trigger'], "loss")) {
|
|
1014
|
/* packet loss */
|
|
1015
|
$msg = sprintf(gettext('MONITOR: %1$s has packet loss, omitting from routing group %2$s'), $gwname, $group['name']);
|
|
1016
|
$gwdown = true;
|
|
1017
|
} else if (stristr($status['status'], "delay") && strstr($group['trigger'] , "latency")) {
|
|
1018
|
/* high latency */
|
|
1019
|
$msg = sprintf(gettext('MONITOR: %1$s has high latency, omitting from routing group %2$s'), $gwname, $group['name']);
|
|
1020
|
$gwdown = true;
|
|
1021
|
}
|
|
1022
|
if ($gwdown == true) {
|
|
1023
|
if (!file_exists("/tmp/.down.{$gwname}")) {
|
|
1024
|
$msg .= "\n".implode("|", $status);
|
|
1025
|
touch("/tmp/.down.{$gwname}");
|
|
1026
|
log_error($msg);
|
|
1027
|
notify_via_growl($msg);
|
|
1028
|
notify_via_smtp($msg);
|
|
1029
|
}
|
|
1030
|
} else {
|
|
1031
|
/* Online add member */
|
|
1032
|
if (!is_array($tiers[$tier])) {
|
|
1033
|
$tiers[$tier] = array();
|
|
1034
|
}
|
|
1035
|
$tiers[$tier][] = $gwname;
|
|
1036
|
if (unlink_if_exists("/tmp/.down.{$gwname}")) {
|
|
1037
|
$msg = sprintf(gettext('MONITOR: %1$s is available now, adding to routing group %2$s'), $gwname, $group['name']);
|
|
1038
|
$msg .= "\n".implode("|", $status);
|
|
1039
|
log_error($msg);
|
|
1040
|
notify_via_growl($msg);
|
|
1041
|
notify_via_smtp($msg);
|
|
1042
|
}
|
|
1043
|
}
|
|
1044
|
} else if (isset($gateways_arr[$gwname]['monitor_disable']) || isset($gateways_arr[$gwname]['action_disable'])) {
|
|
1045
|
$tiers[$tier][] = $gwname;
|
|
1046
|
}
|
|
1047
|
}
|
|
1048
|
$tiers_count = count($tiers);
|
|
1049
|
if ($tiers_count == 0) {
|
|
1050
|
/* Oh dear, we have no members! Engage Plan B */
|
|
1051
|
if (!platform_booting()) {
|
|
1052
|
$msg = sprintf(gettext('Gateways status could not be determined, considering all as up/active. (Group: %s)'), $group['name']);
|
|
1053
|
log_error($msg);
|
|
1054
|
notify_via_growl($msg);
|
|
1055
|
//notify_via_smtp($msg);
|
|
1056
|
}
|
|
1057
|
$tiers = $backupplan;
|
|
1058
|
}
|
|
1059
|
/* sort the tiers array by the tier key */
|
|
1060
|
ksort($tiers);
|
|
1061
|
|
|
1062
|
/* we do not really foreach the tiers as we stop after the first tier */
|
|
1063
|
foreach ($tiers as $tieridx => $tier) {
|
|
1064
|
/* process all gateways in this tier */
|
|
1065
|
foreach ($tier as $member) {
|
|
1066
|
/* determine interface gateway */
|
|
1067
|
if (isset($gateways_arr[$member])) {
|
|
1068
|
$gateway = $gateways_arr[$member];
|
|
1069
|
$int = $gateway['interface'];
|
|
1070
|
$gatewayip = "";
|
|
1071
|
if (is_ipaddr($gateway['gateway'])) {
|
|
1072
|
$gatewayip = $gateway['gateway'];
|
|
1073
|
} else if (!empty($int)) {
|
|
1074
|
$gatewayip = get_interface_gateway($gateway['friendlyiface']);
|
|
1075
|
}
|
|
1076
|
|
|
1077
|
if (!empty($int)) {
|
|
1078
|
$gateway_groups_array[$group['name']]['ipprotocol'] = $gateway['ipprotocol'];
|
|
1079
|
if (is_ipaddr($gatewayip)) {
|
|
1080
|
$groupmember = array();
|
|
1081
|
$groupmember['int'] = $int;
|
|
1082
|
$groupmember['gwip'] = $gatewayip;
|
|
1083
|
$groupmember['weight'] = isset($gateway['weight']) ? $gateway['weight'] : 1;
|
|
1084
|
if (is_array($gwvip_arr[$group['name']]) && !empty($gwvip_arr[$group['name']][$member]))
|
|
1085
|
$groupmember['vip'] = $gwvip_arr[$group['name']][$member];
|
|
1086
|
$gateway_groups_array[$group['name']][] = $groupmember;
|
|
1087
|
}
|
|
1088
|
}
|
|
1089
|
}
|
|
1090
|
}
|
|
1091
|
/* we should have the 1st available tier now, exit stage left */
|
|
1092
|
if (count($gateway_groups_array[$group['name']]) > 0) {
|
|
1093
|
break;
|
|
1094
|
} else {
|
|
1095
|
log_error(sprintf(gettext('GATEWAYS: Group %1$s did not have any gateways up on tier %2$s!'), $group['name'], $tieridx));
|
|
1096
|
}
|
|
1097
|
}
|
|
1098
|
}
|
|
1099
|
}
|
|
1100
|
|
|
1101
|
return ($gateway_groups_array);
|
|
1102
|
}
|
|
1103
|
|
|
1104
|
/* Update DHCP WAN Interface ip address in gateway group item */
|
|
1105
|
function dhclient_update_gateway_groups_defaultroute($interface = "wan") {
|
|
1106
|
global $config, $g;
|
|
1107
|
foreach ($config['gateways']['gateway_item'] as & $gw) {
|
|
1108
|
if ($gw['interface'] == $interface) {
|
|
1109
|
$current_gw = get_interface_gateway($interface);
|
|
1110
|
if ($gw['gateway'] <> $current_gw) {
|
|
1111
|
$gw['gateway'] = $current_gw;
|
|
1112
|
$changed = true;
|
|
1113
|
}
|
|
1114
|
}
|
|
1115
|
}
|
|
1116
|
if ($changed && $current_gw) {
|
|
1117
|
write_config(sprintf(gettext('Updating gateway group gateway for %1$s - new gateway is %2$s'), $interface, $current_gw));
|
|
1118
|
}
|
|
1119
|
}
|
|
1120
|
|
|
1121
|
function lookup_gateway_ip_by_name($name, $disabled = false) {
|
|
1122
|
|
|
1123
|
$gateways_arr = return_gateways_array($disabled, true);
|
|
1124
|
foreach ($gateways_arr as $gname => $gw) {
|
|
1125
|
if ($gw['name'] === $name || $gname === $name) {
|
|
1126
|
return $gw['gateway'];
|
|
1127
|
}
|
|
1128
|
}
|
|
1129
|
|
|
1130
|
return false;
|
|
1131
|
}
|
|
1132
|
|
|
1133
|
function lookup_gateway_monitor_ip_by_name($name) {
|
|
1134
|
|
|
1135
|
$gateways_arr = return_gateways_array(false, true);
|
|
1136
|
if (!empty($gateways_arr[$name])) {
|
|
1137
|
$gateway = $gateways_arr[$name];
|
|
1138
|
if (!is_ipaddr($gateway['monitor'])) {
|
|
1139
|
return $gateway['gateway'];
|
|
1140
|
}
|
|
1141
|
|
|
1142
|
return $gateway['monitor'];
|
|
1143
|
}
|
|
1144
|
|
|
1145
|
return (false);
|
|
1146
|
}
|
|
1147
|
|
|
1148
|
function lookup_gateway_interface_by_name($name) {
|
|
1149
|
|
|
1150
|
$gateways_arr = return_gateways_array(false, true);
|
|
1151
|
if (!empty($gateways_arr[$name])) {
|
|
1152
|
$interfacegw = $gateways_arr[$name]['friendlyiface'];
|
|
1153
|
return ($interfacegw);
|
|
1154
|
}
|
|
1155
|
|
|
1156
|
return (false);
|
|
1157
|
}
|
|
1158
|
|
|
1159
|
function get_interface_gateway($interface, &$dynamic = false) {
|
|
1160
|
global $config, $g;
|
|
1161
|
|
|
1162
|
if (substr($interface, 0, 4) == '_vip') {
|
|
1163
|
$interface = get_configured_vip_interface($interface);
|
|
1164
|
if (substr($interface, 0, 4) == '_vip') {
|
|
1165
|
$interface = get_configured_vip_interface($interface);
|
|
1166
|
}
|
|
1167
|
}
|
|
1168
|
|
|
1169
|
$gw = NULL;
|
|
1170
|
$gwcfg = $config['interfaces'][$interface];
|
|
1171
|
if (!empty($gwcfg['gateway']) && is_array($config['gateways']['gateway_item'])) {
|
|
1172
|
foreach ($config['gateways']['gateway_item'] as $gateway) {
|
|
1173
|
if (($gateway['name'] == $gwcfg['gateway']) && (is_ipaddrv4($gateway['gateway']))) {
|
|
1174
|
$gw = $gateway['gateway'];
|
|
1175
|
break;
|
|
1176
|
}
|
|
1177
|
}
|
|
1178
|
}
|
|
1179
|
|
|
1180
|
// for dynamic interfaces we handle them through the $interface_router file.
|
|
1181
|
if (($gw == NULL || !is_ipaddrv4($gw)) && !is_ipaddrv4($gwcfg['ipaddr'])) {
|
|
1182
|
$realif = get_real_interface($interface);
|
|
1183
|
if (file_exists("{$g['tmp_path']}/{$realif}_router")) {
|
|
1184
|
$gw = trim(file_get_contents("{$g['tmp_path']}/{$realif}_router"), " \n");
|
|
1185
|
$dynamic = true;
|
|
1186
|
}
|
|
1187
|
if (file_exists("{$g['tmp_path']}/{$realif}_defaultgw")) {
|
|
1188
|
$dynamic = "default";
|
|
1189
|
}
|
|
1190
|
|
|
1191
|
}
|
|
1192
|
|
|
1193
|
/* return gateway */
|
|
1194
|
return ($gw);
|
|
1195
|
}
|
|
1196
|
|
|
1197
|
function get_interface_gateway_v6($interface, &$dynamic = false) {
|
|
1198
|
global $config, $g;
|
|
1199
|
|
|
1200
|
if (substr($interface, 0, 4) == '_vip') {
|
|
1201
|
$interface = get_configured_vip_interface($interface);
|
|
1202
|
if (substr($interface, 0, 4) == '_vip') {
|
|
1203
|
$interface = get_configured_vip_interface($interface);
|
|
1204
|
}
|
|
1205
|
}
|
|
1206
|
|
|
1207
|
$gw = NULL;
|
|
1208
|
$gwcfg = $config['interfaces'][$interface];
|
|
1209
|
if (!empty($gwcfg['gatewayv6']) && is_array($config['gateways']['gateway_item'])) {
|
|
1210
|
foreach ($config['gateways']['gateway_item'] as $gateway) {
|
|
1211
|
if (($gateway['name'] == $gwcfg['gatewayv6']) && (is_ipaddrv6($gateway['gateway']))) {
|
|
1212
|
$gw = $gateway['gateway'];
|
|
1213
|
break;
|
|
1214
|
}
|
|
1215
|
}
|
|
1216
|
}
|
|
1217
|
|
|
1218
|
// for dynamic interfaces we handle them through the $interface_router file.
|
|
1219
|
if (($gw == NULL || !is_ipaddrv6($gw)) && !is_ipaddrv6($gwcfg['ipaddrv6'])) {
|
|
1220
|
$realif = get_real_interface($interface);
|
|
1221
|
if (file_exists("{$g['tmp_path']}/{$realif}_routerv6")) {
|
|
1222
|
$gw = trim(file_get_contents("{$g['tmp_path']}/{$realif}_routerv6"), " \n");
|
|
1223
|
$dynamic = true;
|
|
1224
|
}
|
|
1225
|
if (file_exists("{$g['tmp_path']}/{$realif}_defaultgwv6")) {
|
|
1226
|
$dynamic = "default";
|
|
1227
|
}
|
|
1228
|
}
|
|
1229
|
/* return gateway */
|
|
1230
|
return ($gw);
|
|
1231
|
}
|
|
1232
|
|
|
1233
|
/* Check a IP address against a gateway IP or name
|
|
1234
|
* to verify it's address family */
|
|
1235
|
function validate_address_family($ipaddr, $gwname, $disabled = false) {
|
|
1236
|
$v4ip = false;
|
|
1237
|
$v6ip = false;
|
|
1238
|
$v4gw = false;
|
|
1239
|
$v6gw = false;
|
|
1240
|
|
|
1241
|
if (is_ipaddrv4($ipaddr)) {
|
|
1242
|
$v4ip = true;
|
|
1243
|
}
|
|
1244
|
if (is_ipaddrv6($ipaddr)) {
|
|
1245
|
$v6ip = true;
|
|
1246
|
}
|
|
1247
|
if (is_ipaddrv4($gwname)) {
|
|
1248
|
$v4gw = true;
|
|
1249
|
}
|
|
1250
|
if (is_ipaddrv6($gwname)) {
|
|
1251
|
$v6gw = true;
|
|
1252
|
}
|
|
1253
|
|
|
1254
|
if ($v4ip && $v4gw) {
|
|
1255
|
return true;
|
|
1256
|
}
|
|
1257
|
if ($v6ip && $v6gw) {
|
|
1258
|
return true;
|
|
1259
|
}
|
|
1260
|
|
|
1261
|
/* still no match, carry on, lookup gateways */
|
|
1262
|
if (is_ipaddrv4(lookup_gateway_ip_by_name($gwname, $disabled))) {
|
|
1263
|
$v4gw = true;
|
|
1264
|
}
|
|
1265
|
if (is_ipaddrv6(lookup_gateway_ip_by_name($gwname, $disabled))) {
|
|
1266
|
$v6gw = true;
|
|
1267
|
}
|
|
1268
|
|
|
1269
|
$gw_array = return_gateways_array();
|
|
1270
|
if (is_array($gw_array[$gwname])) {
|
|
1271
|
switch ($gw_array[$gwname]['ipprotocol']) {
|
|
1272
|
case "inet":
|
|
1273
|
$v4gw = true;
|
|
1274
|
break;
|
|
1275
|
case "inet6":
|
|
1276
|
$v6gw = true;
|
|
1277
|
break;
|
|
1278
|
}
|
|
1279
|
}
|
|
1280
|
|
|
1281
|
if ($v4ip && $v4gw) {
|
|
1282
|
return true;
|
|
1283
|
}
|
|
1284
|
if ($v6ip && $v6gw) {
|
|
1285
|
return true;
|
|
1286
|
}
|
|
1287
|
|
|
1288
|
return false;
|
|
1289
|
}
|
|
1290
|
|
|
1291
|
/* check if a interface is part of a gateway group */
|
|
1292
|
function interface_gateway_group_member($interface) {
|
|
1293
|
global $config;
|
|
1294
|
|
|
1295
|
if (is_array($config['gateways']['gateway_group'])) {
|
|
1296
|
$groups = $config['gateways']['gateway_group'];
|
|
1297
|
} else {
|
|
1298
|
return false;
|
|
1299
|
}
|
|
1300
|
|
|
1301
|
$gateways_arr = return_gateways_array(false, true);
|
|
1302
|
foreach ($groups as $group) {
|
|
1303
|
if (is_array($group['item'])) {
|
|
1304
|
foreach ($group['item'] as $item) {
|
|
1305
|
$elements = explode("|", $item);
|
|
1306
|
$gwname = $elements[0];
|
|
1307
|
if ($interface == $gateways_arr[$gwname]['interface']) {
|
|
1308
|
unset($gateways_arr);
|
|
1309
|
return true;
|
|
1310
|
}
|
|
1311
|
}
|
|
1312
|
}
|
|
1313
|
}
|
|
1314
|
unset($gateways_arr);
|
|
1315
|
|
|
1316
|
return false;
|
|
1317
|
}
|
|
1318
|
|
|
1319
|
function gateway_is_gwgroup_member($name) {
|
|
1320
|
global $config;
|
|
1321
|
|
|
1322
|
if (is_array($config['gateways']['gateway_group'])) {
|
|
1323
|
$groups = $config['gateways']['gateway_group'];
|
|
1324
|
} else {
|
|
1325
|
return false;
|
|
1326
|
}
|
|
1327
|
|
|
1328
|
$members = array();
|
|
1329
|
foreach ($groups as $group) {
|
|
1330
|
if (is_array($group['item'])) {
|
|
1331
|
foreach ($group['item'] as $item) {
|
|
1332
|
$elements = explode("|", $item);
|
|
1333
|
$gwname = $elements[0];
|
|
1334
|
if ($name == $elements[0]) {
|
|
1335
|
$members[] = $group['name'];
|
|
1336
|
}
|
|
1337
|
}
|
|
1338
|
}
|
|
1339
|
}
|
|
1340
|
|
|
1341
|
return $members;
|
|
1342
|
}
|
|
1343
|
?>
|