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<?php
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/*
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gwlb.inc
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Copyright (C) 2008 Bill Marquette, Seth Mos
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Copyright (C) 2010 Ermal Luçi
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
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AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
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OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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pfSense_BUILDER_BINARIES: /sbin/route /usr/local/sbin/apinger
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pfSense_MODULE: routing
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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 apinger.conf */
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function return_apinger_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" => "1",
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"down" => "10",
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"avg_delay_samples" => "10",
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"avg_loss_samples" => "50",
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"avg_loss_delay_samples" => "20");
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}
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/*
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* Creates monitoring configuration file and
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* adds appropriate static routes.
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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($gateways_arr)) {
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log_error("No gateways to monitor. Apinger will not be run.");
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killbypid("{$g['varrun_path']}/apinger.pid");
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@unlink("{$g['varrun_path']}/apinger.status");
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return;
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}
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$apinger_debug = "";
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if (isset($config['system']['apinger_debug'])) {
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$apinger_debug = "debug on";
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}
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$apinger_default = return_apinger_defaults();
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$apingerconfig = <<<EOD
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# pfSense apinger configuration file. Automatically Generated!
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{$apinger_debug}
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## User and group the pinger should run as
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user "root"
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group "wheel"
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## Mailer to use (default: "/usr/lib/sendmail -t")
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#mailer "/var/qmail/bin/qmail-inject"
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## Location of the pid-file (default: "/var/run/apinger.pid")
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pid_file "{$g['varrun_path']}/apinger.pid"
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## Format of timestamp (%s macro) (default: "%b %d %H:%M:%S")
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#timestamp_format "%Y%m%d%H%M%S"
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status {
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## File where the status information should be written to
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file "{$g['varrun_path']}/apinger.status"
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## Interval between file updates
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## when 0 or not set, file is written only when SIGUSR1 is received
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interval 5s
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}
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########################################
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# RRDTool status gathering configuration
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# Interval between RRD updates
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rrd interval 60s;
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## These parameters can be overridden in a specific alarm configuration
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alarm default {
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command on "/usr/local/sbin/pfSctl -c 'service reload dyndns %T' -c 'service reload ipsecdns' -c 'service reload openvpn %T' -c 'filter reload' "
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command off "/usr/local/sbin/pfSctl -c 'service reload dyndns %T' -c 'service reload ipsecdns' -c 'service reload openvpn %T' -c 'filter reload' "
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combine 10s
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}
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## "Down" alarm definition.
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## This alarm will be fired when target doesn't respond for 30 seconds.
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alarm down "down" {
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time {$apinger_default['down']}s
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}
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## "Delay" alarm definition.
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## This alarm will be fired when responses are delayed more than 200ms
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## it will be canceled, when the delay drops below 100ms
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alarm delay "delay" {
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delay_low {$apinger_default['latencylow']}ms
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delay_high {$apinger_default['latencyhigh']}ms
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}
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## "Loss" alarm definition.
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## This alarm will be fired when packet loss goes over 20%
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## it will be canceled, when the loss drops below 10%
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alarm loss "loss" {
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percent_low {$apinger_default['losslow']}
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percent_high {$apinger_default['losshigh']}
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}
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target default {
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## How often the probe should be sent
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interval {$apinger_default['interval']}s
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## How many replies should be used to compute average delay
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## for controlling "delay" alarms
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avg_delay_samples {$apinger_default['avg_delay_samples']}
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## How many probes should be used to compute average loss
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avg_loss_samples {$apinger_default['avg_loss_samples']}
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## The delay (in samples) after which loss is computed
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## without this delays larger than interval would be treated as loss
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avg_loss_delay_samples {$apinger_default['avg_loss_delay_samples']}
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## Names of the alarms that may be generated for the target
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alarms "down","delay","loss"
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## Location of the RRD
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#rrd file "{$g['vardb_path']}/rrd/apinger-%t.rrd"
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}
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EOD;
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$monitor_ips = array();
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foreach ($gateways_arr as $name => $gateway) {
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/* Do not monitor if such was requested */
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if (isset($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($gateway['gateway'])) {
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$gateway['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 apinger 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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* PPoE 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'] != $gateway['gateway']) {
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log_error("Removing static route for monitor {$gateway['monitor']} and adding a new route through {$gateway['gateway']}");
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if (interface_isppp_type($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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pfSense_kill_states("0.0.0.0/0", $gateway['monitor'], $gateway['interface'], "icmp");
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}
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} else if ($gateway['ipprotocol'] == "inet6") { // This is an IPv6 gateway...
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if ($gateway['monitor'] == $gateway['gateway']) {
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/* link locals really need a different src ip */
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if (is_linklocal($gateway['gateway'])) {
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if (!strpos($gateway['gateway'], '%')) {
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$gateway['gateway'] .= '%' . $gateway['interface'];
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}
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$gwifip = find_interface_ipv6_ll($gateway['interface'], true);
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} else {
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$gwifip = find_interface_ipv6($gateway['interface'], true);
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}
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} else {
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/* 'monitor' has been set, so makes sure it has precedence over
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* 'gateway' in defining the source IP. Otherwise if 'gateway'
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* is a local link and 'monitor' is global routable then the
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* ICMP6 response would not find its way back home...
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*/
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$gwifip = find_interface_ipv6($gateway['interface'], true);
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}
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/* Make sure srcip and target have scope defined when they are ll */
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if (is_linklocal($gwifip) && !strpos($gwifip, '%')) {
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$gwifip .= '%' . $gateway['interface'];
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}
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if (is_linklocal($gateway['monitor']) && !strpos($gateway['monitor'], '%')) {
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$gateway['monitor'] .= "%{$gateway['interface']}";
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}
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if (!is_ipaddrv6($gwifip)) {
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continue; //Skip this target
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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 ($gateway['gateway'] != $gateway['monitor']) {
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log_error("Removing static route for monitor {$gateway['monitor']} and adding a new route through {$gateway['gateway']}");
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if (interface_isppp_type($gateway['friendlyiface'])) {
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mwexec("/sbin/route change -host -inet6 " . 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 -inet6 " . escapeshellarg($gateway['monitor']) .
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" " . escapeshellarg($gateway['gateway']), true);
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}
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pfSense_kill_states("::0.0.0.0/0", $gateway['monitor'], $gateway['interface'], "icmpv6");
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}
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} else {
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continue;
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}
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$monitor_ips[] = $gateway['monitor'];
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$apingercfg = "target \"{$gateway['monitor']}\" {\n";
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$apingercfg .= " description \"{$name}\"\n";
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$apingercfg .= " srcip \"{$gwifip}\"\n";
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## How often the probe should be sent
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if (!empty($gateway['interval']) && is_numeric($gateway['interval'])) {
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$interval = intval($gateway['interval']); # Restrict to Integer
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if ($interval < 1) {
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$interval = 1; # Minimum
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}
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if ($interval != $apinger_default['interval']) { # If not default value
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$apingercfg .= " interval " . $interval . "s\n";
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}
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}
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## How many replies should be used to compute average delay
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## for controlling "delay" alarms
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if (!empty($gateway['avg_delay_samples']) && is_numeric($gateway['avg_delay_samples'])) {
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$avg_delay_samples = intval($gateway['avg_delay_samples']); # Restrict to Integer
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284
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if ($avg_delay_samples < 1) {
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$avg_delay_samples = 1; # Minimum
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286
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}
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287
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if ($avg_delay_samples != $apinger_default['avg_delay_samples']) { # If not default value
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$apingercfg .= " avg_delay_samples " . $avg_delay_samples . "\n";
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}
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290
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}
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291
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292
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## How many probes should be used to compute average loss
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293
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if (!empty($gateway['avg_loss_samples']) && is_numeric($gateway['avg_loss_samples'])) {
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$avg_loss_samples = intval($gateway['avg_loss_samples']); # Restrict to Integer
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295
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if ($avg_loss_samples < 1) {
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296
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$avg_loss_samples = 1; # Minimum
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297
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}
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298
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if ($avg_loss_samples != $apinger_default['avg_loss_samples']) { # If not default value
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299
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$apingercfg .= " avg_loss_samples " . $avg_loss_samples . "\n";
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300
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}
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301
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}
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302
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303
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## The delay (in samples) after which loss is computed
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304
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## without this delays larger than interval would be treated as loss
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305
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if (!empty($gateway['avg_loss_delay_samples']) && is_numeric($gateway['avg_loss_delay_samples'])) {
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$avg_loss_delay_samples = intval($gateway['avg_loss_delay_samples']); # Restrict to Integer
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307
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if ($avg_loss_delay_samples < 1) {
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308
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$avg_loss_delay_samples = 1; # Minimum
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309
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}
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310
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if ($avg_loss_delay_samples != $apinger_default['avg_loss_delay_samples']) { # If not default value
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311
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$apingercfg .= " avg_loss_delay_samples " . $avg_loss_delay_samples . "\n";
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312
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}
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313
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}
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314
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315
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$alarms = "";
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316
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$alarmscfg = "";
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317
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$override = false;
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318
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if (!empty($gateway['losslow'])) {
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$alarmscfg .= "alarm loss \"{$name}loss\" {\n";
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$alarmscfg .= "\tpercent_low {$gateway['losslow']}\n";
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321
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$alarmscfg .= "\tpercent_high {$gateway['losshigh']}\n";
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$alarmscfg .= "}\n";
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$alarms .= "\"{$name}loss\"";
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$override = true;
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325
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} else {
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326
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if ($override == true) {
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$alarms .= ",";
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}
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$alarms .= "\"loss\"";
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$override = true;
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}
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if (!empty($gateway['latencylow'])) {
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$alarmscfg .= "alarm delay \"{$name}delay\" {\n";
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$alarmscfg .= "\tdelay_low {$gateway['latencylow']}ms\n";
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$alarmscfg .= "\tdelay_high {$gateway['latencyhigh']}ms\n";
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$alarmscfg .= "}\n";
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337
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if ($override == true) {
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$alarms .= ",";
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339
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}
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340
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$alarms .= "\"{$name}delay\"";
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341
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$override = true;
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342
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} else {
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343
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if ($override == true) {
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344
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$alarms .= ",";
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345
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}
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346
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$alarms .= "\"delay\"";
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347
|
$override = true;
|
|
348
|
}
|
|
349
|
if (!empty($gateway['down'])) {
|
|
350
|
$alarmscfg .= "alarm down \"{$name}down\" {\n";
|
|
351
|
$alarmscfg .= "\ttime {$gateway['down']}s\n";
|
|
352
|
$alarmscfg .= "}\n";
|
|
353
|
if ($override == true) {
|
|
354
|
$alarms .= ",";
|
|
355
|
}
|
|
356
|
$alarms .= "\"{$name}down\"";
|
|
357
|
$override = true;
|
|
358
|
} else {
|
|
359
|
if ($override == true) {
|
|
360
|
$alarms .= ",";
|
|
361
|
}
|
|
362
|
$alarms .= "\"down\"";
|
|
363
|
$override = true;
|
|
364
|
}
|
|
365
|
if ($override == true) {
|
|
366
|
$apingercfg .= "\talarms override {$alarms};\n";
|
|
367
|
}
|
|
368
|
|
|
369
|
if (isset($gateway['force_down'])) {
|
|
370
|
$apingercfg .= "\tforce_down on\n";
|
|
371
|
}
|
|
372
|
|
|
373
|
$apingercfg .= " rrd file \"{$g['vardb_path']}/rrd/{$gateway['name']}-quality.rrd\"\n";
|
|
374
|
$apingercfg .= "}\n";
|
|
375
|
$apingercfg .= "\n";
|
|
376
|
|
|
377
|
$apingerconfig .= $alarmscfg;
|
|
378
|
$apingerconfig .= $apingercfg;
|
|
379
|
|
|
380
|
# Create gateway quality RRD with settings more suitable for pfSense graph set,
|
|
381
|
# since apinger uses default step (300; 5 minutes) and other settings that don't
|
|
382
|
# match the pfSense gateway quality graph set.
|
|
383
|
create_gateway_quality_rrd("{$g['vardb_path']}/rrd/{$gateway['name']}-quality.rrd");
|
|
384
|
}
|
|
385
|
@file_put_contents("{$g['varetc_path']}/apinger.conf", $apingerconfig);
|
|
386
|
unset($apingerconfig);
|
|
387
|
|
|
388
|
/* Restart apinger process */
|
|
389
|
if (isvalidpid("{$g['varrun_path']}/apinger.pid")) {
|
|
390
|
sigkillbypid("{$g['varrun_path']}/apinger.pid", "HUP");
|
|
391
|
} else {
|
|
392
|
/* start a new apinger process */
|
|
393
|
@unlink("{$g['varrun_path']}/apinger.status");
|
|
394
|
sleep(1);
|
|
395
|
mwexec_bg("/usr/local/sbin/apinger -c {$g['varetc_path']}/apinger.conf");
|
|
396
|
sleep(1);
|
|
397
|
sigkillbypid("{$g['varrun_path']}/apinger.pid", "USR1");
|
|
398
|
}
|
|
399
|
|
|
400
|
return 0;
|
|
401
|
}
|
|
402
|
|
|
403
|
/* return the status of the apinger targets as a array */
|
|
404
|
function return_gateways_status($byname = false) {
|
|
405
|
global $config, $g;
|
|
406
|
|
|
407
|
$apingerstatus = array();
|
|
408
|
/* Always get the latest status from apinger */
|
|
409
|
if (file_exists("{$g['varrun_path']}/apinger.pid")) {
|
|
410
|
sigkillbypid("{$g['varrun_path']}/apinger.pid", "USR1");
|
|
411
|
}
|
|
412
|
if (file_exists("{$g['varrun_path']}/apinger.status")) {
|
|
413
|
$apingerstatus = file("{$g['varrun_path']}/apinger.status");
|
|
414
|
} else {
|
|
415
|
$apingerstatus = array();
|
|
416
|
}
|
|
417
|
|
|
418
|
$status = array();
|
|
419
|
foreach ($apingerstatus as $line) {
|
|
420
|
$info = explode("|", $line);
|
|
421
|
if ($byname == false) {
|
|
422
|
$target = $info[0];
|
|
423
|
} else {
|
|
424
|
$target = $info[2];
|
|
425
|
}
|
|
426
|
|
|
427
|
$status[$target] = array();
|
|
428
|
$status[$target]['monitorip'] = $info[0];
|
|
429
|
$status[$target]['srcip'] = $info[1];
|
|
430
|
$status[$target]['name'] = $info[2];
|
|
431
|
$status[$target]['lastcheck'] = $info[5] ? date('r', $info[5]) : date('r');
|
|
432
|
$status[$target]['delay'] = empty($info[6]) ? "0ms" : round($info[6], 1) ."ms" ;
|
|
433
|
$status[$target]['loss'] = empty($info[7]) ? "0.0%" : round($info[7], 1) . "%";
|
|
434
|
$status[$target]['status'] = trim($info[8]);
|
|
435
|
}
|
|
436
|
|
|
437
|
/* tack on any gateways that have monitoring disabled
|
|
438
|
* or are down, which could cause gateway groups to fail */
|
|
439
|
$gateways_arr = return_gateways_array();
|
|
440
|
foreach ($gateways_arr as $gwitem) {
|
|
441
|
if (!isset($gwitem['monitor_disable'])) {
|
|
442
|
continue;
|
|
443
|
}
|
|
444
|
if (!is_ipaddr($gwitem['monitorip'])) {
|
|
445
|
$realif = $gwitem['interface'];
|
|
446
|
$tgtip = get_interface_gateway($realif);
|
|
447
|
if (!is_ipaddr($tgtip)) {
|
|
448
|
$tgtip = "none";
|
|
449
|
}
|
|
450
|
$srcip = find_interface_ip($realif);
|
|
451
|
} else {
|
|
452
|
$tgtip = $gwitem['monitorip'];
|
|
453
|
$srcip = find_interface_ip($realif);
|
|
454
|
}
|
|
455
|
if ($byname == true) {
|
|
456
|
$target = $gwitem['name'];
|
|
457
|
} else {
|
|
458
|
$target = $tgtip;
|
|
459
|
}
|
|
460
|
|
|
461
|
/* failsafe for down interfaces */
|
|
462
|
if ($target == "none") {
|
|
463
|
$target = $gwitem['name'];
|
|
464
|
$status[$target]['name'] = $gwitem['name'];
|
|
465
|
$status[$target]['lastcheck'] = date('r');
|
|
466
|
$status[$target]['delay'] = "0.0ms";
|
|
467
|
$status[$target]['loss'] = "100.0%";
|
|
468
|
$status[$target]['status'] = "down";
|
|
469
|
} else {
|
|
470
|
$status[$target]['monitorip'] = $tgtip;
|
|
471
|
$status[$target]['srcip'] = $srcip;
|
|
472
|
$status[$target]['name'] = $gwitem['name'];
|
|
473
|
$status[$target]['lastcheck'] = date('r');
|
|
474
|
$status[$target]['delay'] = "0.0ms";
|
|
475
|
$status[$target]['loss'] = "0.0%";
|
|
476
|
$status[$target]['status'] = "none";
|
|
477
|
}
|
|
478
|
}
|
|
479
|
return($status);
|
|
480
|
}
|
|
481
|
|
|
482
|
/* Return all configured gateways on the system */
|
|
483
|
function return_gateways_array($disabled = false, $localhost = false, $inactive = false) {
|
|
484
|
global $config, $g;
|
|
485
|
|
|
486
|
$gateways_arr = array();
|
|
487
|
$gateways_arr_temp = array();
|
|
488
|
|
|
489
|
$found_defaultv4 = 0;
|
|
490
|
$found_defaultv6 = 0;
|
|
491
|
|
|
492
|
// Ensure the interface cache is up to date first
|
|
493
|
$interfaces = get_interface_arr(true);
|
|
494
|
$interfaces_v4 = array();
|
|
495
|
$interfaces_v6 = array();
|
|
496
|
|
|
497
|
$i = -1;
|
|
498
|
/* Process/add all the configured gateways. */
|
|
499
|
if (is_array($config['gateways']['gateway_item'])) {
|
|
500
|
foreach ($config['gateways']['gateway_item'] as $gateway) {
|
|
501
|
/* Increment it here to do not skip items */
|
|
502
|
$i++;
|
|
503
|
|
|
504
|
if (empty($config['interfaces'][$gateway['interface']])) {
|
|
505
|
if ($inactive === false) {
|
|
506
|
continue;
|
|
507
|
} else {
|
|
508
|
$gateway['inactive'] = true;
|
|
509
|
}
|
|
510
|
}
|
|
511
|
$wancfg = $config['interfaces'][$gateway['interface']];
|
|
512
|
|
|
513
|
/* skip disabled interfaces */
|
|
514
|
if ($disabled === false && (!isset($wancfg['enable']))) {
|
|
515
|
continue;
|
|
516
|
}
|
|
517
|
|
|
518
|
/* if the gateway is dynamic and we can find the IPv4, Great! */
|
|
519
|
if (empty($gateway['gateway']) || $gateway['gateway'] == "dynamic") {
|
|
520
|
if ($gateway['ipprotocol'] == "inet") {
|
|
521
|
/* we know which interfaces is dynamic, this should be made a function */
|
|
522
|
$gateway['gateway'] = get_interface_gateway($gateway['interface']);
|
|
523
|
/* no IP address found, set to dynamic */
|
|
524
|
if (!is_ipaddrv4($gateway['gateway'])) {
|
|
525
|
$gateway['gateway'] = "dynamic";
|
|
526
|
}
|
|
527
|
$gateway['dynamic'] = true;
|
|
528
|
}
|
|
529
|
|
|
530
|
/* if the gateway is dynamic and we can find the IPv6, Great! */
|
|
531
|
else if ($gateway['ipprotocol'] == "inet6") {
|
|
532
|
/* we know which interfaces is dynamic, this should be made a function, and for v6 too */
|
|
533
|
$gateway['gateway'] = get_interface_gateway_v6($gateway['interface']);
|
|
534
|
/* no IPv6 address found, set to dynamic */
|
|
535
|
if (!is_ipaddrv6($gateway['gateway'])) {
|
|
536
|
$gateway['gateway'] = "dynamic";
|
|
537
|
}
|
|
538
|
$gateway['dynamic'] = true;
|
|
539
|
}
|
|
540
|
} else {
|
|
541
|
/* getting this detection right is hard at this point because we still don't
|
|
542
|
* store the address family in the gateway item */
|
|
543
|
if (is_ipaddrv4($gateway['gateway'])) {
|
|
544
|
$gateway['ipprotocol'] = "inet";
|
|
545
|
} else if (is_ipaddrv6($gateway['gateway'])) {
|
|
546
|
$gateway['ipprotocol'] = "inet6";
|
|
547
|
}
|
|
548
|
}
|
|
549
|
|
|
550
|
if (isset($gateway['monitor_disable'])) {
|
|
551
|
$gateway['monitor_disable'] = true;
|
|
552
|
} else if (empty($gateway['monitor'])) {
|
|
553
|
$gateway['monitor'] = $gateway['gateway'];
|
|
554
|
}
|
|
555
|
|
|
556
|
$gateway['friendlyiface'] = $gateway['interface'];
|
|
557
|
|
|
558
|
/* special treatment for tunnel interfaces */
|
|
559
|
if ($gateway['ipprotocol'] == "inet6") {
|
|
560
|
$gateway['interface'] = get_real_interface($gateway['interface'], "inet6", false, false);
|
|
561
|
$interfaces_v6[$gateway['friendlyiface']] = $gateway['friendlyiface'];
|
|
562
|
} else {
|
|
563
|
$gateway['interface'] = get_real_interface($gateway['interface'], "all", false, false);
|
|
564
|
$interfaces_v4[$gateway['friendlyiface']] = $gateway['friendlyiface'];
|
|
565
|
}
|
|
566
|
|
|
567
|
/* entry has a default flag, use it */
|
|
568
|
if (isset($gateway['defaultgw'])) {
|
|
569
|
if ($gateway['ipprotocol'] == "inet") {
|
|
570
|
$gateway['defaultgw'] = true;
|
|
571
|
$found_defaultv4 = 1;
|
|
572
|
} else if ($gateway['ipprotocol'] == "inet6") {
|
|
573
|
$gateway['defaultgw'] = true;
|
|
574
|
$found_defaultv6 = 1;
|
|
575
|
}
|
|
576
|
}
|
|
577
|
/* include the gateway index as the attribute */
|
|
578
|
$gateway['attribute'] = $i;
|
|
579
|
|
|
580
|
/* Remember all the gateway names, even ones to be skipped because they are disabled. */
|
|
581
|
/* Then we can easily know and match them later when attempting to add dynamic gateways to the list. */
|
|
582
|
$gateways_arr_temp[$gateway['name']] = $gateway;
|
|
583
|
|
|
584
|
/* skip disabled gateways if the caller has not asked for them to be returned. */
|
|
585
|
if (!($disabled === false && isset($gateway['disabled']))) {
|
|
586
|
$gateways_arr[$gateway['name']] = $gateway;
|
|
587
|
}
|
|
588
|
}
|
|
589
|
}
|
|
590
|
unset($gateway);
|
|
591
|
|
|
592
|
/* Loop through all interfaces with a gateway and add it to a array */
|
|
593
|
if ($disabled == false) {
|
|
594
|
$iflist = get_configured_interface_with_descr();
|
|
595
|
} else {
|
|
596
|
$iflist = get_configured_interface_with_descr(false, true);
|
|
597
|
}
|
|
598
|
|
|
599
|
/* Process/add dynamic v4 gateways. */
|
|
600
|
foreach ($iflist as $ifname => $friendly) {
|
|
601
|
if (!interface_has_gateway($ifname)) {
|
|
602
|
continue;
|
|
603
|
}
|
|
604
|
|
|
605
|
if (empty($config['interfaces'][$ifname])) {
|
|
606
|
continue;
|
|
607
|
}
|
|
608
|
|
|
609
|
$ifcfg = &$config['interfaces'][$ifname];
|
|
610
|
if (!isset($ifcfg['enable'])) {
|
|
611
|
continue;
|
|
612
|
}
|
|
613
|
|
|
614
|
if (!empty($ifcfg['ipaddr']) && is_ipaddrv4($ifcfg['ipaddr'])) {
|
|
615
|
continue;
|
|
616
|
}
|
|
617
|
|
|
618
|
if (isset($interfaces_v4[$ifname])) {
|
|
619
|
continue;
|
|
620
|
}
|
|
621
|
|
|
622
|
$ctype = "";
|
|
623
|
switch ($ifcfg['ipaddr']) {
|
|
624
|
case "dhcp":
|
|
625
|
case "pppoe":
|
|
626
|
case "pptp":
|
|
627
|
case "ppp":
|
|
628
|
$ctype = strtoupper($ifcfg['ipaddr']);
|
|
629
|
break;
|
|
630
|
default:
|
|
631
|
$tunnelif = substr($ifcfg['if'], 0, 3);
|
|
632
|
if (substr($ifcfg['if'], 0, 4) == "ovpn") {
|
|
633
|
// if current iface is an ovpn server endpoint then check its type, skip tap only
|
|
634
|
if (substr($ifcfg['if'], 4, 1) == 's') {
|
|
635
|
$ovpnid = substr($ifcfg['if'], 5);
|
|
636
|
if (is_array($config['openvpn']['openvpn-server'])) {
|
|
637
|
foreach ($config['openvpn']['openvpn-server'] as & $ovpnserverconf) {
|
|
638
|
if ($ovpnserverconf['vpnid'] == $ovpnid) {
|
|
639
|
if ($ovpnserverconf['dev_mode'] == "tap") {
|
|
640
|
continue 3;
|
|
641
|
}
|
|
642
|
}
|
|
643
|
}
|
|
644
|
}
|
|
645
|
}
|
|
646
|
$ctype = "VPNv4";
|
|
647
|
} else if ($tunnelif == "gif" || $tunnelif == "gre") {
|
|
648
|
$ctype = "TUNNELv4";
|
|
649
|
}
|
|
650
|
break;
|
|
651
|
}
|
|
652
|
$ctype = "_". strtoupper($ctype);
|
|
653
|
|
|
654
|
$gateway = array();
|
|
655
|
$gateway['dynamic'] = false;
|
|
656
|
$gateway['ipprotocol'] = "inet";
|
|
657
|
$gateway['gateway'] = get_interface_gateway($ifname, $gateway['dynamic']);
|
|
658
|
$gateway['interface'] = get_real_interface($ifname);
|
|
659
|
$gateway['friendlyiface'] = $ifname;
|
|
660
|
$gateway['name'] = "{$friendly}{$ctype}";
|
|
661
|
$gateway['attribute'] = "system";
|
|
662
|
|
|
663
|
if (($gateway['dynamic'] === "default") && ($found_defaultv4 == 0)) {
|
|
664
|
$gateway['defaultgw'] = true;
|
|
665
|
$gateway['dynamic'] = true;
|
|
666
|
$found_defaultv4 = 1;
|
|
667
|
}
|
|
668
|
/* Loopback dummy for dynamic interfaces without a IP */
|
|
669
|
if (!is_ipaddrv4($gateway['gateway']) && $gateway['dynamic'] == true) {
|
|
670
|
$gateway['gateway'] = "dynamic";
|
|
671
|
}
|
|
672
|
|
|
673
|
/* automatically skip known static and dynamic gateways that were previously processed */
|
|
674
|
foreach ($gateways_arr_temp as $gateway_item) {
|
|
675
|
if ((($ifname == $gateway_item['friendlyiface'] && $friendly == $gateway_item['name'])&& ($gateway['ipprotocol'] == $gateway_item['ipprotocol'])) ||
|
|
676
|
(($ifname == $gateway_item['friendlyiface'] && $gateway_item['dynamic'] == true) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol']))) {
|
|
677
|
continue 2;
|
|
678
|
}
|
|
679
|
}
|
|
680
|
|
|
681
|
if (is_ipaddrv4($gateway['gateway'])) {
|
|
682
|
$gateway['monitor'] = $gateway['gateway'];
|
|
683
|
}
|
|
684
|
|
|
685
|
$gateway['descr'] = "Interface {$friendly}{$ctype} Gateway";
|
|
686
|
$gateways_arr[$gateway['name']] = $gateway;
|
|
687
|
}
|
|
688
|
unset($gateway);
|
|
689
|
|
|
690
|
/* Process/add dynamic v6 gateways. */
|
|
691
|
foreach ($iflist as $ifname => $friendly) {
|
|
692
|
/* If the user has disabled IPv6, they probably don't want any IPv6 gateways. */
|
|
693
|
if (!isset($config['system']['ipv6allow'])) {
|
|
694
|
break;
|
|
695
|
}
|
|
696
|
|
|
697
|
if (!interface_has_gatewayv6($ifname)) {
|
|
698
|
continue;
|
|
699
|
}
|
|
700
|
|
|
701
|
if (empty($config['interfaces'][$ifname])) {
|
|
702
|
continue;
|
|
703
|
}
|
|
704
|
|
|
705
|
$ifcfg = &$config['interfaces'][$ifname];
|
|
706
|
if (!isset($ifcfg['enable'])) {
|
|
707
|
continue;
|
|
708
|
}
|
|
709
|
|
|
710
|
if (!empty($ifcfg['ipaddrv6']) && is_ipaddrv6($ifcfg['ipaddrv6'])) {
|
|
711
|
continue;
|
|
712
|
}
|
|
713
|
|
|
714
|
if (isset($interfaces_v6[$ifname])) {
|
|
715
|
continue;
|
|
716
|
}
|
|
717
|
|
|
718
|
$ctype = "";
|
|
719
|
switch ($ifcfg['ipaddrv6']) {
|
|
720
|
case "slaac":
|
|
721
|
case "dhcp6":
|
|
722
|
case "6to4":
|
|
723
|
case "6rd":
|
|
724
|
$ctype = strtoupper($ifcfg['ipaddrv6']);
|
|
725
|
break;
|
|
726
|
default:
|
|
727
|
$tunnelif = substr($ifcfg['if'], 0, 3);
|
|
728
|
if (substr($ifcfg['if'], 0, 4) == "ovpn") {
|
|
729
|
// if current iface is an ovpn server endpoint then check its type, skip tap only
|
|
730
|
if (substr($ifcfg['if'], 4, 1) == 's') {
|
|
731
|
$ovpnid = substr($ifcfg['if'], 5);
|
|
732
|
if (is_array($config['openvpn']['openvpn-server'])) {
|
|
733
|
foreach ($config['openvpn']['openvpn-server'] as & $ovpnserverconf) {
|
|
734
|
if ($ovpnserverconf['vpnid'] == $ovpnid) {
|
|
735
|
if ($ovpnserverconf['dev_mode'] == "tap") {
|
|
736
|
continue 3;
|
|
737
|
}
|
|
738
|
}
|
|
739
|
}
|
|
740
|
}
|
|
741
|
}
|
|
742
|
$ctype = "VPNv6";
|
|
743
|
} else if ($tunnelif == "gif" || $tunnelif == "gre") {
|
|
744
|
$ctype = "TUNNELv6";
|
|
745
|
}
|
|
746
|
break;
|
|
747
|
}
|
|
748
|
$ctype = "_". strtoupper($ctype);
|
|
749
|
|
|
750
|
$gateway = array();
|
|
751
|
$gateway['dynamic'] = false;
|
|
752
|
$gateway['ipprotocol'] = "inet6";
|
|
753
|
$gateway['gateway'] = get_interface_gateway_v6($ifname, $gateway['dynamic']);
|
|
754
|
$gateway['interface'] = get_real_interface($ifname, "inet6");
|
|
755
|
switch ($ifcfg['ipaddrv6']) {
|
|
756
|
case "6rd":
|
|
757
|
case "6to4":
|
|
758
|
$gateway['dynamic'] = "default";
|
|
759
|
break;
|
|
760
|
}
|
|
761
|
$gateway['friendlyiface'] = $ifname;
|
|
762
|
$gateway['name'] = "{$friendly}{$ctype}";
|
|
763
|
$gateway['attribute'] = "system";
|
|
764
|
|
|
765
|
if (($gateway['dynamic'] === "default") && ($found_defaultv6 == 0)) {
|
|
766
|
$gateway['defaultgw'] = true;
|
|
767
|
$gateway['dynamic'] = true;
|
|
768
|
$found_defaultv6 = 1;
|
|
769
|
}
|
|
770
|
|
|
771
|
/* Loopback dummy for dynamic interfaces without a IP */
|
|
772
|
if (!is_ipaddrv6($gateway['gateway']) && $gateway['dynamic'] == true) {
|
|
773
|
$gateway['gateway'] = "dynamic";
|
|
774
|
}
|
|
775
|
|
|
776
|
/* automatically skip known static and dynamic gateways that were previously processed */
|
|
777
|
foreach ($gateways_arr_temp as $gateway_item) {
|
|
778
|
if ((($ifname == $gateway_item['friendlyiface'] && $friendly == $gateway_item['name']) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol'])) ||
|
|
779
|
(($ifname == $gateway_item['friendlyiface'] && $gateway_item['dynamic'] == true) && ($gateway['ipprotocol'] == $gateway_item['ipprotocol']))) {
|
|
780
|
continue 2;
|
|
781
|
}
|
|
782
|
}
|
|
783
|
|
|
784
|
if (is_ipaddrv6($gateway['gateway'])) {
|
|
785
|
$gateway['monitor'] = $gateway['gateway'];
|
|
786
|
}
|
|
787
|
|
|
788
|
$gateway['descr'] = "Interface {$friendly}{$ctype} Gateway";
|
|
789
|
$gateways_arr[$gateway['name']] = $gateway;
|
|
790
|
}
|
|
791
|
unset($gateway);
|
|
792
|
|
|
793
|
/* FIXME: Should this be enabled.
|
|
794
|
* Some interface like wan might be default but have no info recorded
|
|
795
|
* the config. */
|
|
796
|
/* this is a fallback if all else fails and we want to get packets out @smos */
|
|
797
|
if ($found_defaultv4 == 0 || $found_defaultv6 == 0) {
|
|
798
|
foreach ($gateways_arr as &$gateway) {
|
|
799
|
if (($gateway['friendlyiface'] == "wan") && ($found_defaultv4 == 0) && (!isset($gateway['ipprotocol']) || ($gateway['ipprotocol'] == "inet"))) {
|
|
800
|
if (file_exists("{$g['tmp_path']}/{$gateway['interface']}_defaultgw")) {
|
|
801
|
$gateway['defaultgw'] = true;
|
|
802
|
$found_defaultv4 = 1;
|
|
803
|
}
|
|
804
|
}
|
|
805
|
else if (($gateway['friendlyiface'] == "wan") && ($found_defaultv6 == 0) && ($gateway['ipprotocol'] == "inet6")) {
|
|
806
|
if (file_exists("{$g['tmp_path']}/{$gateway['interface']}_defaultgwv6")) {
|
|
807
|
$gateway['defaultgw'] = true;
|
|
808
|
$found_defaultv6 = 1;
|
|
809
|
}
|
|
810
|
}
|
|
811
|
}
|
|
812
|
}
|
|
813
|
|
|
814
|
if ($localhost === true) {
|
|
815
|
/* attach localhost for Null routes */
|
|
816
|
$gwlo4 = array();
|
|
817
|
$gwlo4['name'] = "Null4";
|
|
818
|
$gwlo4['interface'] = "lo0";
|
|
819
|
$gwlo4['ipprotocol'] = "inet";
|
|
820
|
$gwlo4['gateway'] = "127.0.0.1";
|
|
821
|
$gwlo6 = array();
|
|
822
|
$gwlo6['name'] = "Null6";
|
|
823
|
$gwlo6['interface'] = "lo0";
|
|
824
|
$gwlo6['ipprotocol'] = "inet6";
|
|
825
|
$gwlo6['gateway'] = "::1";
|
|
826
|
$gateways_arr['Null4'] = $gwlo4;
|
|
827
|
$gateways_arr['Null6'] = $gwlo6;
|
|
828
|
}
|
|
829
|
return($gateways_arr);
|
|
830
|
}
|
|
831
|
|
|
832
|
function fixup_default_gateway($ipprotocol, $gateways_status, $gateways_arr) {
|
|
833
|
global $config, $g;
|
|
834
|
/*
|
|
835
|
* NOTE: The code below is meant to replace the default gateway when it goes down.
|
|
836
|
* This facilitates services running on pfSense itself and are not handled by a PBR to continue working.
|
|
837
|
*/
|
|
838
|
$upgw = '';
|
|
839
|
$dfltgwname = '';
|
|
840
|
$dfltgwdown = false;
|
|
841
|
$dfltgwfound = false;
|
|
842
|
foreach ($gateways_arr as $gwname => $gwsttng) {
|
|
843
|
if (($gwsttng['ipprotocol'] == $ipprotocol) && isset($gwsttng['defaultgw'])) {
|
|
844
|
$dfltgwfound = true;
|
|
845
|
$dfltgwname = $gwname;
|
|
846
|
if (!isset($gwsttng['monitor_disable']) && $gateways_status[$gwname]['status'] != "none") {
|
|
847
|
$dfltgwdown = true;
|
|
848
|
}
|
|
849
|
}
|
|
850
|
/* Keep a record of the last up gateway */
|
|
851
|
/* XXX: Blacklist lan for now since it might cause issues to those who have a gateway set for it */
|
|
852
|
if (empty($upgw) && ($gwsttng['ipprotocol'] == $ipprotocol) && (isset($gwsttng['monitor_disable']) || $gateways_status[$gwname]['status'] == "none") && $gwsttng[$gwname]['friendlyiface'] != "lan") {
|
|
853
|
$upgw = $gwname;
|
|
854
|
}
|
|
855
|
if ($dfltgwdown == true && !empty($upgw)) {
|
|
856
|
break;
|
|
857
|
}
|
|
858
|
}
|
|
859
|
if ($dfltgwfound == false) {
|
|
860
|
$gwname = convert_friendly_interface_to_friendly_descr("wan");
|
|
861
|
if (!empty($gateways_status[$gwname]) && stristr($gateways_status[$gwname]['status'], "down")) {
|
|
862
|
$dfltgwdown = true;
|
|
863
|
}
|
|
864
|
}
|
|
865
|
if ($dfltgwdown == true && !empty($upgw)) {
|
|
866
|
if ($gateways_arr[$upgw]['gateway'] == "dynamic") {
|
|
867
|
$gateways_arr[$upgw]['gateway'] = get_interface_gateway($gateways_arr[$upgw]['friendlyiface']);
|
|
868
|
}
|
|
869
|
if (is_ipaddr($gateways_arr[$upgw]['gateway'])) {
|
|
870
|
log_error("Default gateway down setting {$upgw} as default!");
|
|
871
|
if (is_ipaddrv6($gateways_arr[$upgw]['gateway'])) {
|
|
872
|
$inetfamily = "-inet6";
|
|
873
|
} else {
|
|
874
|
$inetfamily = "-inet";
|
|
875
|
}
|
|
876
|
mwexec("/sbin/route change {$inetfamily} default {$gateways_arr[$upgw]['gateway']}");
|
|
877
|
}
|
|
878
|
} else if (!empty($dfltgwname)) {
|
|
879
|
$defaultgw = trim(exec("/sbin/route -n get -{$ipprotocol} default | /usr/bin/awk '/gateway:/ {print $2}'"), " \n");
|
|
880
|
if ($ipprotocol == 'inet6' && !is_ipaddrv6($gateways_arr[$dfltgwname]['gateway'])) {
|
|
881
|
return;
|
|
882
|
}
|
|
883
|
if ($ipprotocol == 'inet' && !is_ipaddrv4($gateways_arr[$dfltgwname]['gateway'])) {
|
|
884
|
return;
|
|
885
|
}
|
|
886
|
if ($defaultgw != $gateways_arr[$dfltgwname]['gateway']) {
|
|
887
|
mwexec("/sbin/route change -{$ipprotocol} default {$gateways_arr[$dfltgwname]['gateway']}");
|
|
888
|
}
|
|
889
|
}
|
|
890
|
}
|
|
891
|
|
|
892
|
/*
|
|
893
|
* Return an array with all gateway groups with name as key
|
|
894
|
* All gateway groups will be processed before returning the array.
|
|
895
|
*/
|
|
896
|
function return_gateway_groups_array() {
|
|
897
|
global $config, $g;
|
|
898
|
|
|
899
|
/* fetch the current gateways status */
|
|
900
|
$gateways_status = return_gateways_status(true);
|
|
901
|
$gateways_arr = return_gateways_array();
|
|
902
|
$gateway_groups_array = array();
|
|
903
|
|
|
904
|
if (isset($config['system']['gw_switch_default'])) {
|
|
905
|
fixup_default_gateway("inet", $gateways_status, $gateways_arr);
|
|
906
|
fixup_default_gateway("inet6", $gateways_status, $gateways_arr);
|
|
907
|
}
|
|
908
|
if (is_array($config['gateways']['gateway_group'])) {
|
|
909
|
$carplist = get_configured_carp_interface_list();
|
|
910
|
foreach ($config['gateways']['gateway_group'] as $group) {
|
|
911
|
/* create array with group gateways members separated by tier */
|
|
912
|
$tiers = array();
|
|
913
|
$backupplan = array();
|
|
914
|
$gwvip_arr = array();
|
|
915
|
foreach ($group['item'] as $item) {
|
|
916
|
list($gwname, $tier, $vipname) = explode("|", $item);
|
|
917
|
|
|
918
|
if (is_ipaddr($carplist[$vipname])) {
|
|
919
|
if (!is_array($gwvip_arr[$group['name']])) {
|
|
920
|
$gwvip_arr[$group['name']] = array();
|
|
921
|
}
|
|
922
|
$gwvip_arr[$group['name']][$gwname] = $vipname;
|
|
923
|
}
|
|
924
|
|
|
925
|
/* Do it here rather than reiterating again the group in case no member is up. */
|
|
926
|
if (!is_array($backupplan[$tier])) {
|
|
927
|
$backupplan[$tier] = array();
|
|
928
|
}
|
|
929
|
$backupplan[$tier][] = $gwname;
|
|
930
|
|
|
931
|
/* check if the gateway is available before adding it to the array */
|
|
932
|
if (is_array($gateways_status[$gwname])) {
|
|
933
|
$status = $gateways_status[$gwname];
|
|
934
|
$gwdown = false;
|
|
935
|
if (stristr($status['status'], "down")) {
|
|
936
|
$msg = sprintf(gettext("MONITOR: %s is down, omitting from routing group {$group['name']}"), $gwname);
|
|
937
|
$gwdown = true;
|
|
938
|
} else if (stristr($status['status'], "loss") && strstr($group['trigger'], "loss")) {
|
|
939
|
/* packet loss */
|
|
940
|
$msg = sprintf(gettext("MONITOR: %s has packet loss, omitting from routing group {$group['name']}"), $gwname);
|
|
941
|
$gwdown = true;
|
|
942
|
} else if (stristr($status['status'], "delay") && strstr($group['trigger'] , "latency")) {
|
|
943
|
/* high latency */
|
|
944
|
$msg = sprintf(gettext("MONITOR: %s has high latency, omitting from routing group {$group['name']}"), $gwname);
|
|
945
|
$gwdown = true;
|
|
946
|
}
|
|
947
|
if ($gwdown == true) {
|
|
948
|
log_error($msg);
|
|
949
|
notify_via_growl($msg);
|
|
950
|
notify_via_smtp($msg);
|
|
951
|
} else {
|
|
952
|
/* Online add member */
|
|
953
|
if (!is_array($tiers[$tier])) {
|
|
954
|
$tiers[$tier] = array();
|
|
955
|
}
|
|
956
|
$tiers[$tier][] = $gwname;
|
|
957
|
}
|
|
958
|
} else if (isset($gateways_arr[$gwname]['monitor_disable'])) {
|
|
959
|
$tiers[$tier][] = $gwname;
|
|
960
|
}
|
|
961
|
}
|
|
962
|
$tiers_count = count($tiers);
|
|
963
|
if ($tiers_count == 0) {
|
|
964
|
/* Oh dear, we have no members! Engage Plan B */
|
|
965
|
if (!platform_booting()) {
|
|
966
|
$msg = gettext("Gateways status could not be determined, considering all as up/active. (Group: {$group['name']})");
|
|
967
|
log_error($msg);
|
|
968
|
notify_via_growl($msg);
|
|
969
|
//notify_via_smtp($msg);
|
|
970
|
}
|
|
971
|
$tiers = $backupplan;
|
|
972
|
}
|
|
973
|
/* sort the tiers array by the tier key */
|
|
974
|
ksort($tiers);
|
|
975
|
|
|
976
|
/* we do not really foreach the tiers as we stop after the first tier */
|
|
977
|
foreach ($tiers as $tieridx => $tier) {
|
|
978
|
/* process all gateways in this tier */
|
|
979
|
foreach ($tier as $member) {
|
|
980
|
/* determine interface gateway */
|
|
981
|
if (isset($gateways_arr[$member])) {
|
|
982
|
$gateway = $gateways_arr[$member];
|
|
983
|
$int = $gateway['interface'];
|
|
984
|
$gatewayip = "";
|
|
985
|
if (is_ipaddr($gateway['gateway'])) {
|
|
986
|
$gatewayip = $gateway['gateway'];
|
|
987
|
} else if (!empty($int)) {
|
|
988
|
$gatewayip = get_interface_gateway($gateway['friendlyiface']);
|
|
989
|
}
|
|
990
|
|
|
991
|
if (!empty($int)) {
|
|
992
|
$gateway_groups_array[$group['name']]['ipprotocol'] = $gateway['ipprotocol'];
|
|
993
|
if (is_ipaddr($gatewayip)) {
|
|
994
|
$groupmember = array();
|
|
995
|
$groupmember['int'] = $int;
|
|
996
|
$groupmember['gwip'] = $gatewayip;
|
|
997
|
$groupmember['weight'] = isset($gateway['weight']) ? $gateway['weight'] : 1;
|
|
998
|
if (is_array($gwvip_arr[$group['name']])&& !empty($gwvip_arr[$group['name']][$member])) {
|
|
999
|
$groupmember['vip'] = $gwvip_arr[$group['name']][$member];
|
|
1000
|
}
|
|
1001
|
$gateway_groups_array[$group['name']][] = $groupmember;
|
|
1002
|
}
|
|
1003
|
}
|
|
1004
|
}
|
|
1005
|
}
|
|
1006
|
/* we should have the 1st available tier now, exit stage left */
|
|
1007
|
if (count($gateway_groups_array[$group['name']]) > 0) {
|
|
1008
|
break;
|
|
1009
|
} else {
|
|
1010
|
log_error("GATEWAYS: Group {$group['name']} did not have any gateways up on tier {$tieridx}!");
|
|
1011
|
}
|
|
1012
|
}
|
|
1013
|
}
|
|
1014
|
}
|
|
1015
|
|
|
1016
|
return ($gateway_groups_array);
|
|
1017
|
}
|
|
1018
|
|
|
1019
|
/* Update DHCP WAN Interface ip address in gateway group item */
|
|
1020
|
function dhclient_update_gateway_groups_defaultroute($interface = "wan") {
|
|
1021
|
global $config, $g;
|
|
1022
|
foreach ($config['gateways']['gateway_item'] as & $gw) {
|
|
1023
|
if ($gw['interface'] == $interface) {
|
|
1024
|
$current_gw = get_interface_gateway($interface);
|
|
1025
|
if ($gw['gateway'] <> $current_gw) {
|
|
1026
|
$gw['gateway'] = $current_gw;
|
|
1027
|
$changed = true;
|
|
1028
|
}
|
|
1029
|
}
|
|
1030
|
}
|
|
1031
|
if ($changed && $current_gw) {
|
|
1032
|
write_config(sprintf(gettext('Updating gateway group gateway for %1$s - new gateway is %2$s'), $interfac, $current_gw));
|
|
1033
|
}
|
|
1034
|
}
|
|
1035
|
|
|
1036
|
function lookup_gateway_ip_by_name($name, $disabled = false) {
|
|
1037
|
|
|
1038
|
$gateways_arr = return_gateways_array($disabled, true);
|
|
1039
|
foreach ($gateways_arr as $gname => $gw) {
|
|
1040
|
if ($gw['name'] === $name || $gname === $name) {
|
|
1041
|
return $gw['gateway'];
|
|
1042
|
}
|
|
1043
|
}
|
|
1044
|
|
|
1045
|
return false;
|
|
1046
|
}
|
|
1047
|
|
|
1048
|
function lookup_gateway_monitor_ip_by_name($name) {
|
|
1049
|
|
|
1050
|
$gateways_arr = return_gateways_array(false, true);
|
|
1051
|
if (!empty($gateways_arr[$name])) {
|
|
1052
|
$gateway = $gateways_arr[$name];
|
|
1053
|
if (!is_ipaddr($gateway['monitor'])) {
|
|
1054
|
return $gateway['gateway'];
|
|
1055
|
}
|
|
1056
|
|
|
1057
|
return $gateway['monitor'];
|
|
1058
|
}
|
|
1059
|
|
|
1060
|
return (false);
|
|
1061
|
}
|
|
1062
|
|
|
1063
|
function lookup_gateway_interface_by_name($name) {
|
|
1064
|
|
|
1065
|
$gateways_arr = return_gateways_array(false, true);
|
|
1066
|
if (!empty($gateways_arr[$name])) {
|
|
1067
|
$interfacegw = $gateways_arr[$name]['friendlyiface'];
|
|
1068
|
return ($interfacegw);
|
|
1069
|
}
|
|
1070
|
|
|
1071
|
return (false);
|
|
1072
|
}
|
|
1073
|
|
|
1074
|
function get_interface_gateway($interface, &$dynamic = false) {
|
|
1075
|
global $config, $g;
|
|
1076
|
|
|
1077
|
if (substr($interface, 0, 4) == '_vip') {
|
|
1078
|
$interface = get_configured_carp_interface_list($interface, 'inet', 'iface');
|
|
1079
|
}
|
|
1080
|
|
|
1081
|
$gw = NULL;
|
|
1082
|
$gwcfg = $config['interfaces'][$interface];
|
|
1083
|
if (!empty($gwcfg['gateway']) && is_array($config['gateways']['gateway_item'])) {
|
|
1084
|
foreach ($config['gateways']['gateway_item'] as $gateway) {
|
|
1085
|
if (($gateway['name'] == $gwcfg['gateway']) && (is_ipaddrv4($gateway['gateway']))) {
|
|
1086
|
$gw = $gateway['gateway'];
|
|
1087
|
break;
|
|
1088
|
}
|
|
1089
|
}
|
|
1090
|
}
|
|
1091
|
|
|
1092
|
// for dynamic interfaces we handle them through the $interface_router file.
|
|
1093
|
if (($gw == NULL || !is_ipaddrv4($gw)) && !is_ipaddrv4($gwcfg['ipaddr'])) {
|
|
1094
|
$realif = get_real_interface($interface);
|
|
1095
|
if (file_exists("{$g['tmp_path']}/{$realif}_router")) {
|
|
1096
|
$gw = trim(file_get_contents("{$g['tmp_path']}/{$realif}_router"), " \n");
|
|
1097
|
$dynamic = true;
|
|
1098
|
}
|
|
1099
|
if (file_exists("{$g['tmp_path']}/{$realif}_defaultgw")) {
|
|
1100
|
$dynamic = "default";
|
|
1101
|
}
|
|
1102
|
|
|
1103
|
}
|
|
1104
|
|
|
1105
|
/* return gateway */
|
|
1106
|
return ($gw);
|
|
1107
|
}
|
|
1108
|
|
|
1109
|
function get_interface_gateway_v6($interface, &$dynamic = false) {
|
|
1110
|
global $config, $g;
|
|
1111
|
|
|
1112
|
if (substr($interface, 0, 4) == '_vip') {
|
|
1113
|
$interface = get_configured_carp_interface_list($interface, 'inet6', 'iface');
|
|
1114
|
}
|
|
1115
|
|
|
1116
|
$gw = NULL;
|
|
1117
|
$gwcfg = $config['interfaces'][$interface];
|
|
1118
|
if (!empty($gwcfg['gatewayv6']) && is_array($config['gateways']['gateway_item'])) {
|
|
1119
|
foreach ($config['gateways']['gateway_item'] as $gateway) {
|
|
1120
|
if (($gateway['name'] == $gwcfg['gatewayv6']) && (is_ipaddrv6($gateway['gateway']))) {
|
|
1121
|
$gw = $gateway['gateway'];
|
|
1122
|
break;
|
|
1123
|
}
|
|
1124
|
}
|
|
1125
|
}
|
|
1126
|
|
|
1127
|
// for dynamic interfaces we handle them through the $interface_router file.
|
|
1128
|
if (($gw == NULL || !is_ipaddrv6($gw)) && !is_ipaddrv6($gwcfg['ipaddrv6'])) {
|
|
1129
|
$realif = get_real_interface($interface);
|
|
1130
|
if (file_exists("{$g['tmp_path']}/{$realif}_routerv6")) {
|
|
1131
|
$gw = trim(file_get_contents("{$g['tmp_path']}/{$realif}_routerv6"), " \n");
|
|
1132
|
$dynamic = true;
|
|
1133
|
}
|
|
1134
|
if (file_exists("{$g['tmp_path']}/{$realif}_defaultgwv6")) {
|
|
1135
|
$dynamic = "default";
|
|
1136
|
}
|
|
1137
|
}
|
|
1138
|
/* return gateway */
|
|
1139
|
return ($gw);
|
|
1140
|
}
|
|
1141
|
|
|
1142
|
/* Check a IP address against a gateway IP or name
|
|
1143
|
* to verify it's address family */
|
|
1144
|
function validate_address_family($ipaddr, $gwname, $disabled = false) {
|
|
1145
|
$v4ip = false;
|
|
1146
|
$v6ip = false;
|
|
1147
|
$v4gw = false;
|
|
1148
|
$v6gw = false;
|
|
1149
|
|
|
1150
|
if (is_ipaddrv4($ipaddr)) {
|
|
1151
|
$v4ip = true;
|
|
1152
|
}
|
|
1153
|
if (is_ipaddrv6($ipaddr)) {
|
|
1154
|
$v6ip = true;
|
|
1155
|
}
|
|
1156
|
if (is_ipaddrv4($gwname)) {
|
|
1157
|
$v4gw = true;
|
|
1158
|
}
|
|
1159
|
if (is_ipaddrv6($gwname)) {
|
|
1160
|
$v6gw = true;
|
|
1161
|
}
|
|
1162
|
|
|
1163
|
if ($v4ip && $v4gw) {
|
|
1164
|
return true;
|
|
1165
|
}
|
|
1166
|
if ($v6ip && $v6gw) {
|
|
1167
|
return true;
|
|
1168
|
}
|
|
1169
|
|
|
1170
|
/* still no match, carry on, lookup gateways */
|
|
1171
|
if (is_ipaddrv4(lookup_gateway_ip_by_name($gwname, $disabled))) {
|
|
1172
|
$v4gw = true;
|
|
1173
|
}
|
|
1174
|
if (is_ipaddrv6(lookup_gateway_ip_by_name($gwname, $disabled))) {
|
|
1175
|
$v6gw = true;
|
|
1176
|
}
|
|
1177
|
|
|
1178
|
$gw_array = return_gateways_array();
|
|
1179
|
if (is_array($gw_array[$gwname])) {
|
|
1180
|
switch ($gw_array[$gwname]['ipprotocol']) {
|
|
1181
|
case "inet":
|
|
1182
|
$v4gw = true;
|
|
1183
|
break;
|
|
1184
|
case "inet6":
|
|
1185
|
$v6gw = true;
|
|
1186
|
break;
|
|
1187
|
}
|
|
1188
|
}
|
|
1189
|
|
|
1190
|
if ($v4ip && $v4gw) {
|
|
1191
|
return true;
|
|
1192
|
}
|
|
1193
|
if ($v6ip && $v6gw) {
|
|
1194
|
return true;
|
|
1195
|
}
|
|
1196
|
|
|
1197
|
return false;
|
|
1198
|
}
|
|
1199
|
|
|
1200
|
/* check if a interface is part of a gateway group */
|
|
1201
|
function interface_gateway_group_member($interface) {
|
|
1202
|
global $config;
|
|
1203
|
|
|
1204
|
if (is_array($config['gateways']['gateway_group'])) {
|
|
1205
|
$groups = $config['gateways']['gateway_group'];
|
|
1206
|
} else {
|
|
1207
|
return false;
|
|
1208
|
}
|
|
1209
|
|
|
1210
|
$gateways_arr = return_gateways_array(false, true);
|
|
1211
|
foreach ($groups as $group) {
|
|
1212
|
if (is_array($group['item'])) {
|
|
1213
|
foreach ($group['item'] as $item) {
|
|
1214
|
$elements = explode("|", $item);
|
|
1215
|
$gwname = $elements[0];
|
|
1216
|
if ($interface == $gateways_arr[$gwname]['interface']) {
|
|
1217
|
unset($gateways_arr);
|
|
1218
|
return true;
|
|
1219
|
}
|
|
1220
|
}
|
|
1221
|
}
|
|
1222
|
}
|
|
1223
|
unset($gateways_arr);
|
|
1224
|
|
|
1225
|
return false;
|
|
1226
|
}
|
|
1227
|
|
|
1228
|
function gateway_is_gwgroup_member($name) {
|
|
1229
|
global $config;
|
|
1230
|
|
|
1231
|
if (is_array($config['gateways']['gateway_group'])) {
|
|
1232
|
$groups = $config['gateways']['gateway_group'];
|
|
1233
|
} else {
|
|
1234
|
return false;
|
|
1235
|
}
|
|
1236
|
|
|
1237
|
$members = array();
|
|
1238
|
foreach ($groups as $group) {
|
|
1239
|
if (is_array($group['item'])) {
|
|
1240
|
foreach ($group['item'] as $item) {
|
|
1241
|
$elements = explode("|", $item);
|
|
1242
|
$gwname = $elements[0];
|
|
1243
|
if ($name == $elements[0]) {
|
|
1244
|
$members[] = $group['name'];
|
|
1245
|
}
|
|
1246
|
}
|
|
1247
|
}
|
|
1248
|
}
|
|
1249
|
|
|
1250
|
return $members;
|
|
1251
|
}
|
|
1252
|
?>
|