pfSense

<?php

/*

	status_carp.php

*/

/* ====================================================================

 *  Copyright (c)  2004-2015  Electric Sheep Fencing, LLC. All rights reserved.

 *

 *  Redistribution and use in source and binary forms, with or without modification,

 *  are permitted provided that the following conditions are met:

 *

 *  1. Redistributions of source code must retain the above copyright notice,

 *      this list of conditions and the following disclaimer.

 *

 *  2. Redistributions in binary form must reproduce the above copyright

 *      notice, this list of conditions and the following disclaimer in

 *      the documentation and/or other materials provided with the

 *      distribution.

 *

 *  3. All advertising materials mentioning features or use of this software

 *      must display the following acknowledgment:

 *      "This product includes software developed by the pfSense Project

 *       for use in the pfSense software distribution. (http://www.pfsense.org/).

 *

 *  4. The names "pfSense" and "pfSense Project" must not be used to

 *       endorse or promote products derived from this software without

 *       prior written permission. For written permission, please contact

 *       coreteam@pfsense.org.

 *

 *  5. Products derived from this software may not be called "pfSense"

 *      nor may "pfSense" appear in their names without prior written

 *      permission of the Electric Sheep Fencing, LLC.

 *

 *  6. Redistributions of any form whatsoever must retain the following

 *      acknowledgment:

 *

 *  "This product includes software developed by the pfSense Project

 *  for use in the pfSense software distribution (http://www.pfsense.org/).

 *

 *  THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY

 *  EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

 *  PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR

 *  ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 *  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT

 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

 *  LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 *  HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,

 *  STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)

 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED

 *  OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 *  ====================================================================

 *

 */

##|+PRIV

##|*IDENT=page-status-carp

##|*NAME=Status: CARP

##|*DESCR=Allow access to the 'Status: CARP' page.

##|*MATCH=status_carp.php*

##|-PRIV

require_once("guiconfig.inc");

require_once("globals.inc");

unset($interface_arr_cache);

unset($interface_ip_arr_cache);

function find_ipalias($carpif) {

	global $config;

	$ips = array();

	foreach ($config['virtualip']['vip'] as $vip) {

		if ($vip['mode'] != "ipalias") {

			continue;

		}

		if ($vip['interface'] != $carpif) {

			continue;

		}

		$ips[] = "{$vip['subnet']}/{$vip['subnet_bits']}";

	}

	return ($ips);

}

$status = get_carp_status();

if ($_POST['carp_maintenancemode'] != "") {

	interfaces_carp_set_maintenancemode(!isset($config["virtualip_carp_maintenancemode"]));

}

if ($_POST['disablecarp'] != "") {

	if ($status > 0) {

		set_single_sysctl('net.inet.carp.allow', '0');

		if (is_array($config['virtualip']['vip'])) {

			$viparr = &$config['virtualip']['vip'];

			foreach ($viparr as $vip) {

				if ($vip['mode'] != "carp" && $vip['mode'] != "ipalias")

					continue;

				if ($vip['mode'] == "ipalias" && substr($vip['interface'], 0, 4) != "_vip")

					continue;

				interface_vip_bring_down($vip);

				/*

				 * Reconfigure radvd when necessary

				 * XXX: Is it the best way to do it?

				 */

				if (isset($config['dhcpdv6']) && is_array($config['dhcpdv6'])) {

					foreach ($config['dhcpdv6'] as $dhcpv6if => $dhcpv6ifconf) {

						if ($dhcpv6if !== $vip['interface'] ||

						    $dhcpv6ifconf['ramode'] === "disabled") {

							continue;

						}

						services_radvd_configure();

						break;

					}

				}

			}

		}

		$savemsg = sprintf(gettext("%s IPs have been disabled. Please note that disabling does not survive a reboot and some configuration changes will re-enable."), $carp_counter);

		$status = 0;

	} else {

		$savemsg = gettext("CARP has been enabled.");

		if (is_array($config['virtualip']['vip'])) {

			$viparr = &$config['virtualip']['vip'];

			foreach ($viparr as $vip) {

				switch ($vip['mode']) {

					case "carp":

						interface_carp_configure($vip);

						break;

					case 'ipalias':

						if (substr($vip['interface'], 0, 4) == "_vip") {

							interface_ipalias_configure($vip);

						}

						break;

				}

			}

		}

		interfaces_sync_setup();

		set_single_sysctl('net.inet.carp.allow', '1');

		$status = 1;

	}

}

$carp_detected_problems = get_single_sysctl("net.inet.carp.demotion");

if (!empty($_POST['resetdemotion'])) {

	set_single_sysctl("net.inet.carp.demotion", "-{$carp_detected_problems}");

	sleep(1);

	$carp_detected_problems = get_single_sysctl("net.inet.carp.demotion");

}

$pgtitle = array(gettext("Status"), gettext("CARP"));

$shortcut_section = "carp";

include("head.inc");

if ($savemsg) {

	print_info_box($savemsg, 'success');

}

$carpcount = 0;

if (is_array($config['virtualip']['vip'])) {

	foreach ($config['virtualip']['vip'] as $carp) {

		if ($carp['mode'] == "carp") {

			$carpcount++;

			break;

		}

	}

}

// If $carpcount > 0 display buttons then display table

// otherwise display error box and quit

if ($carpcount == 0) {

	print_info_box(gettext('No CARP interfaces have been defined.') . '<br />' .

				   '<a href="system_hasync.php" class="alert-link">' .

				   gettext("You can configure high availability sync settings here.") .

				   '</a>');

} else {

?>

<form action="status_carp.php" method="post">

<?php

	if ($status > 0) {

		$carp_enabled = true;

	} else {

		$carp_enabled = false;

	}

	// Sadly this needs to be here so that it is inside the form

	if ($carp_detected_problems > 0) {

		print_info_box(

			gettext("CARP has detected a problem and this unit has been demoted to BACKUP status.") .

			"<br/>" .

			gettext("Check the link status on all interfaces with configured CARP VIPs.") .

			"<br/>" .

			sprintf(gettext('Search the %1$sSystem Log%2$s for CARP demotion-related events.'), "<a href=\"/status_logs.php?filtertext=carp%3A+demoted+by\">", "</a>") .

			"<br/><br/>" .

			'<input type="submit" class="btn btn-warning" name="resetdemotion" id="resetdemotion" value="' .

			gettext("Reset CARP Demotion Status.") .

			'" />',

			'danger'

		);

	}

?>

	<input type="submit" class="btn btn-warning" name="disablecarp" value="<?=($carp_enabled ? gettext("Temporarily Disable CARP") : gettext("Enable CARP"))?>" />

	<input type="submit" class="btn btn-info" name="carp_maintenancemode" id="carp_maintenancemode" value="<?=(isset($config["virtualip_carp_maintenancemode"]) ? gettext("Leave Persistent CARP Maintenance Mode") : gettext("Enter Persistent CARP Maintenance Mode"))?>" />

	<br /><br />

	<div class="panel panel-default">

		<div class="panel-heading"><h2 class="panel-title"><?=gettext('CARP Interfaces')?></h2></div>

			<div class="panel-body table-responsive">

				<table class="table table-striped table-condensed table-hover sortable-theme-bootstrap " data-sortable>

					<thead>

						<tr>

							<th><?=gettext("CARP Interface")?></th>

							<th><?=gettext("Virtual IP")?></th>

							<th><?=gettext("Status")?></th>

						</tr>

					</thead>

					<tbody>

<?php

	foreach ($config['virtualip']['vip'] as $carp) {

		if ($carp['mode'] != "carp") {

			continue;

		}

		$vhid = $carp['vhid'];

		$status = get_carp_interface_status("_vip{$carp['uniqid']}");

		$aliases = find_ipalias("_vip{$carp['uniqid']}");

		if ($carp_enabled == false) {

			$icon = 'times-circle';

			$status = "DISABLED";

		} else {

			if ($status == "MASTER") {

				$icon = 'check-circle';

			} else if ($status == "BACKUP") {

				$icon = 'check-circle-o';

			} else if ($status == "INIT") {

				$icon = 'question-circle';

			}

		}

?>

					<tr>

						<td><?=convert_friendly_interface_to_friendly_descr($carp['interface'])?>@<?=$vhid?></td>

						<td>

<?php

		printf("{$carp['subnet']}/{$carp['subnet_bits']}");

		for ($i = 0; $i < count($aliases); $i++) {

			printf("<br>{$aliases[$i]}");

		}

?>

						</td>

						<td><i class="fa fa-<?=$icon?>"></i>&nbsp;<?=$status?></td>

					</tr>

<?php }?>

				</tbody>

			</table>

		</div>

	</div>

</form>

<div class="panel panel-default">

	<div class="panel-heading"><h2 class="panel-title"><?=gettext('pfSync Nodes')?></h2></div>

	<div class="panel-body">

		<ul>

<?php

	$nodes = array();

	$states = pfSense_get_pf_states();

	for ($i = 0; $states != NULL && $i < count($states); $i++) {

		$nodes[$states[$i]['creatorid']] = 1;

	}

	foreach ($nodes as $node => $nenabled) {

		echo "<li>$node</li>";

	}

?>

		</ul>

	</div>

</div>

<?php

}

include("foot.inc");