pfSense

/* $Id$ */

/*

	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.

	Copyright (C) 2013-2015 Electric Sheep Fencing, LP

	All rights reserved.

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

	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

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,

/*

	pfSense_MODULE: system

*/

##|+PRIV

require("guiconfig.inc");

require_once("functions.inc");

list($pconfig['dns1'], $pconfig['dns2'], $pconfig['dns3'], $pconfig['dns4']) = $config['system']['dnsserver'];

$arr_gateways = return_gateways_array();

$pconfig['dnsallowoverride'] = isset($config['system']['dnsallowoverride']);

$pconfig['theme'] = $config['system']['theme'];

$pconfig['language'] = $config['system']['language'];

$pconfig['dnslocalhost'] = isset($config['system']['dnslocalhost']);

if (!isset($pconfig['timeupdateinterval'])) {

	$pconfig['timeupdateinterval'] = 300;

}

	$pconfig['timezone'] = "Etc/UTC";

}

	$pconfig['timeservers'] = "pool.ntp.org";

}

$changedesc = gettext("System") . ": ";

$changecount = 0;

function is_timezone($elt) {

if ($pconfig['timezone'] <> $_POST['timezone']) {

	filter_pflog_start(true);

}

exec('/usr/bin/tar -tzf /usr/share/zoneinfo.tgz', $timezonelist);

$multiwan = false;

$interfaces = get_configured_interface_list();

foreach ($interfaces as $interface) {

		$multiwan = true;

	}

if ($_POST) {

	$changecount++;

	unset($input_errors);

	$reqdfields = explode(" ", "hostname domain");

	$reqdfieldsn = array(gettext("Hostname"), gettext("Domain"));

	do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);

	if ($_POST['hostname']) {

	}

		$input_errors[] = gettext("The domain may only contain the characters a-z, 0-9, '-' and '.'.");

	}

	$ignore_posted_dnsgw = array();

	for ($dnscounter=1; $dnscounter<5; $dnscounter++) {

		$dnsname="dns{$dnscounter}";

			$input_errors[] = gettext("A valid IP address must be specified for DNS server $dnscounter.");

			if (($_POST[$dnsgwname] <> "") && ($_POST[$dnsgwname] <> "none")) {

				// A real gateway has been selected.

					if ((is_ipaddrv4($_POST[$dnsname])) && (validate_address_family($_POST[$dnsname], $_POST[$dnsgwname]) === false)) {

						$input_errors[] = gettext("You can not specify IPv6 gateway '{$_POST[$dnsgwname]}' for IPv4 DNS server '{$_POST[$dnsname]}'");

					if ((is_ipaddrv6($_POST[$dnsname])) && (validate_address_family($_POST[$dnsname], $_POST[$dnsgwname]) === false)) {

						$input_errors[] = gettext("You can not specify IPv4 gateway '{$_POST[$dnsgwname]}' for IPv6 DNS server '{$_POST[$dnsname]}'");

					// The user selected a gateway but did not provide a DNS address. Be nice and set the gateway back to "none".

				}

			}

		}

	}

	$direct_networks_list = explode(" ", filter_get_direct_networks_list());

	for ($dnscounter=1; $dnscounter<5; $dnscounter++) {

		$dnsgwitem = "dns{$dnscounter}gw";

		if ($_POST[$dnsgwitem]) {

			if (interface_has_gateway($_POST[$dnsgwitem])) {

					}

	$t = (int)$_POST['timeupdateinterval'];

		$input_errors[] = gettext("The time update interval must be either 0 (disabled) or between 6 and 1440.");

	}

	# it's easy to have a little too much whitespace in the field, clean it up for the user before processing.

	foreach (explode(' ', $_POST['timeservers']) as $ts) {

			$input_errors[] = gettext("A NTP Time Server name may only contain the characters a-z, 0-9, '-' and '.'.");

		}

		update_if_changed("hostname", $config['system']['hostname'], $_POST['hostname']);

		update_if_changed("timezone", $config['system']['timezone'], $_POST['timezone']);

		if ($_POST['language'] && $_POST['language'] != $config['system']['language']) {

			$config['system']['language'] = $_POST['language'];

		/* pfSense themes */

		if (!$g['disablethemeselection']) {

			update_if_changed("System Theme", $config['theme'], $_POST['theme']);

		}

		/* XXX - billm: these still need updating after figuring out how to check if they actually changed */

		$olddnsservers = $config['system']['dnsserver'];

		unset($config['system']['dnsserver']);

		if ($_POST['dns1']) {

			$config['system']['dnsserver'][] = $_POST['dns1'];

		}

			$config['system']['dnsserver'][] = $_POST['dns2'];

		}

			$config['system']['dnsserver'][] = $_POST['dns3'];

		}

			$config['system']['dnsserver'][] = $_POST['dns4'];

		}

		$olddnsallowoverride = $config['system']['dnsallowoverride'];

		unset($config['system']['dnsallowoverride']);

		$config['system']['dnsallowoverride'] = $_POST['dnsallowoverride'] ? true : false;

		if ($_POST['dnslocalhost'] == "yes") {

			$config['system']['dnslocalhost'] = true;

		} else {

			unset($config['system']['dnslocalhost']);

		}

		/* which interface should the dns servers resolve through? */

		$outdnscounter = 0;

		for ($dnscounter=1; $dnscounter<5; $dnscounter++) {

			$olddnsgwname = $config['system'][$dnsgwname];

			if ($ignore_posted_dnsgw[$dnsgwname]) {

				$thisdnsgwname = "none";

			} else {

				$thisdnsgwname = $pconfig[$dnsgwname];

			}

				if ($_POST[$dnsgwname]) {

					$config['system'][$outdnsgwname] = $thisdnsgwname;

			}

			if (($olddnsgwname != "") && ($olddnsgwname != "none") && (($olddnsgwname != $thisdnsgwname) || ($olddnsservers[$dnscounter-1] != $_POST[$dnsname]))) {

				// A previous DNS GW name was specified. It has now gone or changed, or the DNS server address has changed.

				if (is_ipaddrv4($olddnsservers[$dnscounter-1])) {

					mwexec("/sbin/route delete " . escapeshellarg($olddnsservers[$dnscounter-1]));

				} else {

						mwexec("/sbin/route delete -inet6 " . escapeshellarg($olddnsservers[$dnscounter-1]));

					}

			}

		}

		if ($changecount > 0) {

			write_config($changedesc);

		}

		$retval = 0;

		$retval = system_hostname_configure();

		if (isset($config['dnsmasq']['enable'])) {

			$retval |= services_dnsmasq_configure();

		} elseif (isset($config['unbound']['enable'])) {

			$retval |= services_unbound_configure();

		}

		$retval |= system_timezone_configure();

		if ($olddnsallowoverride != $config['system']['dnsallowoverride']) {

			$retval |= send_event("service reload dns");

		}

		// Reload the filter - plugins might need to be run.

		$retval |= filter_configure();

		$savemsg = get_std_save_message($retval);

}

$pgtitle = array(gettext("System"), gettext("General Setup"));

include("head.inc");

if ($input_errors)

?>

<div id="container">

<?php

require_once('classes/Form.class.php');

$form = new Form;

$section = new Form_Section('System');

	'hostname',

	'Hostname',

	'domain',

	'Domain',

$form->add($section);

$section = new Form_Section('DNS server settings');

	$group = new Form_Group('DNS Server');

	$group->add(new Form_Input('dns['.$i.']', 'DNS Server', 'text', $pconfig['dns'.$i]));

	$help = "Enter IP addresses to be used by the system for DNS resolution. " .

			$options[$gwname] = $gwname.' - '.$gwitem['friendlyiface'].' - '.$gwitem['gateway'];

		$group->add(new Form_Select(

		$help .= '<br/>'. "In addition, optionally select the gateway for each DNS server. " .

	$group->setHelp($help);

$section->addInput(new Form_Checkbox(

	'dnsallowoverride',

	'DNS server override',

))->setHelp(sprintf(gettext('If this option is set, %s will use DNS servers'.

$section->addInput(new Form_Checkbox(

	'dnslocalhost',

	'Disable DNS forwarder',

))->setHelp('By default localhost (127.0.0.1) will be used as the first DNS'.

$section = new Form_Section('Localization');

	'timezone',

	'Timezone',

	array_combine($timezonelist, $timezonelist)

))->setHelp('Select the location closest to you');

$section->addInput(new Form_Input(

	'timeservers',

	'Timeservers',

$section->addInput(new Form_Select(

	'language',

	'Language',