<?php
/* $Id$ */
/*
	system_hasync.php
	part of pfSense (https://www.pfsense.org/)

	Copyright (C) 2012 Darren Embry <dse@webonastick.com>.
	Copyright (C) 2013-2015 Electric Sheep Fencing, LP
	All rights reserved.

	Redistribution and use in source and binary forms, with or without
	modification, are permitted provided that the following conditions are met:

	1. Redistributions of source code must retain the above copyright notice,
	   this list of conditions and the following disclaimer.

	2. Redistributions in binary form must reproduce the above copyright
	   notice, this list of conditions and the following disclaimer in the
	   documentation and/or other materials provided with the distribution.

	THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
	INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
	AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
	OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	POSSIBILITY OF SUCH DAMAGE.
*/
/*
	pfSense_MODULE: system
*/

##|+PRIV
##|*IDENT=page-system-hasync
##|*NAME=System: High Availability Sync
##|*DESCR=Allow access to the 'System: High Availability Sync' page.
##|*MATCH=system_hasync.php*
##|-PRIV

require("guiconfig.inc");

if (!is_array($config['hasync']))
	$config['hasync'] = array();

$a_hasync = &$config['hasync'];

$checkbox_names = array(
	'pfsyncenabled',
	'synchronizeusers',
	'synchronizeauthservers',
	'synchronizecerts',
	'synchronizerules',
	'synchronizeschedules',
	'synchronizealiases',
	'synchronizenat',
	'synchronizeipsec',
	'synchronizeopenvpn',
	'synchronizedhcpd',
	'synchronizewol',
	'synchronizestaticroutes',
	'synchronizelb',
	'synchronizevirtualip',
	'synchronizetrafficshaper',
	'synchronizetrafficshaperlimiter',
	'synchronizetrafficshaperlayer7',
	'synchronizednsforwarder',
	'synchronizecaptiveportal');

if ($_POST) {
	$pconfig = $_POST;
	foreach ($checkbox_names as $name) {
		$a_hasync[$name] = $pconfig[$name] ? $pconfig[$name] : false;
	}
	$a_hasync['pfsyncpeerip']	= $pconfig['pfsyncpeerip'];
	$a_hasync['pfsyncinterface'] = $pconfig['pfsyncinterface'];
	$a_hasync['synchronizetoip'] = $pconfig['synchronizetoip'];
	$a_hasync['username']		= $pconfig['username'];
	$a_hasync['password']		= $pconfig['passwordfld'];
	write_config("Updated High Availability Sync configuration");
	interfaces_sync_setup();
	header("Location: system_hasync.php");
	exit();
}

foreach ($checkbox_names as $name) {
	$pconfig[$name] = $a_hasync[$name];
}
$pconfig['pfsyncpeerip']	= $a_hasync['pfsyncpeerip'];
$pconfig['pfsyncinterface'] = $a_hasync['pfsyncinterface'];
$pconfig['synchronizetoip'] = $a_hasync['synchronizetoip'];
$pconfig['username']		= $a_hasync['username'];
$pconfig['passwordfld']	 = $a_hasync['password'];

$ifaces = get_configured_interface_with_descr();
$ifaces["lo0"] = "loopback";

$pgtitle = array(gettext("System"), gettext("High Availability Sync"));
$shortcut_section = "carp";

// Build a list of available interfaces
$iflist = array();
foreach ($ifaces as $ifname => $iface) {
	$iflist[$ifname] = $iface;
}

include("head.inc");

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

$form = new Form;

$section = new Form_Section('State Synchronization Settings (pfsync)');

$section->addInput(new Form_Checkbox(
	'pfsyncenabled',
	'Synchronize states',
	'pfsync transfers state insertion, update, and deletion messages between firewalls.',
	($pconfig['pfsyncenabled'] === 'on'),
	'on'
))->setHelp('Each firewall sends these messages out via multicast on a specified interface, using the PFSYNC protocol (IP Protocol 240).' .
			' It also listens on that interface for similar messages from other firewalls, and imports them into the local state table.<br />' .
			'This setting should be enabled on all members of a failover group.<br />' .
			'Clicking "Save" will force a configuration sync if it is enabled! (see Configuration Synchronization Settings below)');

$section->addInput(new Form_Select(
	'pfsyncinterface',
	'Synchorize Interface',
	$pconfig['pfsyncinterface'],
	$iflist
))->setHelp('If Synchronize States is enabled this interface will be used for communication.<br />' .
			'We recommend setting this to an interface other than LAN!	A dedicated interface works the best.<br />' .
			'You must define a IP on each machine participating in this failover group.<br />' .
			'You must have an IP assigned to the interface on any participating sync nodes.');

$section->addInput(new Form_Input(
	'pfsyncpeerip',
	'pfsync Synchronize Peer IP',
	'text',
	$pconfig['pfsyncpeerip'],
	['placeholder' => 'IP Address']
))->setHelp('Setting this option will force pfsync to synchronize its state table to this IP address.  The default is directed multicast.');

$form->add($section);

$section = new Form_Section('Configuration Synchronization Settings (XMLRPC Sync)');

$section->addInput(new Form_Input(
	'synchronizetoip',
	'Synchronize Config to IP',
	'text',
	$pconfig['synchronizetoip'],
	['placeholder' => 'IP Address']
))->setHelp('Enter the IP address of the firewall to which the selected configuration sections should be synchronized.<br /><br />' .
			'XMLRPC sync is currently only supported over connections using the same protocol and port as this system - make sure the remote system\'s port and protocol are set accordingly!<br />' .
			'Do not use the Synchronize Config to IP and password option on backup cluster members!');

$section->addInput(new Form_Input(
	'username',
	'Remote System Username',
	'text',
	$pconfig['username']
))->setHelp('Enter the webConfigurator username of the system entered above for synchronizing your configuration.<br />' .
			'Do not use the Synchronize Config to IP and username option on backup cluster members!');

$section->addInput(new Form_Input(
	'passwordfld',
	'Remote System Password',
	'password',
	$pconfig['passwordfld']
))->setHelp('Enter the webConfigurator password of the system entered above for synchronizing your configuration.<br />' .
			'Do not use the Synchronize Config to IP and password option on backup cluster members!');

$group = new Form_MultiCheckboxGroup('Select options to sync');

$group->add(new Form_MultiCheckbox(
	'synchronizeusers',
	'Synchronize Users and Groups',
	'Sync the users and groups over ',
	($pconfig['synchronizeusers'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizeauthservers',
	'Synchronize Auth Servers',
	'Sync the authentication servers (e.g. LDAP, RADIUS) over ',
	($pconfig['synchronizeauthservers'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizecerts',
	'Synchronize Certificates',
	'Sync the Certificate Authorities, Certificates, and Certificate Revocation Lists over  ',
	($pconfig['synchronizecerts'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizerules',
	'Synchronize Rules',
	'Sync the firewall rules ',
	($pconfig['synchronizerules'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizeschedules',
	'Synchronize Firewall schedules',
	'Sync the firewall schedules ',
	($pconfig['synchronizeschedules'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizealiases',
	'Synchronize Firewall aliasas',
	'Sync the firewall aliasas ',
	($pconfig['synchronizealiasas'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizenat',
	'Synchronize NAT',
	'Sync NAT rules ',
	($pconfig['synchronizenat'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizeipsec',
	'Synchronize IPsec',
	'Automatically IPsec configuration ',
	($pconfig['synchronizeipsec'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizeopenvpn',
	'Synchronize OpenVPN',
	'Automatically OpenVPN configuration ',
	($pconfig['synchronizeopenvpn'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizedhcpd',
	'Synchronize DHCPD',
	'Sync DHCP Server settings ',
	($pconfig['synchronizedhcpd'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizewol',
	'Synchronize Wake on LAN',
	'Sync WoL Server settings ',
	($pconfig['synchronizewol'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizestaticroutes',
	'Synchronize Static Routes',
	'Sync Static Route configuration ',
	($pconfig['synchronizestaticroutes'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizelb',
	'Synchronize Load Balancer',
	'Sync Load Balancer configuration ',
	($pconfig['synchronizelb'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizevirtualip',
	'Synchronize Virtual IPs',
	'Sync Virtual IPs ',
	($pconfig['synchronizevirtualip'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizetrafficshaper',
	'Synchronize traffic shaper (queues)',
	'Sync the Traffic Shaper configuration ',
	($pconfig['synchronizetrafficshaper'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizetrafficshaperlimiter',
	'Synchronize traffic shaper (limiter)',
	'Sync the Traffic Shaper configuration for limiters ',
	($pconfig['synchronizetrafficshaperlimiter'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizetrafficshaperlayer7',
	'Synchronize traffic shaper (layer 7)',
	'Sync the Traffic Shaper configuration for layer 7 ',
	($pconfig['synchronizetrafficshaperlayer7'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizednsforwarder',
	'Synchronize traffic shaper (Forwarder/Resolver)',
	'Sync the DNS Forwarder and DNS Resolver configurations ',
	($pconfig['synchronizednsforwarder'] === 'on'),
	'on'
));

$group->add(new Form_MultiCheckbox(
	'synchronizecaptiveportal',
	'Synchronize Captive Portal)',
	'Sync the Captive Portal configurations ',
	($pconfig['synchronizecaptiveportal'] === 'on'),
	'on'
));

$section->add($group);

$form->add($section);

print($form);

include("foot.inc");