path: root/src/usr/local/www/services_dyndns_edit.php

<?php
/* $Id$ */
/*
	services_dyndns_edit.php

	Copyright (C) 2008 Ermal Luçi
	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_BUILDER_BINARIES:	/bin/rm
	pfSense_MODULE: dyndns
*/

##|+PRIV
##|*IDENT=page-services-dynamicdnsclient
##|*NAME=Services: Dynamic DNS client page
##|*DESCR=Allow access to the 'Services: Dynamic DNS client' page.
##|*MATCH=services_dyndns_edit.php*
##|-PRIV

/* returns true if $uname is a valid DynDNS username */
function is_dyndns_username($uname) {
	if (!is_string($uname)) {
		return false;
	}

	if (preg_match("/[^a-z0-9\-\+.@_:]/i", $uname)) {
		return false;
	} else {
		return true;
	}
}

require("guiconfig.inc");

if (!is_array($config['dyndnses']['dyndns'])) {
	$config['dyndnses']['dyndns'] = array();
}

$a_dyndns = &$config['dyndnses']['dyndns'];

if (is_numericint($_GET['id'])) {
	$id = $_GET['id'];
}
if (isset($_POST['id']) && is_numericint($_POST['id'])) {
	$id = $_POST['id'];
}

if (isset($id) && isset($a_dyndns[$id])) {
	$pconfig['username'] = $a_dyndns[$id]['username'];
	$pconfig['password'] = $a_dyndns[$id]['password'];
	$pconfig['host'] = $a_dyndns[$id]['host'];
	$pconfig['mx'] = $a_dyndns[$id]['mx'];
	$pconfig['type'] = $a_dyndns[$id]['type'];
	$pconfig['enable'] = !isset($a_dyndns[$id]['enable']);
	$pconfig['interface'] = $a_dyndns[$id]['interface'];
	$pconfig['wildcard'] = isset($a_dyndns[$id]['wildcard']);
	$pconfig['verboselog'] = isset($a_dyndns[$id]['verboselog']);
	$pconfig['curl_ipresolve_v4'] = isset($a_dyndns[$id]['curl_ipresolve_v4']);
	$pconfig['curl_ssl_verifypeer'] = isset($a_dyndns[$id]['curl_ssl_verifypeer']);
	$pconfig['zoneid'] = $a_dyndns[$id]['zoneid'];
	$pconfig['ttl'] = $a_dyndns[$id]['ttl'];
	$pconfig['updateurl'] = $a_dyndns[$id]['updateurl'];
	$pconfig['resultmatch'] = $a_dyndns[$id]['resultmatch'];
	$pconfig['requestif'] = $a_dyndns[$id]['requestif'];
	$pconfig['descr'] = $a_dyndns[$id]['descr'];
}

if ($_POST) {
	unset($input_errors);
	$pconfig = $_POST;

	if (($pconfig['type'] == "freedns" || $pconfig['type'] == "namecheap") && $_POST['username'] == "") {
		$_POST['username'] = "none";
	}

	/* input validation */
	$reqdfields = array();
	$reqdfieldsn = array();
	$reqdfields = array("type");
	$reqdfieldsn = array(gettext("Service type"));

	if ($pconfig['type'] != "custom" && $pconfig['type'] != "custom-v6") {
		$reqdfields[] = "host";
		$reqdfieldsn[] = gettext("Hostname");
		$reqdfields[] = "passwordfld";
		$reqdfieldsn[] = gettext("Password");
		$reqdfields[] = "username";
		$reqdfieldsn[] = gettext("Username");
	} else {
		$reqdfields[] = "updateurl";
		$reqdfieldsn[] = gettext("Update URL");
	}

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

	if (isset($_POST['host']) && in_array("host", $reqdfields)) {
		/* Namecheap can have a @. in hostname */
		if ($pconfig['type'] == "namecheap" && substr($_POST['host'], 0, 2) == '@.') {
			$host_to_check = substr($_POST['host'], 2);
		} else {
			$host_to_check = $_POST['host'];
		}

		if ($pconfig['type'] != "custom" && $pconfig['type'] != "custom-v6") {
			if (!is_domain($host_to_check)) {
				$input_errors[] = gettext("The hostname contains invalid characters.");
			}
		}

		unset($host_to_check);
	}
	if (($_POST['mx'] && !is_domain($_POST['mx']))) {
		$input_errors[] = gettext("The MX contains invalid characters.");
	}
	if ((in_array("username", $reqdfields) && $_POST['username'] && !is_dyndns_username($_POST['username'])) || ((in_array("username", $reqdfields)) && ($_POST['username'] == ""))) {
		$input_errors[] = gettext("The username contains invalid characters.");
	}

	if (!$input_errors) {
		$dyndns = array();
		$dyndns['type'] = $_POST['type'];
		$dyndns['username'] = $_POST['username'];
		$dyndns['password'] = $_POST['passwordfld'];
		$dyndns['host'] = $_POST['host'];
		$dyndns['mx'] = $_POST['mx'];
		$dyndns['wildcard'] = $_POST['wildcard'] ? true : false;
		$dyndns['verboselog'] = $_POST['verboselog'] ? true : false;
		$dyndns['curl_ipresolve_v4'] = $_POST['curl_ipresolve_v4'] ? true : false;
		$dyndns['curl_ssl_verifypeer'] = $_POST['curl_ssl_verifypeer'] ? true : false;
		/* In this place enable means disabled */
		if ($_POST['enable']) {
			unset($dyndns['enable']);
		} else {
			$dyndns['enable'] = true;
		}
		$dyndns['interface'] = $_POST['interface'];
		$dyndns['zoneid'] = $_POST['zoneid'];
		$dyndns['ttl'] = $_POST['ttl'];
		$dyndns['updateurl'] = $_POST['updateurl'];
		// Trim hard-to-type but sometimes returned characters
		$dyndns['resultmatch'] = trim($_POST['resultmatch'], "\t\n\r");
		($dyndns['type'] == "custom" || $dyndns['type'] == "custom-v6") ? $dyndns['requestif'] = $_POST['requestif'] : $dyndns['requestif'] = $_POST['interface'];
		$dyndns['descr'] = $_POST['descr'];
		$dyndns['force'] = isset($_POST['force']);

		if ($dyndns['username'] == "none") {
			$dyndns['username'] = "";
		}

		if (isset($id) && $a_dyndns[$id]) {
			$a_dyndns[$id] = $dyndns;
		} else {
			$a_dyndns[] = $dyndns;
			$id = count($a_dyndns) - 1;
		}

		$dyndns['id'] = $id;
		//Probably overkill, but its better to be safe
		for ($i = 0; $i < count($a_dyndns); $i++) {
			$a_dyndns[$i]['id'] = $i;
		}

		write_config();

		services_dyndns_configure_client($dyndns);

		header("Location: services_dyndns.php");
		exit;
	}
}

function build_type_list() {
	$types = explode(",", DYNDNS_PROVIDER_DESCRIPTIONS);
	$vals = explode(" ", DYNDNS_PROVIDER_VALUES);
	$typelist = array();

	for ($j = 0; $j < count($vals); $j++)
		$typelist[$vals[$j]] = htmlspecialchars($types[$j]);

	return($typelist);
}

function build_if_list() {
	$list = array();

	$iflist = get_configured_interface_with_descr();

	foreach ($iflist as $if => $ifdesc)
		$list[$if] = $ifdesc;

	unset($iflist);

	$grouplist = return_gateway_groups_array();

	foreach ($grouplist as $name => $group)
		$list[$name] = 'GW Group ' . $name;

	unset($grouplist);

	return($list);
}

$pgtitle = array(gettext("Services"),gettext("Dynamic DNS client"));
include("head.inc");

if ($input_errors)
	print_input_errors($input_errors);

if ($savemsg)
	print_info_box($savemsg, 'success');

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

$form = new Form;

$section = new Form_Section('Dynamic DNS Client');

// Confusingly the 'enable' checkbox is labelled 'Disable', but thats the way it works!
// No action (hide or disable) is taken on selecting this.
$section->addInput(new Form_Checkbox(
	'enable',
	'Disable',
	'Disable this client',
	$pconfig['enable']
));

$section->addInput(new Form_Select(
	'type',
	'Service Type',
	$pconfig['type'],
	build_type_list()
));

$interfacelist = build_if_list();

$section->addInput(new Form_Select(
	'interface',
	'Interface to monitor',
	$pconfig['interface'],
	$interfacelist
));

$section->addInput(new Form_Select(
	'requestif',
	'Interface to send update from',
	$pconfig['request'],
	$interfacelist
))->setHelp('This is almost always the same as the Interface to Monitor. ');

$section->addInput(new Form_Input(
	'host',
	'Hostname',
	'text',
	$pconfig['host']
))->setHelp('Enter the complete host/domain name. example: myhost.dyndns.org'.
			'he.net tunnelbroker: Enter your tunnel ID'.
			'GleSYS: Enter your record ID'.
			'DNSimple: Enter only the domain name.');

$section->addInput(new Form_Input(
	'mx',
	'MX',
	'text',
	$pconfig['mx']
))->setHelp('Note: With DynDNS service you can only use a hostname, not an IP address.'.
			'Set this option only if you need a special MX record. Not	all services support this.');

$section->addInput(new Form_Checkbox(
	'wildcard',
	'Wildcards',
	'Enable Wildcard',
	$pconfig['wildcard']
));

$section->addInput(new Form_Checkbox(
	'verboselog',
	'Verbose logging',
	'Enable verbose logging',
	$pconfig['verboselog']
));

$section->addInput(new Form_Checkbox(
	'curl_ipresolve_v4',
	'CURL options',
	'Force IPv4 resolving',
	$pconfig['curl_ipresolve_v4']
));

$section->addInput(new Form_Checkbox(
	'curl_ssl_verifypeer',
	null,
	'Verify SSL peer',
	$pconfig['curl_ssl_verifypeer']
));

$section->addInput(new Form_Input(
	'username',
	'Username',
	'text',
	$pconfig['username']
))->setHelp('Username is required for all types except Namecheap, FreeDNS and Custom Entries.' . '<br />' .
			'Route 53: Enter your Access Key ID.' . '<br />' .
			'GleSYS: Enter your API user.' . '<br />' .
			'For Custom Entries, Username and Password represent HTTP Authentication username and passwords.');

$section->addInput(new Form_Input(
	'passwordfld',
	'Password',
	'password',
	$pconfig['passwordfld']
))->setHelp('FreeDNS (freedns.afraid.org): Enter your \"Authentication Token\" provided by FreeDNS.' . '<br />' .
			'Route 53: Enter your Secret Access Key.' . '<br />' .
			'GleSYS: Enter your API key.' . '<br />' .
			'DNSimple: Enter your API token.');

$section->addInput(new Form_Input(
	'zoneid',
	'Zone ID',
	'text',
	$pconfig['zoneid']
))->setHelp('Enter Zone ID that you received when you created your domain in Route 53.' . '<br />' .
			'DNSimple: Enter the Record ID of record to update.');

$section->addInput(new Form_Input(
	'updateurl',
	'Update URL',
	'text',
	$pconfig['updateurl']
))->setHelp('This is the only field required by for Custom Dynamic DNS, and is only used by Custom Entries.');

$section->addInput(new Form_Textarea(
	'resultmatch',
	'Result Match',
	$pconfig['resultmatch']
))->sethelp('This field should be identical to what your DDNS Provider will return if the update succeeds, leave it blank to disable checking of returned results.' . '<br />' .
			'If you need the new IP to be included in the request, put %IP% in its place.' . '<br />' .
			'If you need to include multiple possible values, separate them with a |. If your provider includes a |, escape it with \\|)' . '<br />' .
			'Tabs (\\t), newlines (\\n) and carriage returns (\\r) at the beginning or end of the returned results are removed before comparison.');

$section->addInput(new Form_Input(
	'ttl',
	'TTL',
	'text',
	$pconfig['ttl']
))->setHelp('Choose TTL for your dns record.');

$section->addInput(new Form_Input(
	'description',
	'Description',
	'text',
	$pconfig['description']
))->setHelp('You may enter a description here for your reference (not parsed).');

if (isset($id) && $a_dyndns[$id]) {
	$section->addInput(new Form_Input(
		'id',
		null,
		'hidden',
		$id
	));
}

$form->add($section);

print($form);

// Certain input elements are hidden/shown based on the service type in the following script
?>

<script>
//<![CDATA[
events.push(function(){
	var visible = false;

	// Hides the <div> in which the specified input element lives so that the input, its label and help text are hidden
	function hideInput(id, hide) {
		if(hide)
			$('#' + id).parent().parent('div').addClass('hidden');
		else
			$('#' + id).parent().parent('div').removeClass('hidden');
	}

	// Hides the <div> in which the specified checkbox lives so that the checkbox, its label and help text are hidden
	function hideCheckbox(id, hide) {
		if(hide)
			$('#' + id).parent().parent().parent('div').addClass('hidden');
		else
			$('#' + id).parent().parent().parent('div').removeClass('hidden');
	}

	function setVisible(service) {
		switch(service) {
			case "custom" :
			case "custom-v6" :
				hideInput('resultmatch', false);
				hideInput('updateurl', false);
				hideInput('requestif', false);
				hideCheckbox('curl_ipresolve_v4', false);
				hideCheckbox('curl_ssl_verifypeer', false);
				hideInput('host', true);
				hideInput('mx', true);
				hideCheckbox('wildcard', true);
				hideInput('zoneid', true);
				hideInput('ttl', true);
				break;

			case "dnsimple":
			case "route53":
				hideInput('resultmatch', true);
				hideInput('updateurl', true);
				hideInput('requestif', true);
				hideCheckbox('curl_ipresolve_v4', true);
				hideCheckbox('curl_ssl_verifypeer', false);
				hideInput('host', false);
				hideInput('mx', false);
				hideCheckbox('wildcard', false);
				hideInput('zoneid', false);
				hideInput('ttl', false);
				break;

			default:
				hideInput('resultmatch', true);
				hideInput('updateurl', true);
				hideInput('requestif', true);
				hideCheckbox('curl_ipresolve_v4', true);
				hideCheckbox('curl_ssl_verifypeer', true);
				hideInput('host', false);
				hideInput('mx', false);
				hideCheckbox('wildcard', false);
				hideInput('zoneid', true);
				hideInput('ttl', true);
		}
	}

	// When the 'Service type" selector is changed, we show/hide certain elements
	$('#type').on('change', function() {
		setVisible( this.value );
	});

	// On initial page load
	setVisible($('#type').val());

});
//]]>
</script>

<?php include("foot.inc");