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<?php
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/* $Id$ */
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/*
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	Copyright (C) 2008 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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*/
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/*
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	pfSense_BUILDER_BINARIES:	/bin/rm
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	pfSense_MODULE:	dyndns
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*/
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##|+PRIV
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##|*IDENT=page-services-dynamicdnsclient
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##|*NAME=Services: Dynamic DNS client page
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##|*DESCR=Allow access to the 'Services: Dynamic DNS client' page.
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##|*MATCH=services_dyndns_edit.php*
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##|-PRIV
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/* returns true if $uname is a valid DynDNS username */
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function is_dyndns_username($uname) {
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        if (!is_string($uname))
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                return false;
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        if (preg_match("/[^a-z0-9\-.@_:]/i", $uname))
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                return false;
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        else
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                return true;
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}
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require("guiconfig.inc");
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if (!is_array($config['dyndnses']['dyndns'])) {
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	$config['dyndnses']['dyndns'] = array();
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}
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$a_dyndns = &$config['dyndnses']['dyndns'];
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$id = $_GET['id'];
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if (isset($_POST['id']))
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	$id = $_POST['id'];
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if (isset($id) && isset($a_dyndns[$id])) {
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	$pconfig['username'] = $a_dyndns[$id]['username'];
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	$pconfig['password'] = $a_dyndns[$id]['password'];
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	$pconfig['host'] = $a_dyndns[$id]['host'];
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	$pconfig['mx'] = $a_dyndns[$id]['mx'];
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	$pconfig['type'] = $a_dyndns[$id]['type'];
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	$pconfig['enable'] = !isset($a_dyndns[$id]['enable']);
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	$pconfig['interface'] = $a_dyndns[$id]['interface'];
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	$pconfig['wildcard'] = isset($a_dyndns[$id]['wildcard']);
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	$pconfig['verboselog'] = isset($a_dyndns[$id]['verboselog']);
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	$pconfig['curl_ipresolve_v4'] = isset($a_dyndns[$id]['curl_ipresolve_v4']);
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	$pconfig['curl_ssl_verifypeer'] = isset($a_dyndns[$id]['curl_ssl_verifypeer']);
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	$pconfig['zoneid'] = $a_dyndns[$id]['zoneid'];
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	$pconfig['ttl'] = isset($a_dyndns[$id]['ttl']);
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	$pconfig['updateurl'] = $a_dyndns[$id]['updateurl'];
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	$pconfig['resultmatch'] = $a_dyndns[$id]['resultmatch'];
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	$pconfig['requestif'] = $a_dyndns[$id]['requestif'];
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	$pconfig['descr'] = $a_dyndns[$id]['descr'];
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}
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if ($_POST) {
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	unset($input_errors);
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	$pconfig = $_POST;
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	if(($pconfig['type'] == "freedns" || $pconfig['type'] == "namecheap") && $_POST['username'] == "")
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		$_POST['username'] = "none"; 
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	/* input validation */
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	$reqdfields = array();
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	$reqdfieldsn = array();
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	$reqdfields = array("type");
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	$reqdfieldsn = array(gettext("Service type"));
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	if ($pconfig['type'] != "custom" && $pconfig['type'] != "custom-v6") {
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		$reqdfields[] = "host";
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		$reqdfieldsn[] = gettext("Hostname");
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		$reqdfields[] = "password";
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		$reqdfieldsn[] = gettext("Password");
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 		$reqdfields[] = "username";
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 		$reqdfieldsn[] = gettext("Username");
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	}else{
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		$reqdfields[] = "updateurl";
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		$reqdfieldsn[] = gettext("Update URL");
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 	}
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	do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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	if (($_POST['mx'] && !is_domain($_POST['mx']))) 
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		$input_errors[] = gettext("The MX contains invalid characters.");
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	if ((in_array("username", $reqdfields) && $_POST['username'] && !is_dyndns_username($_POST['username'])) || ((in_array("username", $reqdfields)) && ($_POST['username'] == ""))) 
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 		$input_errors[] = gettext("The username contains invalid characters.");
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	if (!$input_errors) {
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		$dyndns = array();
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		$dyndns['type'] = $_POST['type'];
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		$dyndns['username'] = $_POST['username'];
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		$dyndns['password'] = $_POST['password'];
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		$dyndns['host'] = $_POST['host'];
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		$dyndns['mx'] = $_POST['mx'];
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		$dyndns['wildcard'] = $_POST['wildcard'] ? true : false;
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		$dyndns['verboselog'] = $_POST['verboselog'] ? true : false;
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		$dyndns['curl_ipresolve_v4'] = $_POST['curl_ipresolve_v4'] ? true : false;
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		$dyndns['curl_ssl_verifypeer'] = $_POST['curl_ssl_verifypeer'] ? true : false;
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		/* In this place enable means disabled */
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		if ($_POST['enable'])
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			unset($dyndns['enable']);
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		else
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			$dyndns['enable'] = true;
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		$dyndns['interface'] = $_POST['interface'];
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		$dyndns['zoneid'] = $_POST['zoneid'];
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		$dyndns['ttl'] = $_POST['ttl'];
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		$dyndns['updateurl'] = $_POST['updateurl'];
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		// Trim hard-to-type but sometimes returned characters
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		$dyndns['resultmatch'] = trim($_POST['resultmatch'], "\t\n\r");
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		($dyndns['type'] == "custom" || $dyndns['type'] == "custom-v6") ? $dyndns['requestif'] = $_POST['requestif'] : $dyndns['requestif'] = $_POST['interface'];
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		$dyndns['descr'] = $_POST['descr'];
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		$dyndns['force'] = isset($_POST['force']);
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		if($dyndns['username'] == "none")
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			$dyndns['username'] = "";
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		if (isset($id) && $a_dyndns[$id])
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			$a_dyndns[$id] = $dyndns;
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		else {
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 			$a_dyndns[] = $dyndns;
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			$id = count($a_dyndns) - 1;
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		}
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		$dyndns['id'] = $id;
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		//Probably overkill, but its better to be safe
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		for($i = 0; $i < count($a_dyndns); $i++) {
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			$a_dyndns[$i]['id'] = $i;
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		}
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		write_config();
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		services_dyndns_configure_client($dyndns);
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		header("Location: services_dyndns.php");
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		exit;
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	}
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}
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$pgtitle = array(gettext("Services"),gettext("Dynamic DNS client"));
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<?php if ($savemsg) print_info_box($savemsg); ?>
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<script type="text/javascript">
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function _onTypeChange(type){ 
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	switch(type) {
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		case "custom":
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		case "custom-v6":
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			document.getElementById("_resulttr").style.display = '';
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			document.getElementById("_urltr").style.display = '';
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			document.getElementById("_requestiftr").style.display = '';
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			document.getElementById("_curloptions").style.display = '';
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			document.getElementById("_hostnametr").style.display = 'none';
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			document.getElementById("_mxtr").style.display = 'none';
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			document.getElementById("_wildcardtr").style.display = 'none';
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			document.getElementById("r53_zoneid").style.display='none';
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			document.getElementById("r53_ttl").style.display='none';
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			break;
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		case "route53":
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			document.getElementById("_resulttr").style.display = 'none';
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			document.getElementById("_urltr").style.display = 'none';
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			document.getElementById("_requestiftr").style.display = 'none';
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			document.getElementById("_curloptions").style.display = 'none';
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			document.getElementById("_hostnametr").style.display = '';
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			document.getElementById("_mxtr").style.display = '';
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			document.getElementById("_wildcardtr").style.display = '';
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			document.getElementById("r53_zoneid").style.display='';
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			document.getElementById("r53_ttl").style.display='';
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			break;
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		default:
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			document.getElementById("_resulttr").style.display = 'none';
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			document.getElementById("_urltr").style.display = 'none';
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			document.getElementById("_requestiftr").style.display = 'none';
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			document.getElementById("_curloptions").style.display = 'none';
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			document.getElementById("_hostnametr").style.display = '';
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			document.getElementById("_mxtr").style.display = '';
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			document.getElementById("_wildcardtr").style.display = '';
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			document.getElementById("r53_zoneid").style.display='none';
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			document.getElementById("r53_ttl").style.display='none';
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	}
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}
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</script>
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<form action="services_dyndns_edit.php" method="post" name="iform" id="iform">
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              <table width="100%" border="0" cellpadding="6" cellspacing="0">
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                <tr>
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                  <td colspan="2" valign="top" class="optsect_t">
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				  <table border="0" cellspacing="0" cellpadding="0" width="100%">
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				  <tr><td class="optsect_s"><strong><?=gettext("Dynamic DNS client");?></strong></td></tr>
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				  </table>
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				  </td>
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                </tr>
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                <tr>
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                  <td width="22%" valign="top" class="vncell"><?=gettext("Disable");?></td>
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				  <td width="78%" class="vtable">
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				    <input name="enable" type="checkbox" id="enable" value="<?=gettext("yes");?>" <?php if ($pconfig['enable']) echo "checked"; ?>>
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				  </td>
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                </tr>
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                <tr>
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                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Service type");?></td>
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                  <td width="78%" class="vtable">
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			<select name="type" class="formselect" id="type" onchange="_onTypeChange(this.options[this.selectedIndex].value);">
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                      <?php
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						$types = explode(",", DYNDNS_PROVIDER_DESCRIPTIONS);
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						$vals = explode(" ", DYNDNS_PROVIDER_VALUES);
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						$j = 0; for ($j = 0; $j < count($vals); $j++): ?>
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                      <option value="<?=$vals[$j];?>" <?php if ($vals[$j] == $pconfig['type']) echo "selected";?>>
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                      <?=htmlspecialchars($types[$j]);?>
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                      </option>
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                      <?php endfor; ?>
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                    </select></td>
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				</tr>
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				<tr>
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				   <td width="22%" valign="top" class="vncellreq"><?=gettext("Interface to monitor");?></td>  
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				   <td width="78%" class="vtable">
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				   <select name="interface" class="formselect" id="interface">
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				<?php
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					$iflist = get_configured_interface_with_descr();					
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				   	foreach ($iflist as $if => $ifdesc) {
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						echo "<option value=\"{$if}\"";
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						if ($pconfig['interface'] == $if)
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							echo "selected";
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						echo ">{$ifdesc}</option>\n";
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					}
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					$grouplist = return_gateway_groups_array();
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				   	foreach ($grouplist as $name => $group) {
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						echo "<option value=\"{$name}\"";
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						if ($pconfig['interface'] == $name)
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							echo "selected";
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						echo ">GW Group {$name}</option>\n";
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					}
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				?>
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					</select>
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					</td>
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					</td>
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				</tr>	
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				<tr id="_requestiftr">
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				   <td width="22%" valign="top" class="vncellreq"><?=gettext("Interface to send update from");?></td>  
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				   <td width="78%" class="vtable">
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				   <select name="requestif" class="formselect" id="requestif">
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				   <?php $iflist = get_configured_interface_with_descr();
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				   		foreach ($iflist as $if => $ifdesc):?>
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							<option value="<?=$if;?>" <?php if ($pconfig['requestif'] == $if) echo "selected";?>><?=$ifdesc;?></option>
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					<?php endforeach; ?>
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					</select>
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					<br/><?= gettext("Note: This is almost always the same as the Interface to Monitor.");?>
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					</td>
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					</td>
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				</tr>
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                <tr id="_hostnametr">
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                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Hostname");?></td>
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                  <td width="78%" class="vtable">
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                    <input name="host" type="text" class="formfld unknown" id="host" size="30" value="<?=htmlspecialchars($pconfig['host']);?>">
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                    <br>
285
				    <span class="vexpl">
286
				    <span class="red"><strong><?=gettext("Note:");?><br></strong>
287
				    </span>
288
					<?=gettext("Enter the complete host/domain name.  example:  myhost.dyndns.org");?><br/>
289
					<?=gettext("For he.net tunnelbroker, enter your tunnel ID");?>
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				    </span>
291
		          </td>
292
				</tr>
293
                <tr id="_mxtr">
294
                  <td width="22%" valign="top" class="vncell"><?=gettext("MX"); ?></td>
295
                  <td width="78%" class="vtable">
296
                    <input name="mx" type="text" class="formfld unknown" id="mx" size="30" value="<?=htmlspecialchars($pconfig['mx']);?>">
297
                    <br>
298
					<?=gettext("Note: With DynDNS service you can only use a hostname, not an IP address.");?>
299
					<br>
300
                    <?=gettext("Set this option only if you need a special MX record. Not".
301
                   " all services support this.");?></td>
302
				</tr>
303
                <tr id="_wildcardtr">
304
                  <td width="22%" valign="top" class="vncell"><?=gettext("Wildcards"); ?></td>
305
                  <td width="78%" class="vtable">
306
                    <input name="wildcard" type="checkbox" id="wildcard" value="yes" <?php if ($pconfig['wildcard']) echo "checked"; ?>>
307
                    <?=gettext("Enable ");?><?=gettext("Wildcard"); ?></td>
308
				</tr>
309
                <tr id="_verboselogtr">
310
                  <td width="22%" valign="top" class="vncell"><?=gettext("Verbose logging"); ?></td>
311
                  <td width="78%" class="vtable">
312
                    <input name="verboselog" type="checkbox" id="verboselog" value="yes" <?php if ($pconfig['verboselog']) echo "checked"; ?>>
313
                    <?=gettext("Enable ");?><?=gettext("verbose logging"); ?></td>
314
				</tr>
315
				<tr id="_curloptions">
316
                  <td width="22%" valign="top" class="vncell"><?=gettext("CURL options"); ?></td>
317
                  <td width="78%" class="vtable">
318
                    <input name="curl_ipresolve_v4" type="checkbox" id="curl_ipresolve_v4" value="yes" <?php if ($pconfig['curl_ipresolve_v4']) echo "checked"; ?>>
319
                    <?=gettext("Force IPv4 resolving"); ?><br/>
320
					<input name="curl_ssl_verifypeer" type="checkbox" id="curl_ssl_verifypeer" value="yes" <?php if ($pconfig['curl_ssl_verifypeer']) echo "checked"; ?>>
321
                    <?=gettext("Verify SSL peer"); ?>
322
				  </td>
323
				</tr>
324
                <tr id="_usernametr">
325
                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Username");?></td>
326
                  <td width="78%" class="vtable">
327
                    <input name="username" type="text" class="formfld user" id="username" size="20" value="<?=htmlspecialchars($pconfig['username']);?>">
328
                    <br/><?= gettext("Username is required for all types except Namecheap, FreeDNS and Custom Entries.");?>
329
		    <br/><?= gettext("Route 53: Enter your Access Key ID.");?>
330
		    <br/><?= gettext("For Custom Entries, Username and Password represent HTTP Authentication username and passwords.");?>
331
                  </td>
332
                </tr>
333
                <tr>
334
                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Password");?></td>
335
                  <td width="78%" class="vtable">
336
                    <input name="password" type="password" class="formfld pwd" id="password" size="20" value="<?=htmlspecialchars($pconfig['password']);?>">
337
                    <br/>
338
                    <?=gettext("FreeDNS (freedns.afraid.org): Enter your \"Authentication Token\" provided by FreeDNS.");?>
339
		    <br/><?= gettext("Route 53: Enter your Secret Access Key.");?>
340
                  </td>
341
                </tr>
342

    
343
                <tr id="r53_zoneid" style="display:none">
344
                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Zone ID");?></td>
345
                  <td width="78%" class="vtable">
346
                    <input name="zoneid" type="text" class="formfld user" id="zoneid" size="20" value="<?=htmlspecialchars($pconfig['zoneid']);?>">
347
                    <br/><?= gettext("Enter Zone ID that you received when you created your domain in Route 53.");?>
348
                  </td>
349
                </tr>
350
                <tr id="_urltr">
351
                  <td width="22%" valign="top" class="vncell"><?=gettext("Update URL");?></td>
352
                  <td width="78%" class="vtable">
353
                    <input name="updateurl" type="text" class="formfld unknown" id="updateurl" size="60" value="<?=htmlspecialchars($pconfig['updateurl']);?>">
354
                    <br/><?= gettext("This is the only field required by for Custom Dynamic DNS, and is only used by Custom Entries.");?>
355
			<br/>
356
			<?= gettext("If you need the new IP to be included in the request, put %IP% in its place.");?>
357
                  </td>
358
                </tr>
359
		<tr id="_resulttr">
360
                  <td width="22%" valign="top" class="vncell"><?=gettext("Result Match");?></td>
361
                  <td width="78%" class="vtable">
362
                    <textarea name="resultmatch" class="formpre" id="resultmatch" cols="65" rows="7"><?=htmlspecialchars($pconfig['resultmatch']);?></textarea>
363
                    <br/><?= gettext("This field is only used by Custom Dynamic DNS Entries.");?>
364
			<br/>
365
			<?= gettext("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.");?>
366
			<br/>
367
			<?= gettext("If you need the new IP to be included in the request, put %IP% in its place.");?>
368
			<br/>
369
			<?= gettext("If you need to include multiple possible values, sperate them with a |.  If your provider includes a |, escape it with \\|");?>
370
			<br/>
371
			<?= gettext("Tabs (\\t), newlines (\\n) and carriage returns (\\r) at the beginning or end of the returned results are removed before comparison.");?>
372
                  </td>
373
                </tr>
374
                <tr>
375

    
376
                <tr id="r53_ttl" style="display:none">
377
                  <td width="22%" valign="top" class="vncellreq"><?=gettext("TTL");?></td>
378
                  <td width="78%" class="vtable">
379
                    <input name="ttl" type="text" class="formfld user" id="ttl" size="20" value="<?=htmlspecialchars($pconfig['ttl']);?>">
380
                    <br/><?= gettext("Choose TTL for your dns record.");?>
381
                  </td>
382
                </tr>
383
                <tr>
384

    
385

    
386
                <tr>
387
                  <td width="22%" valign="top" class="vncell"><?=gettext("Description");?></td>
388
                  <td width="78%" class="vtable">
389
                    <input name="descr" type="text" class="formfld unknown" id="descr" size="60" value="<?=htmlspecialchars($pconfig['descr']);?>">
390
                  </td>
391
                </tr>
392
                <tr>
393
                  <td width="22%" valign="top">&nbsp;</td>
394
                  <td width="78%">
395
                    <input name="Submit" type="submit" class="formbtn" value="<?=gettext("Save");?>" onClick="enable_change(true)">
396
					<a href="services_dyndns.php"><input name="cancel" type="button" class="formbtn" value="<?=gettext("Cancel");?>"></a>
397
					<?php if (isset($id) && $a_dyndns[$id]): ?>
398
						<input name="id" type="hidden" value="<?=htmlspecialchars($id);?>">
399
						<input name="force" type="submit" class="formbtn" value="<?=gettext("Save & Force Update");?>" onClick="enable_change(true)">
400
					<?php endif; ?>
401
                  </td>
402
                </tr>
403
                <tr>
404
                  <td width="22%" valign="top">&nbsp;</td>
405
                  <td width="78%"><span class="vexpl"><span class="red"><strong><?=gettext("Note:");?><br>
406
                    </strong></span><?php printf(gettext("You must configure a DNS server in %sSystem:
407
                    General setup%s or allow the DNS server list to be overridden
408
                    by DHCP/PPP on WAN for dynamic DNS updates to work."),'<a href="system.php">','</a>');?></span></td>
409
                </tr>
410
              </table>
411
</form>
412
<?php include("fend.inc"); ?>
413

    
414
<script type="text/javascript">
415
_onTypeChange("<?php echo $pconfig['type']; ?>");
416
</script>
417

    
418
</body>
419
</html>
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