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<?php 
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/* $Id$ */
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/*
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	services_dnsmasq_edit.php
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	part of m0n0wall (http://m0n0.ch/wall)
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	Copyright (C) 2003-2004 Bob Zoller <bob@kludgebox.com> and Manuel Kasper <mk@neon1.net>.
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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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##|+PRIV
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##|*IDENT=page-services-dnsforwarder-edithost
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##|*NAME=Services: DNS Forwarder: Edit host page
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##|*DESCR=Allow access to the 'Services: DNS Forwarder: Edit host' page.
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##|*MATCH=services_dnsmasq_edit.php*
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##|-PRIV
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require("guiconfig.inc");
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if (!is_array($config['dnsmasq']['hosts'])) 
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	$config['dnsmasq']['hosts'] = array();
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hosts_sort();
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$a_hosts = &$config['dnsmasq']['hosts'];
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$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) && $a_hosts[$id]) {
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	$pconfig['host'] = $a_hosts[$id]['host'];
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	$pconfig['domain'] = $a_hosts[$id]['domain'];
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	$pconfig['ip'] = $a_hosts[$id]['ip'];
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	$pconfig['descr'] = $a_hosts[$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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	/* input validation */
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	$reqdfields = explode(" ", "domain ip");
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	$reqdfieldsn = explode(",", "Domain,IP address");
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	do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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	if (($_POST['host'] && !is_hostname($_POST['host']))) 
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		$input_errors[] = "A valid host must be specified.";
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	if (($_POST['domain'] && !is_domain($_POST['domain']))) 
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		$input_errors[] = "A valid domain must be specified.";
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	if (($_POST['ip'] && !is_ipaddr($_POST['ip']))) 
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		$input_errors[] = "A valid IP address must be specified.";
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	/* check for overlaps */
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	foreach ($a_hosts as $hostent) {
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		if (isset($id) && ($a_hosts[$id]) && ($a_hosts[$id] === $hostent))
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			continue;
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		if (($hostent['host'] == $_POST['host']) && ($hostent['domain'] == $_POST['domain'])) {
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			$input_errors[] = "This host/domain already exists.";
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			break;
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		}
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	}
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	if (!$input_errors) {
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		$hostent = array();
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		$hostent['host'] = $_POST['host'];
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		$hostent['domain'] = $_POST['domain'];
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		$hostent['ip'] = $_POST['ip'];
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		$hostent['descr'] = $_POST['descr'];
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		if (isset($id) && $a_hosts[$id])
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			$a_hosts[$id] = $hostent;
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		else
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			$a_hosts[] = $hostent;
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		touch($d_hostsdirty_path);
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		write_config();
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		header("Location: services_dnsmasq.php");
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		exit;
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	}
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}
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$pgtitle = array("Services","DNS forwarder","Edit host");
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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        <form action="services_dnsmasq_edit.php" method="post" name="iform" id="iform">
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        <table width="100%" border="0" cellpadding="6" cellspacing="0">
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				<tr>
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					<td colspan="2" valign="top" class="listtopic">Edit DNS Forwareder entry</td>
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				</tr>	
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                <tr>
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                  <td width="22%" valign="top" class="vncell">Host</td>
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                  <td width="78%" class="vtable"> 
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                    <input name="host" type="text" class="formfld" id="host" size="40" value="<?=htmlspecialchars($pconfig['host']);?>">
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                    <br> <span class="vexpl">Name of the host, without
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                    domain part<br>
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                    e.g. <em>myhost</em></span></td>
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                </tr>
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				<tr>
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                  <td width="22%" valign="top" class="vncellreq">Domain</td>
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                  <td width="78%" class="vtable"> 
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                    <input name="domain" type="text" class="formfld" id="domain" size="40" value="<?=htmlspecialchars($pconfig['domain']);?>">
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                    <br> <span class="vexpl">Domain of the host<br>
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                    e.g. <em>blah.com</em></span></td>
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                </tr>
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				<tr>
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                  <td width="22%" valign="top" class="vncellreq">IP address</td>
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                  <td width="78%" class="vtable"> 
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                    <input name="ip" type="text" class="formfld" id="ip" size="40" value="<?=htmlspecialchars($pconfig['ip']);?>">
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                    <br> <span class="vexpl">IP address of the host<br>
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                    e.g. <em>192.168.100.100</em></span></td>
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                </tr>
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				<tr>
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                  <td width="22%" valign="top" class="vncell">Description</td>
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                  <td width="78%" class="vtable"> 
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                    <input name="descr" type="text" class="formfld" id="descr" size="40" value="<?=htmlspecialchars($pconfig['descr']);?>">
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                    <br> <span class="vexpl">You may enter a description here
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                    for your reference (not parsed).</span></td>
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                </tr>
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                <tr>
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                  <td width="22%" valign="top">&nbsp;</td>
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                  <td width="78%"> 
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                    <input name="Submit" type="submit" class="formbtn" value="Save"> <input class="formbtn" type="button" value="Cancel" onclick="history.back()">
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                    <?php if (isset($id) && $a_hosts[$id]): ?>
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                    <input name="id" type="hidden" value="<?=$id;?>">
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                    <?php endif; ?>
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                  </td>
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                </tr>
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        </table>
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</form>
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<?php include("fend.inc"); ?>
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</body>
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</html>
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