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<?php
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/* $Id$ */
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/*
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	interfaces_vlan_edit.php
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	part of m0n0wall (http://m0n0.ch/wall)
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	Copyright (C) 2003-2004 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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/*
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	pfSense_MODULE:	interfaces
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*/
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##|+PRIV
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##|*IDENT=page-interfaces-vlan-edit
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##|*NAME=Interfaces: VLAN: Edit page
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##|*DESCR=Allow access to the 'Interfaces: VLAN: Edit' page.
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##|*MATCH=interfaces_vlan_edit.php*
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##|-PRIV
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require("guiconfig.inc");
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if (!is_array($config['vlans']['vlan']))
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	$config['vlans']['vlan'] = array();
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$a_vlans = &$config['vlans']['vlan'];
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$portlist = get_interface_list();
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/* add LAGG interfaces */
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if (is_array($config['laggs']['lagg']) && count($config['laggs']['lagg'])) {
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        foreach ($config['laggs']['lagg'] as $lagg)
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                $portlist[$lagg['laggif']] = $lagg;
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}
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$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) && $a_vlans[$id]) {
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	$pconfig['if'] = $a_vlans[$id]['if'];
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	$pconfig['vlanif'] = $a_vlans[$id]['vlanif'];
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	$pconfig['tag'] = $a_vlans[$id]['tag'];
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	$pconfig['descr'] = $a_vlans[$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(" ", "if tag");
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	$reqdfieldsn = array(gettext("Parent interface"),gettext("VLAN tag"));
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	do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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	if ($_POST['tag'] && (!is_numericint($_POST['tag']) || ($_POST['tag'] < '1') || ($_POST['tag'] > '4094'))) {
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		$input_errors[] = gettext("The VLAN tag must be an integer between 1 and 4094.");
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	}
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	if (!does_interface_exist($_POST['if']))
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		$input_errors[] = gettext("Interface supplied as parent is invalid");
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	if (isset($id)) {
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		if ($_POST['tag'] && $_POST['tag'] != $a_vlans[$id]['tag']) {
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			if (!empty($a_vlans[$id]['vlanif']) && convert_real_interface_to_friendly_interface_name($a_vlans[$id]['vlanif']) != NULL)
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				$input_errors[] = gettext("Interface is assigned and you cannot change the VLAN tag while assigned.");
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		}
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	}
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	foreach ($a_vlans as $vlan) {
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		if (isset($id) && ($a_vlans[$id]) && ($a_vlans[$id] === $vlan))
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			continue;
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		if (($vlan['if'] == $_POST['if']) && ($vlan['tag'] == $_POST['tag'])) {
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			$input_errors[] = sprintf(gettext("A VLAN with the tag %s is already defined on this interface."),$vlan['tag']);
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			break;
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		}
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	}
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	if (is_array($config['qinqs']['qinqentry'])) {
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		foreach ($config['qinqs']['qinqentry'] as $qinq)
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			if ($qinq['tag'] == $_POST['tag'] && $qinq['if'] == $_POST['if'])
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				$input_errors[] = gettext("A QinQ VLAN exists with this tag please remove it to use this tag with.");
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	}
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	if (!$input_errors) {
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		if (isset($id) && $a_vlans[$id]) {
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			if (($a_vlans[$id]['if'] != $_POST['if']) || ($a_vlans[$id]['tag'] != $_POST['tag'])) {
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				if (!empty($a_vlans[$id]['vlanif'])) {
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					$confif = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
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					// Destroy previous vlan
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					pfSense_interface_destroy($a_vlans[$id]['vlanif']);
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				} else {
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					pfSense_interface_destroy("{$a_vlans[$id]['if']}_vlan{$a_vlans[$id]['tag']}");
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					$confif = convert_real_interface_to_friendly_interface_name("{$a_vlans[$id]['if']}_vlan{$a_vlans[$id]['tag']}");
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				}
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				if ($confif <> "")
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					$config['interfaces'][$confif]['if'] = "{$_POST['if']}_vlan{$_POST['tag']}";
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			}
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		}
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		$vlan = array();
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		$vlan['if'] = $_POST['if'];
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		$vlan['tag'] = $_POST['tag'];
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		$vlan['descr'] = $_POST['descr'];
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		$vlan['vlanif'] = "{$_POST['if']}_vlan{$_POST['tag']}";
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		$vlan['vlanif'] = interface_vlan_configure($vlan);
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                if ($vlan['vlanif'] == "" || !stristr($vlan['vlanif'], "vlan"))
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                        $input_errors[] = gettext("Error occurred creating interface, please retry.");
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                else {
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                        if (isset($id) && $a_vlans[$id])
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                                $a_vlans[$id] = $vlan;
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                        else
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                                $a_vlans[] = $vlan;
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                        write_config();
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			if ($confif <> "")
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				interface_configure($confif);
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			header("Location: interfaces_vlan.php");
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			exit;
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		}
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	}
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}
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$pgtitle = array(gettext("Interfaces"),gettext("VLAN"),gettext("Edit"));
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$shortcut_section = "interfaces";
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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            <form action="interfaces_vlan_edit.php" method="post" name="iform" id="iform">
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              <table width="100%" border="0" cellpadding="6" cellspacing="0" summary="interfaces vlan edit">
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				<tr>
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					<td colspan="2" valign="top" class="listtopic"><?=gettext("VLAN configuration");?></td>
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				</tr>
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				<tr>
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                  <td width="22%" valign="top" class="vncellreq"><?=gettext("Parent interface");?></td>
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                  <td width="78%" class="vtable">
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                    <select name="if" class="formselect">
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                      <?php
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					  foreach ($portlist as $ifn => $ifinfo)
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						if (is_jumbo_capable($ifn)) {
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							echo "<option value=\"{$ifn}\"";
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							if ($ifn == $pconfig['if'])
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								echo " selected=\"selected\"";
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							echo ">";
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                      				        echo htmlspecialchars($ifn . " (" . $ifinfo['mac'] . ")");
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                      					echo "</option>";
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						}
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		      ?>
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                    </select>
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			<br/>
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			<span class="vexpl"><?=gettext("Only VLAN capable interfaces will be shown.");?></span></td>
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                </tr>
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				<tr>
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                  <td valign="top" class="vncellreq"><?=gettext("VLAN tag ");?></td>
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                  <td class="vtable">
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                    <input name="tag" type="text" class="formfld unknown" id="tag" size="6" value="<?=htmlspecialchars($pconfig['tag']);?>" />
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                    <br/>
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                    <span class="vexpl"><?=gettext("802.1Q VLAN tag (between 1 and 4094) ");?></span></td>
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			    </tr>
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				<tr>
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                  <td width="22%" valign="top" class="vncell"><?=gettext("Description");?></td>
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                  <td width="78%" class="vtable">
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                    <input name="descr" type="text" class="formfld unknown" id="descr" size="40" value="<?=htmlspecialchars($pconfig['descr']);?>" />
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                    <br/> <span class="vexpl"><?=gettext("You may enter a description here ".
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                    "for your reference (not parsed).");?></span></td>
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                </tr>
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                <tr>
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                  <td width="22%" valign="top">&nbsp;</td>
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                  <td width="78%">
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		    <input type="hidden" name="vlanif" value="<?=htmlspecialchars($pconfig['vlanif']); ?>" />
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                    <input name="Submit" type="submit" class="formbtn" value="<?=gettext("Save");?>" /> <input type="button" value="<?=gettext("Cancel");?>" onclick="history.back()" />
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                    <?php if (isset($id) && $a_vlans[$id]): ?>
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                    <input name="id" type="hidden" value="<?=htmlspecialchars($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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