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+<?php
+/* $Id$ */
+/*
+ interfaces_gre.php
+
+ Copyright (C) 2013-2015 Electric Sheep Fencing, LP
+ Copyright (C) 2008 Ermal Lu├ži
+ 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: /sbin/ifconfig
+ pfSense_MODULE: interfaces
+*/
+
+##|+PRIV
+##|*IDENT=page-interfaces-gre
+##|*NAME=Interfaces: GRE page
+##|*DESCR=Allow access to the 'Interfaces: GRE' page.
+##|*MATCH=interfaces_gre.php*
+##|-PRIV
+
+require("guiconfig.inc");
+require_once("functions.inc");
+
+if (!is_array($config['gres']['gre'])) {
+ $config['gres']['gre'] = array();
+}
+
+$a_gres = &$config['gres']['gre'] ;
+
+function gre_inuse($num) {
+ global $config, $a_gres;
+
+ $iflist = get_configured_interface_list(false, true);
+ foreach ($iflist as $if) {
+ if ($config['interfaces'][$if]['if'] == $a_gres[$num]['greif']) {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+if ($_GET['act'] == "del") {
+ if (!isset($_GET['id'])) {
+ $input_errors[] = gettext("Wrong parameters supplied");
+ } else if (empty($a_gres[$_GET['id']])) {
+ $input_errors[] = gettext("Wrong index supplied");
+ /* check if still in use */
+ } else if (gre_inuse($_GET['id'])) {
+ $input_errors[] = gettext("This GRE tunnel cannot be deleted because it is still being used as an interface.");
+ } else {
+ mwexec("/sbin/ifconfig " . $a_gres[$_GET['id']]['greif'] . " destroy");
+ unset($a_gres[$_GET['id']]);
+
+ write_config();
+
+ header("Location: interfaces_gre.php");
+ exit;
+ }
+}
+
+$pgtitle = array(gettext("Interfaces"), gettext("GRE"));
+$shortcut_section = "interfaces";
+include("head.inc");
+
+?>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<?php include("fbegin.inc"); ?>
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+<table width="100%" border="0" cellpadding="0" cellspacing="0" summary="interfaces gre">
+ <tr><td>
+<?php
+ $tab_array = array();
+ $tab_array[0] = array(gettext("Interface assignments"), false, "interfaces_assign.php");
+ $tab_array[1] = array(gettext("Interface Groups"), false, "interfaces_groups.php");
+ $tab_array[2] = array(gettext("Wireless"), false, "interfaces_wireless.php");
+ $tab_array[3] = array(gettext("VLANs"), false, "interfaces_vlan.php");
+ $tab_array[4] = array(gettext("QinQs"), false, "interfaces_qinq.php");
+ $tab_array[5] = array(gettext("PPPs"), false, "interfaces_ppps.php");
+ $tab_array[6] = array(gettext("GRE"), true, "interfaces_gre.php");
+ $tab_array[7] = array(gettext("GIF"), false, "interfaces_gif.php");
+ $tab_array[8] = array(gettext("Bridges"), false, "interfaces_bridge.php");
+ $tab_array[9] = array(gettext("LAGG"), false, "interfaces_lagg.php");
+ display_top_tabs($tab_array);
+?>
+ </td></tr>
+ <tr>
+ <td>
+ <div id="mainarea">
+ <table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0" summary="main area">
+ <tr>
+ <td width="20%" class="listhdrr"><?=gettext("Interface");?></td>
+ <td width="20%" class="listhdrr"><?=gettext("Tunnel to...");?></td>
+ <td width="50%" class="listhdr"><?=gettext("Description");?></td>
+ <td width="10%" class="list"></td>
+ </tr>
+ <?php
+ $i = 0;
+ foreach ($a_gres as $gre):
+ ?>
+ <tr ondblclick="document.location='interfaces_gre_edit.php?id=<?=$i;?>'">
+ <td class="listlr">
+ <?=htmlspecialchars(convert_friendly_interface_to_friendly_descr($gre['if']));?>
+ </td>
+ <td class="listr">
+ <?=htmlspecialchars($gre['remote-addr']);?>
+ </td>
+ <td class="listbg">
+ <?=htmlspecialchars($gre['descr']);?>&nbsp;
+ </td>
+ <td valign="middle" class="list nowrap"> <a href="interfaces_gre_edit.php?id=<?=$i;?>"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0" alt="edit" /></a>
+ &nbsp;<a href="interfaces_gre.php?act=del&amp;id=<?=$i;?>" onclick="return confirm('<?=gettext("Do you really want to delete this GRE tunnel?");?>')"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" border="0" alt="delete" /></a>
+ </td>
+ </tr>
+ <?php
+ $i++;
+ endforeach;
+ ?>
+ <tr>
+ <td class="list" colspan="3">&nbsp;</td>
+ <td class="list"> <a href="interfaces_gre_edit.php"><img src="./themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" alt="add" /></a></td>
+ </tr>
+ <tr>
+ <td class="tabcont" colspan="3">
+ <p><span class="vexpl"><span class="red"><strong><?=gettext("Note:");?><br /></strong></span><?=gettext("Here you can configure Generic Routing Encapsulation (GRE - RFC 2784) tunnels.");?></span></p>
+ </td>
+ </tr>
+ </table>
+ </div>
+ </td>
+ </tr>
+</table>
+<?php include("fend.inc"); ?>
+</body>
+</html>
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