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<?php
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/* $Id$ */
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/*
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interfaces_gre_edit.php
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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_MODULE: interfaces
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*/
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##|+PRIV
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##|*IDENT=page-interfaces-gre-edit
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##|*NAME=Interfaces: GRE: Edit page
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##|*DESCR=Allow access to the 'Interfaces: GRE: Edit' page.
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##|*MATCH=interfaces_gre_edit.php*
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##|-PRIV
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require("guiconfig.inc");
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require_once("functions.inc");
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$referer = (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '/interfaces_gre.php');
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if (!is_array($config['gres']['gre']))
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$config['gres']['gre'] = array();
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$a_gres = &$config['gres']['gre'];
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if (is_numericint($_GET['id']))
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$id = $_GET['id'];
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if (isset($_POST['id']) && is_numericint($_POST['id']))
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$id = $_POST['id'];
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if (isset($id) && $a_gres[$id]) {
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$pconfig['if'] = $a_gres[$id]['if'];
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$pconfig['greif'] = $a_gres[$id]['greif'];
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$pconfig['remote-addr'] = $a_gres[$id]['remote-addr'];
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$pconfig['tunnel-remote-net'] = $a_gres[$id]['tunnel-remote-net'];
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$pconfig['tunnel-local-addr'] = $a_gres[$id]['tunnel-local-addr'];
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$pconfig['tunnel-remote-addr'] = $a_gres[$id]['tunnel-remote-addr'];
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$pconfig['link1'] = isset($a_gres[$id]['link1']);
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$pconfig['link2'] = isset($a_gres[$id]['link2']);
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$pconfig['link0'] = isset($a_gres[$id]['link0']);
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$pconfig['descr'] = $a_gres[$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 tunnel-remote-addr tunnel-remote-net tunnel-local-addr");
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$reqdfieldsn = array(gettext("Parent interface"),gettext("Local address"),gettext("Remote tunnel address"),gettext("Remote tunnel network"), gettext("Local tunnel address"));
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
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if ((!is_ipaddr($_POST['tunnel-local-addr'])) || (!is_ipaddr($_POST['tunnel-remote-addr'])) ||
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(!is_ipaddr($_POST['remote-addr']))) {
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$input_errors[] = gettext("The tunnel local and tunnel remote fields must have valid IP addresses.");
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}
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foreach ($a_gres as $gre) {
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if (isset($id) && ($a_gres[$id]) && ($a_gres[$id] === $gre))
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continue;
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if (($gre['if'] == $_POST['if']) && ($gre['tunnel-remote-addr'] == $_POST['tunnel-remote-addr'])) {
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$input_errors[] = sprintf(gettext("A GRE tunnel with the network %s is already defined."),$gre['remote-network']);
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break;
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}
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}
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if (!$input_errors) {
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$gre = array();
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$gre['if'] = $_POST['if'];
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$gre['tunnel-local-addr'] = $_POST['tunnel-local-addr'];
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$gre['tunnel-remote-addr'] = $_POST['tunnel-remote-addr'];
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$gre['tunnel-remote-net'] = $_POST['tunnel-remote-net'];
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$gre['remote-addr'] = $_POST['remote-addr'];
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$gre['descr'] = $_POST['descr'];
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$gre['link1'] = isset($_POST['link1']);
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$gre['link2'] = isset($_POST['link2']);
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$gre['link0'] = isset($_POST['link0']);
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$gre['greif'] = $_POST['greif'];
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$gre['greif'] = interface_gre_configure($gre);
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if ($gre['greif'] == "" || !stristr($gre['greif'], "gre"))
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$input_errors[] = gettext("Error occurred creating interface, please retry.");
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else {
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if (isset($id) && $a_gres[$id])
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$a_gres[$id] = $gre;
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else
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$a_gres[] = $gre;
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write_config();
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$confif = convert_real_interface_to_friendly_interface_name($gre['greif']);
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if ($confif <> "")
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interface_configure($confif);
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header("Location: interfaces_gre.php");
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exit;
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}
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}
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}
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$pgtitle = array(gettext("Interfaces"),gettext("GRE"),gettext("Edit"));
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$shortcut_section = "interfaces";
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include("head.inc");
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?>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<script type="text/javascript" src="/javascript/jquery.ipv4v6ify.js"></script>
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<?php include("fbegin.inc"); ?>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<form action="interfaces_gre_edit.php" method="post" name="iform" id="iform">
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<table width="100%" border="0" cellpadding="6" cellspacing="0" summary="interfaces gre edit">
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<tr>
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<td colspan="2" valign="top" class="listtopic"><?=gettext("GRE configuration");?></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq"><?=gettext("Parent interface");?></td>
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<td width="78%" class="vtable">
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<select name="if" class="formselect">
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<?php
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$portlist = get_configured_interface_with_descr();
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$carplist = get_configured_carp_interface_list();
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foreach ($carplist as $cif => $carpip)
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$portlist[$cif] = $carpip." (".get_vip_descr($carpip).")";
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$aliaslist = get_configured_ip_aliases_list();
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foreach ($aliaslist as $aliasip => $aliasif)
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$portlist[$aliasif.'|'.$aliasip] = $aliasip." (".get_vip_descr($aliasip).")";
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foreach ($portlist as $ifn => $ifinfo) {
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echo "<option value=\"{$ifn}\"";
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if ($ifn == $pconfig['if'])
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echo " selected=\"selected\"";
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echo ">" . htmlspecialchars($ifinfo) . "</option>\n";
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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("The interface here serves as the local address to be used for the GRE tunnel.");?></span></td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq"><?=gettext("Remote tunnel endpoint IP address");?></td>
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<td class="vtable">
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<input name="remote-addr" type="text" class="formfld unknown" id="remote-addr" size="16" value="<?=htmlspecialchars($pconfig['remote-addr']);?>" />
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<br />
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<span class="vexpl"><?=gettext("Peer address where encapsulated GRE packets will be sent ");?></span></td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq"><?=gettext("Local tunnel IP address ");?></td>
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<td class="vtable">
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<input name="tunnel-local-addr" type="text" class="formfld unknown" id="tunnel-local-addr" size="16" value="<?=htmlspecialchars($pconfig['tunnel-local-addr']);?>" />
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<br />
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<span class="vexpl"><?=gettext("Local IP address assigned inside this tunnel");?></span></td>
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</tr>
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<tr>
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<td valign="top" class="vncellreq"><?=gettext("Remote tunnel IP address ");?></td>
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<td class="vtable">
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<input name="tunnel-remote-addr" type="text" class="formfld unknown ipv4v6" id="tunnel-remote-addr" size="16" value="<?=htmlspecialchars($pconfig['tunnel-remote-addr']);?>" />
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<select name="tunnel-remote-net" class="formselect ipv4v6" id="tunnel-remote-net">
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<?php
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for ($i = 128; $i > 0; $i--) {
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echo "<option value=\"{$i}\"";
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if ($i == $pconfig['tunnel-remote-net'])
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echo " selected=\"selected\"";
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echo ">" . $i . "</option>";
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}
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?>
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</select>
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<br />
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<span class="vexpl"><?=gettext("IP address inside this tunnel on the remote end. The subnet part is used for the determining the network that is tunneled.");?></span></td>
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</tr>
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<tr>
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<td valign="top" class="vncell"><?=gettext("Mobile encapsulation");?></td>
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<td class="vtable">
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<input name="link0" type="checkbox" id="link0" <?if ($pconfig['link0']) echo "checked=\"checked\"";?> />
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<br />
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<span class="vexpl"><?=gettext("Check this box to use mobile encapsulation (IP protocol 55, RFC 2004). When unchecked, uses GRE encapsulation (IP protocol 47, RFCs 1701, 1702).");?></span></td>
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</tr>
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<tr>
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<td valign="top" class="vncell"><?=gettext("Route search type");?></td>
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<td class="vtable">
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<input name="link1" type="checkbox" id="link1" <?if ($pconfig['link1']) echo "checked=\"checked\"";?> />
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<br />
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<span class="vexpl">
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<?=gettext("For correct operation, the GRE device needs a route to the destination".
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" that is less specific than the one over the tunnel. (Basically, there".
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" needs to be a route to the decapsulating host that does not run over the".
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" tunnel, as this would be a loop.");?>
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</span></td>
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</tr>
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<tr>
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<td valign="top" class="vncell"><?=gettext("WCCP version");?></td>
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<td class="vtable">
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<input name="link2" type="checkbox" id="link2" <?if ($pconfig['link2']) echo "checked=\"checked\"";?> />
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<br />
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<span class="vexpl"><?=gettext("Check this box for WCCP encapsulation version 2, or leave unchecked for version 1.");?></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($pconfig['descr']);?>" />
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<br /> <span class="vexpl"><?=gettext("You may enter a description here".
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" for your reference (not parsed).");?></span></td>
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</tr>
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<tr>
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<td width="22%" valign="top"> </td>
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<td width="78%">
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<input type="hidden" name="greif" value="<?=htmlspecialchars($pconfig['greif']); ?>" />
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<input name="Submit" type="submit" class="formbtn" value="<?=gettext("Save");?>" />
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<input type="button" class="formbtn" value="<?=gettext("Cancel");?>" onclick="window.location.href='<?=$referer;?>'" />
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<?php if (isset($id) && $a_gres[$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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