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diff --git a/src/usr/local/www/interfaces_gif_edit.php b/src/usr/local/www/interfaces_gif_edit.php
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+<?php
+/* $Id$ */
+/*
+ interfaces_gif_edit.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_MODULE: interfaces
+*/
+
+##|+PRIV
+##|*IDENT=page-interfaces-gif-edit
+##|*NAME=Interfaces: GIF: Edit page
+##|*DESCR=Allow access to the 'Interfaces: GIF: Edit' page.
+##|*MATCH=interfaces_gif_edit.php*
+##|-PRIV
+
+require("guiconfig.inc");
+
+if (isset($_POST['referer'])) {
+ $referer = $_POST['referer'];
+} else {
+ $referer = (isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '/interfaces_gif.php');
+}
+
+if (!is_array($config['gifs']['gif'])) {
+ $config['gifs']['gif'] = array();
+}
+
+$a_gifs = &$config['gifs']['gif'];
+
+if (is_numericint($_GET['id'])) {
+ $id = $_GET['id'];
+}
+if (isset($_POST['id']) && is_numericint($_POST['id'])) {
+ $id = $_POST['id'];
+}
+
+if (isset($id) && $a_gifs[$id]) {
+ $pconfig['if'] = $a_gifs[$id]['if'];
+ if (!empty($a_gifs[$id]['ipaddr'])) {
+ $pconfig['if'] = $pconfig['if'] . '|' . $a_gifs[$id]['ipaddr'];
+ }
+ $pconfig['gifif'] = $a_gifs[$id]['gifif'];
+ $pconfig['remote-addr'] = $a_gifs[$id]['remote-addr'];
+ $pconfig['tunnel-remote-net'] = $a_gifs[$id]['tunnel-remote-net'];
+ $pconfig['tunnel-local-addr'] = $a_gifs[$id]['tunnel-local-addr'];
+ $pconfig['tunnel-remote-addr'] = $a_gifs[$id]['tunnel-remote-addr'];
+ $pconfig['link1'] = isset($a_gifs[$id]['link1']);
+ $pconfig['link0'] = isset($a_gifs[$id]['link0']);
+ $pconfig['descr'] = $a_gifs[$id]['descr'];
+}
+
+if ($_POST) {
+
+ unset($input_errors);
+ $pconfig = $_POST;
+
+ /* input validation */
+ $reqdfields = explode(" ", "if remote-addr tunnel-local-addr tunnel-remote-addr tunnel-remote-net");
+ $reqdfieldsn = array(gettext("Parent interface"), gettext("gif remote address"), gettext("gif tunnel local address"), gettext("gif tunnel remote address"), gettext("gif tunnel remote netmask"));
+
+ do_input_validation($_POST, $reqdfields, $reqdfieldsn, $input_errors);
+
+ if ((!is_ipaddr($_POST['tunnel-local-addr'])) ||
+ (!is_ipaddr($_POST['tunnel-remote-addr'])) ||
+ (!is_ipaddr($_POST['remote-addr']))) {
+ $input_errors[] = gettext("The tunnel local and tunnel remote fields must have valid IP addresses.");
+ }
+
+ $alias = strstr($_POST['if'], '|');
+ if ((is_ipaddrv4($alias) && !is_ipaddrv4($_POST['remote-addr'])) ||
+ (is_ipaddrv6($alias) && !is_ipaddrv6($_POST['remote-addr']))) {
+ $input_errors[] = gettext("The alias IP address family has to match the family of the remote peer address.");
+ }
+
+ foreach ($a_gifs as $gif) {
+ if (isset($id) && ($a_gifs[$id]) && ($a_gifs[$id] === $gif)) {
+ continue;
+ }
+
+ /* FIXME: needs to perform proper subnet checks in the future */
+ if (($gif['if'] == $interface) && ($gif['tunnel-remote-addr'] == $_POST['tunnel-remote-addr'])) {
+ $input_errors[] = sprintf(gettext("A gif with the network %s is already defined."), $gif['tunnel-remote-addr']);
+ break;
+ }
+ }
+
+ if (!$input_errors) {
+ $gif = array();
+ list($gif['if'], $gif['ipaddr']) = explode("|", $_POST['if']);
+ $gif['tunnel-local-addr'] = $_POST['tunnel-local-addr'];
+ $gif['tunnel-remote-addr'] = $_POST['tunnel-remote-addr'];
+ $gif['tunnel-remote-net'] = $_POST['tunnel-remote-net'];
+ $gif['remote-addr'] = $_POST['remote-addr'];
+ $gif['descr'] = $_POST['descr'];
+ $gif['link1'] = isset($_POST['link1']);
+ $gif['link0'] = isset($_POST['link0']);
+ $gif['gifif'] = $_POST['gifif'];
+
+ $gif['gifif'] = interface_gif_configure($gif);
+ if ($gif['gifif'] == "" || !stristr($gif['gifif'], "gif")) {
+ $input_errors[] = gettext("Error occurred creating interface, please retry.");
+ } else {
+ if (isset($id) && $a_gifs[$id]) {
+ $a_gifs[$id] = $gif;
+ } else {
+ $a_gifs[] = $gif;
+ }
+
+ write_config();
+
+ $confif = convert_real_interface_to_friendly_interface_name($gif['gifif']);
+ if ($confif <> "") {
+ interface_configure($confif);
+ }
+
+ header("Location: interfaces_gif.php");
+ exit;
+ }
+ }
+}
+
+$pgtitle = array(gettext("Interfaces"), gettext("GIF"), gettext("Edit"));
+$shortcut_section = "interfaces";
+include("head.inc");
+
+?>
+
+<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
+<script type="text/javascript" src="/javascript/jquery.ipv4v6ify.js"></script>
+<?php include("fbegin.inc"); ?>
+<?php if ($input_errors) print_input_errors($input_errors); ?>
+<form action="interfaces_gif_edit.php" method="post" name="iform" id="iform">
+ <table width="100%" border="0" cellpadding="6" cellspacing="0" summary="interfaces gif edit">
+ <tr>
+ <td colspan="2" valign="top" class="listtopic"><?=gettext("GIF configuration"); ?></td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncellreq"><?=gettext("Parent interface"); ?></td>
+ <td width="78%" class="vtable">
+ <select name="if" class="formselect">
+ <?php
+ $portlist = get_possible_listen_ips();
+ foreach ($portlist as $ifn => $ifinfo) {
+ echo "<option value=\"{$ifn}\"";
+ if ($ifn == $pconfig['if']) {
+ echo " selected=\"selected\"";
+ }
+ echo ">" . htmlspecialchars($ifinfo) . "</option>\n";
+ }
+ ?>
+ </select>
+ <br />
+ <span class="vexpl">
+ <?=gettext("The interface here serves as the local address to be used for the gif tunnel."); ?>
+ </span>
+ </td>
+ </tr>
+ <tr>
+ <td valign="top" class="vncellreq"><?=gettext("gif remote address"); ?></td>
+ <td class="vtable">
+ <input name="remote-addr" type="text" class="formfld unknown" id="remote-addr" size="24" value="<?=htmlspecialchars($pconfig['remote-addr']);?>" />
+ <br />
+ <span class="vexpl">
+ <?=gettext("Peer address where encapsulated gif packets will be sent. "); ?>
+ </span>
+ </td>
+ </tr>
+ <tr>
+ <td valign="top" class="vncellreq"><?=gettext("gif tunnel local address"); ?></td>
+ <td class="vtable">
+ <input name="tunnel-local-addr" type="text" class="formfld unknown" id="tunnel-local-addr" size="24" value="<?=htmlspecialchars($pconfig['tunnel-local-addr']);?>" />
+ <br />
+ <span class="vexpl">
+ <?=gettext("Local gif tunnel endpoint"); ?>
+ </span>
+ </td>
+ </tr>
+ <tr>
+ <td valign="top" class="vncellreq"><?=gettext("gif tunnel remote address "); ?></td>
+ <td class="vtable">
+ <input name="tunnel-remote-addr" type="text" class="formfld unknown ipv4v6" id="tunnel-remote-addr" size="24" value="<?=htmlspecialchars($pconfig['tunnel-remote-addr']);?>" />
+ <select name="tunnel-remote-net" class="formselect ipv4v6" id="tunnel-remote-net">
+ <?php
+ for ($i = 128; $i > 0; $i--) {
+ echo "<option value=\"{$i}\"";
+ if ($i == $pconfig['tunnel-remote-net']) {
+ echo " selected=\"selected\"";
+ }
+ echo ">" . $i . "</option>";
+ }
+ ?>
+ </select>
+ <br />
+ <span class="vexpl">
+ <?=gettext("Remote gif address endpoint. The subnet part is used for determining the network that is tunnelled."); ?>
+ </span>
+ </td>
+ </tr>
+ <tr>
+ <td valign="top" class="vncell"><?=gettext("Route caching "); ?></td>
+ <td class="vtable">
+ <input name="link0" type="checkbox" id="link0" <?if ($pconfig['link0']) echo "checked=\"checked\"";?> />
+ <br />
+ <span class="vexpl">
+ <?=gettext("Specify if route caching can be enabled. Be careful with these settings on dynamic networks. "); ?>
+ </span>
+ </td>
+ </tr>
+ <tr>
+ <td valign="top" class="vncell"><?=gettext("ECN friendly behavior"); ?></td>
+ <td class="vtable">
+ <input name="link1" type="checkbox" id="link1" <?if ($pconfig['link1']) echo "checked=\"checked\"";?> />
+ <br />
+ <span class="vexpl">
+ <?=gettext("Note that the ECN friendly behavior violates RFC2893. This should be " .
+ "used in mutual agreement with the peer."); ?>
+ </span>
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top" class="vncell"><?=gettext("Description"); ?></td>
+ <td width="78%" class="vtable">
+ <input name="descr" type="text" class="formfld unknown" id="descr" size="40" value="<?=htmlspecialchars($pconfig['descr']);?>" />
+ <br />
+ <span class="vexpl">
+ <?=gettext("You may enter a description here for your reference (not parsed)."); ?>
+ </span>
+ </td>
+ </tr>
+ <tr>
+ <td width="22%" valign="top">&nbsp;</td>
+ <td width="78%">
+ <input type="hidden" name="gifif" value="<?=htmlspecialchars($pconfig['gifif']); ?>" />
+ <input name="Submit" type="submit" class="formbtn" value="<?=gettext("Save"); ?>" />
+ <input type="button" class="formbtn" value="<?=gettext("Cancel");?>" onclick="window.location.href='<?=$referer;?>'" />
+ <input name="referer" type="hidden" value="<?=$referer;?>" />
+ <?php if (isset($id) && $a_gifs[$id]): ?>
+ <input name="id" type="hidden" value="<?=htmlspecialchars($id);?>" />
+ <?php endif; ?>
+ </td>
+ </tr>
+ </table>
+</form>
+<?php include("fend.inc"); ?>
+</body>
+</html>
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