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<?php
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/* $Id$ */
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/*
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system_gateways_edit.php
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part of pfSense (http://pfsense.com)
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Copyright (C) 2007 Seth Mos <seth.mos@xs4all.nl>.
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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: routing
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*/
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##|+PRIV
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##|*IDENT=page-system-gateways-editgateway
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##|*NAME=System: Gateways: Edit Gateway page
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##|*DESCR=Allow access to the 'System: Gateways: Edit Gateway' page.
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##|*MATCH=system_gateways_edit.php*
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##|-PRIV
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require("guiconfig.inc");
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require("pkg-utils.inc");
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$a_gateways = return_gateways_array();
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$a_gateways_arr = array();
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foreach($a_gateways as $gw) {
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$a_gateways_arr[] = $gw;
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}
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$a_gateways = $a_gateways_arr;
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if (!is_array($config['gateways']['gateway_item']))
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$config['gateways']['gateway_item'] = array();
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$a_gateway_item = &$config['gateways']['gateway_item'];
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$id = $_GET['id'];
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if (isset($_POST['id']))
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$id = $_POST['id'];
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if (isset($_GET['dup'])) {
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$id = $_GET['dup'];
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}
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if (isset($id) && $a_gateways[$id]) {
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$pconfig['name'] = $a_gateways[$id]['name'];
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$pconfig['interface'] = $a_gateways[$id]['interface'];
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$pconfig['friendlyiface'] = $a_gateways[$id]['friendlyiface'];
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$pconfig['gateway'] = $a_gateways[$id]['gateway'];
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$pconfig['defaultgw'] = isset($a_gateways[$id]['defaultgw']);
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if (isset($a_gateways[$id]['dynamic']))
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$pconfig['dynamic'] = true;
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if($a_gateways[$id]['monitor'] <> "") {
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$pconfig['monitor'] = $a_gateways[$id]['monitor'];
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} else {
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$pconfig['monitor'] == "";
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}
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$pconfig['descr'] = $a_gateways[$id]['descr'];
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$pconfig['attribute'] = $a_gateways[$id]['attribute'];
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}
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if (isset($_GET['dup'])) {
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unset($id);
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unset($pconfig['attribute']);
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}
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if ($_POST) {
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unset($input_errors);
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/* input validation */
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$reqdfields = explode(" ", "name");
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$reqdfieldsn = explode(",", "Name");
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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if (! isset($_POST['name'])) {
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$input_errors[] = "A valid gateway name must be specified.";
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}
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if (! is_validaliasname($_POST['name'])) {
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$input_errors[] = "The gateway name must not contain invalid characters.";
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}
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/* skip system gateways which have been automatically added */
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if (($_POST['gateway'] && (!is_ipaddr($_POST['gateway'])) && ($_POST['attribute'] != "system")) && ($_POST['gateway'] != "dynamic")) {
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$input_errors[] = "A valid gateway IP address must be specified.";
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}
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if ($_POST['gateway'] && (is_ipaddr($_POST['gateway'])) && ($pconfig['attribute'] != "system") && !$_REQUEST['isAjax']) {
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$parent_ip = get_interface_ip($_POST['interface']);
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if (is_ipaddr($parent_ip)) {
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$parent_sn = get_interface_subnet($_POST['interface']);
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if(!ip_in_subnet($_POST['gateway'], gen_subnet($parent_ip, $parent_sn) . "/" . $parent_sn)) {
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$input_errors[] = "The gateway address {$_POST['gateway']} does not lie within the chosen interface's subnet.";
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}
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}
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}
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if (($_POST['monitor'] <> "") && !is_ipaddr($_POST['monitor']) && $_POST['monitor'] != "dynamic") {
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$input_errors[] = "A valid monitor IP address must be specified.";
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}
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if (isset($_POST['name'])) {
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/* check for overlaps */
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foreach ($a_gateways as $gateway) {
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if (isset($id) && ($a_gateways[$id]) && ($a_gateways[$id] === $gateway)) {
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continue;
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}
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if($_POST['name'] <> "") {
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if (($gateway['name'] <> "") && ($_POST['name'] == $gateway['name']) && ($gateway['attribute'] != "system")) {
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$input_errors[] = "The gateway name \"{$_POST['name']}\" already exists.";
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break;
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}
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}
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if(is_ipaddr($_POST['gateway'])) {
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if (($gateway['gateway'] <> "") && ($_POST['gateway'] == $gateway['gateway']) && ($gateway['attribute'] != "system")) {
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$input_errors[] = "The gateway IP address \"{$_POST['gateway']}\" already exists.";
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break;
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}
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}
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if(is_ipaddr($_POST['monitor'])) {
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if (($gateway['monitor'] <> "") && ($_POST['monitor'] == $gateway['monitor']) && ($gateway['attribute'] != "system")) {
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$input_errors[] = "The monitor IP address \"{$_POST['monitor']}\" is already in use. You must choose a different monitor IP.";
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break;
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}
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}
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}
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}
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if (!$input_errors) {
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$reloadif = false;
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/* if we are processing a system gateway only save the monitorip */
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if(($_POST['attribute'] == "system" && empty($_POST['defaultgw'])) || (empty($_POST['interface']) && empty($_POST['gateway']) && empty($_POST['defaultgw']))) {
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if (is_ipaddr($_POST['monitor'])) {
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if (empty($_POST['interface']))
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$interface = $pconfig['friendlyiface'];
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else
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$interface = $_POST['interface'];
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$config['interfaces'][$interface]['monitorip'] = $_POST['monitor'];
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}
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/* when dynamic gateway is not anymore a default the entry is no more needed. */
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if (isset($id) && $a_gateway_item[$id]) {
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unset($a_gateway_item[$id]);
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}
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} else {
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/* Manual gateways are handled differently */
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/* rebuild the array with the manual entries only */
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$gateway = array();
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$gateway['interface'] = $_POST['interface'];
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$gateway['name'] = $_POST['name'];
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$gateway['gateway'] = $_POST['gateway'];
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$gateway['descr'] = $_POST['descr'];
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if(is_ipaddr($_POST['monitor'])) {
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$gateway['monitor'] = $_POST['monitor'];
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} else {
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unset($gateway['monitor']);
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}
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if ($_POST['defaultgw'] == "yes" or $_POST['defaultgw'] == "on") {
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$i = 0;
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foreach($a_gateway_item as $gw) {
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unset($config['gateways']['gateway_item'][$i]['defaultgw']);
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$i++;
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}
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$gateway['defaultgw'] = true;
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$reloadif = true;
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} else {
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unset($gateway['defaultgw']);
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}
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/* when saving the manual gateway we use the attribute which has the corresponding id */
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if (isset($id) && $a_gateway_item[$id]) {
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$a_gateway_item[$id] = $gateway;
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} else {
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$a_gateway_item[] = $gateway;
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}
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}
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system_resolvconf_generate();
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mark_subsystem_dirty('staticroutes');
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write_config();
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if($_REQUEST['isAjax']) {
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echo $_POST['name'];
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exit;
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} else if ($reloadif == true)
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interface_configure($_POST['interface']);
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header("Location: system_gateways.php");
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exit;
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} else {
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$pconfig = $_POST;
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if (empty($_POST['friendlyiface']))
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$pconfig['friendlyiface'] = $_POST['interface'];
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}
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}
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$pgtitle = array("System","Gateways","Edit gateway");
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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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<script language="JavaScript">
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function enable_change(obj) {
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if (document.iform.gateway.disabled) {
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if (obj.checked)
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document.iform.interface.disabled=false;
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else
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document.iform.interface.disabled=true;
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}
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}
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</script>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<form action="system_gateways_edit.php" method="post" name="iform" id="iform">
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<?php
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/* If this is a system gateway we need this var */
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if(($pconfig['attribute'] == "system") || is_numeric($pconfig['attribute'])) {
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echo "<input type='hidden' name='attribute' id='attribute' value='{$pconfig['attribute']}' >\n";
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}
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echo "<input type='hidden' name='friendlyiface' id='friendlyiface' value='{$pconfig['friendlyiface']}' >\n";
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?>
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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 gateway</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Interface</td>
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<td width="78%" class="vtable">
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<select name="interface" class="formselect" <?php if ($pconfig['dynamic'] == true && $pconfig['attribute'] == "system") echo "disabled"; ?>>
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<?php
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$interfaces = get_configured_interface_with_descr(false, true);
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foreach ($interfaces as $iface => $ifacename) {
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echo "<option value=\"{$iface}\"";
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if ($iface == $pconfig['friendlyiface'])
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echo " selected";
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echo ">" . htmlspecialchars($ifacename) . "</option>";
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}
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if (is_package_installed("openbgpd") == 1) {
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echo "<option value=\"bgpd\"";
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if ($pconfig['interface'] == "bgpd")
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echo " selected";
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echo ">Use BGPD</option>";
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}
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?>
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</select> <br>
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<span class="vexpl">Choose which interface this gateway applies to.</span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Name</td>
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<td width="78%" class="vtable">
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<input name="name" type="text" class="formfld unknown" id="name" size="20" value="<?=htmlspecialchars($pconfig['name']);?>">
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<br> <span class="vexpl">Gateway name</span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncellreq">Gateway</td>
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<td width="78%" class="vtable">
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<input name="gateway" type="text" class="formfld host" id="gateway" size="40" value="<?php echo $pconfig['gateway']; ?>" <?php if ($pconfig['dynamic'] == true && $pconfig['attribute'] == "system") echo "disabled"; ?>>
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<br> <span class="vexpl">Gateway IP address</span></td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Default Gateway</td>
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<td width="78%" class="vtable">
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<input name="defaultgw" type="checkbox" id="defaultgw" value="yes" <?php if ($pconfig['defaultgw'] == true) echo "checked"; ?> onclick="enable_change(this)" />
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<strong>Default Gateway</strong><br />
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This will select the above gateway as the default gateway
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</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Monitor IP</td>
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<td width="78%" class="vtable">
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<?php
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if(is_numeric($pconfig['attribute']) && ($pconfig['gateway'] == dynamic) && ($pconfig['monitor'] == "")) {
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$monitor = "";
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} else {
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$monitor = htmlspecialchars($pconfig['monitor']);
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}
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?>
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<input name="monitor" type="text" id="monitor" value="<?php echo $monitor; ?>" />
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<strong>Alternative monitor IP</strong> <br />
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Enter an alternative address here to be used to monitor the link. This is used for the
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quality RRD graphs as well as the load balancer entries. Use this if the gateway does not respond
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to ICMP echo requests (pings).</strong>
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<br />
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</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vncell">Description</td>
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<td width="78%" class="vtable">
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<input name="descr" type="text" class="formfld unknown" id="descr" size="40" value="<?=htmlspecialchars($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"> </td>
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<td width="78%">
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<input name="Submit" type="submit" class="formbtn" value="Save"> <input type="button" value="Cancel" class="formbtn" onclick="history.back()">
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<?php if (isset($id) && $a_gateways[$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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<script language="JavaScript">
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enable_change(document.iform.defaultgw);
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</script>
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</body>
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</html>
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