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<?php
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/* $Id$ */
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/*
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interfaces_opt.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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require("guiconfig.inc");
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unset($index);
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if ($_GET['index'])
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$index = $_GET['index'];
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else if ($_POST['index'])
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$index = $_POST['index'];
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if (!$index)
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exit;
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function remove_bad_chars($string) {
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return preg_replace('/[^a-z|_|0-9]/i','',$string);
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}
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$optcfg = &$config['interfaces']['opt' . $index];
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$optcfg['descr'] = remove_bad_chars($optcfg['descr']);
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if(is_array($config['aliases']['alias']))
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foreach($config['aliases']['alias'] as $alias)
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if($alias['name'] == $optcfg['descr'])
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$input_errors[] = gettext("Sorry, an alias with the name {$optcfg['descr']} already exists.");
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$pconfig['descr'] = $optcfg['descr'];
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$pconfig['bridge'] = $optcfg['bridge'];
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$pconfig['enable'] = isset($optcfg['enable']);
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$pconfig['blockpriv'] = isset($optcfg['blockpriv']);
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$pconfig['blockbogons'] = isset($optcfg['blockbogons']);
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$pconfig['spoofmac'] = $optcfg['spoofmac'];
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$pconfig['mtu'] = $optcfg['mtu'];
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$pconfig['disableftpproxy'] = isset($optcfg['disableftpproxy']);
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/* Wireless interface? */
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if (isset($optcfg['wireless'])) {
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require("interfaces_wlan.inc");
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wireless_config_init();
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}
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if ($optcfg['ipaddr'] == "dhcp") {
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$pconfig['type'] = "DHCP";
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$pconfig['dhcphostname'] = $optcfg['dhcphostname'];
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} else {
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$pconfig['type'] = "Static";
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$pconfig['ipaddr'] = $optcfg['ipaddr'];
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$pconfig['subnet'] = $optcfg['subnet'];
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$pconfig['gateway'] = $optcfg['gateway'];
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$pconfig['pointtopoint'] = $optcfg['pointtopoint'];
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}
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if ($_POST) {
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unset($input_errors);
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/* filter out spaces from descriptions */
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$POST['descr'] = remove_bad_chars($POST['descr']);
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if($_POST['gateway'] and $pconfig['gateway'] <> $_POST['gateway']) {
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/* enumerate slbd gateways and make sure we are not creating a route loop */
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if(is_array($config['load_balancer']['lbpool'])) {
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foreach($config['load_balancer']['lbpool'] as $lbpool) {
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if($lbpool['type'] == "gateway") {
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foreach ((array) $lbpool['servers'] as $server) {
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$svr = split("\|", $server);
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if($svr[1] == $pconfig['gateway']) {
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$_POST['gateway'] = $pconfig['gateway'];
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$input_errors[] = "Cannot change {$svr[1]} gateway. It is currently referenced by the load balancer pools.";
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break;
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}
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}
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}
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}
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foreach($config['filter']['rule'] as $rule) {
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if($rule['gateway'] == $_POST['gateway']) {
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$input_errors[] = "Cannot change {$_POST['gateway']} gateway. It is currently referenced by the filter rules via policy based routing.";
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break;
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}
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}
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}
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}
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$pconfig = $_POST;
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/* input validation */
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if ($_POST['enable']) {
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/* description unique? */
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for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
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if ($i != $index) {
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if ($config['interfaces']['opt' . $i]['descr'] == $_POST['descr']) {
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$input_errors[] = "An interface with the specified description already exists.";
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}
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}
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}
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if ($_POST['bridge']) {
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/* double bridging? */
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for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
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if ($i != $index) {
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if ($config['interfaces']['opt' . $i]['bridge'] == $_POST['bridge']) {
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//$input_errors[] = "Optional interface {$i} " .
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// "({$config['interfaces']['opt' . $i]['descr']}) is already bridged to " .
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// "the specified interface.";
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} else if ($config['interfaces']['opt' . $i]['bridge'] == "opt{$index}") {
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//$input_errors[] = "Optional interface {$i} " .
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// "({$config['interfaces']['opt' . $i]['descr']}) is already bridged to " .
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// "this interface.";
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}
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}
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}
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if ($config['interfaces'][$_POST['bridge']]['bridge']) {
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//$input_errors[] = "The specified interface is already bridged to " .
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// "another interface.";
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}
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/* captive portal on? */
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if (isset($config['captiveportal']['enable'])) {
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//$input_errors[] = "Interfaces cannot be bridged while the captive portal is enabled.";
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}
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} else {
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if ($_POST['type'] <> "DHCP") {
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$reqdfields = explode(" ", "descr ipaddr subnet");
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$reqdfieldsn = explode(",", "Description,IP address,Subnet bit count");
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do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
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if (($_POST['ipaddr'] && !is_ipaddr($_POST['ipaddr']))) {
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$input_errors[] = "A valid IP address must be specified.";
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}
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if (($_POST['subnet'] && !is_numeric($_POST['subnet']))) {
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$input_errors[] = "A valid subnet bit count must be specified.";
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}
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if($_POST['gateway'] <> "" && !is_ipaddr($_POST['gateway'])) {
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$input_errors[] = "A valid gateway must be specified.";
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}
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}
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}
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if ($_POST['mtu'] && (($_POST['mtu'] < 576) || ($_POST['mtu'] > 1500))) {
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$input_errors[] = "The MTU must be between 576 and 1500 bytes.";
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}
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if (($_POST['spoofmac'] && !is_macaddr($_POST['spoofmac']))) {
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$input_errors[] = "A valid MAC address must be specified.";
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}
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}
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if($_POST['mtu']) {
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if($_POST['mtu'] < 24 or $_POST['mtu'] > 1501)
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$input_errors[] = "A valid MTU is required 24-1500.";
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}
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/* Wireless interface? */
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if (isset($optcfg['wireless'])) {
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$wi_input_errors = wireless_config_post();
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if ($wi_input_errors) {
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$input_errors = array_merge($input_errors, $wi_input_errors);
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}
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}
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if (!$input_errors) {
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$bridge = discover_bridge($optcfg['if'], filter_translate_type_to_real_interface($optcfg['bridge']));
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if($bridge <> "-1") {
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destroy_bridge($bridge);
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setup_bridge();
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}
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unset($optcfg['dhcphostname']);
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unset($optcfg['disableftpproxy']);
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/* per interface pftpx helper */
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if($_POST['disableftpproxy'] == "yes") {
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$optcfg['disableftpproxy'] = true;
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system_start_ftp_helpers();
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} else {
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system_start_ftp_helpers();
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}
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$optcfg['descr'] = remove_bad_chars($_POST['descr']);
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$optcfg['bridge'] = $_POST['bridge'];
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$optcfg['enable'] = $_POST['enable'] ? true : false;
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if ($_POST['type'] == "Static") {
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$optcfg['ipaddr'] = $_POST['ipaddr'];
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$optcfg['subnet'] = $_POST['subnet'];
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$optcfg['gateway'] = $_POST['gateway'];
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if (isset($optcfg['ispointtopoint']))
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$optcfg['pointtopoint'] = $_POST['pointtopoint'];
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} else if ($_POST['type'] == "DHCP") {
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$optcfg['ipaddr'] = "dhcp";
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$optcfg['dhcphostname'] = $_POST['dhcphostname'];
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}
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$optcfg['blockpriv'] = $_POST['blockpriv'] ? true : false;
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$optcfg['blockbogons'] = $_POST['blockbogons'] ? true : false;
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$optcfg['spoofmac'] = $_POST['spoofmac'];
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$optcfg['mtu'] = $_POST['mtu'];
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write_config();
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$savemsg = get_std_save_message($retval);
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}
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}
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$pgtitle = "Interfaces: Optional {$index} (" . htmlspecialchars($optcfg['descr']) . ")";
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include("head.inc");
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?>
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<script language="JavaScript">
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<!--
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function enable_change(enable_over) {
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var endis;
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endis = !((document.iform.bridge.selectedIndex == 0) || enable_over);
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document.iform.ipaddr.disabled = endis;
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document.iform.subnet.disabled = endis;
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}
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function ipaddr_change() {
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document.iform.subnet.selectedIndex = gen_bits_opt(document.iform.ipaddr.value);
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}
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function type_change(enable_change,enable_change_pptp) {
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switch (document.iform.type.selectedIndex) {
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case 0:
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document.iform.ipaddr.type.disabled = 0;
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document.iform.ipaddr.disabled = 0;
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document.iform.subnet.disabled = 0;
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document.iform.gateway.disabled = 0;
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break;
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case 1:
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document.iform.ipaddr.type.disabled = 1;
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document.iform.ipaddr.disabled = 1;
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document.iform.subnet.disabled = 1;
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document.iform.gateway.disabled = 1;
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break;
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}
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}
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//-->
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</script>
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<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
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<?php include("fbegin.inc"); ?>
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<p class="pgtitle"><?=$pgtitle?></p>
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<?php if ($input_errors) print_input_errors($input_errors); ?>
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<?php if ($savemsg) print_info_box($savemsg); ?>
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<?php if ($optcfg['if']): ?>
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<form action="interfaces_opt.php" method="post" name="iform" id="iform">
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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">Optional Interface Configuration</td>
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</tr>
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<tr>
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<td width="22%" valign="top" class="vtable"> </td>
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<td width="78%" class="vtable">
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<input name="enable" type="checkbox" value="yes" <?php if ($pconfig['enable']) echo "checked"; ?> onClick="enable_change(false)">
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<strong>Enable Optional <?=$index;?> interface</strong></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" id="descr" size="30" value="<?=htmlspecialchars($pconfig['descr']);?>">
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<br> <span class="vexpl">Enter a description (name) for the interface here.</span>
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</td>
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</tr>
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<tr>
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<td colspan="2" valign="top" height="16"></td>
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</tr>
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<tr>
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<td colspan="2" valign="top" class="listtopic">General configuration</td>
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</tr>
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<tr>
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<td valign="middle" class="vncell"><strong>Type</strong></td>
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<td class="vtable"> <select name="type" class="formfld" id="type" onchange="type_change()">
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<?php $opts = split(" ", "Static DHCP");
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foreach ($opts as $opt): ?>
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<option <?php if ($opt == $pconfig['type']) echo "selected";?>>
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<?=htmlspecialchars($opt);?>
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</option>
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<?php endforeach; ?>
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</select></td>
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</tr>
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<tr>
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<td valign="top" class="vncell">MAC address</td>
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<td class="vtable"> <input name="spoofmac" type="text" class="formfld" id="spoofmac" size="30" value="<?=htmlspecialchars($pconfig['spoofmac']);?>">
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<?php
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$ip = getenv('REMOTE_ADDR');
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$mac = `/usr/sbin/arp -an | grep {$ip} | cut -d" " -f4`;
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$mac = str_replace("\n","",$mac);
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?>
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<a OnClick="document.forms[0].spoofmac.value='<?=$mac?>';" href="#">Copy my MAC address</a>
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<br>
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This field can be used to modify ("spoof") the MAC
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address of the WAN interface<br>
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(may be required with some cable connections)<br>
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Enter a MAC address in the following format: xx:xx:xx:xx:xx:xx
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or leave blank</td>
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</tr>
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<tr>
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<td valign="top" class="vncell">MTU</td>
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<td class="vtable"> <input name="mtu" type="text" class="formfld" id="mtu" size="8" value="<?=htmlspecialchars($pconfig['mtu']);?>">
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<br>
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If you enter a value in this field, then MSS clamping for
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TCP connections to the value entered above minus 40 (TCP/IP
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header size) will be in effect. If you leave this field blank,
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an MTU of 1492 bytes for PPPoE and 1500 bytes for all other
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connection types will be assumed.</td>
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</tr>
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<tr>
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<td colspan="2" valign="top" height="16"></td>
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</tr>
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<tr>
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<td colspan="2" valign="top" class="listtopic">IP configuration</td>
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</tr>
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<tr>
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346
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<td width="22%" valign="top" class="vncellreq">Bridge with</td>
|
|
347
|
<td width="78%" class="vtable">
|
|
348
|
<select name="bridge" class="formfld" id="bridge" onChange="enable_change(false)">
|
|
349
|
<option <?php if (!$pconfig['bridge']) echo "selected";?> value="">none</option>
|
|
350
|
<?php $opts = array('lan' => "LAN", 'wan' => "WAN");
|
|
351
|
for ($i = 1; isset($config['interfaces']['opt' . $i]); $i++) {
|
|
352
|
if ($i != $index)
|
|
353
|
$opts['opt' . $i] = "Optional " . $i . " (" .
|
|
354
|
$config['interfaces']['opt' . $i]['descr'] . ")";
|
|
355
|
}
|
|
356
|
foreach ($opts as $opt => $optname): ?>
|
|
357
|
<option <?php if ($opt == $pconfig['bridge']) echo "selected";?> value="<?=htmlspecialchars($opt);?>">
|
|
358
|
<?=htmlspecialchars($optname);?>
|
|
359
|
</option>
|
|
360
|
<?php endforeach; ?>
|
|
361
|
</select> </td>
|
|
362
|
</tr>
|
|
363
|
<tr>
|
|
364
|
<td width="22%" valign="top" class="vncellreq">IP address</td>
|
|
365
|
<td width="78%" class="vtable">
|
|
366
|
<input name="ipaddr" type="text" class="formfld" id="ipaddr" size="20" value="<?=htmlspecialchars($pconfig['ipaddr']);?>">
|
|
367
|
/
|
|
368
|
<select name="subnet" class="formfld" id="subnet">
|
|
369
|
<?php
|
|
370
|
for ($i = 32; $i > 0; $i--) {
|
|
371
|
if($i <> 31) {
|
|
372
|
echo "<option value=\"{$i}\" ";
|
|
373
|
if ($i == $pconfig['subnet']) echo "selected";
|
|
374
|
echo ">" . $i . "</option>";
|
|
375
|
}
|
|
376
|
}
|
|
377
|
?> </select>
|
|
378
|
</td>
|
|
379
|
</tr>
|
|
380
|
<tr>
|
|
381
|
<td width="22%" valign="top" class="vncell">Gateway</td>
|
|
382
|
<td width="78%" class="vtable">
|
|
383
|
<input name="gateway" value="<?php echo $pconfig['gateway']; ?>">
|
|
384
|
<br>
|
|
385
|
If this interface is an Internet connection, enter its next hop gateway (router) IP address here. Otherwise, leave this option blank.
|
|
386
|
</td>
|
|
387
|
</tr>
|
|
388
|
<tr>
|
|
389
|
<td colspan="2" valign="top" height="16"></td>
|
|
390
|
</tr>
|
|
391
|
<tr>
|
|
392
|
<td colspan="2" valign="top" class="listtopic">FTP Helper</td>
|
|
393
|
</tr>
|
|
394
|
<tr>
|
|
395
|
<td width="22%" valign="top" class="vncell">FTP Helper</td>
|
|
396
|
<td width="78%" class="vtable">
|
|
397
|
<input name="disableftpproxy" type="checkbox" id="disableftpproxy" value="yes" <?php if ($pconfig['disableftpproxy']) echo "checked"; ?> onclick="enable_change(false)" />
|
|
398
|
<strong>Disable the userland FTP-Proxy application</strong>
|
|
399
|
<br />
|
|
400
|
</td>
|
|
401
|
</tr>
|
|
402
|
<?php /* Wireless interface? */
|
|
403
|
if (isset($optcfg['wireless']))
|
|
404
|
wireless_config_print();
|
|
405
|
?>
|
|
406
|
<tr>
|
|
407
|
<td colspan="2" valign="top" height="16"></td>
|
|
408
|
</tr>
|
|
409
|
<tr>
|
|
410
|
<td colspan="2" valign="top" class="listtopic">DHCP client configuration</td>
|
|
411
|
</tr>
|
|
412
|
<tr>
|
|
413
|
<td valign="top" class="vncell">Hostname</td>
|
|
414
|
<td class="vtable"> <input name="dhcphostname" type="text" class="formfld" id="dhcphostname" size="40" value="<?=htmlspecialchars($pconfig['dhcphostname']);?>">
|
|
415
|
<br>
|
|
416
|
The value in this field is sent as the DHCP client identifier
|
|
417
|
and hostname when requesting a DHCP lease. Some ISPs may require
|
|
418
|
this (for client identification).</td>
|
|
419
|
</tr>
|
|
420
|
<tr>
|
|
421
|
<td colspan="2" valign="top" height="16"></td>
|
|
422
|
</tr>
|
|
423
|
<tr>
|
|
424
|
<td width="22%" valign="top"> </td>
|
|
425
|
<td width="78%">
|
|
426
|
<input name="index" type="hidden" value="<?=$index;?>">
|
|
427
|
<input name="Submit" type="submit" class="formbtn" value="Save" onclick="enable_change(true)">
|
|
428
|
</td>
|
|
429
|
</tr>
|
|
430
|
<tr>
|
|
431
|
<td width="22%" valign="top"> </td>
|
|
432
|
<td width="78%"><span class="vexpl"><span class="red"><strong>Note:<br>
|
|
433
|
</strong></span>be sure to add <a href="firewall_rules.php">firewall rules</a> to permit traffic
|
|
434
|
through the interface. You also need firewall rules for an interface in
|
|
435
|
bridged mode as the firewall acts as a filtering bridge.</span></td>
|
|
436
|
</tr>
|
|
437
|
</table>
|
|
438
|
</form>
|
|
439
|
<script language="JavaScript">
|
|
440
|
<!--
|
|
441
|
enable_change(false);
|
|
442
|
//-->
|
|
443
|
</script>
|
|
444
|
<?php else: ?>
|
|
445
|
<p><strong>Optional <?=$index;?> has been disabled because there is no OPT<?=$index;?> interface.</strong></p>
|
|
446
|
<?php endif; ?>
|
|
447
|
<?php include("fend.inc"); ?>
|
|
448
|
</body>
|
|
449
|
</html>
|
|
450
|
|
|
451
|
<?php
|
|
452
|
if ($_POST) {
|
|
453
|
|
|
454
|
if (!$input_errors) {
|
|
455
|
|
|
456
|
ob_flush();
|
|
457
|
flush();
|
|
458
|
sleep(1);
|
|
459
|
|
|
460
|
interfaces_optional_configure_if($index);
|
|
461
|
|
|
462
|
reset_carp();
|
|
463
|
|
|
464
|
/* load graphing functions */
|
|
465
|
enable_rrd_graphing();
|
|
466
|
|
|
467
|
/* sync filter configuration */
|
|
468
|
filter_configure();
|
|
469
|
|
|
470
|
/* set up static routes */
|
|
471
|
system_routing_configure();
|
|
472
|
|
|
473
|
}
|
|
474
|
}
|
|
475
|
?>
|