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.
*/
require_once("guiconfig.inc");
require_once("filter.inc");
require_once("rrd.inc");
require_once("system.inc");
require_once("interfaces.inc");
require_once("services.inc");
function link_interface_to_vlans($int)
{
global $config;
if (isset($config['vlans']['vlan'])) {
foreach ($config['vlans']['vlan'] as $vlan) {
if ($int == $vlan['if']) {
interfaces_bring_up($int);
}
}
}
}
function list_interfaces() {
global $config;
$interfaces = array();
// define config sections to fetch interfaces from.
$config_sections = array();
$config_sections['wireless.clone'] = array('descr' => 'cloneif,descr', 'key' => 'cloneif', 'format' => '%s (%s)');
$config_sections['vlans.vlan'] = array('descr' => 'tag,if,descr', 'format' => gettext('vlan %s on %s') . ' (%s)', 'key' => 'vlanif');
$config_sections['bridges.bridged'] = array('descr' => 'bridgeif, descr', 'key' => 'bridgeif', 'format' => '%s (%s)');
$config_sections['gifs.gif'] = array('descr' => 'remote-addr,descr', 'key' => 'gifif', 'format' => 'gif %s (%s)');
$config_sections['gres.gre'] = array('descr' => 'remote-addr,descr', 'key' => 'greif', 'format' => 'gre %s (%s)');
$config_sections['laggs.lagg'] = array('descr' => 'laggif,descr', 'key' => 'laggif', 'format' => '%s (%s)', 'fields' => 'members');
$config_sections['ppps.ppp'] = array('descr' => 'if,ports,descr,username', 'key' => 'if','format' => '%s (%s) - %s %s', 'fields' => 'type');
// add physical network interfaces
foreach (get_interface_list() as $key => $intf_item) {
if (match_wireless_interface($key)) {
continue;
}
if (preg_match('/_stf$/', $key)) {
continue;
}
$interfaces[$key] = array('descr' => $key . ' (' . $intf_item['mac'] . ')', 'section' => 'interfaces');
}
// collect interfaces from defined config sections
foreach ($config_sections as $key => $value) {
$cnf_location = explode(".", $key);
if (!empty($config[$cnf_location[0]][$cnf_location[1]])) {
foreach ($config[$cnf_location[0]][$cnf_location[1]] as $cnf_item) {
$interface_item = array("section" => $key);
// construct item description
$descr = array();
foreach (explode(',', $value['descr']) as $fieldname) {
if (isset($cnf_item[trim($fieldname)])) {
$descr[] = $cnf_item[trim($fieldname)];
} else {
$descr[] = "";
}
}
if (!empty($value['format'])) {
$interface_item['descr'] = vsprintf($value['format'], $descr);
} else {
$interface_item['descr'] = implode(" ", $descr);
}
// copy requested additional fields into temp structure
if (isset($value['fields'])) {
foreach (explode(',', $value['fields']) as $fieldname) {
if (isset($cnf_item[$fieldname])) {
$interface_item[$fieldname] = $cnf_item[$fieldname];
}
}
}
$interfaces[$cnf_item[$value['key']]] = $interface_item;
}
}
}
// enforce constraints
foreach ($interfaces as $intf_id => $intf_details) {
// LAGG members cannot be assigned
if (isset($intf_details['members']) && $intf_details['section'] == 'laggs.lagg') {
foreach (explode(',', ($intf_details['members'])) as $intf) {
if (isset($interfaces[trim($intf)])) {
unset($interfaces[trim($intf)]);
}
}
}
}
return $interfaces;
}
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
$input_errors = array();
if (isset($_POST['add_x']) && isset($_POST['if_add'])) {
// ** Add new **
// if interface is already used, redirect.
foreach (legacy_config_get_interfaces() as $ifname => $ifdata) {
if ($ifdata['if'] == $_POST['if_add']) {
header(url_safe('Location: /interfaces_assign.php'));
exit;
}
}
/* find next free optional interface number */
if(empty($config['interfaces']['lan'])) {
$newifname = gettext("lan");
$descr = gettext("LAN");
} else {
for ($i = 1; $i <= count($config['interfaces']); $i++) {
if (empty($config['interfaces']["opt{$i}"])) {
break;
}
}
$newifname = 'opt' . $i;
$descr = "OPT" . $i;
}
$config['interfaces'][$newifname] = array();
$config['interfaces'][$newifname]['descr'] = $descr;
$config['interfaces'][$newifname]['if'] = $_POST['if_add'];
$interfaces = list_interfaces();
if ($interfaces[$_POST['if_add']]['section'] == 'ppps.ppp') {
$config['interfaces'][$newifname]['ipaddr'] = $interfaces[$_POST['if_add']]['type'];
}
if (match_wireless_interface($_POST['if_add'])) {
$config['interfaces'][$newifname]['wireless'] = array();
interface_sync_wireless_clones($config['interfaces'][$newifname], false);
}
/* lock known-to-be unreliable interfaces by default */
if (in_array(substr($_POST['if_add'], 0, 2), array('ue', 'zt'))) {
$config['interfaces'][$newifname]['lock'] = true;
}
write_config();
header(url_safe('Location: /interfaces_assign.php'));
exit;
} elseif (!empty($_POST['id']) && !empty($_POST['action']) && $_POST['action'] == 'del' & !empty($config['interfaces'][$_POST['id']]) ) {
// ** Delete interface **
$id = $_POST['id'];
if (link_interface_to_group($id)) {
$input_errors[] = gettext("The interface is part of a group. Please remove it from the group to continue");
} else if (link_interface_to_bridge($id)) {
$input_errors[] = gettext("The interface is part of a bridge. Please remove it from the bridge to continue");
} else if (link_interface_to_gre($id)) {
$input_errors[] = gettext("The interface is part of a gre tunnel. Please delete the tunnel to continue");
} else if (link_interface_to_gif($id)) {
$input_errors[] = gettext("The interface is part of a gif tunnel. Please delete the tunnel to continue");
} else {
// no validation errors, delete entry
unset($config['interfaces'][$id]['enable']);
$realid = get_real_interface($id);
interface_bring_down($id); /* down the interface */
unset($config['interfaces'][$id]); /* delete the specified OPTn or LAN*/
if (isset($config['dhcpd'][$id])) {
unset($config['dhcpd'][$id]);
services_dhcpd_configure();
}
if (isset($config['filter']['rule'])) {
foreach ($config['filter']['rule'] as $x => $rule) {
if ($rule['interface'] == $id) {
unset($config['filter']['rule'][$x]);
}
}
}
if (isset($config['nat']['rule'])) {
foreach ($config['nat']['rule'] as $x => $rule) {
if ($rule['interface'] == $id) {
unset($config['nat']['rule'][$x]['interface']);
}
}
}
write_config();
/* If we are in firewall/routing mode (not single interface)
* then ensure that we are not running DHCP on the wan which
* will make a lot of ISP's unhappy.
*/
if(!empty($config['interfaces']['lan']) && !empty($config['dhcpd']['wan']) && !empty($config['dhcpd']['wan']) ) {
unset($config['dhcpd']['wan']);
}
link_interface_to_vlans($realid);
header(url_safe('Location: /interfaces_assign.php'));
exit;
}
} elseif (isset($_POST['Submit'])) {
// ** Change interface **
/* input validation */
/* Build a list of the port names so we can see how the interfaces map */
$portifmap = array();
$interfaces = list_interfaces();
foreach ($interfaces as $portname => $portinfo) {
$portifmap[$portname] = array();
}
/* Go through the list of ports selected by the user,
build a list of port-to-interface mappings in portifmap */
foreach ($_POST as $ifname => $ifport) {
if ($ifname == 'lan' || $ifname == 'wan' || substr($ifname, 0, 3) == 'opt') {
$portifmap[$ifport][] = strtoupper($ifname);
}
}
/* Deliver error message for any port with more than one assignment */
foreach ($portifmap as $portname => $ifnames) {
if (count($ifnames) > 1) {
$errstr = sprintf(gettext('Port %s was assigned to %d interfaces:'), $portname, count($ifnames));
foreach ($portifmap[$portname] as $ifn) {
$errstr .= " " . $ifn;
}
$input_errors[] = $errstr;
} elseif (count($ifnames) == 1 && preg_match('/^bridge[0-9]/', $portname) && isset($config['bridges']['bridged'])) {
foreach ($config['bridges']['bridged'] as $bridge) {
if ($bridge['bridgeif'] != $portname) {
continue;
}
$members = explode(",", strtoupper($bridge['members']));
foreach ($members as $member) {
if ($member == $ifnames[0]) {
$input_errors[] = sprintf(gettext("You cannot set port %s to interface %s because this interface is a member of %s."), $portname, $member, $portname);
break;
}
}
}
}
}
if (isset($config['vlans']['vlan'])) {
foreach ($config['vlans']['vlan'] as $vlan) {
if (!does_interface_exist($vlan['if'])) {
$input_errors[] = sprintf(gettext("VLAN parent interface %s does not exist."), $vlan['if']);
}
}
}
if (count($input_errors) == 0) {
/* No errors detected, so update the config */
$changes = 0;
foreach ($_POST as $ifname => $ifport) {
if (!is_array($ifport) && ($ifname == 'lan' || $ifname == 'wan' || substr($ifname, 0, 3) == 'opt')) {
$reloadif = false;
if (!empty($config['interfaces'][$ifname]['if']) && $config['interfaces'][$ifname]['if'] <> $ifport) {
interface_bring_down($ifname);
/* Mark this to be reconfigured in any case. */
$reloadif = true;
}
$config['interfaces'][$ifname]['if'] = $ifport;
if ($interfaces[$ifport]['section'] == 'ppps.ppp') {
$config['interfaces'][$ifname]['ipaddr'] = $interfaces[$ifport]['type'];
}
if (substr($ifport, 0, 3) == 'gre' || substr($ifport, 0, 3) == 'gif') {
unset($config['interfaces'][$ifname]['ipaddr']);
unset($config['interfaces'][$ifname]['subnet']);
unset($config['interfaces'][$ifname]['ipaddrv6']);
unset($config['interfaces'][$ifname]['subnetv6']);
}
/* check for wireless interfaces, set or clear ['wireless'] */
if (match_wireless_interface($ifport)) {
config_read_array('interfaces', $ifname, 'wireless');
} elseif (isset($config['interfaces'][$ifname]['wireless'])) {
unset($config['interfaces'][$ifname]['wireless']);
}
/* make sure there is a descr for all interfaces */
if (!isset($config['interfaces'][$ifname]['descr'])) {
$config['interfaces'][$ifname]['descr'] = strtoupper($ifname);
}
if ($reloadif) {
if (match_wireless_interface($ifport)) {
interface_sync_wireless_clones($config['interfaces'][$ifname], false);
}
/* Reload all for the interface. */
interface_configure(false, $ifname, true);
// count changes
$changes++;
}
}
}
write_config();
if ($changes > 0) {
// reload filter, rrd when interfaces have changed (original from apply action)
filter_configure();
rrd_configure();
}
header(url_safe('Location: /interfaces_assign.php'));
exit;
}
}
}
/* collect (unused) interfaces */
$interfaces = list_interfaces();
legacy_html_escape_form_data($interfaces);
$unused_interfaces= array();
$all_interfaces = legacy_config_get_interfaces();
foreach ($interfaces as $portname => $portinfo) {
$portused = false;
foreach ($all_interfaces as $ifname => $ifdata) {
if ($ifdata['if'] == $portname) {
$portused = true;
break;
}
}
if (!$portused) {
$unused_interfaces[$portname] = $portinfo;
}
}
include("head.inc");
?>