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interfaces.php
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interfaces.php
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<?php
/*
* Copyright (C) 2014-2015 Deciso B.V.
* Copyright (C) 2010 Erik Fonnesbeck
* Copyright (C) 2008-2010 Ermal Luçi
* Copyright (C) 2004-2008 Scott Ullrich <sullrich@gmail.com>
* Copyright (C) 2006 Daniel S. Haischt
* Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>
* 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");
/***************************************************************************************************************
* imported from xmlparse_attr.inc
***************************************************************************************************************/
function startElement_attr($parser, $name, $attrs) {
global $parsedcfg, $depth, $curpath, $havedata, $listtags, $parsedattrs;
array_push($curpath, strtolower($name));
$ptr =& $parsedcfg;
if (!empty($attrs)) {
$attrptr =& $parsedattrs;
$writeattrs = true;
}
foreach ($curpath as $path) {
$ptr =& $ptr[$path];
if (isset($writeattrs)) {
$attrptr =& $attrptr[$path];
}
}
/* is it an element that belongs to a list? */
if (in_array(strtolower($name), $listtags)) {
/* is there an array already? */
if (!is_array($ptr)) {
/* make an array */
$ptr = array();
}
array_push($curpath, count($ptr));
if (isset($writeattrs)) {
if (!is_array($attrptr)) {
$attrptr = array();
}
$attrptr[count($ptr)] = $attrs;
}
} elseif (isset($ptr)) {
/* multiple entries not allowed for this element, bail out */
die(sprintf(gettext('XML error: %s at line %d cannot occur more than once') . "\n",
$name,
xml_get_current_line_number($parser)));
} elseif (isset($writeattrs)) {
$attrptr = $attrs;
}
$depth++;
$havedata = $depth;
}
function endElement_attr($parser, $name) {
global $depth, $curpath, $parsedcfg, $havedata, $listtags;
if ($havedata == $depth) {
$ptr =& $parsedcfg;
foreach ($curpath as $path) {
$ptr =& $ptr[$path];
}
$ptr = "";
}
array_pop($curpath);
if (in_array(strtolower($name), $listtags)) {
array_pop($curpath);
}
$depth--;
}
function cData_attr($parser, $data) {
global $curpath, $parsedcfg, $havedata;
$data = trim($data, "\t\n\r");
if ($data != "") {
$ptr =& $parsedcfg;
foreach ($curpath as $path) {
$ptr =& $ptr[$path];
}
if (is_string($ptr)) {
$ptr .= html_entity_decode($data);
} else {
if (trim($data, " ") != "") {
$ptr = html_entity_decode($data);
$havedata++;
}
}
}
}
function parse_xml_regdomain(&$rdattributes, $rdfile = '', $rootobj = 'regulatory-data')
{
global $listtags;
if (empty($rdfile)) {
$rdfile = '/etc/regdomain.xml';
}
$listtags = explode(" ", "band country flags freqband netband rd");
$parsed_xml = array();
if (file_exists('/tmp/regdomain.cache')) {
$parsed_xml = unserialize(file_get_contents('/tmp/regdomain.cache'));
if (!empty($parsed_xml)) {
$rdmain = $parsed_xml['main'];
$rdattributes = $parsed_xml['attributes'];
}
}
if (empty($parsed_xml) && file_exists('/etc/regdomain.xml')) {
$rdmain = parse_xml_config_raw_attr($rdfile, $rootobj, $rdattributes);
// unset parts that aren't used before making cache
foreach ($rdmain['regulatory-domains']['rd'] as $rdkey => $rdentry) {
if (isset($rdmain['regulatory-domains']['rd'][$rdkey]['netband'])) {
unset($rdmain['regulatory-domains']['rd'][$rdkey]['netband']);
}
if (isset($rdattributes['regulatory-domains']['rd'][$rdkey]['netband'])) {
unset($rdattributes['regulatory-domains']['rd'][$rdkey]['netband']);
}
}
if (isset($rdmain['shared-frequency-bands'])) {
unset($rdmain['shared-frequency-bands']);
}
if (isset($rdattributes['shared-frequency-bands'])) {
unset($rdattributes['shared-frequency-bands']);
}
$parsed_xml = array('main' => $rdmain, 'attributes' => $rdattributes);
$rdcache = fopen('/tmp/regdomain.cache', 'w');
fwrite($rdcache, serialize($parsed_xml));
fclose($rdcache);
}
return $rdmain;
}
function parse_xml_config_raw_attr($cffile, $rootobj, &$parsed_attributes, $isstring = "false") {
global $depth, $curpath, $parsedcfg, $havedata, $parsedattrs;
$parsedcfg = array();
$curpath = array();
$depth = 0;
$havedata = 0;
if (isset($parsed_attributes)) {
$parsedattrs = array();
}
$xml_parser = xml_parser_create();
xml_set_element_handler($xml_parser, "startElement_attr", "endElement_attr");
xml_set_character_data_handler($xml_parser, "cData_attr");
xml_parser_set_option($xml_parser,XML_OPTION_SKIP_WHITE, 1);
if (!($fp = fopen($cffile, "r"))) {
log_error('Error: could not open XML input');
if (isset($parsed_attributes)) {
$parsed_attributes = array();
unset($parsedattrs);
}
return -1;
}
while ($data = fread($fp, 4096)) {
if (!xml_parse($xml_parser, $data, feof($fp))) {
log_error(sprintf('XML error: %s at line %d' . "\n",
xml_error_string(xml_get_error_code($xml_parser)),
xml_get_current_line_number($xml_parser)));
if (isset($parsed_attributes)) {
$parsed_attributes = array();
unset($parsedattrs);
}
return -1;
}
}
xml_parser_free($xml_parser);
if (!$parsedcfg[$rootobj]) {
log_error(sprintf('XML error: no %s object found!', $rootobj));
if (isset($parsed_attributes)) {
$parsed_attributes = array();
unset($parsedattrs);
}
return -1;
}
if (isset($parsed_attributes)) {
if ($parsedattrs[$rootobj]) {
$parsed_attributes = $parsedattrs[$rootobj];
}
unset($parsedattrs);
}
return $parsedcfg[$rootobj];
}
/***************************************************************************************************************
* End of import
***************************************************************************************************************/
function get_wireless_modes($interface) {
/* return wireless modes and channels */
$wireless_modes = array();
$cloned_interface = get_real_interface($interface);
if ($cloned_interface && is_interface_wireless($cloned_interface)) {
$chan_list = "/sbin/ifconfig {$cloned_interface} list chan";
$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
$format_list = "/usr/bin/awk '{print \$5 \" \" \$6 \",\" \$1}'";
$interface_channels = [];
exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
foreach ($interface_channels as $c => $interface_channel) {
$channel_line = explode(",", $interface_channel);
$wireless_mode = trim($channel_line[0]);
$wireless_channel = trim($channel_line[1]);
if (trim($wireless_mode) != "") {
/* if we only have 11g also set 11b channels */
if ($wireless_mode == "11g") {
if (!isset($wireless_modes["11b"])) {
$wireless_modes["11b"] = array();
}
} elseif ($wireless_mode == "11g ht") {
if (!isset($wireless_modes["11b"])) {
$wireless_modes["11b"] = array();
} elseif (!isset($wireless_modes["11g"])) {
$wireless_modes["11g"] = array();
}
$wireless_mode = "11ng";
} elseif ($wireless_mode == "11a ht") {
if (!isset($wireless_modes["11a"])) {
$wireless_modes["11a"] = array();
}
$wireless_mode = "11na";
}
$wireless_modes[$wireless_mode][$c] = $wireless_channel;
}
}
}
return($wireless_modes);
}
/* return channel numbers, frequency, max txpower, and max regulation txpower */
function get_wireless_channel_info($interface) {
$wireless_channels = array();
$cloned_interface = get_real_interface($interface);
if ($cloned_interface && is_interface_wireless($cloned_interface)) {
$chan_list = "/sbin/ifconfig {$cloned_interface} list txpower";
$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
$format_list = "/usr/bin/awk '{print \$1 \",\" \$3 \" \" \$4 \",\" \$5 \",\" \$7}'";
$interface_channels = [];
exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
foreach ($interface_channels as $channel_line) {
$channel_line = explode(",", $channel_line);
if (!isset($wireless_channels[$channel_line[0]])) {
$wireless_channels[$channel_line[0]] = $channel_line;
}
}
}
return($wireless_channels);
}
$ifdescrs = legacy_config_get_interfaces(array('virtual' => false));
$a_interfaces = &config_read_array('interfaces');
$a_ppps = &config_read_array('ppps', 'ppp');
if ($_SERVER['REQUEST_METHOD'] === 'GET') {
if (!empty($_GET['if']) && !empty($a_interfaces[$_GET['if']])) {
$if = $_GET['if'];
} else {
// no interface provided, redirect to interface assignments
header(url_safe('Location: /interfaces_assign.php'));
exit;
}
$pconfig = array();
$std_copy_fieldnames = array(
'adv_dhcp6_authentication_statement_algorithm',
'adv_dhcp6_authentication_statement_authname',
'adv_dhcp6_authentication_statement_protocol',
'adv_dhcp6_authentication_statement_rdm',
'adv_dhcp6_config_advanced',
'adv_dhcp6_config_file_override',
'adv_dhcp6_config_file_override_path',
'adv_dhcp6_id_assoc_statement_address',
'adv_dhcp6_id_assoc_statement_address_enable',
'adv_dhcp6_id_assoc_statement_address_id',
'adv_dhcp6_id_assoc_statement_address_pltime',
'adv_dhcp6_id_assoc_statement_address_vltime',
'adv_dhcp6_id_assoc_statement_prefix',
'adv_dhcp6_id_assoc_statement_prefix_enable',
'adv_dhcp6_id_assoc_statement_prefix_id',
'adv_dhcp6_id_assoc_statement_prefix_pltime',
'adv_dhcp6_id_assoc_statement_prefix_vltime',
'adv_dhcp6_interface_statement_information_only_enable',
'adv_dhcp6_interface_statement_request_options',
'adv_dhcp6_interface_statement_script',
'adv_dhcp6_interface_statement_send_options',
'adv_dhcp6_key_info_statement_expire',
'adv_dhcp6_key_info_statement_keyid',
'adv_dhcp6_key_info_statement_keyname',
'adv_dhcp6_key_info_statement_realm',
'adv_dhcp6_key_info_statement_secret',
'adv_dhcp6_prefix_interface_statement_sla_len',
'adv_dhcp_config_advanced',
'adv_dhcp_config_file_override',
'adv_dhcp_config_file_override_path',
'adv_dhcp_option_modifiers',
'adv_dhcp_pt_backoff_cutoff',
'adv_dhcp_pt_initial_interval',
'adv_dhcp_pt_reboot',
'adv_dhcp_pt_retry',
'adv_dhcp_pt_select_timeout',
'adv_dhcp_pt_timeout',
'adv_dhcp_pt_values',
'adv_dhcp_request_options',
'adv_dhcp_required_options',
'adv_dhcp_send_options',
'alias-address',
'alias-subnet',
'descr',
'dhcp6-ia-pd-len',
'dhcp6vlanprio',
'dhcphostname',
'dhcprejectfrom',
'disablechecksumoffloading',
'disablelargereceiveoffloading',
'disablesegmentationoffloading',
'disablevlanhwfilter',
'gateway',
'gateway-6rd',
'gatewayv6',
'hw_settings_overwrite',
'if',
'ipaddr',
'ipaddrv6',
'media',
'mediaopt',
'mss',
'mtu',
'prefix-6rd',
'prefix-6rd-v4addr',
'prefix-6rd-v4plen',
'spoofmac',
'subnet',
'subnetv6',
'track6-interface',
'track6-prefix-id',
);
foreach ($std_copy_fieldnames as $fieldname) {
$pconfig[$fieldname] = isset($a_interfaces[$if][$fieldname]) ? $a_interfaces[$if][$fieldname] : null;
}
$pconfig['enable'] = isset($a_interfaces[$if]['enable']);
$pconfig['lock'] = isset($a_interfaces[$if]['lock']);
$pconfig['blockpriv'] = isset($a_interfaces[$if]['blockpriv']);
$pconfig['blockbogons'] = isset($a_interfaces[$if]['blockbogons']);
$pconfig['gateway_interface'] = isset($a_interfaces[$if]['gateway_interface']);
$pconfig['dhcpoverridemtu'] = empty($a_interfaces[$if]['dhcphonourmtu']) ? true : null;
$pconfig['dhcp6-ia-pd-send-hint'] = isset($a_interfaces[$if]['dhcp6-ia-pd-send-hint']);
$pconfig['dhcp6prefixonly'] = isset($a_interfaces[$if]['dhcp6prefixonly']);
$pconfig['dhcp6usev4iface'] = isset($a_interfaces[$if]['dhcp6usev4iface']);
$pconfig['track6-prefix-id--hex'] = sprintf("%x", empty($pconfig['track6-prefix-id']) ? 0 : $pconfig['track6-prefix-id']);
$pconfig['dhcpd6track6allowoverride'] = isset($a_interfaces[$if]['dhcpd6track6allowoverride']);
/*
* Due to the settings being split per interface type, we need
* to copy the settings that use the same config directive.
*/
$pconfig['staticv6usev4iface'] = $pconfig['dhcp6usev4iface'];
$pconfig['slaacusev4iface'] = $pconfig['dhcp6usev4iface'];
// ipv4 type (from ipaddr)
if (is_ipaddrv4($pconfig['ipaddr'])) {
$pconfig['type'] = "staticv4";
} else {
if (empty($pconfig['ipaddr'])) {
$pconfig['type'] = "none";
} else {
$pconfig['type'] = $pconfig['ipaddr'];
}
$pconfig['ipaddr'] = null;
}
// ipv6 type (from ipaddrv6)
if (is_ipaddrv6($pconfig['ipaddrv6'])) {
$pconfig['type6'] = "staticv6";
} else {
if (empty($pconfig['ipaddrv6'])) {
$pconfig['type6'] = "none";
} else {
$pconfig['type6'] = $pconfig['ipaddrv6'];
}
$pconfig['ipaddrv6'] = null;
}
/* locate PPP details (if any) */
$pppid = count($a_ppps);
foreach ($a_ppps as $key => $ppp) {
if ($a_interfaces[$if]['if'] == $ppp['if']) {
$pppid = $key;
break;
}
}
$std_ppp_copy_fieldnames = array("ptpid", "ports", "username", "phone", "apn", "provider", "idletimeout", "localip", 'hostuniq');
foreach ($std_ppp_copy_fieldnames as $fieldname) {
$pconfig[$fieldname] = isset($a_ppps[$pppid][$fieldname]) ? $a_ppps[$pppid][$fieldname] : null;
}
$pconfig['password'] = base64_decode($a_ppps[$pppid]['password']); // ppp password field
$pconfig['pppoe_dialondemand'] = isset($a_ppps[$pppid]['ondemand']);
$pconfig['pptp_dialondemand'] = isset($a_ppps[$pppid]['ondemand']);
$pconfig['pppoe_password'] = $pconfig['password']; // pppoe password field
$pconfig['pppoe_username'] = $pconfig['username'];
$pconfig['pppoe_hostuniq'] = $pconfig['hostuniq'];
$pconfig['pppoe_idletimeout'] = $pconfig['idletimeout'];
$pconfig['pptp_username'] = $pconfig['username'];
$pconfig['pptp_password'] = $pconfig['password'];
$pconfig['pptp_subnet'] = $a_ppps[$pppid]['subnet'];
$pconfig['pptp_remote'] = $a_ppps[$pppid]['gateway'];
$pconfig['pptp_idletimeout'] = $a_ppps[$pppid]['timeout'];
if (isset($a_ppps[$pppid])) {
$pconfig['pppid'] = $pppid;
} else {
$pconfig['ptpid'] = interfaces_ptpid_next();
$pppid = count($a_ppps);
}
if (isset($a_interfaces[$if]['wireless'])) {
/* Sync first to be sure it displays the actual settings that will be used */
interface_sync_wireless_clones($a_interfaces[$if], false);
/* Get wireless modes */
$wlanif = get_real_interface($if);
if (!does_interface_exist($wlanif)) {
interface_wireless_clone($wlanif, $a_interfaces[$if]);
}
$wlanbaseif = interface_get_wireless_base($a_interfaces[$if]['if']);
$std_wl_copy_fieldnames = array(
'standard', 'mode','protmode', 'ssid', 'channel', 'txpower', 'diversity', 'txantenna', 'rxantenna',
'regdomain', 'regcountry', 'reglocation', 'authmode', 'auth_server_addr', 'auth_server_port', 'auth_server_shared_secret',
'auth_server_addr2', 'auth_server_port2', 'auth_server_shared_secret2', 'mac_acl'
);
foreach ($std_wl_copy_fieldnames as $fieldname) {
$pconfig[$fieldname] = isset($a_interfaces[$if]['wireless'][$fieldname]) ? $a_interfaces[$if]['wireless'][$fieldname] : null;
}
$pconfig['persistcommonwireless'] = isset($config['wireless']['interfaces'][$wlanbaseif]);
$pconfig['wme_enable'] = isset($a_interfaces[$if]['wireless']['wme']['enable']);
$pconfig['apbridge_enable'] = isset($a_interfaces[$if]['wireless']['apbridge']['enable']);
$pconfig['hidessid_enable'] = isset($a_interfaces[$if]['wireless']['hidessid']['enable']);
$pconfig['wep_enable'] = isset($a_interfaces[$if]['wireless']['wep']['enable']);
if (isset($a_interfaces[$if]['wireless']['puren']['enable'])) {
$pconfig['puremode'] = '11n';
} elseif (isset($a_interfaces[$if]['wireless']['pureg']['enable'])) {
$pconfig['puremode'] = '11g';
} else {
$pconfig['puremode'] = 'any';
}
if (isset($a_interfaces[$if]['wireless']['wpa']) && is_array($a_interfaces[$if]['wireless']['wpa'])) {
$std_wl_wpa_copy_fieldnames = array(
'debug_mode', 'macaddr_acl', 'auth_algs', 'wpa_mode', 'wpa_key_mgmt', 'wpa_pairwise',
'wpa_group_rekey', 'wpa_gmk_rekey', 'passphrase', 'ext_wpa_sw'
);
foreach ($std_wl_wpa_copy_fieldnames as $fieldname) {
$pconfig[$fieldname] = isset($a_interfaces[$if]['wireless']['wpa'][$fieldname]) ? $a_interfaces[$if]['wireless']['wpa'][$fieldname] : null;
}
$pconfig['ieee8021x'] = isset($a_interfaces[$if]['wireless']['wpa']['ieee8021x']['enable']);
$pconfig['rsn_preauth'] = isset($a_interfaces[$if]['wireless']['wpa']['rsn_preauth']);
$pconfig['mac_acl_enable'] = isset($a_interfaces[$if]['wireless']['wpa']['mac_acl_enable']);
$pconfig['wpa_strict_rekey'] = isset($a_interfaces[$if]['wireless']['wpa']['wpa_strict_rekey']);
$pconfig['wpa_enable'] = isset($a_interfaces[$if]['wireless']['wpa']['enable']);
}
if (is_array($a_interfaces[$if]['wireless']['wep']) && is_array($a_interfaces[$if]['wireless']['wep']['key'])) {
$i = 1;
foreach ($a_interfaces[$if]['wireless']['wep']['key'] as $wepkey) {
$pconfig['key' . $i] = $wepkey['value'];
if (isset($wepkey['txkey'])) {
$pconfig['txkey'] = $i;
}
$i++;
}
if (!isset($wepkey['txkey'])) {
$pconfig['txkey'] = 1;
}
}
}
} elseif ($_SERVER['REQUEST_METHOD'] === 'POST') {
$pconfig = $_POST;
$input_errors = array();
if (!empty($_POST['if']) && !empty($a_interfaces[$_POST['if']])) {
$if = $_POST['if'];
// read physcial interface name from config.xml
$pconfig['if'] = $a_interfaces[$if]['if'];
}
$ifgroup = !empty($_GET['group']) ? $_GET['group'] : '';
if (!empty($pconfig['apply'])) {
if (!is_subsystem_dirty('interfaces')) {
$intput_errors[] = gettext("You have already applied your settings!");
} else {
clear_subsystem_dirty('interfaces');
if (file_exists('/tmp/.interfaces.apply')) {
$toapplylist = unserialize(file_get_contents('/tmp/.interfaces.apply'));
foreach ($toapplylist as $ifapply => $ifcfgo) {
interface_bring_down($ifapply, $ifcfgo);
interface_configure(false, $ifapply, true);
}
system_routing_configure();
plugins_configure('monitor');
filter_configure();
foreach ($toapplylist as $ifapply => $ifcfgo) {
plugins_configure('newwanip', false, array($ifapply));
}
rrd_configure();
}
}
@unlink('/tmp/.interfaces.apply');
if (!empty($ifgroup)) {
header(url_safe('Location: /interfaces.php?if=%s&group=%s', array($if, $ifgroup)));
} else {
header(url_safe('Location: /interfaces.php?if=%s', array($if)));
}
exit;
} elseif (empty($pconfig['enable'])) {
if (isset($a_interfaces[$if]['enable'])) {
unset($a_interfaces[$if]['enable']);
}
if (!empty($pconfig['lock'])) {
$a_interfaces[$if]['lock'] = true;
} elseif (isset($a_interfaces[$if]['lock'])) {
unset($a_interfaces[$if]['lock']);
}
if (isset($a_interfaces[$if]['wireless'])) {
interface_sync_wireless_clones($a_interfaces[$if], false);
}
$a_interfaces[$if]['descr'] = preg_replace('/[^a-z_0-9]/i', '', $pconfig['descr']);
write_config("Interface {$pconfig['descr']}({$if}) is now disabled.");
mark_subsystem_dirty('interfaces');
if (file_exists('/tmp/.interfaces.apply')) {
$toapplylist = unserialize(file_get_contents('/tmp/.interfaces.apply'));
} else {
$toapplylist = array();
}
if (empty($toapplylist[$if])) {
// only flush if the running config is not in our list yet
$toapplylist[$if]['ifcfg'] = $a_interfaces[$if];
$toapplylist[$if]['ifcfg']['realif'] = get_real_interface($if);
$toapplylist[$if]['ifcfg']['realifv6'] = get_real_interface($if, "inet6");
$toapplylist[$if]['ppps'] = $a_ppps;
file_put_contents('/tmp/.interfaces.apply', serialize($toapplylist));
}
if (!empty($ifgroup)) {
header(url_safe('Location: /interfaces.php?if=%s&group=%s', array($if, $ifgroup)));
} else {
header(url_safe('Location: /interfaces.php?if=%s', array($if)));
}
exit;
} else {
// locate sequence in ppp list
$pppid = count($a_ppps);
foreach ($a_ppps as $key => $ppp) {
if ($a_interfaces[$if]['if'] == $ppp['if']) {
$pppid = $key;
break;
}
}
$old_ppps = $a_ppps;
foreach ($ifdescrs as $ifent => $ifcfg) {
if ($if != $ifent && $ifcfg['descr'] == $pconfig['descr']) {
$input_errors[] = gettext("An interface with the specified description already exists.");
break;
}
}
if (isset($config['dhcpd']) && isset($config['dhcpd'][$if]['enable']) && !preg_match('/^staticv4/', $pconfig['type'])) {
$input_errors[] = gettext("The DHCP Server is active on this interface and it can be used only with a static IP configuration. Please disable the DHCP Server service on this interface first, then change the interface configuration.");
}
if (isset($config['dhcpdv6']) && isset($config['dhcpdv6'][$if]['enable']) && !preg_match('/^staticv6/', $pconfig['type6']) && !isset($pconfig['dhcpd6track6allowoverride'])) {
$input_errors[] = gettext("The DHCPv6 Server is active on this interface and it can be used only with a static IPv6 configuration. Please disable the DHCPv6 Server service on this interface first, then change the interface configuration.");
}
if ($pconfig['type'] != 'none' || $pconfig['type6'] != 'none') {
foreach (plugins_devices() as $device) {
if (!isset($device['configurable']) || $device['configurable'] == true) {
continue;
}
if (preg_match('/' . $device['pattern'] . '/', $pconfig['if'])) {
$input_errors[] = gettext('Cannot assign an IP configuration type to a tunnel interface.');
}
}
}
switch ($pconfig['type']) {
case "staticv4":
$reqdfields = explode(" ", "ipaddr subnet gateway");
$reqdfieldsn = array(gettext("IPv4 address"),gettext("Subnet bit count"),gettext("Gateway"));
do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);
break;
case "none":
if (isset($config['virtualip']['vip'])) {
foreach ($config['virtualip']['vip'] as $vip) {
if (is_ipaddrv4($vip['subnet']) && $vip['interface'] == $if) {
$input_errors[] = gettext("This interface is referenced by IPv4 VIPs. Please delete those before setting the interface to 'none' configuration.");
}
}
}
break;
case "dhcp":
if (!empty($pconfig['adv_dhcp_config_file_override'] && !file_exists($pconfig['adv_dhcp_config_file_override_path']))) {
$input_errors[] = sprintf(gettext('The DHCP override file "%s" does not exist.'), $pconfig['adv_dhcp_config_file_override_path']);
}
break;
case "ppp":
$reqdfields = explode(" ", "ports phone");
$reqdfieldsn = array(gettext("Modem Port"),gettext("Phone Number"));
do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);
break;
case "pppoe":
if (!empty($pconfig['pppoe_dialondemand'])) {
$reqdfields = explode(" ", "pppoe_username pppoe_password pppoe_dialondemand pppoe_idletimeout");
$reqdfieldsn = array(gettext("PPPoE username"),gettext("PPPoE password"),gettext("Dial on demand"),gettext("Idle timeout value"));
} else {
$reqdfields = explode(" ", "pppoe_username pppoe_password");
$reqdfieldsn = array(gettext("PPPoE username"),gettext("PPPoE password"));
}
do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);
break;
case "pptp":
if (!empty($pconfig['pptp_dialondemand'])) {
$reqdfields = explode(" ", "pptp_username pptp_password localip pptp_subnet pptp_remote pptp_dialondemand pptp_idletimeout");
$reqdfieldsn = array(gettext("PPTP username"),gettext("PPTP password"),gettext("PPTP local IP address"),gettext("PPTP subnet"),gettext("PPTP remote IP address"),gettext("Dial on demand"),gettext("Idle timeout value"));
} else {
$reqdfields = explode(" ", "pptp_username pptp_password localip pptp_subnet pptp_remote");
$reqdfieldsn = array(gettext("PPTP username"),gettext("PPTP password"),gettext("PPTP local IP address"),gettext("PPTP subnet"),gettext("PPTP remote IP address"));
}
do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);
break;
case "l2tp":
if (!empty($pconfig['pptp_dialondemand'])) {
$reqdfields = explode(" ", "pptp_username pptp_password pptp_remote pptp_dialondemand pptp_idletimeout");
$reqdfieldsn = array(gettext("L2TP username"),gettext("L2TP password"),gettext("L2TP remote IP address"),gettext("Dial on demand"),gettext("Idle timeout value"));
} else {
$reqdfields = explode(" ", "pptp_username pptp_password pptp_remote");
$reqdfieldsn = array(gettext("L2TP username"),gettext("L2TP password"),gettext("L2TP remote IP address"));
}
do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);
break;
}
switch ($pconfig['type6']) {
case "staticv6":
$reqdfields = explode(" ", "ipaddrv6 subnetv6 gatewayv6");
$reqdfieldsn = array(gettext("IPv6 address"),gettext("Subnet bit count"),gettext("Gateway"));
do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);
break;
case "dhcp6":
if (!empty($pconfig['adv_dhcp6_config_file_override'] && !file_exists($pconfig['adv_dhcp6_config_file_override_path']))) {
$input_errors[] = sprintf(gettext('The DHCPv6 override file "%s" does not exist.'), $pconfig['adv_dhcp6_config_file_override_path']);
}
break;
case "none":
if (isset($config['virtualip']['vip'])) {
foreach ($config['virtualip']['vip'] as $vip) {
if (is_ipaddrv6($vip['subnet']) && $vip['interface'] == $if) {
$input_errors[] = gettext("This interface is referenced by IPv6 VIPs. Please delete those before setting the interface to 'none' configuration.");
}
}
}
break;
case '6rd':
if (empty($pconfig['gateway-6rd']) || !is_ipaddrv4($pconfig['gateway-6rd'])) {
$input_errors[] = gettext('6RD border relay gateway must be a valid IPv4 address.');
}
if (empty($pconfig['prefix-6rd']) || !is_subnetv6($pconfig['prefix-6rd'])) {
$input_errors[] = gettext('6RD prefix must be a valid IPv6 subnet.');
}
if (!empty($pconfig['prefix-6rd-v4addr']) && !is_ipaddrv4($pconfig['prefix-6rd-v4addr'])) {
$input_errors[] = gettext('6RD IPv4 prefix address must be a valid IPv4 address.');
}
if (!is_numeric($pconfig['prefix-6rd-v4plen'])) {
$input_errors[] = gettext('6RD IPv4 prefix length must be a number.');
}
foreach (array_keys($ifdescrs) as $ifent) {
if ($if != $ifent && ($config['interfaces'][$ifent]['ipaddrv6'] == $pconfig['type6'])) {
if ($config['interfaces'][$ifent]['prefix-6rd'] == $pconfig['prefix-6rd']) {
$input_errors[] = gettext("You can only have one interface configured in 6rd with same prefix.");
break;
}
}
}
break;
case "6to4":
foreach (array_keys($ifdescrs) as $ifent) {
if ($if != $ifent && ($config['interfaces'][$ifent]['ipaddrv6'] == $pconfig['type6'])) {
$input_errors[] = sprintf(gettext("You can only have one interface configured as 6to4."), $pconfig['type6']);
break;
}
}
break;
case "track6":
if (!empty($pconfig['track6-prefix-id--hex']) && !ctype_xdigit($pconfig['track6-prefix-id--hex'])) {
$input_errors[] = gettext("You must enter a valid hexadecimal number for the IPv6 prefix ID.");
} elseif (!empty($pconfig['track6-interface'])) {
$ipv6_delegation_length = calculate_ipv6_delegation_length($pconfig['track6-interface']);
if ($ipv6_delegation_length >= 0) {
$ipv6_num_prefix_ids = pow(2, $ipv6_delegation_length);
$track6_prefix_id = intval($pconfig['track6-prefix-id--hex'], 16);
if ($track6_prefix_id < 0 || $track6_prefix_id >= $ipv6_num_prefix_ids) {
$input_errors[] = gettext("You specified an IPv6 prefix ID that is out of range.");
}
foreach (link_interface_to_track6($pconfig['track6-interface']) as $trackif => $trackcfg) {
if ($trackif != $if && $trackcfg['track6-prefix-id'] == $track6_prefix_id) {
$input_errors[] = gettext('You specified an IPv6 prefix ID that is already in use.');
break;
}
}
}
}
break;
}
/* normalize MAC addresses - lowercase and convert Windows-ized hyphenated MACs to colon delimited */
$staticroutes = get_staticroutes(true);
if (!empty($pconfig['ipaddr'])) {
if (!is_ipaddrv4($pconfig['ipaddr'])) {
$input_errors[] = gettext("A valid IPv4 address must be specified.");
} else {
if (is_ipaddr_configured($pconfig['ipaddr'], $if)) {
$input_errors[] = gettext("This IPv4 address is being used by another interface or VIP.");
}
/* Do not accept network or broadcast address, except if subnet is 31 or 32 */
if ($pconfig['subnet'] < 31) {
if ($pconfig['ipaddr'] == gen_subnet($pconfig['ipaddr'], $pconfig['subnet'])) {
$input_errors[] = gettext("This IPv4 address is the network address and cannot be used");
} elseif ($pconfig['ipaddr'] == gen_subnet_max($pconfig['ipaddr'], $pconfig['subnet'])) {
$input_errors[] = gettext("This IPv4 address is the broadcast address and cannot be used");
}
}
foreach ($staticroutes as $route_subnet) {
list($network, $subnet) = explode("/", $route_subnet);
if ($pconfig['subnet'] == $subnet && $network == gen_subnet($pconfig['ipaddr'], $pconfig['subnet'])) {
$input_errors[] = gettext("This IPv4 address conflicts with a Static Route.");
break;
}
unset($network, $subnet);
}
}
}
if (!empty($pconfig['ipaddrv6'])) {
if (!is_ipaddrv6($pconfig['ipaddrv6'])) {
$input_errors[] = gettext("A valid IPv6 address must be specified.");
} else {
if (is_ipaddr_configured($pconfig['ipaddrv6'], $if)) {
$input_errors[] = gettext("This IPv6 address is being used by another interface or VIP.");
}
foreach ($staticroutes as $route_subnet) {
list($network, $subnet) = explode("/", $route_subnet);
if ($pconfig['subnetv6'] == $subnet && $network == gen_subnetv6($pconfig['ipaddrv6'], $pconfig['subnetv6'])) {
$input_errors[] = gettext("This IPv6 address conflicts with a Static Route.");
break;
}
unset($network, $subnet);
}
}
}
if (!empty($pconfig['subnet']) && !is_numeric($pconfig['subnet'])) {
$input_errors[] = gettext("A valid subnet bit count must be specified.");
}
if (!empty($pconfig['subnetv6']) && !is_numeric($pconfig['subnetv6'])) {
$input_errors[] = gettext("A valid subnet bit count must be specified.");
}
if (!empty($pconfig['alias-address']) && !is_ipaddrv4($pconfig['alias-address'])) {
$input_errors[] = gettext("A valid alias IP address must be specified.");
}
if (!empty($pconfig['alias-subnet']) && !is_numeric($pconfig['alias-subnet'])) {
$input_errors[] = gettext("A valid alias subnet bit count must be specified.");
}
if (!empty($pconfig['dhcprejectfrom']) && !is_ipaddrv4($pconfig['dhcprejectfrom'])) {
$input_errors[] = gettext("A valid alias IP address must be specified to reject DHCP Leases from.");
}
if ($pconfig['gateway'] != "none" || $pconfig['gatewayv6'] != "none") {
$match = false;
if (!empty($config['gateways']['gateway_item'])) {
foreach($config['gateways']['gateway_item'] as $gateway) {
if (in_array($pconfig['gateway'], $gateway)) {
$match = true;
}
}
foreach($config['gateways']['gateway_item'] as $gateway) {
if (in_array($pconfig['gatewayv6'], $gateway)) {
$match = true;
}
}
}
if (!$match) {
$input_errors[] = gettext("A valid gateway must be specified.");
}
}
if (!empty($pconfig['provider']) && !is_domain($pconfig['provider'])){
$input_errors[] = gettext("The service name contains invalid characters.");
}
if (!empty($pconfig['pppoe_idletimeout']) && !is_numericint($pconfig['pppoe_idletimeout'])) {
$input_errors[] = gettext("The idle timeout value must be an integer.");
}
if (!empty($pconfig['localip']) && !is_ipaddrv4($pconfig['localip'])) {
$input_errors[] = gettext("A valid PPTP local IP address must be specified.");
}
if (!empty($pconfig['pptp_subnet']) && !is_numeric($pconfig['pptp_subnet'])) {
$input_errors[] = gettext("A valid PPTP subnet bit count must be specified.");
}
if (!empty($pconfig['pptp_remote']) && !is_ipaddrv4($pconfig['pptp_remote']) && !is_hostname($pconfig['gateway'][$iface])) {
$input_errors[] = gettext("A valid PPTP remote IP address must be specified.");
}
if (!empty($pconfig['pptp_idletimeout']) && !is_numericint($pconfig['pptp_idletimeout'])) {
$input_errors[] = gettext("The idle timeout value must be an integer.");
}
if (!empty($pconfig['spoofmac']) && !is_macaddr($pconfig['spoofmac'])) {
$input_errors[] = gettext("A valid MAC address must be specified.");
}
if (!empty($pconfig['mtu'])) {
$mtu_low = 576;
$mtu_high = 65535;
if ($pconfig['mtu'] < $mtu_low || $pconfig['mtu'] > $mtu_high) {
$input_errors[] = sprintf(gettext('The MTU must be greater than %s bytes and less than %s.'), $mtu_low, $mtu_high);
}
if (stristr($a_interfaces[$if]['if'], "_vlan")) {
$parentif = get_parent_interface($a_interfaces[$if]['if'])[0];
$intf_details = legacy_interface_details($parentif);
if ($intf_details['mtu'] < $pconfig['mtu']) {
$input_errors[] = gettext("MTU of a vlan should not be bigger than parent interface.");
}
} else {
foreach ($config['interfaces'] as $idx => $ifdata) {
if (($idx == $if) || !preg_match('/_vlan[0-9]/', $ifdata['if'])) {
continue;
}
$realhwif_array = get_parent_interface($ifdata['if']);
// Need code to handle MLPPP if we ever use $realhwif for MLPPP handling
$parent_realhwif = $realhwif_array[0];
if ($parent_realhwif != $a_interfaces[$if]['if']) {
continue;
}
if (isset($ifdata['mtu']) && $ifdata['mtu'] > $pconfig['mtu']) {
$input_errors[] = sprintf(gettext("Interface %s (VLAN) has MTU set to a bigger value"), $ifdata['descr']);
}
}
}
}
if (!empty($pconfig['mss']) && $pconfig['mss'] < 576) {
$input_errors[] = gettext("The MSS must be greater than 576 bytes.");
}
/*
Wireless interface
*/
if (isset($a_interfaces[$if]['wireless'])) {
$reqdfields = array("mode");
$reqdfieldsn = array(gettext("Mode"));
if ($pconfig['mode'] == 'hostap') {
$reqdfields[] = "ssid";
$reqdfieldsn[] = gettext("SSID");
}
do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);
// check_wireless_mode (more wireless weirness)
// validations shouldn't perform actual actions, needs serious fixing at some point
if ($a_interfaces[$if]['wireless']['mode'] != $pconfig['mode']) {
if (does_interface_exist(interface_get_wireless_clone($wlanbaseif))) {
$clone_count = 1;
} else {
$clone_count = 0;
}
if (!empty($config['wireless']['clone'])) {
foreach ($config['wireless']['clone'] as $clone) {
if ($clone['if'] == $wlanbaseif) {
$clone_count++;
}
}
}
if ($clone_count > 1) {
$wlanif = get_real_interface($if);
$old_wireless_mode = $a_interfaces[$if]['wireless']['mode'];
$a_interfaces[$if]['wireless']['mode'] = $pconfig['mode'];
if (!interface_wireless_clone("{$wlanif}_", $a_interfaces[$if])) {
$input_errors[] = sprintf(gettext("Unable to change mode to %s. You may already have the maximum number of wireless clones supported in this mode."), $wlan_modes[$a_interfaces[$if]['wireless']['mode']]);
} else {
mwexec("/sbin/ifconfig " . escapeshellarg($wlanif) . "_ destroy");
}
}
}
/* loop through keys and enforce size */
for ($i = 1; $i <= 4; $i++) {
if ($pconfig['key' . $i]) {
if (strlen($pconfig['key' . $i]) == 5) {
/* 64 bit */
continue;
} elseif (strlen($pconfig['key' . $i]) == 10) {
/* hex key */
if (stristr($pconfig['key' . $i], "0x") == false) {
$pconfig['key' . $i] = "0x" . $pconfig['key' . $i];
}
continue;
} elseif (strlen($pconfig['key' . $i]) == 12) {
/* hex key */
if (stristr($pconfig['key' . $i], "0x") == false) {
$pconfig['key' . $i] = "0x" . $pconfig['key' . $i];
}
continue;
} elseif (strlen($pconfig['key' . $i]) == 13) {
/* 128 bit */
continue;
} elseif (strlen($pconfig['key' . $i]) == 26) {
/* hex key */
if (stristr($pconfig['key' . $i], "0x") == false)
$_POST['key' . $i] = "0x" . $pconfig['key' . $i];
continue;
} elseif (strlen($pconfig['key' . $i]) == 28) {
continue;
} else {
$input_errors[] = gettext("Invalid WEP key size. Sizes should be 40 (64) bit keys or 104 (128) bit.");
}
}
}
if (!empty($pconfig['passphrase'])) {
$passlen = strlen($pconfig['passphrase']);
if ($passlen < 8 || $passlen > 63) {
$input_errors[] = gettext("The length of the passphrase should be between 8 and 63 characters.");
}
}
}
// save form data
if (count($input_errors) == 0) {
$old_config = $a_interfaces[$if];
// retrieve our interface names before anything changes
$old_config['realif'] = get_real_interface($if);
$old_config['realifv6'] = get_real_interface($if, "inet6");