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<?php
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/*
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* interfaces_fast.inc
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*
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* part of pfSense (https://www.pfsense.org)
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* Copyright (c) 2004-2013 BSD Perimeter
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* Copyright (c) 2013-2016 Electric Sheep Fencing
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* Copyright (c) 2014-2020 Rubicon Communications, LLC (Netgate)
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* Copyright (c) 2017 Peter Schofield (parts of this file)
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* All rights reserved.
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*
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* originally based on m0n0wall (http://m0n0.ch/wall)
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* Copyright (c) 2004 Manuel Kasper <mk@neon1.net>.
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* All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*
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* This file contains rewrites of several functions, from both interfaces.inc
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* and interfaces_assign.php. The general purpose of these rewrites is not
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* necessarily to be faster in and of themselves, though they may be, but to
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* replace functions called multiple times with a function that's called only
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* once. This results in a significant speedup because there are far fewer
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* function calls, fewer loops and suchlike. It does, however, increase memory
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* usage somewhat, but it shouldn't be significant in the grand scheme of things.
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*
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*
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* Functions in this file may not require/use parameters when called, however
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* in most cases they will accept parameters as per their original forms, for
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* consistency.
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*/
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require_once('interfaces.inc');
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/*
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* does_interface_exist_fast
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Returns an array of interfaces which exist on the system.
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The $interface parameter is not used, but is accepted for
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consistency with the function it replaces.
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*/
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function does_interface_exist_fast($interface='', $flush = true) {
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global $config;
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$ints = get_interface_arr($flush);
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return array_flip($ints);
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}
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/*
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* convert_real_interface_to_friendly_interface_name_fast($interface): convert fxp0 -> wan, etc.
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Returns an array of interfaces and friendly names.
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*/
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function convert_real_interface_to_friendly_interface_name_fast() {
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global $config;
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$out = array();
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/* XXX: For speed reasons reference directly the interface array */
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init_config_arr(array('interfaces'));
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$ifdescrs = &$config['interfaces'];
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$iffriendlynames = array_keys($ifdescrs);
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$out = array_flip(get_real_interface_fast($iffriendlynames));
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return $out;
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}
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/*
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* get_real_interface_fast($interfaces, ...)
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* Exactly the same as it's namesake, except it takes an array of interfaces and returns an array
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*
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*/
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function get_real_interface_fast($interfaces = array(), $family = "all", $realv6iface = false, $flush = true) {
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global $config, $g;
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$existing_ifs = does_interface_exist_fast();
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$out = array();
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foreach ($interfaces as $interface) {
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$wanif = NULL;
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switch ($interface) {
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case "l2tp":
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$wanif = "l2tp";
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break;
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case "pptp":
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$wanif = "pptp";
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break;
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case "pppoe":
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$wanif = "pppoe";
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break;
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case "openvpn":
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$wanif = "openvpn";
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break;
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case "IPsec":
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case "ipsec":
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case "enc0":
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$wanif = "enc0";
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break;
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case "ppp":
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$wanif = "ppp";
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break;
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default:
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if (substr($interface, 0, 4) == '_vip') {
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$wanif = get_configured_vip_interface($interface);
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if (!empty($wanif)) {
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$wanif = get_real_interface($wanif);
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}
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break;
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} else if (substr($interface, 0, 5) == '_lloc') {
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$interface = substr($interface, 5);
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} else if (strstr($interface, "_vlan") || isset($existing_ifs[$interface])) {
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/*
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* If a real interface was already passed simply
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* pass the real interface back. This encourages
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* the usage of this function in more cases so that
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* we can combine logic for more flexibility.
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*/
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$wanif = $interface;
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break;
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}
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if (empty($config['interfaces'][$interface])) {
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break;
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}
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$cfg = &$config['interfaces'][$interface];
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if ($family == "inet6") {
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switch ($cfg['ipaddrv6']) {
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case "6rd":
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case "6to4":
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$wanif = "{$interface}_stf";
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break;
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case 'pppoe':
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case 'ppp':
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case 'l2tp':
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case 'pptp':
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if (is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if'])) {
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$wanif = interface_get_wireless_clone($cfg['if']);
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} else {
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$wanif = $cfg['if'];
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}
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break;
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default:
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switch ($cfg['ipaddr']) {
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case 'pppoe':
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case 'ppp':
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case 'l2tp':
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case 'pptp':
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if (isset($cfg['dhcp6usev4iface']) && $realv6iface === false) {
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$wanif = $cfg['if'];
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} else {
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$parents = get_parent_interface($interface);
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if (!empty($parents[0])) {
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$wanif = $parents[0];
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} else {
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$wanif = $cfg['if'];
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}
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}
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break;
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default:
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if (is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if'])) {
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$wanif = interface_get_wireless_clone($cfg['if']);
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} else {
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$wanif = $cfg['if'];
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}
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break;
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}
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break;
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}
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} else {
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// Wireless cloned NIC support (FreeBSD 8+)
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// interface name format: $parentnic_wlanparentnic#
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// example: ath0_wlan0
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if (is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if'])) {
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$wanif = interface_get_wireless_clone($cfg['if']);
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} else {
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$wanif = $cfg['if'];
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}
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}
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break;
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}
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$out[$interface] = $wanif;
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}
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return $out;
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}
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/*
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* interface_assign_description_fast($portlist, $friendlyifnames)
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*
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* This function replaces the function defined in interfaces_assign.php
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*
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* I created this version of the function because in interfaces_assign.php
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* the interface_assign_description() function is used twice, in both cases
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* being called for every iteration through the array of interfaces, and
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* was seemingly dragging the performance of the HTML generation code down
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* when faced with a large number of VLAN interfaces.
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*
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* Although this function internally recreates the loop that its namesake was
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* called in; the fact it's only called once rather than once per interface * 2
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* has resulted in a significant speed gain with a large number of optional
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* interfaces configured.
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*
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* $portlist is the same $portlist as defined in interfaces_assign.php, call this
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* function after all the optional interfaces are added to $portlist.
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*
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* $friendlyifnames is a global variable of my own making, created by calling
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* convert_real_interface_to_friendly_interface_name_fast() on the keys of $portlist.
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*
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* Return value of this function is an associative array of interface descriptions
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* indexed by the unique name of the interface.
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*
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*/
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function interface_assign_description_fast($portlist, $friendlyifnames) {
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global $ovpn_descrs, $ipsec_descrs;
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$out = array();
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$gettext = gettext('on');
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foreach($portlist as $portname => $portinfo) {
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if ($portinfo['isvlan']) {
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$descr = sprintf('VLAN %1$s '.$gettext.' %2$s', $portinfo['tag'], $portinfo['if']);
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$iface = $friendlyifnames[$portinfo['if']];
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if (isset($iface) && strlen($iface) > 0) {
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$descr .= " - $iface";
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}
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if ($portinfo['descr']) {
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$descr .= " (" . $portinfo['descr'] . ")";
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}
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} elseif ($portinfo['iswlclone']) {
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$descr = $portinfo['cloneif'];
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if ($portinfo['descr']) {
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$descr .= " (" . $portinfo['descr'] . ")";
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}
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} elseif ($portinfo['isppp']) {
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$descr = $portinfo['descr'];
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} elseif ($portinfo['isbridge']) {
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$descr = strtoupper($portinfo['bridgeif']);
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if ($portinfo['descr']) {
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$descr .= " (" . $portinfo['descr'] . ")";
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}
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} elseif ($portinfo['isgre']) {
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$descr = "GRE {$portinfo['remote-addr']}";
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if ($portinfo['descr']) {
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$descr .= " (" . $portinfo['descr'] . ")";
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}
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} elseif ($portinfo['isgif']) {
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$descr = "GIF {$portinfo['remote-addr']}";
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if ($portinfo['descr']) {
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$descr .= " (" . $portinfo['descr'] . ")";
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}
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} elseif ($portinfo['isvxlan']) {
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$descr = "VXLAN {$portinfo['remote-addr']}";
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if ($portinfo['descr']) {
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$descr .= " (" . $portinfo['descr'] . ")";
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}
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} elseif ($portinfo['islagg']) {
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$descr = strtoupper($portinfo['laggif']);
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if ($portinfo['descr']) {
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$descr .= " (" . $portinfo['descr'] . ")";
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}
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} elseif ($portinfo['isqinq']) {
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$descr = $portinfo['descr'];
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} elseif (substr($portname, 0, 4) == 'ovpn') {
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$descr = $portname . " (" . $ovpn_descrs[substr($portname, 5)] . ")";
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} elseif (substr($portname, 0, 5) == 'ipsec') {
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$descr = $portname . " (" . $ipsec_descrs[$portname] . ")";
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} else {
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$descr = $portname . " (" . $portinfo['mac'] . ")";
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}
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$out[$portname] = htmlspecialchars($descr);
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}
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return $out;
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}
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?>
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