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90 lines
3.2 KiB
PHP
Executable File
90 lines
3.2 KiB
PHP
Executable File
#!/usr/local/bin/php
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<?php
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/*
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* Copyright (C) 2024 Deciso B.V.
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* All rights reserved.
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*
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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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*
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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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*
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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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*
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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_once 'config.inc';
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require_once 'interfaces.inc';
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require_once 'util.inc';
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require_once 'system.inc';
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/* gather all relevant gre interfaces*/
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$gres_todo = [];
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$vfilename = '/tmp/.gre.todo';
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if (file_exists($vfilename) && filesize($vfilename) > 0) {
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$handle = fopen($vfilename, 'r+');
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if (flock($handle, LOCK_EX)) {
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fseek($handle, 0);
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foreach (explode("\n", fread($handle, filesize($vfilename))) as $line) {
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if (!isset($gres_todo[$line]) && trim($line) != '') {
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$gres_todo[$line] = [];
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}
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}
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fseek($handle, 0);
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ftruncate($handle, 0);
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flock($handle, LOCK_UN);
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}
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}
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/* collect changed gres to reconfigure */
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$gre_configure = [];
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foreach ((new OPNsense\Interfaces\Gre())->gre->iterateItems() as $item) {
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$gre = [];
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foreach ($item->iterateItems() as $node) {
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$gre[$node->getInternalXMLTagName()] = (string)$node;
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}
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if (isset($gres_todo[$gre['greif']])) {
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$gre_configure[] = $gre;
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unset($gres_todo[$gre['greif']]);
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}
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}
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/* remove non existing interfaces */
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foreach (array_keys($gres_todo) as $greif) {
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legacy_interface_destroy($greif);
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}
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/*
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reconfigure still existing gres,
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removal should happen first as it may free parent interfaces.
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*/
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$ifdetails = legacy_interfaces_details();
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foreach ($gre_configure as $gre) {
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$reconfigure = false;
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if (isset($ifdetails[$gre['greif']])) {
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/* when reconfiguring, we need to remove addresses (at least for IPv6) to prevent old ones left behind */
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$reconfigure = true;
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interfaces_addresses_flush($gre['greif'], 4, $ifdetails);
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interfaces_addresses_flush($gre['greif'], 6, $ifdetails);
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}
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_interfaces_gre_configure($gre);
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if ($reconfigure) {
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/* re-apply additional addresses and hook routing */
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interfaces_restart_by_device(false, [$gre['greif']]);
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}
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}
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