<?php
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/*
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Copyright (c) 2007-2011, Till Brehm, projektfarm Gmbh and Oliver Vogel www.muv.com
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* 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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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of ISPConfig nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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class webserver_plugin {
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var $plugin_name = 'webserver_plugin';
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var $class_name = 'webserver_plugin';
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/**
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* This function is called during ispconfig installation to determine
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* if a symlink shall be created for this plugin.
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*/
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public function onInstall() {
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global $conf;
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if($conf['services']['web'] == true) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* This function is called when the module is loaded
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*/
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public function onLoad() {
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global $app;
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$app->plugins->registerAction('server_plugins_loaded', $this->plugin_name, 'check_phpini_changes');
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}
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/**
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* This function is called when a change in one of the registered tables is detected.
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* The function then raises the events for the plugins.
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*/
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public function process($tablename, $action, $data) {
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// not needed
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}
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/**
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* The method checks for a change of a php.ini file
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*/
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public function check_phpini_changes() {
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global $app, $conf;
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//** check if the main php.ini of the system changed so we need to regenerate all custom php.inis
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$app->uses('getconf');
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//** files to check
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$check_files = array();
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$web_config = $app->getconf->get_server_config($conf['server_id'], 'web');
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$fastcgi_config = $app->getconf->get_server_config($conf['server_id'], 'fastcgi');
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if($web_config['php_ini_check_minutes'] == 0 || @date('i') % $web_config['php_ini_check_minutes'] != 0) {
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$app->log('Info: php.ini change checking not enabled or not in this minute: ' . $web_config['php_ini_check_minutes'], LOGLEVEL_DEBUG);
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return; // do not process
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}
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//** add default php.ini files to check
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$check_files[] = array('file' => $web_config['php_ini_path_apache'],
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'mode' => 'mod',
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'php_version' => ''); // default;
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$check_files[] = array('file' => $web_config['php_ini_path_cgi'],
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'mode' => '', // all but 'mod' and 'fast-cgi'
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'php_version' => ''); // default;
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if($fastcgi_config["fastcgi_phpini_path"] && $fastcgi_config["fastcgi_phpini_path"] != $web_config['php_ini_path_cgi']) {
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$check_files[] = array('file' => $fastcgi_config["fastcgi_phpini_path"],
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'mode' => 'fast-cgi',
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'php_version' => ''); // default;
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} else {
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$check_files[] = array('file' => $web_config['php_ini_path_cgi'],
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'mode' => 'fast-cgi', // all but 'mod'
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'php_version' => ''); // default;
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}
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//** read additional php versions of this server
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$php_versions = $app->db->queryAllRecords('SELECT server_php_id, php_fastcgi_ini_dir, php_fpm_ini_dir FROM server_php WHERE server_id = ?', $conf['server_id']);
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foreach($php_versions as $php) {
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if($php['php_fastcgi_ini_dir'] && $php['php_fastcgi_ini_dir'] . '/php.ini' != $web_config['php_ini_path_cgi']) {
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$check_files[] = array('file' => $php['php_fastcgi_ini_dir'] . '/php.ini',
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'mode' => 'fast-cgi',
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'php_version' => $php['php_fastcgi_ini_dir']);
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} elseif($php['php_fpm_ini_dir'] && $php['php_fpm_ini_dir'] . '/php.ini' != $web_config['php_ini_path_cgi']) {
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$check_files[] = array('file' => $php['php_fpm_ini_dir'] . '/php.ini',
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'mode' => 'php-fpm',
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'php_version' => $php['php_fpm_ini_dir']);
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}
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}
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unset($php_versions);
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//** read md5sum status file
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$new_php_ini_md5 = array();
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$php_ini_md5 = array();
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$php_ini_changed = false;
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$rewrite_ini_files = false;
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if(file_exists(SCRIPT_PATH . '/temp/php.ini.md5sum')) {
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$rewrite_ini_files = true;
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$php_ini_md5 = unserialize(base64_decode(trim($app->system->file_get_contents(SCRIPT_PATH . '/temp/php.ini.md5sum'))));
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}
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if(!is_array($php_ini_md5)) $php_ini_md5 = array();
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$processed = array();
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foreach($check_files as $file) {
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$file_path = $file['file'];
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if(substr($file_path, -8) !== '/php.ini') $file_path .= (substr($file_path, -1) !== '/' ? '/' : '') . 'php.ini';
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if(!file_exists($file_path)) continue;
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//** check if this php.ini file was already processed (if additional php version uses same php.ini)
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$ident = $file_path . '::' . $file['mode'] . '::' . $file['php_version'];
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if(in_array($ident, $processed) == true) continue;
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$processed[] = $ident;
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//** check if md5sum of file changed
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$file_md5 = md5_file($file_path);
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if(array_key_exists($file_path, $php_ini_md5) == false || $php_ini_md5[$file_path] != $file_md5) {
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$php_ini_changed = true;
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$app->log('Info: PHP.ini changed: ' . $file_path . ', mode ' . $file['mode'] . ' vers ' . $file['php_version'] . '.', LOGLEVEL_DEBUG);
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// raise action for this file
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if($rewrite_ini_files == true) $app->plugins->raiseAction('php_ini_changed', $file);
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}
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$new_php_ini_md5[$file_path] = $file_md5;
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}
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//** write new md5 sums if something changed
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if($php_ini_changed == true) $app->system->file_put_contents(SCRIPT_PATH . '/temp/php.ini.md5sum', base64_encode(serialize($new_php_ini_md5)));
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unset($new_php_ini_md5);
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unset($php_ini_md5);
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unset($processed);
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}
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}
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?>
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