<?php
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/*
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Copyright (c) 2007-2011, Till Brehm, projektfarm Gmbh
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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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define('SCRIPT_PATH', dirname($_SERVER["SCRIPT_FILENAME"]));
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require(SCRIPT_PATH."/lib/config.inc.php");
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require(SCRIPT_PATH."/lib/app.inc.php");
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set_time_limit(0);
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ini_set('error_reporting', E_ALL & ~E_NOTICE);
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// make sure server_id is always an int
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$conf['server_id'] = intval($conf['server_id']);
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/*
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* Try to Load the server configuration from the master-db
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*/
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if ($app->dbmaster->connect()) {
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$server_db_record = $app->dbmaster->queryOneRecord("SELECT * FROM server WHERE server_id = " . $conf['server_id']);
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$conf['last_datalog_id'] = (int) $server_db_record['updated'];
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$conf['mirror_server_id'] = (int) $server_db_record['mirror_server_id'];
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// Load the ini_parser
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$app->uses('ini_parser');
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// Get server configuration
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$conf['serverconfig'] = $app->ini_parser->parse_ini_string(stripslashes($server_db_record['config']));
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// Set the loglevel
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$conf['log_priority'] = intval($conf['serverconfig']['server']['loglevel']);
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// we do not need this variable anymore
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unset($server_db_record);
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/*
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* Save the rescue-config, maybe we need it (because the database is down)
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*/
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$tmp['serverconfig']['server']['loglevel'] = $conf['log_priority'];
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$tmp['serverconfig']['rescue'] = $conf['serverconfig']['rescue'];
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file_put_contents(dirname(__FILE__) . "/temp/rescue_module_serverconfig.ser.txt", serialize($tmp));
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unset($tmp);
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// protect the file
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chmod(dirname(__FILE__) . "/temp/rescue_module_serverconfig.ser.txt", 0600);
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} else {
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/*
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* The master-db is not available.
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* Problem: because we need to start the rescue-module (to rescue the DB if this IS the
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* server, the master-db is running at) we have to initialize some config...
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*/
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/*
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* If there is a temp-file with the data we could get from the database, then we use it
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*/
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$tmp = array();
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if (file_exists(dirname(__FILE__) . "/temp/rescue_module_serverconfig.ser.txt")){
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$tmp = unserialize(file_get_contents(dirname(__FILE__) . "/temp/rescue_module_serverconfig.ser.txt"));
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}
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// maxint at 32 and 64 bit systems
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$conf['last_datalog_id'] = intval('9223372036854775807');
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// no mirror
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$conf['mirror_server_id'] = 0;
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// Set the loglevel
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$conf['log_priority'] = (isset($tmp['serverconfig']['server']['loglevel']))? $tmp['serverconfig']['server']['loglevel'] : LOGLEVEL_ERROR;
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/*
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* Set the configuration to rescue the database
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*/
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if (isset($tmp['serverconfig']['rescue'])){
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$conf['serverconfig']['rescue'] = $tmp['serverconfig']['rescue'];
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}
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else{
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$conf['serverconfig']['rescue']['try_rescue'] = 'n';
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}
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// we do not need this variable anymore
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unset($tmp);
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}
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// Check whether another instance of this script is already running
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if (is_file($conf['temppath'] . $conf['fs_div'] . '.ispconfig_lock')) {
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clearstatcache();
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for ($i = 0; $i < 120; $i++) { // Wait max. 1200 sec, then retry
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if (is_file($conf['temppath'] . $conf['fs_div'] . '.ispconfig_lock')) {
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exec("ps aux | grep '/usr/local/ispconfig/server/[s]erver.php' | wc -l", $check);
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if (intval($check[0]) > 1) { // 1 because this is 2nd instance!
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$app->log('There is already an instance of server.php running. Exiting.', LOGLEVEL_DEBUG);
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exit;
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}
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$app->log('There is already a lockfile set. Waiting another 10 seconds...', LOGLEVEL_DEBUG);
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sleep(10);
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clearstatcache();
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}
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}
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}
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// Set Lockfile
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@touch($conf['temppath'] . $conf['fs_div'] . '.ispconfig_lock');
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$app->log('Set Lock: ' . $conf['temppath'] . $conf['fs_div'] . '.ispconfig_lock', LOGLEVEL_DEBUG);
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/** Do we need to start the core-modules */
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$needStartCore = true;
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/*
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* Next we try to process the datalog
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*/
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if ($app->db->connect() && $app->dbmaster->connect()) {
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// Check if there is anything to update
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if ($conf['mirror_server_id'] > 0) {
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$tmp_rec = $app->dbmaster->queryOneRecord("SELECT count(server_id) as number from sys_datalog WHERE datalog_id > " . $conf['last_datalog_id'] . " AND (server_id = " . $conf['server_id'] . " OR server_id = " . $conf['mirror_server_id'] . " OR server_id = 0)");
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} else {
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$tmp_rec = $app->dbmaster->queryOneRecord("SELECT count(server_id) as number from sys_datalog WHERE datalog_id > " . $conf['last_datalog_id'] . " AND (server_id = " . $conf['server_id'] . " OR server_id = 0)");
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}
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$tmp_num_records = $tmp_rec['number'];
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unset($tmp_rec);
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if ($tmp_num_records > 0) {
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/*
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There is something to do, triggert by the database -> do it!
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*/
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// Write the Log
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$app->log("Found $tmp_num_records changes, starting update process.", LOGLEVEL_DEBUG);
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// Load required base-classes
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$app->uses('modules,plugins,file,services');
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// Load the modules that are in the mods-enabled folder
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$app->modules->loadModules('all');
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// Load the plugins that are in the plugins-enabled folder
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$app->plugins->loadPlugins('all');
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// Go through the sys_datalog table and call the processing functions
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// from the modules that are hooked on to the table actions
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$app->modules->processDatalog();
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// Restart services that need to after configuration
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$app->services->processDelayedActions();
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// All modules are already loaded and processed, so there is NO NEED to load the core once again...
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$needStartCore = false;
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}
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} else {
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if (!$app->db->connect()) {
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$app->log('Unable to connect to local server.' . $app->db->errorMessage, LOGLEVEL_WARN);
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} else {
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$app->log('Unable to connect to master server.' . $app->dbmaster->errorMessage, LOGLEVEL_WARN);
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}
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}
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/*
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* Under normal circumstances the system was loaded and all updates are done.
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* but if we do not have to update anything or if the database is not accessible, then we
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* have to start the core-system (if the database is accessible, we need the core because of the
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* monitoring. If the databse is NOT accessible, we need the core because of rescue the db...
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*/
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if ($needStartCore) {
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// Write the log
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$app->log('No Updated records found, starting only the core.', LOGLEVEL_DEBUG);
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// Load required base-classes
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$app->uses('modules,plugins,file,services');
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// Load the modules that are im the mods-core folder
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$app->modules->loadModules('core');
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// Load the plugins that are in the plugins-core folder
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$app->plugins->loadPlugins('core');
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}
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// Remove lock
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@unlink($conf['temppath'] . $conf['fs_div'] . '.ispconfig_lock');
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$app->log('Remove Lock: ' . $conf['temppath'] . $conf['fs_div'] . '.ispconfig_lock', LOGLEVEL_DEBUG);
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die("finished.\n");
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?>
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