<?php
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/*
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Copyright (c) 2007 - 2009, Till Brehm, projektfarm Gmbh
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Modified 2009, Marius Cramer, pixcept KG
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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 cron_plugin {
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var $plugin_name = 'cron_plugin';
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var $class_name = 'cron_plugin';
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// private variables
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var $action = '';
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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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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 plugin is loaded
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*/
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function onLoad() {
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global $app;
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/*
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Register for the events
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*/
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$app->plugins->registerEvent('cron_insert',$this->plugin_name,'insert');
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$app->plugins->registerEvent('cron_update',$this->plugin_name,'update');
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$app->plugins->registerEvent('cron_delete',$this->plugin_name,'delete');
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}
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function insert($event_name,$data) {
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global $app, $conf;
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$this->action = 'insert';
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// just run the update function
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$this->update($event_name,$data);
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}
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function update($event_name,$data) {
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global $app, $conf;
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if($this->action != 'insert') $this->action = 'update';
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// load the server configuration options
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$app->uses("getconf");
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if($data["new"]["parent_domain_id"] == '') {
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$app->log("Parent domain not set",LOGLEVEL_WARN);
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return 0;
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}
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//* get data from web
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$parent_domain = $app->db->queryOneRecord("SELECT `domain_id`, `system_user`, `system_group`, `document_root`, `hd_quota` FROM `web_domain` WHERE `domain_id` = ".intval($data["new"]["parent_domain_id"]));
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if(!$parent_domain["domain_id"]) {
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$app->log("Parent domain not found",LOGLEVEL_WARN);
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return 0;
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} elseif($parent_domain["system_user"] == 'root' or $parent_domain["system_group"] == 'root') {
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$app->log("Websites (and Crons) cannot be owned by the root user or group.",LOGLEVEL_WARN);
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return 0;
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}
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// Get the client ID
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$client = $app->dbmaster->queryOneRecord("SELECT client_id FROM sys_group WHERE sys_group.groupid = ".intval($data["new"]["sys_groupid"]));
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$client_id = intval($client["client_id"]);
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unset($client);
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// Create group and user, if not exist
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$app->uses("system");
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$groupname = escapeshellcmd($parent_domain["system_group"]);
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if($parent_domain["system_group"] != '' && !$app->system->is_group($parent_domain["system_group"])) {
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exec("groupadd $groupname");
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$app->log("Adding the group: $groupname",LOGLEVEL_DEBUG);
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}
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$username = escapeshellcmd($parent_domain["system_user"]);
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if($parent_domain["system_user"] != '' && !$app->system->is_user($parent_domain["system_user"])) {
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exec("useradd -d ".escapeshellcmd($parent_domain["document_root"])." -g $groupname $username -s /bin/false");
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$app->log("Adding the user: $username",LOGLEVEL_DEBUG);
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}
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// Set the quota for the user
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if($username != '' && $app->system->is_user($username)) {
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if($parent_domain["hd_quota"] > 0){
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$blocks_soft = $parent_domain["hd_quota"] * 1024;
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$blocks_hard = $blocks_soft + 1024;
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} else {
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$blocks_soft = $blocks_hard = 0;
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}
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exec("setquota -u $username $blocks_soft $blocks_hard 0 0 -a &> /dev/null");
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exec("setquota -T -u $username 604800 604800 -a &> /dev/null");
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}
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//TODO : change this when distribution information has been integrated into server record
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//* Gentoo requires a user to be part of the crontab group.
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if (file_exists('/etc/gentoo-release')) {
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if (strpos($app->system->get_user_groups($username), 'crontab') === false) {
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$app->system->add_user_to_group('crontab', $username);
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}
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}
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// make temp directory writable for the apache and website users
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chmod(escapeshellcmd($parent_domain["document_root"].'/tmp'), 0777);
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/** TODO READ CRON MASTER **/
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$this->parent_domain = $parent_domain;
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$this->_write_crontab();
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$this->action = '';
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}
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function delete($event_name,$data) {
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global $app, $conf;
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//* get data from web
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$parent_domain = $app->db->queryOneRecord("SELECT `domain_id`, `system_user`, `system_group`, `document_root`, `hd_quota` FROM `web_domain` WHERE `domain_id` = ".intval($data["old"]["parent_domain_id"]));
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if(!$parent_domain["domain_id"]) {
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$app->log("Parent domain not found",LOGLEVEL_WARN);
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return 0;
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}
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// Get the client ID
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$client = $app->dbmaster->queryOneRecord("SELECT client_id FROM sys_group WHERE sys_group.groupid = ".intval($data["old"]["sys_groupid"]));
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$client_id = intval($client["client_id"]);
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unset($client);
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$this->parent_domain = $parent_domain;
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$this->_write_crontab();
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}
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function _write_crontab() {
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global $app, $conf;
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//* load the server configuration options
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$app->uses("getconf");
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$cron_config = $app->getconf->get_server_config($conf["server_id"], 'cron');
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//* try to find customer's mail address
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/** TODO: add possibility for client to choose mail notification! **/
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$cron_content = "MAILTO=''\n";
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$cron_content .= "SHELL='/bin/sh'\n\n";
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$chr_cron_content = "MAILTO=''\n";
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$chr_cron_content .= "SHELL='/usr/sbin/jk_chrootsh'\n\n";
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$cmd_count = 0;
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$chr_cmd_count = 0;
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//* read all active cron jobs from database and write them to file
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$cron_jobs = $app->db->queryAllRecords("SELECT c.`run_min`, c.`run_hour`, c.`run_mday`, c.`run_month`, c.`run_wday`, c.`command`, c.`type`, `web_domain`.`domain` as `domain` FROM `cron` as c INNER JOIN `web_domain` ON `web_domain`.`domain_id` = c.`parent_domain_id` WHERE c.`parent_domain_id` = ".intval($this->parent_domain["domain_id"]) . " AND c.`active` = 'y'");
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if($cron_jobs && count($cron_jobs) > 0) {
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foreach($cron_jobs as $job) {
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if($job['run_month'] == '@reboot') {
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$command = "@reboot";
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} else {
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$command = "{$job['run_min']}\t{$job['run_hour']}\t{$job['run_mday']}\t{$job['run_month']}\t{$job['run_wday']}";
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}
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$command .= "\t{$this->parent_domain['system_user']}"; //* running as user
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if($job['type'] == 'url') {
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$command .= "\t{$cron_config['wget']} -q -O /dev/null " . escapeshellarg($job['command']) . " >/dev/null 2>&1";
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} else {
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if($job['type'] == 'chrooted') {
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if(substr($job['command'], 0, strlen($this->parent_domain['document_root'])) == $this->parent_domain['document_root']) {
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//* delete the unneeded path part
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$job['command'] = substr($job['command'], strlen($this->parent_domain['document_root']));
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}
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}
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$command .= "\t";
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if(substr($job['command'], 0, 1) != "/") $command .= $this->parent_domain['document_root'].'/';
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$command .= $job['command'];
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}
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if($job['type'] == 'chrooted') {
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$chr_cron_content .= $command . "\t#{$job['domain']}\n";
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$chr_cmd_count++;
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} else {
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$cron_content .= $command . "\t#{$job['domain']}\n";
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$cmd_count++;
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}
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}
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}
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$cron_file = escapeshellcmd($cron_config["crontab_dir"].'/ispc_'.$this->parent_domain["system_user"]);
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//TODO : change this when distribution information has been integrated into server record
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//* Gentoo vixie-cron requires files to end with .cron in the cron.d directory
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if (file_exists('/etc/gentoo-release')) {
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$cron_file .= '.cron';
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}
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if($cmd_count > 0) {
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file_put_contents($cron_file, $cron_content);
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$app->log("Wrote Cron file $cron_file with content:\n$cron_content",LOGLEVEL_DEBUG);
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} else {
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@unlink($cron_file);
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$app->log("Deleted Cron file $cron_file",LOGLEVEL_DEBUG);
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}
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$cron_file = escapeshellcmd($cron_config["crontab_dir"].'/ispc_chrooted_'.$this->parent_domain["system_user"]);
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if($chr_cmd_count > 0) {
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file_put_contents($cron_file, $chr_cron_content);
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$app->log("Wrote Cron file $cron_file with content:\n$chr_cron_content",LOGLEVEL_DEBUG);
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} else {
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@unlink($cron_file);
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$app->log("Deleted Cron file $cron_file",LOGLEVEL_DEBUG);
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}
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return 0;
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}
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} // end class
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?>
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