<?php
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/*
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Copyright (c) 2013, 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 cronjob_monitor_system_update extends cronjob {
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// job schedule
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protected $_schedule = '0 * * * *';
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protected $_run_at_new = true;
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private $_tools = null;
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/* this function is optional if it contains no custom code */
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public function onPrepare() {
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global $app;
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parent::onPrepare();
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}
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/* this function is optional if it contains no custom code */
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public function onBeforeRun() {
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global $app;
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return parent::onBeforeRun();
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}
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public function onRunJob() {
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global $app, $conf;
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/* used for all monitor cronjobs */
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$app->load('monitor_tools');
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$this->_tools = new monitor_tools();
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/* end global section for monitor cronjobs */
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/* the id of the server as int */
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$server_id = intval($conf['server_id']);
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/** The type of the data */
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$type = 'system_update';
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/* This monitoring is only available on Debian or Ubuntu */
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if (file_exists('/etc/debian_version')) {
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/*
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* first update the "apt database"
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*/
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shell_exec('apt-get update');
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/*
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* Then test the upgrade.
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* if there is any output, then there is a needed update
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*/
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$aptData = shell_exec('apt-get -s -qq dist-upgrade');
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if ($aptData == '') {
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/* There is nothing to update! */
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$state = 'ok';
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} else {
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/*
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* There is something to update! this is in most cases not critical, so we can
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* do a system-update once a month or so...
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*/
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$state = 'info';
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}
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/*
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* Fetch the output
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*/
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$data['output'] = $aptData;
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} elseif (file_exists('/etc/gentoo-release')) {
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/*
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* first update the portage tree
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*/
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// In keeping with gentoo's rsync policy, don't update to frequently (every four hours - taken from http://www.gentoo.org/doc/en/source_mirrors.xml)
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$do_update = true;
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if (file_exists('/usr/portage/metadata/timestamp.chk')) {
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$datetime = file_get_contents('/usr/portage/metadata/timestamp.chk');
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$datetime = trim($datetime);
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$dstamp = strtotime($datetime);
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if ($dstamp) {
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$checkat = $dstamp + 14400; // + 4hours
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if (mktime() < $checkat) {
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$do_update = false;
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}
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}
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}
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if ($do_update) {
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shell_exec('emerge --sync --quiet');
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}
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/*
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* Then test the upgrade.
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* if there is any output, then there is a needed update
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*/
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$emergeData = shell_exec('glsa-check -t affected');
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if ($emergeData == '') {
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/* There is nothing to update! */
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$state = 'ok';
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$data['output'] = 'No unapplied GLSA\'s found on the system.';
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} else {
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/* There is something to update! */
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$state = 'info';
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$data['output'] = shell_exec('glsa-check -pv --nocolor affected 2>/dev/null');
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}
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} elseif (file_exists('/etc/SuSE-release')) {
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/*
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* update and find the upgrade.
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* if there is any output, then there is a needed update
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*/
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$aptData = shell_exec('zypper -q lu');
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if ($aptData == '') {
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/* There is nothing to update! */
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$state = 'ok';
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} else {
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/*
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* There is something to update! this is in most cases not critical, so we can
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* do a system-update once a month or so...
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*/
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$state = 'info';
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}
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/*
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* Fetch the output
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*/
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$data['output'] = shell_exec('zypper lu');
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} else {
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/*
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* It is not Debian/Ubuntu, so there is no data and no state
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*
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* no_state, NOT unknown, because "unknown" is shown as state
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* inside the GUI. no_state is hidden.
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*
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* We have to write NO DATA inside the DB, because the GUI
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* could not know, if there is any dat, or not...
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*/
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$state = 'no_state';
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$data['output'] = '';
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}
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$res = array();
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$res['server_id'] = $server_id;
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$res['type'] = $type;
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$res['data'] = $data;
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$res['state'] = $state;
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//* Ensure that output is encoded so that it does not break the serialize
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//$res['data']['output'] = htmlentities($res['data']['output']);
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$res['data']['output'] = htmlentities($res['data']['output'], ENT_QUOTES, 'UTF-8');
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/*
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* Insert the data into the database
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*/
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$sql = 'REPLACE INTO monitor_data (server_id, type, created, data, state) ' .
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'VALUES (' .
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$res['server_id'] . ', ' .
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"'" . $app->dbmaster->quote($res['type']) . "', " .
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'UNIX_TIMESTAMP(), ' .
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"'" . $app->dbmaster->quote(serialize($res['data'])) . "', " .
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"'" . $res['state'] . "'" .
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')';
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$app->dbmaster->query($sql);
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/* The new data is written, now we can delete the old one */
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$this->_tools->delOldRecords($res['type'], $res['server_id']);
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parent::onRunJob();
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}
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/* this function is optional if it contains no custom code */
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public function onAfterRun() {
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global $app;
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parent::onAfterRun();
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}
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}
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?>
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