<?php
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/*
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Copyright (c) 2007-2010, 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 remoteaction_core_module extends modules_base {
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var $module_name = 'remoteaction_core_module';
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var $class_name = 'remoteaction_core_module';
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/* No actions at this time. maybe later... */
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var $actions_available = array();
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//* This function is called during ispconfig installation to determine
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// if a symlink shall be created for this plugin.
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function onInstall() {
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return true;
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}
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/*
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This function is called when the module is loaded
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*/
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function onLoad() {
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/*
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* Check for actions to execute
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*/
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$this->_execActions();
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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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function process($tablename, $action, $data) {
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// not needed
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} // end function
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private function _actionDone($id, $state) {
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/*
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* First set the state
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*/
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global $app;
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$sql = "UPDATE sys_remoteaction " .
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"SET action_state = '" . $app->dbmaster->quote($state) . "' " .
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"WHERE action_id = " . intval($id);
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$app->dbmaster->query($sql);
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/*
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* Then save the maxid for the next time...
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*/
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$fp = fopen(dirname(__FILE__) . "/../lib/remote_action.inc.php", 'wb');
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$content = '<?php' . "\n" . '$maxid_remote_action = ' . $id . ';' . "\n?>";
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fwrite($fp, $content);
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fclose($fp);
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}
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/**
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* This method searches for scheduled actions and exec then
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*/
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private function _execActions() {
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global $app;
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global $conf;
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/* the id of the server as int */
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$server_id = intval($conf["server_id"]);
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/*
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* First we (till and i, oliver) thought, it was enough to write
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* "select from where action_status = 'pending'" and then execute this actions.
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* But it is not!
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* If a hacker can hack into a server, she can change the valus of action_status
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* and so re-exec a action, executed some days bevore. So she can (for example)
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* stop a service, a admin stopped some days before! To avoid this, we ignore
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* the status (it is only for the interface to show) and use our own maxid
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*/
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include_once (dirname(__FILE__) . "/../lib/remote_action.inc.php");
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/*
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* Get all actions this server should execute
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*/
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$sql = "SELECT action_id, action_type, action_param " .
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"FROM sys_remoteaction " .
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"WHERE server_id = " . $server_id . " ".
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" AND action_id > " . intval($maxid_remote_action) . " ".
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"ORDER BY action_id";
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$actions = $app->dbmaster->queryAllRecords($sql);
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/*
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* process all actions
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*/
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foreach ($actions as $action) {
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if ($action['action_type'] == 'os_update') {
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/* do the update */
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$this->_doOsUpdate($action);
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/* this action takes so much time,
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* we stop executing the actions not to waste more time */
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return;
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}
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if ($action['action_type'] == 'ispc_update') {
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/* do the update */
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$this->_doIspCUpdate($action);
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/* this action takes so much time,
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* we stop executing the actions not to waste more time */
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return;
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}
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}
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}
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private function _doOsUpdate($action) {
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/*
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* Do the update
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*/
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//TODO : change this when distribution information has been integrated into server record
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if(file_exists('/etc/gentoo-release')) {
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exec("glsa-check -f --nocolor affected");
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}
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else {
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exec("aptitude update");
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exec("aptitude upgrade -y");
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}
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/*
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* All well done!
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*/
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$this->_actionDone($action['action_id'], 'ok');
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}
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private function _doIspCUpdate($action) {
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/*
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* Get the version-number of the newest version
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*/
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$new_version = @file_get_contents('http://www.ispconfig.org/downloads/ispconfig3_version.txt');
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$new_version = trim($new_version);
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/*
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* Do the update
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*/
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/* jump into the temporary dir */
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$oldDir = getcwd();
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chdir("/tmp");
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/* delete the old files (if there are any...) */
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exec("rm /tmp/ISPConfig-" . $new_version . ".tar.gz");
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exec("rm /tmp/ispconfig3_install -R");
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/* get the newest version */
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exec("wget http://www.ispconfig.org/downloads/ISPConfig-" . $new_version . ".tar.gz");
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/* extract the files */
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exec("tar xvfz ISPConfig-" . $new_version . ".tar.gz");
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/*
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* Start the automated update
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*/
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chdir("/tmp/ispconfig3_install/install");
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exec("touch autoupdate");
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exec("php -q autoupdate.php");
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/*
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* do some clean-up
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*/
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exec("rm /tmp/ISPConfig-" . $new_version . ".tar.gz");
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exec("rm /tmp/ispconfig3_install -R");
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/*
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* go back to the "old path"
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*/
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chdir($oldDir);
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/*
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* All well done!
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*/
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$this->_actionDone($action['action_id'], 'ok');
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}
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}
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?>
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