First draft of the script which will do performed actions on file (called by a cron)

May not work for the moment

.gitattributes

@@ -594,6 +594,7 @@ src/courier-dovecot-migrate.pl -text
 src/cron_users.sh -text
 src/cron_users_doit.sh -text
 src/delete_logs.sh -text
+src/do_actions.php -text
 src/du.pl -text
 src/export_account.php -text
 src/fixperms.sh -text

src/do_actions.php

@@ -0,0 +1,94 @@
+#!/usr/bin/php -q
+<?php
+/*
+   $Id: do_actions.php,v 1.0 2013/04/19 13:40:32 axel Exp $
+   ----------------------------------------------------------------------
+   AlternC - Web Hosting System
+   Copyright (C) 2002 by the AlternC Development Team.
+   http://alternc.org/
+   ----------------------------------------------------------------------
+   Based on:
+   Valentin Lacambre's web hosting softwares: http://altern.org/
+   ----------------------------------------------------------------------
+   LICENSE
+
+   This program is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License (GPL)
+   as published by the Free Software Foundation; either version 2
+   of the License, or (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   To read the license please visit http://www.gnu.org/copyleft/gpl.html
+   ----------------------------------------------------------------------
+   Original Author of file: Axel Roger
+   Purpose of file: Do planed actions on files/directories.
+   ----------------------------------------------------------------------
+ */
+/**
+ * This script check the MySQL DB for actions to do, and do them one by one.
+ *
+ * @copyright AlternC-Team 2002-2013 http://alternc.org/
+ */
+
+require_once("/usr/share/alternc/panel/class/config_nochk.php");
+
+$LOCK_FILE='/var/run/alternc/do_actions_cron.lock';
+$SCRIPT='php do_actions';
+$MY_PID=getmypid();
+$BACKUP_DIR='/var/backup/alternc/';
+
+// Check if script isn't already running
+if (($PID=file_get_contents($LOCK_FILE)) !== false){
+    // Check if file is in process list
+    if ($PID == exec("pidof $SCRIPT | grep -v $MY_PID")){
+      // Previous cron is not finished yet, just exit
+      exit 0;
+    }else{
+      // Previous cron failed!
+      // Send an error mail to the admin and tell him what action failed
+      mail("postmaster@$L_FQDN",'Cron do_actions.php failed!',"Hello\n\nPrevious cron /usr/lib/alternc/do_actions.php seems to have failed (I found the lock file but the cron is not running anymore)\nIts PID was: $PID\nI'll remove the lock file and continue to do performed actions, beginning to the right next action after the failed one.");
+      // Delete the lock and continue to the next action
+      unlink($LOCK_FILE);
+    }
+}
+
+// We lock the script
+if (file_put_contents($LOCK_FILE,$MY_PID) === false){
+  die("Cannot open/write $LOCK_FILE");
+}
+
+//We get the next action to do
+while ($r=$action->get_action()){
+  // We lock the action
+  $action->begin($r[id]);
+  // We process it
+  $params=array($r["parameters"]);
+  // We exec with the specified user
+  exec("su ".$params["user"]);
+  switch ($r["type"]){
+    case "CREATE_FILE" :
+      $return=file_put_contents($params["file"],$params["contents"]);
+      break;
+    case "CREATE_DIR" :
+      $return=mkdir($params["dir"]));
+      break;
+    case "DELETE" :
+      $return=exec("rm -rf ".$params["dir"]);
+      break;
+    case "MOVE" :
+      $return=rename($params["src"],$params["dst"]);
+      break;
+    default :
+      break;
+  }
+  // We finished the action, notify the DB
+  $action->finish($r["id"],$return);
+}
+
+// Unlock the script
+unlink($LOCK_FILE);
+?>