<?php
/*
  This code is part of FusionDirectory (http://www.fusiondirectory.org/)
  Copyright (C) 2003-2010  Cajus Pollmeier
  Copyright (C) 2011-2015  FusionDirectory

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License 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.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/

class filterSystemByIp extends filterLDAP
{
  static function query($parent, $base, $scope, $filter, $attributes, $category, $objectStorage = "")
  {
    // IP Range selection
    $filterByIP = preg_match("/__FilterByIP__/", $filter);
    $filter     = preg_replace("/__FilterByIP__/", "", $filter);
    $ipstart    = "";
    $ipstop     = "";
    if (preg_match("/__IPSTART__=/", $filter)) {
      $ipstart = trim(preg_replace("/^.*__IPSTART__=([^_]*)__.*$/", "\\1", $filter), "*");
    }
    if (preg_match("/__IPSTOP__=/", $filter)) {
      $ipstop = trim(preg_replace("/^.*__IPSTOP__=([^_]*)__.*$/", "\\1", $filter), "*");
    }

    // Get entries
    $filter   = preg_replace("/__IPSTART.*$/", "", $filter);
    $entries  = filterLDAP::query($parent, $base, $scope, $filter, $attributes, $category, $objectStorage);

    // Filter entries by IP-Address
    if ($filterByIP) {
      foreach ($entries as $key => $entry) {
        if (!isset($entry['ipHostNumber'])) {
          unset($entries[$key]);
          continue;
        }
        if (!tests::is_in_ip_range($ipstart, $ipstop, $entry['ipHostNumber'][0])) {
          unset($entries[$key]);
          continue;
        }
      }
    }
    return array_values($entries);
  }
}
?>
