<?php

/*
    Copyright (C) 2014-2015 Deciso B.V.
    Copyright (C) 2005-2007 Scott Ullrich
    Copyright (C) 2008 Shrew Soft Inc
    Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>
    All rights reserved.

    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are met:

    1. Redistributions of source code must retain the above copyright notice,
       this list of conditions and the following disclaimer.

    2. Redistributions in binary form must reproduce the above copyright
       notice, this list of conditions and the following disclaimer in the
       documentation and/or other materials provided with the distribution.

    THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
    AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    POSSIBILITY OF SUCH DAMAGE.
*/

require_once("guiconfig.inc");
require_once("system.inc");

if (!isset($config['sysctl']['item']) || !is_array($config['sysctl']['item'])) {
    $config['sysctl']['item'] = array();
}
$a_tunable = &$config['sysctl']['item'];

if ($_SERVER['REQUEST_METHOD'] === 'GET') {
    if (isset($_GET['id']) && isset($a_tunable[$_GET['id']])) {
        $id = $_GET['id'];
    }
    if (isset($_GET['act'])) {
        $act = $_GET['act'];
    } else {
        $act = null;
    }
    $pconfig = array();
    if (isset($id)) {
        $pconfig['tunable'] = $a_tunable[$id]['tunable'];
        $pconfig['value'] = $a_tunable[$id]['value'];
        $pconfig['descr'] = $a_tunable[$id]['descr'];
    } else {
        $pconfig['tunable'] = null;
        $pconfig['value'] = null;
        $pconfig['descr'] = null;
    }
} elseif ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if (isset($_POST['id']) && isset($a_tunable[$_POST['id']])) {
        $id = $_POST['id'];
    }
    if (isset($_POST['act'])) {
        $act = $_POST['act'];
    } else {
        $act = null;
    }
    $pconfig = $_POST;

    if (isset($id) && $act == "del") {
        unset($a_tunable[$id]);
        write_config();
        mark_subsystem_dirty('sysctl');
        header(url_safe('Location: /system_advanced_sysctl.php'));
        exit;
    } else if (!empty($pconfig['apply'])) {
        system_sysctl_configure();
        clear_subsystem_dirty('sysctl');
        header(url_safe('Location: /system_advanced_sysctl.php'));
        exit;
    } elseif (!empty($pconfig['Submit'])) {
        $tunableent = array();
        $tunableent['tunable'] = $pconfig['tunable'];
        $tunableent['value'] = $pconfig['value'];
        $tunableent['descr'] = $pconfig['descr'];

        if (isset($id)) {
            $a_tunable[$id] = $tunableent;
        } else {
            $a_tunable[] = $tunableent;
        }

        mark_subsystem_dirty('sysctl');
        write_config();
        header(url_safe('Location: /system_advanced_sysctl.php'));
        exit;
    }

}

legacy_html_escape_form_data($a_tunable);
if ($act != 'edit') {
    $main_buttons = array(
        array('href' => 'system_advanced_sysctl.php?act=edit', 'label' => gettext('Add a new tunable')),
    );
}
include("head.inc");
?>

<body>
<script type="text/javascript">
$( document ).ready(function() {
  // delete entry
  $(".act_delete").click(function(event){
    event.preventDefault();
    var id = $(this).data('id');
    BootstrapDialog.show({
      type:BootstrapDialog.TYPE_DANGER,
      title: "<?= gettext("Tunable");?>",
      message: "<?=gettext("Do you really want to delete this entry?");?>",
      buttons: [{
                label: "<?=gettext("No");?>",
                action: function(dialogRef) {
                    dialogRef.close();
                }}, {
                label: "<?=gettext("Yes");?>",
                action: function(dialogRef) {
                  $("#id").val(id);
                  $("#action").val("del");
                  $("#iform").submit()
              }
            }]
    });
  });
});
</script>

<?php include("fbegin.inc"); ?>


<!-- row -->
<section class="page-content-main">
  <div class="container-fluid">
    <div class="row">
<?php
        if (isset($savemsg)) {
            print_info_box($savemsg);
        }
        if (is_subsystem_dirty('sysctl') && ($act != "edit" )) {
            print_info_box_apply(gettext("The firewall tunables have changed. You must apply the configuration to take affect."));
        }
?>
      <form method="post" id="iform">
        <input type="hidden" id="id" name="id" value="" />
        <input type="hidden" id="action" name="act" value="" />
      </form>
      <section class="col-xs-12">
        <div class="table-responsive content-box tab-content" style="overflow: auto;">
<?php
        if ($act != "edit") :?>
          <table class="table table-striped">
            <thead>
              <tr>
                <th><?=gettext("Tunable Name"); ?></th>
                <th><?=gettext("Description"); ?></th>
                <th><?=gettext("Value"); ?></th>
                <th></th>
              </tr>
              </thead>
              <tbody>
<?php
                $i = 0;
                foreach ($a_tunable as $tunable) :?>
                <tr>
                  <td><?=$tunable['tunable']; ?></td>
                  <td><?=$tunable['descr']; ?></td>
                  <td>
                    <?=$tunable['value']; ?>
                    <?=$tunable['value'] == "default" ? "(" . get_default_sysctl_value($tunable['tunable']) . ")" : "";?>
                  </td>
                  <td>
                    <a href="system_advanced_sysctl.php?act=edit&amp;id=<?=$i;?>" class="btn btn-default btn-xs">
                        <span data-toggle="tooltip" title="<?=gettext("Edit Tunable"); ?>" class="glyphicon glyphicon-pencil"></span>
                    </a>
                    <a id="del_<?=$i;?>" data-id="<?=$i;?>" title="<?=gettext("Delete Tunable"); ?>" data-toggle="tooltip"  class="act_delete btn btn-default btn-xs">
                      <span class="fa fa-trash text-muted"></span>
                    </a>
                  </td>
                </tr>
<?php
                $i++; endforeach; ?>
              </tbody>
            </table>
<?php
            else : ?>
            <form method="post">
              <table class="table table-striped">
                <thead>
                  <tr>
                    <th colspan="2" valign="top" class="listtopic"><?=gettext("Edit system tunable"); ?></th>
                  </tr>
                </thead>
                <tbody>
                  <tr>
                    <td><i class="fa fa-info-circle text-muted"></i> <?=gettext("Tunable"); ?></td>
                    <td>
                      <input type="text" name="tunable" value="<?=$pconfig['tunable']; ?>" />
                    </td>
                  </tr>
                  <tr>
                    <td><i class="fa fa-info-circle text-muted"></i> <?=gettext("Description"); ?></td>
                    <td>
                      <textarea name="descr"><?=$pconfig['descr']; ?></textarea>
                    </td>
                  </tr>
                  <tr>
                    <td><i class="fa fa-info-circle text-muted"></i> <?=gettext("Value"); ?></td>
                    <td>
                      <input name="value" type="text" value="<?=$pconfig['value']; ?>" />
                    </td>
                  </tr>
                  <tr>
                    <td>&nbsp;</td>
                    <td>
                      <input name="Submit" type="submit" class="btn btn-primary" value="<?=gettext("Save"); ?>" />
                      <input type="button" class="btn btn-default" value="<?=gettext("Cancel");?>" onclick="window.location.href='/system_advanced_sysctl.php'" />

<?php
                      if (isset($id)) :?>
                      <input name="id" type="hidden" value="<?=$id;?>" />
<?php
                      endif; ?>
                    </td>
                  </tr>
                </tbody>
              </table>
            </form>
<?php
            endif; ?>
          </div>
        </section>
      </div>
  </div>
</section>
<?php include("foot.inc");
