<?php
/*
  Copyright (C) 2014 Deciso B.V.
  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("interfaces.inc");
require_once("filter.inc");

if (!isset($config['nat']['onetoone'])) {
    $config['nat']['onetoone'] = array();
}
$a_1to1 = &$config['nat']['onetoone'];

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $pconfig = $_POST;
    if (isset($pconfig['id']) && isset($a_1to1[$pconfig['id']])) {
        // id found and valid
        $id = $pconfig['id'];
    }

    if (isset($pconfig['apply'])) {
        filter_configure();
        $savemsg = get_std_save_message();
        clear_subsystem_dirty('natconf');
        clear_subsystem_dirty('filter');
    } elseif (isset($pconfig['action']) && $pconfig['action'] == 'del' && isset($id)) {
        // delete single entry
        unset($a_1to1[$id]);
        if (write_config()) {
            mark_subsystem_dirty('natconf');
        }
        header("Location: firewall_nat_1to1.php");
        exit;
    } elseif (isset($pconfig['action']) && $pconfig['action'] == 'del_x' && isset($pconfig['rule']) && count($pconfig['rule']) > 0) {
        // delete selected
        foreach ($pconfig['rule'] as $rulei) {
            unset($a_1to1[$rulei]);
        }
        if (write_config()) {
            mark_subsystem_dirty('natconf');
        }
        header("Location: firewall_nat_1to1.php");
        exit;
    } elseif (isset($pconfig['action']) && $pconfig['action'] == 'move') {
        // move selected
        if (isset($pconfig['rule']) && count($pconfig['rule']) > 0) {
            // if rule not set/found, move to end
            if (!isset($id)) {
                $id = count($a_1to1);
            }
            $a_1to1 = legacy_move_config_list_items($a_1to1, $id,  $pconfig['rule']);

            if (write_config()) {
                mark_subsystem_dirty('natconf');
            }
            header("Location: firewall_nat_1to1.php");
            exit;
        }
    } elseif (isset($pconfig['action']) && $pconfig['action'] == 'toggle' && isset($id)) {
        // toggle item
        if(isset($a_1to1[$id]['disabled'])) {
            unset($a_1to1[$id]['disabled']);
        } else {
            $a_1to1[$id]['disabled'] = true;
        }
        if (write_config("Firewall: NAT: Outbound, enable/disable NAT rule")) {
            mark_subsystem_dirty('natconf');
        }
        header("Location: firewall_nat_1to1.php");
        exit;
    }
}

legacy_html_escape_form_data($a_1to1);
$pgtitle = array(gettext("Firewall"),gettext("NAT"),gettext("1:1"));
include("head.inc");

$main_buttons = array(
    array('label'=>gettext("add rule"), 'href'=>'firewall_nat_1to1_edit.php'),
);

?>
<body>
  <script type="text/javascript">
  $( document ).ready(function() {
    // link delete buttons
    $(".act_delete").click(function(){
      var id = $(this).attr("id").split('_').pop(-1);
      if (id != 'x') {
        // delete single
        BootstrapDialog.show({
            type:BootstrapDialog.TYPE_INFO,
            title: "<?= gettext("1:1");?>",
            message: "<?=gettext("Do you really want to delete this rule?");?>",
            buttons: [{
                    label: "<?= gettext("No");?>",
                    action: function(dialogRef) {
                        dialogRef.close();
                    }}, {
                      label: "<?= gettext("Yes");?>",
                      action: function(dialogRef) {
                        $("#id").val(id);
                        $("#action").val("del");
                        $("#iform").submit()
                    }
                }]
        });
      } else {
        // delete selected
        BootstrapDialog.show({
            type:BootstrapDialog.TYPE_INFO,
            title: "<?= gettext("1:1");?>",
            message: "<?=gettext("Do you really want to delete the selected mappings?");?>",
            buttons: [{
                    label: "<?= gettext("No");?>",
                    action: function(dialogRef) {
                        dialogRef.close();
                    }}, {
                      label: "<?= gettext("Yes");?>",
                      action: function(dialogRef) {
                        $("#id").val("");
                        $("#action").val("del_x");
                        $("#iform").submit()
                    }
                }]
        });
      }
    });

    // link move buttons
    $(".act_move").click(function(){
        var id = $(this).attr("id").split('_').pop(-1);
        $("#id").val(id);
        $("#action").val("move");
        $("#iform").submit();
    });

    // link toggle buttons
    $(".act_toggle").click(function(){
        var id = $(this).attr("id").split('_').pop(-1);
        $("#id").val(id);
        $("#action").val("toggle");
        $("#iform").submit();
    });

  });
  </script>


<?php include("fbegin.inc"); ?>
  <section class="page-content-main">
    <div class="container-fluid">
      <div class="row">
<?php
        if (isset($savemsg))
          print_info_box($savemsg);
        if (is_subsystem_dirty('natconf'))
          print_info_box_np(gettext("The NAT configuration has been changed.") .
            "<br />" .
            gettext("You must apply the changes in order for them to take effect."));
?>
          <section class="col-xs-12">
          <div class="content-box">
            <form action="firewall_nat_1to1.php" method="post" name="iform" id="iform">
              <input type="hidden" id="id" name="id" value="" />
              <input type="hidden" id="action" name="action" value="" />
              <table class="table table-striped">
                <thead>
                  <tr>
                    <th>&nbsp;</th>
                    <th>&nbsp;</th>
                    <th><?=gettext("Interface"); ?></th>
                    <th><?=gettext("External IP"); ?></th>
                    <th><?=gettext("Internal IP"); ?></th>
                    <th><?=gettext("Destination IP"); ?></th>
                    <th><?=gettext("Description"); ?></th>
                    <th></th>
                  </tr>
                </thead>
                <tbody>
<?php
                $i = 0;
                foreach ($a_1to1 as $natent):
?>
                  <tr <?=isset($natent['disabled'])?"class=\"text-muted\"":"";?> valign="top" ondblclick="document.location='firewall_nat_1to1_edit.php?id=<?=$i;?>';">
                    <td>
                      <input type="checkbox" name="rule[]" value="<?=$i;?>" />
                    </td>
                    <td>
                      <a href="#" type="submit" id="toggle_<?=$i;?>" data-toggle="tooltip" data-placement="left" title="<?=gettext("click to toggle enabled/disabled status");?>" class="act_toggle glyphicon glyphicon glyphicon-play <?=isset($natent['disabled']) ? "text-muted" : "text-success";?>">
                      </a>
                    </td>
                    <td>
                      <?=htmlspecialchars(convert_friendly_interface_to_friendly_descr(isset($natent['interface']) ? $natent['interface'] : "wan"));?>
                    </td>
                    <td>
                      <?=isset($natent['external']) ? $natent['external'] : "";?><?=isset($natent['source']) ? strstr(pprint_address($natent['source']), '/') : "";?>
<?php                 if (isset($natent['external']['address']) && is_alias($natent['external']['address'])): ?>
                      &nbsp;<a href="/firewall_aliases_edit.php?name=<?=htmlspecialchars($natent['external']['address']);?>"><i class="fa fa-list"></i> </a>
<?php                 endif; ?>
                    </td>
                    <td>
                      <?=pprint_address($natent['source']);?>
<?php                 if (isset($natent['source']['address']) && is_alias($natent['source']['address'])): ?>
                      &nbsp;<a href="/firewall_aliases_edit.php?name=<?=htmlspecialchars($natent['source']['address']);?>"><i class="fa fa-list"></i> </a>
<?php                 endif; ?>
                    </td>
                    <td>
                      <?=pprint_address($natent['destination']);?>
<?php                 if (isset($natent['destination']['address']) && is_alias($natent['destination']['address'])): ?>
                      &nbsp;<a href="/firewall_aliases_edit.php?name=<?=htmlspecialchars($natent['destination']['address']);?>"><i class="fa fa-list"></i> </a>
<?php                 endif; ?>
                    </td>
                    <td>
                      <?=$natent['descr'];?> &nbsp;
                    </td>
                    <td>
                      <a type="submit" id="move_<?=$i;?>" name="move_<?=$i;?>_x" data-toggle="tooltip" data-placement="left" title="<?=gettext("move selected mapping before this rule");?>" class="act_move btn btn-default btn-xs">
                        <span class="glyphicon glyphicon-arrow-left"></span>
                      </a>
                      <a href="firewall_nat_1to1_edit.php?id=<?=$i;?>" class="btn btn-default btn-xs" data-toggle="tooltip" data-placement="left" title="<?=gettext("edit this mapping");?>">
                        <span class="glyphicon glyphicon-pencil"></span>
                      </a>
                      <a id="del_<?=$i;?>" title="<?=gettext("delete this mapping"); ?>" data-toggle="tooltip"  class="act_delete btn btn-default btn-xs">
                        <span class="glyphicon glyphicon-remove"></span>
                      </a>
                      <a href="firewall_nat_1to1_edit.php?dup=<?=$i;?>" data-toggle="tooltip" data-placement="left" title="<?=gettext("add new mapping based on this one");?>" class="btn btn-default btn-xs">
                        <span class="glyphicon glyphicon-plus"></span>
                      </a>
                    </td>
                  </tr>
<?php
                  $i++;
                endforeach;
?>
                  <tr>
                    <td colspan="7"></td>
                    <td>
<?php               if ($i == 0):
?>
                      <span title="<?=gettext("move selected mappings to end");?>" class="btn btn-default btn-xs">
                        <span class="glyphicon glyphicon-arrow-left">
                        </span>
                      </span>
<?php               else:
?>
                      <a type="submit" id="move_<?=$i;?>" name="move_<?=$i;?>_x" data-toggle="tooltip" data-placement="left" title="<?=gettext("move selected mappings to end");?>" class="act_move btn btn-default btn-xs">
                        <span class="glyphicon glyphicon-arrow-left"></span>
                      </a>
<?php               endif;
?>
<?php               if ($i == 0):
?>
                      <span title="<?=gettext("delete selected mappings"); ?>" data-toggle="tooltip" class="btn btn-default btn-xs">
                        <span class="glyphicon glyphicon-remove"></span>
                      </span>
<?php               else:
?>
                      <a id="del_x" title="<?=gettext("delete selected mappings"); ?>" data-toggle="tooltip"  class="act_delete btn btn-default btn-xs">
                        <span class="glyphicon glyphicon-remove"></span>
                      </a>
<?php               endif;
?>
                      <a href="firewall_nat_1to1_edit.php" data-toggle="tooltip" data-placement="left" title="<?=gettext("add new mapping");?>" class="btn btn-default btn-xs"><span class="glyphicon glyphicon-plus"></span></a>
                    </td>
                  </tr>
                </tbody>
                <tfoot>
                  <tr>
                    <td colspan="9">&nbsp;</td>
                  </tr>
                  <tr>
                    <td width="16"><span class="glyphicon glyphicon-play text-success"></span></td>
                    <td colspan="8"><?=gettext("Enabled rule"); ?></td>
                  </tr>
                  <tr>
                    <td><span class="glyphicon glyphicon-play text-muted"></span></td>
                    <td colspan="8"><?=gettext("Disabled rule"); ?></td>
                  </tr>
                  <tr>
                    <td><a><i class="fa fa-list"></i></a></td>
                    <td colspan="8"><?=gettext("Alias (click to view/edit)");?></td>
                  </tr>
                  <tr>
                    <td colspan="9">
                      <p>
                        <span class="text-danger">
                          <strong><?=gettext("Note:"); ?><br />
                          </strong>
                        </span>
                        <?=gettext("Depending on the way your WAN connection is setup, you may also need a"); ?>
                        <a href="firewall_virtual_ip.php"><?=gettext("Virtual IP."); ?></a><br />
                        <?=gettext("If you add a 1:1 NAT entry for any of the interface IPs on this system, " .
                          "it will make this system inaccessible on that IP address. i.e. if " .
                          "you use your WAN IP address, any services on this system (IPsec, OpenVPN server, etc.) " .
                          "using the WAN IP address will no longer function."); ?>
                      </p>
                    </td>
                  </tr>
                </tfoot>
              </table>
            </form>
          </div>
        </section>
      </div>
    </div>
  </section>

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