interfaces_gre_edit.php 13.3 KB
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<?php
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/*
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    Copyright (C) 2014-2015 Deciso B.V.
    Copyright (C) 2008 Ermal Luçi
    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.
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*/

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require_once("guiconfig.inc");
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require_once("system.inc");
require_once("interfaces.inc");
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require_once("openvpn.inc");
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require_once("pfsense-utils.inc");
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require_once("unbound.inc");
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require_once("services.inc");
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if (!isset($config['gres']) || !is_array($config['gres'])) {
    $config['gres'] = array();
}
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if (!isset($config['gres']['gre']) || !is_array($config['gres']['gre'])) {
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    $config['gres']['gif'] = array();
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}
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$a_gres = &$config['gres']['gre'];

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if ($_SERVER['REQUEST_METHOD'] === 'GET') {
    // read form data
    if (!empty($a_gres[$_GET['id']])) {
        $id = $_GET['id'];
    }
    $pconfig = array();
    // copy fields
    $copy_fields = array('if', 'greif', 'remote-addr', 'tunnel-remote-net', 'tunnel-local-addr', 'tunnel-remote-addr', 'descr');
    foreach ($copy_fields as $fieldname) {
        $pconfig[$fieldname] = isset($a_gres[$id][$fieldname]) ? $a_gres[$id][$fieldname] : null;
    }
    // bool fields
    $pconfig['link1'] = isset($a_gres[$id]['link1']);
    $pconfig['link2'] = isset($a_gres[$id]['link2']);
    $pconfig['link0'] = isset($a_gres[$id]['link0']);
} elseif ($_SERVER['REQUEST_METHOD'] === 'POST') {
    // validate / save form data
    if (!empty($a_gres[$_POST['id']])) {
        $id = $_POST['id'];
    }

    $input_errors = array();
    $pconfig = $_POST;

    /* input validation */
    $reqdfields = explode(" ", "if tunnel-remote-addr tunnel-remote-net tunnel-local-addr");
    $reqdfieldsn = array(gettext("Parent interface"),gettext("Local address"),gettext("Remote tunnel address"),gettext("Remote tunnel network"), gettext("Local tunnel address"));

    do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);

    if (!is_ipaddr($pconfig['tunnel-local-addr']) || !is_ipaddr($pconfig['tunnel-remote-addr']) || !is_ipaddr($pconfig['remote-addr'])) {
        $input_errors[] = gettext("The tunnel local and tunnel remote fields must have valid IP addresses.");
    }

    foreach ($a_gres as $gre) {
        if (isset($id) && $a_gres[$id] === $gre) {
            continue;
        }
        if ($gre['if'] == $pconfig['if'] && $gre['tunnel-remote-addr'] == $pconfig['tunnel-remote-addr']) {
            $input_errors[] = sprintf(gettext("A GRE tunnel with the network %s is already defined."),$gre['remote-network']);
            break;
        }
    }

    if (count($input_errors) == 0) {
        $gre = array();
        $copy_fields = array('if', 'greif', 'remote-addr', 'tunnel-remote-net', 'tunnel-local-addr', 'tunnel-remote-addr', 'descr');
        foreach ($copy_fields as $fieldname) {
            $gre[$fieldname] = isset($pconfig[$fieldname]) ? $pconfig[$fieldname] : null;
        }
        $gre['link1'] = isset($pconfig['link1']);
        $gre['link2'] = isset($pconfig['link2']);
        $gre['link0'] = isset($pconfig['link0']);


        $gre['greif'] = interface_gre_configure($gre);
        if ($gre['greif'] == "" || !stristr($gre['greif'], "gre")) {
            $input_errors[] = gettext("Error occurred creating interface, please retry.");
        } else {
            if (isset($id)) {
                $a_gres[$id] = $gre;
            } else {
                $a_gres[] = $gre;
            }
            write_config();
            $confif = convert_real_interface_to_friendly_interface_name($gre['greif']);
            if ($confif <> "") {
                interface_configure($confif);
            }
            header("Location: interfaces_gre.php");
            exit;
        }
    }
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}

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legacy_html_escape_form_data($pconfig);
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include("head.inc");
?>

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<body>
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<script type="text/javascript">
  $( document ).ready(function() {
    hook_ipv4v6('ipv4v6net', 'network-id');
  });
</script>
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<?php include("fbegin.inc"); ?>
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<section class="page-content-main">
  <div class="container-fluid">
    <div class="row">
      <?php if (isset($input_errors) && count($input_errors) > 0) print_input_errors($input_errors); ?>
      <section class="col-xs-12">
        <div class="content-box">
          <div class="table-responsive">
            <form method="post" name="iform" id="iform">
              <table class="table table-striped">
                <thead>
                  <tr>
                    <td width="22%"><strong><?=gettext("GRE configuration");?></strong></td>
                    <td width="78%" align="right">
                      <small><?=gettext("full help"); ?> </small>
                      <i class="fa fa-toggle-off text-danger"  style="cursor: pointer;" id="show_all_help_page" type="button"></i></a>
                      &nbsp;
                    </td>
                  </tr>
                </thead>
                <tbody>
                  <tr>
                    <td><a id="help_for_if" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Parent interface");?></td>
                    <td>
                      <select name="if" class="selectpicker" data-live-search="true">
<?php
                      $portlist = get_configured_interface_with_descr();
                      $carplist = get_configured_carp_interface_list();
                      $aliaslist = get_configured_ip_aliases_list();
                      foreach ($carplist as $cif => $carpip) {
                          $portlist[$cif] = $carpip." (".get_vip_descr($carpip).")";
                      }
                      foreach ($aliaslist as $aliasip => $aliasif) {
                          $portlist[$aliasif.'|'.$aliasip] = $aliasip." (".get_vip_descr($aliasip).")";
                      }

                      foreach ($portlist as $ifn => $ifinfo):?>
                        <option value="<?=$ifn;?>" <?=$ifn == $pconfig['if'] ? "selected=\"selected\"" : "";?>>
                            <?=htmlspecialchars($ifinfo);?>
                        </option>
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<?php
                      endforeach;?>
                      </select>
                      <div class="hidden" for="help_for_if">
                          <?=gettext("The interface here serves as the local address to be used for the GRE tunnel.");?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_remote-addr" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("GRE remote address");?></td>
                    <td>
                      <input name="remote-addr" type="text" value="<?=$pconfig['remote-addr'];?>" />
                      <div class="hidden" for="help_for_remote-addr">
                        <?=gettext("Peer address where encapsulated GRE packets will be sent ");?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_tunnel-local-addr" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("GRE tunnel local address ");?></td>
                    <td>
                      <input name="tunnel-local-addr" type="text" value="<?=$pconfig['tunnel-local-addr'];?>" />
                      <div class="hidden" for="help_for_tunnel-local-addr">
                        <?=gettext("Local GRE tunnel endpoint");?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_tunnel-remote-addr" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("GRE tunnel remote address ");?></td>
                    <td>
                      <table class="table table-condensed">
                        <tr>
                          <td width="285px">
                            <input name="tunnel-remote-addr" type="text" id="tunnel-remote-addr" value="<?=$pconfig['tunnel-remote-addr'];?>" />
                          </td>
                          <td>
                            <select name="tunnel-remote-net" data-network-id="tunnel-remote-addr" class="selectpicker ipv4v6net" id="tunnel-remote-net" data-width="auto">
<?php
                            for ($i = 128; $i > 0; $i--):?>
                              <option value="<?=$i;?>"  <?=$i == $pconfig['tunnel-remote-net'] ? "selected=\"selected\"" : "";?> >
                                  <?=$i;?>
                              </option>
<?php
                            endfor;?>
                            </select>
                          </td>
                        </tr>
                      </table>
                      <div class="hidden" for="help_for_tunnel-remote-addr">
                        <?=gettext("Remote GRE address endpoint. The subnet part is used for the determining the network that is tunneled.");?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_link0" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Mobile tunnel");?></td>
                    <td>
                      <input name="link0" type="checkbox" id="link0" <?= !empty($pconfig['link0']) ? "checked=\"checked\"" : "";?> />
                      <div class="hidden" for="help_for_link0">
                        <?=gettext("Specify which encapsulation method the tunnel should use. ");?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_link1" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Route search type");?></td>
                    <td>
                      <input name="link1" type="checkbox" id="link1" <?= !empty($pconfig['link1']) ? "checked=\"checked\"" : "";?> />
                      <div class="hidden" for="help_for_link1">
                        <?=gettext("For correct operation, the GRE device needs a route to the destination".
                       " that is less specific than the one over the tunnel.  (Basically, there".
                       " needs to be a route to the decapsulating host that does not run over the".
                       " tunnel, as this would be a loop.");?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_link2" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("WCCP version");?></td>
                    <td>
                      <input name="link2" type="checkbox" id="link2" <?= !empty($pconfig['link2']) ? "checked=\"checked\"" : "";?> />
                      <div class="hidden" for="help_for_link2">
                        <?=gettext("Check this box for WCCP encapsulation version 2, or leave unchecked for version 1.");?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_descr" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Description"); ?></td>
                    <td>
                      <input name="descr" type="text" value="<?=$pconfig['descr'];?>" />
                      <div class="hidden" for="help_for_descr">
                        <?=gettext("You may enter a description here " .
                        "for your reference (not parsed)."); ?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td width="22%" valign="top">&nbsp;</td>
                    <td width="78%">
                      <input type="hidden" name="greif" value="<?=$pconfig['greif']; ?>" />
                      <input name="Submit" type="submit" class="btn btn-primary" value="<?=gettext("Save");?>" />
                      <input type="button" class="btn btn-default" value="<?=gettext("Cancel");?>" onclick="window.location.href='<?=(isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '/interfaces_gre.php');?>'" />
                      <?php if (isset($id)): ?>
                      <input name="id" type="hidden" value="<?=$id;?>" />
                      <?php endif; ?>
                    </td>
                  </tr>
                </tbody>
              </table>
            </form>
          </div>
        </div>
      </section>
    </div>
  </div>
</section>
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<?php include("foot.inc"); ?>