firewall_nat_1to1_edit.php 22.3 KB
Newer Older
Ad Schellevis's avatar
Ad Schellevis committed
1 2
<?php
/*
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
  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.
Ad Schellevis's avatar
Ad Schellevis committed
27 28
*/

29
require_once("guiconfig.inc");
Ad Schellevis's avatar
Ad Schellevis committed
30
require_once("interfaces.inc");
31
require_once("pfsense-utils.inc");
Ad Schellevis's avatar
Ad Schellevis committed
32

33 34 35 36
/**
 * fetch list of selectable networks to use in form
 */
function formNetworks() {
37 38 39 40 41 42 43 44 45 46
    $networks = array();
    $networks["any"] = gettext("any");
    $networks["pptp"] = gettext("PPTP clients");
    $networks["pppoe"] = gettext("PPPoE clients");
    $networks["l2tp"] = gettext("L2TP clients");
    foreach (get_configured_interface_with_descr() as $ifent => $ifdesc) {
        $networks[$ifent] = htmlspecialchars($ifdesc) . " " . gettext("net");
        $networks[$ifent."ip"] = htmlspecialchars($ifdesc). " ". gettext("address");
    }
    return $networks;
Ad Schellevis's avatar
Ad Schellevis committed
47 48
}

49 50 51 52
/**
 * build array with interface options for this form
 */
function formInterfaces() {
53 54 55 56
    global $config;
    $interfaces = array();
    foreach ( get_configured_interface_with_descr(false, true) as $if => $ifdesc)
        $interfaces[$if] = $ifdesc;
Ad Schellevis's avatar
Ad Schellevis committed
57

58 59
    if (isset($config['l2tp']['mode']) && $config['l2tp']['mode'] == "server")
        $interfaces['l2tp'] = "L2TP VPN";
Ad Schellevis's avatar
Ad Schellevis committed
60

61 62
    if (isset($config['pptpd']['mode']) && $config['pptpd']['mode'] == "server")
        $interfaces['pptp'] = "PPTP VPN";
Ad Schellevis's avatar
Ad Schellevis committed
63

64
    if (is_pppoe_server_enabled())
65
        $interfaces['pppoe'] = "PPPoE VPN";
Ad Schellevis's avatar
Ad Schellevis committed
66

67 68 69
    /* add ipsec interfaces */
    if (isset($config['ipsec']['enable']) || isset($config['ipsec']['client']['enable']))
        $interfaces["enc0"] = "IPsec";
70

71 72 73 74 75
    /* add openvpn/tun interfaces */
    if (isset($config['openvpn']['openvpn-server']) || isset($config['openvpn']['openvpn-client'])) {
      $interfaces['openvpn'] = 'OpenVPN';
    }
    return $interfaces;
Ad Schellevis's avatar
Ad Schellevis committed
76 77
}

78 79 80 81 82 83 84
/**
 * obscured by clouds, is_specialnet uses this.. so let's hide it in here.
 * let's kill this another day.
 */
$specialsrcdst = explode(" ", "any pptp pppoe l2tp openvpn");
$ifdisp = get_configured_interface_with_descr();
foreach ($ifdisp as $kif => $kdescr) {
85 86
    $specialsrcdst[] = "{$kif}";
    $specialsrcdst[] = "{$kif}ip";
87
}
Ad Schellevis's avatar
Ad Schellevis committed
88

89
if (!isset($config['nat']['onetoone'])) {
90
    $config['nat']['onetoone'] = array();
91 92
}
$a_1to1 = &$config['nat']['onetoone'];
Ad Schellevis's avatar
Ad Schellevis committed
93

94
if ($_SERVER['REQUEST_METHOD'] === 'GET') {
95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117
    // input record id, if valid
    if (isset($_GET['dup']) && isset($a_1to1[$_GET['dup']]))  {
        $configId = $_GET['dup'];
    } elseif (isset($_GET['id']) && isset($a_1to1[$_GET['id']])) {
        $id = $_GET['id'];
        $configId = $id;
    }

    $pconfig = array();
    // set defaults
    $pconfig['interface'] = "wan";
    $pconfig['src'] = 'lan';
    $pconfig['dst'] = 'any';
    if (isset($configId)) {
        // copy settings from config
        foreach (array('disabled','interface','external','descr','natreflection') as $fieldname) {
          if (isset($a_1to1[$id][$fieldname])) {
              $pconfig[$fieldname] = $a_1to1[$id][$fieldname];
          } else {
              $pconfig[$fieldname] = null;
          }
        }
        // read settings with some kind of logic
118 119
        address_to_pconfig(
          $a_1to1[$id]['source'], $pconfig['src'],
120
          $pconfig['srcmask'], $pconfig['srcnot'],
121 122
          $pconfig['__unused__'],$pconfig['__unused__']
        );
123

124 125
        address_to_pconfig(
          $a_1to1[$id]['destination'], $pconfig['dst'],
126
          $pconfig['dstmask'], $pconfig['dstnot'],
127 128
          $pconfig['__unused__'],$pconfig['__unused__']
        );
129 130 131
    } else {
        // init form data on new
        foreach (array('disabled','interface','external','descr','natreflection'
132
                      ,'src','srcmask','srcnot','dst','dstmask','dstnot'
133 134 135 136 137 138
                    ) as $fieldname) {
            if (!isset($pconfig[$fieldname])) {
                $pconfig[$fieldname] =  null;
            }
        }
    }
139
} elseif ($_SERVER['REQUEST_METHOD'] === 'POST') {
140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155
    $input_errors = array();
    $pconfig = $_POST;
    // input record id, if valid
    if (isset($_POST['id']) && isset($a_1to1[$_POST['id']])) {
        $id = $_POST['id'];
    }

    // trim input
    foreach (array('external','src','dst') as $fieldname) {
        if (isset($pconfig[$fieldname])) {
            $pconfig[$fieldname] = trim($pconfig[$fieldname]);
        }
    }

    // validate input
    foreach ($pconfig as $key => $value) {
156 157
        if($value <> htmlentities($value))
            $input_errors[] = sprintf(gettext("Invalid characters detected (%s).  Please remove invalid characters and save again."),htmlentities($value));
158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216
    }

    /* input validation */
    $reqdfields = explode(" ", "interface external src dst");
    $reqdfieldsn = array(gettext("Interface"), gettext("External subnet"), gettext("Source address"), gettext("Destination address"));
    do_input_validation($pconfig, $reqdfields, $reqdfieldsn, $input_errors);


    /* For external, user can enter only ip's */
    if (!empty($pconfig['external']) && !is_ipaddr($_POST['external'])) {
        $input_errors[] = gettext("A valid external subnet must be specified.");
    }
    /* For src, user can enter only ip's or networks */
    if (!is_specialnet($pconfig['src']) && !is_ipaddroralias($pconfig['src'])) {
        $input_errors[] = sprintf(gettext("%s is not a valid source IP address or alias."), $pconfig['src']);
    }
    if (!empty($pconfig['srcmask']) && !is_numericint($pconfig['srcmask'])) {
        $input_errors[] = gettext("A valid source bit count must be specified.");
    }
    /* For dst, user can enter ip's, networks or aliases */
    if (!is_specialnet($pconfig['dst']) && !is_ipaddroralias($pconfig['dst'])) {
        $input_errors[] = sprintf(gettext("%s is not a valid destination IP address or alias."), $pconfig['dst']);
    }
    if (!empty($pconfig['dstmask']) && !is_numericint($pconfig['dstmask'])) {
        $input_errors[] = gettext("A valid destination bit count must be specified.");
    }

    if (count($input_errors) == 0) {
        $natent = array();
        // 1-on-1 copy
        $natent['external'] = $pconfig['external'];
        $natent['descr'] = $pconfig['descr'];
        $natent['interface'] = $pconfig['interface'];

        // copy form data with some kind of logic in it
        $natent['disabled'] = isset($_POST['disabled']) ? true:false;
        pconfig_to_address($natent['source'], $pconfig['src'],
          $pconfig['srcmask'], !empty($pconfig['srcnot']));

        pconfig_to_address($natent['destination'], $pconfig['dst'],
          $pconfig['dstmask'], !empty($pconfig['dstnot']));

        if (isset($pconfig['natreflection'] ) && ($pconfig['natreflection'] == "enable" || $pconfig['natreflection'] == "disable")) {
            $natent['natreflection'] = $pconfig['natreflection'];
        }

        // save data
        if (isset($id)) {
            $a_1to1[$id] = $natent;
        } else {
            $a_1to1[] = $natent;
        }

        if (write_config()) {
            mark_subsystem_dirty('natconf');
        }
        header("Location: firewall_nat_1to1.php");
        exit;
    }
Ad Schellevis's avatar
Ad Schellevis committed
217 218
}

219
legacy_html_escape_form_data($pconfig);
Ad Schellevis's avatar
Ad Schellevis committed
220 221 222 223
$pgtitle = array(gettext("Firewall"),gettext("NAT"),gettext("1:1"),gettext("Edit"));
include("head.inc");
?>

Ad Schellevis's avatar
Ad Schellevis committed
224
<body>
225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270
  <script type="text/javascript">
  $( document ).ready(function() {

    // select / input combination, link behaviour
    // when the data attribute "data-other" is selected, display related input item(s)
    // push changes from input back to selected option value
    $('[for!=""][for]').each(function(){
        var refObj = $("#"+$(this).attr("for"));
        if (refObj.is("select")) {
            // connect on change event to select box (show/hide)
            refObj.change(function(){
              if ($(this).find(":selected").attr("data-other") == "true") {
                  // show related controls
                  $('*[for="'+$(this).attr("id")+'"]').each(function(){
                    if ($(this).hasClass("selectpicker")) {
                      $(this).selectpicker('show');
                    } else {
                      $(this).removeClass("hidden");
                    }
                  });
              } else {
                  // hide related controls
                  $('*[for="'+$(this).attr("id")+'"]').each(function(){
                    if ($(this).hasClass("selectpicker")) {
                      $(this).selectpicker('hide');
                    } else {
                      $(this).addClass("hidden");
                    }
                  });
              }
            });
            // update initial
            refObj.change();

            // connect on change to input to save data to selector
            if ($(this).attr("name") == undefined) {
              $(this).change(function(){
                  var otherOpt = $('#'+$(this).attr('for')+' > option[data-other="true"]') ;
                  otherOpt.attr("value",$(this).val());
              });
            }
        }
    });

  });
  </script>
Ad Schellevis's avatar
Ad Schellevis committed
271

272
<?php include("fbegin.inc"); ?>
273 274 275
  <section class="page-content-main">
    <div class="container-fluid">
      <div class="row">
276
<?php
277 278
        if (isset($input_errors) && count($input_errors) > 0)
          print_input_errors($input_errors);
279
?>
280 281 282 283 284 285 286 287 288
        <section class="col-xs-12">
          <div class="content-box">
            <form action="firewall_nat_1to1_edit.php" method="post" name="iform" id="iform">
              <div class="table-responsive">
                <table class="table table-striped">
                  <tr>
                    <td valign="top"><?=gettext("Edit NAT 1:1 entry"); ?></td>
                    <td align="right">
                      <small><?=gettext("full help"); ?> </small>
289
                      <i class="fa fa-toggle-off text-danger"  style="cursor: pointer;" id="show_all_help_page" type="button"></i></a>
290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_disabled" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Disabled"); ?></td>
                    <td>
                      <input name="disabled" type="checkbox" id="disabled" value="yes" <?= !empty($pconfig['disabled']) ? "checked=\"checked\"" : ""; ?> />
                      <div class="hidden" for="help_for_disabled">
                        <strong><?=gettext("Disable this rule"); ?></strong><br />
                        <?=gettext("Set this option to disable this rule without removing it from the list."); ?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_interface" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Interface"); ?></td>
                    <td>
                      <div class="input-group">
306
                        <select name="interface" class="selectpicker" data-width="auto" data-live-search="true">
307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471
  <?php
                          foreach (formInterfaces() as $iface => $ifacename): ?>
                          <option value="<?=$iface;?>" <?= $iface == $pconfig['interface'] ? "selected=\"selected\"" : ""; ?>>
                            <?=htmlspecialchars($ifacename);?>
                          </option>
                          <?php endforeach; ?>
                        </select>
                      </div>
                      <div class="hidden" for="help_for_interface">
                        <?=gettext("Choose which interface this rule applies to"); ?>.<br />
                        <?=gettext("Hint: in most cases, you'll want to use WAN here"); ?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_external" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("External subnet IP"); ?></td>
                    <td>
                      <input name="external" type="text" value="<?=$pconfig['external'];?>" />
                      <br />
                      <div class="hidden" for="help_for_external">
                        <?=gettext("Enter the external (usually on a WAN) subnet's starting address for the 1:1 mapping.  ");?><br />
                        <?=gettext("The subnet mask from the internal address below will be applied to this IP address."); ?><br />
                        <?=gettext("Hint: this is generally an address owned by the router itself on the selected interface."); ?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                      <td><a id="help_for_src_invert" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Internal IP") . " / ".gettext("Invert");?> </td>
                      <td>
                        <input name="srcnot" type="checkbox" id="srcnot" value="yes" <?= !empty($pconfig['srcnot']) ? "checked=\"checked\"" : "";?> />
                        <div class="hidden" for="help_for_src_invert">
                          <?=gettext("Use this option to invert the sense of the match."); ?>
                        </div>
                      </td>
                  </tr>
                  <tr>
                      <td><a id="help_for_src" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Internal IP"); ?></td>
                      <td>
                        <table class="table table-condensed">
                          <tr>
                            <td>
                              <select name="src" id="src" class="selectpicker" data-live-search="true" data-size="5" data-width="auto">
                                <option data-other=true value="<?=$pconfig['src'];?>" <?=!is_specialnet($pconfig['src']) ? "selected=\"selected\"" : "";?>><?=gettext("Single host or Network"); ?></option>
                                <optgroup label="<?=gettext("aliasses");?>">
  <?php                        foreach (legacy_list_aliasses("network") as $alias):
  ?>
                                  <option value="<?=$alias['name'];?>" <?=$alias['name'] == $pconfig['src'] ? "selected=\"selected\"" : "";?>><?=htmlspecialchars($alias['name']);?></option>
  <?php                          endforeach; ?>
                                </optgroup>
                                <optgroup label="<?=gettext("net");?>">
  <?php                          foreach (formNetworks() as $ifent => $ifdesc):
  ?>
                                  <option value="<?=$ifent;?>" <?= $pconfig['src'] == $ifent ? "selected=\"selected\"" : ""; ?>><?=$ifdesc;?></option>
  <?php                            endforeach; ?>
                              </optgroup>
                            </select>
                          </td>
                        </tr>
                        <tr>
                          <td>
                            <div class="input-group">
                            <!-- updates to "other" option in  src -->
                            <input type="text" for="src" value="<?=$pconfig['src'];?>" aria-label="<?=gettext("Source address");?>"/>
                            <select name="srcmask" class="selectpicker" data-size="5" id="srcmask"  data-width="auto" for="src" >
                            <?php for ($i = 32; $i > 0; $i--): ?>
                              <option value="<?=$i;?>" <?= $i == $pconfig['srcmask'] ? "selected=\"selected\"" : ""; ?>><?=$i;?></option>
                            <?php endfor; ?>
                            </select>
                          </div>
                          </td>
                        </tr>
                      </table>
                      <div class="hidden" for="help_for_src">
                        <?=gettext("Enter the internal (LAN) subnet for the 1:1 mapping. The subnet size specified for the internal subnet will be applied to the external subnet."); ?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td> <a id="help_for_dst_invert" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Destination") . " / ".gettext("Invert");?> </td>
                    <td>
                      <input name="dstnot" type="checkbox" id="srcnot" value="yes" <?= !empty($pconfig['dstnot']) ? "checked=\"checked\"" : "";?> />
                      <div class="hidden" for="help_for_dst_invert">
                        <?=gettext("Use this option to invert the sense of the match."); ?>
                      </div>
                    </td>
                  </tr>
                  <tr>
                    <td><a id="help_for_dst" href="#" class="showhelp"><i class="fa fa-info-circle"></i></a> <?=gettext("Destination"); ?></td>
                    <td>
                      <table class="table table-condensed">
                        <tr>
                          <td>
                            <select name="dst" id="dst" class="selectpicker" data-live-search="true" data-size="5" data-width="auto">
                              <option data-other=true value="<?=$pconfig['dst'];?>" <?=!is_specialnet($pconfig['dst']) ? "selected=\"selected\"" : "";?>><?=gettext("Single host or Network"); ?></option>
                              <optgroup label="<?=gettext("aliasses");?>">
  <?php                        foreach (legacy_list_aliasses("network") as $alias):
  ?>
                                <option value="<?=$alias['name'];?>" <?=$alias['name'] == $pconfig['dst'] ? "selected=\"selected\"" : "";?>><?=htmlspecialchars($alias['name']);?></option>
  <?php                          endforeach; ?>
                              </optgroup>
                              <optgroup label="<?=gettext("net");?>">
  <?php                          foreach (formNetworks() as $ifent => $ifdesc):
  ?>
                                <option value="<?=$ifent;?>" <?= $pconfig['dst'] == $ifent ? "selected=\"selected\"" : ""; ?>><?=$ifdesc;?></option>
  <?php                            endforeach; ?>
                              </optgroup>
                            </select>
                          </td>
                        </tr>
                        <tr>
                          <td>
                            <div class="input-group">
                            <!-- updates to "other" option in  src -->
                            <input type="text" for="dst" value="<?= !is_specialnet($pconfig['dst']) ? $pconfig['dst'] : "";?>" aria-label="<?=gettext("Destination address");?>"/>
                            <select name="dstmask" class="selectpicker" data-size="5" id="dstmask"  data-width="auto" for="dst" >
                            <?php for ($i = 32; $i > 0; $i--): ?>
                              <option value="<?=$i;?>" <?= $i == $pconfig['dstmask'] ? "selected=\"selected\"" : ""; ?>><?=$i;?></option>
                            <?php endfor; ?>
                            </select>
                          </div>
                          </td>
                        </tr>
                      </table>
                      <div class="hidden" for="help_for_dst">
                        <?=gettext("The 1:1 mapping will only be used for connections to or from the specified destination."); ?><br />
                        <?=gettext("Hint: this is usually 'any'."); ?>
                      </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" class="formfld unknown" id="descr" size="40" value="<?=$pconfig['descr'];?>" />
                      <div class="hidden" for="help_for_descr">
                        <?=gettext("You may enter a description here " ."for your reference (not parsed)."); ?>
                      </div>
                  </tr>
                  <tr>
                    <td><i class="fa fa-info-circle text-muted"></i> <?=gettext("NAT reflection"); ?></td>
                    <td>
                      <select name="natreflection" class="selectpicker">
                      <option value="default" <?=$pconfig['natreflection'] != "enable" && $pconfig['natreflection'] != "disable" ? "selected=\"selected\"" : ""; ?>><?=gettext("Use system default"); ?></option>
                      <option value="enable" <?=$pconfig['natreflection'] == "enable" ? "selected=\"selected\"" : ""; ?>><?=gettext("Enable"); ?></option>
                      <option value="disable" <?=$pconfig['natreflection'] == "disable" ? "selected=\"selected\"" : ""; ?>><?=gettext("Disable"); ?></option>
                      </select>
                    </td>
                  </tr>
                  <tr>
                    <td>&nbsp;</td>
                    <td>
                      <input name="Submit" type="submit" class="btn btn-primary" value="<?=gettext("Save"); ?>" />
                      <input type="button" class="btn btn-default" value="<?=gettext("Cancel");?>" onclick="window.location.href='<?=(isset($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : '/firewall_nat_1to1.php');?>'" />
                      <?php if (isset($id)): ?>
                      <input name="id" type="hidden" value="<?=$id;?>" />
                      <?php endif; ?>
                    </td>
                  </tr>
                </table>
              </div>
            </form>
          </div>
        </section>
      </div>
    </div>
  </section>
472
<?php include("foot.inc"); ?>