1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
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
217
218
219
220
221
222
223
224
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
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
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
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
|
<?php
/* $Id$ */
/*
firewall_nat_1to1_edit.php
part of m0n0wall (http://m0n0.ch/wall)
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.
*/
/*
pfSense_MODULE: nat
*/
##|+PRIV
##|*IDENT=page-firewall-nat-1-1-edit
##|*NAME=Firewall: NAT: 1:1: Edit page
##|*DESCR=Allow access to the 'Firewall: NAT: 1:1: Edit' page.
##|*MATCH=firewall_nat_1to1_edit.php*
##|-PRIV
function nat1to1cmp($a, $b) {
return ipcmp($a['external'], $b['external']);
}
function nat_1to1_rules_sort() {
global $g, $config;
if (!is_array($config['nat']['onetoone']))
return;
usort($config['nat']['onetoone'], "nat1to1cmp");
}
require("guiconfig.inc");
require_once("interfaces.inc");
require("filter.inc");
require("shaper.inc");
$specialsrcdst = explode(" ", "any pptp pppoe l2tp openvpn");
$ifdisp = get_configured_interface_with_descr();
foreach ($ifdisp as $kif => $kdescr) {
$specialsrcdst[] = "{$kif}";
$specialsrcdst[] = "{$kif}ip";
}
if (!is_array($config['nat']['onetoone'])) {
$config['nat']['onetoone'] = array();
}
$a_1to1 = &$config['nat']['onetoone'];
$id = $_GET['id'];
if (isset($_POST['id']))
$id = $_POST['id'];
if (isset($id) && $a_1to1[$id]) {
$pconfig['disabled'] = isset($a_1to1[$id]['disabled']);
address_to_pconfig($a_1to1[$id]['source'], $pconfig['src'],
$pconfig['srcmask'], $pconfig['srcnot'],
$pconfig['srcbeginport'], $pconfig['srcendport']);
address_to_pconfig($a_1to1[$id]['destination'], $pconfig['dst'],
$pconfig['dstmask'], $pconfig['dstnot'],
$pconfig['dstbeginport'], $pconfig['dstendport']);
$pconfig['interface'] = $a_1to1[$id]['interface'];
if (!$pconfig['interface'])
$pconfig['interface'] = "wan";
$pconfig['external'] = $a_1to1[$id]['external'];
$pconfig['descr'] = $a_1to1[$id]['descr'];
$pconfig['natreflection'] = $a_1to1[$id]['natreflection'];
} else
$pconfig['interface'] = "wan";
if ($_POST) {
unset($input_errors);
$pconfig = $_POST;
/* input validation */
$reqdfields = explode(" ", "interface external");
$reqdfieldsn = array(gettext("Interface"), gettext("External subnet"));
if ($_POST['srctype'] == "single" || $_POST['srctype'] == "network") {
$reqdfields[] = "src";
$reqdfieldsn[] = gettext("Source address");
}
if ($_POST['dsttype'] == "single" || $_POST['dsttype'] == "network") {
$reqdfields[] = "dst";
$reqdfieldsn[] = gettext("Destination address");
}
do_input_validation($_POST, $reqdfields, $reqdfieldsn, &$input_errors);
if (is_specialnet($_POST['srctype'])) {
$_POST['src'] = $_POST['srctype'];
$_POST['srcmask'] = 0;
} else if ($_POST['srctype'] == "single") {
$_POST['srcmask'] = 32;
}
if (is_specialnet($_POST['dsttype'])) {
$_POST['dst'] = $_POST['dsttype'];
$_POST['dstmask'] = 0;
} else if ($_POST['dsttype'] == "single") {
$_POST['dstmask'] = 32;
} else if (is_ipaddr($_POST['dsttype'])) {
$_POST['dst'] = $_POST['dsttype'];
$_POST['dstmask'] = 32;
$_POST['dsttype'] = "single";
}
if (($_POST['external'] && !is_ipaddroralias($_POST['external'])))
$input_errors[] = gettext("A valid external subnet must be specified.");
/* if user enters an alias and selects "network" then disallow. */
if( ($_POST['srctype'] == "network" && is_alias($_POST['src']) )
|| ($_POST['dsttype'] == "network" && is_alias($_POST['dst']) ) )
$input_errors[] = gettext("You must specify single host or alias for alias entries.");
if (!is_specialnet($_POST['srctype'])) {
if (($_POST['src'] && !is_ipaddroralias($_POST['src']))) {
$input_errors[] = sprintf(gettext("%s is not a valid source IP address or alias."), $_POST['src']);
}
if (($_POST['srcmask'] && !is_numericint($_POST['srcmask']))) {
$input_errors[] = gettext("A valid source bit count must be specified.");
}
}
if (!is_specialnet($_POST['dsttype'])) {
if (($_POST['dst'] && !is_ipaddroralias($_POST['dst']))) {
$input_errors[] = sprintf(gettext("%s is not a valid destination IP address or alias."), $_POST['dst']);
}
if (($_POST['dstmask'] && !is_numericint($_POST['dstmask']))) {
$input_errors[] = gettext("A valid destination bit count must be specified.");
}
}
/* check for overlaps with other 1:1 */
foreach ($a_1to1 as $natent) {
if (isset($id) && ($a_1to1[$id]) && ($a_1to1[$id] === $natent))
continue;
if (check_subnets_overlap($_POST['internal'], $_POST['subnet'], $natent['internal'], $natent['subnet'])) {
//$input_errors[] = "Another 1:1 rule overlaps with the specified internal subnet.";
//break;
}
}
if (!$input_errors) {
$natent = array();
$natent['disabled'] = isset($_POST['disabled']) ? true:false;
$natent['external'] = $_POST['external'];
$natent['descr'] = $_POST['descr'];
$natent['interface'] = $_POST['interface'];
pconfig_to_address($natent['source'], $_POST['src'],
$_POST['srcmask'], $_POST['srcnot']);
pconfig_to_address($natent['destination'], $_POST['dst'],
$_POST['dstmask'], $_POST['dstnot']);
if ($_POST['natreflection'] == "enable" || $_POST['natreflection'] == "disable")
$natent['natreflection'] = $_POST['natreflection'];
else
unset($natent['natreflection']);
if (isset($id) && $a_1to1[$id])
$a_1to1[$id] = $natent;
else
$a_1to1[] = $natent;
nat_1to1_rules_sort();
mark_subsystem_dirty('natconf');
write_config();
header("Location: firewall_nat_1to1.php");
exit;
}
}
$pgtitle = array(gettext("Firewall"),gettext("NAT"),gettext("1:1"),gettext("Edit"));
include("head.inc");
?>
<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
<script type="text/javascript" src="/javascript/suggestions.js">
</script>
<script type="text/javascript" src="/javascript/autosuggest.js">
</script>
<script type="text/javascript">
function typesel_change() {
switch (document.iform.srctype.selectedIndex) {
case 1: /* single */
document.iform.src.disabled = 0;
document.iform.srcmask.value = "";
document.iform.srcmask.disabled = 1;
break;
case 2: /* network */
document.iform.src.disabled = 0;
document.iform.srcmask.disabled = 0;
break;
default:
document.iform.src.value = "";
document.iform.src.disabled = 1;
document.iform.srcmask.value = "";
document.iform.srcmask.disabled = 1;
break;
}
switch (document.iform.dsttype.selectedIndex) {
case 1: /* single */
document.iform.dst.disabled = 0;
document.iform.dstmask.value = "";
document.iform.dstmask.disabled = 1;
break;
case 2: /* network */
document.iform.dst.disabled = 0;
document.iform.dstmask.disabled = 0;
break;
default:
document.iform.dst.value = "";
document.iform.dst.disabled = 1;
document.iform.dstmask.value = "";
document.iform.dstmask.disabled = 1;
break;
}
}
</script>
<?php include("fbegin.inc"); ?>
<?php if ($input_errors) print_input_errors($input_errors); ?>
<form action="firewall_nat_1to1_edit.php" method="post" name="iform" id="iform">
<table width="100%" border="0" cellpadding="6" cellspacing="0">
<tr>
<td colspan="2" valign="top" class="listtopic"><?=gettext("Edit NAT 1:1 entry"); ?></td>
</tr>
<tr>
<td width="22%" valign="top" class="vncellreq"><?=gettext("Disabled"); ?></td>
<td width="78%" class="vtable">
<input name="disabled" type="checkbox" id="disabled" value="yes" <?php if ($pconfig['disabled']) echo "checked"; ?>>
<strong><?=gettext("Disable this rule"); ?></strong><br />
<span class="vexpl"><?=gettext("Set this option to disable this rule without removing it from the list."); ?></span>
</td>
<tr>
<td width="22%" valign="top" class="vncellreq"><?=gettext("Interface"); ?></td>
<td width="78%" class="vtable">
<select name="interface" class="formselect">
<?php
foreach ($ifdisp as $if => $ifdesc)
if(have_ruleint_access($if))
$interfaces[$if] = $ifdesc;
if ($config['l2tp']['mode'] == "server")
if(have_ruleint_access("l2tp"))
$interfaces['l2tp'] = "L2TP VPN";
if ($config['pptpd']['mode'] == "server")
if(have_ruleint_access("pptp"))
$interfaces['pptp'] = "PPTP VPN";
if ($config['pppoe']['mode'] == "server")
if(have_ruleint_access("pppoe"))
$interfaces['pppoe'] = "PPPoE VPN";
/* add ipsec interfaces */
if (isset($config['ipsec']['enable']) || isset($config['ipsec']['mobileclients']['enable']))
if(have_ruleint_access("enc0"))
$interfaces["enc0"] = "IPsec";
/* add openvpn/tun interfaces */
if ($config['openvpn']["openvpn-server"] || $config['openvpn']["openvpn-client"])
$interfaces["openvpn"] = "OpenVPN";
foreach ($interfaces as $iface => $ifacename):
?>
<option value="<?=$iface;?>" <?php if ($iface == $pconfig['interface']) echo "selected"; ?>>
<?=htmlspecialchars($ifacename);?>
</option>
<?php endforeach; ?>
</select><br>
<span class="vexpl"><?=gettext("Choose which interface this rule applies to"); ?>.<br>
<?=gettext("Hint: in most cases, you'll want to use WAN here"); ?>.</span></td>
</tr>
<tr>
<td width="22%" valign="top" class="vncellreq"><?=gettext("External subnet IP"); ?></td>
<td width="78%" class="vtable">
<input name="external" type="text" class="formfldalias" id="external" size="20" value="<?=htmlspecialchars($pconfig['external']);?>">
<br/>
<span class="vexpl"><?=gettext("Enter the external (usually on a WAN) subnet's starting address for the 1:1 mapping. The subnet mask from the source address below will be applied to this IP address."); ?><br>
<?=gettext("Hint: this is generally an address owned by the router itself on the selected interface."); ?></span>
</td>
</tr>
<tr>
<td width="22%" valign="top" class="vncellreq"><?=gettext("Source"); ?></td>
<td width="78%" class="vtable">
<input name="srcnot" type="checkbox" id="srcnot" value="yes" <?php if ($pconfig['srcnot']) echo "checked"; ?>>
<strong><?=gettext("not"); ?></strong>
<br />
<?=gettext("Use this option to invert the sense of the match."); ?>
<br />
<br />
<table border="0" cellspacing="0" cellpadding="0">
<tr>
<td><?=gettext("Type:"); ?> </td>
<td>
<select name="srctype" class="formselect" onChange="typesel_change()">
<?php
$sel = is_specialnet($pconfig['src']); ?>
<option value="any" <?php if ($pconfig['src'] == "any") { echo "selected"; } ?>><?=gettext("any"); ?></option>
<option value="single" <?php if (($pconfig['srcmask'] == 32) && !$sel) { echo "selected"; $sel = 1; } ?>><?=gettext("Single host"); ?></option>
<option value="network" <?php if (!$sel) echo "selected"; ?>><?=gettext("Network"); ?></option>
<?php if(have_ruleint_access("pptp")): ?>
<option value="pptp" <?php if ($pconfig['src'] == "pptp") { echo "selected"; } ?>><?=gettext("PPTP clients"); ?></option>
<?php endif; ?>
<?php if(have_ruleint_access("pppoe")): ?>
<option value="pppoe" <?php if ($pconfig['src'] == "pppoe") { echo "selected"; } ?>><?=gettext("PPPoE clients"); ?></option>
<?php endif; ?>
<?php if(have_ruleint_access("l2tp")): ?>
<option value="l2tp" <?php if ($pconfig['src'] == "l2tp") { echo "selected"; } ?>><?=gettext("L2TP clients"); ?></option>
<?php endif; ?>
<?php
foreach ($ifdisp as $ifent => $ifdesc): ?>
<?php if(have_ruleint_access($ifent)): ?>
<option value="<?=$ifent;?>" <?php if ($pconfig['src'] == $ifent) { echo "selected"; } ?>><?=htmlspecialchars($ifdesc);?> <?=gettext("subnet"); ?></option>
<option value="<?=$ifent;?>ip"<?php if ($pconfig['src'] == $ifent . "ip") { echo "selected"; } ?>>
<?=$ifdesc?> <?=gettext("address");?>
</option>
<?php endif; endforeach; ?>
</select>
</td>
</tr>
<tr>
<td><?=gettext("Address:"); ?> </td>
<td>
<input name="src" type="text" class="formfldalias" id="src" size="20" value="<?php if (!is_specialnet($pconfig['src'])) echo htmlspecialchars($pconfig['src']);?>"> /
<select name="srcmask" class="formselect" id="srcmask">
<?php for ($i = 31; $i > 0; $i--): ?>
<option value="<?=$i;?>" <?php if ($i == $pconfig['srcmask']) echo "selected"; ?>><?=$i;?></option>
<?php endfor; ?>
</select>
</td>
</tr>
</table>
<br/>
<span class="vexpl"><?=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."); ?></span>
</td>
</tr>
<tr>
<td width="22%" valign="top" class="vncellreq"><?=gettext("Destination"); ?></td>
<td width="78%" class="vtable">
<input name="dstnot" type="checkbox" id="dstnot" value="yes" <?php if ($pconfig['dstnot']) echo "checked"; ?>>
<strong><?=gettext("not"); ?></strong>
<br />
<?=gettext("Use this option to invert the sense of the match."); ?>
<br />
<br />
<table border="0" cellspacing="0" cellpadding="0">
<tr>
<td><?=gettext("Type:"); ?> </td>
<td>
<select name="dsttype" class="formselect" onChange="typesel_change()">
<?php
$sel = is_specialnet($pconfig['dst']); ?>
<option value="any" <?php if (empty($pconfig['dst']) || $pconfig['dst'] == "any") { echo "selected"; } ?>><?=gettext("any"); ?></option>
<option value="single" <?php if (($pconfig['dstmask'] == 32) && !$sel) { echo "selected"; $sel = 1; } ?>><?=gettext("Single host or alias"); ?></option>
<option value="network" <?php if (!$sel && !empty($pconfig['dst'])) echo "selected"; ?>><?=gettext("Network"); ?></option>
<?php if(have_ruleint_access("pptp")): ?>
<option value="pptp" <?php if ($pconfig['dst'] == "pptp") { echo "selected"; } ?>><?=gettext("PPTP clients"); ?></option>
<?php endif; ?>
<?php if(have_ruleint_access("pppoe")): ?>
<option value="pppoe" <?php if ($pconfig['dst'] == "pppoe") { echo "selected"; } ?>><?=gettext("PPPoE clients"); ?></option>
<?php endif; ?>
<?php if(have_ruleint_access("l2tp")): ?>
<option value="l2tp" <?php if ($pconfig['dst'] == "l2tp") { echo "selected"; } ?>><?=gettext("L2TP clients"); ?></option>
<?php endif; ?>
<?php foreach ($ifdisp as $if => $ifdesc): ?>
<?php if(have_ruleint_access($if)): ?>
<option value="<?=$if;?>" <?php if ($pconfig['dst'] == $if) { echo "selected"; } ?>><?=htmlspecialchars($ifdesc);?> <?=gettext("subnet"); ?></option>
<option value="<?=$if;?>ip"<?php if ($pconfig['dst'] == $if . "ip") { echo "selected"; } ?>>
<?=$ifdesc;?> <?=gettext("address");?>
</option>
<?php endif; endforeach; ?>
</select>
</td>
</tr>
<tr>
<td><?=gettext("Address:"); ?> </td>
<td>
<input name="dst" type="text" class="formfldalias" id="dst" size="20" value="<?php if (!is_specialnet($pconfig['dst'])) echo htmlspecialchars($pconfig['dst']);?>">
/
<select name="dstmask" class="formselect" id="dstmask">
<?php
for ($i = 31; $i > 0; $i--): ?>
<option value="<?=$i;?>" <?php if ($i == $pconfig['dstmask']) echo "selected"; ?>><?=$i;?></option>
<?php endfor; ?>
</select>
</td>
</tr>
</table>
<br/>
<span class="vexpl"><?=gettext("The 1:1 mapping will only be used for connections to or from the specified destination."); ?><br>
<?=gettext("Hint: this is usually 'any'."); ?></span>
</tr>
<tr>
<td width="22%" valign="top" class="vncell"><?=gettext("Description"); ?></td>
<td width="78%" class="vtable">
<input name="descr" type="text" class="formfld unknown" id="descr" size="40" value="<?=htmlspecialchars($pconfig['descr']);?>">
<br/> <span class="vexpl"><?=gettext("You may enter a description here " .
"for your reference (not parsed)."); ?></span></td>
</tr>
<tr>
<td width="22%" valign="top" class="vncell"><?=gettext("NAT reflection"); ?></td>
<td width="78%" class="vtable">
<select name="natreflection" class="formselect">
<option value="default" <?php if ($pconfig['natreflection'] != "enable" && $pconfig['natreflection'] != "disable") echo "selected"; ?>><?=gettext("use system default"); ?></option>
<option value="enable" <?php if ($pconfig['natreflection'] == "enable") echo "selected"; ?>><?=gettext("enable"); ?></option>
<option value="disable" <?php if ($pconfig['natreflection'] == "disable") echo "selected"; ?>><?=gettext("disable"); ?></option>
</select>
</td>
</tr>
<tr>
<td width="22%" valign="top"> </td>
<td width="78%">
<input name="Submit" type="submit" class="formbtn" value="<?=gettext("Save"); ?>"> <input type="button" class="formbtn" value="<?=gettext("Cancel"); ?>" onclick="history.back()">
<?php if (isset($id) && $a_1to1[$id]): ?>
<input name="id" type="hidden" value="<?=$id;?>">
<?php endif; ?>
</td>
</tr>
</table>
</form>
<script language="JavaScript">
typesel_change();
</script>
<?php
$isfirst = 0;
$aliases = "";
$addrisfirst = 0;
$aliasesaddr = "";
if($config['aliases']['alias'] <> "")
foreach($config['aliases']['alias'] as $alias_name) {
switch ($alias_name['type']) {
case "host":
case "network":
case "openvpn":
case "urltable":
if($addrisfirst == 1) $aliasesaddr .= ",";
$aliasesaddr .= "'" . $alias_name['name'] . "'";
$addrisfirst = 1;
break;
default:
break;
}
}
?>
<script language="JavaScript">
<!--
var addressarray=new Array(<?php echo $aliasesaddr; ?>);
var oTextbox1 = new AutoSuggestControl(document.getElementById("external"), new StateSuggestions(addressarray));
var oTextbox2 = new AutoSuggestControl(document.getElementById("src"), new StateSuggestions(addressarray));
var oTextbox3 = new AutoSuggestControl(document.getElementById("dst"), new StateSuggestions(addressarray));
//-->
</script>
<?php include("fend.inc"); ?>
</body>
</html>
|