Project

General

Profile

Download (21 KB) Statistics
| Branch: | Tag: | Revision:
1
<?php
2
/* $Id$ */
3
/*
4
    firewall_nat_out.php
5
    Copyright (C) 2004 Scott Ullrich
6
    All rights reserved.
7

    
8
    originally part of m0n0wall (http://m0n0.ch/wall)
9
    Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
10
    All rights reserved.
11

    
12
    Redistribution and use in source and binary forms, with or without
13
    modification, are permitted provided that the following conditions are met:
14

    
15
    1. Redistributions of source code must retain the above copyright notice,
16
       this list of conditions and the following disclaimer.
17

    
18
    2. Redistributions in binary form must reproduce the above copyright
19
       notice, this list of conditions and the following disclaimer in the
20
       documentation and/or other materials provided with the distribution.
21

    
22
    THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
23
    INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
24
    AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25
    AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
26
    OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27
    SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28
    INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29
    CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30
    ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31
    POSSIBILITY OF SUCH DAMAGE.
32
*/
33
/*
34
	pfSense_MODULE:	nat
35
*/
36

    
37
##|+PRIV
38
##|*IDENT=page-firewall-nat-outbound
39
##|*NAME=Firewall: NAT: Outbound page
40
##|*DESCR=Allow access to the 'Firewall: NAT: Outbound' page.
41
##|*MATCH=firewall_nat_out.php*
42
##|-PRIV
43

    
44
require("guiconfig.inc");
45
require_once("functions.inc");
46
require_once("filter.inc");
47
require_once("shaper.inc");
48

    
49
if (!is_array($config['nat']['advancedoutbound']))
50
	$config['nat']['advancedoutbound'] = array();
51

    
52
if (!is_array($config['nat']['advancedoutbound']['rule']))
53
	$config['nat']['advancedoutbound']['rule'] = array();
54

    
55
$a_out = &$config['nat']['advancedoutbound']['rule'];
56

    
57
if ($_POST['apply']) {
58
	write_config();
59

    
60
	$retval = 0;
61
	$retval |= filter_configure();
62

    
63
	if(stristr($retval, "error") <> true)
64
	        $savemsg = get_std_save_message($retval);
65
	else
66
		$savemsg = $retval;
67

    
68
	if ($retval == 0) {
69
		clear_subsystem_dirty('natconf');
70
		clear_subsystem_dirty('filter');
71
        }
72
}
73

    
74

    
75

    
76
if (isset($_POST['save']) && $_POST['save'] == "Save") {
77
	/* mutually exclusive settings - if user wants advanced NAT, we don't generate automatic rules */
78
	switch ($_POST['advancedoripsec']) {
79
	case "ipsecpassthru":
80
               	$config['nat']['ipsecpassthru']['enable'] = true;
81
               	unset($config['nat']['advancedoutbound']['enable']);
82
		break;
83
	case "advancedoutboundnat":
84
        	if (!isset($config['nat']['advancedoutbound']['enable'])) {
85
			$config['nat']['advancedoutbound']['enable'] = true;
86
			// if there are already AON rules configured, don't generate default ones
87
			if(!empty($a_out))
88
				continue;
89
			/*
90
			 *    user has enabled advanced outbound NAT and doesn't have rules
91
			 *    lets automatically create entries
92
			 *    for all of the interfaces to make life easier on the pip-o-chap
93
			 */
94
			$ifdescrs = get_configured_interface_with_descr();
95
				
96
			foreach($ifdescrs as $if => $ifdesc) {
97
				if (interface_has_gateway($if))
98
					continue;
99
				$osipaddr = get_interface_ip($if);
100
				$ossubnet = get_interface_subnet($if);
101
				if (!is_ipaddr($osipaddr) || empty($ossubnet))
102
					continue;
103
				$osn = gen_subnet($osipaddr, $ossubnet);
104
				foreach ($ifdescrs as $if2 => $ifdesc2) {
105
					if (!interface_has_gateway($if2))
106
						continue;
107

    
108
					$natent = array();
109
					$natent['source']['network'] = "{$osn}/{$ossubnet}";
110
					$natent['dstport'] = "500";
111
					$natent['descr'] = sprintf(gettext('Auto created rule for ISAKMP - %1$s to %2$s'),$ifdesc,$ifdesc2);
112
					$natent['target'] = "";
113
					$natent['interface'] = $if2;
114
					$natent['destination']['any'] = true;
115
					$natent['staticnatport'] = true;
116
					$a_out[] = $natent;
117
					
118
					$natent = array();
119
                                        $natent['source']['network'] = "{$osn}/{$ossubnet}";
120
                                        $natent['sourceport'] = "";
121
                                        $natent['descr'] = sprintf(gettext('Auto created rule for %1$s to %2$s'),$ifdesc,$ifdesc2);
122
                                        $natent['target'] = "";
123
                                        $natent['interface'] = $if2;
124
                                        $natent['destination']['any'] = true;
125
                                        $natent['natport'] = "";
126
                                        $a_out[] = $natent;
127
					
128
					/* PPTP subnet */
129
					if($config['pptpd']['mode'] == "server") {
130
						if (is_ipaddr($config['pptpd']['localip'])) {
131
							if($config['pptpd']['pptp_subnet'] <> "")
132
								$ossubnet = $config['pptpd']['pptp_subnet'];
133
							else
134
								$ossubnet = "32";
135
							$osn = gen_subnet($config['pptpd']['localip'], $ossubnet);
136
							$natent = array();
137
							$natent['source']['network'] = "{$osn}/{$ossubnet}";
138
							$natent['sourceport'] = "";
139
							$natent['descr'] = gettext("Auto created rule for PPTP server");
140
							$natent['target'] = "";
141
							$natent['interface'] = $if2;
142
							$natent['destination']['any'] = true;
143
							$natent['natport'] = "";
144
							$a_out[] = $natent;
145
						}
146
					}
147
					/* PPPoE subnet */
148
					if($config['pppoe']['mode'] == "server") {
149
						if (is_ipaddr($config['pppoe']['localip'])) {
150
							if($config['pppoe']['pppoe_subnet'] <> "")
151
								$ossubnet = $config['pppoe']['pppoe_subnet'];
152
							else
153
								$ossubnet = "32";
154
							$osn = gen_subnet($config['pppoe']['localip'], $ossubnet);
155
							$natent = array();
156
							$natent['source']['network'] = "{$osn}/{$ossubnet}";
157
							$natent['sourceport'] = "";
158
							$natent['descr'] = gettext("Auto created rule for PPPoE server");
159
							$natent['target'] = "";
160
							$natent['interface'] = $if2;
161
							$natent['destination']['any'] = true;
162
							$natent['natport'] = "";
163
							$a_out[] = $natent;
164
						}
165
					}
166
					/* L2TP subnet */
167
					if($config['l2tp']['mode'] == "server") {
168
						if (is_ipaddr($config['l2tp']['localip'])) {
169
							if($config['l2tp']['l2tp_subnet'] <> "")
170
								$ossubnet = $config['l2tp']['l2tp_subnet'];
171
							else
172
								$ossubnet = "32";
173
							$osn = gen_subnet($config['l2tp']['localip'], $ossubnet);
174
							$natent = array();
175
							$natent['source']['network'] = "{$osn}/{$ossubnet}";
176
							$natent['sourceport'] = "";
177
							$natent['descr'] = gettext("Auto created rule for L2TP server");
178
							$natent['target'] = "";
179
							$natent['interface'] = $if2;
180
							$natent['destination']['any'] = true;
181
							$natent['natport'] = "";
182
							$a_out[] = $natent;
183
						}
184
					}
185
					/* add openvpn interfaces */
186
					if($config['openvpn']['openvpn-server']) {
187
						foreach ($config['openvpn']['openvpn-server'] as $ovpnsrv) {
188
							$natent = array();
189
							$natent['source']['network'] = $ovpnsrv['tunnel_network'];
190
							$natent['sourceport'] = "";
191
							$natent['descr'] = gettext("Auto created rule for OpenVPN server");
192
							$natent['target'] = "";
193
							$natent['interface'] = $if2;
194
							$natent['destination']['any'] = true;
195
							$natent['natport'] = "";
196
							$a_out[] = $natent;
197
						}
198
					}
199
				}	
200
			}
201

    
202
			$savemsg = gettext("Default rules for each interface have been created.");
203
		}
204
		break;
205
	}
206
        write_config();
207
	mark_subsystem_dirty('natconf');
208
        header("Location: firewall_nat_out.php");
209
        exit;
210
}
211

    
212
if (isset($_POST['del_x'])) {
213
        /* delete selected rules */
214
        if (is_array($_POST['rule']) && count($_POST['rule'])) {
215
                foreach ($_POST['rule'] as $rulei) {
216
                        unset($a_out[$rulei]);
217
                }
218
                write_config();
219
		mark_subsystem_dirty('natconf');
220
                header("Location: firewall_nat_out.php");
221
                exit;
222
        }
223

    
224
} else {
225
        /* yuck - IE won't send value attributes for image buttons, while Mozilla does - so we use .x/.y to find move button clicks instead... */
226
        unset($movebtn);
227
        foreach ($_POST as $pn => $pd) {
228
                if (preg_match("/move_(\d+)_x/", $pn, $matches)) {
229
                        $movebtn = $matches[1];
230
                        break;
231
                }
232
        }
233
        /* move selected rules before this rule */
234
        if (isset($movebtn) && is_array($_POST['rule']) && count($_POST['rule'])) {
235
                $a_out_new = array();
236

    
237
                /* copy all rules < $movebtn and not selected */
238
                for ($i = 0; $i < $movebtn; $i++) {
239
                        if (!in_array($i, $_POST['rule']))
240
                                $a_out_new[] = $a_out[$i];
241
                }
242

    
243
                /* copy all selected rules */
244
                for ($i = 0; $i < count($a_out); $i++) {
245
                        if ($i == $movebtn)
246
                                continue;
247
                        if (in_array($i, $_POST['rule']))
248
                                $a_out_new[] = $a_out[$i];
249
                }
250

    
251
                /* copy $movebtn rule */
252
                if ($movebtn < count($a_out))
253
                        $a_out_new[] = $a_out[$movebtn];
254

    
255
                /* copy all rules > $movebtn and not selected */
256
                for ($i = $movebtn+1; $i < count($a_out); $i++) {
257
                        if (!in_array($i, $_POST['rule']))
258
                                $a_out_new[] = $a_out[$i];
259
                }
260
                if (count($a_out_new) > 0)
261
			$a_out = $a_out_new;
262
		else
263
			unset($config['nat']['advancedoutbound']);
264

    
265
                write_config();
266
		mark_subsystem_dirty('natconf');
267
                header("Location: firewall_nat_out.php");
268
                exit;
269
        }
270
}
271

    
272

    
273
$pgtitle = array(gettext("Firewall"),gettext("NAT"),gettext("Outbound"));
274
include("head.inc");
275

    
276
?>
277
<body link="#0000CC" vlink="#0000CC" alink="#0000CC">
278
<?php include("fbegin.inc"); ?>
279
<form action="firewall_nat_out.php" method="post" name="iform">
280
<script type="text/javascript" language="javascript" src="/javascript/row_toggle.js">
281
</script>
282
<?php if ($savemsg) print_info_box($savemsg); ?>
283
<?php if (is_subsystem_dirty('natconf')): ?><p>
284
<?php 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."));?><br>
285
<?php endif; ?>
286
<table width="100%" border="0" cellpadding="0" cellspacing="0">  <tr><td>
287
<?php
288
	$tab_array = array();
289
	$tab_array[] = array(gettext("Port Forward"), false, "firewall_nat.php");
290
	$tab_array[] = array(gettext("1:1"), false, "firewall_nat_1to1.php");
291
	$tab_array[] = array(gettext("Outbound"), true, "firewall_nat_out.php");
292
	display_top_tabs($tab_array);
293
?>
294
  </td></tr>
295
  <tr>
296
    <td>
297
	<div id="mainarea">
298
              <table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
299
				<tr><td align="right"><b><?=gettext("Mode:"); ?></b></td>
300
                  <td>
301
                      &nbsp;&nbsp;<input name="advancedoripsec" type="radio" id="ipsecpassthru" value="ipsecpassthru" <?php if (isset($config['nat']['ipsecpassthru']['enable'])) echo "checked";?>>
302
                      <strong><?=gettext("Automatic outbound NAT rule generation"); ?><br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<?=gettext("(IPsec passthrough included)");?></strong>
303
                  </td>
304

    
305
                  <td>
306
                      &nbsp;&nbsp;<input name="advancedoripsec" type="radio" id="advancedoutbound" value="advancedoutboundnat" <?php if (isset($config['nat']['advancedoutbound']['enable'])) echo "checked";?>>
307
                      <strong><?=gettext("Manual Outbound NAT rule generation") . "<br/>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;" . gettext("(AON - Advanced Outbound NAT)");?></strong></td>
308
                  <td valign="middle" align="left">
309
					<input name="save" type="submit" class="formbtn" value="<?=gettext("Save");?>">
310
					&nbsp;<br/>&nbsp;
311
                  </td>
312
                </tr>
313
				<tr>
314
					<td colspan="5">
315
						&nbsp;
316
					</td>
317
				</tr>
318
				<tr>
319
					<td  class="vtable" colspan="5">
320
						&nbsp;
321
					</td>
322
				</tr>
323
              </table>
324
              <table class="tabcont" width="100%" border="0" cellpadding="0" cellspacing="0">
325
				<tr><td colspan="5"><b>&nbsp;<?=gettext("Mappings:"); ?></b></td></tr>
326
				<tr><td>&nbsp;</td></tr>
327
                <tr id="frheader">
328
                  <td width="3%" class="list">&nbsp;</td>
329
                  <td width="3%" class="list">&nbsp;</td>
330
                  <td width="10%" class="listhdrr"><?=gettext("Interface");?></td>
331
                  <td width="15%" class="listhdrr"><?=gettext("Source");?></td>
332
                  <td width="10%" class="listhdrr"><?=gettext("Source Port");?></td>
333
                  <td width="15%" class="listhdrr"><?=gettext("Destination");?></td>
334
                  <td width="10%" class="listhdrr"><?=gettext("Destination Port");?></td>
335
                  <td width="15%" class="listhdrr"><?=gettext("NAT Address");?></td>
336
                  <td width="10%" class="listhdrr"><?=gettext("NAT Port");?></td>
337
		  <td width="10%" class="listhdrr"><?=gettext("Static Port");?></td>
338
                  <td width="25%" class="listhdr"><?=gettext("Description");?></td>
339
                  <td width="5%" class="list">
340
                    <table border="0" cellspacing="0" cellpadding="1">
341
                      <tr>
342
			<td width="17"></td>
343
                        <td><a href="firewall_nat_out_edit.php"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" title="<?=gettext("add new mapping");?>"></a></td>
344
                      </tr>
345
                    </table>
346
		  </td>
347
                </tr>
348
              <?php $nnats = $i = 0; foreach ($a_out as $natent): ?>
349
                <tr valign="top" id="fr<?=$nnats;?>">
350
                  <td class="listt"><input type="checkbox" id="frc<?=$nnats;?>" name="rule[]" value="<?=$i;?>" onClick="fr_bgcolor('<?=$nnats;?>')" style="margin: 0; padding: 0; width: 15px; height: 15px;"></td>
351
                  <td class="listt" align="center"></td>
352
                  <td class="listlr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
353
                    <?php
354
					if (!$natent['interface'])
355
					  	echo htmlspecialchars(convert_friendly_interface_to_friendly_descr("wan"));
356
					else
357
						echo htmlspecialchars(convert_friendly_interface_to_friendly_descr($natent['interface']));
358
					?>
359
                                        &nbsp;
360
                  </td>
361
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
362
                    <?=$natent['source']['network'];?>
363
                  </td>
364
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
365
                    <?php
366
                      if (!$natent['sourceport'])
367
                          echo "*";
368
                      else
369
                          echo $natent['sourceport'];
370
                    ?>
371
                  </td>
372
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
373
                    <?php
374
                      if (isset($natent['destination']['any']))
375
                          echo "*";
376
                      else {
377
                          if (isset($natent['destination']['not']))
378
                              echo "!&nbsp;";
379
                          echo $natent['destination']['address'];
380
                      }
381
                    ?>
382
                  </td>
383
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
384
                    <?php
385
                      if (!$natent['dstport'])
386
                          echo "*";
387
                      else
388
                          echo $natent['dstport'];
389
                    ?>
390
                  </td>
391
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
392
                    <?php
393
                      if (!$natent['target'])
394
                          echo "*";
395
                      else
396
                          echo $natent['target'];
397
                    ?>
398
                  </td>
399
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
400
                    <?php
401
                      if (!$natent['natport'])
402
                          echo "*";
403
                      else
404
                          echo $natent['natport'];
405
                    ?>
406
                  </td>
407
                  <td class="listr" onClick="fr_toggle(<?=$nnats;?>)" id="frd<?=$nnats;?>" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
408
                    <?php
409
			if(isset($natent['staticnatport']))
410
			    echo "<CENTER>" . gettext("YES") . "</CENTER>";
411
			else
412
			    echo "<CENTER>" . gettext("NO") . "</CENTER>";
413
                    ?>		    
414
                  </td>
415
                  <td class="listbg"  onClick="fr_toggle(<?=$nnats;?>)" ondblclick="document.location='firewall_nat_out_edit.php?id=<?=$nnats;?>';">
416
                    <?=htmlspecialchars($natent['descr']);?>&nbsp;
417
                  </td>
418
                  <td class="list" valign="middle" nowrap>
419
                    <table border="0" cellspacing="0" cellpadding="1">
420
                      <tr>
421
                        <td><a href="firewall_nat_out_edit.php?id=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_e.gif" width="17" height="17" border="0" title="<?=gettext("edit mapping");?>"></a></td>
422
                      </tr>
423
                      <tr>
424
                        <td><input onmouseover="fr_insline(<?=$nnats;?>, true)" onmouseout="fr_insline(<?=$nnats;?>, false)" name="move_<?=$i;?>" src="/themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" title="<?=gettext("move selected rules before this rule");?>" height="17" type="image" width="17" border="0"></td>
425
                        <td><a href="firewall_nat_out_edit.php?dup=<?=$i;?>"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" title="<?=gettext("add a new nat based on this one");?>" width="17" height="17" border="0"></a></td>
426
                      </tr>
427
                    </table>
428
              <?php $i++; $nnats++; endforeach; ?>
429
                <tr>
430
                  <td class="list" colspan="11"></td>
431
                  <td class="list" valign="middle" nowrap>
432
                    <table border="0" cellspacing="0" cellpadding="1">
433
                      <tr>
434
                        <td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_left_d.gif" width="17" height="17" title="<?=gettext("move selected mappings to end");?>" border="0"><?php else: ?><input name="move_<?=$i;?>" type="image" src="/themes/<?= $g['theme']; ?>/images/icons/icon_left.gif" width="17" height="17" title="<?=gettext("move selected mappings to end");?>" border="0"><?php endif; ?></td>
435
                        <td><a href="firewall_nat_out_edit.php"><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_plus.gif" width="17" height="17" border="0" title="<?=gettext("add new mapping");?>"></a></td>
436
                      </tr>
437
                      <tr>
438
                        <td><?php if ($nnats == 0): ?><img src="/themes/<?= $g['theme']; ?>/images/icons/icon_x_d.gif" width="17" height="17" title="<?=gettext("delete selected rules");?>" border="0"><?php else: ?><input name="del" type="image" src="/themes/<?= $g['theme']; ?>/images/icons/icon_x.gif" width="17" height="17" title="<?=gettext("delete selected mappings");?>" onclick="return confirm('<?=gettext("Do you really want to delete the selected mappings?");?>')"><?php endif; ?></td>
439
                      </tr>
440
                    </table></td>
441
                </tr>
442
                <tr>
443
                  <td colspan="12">
444
					<p><span class="vexpl"><span class="red"><strong><?=gettext("Note:"); ?><br>
445
                      </strong></span><?=gettext("If advanced outbound NAT is enabled, no outbound NAT " .
446
                      "rules will be automatically generated any longer. Instead, only the mappings " .
447
                      "you specify below will be used. With advanced outbound NAT disabled, " .
448
                      "a mapping is automatically created for each interface's subnet " .
449
                      "(except WAN).  If you use target addresses other than the WAN interface's " .
450
		      "IP address, then depending on the way your WAN connection is setup, you " .
451
	              "may also need a"); ?> <a href="firewall_virtual_ip.php"><?=gettext("Virtual IP."); ?></a></span><br>
452
                    </td>
453
                </tr>
454

    
455
              </table>
456
	    </div>
457
</td>
458
  </tr>
459
</table>
460
            </form>
461
<?php include("fend.inc"); ?>
462
</body>
463
</html>
(54-54/220)