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1
<?php
2
/*
3
	interfaces.inc
4
	Copyright (C) 2004-2008 Scott Ullrich
5
	Copyright (C) 2008-2009 Ermal Lu?i
6
	All rights reserved.
7

    
8
	function interfaces_wireless_configure is
9
	Copyright (C) 2005 Espen Johansen
10
	All rights reserved.
11

    
12
	originally part of m0n0wall (http://m0n0.ch/wall)
13
	Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
14
	All rights reserved.
15

    
16
	Redistribution and use in source and binary forms, with or without
17
	modification, are permitted provided that the following conditions are met:
18

    
19
	1. Redistributions of source code must retain the above copyright notices,
20
	   this list of conditions and the following disclaimer.
21

    
22
	2. Redistributions in binary form must reproduce the above copyright
23
	   notices, this list of conditions and the following disclaimer in the
24
	   documentation and/or other materials provided with the distribution.
25

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

    
37
	pfSense_BUILDER_BINARIES:	/sbin/dhclient	/bin/sh	/usr/bin/grep	/usr/bin/xargs	/usr/bin/awk	/usr/local/sbin/choparp
38
	pfSense_BUILDER_BINARIES:	/sbin/ifconfig	/sbin/route	/usr/sbin/ngctl	/usr/sbin/arp	/bin/kill	/usr/local/sbin/mpd5
39
	pfSense_BUILDER_BINARIES:	/usr/local/sbin/dhcp6c
40
	pfSense_MODULE:	interfaces
41

    
42
*/
43

    
44
/* include all configuration functions */
45
require_once("globals.inc");
46
require_once("util.inc");
47
require_once("gwlb.inc");
48

    
49
function interfaces_bring_up($interface) {
50
	if(!$interface) {
51
		log_error(gettext("interfaces_bring_up() was called but no variable defined."));
52
		log_error( "Backtrace: " . debug_backtrace() );
53
		return;
54
	}
55
	pfSense_interface_flags($interface, IFF_UP);
56
}
57

    
58
/*
59
 * Return the interface array
60
 */
61
function get_interface_arr($flush = false) {
62
	global $interface_arr_cache;
63

    
64
	/* If the cache doesn't exist, build it */
65
	if (!isset($interface_arr_cache) or $flush)
66
		$interface_arr_cache = pfSense_interface_listget();
67

    
68
	return $interface_arr_cache;
69
}
70

    
71
/*
72
 * does_interface_exist($interface): return true or false if a interface is
73
 * detected.
74
 */
75
function does_interface_exist($interface) {
76
	global $config;
77

    
78
	if(!$interface)
79
		return false;
80

    
81
	$ints = get_interface_arr(true);
82
	if (in_array($interface, $ints))
83
		return true;
84
	else
85
		return false;
86
}
87

    
88
/*
89
 * does_vip_exist($vip): return true or false if a vip is
90
 * configured.
91
 */
92
function does_vip_exist($vip) {
93
	global $config;
94

    
95
	if(!$vip)
96
		return false;
97

    
98

    
99
	switch ($vip['mode']) {
100
	case "carp":
101
		$realif = "{$vip['interface']}_vip{$vip['vhid']}";
102
		if (!does_interface_exist($realif)) {
103
			return false;
104
		}
105
		break;
106
	case "ipalias":
107
		$realif = get_real_interface($vip['interface']);
108
		if (!does_interface_exist($realif)) {
109
			return false;
110
		}
111
		break;
112
	case "proxyarp":
113
		/* XXX: Implement this */
114
	default:
115
		return false;
116
	}
117

    
118
	$ifacedata = pfSense_getall_interface_addresses($realif);
119
	foreach ($ifacedata as $vipips) {
120
		if ($vipips == "{$vip['subnet']}/{$vip['subnet_bits']}")
121
			return true;
122
	}
123

    
124
	return false;
125
}
126

    
127
function interface_netgraph_needed($interface = "wan") {
128
	global $config;
129

    
130
	$found = false;
131
	if (!empty($config['pptpd']) &&
132
		$config['pptpd']['mode'] == "server")
133
		$found = true;
134
	if ($found == false && !empty($config['l2tp']) &&
135
		$config['l2tp']['mode'] == "server")
136
		$found = true;
137
	if ($found == false && is_array($config['pppoes']['pppoe'])) {
138
		foreach ($config['pppoes']['pppoe'] as $pppoe) {
139
			if ($pppoe['mode'] != "server")
140
				continue;
141
			if ($pppoe['interface'] == $interface)
142
				$found = true;
143
				break;
144
		}
145
	}
146
	if ($found == false) {
147
		if (!empty($config['interfaces'][$interface])) {
148
			switch ($config['interfaces'][$interface]['ipaddr']) {
149
			case "ppp":
150
			case "pppoe":
151
			case "l2tp":
152
			case "pptp":
153
				$found = true;
154
				break;
155
			default:
156
				$found = false;
157
				break;
158
			}
159
		}
160
	}
161
	if ($found == false) {
162
		$realif = get_real_interface($interface);
163
		if (is_array($config['ppps']['ppp']) && count($config['ppps']['ppp'])) {
164
			foreach ($config['ppps']['ppp'] as $pppid => $ppp) {
165

    
166
/* This if block doesn't do anything. It can be deleted.
167
PPP interfaces are found above in the previous if ($found == false) block.
168
This block of code is only entered for OPTx interfaces that are configured for PPPoE modem access, so $realif != $ppp['if']
169

    
170
				if ($realif == $ppp['if']) {
171
					$found = true;
172
					break;
173
				}
174
*/
175
				$ports = explode(',',$ppp['ports']);
176
				foreach($ports as $pid => $port){
177
					$port = get_real_interface($port);
178
					if ($realif == $port) {
179
						$found = true;
180
						break;
181
					}
182
					/* Find the parent interfaces of the vlans in the MLPPP configs
183
					* there should be only one element in the array here
184
					* -- this could be better . . . */
185
					$parent_if = get_parent_interface($port);
186
					if ($realif == $parent_if[0]) {
187
						$found = true;
188
						break;
189
					}
190
				}
191
			}
192
		}
193
	}
194

    
195
	if ($found == false) {
196
		$realif = get_real_interface($interface);
197
		pfSense_ngctl_detach("{$realif}:", $realif);
198
	}
199
	/* NOTE: We make sure for this on interface_ppps_configure()
200
	 *	no need to do it here agan.
201
	 *	else
202
	 *		pfSense_ngctl_attach(".", $realif);
203
	 */
204
}
205

    
206
function interfaces_loopback_configure() {
207
	global $g;
208

    
209
	if ($g['platform'] == 'jail')
210
		return;
211
	if($g['booting'])
212
		echo gettext("Configuring loopback interface...");
213
	pfSense_interface_setaddress("lo0", "127.0.0.1");
214
	interfaces_bring_up("lo0");
215
	if($g['booting'])
216
		echo gettext("done.") . "\n";
217
	return 0;
218
}
219

    
220
function interfaces_vlan_configure() {
221
	global $config, $g;
222
	if($g['booting'])
223
		echo gettext("Configuring VLAN interfaces...");
224
	if (is_array($config['vlans']['vlan']) && count($config['vlans']['vlan'])) {
225
		foreach ($config['vlans']['vlan'] as $vlan) {
226
			if(empty($vlan['vlanif']))
227
				$vlan['vlanif'] = "{$vlan['if']}_vlan{$vlan['tag']}";
228
			/* XXX: Maybe we should report any errors?! */
229
			interface_vlan_configure($vlan);
230
		}
231
	}
232
	if($g['booting'])
233
		echo gettext("done.") . "\n";
234
}
235

    
236
function interface_vlan_configure(&$vlan) {
237
	global $config, $g;
238

    
239
	if (!is_array($vlan)) {
240
		log_error(gettext("VLAN: called with wrong options. Problems with config!"));
241
		return;
242
	}
243
	$if = $vlan['if'];
244
	$vlanif  = empty($vlan['vlanif']) ? "{$if}_vlan{$vlan['tag']}" : $vlan['vlanif'];
245
	$tag = $vlan['tag'];
246

    
247
	if (empty($if)) {
248
		log_error(gettext("interface_vlan_configure called with if undefined."));
249
		return;
250
	}
251

    
252
	/* make sure the parent interface is up */
253
	interfaces_bring_up($if);
254
	/* Since we are going to add vlan(4) try to enable all that hardware supports. */
255
	pfSense_interface_capabilities($if, IFCAP_VLAN_HWTAGGING|IFCAP_VLAN_MTU|IFCAP_VLAN_HWFILTER);
256

    
257
	if (!empty($vlanif) && does_interface_exist($vlanif)) {
258
		interface_bring_down($vlanif, true);
259
	} else {
260
		$tmpvlanif = pfSense_interface_create("vlan");
261
		pfSense_interface_rename($tmpvlanif, $vlanif);
262
		pfSense_ngctl_name("{$tmpvlanif}:", $vlanif);
263
	}
264

    
265
	pfSense_vlan_create($vlanif, $if, $tag);
266

    
267
	interfaces_bring_up($vlanif);
268

    
269
	/* invalidate interface cache */
270
	get_interface_arr(true);
271

    
272
	/* XXX: ermal -- for now leave it here at the moment it does not hurt. */
273
	interfaces_bring_up($if);
274

    
275
	return $vlanif;
276
}
277

    
278
function interface_qinq_configure(&$vlan, $fd = NULL) {
279
	global $config, $g;
280

    
281
	if (!is_array($vlan)) {
282
		log_error(sprintf(gettext("QinQ compat VLAN: called with wrong options. Problems with config!%s"), "\n"));
283
		return;
284
	}
285

    
286
	$qinqif = $vlan['if'];
287
	$tag = $vlan['tag'];
288
	if(empty($qinqif)) {
289
		log_error(sprintf(gettext("interface_qinq_configure called with if undefined.%s"), "\n"));
290
		return;
291
	}
292

    
293
	if(!does_interface_exist($qinqif)) {
294
		log_error(sprintf(gettext("interface_qinq_configure called with invalid if.%s"), "\n"));
295
		return;
296
	}
297

    
298
	$vlanif = interface_vlan_configure($vlan);
299

    
300
	if ($fd == NULL) {
301
		$exec = true;
302
		$fd = fopen("{$g['tmp_path']}/netgraphcmd", "w");
303
	} else
304
		$exec = false;
305
	/* make sure the parent is converted to ng_vlan(4) and is up */
306
	interfaces_bring_up($qinqif);
307

    
308
	pfSense_ngctl_attach(".", $qinqif);
309
	if (!empty($vlanif) && does_interface_exist($vlanif)) {
310
		fwrite($fd, "shutdown {$qinqif}qinq:\n");
311
		exec("/usr/sbin/ngctl msg {$qinqif}qinq: gettable", $result);
312
		if (empty($result)) {
313
			fwrite($fd, "mkpeer {$qinqif}: vlan lower downstream\n");
314
			fwrite($fd, "name {$qinqif}:lower {$vlanif}qinq\n");
315
			fwrite($fd, "connect {$qinqif}: {$vlanif}qinq: upper nomatch\n");
316
		}
317
	} else {
318
		fwrite($fd, "mkpeer {$qinqif}: vlan lower downstream\n");
319
		fwrite($fd, "name {$qinqif}:lower {$vlanif}qinq\n");
320
		fwrite($fd, "connect {$qinqif}: {$vlanif}qinq: upper nomatch\n");
321
	}
322

    
323
	/* invalidate interface cache */
324
	get_interface_arr(true);
325

    
326
	if (!stristr($qinqif, "_vlan"))
327
		mwexec("/sbin/ifconfig {$qinqif} promisc\n");
328

    
329
	$macaddr = get_interface_mac($qinqif);
330
	if (!empty($vlan['members'])) {
331
		$members = explode(" ", $vlan['members']);
332
		foreach ($members as $qtag) {
333
			$qinq = array();
334
			$qinq['tag'] = $qtag;
335
			$qinq['if'] = $vlanif;
336
			interface_qinq2_configure($qinq, $fd, $macaddr);
337
		}
338
	}
339
	if ($exec == true) {
340
		fclose($fd);
341
		mwexec("/usr/sbin/ngctl -f {$g['tmp_path']}/netgraphcmd");
342
	}
343

    
344
	interfaces_bring_up($qinqif);
345
	if (!empty($vlan['members'])) {
346
		$members = explode(" ", $vlan['members']);
347
		foreach ($members as $qif)
348
			interfaces_bring_up("{$vlanif}_{$qif}");
349
	}
350

    
351
	return $vlanif;
352
}
353

    
354
function interfaces_qinq_configure() {
355
	global $config, $g;
356
	if($g['booting'])
357
		echo gettext("Configuring QinQ interfaces...");
358
	if (is_array($config['qinqs']['qinqentry']) && count($config['qinqs']['qinqentry'])) {
359
		foreach ($config['qinqs']['qinqentry'] as $qinq) {
360
			/* XXX: Maybe we should report any errors?! */
361
			interface_qinq_configure($qinq);
362
		}
363
	}
364
	if($g['booting'])
365
		echo gettext( "done.") . "\n";
366
}
367

    
368
function interface_qinq2_configure(&$qinq, $fd, $macaddr) {
369
	global $config, $g;
370

    
371
	if (!is_array($qinq)) {
372
		log_error(sprintf(gettext("QinQ compat VLAN: called with wrong options. Problems with config!%s"), "\n"));
373
		return;
374
	}
375

    
376
	$if = $qinq['if'];
377
	$tag = $qinq['tag'];
378
	$vlanif = "{$if}_{$tag}";
379
	if(empty($if)) {
380
		log_error(sprintf(gettext("interface_qinq2_configure called with if undefined.%s"), "\n"));
381
		return;
382
	}
383

    
384
	fwrite($fd, "shutdown {$if}h{$tag}:\n");
385
	fwrite($fd, "mkpeer {$if}qinq: eiface {$if}{$tag} ether\n");
386
	fwrite($fd, "name {$if}qinq:{$if}{$tag} {$if}h{$tag}\n");
387
	fwrite($fd, "msg {$if}qinq: addfilter { vlan={$tag} hook=\"{$if}{$tag}\" }\n");
388
	fwrite($fd, "msg {$if}h{$tag}: setifname \"{$vlanif}\"\n");
389
	fwrite($fd, "msg {$if}h{$tag}: set {$macaddr}\n");
390

    
391
	/* invalidate interface cache */
392
	get_interface_arr(true);
393

    
394
	return $vlanif;
395
}
396

    
397
function interfaces_create_wireless_clones() {
398
	global $config, $g;
399

    
400
	if($g['booting'])
401
		echo gettext("Creating wireless clone interfaces...");
402

    
403
	$iflist = get_configured_interface_list();
404

    
405
	foreach ($iflist as $if) {
406
		$realif = $config['interfaces'][$if]['if'];
407
		if (is_interface_wireless($realif))
408
			interface_wireless_clone(interface_get_wireless_clone($realif), $config['interfaces'][$if]);
409
	}
410

    
411
	if (isset($config['wireless']['clone']) && is_array($config['wireless']['clone']) && count($config['wireless']['clone'])) {
412
		foreach ($config['wireless']['clone'] as $clone) {
413
			if(empty($clone['cloneif']))
414
				continue;
415
			if(does_interface_exist($clone['cloneif']))
416
				continue;
417
			/* XXX: Maybe we should report any errors?! */
418
			interface_wireless_clone($clone['cloneif'], $clone);
419
		}
420
	}
421
	if($g['booting'])
422
		echo gettext("done.") . "\n";
423

    
424
}
425

    
426
function interfaces_bridge_configure($checkmember = 0) {
427
	global $config;
428

    
429
	$i = 0;
430
	if (is_array($config['bridges']['bridged']) && count($config['bridges']['bridged'])) {
431
		foreach ($config['bridges']['bridged'] as $bridge) {
432
			if(empty($bridge['bridgeif']))
433
				$bridge['bridgeif'] = "bridge{$i}";
434
			if ($checkmember == 1) {
435
				$members = explode(',', $bridge['members']);
436
				foreach ($members as $member) {
437
					if (strstr($bridge['if'], "_vip"))
438
						continue 2;
439
					if (!empty($config['interfaces'][$bridge['if']]) && $config['interfaces'][$bridge['if']]['ipaddrv6'] == "track6")
440
						continue 2;
441
				}
442
			}
443
			else if ($checkmember == 2) {
444
				$members = explode(',', $bridge['members']);
445
				foreach ($members as $member) {
446
					if (!strstr($bridge['if'], "_vip"))
447
						continue 2;
448
					if (empty($config['interfaces'][$bridge['if']]) || $config['interfaces'][$bridge['if']]['ipaddrv6'] != "track6")
449
						continue 2;
450
				}
451
			}
452
			/* XXX: Maybe we should report any errors?! */
453
			interface_bridge_configure($bridge, $checkmember);
454
			$i++;
455
		}
456
	}
457
}
458

    
459
function interface_bridge_configure(&$bridge, $checkmember = 0) {
460
	global $config, $g;
461

    
462
	if (!is_array($bridge))
463
		return;
464

    
465
	if (empty($bridge['members'])) {
466
		log_error(sprintf(gettext("No members found on %s"), $bridge['bridgeif']));
467
		return;
468
	}
469

    
470
	$members = explode(',', $bridge['members']);
471
	if (!count($members))
472
		return;
473

    
474
	/* Calculate smaller mtu and enforce it */
475
	$smallermtu = 0;
476
	$commonrx = true;
477
	$commontx = true;
478
	$foundgif = false;
479
	foreach ($members as $member) {
480
		$realif = get_real_interface($member);
481
		$opts = pfSense_get_interface_addresses($realif);
482
		$mtu = $opts['mtu'];
483
		if (substr($realif, 0, 3) == "gif") {
484
			$foundgif = true;
485
			if ($checkmember == 1)
486
				return;
487
			if ($mtu <= 1500)
488
				continue;
489
		}
490
		if (!isset($opts['encaps']['txcsum']))
491
			$commontx = false;
492
		if (!isset($opts['encaps']['rxcsum']))
493
			$commonrx = false;
494
		if (!isset($opts['encaps']['tso4']))
495
			$commontso4 = false;
496
		if (!isset($opts['encaps']['tso6']))
497
			$commontso6 = false;
498
		if (!isset($opts['encaps']['lro']))
499
			$commonlro = false;
500
		if ($smallermtu == 0 && !empty($mtu))
501
			$smallermtu = $mtu;
502
		else if (!empty($mtu) && $mtu < $smallermtu)
503
			$smallermtu = $mtu;
504
	}
505
	if ($foundgif == false && $checkmember == 2)
506
		return;
507

    
508
	/* Just in case anything is not working well */
509
	if ($smallermtu == 0)
510
		$smallermtu = 1500;
511

    
512
	$flags = 0;
513
	if ($commonrx === false)
514
		$flags |= IFCAP_RXCSUM;
515
	if ($commontx === false)
516
		$flags |= IFCAP_TXCSUM;
517
	if ($commontso4 === false)
518
		$flags |= IFCAP_TSO4;
519
	if ($commontso6 === false)
520
		$flags |= IFCAP_TSO6;
521
	if ($commonlro === false)
522
		$flags |= IFCAP_LRO;
523

    
524
	if ($g['booting'] || !empty($bridge['bridgeif'])) {
525
		pfSense_interface_destroy($bridge['bridgeif']);
526
		pfSense_interface_create($bridge['bridgeif']);
527
		$bridgeif = escapeshellarg($bridge['bridgeif']);
528
	} else {
529
		$bridgeif = pfSense_interface_create("bridge");
530
		$bridge['bridgeif'] = $bridgeif;
531
	}
532

    
533
	$checklist = get_configured_interface_list();
534

    
535
	/* Add interfaces to bridge */
536
	foreach ($members as $member) {
537
		if (empty($checklist[$member]))
538
			continue;
539
		$realif = get_real_interface($member);
540
		if (!$realif) {
541
			log_error(gettext("realif not defined in interfaces bridge - up"));
542
			continue;
543
		}
544
		/* make sure the parent interface is up */
545
		pfSense_interface_mtu($realif, $smallermtu);
546
		pfSense_interface_capabilities($realif, -$flags);
547
		interfaces_bring_up($realif);
548
		pfSense_bridge_add_member($bridge['bridgeif'], $realif);
549
	}
550

    
551
	if (isset($bridge['enablestp'])) {
552
		/* Choose spanning tree proto */
553
		mwexec("/sbin/ifconfig {$bridgeif} proto " . escapeshellarg($bridge['proto']));
554

    
555
		if (!empty($bridge['stp'])) {
556
			$stpifs = explode(',', $bridge['stp']);
557
			foreach ($stpifs as $stpif) {
558
				$realif = get_real_interface($stpif);
559
				mwexec("/sbin/ifconfig {$bridgeif} stp {$realif}");
560
			}
561
		}
562
		if (!empty($bridge['maxage']))
563
			mwexec("/sbin/ifconfig {$bridgeif} maxage " . escapeshellarg($bridge['maxage']));
564
		if (!empty($bridge['fwdelay']))
565
			mwexec("/sbin/ifconfig {$bridgeif} fwddelay " . escapeshellarg($bridge['fwdelay']));
566
		if (!empty($bridge['hellotime']))
567
			mwexec("/sbin/ifconfig {$bridgeif} hellotime " . escapeshellarg($bridge['hellotime']));
568
		if (!empty($bridge['priority']))
569
			mwexec("/sbin/ifconfig {$bridgeif} priority " . escapeshellarg($bridge['priority']));
570
		if (!empty($bridge['holdcnt']))
571
			mwexec("/sbin/ifconfig {$bridgeif} holdcnt " . escapeshellarg($bridge['holdcnt']));
572
		if (!empty($bridge['ifpriority'])) {
573
			$pconfig = explode(",", $bridge['ifpriority']);
574
			$ifpriority = array();
575
			foreach ($pconfig as $cfg) {
576
				$embcfg = explode_assoc(":", $cfg);
577
				foreach ($embcfg as $key => $value)
578
					$ifpriority[$key] = $value;
579
			}
580
			foreach ($ifpriority as $key => $value) {
581
				$realif = get_real_interface($key);
582
				mwexec("/sbin/ifconfig ${bridgeif} ifpriority {$realif} " . escapeshellarg($value));
583
			}
584
		}
585
		if (!empty($bridge['ifpathcost'])) {
586
			$pconfig = explode(",", $bridge['ifpathcost']);
587
			$ifpathcost = array();
588
			foreach ($pconfig as $cfg) {
589
				$embcfg = explode_assoc(":", $cfg);
590
				foreach ($embcfg as $key => $value)
591
					$ifpathcost[$key] = $value;
592
			}
593
			foreach ($ifpathcost as $key => $value) {
594
				$realif = get_real_interface($key);
595
				mwexec("/sbin/ifconfig ${bridgeif} ifpathcost {$realif} " . escapeshellarg($value));
596
			}
597
		}
598
	}
599

    
600
	if ($bridge['maxaddr'] <> "")
601
		mwexec("/sbin/ifconfig {$bridgeif} maxaddr {$bridge['maxaddr']}");
602
	if ($bridge['timeout'] <> "")
603
		mwexec("/sbin/ifconfig {$bridgeif} timeout {$bridge['timeout']}");
604
	if ($bridge['span'] <> "") {
605
		$realif = get_real_interface($bridge['span']);
606
		mwexec("/sbin/ifconfig {$bridgeif} span {$realif}");
607
	}
608
	if (!empty($bridge['edge'])) {
609
		$edgeifs = explode(',', $bridge['edge']);
610
		foreach ($edgeifs as $edgeif) {
611
			$realif = get_real_interface($edgeif);
612
			mwexec("/sbin/ifconfig {$bridgeif} edge {$realif}");
613
		}
614
	}
615
	if (!empty($bridge['autoedge'])) {
616
		$edgeifs = explode(',', $bridge['autoedge']);
617
		foreach ($edgeifs as $edgeif) {
618
			$realif = get_real_interface($edgeif);
619
			mwexec("/sbin/ifconfig {$bridgeif} -autoedge {$realif}");
620
		}
621
	}
622
	if (!empty($bridge['ptp'])) {
623
		$ptpifs = explode(',', $bridge['ptp']);
624
		foreach ($ptpifs as $ptpif) {
625
			$realif = get_real_interface($ptpif);
626
			mwexec("/sbin/ifconfig {$bridgeif} ptp {$realif}");
627
		}
628
	}
629
	if (!empty($bridge['autoptp'])) {
630
		$ptpifs = explode(',', $bridge['autoptp']);
631
		foreach ($ptpifs as $ptpif) {
632
			$realif = get_real_interface($ptpif);
633
			mwexec("/sbin/ifconfig {$bridgeif} -autoptp {$realif}");
634
		}
635
	}
636
	if (!empty($bridge['static'])) {
637
		$stickyifs = explode(',', $bridge['static']);
638
		foreach ($stickyifs as $stickyif) {
639
			$realif = get_real_interface($stickyif);
640
			mwexec("/sbin/ifconfig {$bridgeif} sticky {$realif}");
641
		}
642
	}
643
	if (!empty($bridge['private'])) {
644
		$privateifs = explode(',', $bridge['private']);
645
		foreach ($privateifs as $privateif) {
646
			$realif = get_real_interface($privateif);
647
			mwexec("/sbin/ifconfig {$bridgeif} private {$realif}");
648
		}
649
	}
650

    
651
	if ($bridge['bridgeif'])
652
		interfaces_bring_up($bridge['bridgeif']);
653
	else
654
		log_error(gettext("bridgeif not defined -- could not bring interface up"));
655
}
656

    
657
function interface_bridge_add_member($bridgeif, $interface) {
658

    
659
	if (!does_interface_exist($bridgeif) || !does_interface_exist($interface))
660
		return;
661

    
662
	$mtu = get_interface_mtu($bridgeif);
663
	$mtum = get_interface_mtu($interface);
664

    
665
	if ($mtu != $mtum && !(substr($interface, 0, 3) == "gif" && $mtu <= 1500))
666
		pfSense_interface_mtu($interface, $mtu);
667

    
668
	$options = pfSense_get_interface_addresses($bridgeif);
669
	$flags = 0;
670
	if (!isset($options['encaps']['txcsum']))
671
		$flags |= IFCAP_TXCSUM;
672

    
673
	if (!isset($options['encaps']['rxcsum']))
674
		$flags |= IFCAP_RXCSUM;
675

    
676
	pfSense_interface_capabilities($interface, -$flags);
677

    
678
	interfaces_bring_up($interface);
679
	pfSense_bridge_add_member($bridgeif, $interface);
680
}
681

    
682
function interfaces_lagg_configure() {
683
	global $config, $g;
684
	if($g['booting'])
685
		echo gettext("Configuring LAGG interfaces...");
686
	$i = 0;
687
	if (is_array($config['laggs']['lagg']) && count($config['laggs']['lagg'])) {
688
		foreach ($config['laggs']['lagg'] as $lagg) {
689
			if(empty($lagg['laggif']))
690
				$lagg['laggif'] = "lagg{$i}";
691
			/* XXX: Maybe we should report any errors?! */
692
			interface_lagg_configure($lagg);
693
			$i++;
694
		}
695
	}
696
	if($g['booting'])
697
		echo gettext("done.") . "\n";
698
}
699

    
700
function interface_lagg_configure(&$lagg) {
701
	global $config, $g;
702

    
703
	if (!is_array($lagg))
704
		return -1;
705

    
706
	$members = explode(',', $lagg['members']);
707
	if (!count($members))
708
		return -1;
709

    
710
	if ($g['booting'] || !(empty($lagg['laggif']))) {
711
		pfSense_interface_destroy($lagg['laggif']);
712
		pfSense_interface_create($lagg['laggif']);
713
		$laggif = $lagg['laggif'];
714
	} else
715
		$laggif = pfSense_interface_create("lagg");
716

    
717
	/* Calculate smaller mtu and enforce it */
718
	$smallermtu = 0;
719
	foreach ($members as $member) {
720
		$opts = pfSense_get_interface_addresses($member);
721
		$mtu = $opts['mtu'];
722
		if (!isset($opts['encaps']['txcsum']))
723
			$commontx = false;
724
		if (!isset($opts['encaps']['rxcsum']))
725
			$commonrx = false;
726
		if (!isset($opts['encaps']['tso4']))
727
			$commontso4 = false;
728
		if (!isset($opts['encaps']['tso6']))
729
			$commontso6 = false;
730
		if (!isset($opts['encaps']['lro']))
731
			$commonlro = false;
732
		if ($smallermtu == 0 && !empty($mtu))
733
			$smallermtu = $mtu;
734
		else if (!empty($mtu) && $mtu < $smallermtu)
735
			$smallermtu = $mtu;
736
	}
737

    
738
	/* Just in case anything is not working well */
739
	if ($smallermtu == 0)
740
		$smallermtu = 1500;
741

    
742
	$flags = 0;
743
	if ($commonrx === false)
744
		$flags |= IFCAP_RXCSUM;
745
	if ($commontx === false)
746
		$flags |= IFCAP_TXCSUM;
747
	if ($commontso4 === false)
748
		$flags |= IFCAP_TSO4;
749
	if ($commontso6 === false)
750
		$flags |= IFCAP_TSO6;
751
	if ($commonlro === false)
752
		$flags |= IFCAP_LRO;
753

    
754
	$checklist = get_interface_list();
755

    
756
	foreach ($members as $member) {
757
		if (!array_key_exists($member, $checklist))
758
			continue;
759
		/* make sure the parent interface is up */
760
		pfSense_interface_mtu($member, $smallermtu);
761
		pfSense_interface_capabilities($member, -$flags);
762
		interfaces_bring_up($member);
763
		mwexec("/sbin/ifconfig {$laggif} laggport {$member}");
764
	}
765

    
766
	mwexec("/sbin/ifconfig {$laggif} laggproto {$lagg['proto']}");
767

    
768
	interfaces_bring_up($laggif);
769

    
770
	return $laggif;
771
}
772

    
773
function interfaces_gre_configure($checkparent = 0) {
774
	global $config;
775

    
776
	if (is_array($config['gres']['gre']) && count($config['gres']['gre'])) {
777
		foreach ($config['gres']['gre'] as $i => $gre) {
778
			if(empty($gre['greif']))
779
				$gre['greif'] = "gre{$i}";
780
			if ($checkparent == 1) {
781
				if (strstr($gre['if'], "_vip"))
782
					continue;
783
				if (!empty($config['interfaces'][$gre['if']]) && $config['interfaces'][$gre['if']]['ipaddrv6'] == "track6")
784
					continue;
785
			}
786
			else if ($checkparent == 2) {
787
				if (!strstr($gre['if'], "_vip"))
788
					continue;
789
				if (empty($config['interfaces'][$gre['if']]) || $config['interfaces'][$gre['if']]['ipaddrv6'] != "track6")
790
					continue;
791
			}
792
			/* XXX: Maybe we should report any errors?! */
793
			interface_gre_configure($gre);
794
		}
795
	}
796
}
797

    
798
/* NOTE: $grekey is not used but useful for passing this function to array_walk. */
799
function interface_gre_configure(&$gre, $grekey = "") {
800
	global $config, $g;
801

    
802
	if (!is_array($gre))
803
		return -1;
804

    
805
	$realif = get_real_interface($gre['if']);
806
	$realifip = get_interface_ip($gre['if']);
807

    
808
	/* make sure the parent interface is up */
809
	interfaces_bring_up($realif);
810

    
811
	if ($g['booting'] || !(empty($gre['greif']))) {
812
		pfSense_interface_destroy($gre['greif']);
813
		pfSense_interface_create($gre['greif']);
814
		$greif = $gre['greif'];
815
	} else
816
		$greif = pfSense_interface_create("gre");
817

    
818
	/* Do not change the order here for more see gre(4) NOTES section. */
819
	mwexec("/sbin/ifconfig {$greif} tunnel {$realifip} {$gre['remote-addr']}");
820
	if((is_ipaddrv6($gre['tunnel-local-addr'])) || (is_ipaddrv6($gre['tunnel-remote-addr']))) {
821
		mwexec("/sbin/ifconfig {$greif} inet6 {$gre['tunnel-local-addr']} {$gre['tunnel-remote-addr']} prefixlen /{$gre['tunnel-remote-net']} ");
822
	} else {
823
		mwexec("/sbin/ifconfig {$greif} {$gre['tunnel-local-addr']} {$gre['tunnel-remote-addr']} netmask " . gen_subnet_mask($gre['tunnel-remote-net']));
824
	}
825
	if (isset($gre['link0']))
826
		pfSense_interface_flags($greif, IFF_LINK0);
827
	if (isset($gre['link1']))
828
		pfSense_interface_flags($greif, IFF_LINK1);
829
	if (isset($gre['link2']))
830
		pfSense_interface_flags($greif, IFF_LINK2);
831

    
832
	if($greif)
833
		interfaces_bring_up($greif);
834
	else
835
		log_error(gettext("Could not bring greif up -- variable not defined."));
836

    
837
	if (isset($gre['link1']) && $gre['link1'])
838
		mwexec("/sbin/route add {$gre['tunnel-remote-addr']}/{$gre['tunnel-remote-net']} {$gre['tunnel-local-addr']}");
839
	if(is_ipaddrv4($gre['tunnel-remote-addr']))
840
		file_put_contents("{$g['tmp_path']}/{$greif}_router", $gre['tunnel-remote-addr']);
841
	if(is_ipaddrv6($gre['tunnel-remote-addr']))
842
		file_put_contents("{$g['tmp_path']}/{$greif}_routerv6", $gre['tunnel-remote-addr']);
843

    
844
	return $greif;
845
}
846

    
847
function interfaces_gif_configure($checkparent = 0) {
848
	global $config;
849

    
850
	if (is_array($config['gifs']['gif']) && count($config['gifs']['gif'])) {
851
		foreach ($config['gifs']['gif'] as $i => $gif) {
852
			if(empty($gif['gifif']))
853
				$gre['gifif'] = "gif{$i}";
854
			if ($checkparent == 1) {
855
				if (strstr($gif['if'], "_vip"))
856
					continue;
857
				if (!empty($config['interfaces'][$gif['if']]) && $config['interfaces'][$gif['if']]['ipaddrv6'] == "track6")
858
					continue;
859
			}
860
			else if ($checkparent == 2) {
861
				if (!strstr($gre['if'], "_vip"))
862
					continue;
863
				if (empty($config['interfaces'][$gif['if']]) || $config['interfaces'][$gif['if']]['ipaddrv6'] != "track6")
864
					continue;
865
			}
866
			/* XXX: Maybe we should report any errors?! */
867
			interface_gif_configure($gif);
868
		}
869
	}
870
}
871

    
872
/* NOTE: $gifkey is not used but useful for passing this function to array_walk. */
873
function interface_gif_configure(&$gif, $gifkey = "") {
874
	global $config, $g;
875

    
876
	if (!is_array($gif))
877
		return -1;
878

    
879
	$realif = get_real_interface($gif['if']);
880
	$ipaddr = $gif['ipaddr'];
881

    
882
	if (is_ipaddrv4($gif['remote-addr'])) {
883
		if (is_ipaddrv4($ipaddr))
884
			$realifip = $ipaddr;
885
		else
886
			$realifip = get_interface_ip($gif['if']);
887
		$realifgw = get_interface_gateway($gif['if']);
888
	} else if (is_ipaddrv6($gif['remote-addr'])) {
889
		if (is_ipaddrv6($ipaddr))
890
			$realifip = $ipaddr;
891
		else
892
			$realifip = get_interface_ipv6($gif['if']);
893
		$realifgw = get_interface_gatewayv6($gif['if']);
894
	}
895
	/* make sure the parent interface is up */
896
	if($realif)
897
		interfaces_bring_up($realif);
898
	else
899
		log_error(gettext("could not bring realif up -- variable not defined -- interface_gif_configure()"));
900

    
901
	if ($g['booting'] || !(empty($gif['gifif']))) {
902
		pfSense_interface_destroy($gif['gifif']);
903
		pfSense_interface_create($gif['gifif']);
904
		$gifif = $gif['gifif'];
905
	} else
906
		$gifif = pfSense_interface_create("gif");
907

    
908
	/* Do not change the order here for more see gif(4) NOTES section. */
909
	mwexec("/sbin/ifconfig {$gifif} tunnel {$realifip} {$gif['remote-addr']}");
910
	if((is_ipaddrv6($gif['tunnel-local-addr'])) || (is_ipaddrv6($gif['tunnel-remote-addr']))) {
911
		mwexec("/sbin/ifconfig {$gifif} inet6 {$gif['tunnel-local-addr']} {$gif['tunnel-remote-addr']} prefixlen /{$gif['tunnel-remote-net']} ");
912
	} else {
913
		mwexec("/sbin/ifconfig {$gifif} {$gif['tunnel-local-addr']} {$gif['tunnel-remote-addr']} netmask " . gen_subnet_mask($gif['tunnel-remote-net']));
914
	}
915
	if (isset($gif['link0']))
916
		pfSense_interface_flags($gifif, IFF_LINK0);
917
	if (isset($gif['link1']))
918
		pfSense_interface_flags($gifif, IFF_LINK1);
919
	if($gifif)
920
		interfaces_bring_up($gifif);
921
	else
922
		log_error(gettext("could not bring gifif up -- variable not defined"));
923

    
924
	$iflist = get_configured_interface_list();
925
	foreach($iflist as $ifname) {
926
		if($config['interfaces'][$ifname]['if'] == $gifif) {
927
			if(get_interface_gateway($ifname)) {
928
				system_routing_configure($ifname);
929
				break;
930
			}
931
			if(get_interface_gateway_v6($ifname)) {
932
				system_routing_configure($ifname);
933
				break;
934
			}
935
		}
936
	}
937

    
938

    
939
	if(is_ipaddrv4($gif['tunnel-remote-addr']))
940
		file_put_contents("{$g['tmp_path']}/{$gifif}_router", $gif['tunnel-remote-addr']);
941
	if(is_ipaddrv6($gif['tunnel-remote-addr']))
942
		file_put_contents("{$g['tmp_path']}/{$gifif}_routerv6", $gif['tunnel-remote-addr']);
943

    
944
	if (is_ipaddrv4($realifgw)) {
945
		mwexec("route change -host {$gif['remote-addr']} {$realifgw}");
946
	}
947
	if (is_ipaddrv6($realifgw)) {
948
		mwexec("route change -host -inet6 {$gif['remote-addr']} {$realifgw}");
949
	}
950

    
951
	return $gifif;
952
}
953

    
954
function interfaces_configure() {
955
	global $config, $g;
956

    
957
	if ($g['platform'] == 'jail')
958
		return;
959

    
960
	/* Set up our loopback interface */
961
	interfaces_loopback_configure();
962

    
963
	/* create the unconfigured wireless clones */
964
	interfaces_create_wireless_clones();
965

    
966
	/* set up LAGG virtual interfaces */
967
	interfaces_lagg_configure();
968

    
969
	/* set up VLAN virtual interfaces */
970
	interfaces_vlan_configure();
971

    
972
	interfaces_qinq_configure();
973

    
974
	$iflist = get_configured_interface_with_descr();
975
	$delayed_list = array();
976
	$bridge_list = array();
977
	$track6_list = array();
978

    
979
	/* This is needed to speedup interfaces on bootup. */
980
	$reload = false;
981
	if (!$g['booting'])
982
		$reload = true;
983

    
984
	foreach($iflist as $if => $ifname) {
985
		$realif = $config['interfaces'][$if]['if'];
986
		if (strstr($realif, "bridge"))
987
			$bridge_list[$if] = $ifname;
988
		else if (strstr($realif, "gre"))
989
			$delayed_list[$if] = $ifname;
990
		else if (strstr($realif, "gif"))
991
			$delayed_list[$if] = $ifname;
992
		else if (strstr($realif, "ovpn")) {
993
			//echo "Delaying OpenVPN interface configuration...done.\n";
994
			continue;
995
		} else if (!empty($config['interfaces'][$if]['ipaddrv6']) && $config['interfaces'][$if]['ipaddrv6'] == "track6") {
996
			$track6_list[$if] = $ifname;
997
		} else {
998
			if ($g['booting'])
999
				printf(gettext("Configuring %s interface..."), $ifname);
1000

    
1001
			if($g['debug'])
1002
				log_error(sprintf(gettext("Configuring %s"), $ifname));
1003
			interface_configure($if, $reload);
1004
			if ($g['booting'])
1005
				echo gettext( "done.") . "\n";
1006
		}
1007
	}
1008

    
1009
	/*
1010
	 * NOTE: The following function parameter consists of
1011
	 *	1 - Do not load gre/gif/bridge with parent/member as vip
1012
	 *	2 - Do load gre/gif/bridge with parent/member as vip
1013
	 */
1014

    
1015
	/* set up GRE virtual interfaces */
1016
	interfaces_gre_configure(1);
1017

    
1018
	/* set up GIF virtual interfaces */
1019
	interfaces_gif_configure(1);
1020

    
1021
	/* set up BRIDGe virtual interfaces */
1022
	interfaces_bridge_configure(1);
1023

    
1024
	foreach ($track6_list as $if => $ifname) {
1025
		if ($g['booting'])
1026
			printf(gettext("Configuring %s interface..."), $ifname);
1027
		if ($g['debug'])
1028
			log_error(sprintf(gettext("Configuring %s"), $ifname));
1029

    
1030
		interface_configure($if, $reload);
1031

    
1032
		if ($g['booting'])
1033
			echo gettext("done.") . "\n";
1034
	}
1035

    
1036
	/* bring up vip interfaces */
1037
	interfaces_vips_configure();
1038

    
1039
	/* set up GRE virtual interfaces */
1040
	interfaces_gre_configure(2);
1041

    
1042
	/* set up GIF virtual interfaces */
1043
	interfaces_gif_configure(2);
1044

    
1045
	foreach ($delayed_list as $if => $ifname) {
1046
		if ($g['booting'])
1047
			printf(gettext("Configuring %s interface..."), $ifname);
1048
		if ($g['debug'])
1049
			log_error(sprintf(gettext("Configuring %s"), $ifname));
1050

    
1051
		interface_configure($if, $reload);
1052

    
1053
		if ($g['booting'])
1054
			echo gettext("done.") . "\n";
1055
	}
1056

    
1057
	/* set up BRIDGe virtual interfaces */
1058
	interfaces_bridge_configure(2);
1059

    
1060
	foreach ($bridge_list as $if => $ifname) {
1061
		if ($g['booting'])
1062
			printf(gettext("Configuring %s interface..."), $ifname);
1063
		if($g['debug'])
1064
			log_error(sprintf(gettext("Configuring %s"), $ifname));
1065

    
1066
		interface_configure($if, $reload);
1067

    
1068
		if ($g['booting'])
1069
			echo gettext("done.") . "\n";
1070
	}
1071

    
1072
	/* configure interface groups */
1073
	interfaces_group_setup();
1074

    
1075
	if (!$g['booting']) {
1076
		/* reconfigure static routes (kernel may have deleted them) */
1077
		system_routing_configure();
1078

    
1079
		/* reload IPsec tunnels */
1080
		vpn_ipsec_configure();
1081

    
1082
		/* reload dhcpd (interface enabled/disabled status may have changed) */
1083
		services_dhcpd_configure();
1084

    
1085
		/* restart dnsmasq */
1086
		services_dnsmasq_configure();
1087

    
1088
		/* reload captive portal */
1089
		if (function_exists('captiveportal_init_rules'))
1090
			captiveportal_init_rules();
1091
	}
1092

    
1093
	return 0;
1094
}
1095

    
1096
function interface_reconfigure($interface = "wan", $reloadall = false) {
1097
	interface_bring_down($interface);
1098
	interface_configure($interface, $reloadall);
1099
}
1100

    
1101
function interface_vip_bring_down($vip) {
1102
	global $g;
1103

    
1104
	switch ($vip['mode']) {
1105
	case "proxyarp":
1106
		$vipif = get_real_interface($vip['interface']);
1107
		if (file_exists("{$g['varrun_path']}/choparp_{$vipif}.pid"))
1108
			killbypid("{$g['varrun_path']}/choparp_{$vipif}.pid");
1109
		break;
1110
	case "ipalias":
1111
		$vipif = get_real_interface($vip['interface']);
1112
		if (does_interface_exist($vipif)) {
1113
			if (is_ipaddrv6($vip['subnet']))
1114
				mwexec("/sbin/ifconfig {$vipif} inet6 {$vip['subnet']} -alias");
1115
			else
1116
				pfSense_interface_deladdress($vipif, $vip['subnet']);
1117
		}
1118
		break;
1119
	case "carp":
1120
		$vipif = "{$vip['interface']}_vip{$vip['vhid']}";
1121
		if (does_interface_exist($vipif))
1122
			pfSense_interface_destroy($vipif);
1123
		break;
1124
	}
1125
}
1126

    
1127
function interface_bring_down($interface = "wan", $destroy = false, $ifacecfg = false) {
1128
	global $config, $g;
1129

    
1130
	if (!isset($config['interfaces'][$interface]))
1131
		return;
1132

    
1133
	if ($g['debug'])
1134
		log_error("Calling interface down for interface {$interface}, destroy is " . (($destroy) ? 'true' : 'false'));
1135

    
1136
	if ($ifacecfg === false) {
1137
		$ifcfg = $config['interfaces'][$interface];
1138
		$ppps = $config['ppps']['ppp'];
1139
		$realif = get_real_interface($interface);
1140
	} elseif (!is_array($ifacecfg)) {
1141
		log_error(gettext("Wrong parameters used during interface_bring_down"));
1142
	} else {
1143
		$ifcfg = $ifacecfg['ifcfg'];
1144
		$ppps = $ifacecfg['ppps'];
1145
		if (isset($ifacecfg['ifcfg']['realif']))
1146
			$realif = $ifacecfg['ifcfg']['realif'];
1147
		else
1148
			$realif = get_real_interface($interface);
1149
	}
1150

    
1151
	switch ($ifcfg['ipaddr']) {
1152
	case "ppp":
1153
	case "pppoe":
1154
	case "pptp":
1155
	case "l2tp":
1156
		if (is_array($ppps) && count($ppps)) {
1157
			foreach ($ppps as $pppid => $ppp) {
1158
				if ($realif == $ppp['if']) {
1159
					if (isset($ppp['ondemand']) && !$destroy){
1160
						send_event("interface reconfigure {$interface}");
1161
						break;
1162
					}
1163
					if (file_exists("{$g['varrun_path']}/{$ppp['type']}_{$interface}.pid")) {
1164
						killbypid("{$g['varrun_path']}/{$ppp['type']}_{$interface}.pid");
1165
						sleep(2);
1166
					}
1167
					unlink_if_exists("{$g['varetc_path']}/mpd_{$interface}.conf");
1168
					break;
1169
				}
1170
			}
1171
		}
1172
		break;
1173
	case "dhcp":
1174
		$pid = find_dhclient_process($realif);
1175
		if($pid)
1176
			posix_kill($pid, SIGTERM);
1177
		sleep(1);
1178
		unlink_if_exists("{$g['varetc_path']}/dhclient_{$interface}.conf");
1179
		if(does_interface_exist("$realif")) {
1180
			mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " delete", true);
1181
			if ($destroy == true)
1182
				pfSense_interface_flags($realif, -IFF_UP);
1183
			mwexec("/usr/sbin/arp -d -i {$realif} -a");
1184
		}
1185
		break;
1186
	default:
1187
		if(does_interface_exist("$realif")) {
1188
			mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " delete", true);
1189
			if ($destroy == true)
1190
				pfSense_interface_flags($realif, -IFF_UP);
1191
			mwexec("/usr/sbin/arp -d -i {$realif} -a");
1192
		}
1193
		break;
1194
	}
1195

    
1196
	switch ($ifcfg['ipaddrv6']) {
1197
	case "slaac":
1198
	case "dhcp6":
1199
		$pidv6 = find_dhcp6c_process($realif);
1200
		if($pidv6)
1201
			posix_kill($pidv6, SIGTERM);
1202
		sleep(3);
1203
		unlink_if_exists("{$g['varetc_path']}/dhcp6c_{$interface}.conf");
1204
		if (does_interface_exist("$realif")) {
1205
			$ip6 = get_interface_ipv6($interface);
1206
			if (is_ipaddrv6($ip6))
1207
				mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 {$ip6} delete", true);
1208
			if ($destroy == true)
1209
				pfSense_interface_flags($realif, -IFF_UP);
1210
			mwexec("/usr/sbin/arp -d -i {$realif} -a");
1211
		}
1212
		break;
1213
	case "6rd":
1214
	case "6to4":
1215
		$realif = "{$interface}_stf";
1216
		if(does_interface_exist("$realif")) {
1217
			$ip6 = get_interface_ipv6($interface);
1218
			if (is_ipaddrv6($ip6))
1219
				mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 {$ip6} delete", true);
1220
			if ($destroy == true)
1221
				pfSense_interface_flags($realif, -IFF_UP);
1222
		}
1223
		break;
1224
	default:
1225
		if(does_interface_exist("$realif")) {
1226
			$ip6 = get_interface_ipv6($interface);
1227
			if (is_ipaddrv6($ip6))
1228
				mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 {$ip6} delete", true);
1229
			if (!empty($ifcfg['ipaddrv6']) && is_ipaddrv6($ifcfg['ipaddrv6']))
1230
				mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 {$ifcfg['ipaddrv6']} delete", true);
1231
			if ($destroy == true)
1232
				pfSense_interface_flags($realif, -IFF_UP);
1233
			mwexec("/usr/sbin/arp -d -i {$realif} -a");
1234
		}
1235
		break;
1236
	}
1237

    
1238
	if (file_exists("{$g['tmp_path']}/{$realif}_router"))
1239
		$old_router = trim(file_get_contents("{$g['tmp_path']}/{$realif}_router"));
1240
//	log_error("Checking for old router states: {$g['tmp_path']}/{$realif}_router = {$old_router}");
1241
	if (!empty($old_router)) {
1242
		log_error("Clearing states to old gateway {$old_router}.");
1243
		mwexec("/sbin/pfctl -i {$realif} -Fs -G {$old_router}");
1244
	}
1245

    
1246
	/* remove interface up file if it exists */
1247
	unlink_if_exists("{$g['tmp_path']}/{$realif}up");
1248
	unlink_if_exists("{$g['vardb_path']}/{$interface}ip");
1249
	unlink_if_exists("{$g['vardb_path']}/{$interface}ipv6");
1250
	unlink_if_exists("{$g['tmp_path']}/{$realif}_router");
1251
	unlink_if_exists("{$g['tmp_path']}/{$realif}_routerv6");
1252
	unlink_if_exists("{$g['varetc_path']}/nameserver_{$realif}");
1253
	unlink_if_exists("{$g['varetc_path']}/searchdomain_{$realif}");
1254

    
1255
	/* hostapd and wpa_supplicant do not need to be running when the interface is down.
1256
	 * They will also use 100% CPU if running after the wireless clone gets deleted. */
1257
	if (is_array($ifcfg['wireless'])) {
1258
		kill_hostapd($realif);
1259
		mwexec(kill_wpasupplicant($realif));
1260
	}
1261

    
1262
	if ($destroy == true) {
1263
		if (preg_match("/^[a-z0-9]+_vip|^tun|^ovpn|^gif|^gre|^lagg|^bridge|vlan|_stf$/i", $realif))
1264
			pfSense_interface_destroy($realif);
1265
	}
1266

    
1267
	return;
1268
}
1269

    
1270
function interfaces_ptpid_used($ptpid) {
1271
	global $config;
1272

    
1273
	if (is_array($config['ppps']['ppp']))
1274
		foreach ($config['ppps']['ppp'] as & $settings)
1275
			if ($ptpid == $settings['ptpid'])
1276
				return true;
1277

    
1278
	return false;
1279
}
1280

    
1281
function interfaces_ptpid_next() {
1282

    
1283
	$ptpid = 0;
1284
	while(interfaces_ptpid_used($ptpid))
1285
		$ptpid++;
1286

    
1287
	return $ptpid;
1288
}
1289

    
1290
function getMPDCRONSettings($pppif) {
1291
	global $config;
1292

    
1293
	$cron_cmd_file = "{$g['varetc_path']}/pppoe_restart_{$pppif}";
1294
	if (is_array($config['cron']['item'])) {
1295
		foreach ($config['cron']['item'] as $i => $item) {
1296
			if (stripos($item['command'], $cron_cmd_file) !== false)
1297
				return array("ID" => $i, "ITEM" => $item);
1298
		}
1299
	}
1300

    
1301
	return NULL;
1302
}
1303

    
1304
function handle_pppoe_reset($post_array) {
1305
	global $config, $g;
1306

    
1307
	$pppif = "{$post_array['type']}{$post_array['ptpid']}";
1308
	$cron_cmd_file = "{$g['varetc_path']}/pppoe_restart_{$pppif}";
1309

    
1310
	if (!is_array($config['cron']['item']))
1311
		$config['cron']['item'] = array();
1312

    
1313
	$itemhash = getMPDCRONSettings($pppif);
1314

    
1315
	// reset cron items if necessary and return
1316
	if (empty($post_array['pppoe-reset-type'])) {
1317
		if (isset($itemhash))
1318
			unset($config['cron']['item'][$itemhash['ID']]);
1319
		sigkillbypid("{$g['varrun_path']}/cron.pid", "HUP");
1320
		return;
1321
	}
1322

    
1323
	if (empty($itemhash))
1324
		$itemhash = array();
1325
	$item = array();
1326
	if (isset($post_array['pppoe-reset-type']) && $post_array['pppoe-reset-type'] == "custom") {
1327
		$item['minute'] = $post_array['pppoe_resetminute'];
1328
		$item['hour'] = $post_array['pppoe_resethour'];
1329
		if (isset($post_array['pppoe_resetdate']) && $post_array['pppoe_resetdate'] <> "") {
1330
			$date = explode("/", $post_array['pppoe_resetdate']);
1331
			$item['mday'] = $date[1];
1332
			$item['month'] = $date[0];
1333
		} else {
1334
			$item['mday'] = "*";
1335
			$item['month'] = "*";
1336
		}
1337
		$item['wday'] = "*";
1338
		$item['who'] = "root";
1339
		$item['command'] = $cron_cmd_file;
1340
	} else if (isset($post_array['pppoe-reset-type']) && $post_array['pppoe-reset-type'] == "preset") {
1341
		switch ($post_array['pppoe_pr_preset_val']) {
1342
		case "monthly":
1343
			$item['minute'] = "0";
1344
			$item['hour'] = "0";
1345
			$item['mday'] = "1";
1346
			$item['month'] = "*";
1347
			$item['wday'] = "*";
1348
			break;
1349
		case "weekly":
1350
			$item['minute'] = "0";
1351
			$item['hour'] = "0";
1352
			$item['mday'] = "*";
1353
			$item['month'] = "*";
1354
			$item['wday'] = "0";
1355
			break;
1356
		case "daily":
1357
			$item['minute'] = "0";
1358
			$item['hour'] = "0";
1359
			$item['mday'] = "*";
1360
			$item['month'] = "*";
1361
			$item['wday'] = "*";
1362
			break;
1363
		case "hourly":
1364
			$item['minute'] = "0";
1365
			$item['hour'] = "*";
1366
			$item['mday'] = "*";
1367
			$item['month'] = "*";
1368
			$item['wday'] = "*";
1369
			break;
1370
		} // end switch
1371
		$item['who'] = "root";
1372
		$item['command'] = $cron_cmd_file;
1373
	}
1374
	if (empty($item))
1375
		return;
1376
	if (isset($item['ID']))
1377
		$config['cron']['item'][$item['ID']] = $item;
1378
	else
1379
		$config['cron']['item'][] = $item;
1380
}
1381

    
1382
/*
1383
 * This function can configure PPPoE, MLPPP (PPPoE), PPTP.
1384
 * It writes the mpd config file to /var/etc every time the link is opened.
1385
 */
1386
function interface_ppps_configure($interface) {
1387
	global $config, $g;
1388

    
1389
	/* Return for unassigned interfaces. This is a minimum requirement. */
1390
	if (empty($config['interfaces'][$interface]))
1391
		return 0;
1392
	$ifcfg = $config['interfaces'][$interface];
1393
	if (!isset($ifcfg['enable']))
1394
		return 0;
1395

    
1396
	// mpd5 requires a /var/spool/lock directory for PPP modem links.
1397
	if(!is_dir("/var/spool/lock")) {
1398
		exec("/bin/mkdir -p /var/spool/lock");
1399
		exec("/bin/chmod a+rw /var/spool/lock/.");
1400
	}
1401
	// mpd5 modem chat script expected in the same directory as the mpd_xxx.conf files
1402
	if (!file_exists("{$g['varetc_path']}/mpd.script"))
1403
		mwexec("/bin/ln -s /usr/local/sbin/mpd.script {$g['varetc_path']}/.");
1404

    
1405
	if (is_array($config['ppps']['ppp']) && count($config['ppps']['ppp'])) {
1406
		foreach ($config['ppps']['ppp'] as $pppid => $ppp) {
1407
			if ($ifcfg['if'] == $ppp['if'])
1408
				break;
1409
		}
1410
	}
1411
	if (!$ppp || $ifcfg['if'] != $ppp['if']){
1412
		log_error(sprintf(gettext("Can't find PPP config for %s in interface_ppps_configure()."), $ifcfg['if']));
1413
		return 0;
1414
	}
1415
	$pppif = $ifcfg['if'];
1416
	if ($ppp['type'] == "ppp")
1417
		$type = "modem";
1418
	else
1419
		$type = $ppp['type'];
1420
	$upper_type = strtoupper($ppp['type']);
1421

    
1422
	if($g['booting']) {
1423
		$descr = isset($ifcfg['descr']) ? $ifcfg['descr'] : strtoupper($interface);
1424
		echo "starting {$pppif} link...";
1425
		// Do not re-configure the interface if we are booting and it's already been started
1426
		if(file_exists("{$g['varrun_path']}/{$ppp['type']}_{$interface}.pid"))
1427
			return 0;
1428
	}
1429

    
1430
	$ports = explode(',',$ppp['ports']);
1431
	if ($type != "modem") {
1432
		foreach ($ports as $pid => $port) {
1433
			$ports[$pid] = get_real_interface($port);
1434
			if (empty($ports[$pid]))
1435
				return 0;
1436
		}
1437
	}
1438
	$localips = explode(',',$ppp['localip']);
1439
	$gateways = explode(',',$ppp['gateway']);
1440
	$subnets = explode(',',$ppp['subnet']);
1441

    
1442
	/* We bring up the parent interface first because if DHCP is configured on the parent we need
1443
	 * to obtain an address first so we can write it in the mpd .conf file for PPTP and L2TP configs
1444
	 */
1445
	foreach($ports as $pid => $port){
1446
		switch ($ppp['type']) {
1447
			case "pppoe":
1448
				/* Bring the parent interface up */
1449
				interfaces_bring_up($port);
1450
				pfSense_ngctl_attach(".", $port);
1451
				/* Enable setautosrc to automatically change mac address if parent interface's changes */
1452
				mwexec("ngctl msg {$port}: setautosrc 1");
1453
				break;
1454
			case "pptp":
1455
			case "l2tp":
1456
				/* configure interface */
1457
				if(is_ipaddr($localips[$pid])){
1458
					// Manually configure interface IP/subnet
1459
					pfSense_interface_setaddress($port, "{$localips[$pid]}/{$subnets[$pid]}");
1460
					interfaces_bring_up($port);
1461
				} else if (empty($localips[$pid]))
1462
					$localips[$pid] = get_interface_ip($port); // try to get the interface IP from the port
1463

    
1464
				if(!is_ipaddr($localips[$pid])){
1465
					log_error("Could not get a Local IP address for PPTP/L2TP link on {$port} in interfaces_ppps_configure. Using 0.0.0.0 ip!");
1466
					$localips[$pid] = "0.0.0.0";
1467
				}
1468
				if(!is_ipaddr($gateways[$pid])){
1469
					log_error(sprintf(gettext('Could not get a PPTP/L2TP Remote IP address from %1$s for %2$s in interfaces_ppps_configure.'), $dhcp_gateway, $gway));
1470
					return 0;
1471
				}
1472
				pfSense_ngctl_attach(".", $port);
1473
				break;
1474
			case "ppp":
1475
				if (!file_exists("{$port}")) {
1476
					log_error(sprintf(gettext("Device %s does not exist. PPP link cannot start without the modem device."), $port));
1477
					return 0;
1478
				}
1479
				break;
1480
			default:
1481
				log_error(sprintf(gettext("Unkown %s configured as ppp interface."), $type));
1482
				break;
1483
		}
1484
	}
1485

    
1486
	if (is_array($ports) && count($ports) > 1)
1487
		$multilink = "enable";
1488
	else
1489
		$multilink = "disable";
1490

    
1491
	if ($type == "modem"){
1492
		if (is_ipaddr($ppp['localip']))
1493
			$localip = $ppp['localip'];
1494
		else
1495
			$localip = '0.0.0.0';
1496

    
1497
		if (is_ipaddr($ppp['gateway']))
1498
			$gateway = $ppp['gateway'];
1499
		else
1500
			$gateway = "10.64.64.{$pppid}";
1501
		$ranges = "{$localip}/0 {$gateway}/0";
1502

    
1503
		if (empty($ppp['apnum']))
1504
			$ppp['apnum'] = 1;
1505
	} else
1506
		$ranges = "0.0.0.0/0 0.0.0.0/0";
1507

    
1508
	if (isset($ppp['ondemand']))
1509
		$ondemand = "enable";
1510
	else
1511
		$ondemand = "disable";
1512
	if (!isset($ppp['idletimeout']))
1513
		$ppp['idletimeout'] = 0;
1514

    
1515
	if (empty($ppp['username']) && $type == "modem"){
1516
		$ppp['username'] = "user";
1517
		$ppp['password'] = "none";
1518
	}
1519
	if (empty($ppp['password']) && $type == "modem")
1520
		$passwd = "none";
1521
	else
1522
		$passwd = base64_decode($ppp['password']);
1523

    
1524
	$bandwidths = explode(',',$ppp['bandwidth']);
1525
	$defaultmtu = "1492";
1526
	if (!empty($ifcfg['mtu']))
1527
		$defaultmtu = intval($ifcfg['mtu']);
1528
	$mtus = explode(',',$ppp['mtu']);
1529
	$mrus = explode(',',$ppp['mru']);
1530

    
1531
	if (isset($ppp['mrru']))
1532
		$mrrus = explode(',',$ppp['mrru']);
1533

    
1534
	// Construct the mpd.conf file
1535
	$mpdconf = <<<EOD
1536
startup:
1537
	# configure the console
1538
	set console close
1539
	# configure the web server
1540
	set web close
1541

    
1542
default:
1543
{$ppp['type']}client:
1544
	create bundle static {$interface}
1545
	set bundle enable ipv6cp
1546
	set iface name {$pppif}
1547

    
1548
EOD;
1549
	$setdefaultgw = false;
1550
	$founddefaultgw = false;
1551
	if (is_array($config['gateways']['gateway_item'])) {
1552
		foreach($config['gateways']['gateway_item'] as $gateway) {
1553
			if($interface == $gateway['interface'] && isset($gateway['defaultgw'])) {
1554
				$setdefaultgw = true;
1555
				break;
1556
			} else if (isset($gateway['defaultgw']) && !empty($gateway['interface'])) {
1557
				$founddefaultgw = true;
1558
				break;
1559
			}
1560
		}
1561
	}
1562

    
1563
	if (($interface == "wan" && $founddefaultgw == false) || $setdefaultgw == true){
1564
		$setdefaultgw = true;
1565
		$mpdconf .= <<<EOD
1566
	set iface route default
1567

    
1568
EOD;
1569
	}
1570
	$mpdconf .= <<<EOD
1571
	set iface {$ondemand} on-demand
1572
	set iface idle {$ppp['idletimeout']}
1573

    
1574
EOD;
1575

    
1576
	if (isset($ppp['ondemand']))
1577
		$mpdconf .= <<<EOD
1578
	set iface addrs 10.10.1.1 10.10.1.2
1579

    
1580
EOD;
1581

    
1582
	if (isset($ppp['tcpmssfix']))
1583
		$tcpmss = "disable";
1584
	else
1585
		$tcpmss = "enable";
1586
		$mpdconf .= <<<EOD
1587
	set iface {$tcpmss} tcpmssfix
1588

    
1589
EOD;
1590

    
1591
	$mpdconf .= <<<EOD
1592
	set iface up-script /usr/local/sbin/ppp-linkup
1593
	set iface down-script /usr/local/sbin/ppp-linkdown
1594
	set ipcp ranges {$ranges}
1595

    
1596
EOD;
1597
	if (isset($ppp['vjcomp']))
1598
		$mpdconf .= <<<EOD
1599
	set ipcp no vjcomp
1600

    
1601
EOD;
1602

    
1603
	if (isset($config['system']['dnsallowoverride']))
1604
		$mpdconf .= <<<EOD
1605
	set ipcp enable req-pri-dns
1606
	set ipcp enable req-sec-dns
1607

    
1608
EOD;
1609
	if (!isset($ppp['verbose_log']))
1610
		$mpdconf .= <<<EOD
1611
	#log -bund -ccp -chat -iface -ipcp -lcp -link
1612

    
1613
EOD;
1614
	foreach($ports as $pid => $port){
1615
		$port = get_real_interface($port);
1616
		$mpdconf .= <<<EOD
1617

    
1618
	create link static {$interface}_link{$pid} {$type}
1619
	set link action bundle {$interface}
1620
	set link {$multilink} multilink
1621
	set link keep-alive 10 60
1622
	set link max-redial 0
1623

    
1624
EOD;
1625
		if (isset($ppp['shortseq']))
1626
			$mpdconf .= <<<EOD
1627
	set link no shortseq
1628

    
1629
EOD;
1630

    
1631
		if (isset($ppp['acfcomp']))
1632
			$mpdconf .= <<<EOD
1633
	set link no acfcomp
1634

    
1635
EOD;
1636

    
1637
		if (isset($ppp['protocomp']))
1638
			$mpdconf .= <<<EOD
1639
	set link no protocomp
1640

    
1641
EOD;
1642

    
1643
		$mpdconf .= <<<EOD
1644
	set link disable chap pap
1645
	set link accept chap pap eap
1646
	set link disable incoming
1647

    
1648
EOD;
1649

    
1650

    
1651
		if (!empty($bandwidths[$pid]))
1652
			$mpdconf .= <<<EOD
1653
	set link bandwidth {$bandwidths[$pid]}
1654

    
1655
EOD;
1656

    
1657
		if (empty($mtus[$pid]))
1658
			$mtus[$pid] = $defaultmtu;
1659
			$mpdconf .= <<<EOD
1660
	set link mtu {$mtus[$pid]}
1661

    
1662
EOD;
1663

    
1664
		if (!empty($mrus[$pid]))
1665
			$mpdconf .= <<<EOD
1666
	set link mru {$mrus[$pid]}
1667

    
1668
EOD;
1669

    
1670
		if (!empty($mrrus[$pid]))
1671
			$mpdconf .= <<<EOD
1672
	set link mrru {$mrrus[$pid]}
1673

    
1674
EOD;
1675

    
1676
		$mpdconf .= <<<EOD
1677
	set auth authname "{$ppp['username']}"
1678
	set auth password {$passwd}
1679

    
1680
EOD;
1681
		if ($type == "modem") {
1682
			$mpdconf .= <<<EOD
1683
	set modem device {$ppp['ports']}
1684
	set modem script DialPeer
1685
	set modem idle-script Ringback
1686
	set modem watch -cd
1687
	set modem var \$DialPrefix "DT"
1688
	set modem var \$Telephone "{$ppp['phone']}"
1689

    
1690
EOD;
1691
		}
1692
		if (isset($ppp['connect-timeout']) && $type == "modem") {
1693
			$mpdconf .= <<<EOD
1694
	set modem var \$ConnectTimeout "{$ppp['connect-timeout']}"
1695

    
1696
EOD;
1697
		}
1698
		if (isset($ppp['initstr']) && $type == "modem") {
1699
			$initstr = base64_decode($ppp['initstr']);
1700
			$mpdconf .= <<<EOD
1701
	set modem var \$InitString "{$initstr}"
1702

    
1703
EOD;
1704
		}
1705
		if (isset($ppp['simpin']) && $type == "modem") {
1706
			if($ppp['pin-wait'] == "")
1707
				$ppp['pin-wait'] = 0;
1708
			$mpdconf .= <<<EOD
1709
	set modem var \$SimPin "{$ppp['simpin']}"
1710
	set modem var \$PinWait "{$ppp['pin-wait']}"
1711

    
1712
EOD;
1713
		}
1714
		if (isset($ppp['apn']) && $type == "modem") {
1715
			$mpdconf .= <<<EOD
1716
	set modem var \$APN "{$ppp['apn']}"
1717
	set modem var \$APNum "{$ppp['apnum']}"
1718

    
1719
EOD;
1720
		}
1721
		if ($type == "pppoe") {
1722
			// Send a null service name if none is set.
1723
			$provider = isset($ppp['provider']) ? $ppp['provider'] : "";
1724
			$mpdconf .= <<<EOD
1725
	set pppoe service "{$provider}"
1726

    
1727
EOD;
1728
		}
1729
		if ($type == "pppoe")
1730
			$mpdconf .= <<<EOD
1731
	set pppoe iface {$port}
1732

    
1733
EOD;
1734

    
1735
		if ($type == "pptp" || $type == "l2tp") {
1736
			$mpdconf .= <<<EOD
1737
	set {$type} self {$localips[$pid]}
1738
	set {$type} peer {$gateways[$pid]}
1739

    
1740
EOD;
1741
		}
1742

    
1743
		$mpdconf .= "\topen\n";
1744
	} //end foreach($port)
1745

    
1746

    
1747
	/* Generate mpd.conf. If mpd_[interface].conf exists in the conf path, then link to it instead of generating a fresh conf file. */
1748
	if (file_exists("{$g['conf_path']}/mpd_{$interface}.conf"))
1749
		mwexec("/bin/ln -s {$g['conf_path']}/mpd_{$interface}.conf {$g['varetc_path']}/.");
1750
	else {
1751
		$fd = fopen("{$g['varetc_path']}/mpd_{$interface}.conf", "w");
1752
		if (!$fd) {
1753
			log_error(sprintf(gettext("Error: cannot open mpd_%s.conf in interface_ppps_configure().%s"), $interface, "\n"));
1754
			return 0;
1755
		}
1756
		// Write out mpd_ppp.conf
1757
		fwrite($fd, $mpdconf);
1758
		fclose($fd);
1759
		unset($mpdconf);
1760
	}
1761

    
1762
	// Create the uptime log if requested and if it doesn't exist already, or delete it if it is no longer requested.
1763
	if (isset($ppp['uptime'])) {
1764
		if (!file_exists("/conf/{$pppif}.log")) {
1765
			conf_mount_rw();
1766
			mwexec("echo /dev/null > /conf/{$pppif}.log");
1767
			conf_mount_ro();
1768
		}
1769
	} else {
1770
		if (file_exists("/conf/{$pppif}.log")) {
1771
			conf_mount_rw();
1772
			mwexec("rm -f /conf/{$pppif}.log");
1773
			conf_mount_ro();
1774
		}
1775
	}
1776

    
1777
	/* clean up old lock files */
1778
	foreach($ports as $port) {
1779
		if(file_exists("{$g['var_path']}/spool/lock/LCK..{$port}"))
1780
			unlink("{$g['var_path']}/spool/lock/LCK..{$port}");
1781
	}
1782

    
1783
	/* fire up mpd */
1784
	mwexec("/usr/local/sbin/mpd5 -b -k -d {$g['varetc_path']} -f mpd_{$interface}.conf -p {$g['varrun_path']}/{$ppp['type']}_{$interface}.pid -s ppp {$ppp['type']}client");
1785

    
1786
	// Check for PPPoE periodic reset request
1787
	if ($type == "pppoe") {
1788
		if (!empty($ppp['pppoe-reset-type']))
1789
			interface_setup_pppoe_reset_file($ppp['if'], $interface);
1790
		else
1791
			interface_setup_pppoe_reset_file($ppp['if']);
1792
	}
1793
	/* wait for upto 10 seconds for the interface to appear (ppp(oe)) */
1794
	$i = 0;
1795
	while($i < 10) {
1796
		exec("/sbin/ifconfig {$ppp['if']} 2>&1", $out, $ret);
1797
		if($ret == 0)
1798
			break;
1799
		sleep(1);
1800
		$i++;
1801
	}
1802

    
1803
	/* we only support the 3gstats.php for huawei modems for now. Will add more later. */
1804
	/* We should be able to launch the right version for each modem */
1805
	/* We can also guess the mondev from the manufacturer */
1806
	exec("usbconfig | egrep -ie '(huawei)'", $usbmodemoutput);
1807
	mwexec("/bin/ps auxww|grep \"{$interface}\" |grep \"[3]gstats\" | awk '{print $2}' |xargs kill");
1808
	foreach($ports as $port) {
1809
		if(preg_match("/huawei/i", implode("\n", $usbmodemoutput))) {
1810
			$mondev  = substr(basename($port), 0, -1);
1811
			$devlist = glob("/dev/{$mondev}?");
1812
			$mondev = basename(end($devlist));
1813
		}
1814
		if(preg_match("/zte/i", implode("\n", $usbmodemoutput))) {
1815
			$mondev  = substr(basename($port), 0, -1) . "1";
1816
		}
1817
		log_error("Starting 3gstats.php on device '{$mondev}' for interface '{$interface}'");
1818
		mwexec_bg("/usr/local/bin/3gstats.php {$mondev} {$interface}");
1819
	}
1820

    
1821
	return 1;
1822
}
1823

    
1824
function interfaces_carp_setup() {
1825
	global $g, $config;
1826

    
1827
	if (isset($config['system']['developerspew'])) {
1828
		$mt = microtime();
1829
		echo "interfaces_carp_setup() being called $mt\n";
1830
	}
1831

    
1832
	if ($g['booting']) {
1833
		echo gettext("Configuring CARP settings...");
1834
		mute_kernel_msgs();
1835
	}
1836

    
1837
	/* suck in configuration items */
1838
	if ($config['hasync']) {
1839
		$pfsyncenabled = $config['hasync']['pfsyncenabled'];
1840
		$balanacing = $config['hasync']['balancing'];
1841
		$pfsyncinterface = $config['hasync']['pfsyncinterface'];
1842
		$pfsyncpeerip = $config['hasync']['pfsyncpeerip'];
1843
	} else {
1844
		unset($pfsyncinterface);
1845
		unset($balanacing);
1846
		unset($pfsyncenabled);
1847
	}
1848

    
1849
	if ($balanacing) {
1850
		mwexec("/sbin/sysctl net.inet.carp.arpbalance=1", true);
1851
		mwexec("/sbin/sysctl net.inet.carp.preempt=0", true);
1852
	} else
1853
		mwexec("/sbin/sysctl net.inet.carp.preempt=1", true);
1854

    
1855
	mwexec("sbin/sysctl net.inet.carp.log=1", true);
1856
	if (!empty($pfsyncinterface))
1857
		$carp_sync_int = get_real_interface($pfsyncinterface);
1858
	else
1859
		unset($carp_sync_int);
1860

    
1861
	/* setup pfsync interface */
1862
	if ($carp_sync_int and $pfsyncenabled) {
1863
		if (is_ipaddr($pfsyncpeerip))
1864
			$syncpeer = "syncpeer {$pfsyncpeerip}";
1865
		else
1866
			$syncpeer = "-syncpeer";
1867

    
1868
		mwexec("/sbin/ifconfig pfsync0 syncdev {$carp_sync_int} {$syncpeer} up", false);
1869

    
1870
		sleep(1);
1871

    
1872
		/* XXX: Handle an issue with pfsync(4) and carp(4). In a cluster carp will come up before pfsync(4) has updated and so will cause issues
1873
		 * for existing sessions.
1874
		 */
1875
		log_error("waiting for pfsync...");
1876
		$i = 0;
1877
		while (intval(trim(`/sbin/ifconfig pfsync0 | /usr/bin/grep 'syncok: 0' | /usr/bin/grep -v grep | /usr/bin/wc -l`)) == 0 && $i < 30) {
1878
			$i++;
1879
			sleep(1);
1880
		}
1881
		log_error("pfsync done in $i seconds.");
1882
		log_error("Configuring CARP settings finalize...");
1883
	} else {
1884
		mwexec("/sbin/ifconfig pfsync0 -syncdev -syncpeer down", false);
1885
	}
1886

    
1887
	if($config['virtualip']['vip'])
1888
		mwexec("/sbin/sysctl net.inet.carp.allow=1", true);
1889
	else
1890
		mwexec("/sbin/sysctl net.inet.carp.allow=0", true);
1891

    
1892
	if ($g['booting']) {
1893
		unmute_kernel_msgs();
1894
		echo gettext("done.") . "\n";
1895
	}
1896
}
1897

    
1898
function interface_proxyarp_configure($interface = "") {
1899
	global $config, $g;
1900
	if(isset($config['system']['developerspew'])) {
1901
		$mt = microtime();
1902
		echo "interface_proxyarp_configure() being called $mt\n";
1903
	}
1904

    
1905
	/* kill any running choparp */
1906
	if (empty($interface))
1907
		killbyname("choparp");
1908
	else {
1909
		$vipif = get_real_interface($interface);
1910
		if (file_exists("{$g['varrun_path']}/choparp_{$vipif}.pid"))
1911
			killbypid("{$g['varrun_path']}/choparp_{$vipif}.pid");
1912
	}
1913

    
1914
	$paa = array();
1915
	if (!empty($config['virtualip']) && is_array($config['virtualip']['vip'])) {
1916

    
1917
		/* group by interface */
1918
		foreach ($config['virtualip']['vip'] as $vipent) {
1919
			if ($vipent['mode'] === "proxyarp") {
1920
				if ($vipent['interface'])
1921
					$proxyif = $vipent['interface'];
1922
				else
1923
					$proxyif = "wan";
1924

    
1925
				if (!empty($interface) && $interface != $proxyif)
1926
					continue;
1927

    
1928
				if (!is_array($paa[$proxyif]))
1929
					$paa[$proxyif] = array();
1930

    
1931
				$paa[$proxyif][] = $vipent;
1932
			}
1933
		}
1934
	}
1935

    
1936
	if (!empty($interface)) {
1937
		if (is_array($paa[$interface])) {
1938
			$paaifip = get_interface_ip($interface);
1939
			if (!is_ipaddr($paaifip))
1940
				return;
1941
			$args = get_real_interface($interface) . " auto";
1942
			foreach ($paa[$interface] as $paent) {
1943
				if (isset($paent['subnet']))
1944
					$args .= " " . escapeshellarg("{$paent['subnet']}/{$paent['subnet_bits']}");
1945
				else if (isset($paent['range']))
1946
					$args .= " " . escapeshellarg($paent['range']['from'] . "-" . $paent['range']['to']);
1947
			}
1948
			mwexec_bg("/usr/local/sbin/choparp " . $args);
1949
		}
1950
	} else if (count($paa) > 0) {
1951
		foreach ($paa as $paif => $paents)  {
1952
			$paaifip = get_interface_ip($paif);
1953
			if (!is_ipaddr($paaifip))
1954
				continue;
1955
			$args = get_real_interface($paif) . " auto";
1956
			foreach ($paents as $paent) {
1957
				if (isset($paent['subnet']))
1958
					$args .= " " . escapeshellarg("{$paent['subnet']}/{$paent['subnet_bits']}");
1959
				else if (isset($paent['range']))
1960
					$args .= " " . escapeshellarg($paent['range']['from'] . "-" . $paent['range']['to']);
1961
			}
1962
			mwexec_bg("/usr/local/sbin/choparp " . $args);
1963
		}
1964
	}
1965
}
1966

    
1967
function interfaces_vips_configure($interface = "") {
1968
	global $g, $config;
1969
	if(isset($config['system']['developerspew'])) {
1970
		$mt = microtime();
1971
		echo "interfaces_vips_configure() being called $mt\n";
1972
	}
1973
	$paa = array();
1974
	if(is_array($config['virtualip']['vip'])) {
1975
		$carp_setuped = false;
1976
		$anyproxyarp = false;
1977
		foreach ($config['virtualip']['vip'] as $vip) {
1978
			switch ($vip['mode']) {
1979
			case "proxyarp":
1980
				/* nothing it is handled on interface_proxyarp_configure() */
1981
				if ($interface <> "" && $vip['interface'] <> $interface)
1982
					continue;
1983
				$anyproxyarp = true;
1984
				break;
1985
			case "ipalias":
1986
				if ($interface <> "" && $vip['interface'] <> $interface)
1987
					continue;
1988
				interface_ipalias_configure($vip);
1989
				break;
1990
			case "carp":
1991
				if ($interface <> "" && $vip['interface'] <> $interface)
1992
					continue;
1993
				if ($carp_setuped == false)
1994
					$carp_setuped = true;
1995
				interface_carp_configure($vip);
1996
				break;
1997
			}
1998
		}
1999
		if ($carp_setuped == true)
2000
			interfaces_carp_setup();
2001
		if ($anyproxyarp == true)
2002
			interface_proxyarp_configure();
2003
	}
2004
}
2005

    
2006
function interface_ipalias_configure(&$vip) {
2007
	if ($vip['mode'] == "ipalias") {
2008
		$if = get_real_interface($vip['interface']);
2009
		$af = "inet";
2010
		if(is_ipaddrv6($vip['subnet']))
2011
			$af = "inet6";
2012
		mwexec("/sbin/ifconfig " . escapeshellarg($if) ." {$af} ". escapeshellarg($vip['subnet']) ."/" . escapeshellarg($vip['subnet_bits']) . " alias");
2013
	}
2014
}
2015

    
2016
function interface_reload_carps($cif) {
2017
	global $config;
2018

    
2019
	$carpifs = link_ip_to_carp_interface(find_interface_ip($cif));
2020
	if (empty($carpifs))
2021
		return;
2022

    
2023
	$carps = explode(" ", $carpifs);
2024
	if(is_array($config['virtualip']['vip'])) {
2025
		$viparr = &$config['virtualip']['vip'];
2026
		foreach ($viparr as $vip) {
2027
			if (in_array($vip['carpif'], $carps)) {
2028
				switch ($vip['mode']) {
2029
				case "carp":
2030
					interface_vip_bring_down($vip);
2031
					sleep(1);
2032
					interface_carp_configure($vip);
2033
					break;
2034
				case "ipalias":
2035
					interface_vip_bring_down($vip);
2036
					sleep(1);
2037
					interface_ipalias_configure($vip);
2038
					break;
2039
				}
2040
			}
2041
		}
2042
	}
2043
}
2044

    
2045
function interface_carp_configure(&$vip) {
2046
	global $config, $g;
2047
	if(isset($config['system']['developerspew'])) {
2048
		$mt = microtime();
2049
		echo "interface_carp_configure() being called $mt\n";
2050
	}
2051

    
2052
	if ($vip['mode'] != "carp")
2053
		return;
2054

    
2055
	/*
2056
	 * ensure the interface containing the VIP really exists
2057
	 * prevents a panic if the interface is missing or invalid
2058
	 */
2059
	$realif = get_real_interface($vip['interface']);
2060
	if (!does_interface_exist($realif)) {
2061
		file_notice("CARP", sprintf(gettext("Interface specified for the virtual IP address %s does not exist. Skipping this VIP."), $vip['subnet']), "Firewall: Virtual IP", "");
2062
		return;
2063
	}
2064

    
2065
	if(is_ipaddrv4($vip['subnet'])) {
2066
		/* Ensure CARP IP really exists prior to loading up. */
2067
		$ww_subnet_ip = find_interface_ip($realif);
2068
		$ww_subnet_bits = find_interface_subnet($realif);
2069
		if (!ip_in_subnet($vip['subnet'], gen_subnet($ww_subnet_ip, $ww_subnet_bits) . "/" . $ww_subnet_bits) && !ip_in_interface_alias_subnet($vip['interface'], $vip['subnet'])) {
2070
			file_notice("CARP", sprintf(gettext("Sorry but we could not find a matching real interface subnet for the virtual IP address %s."), $vip['subnet']), "Firewall: Virtual IP", "");
2071
			return;
2072
		}
2073
	}
2074
	if(is_ipaddrv6($vip['subnet'])) {
2075
		/* Ensure CARP IP really exists prior to loading up. */
2076
		$ww_subnet_ip = find_interface_ipv6($realif);
2077
		$ww_subnet_bits = find_interface_subnetv6($realif);
2078
		if (!ip_in_subnet($vip['subnet'], gen_subnetv6($ww_subnet_ip, $ww_subnet_bits) . "/" . $ww_subnet_bits) && !ip_in_interface_alias_subnet($vip['interface'], $vip['subnet'])) {
2079
			file_notice("CARP", sprintf(gettext("Sorry but we could not find a matching real interface subnet for the virtual IPv6 address %s."), $vip['subnet']), "Firewall: Virtual IP", "");
2080
			return;
2081
		}
2082
	}
2083

    
2084
	// set the vip interface to the vhid
2085
	$vipif = "{$vip['interface']}_vip{$vip['vhid']}";
2086

    
2087
	/* create the carp interface and setup */
2088
	if (does_interface_exist($vipif)) {
2089
		pfSense_interface_flags($vipif, -IFF_UP);
2090
	} else {
2091
		$carpif = pfSense_interface_create("carp");
2092
		pfSense_interface_rename($carpif, $vipif);
2093
		pfSense_ngctl_name("{$carpif}:", $vipif);
2094
	}
2095

    
2096
	/* invalidate interface cache */
2097
	get_interface_arr(true);
2098

    
2099
	$vip_password = $vip['password'];
2100
	$vip_password = escapeshellarg(addslashes(str_replace(" ", "", $vip_password)));
2101
	if ($vip['password'] != "")
2102
		$password = " pass {$vip_password}";
2103

    
2104
	$broadcast_address = gen_subnet_max($vip['subnet'], $vip['subnet_bits']);
2105
	$advbase = "";
2106
	if (!empty($vip['advbase']))
2107
		$advbase = "advbase {$vip['advbase']}";
2108

    
2109
	if(is_ipaddrv4($vip['subnet'])) {
2110
		$broadcast_address = gen_subnet_max($vip['subnet'], $vip['subnet_bits']);
2111
		mwexec("/sbin/ifconfig {$vipif} {$vip['subnet']}/{$vip['subnet_bits']} vhid {$vip['vhid']} advskew {$vip['advskew']} {$advbase} {$password}");
2112
	}
2113
	if(is_ipaddrv6($vip['subnet'])) {
2114
		$broadcast_address = gen_subnet_max($vip['subnet'], $vip['subnet_bits']);
2115
		mwexec("/sbin/ifconfig {$vipif} inet6 {$vip['subnet']} prefixlen {$vip['subnet_bits']} vhid {$vip['vhid']} advskew {$vip['advskew']} {$advbase} {$password}");
2116
	}
2117

    
2118
	interfaces_bring_up($vipif);
2119

    
2120
	return $vipif;
2121
}
2122

    
2123
function interface_wireless_clone($realif, $wlcfg) {
2124
	global $config, $g;
2125
	/*   Check to see if interface has been cloned as of yet.
2126
	 *   If it has not been cloned then go ahead and clone it.
2127
	 */
2128
	$needs_clone = false;
2129
	if(is_array($wlcfg['wireless']))
2130
		$wlcfg_mode = $wlcfg['wireless']['mode'];
2131
	else
2132
		$wlcfg_mode = $wlcfg['mode'];
2133
	switch($wlcfg_mode) {
2134
	case "hostap":
2135
		$mode = "wlanmode hostap";
2136
		break;
2137
	case "adhoc":
2138
		$mode = "wlanmode adhoc";
2139
		break;
2140
	default:
2141
		$mode = "";
2142
		break;
2143
	}
2144
	$baseif = interface_get_wireless_base($wlcfg['if']);
2145
	if(does_interface_exist($realif)) {
2146
		exec("/sbin/ifconfig {$realif}", $output, $ret);
2147
		$ifconfig_str = implode($output);
2148
		if(($wlcfg_mode == "hostap") && (! preg_match("/hostap/si", $ifconfig_str))) {
2149
			log_error(sprintf(gettext("Interface %s changed to hostap mode"), $realif));
2150
			$needs_clone = true;
2151
		}
2152
		if(($wlcfg_mode == "adhoc") && (! preg_match("/adhoc/si", $ifconfig_str))) {
2153
			log_error(sprintf(gettext("Interface %s changed to adhoc mode"), $realif));
2154
			$needs_clone = true;
2155
		}
2156
		if(($wlcfg_mode == "bss") && (preg_match("/hostap|adhoc/si", $ifconfig_str))) {
2157
			log_error(sprintf(gettext("Interface %s changed to infrastructure mode"), $realif));
2158
			$needs_clone = true;
2159
		}
2160
	} else {
2161
		$needs_clone = true;
2162
	}
2163

    
2164
	if($needs_clone == true) {
2165
		/* remove previous instance if it exists */
2166
		if(does_interface_exist($realif))
2167
			pfSense_interface_destroy($realif);
2168

    
2169
		log_error(sprintf(gettext("Cloning new wireless interface %s"), $realif));
2170
		// Create the new wlan interface. FreeBSD returns the new interface name.
2171
		// example:  wlan2
2172
		exec("/sbin/ifconfig wlan create wlandev {$baseif} {$mode} bssid 2>&1", $out, $ret);
2173
		if($ret <> 0) {
2174
			log_error(sprintf(gettext('Failed to clone interface %1$s with error code %2$s, output %3$s'), $baseif, $ret, $out[0]));
2175
			return false;
2176
		}
2177
		$newif = trim($out[0]);
2178
		// Rename the interface to {$parentnic}_wlan{$number}#: EX: ath0_wlan0
2179
		pfSense_interface_rename($newif, $realif);
2180
		// FIXME: not sure what ngctl is for. Doesn't work.
2181
		// mwexec("/usr/sbin/ngctl name {$newif}: {$realif}", false);
2182
		file_put_contents("{$g['tmp_path']}/{$realif}_oldmac", get_interface_mac($realif));
2183
	}
2184
	return true;
2185
}
2186

    
2187
function interface_sync_wireless_clones(&$ifcfg, $sync_changes = false) {
2188
	global $config, $g;
2189

    
2190
	$shared_settings = array('standard', 'turbo', 'protmode', 'txpower', 'channel',
2191
				 'diversity', 'txantenna', 'rxantenna', 'distance',
2192
				 'regdomain', 'regcountry', 'reglocation');
2193

    
2194
	if(!is_interface_wireless($ifcfg['if']))
2195
		return;
2196

    
2197
	$baseif = interface_get_wireless_base($ifcfg['if']);
2198

    
2199
	// Sync shared settings for assigned clones
2200
	$iflist = get_configured_interface_list(false, true);
2201
	foreach ($iflist as $if) {
2202
		if ($baseif == interface_get_wireless_base($config['interfaces'][$if]['if']) && $ifcfg['if'] != $config['interfaces'][$if]['if']) {
2203
			if (isset($config['interfaces'][$if]['wireless']['standard']) || $sync_changes) {
2204
				foreach ($shared_settings as $setting) {
2205
					if ($sync_changes) {
2206
						if (isset($ifcfg['wireless'][$setting]))
2207
							$config['interfaces'][$if]['wireless'][$setting] = $ifcfg['wireless'][$setting];
2208
						else if (isset($config['interfaces'][$if]['wireless'][$setting]))
2209
							unset($config['interfaces'][$if]['wireless'][$setting]);
2210
					} else {
2211
						if (isset($config['interfaces'][$if]['wireless'][$setting]))
2212
							$ifcfg['wireless'][$setting] = $config['interfaces'][$if]['wireless'][$setting];
2213
						else if (isset($ifcfg['wireless'][$setting]))
2214
							unset($ifcfg['wireless'][$setting]);
2215
					}
2216
				}
2217
				if (!$sync_changes)
2218
					break;
2219
			}
2220
		}
2221
	}
2222

    
2223
	// Read or write settings at shared area
2224
	if (isset($config['wireless']['interfaces'][$baseif]) && is_array($config['wireless']['interfaces'][$baseif])) {
2225
		foreach ($shared_settings as $setting) {
2226
			if ($sync_changes) {
2227
				if (isset($ifcfg['wireless'][$setting]))
2228
					$config['wireless']['interfaces'][$baseif][$setting] = $ifcfg['wireless'][$setting];
2229
				else if (isset($config['wireless']['interfaces'][$baseif][$setting]))
2230
					unset($config['wireless']['interfaces'][$baseif][$setting]);
2231
			} else if (isset($config['wireless']['interfaces'][$baseif][$setting])) {
2232
				if (isset($config['wireless']['interfaces'][$baseif][$setting]))
2233
					$ifcfg['wireless'][$setting] = $config['wireless']['interfaces'][$baseif][$setting];
2234
				else if (isset($ifcfg['wireless'][$setting]))
2235
					unset($ifcfg['wireless'][$setting]);
2236
			}
2237
		}
2238
	}
2239

    
2240
	// Sync the mode on the clone creation page with the configured mode on the interface
2241
	if (interface_is_wireless_clone($ifcfg['if']) && isset($config['wireless']['clone']) && is_array($config['wireless']['clone'])) {
2242
		foreach ($config['wireless']['clone'] as &$clone) {
2243
			if ($clone['cloneif'] == $ifcfg['if']) {
2244
				if ($sync_changes) {
2245
					$clone['mode'] = $ifcfg['wireless']['mode'];
2246
				} else {
2247
					$ifcfg['wireless']['mode'] = $clone['mode'];
2248
				}
2249
				break;
2250
			}
2251
		}
2252
		unset($clone);
2253
	}
2254
}
2255

    
2256
function interface_wireless_configure($if, &$wl, &$wlcfg) {
2257
	global $config, $g;
2258

    
2259
	/*    open up a shell script that will be used to output the commands.
2260
	 *    since wireless is changing a lot, these series of commands are fragile
2261
	 *    and will sometimes need to be verified by a operator by executing the command
2262
	 *    and returning the output of the command to the developers for inspection.  please
2263
	 *    do not change this routine from a shell script to individual exec commands.  -sullrich
2264
	 */
2265

    
2266
	// Remove script file
2267
	unlink_if_exists("{$g['tmp_path']}/{$if}_setup.sh");
2268

    
2269
	// Clone wireless nic if needed.
2270
	interface_wireless_clone($if, $wl);
2271

    
2272
	// Reject inadvertent changes to shared settings in case the interface hasn't been configured.
2273
	interface_sync_wireless_clones($wl, false);
2274

    
2275
	$fd_set = fopen("{$g['tmp_path']}/{$if}_setup.sh","w");
2276
	fwrite($fd_set, "#!/bin/sh\n");
2277
	fwrite($fd_set, "# {$g['product_name']} wireless configuration script.\n\n");
2278

    
2279
	/* set values for /path/program */
2280
	$hostapd = "/usr/sbin/hostapd";
2281
	$wpa_supplicant = "/usr/sbin/wpa_supplicant";
2282
	$ifconfig = "/sbin/ifconfig";
2283
	$sysctl = "/sbin/sysctl";
2284
	$killall = "/usr/bin/killall";
2285

    
2286
	/* Set all wireless ifconfig variables (split up to get rid of needed checking) */
2287

    
2288
	$wlcmd = array();
2289
	$wl_sysctl = array();
2290
	/* Make sure it's up */
2291
	$wlcmd[] = "up";
2292
	/* Set a/b/g standard */
2293
	$standard = str_replace(" Turbo", "", $wlcfg['standard']);
2294
	$wlcmd[] = "mode " . escapeshellarg($standard);
2295

    
2296
	/* XXX: Disable ampdu for now on mwl when running in 11n mode
2297
	 * to prevent massive packet loss under certain conditions. */
2298
	if(preg_match("/^mwl/i", $if) && ($standard == "11ng" || $standard == "11na"))
2299
		$wlcmd[] = "-ampdu";
2300

    
2301
	/* Set ssid */
2302
	if($wlcfg['ssid'])
2303
		$wlcmd[] = "ssid " .escapeshellarg($wlcfg['ssid']);
2304

    
2305
	/* Set 802.11g protection mode */
2306
	$wlcmd[] = "protmode " . escapeshellarg($wlcfg['protmode']);
2307

    
2308
	/* set wireless channel value */
2309
	if(isset($wlcfg['channel'])) {
2310
		if($wlcfg['channel'] == "0") {
2311
			$wlcmd[] = "channel any";
2312
		} else {
2313
			$wlcmd[] = "channel " . escapeshellarg($wlcfg['channel']);
2314
		}
2315
	}
2316

    
2317
	/* Set antenna diversity value */
2318
	if(isset($wlcfg['diversity']))
2319
		$wl_sysctl[] = "diversity=" . escapeshellarg($wlcfg['diversity']);
2320

    
2321
	/* Set txantenna value */
2322
	if(isset($wlcfg['txantenna']))
2323
		$wl_sysctl[] = "txantenna=" . escapeshellarg($wlcfg['txantenna']);
2324

    
2325
	/* Set rxantenna value */
2326
	if(isset($wlcfg['rxantenna']))
2327
		$wl_sysctl[] = "rxantenna=" . escapeshellarg($wlcfg['rxantenna']);
2328

    
2329
	/* set Distance value */
2330
	if($wlcfg['distance'])
2331
		$distance = escapeshellarg($wlcfg['distance']);
2332

    
2333
	/* Set wireless hostap mode */
2334
	if ($wlcfg['mode'] == "hostap") {
2335
		$wlcmd[] = "mediaopt hostap";
2336
	} else {
2337
		$wlcmd[] = "-mediaopt hostap";
2338
	}
2339

    
2340
	/* Set wireless adhoc mode */
2341
	if ($wlcfg['mode'] == "adhoc") {
2342
		$wlcmd[] = "mediaopt adhoc";
2343
	} else {
2344
		$wlcmd[] = "-mediaopt adhoc";
2345
	}
2346

    
2347
	/* Not neccesary to set BSS mode as this is default if adhoc and/or hostap is NOT set */
2348

    
2349
	/* handle hide ssid option */
2350
	if(isset($wlcfg['hidessid']['enable'])) {
2351
		$wlcmd[] = "hidessid";
2352
	} else {
2353
		$wlcmd[] = "-hidessid";
2354
	}
2355

    
2356
	/* handle pureg (802.11g) only option */
2357
	if(isset($wlcfg['pureg']['enable'])) {
2358
		$wlcmd[] = "mode 11g pureg";
2359
	} else {
2360
		$wlcmd[] = "-pureg";
2361
	}
2362

    
2363
	/* handle puren (802.11n) only option */
2364
	if(isset($wlcfg['puren']['enable'])) {
2365
		$wlcmd[] = "puren";
2366
	} else {
2367
		$wlcmd[] = "-puren";
2368
	}
2369

    
2370
	/* enable apbridge option */
2371
	if(isset($wlcfg['apbridge']['enable'])) {
2372
		$wlcmd[] = "apbridge";
2373
	} else {
2374
		$wlcmd[] = "-apbridge";
2375
	}
2376

    
2377
	/* handle turbo option */
2378
	if(isset($wlcfg['turbo']['enable'])) {
2379
		$wlcmd[] = "mediaopt turbo";
2380
	} else {
2381
		$wlcmd[] = "-mediaopt turbo";
2382
	}
2383

    
2384
	/* handle txpower setting */
2385
	/* if($wlcfg['txpower'] <> "")
2386
		$wlcmd[] = "txpower " . escapeshellarg($wlcfg['txpower']);
2387
	*/
2388
	/* handle wme option */
2389
	if(isset($wlcfg['wme']['enable'])) {
2390
		$wlcmd[] = "wme";
2391
	} else {
2392
		$wlcmd[] = "-wme";
2393
	}
2394

    
2395
	/* set up wep if enabled */
2396
	$wepset = "";
2397
	if (isset($wlcfg['wep']['enable']) && is_array($wlcfg['wep']['key'])) {
2398
		switch($wlcfg['wpa']['auth_algs']) {
2399
			case "1":
2400
				$wepset .= "authmode open wepmode on ";
2401
				break;
2402
			case "2":
2403
				$wepset .= "authmode shared wepmode on ";
2404
				break;
2405
			case "3":
2406
				$wepset .= "authmode mixed wepmode on ";
2407
		}
2408
		$i = 1;
2409
		foreach ($wlcfg['wep']['key'] as $wepkey) {
2410
			$wepset .= "wepkey " . escapeshellarg("{$i}:{$wepkey['value']}") . " ";
2411
			if (isset($wepkey['txkey'])) {
2412
				$wlcmd[] = "weptxkey {$i} ";
2413
			}
2414
			$i++;
2415
		}
2416
		$wlcmd[] = $wepset;
2417
	} else {
2418
		$wlcmd[] = "authmode open wepmode off ";
2419
	}
2420

    
2421
	kill_hostapd($if);
2422
	mwexec(kill_wpasupplicant("{$if}"));
2423

    
2424
	/* generate wpa_supplicant/hostap config if wpa is enabled */
2425
	conf_mount_rw();
2426

    
2427
	switch ($wlcfg['mode']) {
2428
		case 'bss':
2429
			if (isset($wlcfg['wpa']['enable'])) {
2430
				$wpa .= <<<EOD
2431
ctrl_interface={$g['varrun_path']}/wpa_supplicant
2432
ctrl_interface_group=0
2433
ap_scan=1
2434
#fast_reauth=1
2435
network={
2436
ssid="{$wlcfg['ssid']}"
2437
scan_ssid=1
2438
priority=5
2439
key_mgmt={$wlcfg['wpa']['wpa_key_mgmt']}
2440
psk="{$wlcfg['wpa']['passphrase']}"
2441
pairwise={$wlcfg['wpa']['wpa_pairwise']}
2442
group={$wlcfg['wpa']['wpa_pairwise']}
2443
}
2444
EOD;
2445

    
2446
				$fd = fopen("{$g['varetc_path']}/wpa_supplicant_{$if}.conf", "w");
2447
				fwrite($fd, "{$wpa}");
2448
				fclose($fd);
2449
			}
2450
			break;
2451
		case 'hostap':
2452
			if($wlcfg['wpa']['passphrase'])
2453
				$wpa_passphrase = "wpa_passphrase={$wlcfg['wpa']['passphrase']}\n";
2454
			else
2455
				$wpa_passphrase = "";
2456
			if (isset($wlcfg['wpa']['enable'])) {
2457
				$wpa .= <<<EOD
2458
interface={$if}
2459
driver=bsd
2460
logger_syslog=-1
2461
logger_syslog_level=0
2462
logger_stdout=-1
2463
logger_stdout_level=0
2464
dump_file={$g['tmp_path']}/hostapd_{$if}.dump
2465
ctrl_interface={$g['varrun_path']}/hostapd
2466
ctrl_interface_group=wheel
2467
#accept_mac_file={$g['tmp_path']}/hostapd_{$if}.accept
2468
#deny_mac_file={$g['tmp_path']}/hostapd_{$if}.deny
2469
#macaddr_acl={$wlcfg['wpa']['macaddr_acl']}
2470
ssid={$wlcfg['ssid']}
2471
debug={$wlcfg['wpa']['debug_mode']}
2472
auth_algs={$wlcfg['wpa']['auth_algs']}
2473
wpa={$wlcfg['wpa']['wpa_mode']}
2474
wpa_key_mgmt={$wlcfg['wpa']['wpa_key_mgmt']}
2475
wpa_pairwise={$wlcfg['wpa']['wpa_pairwise']}
2476
wpa_group_rekey={$wlcfg['wpa']['wpa_group_rekey']}
2477
wpa_gmk_rekey={$wlcfg['wpa']['wpa_gmk_rekey']}
2478
wpa_strict_rekey={$wlcfg['wpa']['wpa_strict_rekey']}
2479
{$wpa_passphrase}
2480

    
2481
EOD;
2482

    
2483
if (isset($wlcfg['wpa']['rsn_preauth'])) {
2484
	$wpa .= <<<EOD
2485
# Enable the next lines for preauth when roaming. Interface = wired or wireless interface talking to the AP you want to roam from/to
2486
rsn_preauth=1
2487
rsn_preauth_interfaces={$if}
2488

    
2489
EOD;
2490

    
2491
}
2492
				if($wlcfg['auth_server_addr'] && $wlcfg['auth_server_shared_secret']) {
2493
					$auth_server_port = "1812";
2494
					if($wlcfg['auth_server_port'])
2495
						$auth_server_port = $wlcfg['auth_server_port'];
2496
					$auth_server_port2 = "1812";
2497
					if($wlcfg['auth_server_port2'])
2498
						$auth_server_port2 = $wlcfg['auth_server_port2'];
2499
					$wpa .= <<<EOD
2500

    
2501
ieee8021x=1
2502
auth_server_addr={$wlcfg['auth_server_addr']}
2503
auth_server_port={$auth_server_port}
2504
auth_server_shared_secret={$wlcfg['auth_server_shared_secret']}
2505
auth_server_addr={$wlcfg['auth_server_addr2']}
2506
auth_server_port={$auth_server_port2}
2507
auth_server_shared_secret={$wlcfg['auth_server_shared_secret2']}
2508

    
2509
EOD;
2510
				} else {
2511
					$wpa .= "ieee8021x={$wlcfg['wpa']['ieee8021x']}\n";
2512
				}
2513

    
2514
				$fd = fopen("{$g['varetc_path']}/hostapd_{$if}.conf", "w");
2515
				fwrite($fd, "{$wpa}");
2516
				fclose($fd);
2517

    
2518
			}
2519
			break;
2520
	}
2521

    
2522
	/*
2523
	 *    all variables are set, lets start up everything
2524
	 */
2525

    
2526
	$baseif = interface_get_wireless_base($if);
2527
	preg_match("/^(.*?)([0-9]*)$/", $baseif, $baseif_split);
2528
	$wl_sysctl_prefix = 'dev.' . $baseif_split[1] . '.' . $baseif_split[2];
2529

    
2530
	/* set sysctls for the wireless interface */
2531
	if (!empty($wl_sysctl)) {
2532
		fwrite($fd_set, "# sysctls for {$baseif}\n");
2533
		foreach ($wl_sysctl as $wl_sysctl_line) {
2534
			fwrite($fd_set, "{$sysctl} {$wl_sysctl_prefix}.{$wl_sysctl_line}\n");
2535
		}
2536
	}
2537

    
2538
	/* set ack timers according to users preference (if he/she has any) */
2539
	if($distance) {
2540
		fwrite($fd_set, "# Enable ATH distance settings\n");
2541
		fwrite($fd_set, "/sbin/athctrl.sh -i {$baseif} -d {$distance}\n");
2542
	}
2543

    
2544
	if (isset($wlcfg['wpa']['enable'])) {
2545
		if ($wlcfg['mode'] == "bss") {
2546
			fwrite($fd_set, "{$wpa_supplicant} -B -i {$if} -c {$g['varetc_path']}/wpa_supplicant_{$if}.conf\n");
2547
		}
2548
		if ($wlcfg['mode'] == "hostap") {
2549
			/* add line to script to restore old mac to make hostapd happy */
2550
			if (file_exists("{$g['tmp_path']}/{$if}_oldmac")) {
2551
				$if_oldmac = file_get_contents("{$g['tmp_path']}/{$if}_oldmac");
2552
				if (is_macaddr($if_oldmac))
2553
					fwrite($fd_set, "{$ifconfig} " . escapeshellarg($if) .
2554
						" link " . escapeshellarg($if_oldmac) . "\n");
2555
			}
2556

    
2557
			fwrite($fd_set, "{$hostapd} -B -P {$g['varrun_path']}/hostapd_{$if}.pid {$g['varetc_path']}/hostapd_{$if}.conf\n");
2558

    
2559
			/* add line to script to restore spoofed mac after running hostapd */
2560
			if (file_exists("{$g['tmp_path']}/{$if}_oldmac")) {
2561
				if ($wl['spoofmac'])
2562
					$if_curmac = $wl['spoofmac'];
2563
				else
2564
					$if_curmac = get_interface_mac($if);
2565
				if (is_macaddr($if_curmac))
2566
					fwrite($fd_set, "{$ifconfig} " . escapeshellarg($if) .
2567
						" link " . escapeshellarg($if_curmac) . "\n");
2568
			}
2569
		}
2570
	}
2571

    
2572
	fclose($fd_set);
2573
	conf_mount_ro();
2574

    
2575
	/* Making sure regulatory settings have actually changed
2576
	 * before applying, because changing them requires bringing
2577
	 * down all wireless networks on the interface. */
2578
	exec("{$ifconfig} " . escapeshellarg($if), $output);
2579
	$ifconfig_str = implode($output);
2580
	unset($output);
2581
	$reg_changing = false;
2582

    
2583
	/* special case for the debug country code */
2584
	if ($wlcfg['regcountry'] == 'DEBUG' && !preg_match("/\sregdomain\s+DEBUG\s/si", $ifconfig_str))
2585
		$reg_changing = true;
2586
	else if ($wlcfg['regdomain'] && !preg_match("/\sregdomain\s+{$wlcfg['regdomain']}\s/si", $ifconfig_str))
2587
		$reg_changing = true;
2588
	else if ($wlcfg['regcountry'] && !preg_match("/\scountry\s+{$wlcfg['regcountry']}\s/si", $ifconfig_str))
2589
		$reg_changing = true;
2590
	else if ($wlcfg['reglocation'] == 'anywhere' && preg_match("/\s(indoor|outdoor)\s/si", $ifconfig_str))
2591
		$reg_changing = true;
2592
	else if ($wlcfg['reglocation'] && $wlcfg['reglocation'] != 'anywhere' && !preg_match("/\s{$wlcfg['reglocation']}\s/si", $ifconfig_str))
2593
		$reg_changing = true;
2594

    
2595
	if ($reg_changing) {
2596
		/* set regulatory domain */
2597
		if($wlcfg['regdomain'])
2598
			$wlregcmd[] = "regdomain " . escapeshellarg($wlcfg['regdomain']);
2599

    
2600
		/* set country */
2601
		if($wlcfg['regcountry'])
2602
			$wlregcmd[] = "country " . escapeshellarg($wlcfg['regcountry']);
2603

    
2604
		/* set location */
2605
		if($wlcfg['reglocation'])
2606
			$wlregcmd[] = escapeshellarg($wlcfg['reglocation']);
2607

    
2608
		$wlregcmd_args = implode(" ", $wlregcmd);
2609

    
2610
		/* build a complete list of the wireless clones for this interface */
2611
		$clone_list = array();
2612
		if (does_interface_exist(interface_get_wireless_clone($baseif)))
2613
			$clone_list[] = interface_get_wireless_clone($baseif);
2614
		if (isset($config['wireless']['clone']) && is_array($config['wireless']['clone'])) {
2615
			foreach ($config['wireless']['clone'] as $clone) {
2616
				if ($clone['if'] == $baseif)
2617
					$clone_list[] = $clone['cloneif'];
2618
			}
2619
		}
2620

    
2621
		/* find which clones are up and bring them down */
2622
		$clones_up = array();
2623
		foreach ($clone_list as $clone_if) {
2624
			$clone_status = pfSense_get_interface_addresses($clone_if);
2625
			if ($clone_status['status'] == 'up') {
2626
				$clones_up[] = $clone_if;
2627
				mwexec("{$ifconfig} " . escapeshellarg($clone_if) . " down");
2628
			}
2629
		}
2630

    
2631
		/* apply the regulatory settings */
2632
		mwexec("{$ifconfig} " . escapeshellarg($if) . " {$wlregcmd_args}");
2633

    
2634
		/* bring the clones back up that were previously up */
2635
		foreach ($clones_up as $clone_if) {
2636
			mwexec("{$ifconfig} " . escapeshellarg($clone_if) . " up");
2637

    
2638
			/*
2639
			 * Rerun the setup script for the interface if it isn't this interface, the interface
2640
			 * is in infrastructure mode, and WPA is enabled.
2641
			 * This can be removed if wpa_supplicant stops dying when you bring the interface down.
2642
			 */
2643
			if ($clone_if != $if) {
2644
				$friendly_if = convert_real_interface_to_friendly_interface_name($clone_if);
2645
				if ( !empty($friendly_if)
2646
				    && $config['interfaces'][$friendly_if]['wireless']['mode'] == "bss"
2647
				    && isset($config['interfaces'][$friendly_if]['wireless']['wpa']['enable']) ) {
2648
					mwexec("/bin/sh {$g['tmp_path']}/{$clone_if}_setup.sh");
2649
				}
2650
			}
2651
		}
2652
	}
2653

    
2654
	/* The mode must be specified in a separate command before ifconfig
2655
	 * will allow the mode and channel at the same time in the next. */
2656
	mwexec("/sbin/ifconfig {$if} mode " . escapeshellarg($standard));
2657

    
2658
	/* configure wireless */
2659
	$wlcmd_args = implode(" ", $wlcmd);
2660
	mwexec("/sbin/ifconfig {$if} $wlcmd_args", false);
2661

    
2662

    
2663
	sleep(1);
2664
	/* execute hostapd and wpa_supplicant if required in shell */
2665
	mwexec("/bin/sh {$g['tmp_path']}/{$if}_setup.sh");
2666

    
2667
	return 0;
2668

    
2669
}
2670

    
2671
function kill_hostapd($interface) {
2672
	global $g;
2673

    
2674
	if (isvalidpid("{$g['varrun_path']}/hostapd_{$interface}.pid"))
2675
		return killbypid("{$g['varrun_path']}/hostapd_{$interface}.pid");
2676
}
2677

    
2678
function kill_wpasupplicant($interface) {
2679
	return "/bin/pkill -f \"wpa_supplicant .*{$interface}\\.conf\"\n";
2680
}
2681

    
2682
function find_dhclient_process($interface) {
2683
	if ($interface)
2684
		$pid = `/bin/pgrep -axf "dhclient: {$interface}"`;
2685
	else
2686
		$pid = 0;
2687

    
2688
	return intval($pid);
2689
}
2690

    
2691
function find_dhcp6c_process($interface) {
2692
	global $g;
2693

    
2694
	if ($interface && isvalidpid("{$g['varrun_path']}/dhcp6c_{$interface}.pid"))
2695
		$pid = trim(file_get_contents("{$g['varrun_path']}/dhcp6c_{$interface}.pid"), " \n");
2696
	else
2697
		return(false);
2698

    
2699
	return intval($pid);
2700
}
2701

    
2702
function interface_vlan_mtu_configured($realhwif, $mtu) {
2703
	global $config;
2704

    
2705
	if (is_array($config['vlans']['vlan'])) {
2706
		foreach ($config['vlans']['vlan'] as $vlan) {
2707
			if ($vlan['if'] != $realhwif)
2708
				continue;
2709
			$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2710
			if (!empty($assignedport)) {
2711
				$portmtu = $config['interfaces'][$assignedport]['mtu'];
2712
				if (!empty($portmtu) && $portmtu > $mtu)
2713
					$mtu = $portmtu;
2714
			}
2715
		}
2716
	}
2717

    
2718
	return $mtu;
2719
}
2720

    
2721
function interface_configure($interface = "wan", $reloadall = false, $linkupevent = false) {
2722
	global $config, $g;
2723
	global $interface_sn_arr_cache, $interface_ip_arr_cache;
2724
	global $interface_snv6_arr_cache, $interface_ipv6_arr_cache;
2725

    
2726
	$wancfg = $config['interfaces'][$interface];
2727

    
2728
	if (!isset($wancfg['enable']))
2729
		return;
2730

    
2731
	$realif = get_real_interface($interface);
2732
	$realhwif_array = get_parent_interface($interface);
2733
	// Need code to handle MLPPP if we ever use $realhwif for MLPPP handling
2734
	$realhwif = $realhwif_array[0];
2735

    
2736
	/* Disable Accepting router advertisements unless specifically requested */
2737
	if ($g['debug'])
2738
		log_error("Deny router advertisements for interface {$interface}");
2739
	mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 -accept_rtadv");
2740

    
2741
	if (!$g['booting'] && !(substr($realif, 0, 4) == "ovpn")) {
2742
		/* remove all IPv4 and IPv6 addresses */
2743
		while (mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " -alias", true) == 0);
2744
		while (mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 -alias", true) == 0);
2745

    
2746
		/* only bring down the interface when both v4 and v6 are set to NONE */
2747
		if(empty($wancfg['ipaddr']) && empty($wancfg['ipaddrv6'])) {
2748
			interface_bring_down($interface);
2749
		}
2750
	}
2751

    
2752
	/* wireless configuration? */
2753
	if (is_array($wancfg['wireless']))
2754
		interface_wireless_configure($realif, $wancfg, $wancfg['wireless']);
2755

    
2756
	$mac = get_interface_mac($realhwif);
2757
	/*
2758
	 * Don't try to reapply the spoofed MAC if it's already applied.
2759
	 * When ifconfig link is used, it cycles the interface down/up, which triggers
2760
	 * the interface config again, which attempts to spoof the MAC again,
2761
	 * which cycles the link again...
2762
	 */
2763
	if ($wancfg['spoofmac'] && ($wancfg['spoofmac'] != $mac)) {
2764
		mwexec("/sbin/ifconfig " . escapeshellarg($realhwif) .
2765
			" link " . escapeshellarg($wancfg['spoofmac']));
2766

    
2767
		/*
2768
		 * All vlans need to spoof their parent mac address, too.  see
2769
		 * ticket #1514: http://cvstrac.pfsense.com/tktview?tn=1514,33
2770
		 */
2771
		if (is_array($config['vlans']['vlan'])) {
2772
			foreach ($config['vlans']['vlan'] as $vlan) {
2773
				if ($vlan['if'] == $realhwif)
2774
					mwexec("/sbin/ifconfig " . escapeshellarg($vlan['vlanif']) .
2775
					" link " . escapeshellarg($wancfg['spoofmac']));
2776
			}
2777
		}
2778
	}  else {
2779

    
2780
		if ($mac == "ff:ff:ff:ff:ff:ff") {
2781
			/*   this is not a valid mac address.  generate a
2782
			 *   temporary mac address so the machine can get online.
2783
			 */
2784
			echo gettext("Generating new MAC address.");
2785
			$random_mac = generate_random_mac_address();
2786
			mwexec("/sbin/ifconfig " . escapeshellarg($realhwif) .
2787
				" link " . escapeshellarg($random_mac));
2788
			$wancfg['spoofmac'] = $random_mac;
2789
			write_config();
2790
			file_notice("MAC Address altered", sprintf(gettext('The INVALID MAC address (ff:ff:ff:ff:ff:ff) on interface %1$s has been automatically replaced with %2$s'), $realif, $random_mac), "Interfaces");
2791
		}
2792
	}
2793

    
2794
	/* media */
2795
	if ($wancfg['media'] || $wancfg['mediaopt']) {
2796
		$cmd = "/sbin/ifconfig " . escapeshellarg($realhwif);
2797
		if ($wancfg['media'])
2798
			$cmd .= " media " . escapeshellarg($wancfg['media']);
2799
		if ($wancfg['mediaopt'])
2800
			$cmd .= " mediaopt " . escapeshellarg($wancfg['mediaopt']);
2801
		mwexec($cmd);
2802
	}
2803
	$options = pfSense_get_interface_addresses($realhwif);
2804
	if (is_array($options) && isset($options['caps']['polling'])) {
2805
		if (isset($config['system']['polling']))
2806
			pfSense_interface_capabilities($realif, IFCAP_POLLING);
2807
		else
2808
			pfSense_interface_capabilities($realif, -IFCAP_POLLING);
2809
	}
2810

    
2811
	/* skip vlans for checksumming and polling */
2812
	if (!stristr($realif, "_vlan") && is_array($options)) {
2813
		$flags = 0;
2814
		if(isset($config['system']['disablechecksumoffloading'])) {
2815
			if (isset($options['encaps']['txcsum']))
2816
				$flags |= IFCAP_TXCSUM;
2817
			if (isset($options['encaps']['rxcsum']))
2818
				$flags |= IFCAP_RXCSUM;
2819
		} else {
2820
			if (!isset($options['caps']['txcsum']))
2821
				$flags |= IFCAP_TXCSUM;
2822
			if (!isset($options['caps']['rxcsum']))
2823
				$flags |= IFCAP_RXCSUM;
2824
		}
2825

    
2826
		if(isset($config['system']['disablesegmentationoffloading'])) {
2827
			if (isset($options['encaps']['tso4']))
2828
				$flags |= IFCAP_TSO;
2829
			if (isset($options['encaps']['tso6']))
2830
				$flags |= IFCAP_TSO;
2831
		} else {
2832
			if (!isset($options['caps']['tso4']))
2833
				$flags |= IFCAP_TSO;
2834
			if (!isset($options['caps']['tso6']))
2835
				$flags |= IFCAP_TSO;
2836
		}
2837

    
2838
		if(isset($config['system']['disablelargereceiveoffloading'])) {
2839
			if (isset($options['encaps']['lro']))
2840
				$flags |= IFCAP_LRO;
2841
		} else {
2842
			if (!isset($options['caps']['lro']))
2843
				$flags |= IFCAP_LRO;
2844
		}
2845

    
2846
		/* if the NIC supports polling *AND* it is enabled in the GUI */
2847
		if (!isset($config['system']['polling']) || !isset($options['caps']['polling'])) {
2848
			$flags |= IFCAP_POLLING;
2849
		}
2850
		pfSense_interface_capabilities($realhwif, -$flags);
2851
	}
2852

    
2853
	/* invalidate interface/ip/sn cache */
2854
	get_interface_arr(true);
2855
	unset($interface_ip_arr_cache[$realif]);
2856
	unset($interface_sn_arr_cache[$realif]);
2857
	unset($interface_ipv6_arr_cache[$realif]);
2858
	unset($interface_snv6_arr_cache[$realif]);
2859

    
2860
	switch ($wancfg['ipaddr']) {
2861
		case 'dhcp':
2862
			interface_dhcp_configure($interface);
2863
			break;
2864
		case 'pppoe':
2865
		case 'l2tp':
2866
		case 'pptp':
2867
		case 'ppp':
2868
			interface_ppps_configure($interface);
2869
			break;
2870
		default:
2871
			if (is_ipaddr($wancfg['ipaddr']) && $wancfg['subnet'] <> "") {
2872
				pfSense_interface_setaddress($realif, "{$wancfg['ipaddr']}/{$wancfg['subnet']}");
2873
			} else if (substr($realif, 0, 3) == "gre") {
2874
				if (is_array($config['gres']['gre'])) {
2875
					foreach ($config['gres']['gre'] as $gre)
2876
						if ($gre['greif'] == $realif)
2877
							interface_gre_configure($gre);
2878
				}
2879
			} else if (substr($realif, 0, 3) == "gif") {
2880
				if (is_array($config['gifs']['gif'])) {
2881
					foreach ($config['gifs']['gif'] as $gif)
2882
						if($gif['gifif'] == $realif)
2883
							interface_gif_configure($gif);
2884
				}
2885
			} else if (substr($realif, 0, 4) == "ovpn") {
2886
				/* XXX: Should be done anything?! */
2887
			}
2888
			break;
2889
	}
2890

    
2891
	switch ($wancfg['ipaddrv6']) {
2892
		case 'slaac':
2893
		case 'dhcp6':
2894
			interface_dhcpv6_configure($interface, $wancfg);
2895
			break;
2896
		case '6rd':
2897
			interface_6rd_configure($interface, $wancfg);
2898
			break;
2899
		case '6to4':
2900
			interface_6to4_configure($interface, $wancfg);
2901
			break;
2902
		case 'track6':
2903
			interface_track6_configure($interface, $wancfg);
2904
			break;
2905
		default:
2906
			if (is_ipaddr($wancfg['ipaddrv6']) && $wancfg['subnetv6'] <> "") {
2907
				pfSense_interface_setaddress($realif, "{$wancfg['ipaddrv6']}/{$wancfg['subnetv6']}");
2908
				// FIXME: Add IPv6 Support to the pfSense module
2909
				mwexec("/sbin/ifconfig {$realif} inet6 {$wancfg['ipaddrv6']} prefixlen {$wancfg['subnetv6']} ");
2910
			}
2911
			break;
2912
	}
2913

    
2914
	$mtu = get_interface_default_mtu(remove_ifindex($realhwif));
2915
	$assignedparent = convert_real_interface_to_friendly_interface_name($realhwif);
2916
	if (!empty($assignedparent) && !empty($config['interfaces'][$assignedparent]['mtu']))
2917
		$mtu = $config['interfaces'][$assignedparent]['mtu'];
2918

    
2919
	$vlanifs = link_interface_to_vlans($realhwif);
2920
	if (empty($vlanifs))
2921
		$vlanifs = array();
2922

    
2923
	if (!empty($wancfg['mtu'])) {
2924
		if (stristr($realif, "_vlan")) {
2925
			if (!empty($assignedparent)) {
2926
				$parentmtu = $config['interfaces'][$assignedparent]['mtu'];
2927
				if (empty($parentmtu))
2928
					$parentmtu = interface_vlan_mtu_configured($realhwif, $wancfg['mtu']);
2929
				if ($wancfg['mtu'] > $parentmtu) {
2930
					if (get_interface_mtu($realhwif) != $wancfg['mtu'])
2931
						pfSense_interface_mtu($realhwif, $wancfg['mtu']);
2932

    
2933
					/* All vlans need to use the same mtu value as their parent. */
2934
					foreach ($vlanifs as $vlan) {
2935
						if ($vlan['vlanif'] == $realif)
2936
							continue;
2937
						$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2938
						if (!empty($assignedport)) {
2939
							$portmtu = $config['interfaces'][$assignedport]['mtu'];
2940
							if (empty($portmtu) && (get_interface_mtu($vlan['vlanif']) != $wancfg['mtu']))
2941
								pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2942
						} else if (get_interface_mtu($vlan['vlanif']) != $wancfg['mtu'])
2943
							pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2944
					}
2945
				}
2946
			} else {
2947
				/* Parent is not assigned, back to default */
2948
				if (get_interface_mtu($realhwif) != $mtu)
2949
					pfSense_interface_mtu($realhwif, $mtu);
2950

    
2951
				/* All vlans need to use the same mtu value as their parent. */
2952
				foreach ($vlanifs as $vlan) {
2953
					if ($vlan['vlanif'] == $realif)
2954
						continue;
2955
					$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2956
					if (!empty($assignedport)) {
2957
						$portmtu = $config['interfaces'][$assignedport]['mtu'];
2958
						if (empty($portmtu) && (get_interface_mtu($vlan['vlanif']) != $mtu))
2959
							pfSense_interface_mtu($vlan['vlanif'], $mtu);
2960
					} else if (get_interface_mtu($vlan['vlanif']) != $mtu)
2961
						pfSense_interface_mtu($vlan['vlanif'], $mtu);
2962
				}
2963

    
2964
				if (get_interface_mtu($realif) != $wancfg['mtu'])
2965
					pfSense_interface_mtu($realif, $wancfg['mtu']);
2966
			}
2967
		} else {
2968
			foreach ($vlanifs as $vlan) {
2969
				$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2970
				if (empty($assignedport)) {
2971
					if (get_interface_mtu($vlan['vlanif']) != $wancfg['mtu'])
2972
						pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2973
				} else {
2974
					$vlanmtu = $config['interfaces'][$assignedport]['mtu'];
2975
					if ((empty($vlanmtu) || ($vlanmtu >= $wancfg['mtu'])) && (get_interface_mtu($vlan['vlanif']) != $wancfg['mtu']))
2976
						pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2977
				}
2978
			}
2979
		}
2980
		if ($wancfg['mtu'] != get_interface_mtu($realif))
2981
			pfSense_interface_mtu($realif, $wancfg['mtu']);
2982
	} else if (stristr($realif, "_vlan")) {
2983
		/* XXX: This is really dangerous for example with vlans changing their parent mtu! */
2984
		$bigmtu = interface_vlan_mtu_configured($realhwif, $mtu);
2985
		if ($mtu < $bigmtu)
2986
			$mtu = $bigmtu;
2987

    
2988
		if (get_interface_mtu($realhwif) != $mtu)
2989
			pfSense_interface_mtu($realhwif, $mtu);
2990

    
2991
		/* All vlans need to use the same mtu value as their parent. */
2992
		foreach ($vlanifs as $vlan) {
2993
			if ($vlan['vlanif'] == $realif)
2994
				continue;
2995
			$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2996
			if (!empty($assignedport)) {
2997
				$portmtu = $config['interfaces'][$assignedport]['mtu'];
2998
				if (empty($portmtu) && (get_interface_mtu($vlan['vlanif']) != $mtu))
2999
					pfSense_interface_mtu($vlan['vlanif'], $mtu);
3000
			} else if (get_interface_mtu($vlan['vlanif']) != $mtu)
3001
				pfSense_interface_mtu($vlan['vlanif'], $mtu);
3002
		}
3003
		if (get_interface_mtu($realif) != $mtu)
3004
			pfSense_interface_mtu($realif, $mtu);
3005
	} else {
3006
		/* All vlans need to use the same mtu value as their parent. */
3007
		foreach ($vlanifs as $vlan) {
3008
			$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
3009
			if (!empty($assignedport)) {
3010
				$portmtu = $config['interfaces'][$assignedport]['mtu'];
3011
				if (empty($portmtu) && (get_interface_mtu($vlan['vlanif']) != $mtu))
3012
					pfSense_interface_mtu($vlan['vlanif'], $mtu);
3013
			} else if (get_interface_mtu($vlan['vlanif']) != $mtu)
3014
				pfSense_interface_mtu($vlan['vlanif'], $mtu);
3015
		}
3016
		if ($mtu != get_interface_mtu($realhwif))
3017
			pfSense_interface_mtu($realhwif, $mtu);
3018
	}
3019

    
3020
	unset($vlanifs);
3021

    
3022
	if(does_interface_exist($wancfg['if']))
3023
		interfaces_bring_up($wancfg['if']);
3024

    
3025
	interface_netgraph_needed($interface);
3026

    
3027
	if (!$g['booting']) {
3028
		link_interface_to_vips($interface, "update");
3029

    
3030
		unset($gre);
3031
		$gre = link_interface_to_gre($interface);
3032
		if (!empty($gre))
3033
			array_walk($gre, 'interface_gre_configure');
3034

    
3035
		unset($gif);
3036
		$gif = link_interface_to_gif($interface);
3037
		if (!empty($gif))
3038
			array_walk($gif, 'interface_gif_configure');
3039

    
3040
		if ($linkupevent == false || substr($realif, 0, 4) == "ovpn") {
3041
			unset($bridgetmp);
3042
			$bridgetmp = link_interface_to_bridge($interface);
3043
			if (!empty($bridgetmp))
3044
				interface_bridge_add_member($bridgetmp, $realif);
3045
		}
3046

    
3047
		$grouptmp = link_interface_to_group($interface);
3048
		if (!empty($grouptmp))
3049
			array_walk($grouptmp, 'interface_group_add_member');
3050

    
3051
		if ($interface == "lan")
3052
			/* make new hosts file */
3053
			system_hosts_generate();
3054

    
3055
		if ($reloadall == true) {
3056

    
3057
			/* reconfigure static routes (kernel may have deleted them) */
3058
			system_routing_configure($interface);
3059

    
3060
			/* reload ipsec tunnels */
3061
			vpn_ipsec_configure();
3062

    
3063
			/* restart dnsmasq */
3064
			services_dnsmasq_configure();
3065

    
3066
			/* update dyndns */
3067
			send_event("service reload dyndns {$interface}");
3068

    
3069
			/* reload captive portal */
3070
			captiveportal_init_rules();
3071
		}
3072
	}
3073

    
3074
	interfaces_staticarp_configure($interface);
3075
	return 0;
3076
}
3077

    
3078
function interface_track6_configure($interface = "lan", $wancfg) {
3079
	global $config, $g;
3080

    
3081
	if (!is_array($wancfg))
3082
		return;
3083

    
3084
	if (!isset($wancfg['enable']))
3085
		return;
3086

    
3087
	/* If the interface is not configured via another, exit */
3088
	if (empty($wancfg['track6-interface']))
3089
		return;
3090

    
3091
	/* always configure a link-local of fe80::1:1 on the track6 interfaces */
3092
	$realif = get_real_interface($interface);
3093
	$linklocal = find_interface_ipv6_ll($realif);
3094
	if (!empty($linklocal))
3095
		mwexec("/sbin/ifconfig {$realif} inet6 {$linklocal} delete");
3096
	mwexec("/sbin/ifconfig {$realif} inet6 fe80::1:1%{$realif}");
3097

    
3098
	$trackcfg = $config['interfaces'][$wancfg['track6-interface']];
3099
	if (!isset($trackcfg['enable'])) {
3100
		log_error("Interface {$interface} tracking non-existant interface {$wancfg['track6-interface']}");
3101
		return;
3102
	}
3103

    
3104
	switch($trackcfg['ipaddrv6']) {
3105
	case "6to4":
3106
		if ($g['debug'])
3107
			log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3108
		interface_track6_6to4_configure($interface, $wancfg);
3109
		break;
3110
	case "6rd":
3111
		if ($g['debug'])
3112
			log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3113
		interface_track6_6rd_configure($interface, $wancfg);
3114
		break;
3115
	case "dhcp6":
3116
		if ($g['debug'])
3117
			log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3118
		interface_track6_dhcp6_configure($interface, $wancfg);
3119
		break;
3120
	}
3121

    
3122
	if (!$g['booting']) {
3123
		if (!function_exists('services_dhcpd_configure'))
3124
			require_once("services.inc");
3125

    
3126
		services_dhcpd_configure("inet6");
3127
	}
3128

    
3129
	return 0;
3130
}
3131

    
3132
function interface_track6_6rd_configure($interface = "lan", $lancfg) {
3133
	global $config, $g;
3134
	global $interface_ipv6_arr_cache;
3135
	global $interface_snv6_arr_cache;
3136

    
3137
	if (!is_array($lancfg))
3138
		return;
3139

    
3140
	/* If the interface is not configured via another, exit */
3141
	if (empty($lancfg['track6-interface']))
3142
		return;
3143

    
3144
	if (!is_numeric($lancfg['track6-prefix-id']))
3145
		$lancfg['track6-prefix-id'] = 0;
3146

    
3147
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3148
	if (empty($wancfg)) {
3149
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3150
		return;
3151
	}
3152

    
3153
	$ip4address = get_interface_ip($lancfg['track6-interface']);
3154
	if (!is_ipaddrv4($ip4address)) { /* XXX: This should not be needed by 6rd || (is_private_ip($ip4address))) { */
3155
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$lancfg['track6-interface']}' is not public, not configuring 6RD tunnel");
3156
		return;
3157
	}
3158
	$hexwanv4 = return_hex_ipv4($ip4address);
3159

    
3160
	/* create the long prefix notation for math, save the prefix length */
3161
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3162
	$rd6prefixlen = $rd6prefix[1];
3163
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3164

    
3165
	/* binary presentation of the prefix for all 128 bits. */
3166
	$rd6lanbin = convert_ipv6_to_128bit($rd6prefix);
3167

    
3168
	/* just save the left prefix length bits */
3169
	$rd6lanbin = substr($rd6lanbin, 0, $rd6prefixlen);
3170
	/* add the v4 address, offset n bits from the left */
3171
	$rd6lanbin .= substr(sprintf("%032b", hexdec($hexwanv4)), (0 + $wancfg['prefix-6rd-v4plen']), 32);
3172

    
3173
	/* add the custom prefix id, max 32bits long? (64 bits - (prefixlen + (32 - v4plen)) */
3174
	/* 64 - (37 + (32 - 17)) = 8 == /52 */
3175
	$restbits = 64 - ($rd6prefixlen + (32 - $wancfg['prefix-6rd-v4plen']));
3176
	// echo "64 - (prefixlen {$rd6prefixlen} + v4len (32 - {$wancfg['prefix-6rd-v4plen']})) = {$restbits} \n";
3177
	$rd6lanbin .= substr(sprintf("%032b", str_pad($lancfg['track6-prefix-id'], 32, "0", STR_PAD_LEFT)), (32 - $restbits), 32);
3178
	/* fill the rest out with zeros */
3179
	$rd6lanbin = str_pad($rd6lanbin, 128, "0", STR_PAD_RIGHT);;
3180

    
3181
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3182
	$rd6lan = convert_128bit_to_ipv6($rd6lanbin) ."1";
3183

    
3184
	$lanif = get_real_interface($interface);
3185
	$oip = find_interface_ipv6($lanif);
3186
	if (is_ipaddrv6($oip))
3187
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3188
	unset($interface_ipv6_arr_cache[$lanif]);
3189
	unset($interface_snv6_arr_cache[$lanif]);
3190
	log_error("rd6 {$interface} with ipv6 address {$rd6lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3191
	mwexec("/sbin/ifconfig {$lanif} inet6 {$rd6lan} prefixlen 64");
3192

    
3193
	return 0;
3194
}
3195

    
3196
function interface_track6_6to4_configure($interface = "lan", $lancfg) {
3197
	global $config, $g;
3198
	global $interface_ipv6_arr_cache;
3199
	global $interface_snv6_arr_cache;
3200

    
3201
	if (!is_array($lancfg))
3202
		return;
3203

    
3204
	/* If the interface is not configured via another, exit */
3205
	if (empty($lancfg['track6-interface']))
3206
		return;
3207

    
3208
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3209
	if (empty($wancfg)) {
3210
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3211
		return;
3212
	}
3213

    
3214
	if (!is_numeric($lancfg['track6-prefix-id']))
3215
		$lancfg['track6-prefix-id'] = 0;
3216

    
3217
	$ip4address = get_interface_ip($lancfg['track6-interface']);
3218
	if (!is_ipaddrv4($ip4address) || is_private_ip($ip4address)) {
3219
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$lancfg['track6-interface']}' is not public, not configuring 6RD tunnel");
3220
		return;
3221
	}
3222
	$hexwanv4 = return_hex_ipv4($ip4address);
3223

    
3224
	/* create the long prefix notation for math, save the prefix length */
3225
	$sixto4prefix = "2002::";
3226
	$sixto4prefixlen = 16;
3227
	$sixto4prefix = Net_IPv6::uncompress($sixto4prefix);
3228

    
3229
	/* binary presentation of the prefix for all 128 bits. */
3230
	$sixto4lanbin = convert_ipv6_to_128bit($sixto4prefix);
3231

    
3232
	/* just save the left prefix length bits */
3233
	$sixto4lanbin = substr($sixto4lanbin, 0, $sixto4prefixlen);
3234
	/* add the v4 address */
3235
	$sixto4lanbin .= sprintf("%032b", hexdec($hexwanv4));
3236
	/* add the custom prefix id */
3237
	$sixto4lanbin .= sprintf("%016b", $lancfg['track6-prefix-id']);
3238
	/* fill the rest out with zeros */
3239
	$sixto4lanbin = str_pad($sixto4lanbin, 128, "0", STR_PAD_RIGHT);;
3240

    
3241
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3242
	$sixto4lan = convert_128bit_to_ipv6($sixto4lanbin) ."1";
3243

    
3244
	$lanif = get_real_interface($interface);
3245
	$oip = find_interface_ipv6($lanif);
3246
	if (is_ipaddrv6($oip))
3247
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3248
	unset($interface_ipv6_arr_cache[$lanif]);
3249
	unset($interface_snv6_arr_cache[$lanif]);
3250
	log_error("sixto4 {$interface} with ipv6 address {$sixto4lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3251
	mwexec("/sbin/ifconfig {$lanif} inet6 {$sixto4lan} prefixlen 64");
3252

    
3253
	return 0;
3254
}
3255

    
3256
function interface_track6_dhcp6_configure($interface = "lan", $lancfg) {
3257
	global $config, $g;
3258
	global $interface_ipv6_arr_cache;
3259
	global $interface_snv6_arr_cache;
3260

    
3261
	if (!is_array($lancfg))
3262
		return;
3263

    
3264
	/* If the interface is not configured via another, exit */
3265
	if (empty($lancfg['track6-interface']))
3266
		return;
3267

    
3268
	if (!is_numeric($lancfg['track6-prefix-id']))
3269
		$lancfg['track6-prefix-id'] = 0;
3270

    
3271
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3272
	if (empty($wancfg)) {
3273
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3274
		return;
3275
	}
3276

    
3277
	$lanif = get_real_interface($interface);
3278
	$oip = find_interface_ipv6($lanif);
3279
	if (is_ipaddrv6($oip))
3280
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3281
	unset($interface_ipv6_arr_cache[$lanif]);
3282
	unset($interface_snv6_arr_cache[$lanif]);
3283

    
3284
	if ($wancfg['ipaddrv6'] == "slaac") {
3285
		$ifcfgipv6 = get_interface_ipv6($lancfg['track6-interface']);
3286
		if (is_ipaddrv6($ifcfgipv6)) {
3287
			$dhcp6lanarr = explode(":", Net_IPv6::uncompress($ifcfgipv6));
3288
			$dhcp6lanarr[4] = 0;
3289
			$dhcp6lanarr[5] = 0;
3290
			$dhcp6lanarr[6] = 0;
3291
			$dhcp6lanarr[7] = 1;
3292
			$dhcp6lan =  Net_IPv6::compress(implode(":", $dhcp6lanarr));
3293
			log_error("dhcp6 {$interface} with ipv6 address {$dhcp6lan} based on {$lancfg['track6-interface']}");
3294
			mwexec("/sbin/ifconfig {$lanif} inet6 {$dhcp6lan} prefixlen 64");
3295
		}
3296
	}
3297

    
3298
	return 0;
3299
}
3300

    
3301
function interface_6rd_configure($interface = "wan", $wancfg) {
3302
	global $config, $g;
3303

    
3304
	/* because this is a tunnel interface we can only function
3305
	 *	with a public IPv4 address on the interface */
3306

    
3307
	if (!is_array($wancfg))
3308
		return;
3309

    
3310
	$wanif = get_real_interface($interface);
3311
	$ip4address = find_interface_ip($wanif);
3312
	if ((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3313
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3314
		return false;
3315
	}
3316
	$hexwanv4 = return_hex_ipv4($ip4address);
3317

    
3318
	if (!is_numeric($wancfg['prefix-6rd-v4plen']))
3319
		$wancfg['prefix-6rd-v4plen'] = 0;
3320

    
3321
	/* create the long prefix notation for math, save the prefix length */
3322
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3323
	$rd6prefixlen = $rd6prefix[1];
3324
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3325

    
3326
	/* binary presentation of the prefix for all 128 bits. */
3327
	$rd6prefixbin = convert_ipv6_to_128bit($rd6prefix);
3328

    
3329
	/* just save the left prefix length bits */
3330
	$rd6prefixbin = substr($rd6prefixbin, 0, $rd6prefixlen);
3331
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3332
	$rd6prefixbin .= substr(sprintf("%032b", hexdec($hexwanv4)), $wancfg['prefix-6rd-v4plen'], 32);
3333
	/* fill out the rest with 0's */
3334
	$rd6prefixbin = str_pad($rd6prefixbin, 128, "0", STR_PAD_RIGHT);;
3335

    
3336
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3337
	$rd6prefix = convert_128bit_to_ipv6($rd6prefixbin);
3338

    
3339
	$rd6brgw = "{$rd6prefix}{$wancfg['gateway-6rd']}";
3340

    
3341
	/* XXX: need to extend to support variable prefix size for v4 */
3342
	if (!is_module_loaded("if_stf"))
3343
		mwexec("/sbin/kldload if_stf.ko");
3344
	$stfiface = "{$interface}_stf";
3345
	if (does_interface_exist($stfiface))
3346
		pfSense_interface_destroy($stfiface);
3347
	$tmpstfiface = pfSense_interface_create("stf");
3348
	pfSense_interface_rename($tmpstfiface, $stfiface);
3349
	pfSense_interface_flags($stfiface, IFF_LINK2);
3350
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$rd6prefix}/{$rd6prefixlen}");
3351
	if ($wancfg['prefix-6rd-v4plen'] > 0 && $wancfg['prefix-6rd-v4plen'] < 32)
3352
		mwexec("/sbin/ifconfig {$stfiface} stfv4net {$ip4address}/{$wancfg['prefix-6rd-v4plen']}");
3353
	if ($g['debug'])
3354
		log_error("Created 6rd interface {$stfiface} {$rd6prefix}/{$rd6prefixlen}");
3355

    
3356
	/* write out a default router file */
3357
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$rd6brgw}\n");
3358
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$rd6brgw}\n");
3359

    
3360
	$ip4gateway = get_interface_gateway($interface);
3361
	if (is_ipaddrv4($ip4gateway))
3362
		mwexec("/sbin/route change -host " . escapeshellarg($wancfg['gateway-6rd']) . " {$ip4gateway}");
3363

    
3364
	/* configure dependent interfaces */
3365
	if (!$g['booting'])
3366
		link_interface_to_track6($interface, "update");
3367

    
3368
	return 0;
3369
}
3370

    
3371
function interface_6to4_configure($interface = "wan", $wancfg){
3372
	global $config, $g;
3373

    
3374
	/* because this is a tunnel interface we can only function
3375
	 *	with a public IPv4 address on the interface */
3376

    
3377
	if (!is_array($wancfg))
3378
		return;
3379

    
3380
	$wanif = get_real_interface($interface);
3381
	$ip4address = find_interface_ip($wanif);
3382
	if((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3383
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3384
		return false;
3385
	}
3386

    
3387
	/* create the long prefix notation for math, save the prefix length */
3388
	$stfprefixlen = 16;
3389
	$stfprefix = Net_IPv6::uncompress("2002::");
3390
	$stfarr = explode(":", $stfprefix);
3391
	$v4prefixlen = "0";
3392

    
3393
	/* we need the hex form of the interface IPv4 address */
3394
	$ip4arr = explode(".", $ip4address);
3395
	$hexwanv4 = "";
3396
	foreach($ip4arr as $octet)
3397
		$hexwanv4 .= sprintf("%02x", $octet);
3398

    
3399
	/* we need the hex form of the broker IPv4 address */
3400
	$ip4arr = explode(".", "192.88.99.1");
3401
	$hexbrv4 = "";
3402
	foreach($ip4arr as $octet)
3403
		$hexbrv4 .= sprintf("%02x", $octet);
3404

    
3405
	/* binary presentation of the prefix for all 128 bits. */
3406
	$stfprefixbin = "";
3407
	foreach($stfarr as $element) {
3408
		$stfprefixbin .= sprintf("%016b", hexdec($element));
3409
	}
3410
	/* just save the left prefix length bits */
3411
	$stfprefixstartbin = substr($stfprefixbin, 0, $stfprefixlen);
3412

    
3413
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3414
	$stfbrokerbin = substr(sprintf("%032b", hexdec($hexbrv4)), $v4prefixlen, 32);
3415
	$stfbrokerbin = str_pad($stfprefixstartbin . $stfbrokerbin, 128, "0", STR_PAD_RIGHT);;
3416

    
3417
	/* for the local subnet too. */
3418
	$stflanbin = substr(sprintf("%032b", hexdec($hexwanv4)), $v4prefixlen, 32);
3419
	$stflanbin = str_pad($stfprefixstartbin . $stflanbin, 128, "0", STR_PAD_RIGHT);;
3420

    
3421
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3422
	$stfbrarr = array();
3423
	$stfbrbinarr = array();
3424
	$stfbrbinarr = str_split($stfbrokerbin, 16);
3425
	foreach($stfbrbinarr as $bin)
3426
		$stfbrarr[] = dechex(bindec($bin));
3427
	$stfbrgw = Net_IPv6::compress(implode(":", $stfbrarr));
3428

    
3429
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3430
	$stflanarr = array();
3431
	$stflanbinarr = array();
3432
	$stflanbinarr = str_split($stflanbin, 16);
3433
	foreach($stflanbinarr as $bin)
3434
		$stflanarr[] = dechex(bindec($bin));
3435
	$stflanpr = Net_IPv6::compress(implode(":", $stflanarr));
3436
	$stflanarr[7] = 1;
3437
	$stflan = Net_IPv6::compress(implode(":", $stflanarr));
3438

    
3439
	/* setup the stf interface */
3440
	if (!is_module_loaded("if_stf"))
3441
		mwexec("/sbin/kldload if_stf.ko");
3442
	$stfiface = "{$interface}_stf";
3443
	if (does_interface_exist($stfiface))
3444
		pfSense_interface_destroy($stfiface);
3445
	$tmpstfiface = pfSense_interface_create("stf");
3446
	pfSense_interface_rename($tmpstfiface, $stfiface);
3447
	pfSense_interface_flags($stfiface, IFF_LINK2);
3448
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$stflanpr} prefixlen 16");
3449

    
3450
	if ($g['debug'])
3451
		log_error("Set IPv6 address inet6 {$stflanpr} prefixlen 16 for {$stfiface}, route {$stfbrgw}");
3452

    
3453
	/* write out a default router file */
3454
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$stfbrgw}");
3455
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$stfbrgw}");
3456

    
3457
	$ip4gateway = get_interface_gateway($interface);
3458
	if (is_ipaddrv4($ip4gateway))
3459
		mwexec("route change -host 192.88.99.1 {$ip4gateway}");
3460

    
3461
	if (!$g['booting'])
3462
		link_interface_to_track6($interface, "update");
3463

    
3464
	return 0;
3465
}
3466

    
3467
function interface_dhcpv6_configure($interface = "wan", $wancfg) {
3468
	global $config, $g;
3469

    
3470
	if (!is_array($wancfg))
3471
		return;
3472

    
3473
	$wanif = get_real_interface($interface);
3474
	$dhcp6cconf = "";
3475
	$dhcp6cconf .= "interface {$wanif} {\n";
3476

    
3477
	/* for SLAAC interfaces we do fire off a dhcp6 client for just our name servers */
3478
	if($wancfg['ipaddrv6'] == "slaac") {
3479
		$dhcp6cconf .= "	information-only;\n";
3480
		$dhcp6cconf .= "	request domain-name-servers;\n";
3481
		$dhcp6cconf .= "	request domain-name;\n";
3482
		$dhcp6cconf .= "	script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3483
		$dhcp6cconf .= "};\n";
3484
	} else {
3485

    
3486
		$dhcp6cconf .= " 	send ia-na 0;	# request stateful address\n";
3487
		if(is_numeric($wancfg['dhcp6-ia-pd-len']))
3488
			$dhcp6cconf .= "	send ia-pd 0;	# request prefix delegation\n";
3489
		$dhcp6cconf .= "request domain-name-servers;\n";
3490
		$dhcp6cconf .= "request domain-name;\n";
3491
		$dhcp6cconf .= "script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3492

    
3493
		$dhcp6cconf .= "};\n";
3494
		$dhcp6cconf .= "id-assoc na 0 { };\n";
3495
		if(is_numeric($wancfg['dhcp6-ia-pd-len'])) {
3496
			/* Setup the prefix delegation */
3497
			$dhcp6cconf .= "id-assoc pd 0 {\n";
3498
			$iflist = link_interface_to_track6($interface);
3499
			foreach ($iflist as $friendly => $ifcfg) {
3500
				if (is_numeric($ifcfg['track6-prefix-id'])) {
3501
					if ($g['debug'])
3502
						log_error("setting up $ifdescr - {$ifcfg['track6-prefix-id']}");
3503
					$realif = get_real_interface($friendly);
3504
					$dhcp6cconf .= "	prefix-interface {$realif} {\n";
3505
					$dhcp6cconf .= "		sla-id {$ifcfg['track6-prefix-id']};\n";
3506
					$dhcp6cconf .= "		sla-len {$wancfg['dhcp6-ia-pd-len']};\n";
3507
					$dhcp6cconf .= "	};\n";
3508
				}
3509
			}
3510
			unset($iflist, $ifcfg);
3511
			$dhcp6cconf .= "};\n";
3512
		}
3513
	}
3514
	/* wide-dhcp6c works for now. */
3515
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}.conf", $dhcp6cconf)) {
3516
		printf("Error: cannot open dhcp6c_{$interface}.conf in interface_dhcpv6_configure() for writing.\n");
3517
		unset($dhcp6cconf);
3518
		return 1;
3519
	}
3520
	unset($dhcp6cconf);
3521

    
3522
	$dhcp6cscript = "#!/bin/sh\n";
3523
	$dhcp6cscript .= "# This shell script launches /etc/rc.newwanipv6 with a interface argument.\n";
3524
	$dhcp6cscript .= "/etc/rc.newwanipv6 {$wanif} \n";
3525
	/* Add wide-dhcp6c shell script here. Because we can not pass a argument to it. */
3526
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", $dhcp6cscript)) {
3527
		printf("Error: cannot open dhcp6c_{$interface}_script.sh in interface_dhcpv6_configure() for writing.\n");
3528
		unset($dhcp6cscript);
3529
		return 1;
3530
	}
3531
	unset($dhcp6cscript);
3532
	@chmod("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", 0755);
3533

    
3534
	$rtsoldscript = "#!/bin/sh\n";
3535
	$rtsoldscript .= "# This shell script launches dhcp6c and configured gateways for this interface.\n";
3536
	$rtsoldscript .= "echo $2 > {$g['tmp_path']}/{$wanif}_routerv6\n";
3537
	$rtsoldscript .= "echo $2 > {$g['tmp_path']}/{$wanif}_defaultgwv6\n";
3538
	$rtsoldscript .= "if [ -f {$g['varrun_path']}/dhcp6c_{$wanif}.pid ]; then\n";
3539
	$rtsoldscript .= "\t/bin/pkill -F {$g['varrun_path']}/dhcp6c_{$wanif}.pid\n";
3540
	$rtsoldscript .= "fi\n";
3541
	$rtsoldscript .= "/usr/local/sbin/dhcp6c -d -c {$g['varetc_path']}/dhcp6c_{$interface}.conf -p {$g['varrun_path']}/dhcp6c_{$wanif}.pid {$wanif}\n";
3542
	/* Add wide-dhcp6c shell script here. Because we can not pass a argument to it. */
3543
	if (!@file_put_contents("{$g['varetc_path']}/rtsold_{$wanif}_script.sh", $rtsoldscript)) {
3544
		printf("Error: cannot open rtsold_{$interface}_script.sh in interface_dhcpv6_configure() for writing.\n");
3545
		unset($rtsoldscript);
3546
		return 1;
3547
	}
3548
	unset($rtsoldscript);
3549
	@chmod("{$g['varetc_path']}/rtsold_{$wanif}_script.sh", 0755);
3550

    
3551
	/* accept router advertisements for this interface */
3552
	mwexec("/sbin/sysctl -w net.inet6.ip6.accept_rtadv=1");
3553
	log_error("Accept router advertisements on interface {$wanif} ");
3554
	mwexec("/sbin/ifconfig {$wanif} inet6 accept_rtadv");
3555

    
3556
	/* fire up rtsold for IPv6 RAs first, this backgrounds immediately. It will call dhcp6c */
3557
	if (isvalidpid("{$g['varrun_path']}/rtsold_{$wanif}.pid")) {
3558
		killbypid("{$g['varrun_path']}/rtsold_{$wanif}.pid");
3559
		sleep(2);
3560
	}
3561
	mwexec("/usr/sbin/rtsold -1 -p {$g['varrun_path']}/rtsold_{$wanif}.pid -O {$g['varetc_path']}/rtsold_{$wanif}_script.sh {$wanif}");
3562

    
3563
	/* NOTE: will be called from rtsold invoked script
3564
	 * link_interface_to_track6($interface, "update");
3565
	 */
3566

    
3567
	return 0;
3568
}
3569

    
3570
function interface_dhcp_configure($interface = "wan") {
3571
	global $config, $g;
3572

    
3573
	$wancfg = $config['interfaces'][$interface];
3574
	$wanif = $wancfg['if'];
3575
	if (empty($wancfg))
3576
		$wancfg = array();
3577

    
3578
	/* generate dhclient_wan.conf */
3579
	$fd = fopen("{$g['varetc_path']}/dhclient_{$interface}.conf", "w");
3580
	if (!$fd) {
3581
		printf(printf(gettext("Error: cannot open dhclient_%s.conf in interface_dhcp_configure() for writing.%s"), $interface, "\n"));
3582
		return 1;
3583
	}
3584

    
3585
	if ($wancfg['dhcphostname']) {
3586
		$dhclientconf_hostname = "send dhcp-client-identifier \"{$wancfg['dhcphostname']}\";\n";
3587
		$dhclientconf_hostname .= "\tsend host-name \"{$wancfg['dhcphostname']}\";\n";
3588
	} else {
3589
		$dhclientconf_hostname = "";
3590
	}
3591

    
3592
	$wanif = get_real_interface($interface);
3593
	if (empty($wanif)) {
3594
		log_error(sprintf(gettext("Invalid interface \"%s\" in interface_dhcp_configure()"), $interface));
3595
		return 0;
3596
	}
3597
	$dhclientconf = "";
3598

    
3599
	$dhclientconf .= <<<EOD
3600
interface "{$wanif}" {
3601
timeout 60;
3602
retry 15;
3603
select-timeout 0;
3604
initial-interval 1;
3605
	{$dhclientconf_hostname}
3606
	script "/sbin/dhclient-script";
3607
}
3608

    
3609
EOD;
3610

    
3611
if(is_ipaddr($wancfg['alias-address'])) {
3612
	$subnetmask = gen_subnet_mask($wancfg['alias-subnet']);
3613
	$dhclientconf .= <<<EOD
3614
alias {
3615
	interface  "{$wanif}";
3616
	fixed-address {$wancfg['alias-address']};
3617
	option subnet-mask {$subnetmask};
3618
}
3619

    
3620
EOD;
3621
}
3622
	fwrite($fd, $dhclientconf);
3623
	fclose($fd);
3624

    
3625
	/* bring wan interface up before starting dhclient */
3626
	if($wanif)
3627
		interfaces_bring_up($wanif);
3628
	else
3629
		log_error(printf(gettext("Could not bring up %s interface in interface_dhcp_configure()"), $wanif));
3630

    
3631
	/* fire up dhclient */
3632
	mwexec("/sbin/dhclient -c {$g['varetc_path']}/dhclient_{$interface}.conf {$wanif} > {$g['tmp_path']}/{$wanif}_output 2> {$g['tmp_path']}/{$wanif}_error_output");
3633

    
3634
	return 0;
3635
}
3636

    
3637
function interfaces_group_setup() {
3638
	global $config;
3639

    
3640
	if (!is_array($config['ifgroups']['ifgroupentry']))
3641
		return;
3642

    
3643
	foreach ($config['ifgroups']['ifgroupentry'] as $groupar)
3644
		interface_group_setup($groupar);
3645

    
3646
	return;
3647
}
3648

    
3649
function interface_group_setup(&$groupname /* The parameter is an array */) {
3650
	global $config;
3651

    
3652
	if (!is_array($groupname))
3653
		return;
3654
	$members = explode(" ", $groupname['members']);
3655
	foreach($members as $ifs) {
3656
		$realif = get_real_interface($ifs);
3657
		if ($realif)
3658
			mwexec("/sbin/ifconfig {$realif} group {$groupname['ifname']}");
3659
	}
3660

    
3661
	return;
3662
}
3663

    
3664
function is_interface_group($if) {
3665
	global $config;
3666

    
3667
	if (is_array($config['ifgroups']['ifgroupentry']))
3668
		foreach ($config['ifgroups']['ifgroupentry'] as $groupentry) {
3669
			if ($groupentry['ifname'] === $if)
3670
				return true;
3671
		}
3672

    
3673
	return false;
3674
}
3675

    
3676
function interface_group_add_member($interface, $groupname) {
3677
	$interface = get_real_interface($interface);
3678
	mwexec("/sbin/ifconfig {$interface} group {$groupname}", true);
3679
}
3680

    
3681
/* COMPAT Function */
3682
function convert_friendly_interface_to_real_interface_name($interface) {
3683
	return get_real_interface($interface);
3684
}
3685

    
3686
/* COMPAT Function */
3687
function get_real_wan_interface($interface = "wan") {
3688
	return get_real_interface($interface);
3689
}
3690

    
3691
/* COMPAT Function */
3692
function get_current_wan_address($interface = "wan") {
3693
	return get_interface_ip($interface);
3694
}
3695

    
3696
/*
3697
 * convert_real_interface_to_friendly_interface_name($interface): convert fxp0 -> wan, etc.
3698
 */
3699
function convert_real_interface_to_friendly_interface_name($interface = "wan") {
3700
	global $config;
3701

    
3702
	if (stristr($interface, "_vip")) {
3703
		foreach ($config['virtualip']['vip'] as $counter => $vip) {
3704
			if ($vip['mode'] == "carp")  {
3705
				if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3706
					return $vip['interface'];
3707
			}
3708
		}
3709
	}
3710

    
3711
	/* XXX: For speed reasons reference directly the interface array */
3712
	$ifdescrs = &$config['interfaces'];
3713
	//$ifdescrs = get_configured_interface_list(false, true);
3714

    
3715
	if (strstr($interface, "_stf"))
3716
		$interface = str_replace("_stf", "", $interface);
3717

    
3718
	foreach ($ifdescrs as $if => $ifname) {
3719
		if ($if == $interface || $config['interfaces'][$if]['if'] == $interface)
3720
			return $if;
3721

    
3722
		if (stristr($interface, "_wlan0") && $config['interfaces'][$if]['if'] == interface_get_wireless_base($interface))
3723
			return $if;
3724

    
3725
		// XXX: This case doesn't work anymore (segfaults - recursion?) - should be replaced with something else or just removed.
3726
		//      Not to be replaced with get_real_interface - causes slow interface listings here because of recursion!
3727
		/*
3728
		$int = get_parent_interface($if);
3729
		if ($int[0] == $interface)
3730
			return $ifname;
3731
		*/
3732
	}
3733

    
3734
	return NULL;
3735
}
3736

    
3737
/* attempt to resolve interface to friendly descr */
3738
function convert_friendly_interface_to_friendly_descr($interface) {
3739
	global $config;
3740

    
3741
	switch ($interface) {
3742
	case "l2tp":
3743
		$ifdesc = "L2TP";
3744
		break;
3745
	case "pptp":
3746
		$ifdesc = "PPTP";
3747
		break;
3748
	case "pppoe":
3749
		$ifdesc = "PPPoE";
3750
		break;
3751
	case "openvpn":
3752
		$ifdesc = "OpenVPN";
3753
		break;
3754
	case "enc0":
3755
	case "ipsec":
3756
		$ifdesc = "IPsec";
3757
		break;
3758
	default:
3759
		if (isset($config['interfaces'][$interface])) {
3760
			if (empty($config['interfaces'][$interface]['descr']))
3761
				$ifdesc = strtoupper($interface);
3762
			else
3763
				$ifdesc = strtoupper($config['interfaces'][$interface]['descr']);
3764
			break;
3765
		} else if (stristr($interface, "_vip")) {
3766
			if (is_array($config['virtualip']['vip'])) {
3767
				foreach ($config['virtualip']['vip'] as $counter => $vip) {
3768
					if ($vip['mode'] == "carp")  {
3769
						if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3770
							return "{$vip['subnet']} - {$vip['descr']}";
3771
					}
3772
				}
3773
			}
3774
		} else {
3775
			/* if list */
3776
			$ifdescrs = get_configured_interface_with_descr(false, true);
3777
			foreach ($ifdescrs as $if => $ifname) {
3778
				if ($if == $interface || $ifname == $interface)
3779
					return $ifname;
3780
			}
3781
		}
3782
		break;
3783
	}
3784

    
3785
	return $ifdesc;
3786
}
3787

    
3788
function convert_real_interface_to_friendly_descr($interface) {
3789
	global $config;
3790

    
3791
	$ifdesc = convert_real_interface_to_friendly_interface_name("{$interface}");
3792

    
3793
	if ($ifdesc) {
3794
		$iflist = get_configured_interface_with_descr(false, true);
3795
		return $iflist[$ifdesc];
3796
	}
3797

    
3798
	return $interface;
3799
}
3800

    
3801
/*
3802
 *  get_parent_interface($interface):
3803
 *			--returns the (real or virtual) parent interface(s) array for a given interface friendly name (i.e. wan)
3804
 *				or virtual interface (i.e. vlan)
3805
 *				(We need array because MLPPP and bridge interfaces have more than one parent.)
3806
 *			-- returns $interface passed in if $interface parent is not found
3807
 *			-- returns empty array if an invalid interface is passed
3808
 *	(Only handles ppps and vlans now.)
3809
 */
3810
function get_parent_interface($interface) {
3811
	global $config;
3812

    
3813
	$parents = array();
3814
	//Check that we got a valid interface passed
3815
	$realif = get_real_interface($interface);
3816
	if ($realif == NULL)
3817
		return $parents;
3818

    
3819
	// If we got a real interface, find it's friendly assigned name
3820
	$interface = convert_real_interface_to_friendly_interface_name($interface);
3821

    
3822
	if (!empty($interface) && isset($config['interfaces'][$interface])) {
3823
		$ifcfg = $config['interfaces'][$interface];
3824
		switch ($ifcfg['ipaddr']) {
3825
			case "ppp":
3826
			case "pppoe":
3827
			case "pptp":
3828
			case "l2tp":
3829
				if (empty($parents))
3830
					if (is_array($config['ppps']['ppp']))
3831
						foreach ($config['ppps']['ppp'] as $pppidx => $ppp) {
3832
							if ($ifcfg['if'] == $ppp['if']) {
3833
								$ports = explode(',', $ppp['ports']);
3834
								foreach ($ports as $pid => $parent_if)
3835
									$parents[$pid] = get_real_interface($parent_if);
3836
								break;
3837
							}
3838
						}
3839
				break;
3840
			case "dhcp":
3841
			case "static":
3842
			default:
3843
				// Handle _vlans
3844
				if (stristr($realif,"_vlan"))
3845
					if (is_array($config['vlans']['vlan']))
3846
						foreach ($config['vlans']['vlan'] as $vlanidx => $vlan)
3847
							if ($ifcfg['if'] == $vlan['vlanif']){
3848
								$parents[0] = $vlan['if'];
3849
								break;
3850
							}
3851
				break;
3852
		}
3853
	}
3854

    
3855
	if (empty($parents))
3856
		$parents[0] = $realif;
3857

    
3858
	return $parents;
3859
}
3860

    
3861
function interface_is_wireless_clone($wlif) {
3862
	if(!stristr($wlif, "_wlan")) {
3863
		return false;
3864
	} else {
3865
		return true;
3866
	}
3867
}
3868

    
3869
function interface_get_wireless_base($wlif) {
3870
	if(!stristr($wlif, "_wlan")) {
3871
		return $wlif;
3872
	} else {
3873
		return substr($wlif, 0, stripos($wlif, "_wlan"));
3874
	}
3875
}
3876

    
3877
function interface_get_wireless_clone($wlif) {
3878
	if(!stristr($wlif, "_wlan")) {
3879
		return $wlif . "_wlan0";
3880
	} else {
3881
		return $wlif;
3882
	}
3883
}
3884

    
3885
function get_real_interface($interface = "wan", $family = "all") {
3886
	global $config, $g;
3887

    
3888
	$wanif = NULL;
3889

    
3890
	switch ($interface) {
3891
	case "l2tp":
3892
		$wanif = "l2tp";
3893
		break;
3894
	case "pptp":
3895
		$wanif = "pptp";
3896
		break;
3897
	case "pppoe":
3898
		$wanif = "pppoe";
3899
		break;
3900
	case "openvpn":
3901
		$wanif = "openvpn";
3902
		break;
3903
	case "ipsec":
3904
	case "enc0":
3905
		$wanif = "enc0";
3906
		break;
3907
	case "ppp":
3908
		$wanif = "ppp";
3909
		break;
3910
	default:
3911
		// If a real interface was alread passed simply
3912
		// pass the real interface back.  This encourages
3913
		// the usage of this function in more cases so that
3914
		// we can combine logic for more flexibility.
3915
		if(does_interface_exist($interface)) {
3916
			$wanif = $interface;
3917
			break;
3918
		}
3919

    
3920
		if (empty($config['interfaces'][$interface]))
3921
			break;
3922

    
3923
		$cfg = &$config['interfaces'][$interface];
3924

    
3925
		if ($family == "inet6") {
3926
			switch ($cfg['ipaddrv6']) {
3927
			case "6rd":
3928
			case "6to4":
3929
				$wanif = "{$interface}_stf";
3930
				break;
3931
			default:
3932
				if( is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if']))
3933
					$wanif = interface_get_wireless_clone($cfg['if']);
3934
				else
3935
					$wanif = $cfg['if'];
3936
				break;
3937
			}
3938
		} else {
3939
			// Wireless cloned NIC support (FreeBSD 8+)
3940
			// interface name format: $parentnic_wlanparentnic#
3941
			// example: ath0_wlan0
3942
			if( is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if']))
3943
				$wanif = interface_get_wireless_clone($cfg['if']);
3944
			else
3945
				$wanif = $cfg['if'];
3946
		}
3947
		break;
3948
	}
3949

    
3950
	return $wanif;
3951
}
3952

    
3953
/* Guess the physical interface by providing a IP address */
3954
function guess_interface_from_ip($ipaddress) {
3955
	if(! is_ipaddr($ipaddress)) {
3956
		return false;
3957
	}
3958
	if(is_ipaddrv4($ipaddress)) {
3959
		/* create a route table we can search */
3960
		exec("netstat -rnWf inet", $output, $ret);
3961
		foreach($output as $line) {
3962
			if(preg_match("/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\/[0-9]+[ ]+link[#]/", $line)) {
3963
				$fields = preg_split("/[ ]+/", $line);
3964
				if(ip_in_subnet($ipaddress, $fields[0])) {
3965
					return $fields[6];
3966
				}
3967
			}
3968
		}
3969
	}
3970
	/* FIXME: This works from cursory testing, regexp might need fine tuning */
3971
	if(is_ipaddrv6($ipaddress)) {
3972
		/* create a route table we can search */
3973
		exec("netstat -rnWf inet6", $output, $ret);
3974
		foreach($output as $line) {
3975
			if(preg_match("/[0-9a-f]+[:]+[0-9a-f]+[:]+[\/][0-9]+/", $line)) {
3976
				$fields = preg_split("/[ ]+/", $line);
3977
				if(ip_in_subnet($ipaddress, $fields[0])) {
3978
					return $fields[6];
3979
				}
3980
			}
3981
		}
3982
	}
3983
	$ret = exec_command("/sbin/route -n get {$ipaddress} | /usr/bin/awk '/interface/ { print \$2; };'");
3984
	if(empty($ret)) {
3985
		return false;
3986
	}
3987
	return $ret;
3988
}
3989

    
3990
/*
3991
 * find_ip_interface($ip): return the interface where an ip is defined
3992
 *   (or if $bits is specified, where an IP within the subnet is defined)
3993
 */
3994
function find_ip_interface($ip, $bits = null) {
3995
	if (!is_ipaddr($ip))
3996
		return false;
3997

    
3998
	$isv6ip = is_ipaddrv6($ip);
3999

    
4000
	/* if list */
4001
	$ifdescrs = get_configured_interface_list();
4002

    
4003
	foreach ($ifdescrs as $ifdescr => $ifname) {
4004
		$ifip = ($isv6ip) ? get_interface_ipv6($ifname) : get_interface_ip($ifname);
4005
		if (is_null($ifip))
4006
			continue;
4007
		if (is_null($bits)) {
4008
			if ($ip == $ifip) {
4009
				$int = get_real_interface($ifname);
4010
				return $int;
4011
			}
4012
		}
4013
		else {
4014
			if (ip_in_subnet($ifip, $ip . "/" . $bits)) {
4015
				$int = get_real_interface($ifname);
4016
				return $int;
4017
			}
4018
		}
4019
	}
4020

    
4021
	return false;
4022
}
4023

    
4024
/*
4025
 * find_virtual_ip_alias($ip): return the virtual IP alias where an IP is found
4026
 *   (or if $bits is specified, where an IP within the subnet is found)
4027
 */
4028
function find_virtual_ip_alias($ip, $bits = null) {
4029
	global $config;
4030

    
4031
	if (!is_array($config['virtualip']['vip'])) {
4032
		return false;
4033
	}
4034
	if (!is_ipaddr($ip))
4035
		return false;
4036

    
4037
	$isv6ip = is_ipaddrv6($ip);
4038

    
4039
	foreach ($config['virtualip']['vip'] as $vip) {
4040
		if ($vip['mode'] === "ipalias") {
4041
			if (is_ipaddrv6($vip['subnet']) != $isv6ip)
4042
				continue;
4043
			if (is_null($bits)) {
4044
				if (ip_in_subnet($ip, $vip['subnet'] . "/" . $vip['subnet_bits'])) {
4045
					return $vip;
4046
				}
4047
			}
4048
			else {
4049
				if (($isv6ip && check_subnetsv6_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))
4050
					|| (!$isv6ip && check_subnets_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))) {
4051
					return $vip;
4052
				}
4053
			}
4054
		}
4055
	}
4056
	return false;
4057
}
4058

    
4059
/*
4060
 *   find_number_of_created_carp_interfaces: return the number of carp interfaces
4061
 */
4062
function find_number_of_created_carp_interfaces() {
4063
	return `/sbin/ifconfig | grep "carp:" | wc -l`;
4064
}
4065

    
4066
function get_all_carp_interfaces() {
4067
	$ints = str_replace("\n", " ", `ifconfig | grep "carp:" -B2 | grep ": flag" | cut -d: -f1`);
4068
	$ints = explode(" ", $ints);
4069
	return $ints;
4070
}
4071

    
4072
/*
4073
 * find_carp_interface($ip): return the carp interface where an ip is defined
4074
 */
4075
function find_carp_interface($ip) {
4076
	global $config;
4077
	if (is_array($config['virtualip']['vip'])) {
4078
		foreach ($config['virtualip']['vip'] as $vip) {
4079
			if ($vip['mode'] == "carp") {
4080
				if(is_ipaddrv4($ip)) {
4081
					$carp_ip = get_interface_ip($vip['interface']);
4082
				}
4083
				if(is_ipaddrv6($ip)) {
4084
					$carp_ip = get_interface_ipv6($vip['interface']);
4085
				}
4086
				exec("/sbin/ifconfig", $output, $return);
4087
				foreach($output as $line) {
4088
					$elements = preg_split("/[ ]+/i", $line);
4089
					if(strstr($elements[0], "vip"))
4090
						$curif = str_replace(":", "", $elements[0]);
4091
					if(stristr($line, $ip)) {
4092
						$if = $curif;
4093
						continue;
4094
					}
4095
				}
4096

    
4097
				if ($if)
4098
					return $if;
4099
			}
4100
		}
4101
	}
4102
}
4103

    
4104
function link_carp_interface_to_parent($interface) {
4105
	global $config;
4106

    
4107
	if ($interface == "")
4108
		return;
4109

    
4110
	$carp_ip = get_interface_ip($interface);
4111
	$carp_ipv6 = get_interface_ipv6($interface);
4112

    
4113
	if((!is_ipaddrv4($carp_ip)) && (!is_ipaddrv6($carp_ipv6)))
4114
		return;
4115

    
4116
	/* if list */
4117
	$ifdescrs = get_configured_interface_list();
4118
	foreach ($ifdescrs as $ifdescr => $ifname) {
4119
		/* check IPv4 */
4120
		if(is_ipaddrv4($carp_ip)) {
4121
			$interfaceip = get_interface_ip($ifname);
4122
			$subnet_bits = get_interface_subnet($ifname);
4123
			$subnet_ip = gen_subnet("{$interfaceip}", "{$subnet_bits}");
4124
			if(ip_in_subnet($carp_ip, "{$subnet_ip}/{$subnet_bits}"))
4125
				return $ifname;
4126
		}
4127
		/* Check IPv6 */
4128
		if(is_ipaddrv6($carp_ipv6)) {
4129
			$interfaceipv6 = get_interface_ipv6($ifname);
4130
			$prefixlen = get_interface_subnetv6($ifname);
4131
			if(ip_in_subnet($carp_ipv6, "{$interfaceipv6}/{$prefixlen}"))
4132
				return $ifname;
4133
		}
4134
	}
4135
	return "";
4136
}
4137

    
4138

    
4139
/****f* interfaces/link_ip_to_carp_interface
4140
 * NAME
4141
 *   link_ip_to_carp_interface - Find where a CARP interface links to.
4142
 * INPUTS
4143
 *   $ip
4144
 * RESULT
4145
 *   $carp_ints
4146
 ******/
4147
function link_ip_to_carp_interface($ip) {
4148
	global $config;
4149

    
4150
	if (!is_ipaddr($ip))
4151
		return;
4152

    
4153
	$carp_ints = "";
4154
	if (is_array($config['virtualip']['vip'])) {
4155
		$first = 0;
4156
		$carp_int = array();
4157
		foreach ($config['virtualip']['vip'] as $vip) {
4158
			if ($vip['mode'] == "carp") {
4159
				$carp_ip = $vip['subnet'];
4160
				$carp_sn = $vip['subnet_bits'];
4161
				$carp_nw = gen_subnet($carp_ip, $carp_sn);
4162
				if (ip_in_subnet($ip, "{$carp_nw}/{$carp_sn}")) {
4163
					$carp_int[] = "{$vip['interface']}_vip{$vip['vhid']}";
4164
				}
4165
			}
4166
		}
4167
		if (!empty($carp_int))
4168
			$carp_ints = implode(" ", array_unique($carp_int));
4169
	}
4170

    
4171
	return $carp_ints;
4172
}
4173

    
4174
function link_interface_to_track6($int, $action = "") {
4175
	global $config;
4176

    
4177
	if (empty($int))
4178
		return;
4179

    
4180
	if (is_array($config['interfaces'])) {
4181
		$list = array();
4182
		foreach ($config['interfaces'] as $ifname => $ifcfg) {
4183
			if (!isset($ifcfg['enable']))
4184
				continue;
4185
			if (!empty($ifcfg['ipaddrv6']) && $ifcfg['track6-interface'] == $int) {
4186
				if ($action == "update")
4187
					interface_track6_configure($ifname, $ifcfg);
4188
				else if ($action == "")
4189
					$list[$ifname] = $ifcfg;
4190
			}
4191
		}
4192
		return $list;
4193
	}
4194
}
4195

    
4196
function link_interface_to_vlans($int, $action = "") {
4197
	global $config;
4198

    
4199
	if (empty($int))
4200
		return;
4201

    
4202
	if (is_array($config['vlans']['vlan'])) {
4203
		$ifaces = array();
4204
		foreach ($config['vlans']['vlan'] as $vlan) {
4205
			if ($int == $vlan['if']) {
4206
				if ($action == "update") {
4207
					interfaces_bring_up($int);
4208
				} else if ($action == "")
4209
					$ifaces[$vlan['tag']] = $vlan;
4210
			}
4211
		}
4212
		if (!empty($ifaces))
4213
			return $ifaces;
4214
	}
4215
}
4216

    
4217
function link_interface_to_vips($int, $action = "") {
4218
	global $config;
4219

    
4220
	if (is_array($config['virtualip']['vip'])) {
4221
		$result = array();
4222
		foreach ($config['virtualip']['vip'] as $vip) {
4223
			if ($int == $vip['interface']) {
4224
				if ($action == "update")
4225
					interfaces_vips_configure($int);
4226
				else
4227
					$result[] = $vip;
4228
			}
4229
		}
4230
		return $result;
4231
	}
4232
}
4233

    
4234
/****f* interfaces/link_interface_to_bridge
4235
 * NAME
4236
 *   link_interface_to_bridge - Finds out a bridge group for an interface
4237
 * INPUTS
4238
 *   $ip
4239
 * RESULT
4240
 *   bridge[0-99]
4241
 ******/
4242
function link_interface_to_bridge($int) {
4243
	global $config;
4244

    
4245
	if (is_array($config['bridges']['bridged'])) {
4246
		foreach ($config['bridges']['bridged'] as $bridge) {
4247
			if (in_array($int, explode(',', $bridge['members'])))
4248
				return "{$bridge['bridgeif']}";
4249
		}
4250
	}
4251
}
4252

    
4253
function link_interface_to_group($int) {
4254
	global $config;
4255

    
4256
	$result = array();
4257

    
4258
	if (is_array($config['ifgroups']['ifgroupentry'])) {
4259
		foreach ($config['ifgroups']['ifgroupentry'] as $group) {
4260
			if (in_array($int, explode(" ", $group['members'])))
4261
				$result[$group['ifname']] = $int;
4262
		}
4263
	}
4264

    
4265
	return $result;
4266
}
4267

    
4268
function link_interface_to_gre($interface) {
4269
	global $config;
4270

    
4271
	$result = array();
4272

    
4273
	if (is_array($config['gres']['gre'])) {
4274
		foreach ($config['gres']['gre'] as $gre)
4275
			if($gre['if'] == $interface)
4276
				$result[] = $gre;
4277
	}
4278

    
4279
	return $result;
4280
}
4281

    
4282
function link_interface_to_gif($interface) {
4283
	global $config;
4284

    
4285
	$result = array();
4286

    
4287
	if (is_array($config['gifs']['gif'])) {
4288
		foreach ($config['gifs']['gif'] as $gif)
4289
			if($gif['if'] == $interface)
4290
				$result[] = $gif;
4291
	}
4292

    
4293
	return $result;
4294
}
4295

    
4296
/*
4297
 * find_interface_ip($interface): return the interface ip (first found)
4298
 */
4299
function find_interface_ip($interface, $flush = false) {
4300
	global $interface_ip_arr_cache;
4301
	global $interface_sn_arr_cache;
4302

    
4303
	$interface = str_replace("\n", "", $interface);
4304

    
4305
	if (!does_interface_exist($interface))
4306
		return;
4307

    
4308
	/* Setup IP cache */
4309
	if (!isset($interface_ip_arr_cache[$interface]) or $flush) {
4310
		$ifinfo = pfSense_get_interface_addresses($interface);
4311
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4312
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4313
	}
4314

    
4315
	return $interface_ip_arr_cache[$interface];
4316
}
4317

    
4318
/*
4319
 * find_interface_ipv6($interface): return the interface ip (first found)
4320
 */
4321
function find_interface_ipv6($interface, $flush = false) {
4322
	global $interface_ipv6_arr_cache;
4323
	global $interface_snv6_arr_cache;
4324
	global $config;
4325

    
4326
	$interface = trim($interface);
4327
	$interface = get_real_interface($interface);
4328

    
4329
	if (!does_interface_exist($interface))
4330
		return;
4331

    
4332
	/* Setup IP cache */
4333
	if (!isset($interface_ipv6_arr_cache[$interface]) or $flush) {
4334
		// FIXME: Add IPv6 support to the pfSense module
4335
		$ifinfo = array();
4336
		exec("/sbin/ifconfig {$interface} inet6", $output);
4337
		foreach($output as $line) {
4338
			if(preg_match("/inet6/", $line)) {
4339
				$parts = explode(" ", $line);
4340
				if(! preg_match("/fe80:/i", $parts[1])) {
4341
					$ifinfo['ipaddrv6'] = $parts[1];
4342
					if($parts[2] == "-->") {
4343
						$parts[5] = "126";
4344
						$ifinfo['subnetbitsv6'] = $parts[5];
4345
					} else {
4346
						$ifinfo['subnetbitsv6'] = $parts[3];
4347
					}
4348
					break;
4349
				}
4350
			}
4351
		}
4352
		$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4353
		$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4354
	}
4355

    
4356
	return $interface_ipv6_arr_cache[$interface];
4357
}
4358

    
4359
/*
4360
 * find_interface_ipv6_ll($interface): return the interface ipv6 link local (first found)
4361
 */
4362
function find_interface_ipv6_ll($interface, $flush = false) {
4363
	global $interface_llv6_arr_cache;
4364
	global $config;
4365

    
4366
	$interface = str_replace("\n", "", $interface);
4367

    
4368
	if (!does_interface_exist($interface))
4369
		return;
4370

    
4371
	/* Setup IP cache */
4372
	if (!isset($interface_llv6_arr_cache[$interface]) or $flush) {
4373
		$ifinfo = pfSense_get_interface_addresses($interface);
4374
		// FIXME: Add IPv6 support to the pfSense module
4375
		exec("/sbin/ifconfig {$interface} inet6", $output);
4376
		foreach($output as $line) {
4377
			if(preg_match("/inet6/", $line)) {
4378
				$parts = explode(" ", $line);
4379
				if(preg_match("/fe80:/i", $parts[1])) {
4380
					$partsaddress = explode("%", $parts[1]);
4381
					$ifinfo['linklocal'] = $partsaddress[0];
4382
				}
4383
			}
4384
		}
4385
		$interface_llv6_arr_cache[$interface] = $ifinfo['linklocal'];
4386
	}
4387
	return $interface_llv6_arr_cache[$interface];
4388
}
4389

    
4390
function find_interface_subnet($interface, $flush = false) {
4391
	global $interface_sn_arr_cache;
4392
	global $interface_ip_arr_cache;
4393

    
4394
	$interface = str_replace("\n", "", $interface);
4395
	if (does_interface_exist($interface) == false)
4396
		return;
4397

    
4398
	if (!isset($interface_sn_arr_cache[$interface]) or $flush) {
4399
		$ifinfo = pfSense_get_interface_addresses($interface);
4400
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4401
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4402
	}
4403

    
4404
	return $interface_sn_arr_cache[$interface];
4405
}
4406

    
4407
function find_interface_subnetv6($interface, $flush = false) {
4408
	global $interface_snv6_arr_cache;
4409
	global $interface_ipv6_arr_cache;
4410

    
4411
	$interface = str_replace("\n", "", $interface);
4412
	if (does_interface_exist($interface) == false)
4413
		return;
4414

    
4415
	$foundv6 = false;
4416
	if (!isset($interface_snv6_arr_cache[$interface]) or $flush) {
4417
		$ifinfo = array();
4418
		// FIXME: Add IPv6 support to the pfSense module
4419
		unset($output);
4420
		exec("/sbin/ifconfig {$interface} inet6", $output);
4421
		foreach($output as $line) {
4422
			$line = trim($line);
4423
			if(preg_match("/inet6/", $line)) {
4424
				$parts = explode(" ", $line);
4425
				if(! preg_match("/fe80:/i", $parts[1])) {
4426
					$ifinfo['ipaddrv6'] = $parts[1];
4427
					if($parts[2] == "-->") {
4428
						$parts[5] = "126";
4429
						$ifinfo['subnetbitsv6'] = $parts[5];
4430
					} else {
4431
						$ifinfo['subnetbitsv6'] = $parts[3];
4432
					}
4433
					$foundv6 = true;
4434
					break;
4435
				}
4436
			}
4437
		}
4438
		if ($foundv6 === true) {
4439
			$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4440
			$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4441
		} else
4442
			unset($interface_ipv6_arr_cache[$interface], $interface_snv6_arr_cache[$interface]);
4443
	}
4444

    
4445
	return $interface_snv6_arr_cache[$interface];
4446
}
4447

    
4448
function ip_in_interface_alias_subnet($interface, $ipalias) {
4449
	global $config;
4450

    
4451
	if (empty($interface) || !is_ipaddr($ipalias))
4452
		return false;
4453
	if (is_array($config['virtualip']['vip'])) {
4454
		foreach ($config['virtualip']['vip'] as $vip) {
4455
			switch ($vip['mode']) {
4456
			case "ipalias":
4457
				if ($vip['interface'] <> $interface)
4458
					break;
4459
				if (ip_in_subnet($ipalias, gen_subnet($vip['subnet'], $vip['subnet_bits']) . "/" . $vip['subnet_bits']))
4460
					return true;
4461
				break;
4462
			}
4463
		}
4464
	}
4465

    
4466
	return false;
4467
}
4468

    
4469
function get_interface_ip($interface = "wan") {
4470
	$realif = get_failover_interface($interface);
4471
	if (!$realif) {
4472
		if (preg_match("/^carp/i", $interface))
4473
			$realif = $interface;
4474
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4475
			$realif = $interface;
4476
		else
4477
			return null;
4478
	}
4479

    
4480
	$curip = find_interface_ip($realif);
4481
	if ($curip && is_ipaddr($curip) && ($curip != "0.0.0.0"))
4482
		return $curip;
4483
	else
4484
		return null;
4485
}
4486

    
4487
function get_interface_ipv6($interface = "wan", $flush = false) {
4488
	global $config;
4489

    
4490
	$realif = get_failover_interface($interface, "inet6");
4491
	if (!$realif) {
4492
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4493
			$realif = $interface;
4494
		else
4495
			return null;
4496
	}
4497

    
4498
	$curip = find_interface_ipv6($realif, $flush);
4499
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4500
		return $curip;
4501
	else
4502
		return null;
4503
}
4504

    
4505
function get_interface_linklocal($interface = "wan") {
4506
	$realif = get_failover_interface($interface);
4507
	if (!$realif) {
4508
		if (preg_match("/^carp/i", $interface))
4509
			$realif = $interface;
4510
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4511
			$realif = $interface;
4512
		else
4513
			return null;
4514
	}
4515

    
4516
	$curip = find_interface_ipv6_ll($realif);
4517
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4518
		return $curip;
4519
	else
4520
		return null;
4521
}
4522

    
4523
function get_interface_subnet($interface = "wan") {
4524
	$realif = get_real_interface($interface);
4525
	if (!$realif) {
4526
		if (preg_match("/^carp/i", $interface))
4527
			$realif = $interface;
4528
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4529
			$realif = $interface;
4530
		else
4531
			return null;
4532
	}
4533

    
4534
	$cursn = find_interface_subnet($realif);
4535
	if (!empty($cursn))
4536
		return $cursn;
4537

    
4538
	return null;
4539
}
4540

    
4541
function get_interface_subnetv6($interface = "wan") {
4542
	global $config;
4543

    
4544
	$realif = get_real_interface($interface, "inet6");
4545
	if (!$realif) {
4546
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4547
			$realif = $interface;
4548
		else
4549
			return null;
4550
	}
4551

    
4552
	$cursn = find_interface_subnetv6($realif);
4553
	if (!empty($cursn))
4554
		return $cursn;
4555

    
4556
	return null;
4557
}
4558

    
4559
/* return outside interfaces with a gateway */
4560
function get_interfaces_with_gateway() {
4561
	global $config;
4562

    
4563
	$ints = array();
4564

    
4565
	/* loop interfaces, check config for outbound */
4566
	foreach($config['interfaces'] as $ifdescr => $ifname) {
4567
		switch ($ifname['ipaddr']) {
4568
			case "dhcp":
4569
			case "ppp";
4570
			case "pppoe":
4571
			case "pptp":
4572
			case "l2tp":
4573
			case "ppp";
4574
				$ints[$ifdescr] = $ifdescr;
4575
			break;
4576
			default:
4577
				if (substr($ifname['if'], 0, 4) ==  "ovpn" ||
4578
				    !empty($ifname['gateway']))
4579
					$ints[$ifdescr] = $ifdescr;
4580
			break;
4581
		}
4582
	}
4583
	return $ints;
4584
}
4585

    
4586
/* return true if interface has a gateway */
4587
function interface_has_gateway($friendly) {
4588
	global $config;
4589

    
4590
	if (!empty($config['interfaces'][$friendly])) {
4591
		$ifname = &$config['interfaces'][$friendly];
4592
		switch ($ifname['ipaddr']) {
4593
			case "dhcp":
4594
			case "pppoe":
4595
			case "pptp":
4596
			case "l2tp":
4597
			case "ppp";
4598
				return true;
4599
			break;
4600
			default:
4601
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4602
					return true;
4603
				if (!empty($ifname['gateway']))
4604
					return true;
4605
			break;
4606
		}
4607
	}
4608

    
4609
	return false;
4610
}
4611

    
4612
/* return true if interface has a gateway */
4613
function interface_has_gatewayv6($friendly) {
4614
	global $config;
4615

    
4616
	if (!empty($config['interfaces'][$friendly])) {
4617
		$ifname = &$config['interfaces'][$friendly];
4618
		switch ($ifname['ipaddrv6']) {
4619
			case "slaac":
4620
			case "dhcp6":
4621
			case "6to4":
4622
			case "6rd":
4623
				return true;
4624
				break;
4625
			default:
4626
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4627
					return true;
4628
				if (!empty($ifname['gatewayv6']))
4629
					return true;
4630
				break;
4631
		}
4632
	}
4633

    
4634
	return false;
4635
}
4636

    
4637
/****f* interfaces/is_altq_capable
4638
 * NAME
4639
 *   is_altq_capable - Test if interface is capable of using ALTQ
4640
 * INPUTS
4641
 *   $int            - string containing interface name
4642
 * RESULT
4643
 *   boolean         - true or false
4644
 ******/
4645

    
4646
function is_altq_capable($int) {
4647
	/* Per:
4648
	 * http://www.freebsd.org/cgi/man.cgi?query=altq&manpath=FreeBSD+7.2-current&format=html
4649
	 * Only the following drivers have ALTQ support
4650
	 */
4651
	$capable = array("age", "alc", "ale", "an", "ath", "aue", "awi", "bce",
4652
			"bfe", "bge", "bridge", "cas", "dc", "de", "ed", "em", "ep", "fxp", "gem",
4653
			"hme", "igb", "ipw", "iwi", "jme", "le", "lem", "msk", "mxge", "my", "nfe",
4654
			"npe", "nve", "ral", "re", "rl", "rum", "run", "bwn", "sf", "sis", "sk",
4655
			"ste", "stge", "txp", "udav", "ural", "vge", "vr", "wi", "xl",
4656
			"ndis", "tun", "ovpns", "ovpnc", "vlan", "pppoe", "pptp", "ng",
4657
			"l2tp", "ppp", "vtnet");
4658

    
4659
	$int_family = remove_ifindex($int);
4660

    
4661
	if (in_array($int_family, $capable))
4662
		return true;
4663
	else if (stristr($int, "l2tp")) /* VLANs are name $parent_$vlan now */
4664
		return true;
4665
	else if (stristr($int, "_vlan")) /* VLANs are name $parent_$vlan now */
4666
		return true;
4667
	else if (stristr($int, "_wlan")) /* WLANs are name $parent_$wlan now */
4668
		return true;
4669
	else
4670
		return false;
4671
}
4672

    
4673
/****f* interfaces/is_interface_wireless
4674
 * NAME
4675
 *   is_interface_wireless - Returns if an interface is wireless
4676
 * RESULT
4677
 *   $tmp       - Returns if an interface is wireless
4678
 ******/
4679
function is_interface_wireless($interface) {
4680
	global $config, $g;
4681

    
4682
	$friendly = convert_real_interface_to_friendly_interface_name($interface);
4683
	if(!isset($config['interfaces'][$friendly]['wireless'])) {
4684
		if (preg_match($g['wireless_regex'], $interface)) {
4685
			if (isset($config['interfaces'][$friendly]))
4686
				$config['interfaces'][$friendly]['wireless'] = array();
4687
			return true;
4688
		}
4689
		return false;
4690
	} else
4691
		return true;
4692
}
4693

    
4694
function get_wireless_modes($interface) {
4695
	/* return wireless modes and channels */
4696
	$wireless_modes = array();
4697

    
4698
	$cloned_interface = get_real_interface($interface);
4699

    
4700
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4701
		$chan_list = "/sbin/ifconfig {$cloned_interface} list chan";
4702
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4703
		$format_list = "/usr/bin/awk '{print \$5 \" \" \$6 \",\" \$1}'";
4704

    
4705
		$interface_channels = "";
4706
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4707
		$interface_channel_count = count($interface_channels);
4708

    
4709
		$c = 0;
4710
		while ($c < $interface_channel_count) {
4711
			$channel_line = explode(",", $interface_channels["$c"]);
4712
			$wireless_mode = trim($channel_line[0]);
4713
			$wireless_channel = trim($channel_line[1]);
4714
			if(trim($wireless_mode) != "") {
4715
				/* if we only have 11g also set 11b channels */
4716
				if($wireless_mode == "11g") {
4717
					if(!isset($wireless_modes["11b"]))
4718
						$wireless_modes["11b"] = array();
4719
				} else if($wireless_mode == "11g ht") {
4720
					if(!isset($wireless_modes["11b"]))
4721
						$wireless_modes["11b"] = array();
4722
					if(!isset($wireless_modes["11g"]))
4723
						$wireless_modes["11g"] = array();
4724
					$wireless_mode = "11ng";
4725
				} else if($wireless_mode == "11a ht") {
4726
					if(!isset($wireless_modes["11a"]))
4727
						$wireless_modes["11a"] = array();
4728
					$wireless_mode = "11na";
4729
				}
4730
				$wireless_modes["$wireless_mode"]["$c"] = $wireless_channel;
4731
			}
4732
			$c++;
4733
		}
4734
	}
4735
	return($wireless_modes);
4736
}
4737

    
4738
/* return channel numbers, frequency, max txpower, and max regulation txpower */
4739
function get_wireless_channel_info($interface) {
4740
	$wireless_channels = array();
4741

    
4742
	$cloned_interface = get_real_interface($interface);
4743

    
4744
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4745
		$chan_list = "/sbin/ifconfig {$cloned_interface} list txpower";
4746
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4747
		$format_list = "/usr/bin/awk '{print \$1 \",\" \$3 \" \" \$4 \",\" \$5 \",\" \$7}'";
4748

    
4749
		$interface_channels = "";
4750
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4751

    
4752
		foreach ($interface_channels as $channel_line) {
4753
			$channel_line = explode(",", $channel_line);
4754
			if(!isset($wireless_channels[$channel_line[0]]))
4755
				$wireless_channels[$channel_line[0]] = $channel_line;
4756
		}
4757
	}
4758
	return($wireless_channels);
4759
}
4760

    
4761
/****f* interfaces/get_interface_mtu
4762
 * NAME
4763
 *   get_interface_mtu - Return the mtu of an interface
4764
 * RESULT
4765
 *   $tmp       - Returns the mtu of an interface
4766
 ******/
4767
function get_interface_mtu($interface) {
4768
	$mtu = pfSense_get_interface_addresses($interface);
4769
	return $mtu['mtu'];
4770
}
4771

    
4772
function get_interface_mac($interface) {
4773

    
4774
	$macinfo = pfSense_get_interface_addresses($interface);
4775
	return $macinfo["macaddr"];
4776
}
4777

    
4778
/****f* pfsense-utils/generate_random_mac_address
4779
 * NAME
4780
 *   generate_random_mac - generates a random mac address
4781
 * INPUTS
4782
 *   none
4783
 * RESULT
4784
 *   $mac - a random mac address
4785
 ******/
4786
function generate_random_mac_address() {
4787
	$mac = "02";
4788
	for($x=0; $x<5; $x++)
4789
		$mac .= ":" . dechex(rand(16, 255));
4790
	return $mac;
4791
}
4792

    
4793
/****f* interfaces/is_jumbo_capable
4794
 * NAME
4795
 *   is_jumbo_capable - Test if interface is jumbo frame capable.  Useful for determining VLAN capability.
4796
 * INPUTS
4797
 *   $int             - string containing interface name
4798
 * RESULT
4799
 *   boolean          - true or false
4800
 ******/
4801
function is_jumbo_capable($iface) {
4802
	$iface = trim($iface);
4803
	$capable = pfSense_get_interface_addresses($iface);
4804

    
4805
	if (isset($capable['caps']['vlanmtu']))
4806
		return true;
4807

    
4808
	return false;
4809
}
4810

    
4811
function interface_setup_pppoe_reset_file($pppif, $iface="") {
4812
	global $g;
4813

    
4814
	$cron_file = "{$g['varetc_path']}/pppoe_restart_{$pppif}";
4815

    
4816
	if(!empty($iface) && !empty($pppif)){
4817
		$cron_cmd = <<<EOD
4818
#!/bin/sh
4819
/usr/local/sbin/pfSctl -c 'interface reload {$iface}'
4820
/usr/bin/logger -t {$pppif} "PPPoE periodic reset executed on {$iface}"
4821

    
4822
EOD;
4823

    
4824
		@file_put_contents($cron_file, $cron_cmd);
4825
		chmod($cron_file, 0755);
4826
		sigkillbypid("{$g['varrun_path']}/cron.pid", "HUP");
4827
	} else
4828
		unlink_if_exists($cron_file);
4829
}
4830

    
4831
function get_interface_default_mtu($type = "ethernet") {
4832
	switch ($type) {
4833
	case "gre":
4834
		return 1476;
4835
		break;
4836
	case "gif":
4837
		return 1280;
4838
		break;
4839
	case "tun":
4840
	case "vlan":
4841
	case "tap":
4842
	case "ethernet":
4843
	default:
4844
		return 1500;
4845
		break;
4846
	}
4847

    
4848
	/* Never reached */
4849
	return 1500;
4850
}
4851

    
4852
function get_vip_descr($ipaddress) {
4853
	global $config;
4854

    
4855
	foreach ($config['virtualip']['vip'] as $vip) {
4856
		if ($vip['subnet'] == $ipaddress) {
4857
			return ($vip['descr']);
4858
		}
4859
	}
4860
	return "";
4861
}
4862

    
4863
function interfaces_staticarp_configure($if) {
4864
	global $config, $g;
4865
	if(isset($config['system']['developerspew'])) {
4866
		$mt = microtime();
4867
		echo "interfaces_staticarp_configure($if) being called $mt\n";
4868
	}
4869

    
4870
	$ifcfg = $config['interfaces'][$if];
4871

    
4872
	if (empty($if) || empty($ifcfg['if']) || !isset($ifcfg['enable']))
4873
		return 0;
4874

    
4875
	/* Enable staticarp, if enabled */
4876
	if(isset($config['dhcpd'][$if]['staticarp'])) {
4877
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " staticarp " );
4878
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4879
		if (is_array($config['dhcpd'][$if]['staticmap'])) {
4880

    
4881
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4882
				mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4883

    
4884
			}
4885

    
4886
		}
4887
	} else {
4888
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " -staticarp " );
4889
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4890
		if (is_array($config['dhcpd'][$if]) && is_array($config['dhcpd'][$if]['staticmap'])) {
4891
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4892
				if (isset($arpent['arp_table_static_entry'])) {
4893
					mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4894
				}
4895
			}
4896
		}
4897
	}
4898

    
4899
	return 0;
4900
}
4901

    
4902
function get_failover_interface($interface, $family = "all") {
4903
	global $config;
4904
	/* shortcut to get_real_interface if we find it in the config */
4905
	if(is_array($config['interfaces'][$interface])) {
4906
		$wanif = get_real_interface($interface, $family);
4907
		return $wanif;
4908
	}
4909

    
4910
	/* compare against gateway groups */
4911
	$a_groups = return_gateway_groups_array();
4912
	if(is_array($a_groups[$interface])) {
4913
		/* we found a gateway group, fetch the interface or vip */
4914
		if($a_groups[$interface][0]['vip'] <> "")
4915
			$wanif = $a_groups[$interface][0]['vip'];
4916
		else
4917
			$wanif = $a_groups[$interface][0]['int'];
4918

    
4919
		return $wanif;
4920
	}
4921
	/* fall through to get_real_interface */
4922
	$wanif = get_real_interface($interface, $family);
4923
	return $wanif;
4924
}
4925

    
4926
function remove_ifindex($ifname) {
4927
	return preg_replace("/[0-9]+$/", "", $ifname);
4928
}
4929

    
4930
?>
(25-25/66)