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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($pid)
1176
			mwexec("/bin/kill {$pid}");
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 ($interface)
2695
		if (isvalidpid("{$g['varrun_path']}/dhcp6c_{$interface}.pid"))
2696
			$pid = trim(file_get_contents("{$g['varrun_path']}/dhcp6c_{$interface}.pid"), " \n");
2697
	else
2698
		return(false);
2699

    
2700
	return intval($pid);
2701
}
2702

    
2703
function interface_vlan_mtu_configured($realhwif, $mtu) {
2704
	global $config;
2705

    
2706
	if (is_array($config['vlans']['vlan'])) {
2707
		foreach ($config['vlans']['vlan'] as $vlan) {
2708
			if ($vlan['if'] != $realhwif)
2709
				continue;
2710
			$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2711
			if (!empty($assignedport)) {
2712
				$portmtu = $config['interfaces'][$assignedport]['mtu'];
2713
				if (!empty($portmtu) && $portmtu > $mtu)
2714
					$mtu = $portmtu;
2715
			}
2716
		}
2717
	}
2718

    
2719
	return $mtu;
2720
}
2721

    
2722
function interface_configure($interface = "wan", $reloadall = false, $linkupevent = false) {
2723
	global $config, $g;
2724
	global $interface_sn_arr_cache, $interface_ip_arr_cache;
2725
	global $interface_snv6_arr_cache, $interface_ipv6_arr_cache;
2726

    
2727
	$wancfg = $config['interfaces'][$interface];
2728

    
2729
	if (!isset($wancfg['enable']))
2730
		return;
2731

    
2732
	$realif = get_real_interface($interface);
2733
	$realhwif_array = get_parent_interface($interface);
2734
	// Need code to handle MLPPP if we ever use $realhwif for MLPPP handling
2735
	$realhwif = $realhwif_array[0];
2736

    
2737
	/* Disable Accepting router advertisements unless specifically requested */
2738
	if ($g['debug'])
2739
		log_error("Deny router advertisements for interface {$interface}");
2740
	mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 -accept_rtadv");
2741

    
2742
	if (!$g['booting'] && !(substr($realif, 0, 4) == "ovpn")) {
2743
		/* remove all IPv4 and IPv6 addresses */
2744
		while (mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " -alias", true) == 0);
2745
		while (mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 -alias", true) == 0);
2746

    
2747
		/* only bring down the interface when both v4 and v6 are set to NONE */
2748
		if(empty($wancfg['ipaddr']) && empty($wancfg['ipaddrv6'])) {
2749
			interface_bring_down($interface);
2750
		}
2751
	}
2752

    
2753
	/* wireless configuration? */
2754
	if (is_array($wancfg['wireless']))
2755
		interface_wireless_configure($realif, $wancfg, $wancfg['wireless']);
2756

    
2757
	$mac = get_interface_mac($realhwif);
2758
	/*
2759
	 * Don't try to reapply the spoofed MAC if it's already applied.
2760
	 * When ifconfig link is used, it cycles the interface down/up, which triggers
2761
	 * the interface config again, which attempts to spoof the MAC again,
2762
	 * which cycles the link again...
2763
	 */
2764
	if ($wancfg['spoofmac'] && ($wancfg['spoofmac'] != $mac)) {
2765
		mwexec("/sbin/ifconfig " . escapeshellarg($realhwif) .
2766
			" link " . escapeshellarg($wancfg['spoofmac']));
2767

    
2768
		/*
2769
		 * All vlans need to spoof their parent mac address, too.  see
2770
		 * ticket #1514: http://cvstrac.pfsense.com/tktview?tn=1514,33
2771
		 */
2772
		if (is_array($config['vlans']['vlan'])) {
2773
			foreach ($config['vlans']['vlan'] as $vlan) {
2774
				if ($vlan['if'] == $realhwif)
2775
					mwexec("/sbin/ifconfig " . escapeshellarg($vlan['vlanif']) .
2776
					" link " . escapeshellarg($wancfg['spoofmac']));
2777
			}
2778
		}
2779
	}  else {
2780

    
2781
		if ($mac == "ff:ff:ff:ff:ff:ff") {
2782
			/*   this is not a valid mac address.  generate a
2783
			 *   temporary mac address so the machine can get online.
2784
			 */
2785
			echo gettext("Generating new MAC address.");
2786
			$random_mac = generate_random_mac_address();
2787
			mwexec("/sbin/ifconfig " . escapeshellarg($realhwif) .
2788
				" link " . escapeshellarg($random_mac));
2789
			$wancfg['spoofmac'] = $random_mac;
2790
			write_config();
2791
			file_notice("MAC Address altered", sprintf(gettext('The INVALID MAC address (ff:ff:ff:ff:ff:ff) on interface %1$s has been automatically replaced with %2$s'), $realif, $random_mac), "Interfaces");
2792
		}
2793
	}
2794

    
2795
	/* media */
2796
	if ($wancfg['media'] || $wancfg['mediaopt']) {
2797
		$cmd = "/sbin/ifconfig " . escapeshellarg($realhwif);
2798
		if ($wancfg['media'])
2799
			$cmd .= " media " . escapeshellarg($wancfg['media']);
2800
		if ($wancfg['mediaopt'])
2801
			$cmd .= " mediaopt " . escapeshellarg($wancfg['mediaopt']);
2802
		mwexec($cmd);
2803
	}
2804
	$options = pfSense_get_interface_addresses($realhwif);
2805
	if (is_array($options) && isset($options['caps']['polling'])) {
2806
		if (isset($config['system']['polling']))
2807
			pfSense_interface_capabilities($realif, IFCAP_POLLING);
2808
		else
2809
			pfSense_interface_capabilities($realif, -IFCAP_POLLING);
2810
	}
2811

    
2812
	/* skip vlans for checksumming and polling */
2813
	if (!stristr($realif, "_vlan") && is_array($options)) {
2814
		$flags = 0;
2815
		if(isset($config['system']['disablechecksumoffloading'])) {
2816
			if (isset($options['encaps']['txcsum']))
2817
				$flags |= IFCAP_TXCSUM;
2818
			if (isset($options['encaps']['rxcsum']))
2819
				$flags |= IFCAP_RXCSUM;
2820
		} else {
2821
			if (!isset($options['caps']['txcsum']))
2822
				$flags |= IFCAP_TXCSUM;
2823
			if (!isset($options['caps']['rxcsum']))
2824
				$flags |= IFCAP_RXCSUM;
2825
		}
2826

    
2827
		if(isset($config['system']['disablesegmentationoffloading'])) {
2828
			if (isset($options['encaps']['tso4']))
2829
				$flags |= IFCAP_TSO;
2830
			if (isset($options['encaps']['tso6']))
2831
				$flags |= IFCAP_TSO;
2832
		} else {
2833
			if (!isset($options['caps']['tso4']))
2834
				$flags |= IFCAP_TSO;
2835
			if (!isset($options['caps']['tso6']))
2836
				$flags |= IFCAP_TSO;
2837
		}
2838

    
2839
		if(isset($config['system']['disablelargereceiveoffloading'])) {
2840
			if (isset($options['encaps']['lro']))
2841
				$flags |= IFCAP_LRO;
2842
		} else {
2843
			if (!isset($options['caps']['lro']))
2844
				$flags |= IFCAP_LRO;
2845
		}
2846

    
2847
		/* if the NIC supports polling *AND* it is enabled in the GUI */
2848
		if (!isset($config['system']['polling']) || !isset($options['caps']['polling'])) {
2849
			$flags |= IFCAP_POLLING;
2850
		}
2851
		pfSense_interface_capabilities($realhwif, -$flags);
2852
	}
2853

    
2854
	/* invalidate interface/ip/sn cache */
2855
	get_interface_arr(true);
2856
	unset($interface_ip_arr_cache[$realif]);
2857
	unset($interface_sn_arr_cache[$realif]);
2858
	unset($interface_ipv6_arr_cache[$realif]);
2859
	unset($interface_snv6_arr_cache[$realif]);
2860

    
2861
	switch ($wancfg['ipaddr']) {
2862
		case 'dhcp':
2863
			interface_dhcp_configure($interface);
2864
			break;
2865
		case 'pppoe':
2866
		case 'l2tp':
2867
		case 'pptp':
2868
		case 'ppp':
2869
			interface_ppps_configure($interface);
2870
			break;
2871
		default:
2872
			if (is_ipaddr($wancfg['ipaddr']) && $wancfg['subnet'] <> "") {
2873
				pfSense_interface_setaddress($realif, "{$wancfg['ipaddr']}/{$wancfg['subnet']}");
2874
			} else if (substr($realif, 0, 3) == "gre") {
2875
				if (is_array($config['gres']['gre'])) {
2876
					foreach ($config['gres']['gre'] as $gre)
2877
						if ($gre['greif'] == $realif)
2878
							interface_gre_configure($gre);
2879
				}
2880
			} else if (substr($realif, 0, 3) == "gif") {
2881
				if (is_array($config['gifs']['gif'])) {
2882
					foreach ($config['gifs']['gif'] as $gif)
2883
						if($gif['gifif'] == $realif)
2884
							interface_gif_configure($gif);
2885
				}
2886
			} else if (substr($realif, 0, 4) == "ovpn") {
2887
				/* XXX: Should be done anything?! */
2888
			}
2889
			break;
2890
	}
2891

    
2892
	switch ($wancfg['ipaddrv6']) {
2893
		case 'slaac':
2894
		case 'dhcp6':
2895
			interface_dhcpv6_configure($interface, $wancfg);
2896
			break;
2897
		case '6rd':
2898
			interface_6rd_configure($interface, $wancfg);
2899
			break;
2900
		case '6to4':
2901
			interface_6to4_configure($interface, $wancfg);
2902
			break;
2903
		case 'track6':
2904
			interface_track6_configure($interface, $wancfg);
2905
			break;
2906
		default:
2907
			if (is_ipaddr($wancfg['ipaddrv6']) && $wancfg['subnetv6'] <> "") {
2908
				pfSense_interface_setaddress($realif, "{$wancfg['ipaddrv6']}/{$wancfg['subnetv6']}");
2909
				// FIXME: Add IPv6 Support to the pfSense module
2910
				mwexec("/sbin/ifconfig {$realif} inet6 {$wancfg['ipaddrv6']} prefixlen {$wancfg['subnetv6']} ");
2911
			}
2912
			break;
2913
	}
2914

    
2915
	$mtu = get_interface_default_mtu(remove_ifindex($realhwif));
2916
	$assignedparent = convert_real_interface_to_friendly_interface_name($realhwif);
2917
	if (!empty($assignedparent) && !empty($config['interfaces'][$assignedparent]['mtu']))
2918
		$mtu = $config['interfaces'][$assignedparent]['mtu'];
2919

    
2920
	$vlanifs = link_interface_to_vlans($realhwif);
2921
	if (empty($vlanifs))
2922
		$vlanifs = array();
2923

    
2924
	if (!empty($wancfg['mtu'])) {
2925
		if (stristr($realif, "_vlan")) {
2926
			if (!empty($assignedparent)) {
2927
				$parentmtu = $config['interfaces'][$assignedparent]['mtu'];
2928
				if (empty($parentmtu))
2929
					$parentmtu = interface_vlan_mtu_configured($realhwif, $wancfg['mtu']);
2930
				if ($wancfg['mtu'] > $parentmtu) {
2931
					if (get_interface_mtu($realhwif) != $wancfg['mtu'])
2932
						pfSense_interface_mtu($realhwif, $wancfg['mtu']);
2933

    
2934
					/* All vlans need to use the same mtu value as their parent. */
2935
					foreach ($vlanifs as $vlan) {
2936
						if ($vlan['vlanif'] == $realif)
2937
							continue;
2938
						$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2939
						if (!empty($assignedport)) {
2940
							$portmtu = $config['interfaces'][$assignedport]['mtu'];
2941
							if (empty($portmtu) && (get_interface_mtu($vlan['vlanif']) != $wancfg['mtu']))
2942
								pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2943
						} else if (get_interface_mtu($vlan['vlanif']) != $wancfg['mtu'])
2944
							pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2945
					}
2946
				}
2947
			} else {
2948
				/* Parent is not assigned, back to default */
2949
				if (get_interface_mtu($realhwif) != $mtu)
2950
					pfSense_interface_mtu($realhwif, $mtu);
2951

    
2952
				/* All vlans need to use the same mtu value as their parent. */
2953
				foreach ($vlanifs as $vlan) {
2954
					if ($vlan['vlanif'] == $realif)
2955
						continue;
2956
					$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2957
					if (!empty($assignedport)) {
2958
						$portmtu = $config['interfaces'][$assignedport]['mtu'];
2959
						if (empty($portmtu) && (get_interface_mtu($vlan['vlanif']) != $mtu))
2960
							pfSense_interface_mtu($vlan['vlanif'], $mtu);
2961
					} else if (get_interface_mtu($vlan['vlanif']) != $mtu)
2962
						pfSense_interface_mtu($vlan['vlanif'], $mtu);
2963
				}
2964

    
2965
				if (get_interface_mtu($realif) != $wancfg['mtu'])
2966
					pfSense_interface_mtu($realif, $wancfg['mtu']);
2967
			}
2968
		} else {
2969
			foreach ($vlanifs as $vlan) {
2970
				$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2971
				if (empty($assignedport)) {
2972
					if (get_interface_mtu($vlan['vlanif']) != $wancfg['mtu'])
2973
						pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2974
				} else {
2975
					$vlanmtu = $config['interfaces'][$assignedport]['mtu'];
2976
					if ((empty($vlanmtu) || ($vlanmtu >= $wancfg['mtu'])) && (get_interface_mtu($vlan['vlanif']) != $wancfg['mtu']))
2977
						pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2978
				}
2979
			}
2980
		}
2981
		if ($wancfg['mtu'] != get_interface_mtu($realif))
2982
			pfSense_interface_mtu($realif, $wancfg['mtu']);
2983
	} else if (stristr($realif, "_vlan")) {
2984
		/* XXX: This is really dangerous for example with vlans changing their parent mtu! */
2985
		$bigmtu = interface_vlan_mtu_configured($realhwif, $mtu);
2986
		if ($mtu < $bigmtu)
2987
			$mtu = $bigmtu;
2988

    
2989
		if (get_interface_mtu($realhwif) != $mtu)
2990
			pfSense_interface_mtu($realhwif, $mtu);
2991

    
2992
		/* All vlans need to use the same mtu value as their parent. */
2993
		foreach ($vlanifs as $vlan) {
2994
			if ($vlan['vlanif'] == $realif)
2995
				continue;
2996
			$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2997
			if (!empty($assignedport)) {
2998
				$portmtu = $config['interfaces'][$assignedport]['mtu'];
2999
				if (empty($portmtu) && (get_interface_mtu($vlan['vlanif']) != $mtu))
3000
					pfSense_interface_mtu($vlan['vlanif'], $mtu);
3001
			} else if (get_interface_mtu($vlan['vlanif']) != $mtu)
3002
				pfSense_interface_mtu($vlan['vlanif'], $mtu);
3003
		}
3004
		if (get_interface_mtu($realif) != $mtu)
3005
			pfSense_interface_mtu($realif, $mtu);
3006
	} else {
3007
		/* All vlans need to use the same mtu value as their parent. */
3008
		foreach ($vlanifs as $vlan) {
3009
			$assignedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
3010
			if (!empty($assignedport)) {
3011
				$portmtu = $config['interfaces'][$assignedport]['mtu'];
3012
				if (empty($portmtu) && (get_interface_mtu($vlan['vlanif']) != $mtu))
3013
					pfSense_interface_mtu($vlan['vlanif'], $mtu);
3014
			} else if (get_interface_mtu($vlan['vlanif']) != $mtu)
3015
				pfSense_interface_mtu($vlan['vlanif'], $mtu);
3016
		}
3017
		if ($mtu != get_interface_mtu($realhwif))
3018
			pfSense_interface_mtu($realhwif, $mtu);
3019
	}
3020

    
3021
	unset($vlanifs);
3022

    
3023
	if(does_interface_exist($wancfg['if']))
3024
		interfaces_bring_up($wancfg['if']);
3025

    
3026
	interface_netgraph_needed($interface);
3027

    
3028
	if (!$g['booting']) {
3029
		link_interface_to_vips($interface, "update");
3030

    
3031
		unset($gre);
3032
		$gre = link_interface_to_gre($interface);
3033
		if (!empty($gre))
3034
			array_walk($gre, 'interface_gre_configure');
3035

    
3036
		unset($gif);
3037
		$gif = link_interface_to_gif($interface);
3038
		if (!empty($gif))
3039
			array_walk($gif, 'interface_gif_configure');
3040

    
3041
		if ($linkupevent == false || substr($realif, 0, 4) == "ovpn") {
3042
			unset($bridgetmp);
3043
			$bridgetmp = link_interface_to_bridge($interface);
3044
			if (!empty($bridgetmp))
3045
				interface_bridge_add_member($bridgetmp, $realif);
3046
		}
3047

    
3048
		$grouptmp = link_interface_to_group($interface);
3049
		if (!empty($grouptmp))
3050
			array_walk($grouptmp, 'interface_group_add_member');
3051

    
3052
		if ($interface == "lan")
3053
			/* make new hosts file */
3054
			system_hosts_generate();
3055

    
3056
		if ($reloadall == true) {
3057

    
3058
			/* reconfigure static routes (kernel may have deleted them) */
3059
			system_routing_configure($interface);
3060

    
3061
			/* reload ipsec tunnels */
3062
			vpn_ipsec_configure();
3063

    
3064
			/* restart dnsmasq */
3065
			services_dnsmasq_configure();
3066

    
3067
			/* update dyndns */
3068
			send_event("service reload dyndns {$interface}");
3069

    
3070
			/* reload captive portal */
3071
			captiveportal_init_rules();
3072
		}
3073
	}
3074

    
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
	mwexec("/sbin/ifconfig {$realif} inet6 fe80::1:1%{$realif}");
3094

    
3095
	$trackcfg = $config['interfaces'][$wancfg['track6-interface']];
3096
	if (!isset($trackcfg['enable'])) {
3097
		log_error("Interface {$interface} tracking non-existant interface {$wancfg['track6-interface']}");
3098
		return;
3099
	}
3100

    
3101
	switch($trackcfg['ipaddrv6']) {
3102
	case "6to4":
3103
		if ($g['debug'])
3104
			log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3105
		interface_track6_6to4_configure($interface, $wancfg);
3106
		break;
3107
	case "6rd":
3108
		if ($g['debug'])
3109
			log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3110
		interface_track6_6rd_configure($interface, $wancfg);
3111
		break;
3112
	case "dhcp6":
3113
		if ($g['debug'])
3114
			log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3115
		interface_track6_dhcp6_configure($interface, $wancfg);
3116
		break;
3117
	}
3118

    
3119
	if (!function_exists('services_dhcpd_configure'))
3120
		require_once("services.inc");
3121

    
3122
	services_dhcpd_configure("inet6");
3123

    
3124
	return 0;
3125
}
3126

    
3127
function interface_track6_6rd_configure($interface = "lan", $lancfg) {
3128
	global $config, $g;
3129
	global $interface_ipv6_arr_cache;
3130
        global $interface_snv6_arr_cache;
3131

    
3132
	if (!is_array($lancfg))
3133
		return;
3134

    
3135
	/* If the interface is not configured via another, exit */
3136
	if (empty($lancfg['track6-interface']))
3137
		return;
3138

    
3139
	if (!is_numeric($lancfg['track6-prefix-id']))
3140
		$lancfg['track6-prefix-id'] = 0;
3141

    
3142
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3143
	if (empty($wancfg)) {
3144
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3145
		return;
3146
	}
3147

    
3148
	$ip4address = get_interface_ip($lancfg['track6-interface']);
3149
	if (!is_ipaddrv4($ip4address)) { /* XXX: This should not be needed by 6rd || (is_private_ip($ip4address))) { */
3150
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$lancfg['track6-interface']}' is not public, not configuring 6RD tunnel");
3151
		return;
3152
	}
3153
	$hexwanv4 = return_hex_ipv4($ip4address);
3154

    
3155
	/* create the long prefix notation for math, save the prefix length */
3156
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3157
	$rd6prefixlen = $rd6prefix[1];
3158
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3159

    
3160
	/* binary presentation of the prefix for all 128 bits. */
3161
	$rd6lanbin = convert_ipv6_to_128bit($rd6prefix);
3162

    
3163
	/* just save the left prefix length bits */
3164
	$rd6lanbin = substr($rd6lanbin, 0, $rd6prefixlen);
3165
	/* add the v4 address, offset n bits from the left */
3166
	$rd6lanbin .= substr(sprintf("%032b", hexdec($hexwanv4)), (0 + $wancfg['prefix-6rd-v4plen']), 32);
3167

    
3168
	/* add the custom prefix id, max 32bits long? (64 bits - (prefixlen + (32 - v4plen)) */
3169
	/* 64 - (37 + (32 - 17)) = 8 == /52 */
3170
	$restbits = 64 - ($rd6prefixlen + (32 - $wancfg['prefix-6rd-v4plen']));
3171
	// echo "64 - (prefixlen {$rd6prefixlen} + v4len (32 - {$wancfg['prefix-6rd-v4plen']})) = {$restbits} \n";
3172
	$rd6lanbin .= substr(sprintf("%032b", str_pad($lancfg['track6-prefix-id'], 32, "0", STR_PAD_LEFT)), (32 - $restbits), 32);
3173
	/* fill the rest out with zeros */
3174
	$rd6lanbin = str_pad($rd6lanbin, 128, "0", STR_PAD_RIGHT);;
3175

    
3176
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3177
	$rd6lan = convert_128bit_to_ipv6($rd6lanbin) ."1";
3178

    
3179
	$lanif = get_real_interface($interface);
3180
	$oip = find_interface_ipv6($lanif);
3181
	if (is_ipaddrv6($oip))
3182
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3183
	unset($interface_ipv6_arr_cache[$lanif]);
3184
	unset($interface_snv6_arr_cache[$lanif]);
3185
	log_error("rd6 {$interface} with ipv6 address {$rd6lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3186
	mwexec("/sbin/ifconfig {$lanif} inet6 {$rd6lan} prefixlen 64");
3187

    
3188
	return 0;
3189
}
3190

    
3191
function interface_track6_6to4_configure($interface = "lan", $lancfg) {
3192
	global $config, $g;
3193
	global $interface_ipv6_arr_cache;
3194
        global $interface_snv6_arr_cache;
3195

    
3196
	if (!is_array($lancfg))
3197
		return;
3198

    
3199
	/* If the interface is not configured via another, exit */
3200
	if (empty($lancfg['track6-interface']))
3201
		return;
3202

    
3203
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3204
	if (empty($wancfg)) {
3205
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3206
		return;
3207
	}
3208

    
3209
	if (!is_numeric($lancfg['track6-prefix-id']))
3210
		$lancfg['track6-prefix-id'] = 0;
3211

    
3212
	$ip4address = get_interface_ip($lancfg['track6-interface']);
3213
	if (!is_ipaddrv4($ip4address) || is_private_ip($ip4address)) {
3214
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$lancfg['track6-interface']}' is not public, not configuring 6RD tunnel");
3215
		return;
3216
	}
3217
	$hexwanv4 = return_hex_ipv4($ip4address);
3218

    
3219
	/* create the long prefix notation for math, save the prefix length */
3220
	$sixto4prefix = "2002::";
3221
	$sixto4prefixlen = 16;
3222
	$sixto4prefix = Net_IPv6::uncompress($sixto4prefix);
3223

    
3224
	/* binary presentation of the prefix for all 128 bits. */
3225
	$sixto4lanbin = convert_ipv6_to_128bit($sixto4prefix);
3226

    
3227
	/* just save the left prefix length bits */
3228
	$sixto4lanbin = substr($sixto4lanbin, 0, $sixto4prefixlen);
3229
	/* add the v4 address */
3230
	$sixto4lanbin .= sprintf("%032b", hexdec($hexwanv4));
3231
	/* add the custom prefix id */
3232
	$sixto4lanbin .= sprintf("%016b", $lancfg['track6-prefix-id']);
3233
	/* fill the rest out with zeros */
3234
	$sixto4lanbin = str_pad($sixto4lanbin, 128, "0", STR_PAD_RIGHT);;
3235

    
3236
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3237
	$sixto4lan = convert_128bit_to_ipv6($sixto4lanbin) ."1";
3238

    
3239
	$lanif = get_real_interface($interface);
3240
	$oip = find_interface_ipv6($lanif);
3241
	if (is_ipaddrv6($oip))
3242
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3243
	unset($interface_ipv6_arr_cache[$lanif]);
3244
	unset($interface_snv6_arr_cache[$lanif]);
3245
	log_error("sixto4 {$interface} with ipv6 address {$sixto4lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3246
	mwexec("/sbin/ifconfig {$lanif} inet6 {$sixto4lan} prefixlen 64");
3247

    
3248
	return 0;
3249
}
3250

    
3251
function interface_track6_dhcp6_configure($interface = "lan", $lancfg) {
3252
	global $config, $g;
3253
	global $interface_ipv6_arr_cache;
3254
        global $interface_snv6_arr_cache;
3255

    
3256
	if (!is_array($lancfg))
3257
		return;
3258

    
3259
	/* If the interface is not configured via another, exit */
3260
	if (empty($lancfg['track6-interface']))
3261
		return;
3262

    
3263
	if (!is_numeric($lancfg['track6-prefix-id']))
3264
		$lancfg['track6-prefix-id'] = 0;
3265

    
3266
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3267
	if (empty($wancfg)) {
3268
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3269
		return;
3270
	}
3271

    
3272
	$lanif = get_real_interface($interface);
3273
	$oip = find_interface_ipv6($lanif);
3274
	if (is_ipaddrv6($oip))
3275
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3276
	unset($interface_ipv6_arr_cache[$lanif]);
3277
	unset($interface_snv6_arr_cache[$lanif]);
3278

    
3279
	if ($wancfg['ipaddrv6'] == "slaac") {
3280
		$ifcfgipv6 = get_interface_ipv6($lancfg['track6-interface']);
3281
		if (is_ipaddrv6($ifcfgipv6)) {
3282
			$dhcp6lanarr = explode(":", Net_IPv6::uncompress($ifcfgipv6));
3283
			$dhcp6lanarr[4] = 0;
3284
			$dhcp6lanarr[5] = 0;
3285
			$dhcp6lanarr[6] = 0;
3286
			$dhcp6lanarr[7] = 1;
3287
			$dhcp6lan =  Net_IPv6::compress(implode(":", $dhcp6lanarr));
3288
			log_error("dhcp6 {$interface} with ipv6 address {$dhcp6lan} based on {$lancfg['track6-interface']}");
3289
			mwexec("/sbin/ifconfig {$lanif} inet6 {$dhcp6lan} prefixlen 64");
3290
		}
3291
	}
3292

    
3293
	return 0;
3294
}
3295

    
3296
function interface_6rd_configure($interface = "wan", $wancfg) {
3297
	global $config, $g;
3298

    
3299
	/* because this is a tunnel interface we can only function
3300
	 *	with a public IPv4 address on the interface */
3301

    
3302
	if (!is_array($wancfg))
3303
		return;
3304

    
3305
	$wanif = get_real_interface($interface);
3306
	$ip4address = find_interface_ip($wanif);
3307
	if ((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3308
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3309
		return false;
3310
	}
3311
	$hexwanv4 = return_hex_ipv4($ip4address);
3312

    
3313
	if (!is_numeric($wancfg['prefix-6rd-v4plen']))
3314
		$wancfg['prefix-6rd-v4plen'] = 0;
3315

    
3316
	/* create the long prefix notation for math, save the prefix length */
3317
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3318
	$rd6prefixlen = $rd6prefix[1];
3319
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3320

    
3321
	/* we need the hex form of the broker IPv4 address */
3322
	$hexbrv4 = return_hex_ipv4($wancfg['gateway-6rd']);
3323

    
3324
	/* binary presentation of the prefix for all 128 bits. */
3325
	$rd6prefixbin = convert_ipv6_to_128bit($rd6prefix);
3326

    
3327
	/* just save the left prefix length bits */
3328
	$rd6brprefixbin = substr($rd6prefixbin, 0, $rd6prefixlen);
3329
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3330
	$rd6brprefixbin .= substr(sprintf("%032b", hexdec($hexbrv4)), $wancfg['prefix-6rd-v4plen'], 32);
3331
	/* fill out the rest with 0's */
3332
	$rd6brprefixbin = str_pad($rd6brprefixbin, 128, "0", STR_PAD_RIGHT);
3333

    
3334
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3335
	$rd6brgw = convert_128bit_to_ipv6($rd6brprefixbin);
3336

    
3337
	/* just save the left prefix length bits */
3338
	$rd6prefixbin = substr($rd6prefixbin, 0, $rd6prefixlen);
3339
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3340
	$rd6prefixbin .= substr(sprintf("%032b", hexdec($hexwanv4)), $wancfg['prefix-6rd-v4plen'], 32);
3341
	/* fill out the rest with 0's */
3342
	$rd6prefixbin = str_pad($rd6prefixbin, 128, "0", STR_PAD_RIGHT);;
3343

    
3344
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3345
	$rd6prefix = convert_128bit_to_ipv6($rd6prefixbin);
3346

    
3347
	/* XXX: need to extend to support variable prefix size for v4 */
3348
	if (!is_module_loaded("if_stf"))
3349
		mwexec("/sbin/kldload if_stf.ko");
3350
	$stfiface = "{$interface}_stf";
3351
	if (does_interface_exist($stfiface))
3352
		pfSense_interface_destroy($stfiface);
3353
	$tmpstfiface = pfSense_interface_create("stf");
3354
	pfSense_interface_rename($tmpstfiface, $stfiface);
3355
	pfSense_interface_flags($stfiface, IFF_LINK2);
3356
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$rd6prefix}/{$rd6prefixlen}");
3357
	if ($g['debug'])
3358
		log_error("Created 6rd interface {$stfiface} {$rd6prefix}/{$rd6prefixlen}");
3359

    
3360
	/* write out a default router file */
3361
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$rd6brgw}\n");
3362
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$rd6brgw}\n");
3363

    
3364
	$ip4gateway = get_interface_gateway($interface);
3365
	if (is_ipaddrv4($ip4gateway))
3366
		mwexec("/sbin/route change -host " . $wancfg['gateway-6rd'] . " {$ip4gateway}");
3367

    
3368
	/* configure dependent interfaces */
3369
	if (!$g['booting'])
3370
		link_interface_to_track6($interface, "update");
3371

    
3372
	return 0;
3373
}
3374

    
3375
function interface_6to4_configure($interface = "wan", $wancfg){
3376
	global $config, $g;
3377

    
3378
	/* because this is a tunnel interface we can only function
3379
	 *	with a public IPv4 address on the interface */
3380

    
3381
	if (!is_array($wancfg))
3382
		return;
3383

    
3384
	$wanif = get_real_interface($interface);
3385
	$ip4address = find_interface_ip($wanif);
3386
	if((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3387
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3388
		return false;
3389
	}
3390

    
3391
	/* create the long prefix notation for math, save the prefix length */
3392
	$stfprefixlen = 16;
3393
	$stfprefix = Net_IPv6::uncompress("2002::");
3394
	$stfarr = explode(":", $stfprefix);
3395
	$v4prefixlen = "0";
3396

    
3397
	/* we need the hex form of the interface IPv4 address */
3398
	$ip4arr = explode(".", $ip4address);
3399
	$hexwanv4 = "";
3400
	foreach($ip4arr as $octet)
3401
		$hexwanv4 .= sprintf("%02x", $octet);
3402

    
3403
	/* we need the hex form of the broker IPv4 address */
3404
	$ip4arr = explode(".", "192.88.99.1");
3405
	$hexbrv4 = "";
3406
	foreach($ip4arr as $octet)
3407
		$hexbrv4 .= sprintf("%02x", $octet);
3408

    
3409
	/* binary presentation of the prefix for all 128 bits. */
3410
	$stfprefixbin = "";
3411
	foreach($stfarr as $element) {
3412
		$stfprefixbin .= sprintf("%016b", hexdec($element));
3413
	}
3414
	/* just save the left prefix length bits */
3415
	$stfprefixstartbin = substr($stfprefixbin, 0, $stfprefixlen);
3416

    
3417
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3418
	$stfbrokerbin = substr(sprintf("%032b", hexdec($hexbrv4)), $v4prefixlen, 32);
3419
	$stfbrokerbin = str_pad($stfprefixstartbin . $stfbrokerbin, 128, "0", STR_PAD_RIGHT);;
3420

    
3421
	/* for the local subnet too. */
3422
	$stflanbin = substr(sprintf("%032b", hexdec($hexwanv4)), $v4prefixlen, 32);
3423
	$stflanbin = str_pad($stfprefixstartbin . $stflanbin, 128, "0", STR_PAD_RIGHT);;
3424

    
3425
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3426
	$stfbrarr = array();
3427
	$stfbrbinarr = array();
3428
	$stfbrbinarr = str_split($stfbrokerbin, 16);
3429
	foreach($stfbrbinarr as $bin)
3430
		$stfbrarr[] = dechex(bindec($bin));
3431
	$stfbrgw = Net_IPv6::compress(implode(":", $stfbrarr));
3432

    
3433
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3434
	$stflanarr = array();
3435
	$stflanbinarr = array();
3436
	$stflanbinarr = str_split($stflanbin, 16);
3437
	foreach($stflanbinarr as $bin)
3438
		$stflanarr[] = dechex(bindec($bin));
3439
	$stflanpr = Net_IPv6::compress(implode(":", $stflanarr));
3440
	$stflanarr[7] = 1;
3441
	$stflan = Net_IPv6::compress(implode(":", $stflanarr));
3442

    
3443
	/* setup the stf interface */
3444
	if (!is_module_loaded("if_stf"))
3445
		mwexec("/sbin/kldload if_stf.ko");
3446
	$stfiface = "{$interface}_stf";
3447
	if (does_interface_exist($stfiface))
3448
		pfSense_interface_destroy($stfiface);
3449
	$tmpstfiface = pfSense_interface_create("stf");
3450
	pfSense_interface_rename($tmpstfiface, $stfiface);
3451
	pfSense_interface_flags($stfiface, IFF_LINK2);
3452
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$stflanpr} prefixlen 16");
3453

    
3454
	if ($g['debug'])
3455
		log_error("Set IPv6 address inet6 {$stflanpr} prefixlen 16 for {$stfiface}, route {$stfbrgw}");
3456

    
3457
	/* write out a default router file */
3458
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$stfbrgw}");
3459
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$stfbrgw}");
3460

    
3461
	$ip4gateway = get_interface_gateway($interface);
3462
	if (is_ipaddrv4($ip4gateway))
3463
		mwexec("route change -host 192.88.99.1 {$ip4gateway}");
3464

    
3465
	if (!$g['booting'])
3466
		link_interface_to_track6($interface, "update");
3467

    
3468
	return 0;
3469
}
3470

    
3471
function interface_dhcpv6_configure($interface = "wan", $wancfg) {
3472
	global $config, $g;
3473

    
3474
	if (!is_array($wancfg))
3475
		return;
3476

    
3477
	$wanif = get_real_interface($interface);
3478
	$dhcp6cconf = "";
3479
	$dhcp6cconf .= "interface {$wanif} {\n";
3480

    
3481
	/* for SLAAC interfaces we do fire off a dhcp6 client for just our name servers */
3482
	if($wancfg['ipaddrv6'] == "slaac") {
3483
		$dhcp6cconf .= "	information-only;\n";
3484
		$dhcp6cconf .= "	request domain-name-servers;\n";
3485
		$dhcp6cconf .= "	request domain-name;\n";
3486
		$dhcp6cconf .= "	script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3487
		$dhcp6cconf .= "};\n";
3488
	} else {
3489

    
3490
		$dhcp6cconf .= " 	send ia-na 0;	# request stateful address\n";
3491
		if(is_numeric($wancfg['dhcp6-ia-pd-len']))
3492
			$dhcp6cconf .= "	send ia-pd 0;	# request prefix delegation\n";
3493
		$dhcp6cconf .= "request domain-name-servers;\n";
3494
		$dhcp6cconf .= "request domain-name;\n";
3495
		$dhcp6cconf .= "script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3496

    
3497
		$dhcp6cconf .= "};\n";
3498
		$dhcp6cconf .= "id-assoc na 0 { };\n";
3499
		if(is_numeric($wancfg['dhcp6-ia-pd-len'])) {
3500
			/* Setup the prefix delegation */
3501
			$dhcp6cconf .= "id-assoc pd 0 {\n";
3502
			$iflist = link_interface_to_track6($interface);
3503
			foreach ($iflist as $friendly => $ifcfg) {
3504
				if (is_numeric($ifcfg['track6-prefix-id'])) {
3505
					if ($g['debug'])
3506
						log_error("setting up $ifdescr - {$ifcfg['track6-prefix-id']}");
3507
					$realif = get_real_interface($friendly);
3508
					$dhcp6cconf .= "	prefix-interface {$realif} {\n";
3509
					$dhcp6cconf .= "		sla-id {$ifcfg['track6-prefix-id']};\n";
3510
					$dhcp6cconf .= "		sla-len {$wancfg['dhcp6-ia-pd-len']};\n";
3511
					$dhcp6cconf .= "	};\n";
3512
				}
3513
			}
3514
			unset($iflist, $ifcfg);
3515
			$dhcp6cconf .= "};\n";
3516
		}
3517
	}
3518
	/* wide-dhcp6c works for now. */
3519
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}.conf", $dhcp6cconf)) {
3520
		printf("Error: cannot open dhcp6c_{$interface}.conf in interface_dhcpv6_configure() for writing.\n");
3521
		unset($dhcp6cconf);
3522
		return 1;
3523
	}
3524
	unset($dhcp6cconf);
3525

    
3526
	$dhcp6cscript = "#!/bin/sh\n";
3527
	$dhcp6cscript .= "# This shell script launches /etc/rc.newwanipv6 with a interface argument.\n";
3528
	$dhcp6cscript .= "/etc/rc.newwanipv6 {$wanif} \n";
3529
	/* Add wide-dhcp6c shell script here. Because we can not pass a argument to it. */
3530
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", $dhcp6cscript)) {
3531
		printf("Error: cannot open dhcp6c_{$interface}_script.sh in interface_dhcpv6_configure() for writing.\n");
3532
		unset($dhcp6cscript);
3533
		return 1;
3534
	}
3535
	unset($dhcp6cscript);
3536
	@chmod("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", 0755);
3537

    
3538

    
3539
	/* accept router advertisements for this interface */
3540
	mwexec("/sbin/sysctl -w net.inet6.ip6.accept_rtadv=1");
3541
	log_error("Accept router advertisements on interface {$wanif} ");
3542
	mwexec("/sbin/ifconfig {$wanif} inet6 accept_rtadv");
3543

    
3544
	/* run a filter configure sync so that the filter rules allow traffic before we launch the client */
3545
	/* there reallyt is no good way around this i'm 'fraid */
3546
	if (!$g['booting'])
3547
		filter_configure_sync(false);
3548

    
3549
	/* fire up dhcp6c for IPv6 first, this backgrounds immediately */
3550
	mwexec("/usr/local/sbin/dhcp6c -d -c {$g['varetc_path']}/dhcp6c_{$interface}.conf -p {$g['varrun_path']}/dhcp6c_{$wanif}.pid {$wanif}");
3551
	sleep(1);
3552
	unset($out);
3553
	exec("/sbin/rtsol -d {$wanif} 2>&1", $out, $ret);
3554
	if (!empty($out)) {
3555
		foreach($out as $line) {
3556
			if((stristr($line, "received")) && (!stristr($line, "unexpected"))) {
3557
				$parts = explode(" ", $line);
3558
				if(is_ipaddrv6($parts[3])) {
3559
					log_error("Found IPv6 default gateway '{$parts[3]}' by RA.");
3560
					file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$parts[3]}\n");
3561
					file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$parts[3]}\n");
3562
					break;
3563
				}
3564
			}
3565
		}
3566
		unset($out);
3567
	}
3568
	/* worst case is that the rc.newwanipv6 handles setting up the track6 interface */
3569
	if (!$g['booting'] && $wancfg['ipaddrv6'] != "slaac")
3570
		link_interface_to_track6($interface, "update");
3571

    
3572
	return 0;
3573
}
3574

    
3575
function interface_dhcp_configure($interface = "wan") {
3576
	global $config, $g;
3577

    
3578
	$wancfg = $config['interfaces'][$interface];
3579
	$wanif = $wancfg['if'];
3580
	if (empty($wancfg))
3581
		$wancfg = array();
3582

    
3583
	/* generate dhclient_wan.conf */
3584
	$fd = fopen("{$g['varetc_path']}/dhclient_{$interface}.conf", "w");
3585
	if (!$fd) {
3586
		printf(printf(gettext("Error: cannot open dhclient_%s.conf in interface_dhcp_configure() for writing.%s"), $interface, "\n"));
3587
		return 1;
3588
	}
3589

    
3590
	if ($wancfg['dhcphostname']) {
3591
		$dhclientconf_hostname = "send dhcp-client-identifier \"{$wancfg['dhcphostname']}\";\n";
3592
		$dhclientconf_hostname .= "\tsend host-name \"{$wancfg['dhcphostname']}\";\n";
3593
	} else {
3594
		$dhclientconf_hostname = "";
3595
	}
3596

    
3597
	$wanif = get_real_interface($interface);
3598
	if (empty($wanif)) {
3599
		log_error(sprintf(gettext("Invalid interface \"%s\" in interface_dhcp_configure()"), $interface));
3600
		return 0;
3601
	}
3602
	$dhclientconf = "";
3603

    
3604
	$dhclientconf .= <<<EOD
3605
interface "{$wanif}" {
3606
timeout 60;
3607
retry 15;
3608
select-timeout 0;
3609
initial-interval 1;
3610
	{$dhclientconf_hostname}
3611
	script "/sbin/dhclient-script";
3612
}
3613

    
3614
EOD;
3615

    
3616
if(is_ipaddr($wancfg['alias-address'])) {
3617
	$subnetmask = gen_subnet_mask($wancfg['alias-subnet']);
3618
	$dhclientconf .= <<<EOD
3619
alias {
3620
	interface  "{$wanif}";
3621
	fixed-address {$wancfg['alias-address']};
3622
	option subnet-mask {$subnetmask};
3623
}
3624

    
3625
EOD;
3626
}
3627
	fwrite($fd, $dhclientconf);
3628
	fclose($fd);
3629

    
3630
	/* bring wan interface up before starting dhclient */
3631
	if($wanif)
3632
		interfaces_bring_up($wanif);
3633
	else
3634
		log_error(printf(gettext("Could not bring up %s interface in interface_dhcp_configure()"), $wanif));
3635

    
3636
	/* fire up dhclient */
3637
	mwexec("/sbin/dhclient -c {$g['varetc_path']}/dhclient_{$interface}.conf {$wanif} > {$g['tmp_path']}/{$wanif}_output 2> {$g['tmp_path']}/{$wanif}_error_output");
3638

    
3639
	return 0;
3640
}
3641

    
3642
function interfaces_group_setup() {
3643
	global $config;
3644

    
3645
	if (!is_array($config['ifgroups']['ifgroupentry']))
3646
		return;
3647

    
3648
	foreach ($config['ifgroups']['ifgroupentry'] as $groupar)
3649
		interface_group_setup($groupar);
3650

    
3651
	return;
3652
}
3653

    
3654
function interface_group_setup(&$groupname /* The parameter is an array */) {
3655
	global $config;
3656

    
3657
	if (!is_array($groupname))
3658
		return;
3659
	$members = explode(" ", $groupname['members']);
3660
	foreach($members as $ifs) {
3661
		$realif = get_real_interface($ifs);
3662
		if ($realif)
3663
			mwexec("/sbin/ifconfig {$realif} group {$groupname['ifname']}");
3664
	}
3665

    
3666
	return;
3667
}
3668

    
3669
function is_interface_group($if) {
3670
	global $config;
3671

    
3672
	if (is_array($config['ifgroups']['ifgroupentry']))
3673
		foreach ($config['ifgroups']['ifgroupentry'] as $groupentry) {
3674
			if ($groupentry['ifname'] === $if)
3675
				return true;
3676
		}
3677

    
3678
	return false;
3679
}
3680

    
3681
function interface_group_add_member($interface, $groupname) {
3682
	$interface = get_real_interface($interface);
3683
	mwexec("/sbin/ifconfig {$interface} group {$groupname}", true);
3684
}
3685

    
3686
/* COMPAT Function */
3687
function convert_friendly_interface_to_real_interface_name($interface) {
3688
	return get_real_interface($interface);
3689
}
3690

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

    
3696
/* COMPAT Function */
3697
function get_current_wan_address($interface = "wan") {
3698
	return get_interface_ip($interface);
3699
}
3700

    
3701
/*
3702
 * convert_real_interface_to_friendly_interface_name($interface): convert fxp0 -> wan, etc.
3703
 */
3704
function convert_real_interface_to_friendly_interface_name($interface = "wan") {
3705
	global $config;
3706

    
3707
	if (stristr($interface, "_vip")) {
3708
		foreach ($config['virtualip']['vip'] as $counter => $vip) {
3709
			if ($vip['mode'] == "carp")  {
3710
				if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3711
					return $vip['interface'];
3712
			}
3713
		}
3714
	}
3715

    
3716
	/* XXX: For speed reasons reference directly the interface array */
3717
	$ifdescrs = &$config['interfaces'];
3718
	//$ifdescrs = get_configured_interface_list(false, true);
3719

    
3720
	if (strstr($interface, "_stf"))
3721
		$interface = str_replace("_stf", "", $interface);
3722

    
3723
	foreach ($ifdescrs as $if => $ifname) {
3724
		if ($if == $interface || $config['interfaces'][$if]['if'] == $interface)
3725
			return $if;
3726

    
3727
		if (stristr($interface, "_wlan0") && $config['interfaces'][$if]['if'] == interface_get_wireless_base($interface))
3728
			return $if;
3729

    
3730
		// XXX: This case doesn't work anymore (segfaults - recursion?) - should be replaced with something else or just removed.
3731
		//      Not to be replaced with get_real_interface - causes slow interface listings here because of recursion!
3732
		/*
3733
		$int = get_parent_interface($if);
3734
		if ($int[0] == $interface)
3735
			return $ifname;
3736
		 */
3737
	}
3738

    
3739
	return NULL;
3740
}
3741

    
3742
/* attempt to resolve interface to friendly descr */
3743
function convert_friendly_interface_to_friendly_descr($interface) {
3744
	global $config;
3745

    
3746
	switch ($interface) {
3747
	case "l2tp":
3748
		$ifdesc = "L2TP";
3749
		break;
3750
	case "pptp":
3751
		$ifdesc = "PPTP";
3752
		break;
3753
	case "pppoe":
3754
		$ifdesc = "PPPoE";
3755
		break;
3756
	case "openvpn":
3757
		$ifdesc = "OpenVPN";
3758
		break;
3759
	case "enc0":
3760
	case "ipsec":
3761
		$ifdesc = "IPsec";
3762
		break;
3763
	default:
3764
		if (isset($config['interfaces'][$interface])) {
3765
			if (empty($config['interfaces'][$interface]['descr']))
3766
				$ifdesc = strtoupper($interface);
3767
			else
3768
				$ifdesc = strtoupper($config['interfaces'][$interface]['descr']);
3769
			break;
3770
		} else if (stristr($interface, "_vip")) {
3771
			if (is_array($config['virtualip']['vip'])) {
3772
				foreach ($config['virtualip']['vip'] as $counter => $vip) {
3773
					if ($vip['mode'] == "carp")  {
3774
						if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3775
							return "{$vip['subnet']} - {$vip['descr']}";
3776
					}
3777
				}
3778
			}
3779
		} else {
3780
			/* if list */
3781
			$ifdescrs = get_configured_interface_with_descr(false, true);
3782
			foreach ($ifdescrs as $if => $ifname) {
3783
				if ($if == $interface || $ifname == $interface)
3784
					return $ifname;
3785
			}
3786
		}
3787
		break;
3788
	}
3789

    
3790
	return $ifdesc;
3791
}
3792

    
3793
function convert_real_interface_to_friendly_descr($interface) {
3794
	global $config;
3795

    
3796
	$ifdesc = convert_real_interface_to_friendly_interface_name("{$interface}");
3797

    
3798
	if ($ifdesc) {
3799
		$iflist = get_configured_interface_with_descr(false, true);
3800
		return $iflist[$ifdesc];
3801
	}
3802

    
3803
	return $interface;
3804
}
3805

    
3806
/*
3807
 *  get_parent_interface($interface):
3808
 *			--returns the (real or virtual) parent interface(s) array for a given interface friendly name (i.e. wan)
3809
 *				or virtual interface (i.e. vlan)
3810
 *				(We need array because MLPPP and bridge interfaces have more than one parent.)
3811
 *			-- returns $interface passed in if $interface parent is not found
3812
 *			-- returns empty array if an invalid interface is passed
3813
 *	(Only handles ppps and vlans now.)
3814
 */
3815
function get_parent_interface($interface) {
3816
	global $config;
3817

    
3818
	$parents = array();
3819
	//Check that we got a valid interface passed
3820
	$realif = get_real_interface($interface);
3821
	if ($realif == NULL)
3822
		return $parents;
3823

    
3824
	// If we got a real interface, find it's friendly assigned name
3825
	$interface = convert_real_interface_to_friendly_interface_name($interface);
3826

    
3827
	if (!empty($interface) && isset($config['interfaces'][$interface])) {
3828
		$ifcfg = $config['interfaces'][$interface];
3829
		switch ($ifcfg['ipaddr']) {
3830
			case "ppp":
3831
			case "pppoe":
3832
			case "pptp":
3833
			case "l2tp":
3834
				if (empty($parents))
3835
					if (is_array($config['ppps']['ppp']))
3836
						foreach ($config['ppps']['ppp'] as $pppidx => $ppp) {
3837
							if ($ifcfg['if'] == $ppp['if']) {
3838
								$ports = explode(',', $ppp['ports']);
3839
								foreach ($ports as $pid => $parent_if)
3840
									$parents[$pid] = get_real_interface($parent_if);
3841
								break;
3842
							}
3843
						}
3844
				break;
3845
			case "dhcp":
3846
			case "static":
3847
			default:
3848
				// Handle _vlans
3849
				if (stristr($realif,"_vlan"))
3850
					if (is_array($config['vlans']['vlan']))
3851
						foreach ($config['vlans']['vlan'] as $vlanidx => $vlan)
3852
							if ($ifcfg['if'] == $vlan['vlanif']){
3853
								$parents[0] = $vlan['if'];
3854
								break;
3855
							}
3856
				break;
3857
		}
3858
	}
3859

    
3860
	if (empty($parents))
3861
		$parents[0] = $realif;
3862

    
3863
	return $parents;
3864
}
3865

    
3866
function interface_is_wireless_clone($wlif) {
3867
	if(!stristr($wlif, "_wlan")) {
3868
		return false;
3869
	} else {
3870
		return true;
3871
	}
3872
}
3873

    
3874
function interface_get_wireless_base($wlif) {
3875
	if(!stristr($wlif, "_wlan")) {
3876
		return $wlif;
3877
	} else {
3878
		return substr($wlif, 0, stripos($wlif, "_wlan"));
3879
	}
3880
}
3881

    
3882
function interface_get_wireless_clone($wlif) {
3883
	if(!stristr($wlif, "_wlan")) {
3884
		return $wlif . "_wlan0";
3885
	} else {
3886
		return $wlif;
3887
	}
3888
}
3889

    
3890
function get_real_interface($interface = "wan", $family = "all") {
3891
	global $config, $g;
3892

    
3893
	$wanif = NULL;
3894

    
3895
	switch ($interface) {
3896
	case "l2tp":
3897
		$wanif = "l2tp";
3898
		break;
3899
	case "pptp":
3900
		$wanif = "pptp";
3901
		break;
3902
	case "pppoe":
3903
		$wanif = "pppoe";
3904
		break;
3905
	case "openvpn":
3906
		$wanif = "openvpn";
3907
		break;
3908
	case "ipsec":
3909
	case "enc0":
3910
		$wanif = "enc0";
3911
		break;
3912
	case "ppp":
3913
		$wanif = "ppp";
3914
		break;
3915
	default:
3916
		// If a real interface was alread passed simply
3917
		// pass the real interface back.  This encourages
3918
		// the usage of this function in more cases so that
3919
		// we can combine logic for more flexibility.
3920
		if(does_interface_exist($interface)) {
3921
			$wanif = $interface;
3922
			break;
3923
		}
3924

    
3925
		if (empty($config['interfaces'][$interface]))
3926
			break;
3927

    
3928
		$cfg = &$config['interfaces'][$interface];
3929

    
3930
		if ($family == "inet6") {
3931
			switch ($cfg['ipaddrv6']) {
3932
			case "6rd":
3933
			case "6to4":
3934
				$wanif = "{$interface}_stf";
3935
				break;
3936
			default:
3937
				if( is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if']))
3938
					$wanif = interface_get_wireless_clone($cfg['if']);
3939
				else
3940
					$wanif = $cfg['if'];
3941
				break;
3942
			}
3943
		} else {
3944
			// Wireless cloned NIC support (FreeBSD 8+)
3945
			// interface name format: $parentnic_wlanparentnic#
3946
			// example: ath0_wlan0
3947
			if( is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if']))
3948
				$wanif = interface_get_wireless_clone($cfg['if']);
3949
			else
3950
				$wanif = $cfg['if'];
3951
		}
3952
		break;
3953
	}
3954

    
3955
	return $wanif;
3956
}
3957

    
3958
/* Guess the physical interface by providing a IP address */
3959
function guess_interface_from_ip($ipaddress) {
3960
	if(! is_ipaddr($ipaddress)) {
3961
		return false;
3962
	}
3963
	if(is_ipaddrv4($ipaddress)) {
3964
		/* create a route table we can search */
3965
		exec("netstat -rnWf inet", $output, $ret);
3966
		foreach($output as $line) {
3967
			if(preg_match("/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\/[0-9]+[ ]+link[#]/", $line)) {
3968
				$fields = preg_split("/[ ]+/", $line);
3969
				if(ip_in_subnet($ipaddress, $fields[0])) {
3970
					return $fields[6];
3971
				}
3972
			}
3973
		}
3974
	}
3975
	/* FIXME: This works from cursory testing, regexp might need fine tuning */
3976
	if(is_ipaddrv6($ipaddress)) {
3977
		/* create a route table we can search */
3978
		exec("netstat -rnWf inet6", $output, $ret);
3979
		foreach($output as $line) {
3980
			if(preg_match("/[0-9a-f]+[:]+[0-9a-f]+[:]+[\/][0-9]+/", $line)) {
3981
				$fields = preg_split("/[ ]+/", $line);
3982
				if(ip_in_subnet($ipaddress, $fields[0])) {
3983
					return $fields[6];
3984
				}
3985
			}
3986
		}
3987
	}
3988
	$ret = exec_command("/sbin/route -n get {$ipaddress} | /usr/bin/awk '/interface/ { print \$2; };'");
3989
	if(empty($ret)) {
3990
		return false;
3991
	}
3992
	return $ret;
3993
}
3994

    
3995
/*
3996
 * find_ip_interface($ip): return the interface where an ip is defined
3997
 *   (or if $bits is specified, where an IP within the subnet is defined)
3998
 */
3999
function find_ip_interface($ip, $bits = null) {
4000
	if (!is_ipaddr($ip))
4001
		return false;
4002
	
4003
	$isv6ip = is_ipaddrv6($ip);
4004
	
4005
	/* if list */
4006
	$ifdescrs = get_configured_interface_list();
4007

    
4008
	foreach ($ifdescrs as $ifdescr => $ifname) {
4009
		$ifip = ($isv6ip) ? get_interface_ipv6($ifname) : get_interface_ip($ifname);
4010
		if (is_null($ifip))
4011
			continue;
4012
		if (is_null($bits)) {
4013
			if ($ip == $ifip) {
4014
				$int = get_real_interface($ifname);
4015
				return $int;
4016
			}
4017
		}
4018
		else {
4019
			if (ip_in_subnet($ifip, $ip . "/" . $bits)) {
4020
				$int = get_real_interface($ifname);
4021
				return $int;
4022
			}
4023
		}
4024
	}
4025

    
4026
	return false;
4027
}
4028

    
4029
/*
4030
 * find_virtual_ip_alias($ip): return the virtual IP alias where an IP is found
4031
 *   (or if $bits is specified, where an IP within the subnet is found)
4032
 */
4033
function find_virtual_ip_alias($ip, $bits = null) {
4034
	global $config;
4035
	
4036
	if (!is_array($config['virtualip']['vip'])) {
4037
		return false;
4038
	}
4039
	if (!is_ipaddr($ip))
4040
		return false;
4041
	
4042
	$isv6ip = is_ipaddrv6($ip);
4043
	
4044
	foreach ($config['virtualip']['vip'] as $vip) {
4045
		if ($vip['mode'] === "ipalias") {
4046
			if (is_ipaddrv6($vip['subnet']) != $isv6ip)
4047
				continue;
4048
			if (is_null($bits)) {
4049
				if (ip_in_subnet($ip, $vip['subnet'] . "/" . $vip['subnet_bits'])) {
4050
					return $vip;
4051
				}
4052
			}
4053
			else {
4054
				if (($isv6ip && check_subnetsv6_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))
4055
					|| (!$isv6ip && check_subnets_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))) {
4056
					return $vip;
4057
				}
4058
			}
4059
		}
4060
	}
4061
	return false;
4062
}
4063

    
4064
/*
4065
 *   find_number_of_created_carp_interfaces: return the number of carp interfaces
4066
 */
4067
function find_number_of_created_carp_interfaces() {
4068
	return `/sbin/ifconfig | grep "carp:" | wc -l`;
4069
}
4070

    
4071
function get_all_carp_interfaces() {
4072
	$ints = str_replace("\n", " ", `ifconfig | grep "carp:" -B2 | grep ": flag" | cut -d: -f1`);
4073
	$ints = explode(" ", $ints);
4074
	return $ints;
4075
}
4076

    
4077
/*
4078
 * find_carp_interface($ip): return the carp interface where an ip is defined
4079
 */
4080
function find_carp_interface($ip) {
4081
	global $config;
4082
	if (is_array($config['virtualip']['vip'])) {
4083
		foreach ($config['virtualip']['vip'] as $vip) {
4084
			if ($vip['mode'] == "carp") {
4085
				if(is_ipaddrv4($ip)) {
4086
					$carp_ip = get_interface_ip($vip['interface']);
4087
				}
4088
				if(is_ipaddrv6($ip)) {
4089
					$carp_ip = get_interface_ipv6($vip['interface']);
4090
				}
4091
				exec("/sbin/ifconfig", $output, $return);
4092
				foreach($output as $line) {
4093
					$elements = preg_split("/[ ]+/i", $line);
4094
					if(strstr($elements[0], "vip"))
4095
						$curif = str_replace(":", "", $elements[0]);
4096
					if(stristr($line, $ip)) {
4097
						$if = $curif;
4098
						continue;
4099
					}
4100
				}
4101

    
4102
				if ($if)
4103
					return $if;
4104
			}
4105
		}
4106
	}
4107
}
4108

    
4109
function link_carp_interface_to_parent($interface) {
4110
	global $config;
4111

    
4112
	if ($interface == "")
4113
		return;
4114

    
4115
	$carp_ip = get_interface_ip($interface);
4116
	$carp_ipv6 = get_interface_ipv6($interface);
4117

    
4118
	if((!is_ipaddrv4($carp_ip)) && (!is_ipaddrv6($carp_ipv6)))
4119
		return;
4120

    
4121
	/* if list */
4122
	$ifdescrs = get_configured_interface_list();
4123
	foreach ($ifdescrs as $ifdescr => $ifname) {
4124
		/* check IPv4 */
4125
		if(is_ipaddrv4($carp_ip)) {
4126
			$interfaceip = get_interface_ip($ifname);
4127
			$subnet_bits = get_interface_subnet($ifname);
4128
			$subnet_ip = gen_subnet("{$interfaceip}", "{$subnet_bits}");
4129
			if(ip_in_subnet($carp_ip, "{$subnet_ip}/{$subnet_bits}"))
4130
				return $ifname;
4131
		}
4132
		/* Check IPv6 */
4133
		if(is_ipaddrv6($carp_ipv6)) {
4134
			$interfaceipv6 = get_interface_ipv6($ifname);
4135
			$prefixlen = get_interface_subnetv6($ifname);
4136
			if(ip_in_subnet($carp_ipv6, "{$interfaceipv6}/{$prefixlen}"))
4137
				return $ifname;
4138
		}
4139
	}
4140
	return "";
4141
}
4142

    
4143

    
4144
/****f* interfaces/link_ip_to_carp_interface
4145
 * NAME
4146
 *   link_ip_to_carp_interface - Find where a CARP interface links to.
4147
 * INPUTS
4148
 *   $ip
4149
 * RESULT
4150
 *   $carp_ints
4151
 ******/
4152
function link_ip_to_carp_interface($ip) {
4153
	global $config;
4154

    
4155
	if (!is_ipaddr($ip))
4156
		return;
4157

    
4158
	$carp_ints = "";
4159
	if (is_array($config['virtualip']['vip'])) {
4160
		$first = 0;
4161
		$carp_int = array();
4162
		foreach ($config['virtualip']['vip'] as $vip) {
4163
			if ($vip['mode'] == "carp") {
4164
				$carp_ip = $vip['subnet'];
4165
				$carp_sn = $vip['subnet_bits'];
4166
				$carp_nw = gen_subnet($carp_ip, $carp_sn);
4167
				if (ip_in_subnet($ip, "{$carp_nw}/{$carp_sn}")) {
4168
					$carp_int[] = "{$vip['interface']}_vip{$vip['vhid']}";
4169
				}
4170
			}
4171
		}
4172
		if (!empty($carp_int))
4173
			$carp_ints = implode(" ", array_unique($carp_int));
4174
	}
4175

    
4176
	return $carp_ints;
4177
}
4178

    
4179
function link_interface_to_track6($int, $action = "") {
4180
	global $config;
4181

    
4182
	if (empty($int))
4183
		return;
4184

    
4185
	if (is_array($config['interfaces'])) {
4186
		$list = array();
4187
		foreach ($config['interfaces'] as $ifname => $ifcfg) {
4188
			if (!isset($ifcfg['enable']))
4189
				continue;
4190
			if (!empty($ifcfg['ipaddrv6']) && $ifcfg['track6-interface'] == $int) {
4191
				if ($action == "update")
4192
					interface_track6_configure($ifname, $ifcfg);
4193
				else if ($action == "")
4194
					$list[$ifname] = $ifcfg;
4195
			}
4196
		}
4197
		return $list;
4198
	}
4199
}
4200

    
4201
function link_interface_to_vlans($int, $action = "") {
4202
	global $config;
4203

    
4204
	if (empty($int))
4205
		return;
4206

    
4207
	if (is_array($config['vlans']['vlan'])) {
4208
		$ifaces = array();
4209
		foreach ($config['vlans']['vlan'] as $vlan) {
4210
			if ($int == $vlan['if']) {
4211
				if ($action == "update") {
4212
					interfaces_bring_up($int);
4213
				} else if ($action == "")
4214
					$ifaces[$vlan['tag']] = $vlan;
4215
			}
4216
		}
4217
		if (!empty($ifaces))
4218
			return $ifaces;
4219
	}
4220
}
4221

    
4222
function link_interface_to_vips($int, $action = "") {
4223
	global $config;
4224

    
4225
	if (is_array($config['virtualip']['vip'])) {
4226
		$result = array();
4227
		foreach ($config['virtualip']['vip'] as $vip) {
4228
			if ($int == $vip['interface']) {
4229
				if ($action == "update")
4230
					interfaces_vips_configure($int);
4231
				else
4232
					$result[] = $vip;
4233
			}
4234
		}
4235
		return $result;
4236
	}
4237
}
4238

    
4239
/****f* interfaces/link_interface_to_bridge
4240
 * NAME
4241
 *   link_interface_to_bridge - Finds out a bridge group for an interface
4242
 * INPUTS
4243
 *   $ip
4244
 * RESULT
4245
 *   bridge[0-99]
4246
 ******/
4247
function link_interface_to_bridge($int) {
4248
	global $config;
4249

    
4250
	if (is_array($config['bridges']['bridged'])) {
4251
		foreach ($config['bridges']['bridged'] as $bridge) {
4252
			if (in_array($int, explode(',', $bridge['members'])))
4253
				return "{$bridge['bridgeif']}";
4254
		}
4255
	}
4256
}
4257

    
4258
function link_interface_to_group($int) {
4259
	global $config;
4260

    
4261
	$result = array();
4262

    
4263
	if (is_array($config['ifgroups']['ifgroupentry'])) {
4264
		foreach ($config['ifgroups']['ifgroupentry'] as $group) {
4265
			if (in_array($int, explode(" ", $group['members'])))
4266
				$result[$group['ifname']] = $int;
4267
		}
4268
	}
4269

    
4270
	return $result;
4271
}
4272

    
4273
function link_interface_to_gre($interface) {
4274
	global $config;
4275

    
4276
	$result = array();
4277

    
4278
	if (is_array($config['gres']['gre'])) {
4279
		foreach ($config['gres']['gre'] as $gre)
4280
			if($gre['if'] == $interface)
4281
				$result[] = $gre;
4282
	}
4283

    
4284
	return $result;
4285
}
4286

    
4287
function link_interface_to_gif($interface) {
4288
	global $config;
4289

    
4290
	$result = array();
4291

    
4292
	if (is_array($config['gifs']['gif'])) {
4293
		foreach ($config['gifs']['gif'] as $gif)
4294
			if($gif['if'] == $interface)
4295
				$result[] = $gif;
4296
	}
4297

    
4298
	return $result;
4299
}
4300

    
4301
/*
4302
 * find_interface_ip($interface): return the interface ip (first found)
4303
 */
4304
function find_interface_ip($interface, $flush = false)
4305
{
4306
	global $interface_ip_arr_cache;
4307
	global $interface_sn_arr_cache;
4308

    
4309
	$interface = str_replace("\n", "", $interface);
4310

    
4311
	if (!does_interface_exist($interface))
4312
		return;
4313

    
4314
	/* Setup IP cache */
4315
	if (!isset($interface_ip_arr_cache[$interface]) or $flush) {
4316
		$ifinfo = pfSense_get_interface_addresses($interface);
4317
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4318
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4319
	}
4320

    
4321
	return $interface_ip_arr_cache[$interface];
4322
}
4323

    
4324
/*
4325
 * find_interface_ipv6($interface): return the interface ip (first found)
4326
 */
4327
function find_interface_ipv6($interface, $flush = false)
4328
{
4329
	global $interface_ipv6_arr_cache;
4330
	global $interface_snv6_arr_cache;
4331
	global $config;
4332

    
4333
	$interface = trim($interface);
4334
	$interface = get_real_interface($interface);
4335

    
4336
	if (!does_interface_exist($interface))
4337
		return;
4338

    
4339
	/* Setup IP cache */
4340
	if (!isset($interface_ipv6_arr_cache[$interface]) or $flush) {
4341
		// FIXME: Add IPv6 support to the pfSense module
4342
		$ifinfo = array();
4343
		exec("/sbin/ifconfig {$interface} inet6", $output);
4344
		foreach($output as $line) {
4345
			if(preg_match("/inet6/", $line)) {
4346
				$parts = explode(" ", $line);
4347
				if(! preg_match("/fe80::/", $parts[1])) {
4348
					$ifinfo['ipaddrv6'] = $parts[1];
4349
					if($parts[2] == "-->") {
4350
						$parts[5] = "126";
4351
						$ifinfo['subnetbitsv6'] = $parts[5];
4352
					} else {
4353
						$ifinfo['subnetbitsv6'] = $parts[3];
4354
					}
4355
					break;
4356
				}
4357
			}
4358
		}
4359
		$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4360
		$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4361
	}
4362

    
4363
	return $interface_ipv6_arr_cache[$interface];
4364
}
4365

    
4366
/*
4367
 * find_interface_ipv6_ll($interface): return the interface ipv6 link local (first found)
4368
 */
4369
function find_interface_ipv6_ll($interface, $flush = false)
4370
{
4371
	global $interface_llv6_arr_cache;
4372
	global $config;
4373

    
4374
	$interface = str_replace("\n", "", $interface);
4375

    
4376
	if (!does_interface_exist($interface))
4377
		return;
4378

    
4379
	/* Setup IP cache */
4380
	if (!isset($interface_llv6_arr_cache[$interface]) or $flush) {
4381
		$ifinfo = pfSense_get_interface_addresses($interface);
4382
		// FIXME: Add IPv6 support to the pfSense module
4383
		exec("/sbin/ifconfig {$interface} inet6", $output);
4384
		foreach($output as $line) {
4385
			if(preg_match("/inet6/", $line)) {
4386
				$parts = explode(" ", $line);
4387
				if(preg_match("/fe80::/", $parts[1])) {
4388
					$partsaddress = explode("%", $parts[1]);
4389
					$ifinfo['linklocal'] = $partsaddress[0];
4390
				}
4391
			}
4392
		}
4393
		$interface_llv6_arr_cache[$interface] = $ifinfo['linklocal'];
4394
	}
4395
	return $interface_llv6_arr_cache[$interface];
4396
}
4397

    
4398
function find_interface_subnet($interface, $flush = false)
4399
{
4400
	global $interface_sn_arr_cache;
4401
	global $interface_ip_arr_cache;
4402

    
4403
	$interface = str_replace("\n", "", $interface);
4404
	if (does_interface_exist($interface) == false)
4405
		return;
4406

    
4407
	if (!isset($interface_sn_arr_cache[$interface]) or $flush) {
4408
		$ifinfo = pfSense_get_interface_addresses($interface);
4409
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4410
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4411
	}
4412

    
4413
	return $interface_sn_arr_cache[$interface];
4414
}
4415

    
4416
function find_interface_subnetv6($interface, $flush = false)
4417
{
4418
	global $interface_snv6_arr_cache;
4419
	global $interface_ipv6_arr_cache;
4420

    
4421
	$interface = str_replace("\n", "", $interface);
4422
	if (does_interface_exist($interface) == false)
4423
		return;
4424

    
4425
	$foundv6 = false;
4426
	if (!isset($interface_snv6_arr_cache[$interface]) or $flush) {
4427
		$ifinfo = pfSense_get_interface_addresses($interface);
4428
		// FIXME: Add IPv6 support to the pfSense module
4429
		unset($output);
4430
		exec("/sbin/ifconfig {$interface} inet6", $output);
4431
		foreach($output as $line) {
4432
			$line = trim($line);
4433
			if(preg_match("/inet6/", $line)) {
4434
				$parts = explode(" ", $line);
4435
				if(! preg_match("/fe80::/", $parts[1])) {
4436
					$ifinfo['ipaddrv6'] = $parts[1];
4437
					if($parts[2] == "-->") {
4438
						$parts[5] = "126";
4439
						$ifinfo['subnetbitsv6'] = $parts[5];
4440
					} else {
4441
						$ifinfo['subnetbitsv6'] = $parts[3];
4442
					}
4443
					$foundv6 = true;
4444
					break;
4445
				}
4446
			}
4447
		}
4448
		if ($foundv6 === true) {
4449
			$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4450
			$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4451
		} else
4452
			unset($interface_ipv6_arr_cache[$interface], $interface_snv6_arr_cache[$interface]);
4453
	}
4454

    
4455
	return $interface_snv6_arr_cache[$interface];
4456
}
4457

    
4458
function ip_in_interface_alias_subnet($interface, $ipalias) {
4459
	global $config;
4460

    
4461
	if (empty($interface) || !is_ipaddr($ipalias))
4462
		return false;
4463
	if (is_array($config['virtualip']['vip'])) {
4464
		foreach ($config['virtualip']['vip'] as $vip) {
4465
			switch ($vip['mode']) {
4466
			case "ipalias":
4467
				if ($vip['interface'] <> $interface)
4468
					break;
4469
				if (ip_in_subnet($ipalias, gen_subnet($vip['subnet'], $vip['subnet_bits']) . "/" . $vip['subnet_bits']))
4470
					return true;
4471
				break;
4472
			}
4473
		}
4474
	}
4475

    
4476
	return false;
4477
}
4478

    
4479
function get_interface_ip($interface = "wan")
4480
{
4481
	$realif = get_failover_interface($interface);
4482
	if (!$realif) {
4483
		if (preg_match("/^carp/i", $interface))
4484
			$realif = $interface;
4485
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4486
			$realif = $interface;
4487
		else
4488
			return null;
4489
	}
4490

    
4491
	$curip = find_interface_ip($realif);
4492
	if ($curip && is_ipaddr($curip) && ($curip != "0.0.0.0"))
4493
		return $curip;
4494
	else
4495
		return null;
4496
}
4497

    
4498
function get_interface_ipv6($interface = "wan", $flush = false)
4499
{
4500
	global $config;
4501

    
4502
	$realif = get_failover_interface($interface, "inet6");
4503
	if (!$realif) {
4504
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4505
			$realif = $interface;
4506
		else
4507
			return null;
4508
	}
4509

    
4510
	$curip = find_interface_ipv6($realif, $flush);
4511
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4512
		return $curip;
4513
	else
4514
		return null;
4515
}
4516

    
4517
function get_interface_linklocal($interface = "wan")
4518
{
4519
	$realif = get_failover_interface($interface);
4520
	if (!$realif) {
4521
		if (preg_match("/^carp/i", $interface))
4522
			$realif = $interface;
4523
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4524
			$realif = $interface;
4525
		else
4526
			return null;
4527
	}
4528

    
4529
	$curip = find_interface_ipv6_ll($realif);
4530
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4531
		return $curip;
4532
	else
4533
		return null;
4534
}
4535

    
4536
function get_interface_subnet($interface = "wan")
4537
{
4538
	$realif = get_real_interface($interface);
4539
	if (!$realif) {
4540
		if (preg_match("/^carp/i", $interface))
4541
			$realif = $interface;
4542
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4543
			$realif = $interface;
4544
		else
4545
			return null;
4546
	}
4547

    
4548
	$cursn = find_interface_subnet($realif);
4549
	if (!empty($cursn))
4550
		return $cursn;
4551

    
4552
	return null;
4553
}
4554

    
4555
function get_interface_subnetv6($interface = "wan")
4556
{
4557
	global $config;
4558

    
4559
	$realif = get_real_interface($interface, "inet6");
4560
	if (!$realif) {
4561
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4562
			$realif = $interface;
4563
		else
4564
			return null;
4565
	}
4566

    
4567
	$cursn = find_interface_subnetv6($realif);
4568
	if (!empty($cursn))
4569
		return $cursn;
4570

    
4571
	return null;
4572
}
4573

    
4574
/* return outside interfaces with a gateway */
4575
function get_interfaces_with_gateway() {
4576
	global $config;
4577

    
4578
	$ints = array();
4579

    
4580
	/* loop interfaces, check config for outbound */
4581
	foreach($config['interfaces'] as $ifdescr => $ifname) {
4582
		switch ($ifname['ipaddr']) {
4583
			case "dhcp":
4584
			case "ppp";
4585
			case "pppoe":
4586
			case "pptp":
4587
			case "l2tp":
4588
			case "ppp";
4589
				$ints[$ifdescr] = $ifdescr;
4590
			break;
4591
			default:
4592
				if (substr($ifname['if'], 0, 4) ==  "ovpn" ||
4593
				    !empty($ifname['gateway']))
4594
					$ints[$ifdescr] = $ifdescr;
4595
			break;
4596
		}
4597
	}
4598
	return $ints;
4599
}
4600

    
4601
/* return true if interface has a gateway */
4602
function interface_has_gateway($friendly) {
4603
	global $config;
4604

    
4605
	if (!empty($config['interfaces'][$friendly])) {
4606
		$ifname = &$config['interfaces'][$friendly];
4607
		switch ($ifname['ipaddr']) {
4608
			case "dhcp":
4609
			case "pppoe":
4610
			case "pptp":
4611
			case "l2tp":
4612
			case "ppp";
4613
				return true;
4614
			break;
4615
			default:
4616
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4617
					return true;
4618
				if (!empty($ifname['gateway']))
4619
					return true;
4620
			break;
4621
		}
4622
	}
4623

    
4624
	return false;
4625
}
4626

    
4627
/* return true if interface has a gateway */
4628
function interface_has_gatewayv6($friendly) {
4629
	global $config;
4630

    
4631
	if (!empty($config['interfaces'][$friendly])) {
4632
		$ifname = &$config['interfaces'][$friendly];
4633
		switch ($ifname['ipaddrv6']) {
4634
			case "slaac":
4635
			case "dhcp6":
4636
			case "6to4":
4637
			case "6rd":
4638
				return true;
4639
				break;
4640
			default:
4641
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4642
					return true;
4643
				if (!empty($ifname['gatewayv6']))
4644
					return true;
4645
				break;
4646
		}
4647
	}
4648

    
4649
	return false;
4650
}
4651

    
4652
/****f* interfaces/is_altq_capable
4653
 * NAME
4654
 *   is_altq_capable - Test if interface is capable of using ALTQ
4655
 * INPUTS
4656
 *   $int            - string containing interface name
4657
 * RESULT
4658
 *   boolean         - true or false
4659
 ******/
4660

    
4661
function is_altq_capable($int) {
4662
	/* Per:
4663
	 * http://www.freebsd.org/cgi/man.cgi?query=altq&manpath=FreeBSD+7.2-current&format=html
4664
	 * Only the following drivers have ALTQ support
4665
	 */
4666
	$capable = array("age", "alc", "ale", "an", "ath", "aue", "awi", "bce",
4667
			"bfe", "bge", "bridge", "cas", "dc", "de", "ed", "em", "ep", "fxp", "gem",
4668
			"hme", "igb", "ipw", "iwi", "jme", "le", "lem", "msk", "mxge", "my", "nfe",
4669
			"npe", "nve", "ral", "re", "rl", "rum", "run", "bwn", "sf", "sis", "sk",
4670
			"ste", "stge", "txp", "udav", "ural", "vge", "vr", "wi", "xl",
4671
			"ndis", "tun", "ovpns", "ovpnc", "vlan", "pppoe", "pptp", "ng",
4672
			"l2tp", "ppp", "vtnet");
4673

    
4674
	$int_family = remove_ifindex($int);
4675

    
4676
	if (in_array($int_family, $capable))
4677
		return true;
4678
	else if (stristr($int, "l2tp")) /* VLANs are name $parent_$vlan now */
4679
		return true;
4680
	else if (stristr($int, "_vlan")) /* VLANs are name $parent_$vlan now */
4681
		return true;
4682
	else if (stristr($int, "_wlan")) /* WLANs are name $parent_$wlan now */
4683
		return true;
4684
	else
4685
		return false;
4686
}
4687

    
4688
/****f* interfaces/is_interface_wireless
4689
 * NAME
4690
 *   is_interface_wireless - Returns if an interface is wireless
4691
 * RESULT
4692
 *   $tmp       - Returns if an interface is wireless
4693
 ******/
4694
function is_interface_wireless($interface) {
4695
	global $config, $g;
4696

    
4697
	$friendly = convert_real_interface_to_friendly_interface_name($interface);
4698
	if(!isset($config['interfaces'][$friendly]['wireless'])) {
4699
		if (preg_match($g['wireless_regex'], $interface)) {
4700
			if (isset($config['interfaces'][$friendly]))
4701
				$config['interfaces'][$friendly]['wireless'] = array();
4702
			return true;
4703
		}
4704
		return false;
4705
	} else
4706
		return true;
4707
}
4708

    
4709
function get_wireless_modes($interface) {
4710
	/* return wireless modes and channels */
4711
	$wireless_modes = array();
4712

    
4713
	$cloned_interface = get_real_interface($interface);
4714

    
4715
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4716
		$chan_list = "/sbin/ifconfig {$cloned_interface} list chan";
4717
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4718
		$format_list = "/usr/bin/awk '{print \$5 \" \" \$6 \",\" \$1}'";
4719

    
4720
		$interface_channels = "";
4721
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4722
		$interface_channel_count = count($interface_channels);
4723

    
4724
		$c = 0;
4725
		while ($c < $interface_channel_count)
4726
		{
4727
			$channel_line = explode(",", $interface_channels["$c"]);
4728
			$wireless_mode = trim($channel_line[0]);
4729
			$wireless_channel = trim($channel_line[1]);
4730
			if(trim($wireless_mode) != "") {
4731
				/* if we only have 11g also set 11b channels */
4732
				if($wireless_mode == "11g") {
4733
					if(!isset($wireless_modes["11b"]))
4734
						$wireless_modes["11b"] = array();
4735
				} else if($wireless_mode == "11g ht") {
4736
					if(!isset($wireless_modes["11b"]))
4737
						$wireless_modes["11b"] = array();
4738
					if(!isset($wireless_modes["11g"]))
4739
						$wireless_modes["11g"] = array();
4740
					$wireless_mode = "11ng";
4741
				} else if($wireless_mode == "11a ht") {
4742
					if(!isset($wireless_modes["11a"]))
4743
						$wireless_modes["11a"] = array();
4744
					$wireless_mode = "11na";
4745
				}
4746
				$wireless_modes["$wireless_mode"]["$c"] = $wireless_channel;
4747
			}
4748
			$c++;
4749
		}
4750
	}
4751
	return($wireless_modes);
4752
}
4753

    
4754
/* return channel numbers, frequency, max txpower, and max regulation txpower */
4755
function get_wireless_channel_info($interface) {
4756
	$wireless_channels = array();
4757

    
4758
	$cloned_interface = get_real_interface($interface);
4759

    
4760
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4761
		$chan_list = "/sbin/ifconfig {$cloned_interface} list txpower";
4762
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4763
		$format_list = "/usr/bin/awk '{print \$1 \",\" \$3 \" \" \$4 \",\" \$5 \",\" \$7}'";
4764

    
4765
		$interface_channels = "";
4766
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4767

    
4768
		foreach ($interface_channels as $channel_line) {
4769
			$channel_line = explode(",", $channel_line);
4770
			if(!isset($wireless_channels[$channel_line[0]]))
4771
				$wireless_channels[$channel_line[0]] = $channel_line;
4772
		}
4773
	}
4774
	return($wireless_channels);
4775
}
4776

    
4777
/****f* interfaces/get_interface_mtu
4778
 * NAME
4779
 *   get_interface_mtu - Return the mtu of an interface
4780
 * RESULT
4781
 *   $tmp       - Returns the mtu of an interface
4782
 ******/
4783
function get_interface_mtu($interface) {
4784
	$mtu = pfSense_get_interface_addresses($interface);
4785
	return $mtu['mtu'];
4786
}
4787

    
4788
function get_interface_mac($interface) {
4789

    
4790
	$macinfo = pfSense_get_interface_addresses($interface);
4791
	return $macinfo["macaddr"];
4792
}
4793

    
4794
/****f* pfsense-utils/generate_random_mac_address
4795
 * NAME
4796
 *   generate_random_mac - generates a random mac address
4797
 * INPUTS
4798
 *   none
4799
 * RESULT
4800
 *   $mac - a random mac address
4801
 ******/
4802
function generate_random_mac_address() {
4803
	$mac = "02";
4804
	for($x=0; $x<5; $x++)
4805
		$mac .= ":" . dechex(rand(16, 255));
4806
	return $mac;
4807
}
4808

    
4809
/****f* interfaces/is_jumbo_capable
4810
 * NAME
4811
 *   is_jumbo_capable - Test if interface is jumbo frame capable.  Useful for determining VLAN capability.
4812
 * INPUTS
4813
 *   $int             - string containing interface name
4814
 * RESULT
4815
 *   boolean          - true or false
4816
 ******/
4817
function is_jumbo_capable($iface) {
4818
	$iface = trim($iface);
4819
	$capable = pfSense_get_interface_addresses($iface);
4820

    
4821
	if (isset($capable['caps']['vlanmtu']))
4822
		return true;
4823

    
4824
	return false;
4825
}
4826

    
4827
function interface_setup_pppoe_reset_file($pppif, $iface="") {
4828
	global $g;
4829

    
4830
	$cron_file = "{$g['varetc_path']}/pppoe_restart_{$pppif}";
4831

    
4832
	if(!empty($iface) && !empty($pppif)){
4833
		$cron_cmd = <<<EOD
4834
#!/bin/sh
4835
/usr/local/sbin/pfSctl -c 'interface reload {$iface}'
4836
/usr/bin/logger -t {$pppif} "PPPoE periodic reset executed on {$iface}"
4837

    
4838
EOD;
4839

    
4840
		@file_put_contents($cron_file, $cron_cmd);
4841
		chmod($cron_file, 0755);
4842
		sigkillbypid("{$g['varrun_path']}/cron.pid", "HUP");
4843
	} else
4844
		unlink_if_exists($cron_file);
4845
}
4846

    
4847
function get_interface_default_mtu($type = "ethernet") {
4848
	switch ($type) {
4849
	case "gre":
4850
		return 1476;
4851
		break;
4852
	case "gif":
4853
		return 1280;
4854
		break;
4855
	case "tun":
4856
	case "vlan":
4857
	case "tap":
4858
	case "ethernet":
4859
	default:
4860
		return 1500;
4861
		break;
4862
	}
4863

    
4864
	/* Never reached */
4865
	return 1500;
4866
}
4867

    
4868
function get_vip_descr($ipaddress) {
4869
	global $config;
4870

    
4871
	foreach ($config['virtualip']['vip'] as $vip) {
4872
		if ($vip['subnet'] == $ipaddress) {
4873
			return ($vip['descr']);
4874
		}
4875
	}
4876
	return "";
4877
}
4878

    
4879
function interfaces_staticarp_configure($if) {
4880
	global $config, $g;
4881
	if(isset($config['system']['developerspew'])) {
4882
		$mt = microtime();
4883
		echo "interfaces_staticarp_configure($if) being called $mt\n";
4884
	}
4885

    
4886
	$ifcfg = $config['interfaces'][$if];
4887

    
4888
	if (empty($if) || empty($ifcfg['if']) || !isset($ifcfg['enable']))
4889
		return 0;
4890

    
4891
	/* Enable staticarp, if enabled */
4892
	if(isset($config['dhcpd'][$if]['staticarp'])) {
4893
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " staticarp " );
4894
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4895
		if (is_array($config['dhcpd'][$if]['staticmap'])) {
4896

    
4897
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4898
				mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4899

    
4900
			}
4901

    
4902
		}
4903
	} else {
4904
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " -staticarp " );
4905
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4906
		if (is_array($config['dhcpd'][$if]['staticmap'])) {
4907
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4908
				if (isset($arpent['arp_table_static_entry'])) {
4909
					mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4910
				}
4911
			}
4912
		}
4913
	}
4914

    
4915
	return 0;
4916
}
4917

    
4918
function get_failover_interface($interface, $family = "all") {
4919
	global $config;
4920
	/* shortcut to get_real_interface if we find it in the config */
4921
	if(is_array($config['interfaces'][$interface])) {
4922
		$wanif = get_real_interface($interface, $family);
4923
		return $wanif;
4924
	}
4925

    
4926
	/* compare against gateway groups */
4927
	$a_groups = return_gateway_groups_array();
4928
	if(is_array($a_groups[$interface])) {
4929
		/* we found a gateway group, fetch the interface or vip */
4930
		if($a_groups[$interface][0]['vip'] <> "")
4931
			$wanif = $a_groups[$interface][0]['vip'];
4932
		else
4933
			$wanif = $a_groups[$interface][0]['int'];
4934

    
4935
		return $wanif;
4936
	}
4937
	/* fall through to get_real_interface */
4938
	$wanif = get_real_interface($interface, $family);
4939
	return $wanif;
4940
}
4941

    
4942
function remove_ifindex($ifname) {
4943
	return preg_replace("/[0-9]+$/", "", $ifname);
4944
}
4945

    
4946
?>
(25-25/66)