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

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

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

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

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

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

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

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

    
42
*/
43

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

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

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

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

    
68
	return $interface_arr_cache;
69
}
70

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

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

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

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

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

    
98

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

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

    
124
	return false;
125
}
126

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
267
	interfaces_bring_up($vlanif);
268

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

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

    
275
	return $vlanif;
276
}
277

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

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

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

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

    
298
	$vlanif = interface_vlan_configure($vlan);
299

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

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

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

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

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

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

    
351
	return $vlanif;
352
}
353

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

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

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

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

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

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

    
394
	return $vlanif;
395
}
396

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

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

    
403
	$iflist = get_configured_interface_list();
404

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

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

    
424
}
425

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

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

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

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

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

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

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

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

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

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

    
533
	$checklist = get_configured_interface_list();
534

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
754
	$checklist = get_interface_list();
755

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

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

    
768
	interfaces_bring_up($laggif);
769

    
770
	return $laggif;
771
}
772

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

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

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

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

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

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

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

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

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

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

    
844
	return $greif;
845
}
846

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

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

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

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

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

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

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

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

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

    
938

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

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

    
951
	return $gifif;
952
}
953

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

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

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

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

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

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

    
972
	interfaces_qinq_configure();
973

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

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

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

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

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

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

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

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

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

    
1030
		interface_configure($if, $reload);
1031

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

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

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

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

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

    
1051
		interface_configure($if, $reload);
1052

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

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

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

    
1066
		interface_configure($if, $reload);
1067

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

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

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

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

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

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

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

    
1093
	return 0;
1094
}
1095

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1267
	return;
1268
}
1269

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

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

    
1278
	return false;
1279
}
1280

    
1281
function interfaces_ptpid_next() {
1282

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

    
1287
	return $ptpid;
1288
}
1289

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

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

    
1301
	return NULL;
1302
}
1303

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

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

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

    
1313
	$itemhash = getMPDCRONSettings($pppif);
1314

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1574
EOD;
1575

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

    
1580
EOD;
1581

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

    
1589
EOD;
1590

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

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

    
1601
EOD;
1602

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

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

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

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

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

    
1629
EOD;
1630

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

    
1635
EOD;
1636

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

    
1641
EOD;
1642

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

    
1648
EOD;
1649

    
1650

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

    
1655
EOD;
1656

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

    
1662
EOD;
1663

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

    
1668
EOD;
1669

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

    
1674
EOD;
1675

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

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

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

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

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

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

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

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

    
1733
EOD;
1734

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

    
1740
EOD;
1741
		}
1742

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

    
1746

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

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

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

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

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

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

    
1821
	return 1;
1822
}
1823

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

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

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

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

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

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

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

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

    
1870
		sleep(1);
1871

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2118
	interfaces_bring_up($vipif);
2119

    
2120
	return $vipif;
2121
}
2122

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2481
EOD;
2482

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

    
2489
EOD;
2490

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

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

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

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

    
2518
			}
2519
			break;
2520
	}
2521

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2662

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

    
2667
	return 0;
2668

    
2669
}
2670

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

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

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

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

    
2688
	return intval($pid);
2689
}
2690

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

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

    
2699
	return intval($pid);
2700
}
2701

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

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

    
2718
	return $mtu;
2719
}
2720

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
3020
	unset($vlanifs);
3021

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

    
3025
	interface_netgraph_needed($interface);
3026

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

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

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

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

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

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

    
3055
		if ($reloadall == true) {
3056

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

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

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

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

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

    
3074
	return 0;
3075
}
3076

    
3077
function interface_track6_configure($interface = "lan", $wancfg) {
3078
	global $config, $g;
3079

    
3080
	if (!is_array($wancfg))
3081
		return;
3082

    
3083
	if (!isset($wancfg['enable']))
3084
		return;
3085

    
3086
	/* If the interface is not configured via another, exit */
3087
	if (empty($wancfg['track6-interface']))
3088
		return;
3089

    
3090
	/* always configure a link-local of fe80::1:1 on the track6 interfaces */
3091
	$realif = get_real_interface($interface);
3092
	$linklocal = find_interface_ipv6_ll($realif);
3093
	if (!empty($linklocal))
3094
		mwexec("/sbin/ifconfig {$realif} inet6 {$linklocal} delete");
3095
	mwexec("/sbin/ifconfig {$realif} inet6 fe80::1:1%{$realif}");
3096

    
3097
	$trackcfg = $config['interfaces'][$wancfg['track6-interface']];
3098
	if (!isset($trackcfg['enable'])) {
3099
		log_error("Interface {$interface} tracking non-existant interface {$wancfg['track6-interface']}");
3100
		return;
3101
	}
3102

    
3103
	switch($trackcfg['ipaddrv6']) {
3104
	case "6to4":
3105
		if ($g['debug'])
3106
			log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3107
		interface_track6_6to4_configure($interface, $wancfg);
3108
		break;
3109
	case "6rd":
3110
		if ($g['debug'])
3111
			log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3112
		interface_track6_6rd_configure($interface, $wancfg);
3113
		break;
3114
	case "dhcp6":
3115
		if ($g['debug'])
3116
			log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3117
		interface_track6_dhcp6_configure($interface, $wancfg);
3118
		break;
3119
	}
3120

    
3121
	if (!$g['booting']) {
3122
		if (!function_exists('services_dhcpd_configure'))
3123
			require_once("services.inc");
3124

    
3125
		services_dhcpd_configure("inet6");
3126
	}
3127

    
3128
	return 0;
3129
}
3130

    
3131
function interface_track6_6rd_configure($interface = "lan", $lancfg) {
3132
	global $config, $g;
3133
	global $interface_ipv6_arr_cache;
3134
        global $interface_snv6_arr_cache;
3135

    
3136
	if (!is_array($lancfg))
3137
		return;
3138

    
3139
	/* If the interface is not configured via another, exit */
3140
	if (empty($lancfg['track6-interface']))
3141
		return;
3142

    
3143
	if (!is_numeric($lancfg['track6-prefix-id']))
3144
		$lancfg['track6-prefix-id'] = 0;
3145

    
3146
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3147
	if (empty($wancfg)) {
3148
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3149
		return;
3150
	}
3151

    
3152
	$ip4address = get_interface_ip($lancfg['track6-interface']);
3153
	if (!is_ipaddrv4($ip4address)) { /* XXX: This should not be needed by 6rd || (is_private_ip($ip4address))) { */
3154
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$lancfg['track6-interface']}' is not public, not configuring 6RD tunnel");
3155
		return;
3156
	}
3157
	$hexwanv4 = return_hex_ipv4($ip4address);
3158

    
3159
	/* create the long prefix notation for math, save the prefix length */
3160
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3161
	$rd6prefixlen = $rd6prefix[1];
3162
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3163

    
3164
	/* binary presentation of the prefix for all 128 bits. */
3165
	$rd6lanbin = convert_ipv6_to_128bit($rd6prefix);
3166

    
3167
	/* just save the left prefix length bits */
3168
	$rd6lanbin = substr($rd6lanbin, 0, $rd6prefixlen);
3169
	/* add the v4 address, offset n bits from the left */
3170
	$rd6lanbin .= substr(sprintf("%032b", hexdec($hexwanv4)), (0 + $wancfg['prefix-6rd-v4plen']), 32);
3171

    
3172
	/* add the custom prefix id, max 32bits long? (64 bits - (prefixlen + (32 - v4plen)) */
3173
	/* 64 - (37 + (32 - 17)) = 8 == /52 */
3174
	$restbits = 64 - ($rd6prefixlen + (32 - $wancfg['prefix-6rd-v4plen']));
3175
	// echo "64 - (prefixlen {$rd6prefixlen} + v4len (32 - {$wancfg['prefix-6rd-v4plen']})) = {$restbits} \n";
3176
	$rd6lanbin .= substr(sprintf("%032b", str_pad($lancfg['track6-prefix-id'], 32, "0", STR_PAD_LEFT)), (32 - $restbits), 32);
3177
	/* fill the rest out with zeros */
3178
	$rd6lanbin = str_pad($rd6lanbin, 128, "0", STR_PAD_RIGHT);;
3179

    
3180
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3181
	$rd6lan = convert_128bit_to_ipv6($rd6lanbin) ."1";
3182

    
3183
	$lanif = get_real_interface($interface);
3184
	$oip = find_interface_ipv6($lanif);
3185
	if (is_ipaddrv6($oip))
3186
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3187
	unset($interface_ipv6_arr_cache[$lanif]);
3188
	unset($interface_snv6_arr_cache[$lanif]);
3189
	log_error("rd6 {$interface} with ipv6 address {$rd6lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3190
	mwexec("/sbin/ifconfig {$lanif} inet6 {$rd6lan} prefixlen 64");
3191

    
3192
	return 0;
3193
}
3194

    
3195
function interface_track6_6to4_configure($interface = "lan", $lancfg) {
3196
	global $config, $g;
3197
	global $interface_ipv6_arr_cache;
3198
        global $interface_snv6_arr_cache;
3199

    
3200
	if (!is_array($lancfg))
3201
		return;
3202

    
3203
	/* If the interface is not configured via another, exit */
3204
	if (empty($lancfg['track6-interface']))
3205
		return;
3206

    
3207
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3208
	if (empty($wancfg)) {
3209
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3210
		return;
3211
	}
3212

    
3213
	if (!is_numeric($lancfg['track6-prefix-id']))
3214
		$lancfg['track6-prefix-id'] = 0;
3215

    
3216
	$ip4address = get_interface_ip($lancfg['track6-interface']);
3217
	if (!is_ipaddrv4($ip4address) || is_private_ip($ip4address)) {
3218
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$lancfg['track6-interface']}' is not public, not configuring 6RD tunnel");
3219
		return;
3220
	}
3221
	$hexwanv4 = return_hex_ipv4($ip4address);
3222

    
3223
	/* create the long prefix notation for math, save the prefix length */
3224
	$sixto4prefix = "2002::";
3225
	$sixto4prefixlen = 16;
3226
	$sixto4prefix = Net_IPv6::uncompress($sixto4prefix);
3227

    
3228
	/* binary presentation of the prefix for all 128 bits. */
3229
	$sixto4lanbin = convert_ipv6_to_128bit($sixto4prefix);
3230

    
3231
	/* just save the left prefix length bits */
3232
	$sixto4lanbin = substr($sixto4lanbin, 0, $sixto4prefixlen);
3233
	/* add the v4 address */
3234
	$sixto4lanbin .= sprintf("%032b", hexdec($hexwanv4));
3235
	/* add the custom prefix id */
3236
	$sixto4lanbin .= sprintf("%016b", $lancfg['track6-prefix-id']);
3237
	/* fill the rest out with zeros */
3238
	$sixto4lanbin = str_pad($sixto4lanbin, 128, "0", STR_PAD_RIGHT);;
3239

    
3240
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3241
	$sixto4lan = convert_128bit_to_ipv6($sixto4lanbin) ."1";
3242

    
3243
	$lanif = get_real_interface($interface);
3244
	$oip = find_interface_ipv6($lanif);
3245
	if (is_ipaddrv6($oip))
3246
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3247
	unset($interface_ipv6_arr_cache[$lanif]);
3248
	unset($interface_snv6_arr_cache[$lanif]);
3249
	log_error("sixto4 {$interface} with ipv6 address {$sixto4lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3250
	mwexec("/sbin/ifconfig {$lanif} inet6 {$sixto4lan} prefixlen 64");
3251

    
3252
	return 0;
3253
}
3254

    
3255
function interface_track6_dhcp6_configure($interface = "lan", $lancfg) {
3256
	global $config, $g;
3257
	global $interface_ipv6_arr_cache;
3258
        global $interface_snv6_arr_cache;
3259

    
3260
	if (!is_array($lancfg))
3261
		return;
3262

    
3263
	/* If the interface is not configured via another, exit */
3264
	if (empty($lancfg['track6-interface']))
3265
		return;
3266

    
3267
	if (!is_numeric($lancfg['track6-prefix-id']))
3268
		$lancfg['track6-prefix-id'] = 0;
3269

    
3270
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3271
	if (empty($wancfg)) {
3272
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3273
		return;
3274
	}
3275

    
3276
	$lanif = get_real_interface($interface);
3277
	$oip = find_interface_ipv6($lanif);
3278
	if (is_ipaddrv6($oip))
3279
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3280
	unset($interface_ipv6_arr_cache[$lanif]);
3281
	unset($interface_snv6_arr_cache[$lanif]);
3282

    
3283
	if ($wancfg['ipaddrv6'] == "slaac") {
3284
		$ifcfgipv6 = get_interface_ipv6($lancfg['track6-interface']);
3285
		if (is_ipaddrv6($ifcfgipv6)) {
3286
			$dhcp6lanarr = explode(":", Net_IPv6::uncompress($ifcfgipv6));
3287
			$dhcp6lanarr[4] = 0;
3288
			$dhcp6lanarr[5] = 0;
3289
			$dhcp6lanarr[6] = 0;
3290
			$dhcp6lanarr[7] = 1;
3291
			$dhcp6lan =  Net_IPv6::compress(implode(":", $dhcp6lanarr));
3292
			log_error("dhcp6 {$interface} with ipv6 address {$dhcp6lan} based on {$lancfg['track6-interface']}");
3293
			mwexec("/sbin/ifconfig {$lanif} inet6 {$dhcp6lan} prefixlen 64");
3294
		}
3295
	}
3296

    
3297
	return 0;
3298
}
3299

    
3300
function interface_6rd_configure($interface = "wan", $wancfg) {
3301
	global $config, $g;
3302

    
3303
	/* because this is a tunnel interface we can only function
3304
	 *	with a public IPv4 address on the interface */
3305

    
3306
	if (!is_array($wancfg))
3307
		return;
3308

    
3309
	$wanif = get_real_interface($interface);
3310
	$ip4address = find_interface_ip($wanif);
3311
	if ((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3312
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3313
		return false;
3314
	}
3315
	$hexwanv4 = return_hex_ipv4($ip4address);
3316

    
3317
	if (!is_numeric($wancfg['prefix-6rd-v4plen']))
3318
		$wancfg['prefix-6rd-v4plen'] = 0;
3319

    
3320
	/* create the long prefix notation for math, save the prefix length */
3321
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3322
	$rd6prefixlen = $rd6prefix[1];
3323
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3324

    
3325
	/* binary presentation of the prefix for all 128 bits. */
3326
	$rd6prefixbin = convert_ipv6_to_128bit($rd6prefix);
3327

    
3328
	/* just save the left prefix length bits */
3329
	$rd6prefixbin = substr($rd6prefixbin, 0, $rd6prefixlen);
3330
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3331
	$rd6prefixbin .= substr(sprintf("%032b", hexdec($hexwanv4)), $wancfg['prefix-6rd-v4plen'], 32);
3332
	/* fill out the rest with 0's */
3333
	$rd6prefixbin = str_pad($rd6prefixbin, 128, "0", STR_PAD_RIGHT);;
3334

    
3335
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3336
	$rd6prefix = convert_128bit_to_ipv6($rd6prefixbin);
3337

    
3338
	$rd6brgw = "{$rd6prefix}{$wancfg['gateway-6rd']}";
3339

    
3340
	/* XXX: need to extend to support variable prefix size for v4 */
3341
	if (!is_module_loaded("if_stf"))
3342
		mwexec("/sbin/kldload if_stf.ko");
3343
	$stfiface = "{$interface}_stf";
3344
	if (does_interface_exist($stfiface))
3345
		pfSense_interface_destroy($stfiface);
3346
	$tmpstfiface = pfSense_interface_create("stf");
3347
	pfSense_interface_rename($tmpstfiface, $stfiface);
3348
	pfSense_interface_flags($stfiface, IFF_LINK2);
3349
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$rd6prefix}/{$rd6prefixlen}");
3350
	if ($wancfg['prefix-6rd-v4plen'] > 0 && $wancfg['prefix-6rd-v4plen'] < 32)
3351
		mwexec("/sbin/ifconfig {$stfiface} stfv4net {$ip4address}/{$wancfg['prefix-6rd-v4plen']}");
3352
	if ($g['debug'])
3353
		log_error("Created 6rd interface {$stfiface} {$rd6prefix}/{$rd6prefixlen}");
3354

    
3355
	/* write out a default router file */
3356
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$rd6brgw}\n");
3357
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$rd6brgw}\n");
3358

    
3359
	$ip4gateway = get_interface_gateway($interface);
3360
	if (is_ipaddrv4($ip4gateway))
3361
		mwexec("/sbin/route change -host " . escapeshellarg($wancfg['gateway-6rd']) . " {$ip4gateway}");
3362

    
3363
	/* configure dependent interfaces */
3364
	if (!$g['booting'])
3365
		link_interface_to_track6($interface, "update");
3366

    
3367
	return 0;
3368
}
3369

    
3370
function interface_6to4_configure($interface = "wan", $wancfg){
3371
	global $config, $g;
3372

    
3373
	/* because this is a tunnel interface we can only function
3374
	 *	with a public IPv4 address on the interface */
3375

    
3376
	if (!is_array($wancfg))
3377
		return;
3378

    
3379
	$wanif = get_real_interface($interface);
3380
	$ip4address = find_interface_ip($wanif);
3381
	if((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3382
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3383
		return false;
3384
	}
3385

    
3386
	/* create the long prefix notation for math, save the prefix length */
3387
	$stfprefixlen = 16;
3388
	$stfprefix = Net_IPv6::uncompress("2002::");
3389
	$stfarr = explode(":", $stfprefix);
3390
	$v4prefixlen = "0";
3391

    
3392
	/* we need the hex form of the interface IPv4 address */
3393
	$ip4arr = explode(".", $ip4address);
3394
	$hexwanv4 = "";
3395
	foreach($ip4arr as $octet)
3396
		$hexwanv4 .= sprintf("%02x", $octet);
3397

    
3398
	/* we need the hex form of the broker IPv4 address */
3399
	$ip4arr = explode(".", "192.88.99.1");
3400
	$hexbrv4 = "";
3401
	foreach($ip4arr as $octet)
3402
		$hexbrv4 .= sprintf("%02x", $octet);
3403

    
3404
	/* binary presentation of the prefix for all 128 bits. */
3405
	$stfprefixbin = "";
3406
	foreach($stfarr as $element) {
3407
		$stfprefixbin .= sprintf("%016b", hexdec($element));
3408
	}
3409
	/* just save the left prefix length bits */
3410
	$stfprefixstartbin = substr($stfprefixbin, 0, $stfprefixlen);
3411

    
3412
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3413
	$stfbrokerbin = substr(sprintf("%032b", hexdec($hexbrv4)), $v4prefixlen, 32);
3414
	$stfbrokerbin = str_pad($stfprefixstartbin . $stfbrokerbin, 128, "0", STR_PAD_RIGHT);;
3415

    
3416
	/* for the local subnet too. */
3417
	$stflanbin = substr(sprintf("%032b", hexdec($hexwanv4)), $v4prefixlen, 32);
3418
	$stflanbin = str_pad($stfprefixstartbin . $stflanbin, 128, "0", STR_PAD_RIGHT);;
3419

    
3420
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3421
	$stfbrarr = array();
3422
	$stfbrbinarr = array();
3423
	$stfbrbinarr = str_split($stfbrokerbin, 16);
3424
	foreach($stfbrbinarr as $bin)
3425
		$stfbrarr[] = dechex(bindec($bin));
3426
	$stfbrgw = Net_IPv6::compress(implode(":", $stfbrarr));
3427

    
3428
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3429
	$stflanarr = array();
3430
	$stflanbinarr = array();
3431
	$stflanbinarr = str_split($stflanbin, 16);
3432
	foreach($stflanbinarr as $bin)
3433
		$stflanarr[] = dechex(bindec($bin));
3434
	$stflanpr = Net_IPv6::compress(implode(":", $stflanarr));
3435
	$stflanarr[7] = 1;
3436
	$stflan = Net_IPv6::compress(implode(":", $stflanarr));
3437

    
3438
	/* setup the stf interface */
3439
	if (!is_module_loaded("if_stf"))
3440
		mwexec("/sbin/kldload if_stf.ko");
3441
	$stfiface = "{$interface}_stf";
3442
	if (does_interface_exist($stfiface))
3443
		pfSense_interface_destroy($stfiface);
3444
	$tmpstfiface = pfSense_interface_create("stf");
3445
	pfSense_interface_rename($tmpstfiface, $stfiface);
3446
	pfSense_interface_flags($stfiface, IFF_LINK2);
3447
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$stflanpr} prefixlen 16");
3448

    
3449
	if ($g['debug'])
3450
		log_error("Set IPv6 address inet6 {$stflanpr} prefixlen 16 for {$stfiface}, route {$stfbrgw}");
3451

    
3452
	/* write out a default router file */
3453
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$stfbrgw}");
3454
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$stfbrgw}");
3455

    
3456
	$ip4gateway = get_interface_gateway($interface);
3457
	if (is_ipaddrv4($ip4gateway))
3458
		mwexec("route change -host 192.88.99.1 {$ip4gateway}");
3459

    
3460
	if (!$g['booting'])
3461
		link_interface_to_track6($interface, "update");
3462

    
3463
	return 0;
3464
}
3465

    
3466
function interface_dhcpv6_configure($interface = "wan", $wancfg) {
3467
	global $config, $g;
3468

    
3469
	if (!is_array($wancfg))
3470
		return;
3471

    
3472
	$wanif = get_real_interface($interface);
3473
	$dhcp6cconf = "";
3474
	$dhcp6cconf .= "interface {$wanif} {\n";
3475

    
3476
	/* for SLAAC interfaces we do fire off a dhcp6 client for just our name servers */
3477
	if($wancfg['ipaddrv6'] == "slaac") {
3478
		$dhcp6cconf .= "	information-only;\n";
3479
		$dhcp6cconf .= "	request domain-name-servers;\n";
3480
		$dhcp6cconf .= "	request domain-name;\n";
3481
		$dhcp6cconf .= "	script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3482
		$dhcp6cconf .= "};\n";
3483
	} else {
3484

    
3485
		$dhcp6cconf .= " 	send ia-na 0;	# request stateful address\n";
3486
		if(is_numeric($wancfg['dhcp6-ia-pd-len']))
3487
			$dhcp6cconf .= "	send ia-pd 0;	# request prefix delegation\n";
3488
		$dhcp6cconf .= "request domain-name-servers;\n";
3489
		$dhcp6cconf .= "request domain-name;\n";
3490
		$dhcp6cconf .= "script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3491

    
3492
		$dhcp6cconf .= "};\n";
3493
		$dhcp6cconf .= "id-assoc na 0 { };\n";
3494
		if(is_numeric($wancfg['dhcp6-ia-pd-len'])) {
3495
			/* Setup the prefix delegation */
3496
			$dhcp6cconf .= "id-assoc pd 0 {\n";
3497
			$iflist = link_interface_to_track6($interface);
3498
			foreach ($iflist as $friendly => $ifcfg) {
3499
				if (is_numeric($ifcfg['track6-prefix-id'])) {
3500
					if ($g['debug'])
3501
						log_error("setting up $ifdescr - {$ifcfg['track6-prefix-id']}");
3502
					$realif = get_real_interface($friendly);
3503
					$dhcp6cconf .= "	prefix-interface {$realif} {\n";
3504
					$dhcp6cconf .= "		sla-id {$ifcfg['track6-prefix-id']};\n";
3505
					$dhcp6cconf .= "		sla-len {$wancfg['dhcp6-ia-pd-len']};\n";
3506
					$dhcp6cconf .= "	};\n";
3507
				}
3508
			}
3509
			unset($iflist, $ifcfg);
3510
			$dhcp6cconf .= "};\n";
3511
		}
3512
	}
3513
	/* wide-dhcp6c works for now. */
3514
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}.conf", $dhcp6cconf)) {
3515
		printf("Error: cannot open dhcp6c_{$interface}.conf in interface_dhcpv6_configure() for writing.\n");
3516
		unset($dhcp6cconf);
3517
		return 1;
3518
	}
3519
	unset($dhcp6cconf);
3520

    
3521
	$dhcp6cscript = "#!/bin/sh\n";
3522
	$dhcp6cscript .= "# This shell script launches /etc/rc.newwanipv6 with a interface argument.\n";
3523
	$dhcp6cscript .= "/etc/rc.newwanipv6 {$wanif} \n";
3524
	/* Add wide-dhcp6c shell script here. Because we can not pass a argument to it. */
3525
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", $dhcp6cscript)) {
3526
		printf("Error: cannot open dhcp6c_{$interface}_script.sh in interface_dhcpv6_configure() for writing.\n");
3527
		unset($dhcp6cscript);
3528
		return 1;
3529
	}
3530
	unset($dhcp6cscript);
3531
	@chmod("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", 0755);
3532

    
3533
	$rtsoldscript = "#!/bin/sh\n";
3534
	$rtsoldscript .= "# This shell script launches dhcp6c and configured gateways for this interface.\n";
3535
	$rtsoldscript .= "echo $2 > {$g['tmp_path']}/{$wanif}_routerv6\n";
3536
	$rtsoldscript .= "echo $2 > {$g['tmp_path']}/{$wanif}_defaultgwv6\n";
3537
	$rtsoldscript .= "if [ -f {$g['varrun_path']}/dhcp6c_{$wanif}.pid ]; then\n";
3538
	$rtsoldscript .= "\t/bin/pkill -F {$g['varrun_path']}/dhcp6c_{$wanif}.pid\n";
3539
	$rtsoldscript .= "fi\n";
3540
	$rtsoldscript .= "/usr/local/sbin/dhcp6c -d -c {$g['varetc_path']}/dhcp6c_{$interface}.conf -p {$g['varrun_path']}/dhcp6c_{$wanif}.pid {$wanif}\n";
3541
	/* Add wide-dhcp6c shell script here. Because we can not pass a argument to it. */
3542
	if (!@file_put_contents("{$g['varetc_path']}/rtsold_{$wanif}_script.sh", $rtsoldscript)) {
3543
		printf("Error: cannot open rtsold_{$interface}_script.sh in interface_dhcpv6_configure() for writing.\n");
3544
		unset($rtsoldscript);
3545
		return 1;
3546
	}
3547
	unset($rtsoldscript);
3548
	@chmod("{$g['varetc_path']}/rtsold_{$wanif}_script.sh", 0755);
3549

    
3550
	/* accept router advertisements for this interface */
3551
	mwexec("/sbin/sysctl -w net.inet6.ip6.accept_rtadv=1");
3552
	log_error("Accept router advertisements on interface {$wanif} ");
3553
	mwexec("/sbin/ifconfig {$wanif} inet6 accept_rtadv");
3554

    
3555
	/* fire up rtsold for IPv6 RAs first, this backgrounds immediately. It will call dhcp6c */
3556
	if (isvalidpid("{$g['varrun_path']}/rtsold_{$wanif}.pid"))
3557
		killbypid("{$g['varrun_path']}/rtsold_{$wanif}.pid");
3558
	mwexec("/usr/sbin/rtsold -1 -p {$g['varrun_path']}/rtsold_{$wanif}.pid -O {$g['varetc_path']}/rtsold_{$wanif}_script.sh {$wanif}");
3559

    
3560
	/* NOTE: will be called from rtsold invoked script 
3561
	 * link_interface_to_track6($interface, "update");
3562
	 */
3563

    
3564
	return 0;
3565
}
3566

    
3567
function interface_dhcp_configure($interface = "wan") {
3568
	global $config, $g;
3569

    
3570
	$wancfg = $config['interfaces'][$interface];
3571
	$wanif = $wancfg['if'];
3572
	if (empty($wancfg))
3573
		$wancfg = array();
3574

    
3575
	/* generate dhclient_wan.conf */
3576
	$fd = fopen("{$g['varetc_path']}/dhclient_{$interface}.conf", "w");
3577
	if (!$fd) {
3578
		printf(printf(gettext("Error: cannot open dhclient_%s.conf in interface_dhcp_configure() for writing.%s"), $interface, "\n"));
3579
		return 1;
3580
	}
3581

    
3582
	if ($wancfg['dhcphostname']) {
3583
		$dhclientconf_hostname = "send dhcp-client-identifier \"{$wancfg['dhcphostname']}\";\n";
3584
		$dhclientconf_hostname .= "\tsend host-name \"{$wancfg['dhcphostname']}\";\n";
3585
	} else {
3586
		$dhclientconf_hostname = "";
3587
	}
3588

    
3589
	$wanif = get_real_interface($interface);
3590
	if (empty($wanif)) {
3591
		log_error(sprintf(gettext("Invalid interface \"%s\" in interface_dhcp_configure()"), $interface));
3592
		return 0;
3593
	}
3594
	$dhclientconf = "";
3595

    
3596
	$dhclientconf .= <<<EOD
3597
interface "{$wanif}" {
3598
timeout 60;
3599
retry 15;
3600
select-timeout 0;
3601
initial-interval 1;
3602
	{$dhclientconf_hostname}
3603
	script "/sbin/dhclient-script";
3604
}
3605

    
3606
EOD;
3607

    
3608
if(is_ipaddr($wancfg['alias-address'])) {
3609
	$subnetmask = gen_subnet_mask($wancfg['alias-subnet']);
3610
	$dhclientconf .= <<<EOD
3611
alias {
3612
	interface  "{$wanif}";
3613
	fixed-address {$wancfg['alias-address']};
3614
	option subnet-mask {$subnetmask};
3615
}
3616

    
3617
EOD;
3618
}
3619
	fwrite($fd, $dhclientconf);
3620
	fclose($fd);
3621

    
3622
	/* bring wan interface up before starting dhclient */
3623
	if($wanif)
3624
		interfaces_bring_up($wanif);
3625
	else
3626
		log_error(printf(gettext("Could not bring up %s interface in interface_dhcp_configure()"), $wanif));
3627

    
3628
	/* fire up dhclient */
3629
	mwexec("/sbin/dhclient -c {$g['varetc_path']}/dhclient_{$interface}.conf {$wanif} > {$g['tmp_path']}/{$wanif}_output 2> {$g['tmp_path']}/{$wanif}_error_output");
3630

    
3631
	return 0;
3632
}
3633

    
3634
function interfaces_group_setup() {
3635
	global $config;
3636

    
3637
	if (!is_array($config['ifgroups']['ifgroupentry']))
3638
		return;
3639

    
3640
	foreach ($config['ifgroups']['ifgroupentry'] as $groupar)
3641
		interface_group_setup($groupar);
3642

    
3643
	return;
3644
}
3645

    
3646
function interface_group_setup(&$groupname /* The parameter is an array */) {
3647
	global $config;
3648

    
3649
	if (!is_array($groupname))
3650
		return;
3651
	$members = explode(" ", $groupname['members']);
3652
	foreach($members as $ifs) {
3653
		$realif = get_real_interface($ifs);
3654
		if ($realif)
3655
			mwexec("/sbin/ifconfig {$realif} group {$groupname['ifname']}");
3656
	}
3657

    
3658
	return;
3659
}
3660

    
3661
function is_interface_group($if) {
3662
	global $config;
3663

    
3664
	if (is_array($config['ifgroups']['ifgroupentry']))
3665
		foreach ($config['ifgroups']['ifgroupentry'] as $groupentry) {
3666
			if ($groupentry['ifname'] === $if)
3667
				return true;
3668
		}
3669

    
3670
	return false;
3671
}
3672

    
3673
function interface_group_add_member($interface, $groupname) {
3674
	$interface = get_real_interface($interface);
3675
	mwexec("/sbin/ifconfig {$interface} group {$groupname}", true);
3676
}
3677

    
3678
/* COMPAT Function */
3679
function convert_friendly_interface_to_real_interface_name($interface) {
3680
	return get_real_interface($interface);
3681
}
3682

    
3683
/* COMPAT Function */
3684
function get_real_wan_interface($interface = "wan") {
3685
	return get_real_interface($interface);
3686
}
3687

    
3688
/* COMPAT Function */
3689
function get_current_wan_address($interface = "wan") {
3690
	return get_interface_ip($interface);
3691
}
3692

    
3693
/*
3694
 * convert_real_interface_to_friendly_interface_name($interface): convert fxp0 -> wan, etc.
3695
 */
3696
function convert_real_interface_to_friendly_interface_name($interface = "wan") {
3697
	global $config;
3698

    
3699
	if (stristr($interface, "_vip")) {
3700
		foreach ($config['virtualip']['vip'] as $counter => $vip) {
3701
			if ($vip['mode'] == "carp")  {
3702
				if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3703
					return $vip['interface'];
3704
			}
3705
		}
3706
	}
3707

    
3708
	/* XXX: For speed reasons reference directly the interface array */
3709
	$ifdescrs = &$config['interfaces'];
3710
	//$ifdescrs = get_configured_interface_list(false, true);
3711

    
3712
	if (strstr($interface, "_stf"))
3713
		$interface = str_replace("_stf", "", $interface);
3714

    
3715
	foreach ($ifdescrs as $if => $ifname) {
3716
		if ($if == $interface || $config['interfaces'][$if]['if'] == $interface)
3717
			return $if;
3718

    
3719
		if (stristr($interface, "_wlan0") && $config['interfaces'][$if]['if'] == interface_get_wireless_base($interface))
3720
			return $if;
3721

    
3722
		// XXX: This case doesn't work anymore (segfaults - recursion?) - should be replaced with something else or just removed.
3723
		//      Not to be replaced with get_real_interface - causes slow interface listings here because of recursion!
3724
		/*
3725
		$int = get_parent_interface($if);
3726
		if ($int[0] == $interface)
3727
			return $ifname;
3728
		 */
3729
	}
3730

    
3731
	return NULL;
3732
}
3733

    
3734
/* attempt to resolve interface to friendly descr */
3735
function convert_friendly_interface_to_friendly_descr($interface) {
3736
	global $config;
3737

    
3738
	switch ($interface) {
3739
	case "l2tp":
3740
		$ifdesc = "L2TP";
3741
		break;
3742
	case "pptp":
3743
		$ifdesc = "PPTP";
3744
		break;
3745
	case "pppoe":
3746
		$ifdesc = "PPPoE";
3747
		break;
3748
	case "openvpn":
3749
		$ifdesc = "OpenVPN";
3750
		break;
3751
	case "enc0":
3752
	case "ipsec":
3753
		$ifdesc = "IPsec";
3754
		break;
3755
	default:
3756
		if (isset($config['interfaces'][$interface])) {
3757
			if (empty($config['interfaces'][$interface]['descr']))
3758
				$ifdesc = strtoupper($interface);
3759
			else
3760
				$ifdesc = strtoupper($config['interfaces'][$interface]['descr']);
3761
			break;
3762
		} else if (stristr($interface, "_vip")) {
3763
			if (is_array($config['virtualip']['vip'])) {
3764
				foreach ($config['virtualip']['vip'] as $counter => $vip) {
3765
					if ($vip['mode'] == "carp")  {
3766
						if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3767
							return "{$vip['subnet']} - {$vip['descr']}";
3768
					}
3769
				}
3770
			}
3771
		} else {
3772
			/* if list */
3773
			$ifdescrs = get_configured_interface_with_descr(false, true);
3774
			foreach ($ifdescrs as $if => $ifname) {
3775
				if ($if == $interface || $ifname == $interface)
3776
					return $ifname;
3777
			}
3778
		}
3779
		break;
3780
	}
3781

    
3782
	return $ifdesc;
3783
}
3784

    
3785
function convert_real_interface_to_friendly_descr($interface) {
3786
	global $config;
3787

    
3788
	$ifdesc = convert_real_interface_to_friendly_interface_name("{$interface}");
3789

    
3790
	if ($ifdesc) {
3791
		$iflist = get_configured_interface_with_descr(false, true);
3792
		return $iflist[$ifdesc];
3793
	}
3794

    
3795
	return $interface;
3796
}
3797

    
3798
/*
3799
 *  get_parent_interface($interface):
3800
 *			--returns the (real or virtual) parent interface(s) array for a given interface friendly name (i.e. wan)
3801
 *				or virtual interface (i.e. vlan)
3802
 *				(We need array because MLPPP and bridge interfaces have more than one parent.)
3803
 *			-- returns $interface passed in if $interface parent is not found
3804
 *			-- returns empty array if an invalid interface is passed
3805
 *	(Only handles ppps and vlans now.)
3806
 */
3807
function get_parent_interface($interface) {
3808
	global $config;
3809

    
3810
	$parents = array();
3811
	//Check that we got a valid interface passed
3812
	$realif = get_real_interface($interface);
3813
	if ($realif == NULL)
3814
		return $parents;
3815

    
3816
	// If we got a real interface, find it's friendly assigned name
3817
	$interface = convert_real_interface_to_friendly_interface_name($interface);
3818

    
3819
	if (!empty($interface) && isset($config['interfaces'][$interface])) {
3820
		$ifcfg = $config['interfaces'][$interface];
3821
		switch ($ifcfg['ipaddr']) {
3822
			case "ppp":
3823
			case "pppoe":
3824
			case "pptp":
3825
			case "l2tp":
3826
				if (empty($parents))
3827
					if (is_array($config['ppps']['ppp']))
3828
						foreach ($config['ppps']['ppp'] as $pppidx => $ppp) {
3829
							if ($ifcfg['if'] == $ppp['if']) {
3830
								$ports = explode(',', $ppp['ports']);
3831
								foreach ($ports as $pid => $parent_if)
3832
									$parents[$pid] = get_real_interface($parent_if);
3833
								break;
3834
							}
3835
						}
3836
				break;
3837
			case "dhcp":
3838
			case "static":
3839
			default:
3840
				// Handle _vlans
3841
				if (stristr($realif,"_vlan"))
3842
					if (is_array($config['vlans']['vlan']))
3843
						foreach ($config['vlans']['vlan'] as $vlanidx => $vlan)
3844
							if ($ifcfg['if'] == $vlan['vlanif']){
3845
								$parents[0] = $vlan['if'];
3846
								break;
3847
							}
3848
				break;
3849
		}
3850
	}
3851

    
3852
	if (empty($parents))
3853
		$parents[0] = $realif;
3854

    
3855
	return $parents;
3856
}
3857

    
3858
function interface_is_wireless_clone($wlif) {
3859
	if(!stristr($wlif, "_wlan")) {
3860
		return false;
3861
	} else {
3862
		return true;
3863
	}
3864
}
3865

    
3866
function interface_get_wireless_base($wlif) {
3867
	if(!stristr($wlif, "_wlan")) {
3868
		return $wlif;
3869
	} else {
3870
		return substr($wlif, 0, stripos($wlif, "_wlan"));
3871
	}
3872
}
3873

    
3874
function interface_get_wireless_clone($wlif) {
3875
	if(!stristr($wlif, "_wlan")) {
3876
		return $wlif . "_wlan0";
3877
	} else {
3878
		return $wlif;
3879
	}
3880
}
3881

    
3882
function get_real_interface($interface = "wan", $family = "all") {
3883
	global $config, $g;
3884

    
3885
	$wanif = NULL;
3886

    
3887
	switch ($interface) {
3888
	case "l2tp":
3889
		$wanif = "l2tp";
3890
		break;
3891
	case "pptp":
3892
		$wanif = "pptp";
3893
		break;
3894
	case "pppoe":
3895
		$wanif = "pppoe";
3896
		break;
3897
	case "openvpn":
3898
		$wanif = "openvpn";
3899
		break;
3900
	case "ipsec":
3901
	case "enc0":
3902
		$wanif = "enc0";
3903
		break;
3904
	case "ppp":
3905
		$wanif = "ppp";
3906
		break;
3907
	default:
3908
		// If a real interface was alread passed simply
3909
		// pass the real interface back.  This encourages
3910
		// the usage of this function in more cases so that
3911
		// we can combine logic for more flexibility.
3912
		if(does_interface_exist($interface)) {
3913
			$wanif = $interface;
3914
			break;
3915
		}
3916

    
3917
		if (empty($config['interfaces'][$interface]))
3918
			break;
3919

    
3920
		$cfg = &$config['interfaces'][$interface];
3921

    
3922
		if ($family == "inet6") {
3923
			switch ($cfg['ipaddrv6']) {
3924
			case "6rd":
3925
			case "6to4":
3926
				$wanif = "{$interface}_stf";
3927
				break;
3928
			default:
3929
				if( is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if']))
3930
					$wanif = interface_get_wireless_clone($cfg['if']);
3931
				else
3932
					$wanif = $cfg['if'];
3933
				break;
3934
			}
3935
		} else {
3936
			// Wireless cloned NIC support (FreeBSD 8+)
3937
			// interface name format: $parentnic_wlanparentnic#
3938
			// example: ath0_wlan0
3939
			if( is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if']))
3940
				$wanif = interface_get_wireless_clone($cfg['if']);
3941
			else
3942
				$wanif = $cfg['if'];
3943
		}
3944
		break;
3945
	}
3946

    
3947
	return $wanif;
3948
}
3949

    
3950
/* Guess the physical interface by providing a IP address */
3951
function guess_interface_from_ip($ipaddress) {
3952
	if(! is_ipaddr($ipaddress)) {
3953
		return false;
3954
	}
3955
	if(is_ipaddrv4($ipaddress)) {
3956
		/* create a route table we can search */
3957
		exec("netstat -rnWf inet", $output, $ret);
3958
		foreach($output as $line) {
3959
			if(preg_match("/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\/[0-9]+[ ]+link[#]/", $line)) {
3960
				$fields = preg_split("/[ ]+/", $line);
3961
				if(ip_in_subnet($ipaddress, $fields[0])) {
3962
					return $fields[6];
3963
				}
3964
			}
3965
		}
3966
	}
3967
	/* FIXME: This works from cursory testing, regexp might need fine tuning */
3968
	if(is_ipaddrv6($ipaddress)) {
3969
		/* create a route table we can search */
3970
		exec("netstat -rnWf inet6", $output, $ret);
3971
		foreach($output as $line) {
3972
			if(preg_match("/[0-9a-f]+[:]+[0-9a-f]+[:]+[\/][0-9]+/", $line)) {
3973
				$fields = preg_split("/[ ]+/", $line);
3974
				if(ip_in_subnet($ipaddress, $fields[0])) {
3975
					return $fields[6];
3976
				}
3977
			}
3978
		}
3979
	}
3980
	$ret = exec_command("/sbin/route -n get {$ipaddress} | /usr/bin/awk '/interface/ { print \$2; };'");
3981
	if(empty($ret)) {
3982
		return false;
3983
	}
3984
	return $ret;
3985
}
3986

    
3987
/*
3988
 * find_ip_interface($ip): return the interface where an ip is defined
3989
 *   (or if $bits is specified, where an IP within the subnet is defined)
3990
 */
3991
function find_ip_interface($ip, $bits = null) {
3992
	if (!is_ipaddr($ip))
3993
		return false;
3994
	
3995
	$isv6ip = is_ipaddrv6($ip);
3996
	
3997
	/* if list */
3998
	$ifdescrs = get_configured_interface_list();
3999

    
4000
	foreach ($ifdescrs as $ifdescr => $ifname) {
4001
		$ifip = ($isv6ip) ? get_interface_ipv6($ifname) : get_interface_ip($ifname);
4002
		if (is_null($ifip))
4003
			continue;
4004
		if (is_null($bits)) {
4005
			if ($ip == $ifip) {
4006
				$int = get_real_interface($ifname);
4007
				return $int;
4008
			}
4009
		}
4010
		else {
4011
			if (ip_in_subnet($ifip, $ip . "/" . $bits)) {
4012
				$int = get_real_interface($ifname);
4013
				return $int;
4014
			}
4015
		}
4016
	}
4017

    
4018
	return false;
4019
}
4020

    
4021
/*
4022
 * find_virtual_ip_alias($ip): return the virtual IP alias where an IP is found
4023
 *   (or if $bits is specified, where an IP within the subnet is found)
4024
 */
4025
function find_virtual_ip_alias($ip, $bits = null) {
4026
	global $config;
4027
	
4028
	if (!is_array($config['virtualip']['vip'])) {
4029
		return false;
4030
	}
4031
	if (!is_ipaddr($ip))
4032
		return false;
4033
	
4034
	$isv6ip = is_ipaddrv6($ip);
4035
	
4036
	foreach ($config['virtualip']['vip'] as $vip) {
4037
		if ($vip['mode'] === "ipalias") {
4038
			if (is_ipaddrv6($vip['subnet']) != $isv6ip)
4039
				continue;
4040
			if (is_null($bits)) {
4041
				if (ip_in_subnet($ip, $vip['subnet'] . "/" . $vip['subnet_bits'])) {
4042
					return $vip;
4043
				}
4044
			}
4045
			else {
4046
				if (($isv6ip && check_subnetsv6_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))
4047
					|| (!$isv6ip && check_subnets_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))) {
4048
					return $vip;
4049
				}
4050
			}
4051
		}
4052
	}
4053
	return false;
4054
}
4055

    
4056
/*
4057
 *   find_number_of_created_carp_interfaces: return the number of carp interfaces
4058
 */
4059
function find_number_of_created_carp_interfaces() {
4060
	return `/sbin/ifconfig | grep "carp:" | wc -l`;
4061
}
4062

    
4063
function get_all_carp_interfaces() {
4064
	$ints = str_replace("\n", " ", `ifconfig | grep "carp:" -B2 | grep ": flag" | cut -d: -f1`);
4065
	$ints = explode(" ", $ints);
4066
	return $ints;
4067
}
4068

    
4069
/*
4070
 * find_carp_interface($ip): return the carp interface where an ip is defined
4071
 */
4072
function find_carp_interface($ip) {
4073
	global $config;
4074
	if (is_array($config['virtualip']['vip'])) {
4075
		foreach ($config['virtualip']['vip'] as $vip) {
4076
			if ($vip['mode'] == "carp") {
4077
				if(is_ipaddrv4($ip)) {
4078
					$carp_ip = get_interface_ip($vip['interface']);
4079
				}
4080
				if(is_ipaddrv6($ip)) {
4081
					$carp_ip = get_interface_ipv6($vip['interface']);
4082
				}
4083
				exec("/sbin/ifconfig", $output, $return);
4084
				foreach($output as $line) {
4085
					$elements = preg_split("/[ ]+/i", $line);
4086
					if(strstr($elements[0], "vip"))
4087
						$curif = str_replace(":", "", $elements[0]);
4088
					if(stristr($line, $ip)) {
4089
						$if = $curif;
4090
						continue;
4091
					}
4092
				}
4093

    
4094
				if ($if)
4095
					return $if;
4096
			}
4097
		}
4098
	}
4099
}
4100

    
4101
function link_carp_interface_to_parent($interface) {
4102
	global $config;
4103

    
4104
	if ($interface == "")
4105
		return;
4106

    
4107
	$carp_ip = get_interface_ip($interface);
4108
	$carp_ipv6 = get_interface_ipv6($interface);
4109

    
4110
	if((!is_ipaddrv4($carp_ip)) && (!is_ipaddrv6($carp_ipv6)))
4111
		return;
4112

    
4113
	/* if list */
4114
	$ifdescrs = get_configured_interface_list();
4115
	foreach ($ifdescrs as $ifdescr => $ifname) {
4116
		/* check IPv4 */
4117
		if(is_ipaddrv4($carp_ip)) {
4118
			$interfaceip = get_interface_ip($ifname);
4119
			$subnet_bits = get_interface_subnet($ifname);
4120
			$subnet_ip = gen_subnet("{$interfaceip}", "{$subnet_bits}");
4121
			if(ip_in_subnet($carp_ip, "{$subnet_ip}/{$subnet_bits}"))
4122
				return $ifname;
4123
		}
4124
		/* Check IPv6 */
4125
		if(is_ipaddrv6($carp_ipv6)) {
4126
			$interfaceipv6 = get_interface_ipv6($ifname);
4127
			$prefixlen = get_interface_subnetv6($ifname);
4128
			if(ip_in_subnet($carp_ipv6, "{$interfaceipv6}/{$prefixlen}"))
4129
				return $ifname;
4130
		}
4131
	}
4132
	return "";
4133
}
4134

    
4135

    
4136
/****f* interfaces/link_ip_to_carp_interface
4137
 * NAME
4138
 *   link_ip_to_carp_interface - Find where a CARP interface links to.
4139
 * INPUTS
4140
 *   $ip
4141
 * RESULT
4142
 *   $carp_ints
4143
 ******/
4144
function link_ip_to_carp_interface($ip) {
4145
	global $config;
4146

    
4147
	if (!is_ipaddr($ip))
4148
		return;
4149

    
4150
	$carp_ints = "";
4151
	if (is_array($config['virtualip']['vip'])) {
4152
		$first = 0;
4153
		$carp_int = array();
4154
		foreach ($config['virtualip']['vip'] as $vip) {
4155
			if ($vip['mode'] == "carp") {
4156
				$carp_ip = $vip['subnet'];
4157
				$carp_sn = $vip['subnet_bits'];
4158
				$carp_nw = gen_subnet($carp_ip, $carp_sn);
4159
				if (ip_in_subnet($ip, "{$carp_nw}/{$carp_sn}")) {
4160
					$carp_int[] = "{$vip['interface']}_vip{$vip['vhid']}";
4161
				}
4162
			}
4163
		}
4164
		if (!empty($carp_int))
4165
			$carp_ints = implode(" ", array_unique($carp_int));
4166
	}
4167

    
4168
	return $carp_ints;
4169
}
4170

    
4171
function link_interface_to_track6($int, $action = "") {
4172
	global $config;
4173

    
4174
	if (empty($int))
4175
		return;
4176

    
4177
	if (is_array($config['interfaces'])) {
4178
		$list = array();
4179
		foreach ($config['interfaces'] as $ifname => $ifcfg) {
4180
			if (!isset($ifcfg['enable']))
4181
				continue;
4182
			if (!empty($ifcfg['ipaddrv6']) && $ifcfg['track6-interface'] == $int) {
4183
				if ($action == "update")
4184
					interface_track6_configure($ifname, $ifcfg);
4185
				else if ($action == "")
4186
					$list[$ifname] = $ifcfg;
4187
			}
4188
		}
4189
		return $list;
4190
	}
4191
}
4192

    
4193
function link_interface_to_vlans($int, $action = "") {
4194
	global $config;
4195

    
4196
	if (empty($int))
4197
		return;
4198

    
4199
	if (is_array($config['vlans']['vlan'])) {
4200
		$ifaces = array();
4201
		foreach ($config['vlans']['vlan'] as $vlan) {
4202
			if ($int == $vlan['if']) {
4203
				if ($action == "update") {
4204
					interfaces_bring_up($int);
4205
				} else if ($action == "")
4206
					$ifaces[$vlan['tag']] = $vlan;
4207
			}
4208
		}
4209
		if (!empty($ifaces))
4210
			return $ifaces;
4211
	}
4212
}
4213

    
4214
function link_interface_to_vips($int, $action = "") {
4215
	global $config;
4216

    
4217
	if (is_array($config['virtualip']['vip'])) {
4218
		$result = array();
4219
		foreach ($config['virtualip']['vip'] as $vip) {
4220
			if ($int == $vip['interface']) {
4221
				if ($action == "update")
4222
					interfaces_vips_configure($int);
4223
				else
4224
					$result[] = $vip;
4225
			}
4226
		}
4227
		return $result;
4228
	}
4229
}
4230

    
4231
/****f* interfaces/link_interface_to_bridge
4232
 * NAME
4233
 *   link_interface_to_bridge - Finds out a bridge group for an interface
4234
 * INPUTS
4235
 *   $ip
4236
 * RESULT
4237
 *   bridge[0-99]
4238
 ******/
4239
function link_interface_to_bridge($int) {
4240
	global $config;
4241

    
4242
	if (is_array($config['bridges']['bridged'])) {
4243
		foreach ($config['bridges']['bridged'] as $bridge) {
4244
			if (in_array($int, explode(',', $bridge['members'])))
4245
				return "{$bridge['bridgeif']}";
4246
		}
4247
	}
4248
}
4249

    
4250
function link_interface_to_group($int) {
4251
	global $config;
4252

    
4253
	$result = array();
4254

    
4255
	if (is_array($config['ifgroups']['ifgroupentry'])) {
4256
		foreach ($config['ifgroups']['ifgroupentry'] as $group) {
4257
			if (in_array($int, explode(" ", $group['members'])))
4258
				$result[$group['ifname']] = $int;
4259
		}
4260
	}
4261

    
4262
	return $result;
4263
}
4264

    
4265
function link_interface_to_gre($interface) {
4266
	global $config;
4267

    
4268
	$result = array();
4269

    
4270
	if (is_array($config['gres']['gre'])) {
4271
		foreach ($config['gres']['gre'] as $gre)
4272
			if($gre['if'] == $interface)
4273
				$result[] = $gre;
4274
	}
4275

    
4276
	return $result;
4277
}
4278

    
4279
function link_interface_to_gif($interface) {
4280
	global $config;
4281

    
4282
	$result = array();
4283

    
4284
	if (is_array($config['gifs']['gif'])) {
4285
		foreach ($config['gifs']['gif'] as $gif)
4286
			if($gif['if'] == $interface)
4287
				$result[] = $gif;
4288
	}
4289

    
4290
	return $result;
4291
}
4292

    
4293
/*
4294
 * find_interface_ip($interface): return the interface ip (first found)
4295
 */
4296
function find_interface_ip($interface, $flush = false)
4297
{
4298
	global $interface_ip_arr_cache;
4299
	global $interface_sn_arr_cache;
4300

    
4301
	$interface = str_replace("\n", "", $interface);
4302

    
4303
	if (!does_interface_exist($interface))
4304
		return;
4305

    
4306
	/* Setup IP cache */
4307
	if (!isset($interface_ip_arr_cache[$interface]) or $flush) {
4308
		$ifinfo = pfSense_get_interface_addresses($interface);
4309
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4310
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4311
	}
4312

    
4313
	return $interface_ip_arr_cache[$interface];
4314
}
4315

    
4316
/*
4317
 * find_interface_ipv6($interface): return the interface ip (first found)
4318
 */
4319
function find_interface_ipv6($interface, $flush = false)
4320
{
4321
	global $interface_ipv6_arr_cache;
4322
	global $interface_snv6_arr_cache;
4323
	global $config;
4324

    
4325
	$interface = trim($interface);
4326
	$interface = get_real_interface($interface);
4327

    
4328
	if (!does_interface_exist($interface))
4329
		return;
4330

    
4331
	/* Setup IP cache */
4332
	if (!isset($interface_ipv6_arr_cache[$interface]) or $flush) {
4333
		// FIXME: Add IPv6 support to the pfSense module
4334
		$ifinfo = array();
4335
		exec("/sbin/ifconfig {$interface} inet6", $output);
4336
		foreach($output as $line) {
4337
			if(preg_match("/inet6/", $line)) {
4338
				$parts = explode(" ", $line);
4339
				if(! preg_match("/fe80::/", $parts[1])) {
4340
					$ifinfo['ipaddrv6'] = $parts[1];
4341
					if($parts[2] == "-->") {
4342
						$parts[5] = "126";
4343
						$ifinfo['subnetbitsv6'] = $parts[5];
4344
					} else {
4345
						$ifinfo['subnetbitsv6'] = $parts[3];
4346
					}
4347
					break;
4348
				}
4349
			}
4350
		}
4351
		$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4352
		$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4353
	}
4354

    
4355
	return $interface_ipv6_arr_cache[$interface];
4356
}
4357

    
4358
/*
4359
 * find_interface_ipv6_ll($interface): return the interface ipv6 link local (first found)
4360
 */
4361
function find_interface_ipv6_ll($interface, $flush = false)
4362
{
4363
	global $interface_llv6_arr_cache;
4364
	global $config;
4365

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

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

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

    
4390
function find_interface_subnet($interface, $flush = false)
4391
{
4392
	global $interface_sn_arr_cache;
4393
	global $interface_ip_arr_cache;
4394

    
4395
	$interface = str_replace("\n", "", $interface);
4396
	if (does_interface_exist($interface) == false)
4397
		return;
4398

    
4399
	if (!isset($interface_sn_arr_cache[$interface]) or $flush) {
4400
		$ifinfo = pfSense_get_interface_addresses($interface);
4401
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4402
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4403
	}
4404

    
4405
	return $interface_sn_arr_cache[$interface];
4406
}
4407

    
4408
function find_interface_subnetv6($interface, $flush = false)
4409
{
4410
	global $interface_snv6_arr_cache;
4411
	global $interface_ipv6_arr_cache;
4412

    
4413
	$interface = str_replace("\n", "", $interface);
4414
	if (does_interface_exist($interface) == false)
4415
		return;
4416

    
4417
	$foundv6 = false;
4418
	if (!isset($interface_snv6_arr_cache[$interface]) or $flush) {
4419
		$ifinfo = array();
4420
		// FIXME: Add IPv6 support to the pfSense module
4421
		unset($output);
4422
		exec("/sbin/ifconfig {$interface} inet6", $output);
4423
		foreach($output as $line) {
4424
			$line = trim($line);
4425
			if(preg_match("/inet6/", $line)) {
4426
				$parts = explode(" ", $line);
4427
				if(! preg_match("/fe80::/", $parts[1])) {
4428
					$ifinfo['ipaddrv6'] = $parts[1];
4429
					if($parts[2] == "-->") {
4430
						$parts[5] = "126";
4431
						$ifinfo['subnetbitsv6'] = $parts[5];
4432
					} else {
4433
						$ifinfo['subnetbitsv6'] = $parts[3];
4434
					}
4435
					$foundv6 = true;
4436
					break;
4437
				}
4438
			}
4439
		}
4440
		if ($foundv6 === true) {
4441
			$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4442
			$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4443
		} else
4444
			unset($interface_ipv6_arr_cache[$interface], $interface_snv6_arr_cache[$interface]);
4445
	}
4446

    
4447
	return $interface_snv6_arr_cache[$interface];
4448
}
4449

    
4450
function ip_in_interface_alias_subnet($interface, $ipalias) {
4451
	global $config;
4452

    
4453
	if (empty($interface) || !is_ipaddr($ipalias))
4454
		return false;
4455
	if (is_array($config['virtualip']['vip'])) {
4456
		foreach ($config['virtualip']['vip'] as $vip) {
4457
			switch ($vip['mode']) {
4458
			case "ipalias":
4459
				if ($vip['interface'] <> $interface)
4460
					break;
4461
				if (ip_in_subnet($ipalias, gen_subnet($vip['subnet'], $vip['subnet_bits']) . "/" . $vip['subnet_bits']))
4462
					return true;
4463
				break;
4464
			}
4465
		}
4466
	}
4467

    
4468
	return false;
4469
}
4470

    
4471
function get_interface_ip($interface = "wan")
4472
{
4473
	$realif = get_failover_interface($interface);
4474
	if (!$realif) {
4475
		if (preg_match("/^carp/i", $interface))
4476
			$realif = $interface;
4477
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4478
			$realif = $interface;
4479
		else
4480
			return null;
4481
	}
4482

    
4483
	$curip = find_interface_ip($realif);
4484
	if ($curip && is_ipaddr($curip) && ($curip != "0.0.0.0"))
4485
		return $curip;
4486
	else
4487
		return null;
4488
}
4489

    
4490
function get_interface_ipv6($interface = "wan", $flush = false)
4491
{
4492
	global $config;
4493

    
4494
	$realif = get_failover_interface($interface, "inet6");
4495
	if (!$realif) {
4496
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4497
			$realif = $interface;
4498
		else
4499
			return null;
4500
	}
4501

    
4502
	$curip = find_interface_ipv6($realif, $flush);
4503
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4504
		return $curip;
4505
	else
4506
		return null;
4507
}
4508

    
4509
function get_interface_linklocal($interface = "wan")
4510
{
4511
	$realif = get_failover_interface($interface);
4512
	if (!$realif) {
4513
		if (preg_match("/^carp/i", $interface))
4514
			$realif = $interface;
4515
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4516
			$realif = $interface;
4517
		else
4518
			return null;
4519
	}
4520

    
4521
	$curip = find_interface_ipv6_ll($realif);
4522
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4523
		return $curip;
4524
	else
4525
		return null;
4526
}
4527

    
4528
function get_interface_subnet($interface = "wan")
4529
{
4530
	$realif = get_real_interface($interface);
4531
	if (!$realif) {
4532
		if (preg_match("/^carp/i", $interface))
4533
			$realif = $interface;
4534
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4535
			$realif = $interface;
4536
		else
4537
			return null;
4538
	}
4539

    
4540
	$cursn = find_interface_subnet($realif);
4541
	if (!empty($cursn))
4542
		return $cursn;
4543

    
4544
	return null;
4545
}
4546

    
4547
function get_interface_subnetv6($interface = "wan")
4548
{
4549
	global $config;
4550

    
4551
	$realif = get_real_interface($interface, "inet6");
4552
	if (!$realif) {
4553
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4554
			$realif = $interface;
4555
		else
4556
			return null;
4557
	}
4558

    
4559
	$cursn = find_interface_subnetv6($realif);
4560
	if (!empty($cursn))
4561
		return $cursn;
4562

    
4563
	return null;
4564
}
4565

    
4566
/* return outside interfaces with a gateway */
4567
function get_interfaces_with_gateway() {
4568
	global $config;
4569

    
4570
	$ints = array();
4571

    
4572
	/* loop interfaces, check config for outbound */
4573
	foreach($config['interfaces'] as $ifdescr => $ifname) {
4574
		switch ($ifname['ipaddr']) {
4575
			case "dhcp":
4576
			case "ppp";
4577
			case "pppoe":
4578
			case "pptp":
4579
			case "l2tp":
4580
			case "ppp";
4581
				$ints[$ifdescr] = $ifdescr;
4582
			break;
4583
			default:
4584
				if (substr($ifname['if'], 0, 4) ==  "ovpn" ||
4585
				    !empty($ifname['gateway']))
4586
					$ints[$ifdescr] = $ifdescr;
4587
			break;
4588
		}
4589
	}
4590
	return $ints;
4591
}
4592

    
4593
/* return true if interface has a gateway */
4594
function interface_has_gateway($friendly) {
4595
	global $config;
4596

    
4597
	if (!empty($config['interfaces'][$friendly])) {
4598
		$ifname = &$config['interfaces'][$friendly];
4599
		switch ($ifname['ipaddr']) {
4600
			case "dhcp":
4601
			case "pppoe":
4602
			case "pptp":
4603
			case "l2tp":
4604
			case "ppp";
4605
				return true;
4606
			break;
4607
			default:
4608
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4609
					return true;
4610
				if (!empty($ifname['gateway']))
4611
					return true;
4612
			break;
4613
		}
4614
	}
4615

    
4616
	return false;
4617
}
4618

    
4619
/* return true if interface has a gateway */
4620
function interface_has_gatewayv6($friendly) {
4621
	global $config;
4622

    
4623
	if (!empty($config['interfaces'][$friendly])) {
4624
		$ifname = &$config['interfaces'][$friendly];
4625
		switch ($ifname['ipaddrv6']) {
4626
			case "slaac":
4627
			case "dhcp6":
4628
			case "6to4":
4629
			case "6rd":
4630
				return true;
4631
				break;
4632
			default:
4633
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4634
					return true;
4635
				if (!empty($ifname['gatewayv6']))
4636
					return true;
4637
				break;
4638
		}
4639
	}
4640

    
4641
	return false;
4642
}
4643

    
4644
/****f* interfaces/is_altq_capable
4645
 * NAME
4646
 *   is_altq_capable - Test if interface is capable of using ALTQ
4647
 * INPUTS
4648
 *   $int            - string containing interface name
4649
 * RESULT
4650
 *   boolean         - true or false
4651
 ******/
4652

    
4653
function is_altq_capable($int) {
4654
	/* Per:
4655
	 * http://www.freebsd.org/cgi/man.cgi?query=altq&manpath=FreeBSD+7.2-current&format=html
4656
	 * Only the following drivers have ALTQ support
4657
	 */
4658
	$capable = array("age", "alc", "ale", "an", "ath", "aue", "awi", "bce",
4659
			"bfe", "bge", "bridge", "cas", "dc", "de", "ed", "em", "ep", "fxp", "gem",
4660
			"hme", "igb", "ipw", "iwi", "jme", "le", "lem", "msk", "mxge", "my", "nfe",
4661
			"npe", "nve", "ral", "re", "rl", "rum", "run", "bwn", "sf", "sis", "sk",
4662
			"ste", "stge", "txp", "udav", "ural", "vge", "vr", "wi", "xl",
4663
			"ndis", "tun", "ovpns", "ovpnc", "vlan", "pppoe", "pptp", "ng",
4664
			"l2tp", "ppp", "vtnet");
4665

    
4666
	$int_family = remove_ifindex($int);
4667

    
4668
	if (in_array($int_family, $capable))
4669
		return true;
4670
	else if (stristr($int, "l2tp")) /* VLANs are name $parent_$vlan now */
4671
		return true;
4672
	else if (stristr($int, "_vlan")) /* VLANs are name $parent_$vlan now */
4673
		return true;
4674
	else if (stristr($int, "_wlan")) /* WLANs are name $parent_$wlan now */
4675
		return true;
4676
	else
4677
		return false;
4678
}
4679

    
4680
/****f* interfaces/is_interface_wireless
4681
 * NAME
4682
 *   is_interface_wireless - Returns if an interface is wireless
4683
 * RESULT
4684
 *   $tmp       - Returns if an interface is wireless
4685
 ******/
4686
function is_interface_wireless($interface) {
4687
	global $config, $g;
4688

    
4689
	$friendly = convert_real_interface_to_friendly_interface_name($interface);
4690
	if(!isset($config['interfaces'][$friendly]['wireless'])) {
4691
		if (preg_match($g['wireless_regex'], $interface)) {
4692
			if (isset($config['interfaces'][$friendly]))
4693
				$config['interfaces'][$friendly]['wireless'] = array();
4694
			return true;
4695
		}
4696
		return false;
4697
	} else
4698
		return true;
4699
}
4700

    
4701
function get_wireless_modes($interface) {
4702
	/* return wireless modes and channels */
4703
	$wireless_modes = array();
4704

    
4705
	$cloned_interface = get_real_interface($interface);
4706

    
4707
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4708
		$chan_list = "/sbin/ifconfig {$cloned_interface} list chan";
4709
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4710
		$format_list = "/usr/bin/awk '{print \$5 \" \" \$6 \",\" \$1}'";
4711

    
4712
		$interface_channels = "";
4713
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4714
		$interface_channel_count = count($interface_channels);
4715

    
4716
		$c = 0;
4717
		while ($c < $interface_channel_count)
4718
		{
4719
			$channel_line = explode(",", $interface_channels["$c"]);
4720
			$wireless_mode = trim($channel_line[0]);
4721
			$wireless_channel = trim($channel_line[1]);
4722
			if(trim($wireless_mode) != "") {
4723
				/* if we only have 11g also set 11b channels */
4724
				if($wireless_mode == "11g") {
4725
					if(!isset($wireless_modes["11b"]))
4726
						$wireless_modes["11b"] = array();
4727
				} else if($wireless_mode == "11g ht") {
4728
					if(!isset($wireless_modes["11b"]))
4729
						$wireless_modes["11b"] = array();
4730
					if(!isset($wireless_modes["11g"]))
4731
						$wireless_modes["11g"] = array();
4732
					$wireless_mode = "11ng";
4733
				} else if($wireless_mode == "11a ht") {
4734
					if(!isset($wireless_modes["11a"]))
4735
						$wireless_modes["11a"] = array();
4736
					$wireless_mode = "11na";
4737
				}
4738
				$wireless_modes["$wireless_mode"]["$c"] = $wireless_channel;
4739
			}
4740
			$c++;
4741
		}
4742
	}
4743
	return($wireless_modes);
4744
}
4745

    
4746
/* return channel numbers, frequency, max txpower, and max regulation txpower */
4747
function get_wireless_channel_info($interface) {
4748
	$wireless_channels = array();
4749

    
4750
	$cloned_interface = get_real_interface($interface);
4751

    
4752
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4753
		$chan_list = "/sbin/ifconfig {$cloned_interface} list txpower";
4754
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4755
		$format_list = "/usr/bin/awk '{print \$1 \",\" \$3 \" \" \$4 \",\" \$5 \",\" \$7}'";
4756

    
4757
		$interface_channels = "";
4758
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4759

    
4760
		foreach ($interface_channels as $channel_line) {
4761
			$channel_line = explode(",", $channel_line);
4762
			if(!isset($wireless_channels[$channel_line[0]]))
4763
				$wireless_channels[$channel_line[0]] = $channel_line;
4764
		}
4765
	}
4766
	return($wireless_channels);
4767
}
4768

    
4769
/****f* interfaces/get_interface_mtu
4770
 * NAME
4771
 *   get_interface_mtu - Return the mtu of an interface
4772
 * RESULT
4773
 *   $tmp       - Returns the mtu of an interface
4774
 ******/
4775
function get_interface_mtu($interface) {
4776
	$mtu = pfSense_get_interface_addresses($interface);
4777
	return $mtu['mtu'];
4778
}
4779

    
4780
function get_interface_mac($interface) {
4781

    
4782
	$macinfo = pfSense_get_interface_addresses($interface);
4783
	return $macinfo["macaddr"];
4784
}
4785

    
4786
/****f* pfsense-utils/generate_random_mac_address
4787
 * NAME
4788
 *   generate_random_mac - generates a random mac address
4789
 * INPUTS
4790
 *   none
4791
 * RESULT
4792
 *   $mac - a random mac address
4793
 ******/
4794
function generate_random_mac_address() {
4795
	$mac = "02";
4796
	for($x=0; $x<5; $x++)
4797
		$mac .= ":" . dechex(rand(16, 255));
4798
	return $mac;
4799
}
4800

    
4801
/****f* interfaces/is_jumbo_capable
4802
 * NAME
4803
 *   is_jumbo_capable - Test if interface is jumbo frame capable.  Useful for determining VLAN capability.
4804
 * INPUTS
4805
 *   $int             - string containing interface name
4806
 * RESULT
4807
 *   boolean          - true or false
4808
 ******/
4809
function is_jumbo_capable($iface) {
4810
	$iface = trim($iface);
4811
	$capable = pfSense_get_interface_addresses($iface);
4812

    
4813
	if (isset($capable['caps']['vlanmtu']))
4814
		return true;
4815

    
4816
	return false;
4817
}
4818

    
4819
function interface_setup_pppoe_reset_file($pppif, $iface="") {
4820
	global $g;
4821

    
4822
	$cron_file = "{$g['varetc_path']}/pppoe_restart_{$pppif}";
4823

    
4824
	if(!empty($iface) && !empty($pppif)){
4825
		$cron_cmd = <<<EOD
4826
#!/bin/sh
4827
/usr/local/sbin/pfSctl -c 'interface reload {$iface}'
4828
/usr/bin/logger -t {$pppif} "PPPoE periodic reset executed on {$iface}"
4829

    
4830
EOD;
4831

    
4832
		@file_put_contents($cron_file, $cron_cmd);
4833
		chmod($cron_file, 0755);
4834
		sigkillbypid("{$g['varrun_path']}/cron.pid", "HUP");
4835
	} else
4836
		unlink_if_exists($cron_file);
4837
}
4838

    
4839
function get_interface_default_mtu($type = "ethernet") {
4840
	switch ($type) {
4841
	case "gre":
4842
		return 1476;
4843
		break;
4844
	case "gif":
4845
		return 1280;
4846
		break;
4847
	case "tun":
4848
	case "vlan":
4849
	case "tap":
4850
	case "ethernet":
4851
	default:
4852
		return 1500;
4853
		break;
4854
	}
4855

    
4856
	/* Never reached */
4857
	return 1500;
4858
}
4859

    
4860
function get_vip_descr($ipaddress) {
4861
	global $config;
4862

    
4863
	foreach ($config['virtualip']['vip'] as $vip) {
4864
		if ($vip['subnet'] == $ipaddress) {
4865
			return ($vip['descr']);
4866
		}
4867
	}
4868
	return "";
4869
}
4870

    
4871
function interfaces_staticarp_configure($if) {
4872
	global $config, $g;
4873
	if(isset($config['system']['developerspew'])) {
4874
		$mt = microtime();
4875
		echo "interfaces_staticarp_configure($if) being called $mt\n";
4876
	}
4877

    
4878
	$ifcfg = $config['interfaces'][$if];
4879

    
4880
	if (empty($if) || empty($ifcfg['if']) || !isset($ifcfg['enable']))
4881
		return 0;
4882

    
4883
	/* Enable staticarp, if enabled */
4884
	if(isset($config['dhcpd'][$if]['staticarp'])) {
4885
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " staticarp " );
4886
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4887
		if (is_array($config['dhcpd'][$if]['staticmap'])) {
4888

    
4889
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4890
				mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4891

    
4892
			}
4893

    
4894
		}
4895
	} else {
4896
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " -staticarp " );
4897
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4898
		if (is_array($config['dhcpd'][$if]['staticmap'])) {
4899
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4900
				if (isset($arpent['arp_table_static_entry'])) {
4901
					mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4902
				}
4903
			}
4904
		}
4905
	}
4906

    
4907
	return 0;
4908
}
4909

    
4910
function get_failover_interface($interface, $family = "all") {
4911
	global $config;
4912
	/* shortcut to get_real_interface if we find it in the config */
4913
	if(is_array($config['interfaces'][$interface])) {
4914
		$wanif = get_real_interface($interface, $family);
4915
		return $wanif;
4916
	}
4917

    
4918
	/* compare against gateway groups */
4919
	$a_groups = return_gateway_groups_array();
4920
	if(is_array($a_groups[$interface])) {
4921
		/* we found a gateway group, fetch the interface or vip */
4922
		if($a_groups[$interface][0]['vip'] <> "")
4923
			$wanif = $a_groups[$interface][0]['vip'];
4924
		else
4925
			$wanif = $a_groups[$interface][0]['int'];
4926

    
4927
		return $wanif;
4928
	}
4929
	/* fall through to get_real_interface */
4930
	$wanif = get_real_interface($interface, $family);
4931
	return $wanif;
4932
}
4933

    
4934
function remove_ifindex($ifname) {
4935
	return preg_replace("/[0-9]+$/", "", $ifname);
4936
}
4937

    
4938
?>
(25-25/66)