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

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

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

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

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

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

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

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

    
42
*/
43

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

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

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

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

    
68
	return $interface_arr_cache;
69
}
70

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

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

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

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

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

    
98

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

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

    
124
	return false;
125
}
126

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
267
	interfaces_bring_up($vlanif);
268

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

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

    
275
	return $vlanif;
276
}
277

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

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

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

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

    
298
	$vlanif = interface_vlan_configure($vlan);
299

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

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

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

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

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

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

    
351
	return $vlanif;
352
}
353

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

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

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

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

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

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

    
394
	return $vlanif;
395
}
396

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

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

    
403
	$iflist = get_configured_interface_list();
404

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

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

    
424
}
425

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

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

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

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

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

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

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

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

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

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

    
533
	$checklist = get_configured_interface_list();
534

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
754
	$checklist = get_interface_list();
755

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

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

    
768
	interfaces_bring_up($laggif);
769

    
770
	return $laggif;
771
}
772

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

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

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

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

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

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

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

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

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

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

    
844
	return $greif;
845
}
846

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

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

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

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

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

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

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

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

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

    
938

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

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

    
951
	return $gifif;
952
}
953

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

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

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

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

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

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

    
972
	interfaces_qinq_configure();
973

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

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

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

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

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

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

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

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

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

    
1030
		interface_configure($if, $reload);
1031

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

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

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

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

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

    
1051
		interface_configure($if, $reload);
1052

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

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

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

    
1066
		interface_configure($if, $reload);
1067

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

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

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

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

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

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

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

    
1093
	return 0;
1094
}
1095

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1267
	return;
1268
}
1269

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

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

    
1278
	return false;
1279
}
1280

    
1281
function interfaces_ptpid_next() {
1282

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

    
1287
	return $ptpid;
1288
}
1289

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

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

    
1301
	return NULL;
1302
}
1303

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

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

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

    
1313
	$itemhash = getMPDCRONSettings($pppif);
1314

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1574
EOD;
1575

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

    
1580
EOD;
1581

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

    
1589
EOD;
1590

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

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

    
1601
EOD;
1602

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

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

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

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

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

    
1629
EOD;
1630

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

    
1635
EOD;
1636

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

    
1641
EOD;
1642

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

    
1648
EOD;
1649

    
1650

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

    
1655
EOD;
1656

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

    
1662
EOD;
1663

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

    
1668
EOD;
1669

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

    
1674
EOD;
1675

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

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

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

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

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

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

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

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

    
1733
EOD;
1734

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

    
1740
EOD;
1741
		}
1742

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

    
1746

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

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

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

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

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

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

    
1821
	return 1;
1822
}
1823

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

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

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

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

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

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

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

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

    
1870
		sleep(1);
1871

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2118
	interfaces_bring_up($vipif);
2119

    
2120
	return $vipif;
2121
}
2122

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2481
EOD;
2482

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

    
2489
EOD;
2490

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

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

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

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

    
2518
			}
2519
			break;
2520
	}
2521

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2662

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

    
2667
	return 0;
2668

    
2669
}
2670

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

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

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

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

    
2688
	return intval($pid);
2689
}
2690

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

    
2694
	if ($interface)
2695
		if (isvalidpid("{$g['varrun_path']}/dhcp6c_{$interface}.pid"))
2696
			$pid = trim(file_get_contents("{$g['varrun_path']}/dhcp6c_{$interface}.pid"), " \n");
2697
	else
2698
		return(false);
2699

    
2700
	return intval($pid);
2701
}
2702

    
2703
function interface_configure($interface = "wan", $reloadall = false, $linkupevent = false) {
2704
	global $config, $g;
2705
	global $interface_sn_arr_cache, $interface_ip_arr_cache;
2706
	global $interface_snv6_arr_cache, $interface_ipv6_arr_cache;
2707

    
2708
	$wancfg = $config['interfaces'][$interface];
2709

    
2710
	if (!isset($wancfg['enable']))
2711
		return;
2712

    
2713
	$realif = get_real_interface($interface);
2714
	$realhwif_array = get_parent_interface($interface);
2715
	// Need code to handle MLPPP if we ever use $realhwif for MLPPP handling
2716
	$realhwif = $realhwif_array[0];
2717

    
2718
	/* Disable Accepting router advertisements unless specifically requested */
2719
	if ($g['debug'])
2720
		log_error("Deny router advertisements for interface {$interface}");
2721
	mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 -accept_rtadv");
2722

    
2723
	if (!$g['booting'] && !(substr($realif, 0, 4) == "ovpn")) {
2724
		/* remove all IPv4 and IPv6 addresses */
2725
		while (mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " -alias", true) == 0);
2726
		while (mwexec("/sbin/ifconfig " . escapeshellarg($realif) . " inet6 -alias", true) == 0);
2727

    
2728
		/* only bring down the interface when both v4 and v6 are set to NONE */
2729
		if(empty($wancfg['ipaddr']) && empty($wancfg['ipaddrv6'])) {
2730
			interface_bring_down($interface);
2731
		}
2732
	}
2733

    
2734
	/* wireless configuration? */
2735
	if (is_array($wancfg['wireless']))
2736
		interface_wireless_configure($realif, $wancfg, $wancfg['wireless']);
2737

    
2738
	$mac = get_interface_mac($realhwif);
2739
	/*
2740
	 * Don't try to reapply the spoofed MAC if it's already applied.
2741
	 * When ifconfig link is used, it cycles the interface down/up, which triggers
2742
	 * the interface config again, which attempts to spoof the MAC again,
2743
	 * which cycles the link again...
2744
	 */
2745
	if ($wancfg['spoofmac'] && ($wancfg['spoofmac'] != $mac)) {
2746
		mwexec("/sbin/ifconfig " . escapeshellarg($realhwif) .
2747
			" link " . escapeshellarg($wancfg['spoofmac']));
2748

    
2749
		/*
2750
		 * All vlans need to spoof their parent mac address, too.  see
2751
		 * ticket #1514: http://cvstrac.pfsense.com/tktview?tn=1514,33
2752
		 */
2753
		if (is_array($config['vlans']['vlan'])) {
2754
			foreach ($config['vlans']['vlan'] as $vlan) {
2755
				if ($vlan['if'] == $realhwif)
2756
					mwexec("/sbin/ifconfig " . escapeshellarg($vlan['vlanif']) .
2757
					" link " . escapeshellarg($wancfg['spoofmac']));
2758
			}
2759
		}
2760
	}  else {
2761

    
2762
		if ($mac == "ff:ff:ff:ff:ff:ff") {
2763
			/*   this is not a valid mac address.  generate a
2764
			 *   temporary mac address so the machine can get online.
2765
			 */
2766
			echo gettext("Generating new MAC address.");
2767
			$random_mac = generate_random_mac_address();
2768
			mwexec("/sbin/ifconfig " . escapeshellarg($realhwif) .
2769
				" link " . escapeshellarg($random_mac));
2770
			$wancfg['spoofmac'] = $random_mac;
2771
			write_config();
2772
			file_notice("MAC Address altered", sprintf(gettext('The INVALID MAC address (ff:ff:ff:ff:ff:ff) on interface %1$s has been automatically replaced with %2$s'), $realif, $random_mac), "Interfaces");
2773
		}
2774
	}
2775

    
2776
	/* media */
2777
	if ($wancfg['media'] || $wancfg['mediaopt']) {
2778
		$cmd = "/sbin/ifconfig " . escapeshellarg($realhwif);
2779
		if ($wancfg['media'])
2780
			$cmd .= " media " . escapeshellarg($wancfg['media']);
2781
		if ($wancfg['mediaopt'])
2782
			$cmd .= " mediaopt " . escapeshellarg($wancfg['mediaopt']);
2783
		mwexec($cmd);
2784
	}
2785
	$options = pfSense_get_interface_addresses($realhwif);
2786
	if (is_array($options) && isset($options['caps']['polling'])) {
2787
		if (isset($config['system']['polling']))
2788
			pfSense_interface_capabilities($realif, IFCAP_POLLING);
2789
		else
2790
			pfSense_interface_capabilities($realif, -IFCAP_POLLING);
2791
	}
2792

    
2793
	/* skip vlans for checksumming and polling */
2794
	if (!stristr($realif, "vlan") && is_array($options)) {
2795
		$flags = 0;
2796
		if(isset($config['system']['disablechecksumoffloading'])) {
2797
			if (isset($options['encaps']['txcsum']))
2798
				$flags |= IFCAP_TXCSUM;
2799
			if (isset($options['encaps']['rxcsum']))
2800
				$flags |= IFCAP_RXCSUM;
2801
		} else {
2802
			if (!isset($options['caps']['txcsum']))
2803
				$flags |= IFCAP_TXCSUM;
2804
			if (!isset($options['caps']['rxcsum']))
2805
				$flags |= IFCAP_RXCSUM;
2806
		}
2807

    
2808
		if(isset($config['system']['disablesegmentationoffloading'])) {
2809
			if (isset($options['encaps']['tso4']))
2810
				$flags |= IFCAP_TSO;
2811
			if (isset($options['encaps']['tso6']))
2812
				$flags |= IFCAP_TSO;
2813
		} else {
2814
			if (!isset($options['caps']['tso4']))
2815
				$flags |= IFCAP_TSO;
2816
			if (!isset($options['caps']['tso6']))
2817
				$flags |= IFCAP_TSO;
2818
		}
2819

    
2820
		if(isset($config['system']['disablelargereceiveoffloading'])) {
2821
			if (isset($options['encaps']['lro']))
2822
				$flags |= IFCAP_LRO;
2823
		} else {
2824
			if (!isset($options['caps']['lro']))
2825
				$flags |= IFCAP_LRO;
2826
		}
2827

    
2828
		/* if the NIC supports polling *AND* it is enabled in the GUI */
2829
		if (!isset($config['system']['polling']) || !isset($options['caps']['polling'])) {
2830
			$flags |= IFCAP_POLLING;
2831
		}
2832
		pfSense_interface_capabilities($realhwif, -$flags);
2833
	}
2834

    
2835
	/* invalidate interface/ip/sn cache */
2836
	get_interface_arr(true);
2837
	unset($interface_ip_arr_cache[$realif]);
2838
	unset($interface_sn_arr_cache[$realif]);
2839
	unset($interface_ipv6_arr_cache[$realif]);
2840
	unset($interface_snv6_arr_cache[$realif]);
2841

    
2842
	switch ($wancfg['ipaddr']) {
2843
		case 'dhcp':
2844
			interface_dhcp_configure($interface);
2845
			break;
2846
		case 'pppoe':
2847
		case 'l2tp':
2848
		case 'pptp':
2849
		case 'ppp':
2850
			interface_ppps_configure($interface);
2851
			break;
2852
		default:
2853
			if (is_ipaddr($wancfg['ipaddr']) && $wancfg['subnet'] <> "") {
2854
				pfSense_interface_setaddress($realif, "{$wancfg['ipaddr']}/{$wancfg['subnet']}");
2855
			} else if (substr($realif, 0, 3) == "gre") {
2856
				if (is_array($config['gres']['gre'])) {
2857
					foreach ($config['gres']['gre'] as $gre)
2858
						if ($gre['greif'] == $realif)
2859
							interface_gre_configure($gre);
2860
				}
2861
			} else if (substr($realif, 0, 3) == "gif") {
2862
				if (is_array($config['gifs']['gif'])) {
2863
					foreach ($config['gifs']['gif'] as $gif)
2864
						if($gif['gifif'] == $realif)
2865
							interface_gif_configure($gif);
2866
				}
2867
			} else if (substr($realif, 0, 4) == "ovpn") {
2868
				/* XXX: Should be done anything?! */
2869
			}
2870
			break;
2871
	}
2872

    
2873
	switch ($wancfg['ipaddrv6']) {
2874
		case 'slaac':
2875
		case 'dhcp6':
2876
			interface_dhcpv6_configure($interface, $wancfg);
2877
			break;
2878
		case '6rd':
2879
			interface_6rd_configure($interface, $wancfg);
2880
			break;
2881
		case '6to4':
2882
			interface_6to4_configure($interface, $wancfg);
2883
			break;
2884
		case 'track6':
2885
			interface_track6_configure($interface, $wancfg);
2886
			break;
2887
		default:
2888
			if (is_ipaddr($wancfg['ipaddrv6']) && $wancfg['subnetv6'] <> "") {
2889
				pfSense_interface_setaddress($realif, "{$wancfg['ipaddrv6']}/{$wancfg['subnetv6']}");
2890
				// FIXME: Add IPv6 Support to the pfSense module
2891
				mwexec("/sbin/ifconfig {$realif} inet6 {$wancfg['ipaddrv6']} prefixlen {$wancfg['subnetv6']} ");
2892
			}
2893
			break;
2894
	}
2895

    
2896
	$mtu = get_interface_default_mtu(remove_ifindex($realhwif));
2897

    
2898
	if (!empty($wancfg['mtu'])) {
2899
		if (stristr($realif, "vlan")) {
2900
			$assginedparent = convert_real_interface_to_friendly_interface_name($realhwif);
2901
			if (!empty($assginedparent)) {
2902
				$parentmtu = $config['interfaces'][$assginedparent]['mtu'];
2903
				if (empty($parentmtu))
2904
					$parentmtu = get_interface_mtu($realhwif);
2905
				if ($wancfg['mtu'] > $parentmtu)
2906
					pfSense_interface_mtu($realhwif, $wancfg['mtu']);
2907
			} else if ($wancfg['mtu'] != get_interface_mtu($realhwif))
2908
				pfSense_interface_mtu($realhwif, $wancfg['mtu']);
2909
		} else if ($wancfg['mtu'] != get_interface_mtu($realif))
2910
			pfSense_interface_mtu($realif, $wancfg['mtu']);
2911
	} else if ($mtu != get_interface_mtu($realhwif))
2912
		/* XXX: This is really dangerous for example with vlans changing their parent mtu! */
2913
		pfSense_interface_mtu($realhwif, $mtu);
2914

    
2915
	/*
2916
	 * All vlans need to use the same mtu value as their parent.
2917
	 * XXX: This is wrong. It should check for assigned vlans and see if there is any mtu set
2918
	 */
2919
	if (is_array($config['vlans']['vlan']))
2920
		foreach ($config['vlans']['vlan'] as $vlan)
2921
			if (($vlan['if'] == $realhwif) && (get_interface_mtu($vlan['vlanif']) != $mtu))
2922
				pfSense_interface_mtu($vlan['vlanif'], $mtu);
2923

    
2924
	if(does_interface_exist($wancfg['if']))
2925
		interfaces_bring_up($wancfg['if']);
2926

    
2927
	interface_netgraph_needed($interface);
2928

    
2929
	if (!$g['booting']) {
2930
		link_interface_to_vips($interface, "update");
2931

    
2932
		unset($gre);
2933
		$gre = link_interface_to_gre($interface);
2934
		if (!empty($gre))
2935
			array_walk($gre, 'interface_gre_configure');
2936

    
2937
		unset($gif);
2938
		$gif = link_interface_to_gif($interface);
2939
		if (!empty($gif))
2940
			array_walk($gif, 'interface_gif_configure');
2941

    
2942
		if ($linkupevent == false || substr($realif, 0, 4) == "ovpn") {
2943
			unset($bridgetmp);
2944
			$bridgetmp = link_interface_to_bridge($interface);
2945
			if (!empty($bridgetmp))
2946
				interface_bridge_add_member($bridgetmp, $realif);
2947
		}
2948

    
2949
		$grouptmp = link_interface_to_group($interface);
2950
		if (!empty($grouptmp))
2951
			array_walk($grouptmp, 'interface_group_add_member');
2952

    
2953
		if ($interface == "lan")
2954
			/* make new hosts file */
2955
			system_hosts_generate();
2956

    
2957
		if ($reloadall == true) {
2958

    
2959
			/* reconfigure static routes (kernel may have deleted them) */
2960
			system_routing_configure($interface);
2961

    
2962
			/* reload ipsec tunnels */
2963
			vpn_ipsec_configure();
2964

    
2965
			/* restart dnsmasq */
2966
			services_dnsmasq_configure();
2967

    
2968
			/* update dyndns */
2969
			send_event("service reload dyndns {$interface}");
2970

    
2971
			/* reload captive portal */
2972
			captiveportal_init_rules();
2973
		}
2974
	}
2975

    
2976
	return 0;
2977
}
2978

    
2979
function interface_track6_configure($interface = "lan", $wancfg) {
2980
	global $config, $g;
2981

    
2982
	if (!is_array($wancfg))
2983
		return;
2984

    
2985
	if (!isset($wancfg['enable']))
2986
		return;
2987

    
2988
	/* If the interface is not configured via another, exit */
2989
	if (empty($wancfg['track6-interface']))
2990
		return;
2991

    
2992
	/* always configure a link-local of fe80::1:1 on the track6 interfaces */
2993
	$realif = get_real_interface($interface);
2994
	mwexec("/sbin/ifconfig {$realif} inet6 fe80::1:1%{$realif}");
2995

    
2996
	$trackcfg = $config['interfaces'][$wancfg['track6-interface']];
2997
	if (!isset($trackcfg['enable'])) {
2998
		log_error("Interface {$interface} tracking non-existant interface {$wancfg['track6-interface']}");
2999
		return;
3000
	}
3001

    
3002
	switch($trackcfg['ipaddrv6']) {
3003
		case "6to4":
3004
			if ($g['debug'])
3005
				log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3006
			interface_track6_6to4_configure($interface, $wancfg);
3007
			break;
3008
		case "6rd":
3009
			if ($g['debug'])
3010
				log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3011
			interface_track6_6rd_configure($interface, $wancfg);
3012
			break;
3013
		case "dhcp6":
3014
			if ($g['debug'])
3015
				log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3016
			interface_track6_dhcp6_configure($interface, $wancfg);
3017
			break;
3018
	}
3019

    
3020
	if (!function_exists('services_dhcpd_configure'))
3021
		require_once("services.inc");
3022

    
3023
	services_dhcpd_configure("inet6");
3024

    
3025
	return 0;
3026
}
3027

    
3028
function interface_track6_6rd_configure($interface = "lan", $lancfg) {
3029
	global $config, $g;
3030

    
3031
	if (!is_array($lancfg))
3032
		return;
3033

    
3034
	/* If the interface is not configured via another, exit */
3035
	if (empty($lancfg['track6-interface']))
3036
		return;
3037

    
3038
	if (!is_numeric($lancfg['track6-prefix-id']))
3039
		$lancfg['track6-prefix-id'] = 0;
3040

    
3041
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3042
	if (empty($wancfg)) {
3043
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3044
		return;
3045
	}
3046

    
3047
	$wanif = get_real_interface($lancfg['track6-interface']);
3048
	$ip4address = find_interface_ip($wanif);
3049
	if (!is_ipaddrv4($ip4address)) { /* XXX: This should not be needed by 6rd || (is_private_ip($ip4address))) { */
3050
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3051
		return;
3052
	}
3053
	$hexwanv4 = return_hex_ipv4($ip4address);
3054

    
3055
	/* create the long prefix notation for math, save the prefix length */
3056
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3057
	$rd6prefixlen = $rd6prefix[1];
3058
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3059

    
3060
	/* binary presentation of the prefix for all 128 bits. */
3061
	$rd6lanbin = convert_ipv6_to_128bit($rd6prefix);
3062

    
3063
	/* just save the left prefix length bits */
3064
	$rd6lanbin = substr($rd6lanbin, 0, $rd6prefixlen);
3065
	/* add the v4 address, offset n bits from the left */
3066
	$rd6lanbin .= substr(sprintf("%032b", hexdec($hexwanv4)), (0 + $wancfg['prefix-6rd-v4plen']), 32);
3067

    
3068
	/* add the custom prefix id, max 32bits long? (64 bits - (prefixlen + (32 - v4plen)) */
3069
	/* 64 - (37 + (32 - 17)) = 8 == /52 */
3070
	$restbits = 64 - ($rd6prefixlen + (32 - $wancfg['prefix-6rd-v4plen']));
3071
	// echo "64 - (prefixlen {$rd6prefixlen} + v4len (32 - {$wancfg['prefix-6rd-v4plen']})) = {$restbits} \n";
3072
	$rd6lanbin .= substr(sprintf("%032b", str_pad($lancfg['track6-prefix-id'], 32, "0", STR_PAD_LEFT)), (32 - $restbits), 32);
3073
	/* fill the rest out with zeros */
3074
	$rd6lanbin = str_pad($rd6lanbin, 128, "0", STR_PAD_RIGHT);;
3075

    
3076
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3077
	$rd6lan = convert_128bit_to_ipv6($rd6lanbin) ."1";
3078

    
3079
	$lanif = get_real_interface($interface);
3080
	$oip = find_interface_ipv6($lanif);
3081
	if (is_ipaddrv6($oip))
3082
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3083
	log_error("rd6 {$interface} with ipv6 address {$rd6lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3084
	mwexec("/sbin/ifconfig {$lanif} inet6 {$rd6lan} prefixlen 64");
3085

    
3086
	return 0;
3087
}
3088

    
3089
function interface_track6_6to4_configure($interface = "lan", $lancfg) {
3090
	global $config, $g;
3091

    
3092
	if (!is_array($lancfg))
3093
		return;
3094

    
3095
	/* If the interface is not configured via another, exit */
3096
	if (empty($lancfg['track6-interface']))
3097
		return;
3098

    
3099
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3100
	if (empty($wancfg)) {
3101
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3102
		return;
3103
	}
3104

    
3105
	if (!is_numeric($lancfg['track6-prefix-id']))
3106
		$lancfg['track6-prefix-id'] = 0;
3107

    
3108
	$wanif = get_real_interface($lancfg['track6-interface']);
3109
	$ip4address = find_interface_ip($wanif);
3110
	if (!is_ipaddrv4($ip4address) || is_private_ip($ip4address)) {
3111
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3112
		return;
3113
	}
3114
	$hexwanv4 = return_hex_ipv4($ip4address);
3115

    
3116
	/* create the long prefix notation for math, save the prefix length */
3117
	$sixto4prefix = "2002::";
3118
	$sixto4prefixlen = 16;
3119
	$sixto4prefix = Net_IPv6::uncompress($sixto4prefix);
3120

    
3121
	/* binary presentation of the prefix for all 128 bits. */
3122
	$sixto4lanbin = convert_ipv6_to_128bit($sixto4prefix);
3123

    
3124
	/* just save the left prefix length bits */
3125
	$sixto4lanbin = substr($sixto4lanbin, 0, $sixto4prefixlen);
3126
	/* add the v4 address */
3127
	$sixto4lanbin .= sprintf("%032b", hexdec($hexwanv4));
3128
	/* add the custom prefix id */
3129
	$sixto4lanbin .= sprintf("%016b", $lancfg['track6-prefix-id']);
3130
	/* fill the rest out with zeros */
3131
	$sixto4lanbin = str_pad($sixto4lanbin, 128, "0", STR_PAD_RIGHT);;
3132

    
3133
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3134
	$sixto4lan = convert_128bit_to_ipv6($sixto4lanbin) ."1";
3135

    
3136
	$lanif = get_real_interface($interface);
3137
	$oip = find_interface_ipv6($lanif);
3138
	if (is_ipaddrv6($oip))
3139
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3140
	log_error("sixto4 {$interface} with ipv6 address {$sixto4lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3141
	mwexec("/sbin/ifconfig {$lanif} inet6 {$sixto4lan} prefixlen 64");
3142

    
3143
	return 0;
3144
}
3145

    
3146
function interface_track6_dhcp6_configure($interface = "lan", $lancfg) {
3147
	global $config, $g;
3148

    
3149
	if (!is_array($lancfg))
3150
		return;
3151

    
3152
	/* If the interface is not configured via another, exit */
3153
	if (empty($lancfg['track6-interface']))
3154
		return;
3155

    
3156
	if (!is_numeric($lancfg['track6-prefix-id']))
3157
		$lancfg['track6-prefix-id'] = 0;
3158

    
3159
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3160
	if (empty($wancfg)) {
3161
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3162
		return;
3163
	}
3164

    
3165
	$lanif = get_real_interface($interface);
3166
	$oip = find_interface_ipv6($lanif);
3167
	if (is_ipaddrv6($oip))
3168
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3169

    
3170
	if ($wancfg['ipaddrv6'] == "slaac") {
3171
		$wanif = get_real_interface($lancfg['track6-interface']);
3172
		$ifcfgipv6 = find_interface_ipv6($wanif);
3173
		if (is_ipaddrv6($ifcfgipv6)) {
3174
			$dhcp6lanarr = explode(":", Net_IPv6::uncompress($ifcfgipv6));
3175
			$dhcp6lanarr[4] = 0;
3176
			$dhcp6lanarr[5] = 0;
3177
			$dhcp6lanarr[6] = 0;
3178
			$dhcp6lanarr[7] = 1;
3179
			$dhcp6lan =  Net_IPv6::compress(implode(":", $dhcp6lanarr));
3180
			log_error("dhcp6 {$interface} with ipv6 address {$dhcp6lan} based on {$lancfg['track6-interface']}");
3181
			mwexec("/sbin/ifconfig {$lanif} inet6 {$dhcp6lan} prefixlen 64");
3182
		}
3183
	}
3184

    
3185
	return 0;
3186
}
3187

    
3188
function interface_6rd_configure($interface = "wan", $wancfg) {
3189
	global $config, $g;
3190

    
3191
	/* because this is a tunnel interface we can only function
3192
	 *	with a public IPv4 address on the interface */
3193

    
3194
	if (!is_array($wancfg))
3195
		return;
3196

    
3197
	$wanif = get_real_interface($interface);
3198
	$ip4address = find_interface_ip($wanif);
3199
	if ((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3200
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3201
		return false;
3202
	}
3203
	$hexwanv4 = return_hex_ipv4($ip4address);
3204

    
3205
	if (!is_numeric($wancfg['prefix-6rd-v4plen']))
3206
		$wancfg['prefix-6rd-v4plen'] = 0;
3207

    
3208
	/* create the long prefix notation for math, save the prefix length */
3209
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3210
	$rd6prefixlen = $rd6prefix[1];
3211
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3212

    
3213
	/* we need the hex form of the broker IPv4 address */
3214
	$hexbrv4 = return_hex_ipv4($wancfg['gateway-6rd']);
3215

    
3216
	/* binary presentation of the prefix for all 128 bits. */
3217
	$rd6prefixbin = convert_ipv6_to_128bit($rd6prefix);
3218

    
3219
	/* just save the left prefix length bits */
3220
	$rd6brprefixbin = substr($rd6prefixbin, 0, $rd6prefixlen);
3221
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3222
	$rd6brprefixbin .= substr(sprintf("%032b", hexdec($hexbrv4)), $wancfg['prefix-6rd-v4plen'], 32);
3223
	/* fill out the rest with 0's */
3224
	$rd6brprefixbin = str_pad($rd6brprefixbin, 128, "0", STR_PAD_RIGHT);
3225

    
3226
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3227
	$rd6brgw = convert_128bit_to_ipv6($rd6brprefixbin);
3228

    
3229
	/* just save the left prefix length bits */
3230
	$rd6prefixbin = substr($rd6prefixbin, 0, $rd6prefixlen);
3231
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3232
	$rd6prefixbin .= substr(sprintf("%032b", hexdec($hexwanv4)), $wancfg['prefix-6rd-v4plen'], 32);
3233
	/* fill out the rest with 0's */
3234
	$rd6prefixbin = str_pad($rd6prefixbin, 128, "0", STR_PAD_RIGHT);;
3235

    
3236
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3237
	$rd6prefix = convert_128bit_to_ipv6($rd6prefixbin);
3238

    
3239
	/* XXX: need to extend to support variable prefix size for v4 */
3240
	if (!is_module_loaded("if_stf"))
3241
		mwexec("/sbin/kldload if_stf.ko");
3242
	$stfiface = "{$interface}_stf";
3243
	if (does_interface_exist($stfiface))
3244
		pfSense_interface_destroy($stfiface);
3245
	$tmpstfiface = pfSense_interface_create("stf");
3246
	pfSense_interface_rename($tmpstfiface, $stfiface);
3247
	pfSense_interface_flags($stfiface, IFF_LINK2);
3248
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$rd6prefix}/{$rd6prefixlen}");
3249
	if ($g['debug'])
3250
		log_error("Created 6rd interface {$stfiface} {$rd6prefix}/{$rd6prefixlen}");
3251

    
3252
	/* write out a default router file */
3253
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$rd6brgw}\n");
3254
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$rd6brgw}\n");
3255

    
3256
	$ip4gateway = get_interface_gateway($interface);
3257
	if (is_ipaddrv4($ip4gateway))
3258
		mwexec("/sbin/route change -host " . $wancfg['gateway-6rd'] . " {$ip4gateway}");
3259

    
3260
	/* configure dependent interfaces */
3261
	if (!$g['booting'])
3262
		link_interface_to_track6($interface, "update");
3263

    
3264
	return 0;
3265
}
3266

    
3267
function interface_6to4_configure($interface = "wan", $wancfg){
3268
	global $config, $g;
3269

    
3270
	/* because this is a tunnel interface we can only function
3271
	 *	with a public IPv4 address on the interface */
3272

    
3273
	if (!is_array($wancfg))
3274
		return;
3275

    
3276
	$wanif = get_real_interface($interface);
3277
	$ip4address = find_interface_ip($wanif);
3278
	if((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3279
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3280
		return false;
3281
	}
3282

    
3283
	/* create the long prefix notation for math, save the prefix length */
3284
	$stfprefixlen = 16;
3285
	$stfprefix = Net_IPv6::uncompress("2002::");
3286
	$stfarr = explode(":", $stfprefix);
3287
	$v4prefixlen = "0";
3288

    
3289
	/* we need the hex form of the interface IPv4 address */
3290
	$ip4arr = explode(".", $ip4address);
3291
	$hexwanv4 = "";
3292
	foreach($ip4arr as $octet)
3293
		$hexwanv4 .= sprintf("%02x", $octet);
3294

    
3295
	/* we need the hex form of the broker IPv4 address */
3296
	$ip4arr = explode(".", "192.88.99.1");
3297
	$hexbrv4 = "";
3298
	foreach($ip4arr as $octet)
3299
		$hexbrv4 .= sprintf("%02x", $octet);
3300

    
3301
	/* binary presentation of the prefix for all 128 bits. */
3302
	$stfprefixbin = "";
3303
	foreach($stfarr as $element) {
3304
		$stfprefixbin .= sprintf("%016b", hexdec($element));
3305
	}
3306
	/* just save the left prefix length bits */
3307
	$stfprefixstartbin = substr($stfprefixbin, 0, $stfprefixlen);
3308

    
3309
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3310
	$stfbrokerbin = substr(sprintf("%032b", hexdec($hexbrv4)), $v4prefixlen, 32);
3311
	$stfbrokerbin = str_pad($stfprefixstartbin . $stfbrokerbin, 128, "0", STR_PAD_RIGHT);;
3312

    
3313
	/* for the local subnet too. */
3314
	$stflanbin = substr(sprintf("%032b", hexdec($hexwanv4)), $v4prefixlen, 32);
3315
	$stflanbin = str_pad($stfprefixstartbin . $stflanbin, 128, "0", STR_PAD_RIGHT);;
3316

    
3317
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3318
	$stfbrarr = array();
3319
	$stfbrbinarr = array();
3320
	$stfbrbinarr = str_split($stfbrokerbin, 16);
3321
	foreach($stfbrbinarr as $bin)
3322
		$stfbrarr[] = dechex(bindec($bin));
3323
	$stfbrgw = Net_IPv6::compress(implode(":", $stfbrarr));
3324

    
3325
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3326
	$stflanarr = array();
3327
	$stflanbinarr = array();
3328
	$stflanbinarr = str_split($stflanbin, 16);
3329
	foreach($stflanbinarr as $bin)
3330
		$stflanarr[] = dechex(bindec($bin));
3331
	$stflanpr = Net_IPv6::compress(implode(":", $stflanarr));
3332
	$stflanarr[7] = 1;
3333
	$stflan = Net_IPv6::compress(implode(":", $stflanarr));
3334

    
3335
	/* setup the stf interface */
3336
	if (!is_module_loaded("if_stf"))
3337
		mwexec("/sbin/kldload if_stf.ko");
3338
	$stfiface = "{$interface}_stf";
3339
	if (does_interface_exist($stfiface))
3340
		pfSense_interface_destroy($stfiface);
3341
	$tmpstfiface = pfSense_interface_create("stf");
3342
	pfSense_interface_rename($tmpstfiface, $stfiface);
3343
	pfSense_interface_flags($stfiface, IFF_LINK2);
3344
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$stflanpr} prefixlen 16");
3345

    
3346
	if ($g['debug'])
3347
		log_error("Set IPv6 address inet6 {$stflanpr} prefixlen 16 for {$stfiface}, route {$stfbrgw}");
3348

    
3349
	/* write out a default router file */
3350
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$stfbrgw}");
3351
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$stfbrgw}");
3352

    
3353
	$ip4gateway = get_interface_gateway($interface);
3354
	if (is_ipaddrv4($ip4gateway))
3355
		mwexec("route change -host 192.88.99.1 {$ip4gateway}");
3356

    
3357
	if (!$g['booting'])
3358
		link_interface_to_track6($interface, "update");
3359

    
3360
	return 0;
3361
}
3362

    
3363
function interface_dhcpv6_configure($interface = "wan", $wancfg) {
3364
	global $config, $g;
3365

    
3366
	if (!is_array($wancfg))
3367
		return;
3368

    
3369
	$wanif = get_real_interface($interface);
3370
	$dhcp6cconf = "";
3371
	$dhcp6cconf .= "interface {$wanif} {\n";
3372

    
3373
	/* for SLAAC interfaces we do fire off a dhcp6 client for just our name servers */
3374
	if($wancfg['ipaddrv6'] == "slaac") {
3375
		$dhcp6cconf .= "	information-only;\n";
3376
		$dhcp6cconf .= "	request domain-name-servers;\n";
3377
		$dhcp6cconf .= "	request domain-name;\n";
3378
		$dhcp6cconf .= "	script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3379
		$dhcp6cconf .= "};\n";
3380
	} else {
3381

    
3382
		$dhcp6cconf .= " 	send ia-na 0;	# request stateful address\n";
3383
		if(is_numeric($wancfg['dhcp6-ia-pd-len']))
3384
			$dhcp6cconf .= "	send ia-pd 0;	# request prefix delegation\n";
3385
		$dhcp6cconf .= "request domain-name-servers;\n";
3386
		$dhcp6cconf .= "request domain-name;\n";
3387
		$dhcp6cconf .= "script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3388

    
3389
		$dhcp6cconf .= "};\n";
3390
		$dhcp6cconf .= "id-assoc na 0 { };\n";
3391
		if(is_numeric($wancfg['dhcp6-ia-pd-len'])) {
3392
			/* Setup the prefix delegation */
3393
			$dhcp6cconf .= "id-assoc pd 0 {\n";
3394
			$iflist = link_interface_to_track6($interface);
3395
			foreach ($iflist as $friendly => $ifcfg) {
3396
				if (is_numeric($ifcfg['track6-prefix-id'])) {
3397
					if ($g['debug'])
3398
						log_error("setting up $ifdescr - {$ifcfg['track6-prefix-id']}");
3399
					$realif = get_real_interface($friendly);
3400
					$dhcp6cconf .= "	prefix-interface {$realif} {\n";
3401
					$dhcp6cconf .= "		sla-id {$ifcfg['track6-prefix-id']};\n";
3402
					$dhcp6cconf .= "		sla-len {$wancfg['dhcp6-ia-pd-len']};\n";
3403
					$dhcp6cconf .= "	};\n";
3404
				}
3405
			}
3406
			unset($iflist, $ifcfg);
3407
			$dhcp6cconf .= "};\n";
3408
		}
3409
	}
3410
	/* wide-dhcp6c works for now. */
3411
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}.conf", $dhcp6cconf)) {
3412
		printf("Error: cannot open dhcp6c_{$interface}.conf in interface_dhcpv6_configure() for writing.\n");
3413
		unset($dhcp6cconf);
3414
		return 1;
3415
	}
3416
	unset($dhcp6cconf);
3417

    
3418
	$dhcp6cscript = "#!/bin/sh\n";
3419
	$dhcp6cscript .= "# This shell script launches /etc/rc.newwanipv6 with a interface argument.\n";
3420
	$dhcp6cscript .= "/etc/rc.newwanipv6 {$wanif} \n";
3421
	/* Add wide-dhcp6c shell script here. Because we can not pass a argument to it. */
3422
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", $dhcp6cscript)) {
3423
		printf("Error: cannot open dhcp6c_{$interface}_script.sh in interface_dhcpv6_configure() for writing.\n");
3424
		unset($dhcp6cscript);
3425
		return 1;
3426
	}
3427
	unset($dhcp6cscript);
3428
	@chmod("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", 0755);
3429

    
3430

    
3431
	/* accept router advertisements for this interface */
3432
	mwexec("/sbin/sysctl -w net.inet6.ip6.accept_rtadv=1");
3433
	log_error("Accept router advertisements on interface {$wanif} ");
3434
	mwexec("/sbin/ifconfig {$wanif} inet6 accept_rtadv");
3435

    
3436
	/* run a filter configure sync so that the filter rules allow traffic before we launch the client */
3437
	/* there reallyt is no good way around this i'm 'fraid */
3438
	if (!$g['booting'])
3439
		filter_configure_sync();
3440

    
3441
	/* fire up dhcp6c for IPv6 first, this backgrounds immediately */
3442
	mwexec("/usr/local/sbin/dhcp6c -d -c {$g['varetc_path']}/dhcp6c_{$interface}.conf -p {$g['varrun_path']}/dhcp6c_{$interface}.pid {$wanif}");
3443
	sleep(1);
3444
	unset($out);
3445
	exec("/sbin/rtsol -d {$wanif} 2>&1", $out, $ret);
3446
	if (!empty($out)) {
3447
		foreach($out as $line) {
3448
			if((stristr($line, "received")) && (!stristr($line, "unexpected"))) {
3449
				$parts = explode(" ", $line);
3450
				if(is_ipaddrv6($parts[3])) {
3451
					log_error("Found IPv6 default gateway '{$parts[3]}' by RA.");
3452
					file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$parts[3]}\n");
3453
					file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$parts[3]}\n");
3454
					break;
3455
				}
3456
			}
3457
		}
3458
		unset($out);
3459
	}
3460
	/* worst case is that the rc.newwanipv6 handles setting up the track6 interface */
3461
	if (!$g['booting'] && $wancfg['ipaddrv6'] != "slaac")
3462
		link_interface_to_track6($interface, "update");
3463

    
3464
	return 0;
3465
}
3466

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

    
3470
	$wancfg = $config['interfaces'][$interface];
3471
	$wanif = $wancfg['if'];
3472
	if (empty($wancfg))
3473
		$wancfg = array();
3474

    
3475
	/* generate dhclient_wan.conf */
3476
	$fd = fopen("{$g['varetc_path']}/dhclient_{$interface}.conf", "w");
3477
	if (!$fd) {
3478
		printf(printf(gettext("Error: cannot open dhclient_%s.conf in interface_dhcp_configure() for writing.%s"), $interface, "\n"));
3479
		return 1;
3480
	}
3481

    
3482
	if ($wancfg['dhcphostname']) {
3483
		$dhclientconf_hostname = "send dhcp-client-identifier \"{$wancfg['dhcphostname']}\";\n";
3484
		$dhclientconf_hostname .= "\tsend host-name \"{$wancfg['dhcphostname']}\";\n";
3485
	} else {
3486
		$dhclientconf_hostname = "";
3487
	}
3488

    
3489
	$wanif = get_real_interface($interface);
3490
	if (empty($wanif)) {
3491
		log_error(sprintf(gettext("Invalid interface \"%s\" in interface_dhcp_configure()"), $interface));
3492
		return 0;
3493
	}
3494
	$dhclientconf = "";
3495

    
3496
	$dhclientconf .= <<<EOD
3497
interface "{$wanif}" {
3498
timeout 60;
3499
retry 15;
3500
select-timeout 0;
3501
initial-interval 1;
3502
	{$dhclientconf_hostname}
3503
	script "/sbin/dhclient-script";
3504
}
3505

    
3506
EOD;
3507

    
3508
if(is_ipaddr($wancfg['alias-address'])) {
3509
	$subnetmask = gen_subnet_mask($wancfg['alias-subnet']);
3510
	$dhclientconf .= <<<EOD
3511
alias {
3512
	interface  "{$wanif}";
3513
	fixed-address {$wancfg['alias-address']};
3514
	option subnet-mask {$subnetmask};
3515
}
3516

    
3517
EOD;
3518
}
3519
	fwrite($fd, $dhclientconf);
3520
	fclose($fd);
3521

    
3522
	/* bring wan interface up before starting dhclient */
3523
	if($wanif)
3524
		interfaces_bring_up($wanif);
3525
	else
3526
		log_error(printf(gettext("Could not bring up %s interface in interface_dhcp_configure()"), $wanif));
3527

    
3528
	/* fire up dhclient */
3529
	mwexec("/sbin/dhclient -c {$g['varetc_path']}/dhclient_{$interface}.conf {$wanif} > {$g['tmp_path']}/{$wanif}_output 2> {$g['tmp_path']}/{$wanif}_error_output");
3530

    
3531
	return 0;
3532
}
3533

    
3534
function interfaces_group_setup() {
3535
	global $config;
3536

    
3537
	if (!is_array($config['ifgroups']['ifgroupentry']))
3538
		return;
3539

    
3540
	foreach ($config['ifgroups']['ifgroupentry'] as $groupar)
3541
		interface_group_setup($groupar);
3542

    
3543
	return;
3544
}
3545

    
3546
function interface_group_setup(&$groupname /* The parameter is an array */) {
3547
	global $config;
3548

    
3549
	if (!is_array($groupname))
3550
		return;
3551
	$members = explode(" ", $groupname['members']);
3552
	foreach($members as $ifs) {
3553
		$realif = get_real_interface($ifs);
3554
		if ($realif)
3555
			mwexec("/sbin/ifconfig {$realif} group {$groupname['ifname']}");
3556
	}
3557

    
3558
	return;
3559
}
3560

    
3561
function is_interface_group($if) {
3562
	global $config;
3563

    
3564
	if (is_array($config['ifgroups']['ifgroupentry']))
3565
		foreach ($config['ifgroups']['ifgroupentry'] as $groupentry) {
3566
			if ($groupentry['ifname'] === $if)
3567
				return true;
3568
		}
3569

    
3570
	return false;
3571
}
3572

    
3573
function interface_group_add_member($interface, $groupname) {
3574
	$interface = get_real_interface($interface);
3575
	mwexec("/sbin/ifconfig {$interface} group {$groupname}", true);
3576
}
3577

    
3578
/* COMPAT Function */
3579
function convert_friendly_interface_to_real_interface_name($interface) {
3580
	return get_real_interface($interface);
3581
}
3582

    
3583
/* COMPAT Function */
3584
function get_real_wan_interface($interface = "wan") {
3585
	return get_real_interface($interface);
3586
}
3587

    
3588
/* COMPAT Function */
3589
function get_current_wan_address($interface = "wan") {
3590
	return get_interface_ip($interface);
3591
}
3592

    
3593
/*
3594
 * convert_real_interface_to_friendly_interface_name($interface): convert fxp0 -> wan, etc.
3595
 */
3596
function convert_real_interface_to_friendly_interface_name($interface = "wan") {
3597
	global $config;
3598

    
3599
	if (stristr($interface, "_vip")) {
3600
		foreach ($config['virtualip']['vip'] as $counter => $vip) {
3601
			if ($vip['mode'] == "carp")  {
3602
				if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3603
					return $vip['interface'];
3604
			}
3605
		}
3606
	}
3607

    
3608
	/* XXX: For speed reasons reference directly the interface array */
3609
	$ifdescrs = &$config['interfaces'];
3610
	//$ifdescrs = get_configured_interface_list(false, true);
3611

    
3612
	foreach ($ifdescrs as $if => $ifname) {
3613
		if ($if == $interface || $config['interfaces'][$if]['if'] == $interface)
3614
			return $if;
3615

    
3616
		if (stristr($interface, "_wlan0") && $config['interfaces'][$if]['if'] == interface_get_wireless_base($interface))
3617
			return $if;
3618

    
3619
		// XXX: This case doesn't work anymore (segfaults - recursion?) - should be replaced with something else or just removed.
3620
		//      Not to be replaced with get_real_interface - causes slow interface listings here because of recursion!
3621
		/*
3622
		$int = get_parent_interface($if);
3623
		if ($int[0] == $interface)
3624
			return $ifname;
3625
		 */
3626
	}
3627
	return NULL;
3628
}
3629

    
3630
/* attempt to resolve interface to friendly descr */
3631
function convert_friendly_interface_to_friendly_descr($interface) {
3632
	global $config;
3633

    
3634
	switch ($interface) {
3635
	case "l2tp":
3636
		$ifdesc = "L2TP";
3637
		break;
3638
	case "pptp":
3639
		$ifdesc = "PPTP";
3640
		break;
3641
	case "pppoe":
3642
		$ifdesc = "PPPoE";
3643
		break;
3644
	case "openvpn":
3645
		$ifdesc = "OpenVPN";
3646
		break;
3647
	case "enc0":
3648
	case "ipsec":
3649
		$ifdesc = "IPsec";
3650
		break;
3651
	default:
3652
		if (isset($config['interfaces'][$interface])) {
3653
			if (empty($config['interfaces'][$interface]['descr']))
3654
				$ifdesc = strtoupper($interface);
3655
			else
3656
				$ifdesc = strtoupper($config['interfaces'][$interface]['descr']);
3657
			break;
3658
		} else if (stristr($interface, "_vip")) {
3659
			if (is_array($config['virtualip']['vip'])) {
3660
				foreach ($config['virtualip']['vip'] as $counter => $vip) {
3661
					if ($vip['mode'] == "carp")  {
3662
						if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3663
							return "{$vip['subnet']} - {$vip['descr']}";
3664
					}
3665
				}
3666
			}
3667
		} else {
3668
			/* if list */
3669
			$ifdescrs = get_configured_interface_with_descr(false, true);
3670
			foreach ($ifdescrs as $if => $ifname) {
3671
				if ($if == $interface || $ifname == $interface)
3672
					return $ifname;
3673
			}
3674
		}
3675
		break;
3676
	}
3677

    
3678
	return $ifdesc;
3679
}
3680

    
3681
function convert_real_interface_to_friendly_descr($interface) {
3682
	global $config;
3683

    
3684
	$ifdesc = convert_real_interface_to_friendly_interface_name("{$interface}");
3685

    
3686
	if ($ifdesc) {
3687
		$iflist = get_configured_interface_with_descr(false, true);
3688
		return $iflist[$ifdesc];
3689
	}
3690

    
3691
	return $interface;
3692
}
3693

    
3694
/*
3695
 *  get_parent_interface($interface):
3696
 *			--returns the (real or virtual) parent interface(s) array for a given interface friendly name (i.e. wan)
3697
 *				or virtual interface (i.e. vlan)
3698
 *				(We need array because MLPPP and bridge interfaces have more than one parent.)
3699
 *			-- returns $interface passed in if $interface parent is not found
3700
 *			-- returns empty array if an invalid interface is passed
3701
 *	(Only handles ppps and vlans now.)
3702
 */
3703
function get_parent_interface($interface) {
3704
	global $config;
3705

    
3706
	$parents = array();
3707
	//Check that we got a valid interface passed
3708
	$realif = get_real_interface($interface);
3709
	if ($realif == NULL)
3710
		return $parents;
3711

    
3712
	// If we got a real interface, find it's friendly assigned name
3713
	$interface = convert_real_interface_to_friendly_interface_name($interface);
3714

    
3715
	if (!empty($interface) && isset($config['interfaces'][$interface])) {
3716
		$ifcfg = $config['interfaces'][$interface];
3717
		switch ($ifcfg['ipaddr']) {
3718
			case "ppp":
3719
			case "pppoe":
3720
			case "pptp":
3721
			case "l2tp":
3722
				if (empty($parents))
3723
					if (is_array($config['ppps']['ppp']))
3724
						foreach ($config['ppps']['ppp'] as $pppidx => $ppp) {
3725
							if ($ifcfg['if'] == $ppp['if']) {
3726
								$ports = explode(',', $ppp['ports']);
3727
								foreach ($ports as $pid => $parent_if)
3728
									$parents[$pid] = get_real_interface($parent_if);
3729
								break;
3730
							}
3731
						}
3732
				break;
3733
			case "dhcp":
3734
			case "static":
3735
			default:
3736
				// Handle _vlans
3737
				if (strstr($realif,"_vlan"))
3738
					if (is_array($config['vlans']['vlan']))
3739
						foreach ($config['vlans']['vlan'] as $vlanidx => $vlan)
3740
							if ($ifcfg['if'] == $vlan['vlanif']){
3741
								$parents[0] = $vlan['if'];
3742
								break;
3743
							}
3744
				break;
3745
		}
3746
	}
3747

    
3748
	if (empty($parents))
3749
		$parents[0] = $realif;
3750

    
3751
	return $parents;
3752
}
3753

    
3754
function interface_is_wireless_clone($wlif) {
3755
	if(!stristr($wlif, "_wlan")) {
3756
		return false;
3757
	} else {
3758
		return true;
3759
	}
3760
}
3761

    
3762
function interface_get_wireless_base($wlif) {
3763
	if(!stristr($wlif, "_wlan")) {
3764
		return $wlif;
3765
	} else {
3766
		return substr($wlif, 0, stripos($wlif, "_wlan"));
3767
	}
3768
}
3769

    
3770
function interface_get_wireless_clone($wlif) {
3771
	if(!stristr($wlif, "_wlan")) {
3772
		return $wlif . "_wlan0";
3773
	} else {
3774
		return $wlif;
3775
	}
3776
}
3777

    
3778
function get_real_interface($interface = "wan") {
3779
	global $config, $g;
3780

    
3781
	$wanif = NULL;
3782

    
3783
	switch ($interface) {
3784
	case "l2tp":
3785
		$wanif = "l2tp";
3786
		break;
3787
	case "pptp":
3788
		$wanif = "pptp";
3789
		break;
3790
	case "pppoe":
3791
		$wanif = "pppoe";
3792
		break;
3793
	case "openvpn":
3794
		$wanif = "openvpn";
3795
		break;
3796
	case "ipsec":
3797
	case "enc0":
3798
		$wanif = "enc0";
3799
		break;
3800
	case "ppp":
3801
		$wanif = "ppp";
3802
		break;
3803
	default:
3804
		// If a real interface was alread passed simply
3805
		// pass the real interface back.  This encourages
3806
		// the usage of this function in more cases so that
3807
		// we can combine logic for more flexibility.
3808
		if(does_interface_exist($interface)) {
3809
			$wanif = $interface;
3810
			break;
3811
		}
3812

    
3813
		if (empty($config['interfaces'][$interface]))
3814
			break;
3815

    
3816
		$cfg = &$config['interfaces'][$interface];
3817

    
3818
		// Wireless cloned NIC support (FreeBSD 8+)
3819
		// interface name format: $parentnic_wlanparentnic#
3820
		// example: ath0_wlan0
3821
		if( is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if']))
3822
			$wanif = interface_get_wireless_clone($cfg['if']);
3823
		else
3824
			$wanif = $cfg['if'];
3825
		break;
3826
	}
3827

    
3828
	return $wanif;
3829
}
3830

    
3831
/* Guess the physical interface by providing a IP address */
3832
function guess_interface_from_ip($ipaddress) {
3833
	if(! is_ipaddr($ipaddress)) {
3834
		return false;
3835
	}
3836
	if(is_ipaddrv4($ipaddress)) {
3837
		/* create a route table we can search */
3838
		exec("netstat -rnWf inet", $output, $ret);
3839
		foreach($output as $line) {
3840
			if(preg_match("/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\/[0-9]+[ ]+link[#]/", $line)) {
3841
				$fields = preg_split("/[ ]+/", $line);
3842
				if(ip_in_subnet($ipaddress, $fields[0])) {
3843
					return $fields[6];
3844
				}
3845
			}
3846
		}
3847
	}
3848
	/* FIXME: This works from cursory testing, regexp might need fine tuning */
3849
	if(is_ipaddrv6($ipaddress)) {
3850
		/* create a route table we can search */
3851
		exec("netstat -rnWf inet6", $output, $ret);
3852
		foreach($output as $line) {
3853
			if(preg_match("/[0-9a-f]+[:]+[0-9a-f]+[:]+[\/][0-9]+/", $line)) {
3854
				$fields = preg_split("/[ ]+/", $line);
3855
				if(ip_in_subnet($ipaddress, $fields[0])) {
3856
					return $fields[6];
3857
				}
3858
			}
3859
		}
3860
	}
3861
	$ret = exec_command("/sbin/route -n get {$ipaddress} | /usr/bin/awk '/interface/ { print \$2; };'");
3862
	if(empty($ret)) {
3863
		return false;
3864
	}
3865
	return $ret;
3866
}
3867

    
3868
/*
3869
 * find_ip_interface($ip): return the interface where an ip is defined
3870
 *   (or if $bits is specified, where an IP within the subnet is defined)
3871
 */
3872
function find_ip_interface($ip, $bits = null) {
3873
	if (!is_ipaddr($ip))
3874
		return false;
3875
	
3876
	$isv6ip = is_ipaddrv6($ip);
3877
	
3878
	/* if list */
3879
	$ifdescrs = get_configured_interface_list();
3880

    
3881
	foreach ($ifdescrs as $ifdescr => $ifname) {
3882
		$ifip = ($isv6ip) ? get_interface_ipv6($ifname) : get_interface_ip($ifname);
3883
		if (is_null($ifip))
3884
			continue;
3885
		if (is_null($bits)) {
3886
			if ($ip == $ifip) {
3887
				$int = get_real_interface($ifname);
3888
				return $int;
3889
			}
3890
		}
3891
		else {
3892
			if (ip_in_subnet($ifip, $ip . "/" . $bits)) {
3893
				$int = get_real_interface($ifname);
3894
				return $int;
3895
			}
3896
		}
3897
	}
3898

    
3899
	return false;
3900
}
3901

    
3902
/*
3903
 * find_virtual_ip_alias($ip): return the virtual IP alias where an IP is found
3904
 *   (or if $bits is specified, where an IP within the subnet is found)
3905
 */
3906
function find_virtual_ip_alias($ip, $bits = null) {
3907
	global $config;
3908
	
3909
	if (!is_array($config['virtualip']['vip'])) {
3910
		return false;
3911
	}
3912
	if (!is_ipaddr($ip))
3913
		return false;
3914
	
3915
	$isv6ip = is_ipaddrv6($ip);
3916
	
3917
	foreach ($config['virtualip']['vip'] as $vip) {
3918
		if ($vip['mode'] === "ipalias") {
3919
			if (is_ipaddrv6($vip['subnet']) != $isv6ip)
3920
				continue;
3921
			if (is_null($bits)) {
3922
				if (ip_in_subnet($ip, $vip['subnet'] . "/" . $vip['subnet_bits'])) {
3923
					return $vip;
3924
				}
3925
			}
3926
			else {
3927
				if (($isv6ip && check_subnetsv6_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))
3928
					|| (!$isv6ip && check_subnets_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))) {
3929
					return $vip;
3930
				}
3931
			}
3932
		}
3933
	}
3934
	return false;
3935
}
3936

    
3937
/*
3938
 *   find_number_of_created_carp_interfaces: return the number of carp interfaces
3939
 */
3940
function find_number_of_created_carp_interfaces() {
3941
	return `/sbin/ifconfig | grep "carp:" | wc -l`;
3942
}
3943

    
3944
function get_all_carp_interfaces() {
3945
	$ints = str_replace("\n", " ", `ifconfig | grep "carp:" -B2 | grep ": flag" | cut -d: -f1`);
3946
	$ints = explode(" ", $ints);
3947
	return $ints;
3948
}
3949

    
3950
/*
3951
 * find_carp_interface($ip): return the carp interface where an ip is defined
3952
 */
3953
function find_carp_interface($ip) {
3954
	global $config;
3955
	if (is_array($config['virtualip']['vip'])) {
3956
		foreach ($config['virtualip']['vip'] as $vip) {
3957
			if ($vip['mode'] == "carp") {
3958
				if(is_ipaddrv4($ip)) {
3959
					$carp_ip = get_interface_ip($vip['interface']);
3960
				}
3961
				if(is_ipaddrv6($ip)) {
3962
					$carp_ip = get_interface_ipv6($vip['interface']);
3963
				}
3964
				exec("/sbin/ifconfig", $output, $return);
3965
				foreach($output as $line) {
3966
					$elements = preg_split("/[ ]+/i", $line);
3967
					if(strstr($elements[0], "vip"))
3968
						$curif = str_replace(":", "", $elements[0]);
3969
					if(stristr($line, $ip)) {
3970
						$if = $curif;
3971
						continue;
3972
					}
3973
				}
3974

    
3975
				if ($if)
3976
					return $if;
3977
			}
3978
		}
3979
	}
3980
}
3981

    
3982
function link_carp_interface_to_parent($interface) {
3983
	global $config;
3984

    
3985
	if ($interface == "")
3986
		return;
3987

    
3988
	$carp_ip = get_interface_ip($interface);
3989
	$carp_ipv6 = get_interface_ipv6($interface);
3990

    
3991
	if((!is_ipaddrv4($carp_ip)) && (!is_ipaddrv6($carp_ipv6)))
3992
		return;
3993

    
3994
	/* if list */
3995
	$ifdescrs = get_configured_interface_list();
3996
	foreach ($ifdescrs as $ifdescr => $ifname) {
3997
		/* check IPv4 */
3998
		if(is_ipaddrv4($carp_ip)) {
3999
			$interfaceip = get_interface_ip($ifname);
4000
			$subnet_bits = get_interface_subnet($ifname);
4001
			$subnet_ip = gen_subnet("{$interfaceip}", "{$subnet_bits}");
4002
			if(ip_in_subnet($carp_ip, "{$subnet_ip}/{$subnet_bits}"))
4003
				return $ifname;
4004
		}
4005
		/* Check IPv6 */
4006
		if(is_ipaddrv6($carp_ipv6)) {
4007
			$interfaceipv6 = get_interface_ipv6($ifname);
4008
			$prefixlen = get_interface_subnetv6($ifname);
4009
			if(ip_in_subnet($carp_ipv6, "{$interfaceipv6}/{$prefixlen}"))
4010
				return $ifname;
4011
		}
4012
	}
4013
	return "";
4014
}
4015

    
4016

    
4017
/****f* interfaces/link_ip_to_carp_interface
4018
 * NAME
4019
 *   link_ip_to_carp_interface - Find where a CARP interface links to.
4020
 * INPUTS
4021
 *   $ip
4022
 * RESULT
4023
 *   $carp_ints
4024
 ******/
4025
function link_ip_to_carp_interface($ip) {
4026
	global $config;
4027

    
4028
	if (!is_ipaddr($ip))
4029
		return;
4030

    
4031
	$carp_ints = "";
4032
	if (is_array($config['virtualip']['vip'])) {
4033
		$first = 0;
4034
		$carp_int = array();
4035
		foreach ($config['virtualip']['vip'] as $vip) {
4036
			if ($vip['mode'] == "carp") {
4037
				$carp_ip = $vip['subnet'];
4038
				$carp_sn = $vip['subnet_bits'];
4039
				$carp_nw = gen_subnet($carp_ip, $carp_sn);
4040
				if (ip_in_subnet($ip, "{$carp_nw}/{$carp_sn}")) {
4041
					$carp_int[] = "{$vip['interface']}_vip{$vip['vhid']}";
4042
				}
4043
			}
4044
		}
4045
		if (!empty($carp_int))
4046
			$carp_ints = implode(" ", array_unique($carp_int));
4047
	}
4048

    
4049
	return $carp_ints;
4050
}
4051

    
4052
function link_interface_to_track6($int, $action = "") {
4053
	global $config;
4054

    
4055
	if (empty($int))
4056
		return;
4057

    
4058
	if (is_array($config['interfaces'])) {
4059
		$list = array();
4060
		foreach ($config['interfaces'] as $ifname => $ifcfg) {
4061
			if (!isset($ifcfg['enable']))
4062
				continue;
4063
			if (!empty($ifcfg['ipaddrv6']) && $ifcfg['track6-interface'] == $int) {
4064
				if ($action == "update")
4065
					interface_track6_configure($ifname, $ifcfg);
4066
				else if ($action == "")
4067
					$list[$ifname] = $ifcfg;
4068
			}
4069
		}
4070
		return $list;
4071
	}
4072
}
4073

    
4074
function link_interface_to_vlans($int, $action = "") {
4075
	global $config;
4076

    
4077
	if (empty($int))
4078
		return;
4079

    
4080
	if (is_array($config['vlans']['vlan'])) {
4081
		foreach ($config['vlans']['vlan'] as $vlan) {
4082
			if ($int == $vlan['if']) {
4083
				if ($action == "update") {
4084
					interfaces_bring_up($int);
4085
				} else if ($action == "")
4086
					return $vlan;
4087
			}
4088
		}
4089
	}
4090
}
4091

    
4092
function link_interface_to_vips($int, $action = "") {
4093
	global $config;
4094

    
4095
	if (is_array($config['virtualip']['vip'])) {
4096
		$result = array();
4097
		foreach ($config['virtualip']['vip'] as $vip) {
4098
			if ($int == $vip['interface']) {
4099
				if ($action == "update")
4100
					interfaces_vips_configure($int);
4101
				else
4102
					$result[] = $vip;
4103
			}
4104
		}
4105
		return $result;
4106
	}
4107
}
4108

    
4109
/****f* interfaces/link_interface_to_bridge
4110
 * NAME
4111
 *   link_interface_to_bridge - Finds out a bridge group for an interface
4112
 * INPUTS
4113
 *   $ip
4114
 * RESULT
4115
 *   bridge[0-99]
4116
 ******/
4117
function link_interface_to_bridge($int) {
4118
	global $config;
4119

    
4120
	if (is_array($config['bridges']['bridged'])) {
4121
		foreach ($config['bridges']['bridged'] as $bridge) {
4122
			if (in_array($int, explode(',', $bridge['members'])))
4123
				return "{$bridge['bridgeif']}";
4124
		}
4125
	}
4126
}
4127

    
4128
function link_interface_to_group($int) {
4129
	global $config;
4130

    
4131
	$result = array();
4132

    
4133
	if (is_array($config['ifgroups']['ifgroupentry'])) {
4134
		foreach ($config['ifgroups']['ifgroupentry'] as $group) {
4135
			if (in_array($int, explode(" ", $group['members'])))
4136
				$result[$group['ifname']] = $int;
4137
		}
4138
	}
4139

    
4140
	return $result;
4141
}
4142

    
4143
function link_interface_to_gre($interface) {
4144
	global $config;
4145

    
4146
	$result = array();
4147

    
4148
	if (is_array($config['gres']['gre'])) {
4149
		foreach ($config['gres']['gre'] as $gre)
4150
			if($gre['if'] == $interface)
4151
				$result[] = $gre;
4152
	}
4153

    
4154
	return $result;
4155
}
4156

    
4157
function link_interface_to_gif($interface) {
4158
	global $config;
4159

    
4160
	$result = array();
4161

    
4162
	if (is_array($config['gifs']['gif'])) {
4163
		foreach ($config['gifs']['gif'] as $gif)
4164
			if($gif['if'] == $interface)
4165
				$result[] = $gif;
4166
	}
4167

    
4168
	return $result;
4169
}
4170

    
4171
/*
4172
 * find_interface_ip($interface): return the interface ip (first found)
4173
 */
4174
function find_interface_ip($interface, $flush = false)
4175
{
4176
	global $interface_ip_arr_cache;
4177
	global $interface_sn_arr_cache;
4178

    
4179
	$interface = str_replace("\n", "", $interface);
4180

    
4181
	if (!does_interface_exist($interface))
4182
		return;
4183

    
4184
	/* Setup IP cache */
4185
	if (!isset($interface_ip_arr_cache[$interface]) or $flush) {
4186
		$ifinfo = pfSense_get_interface_addresses($interface);
4187
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4188
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4189
	}
4190

    
4191
	return $interface_ip_arr_cache[$interface];
4192
}
4193

    
4194
/*
4195
 * find_interface_ipv6($interface): return the interface ip (first found)
4196
 */
4197
function find_interface_ipv6($interface, $flush = false)
4198
{
4199
	global $interface_ipv6_arr_cache;
4200
	global $interface_snv6_arr_cache;
4201
	global $config;
4202

    
4203
	$interface = trim($interface);
4204
	$interface = get_real_interface($interface);
4205

    
4206
	if (!does_interface_exist($interface))
4207
		return;
4208

    
4209
	/* Setup IP cache */
4210
	if (!isset($interface_ipv6_arr_cache[$interface]) or $flush) {
4211
		$ifinfo = pfSense_get_interface_addresses($interface);
4212
		// FIXME: Add IPv6 support to the pfSense module
4213
		exec("/sbin/ifconfig {$interface} inet6", $output);
4214
		foreach($output as $line) {
4215
			if(preg_match("/inet6/", $line)) {
4216
				$parts = explode(" ", $line);
4217
				if(! preg_match("/fe80::/", $parts[1])) {
4218
					$ifinfo['ipaddrv6'] = $parts[1];
4219
					if($parts[2] == "-->") {
4220
						$parts[5] = "126";
4221
						$ifinfo['subnetbitsv6'] = $parts[5];
4222
					} else {
4223
						$ifinfo['subnetbitsv6'] = $parts[3];
4224
					}
4225
					break;
4226
				}
4227
			}
4228
		}
4229
		$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4230
		$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4231
	}
4232

    
4233
	return $interface_ipv6_arr_cache[$interface];
4234
}
4235

    
4236
/*
4237
 * find_interface_ipv6_ll($interface): return the interface ipv6 link local (first found)
4238
 */
4239
function find_interface_ipv6_ll($interface, $flush = false)
4240
{
4241
	global $interface_llv6_arr_cache;
4242
	global $config;
4243

    
4244
	$interface = str_replace("\n", "", $interface);
4245

    
4246
	if (!does_interface_exist($interface))
4247
		return;
4248

    
4249
	/* Setup IP cache */
4250
	if (!isset($interface_llv6_arr_cache[$interface]) or $flush) {
4251
		$ifinfo = pfSense_get_interface_addresses($interface);
4252
		// FIXME: Add IPv6 support to the pfSense module
4253
		exec("/sbin/ifconfig {$interface} inet6", $output);
4254
		foreach($output as $line) {
4255
			if(preg_match("/inet6/", $line)) {
4256
				$parts = explode(" ", $line);
4257
				if(preg_match("/fe80::/", $parts[1])) {
4258
					$partsaddress = explode("%", $parts[1]);
4259
					$ifinfo['linklocal'] = $partsaddress[0];
4260
				}
4261
			}
4262
		}
4263
		$interface_llv6_arr_cache[$interface] = $ifinfo['linklocal'];
4264
	}
4265
	return $interface_llv6_arr_cache[$interface];
4266
}
4267

    
4268
function find_interface_subnet($interface, $flush = false)
4269
{
4270
	global $interface_sn_arr_cache;
4271
	global $interface_ip_arr_cache;
4272

    
4273
	$interface = str_replace("\n", "", $interface);
4274
	if (does_interface_exist($interface) == false)
4275
		return;
4276

    
4277
	if (!isset($interface_sn_arr_cache[$interface]) or $flush) {
4278
		$ifinfo = pfSense_get_interface_addresses($interface);
4279
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4280
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4281
	}
4282

    
4283
	return $interface_sn_arr_cache[$interface];
4284
}
4285

    
4286
function find_interface_subnetv6($interface, $flush = false)
4287
{
4288
	global $interface_snv6_arr_cache;
4289
	global $interface_ipv6_arr_cache;
4290

    
4291
	$interface = str_replace("\n", "", $interface);
4292
	if (does_interface_exist($interface) == false)
4293
		return;
4294

    
4295
	$foundv6 = false;
4296
	if (!isset($interface_snv6_arr_cache[$interface]) or $flush) {
4297
		$ifinfo = pfSense_get_interface_addresses($interface);
4298
		// FIXME: Add IPv6 support to the pfSense module
4299
		unset($output);
4300
		exec("/sbin/ifconfig {$interface} inet6", $output);
4301
		foreach($output as $line) {
4302
			$line = trim($line);
4303
			if(preg_match("/inet6/", $line)) {
4304
				$parts = explode(" ", $line);
4305
				if(! preg_match("/fe80::/", $parts[1])) {
4306
					$ifinfo['ipaddrv6'] = $parts[1];
4307
					if($parts[2] == "-->") {
4308
						$parts[5] = "126";
4309
						$ifinfo['subnetbitsv6'] = $parts[5];
4310
					} else {
4311
						$ifinfo['subnetbitsv6'] = $parts[3];
4312
					}
4313
					$foundv6 = true;
4314
					break;
4315
				}
4316
			}
4317
		}
4318
		if ($foundv6 === true) {
4319
			$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4320
			$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4321
		} else
4322
			unset($interface_ipv6_arr_cache[$interface], $interface_snv6_arr_cache[$interface]);
4323
	}
4324

    
4325
	return $interface_snv6_arr_cache[$interface];
4326
}
4327

    
4328
function ip_in_interface_alias_subnet($interface, $ipalias) {
4329
	global $config;
4330

    
4331
	if (empty($interface) || !is_ipaddr($ipalias))
4332
		return false;
4333
	if (is_array($config['virtualip']['vip'])) {
4334
		foreach ($config['virtualip']['vip'] as $vip) {
4335
			switch ($vip['mode']) {
4336
			case "ipalias":
4337
				if ($vip['interface'] <> $interface)
4338
					break;
4339
				if (ip_in_subnet($ipalias, gen_subnet($vip['subnet'], $vip['subnet_bits']) . "/" . $vip['subnet_bits']))
4340
					return true;
4341
				break;
4342
			}
4343
		}
4344
	}
4345

    
4346
	return false;
4347
}
4348

    
4349
function get_interface_ip($interface = "wan")
4350
{
4351
	$realif = get_failover_interface($interface);
4352
	if (!$realif) {
4353
		if (preg_match("/^carp/i", $interface))
4354
			$realif = $interface;
4355
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4356
			$realif = $interface;
4357
		else
4358
			return null;
4359
	}
4360

    
4361
	$curip = find_interface_ip($realif);
4362
	if ($curip && is_ipaddr($curip) && ($curip != "0.0.0.0"))
4363
		return $curip;
4364
	else
4365
		return null;
4366
}
4367

    
4368
function get_interface_ipv6($interface = "wan")
4369
{
4370
	global $config;
4371

    
4372
	$realif = get_failover_interface($interface);
4373
	if (is_array($config['interfaces'][$interface])) {
4374
		switch($config['interfaces'][$interface]['ipaddrv6']) {
4375
			case "6rd":
4376
			case "6to4":
4377
				$realif = "{$interface}_stf";
4378
				break;
4379
		}
4380
	}
4381
	if (!$realif) {
4382
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4383
			$realif = $interface;
4384
		else
4385
			return null;
4386
	}
4387

    
4388
	$curip = find_interface_ipv6($realif);
4389
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4390
		return $curip;
4391
	else
4392
		return null;
4393
}
4394

    
4395
function get_interface_linklocal($interface = "wan")
4396
{
4397
	$realif = get_failover_interface($interface);
4398
	if (!$realif) {
4399
		if (preg_match("/^carp/i", $interface))
4400
			$realif = $interface;
4401
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4402
			$realif = $interface;
4403
		else
4404
			return null;
4405
	}
4406

    
4407
	$curip = find_interface_ipv6_ll($realif);
4408
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4409
		return $curip;
4410
	else
4411
		return null;
4412
}
4413

    
4414
function get_interface_subnet($interface = "wan")
4415
{
4416
	$realif = get_real_interface($interface);
4417
	if (!$realif) {
4418
		if (preg_match("/^carp/i", $interface))
4419
			$realif = $interface;
4420
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4421
			$realif = $interface;
4422
		else
4423
			return null;
4424
	}
4425

    
4426
	$cursn = find_interface_subnet($realif);
4427
	if (!empty($cursn))
4428
		return $cursn;
4429

    
4430
	return null;
4431
}
4432

    
4433
function get_interface_subnetv6($interface = "wan")
4434
{
4435
	global $config;
4436

    
4437
	if (is_array($config['interfaces'][$interface])) {
4438
		switch($config['interfaces'][$interface]['ipaddrv6']) {
4439
			case "6rd":
4440
			case "6to4":
4441
				$realif = "{$interface}_stf";
4442
				break;
4443
			default:
4444
				$realif = get_real_interface($interface);
4445
				break;
4446
		}
4447
	}
4448
	if (!$realif) {
4449
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4450
			$realif = $interface;
4451
		else
4452
			return null;
4453
	}
4454

    
4455
	$cursn = find_interface_subnetv6($realif);
4456
	if (!empty($cursn))
4457
		return $cursn;
4458

    
4459
	return null;
4460
}
4461

    
4462
/* return outside interfaces with a gateway */
4463
function get_interfaces_with_gateway() {
4464
	global $config;
4465

    
4466
	$ints = array();
4467

    
4468
	/* loop interfaces, check config for outbound */
4469
	foreach($config['interfaces'] as $ifdescr => $ifname) {
4470
		switch ($ifname['ipaddr']) {
4471
			case "dhcp":
4472
			case "ppp";
4473
			case "pppoe":
4474
			case "pptp":
4475
			case "l2tp":
4476
			case "ppp";
4477
				$ints[$ifdescr] = $ifdescr;
4478
			break;
4479
			default:
4480
				if (substr($ifname['if'], 0, 4) ==  "ovpn" ||
4481
				    !empty($ifname['gateway']))
4482
					$ints[$ifdescr] = $ifdescr;
4483
			break;
4484
		}
4485
	}
4486
	return $ints;
4487
}
4488

    
4489
/* return true if interface has a gateway */
4490
function interface_has_gateway($friendly) {
4491
	global $config;
4492

    
4493
	if (!empty($config['interfaces'][$friendly])) {
4494
		$ifname = &$config['interfaces'][$friendly];
4495
		switch ($ifname['ipaddr']) {
4496
			case "dhcp":
4497
			case "pppoe":
4498
			case "pptp":
4499
			case "l2tp":
4500
			case "ppp";
4501
				return true;
4502
			break;
4503
			default:
4504
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4505
					return true;
4506
				if (!empty($ifname['gateway']))
4507
					return true;
4508
			break;
4509
		}
4510
	}
4511

    
4512
	return false;
4513
}
4514

    
4515
/* return true if interface has a gateway */
4516
function interface_has_gatewayv6($friendly) {
4517
	global $config;
4518

    
4519
	if (!empty($config['interfaces'][$friendly])) {
4520
		$ifname = &$config['interfaces'][$friendly];
4521
		switch ($ifname['ipaddrv6']) {
4522
			case "slaac":
4523
			case "dhcp6":
4524
				return true;
4525
				break;
4526
			case "6to4":
4527
				return true;
4528
				break;
4529
			case "6rd":
4530
				return true;
4531
				break;
4532
			default:
4533
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4534
					return true;
4535
				if (!empty($ifname['gatewayv6']))
4536
					return true;
4537
				break;
4538
		}
4539
	}
4540

    
4541
	return false;
4542
}
4543

    
4544
/****f* interfaces/is_altq_capable
4545
 * NAME
4546
 *   is_altq_capable - Test if interface is capable of using ALTQ
4547
 * INPUTS
4548
 *   $int            - string containing interface name
4549
 * RESULT
4550
 *   boolean         - true or false
4551
 ******/
4552

    
4553
function is_altq_capable($int) {
4554
	/* Per:
4555
	 * http://www.freebsd.org/cgi/man.cgi?query=altq&manpath=FreeBSD+7.2-current&format=html
4556
	 * Only the following drivers have ALTQ support
4557
	 */
4558
	$capable = array("age", "alc", "ale", "an", "ath", "aue", "awi", "bce",
4559
			"bfe", "bge", "bridge", "cas", "dc", "de", "ed", "em", "ep", "fxp", "gem",
4560
			"hme", "igb", "ipw", "iwi", "jme", "le", "lem", "msk", "mxge", "my", "nfe",
4561
			"npe", "nve", "ral", "re", "rl", "rum", "run", "bwn", "sf", "sis", "sk",
4562
			"ste", "stge", "txp", "udav", "ural", "vge", "vr", "wi", "xl",
4563
			"ndis", "tun", "ovpns", "ovpnc", "vlan", "pppoe", "pptp", "ng",
4564
			"l2tp", "ppp", "vtnet");
4565

    
4566
	$int_family = remove_ifindex($int);
4567

    
4568
	if (in_array($int_family, $capable))
4569
		return true;
4570
	else if (stristr($int, "l2tp")) /* VLANs are name $parent_$vlan now */
4571
		return true;
4572
	else if (stristr($int, "vlan")) /* VLANs are name $parent_$vlan now */
4573
		return true;
4574
	else if (stristr($int, "_wlan")) /* WLANs are name $parent_$wlan now */
4575
		return true;
4576
	else
4577
		return false;
4578
}
4579

    
4580
/****f* interfaces/is_interface_wireless
4581
 * NAME
4582
 *   is_interface_wireless - Returns if an interface is wireless
4583
 * RESULT
4584
 *   $tmp       - Returns if an interface is wireless
4585
 ******/
4586
function is_interface_wireless($interface) {
4587
	global $config, $g;
4588

    
4589
	$friendly = convert_real_interface_to_friendly_interface_name($interface);
4590
	if(!isset($config['interfaces'][$friendly]['wireless'])) {
4591
		if (preg_match($g['wireless_regex'], $interface)) {
4592
			if (isset($config['interfaces'][$friendly]))
4593
				$config['interfaces'][$friendly]['wireless'] = array();
4594
			return true;
4595
		}
4596
		return false;
4597
	} else
4598
		return true;
4599
}
4600

    
4601
function get_wireless_modes($interface) {
4602
	/* return wireless modes and channels */
4603
	$wireless_modes = array();
4604

    
4605
	$cloned_interface = get_real_interface($interface);
4606

    
4607
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4608
		$chan_list = "/sbin/ifconfig {$cloned_interface} list chan";
4609
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4610
		$format_list = "/usr/bin/awk '{print \$5 \" \" \$6 \",\" \$1}'";
4611

    
4612
		$interface_channels = "";
4613
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4614
		$interface_channel_count = count($interface_channels);
4615

    
4616
		$c = 0;
4617
		while ($c < $interface_channel_count)
4618
		{
4619
			$channel_line = explode(",", $interface_channels["$c"]);
4620
			$wireless_mode = trim($channel_line[0]);
4621
			$wireless_channel = trim($channel_line[1]);
4622
			if(trim($wireless_mode) != "") {
4623
				/* if we only have 11g also set 11b channels */
4624
				if($wireless_mode == "11g") {
4625
					if(!isset($wireless_modes["11b"]))
4626
						$wireless_modes["11b"] = array();
4627
				} else if($wireless_mode == "11g ht") {
4628
					if(!isset($wireless_modes["11b"]))
4629
						$wireless_modes["11b"] = array();
4630
					if(!isset($wireless_modes["11g"]))
4631
						$wireless_modes["11g"] = array();
4632
					$wireless_mode = "11ng";
4633
				} else if($wireless_mode == "11a ht") {
4634
					if(!isset($wireless_modes["11a"]))
4635
						$wireless_modes["11a"] = array();
4636
					$wireless_mode = "11na";
4637
				}
4638
				$wireless_modes["$wireless_mode"]["$c"] = $wireless_channel;
4639
			}
4640
			$c++;
4641
		}
4642
	}
4643
	return($wireless_modes);
4644
}
4645

    
4646
/* return channel numbers, frequency, max txpower, and max regulation txpower */
4647
function get_wireless_channel_info($interface) {
4648
	$wireless_channels = array();
4649

    
4650
	$cloned_interface = get_real_interface($interface);
4651

    
4652
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4653
		$chan_list = "/sbin/ifconfig {$cloned_interface} list txpower";
4654
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4655
		$format_list = "/usr/bin/awk '{print \$1 \",\" \$3 \" \" \$4 \",\" \$5 \",\" \$7}'";
4656

    
4657
		$interface_channels = "";
4658
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4659

    
4660
		foreach ($interface_channels as $channel_line) {
4661
			$channel_line = explode(",", $channel_line);
4662
			if(!isset($wireless_channels[$channel_line[0]]))
4663
				$wireless_channels[$channel_line[0]] = $channel_line;
4664
		}
4665
	}
4666
	return($wireless_channels);
4667
}
4668

    
4669
/****f* interfaces/get_interface_mtu
4670
 * NAME
4671
 *   get_interface_mtu - Return the mtu of an interface
4672
 * RESULT
4673
 *   $tmp       - Returns the mtu of an interface
4674
 ******/
4675
function get_interface_mtu($interface) {
4676
	$mtu = pfSense_get_interface_addresses($interface);
4677
	return $mtu['mtu'];
4678
}
4679

    
4680
function get_interface_mac($interface) {
4681

    
4682
	$macinfo = pfSense_get_interface_addresses($interface);
4683
	return $macinfo["macaddr"];
4684
}
4685

    
4686
/****f* pfsense-utils/generate_random_mac_address
4687
 * NAME
4688
 *   generate_random_mac - generates a random mac address
4689
 * INPUTS
4690
 *   none
4691
 * RESULT
4692
 *   $mac - a random mac address
4693
 ******/
4694
function generate_random_mac_address() {
4695
	$mac = "02";
4696
	for($x=0; $x<5; $x++)
4697
		$mac .= ":" . dechex(rand(16, 255));
4698
	return $mac;
4699
}
4700

    
4701
/****f* interfaces/is_jumbo_capable
4702
 * NAME
4703
 *   is_jumbo_capable - Test if interface is jumbo frame capable.  Useful for determining VLAN capability.
4704
 * INPUTS
4705
 *   $int             - string containing interface name
4706
 * RESULT
4707
 *   boolean          - true or false
4708
 ******/
4709
function is_jumbo_capable($iface) {
4710
	$iface = trim($iface);
4711
	$capable = pfSense_get_interface_addresses($iface);
4712

    
4713
	if (isset($capable['caps']['vlanmtu']))
4714
		return true;
4715

    
4716
	return false;
4717
}
4718

    
4719
function interface_setup_pppoe_reset_file($pppif, $iface="") {
4720
	global $g;
4721

    
4722
	$cron_file = "{$g['varetc_path']}/pppoe_restart_{$pppif}";
4723

    
4724
	if(!empty($iface) && !empty($pppif)){
4725
		$cron_cmd = <<<EOD
4726
#!/bin/sh
4727
/usr/local/sbin/pfSctl -c 'interface reload {$iface}'
4728
/usr/bin/logger -t {$pppif} "PPPoE periodic reset executed on {$iface}"
4729

    
4730
EOD;
4731

    
4732
		@file_put_contents($cron_file, $cron_cmd);
4733
		chmod($cron_file, 0755);
4734
		sigkillbypid("{$g['varrun_path']}/cron.pid", "HUP");
4735
	} else
4736
		unlink_if_exists($cron_file);
4737
}
4738

    
4739
function get_interface_default_mtu($type = "ethernet") {
4740
	switch ($type) {
4741
	case "gre":
4742
		return 1476;
4743
		break;
4744
	case "gif":
4745
		return 1280;
4746
		break;
4747
	case "tun":
4748
	case "vlan":
4749
	case "tap":
4750
	case "ethernet":
4751
	default:
4752
		return 1500;
4753
		break;
4754
	}
4755

    
4756
	/* Never reached */
4757
	return 1500;
4758
}
4759

    
4760
function get_vip_descr($ipaddress) {
4761
	global $config;
4762

    
4763
	foreach ($config['virtualip']['vip'] as $vip) {
4764
		if ($vip['subnet'] == $ipaddress) {
4765
			return ($vip['descr']);
4766
		}
4767
	}
4768
	return "";
4769
}
4770

    
4771
function interfaces_staticarp_configure($if) {
4772
	global $config, $g;
4773
	if(isset($config['system']['developerspew'])) {
4774
		$mt = microtime();
4775
		echo "interfaces_staticarp_configure($if) being called $mt\n";
4776
	}
4777

    
4778
	$ifcfg = $config['interfaces'][$if];
4779

    
4780
	if (empty($if) || empty($ifcfg['if']) || !isset($ifcfg['enable']))
4781
		return 0;
4782

    
4783
	/* Enable staticarp, if enabled */
4784
	if(isset($config['dhcpd'][$if]['staticarp'])) {
4785
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " staticarp " );
4786
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4787
		if (is_array($config['dhcpd'][$if]['staticmap'])) {
4788

    
4789
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4790
				mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4791

    
4792
			}
4793

    
4794
		}
4795
	} else {
4796
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " -staticarp " );
4797
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4798
		if (is_array($config['dhcpd'][$if]['staticmap'])) {
4799
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4800
				if (isset($arpent['arp_table_static_entry'])) {
4801
					mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4802
				}
4803
			}
4804
		}
4805
	}
4806

    
4807
	return 0;
4808
}
4809

    
4810
function get_failover_interface($interface) {
4811
	global $config;
4812
	/* shortcut to get_real_interface if we find it in the config */
4813
	if(is_array($config['interfaces'][$interface])) {
4814
		$wanif = get_real_interface($interface);
4815
		return $wanif;
4816
	}
4817

    
4818
	/* compare against gateway groups */
4819
	$a_groups = return_gateway_groups_array();
4820
	if(is_array($a_groups[$interface])) {
4821
		/* we found a gateway group, fetch the interface or vip */
4822
		if($a_groups[$interface][0]['vip'] <> "")
4823
			$wanif = $a_groups[$interface][0]['vip'];
4824
		else
4825
			$wanif = $a_groups[$interface][0]['int'];
4826

    
4827
		return $wanif;
4828
	}
4829
	/* fall through to get_real_interface */
4830
	$wanif = get_real_interface($interface);
4831
	return $wanif;
4832
}
4833

    
4834
function remove_ifindex($ifname) {
4835
	return preg_replace("/[0-9]+$/", "", $ifname);
4836
}
4837

    
4838
?>
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