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

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

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

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

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

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

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

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

    
42
*/
43

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

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

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

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

    
68
	return $interface_arr_cache;
69
}
70

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

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

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

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

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

    
98

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

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

    
124
	return false;
125
}
126

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
267
	interfaces_bring_up($vlanif);
268

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

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

    
275
	return $vlanif;
276
}
277

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

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

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

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

    
298
	$vlanif = interface_vlan_configure($vlan);
299

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

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

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

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

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

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

    
351
	return $vlanif;
352
}
353

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

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

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

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

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

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

    
394
	return $vlanif;
395
}
396

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

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

    
403
	$iflist = get_configured_interface_list();
404

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

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

    
424
}
425

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

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

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

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

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

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

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

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

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

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

    
533
	$checklist = get_configured_interface_list();
534

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
754
	$checklist = get_interface_list();
755

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

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

    
768
	interfaces_bring_up($laggif);
769

    
770
	return $laggif;
771
}
772

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

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

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

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

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

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

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

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

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

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

    
844
	return $greif;
845
}
846

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

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

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

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

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

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

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

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

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

    
938

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

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

    
951
	return $gifif;
952
}
953

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

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

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

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

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

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

    
972
	interfaces_qinq_configure();
973

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

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

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

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

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

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

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

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

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

    
1030
		interface_configure($if, $reload);
1031

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

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

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

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

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

    
1051
		interface_configure($if, $reload);
1052

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

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

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

    
1066
		interface_configure($if, $reload);
1067

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

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

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

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

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

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

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

    
1093
	return 0;
1094
}
1095

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1267
	return;
1268
}
1269

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

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

    
1278
	return false;
1279
}
1280

    
1281
function interfaces_ptpid_next() {
1282

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

    
1287
	return $ptpid;
1288
}
1289

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

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

    
1301
	return NULL;
1302
}
1303

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

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

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

    
1313
	$itemhash = getMPDCRONSettings($pppif);
1314

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
1574
EOD;
1575

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

    
1580
EOD;
1581

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

    
1589
EOD;
1590

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

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

    
1601
EOD;
1602

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

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

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

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

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

    
1629
EOD;
1630

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

    
1635
EOD;
1636

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

    
1641
EOD;
1642

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

    
1648
EOD;
1649

    
1650

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

    
1655
EOD;
1656

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

    
1662
EOD;
1663

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

    
1668
EOD;
1669

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

    
1674
EOD;
1675

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

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

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

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

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

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

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

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

    
1733
EOD;
1734

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

    
1740
EOD;
1741
		}
1742

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

    
1746

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

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

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

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

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

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

    
1821
	return 1;
1822
}
1823

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

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

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

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

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

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

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

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

    
1870
		sleep(1);
1871

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2118
	interfaces_bring_up($vipif);
2119

    
2120
	return $vipif;
2121
}
2122

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2481
EOD;
2482

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

    
2489
EOD;
2490

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

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

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

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

    
2518
			}
2519
			break;
2520
	}
2521

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2662

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

    
2667
	return 0;
2668

    
2669
}
2670

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

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

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

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

    
2688
	return intval($pid);
2689
}
2690

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

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

    
2700
	return intval($pid);
2701
}
2702

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

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

    
2719
	return $mtu;
2720
}
2721

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    
2915
	$mtu = get_interface_default_mtu(remove_ifindex($realhwif));
2916

    
2917
	if (!empty($wancfg['mtu'])) {
2918
		if (stristr($realif, "vlan")) {
2919
			$assginedparent = convert_real_interface_to_friendly_interface_name($realhwif);
2920
			if (!empty($assginedparent)) {
2921
				$parentmtu = $config['interfaces'][$assginedparent]['mtu'];
2922
				if (empty($parentmtu))
2923
					$parentmtu = interface_vlan_mtu_configured($realhwif, $wancfg['mtu']);
2924
				if ($wancfg['mtu'] > $parentmtu) {
2925
					pfSense_interface_mtu($realhwif, $wancfg['mtu']);
2926

    
2927
					/* All vlans need to use the same mtu value as their parent. */
2928
					if (is_array($config['vlans']['vlan'])) {
2929
						foreach ($config['vlans']['vlan'] as $vlan) {
2930
							if ($vlan['if'] != $realhwif)
2931
								continue;
2932
							if ($vlan['vlanif'] == $realif)
2933
								continue;
2934
							$assginedport = convert_real_interface_to_friendly_interface_name($vlan['vlanif']);
2935
							if (!empty($assginedport)) {
2936
								$portmtu = $config['interfaces'][$assginedport]['mtu'];
2937
								if (empty($portmtu))
2938
									pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2939
							} else
2940
								pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2941
						}
2942
					}
2943
				}
2944
			} else {
2945
				$bigmtu = interface_vlan_mtu_configured($realhwif, $wancfg['mtu']);
2946
				if ($wancfg['mtu'] >= $bigmtu) {
2947
					/* All vlans need to use the same mtu value as their parent. */
2948
					if (is_array($config['vlans']['vlan'])) {
2949
						foreach ($config['vlans']['vlan'] as $vlan) {
2950
							if ($vlan['if'] != $realhwif)
2951
								continue;
2952
							if ($vlan['vlanif'] == $realif)
2953
								continue;
2954
							pfSense_interface_mtu($vlan['vlanif'], $wancfg['mtu']);
2955
						}
2956
					}
2957
					pfSense_interface_mtu($realhwif, $wancfg['mtu']);
2958
				}
2959
			}
2960
		}
2961
		if ($wancfg['mtu'] != get_interface_mtu($realif))
2962
			pfSense_interface_mtu($realif, $wancfg['mtu']);
2963
	} else if (stristr($realif, "vlan")) {
2964
		/* XXX: This is really dangerous for example with vlans changing their parent mtu! */
2965
		$bigmtu = interface_vlan_mtu_configured($realhwif, $mtu);
2966
		if ($mtu < $bigmtu)
2967
			$mtu = $bigmtu;
2968
		pfSense_interface_mtu($realhwif, $mtu);
2969

    
2970
		/* All vlans need to use the same mtu value as their parent. */
2971
		if (is_array($config['vlans']['vlan'])) {
2972
			foreach ($config['vlans']['vlan'] as $vlan) {
2973
				if ($vlan['if'] != $realhwif)
2974
					continue;
2975
				if ($vlan['vlanif'] == $realif)
2976
					continue;
2977
				pfSense_interface_mtu($vlan['vlanif'], $mtu);
2978
			}
2979
		}
2980
		pfSense_interface_mtu($realif, $mtu);
2981
	} else if ($mtu != get_interface_mtu($realhwif))
2982
		pfSense_interface_mtu($realhwif, $mtu);
2983

    
2984
	if(does_interface_exist($wancfg['if']))
2985
		interfaces_bring_up($wancfg['if']);
2986

    
2987
	interface_netgraph_needed($interface);
2988

    
2989
	if (!$g['booting']) {
2990
		link_interface_to_vips($interface, "update");
2991

    
2992
		unset($gre);
2993
		$gre = link_interface_to_gre($interface);
2994
		if (!empty($gre))
2995
			array_walk($gre, 'interface_gre_configure');
2996

    
2997
		unset($gif);
2998
		$gif = link_interface_to_gif($interface);
2999
		if (!empty($gif))
3000
			array_walk($gif, 'interface_gif_configure');
3001

    
3002
		if ($linkupevent == false || substr($realif, 0, 4) == "ovpn") {
3003
			unset($bridgetmp);
3004
			$bridgetmp = link_interface_to_bridge($interface);
3005
			if (!empty($bridgetmp))
3006
				interface_bridge_add_member($bridgetmp, $realif);
3007
		}
3008

    
3009
		$grouptmp = link_interface_to_group($interface);
3010
		if (!empty($grouptmp))
3011
			array_walk($grouptmp, 'interface_group_add_member');
3012

    
3013
		if ($interface == "lan")
3014
			/* make new hosts file */
3015
			system_hosts_generate();
3016

    
3017
		if ($reloadall == true) {
3018

    
3019
			/* reconfigure static routes (kernel may have deleted them) */
3020
			system_routing_configure($interface);
3021

    
3022
			/* reload ipsec tunnels */
3023
			vpn_ipsec_configure();
3024

    
3025
			/* restart dnsmasq */
3026
			services_dnsmasq_configure();
3027

    
3028
			/* update dyndns */
3029
			send_event("service reload dyndns {$interface}");
3030

    
3031
			/* reload captive portal */
3032
			captiveportal_init_rules();
3033
		}
3034
	}
3035

    
3036
	return 0;
3037
}
3038

    
3039
function interface_track6_configure($interface = "lan", $wancfg) {
3040
	global $config, $g;
3041

    
3042
	if (!is_array($wancfg))
3043
		return;
3044

    
3045
	if (!isset($wancfg['enable']))
3046
		return;
3047

    
3048
	/* If the interface is not configured via another, exit */
3049
	if (empty($wancfg['track6-interface']))
3050
		return;
3051

    
3052
	/* always configure a link-local of fe80::1:1 on the track6 interfaces */
3053
	$realif = get_real_interface($interface);
3054
	mwexec("/sbin/ifconfig {$realif} inet6 fe80::1:1%{$realif}");
3055

    
3056
	$trackcfg = $config['interfaces'][$wancfg['track6-interface']];
3057
	if (!isset($trackcfg['enable'])) {
3058
		log_error("Interface {$interface} tracking non-existant interface {$wancfg['track6-interface']}");
3059
		return;
3060
	}
3061

    
3062
	switch($trackcfg['ipaddrv6']) {
3063
		case "6to4":
3064
			if ($g['debug'])
3065
				log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3066
			interface_track6_6to4_configure($interface, $wancfg);
3067
			break;
3068
		case "6rd":
3069
			if ($g['debug'])
3070
				log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3071
			interface_track6_6rd_configure($interface, $wancfg);
3072
			break;
3073
		case "dhcp6":
3074
			if ($g['debug'])
3075
				log_error("Interface {$interface} configured via {$wancfg['track6-interface']}  type {$type}");
3076
			interface_track6_dhcp6_configure($interface, $wancfg);
3077
			break;
3078
	}
3079

    
3080
	if (!function_exists('services_dhcpd_configure'))
3081
		require_once("services.inc");
3082

    
3083
	services_dhcpd_configure("inet6");
3084

    
3085
	return 0;
3086
}
3087

    
3088
function interface_track6_6rd_configure($interface = "lan", $lancfg) {
3089
	global $config, $g;
3090

    
3091
	if (!is_array($lancfg))
3092
		return;
3093

    
3094
	/* If the interface is not configured via another, exit */
3095
	if (empty($lancfg['track6-interface']))
3096
		return;
3097

    
3098
	if (!is_numeric($lancfg['track6-prefix-id']))
3099
		$lancfg['track6-prefix-id'] = 0;
3100

    
3101
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3102
	if (empty($wancfg)) {
3103
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3104
		return;
3105
	}
3106

    
3107
	$wanif = get_real_interface($lancfg['track6-interface']);
3108
	$ip4address = find_interface_ip($wanif);
3109
	if (!is_ipaddrv4($ip4address)) { /* XXX: This should not be needed by 6rd || (is_private_ip($ip4address))) { */
3110
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3111
		return;
3112
	}
3113
	$hexwanv4 = return_hex_ipv4($ip4address);
3114

    
3115
	/* create the long prefix notation for math, save the prefix length */
3116
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3117
	$rd6prefixlen = $rd6prefix[1];
3118
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3119

    
3120
	/* binary presentation of the prefix for all 128 bits. */
3121
	$rd6lanbin = convert_ipv6_to_128bit($rd6prefix);
3122

    
3123
	/* just save the left prefix length bits */
3124
	$rd6lanbin = substr($rd6lanbin, 0, $rd6prefixlen);
3125
	/* add the v4 address, offset n bits from the left */
3126
	$rd6lanbin .= substr(sprintf("%032b", hexdec($hexwanv4)), (0 + $wancfg['prefix-6rd-v4plen']), 32);
3127

    
3128
	/* add the custom prefix id, max 32bits long? (64 bits - (prefixlen + (32 - v4plen)) */
3129
	/* 64 - (37 + (32 - 17)) = 8 == /52 */
3130
	$restbits = 64 - ($rd6prefixlen + (32 - $wancfg['prefix-6rd-v4plen']));
3131
	// echo "64 - (prefixlen {$rd6prefixlen} + v4len (32 - {$wancfg['prefix-6rd-v4plen']})) = {$restbits} \n";
3132
	$rd6lanbin .= substr(sprintf("%032b", str_pad($lancfg['track6-prefix-id'], 32, "0", STR_PAD_LEFT)), (32 - $restbits), 32);
3133
	/* fill the rest out with zeros */
3134
	$rd6lanbin = str_pad($rd6lanbin, 128, "0", STR_PAD_RIGHT);;
3135

    
3136
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3137
	$rd6lan = convert_128bit_to_ipv6($rd6lanbin) ."1";
3138

    
3139
	$lanif = get_real_interface($interface);
3140
	$oip = find_interface_ipv6($lanif);
3141
	if (is_ipaddrv6($oip))
3142
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3143
	log_error("rd6 {$interface} with ipv6 address {$rd6lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3144
	mwexec("/sbin/ifconfig {$lanif} inet6 {$rd6lan} prefixlen 64");
3145

    
3146
	return 0;
3147
}
3148

    
3149
function interface_track6_6to4_configure($interface = "lan", $lancfg) {
3150
	global $config, $g;
3151

    
3152
	if (!is_array($lancfg))
3153
		return;
3154

    
3155
	/* If the interface is not configured via another, exit */
3156
	if (empty($lancfg['track6-interface']))
3157
		return;
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
	if (!is_numeric($lancfg['track6-prefix-id']))
3166
		$lancfg['track6-prefix-id'] = 0;
3167

    
3168
	$wanif = get_real_interface($lancfg['track6-interface']);
3169
	$ip4address = find_interface_ip($wanif);
3170
	if (!is_ipaddrv4($ip4address) || is_private_ip($ip4address)) {
3171
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3172
		return;
3173
	}
3174
	$hexwanv4 = return_hex_ipv4($ip4address);
3175

    
3176
	/* create the long prefix notation for math, save the prefix length */
3177
	$sixto4prefix = "2002::";
3178
	$sixto4prefixlen = 16;
3179
	$sixto4prefix = Net_IPv6::uncompress($sixto4prefix);
3180

    
3181
	/* binary presentation of the prefix for all 128 bits. */
3182
	$sixto4lanbin = convert_ipv6_to_128bit($sixto4prefix);
3183

    
3184
	/* just save the left prefix length bits */
3185
	$sixto4lanbin = substr($sixto4lanbin, 0, $sixto4prefixlen);
3186
	/* add the v4 address */
3187
	$sixto4lanbin .= sprintf("%032b", hexdec($hexwanv4));
3188
	/* add the custom prefix id */
3189
	$sixto4lanbin .= sprintf("%016b", $lancfg['track6-prefix-id']);
3190
	/* fill the rest out with zeros */
3191
	$sixto4lanbin = str_pad($sixto4lanbin, 128, "0", STR_PAD_RIGHT);;
3192

    
3193
	/* convert the 128 bits for the lan address back into a valid IPv6 address */
3194
	$sixto4lan = convert_128bit_to_ipv6($sixto4lanbin) ."1";
3195

    
3196
	$lanif = get_real_interface($interface);
3197
	$oip = find_interface_ipv6($lanif);
3198
	if (is_ipaddrv6($oip))
3199
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3200
	log_error("sixto4 {$interface} with ipv6 address {$sixto4lan} based on {$lancfg['track6-interface']} ipv4 {$ip4address}");
3201
	mwexec("/sbin/ifconfig {$lanif} inet6 {$sixto4lan} prefixlen 64");
3202

    
3203
	return 0;
3204
}
3205

    
3206
function interface_track6_dhcp6_configure($interface = "lan", $lancfg) {
3207
	global $config, $g;
3208

    
3209
	if (!is_array($lancfg))
3210
		return;
3211

    
3212
	/* If the interface is not configured via another, exit */
3213
	if (empty($lancfg['track6-interface']))
3214
		return;
3215

    
3216
	if (!is_numeric($lancfg['track6-prefix-id']))
3217
		$lancfg['track6-prefix-id'] = 0;
3218

    
3219
	$wancfg = $config['interfaces'][$lancfg['track6-interface']];
3220
	if (empty($wancfg)) {
3221
		log_error("Interface {$interface} tracking non-existant interface {$lancfg['track6-interface']}");
3222
		return;
3223
	}
3224

    
3225
	$lanif = get_real_interface($interface);
3226
	$oip = find_interface_ipv6($lanif);
3227
	if (is_ipaddrv6($oip))
3228
		mwexec("/sbin/ifconfig {$lanif} inet6 {$oip} delete");
3229

    
3230
	if ($wancfg['ipaddrv6'] == "slaac") {
3231
		$wanif = get_real_interface($lancfg['track6-interface']);
3232
		$ifcfgipv6 = find_interface_ipv6($wanif);
3233
		if (is_ipaddrv6($ifcfgipv6)) {
3234
			$dhcp6lanarr = explode(":", Net_IPv6::uncompress($ifcfgipv6));
3235
			$dhcp6lanarr[4] = 0;
3236
			$dhcp6lanarr[5] = 0;
3237
			$dhcp6lanarr[6] = 0;
3238
			$dhcp6lanarr[7] = 1;
3239
			$dhcp6lan =  Net_IPv6::compress(implode(":", $dhcp6lanarr));
3240
			log_error("dhcp6 {$interface} with ipv6 address {$dhcp6lan} based on {$lancfg['track6-interface']}");
3241
			mwexec("/sbin/ifconfig {$lanif} inet6 {$dhcp6lan} prefixlen 64");
3242
		}
3243
	}
3244

    
3245
	return 0;
3246
}
3247

    
3248
function interface_6rd_configure($interface = "wan", $wancfg) {
3249
	global $config, $g;
3250

    
3251
	/* because this is a tunnel interface we can only function
3252
	 *	with a public IPv4 address on the interface */
3253

    
3254
	if (!is_array($wancfg))
3255
		return;
3256

    
3257
	$wanif = get_real_interface($interface);
3258
	$ip4address = find_interface_ip($wanif);
3259
	if ((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3260
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3261
		return false;
3262
	}
3263
	$hexwanv4 = return_hex_ipv4($ip4address);
3264

    
3265
	if (!is_numeric($wancfg['prefix-6rd-v4plen']))
3266
		$wancfg['prefix-6rd-v4plen'] = 0;
3267

    
3268
	/* create the long prefix notation for math, save the prefix length */
3269
	$rd6prefix = explode("/", $wancfg['prefix-6rd']);
3270
	$rd6prefixlen = $rd6prefix[1];
3271
	$rd6prefix = Net_IPv6::uncompress($rd6prefix[0]);
3272

    
3273
	/* we need the hex form of the broker IPv4 address */
3274
	$hexbrv4 = return_hex_ipv4($wancfg['gateway-6rd']);
3275

    
3276
	/* binary presentation of the prefix for all 128 bits. */
3277
	$rd6prefixbin = convert_ipv6_to_128bit($rd6prefix);
3278

    
3279
	/* just save the left prefix length bits */
3280
	$rd6brprefixbin = substr($rd6prefixbin, 0, $rd6prefixlen);
3281
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3282
	$rd6brprefixbin .= substr(sprintf("%032b", hexdec($hexbrv4)), $wancfg['prefix-6rd-v4plen'], 32);
3283
	/* fill out the rest with 0's */
3284
	$rd6brprefixbin = str_pad($rd6brprefixbin, 128, "0", STR_PAD_RIGHT);
3285

    
3286
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3287
	$rd6brgw = convert_128bit_to_ipv6($rd6brprefixbin);
3288

    
3289
	/* just save the left prefix length bits */
3290
	$rd6prefixbin = substr($rd6prefixbin, 0, $rd6prefixlen);
3291
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3292
	$rd6prefixbin .= substr(sprintf("%032b", hexdec($hexwanv4)), $wancfg['prefix-6rd-v4plen'], 32);
3293
	/* fill out the rest with 0's */
3294
	$rd6prefixbin = str_pad($rd6prefixbin, 128, "0", STR_PAD_RIGHT);;
3295

    
3296
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3297
	$rd6prefix = convert_128bit_to_ipv6($rd6prefixbin);
3298

    
3299
	/* XXX: need to extend to support variable prefix size for v4 */
3300
	if (!is_module_loaded("if_stf"))
3301
		mwexec("/sbin/kldload if_stf.ko");
3302
	$stfiface = "{$interface}_stf";
3303
	if (does_interface_exist($stfiface))
3304
		pfSense_interface_destroy($stfiface);
3305
	$tmpstfiface = pfSense_interface_create("stf");
3306
	pfSense_interface_rename($tmpstfiface, $stfiface);
3307
	pfSense_interface_flags($stfiface, IFF_LINK2);
3308
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$rd6prefix}/{$rd6prefixlen}");
3309
	if ($g['debug'])
3310
		log_error("Created 6rd interface {$stfiface} {$rd6prefix}/{$rd6prefixlen}");
3311

    
3312
	/* write out a default router file */
3313
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$rd6brgw}\n");
3314
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$rd6brgw}\n");
3315

    
3316
	$ip4gateway = get_interface_gateway($interface);
3317
	if (is_ipaddrv4($ip4gateway))
3318
		mwexec("/sbin/route change -host " . $wancfg['gateway-6rd'] . " {$ip4gateway}");
3319

    
3320
	/* configure dependent interfaces */
3321
	if (!$g['booting'])
3322
		link_interface_to_track6($interface, "update");
3323

    
3324
	return 0;
3325
}
3326

    
3327
function interface_6to4_configure($interface = "wan", $wancfg){
3328
	global $config, $g;
3329

    
3330
	/* because this is a tunnel interface we can only function
3331
	 *	with a public IPv4 address on the interface */
3332

    
3333
	if (!is_array($wancfg))
3334
		return;
3335

    
3336
	$wanif = get_real_interface($interface);
3337
	$ip4address = find_interface_ip($wanif);
3338
	if((!is_ipaddrv4($ip4address)) || (is_private_ip($ip4address))) {
3339
		log_error("The interface IPv4 '{$ip4address}' address on interface '{$wanif}' is not public, not configuring 6RD tunnel");
3340
		return false;
3341
	}
3342

    
3343
	/* create the long prefix notation for math, save the prefix length */
3344
	$stfprefixlen = 16;
3345
	$stfprefix = Net_IPv6::uncompress("2002::");
3346
	$stfarr = explode(":", $stfprefix);
3347
	$v4prefixlen = "0";
3348

    
3349
	/* we need the hex form of the interface IPv4 address */
3350
	$ip4arr = explode(".", $ip4address);
3351
	$hexwanv4 = "";
3352
	foreach($ip4arr as $octet)
3353
		$hexwanv4 .= sprintf("%02x", $octet);
3354

    
3355
	/* we need the hex form of the broker IPv4 address */
3356
	$ip4arr = explode(".", "192.88.99.1");
3357
	$hexbrv4 = "";
3358
	foreach($ip4arr as $octet)
3359
		$hexbrv4 .= sprintf("%02x", $octet);
3360

    
3361
	/* binary presentation of the prefix for all 128 bits. */
3362
	$stfprefixbin = "";
3363
	foreach($stfarr as $element) {
3364
		$stfprefixbin .= sprintf("%016b", hexdec($element));
3365
	}
3366
	/* just save the left prefix length bits */
3367
	$stfprefixstartbin = substr($stfprefixbin, 0, $stfprefixlen);
3368

    
3369
	/* if the prefix length is not 32 bits we need to shave bits off from the left of the v4 address. */
3370
	$stfbrokerbin = substr(sprintf("%032b", hexdec($hexbrv4)), $v4prefixlen, 32);
3371
	$stfbrokerbin = str_pad($stfprefixstartbin . $stfbrokerbin, 128, "0", STR_PAD_RIGHT);;
3372

    
3373
	/* for the local subnet too. */
3374
	$stflanbin = substr(sprintf("%032b", hexdec($hexwanv4)), $v4prefixlen, 32);
3375
	$stflanbin = str_pad($stfprefixstartbin . $stflanbin, 128, "0", STR_PAD_RIGHT);;
3376

    
3377
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3378
	$stfbrarr = array();
3379
	$stfbrbinarr = array();
3380
	$stfbrbinarr = str_split($stfbrokerbin, 16);
3381
	foreach($stfbrbinarr as $bin)
3382
		$stfbrarr[] = dechex(bindec($bin));
3383
	$stfbrgw = Net_IPv6::compress(implode(":", $stfbrarr));
3384

    
3385
	/* convert the 128 bits for the broker address back into a valid IPv6 address */
3386
	$stflanarr = array();
3387
	$stflanbinarr = array();
3388
	$stflanbinarr = str_split($stflanbin, 16);
3389
	foreach($stflanbinarr as $bin)
3390
		$stflanarr[] = dechex(bindec($bin));
3391
	$stflanpr = Net_IPv6::compress(implode(":", $stflanarr));
3392
	$stflanarr[7] = 1;
3393
	$stflan = Net_IPv6::compress(implode(":", $stflanarr));
3394

    
3395
	/* setup the stf interface */
3396
	if (!is_module_loaded("if_stf"))
3397
		mwexec("/sbin/kldload if_stf.ko");
3398
	$stfiface = "{$interface}_stf";
3399
	if (does_interface_exist($stfiface))
3400
		pfSense_interface_destroy($stfiface);
3401
	$tmpstfiface = pfSense_interface_create("stf");
3402
	pfSense_interface_rename($tmpstfiface, $stfiface);
3403
	pfSense_interface_flags($stfiface, IFF_LINK2);
3404
	mwexec("/sbin/ifconfig {$stfiface} inet6 {$stflanpr} prefixlen 16");
3405

    
3406
	if ($g['debug'])
3407
		log_error("Set IPv6 address inet6 {$stflanpr} prefixlen 16 for {$stfiface}, route {$stfbrgw}");
3408

    
3409
	/* write out a default router file */
3410
	file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$stfbrgw}");
3411
	file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$stfbrgw}");
3412

    
3413
	$ip4gateway = get_interface_gateway($interface);
3414
	if (is_ipaddrv4($ip4gateway))
3415
		mwexec("route change -host 192.88.99.1 {$ip4gateway}");
3416

    
3417
	if (!$g['booting'])
3418
		link_interface_to_track6($interface, "update");
3419

    
3420
	return 0;
3421
}
3422

    
3423
function interface_dhcpv6_configure($interface = "wan", $wancfg) {
3424
	global $config, $g;
3425

    
3426
	if (!is_array($wancfg))
3427
		return;
3428

    
3429
	$wanif = get_real_interface($interface);
3430
	$dhcp6cconf = "";
3431
	$dhcp6cconf .= "interface {$wanif} {\n";
3432

    
3433
	/* for SLAAC interfaces we do fire off a dhcp6 client for just our name servers */
3434
	if($wancfg['ipaddrv6'] == "slaac") {
3435
		$dhcp6cconf .= "	information-only;\n";
3436
		$dhcp6cconf .= "	request domain-name-servers;\n";
3437
		$dhcp6cconf .= "	request domain-name;\n";
3438
		$dhcp6cconf .= "	script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3439
		$dhcp6cconf .= "};\n";
3440
	} else {
3441

    
3442
		$dhcp6cconf .= " 	send ia-na 0;	# request stateful address\n";
3443
		if(is_numeric($wancfg['dhcp6-ia-pd-len']))
3444
			$dhcp6cconf .= "	send ia-pd 0;	# request prefix delegation\n";
3445
		$dhcp6cconf .= "request domain-name-servers;\n";
3446
		$dhcp6cconf .= "request domain-name;\n";
3447
		$dhcp6cconf .= "script \"{$g['varetc_path']}/dhcp6c_{$interface}_script.sh\"; # we'd like some nameservers please\n";
3448

    
3449
		$dhcp6cconf .= "};\n";
3450
		$dhcp6cconf .= "id-assoc na 0 { };\n";
3451
		if(is_numeric($wancfg['dhcp6-ia-pd-len'])) {
3452
			/* Setup the prefix delegation */
3453
			$dhcp6cconf .= "id-assoc pd 0 {\n";
3454
			$iflist = link_interface_to_track6($interface);
3455
			foreach ($iflist as $friendly => $ifcfg) {
3456
				if (is_numeric($ifcfg['track6-prefix-id'])) {
3457
					if ($g['debug'])
3458
						log_error("setting up $ifdescr - {$ifcfg['track6-prefix-id']}");
3459
					$realif = get_real_interface($friendly);
3460
					$dhcp6cconf .= "	prefix-interface {$realif} {\n";
3461
					$dhcp6cconf .= "		sla-id {$ifcfg['track6-prefix-id']};\n";
3462
					$dhcp6cconf .= "		sla-len {$wancfg['dhcp6-ia-pd-len']};\n";
3463
					$dhcp6cconf .= "	};\n";
3464
				}
3465
			}
3466
			unset($iflist, $ifcfg);
3467
			$dhcp6cconf .= "};\n";
3468
		}
3469
	}
3470
	/* wide-dhcp6c works for now. */
3471
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}.conf", $dhcp6cconf)) {
3472
		printf("Error: cannot open dhcp6c_{$interface}.conf in interface_dhcpv6_configure() for writing.\n");
3473
		unset($dhcp6cconf);
3474
		return 1;
3475
	}
3476
	unset($dhcp6cconf);
3477

    
3478
	$dhcp6cscript = "#!/bin/sh\n";
3479
	$dhcp6cscript .= "# This shell script launches /etc/rc.newwanipv6 with a interface argument.\n";
3480
	$dhcp6cscript .= "/etc/rc.newwanipv6 {$wanif} \n";
3481
	/* Add wide-dhcp6c shell script here. Because we can not pass a argument to it. */
3482
	if (!@file_put_contents("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", $dhcp6cscript)) {
3483
		printf("Error: cannot open dhcp6c_{$interface}_script.sh in interface_dhcpv6_configure() for writing.\n");
3484
		unset($dhcp6cscript);
3485
		return 1;
3486
	}
3487
	unset($dhcp6cscript);
3488
	@chmod("{$g['varetc_path']}/dhcp6c_{$interface}_script.sh", 0755);
3489

    
3490

    
3491
	/* accept router advertisements for this interface */
3492
	mwexec("/sbin/sysctl -w net.inet6.ip6.accept_rtadv=1");
3493
	log_error("Accept router advertisements on interface {$wanif} ");
3494
	mwexec("/sbin/ifconfig {$wanif} inet6 accept_rtadv");
3495

    
3496
	/* run a filter configure sync so that the filter rules allow traffic before we launch the client */
3497
	/* there reallyt is no good way around this i'm 'fraid */
3498
	if (!$g['booting'])
3499
		filter_configure_sync();
3500

    
3501
	/* fire up dhcp6c for IPv6 first, this backgrounds immediately */
3502
	mwexec("/usr/local/sbin/dhcp6c -d -c {$g['varetc_path']}/dhcp6c_{$interface}.conf -p {$g['varrun_path']}/dhcp6c_{$interface}.pid {$wanif}");
3503
	sleep(1);
3504
	unset($out);
3505
	exec("/sbin/rtsol -d {$wanif} 2>&1", $out, $ret);
3506
	if (!empty($out)) {
3507
		foreach($out as $line) {
3508
			if((stristr($line, "received")) && (!stristr($line, "unexpected"))) {
3509
				$parts = explode(" ", $line);
3510
				if(is_ipaddrv6($parts[3])) {
3511
					log_error("Found IPv6 default gateway '{$parts[3]}' by RA.");
3512
					file_put_contents("{$g['tmp_path']}/{$wanif}_routerv6", "{$parts[3]}\n");
3513
					file_put_contents("{$g['tmp_path']}/{$wanif}_defaultgwv6", "{$parts[3]}\n");
3514
					break;
3515
				}
3516
			}
3517
		}
3518
		unset($out);
3519
	}
3520
	/* worst case is that the rc.newwanipv6 handles setting up the track6 interface */
3521
	if (!$g['booting'] && $wancfg['ipaddrv6'] != "slaac")
3522
		link_interface_to_track6($interface, "update");
3523

    
3524
	return 0;
3525
}
3526

    
3527
function interface_dhcp_configure($interface = "wan") {
3528
	global $config, $g;
3529

    
3530
	$wancfg = $config['interfaces'][$interface];
3531
	$wanif = $wancfg['if'];
3532
	if (empty($wancfg))
3533
		$wancfg = array();
3534

    
3535
	/* generate dhclient_wan.conf */
3536
	$fd = fopen("{$g['varetc_path']}/dhclient_{$interface}.conf", "w");
3537
	if (!$fd) {
3538
		printf(printf(gettext("Error: cannot open dhclient_%s.conf in interface_dhcp_configure() for writing.%s"), $interface, "\n"));
3539
		return 1;
3540
	}
3541

    
3542
	if ($wancfg['dhcphostname']) {
3543
		$dhclientconf_hostname = "send dhcp-client-identifier \"{$wancfg['dhcphostname']}\";\n";
3544
		$dhclientconf_hostname .= "\tsend host-name \"{$wancfg['dhcphostname']}\";\n";
3545
	} else {
3546
		$dhclientconf_hostname = "";
3547
	}
3548

    
3549
	$wanif = get_real_interface($interface);
3550
	if (empty($wanif)) {
3551
		log_error(sprintf(gettext("Invalid interface \"%s\" in interface_dhcp_configure()"), $interface));
3552
		return 0;
3553
	}
3554
	$dhclientconf = "";
3555

    
3556
	$dhclientconf .= <<<EOD
3557
interface "{$wanif}" {
3558
timeout 60;
3559
retry 15;
3560
select-timeout 0;
3561
initial-interval 1;
3562
	{$dhclientconf_hostname}
3563
	script "/sbin/dhclient-script";
3564
}
3565

    
3566
EOD;
3567

    
3568
if(is_ipaddr($wancfg['alias-address'])) {
3569
	$subnetmask = gen_subnet_mask($wancfg['alias-subnet']);
3570
	$dhclientconf .= <<<EOD
3571
alias {
3572
	interface  "{$wanif}";
3573
	fixed-address {$wancfg['alias-address']};
3574
	option subnet-mask {$subnetmask};
3575
}
3576

    
3577
EOD;
3578
}
3579
	fwrite($fd, $dhclientconf);
3580
	fclose($fd);
3581

    
3582
	/* bring wan interface up before starting dhclient */
3583
	if($wanif)
3584
		interfaces_bring_up($wanif);
3585
	else
3586
		log_error(printf(gettext("Could not bring up %s interface in interface_dhcp_configure()"), $wanif));
3587

    
3588
	/* fire up dhclient */
3589
	mwexec("/sbin/dhclient -c {$g['varetc_path']}/dhclient_{$interface}.conf {$wanif} > {$g['tmp_path']}/{$wanif}_output 2> {$g['tmp_path']}/{$wanif}_error_output");
3590

    
3591
	return 0;
3592
}
3593

    
3594
function interfaces_group_setup() {
3595
	global $config;
3596

    
3597
	if (!is_array($config['ifgroups']['ifgroupentry']))
3598
		return;
3599

    
3600
	foreach ($config['ifgroups']['ifgroupentry'] as $groupar)
3601
		interface_group_setup($groupar);
3602

    
3603
	return;
3604
}
3605

    
3606
function interface_group_setup(&$groupname /* The parameter is an array */) {
3607
	global $config;
3608

    
3609
	if (!is_array($groupname))
3610
		return;
3611
	$members = explode(" ", $groupname['members']);
3612
	foreach($members as $ifs) {
3613
		$realif = get_real_interface($ifs);
3614
		if ($realif)
3615
			mwexec("/sbin/ifconfig {$realif} group {$groupname['ifname']}");
3616
	}
3617

    
3618
	return;
3619
}
3620

    
3621
function is_interface_group($if) {
3622
	global $config;
3623

    
3624
	if (is_array($config['ifgroups']['ifgroupentry']))
3625
		foreach ($config['ifgroups']['ifgroupentry'] as $groupentry) {
3626
			if ($groupentry['ifname'] === $if)
3627
				return true;
3628
		}
3629

    
3630
	return false;
3631
}
3632

    
3633
function interface_group_add_member($interface, $groupname) {
3634
	$interface = get_real_interface($interface);
3635
	mwexec("/sbin/ifconfig {$interface} group {$groupname}", true);
3636
}
3637

    
3638
/* COMPAT Function */
3639
function convert_friendly_interface_to_real_interface_name($interface) {
3640
	return get_real_interface($interface);
3641
}
3642

    
3643
/* COMPAT Function */
3644
function get_real_wan_interface($interface = "wan") {
3645
	return get_real_interface($interface);
3646
}
3647

    
3648
/* COMPAT Function */
3649
function get_current_wan_address($interface = "wan") {
3650
	return get_interface_ip($interface);
3651
}
3652

    
3653
/*
3654
 * convert_real_interface_to_friendly_interface_name($interface): convert fxp0 -> wan, etc.
3655
 */
3656
function convert_real_interface_to_friendly_interface_name($interface = "wan") {
3657
	global $config;
3658

    
3659
	if (stristr($interface, "_vip")) {
3660
		foreach ($config['virtualip']['vip'] as $counter => $vip) {
3661
			if ($vip['mode'] == "carp")  {
3662
				if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3663
					return $vip['interface'];
3664
			}
3665
		}
3666
	}
3667

    
3668
	/* XXX: For speed reasons reference directly the interface array */
3669
	$ifdescrs = &$config['interfaces'];
3670
	//$ifdescrs = get_configured_interface_list(false, true);
3671

    
3672
	foreach ($ifdescrs as $if => $ifname) {
3673
		if ($if == $interface || $config['interfaces'][$if]['if'] == $interface)
3674
			return $if;
3675

    
3676
		if (stristr($interface, "_wlan0") && $config['interfaces'][$if]['if'] == interface_get_wireless_base($interface))
3677
			return $if;
3678

    
3679
		// XXX: This case doesn't work anymore (segfaults - recursion?) - should be replaced with something else or just removed.
3680
		//      Not to be replaced with get_real_interface - causes slow interface listings here because of recursion!
3681
		/*
3682
		$int = get_parent_interface($if);
3683
		if ($int[0] == $interface)
3684
			return $ifname;
3685
		 */
3686
	}
3687
	return NULL;
3688
}
3689

    
3690
/* attempt to resolve interface to friendly descr */
3691
function convert_friendly_interface_to_friendly_descr($interface) {
3692
	global $config;
3693

    
3694
	switch ($interface) {
3695
	case "l2tp":
3696
		$ifdesc = "L2TP";
3697
		break;
3698
	case "pptp":
3699
		$ifdesc = "PPTP";
3700
		break;
3701
	case "pppoe":
3702
		$ifdesc = "PPPoE";
3703
		break;
3704
	case "openvpn":
3705
		$ifdesc = "OpenVPN";
3706
		break;
3707
	case "enc0":
3708
	case "ipsec":
3709
		$ifdesc = "IPsec";
3710
		break;
3711
	default:
3712
		if (isset($config['interfaces'][$interface])) {
3713
			if (empty($config['interfaces'][$interface]['descr']))
3714
				$ifdesc = strtoupper($interface);
3715
			else
3716
				$ifdesc = strtoupper($config['interfaces'][$interface]['descr']);
3717
			break;
3718
		} else if (stristr($interface, "_vip")) {
3719
			if (is_array($config['virtualip']['vip'])) {
3720
				foreach ($config['virtualip']['vip'] as $counter => $vip) {
3721
					if ($vip['mode'] == "carp")  {
3722
						if ($interface == "{$vip['interface']}_vip{$vip['vhid']}")
3723
							return "{$vip['subnet']} - {$vip['descr']}";
3724
					}
3725
				}
3726
			}
3727
		} else {
3728
			/* if list */
3729
			$ifdescrs = get_configured_interface_with_descr(false, true);
3730
			foreach ($ifdescrs as $if => $ifname) {
3731
				if ($if == $interface || $ifname == $interface)
3732
					return $ifname;
3733
			}
3734
		}
3735
		break;
3736
	}
3737

    
3738
	return $ifdesc;
3739
}
3740

    
3741
function convert_real_interface_to_friendly_descr($interface) {
3742
	global $config;
3743

    
3744
	$ifdesc = convert_real_interface_to_friendly_interface_name("{$interface}");
3745

    
3746
	if ($ifdesc) {
3747
		$iflist = get_configured_interface_with_descr(false, true);
3748
		return $iflist[$ifdesc];
3749
	}
3750

    
3751
	return $interface;
3752
}
3753

    
3754
/*
3755
 *  get_parent_interface($interface):
3756
 *			--returns the (real or virtual) parent interface(s) array for a given interface friendly name (i.e. wan)
3757
 *				or virtual interface (i.e. vlan)
3758
 *				(We need array because MLPPP and bridge interfaces have more than one parent.)
3759
 *			-- returns $interface passed in if $interface parent is not found
3760
 *			-- returns empty array if an invalid interface is passed
3761
 *	(Only handles ppps and vlans now.)
3762
 */
3763
function get_parent_interface($interface) {
3764
	global $config;
3765

    
3766
	$parents = array();
3767
	//Check that we got a valid interface passed
3768
	$realif = get_real_interface($interface);
3769
	if ($realif == NULL)
3770
		return $parents;
3771

    
3772
	// If we got a real interface, find it's friendly assigned name
3773
	$interface = convert_real_interface_to_friendly_interface_name($interface);
3774

    
3775
	if (!empty($interface) && isset($config['interfaces'][$interface])) {
3776
		$ifcfg = $config['interfaces'][$interface];
3777
		switch ($ifcfg['ipaddr']) {
3778
			case "ppp":
3779
			case "pppoe":
3780
			case "pptp":
3781
			case "l2tp":
3782
				if (empty($parents))
3783
					if (is_array($config['ppps']['ppp']))
3784
						foreach ($config['ppps']['ppp'] as $pppidx => $ppp) {
3785
							if ($ifcfg['if'] == $ppp['if']) {
3786
								$ports = explode(',', $ppp['ports']);
3787
								foreach ($ports as $pid => $parent_if)
3788
									$parents[$pid] = get_real_interface($parent_if);
3789
								break;
3790
							}
3791
						}
3792
				break;
3793
			case "dhcp":
3794
			case "static":
3795
			default:
3796
				// Handle _vlans
3797
				if (strstr($realif,"_vlan"))
3798
					if (is_array($config['vlans']['vlan']))
3799
						foreach ($config['vlans']['vlan'] as $vlanidx => $vlan)
3800
							if ($ifcfg['if'] == $vlan['vlanif']){
3801
								$parents[0] = $vlan['if'];
3802
								break;
3803
							}
3804
				break;
3805
		}
3806
	}
3807

    
3808
	if (empty($parents))
3809
		$parents[0] = $realif;
3810

    
3811
	return $parents;
3812
}
3813

    
3814
function interface_is_wireless_clone($wlif) {
3815
	if(!stristr($wlif, "_wlan")) {
3816
		return false;
3817
	} else {
3818
		return true;
3819
	}
3820
}
3821

    
3822
function interface_get_wireless_base($wlif) {
3823
	if(!stristr($wlif, "_wlan")) {
3824
		return $wlif;
3825
	} else {
3826
		return substr($wlif, 0, stripos($wlif, "_wlan"));
3827
	}
3828
}
3829

    
3830
function interface_get_wireless_clone($wlif) {
3831
	if(!stristr($wlif, "_wlan")) {
3832
		return $wlif . "_wlan0";
3833
	} else {
3834
		return $wlif;
3835
	}
3836
}
3837

    
3838
function get_real_interface($interface = "wan") {
3839
	global $config, $g;
3840

    
3841
	$wanif = NULL;
3842

    
3843
	switch ($interface) {
3844
	case "l2tp":
3845
		$wanif = "l2tp";
3846
		break;
3847
	case "pptp":
3848
		$wanif = "pptp";
3849
		break;
3850
	case "pppoe":
3851
		$wanif = "pppoe";
3852
		break;
3853
	case "openvpn":
3854
		$wanif = "openvpn";
3855
		break;
3856
	case "ipsec":
3857
	case "enc0":
3858
		$wanif = "enc0";
3859
		break;
3860
	case "ppp":
3861
		$wanif = "ppp";
3862
		break;
3863
	default:
3864
		// If a real interface was alread passed simply
3865
		// pass the real interface back.  This encourages
3866
		// the usage of this function in more cases so that
3867
		// we can combine logic for more flexibility.
3868
		if(does_interface_exist($interface)) {
3869
			$wanif = $interface;
3870
			break;
3871
		}
3872

    
3873
		if (empty($config['interfaces'][$interface]))
3874
			break;
3875

    
3876
		$cfg = &$config['interfaces'][$interface];
3877

    
3878
		// Wireless cloned NIC support (FreeBSD 8+)
3879
		// interface name format: $parentnic_wlanparentnic#
3880
		// example: ath0_wlan0
3881
		if( is_array($cfg['wireless']) || preg_match($g['wireless_regex'], $cfg['if']))
3882
			$wanif = interface_get_wireless_clone($cfg['if']);
3883
		else
3884
			$wanif = $cfg['if'];
3885
		break;
3886
	}
3887

    
3888
	return $wanif;
3889
}
3890

    
3891
/* Guess the physical interface by providing a IP address */
3892
function guess_interface_from_ip($ipaddress) {
3893
	if(! is_ipaddr($ipaddress)) {
3894
		return false;
3895
	}
3896
	if(is_ipaddrv4($ipaddress)) {
3897
		/* create a route table we can search */
3898
		exec("netstat -rnWf inet", $output, $ret);
3899
		foreach($output as $line) {
3900
			if(preg_match("/^[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+\/[0-9]+[ ]+link[#]/", $line)) {
3901
				$fields = preg_split("/[ ]+/", $line);
3902
				if(ip_in_subnet($ipaddress, $fields[0])) {
3903
					return $fields[6];
3904
				}
3905
			}
3906
		}
3907
	}
3908
	/* FIXME: This works from cursory testing, regexp might need fine tuning */
3909
	if(is_ipaddrv6($ipaddress)) {
3910
		/* create a route table we can search */
3911
		exec("netstat -rnWf inet6", $output, $ret);
3912
		foreach($output as $line) {
3913
			if(preg_match("/[0-9a-f]+[:]+[0-9a-f]+[:]+[\/][0-9]+/", $line)) {
3914
				$fields = preg_split("/[ ]+/", $line);
3915
				if(ip_in_subnet($ipaddress, $fields[0])) {
3916
					return $fields[6];
3917
				}
3918
			}
3919
		}
3920
	}
3921
	$ret = exec_command("/sbin/route -n get {$ipaddress} | /usr/bin/awk '/interface/ { print \$2; };'");
3922
	if(empty($ret)) {
3923
		return false;
3924
	}
3925
	return $ret;
3926
}
3927

    
3928
/*
3929
 * find_ip_interface($ip): return the interface where an ip is defined
3930
 *   (or if $bits is specified, where an IP within the subnet is defined)
3931
 */
3932
function find_ip_interface($ip, $bits = null) {
3933
	if (!is_ipaddr($ip))
3934
		return false;
3935
	
3936
	$isv6ip = is_ipaddrv6($ip);
3937
	
3938
	/* if list */
3939
	$ifdescrs = get_configured_interface_list();
3940

    
3941
	foreach ($ifdescrs as $ifdescr => $ifname) {
3942
		$ifip = ($isv6ip) ? get_interface_ipv6($ifname) : get_interface_ip($ifname);
3943
		if (is_null($ifip))
3944
			continue;
3945
		if (is_null($bits)) {
3946
			if ($ip == $ifip) {
3947
				$int = get_real_interface($ifname);
3948
				return $int;
3949
			}
3950
		}
3951
		else {
3952
			if (ip_in_subnet($ifip, $ip . "/" . $bits)) {
3953
				$int = get_real_interface($ifname);
3954
				return $int;
3955
			}
3956
		}
3957
	}
3958

    
3959
	return false;
3960
}
3961

    
3962
/*
3963
 * find_virtual_ip_alias($ip): return the virtual IP alias where an IP is found
3964
 *   (or if $bits is specified, where an IP within the subnet is found)
3965
 */
3966
function find_virtual_ip_alias($ip, $bits = null) {
3967
	global $config;
3968
	
3969
	if (!is_array($config['virtualip']['vip'])) {
3970
		return false;
3971
	}
3972
	if (!is_ipaddr($ip))
3973
		return false;
3974
	
3975
	$isv6ip = is_ipaddrv6($ip);
3976
	
3977
	foreach ($config['virtualip']['vip'] as $vip) {
3978
		if ($vip['mode'] === "ipalias") {
3979
			if (is_ipaddrv6($vip['subnet']) != $isv6ip)
3980
				continue;
3981
			if (is_null($bits)) {
3982
				if (ip_in_subnet($ip, $vip['subnet'] . "/" . $vip['subnet_bits'])) {
3983
					return $vip;
3984
				}
3985
			}
3986
			else {
3987
				if (($isv6ip && check_subnetsv6_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))
3988
					|| (!$isv6ip && check_subnets_overlap($ip, $bits, $vip['subnet'], $vip['subnet_bits']))) {
3989
					return $vip;
3990
				}
3991
			}
3992
		}
3993
	}
3994
	return false;
3995
}
3996

    
3997
/*
3998
 *   find_number_of_created_carp_interfaces: return the number of carp interfaces
3999
 */
4000
function find_number_of_created_carp_interfaces() {
4001
	return `/sbin/ifconfig | grep "carp:" | wc -l`;
4002
}
4003

    
4004
function get_all_carp_interfaces() {
4005
	$ints = str_replace("\n", " ", `ifconfig | grep "carp:" -B2 | grep ": flag" | cut -d: -f1`);
4006
	$ints = explode(" ", $ints);
4007
	return $ints;
4008
}
4009

    
4010
/*
4011
 * find_carp_interface($ip): return the carp interface where an ip is defined
4012
 */
4013
function find_carp_interface($ip) {
4014
	global $config;
4015
	if (is_array($config['virtualip']['vip'])) {
4016
		foreach ($config['virtualip']['vip'] as $vip) {
4017
			if ($vip['mode'] == "carp") {
4018
				if(is_ipaddrv4($ip)) {
4019
					$carp_ip = get_interface_ip($vip['interface']);
4020
				}
4021
				if(is_ipaddrv6($ip)) {
4022
					$carp_ip = get_interface_ipv6($vip['interface']);
4023
				}
4024
				exec("/sbin/ifconfig", $output, $return);
4025
				foreach($output as $line) {
4026
					$elements = preg_split("/[ ]+/i", $line);
4027
					if(strstr($elements[0], "vip"))
4028
						$curif = str_replace(":", "", $elements[0]);
4029
					if(stristr($line, $ip)) {
4030
						$if = $curif;
4031
						continue;
4032
					}
4033
				}
4034

    
4035
				if ($if)
4036
					return $if;
4037
			}
4038
		}
4039
	}
4040
}
4041

    
4042
function link_carp_interface_to_parent($interface) {
4043
	global $config;
4044

    
4045
	if ($interface == "")
4046
		return;
4047

    
4048
	$carp_ip = get_interface_ip($interface);
4049
	$carp_ipv6 = get_interface_ipv6($interface);
4050

    
4051
	if((!is_ipaddrv4($carp_ip)) && (!is_ipaddrv6($carp_ipv6)))
4052
		return;
4053

    
4054
	/* if list */
4055
	$ifdescrs = get_configured_interface_list();
4056
	foreach ($ifdescrs as $ifdescr => $ifname) {
4057
		/* check IPv4 */
4058
		if(is_ipaddrv4($carp_ip)) {
4059
			$interfaceip = get_interface_ip($ifname);
4060
			$subnet_bits = get_interface_subnet($ifname);
4061
			$subnet_ip = gen_subnet("{$interfaceip}", "{$subnet_bits}");
4062
			if(ip_in_subnet($carp_ip, "{$subnet_ip}/{$subnet_bits}"))
4063
				return $ifname;
4064
		}
4065
		/* Check IPv6 */
4066
		if(is_ipaddrv6($carp_ipv6)) {
4067
			$interfaceipv6 = get_interface_ipv6($ifname);
4068
			$prefixlen = get_interface_subnetv6($ifname);
4069
			if(ip_in_subnet($carp_ipv6, "{$interfaceipv6}/{$prefixlen}"))
4070
				return $ifname;
4071
		}
4072
	}
4073
	return "";
4074
}
4075

    
4076

    
4077
/****f* interfaces/link_ip_to_carp_interface
4078
 * NAME
4079
 *   link_ip_to_carp_interface - Find where a CARP interface links to.
4080
 * INPUTS
4081
 *   $ip
4082
 * RESULT
4083
 *   $carp_ints
4084
 ******/
4085
function link_ip_to_carp_interface($ip) {
4086
	global $config;
4087

    
4088
	if (!is_ipaddr($ip))
4089
		return;
4090

    
4091
	$carp_ints = "";
4092
	if (is_array($config['virtualip']['vip'])) {
4093
		$first = 0;
4094
		$carp_int = array();
4095
		foreach ($config['virtualip']['vip'] as $vip) {
4096
			if ($vip['mode'] == "carp") {
4097
				$carp_ip = $vip['subnet'];
4098
				$carp_sn = $vip['subnet_bits'];
4099
				$carp_nw = gen_subnet($carp_ip, $carp_sn);
4100
				if (ip_in_subnet($ip, "{$carp_nw}/{$carp_sn}")) {
4101
					$carp_int[] = "{$vip['interface']}_vip{$vip['vhid']}";
4102
				}
4103
			}
4104
		}
4105
		if (!empty($carp_int))
4106
			$carp_ints = implode(" ", array_unique($carp_int));
4107
	}
4108

    
4109
	return $carp_ints;
4110
}
4111

    
4112
function link_interface_to_track6($int, $action = "") {
4113
	global $config;
4114

    
4115
	if (empty($int))
4116
		return;
4117

    
4118
	if (is_array($config['interfaces'])) {
4119
		$list = array();
4120
		foreach ($config['interfaces'] as $ifname => $ifcfg) {
4121
			if (!isset($ifcfg['enable']))
4122
				continue;
4123
			if (!empty($ifcfg['ipaddrv6']) && $ifcfg['track6-interface'] == $int) {
4124
				if ($action == "update")
4125
					interface_track6_configure($ifname, $ifcfg);
4126
				else if ($action == "")
4127
					$list[$ifname] = $ifcfg;
4128
			}
4129
		}
4130
		return $list;
4131
	}
4132
}
4133

    
4134
function link_interface_to_vlans($int, $action = "") {
4135
	global $config;
4136

    
4137
	if (empty($int))
4138
		return;
4139

    
4140
	if (is_array($config['vlans']['vlan'])) {
4141
		foreach ($config['vlans']['vlan'] as $vlan) {
4142
			if ($int == $vlan['if']) {
4143
				if ($action == "update") {
4144
					interfaces_bring_up($int);
4145
				} else if ($action == "")
4146
					return $vlan;
4147
			}
4148
		}
4149
	}
4150
}
4151

    
4152
function link_interface_to_vips($int, $action = "") {
4153
	global $config;
4154

    
4155
	if (is_array($config['virtualip']['vip'])) {
4156
		$result = array();
4157
		foreach ($config['virtualip']['vip'] as $vip) {
4158
			if ($int == $vip['interface']) {
4159
				if ($action == "update")
4160
					interfaces_vips_configure($int);
4161
				else
4162
					$result[] = $vip;
4163
			}
4164
		}
4165
		return $result;
4166
	}
4167
}
4168

    
4169
/****f* interfaces/link_interface_to_bridge
4170
 * NAME
4171
 *   link_interface_to_bridge - Finds out a bridge group for an interface
4172
 * INPUTS
4173
 *   $ip
4174
 * RESULT
4175
 *   bridge[0-99]
4176
 ******/
4177
function link_interface_to_bridge($int) {
4178
	global $config;
4179

    
4180
	if (is_array($config['bridges']['bridged'])) {
4181
		foreach ($config['bridges']['bridged'] as $bridge) {
4182
			if (in_array($int, explode(',', $bridge['members'])))
4183
				return "{$bridge['bridgeif']}";
4184
		}
4185
	}
4186
}
4187

    
4188
function link_interface_to_group($int) {
4189
	global $config;
4190

    
4191
	$result = array();
4192

    
4193
	if (is_array($config['ifgroups']['ifgroupentry'])) {
4194
		foreach ($config['ifgroups']['ifgroupentry'] as $group) {
4195
			if (in_array($int, explode(" ", $group['members'])))
4196
				$result[$group['ifname']] = $int;
4197
		}
4198
	}
4199

    
4200
	return $result;
4201
}
4202

    
4203
function link_interface_to_gre($interface) {
4204
	global $config;
4205

    
4206
	$result = array();
4207

    
4208
	if (is_array($config['gres']['gre'])) {
4209
		foreach ($config['gres']['gre'] as $gre)
4210
			if($gre['if'] == $interface)
4211
				$result[] = $gre;
4212
	}
4213

    
4214
	return $result;
4215
}
4216

    
4217
function link_interface_to_gif($interface) {
4218
	global $config;
4219

    
4220
	$result = array();
4221

    
4222
	if (is_array($config['gifs']['gif'])) {
4223
		foreach ($config['gifs']['gif'] as $gif)
4224
			if($gif['if'] == $interface)
4225
				$result[] = $gif;
4226
	}
4227

    
4228
	return $result;
4229
}
4230

    
4231
/*
4232
 * find_interface_ip($interface): return the interface ip (first found)
4233
 */
4234
function find_interface_ip($interface, $flush = false)
4235
{
4236
	global $interface_ip_arr_cache;
4237
	global $interface_sn_arr_cache;
4238

    
4239
	$interface = str_replace("\n", "", $interface);
4240

    
4241
	if (!does_interface_exist($interface))
4242
		return;
4243

    
4244
	/* Setup IP cache */
4245
	if (!isset($interface_ip_arr_cache[$interface]) or $flush) {
4246
		$ifinfo = pfSense_get_interface_addresses($interface);
4247
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4248
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4249
	}
4250

    
4251
	return $interface_ip_arr_cache[$interface];
4252
}
4253

    
4254
/*
4255
 * find_interface_ipv6($interface): return the interface ip (first found)
4256
 */
4257
function find_interface_ipv6($interface, $flush = false)
4258
{
4259
	global $interface_ipv6_arr_cache;
4260
	global $interface_snv6_arr_cache;
4261
	global $config;
4262

    
4263
	$interface = trim($interface);
4264
	$interface = get_real_interface($interface);
4265

    
4266
	if (!does_interface_exist($interface))
4267
		return;
4268

    
4269
	/* Setup IP cache */
4270
	if (!isset($interface_ipv6_arr_cache[$interface]) or $flush) {
4271
		$ifinfo = pfSense_get_interface_addresses($interface);
4272
		// FIXME: Add IPv6 support to the pfSense module
4273
		exec("/sbin/ifconfig {$interface} inet6", $output);
4274
		foreach($output as $line) {
4275
			if(preg_match("/inet6/", $line)) {
4276
				$parts = explode(" ", $line);
4277
				if(! preg_match("/fe80::/", $parts[1])) {
4278
					$ifinfo['ipaddrv6'] = $parts[1];
4279
					if($parts[2] == "-->") {
4280
						$parts[5] = "126";
4281
						$ifinfo['subnetbitsv6'] = $parts[5];
4282
					} else {
4283
						$ifinfo['subnetbitsv6'] = $parts[3];
4284
					}
4285
					break;
4286
				}
4287
			}
4288
		}
4289
		$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4290
		$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4291
	}
4292

    
4293
	return $interface_ipv6_arr_cache[$interface];
4294
}
4295

    
4296
/*
4297
 * find_interface_ipv6_ll($interface): return the interface ipv6 link local (first found)
4298
 */
4299
function find_interface_ipv6_ll($interface, $flush = false)
4300
{
4301
	global $interface_llv6_arr_cache;
4302
	global $config;
4303

    
4304
	$interface = str_replace("\n", "", $interface);
4305

    
4306
	if (!does_interface_exist($interface))
4307
		return;
4308

    
4309
	/* Setup IP cache */
4310
	if (!isset($interface_llv6_arr_cache[$interface]) or $flush) {
4311
		$ifinfo = pfSense_get_interface_addresses($interface);
4312
		// FIXME: Add IPv6 support to the pfSense module
4313
		exec("/sbin/ifconfig {$interface} inet6", $output);
4314
		foreach($output as $line) {
4315
			if(preg_match("/inet6/", $line)) {
4316
				$parts = explode(" ", $line);
4317
				if(preg_match("/fe80::/", $parts[1])) {
4318
					$partsaddress = explode("%", $parts[1]);
4319
					$ifinfo['linklocal'] = $partsaddress[0];
4320
				}
4321
			}
4322
		}
4323
		$interface_llv6_arr_cache[$interface] = $ifinfo['linklocal'];
4324
	}
4325
	return $interface_llv6_arr_cache[$interface];
4326
}
4327

    
4328
function find_interface_subnet($interface, $flush = false)
4329
{
4330
	global $interface_sn_arr_cache;
4331
	global $interface_ip_arr_cache;
4332

    
4333
	$interface = str_replace("\n", "", $interface);
4334
	if (does_interface_exist($interface) == false)
4335
		return;
4336

    
4337
	if (!isset($interface_sn_arr_cache[$interface]) or $flush) {
4338
		$ifinfo = pfSense_get_interface_addresses($interface);
4339
		$interface_ip_arr_cache[$interface] = $ifinfo['ipaddr'];
4340
		$interface_sn_arr_cache[$interface] = $ifinfo['subnetbits'];
4341
	}
4342

    
4343
	return $interface_sn_arr_cache[$interface];
4344
}
4345

    
4346
function find_interface_subnetv6($interface, $flush = false)
4347
{
4348
	global $interface_snv6_arr_cache;
4349
	global $interface_ipv6_arr_cache;
4350

    
4351
	$interface = str_replace("\n", "", $interface);
4352
	if (does_interface_exist($interface) == false)
4353
		return;
4354

    
4355
	$foundv6 = false;
4356
	if (!isset($interface_snv6_arr_cache[$interface]) or $flush) {
4357
		$ifinfo = pfSense_get_interface_addresses($interface);
4358
		// FIXME: Add IPv6 support to the pfSense module
4359
		unset($output);
4360
		exec("/sbin/ifconfig {$interface} inet6", $output);
4361
		foreach($output as $line) {
4362
			$line = trim($line);
4363
			if(preg_match("/inet6/", $line)) {
4364
				$parts = explode(" ", $line);
4365
				if(! preg_match("/fe80::/", $parts[1])) {
4366
					$ifinfo['ipaddrv6'] = $parts[1];
4367
					if($parts[2] == "-->") {
4368
						$parts[5] = "126";
4369
						$ifinfo['subnetbitsv6'] = $parts[5];
4370
					} else {
4371
						$ifinfo['subnetbitsv6'] = $parts[3];
4372
					}
4373
					$foundv6 = true;
4374
					break;
4375
				}
4376
			}
4377
		}
4378
		if ($foundv6 === true) {
4379
			$interface_ipv6_arr_cache[$interface] = $ifinfo['ipaddrv6'];
4380
			$interface_snv6_arr_cache[$interface] = $ifinfo['subnetbitsv6'];
4381
		} else
4382
			unset($interface_ipv6_arr_cache[$interface], $interface_snv6_arr_cache[$interface]);
4383
	}
4384

    
4385
	return $interface_snv6_arr_cache[$interface];
4386
}
4387

    
4388
function ip_in_interface_alias_subnet($interface, $ipalias) {
4389
	global $config;
4390

    
4391
	if (empty($interface) || !is_ipaddr($ipalias))
4392
		return false;
4393
	if (is_array($config['virtualip']['vip'])) {
4394
		foreach ($config['virtualip']['vip'] as $vip) {
4395
			switch ($vip['mode']) {
4396
			case "ipalias":
4397
				if ($vip['interface'] <> $interface)
4398
					break;
4399
				if (ip_in_subnet($ipalias, gen_subnet($vip['subnet'], $vip['subnet_bits']) . "/" . $vip['subnet_bits']))
4400
					return true;
4401
				break;
4402
			}
4403
		}
4404
	}
4405

    
4406
	return false;
4407
}
4408

    
4409
function get_interface_ip($interface = "wan")
4410
{
4411
	$realif = get_failover_interface($interface);
4412
	if (!$realif) {
4413
		if (preg_match("/^carp/i", $interface))
4414
			$realif = $interface;
4415
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4416
			$realif = $interface;
4417
		else
4418
			return null;
4419
	}
4420

    
4421
	$curip = find_interface_ip($realif);
4422
	if ($curip && is_ipaddr($curip) && ($curip != "0.0.0.0"))
4423
		return $curip;
4424
	else
4425
		return null;
4426
}
4427

    
4428
function get_interface_ipv6($interface = "wan")
4429
{
4430
	global $config;
4431

    
4432
	$realif = get_failover_interface($interface);
4433
	if (is_array($config['interfaces'][$interface])) {
4434
		switch($config['interfaces'][$interface]['ipaddrv6']) {
4435
			case "6rd":
4436
			case "6to4":
4437
				$realif = "{$interface}_stf";
4438
				break;
4439
		}
4440
	}
4441
	if (!$realif) {
4442
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4443
			$realif = $interface;
4444
		else
4445
			return null;
4446
	}
4447

    
4448
	$curip = find_interface_ipv6($realif);
4449
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4450
		return $curip;
4451
	else
4452
		return null;
4453
}
4454

    
4455
function get_interface_linklocal($interface = "wan")
4456
{
4457
	$realif = get_failover_interface($interface);
4458
	if (!$realif) {
4459
		if (preg_match("/^carp/i", $interface))
4460
			$realif = $interface;
4461
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4462
			$realif = $interface;
4463
		else
4464
			return null;
4465
	}
4466

    
4467
	$curip = find_interface_ipv6_ll($realif);
4468
	if ($curip && is_ipaddrv6($curip) && ($curip != "::"))
4469
		return $curip;
4470
	else
4471
		return null;
4472
}
4473

    
4474
function get_interface_subnet($interface = "wan")
4475
{
4476
	$realif = get_real_interface($interface);
4477
	if (!$realif) {
4478
		if (preg_match("/^carp/i", $interface))
4479
			$realif = $interface;
4480
		else if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4481
			$realif = $interface;
4482
		else
4483
			return null;
4484
	}
4485

    
4486
	$cursn = find_interface_subnet($realif);
4487
	if (!empty($cursn))
4488
		return $cursn;
4489

    
4490
	return null;
4491
}
4492

    
4493
function get_interface_subnetv6($interface = "wan")
4494
{
4495
	global $config;
4496

    
4497
	if (is_array($config['interfaces'][$interface])) {
4498
		switch($config['interfaces'][$interface]['ipaddrv6']) {
4499
			case "6rd":
4500
			case "6to4":
4501
				$realif = "{$interface}_stf";
4502
				break;
4503
			default:
4504
				$realif = get_real_interface($interface);
4505
				break;
4506
		}
4507
	}
4508
	if (!$realif) {
4509
		if (preg_match("/^[a-z0-9]+_vip/i", $interface))
4510
			$realif = $interface;
4511
		else
4512
			return null;
4513
	}
4514

    
4515
	$cursn = find_interface_subnetv6($realif);
4516
	if (!empty($cursn))
4517
		return $cursn;
4518

    
4519
	return null;
4520
}
4521

    
4522
/* return outside interfaces with a gateway */
4523
function get_interfaces_with_gateway() {
4524
	global $config;
4525

    
4526
	$ints = array();
4527

    
4528
	/* loop interfaces, check config for outbound */
4529
	foreach($config['interfaces'] as $ifdescr => $ifname) {
4530
		switch ($ifname['ipaddr']) {
4531
			case "dhcp":
4532
			case "ppp";
4533
			case "pppoe":
4534
			case "pptp":
4535
			case "l2tp":
4536
			case "ppp";
4537
				$ints[$ifdescr] = $ifdescr;
4538
			break;
4539
			default:
4540
				if (substr($ifname['if'], 0, 4) ==  "ovpn" ||
4541
				    !empty($ifname['gateway']))
4542
					$ints[$ifdescr] = $ifdescr;
4543
			break;
4544
		}
4545
	}
4546
	return $ints;
4547
}
4548

    
4549
/* return true if interface has a gateway */
4550
function interface_has_gateway($friendly) {
4551
	global $config;
4552

    
4553
	if (!empty($config['interfaces'][$friendly])) {
4554
		$ifname = &$config['interfaces'][$friendly];
4555
		switch ($ifname['ipaddr']) {
4556
			case "dhcp":
4557
			case "pppoe":
4558
			case "pptp":
4559
			case "l2tp":
4560
			case "ppp";
4561
				return true;
4562
			break;
4563
			default:
4564
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4565
					return true;
4566
				if (!empty($ifname['gateway']))
4567
					return true;
4568
			break;
4569
		}
4570
	}
4571

    
4572
	return false;
4573
}
4574

    
4575
/* return true if interface has a gateway */
4576
function interface_has_gatewayv6($friendly) {
4577
	global $config;
4578

    
4579
	if (!empty($config['interfaces'][$friendly])) {
4580
		$ifname = &$config['interfaces'][$friendly];
4581
		switch ($ifname['ipaddrv6']) {
4582
			case "slaac":
4583
			case "dhcp6":
4584
				return true;
4585
				break;
4586
			case "6to4":
4587
				return true;
4588
				break;
4589
			case "6rd":
4590
				return true;
4591
				break;
4592
			default:
4593
				if (substr($ifname['if'], 0, 4) ==  "ovpn")
4594
					return true;
4595
				if (!empty($ifname['gatewayv6']))
4596
					return true;
4597
				break;
4598
		}
4599
	}
4600

    
4601
	return false;
4602
}
4603

    
4604
/****f* interfaces/is_altq_capable
4605
 * NAME
4606
 *   is_altq_capable - Test if interface is capable of using ALTQ
4607
 * INPUTS
4608
 *   $int            - string containing interface name
4609
 * RESULT
4610
 *   boolean         - true or false
4611
 ******/
4612

    
4613
function is_altq_capable($int) {
4614
	/* Per:
4615
	 * http://www.freebsd.org/cgi/man.cgi?query=altq&manpath=FreeBSD+7.2-current&format=html
4616
	 * Only the following drivers have ALTQ support
4617
	 */
4618
	$capable = array("age", "alc", "ale", "an", "ath", "aue", "awi", "bce",
4619
			"bfe", "bge", "bridge", "cas", "dc", "de", "ed", "em", "ep", "fxp", "gem",
4620
			"hme", "igb", "ipw", "iwi", "jme", "le", "lem", "msk", "mxge", "my", "nfe",
4621
			"npe", "nve", "ral", "re", "rl", "rum", "run", "bwn", "sf", "sis", "sk",
4622
			"ste", "stge", "txp", "udav", "ural", "vge", "vr", "wi", "xl",
4623
			"ndis", "tun", "ovpns", "ovpnc", "vlan", "pppoe", "pptp", "ng",
4624
			"l2tp", "ppp", "vtnet");
4625

    
4626
	$int_family = remove_ifindex($int);
4627

    
4628
	if (in_array($int_family, $capable))
4629
		return true;
4630
	else if (stristr($int, "l2tp")) /* VLANs are name $parent_$vlan now */
4631
		return true;
4632
	else if (stristr($int, "vlan")) /* VLANs are name $parent_$vlan now */
4633
		return true;
4634
	else if (stristr($int, "_wlan")) /* WLANs are name $parent_$wlan now */
4635
		return true;
4636
	else
4637
		return false;
4638
}
4639

    
4640
/****f* interfaces/is_interface_wireless
4641
 * NAME
4642
 *   is_interface_wireless - Returns if an interface is wireless
4643
 * RESULT
4644
 *   $tmp       - Returns if an interface is wireless
4645
 ******/
4646
function is_interface_wireless($interface) {
4647
	global $config, $g;
4648

    
4649
	$friendly = convert_real_interface_to_friendly_interface_name($interface);
4650
	if(!isset($config['interfaces'][$friendly]['wireless'])) {
4651
		if (preg_match($g['wireless_regex'], $interface)) {
4652
			if (isset($config['interfaces'][$friendly]))
4653
				$config['interfaces'][$friendly]['wireless'] = array();
4654
			return true;
4655
		}
4656
		return false;
4657
	} else
4658
		return true;
4659
}
4660

    
4661
function get_wireless_modes($interface) {
4662
	/* return wireless modes and channels */
4663
	$wireless_modes = array();
4664

    
4665
	$cloned_interface = get_real_interface($interface);
4666

    
4667
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4668
		$chan_list = "/sbin/ifconfig {$cloned_interface} list chan";
4669
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4670
		$format_list = "/usr/bin/awk '{print \$5 \" \" \$6 \",\" \$1}'";
4671

    
4672
		$interface_channels = "";
4673
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4674
		$interface_channel_count = count($interface_channels);
4675

    
4676
		$c = 0;
4677
		while ($c < $interface_channel_count)
4678
		{
4679
			$channel_line = explode(",", $interface_channels["$c"]);
4680
			$wireless_mode = trim($channel_line[0]);
4681
			$wireless_channel = trim($channel_line[1]);
4682
			if(trim($wireless_mode) != "") {
4683
				/* if we only have 11g also set 11b channels */
4684
				if($wireless_mode == "11g") {
4685
					if(!isset($wireless_modes["11b"]))
4686
						$wireless_modes["11b"] = array();
4687
				} else if($wireless_mode == "11g ht") {
4688
					if(!isset($wireless_modes["11b"]))
4689
						$wireless_modes["11b"] = array();
4690
					if(!isset($wireless_modes["11g"]))
4691
						$wireless_modes["11g"] = array();
4692
					$wireless_mode = "11ng";
4693
				} else if($wireless_mode == "11a ht") {
4694
					if(!isset($wireless_modes["11a"]))
4695
						$wireless_modes["11a"] = array();
4696
					$wireless_mode = "11na";
4697
				}
4698
				$wireless_modes["$wireless_mode"]["$c"] = $wireless_channel;
4699
			}
4700
			$c++;
4701
		}
4702
	}
4703
	return($wireless_modes);
4704
}
4705

    
4706
/* return channel numbers, frequency, max txpower, and max regulation txpower */
4707
function get_wireless_channel_info($interface) {
4708
	$wireless_channels = array();
4709

    
4710
	$cloned_interface = get_real_interface($interface);
4711

    
4712
	if($cloned_interface && is_interface_wireless($cloned_interface)) {
4713
		$chan_list = "/sbin/ifconfig {$cloned_interface} list txpower";
4714
		$stack_list = "/usr/bin/awk -F\"Channel \" '{ gsub(/\\*/, \" \"); print \$2 \"\\\n\" \$3 }'";
4715
		$format_list = "/usr/bin/awk '{print \$1 \",\" \$3 \" \" \$4 \",\" \$5 \",\" \$7}'";
4716

    
4717
		$interface_channels = "";
4718
		exec("$chan_list | $stack_list | sort -u | $format_list 2>&1", $interface_channels);
4719

    
4720
		foreach ($interface_channels as $channel_line) {
4721
			$channel_line = explode(",", $channel_line);
4722
			if(!isset($wireless_channels[$channel_line[0]]))
4723
				$wireless_channels[$channel_line[0]] = $channel_line;
4724
		}
4725
	}
4726
	return($wireless_channels);
4727
}
4728

    
4729
/****f* interfaces/get_interface_mtu
4730
 * NAME
4731
 *   get_interface_mtu - Return the mtu of an interface
4732
 * RESULT
4733
 *   $tmp       - Returns the mtu of an interface
4734
 ******/
4735
function get_interface_mtu($interface) {
4736
	$mtu = pfSense_get_interface_addresses($interface);
4737
	return $mtu['mtu'];
4738
}
4739

    
4740
function get_interface_mac($interface) {
4741

    
4742
	$macinfo = pfSense_get_interface_addresses($interface);
4743
	return $macinfo["macaddr"];
4744
}
4745

    
4746
/****f* pfsense-utils/generate_random_mac_address
4747
 * NAME
4748
 *   generate_random_mac - generates a random mac address
4749
 * INPUTS
4750
 *   none
4751
 * RESULT
4752
 *   $mac - a random mac address
4753
 ******/
4754
function generate_random_mac_address() {
4755
	$mac = "02";
4756
	for($x=0; $x<5; $x++)
4757
		$mac .= ":" . dechex(rand(16, 255));
4758
	return $mac;
4759
}
4760

    
4761
/****f* interfaces/is_jumbo_capable
4762
 * NAME
4763
 *   is_jumbo_capable - Test if interface is jumbo frame capable.  Useful for determining VLAN capability.
4764
 * INPUTS
4765
 *   $int             - string containing interface name
4766
 * RESULT
4767
 *   boolean          - true or false
4768
 ******/
4769
function is_jumbo_capable($iface) {
4770
	$iface = trim($iface);
4771
	$capable = pfSense_get_interface_addresses($iface);
4772

    
4773
	if (isset($capable['caps']['vlanmtu']))
4774
		return true;
4775

    
4776
	return false;
4777
}
4778

    
4779
function interface_setup_pppoe_reset_file($pppif, $iface="") {
4780
	global $g;
4781

    
4782
	$cron_file = "{$g['varetc_path']}/pppoe_restart_{$pppif}";
4783

    
4784
	if(!empty($iface) && !empty($pppif)){
4785
		$cron_cmd = <<<EOD
4786
#!/bin/sh
4787
/usr/local/sbin/pfSctl -c 'interface reload {$iface}'
4788
/usr/bin/logger -t {$pppif} "PPPoE periodic reset executed on {$iface}"
4789

    
4790
EOD;
4791

    
4792
		@file_put_contents($cron_file, $cron_cmd);
4793
		chmod($cron_file, 0755);
4794
		sigkillbypid("{$g['varrun_path']}/cron.pid", "HUP");
4795
	} else
4796
		unlink_if_exists($cron_file);
4797
}
4798

    
4799
function get_interface_default_mtu($type = "ethernet") {
4800
	switch ($type) {
4801
	case "gre":
4802
		return 1476;
4803
		break;
4804
	case "gif":
4805
		return 1280;
4806
		break;
4807
	case "tun":
4808
	case "vlan":
4809
	case "tap":
4810
	case "ethernet":
4811
	default:
4812
		return 1500;
4813
		break;
4814
	}
4815

    
4816
	/* Never reached */
4817
	return 1500;
4818
}
4819

    
4820
function get_vip_descr($ipaddress) {
4821
	global $config;
4822

    
4823
	foreach ($config['virtualip']['vip'] as $vip) {
4824
		if ($vip['subnet'] == $ipaddress) {
4825
			return ($vip['descr']);
4826
		}
4827
	}
4828
	return "";
4829
}
4830

    
4831
function interfaces_staticarp_configure($if) {
4832
	global $config, $g;
4833
	if(isset($config['system']['developerspew'])) {
4834
		$mt = microtime();
4835
		echo "interfaces_staticarp_configure($if) being called $mt\n";
4836
	}
4837

    
4838
	$ifcfg = $config['interfaces'][$if];
4839

    
4840
	if (empty($if) || empty($ifcfg['if']) || !isset($ifcfg['enable']))
4841
		return 0;
4842

    
4843
	/* Enable staticarp, if enabled */
4844
	if(isset($config['dhcpd'][$if]['staticarp'])) {
4845
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " staticarp " );
4846
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4847
		if (is_array($config['dhcpd'][$if]['staticmap'])) {
4848

    
4849
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4850
				mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4851

    
4852
			}
4853

    
4854
		}
4855
	} else {
4856
		mwexec("/sbin/ifconfig " . escapeshellarg($ifcfg['if']) . " -staticarp " );
4857
		mwexec("/usr/sbin/arp -d -i " . escapeshellarg($ifcfg['if']) . " -a > /dev/null 2>&1 ");
4858
		if (is_array($config['dhcpd'][$if]['staticmap'])) {
4859
			foreach ($config['dhcpd'][$if]['staticmap'] as $arpent) {
4860
				if (isset($arpent['arp_table_static_entry'])) {
4861
					mwexec("/usr/sbin/arp -s " . escapeshellarg($arpent['ipaddr']) . " " . escapeshellarg($arpent['mac']));
4862
				}
4863
			}
4864
		}
4865
	}
4866

    
4867
	return 0;
4868
}
4869

    
4870
function get_failover_interface($interface) {
4871
	global $config;
4872
	/* shortcut to get_real_interface if we find it in the config */
4873
	if(is_array($config['interfaces'][$interface])) {
4874
		$wanif = get_real_interface($interface);
4875
		return $wanif;
4876
	}
4877

    
4878
	/* compare against gateway groups */
4879
	$a_groups = return_gateway_groups_array();
4880
	if(is_array($a_groups[$interface])) {
4881
		/* we found a gateway group, fetch the interface or vip */
4882
		if($a_groups[$interface][0]['vip'] <> "")
4883
			$wanif = $a_groups[$interface][0]['vip'];
4884
		else
4885
			$wanif = $a_groups[$interface][0]['int'];
4886

    
4887
		return $wanif;
4888
	}
4889
	/* fall through to get_real_interface */
4890
	$wanif = get_real_interface($interface);
4891
	return $wanif;
4892
}
4893

    
4894
function remove_ifindex($ifname) {
4895
	return preg_replace("/[0-9]+$/", "", $ifname);
4896
}
4897

    
4898
?>
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