forked from rbicelli/pfsense-zabbix-template
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathpfsense_zbx.php
1300 lines (1092 loc) · 36.7 KB
/
pfsense_zbx.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
<?php
/***
pfsense_zbx.php - pfSense Zabbix Interface
Version 1.1.1 - 2021-10-24
Written by Riccardo Bicelli <[email protected]>
This program is licensed under Apache 2.0 License
*/
//Some Useful defines
define('SPEEDTEST_INTERVAL', 8); //Speedtest Interval (in hours)
require_once('globals.inc');
require_once('functions.inc');
require_once('config.inc');
require_once('util.inc');
//For Interfaces Discovery
require_once('interfaces.inc');
//For OpenVPN Discovery
require_once('openvpn.inc');
//For Service Discovery
require_once("service-utils.inc");
//For System
require_once('pkg-utils.inc');
//For DHCP
//Testing function, for template creating purpose
function pfz_test(){
$line = "-------------------\n";
$ovpn_servers = pfz_openvpn_get_all_servers();
echo "OPENVPN Servers:\n";
print_r($ovpn_servers);
echo $line;
$ovpn_clients = openvpn_get_active_clients();
echo "OPENVPN Clients:\n";
print_r($ovpn_clients);
echo $line;
$ifdescrs = get_configured_interface_with_descr(true);
$ifaces=array();
foreach ($ifdescrs as $ifdescr => $ifname){
$ifinfo = get_interface_info($ifdescr);
$ifaces[$ifname] = $ifinfo;
}
echo "Network Interfaces:\n";
print_r($ifaces);
print_r(get_interface_arr());
print_r(get_configured_interface_list());
echo $line;
$services = get_services();
echo "Services: \n";
print_r($services);
echo $line;
echo "IPsec: \n";
require_once("ipsec.inc");
global $config;
init_config_arr(array('ipsec', 'phase1'));
init_config_arr(array('ipsec', 'phase2'));
$a_phase2 = &$config['ipsec']['phase2'];
$status = ipsec_list_sa();
echo "IPsec Status: \n";
print_r($status);
$a_phase1 = &$config['ipsec']['phase1'];
$a_phase2 = &$config['ipsec']['phase2'];
echo "IPsec Config Phase 1: \n";
print_r($a_phase1);
echo "IPsec Config Phase 2: \n";
print_r($a_phase2);
echo $line;
//Packages
echo "Packages: \n";
require_once("pkg-utils.inc");
$installed_packages = get_pkg_info('all', false, true);
print_r($installed_packages);
}
// Interface Discovery
// Improved performance
function pfz_interface_discovery($is_wan=false,$is_cron=false) {
$ifdescrs = get_configured_interface_with_descr(true);
$ifaces = get_interface_arr();
$ifcs=array();
$if_ret=array();
$json_string = '{"data":[';
foreach ($ifdescrs as $ifname => $ifdescr){
$ifinfo = get_interface_info($ifname);
$ifinfo["description"] = $ifdescr;
$ifcs[$ifname] = $ifinfo;
}
foreach ($ifaces as $hwif) {
$ifdescr = $hwif;
$has_gw = false;
$is_vpn = false;
$has_public_ip = false;
foreach($ifcs as $ifc=>$ifinfo){
if ($ifinfo["hwif"] == $hwif){
$ifdescr = $ifinfo["description"];
if (array_key_exists("gateway",$ifinfo)) $has_gw=true;
// Issue #81 - https://stackoverflow.com/a/13818647/15093007
if (filter_var($ifinfo["ipaddr"], FILTER_VALIDATE_IP, FILTER_FLAG_IPV4 | FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE)) $has_public_ip=true;
if (strpos($ifinfo["if"],"ovpn")!==false) $is_vpn=true;
break;
}
}
if ( ($is_wan==false) || (($is_wan==true) && (($has_gw==true) || ($has_public_ip==true)) && ($is_vpn==false)) ) {
$if_ret[]=$hwif;
$json_string .= '{"{#IFNAME}":"' . $hwif . '"';
$json_string .= ',"{#IFDESCR}":"' . $ifdescr . '"';
$json_string .= '},';
}
}
$json_string = rtrim($json_string,",");
$json_string .= "]}";
if ($is_cron) return $if_ret;
echo $json_string;
}
//Interface Speedtest
function pfz_interface_speedtest_value($ifname, $value){
$tvalue = explode(".", $value);
if (count($tvalue)>1) {
$value = $tvalue[0];
$subvalue = $tvalue[1];
}
//If the interface has a gateway is considered WAN, so let's do the speedtest
$filename = "/tmp/speedtest-$ifname";
if (file_exists($filename)) {
$speedtest_data = json_decode(file_get_contents($filename), true);
if (array_key_exists($value, $speedtest_data)) {
if ($subvalue == false)
echo $speedtest_data[$value];
else
echo $speedtest_data[$value][$subvalue];
}
}
}
// This is supposed to run via cron job
function pfz_speedtest_cron(){
require_once("services.inc");
$ifdescrs = get_configured_interface_with_descr(true);
$ifaces = get_interface_arr();
$pf_interface_name='';
$subvalue=false;
$ifcs = pfz_interface_discovery(true, true);
foreach ($ifcs as $ifname) {
foreach ($ifdescrs as $ifn => $ifd){
$ifinfo = get_interface_info($ifn);
if($ifinfo['hwif']==$ifname) {
$pf_interface_name = $ifn;
break;
}
}
pfz_speedtest_exec($ifname, $ifinfo['ipaddr']);
}
}
//installs a cron job for speedtests
function pfz_speedtest_cron_install($enable=true){
//Install Cron Job
$command = "/usr/local/bin/php " . __FILE__ . " speedtest_cron";
install_cron_job($command, $enable, $minute = "*/15", "*", "*", "*", "*", "root", true);
}
function pfz_speedtest_exec ($ifname, $ipaddr){
$filename = "/tmp/speedtest-$ifname";
$filetemp = "$filename.tmp";
$filerun = "/tmp/speedtest-run";
// Issue #82
// Sleep random delay in order to avoid problem when 2 pfSense on the same Internet line
sleep (rand ( 1, 90));
if ( (time()-filemtime($filename) > SPEEDTEST_INTERVAL * 3600) || (file_exists($filename)==false) ) {
// file is older than SPEEDTEST_INTERVAL
if ( (time()-filemtime($filerun) > 180 ) ) @unlink($filerun);
if (file_exists($filerun)==false) {
touch($filerun);
$st_command = "/usr/local/bin/speedtest --source $ipaddr --json > $filetemp";
exec ($st_command);
rename($filetemp,$filename);
@unlink($filerun);
}
}
return true;
}
// OpenVPN Server Discovery
function pfz_openvpn_get_all_servers(){
$servers = openvpn_get_active_servers();
$sk_servers = openvpn_get_active_servers("p2p");
$servers = array_merge($servers,$sk_servers);
return ($servers);
}
function pfz_openvpn_serverdiscovery() {
$servers = pfz_openvpn_get_all_servers();
$json_string = '{"data":[';
foreach ($servers as $server){
$name = trim(preg_replace('/\w{3}(\d)?\:\d{4,5}/i', '', $server['name']));
$json_string .= '{"{#SERVER}":"' . $server['vpnid'] . '"';
$json_string .= ',"{#NAME}":"' . $name . '"';
$json_string .= '},';
}
$json_string = rtrim($json_string,",");
$json_string .= "]}";
echo $json_string;
}
// Get OpenVPN Server Value
function pfz_openvpn_servervalue($server_id,$valuekey){
$servers = pfz_openvpn_get_all_servers();
foreach($servers as $server) {
if($server['vpnid']==$server_id){
$value = $server[$valuekey];
if ($valuekey=="status") {
if ( ($server['mode']=="server_user") || ($server['mode']=="server_tls_user") || ($server['mode']=="server_tls") ){
if ($value=="") $value="server_user_listening";
} else if ($server['mode']=="p2p_tls"){
// For p2p_tls, ensure we have one client, and return up if it's the case
if ($value=="")
$value=(is_array($server["conns"]) && count($server["conns"]) > 0) ? "up" : "down";
}
}
}
}
switch ($valuekey){
case "conns":
//Client Connections: is an array so it is sufficient to count elements
if (is_array($value))
$value = count($value);
else
$value = "0";
break;
case "status":
$value = pfz_valuemap("openvpn.server.status", $value);
break;
case "mode":
$value = pfz_valuemap("openvpn.server.mode", $value);
break;
}
//if ($value=="") $value="none";
echo $value;
}
//OpenVPN Server/User-Auth Discovery
function pfz_openvpn_server_userdiscovery(){
$servers = pfz_openvpn_get_all_servers();
$json_string = '{"data":[';
foreach ($servers as $server){
if ( ($server['mode']=='server_user') || ($server['mode']=='server_tls_user') || ($server['mode']=='server_tls') ) {
if (is_array($server['conns'])) {
$name = trim(preg_replace('/\w{3}(\d)?\:\d{4,5}/i', '', $server['name']));
foreach($server['conns'] as $conn) {
$common_name = pfz_replacespecialchars($conn['common_name']);
$json_string .= '{"{#SERVERID}":"' . $server['vpnid'] . '"';
$json_string .= ',"{#SERVERNAME}":"' . $name . '"';
$json_string .= ',"{#UNIQUEID}":"' . $server['vpnid'] . '+' . $common_name . '"';
$json_string .= ',"{#USERID}":"' . $conn['common_name'] . '"';
$json_string .= '},';
}
}
}
}
$json_string = rtrim($json_string,",");
$json_string .= "]}";
echo $json_string;
}
// Get OpenVPN User Connected Value
function pfz_openvpn_server_uservalue($unique_id, $valuekey, $default=""){
$unique_id = pfz_replacespecialchars($unique_id,true);
$atpos=strpos($unique_id,'+');
$server_id = substr($unique_id,0,$atpos);
$user_id = substr($unique_id,$atpos+1);
$servers = pfz_openvpn_get_all_servers();
foreach($servers as $server) {
if($server['vpnid']==$server_id) {
foreach($server['conns'] as $conn) {
if ($conn['common_name']==$user_id){
$value = $conn[$valuekey];
}
}
}
}
if ($value=="") $value = $default;
echo $value;
}
// OpenVPN Client Discovery
function pfz_openvpn_clientdiscovery() {
$clients = openvpn_get_active_clients();
$json_string = '{"data":[';
foreach ($clients as $client){
$name = trim(preg_replace('/\w{3}(\d)?\:\d{4,5}/i', '', $client['name']));
$json_string .= '{"{#CLIENT}":"' . $client['vpnid'] . '"';
$json_string .= ',"{#NAME}":"' . $name . '"';
$json_string .= '},';
}
$json_string = rtrim($json_string,",");
$json_string .= "]}";
echo $json_string;
}
function pfz_replacespecialchars($inputstr,$reverse=false){
$specialchars = ",',\",`,*,?,[,],{,},~,$,!,&,;,(,),<,>,|,#,@,0x0a";
$specialchars = explode(",",$specialchars);
$resultstr = $inputstr;
for ($n=0;$n<count($specialchars);$n++){
if ($reverse==false)
$resultstr = str_replace($specialchars[$n],'%%' . $n . '%',$resultstr);
else
$resultstr = str_replace('%%' . $n . '%',$specialchars[$n],$resultstr);
}
return ($resultstr);
}
function pfz_openvpn_clientvalue($client_id, $valuekey, $default="none"){
$clients = openvpn_get_active_clients();
foreach($clients as $client) {
if($client['vpnid']==$client_id)
$value = $client[$valuekey];
}
switch ($valuekey){
case "status":
$value = pfz_valuemap("openvpn.client.status", $value);
break;
}
if ($value=="") $value=$default;
echo $value;
}
// Services Discovery
// 2020-03-27: Added space replace with __ for issue #12
function pfz_services_discovery(){
$services = get_services();
$json_string = '{"data":[';
foreach ($services as $service){
if (!empty($service['name'])) {
$status = get_service_status($service);
if ($status="") $status = 0;
$id="";
//id for OpenVPN
if (!empty($service['id'])) $id = "." . $service["id"];
//zone for Captive Portal
if (!empty($service['zone'])) $id = "." . $service["zone"];
$json_string .= '{"{#SERVICE}":"' . str_replace(" ", "__", $service['name']) . $id . '"';
$json_string .= ',"{#DESCRIPTION}":"' . $service['description'] . '"';
$json_string .= '},';
}
}
$json_string = rtrim($json_string,",");
$json_string .= "]}";
echo $json_string;
}
// Get service value
// 2020-03-27: Added space replace in service name for issue #12
// 2020-09-28: Corrected Space Replace
function pfz_service_value($name,$value){
$services = get_services();
$name = str_replace("__"," ",$name);
//List of service which are stopped on CARP Slave.
//For now this is the best way i found for filtering out the triggers
//Waiting for a way in Zabbix to use Global Regexp in triggers with items discovery
$stopped_on_carp_slave = array("haproxy","radvd","openvpn.","openvpn","avahi");
foreach ($services as $service){
$namecfr = $service["name"];
$carpcfr = $service["name"];
//OpenVPN
if (!empty($service['id'])) {
$namecfr = $service['name'] . "." . $service["id"];
$carpcfr = $service['name'] . ".";
}
//Captive Portal
if (!empty($service['zone'])) {
$namecfr = $service['name'] . "." . $service["zone"];
$carpcfr = $service['name'] . ".";
}
if ($namecfr == $name){
switch ($value) {
case "status":
$status = get_service_status($service);
if ($status=="") $status = 0;
echo $status;
break;
case "name":
echo $namecfr;
break;
case "enabled":
if (is_service_enabled($service['name']))
echo 1;
else
echo 0;
break;
case "run_on_carp_slave":
if (in_array($carpcfr,$stopped_on_carp_slave))
echo 0;
else
echo 1;
break;
default:
echo $service[$value];
break;
}
}
}
}
//Gateway Discovery
function pfz_gw_rawstatus() {
// Return a Raw Gateway Status, useful for action Scripts (e.g. Update Cloudflare DNS config)
$gws = return_gateways_status(true);
$gw_string="";
foreach ($gws as $gw){
$gw_string .= ($gw['name'] . '.' . $gw['status'] .",");
}
echo rtrim($gw_string,",");
}
function pfz_gw_discovery() {
$gws = return_gateways_status(true);
$json_string = '{"data":[';
foreach ($gws as $gw){
$json_string .= '{"{#GATEWAY}":"' . $gw['name'] . '"';
$json_string .= '},';
}
$json_string = rtrim($json_string,",");
$json_string .= "]}";
echo $json_string;
}
function pfz_gw_value($gw, $valuekey) {
$gws = return_gateways_status(true);
if(array_key_exists($gw,$gws)) {
$value = $gws[$gw][$valuekey];
if ($valuekey=="status") {
//Issue #70: Gateway Forced Down
if ($gws[$gw]["substatus"]<>"none")
$value = $gws[$gw]["substatus"];
$value = pfz_valuemap("gateway.status", $value);
}
echo $value;
}
}
// IPSEC Discovery
function pfz_ipsec_discovery_ph1(){
require_once("ipsec.inc");
global $config;
init_config_arr(array('ipsec', 'phase1'));
$a_phase1 = &$config['ipsec']['phase1'];
$json_string = '{"data":[';
foreach ($a_phase1 as $data) {
$json_string .= '{"{#IKEID}":"' . $data['ikeid'] . '"';
$json_string .= ',"{#NAME}":"' . $data['descr'] . '"';
$json_string .= '},';
}
$json_string = rtrim($json_string,",");
$json_string .= "]}";
echo $json_string;
}
function pfz_ipsec_ph1($ikeid,$valuekey){
// Get Value from IPsec Phase 1 Configuration
// If Getting "disabled" value only check item presence in config array
require_once("ipsec.inc");
global $config;
init_config_arr(array('ipsec', 'phase1'));
$a_phase1 = &$config['ipsec']['phase1'];
$value = "";
switch ($valuekey) {
case 'status':
$value = pfz_ipsec_status($ikeid);
break;
case 'disabled':
$value = "0";
default:
foreach ($a_phase1 as $data) {
if ($data['ikeid'] == $ikeid) {
if(array_key_exists($valuekey,$data)) {
if ($valuekey=='disabled')
$value = "1";
else
$value = pfz_valuemap("ipsec." . $valuekey, $data[$valuekey], $data[$valuekey]);
break;
}
}
}
}
echo $value;
}
function pfz_ipsec_discovery_ph2(){
require_once("ipsec.inc");
global $config;
init_config_arr(array('ipsec', 'phase2'));
$a_phase2 = &$config['ipsec']['phase2'];
$json_string = '{"data":[';
foreach ($a_phase2 as $data) {
$json_string .= '{"{#IKEID}":"' . $data['ikeid'] . '"';
$json_string .= ',"{#NAME}":"' . $data['descr'] . '"';
$json_string .= ',"{#UNIQID}":"' . $data['uniqid'] . '"';
$json_string .= ',"{#REQID}":"' . $data['reqid'] . '"';
$json_string .= ',"{#EXTID}":"' . $data['ikeid'] . '.' . $data['reqid'] . '"';
$json_string .= '},';
}
$json_string = rtrim($json_string,",");
$json_string .= "]}";
echo $json_string;
}
function pfz_ipsec_ph2($uniqid, $valuekey){
require_once("ipsec.inc");
global $config;
init_config_arr(array('ipsec', 'phase2'));
$a_phase2 = &$config['ipsec']['phase2'];
$valuecfr = explode(".",$valuekey);
switch ($valuecfr[0]) {
case 'status':
$idarr = explode(".", $uniqid);
$statuskey = "state";
if (isset($valuecfr[1])) $statuskey = $valuecfr[1];
$value = pfz_ipsec_status($idarr[0],$idarr[1],$statuskey);
break;
case 'disabled':
$value = "0";
}
foreach ($a_phase2 as $data) {
if ($data['uniqid'] == $uniqid) {
if(array_key_exists($valuekey,$data)) {
if ($valuekey=='disabled')
$value = "1";
else
$value = pfz_valuemap("ipsec_ph2." . $valuekey, $data[$valuekey], $data[$valuekey]);
break;
}
}
}
echo $value;
}
function pfz_ipsec_status($ikeid,$reqid=-1,$valuekey='state'){
require_once("ipsec.inc");
global $config;
init_config_arr(array('ipsec', 'phase1'));
$a_phase1 = &$config['ipsec']['phase1'];
$conmap = array();
foreach ($a_phase1 as $ph1ent) {
if (get_ipsecifnum($ph1ent['ikeid'], 0)) {
$cname = "con" . get_ipsecifnum($ph1ent['ikeid'], 0);
} else {
$cname = "con{$ph1ent['ikeid']}00000";
}
$conmap[$cname] = $ph1ent['ikeid'];
}
$status = ipsec_list_sa();
$ipsecconnected = array();
$carp_status = pfz_carp_status(false);
//Phase-Status match borrowed from status_ipsec.php
if (is_array($status)) {
foreach ($status as $l_ikeid=>$ikesa) {
if (isset($ikesa['con-id'])) {
$con_id = substr($ikesa['con-id'], 3);
} else {
$con_id = filter_var($ikeid, FILTER_SANITIZE_NUMBER_INT);
}
$con_name = "con" . $con_id;
if ($ikesa['version'] == 1) {
$ph1idx = $conmap[$con_name];
$ipsecconnected[$ph1idx] = $ph1idx;
} else {
if (!ipsec_ikeid_used($con_id)) {
// probably a v2 with split connection then
$ph1idx = $conmap[$con_name];
$ipsecconnected[$ph1idx] = $ph1idx;
} else {
$ipsecconnected[$con_id] = $ph1idx = $con_id;
}
}
if ($ph1idx == $ikeid){
if ($reqid!=-1) {
// Asking for Phase2 Status Value
foreach ($ikesa['child-sas'] as $childsas) {
if ($childsas['reqid']==$reqid) {
if (strtolower($childsas['state']) == 'rekeyed') {
//if state is rekeyed go on
$tmp_value = $childsas[$valuekey];
} else {
$tmp_value = $childsas[$valuekey];
break;
}
}
}
} else {
$tmp_value = $ikesa[$valuekey];
}
break;
}
}
}
switch($valuekey) {
case 'state':
$value = pfz_valuemap('ipsec.state', strtolower($tmp_value));
if ($carp_status!=0) $value = $value + (10 * ($carp_status-1));
break;
default:
$value = $tmp_value;
break;
}
return $value;
}
function pfz_carp_status($echo = true){
//Detect CARP Status
global $config;
$status_return = 0;
$status = get_carp_status();
$carp_detected_problems = get_single_sysctl("net.inet.carp.demotion");
//CARP is disabled
$ret = 0;
if ($status != 0) { //CARP is enabled
if ($carp_detected_problems != 0) {
//There's some Major Problems with CARP
$ret = 4;
if ($echo == true) echo $ret;
return $ret;
}
$status_changed = false;
$prev_status = "";
foreach ($config['virtualip']['vip'] as $carp) {
if ($carp['mode'] != "carp") {
continue;
}
$if_status = get_carp_interface_status("_vip{$carp['uniqid']}");
if ( ($prev_status != $if_status) && (empty($if_status)==false) ) { //Some glitches with GUI
if ($prev_status!="") $status_changed = true;
$prev_status = $if_status;
}
}
if ($status_changed) {
//CARP Status is inconsistent across interfaces
$ret=3;
echo 3;
} else {
if ($prev_status=="MASTER")
$ret = 1;
else
$ret = 2;
}
}
if ($echo == true) echo $ret;
return $ret;
}
// DHCP Checks (copy of status_dhcp_leases.php, waiting for pfsense 2.5)
function pfz_remove_duplicate($array, $field) {
foreach ($array as $sub) {
$cmp[] = $sub[$field];
}
$unique = array_unique(array_reverse($cmp, true));
foreach ($unique as $k => $rien) {
$new[] = $array[$k];
}
return $new;
}
// Get DHCP Arrays (copied from status_dhcp_leases.php, waiting for pfsense 2.5, in order to use system_get_dhcpleases();)
function pfz_dhcp_get($valuekey) {
require_once("config.inc");
$leasesfile = "{$g['dhcpd_chroot_path']}/var/db/dhcpd.leases";
$awk = "/usr/bin/awk";
/* this pattern sticks comments into a single array item */
$cleanpattern = "'{ gsub(\"#.*\", \"\");} { gsub(\";\", \"\"); print;}'";
/* We then split the leases file by } */
$splitpattern = "'BEGIN { RS=\"}\";} {for (i=1; i<=NF; i++) printf \"%s \", \$i; printf \"}\\n\";}'";
/* stuff the leases file in a proper format into a array by line */
@exec("/bin/cat {$leasesfile} 2>/dev/null| {$awk} {$cleanpattern} | {$awk} {$splitpattern}", $leases_content);
$leases_count = count($leases_content);
@exec("/usr/sbin/arp -an", $rawdata);
foreach ($leases_content as $lease) {
/* split the line by space */
$data = explode(" ", $lease);
/* walk the fields */
$f = 0;
$fcount = count($data);
/* with less than 20 fields there is nothing useful */
if ($fcount < 20) {
$i++;
continue;
}
while ($f < $fcount) {
switch ($data[$f]) {
case "failover":
$pools[$p]['name'] = trim($data[$f+2], '"');
$pools[$p]['name'] = "{$pools[$p]['name']} (" . convert_friendly_interface_to_friendly_descr(substr($pools[$p]['name'], 5)) . ")";
$pools[$p]['mystate'] = $data[$f+7];
$pools[$p]['peerstate'] = $data[$f+14];
$pools[$p]['mydate'] = $data[$f+10];
$pools[$p]['mydate'] .= " " . $data[$f+11];
$pools[$p]['peerdate'] = $data[$f+17];
$pools[$p]['peerdate'] .= " " . $data[$f+18];
$p++;
$i++;
continue 3;
case "lease":
$leases[$l]['ip'] = $data[$f+1];
$leases[$l]['type'] = $dynamic_string;
$f = $f+2;
break;
case "starts":
$leases[$l]['start'] = $data[$f+2];
$leases[$l]['start'] .= " " . $data[$f+3];
$f = $f+3;
break;
case "ends":
if ($data[$f+1] == "never") {
// Quote from dhcpd.leases(5) man page:
// If a lease will never expire, date is never instead of an actual date.
$leases[$l]['end'] = gettext("Never");
$f = $f+1;
} else {
$leases[$l]['end'] = $data[$f+2];
$leases[$l]['end'] .= " " . $data[$f+3];
$f = $f+3;
}
break;
case "tstp":
$f = $f+3;
break;
case "tsfp":
$f = $f+3;
break;
case "atsfp":
$f = $f+3;
break;
case "cltt":
$f = $f+3;
break;
case "binding":
switch ($data[$f+2]) {
case "active":
$leases[$l]['act'] = $active_string;
break;
case "free":
$leases[$l]['act'] = $expired_string;
$leases[$l]['online'] = $offline_string;
break;
case "backup":
$leases[$l]['act'] = $reserved_string;
$leases[$l]['online'] = $offline_string;
break;
}
$f = $f+1;
break;
case "next":
/* skip the next binding statement */
$f = $f+3;
break;
case "rewind":
/* skip the rewind binding statement */
$f = $f+3;
break;
case "hardware":
$leases[$l]['mac'] = $data[$f+2];
/* check if it's online and the lease is active */
if (in_array($leases[$l]['ip'], $arpdata_ip)) {
$leases[$l]['online'] = $online_string;
} else {
$leases[$l]['online'] = $offline_string;
}
$f = $f+2;
break;
case "client-hostname":
if ($data[$f+1] <> "") {
$leases[$l]['hostname'] = preg_replace('/"/', '', $data[$f+1]);
} else {
$hostname = gethostbyaddr($leases[$l]['ip']);
if ($hostname <> "") {
$leases[$l]['hostname'] = $hostname;
}
}
$f = $f+1;
break;
case "uid":
$f = $f+1;
break;
}
$f++;
}
$l++;
$i++;
/* slowly chisel away at the source array */
array_shift($leases_content);
}
/* remove duplicate items by mac address */
if (count($leases) > 0) {
$leases = pfz_remove_duplicate($leases, "ip");
}
if (count($pools) > 0) {
$pools = pfz_remove_duplicate($pools, "name");
asort($pools);
}
switch ($valuekey){
case "pools":
return $pools;
break;
case "failover":
return $failover;
break;
case "leases":
default:
return $leases;
}
}
function pfz_dhcpfailover_discovery(){
//System functions regarding DHCP Leases will be available in the upcoming release of pfSense, so let's wait
require_once("system.inc");
$leases = system_get_dhcpleases();
$json_string = '{"data":[';
if (count($leases['failover']) > 0){
foreach ($leases['failover'] as $data){
$json_string .= '{"{#FAILOVER_GROUP}":"' . str_replace(" ", "__", $data['name']) . '"';
}
}
$json_string = rtrim($json_string,",");
$json_string .= "]}";
echo $json_string;
}
function pfz_dhcp_check_failover(){
// Check DHCP Failover Status
// Returns number of failover pools which state is not normal or
// different than peer state
$failover = pfz_dhcp_get("failover");
$ret = 0;
foreach ($failover as $f){
if ( ($f["mystate"]!="normal") || ($f["mystate"]!=$f["peerstate"])) {
$ret++;
}
}
return $ret;
}
function pfz_dhcp($section, $valuekey=""){
switch ($section){
case "failover":
echo pfz_dhcp_check_failover();
break;
default:
}
}