|
1
|
<?php
|
|
2
|
/* $Id$ */
|
|
3
|
/*
|
|
4
|
Copyright (C) 2008 Bill Marquette, Seth Mos
|
|
5
|
All rights reserved.
|
|
6
|
|
|
7
|
Redistribution and use in source and binary forms, with or without
|
|
8
|
modification, are permitted provided that the following conditions are met:
|
|
9
|
|
|
10
|
1. Redistributions of source code must retain the above copyright notice,
|
|
11
|
this list of conditions and the following disclaimer.
|
|
12
|
|
|
13
|
2. Redistributions in binary form must reproduce the above copyright
|
|
14
|
notice, this list of conditions and the following disclaimer in the
|
|
15
|
documentation and/or other materials provided with the distribution.
|
|
16
|
|
|
17
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
18
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
19
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
20
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
21
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
22
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
23
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
24
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
25
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
26
|
POSSIBILITY OF SUCH DAMAGE.
|
|
27
|
|
|
28
|
pfSense_BUILDER_BINARIES: /usr/bin/killall /sbin/route /usr/local/sbin/apinger
|
|
29
|
pfSense_MODULE: routing
|
|
30
|
|
|
31
|
*/
|
|
32
|
|
|
33
|
/* add static routes for monitor IP addresse
|
|
34
|
* creates monitoring configuration file
|
|
35
|
*/
|
|
36
|
function setup_gateways_monitor() {
|
|
37
|
global $config;
|
|
38
|
global $g;
|
|
39
|
$gateways_arr = return_gateways_array();
|
|
40
|
if (!is_array($config['gateways']['gateway_item']))
|
|
41
|
$config['gateways']['gateway_item'] = array();
|
|
42
|
|
|
43
|
$a_gateway_item = &$config['gateways']['gateway_item'];
|
|
44
|
|
|
45
|
if (is_array($config['gateways']['settings'])) {
|
|
46
|
$a_settings = &$config['gateways']['settings'];
|
|
47
|
} else {
|
|
48
|
$a_settings['latencylow'] = "200";
|
|
49
|
$a_settings['latencyhigh'] = "500";
|
|
50
|
$a_settings['losslow'] = "10";
|
|
51
|
$a_settings['losshigh'] = "20";
|
|
52
|
}
|
|
53
|
|
|
54
|
/* kill apinger process */
|
|
55
|
if(is_process_running("apinger"))
|
|
56
|
mwexec("/usr/bin/killall apinger", true);
|
|
57
|
$fd = fopen("{$g['varetc_path']}/apinger.conf", "w");
|
|
58
|
$apingerconfig = <<<EOD
|
|
59
|
|
|
60
|
# pfSense apinger configuration file. Automatically Generated!
|
|
61
|
|
|
62
|
## User and group the pinger should run as
|
|
63
|
user "root"
|
|
64
|
group "wheel"
|
|
65
|
|
|
66
|
## Mailer to use (default: "/usr/lib/sendmail -t")
|
|
67
|
#mailer "/var/qmail/bin/qmail-inject"
|
|
68
|
|
|
69
|
## Location of the pid-file (default: "/var/run/apinger.pid")
|
|
70
|
pid_file "{$g['varrun_path']}/apinger.pid"
|
|
71
|
|
|
72
|
## Format of timestamp (%s macro) (default: "%b %d %H:%M:%S")
|
|
73
|
#timestamp_format "%Y%m%d%H%M%S"
|
|
74
|
|
|
75
|
status {
|
|
76
|
## File where the status information whould be written to
|
|
77
|
file "/tmp/apinger.status"
|
|
78
|
## Interval between file updates
|
|
79
|
## when 0 or not set, file is written only when SIGUSR1 is received
|
|
80
|
interval 10s
|
|
81
|
}
|
|
82
|
|
|
83
|
########################################
|
|
84
|
# RRDTool status gathering configuration
|
|
85
|
# Interval between RRD updates
|
|
86
|
rrd interval 60s;
|
|
87
|
|
|
88
|
## These parameters can be overriden in a specific alarm configuration
|
|
89
|
alarm default {
|
|
90
|
command on "/usr/bin/touch /tmp/filter_dirty"
|
|
91
|
command off "/usr/bin/touch /tmp/filter_dirty"
|
|
92
|
combine 10s
|
|
93
|
}
|
|
94
|
|
|
95
|
## "Down" alarm definition.
|
|
96
|
## This alarm will be fired when target doesn't respond for 30 seconds.
|
|
97
|
alarm down "down" {
|
|
98
|
time 10s
|
|
99
|
}
|
|
100
|
|
|
101
|
## "Delay" alarm definition.
|
|
102
|
## This alarm will be fired when responses are delayed more than 200ms
|
|
103
|
## it will be canceled, when the delay drops below 100ms
|
|
104
|
alarm delay "delay" {
|
|
105
|
delay_low {$a_settings['latencylow']}ms
|
|
106
|
delay_high {$a_settings['latencyhigh']}ms
|
|
107
|
}
|
|
108
|
|
|
109
|
## "Loss" alarm definition.
|
|
110
|
## This alarm will be fired when packet loss goes over 20%
|
|
111
|
## it will be canceled, when the loss drops below 10%
|
|
112
|
alarm loss "loss" {
|
|
113
|
percent_low {$a_settings['losslow']}
|
|
114
|
percent_high {$a_settings['losshigh']}
|
|
115
|
}
|
|
116
|
|
|
117
|
target default {
|
|
118
|
## How often the probe should be sent
|
|
119
|
interval 1s
|
|
120
|
|
|
121
|
## How many replies should be used to compute average delay
|
|
122
|
## for controlling "delay" alarms
|
|
123
|
avg_delay_samples 10
|
|
124
|
|
|
125
|
## How many probes should be used to compute average loss
|
|
126
|
avg_loss_samples 50
|
|
127
|
|
|
128
|
## The delay (in samples) after which loss is computed
|
|
129
|
## without this delays larger than interval would be treated as loss
|
|
130
|
avg_loss_delay_samples 20
|
|
131
|
|
|
132
|
## Names of the alarms that may be generated for the target
|
|
133
|
alarms "down","delay","loss"
|
|
134
|
|
|
135
|
## Location of the RRD
|
|
136
|
#rrd file "{$g['vardb_path']}/rrd/apinger-%t.rrd"
|
|
137
|
}
|
|
138
|
|
|
139
|
## Targets to probe
|
|
140
|
## Each one defined with:
|
|
141
|
## target <address> { <parameter>... }
|
|
142
|
## The parameters are those described above in the "target default" section
|
|
143
|
## plus the "description" parameter.
|
|
144
|
## the <address> should be IPv4 or IPv6 address (not hostname!)
|
|
145
|
|
|
146
|
EOD;
|
|
147
|
|
|
148
|
/* add static routes for each gateway with their monitor IP */
|
|
149
|
if(is_array($gateways_arr)) {
|
|
150
|
$i = 2;
|
|
151
|
foreach($gateways_arr as $name => $gateway) {
|
|
152
|
/* for dynamic gateways without an IP address we subtitute a local one */
|
|
153
|
if((is_numeric($gateway['attribute'])) && is_ipaddr($a_gateway_item[$gateway['attribute']]['monitor'])) {
|
|
154
|
$gateway['monitor'] = $a_gateway_item[$gateway['attribute']]['monitor'];
|
|
155
|
} else {
|
|
156
|
if(($gateway['gateway'] == "dynamic") && ($gateway['monitor'])) {
|
|
157
|
$gateway['monitor'] = "127.0.0.{$i}";
|
|
158
|
$i++;
|
|
159
|
}
|
|
160
|
if(!is_ipaddr($gateway['monitor'])) {
|
|
161
|
$gateway['monitor'] = $gateway['gateway'];
|
|
162
|
}
|
|
163
|
}
|
|
164
|
$apingerconfig .= "target \"{$gateway['monitor']}\" {\n";
|
|
165
|
$apingerconfig .= " description \"{$gateway['name']}\"\n";
|
|
166
|
$apingerconfig .= " rrd file \"{$g['vardb_path']}/rrd/{$gateway['name']}-quality.rrd\"\n";
|
|
167
|
$apingerconfig .= "}\n";
|
|
168
|
$apingerconfig .= "\n";
|
|
169
|
if($gateway['monitor'] == $gateway['gateway']) {
|
|
170
|
/* if the gateway is the same as the monitor we do not add a
|
|
171
|
* route as this will break the routing table */
|
|
172
|
continue;
|
|
173
|
} else {
|
|
174
|
if(($gateway['gateway'] != "dynamic") && (is_ipaddr($gateway['gateway']))) {
|
|
175
|
mwexec("/sbin/route delete -host " . escapeshellarg($gateway['monitor']));
|
|
176
|
mwexec("/sbin/route add -host " . escapeshellarg($gateway['monitor']) .
|
|
177
|
" " . escapeshellarg($gateway['gateway']));
|
|
178
|
log_error("Removing static route for monitor {$gateway['monitor']} and adding a new route through {$gateway['gateway']}");
|
|
179
|
}
|
|
180
|
}
|
|
181
|
}
|
|
182
|
}
|
|
183
|
fwrite($fd, $apingerconfig);
|
|
184
|
fclose($fd);
|
|
185
|
|
|
186
|
if(!is_process_running("apinger")) {
|
|
187
|
if (is_dir("{$g['tmp_path']}"))
|
|
188
|
chmod("{$g['tmp_path']}", 01777);
|
|
189
|
if (is_dir("{$g['vardb_path']}/rrd"))
|
|
190
|
chown("{$g['vardb_path']}/rrd", "nobody");
|
|
191
|
/* start a new apinger process */
|
|
192
|
mwexec_bg("/usr/local/sbin/apinger -c {$g['varetc_path']}/apinger.conf");
|
|
193
|
}
|
|
194
|
return 0;
|
|
195
|
}
|
|
196
|
|
|
197
|
/* return the status of the apinger targets as a array */
|
|
198
|
function return_gateways_status() {
|
|
199
|
global $config;
|
|
200
|
global $g;
|
|
201
|
$gateways_arr = return_gateways_array();
|
|
202
|
|
|
203
|
$apingerstatus = array();
|
|
204
|
if(is_readable("{$g['tmp_path']}/apinger.status")) {
|
|
205
|
$apingerstatus = file("{$g['tmp_path']}/apinger.status");
|
|
206
|
}
|
|
207
|
|
|
208
|
$status = array();
|
|
209
|
$i = 2;
|
|
210
|
/* assign a dummy IP address for dynamic interfaces in case we need it */
|
|
211
|
$monitor = array();
|
|
212
|
foreach($gateways_arr as $name => $gateway) {
|
|
213
|
if($gateway['monitor'] == "dynamic") {
|
|
214
|
$gateway['monitor'] = "127.0.0.{$i}";
|
|
215
|
$i++;
|
|
216
|
}
|
|
217
|
$status[$gateway['monitor']]['monitor'] = $gateway['monitor'];
|
|
218
|
$status[$gateway['monitor']]['interface'] = $gateway['interface'];
|
|
219
|
$status[$gateway['monitor']]['gateway'] = $gateway['gateway'];
|
|
220
|
$status[$gateway['monitor']]['name'] = $gateway['name'];
|
|
221
|
$status[$gateway['monitor']]['status'] = "down";
|
|
222
|
|
|
223
|
}
|
|
224
|
foreach($apingerstatus as $line) {
|
|
225
|
$fields = explode(":", $line);
|
|
226
|
switch($fields[0]) {
|
|
227
|
case "Target":
|
|
228
|
$target = trim($fields[1]);
|
|
229
|
break;
|
|
230
|
case "Description":
|
|
231
|
if($target)
|
|
232
|
$status[$target]['name'] = trim($fields[1]);
|
|
233
|
break;
|
|
234
|
case "Last reply received":
|
|
235
|
if($target)
|
|
236
|
$status[$target]['lastcheck'] = trim($fields[1]) .":". trim($fields[2]) .":". trim($fields[3]);
|
|
237
|
break;
|
|
238
|
case "Average delay":
|
|
239
|
if($target)
|
|
240
|
$status[$target]['delay'] = trim($fields[1]);
|
|
241
|
break;
|
|
242
|
case "Average packet loss":
|
|
243
|
if($target)
|
|
244
|
$status[$target]['loss'] = trim($fields[1]);
|
|
245
|
break;
|
|
246
|
case "Active alarms":
|
|
247
|
if($target)
|
|
248
|
$status[$target]['status'] = trim($fields[1]);
|
|
249
|
break;
|
|
250
|
}
|
|
251
|
}
|
|
252
|
return($status);
|
|
253
|
}
|
|
254
|
|
|
255
|
/* Return all configured gateways on the system */
|
|
256
|
function return_gateways_array($disabled = false) {
|
|
257
|
global $config;
|
|
258
|
|
|
259
|
$gateways_arr = array();
|
|
260
|
|
|
261
|
/* Loop through all interfaces with a gateway and add it to a array */
|
|
262
|
if ($disabled == false) {
|
|
263
|
$iflist = get_configured_interface_with_descr();
|
|
264
|
} else {
|
|
265
|
$iflist = get_configured_interface_with_descr(false, true);
|
|
266
|
}
|
|
267
|
|
|
268
|
$i = 0;
|
|
269
|
/* tack on all the hard defined gateways as well */
|
|
270
|
if(is_array($config['gateways']['gateway_item'])) {
|
|
271
|
foreach($config['gateways']['gateway_item'] as $gateway) {
|
|
272
|
if($gateway['gateway'] == "dynamic") {
|
|
273
|
$gateway['gateway'] = get_interface_gateway($gateway['interface']);
|
|
274
|
/* no IP address found, set to dynamic */
|
|
275
|
if(! is_ipaddr($gateway['gateway'])) {
|
|
276
|
$gateway['gateway'] = "dynamic";
|
|
277
|
}
|
|
278
|
$gateway['dynamic'] = true;
|
|
279
|
}
|
|
280
|
if($gateway['monitor'] == "") {
|
|
281
|
$gateway['monitor'] = $gateway['gateway'];
|
|
282
|
}
|
|
283
|
/* include the gateway index as the attribute */
|
|
284
|
$gateway['friendlyiface'] = $gateway['interface'];
|
|
285
|
$gateway['interface'] = convert_friendly_interface_to_real_interface_name($gateway['interface']);
|
|
286
|
$gateway['attribute'] = "$i";
|
|
287
|
|
|
288
|
$gateways_arr[$gateway['name']] = $gateway;
|
|
289
|
$i++;
|
|
290
|
}
|
|
291
|
}
|
|
292
|
|
|
293
|
foreach($iflist as $ifname => $friendly ) {
|
|
294
|
if(! interface_has_gateway($ifname)) {
|
|
295
|
continue;
|
|
296
|
}
|
|
297
|
$gateway = array();
|
|
298
|
$gateway['dynamic'] = false;
|
|
299
|
$gateway['gateway'] = get_interface_gateway($ifname, $gateway['dynamic']);
|
|
300
|
$gateway['interface'] = get_real_interface($ifname);
|
|
301
|
$gateway['friendlyiface'] = $ifname;
|
|
302
|
$gateway['name'] = "{$friendly}";
|
|
303
|
$gateway['attribute'] = "system";
|
|
304
|
|
|
305
|
/* Loopback dummy for dynamic interfaces without a IP */
|
|
306
|
if(!is_ipaddr(trim($gateway['gateway'])) && $gateway['dynamic'] == true) {
|
|
307
|
$gateway['gateway'] = "dynamic";
|
|
308
|
}
|
|
309
|
|
|
310
|
/* automatically skip known static and dynamic gateways we have a array entry for */
|
|
311
|
foreach($gateways_arr as $gateway_item) {
|
|
312
|
if ($ifname == $gateway_item['friendlyiface'] || $friendly == $gateway_item['name']) {
|
|
313
|
if ($gateway_item['gateway'] == $gateway['gateway'])
|
|
314
|
continue 2;
|
|
315
|
if ($gateway_item['gateway'] == "dynamic")
|
|
316
|
continue 2;
|
|
317
|
}
|
|
318
|
}
|
|
319
|
|
|
320
|
/* retrieve a proper monitor IP? */
|
|
321
|
$interface = $config['interfaces'][$ifname];
|
|
322
|
if(is_ipaddr($interface['monitorip'])) {
|
|
323
|
$gateway['monitor'] = $interface['monitorip'];
|
|
324
|
} else {
|
|
325
|
$gateway['monitor'] = $gateway['gateway'];
|
|
326
|
}
|
|
327
|
$gateway['descr'] = "Interface $ifname Dynamic Gateway";
|
|
328
|
$gateways_arr[$ifname] = $gateway;
|
|
329
|
$i++;
|
|
330
|
}
|
|
331
|
|
|
332
|
return($gateways_arr);
|
|
333
|
}
|
|
334
|
|
|
335
|
|
|
336
|
/* return a array with all gateway groups with name as key
|
|
337
|
* All gateway groups will be processed before returning the array.
|
|
338
|
*/
|
|
339
|
function return_gateway_groups_array() {
|
|
340
|
global $config, $g;
|
|
341
|
|
|
342
|
/* fetch the current gateways status */
|
|
343
|
$gateways_status = return_gateways_status();
|
|
344
|
$gateways_arr = return_gateways_array();
|
|
345
|
$gateway_groups_array = array();
|
|
346
|
|
|
347
|
if (is_array($config['gateways']['gateway_group'])) {
|
|
348
|
foreach($config['gateways']['gateway_group'] as $group) {
|
|
349
|
/* create array with group gateways members seperated by tier */
|
|
350
|
$tiers = array();
|
|
351
|
foreach($group['item'] as $item) {
|
|
352
|
$itemsplit = explode("|", $item);
|
|
353
|
$tier = $itemsplit[1];
|
|
354
|
$gwname = $itemsplit[0];
|
|
355
|
/* check if the gateway is available before adding it to the array */
|
|
356
|
foreach($gateways_status as $status) {
|
|
357
|
if(($status['name'] != $gwname)) {
|
|
358
|
continue;
|
|
359
|
}
|
|
360
|
if (stristr($status['status'], "down")) {
|
|
361
|
$msg = "MONITOR: $gwname has high latency, removing from routing group";
|
|
362
|
log_error($msg);
|
|
363
|
notify_via_growl($msg);
|
|
364
|
} elseif (stristr($status['status'], "loss")) {
|
|
365
|
if (strstr($group['trigger'], "loss")) {
|
|
366
|
/* packet loss */
|
|
367
|
$msg = "MONITOR: $gwname has packet loss, removing from routing group";
|
|
368
|
log_error($msg);
|
|
369
|
notify_via_growl($msg);
|
|
370
|
} else {
|
|
371
|
$tiers[$tier][] = $gwname;
|
|
372
|
}
|
|
373
|
} elseif (stristr($status['status'], $delay)) {
|
|
374
|
if (strstr($group['trigger'] , "latency")) {
|
|
375
|
/* high latency */
|
|
376
|
$msg = "MONITOR: $gwname has high latency, removing from routing group";
|
|
377
|
log_error($msg);
|
|
378
|
notify_via_growl($msg);
|
|
379
|
} else {
|
|
380
|
$tiers[$tier][] = $gwname;
|
|
381
|
}
|
|
382
|
} elseif (stristr($status['status'], "none")) {
|
|
383
|
/* Online add member */
|
|
384
|
$tiers[$tier][] = $gwname;
|
|
385
|
}
|
|
386
|
}
|
|
387
|
}
|
|
388
|
$tiers_count = count($tiers);
|
|
389
|
if($tiers_count == 0) {
|
|
390
|
/* Oh dear, we have no members! Engage Plan B */
|
|
391
|
$msg = "All gateways are unavailable, proceeding with configured XML settings!";
|
|
392
|
log_error($msg);
|
|
393
|
notify_via_growl($msg);
|
|
394
|
foreach($group['item'] as $item) {
|
|
395
|
foreach($group['item'] as $item) {
|
|
396
|
$itemsplit = explode("|", $item);
|
|
397
|
$tier = $itemsplit[1];
|
|
398
|
$gwname = $itemsplit[0];
|
|
399
|
$tiers[$tier][] = $gwname;
|
|
400
|
}
|
|
401
|
}
|
|
402
|
}
|
|
403
|
/* sort the tiers array by the tier key */
|
|
404
|
ksort($tiers);
|
|
405
|
/* we do not really foreach the tiers as we stop after the first tier */
|
|
406
|
foreach($tiers as $tiernr => $tier) {
|
|
407
|
/* process all gateways in this tier */
|
|
408
|
foreach($tier as $tiernr => $member) {
|
|
409
|
/* determine interface gateway */
|
|
410
|
if (isset($gateways_arr[$member])) {
|
|
411
|
$gateway = $gateways_arr[$member];
|
|
412
|
$int = $gateway['interface'];
|
|
413
|
$gatewayip = "";
|
|
414
|
if(is_ipaddr($gateway['gateway']))
|
|
415
|
$gatewayip = $gateway['gateway'];
|
|
416
|
else if ($int <> "")
|
|
417
|
$gatewayip = get_interface_gateway($gateway['friendlyiface']);
|
|
418
|
}
|
|
419
|
if (($int <> "") && is_ipaddr($gatewayip)) {
|
|
420
|
$gateway_groups_array[$group['name']][$tiernr]['int'] = "$int";
|
|
421
|
$gateway_groups_array[$group['name']][$tiernr]['gwip'] = "$gatewayip";
|
|
422
|
$gateway_groups_array[$group['name']][$tiernr]['weight'] = isset($gateway['weight']) ? $gateway['weight'] : 1;
|
|
423
|
}
|
|
424
|
}
|
|
425
|
/* we should have the 1st available tier now, exit stage left */
|
|
426
|
break;
|
|
427
|
}
|
|
428
|
}
|
|
429
|
}
|
|
430
|
return($gateway_groups_array);
|
|
431
|
}
|
|
432
|
|
|
433
|
/* Update DHCP WAN Interface ip address in gateway group item */
|
|
434
|
function dhclient_update_gateway_groups_defaultroute($interface = "wan") {
|
|
435
|
global $config, $g;
|
|
436
|
foreach($config['gateways']['gateway_item'] as & $gw) {
|
|
437
|
if($gw['interface'] == $interface) {
|
|
438
|
$current_gw = get_interface_gateway($interface);
|
|
439
|
if($gw['gateway'] <> $current_gw) {
|
|
440
|
$gw['gateway'] = $current_gw;
|
|
441
|
$changed = true;
|
|
442
|
}
|
|
443
|
}
|
|
444
|
}
|
|
445
|
if($changed && $current_gw)
|
|
446
|
write_config("Updating gateway group gateway for $interface - new gateway is $current_gw");
|
|
447
|
}
|
|
448
|
|
|
449
|
function lookup_gateway_ip_by_name($name) {
|
|
450
|
global $config;
|
|
451
|
if(is_array($config['gateways']['gateway_item'])) {
|
|
452
|
foreach($config['gateways']['gateway_item'] as $gateway) {
|
|
453
|
if($gateway['name'] == $name) {
|
|
454
|
$gatewayip = $gateway['gateway'];
|
|
455
|
//$interfacegw = $gateway['interface'];
|
|
456
|
return($gatewayip);
|
|
457
|
}
|
|
458
|
}
|
|
459
|
} else {
|
|
460
|
return(false);
|
|
461
|
}
|
|
462
|
}
|
|
463
|
|
|
464
|
function lookup_gateway_monitor_ip_by_name($name) {
|
|
465
|
global $config;
|
|
466
|
$gateways_arr = return_gateways_array();
|
|
467
|
|
|
468
|
$i = 2;
|
|
469
|
foreach($gateways_arr as $gateway) {
|
|
470
|
if($gateway['gateway'] == "dynamic") {
|
|
471
|
$gateway['monitor'] = "127.0.0.{$i}";
|
|
472
|
$i++;
|
|
473
|
}
|
|
474
|
if($gateway['name'] == "$name") {
|
|
475
|
$monitorip = $gateway['monitor'];
|
|
476
|
if($monitorip == "")
|
|
477
|
$monitorip = $gateway['gateway'];
|
|
478
|
|
|
479
|
return($monitorip);
|
|
480
|
}
|
|
481
|
}
|
|
482
|
return(false);
|
|
483
|
}
|
|
484
|
|
|
485
|
function lookup_gateway_interface_by_name($name) {
|
|
486
|
global $config;
|
|
487
|
$gateways_arr = return_gateways_array();
|
|
488
|
|
|
489
|
foreach($gateways_arr as $gateway) {
|
|
490
|
if($gateway['name'] == "$name") {
|
|
491
|
$gatewayip = $gateway['gateway'];
|
|
492
|
$interfacegw = $gateway['interface'];
|
|
493
|
return($interfacegw);
|
|
494
|
}
|
|
495
|
}
|
|
496
|
return(false);
|
|
497
|
}
|
|
498
|
|
|
499
|
function get_interface_gateway($interface, &$dynamic = false) {
|
|
500
|
global $config, $g;
|
|
501
|
|
|
502
|
$gw = NULL;
|
|
503
|
|
|
504
|
$gwcfg = $config['interfaces'][$interface];
|
|
505
|
if (is_ipaddr($gwcfg['gateway']))
|
|
506
|
$gw = $gwcfg['gateway'];
|
|
507
|
else if (!empty($gwcfg['gateway']))
|
|
508
|
$gw = lookup_gateway_ip_by_name($gwcfg['gateway']);
|
|
509
|
|
|
510
|
// for dynamic interfaces we handle them through the $interface_router file.
|
|
511
|
if (!is_ipaddr($gw) && !is_ipaddr($gwcfg['ipaddr'])) {
|
|
512
|
$realif = get_real_interface($interface);
|
|
513
|
if (file_exists("{$g['tmp_path']}/{$realif}_router")) {
|
|
514
|
$gw = file_get_contents("{$g['tmp_path']}/{$realif}_router");
|
|
515
|
$gw = rtrim($gw);
|
|
516
|
$dynamic = true;
|
|
517
|
}
|
|
518
|
}
|
|
519
|
|
|
520
|
/* return gateway */
|
|
521
|
return $gw;
|
|
522
|
}
|
|
523
|
|
|
524
|
?>
|