|
1
|
<?php
|
|
2
|
/*
|
|
3
|
vslb.inc
|
|
4
|
|
|
5
|
part of pfSense (https://www.pfsense.org)
|
|
6
|
Copyright (C) 2005-2008 Bill Marquette
|
|
7
|
Copyright (c) 2005-2016 Electric Sheep Fencing, LLC.
|
|
8
|
All rights reserved.
|
|
9
|
|
|
10
|
Redistribution and use in source and binary forms, with or without
|
|
11
|
modification, are permitted provided that the following conditions are met:
|
|
12
|
|
|
13
|
1. Redistributions of source code must retain the above copyright notice,
|
|
14
|
this list of conditions and the following disclaimer.
|
|
15
|
|
|
16
|
2. Redistributions in binary form must reproduce the above copyright
|
|
17
|
notice, this list of conditions and the following disclaimer in
|
|
18
|
the documentation and/or other materials provided with the
|
|
19
|
distribution.
|
|
20
|
|
|
21
|
3. All advertising materials mentioning features or use of this software
|
|
22
|
must display the following acknowledgment:
|
|
23
|
"This product includes software developed by the pfSense Project
|
|
24
|
for use in the pfSense® software distribution. (http://www.pfsense.org/).
|
|
25
|
|
|
26
|
4. The names "pfSense" and "pfSense Project" must not be used to
|
|
27
|
endorse or promote products derived from this software without
|
|
28
|
prior written permission. For written permission, please contact
|
|
29
|
coreteam@pfsense.org.
|
|
30
|
|
|
31
|
5. Products derived from this software may not be called "pfSense"
|
|
32
|
nor may "pfSense" appear in their names without prior written
|
|
33
|
permission of the Electric Sheep Fencing, LLC.
|
|
34
|
|
|
35
|
6. Redistributions of any form whatsoever must retain the following
|
|
36
|
acknowledgment:
|
|
37
|
|
|
38
|
"This product includes software developed by the pfSense Project
|
|
39
|
for use in the pfSense software distribution (http://www.pfsense.org/).
|
|
40
|
|
|
41
|
THIS SOFTWARE IS PROVIDED BY THE pfSense PROJECT ``AS IS'' AND ANY
|
|
42
|
EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
43
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
44
|
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE pfSense PROJECT OR
|
|
45
|
ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
46
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
47
|
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
48
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
49
|
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
50
|
STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
51
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
|
|
52
|
OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
53
|
*/
|
|
54
|
|
|
55
|
/* include all configuration functions */
|
|
56
|
|
|
57
|
class Monitor {
|
|
58
|
private $conf = array();
|
|
59
|
function __construct($config) {
|
|
60
|
$this->conf = $config;
|
|
61
|
}
|
|
62
|
|
|
63
|
public function p() {
|
|
64
|
return "check {$this->get('proto')}";
|
|
65
|
}
|
|
66
|
private function get($var) {
|
|
67
|
return isset($this->$var) ? $this->$var : "";
|
|
68
|
}
|
|
69
|
protected function config($element) {
|
|
70
|
return isset($this->conf[$element]) ? $this->conf[$element] : "";
|
|
71
|
}
|
|
72
|
}
|
|
73
|
|
|
74
|
class TCPMonitor extends Monitor {
|
|
75
|
protected $proto = 'tcp';
|
|
76
|
}
|
|
77
|
|
|
78
|
class SSLMonitor extends Monitor {
|
|
79
|
protected $proto = 'ssl';
|
|
80
|
}
|
|
81
|
|
|
82
|
class ICMPMonitor extends Monitor {
|
|
83
|
protected $proto = 'icmp';
|
|
84
|
}
|
|
85
|
|
|
86
|
class HTTPMonitor extends Monitor {
|
|
87
|
protected $proto = 'http';
|
|
88
|
function __construct($config) {
|
|
89
|
parent::__construct($config);
|
|
90
|
}
|
|
91
|
public function p() {
|
|
92
|
$method = ($this->code() != "") ? $this->code() : $this->digest();
|
|
93
|
return "check {$this->proto} {$this->path()} {$this->host()} {$method}";
|
|
94
|
}
|
|
95
|
|
|
96
|
private function path() {
|
|
97
|
return $this->config('path') != "" ? "'{$this->config('path')}'" : "";
|
|
98
|
}
|
|
99
|
|
|
100
|
private function host() {
|
|
101
|
return $this->config('host') != "" ? "host {$this->config('host')}" : "";
|
|
102
|
}
|
|
103
|
|
|
104
|
private function code() {
|
|
105
|
return $this->config('code') != "" ? "code {$this->config('code')}" : "";
|
|
106
|
}
|
|
107
|
|
|
108
|
private function digest() {
|
|
109
|
return $this->config('digest') != "" ? "digest {$this->config('digest')}" : "";
|
|
110
|
}
|
|
111
|
}
|
|
112
|
|
|
113
|
class HTTPSMonitor extends HTTPMonitor {
|
|
114
|
protected $proto = 'https';
|
|
115
|
}
|
|
116
|
|
|
117
|
class SendMonitor extends Monitor {
|
|
118
|
private $proto = 'send';
|
|
119
|
function __construct($config) {
|
|
120
|
parent::__construct($config);
|
|
121
|
}
|
|
122
|
public function p() {
|
|
123
|
return "check {$this->proto} {$this->data()} expect {$this->pattern()} {$this->ssl()}";
|
|
124
|
}
|
|
125
|
|
|
126
|
|
|
127
|
private function data() {
|
|
128
|
return $this->config('send') != "" ? "\"{$this->config('send')}\"" : "\"\"";
|
|
129
|
}
|
|
130
|
|
|
131
|
private function pattern() {
|
|
132
|
return $this->config('expect') != "" ? "\"{$this->config('expect')}\"" : "\"\"";
|
|
133
|
}
|
|
134
|
|
|
135
|
private function ssl() {
|
|
136
|
return $this->config('ssl') == true ? "ssl" : "";
|
|
137
|
}
|
|
138
|
}
|
|
139
|
|
|
140
|
function echo_lbaction($action) {
|
|
141
|
global $config;
|
|
142
|
|
|
143
|
// Index actions by name
|
|
144
|
$actions_a = array();
|
|
145
|
for ($i = 0; isset($config['load_balancer']['lbaction'][$i]); $i++) {
|
|
146
|
$actions_a[$config['load_balancer']['lbaction'][$i]['name']] = $config['load_balancer']['lbaction'][$i];
|
|
147
|
}
|
|
148
|
|
|
149
|
$ret = "";
|
|
150
|
$ret .= "{$actions_a[$action]['direction']} {$actions_a[$action]['type']} {$actions_a[$action]['action']}";
|
|
151
|
switch ($actions_a[$action]['action']) {
|
|
152
|
case 'append':
|
|
153
|
$ret .= " \"{$actions_a[$action]['options']['value']}\" to \"{$actions_a[$action]['options']['akey']}\"";
|
|
154
|
break;
|
|
155
|
case 'change':
|
|
156
|
$ret .= " \"{$actions_a[$action]['options']['akey']}\" to \"{$actions_a[$action]['options']['value']}\"";
|
|
157
|
break;
|
|
158
|
case 'expect':
|
|
159
|
$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
|
|
160
|
break;
|
|
161
|
case 'filter':
|
|
162
|
$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
|
|
163
|
break;
|
|
164
|
case 'hash':
|
|
165
|
$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
|
|
166
|
break;
|
|
167
|
case 'log':
|
|
168
|
$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
|
|
169
|
break;
|
|
170
|
}
|
|
171
|
return $ret;
|
|
172
|
}
|
|
173
|
|
|
174
|
function relayd_configure($kill_first=false) {
|
|
175
|
global $config, $g;
|
|
176
|
|
|
177
|
// have to do this until every call to filter.inc is
|
|
178
|
// require_once() instead of require().
|
|
179
|
if (!function_exists('filter_expand_alias_array')) {
|
|
180
|
require_once("filter.inc");
|
|
181
|
}
|
|
182
|
|
|
183
|
$vs_a = $config['load_balancer']['virtual_server'];
|
|
184
|
$pool_a = $config['load_balancer']['lbpool'];
|
|
185
|
$protocol_a = $config['load_balancer']['lbprotocol'];
|
|
186
|
$setting = $config['load_balancer']['setting'];
|
|
187
|
|
|
188
|
$check_a = array();
|
|
189
|
|
|
190
|
foreach ((array)$config['load_balancer']['monitor_type'] as $type) {
|
|
191
|
switch ($type['type']) {
|
|
192
|
case 'icmp':
|
|
193
|
$mon = new ICMPMonitor($type['options']);
|
|
194
|
break;
|
|
195
|
case 'tcp':
|
|
196
|
$mon = new TCPMonitor($type['options']);
|
|
197
|
break;
|
|
198
|
case 'http':
|
|
199
|
$mon = new HTTPMonitor($type['options']);
|
|
200
|
break;
|
|
201
|
case 'https':
|
|
202
|
$mon = new HTTPSMonitor($type['options']);
|
|
203
|
break;
|
|
204
|
case 'send':
|
|
205
|
$mon = new SendMonitor($type['options']);
|
|
206
|
break;
|
|
207
|
}
|
|
208
|
if ($mon) {
|
|
209
|
$check_a[$type['name']] = $mon->p();
|
|
210
|
}
|
|
211
|
}
|
|
212
|
|
|
213
|
|
|
214
|
$fd = fopen("{$g['varetc_path']}/relayd.conf", "w");
|
|
215
|
$conf .= "log updates \n";
|
|
216
|
|
|
217
|
/* Global timeout, interval and prefork settings
|
|
218
|
if not specified by the user:
|
|
219
|
- use a 1000 ms timeout value as in pfsense 2.0.1 and above
|
|
220
|
- leave interval and prefork empty, relayd will use its default values */
|
|
221
|
|
|
222
|
if (isset($setting['timeout']) && !empty($setting['timeout'])) {
|
|
223
|
$conf .= "timeout ".$setting['timeout']." \n";
|
|
224
|
} else {
|
|
225
|
$conf .= "timeout 1000 \n";
|
|
226
|
}
|
|
227
|
|
|
228
|
if (isset($setting['interval']) && !empty($setting['interval'])) {
|
|
229
|
$conf .= "interval ".$setting['interval']." \n";
|
|
230
|
}
|
|
231
|
|
|
232
|
if (isset($setting['prefork']) && !empty($setting['prefork'])) {
|
|
233
|
$conf .= "prefork ".$setting['prefork']." \n";
|
|
234
|
}
|
|
235
|
|
|
236
|
/* reindex pools by name as we loop through the pools array */
|
|
237
|
$pools = array();
|
|
238
|
/* Virtual server pools */
|
|
239
|
if (is_array($pool_a)) {
|
|
240
|
for ($i = 0; isset($pool_a[$i]); $i++) {
|
|
241
|
if (is_array($pool_a[$i]['servers'])) {
|
|
242
|
if (!empty($pool_a[$i]['retry'])) {
|
|
243
|
$retrytext = " retry {$pool_a[$i]['retry']}";
|
|
244
|
} else {
|
|
245
|
$retrytext = "";
|
|
246
|
}
|
|
247
|
$conf .= "table <{$pool_a[$i]['name']}> {\n";
|
|
248
|
foreach ($pool_a[$i]['servers'] as $server) {
|
|
249
|
if (is_subnetv4($server)) {
|
|
250
|
foreach (subnetv4_expand($server) as $ip) {
|
|
251
|
$conf .= "\t{$ip}{$retrytext}\n";
|
|
252
|
}
|
|
253
|
} else {
|
|
254
|
$conf .= "\t{$server}{$retrytext}\n";
|
|
255
|
}
|
|
256
|
}
|
|
257
|
$conf .= "}\n";
|
|
258
|
/* Index by name for easier fetching when we loop through the virtual servers */
|
|
259
|
$pools[$pool_a[$i]['name']] = $pool_a[$i];
|
|
260
|
}
|
|
261
|
}
|
|
262
|
}
|
|
263
|
// if (is_array($protocol_a)) {
|
|
264
|
// for ($i = 0; isset($protocol_a[$i]); $i++) {
|
|
265
|
// $proto = "{$protocol_a[$i]['type']} protocol \"{$protocol_a[$i]['name']}\" {\n";
|
|
266
|
// if (is_array($protocol_a[$i]['lbaction'])) {
|
|
267
|
// if ($protocol_a[$i]['lbaction'][0] == "") {
|
|
268
|
// continue;
|
|
269
|
// }
|
|
270
|
// for ($a = 0; isset($protocol_a[$i]['lbaction'][$a]); $a++) {
|
|
271
|
// $proto .= " " . echo_lbaction($protocol_a[$i]['lbaction'][$a]) . "\n";
|
|
272
|
// }
|
|
273
|
// }
|
|
274
|
// $proto .= "}\n";
|
|
275
|
// $conf .= $proto;
|
|
276
|
// }
|
|
277
|
// }
|
|
278
|
|
|
279
|
$conf .= "dns protocol \"dnsproto\" {\n";
|
|
280
|
$conf .= "\t" . "tcp { nodelay, sack, socket buffer 1024, backlog 1000 }\n";
|
|
281
|
$conf .= "}\n";
|
|
282
|
|
|
283
|
if (is_array($vs_a)) {
|
|
284
|
for ($i = 0; isset($vs_a[$i]); $i++) {
|
|
285
|
|
|
286
|
$append_port_to_name = false;
|
|
287
|
if (is_alias($pools[$vs_a[$i]['poolname']]['port'])) {
|
|
288
|
$dest_port_array = filter_expand_alias_array($pools[$vs_a[$i]['poolname']]['port']);
|
|
289
|
$append_port_to_name = true;
|
|
290
|
} else {
|
|
291
|
$dest_port_array = array($pools[$vs_a[$i]['poolname']]['port']);
|
|
292
|
}
|
|
293
|
if (is_alias($vs_a[$i]['port'])) {
|
|
294
|
$src_port_array = filter_expand_alias_array($vs_a[$i]['port']);
|
|
295
|
$append_port_to_name = true;
|
|
296
|
} else if ($vs_a[$i]['port']) {
|
|
297
|
$src_port_array = array($vs_a[$i]['port']);
|
|
298
|
} else {
|
|
299
|
$src_port_array = $dest_port_array;
|
|
300
|
}
|
|
301
|
|
|
302
|
$append_ip_to_name = false;
|
|
303
|
if (is_alias($vs_a[$i]['ipaddr'])) {
|
|
304
|
$ip_list = array();
|
|
305
|
foreach (filter_expand_alias_array($vs_a[$i]['ipaddr']) as $item) {
|
|
306
|
log_error("item is $item");
|
|
307
|
if (is_subnetv4($item)) {
|
|
308
|
$ip_list = array_merge($ip_list, subnetv4_expand($item));
|
|
309
|
} else {
|
|
310
|
$ip_list[] = $item;
|
|
311
|
}
|
|
312
|
}
|
|
313
|
$append_ip_to_name = true;
|
|
314
|
} else if (is_subnetv4($vs_a[$i]['ipaddr'])) {
|
|
315
|
$ip_list = subnetv4_expand($vs_a[$i]['ipaddr']);
|
|
316
|
$append_ip_to_name = true;
|
|
317
|
} else {
|
|
318
|
$ip_list = array($vs_a[$i]['ipaddr']);
|
|
319
|
}
|
|
320
|
|
|
321
|
for ($j = 0; $j < count($ip_list); $j += 1) {
|
|
322
|
$ip = $ip_list[$j];
|
|
323
|
for ($k = 0; $k < count($src_port_array) && $k < count($dest_port_array); $k += 1) {
|
|
324
|
$src_port = $src_port_array[$k];
|
|
325
|
$dest_port = $dest_port_array[$k];
|
|
326
|
if (is_portrange($dest_port)) {
|
|
327
|
$dest_ports = explode(':', $dest_port);
|
|
328
|
$dest_port = $dest_ports[0];
|
|
329
|
}
|
|
330
|
|
|
331
|
$name = $vs_a[$i]['name'];
|
|
332
|
if ($append_ip_to_name) {
|
|
333
|
$name .= "_" . $j;
|
|
334
|
}
|
|
335
|
if ($append_port_to_name) {
|
|
336
|
$name .= "_" . str_replace(":", "_", $src_port);
|
|
337
|
}
|
|
338
|
|
|
339
|
if (($vs_a[$i]['mode'] == 'relay') || ($vs_a[$i]['relay_protocol'] == 'dns')) {
|
|
340
|
$conf .= "relay \"{$name}\" {\n";
|
|
341
|
$conf .= " listen on {$ip} port {$src_port}\n";
|
|
342
|
|
|
343
|
if ($vs_a[$i]['relay_protocol'] == "dns") {
|
|
344
|
$conf .= " protocol \"dnsproto\"\n";
|
|
345
|
} else {
|
|
346
|
$conf .= " protocol \"{$vs_a[$i]['relay_protocol']}\"\n";
|
|
347
|
}
|
|
348
|
$lbmode = "";
|
|
349
|
if ($pools[$vs_a[$i]['poolname']]['mode'] == "loadbalance") {
|
|
350
|
$lbmode = "mode loadbalance";
|
|
351
|
}
|
|
352
|
|
|
353
|
$conf .= " forward to <{$vs_a[$i]['poolname']}> port {$dest_port} {$lbmode} {$check_a[$pools[$vs_a[$i]['poolname']]['monitor']]} \n";
|
|
354
|
|
|
355
|
if (isset($vs_a[$i]['sitedown']) && strlen($vs_a[$i]['sitedown']) > 0 && ($vs_a[$i]['relay_protocol'] != 'dns')) {
|
|
356
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$dest_port} {$lbmode} {$check_a[$pools[$vs_a[$i]['poolname']]['monitor']]} \n";
|
|
357
|
}
|
|
358
|
$conf .= "}\n";
|
|
359
|
} else {
|
|
360
|
$conf .= "redirect \"{$name}\" {\n";
|
|
361
|
$conf .= " listen on {$ip} port {$src_port}\n";
|
|
362
|
$conf .= " forward to <{$vs_a[$i]['poolname']}> port {$dest_port} {$check_a[$pools[$vs_a[$i]['poolname']]['monitor']]} \n";
|
|
363
|
|
|
364
|
if (isset($config['system']['lb_use_sticky'])) {
|
|
365
|
$conf .= " sticky-address\n";
|
|
366
|
}
|
|
367
|
|
|
368
|
/* sitedown MUST use the same port as the primary pool - sucks, but it's a relayd thing */
|
|
369
|
if (isset($vs_a[$i]['sitedown']) && strlen($vs_a[$i]['sitedown']) > 0 && ($vs_a[$i]['relay_protocol'] != 'dns')) {
|
|
370
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$dest_port} {$check_a[$pools[$vs_a[$i]['sitedown']]['monitor']]} \n";
|
|
371
|
}
|
|
372
|
|
|
373
|
$conf .= "}\n";
|
|
374
|
}
|
|
375
|
}
|
|
376
|
}
|
|
377
|
}
|
|
378
|
}
|
|
379
|
fwrite($fd, $conf);
|
|
380
|
fclose($fd);
|
|
381
|
|
|
382
|
if (is_process_running('relayd')) {
|
|
383
|
if (!empty($vs_a)) {
|
|
384
|
if ($kill_first) {
|
|
385
|
mwexec('pkill relayd');
|
|
386
|
/* Remove all active relayd anchors now that relayd is no longer running. */
|
|
387
|
cleanup_lb_anchor("*");
|
|
388
|
mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
|
|
389
|
} else {
|
|
390
|
// it's running and there is a config, just reload
|
|
391
|
mwexec("/usr/local/sbin/relayctl reload");
|
|
392
|
}
|
|
393
|
} else {
|
|
394
|
/*
|
|
395
|
* XXX: Something breaks our control connection with relayd
|
|
396
|
* and makes 'relayctl stop' not work
|
|
397
|
* rule reloads are the current suspect
|
|
398
|
* mwexec('/usr/local/sbin/relayctl stop');
|
|
399
|
* returns "command failed"
|
|
400
|
*/
|
|
401
|
mwexec('pkill relayd');
|
|
402
|
/* Remove all active relayd anchors now that relayd is no longer running. */
|
|
403
|
cleanup_lb_anchor("*");
|
|
404
|
}
|
|
405
|
} else {
|
|
406
|
if (!empty($vs_a)) {
|
|
407
|
// not running and there is a config, start it
|
|
408
|
/* Remove all active relayd anchors so it can start fresh. */
|
|
409
|
cleanup_lb_anchor("*");
|
|
410
|
mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
|
|
411
|
}
|
|
412
|
}
|
|
413
|
}
|
|
414
|
|
|
415
|
function get_lb_redirects() {
|
|
416
|
/*
|
|
417
|
# relayctl show summary
|
|
418
|
Id Type Name Avlblty Status
|
|
419
|
1 redirect testvs2 active
|
|
420
|
5 table test2:80 active (3 hosts up)
|
|
421
|
11 host 192.168.1.2 91.55% up
|
|
422
|
10 host 192.168.1.3 100.00% up
|
|
423
|
9 host 192.168.1.4 88.73% up
|
|
424
|
3 table test:80 active (1 hosts up)
|
|
425
|
7 host 192.168.1.2 66.20% down
|
|
426
|
6 host 192.168.1.3 97.18% up
|
|
427
|
0 redirect testvs active
|
|
428
|
3 table test:80 active (1 hosts up)
|
|
429
|
7 host 192.168.1.2 66.20% down
|
|
430
|
6 host 192.168.1.3 97.18% up
|
|
431
|
4 table testvs-sitedown:80 active (1 hosts up)
|
|
432
|
8 host 192.168.1.4 84.51% up
|
|
433
|
# relayctl show redirects
|
|
434
|
Id Type Name Avlblty Status
|
|
435
|
1 redirect testvs2 active
|
|
436
|
0 redirect testvs active
|
|
437
|
# relayctl show redirects
|
|
438
|
Id Type Name Avlblty Status
|
|
439
|
1 redirect testvs2 active
|
|
440
|
total: 2 sessions
|
|
441
|
last: 2/60s 2/h 2/d sessions
|
|
442
|
average: 1/60s 0/h 0/d sessions
|
|
443
|
0 redirect testvs active
|
|
444
|
*/
|
|
445
|
$rdr_a = array();
|
|
446
|
exec('/usr/local/sbin/relayctl show redirects 2>&1', $rdr_a);
|
|
447
|
$relay_a = array();
|
|
448
|
exec('/usr/local/sbin/relayctl show relays 2>&1', $relay_a);
|
|
449
|
$vs = array();
|
|
450
|
$cur_entry = "";
|
|
451
|
for ($i = 0; isset($rdr_a[$i]); $i++) {
|
|
452
|
$line = $rdr_a[$i];
|
|
453
|
if (preg_match("/^[0-9]+/", $line)) {
|
|
454
|
$regs = array();
|
|
455
|
if ($x = preg_match("/^[0-9]+\s+redirect\s+([^\s]+)\s+([^\s]+)/", $line, $regs)) {
|
|
456
|
$cur_entry = trim($regs[1]);
|
|
457
|
$vs[trim($regs[1])] = array();
|
|
458
|
$vs[trim($regs[1])]['status'] = trim($regs[2]);
|
|
459
|
}
|
|
460
|
} elseif (($x = preg_match("/^\s+total:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
461
|
$vs[$cur_entry]['total'] = trim($regs[1]);
|
|
462
|
} elseif (($x = preg_match("/^\s+last:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
463
|
$vs[$cur_entry]['last'] = trim($regs[1]);
|
|
464
|
} elseif (($x = preg_match("/^\s+average:(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
465
|
$vs[$cur_entry]['average'] = trim($regs[1]);
|
|
466
|
}
|
|
467
|
}
|
|
468
|
$cur_entry = "";
|
|
469
|
for ($i = 0; isset($relay_a[$i]); $i++) {
|
|
470
|
$line = $relay_a[$i];
|
|
471
|
if (preg_match("/^[0-9]+/", $line)) {
|
|
472
|
$regs = array();
|
|
473
|
if ($x = preg_match("/^[0-9]+\s+relay\s+([^\s]+)\s+([^\s]+)/", $line, $regs)) {
|
|
474
|
$cur_entry = trim($regs[1]);
|
|
475
|
$vs[trim($regs[1])] = array();
|
|
476
|
$vs[trim($regs[1])]['status'] = trim($regs[2]);
|
|
477
|
}
|
|
478
|
} elseif (($x = preg_match("/^\s+total:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
479
|
$vs[$cur_entry]['total'] = trim($regs[1]);
|
|
480
|
} elseif (($x = preg_match("/^\s+last:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
481
|
$vs[$cur_entry]['last'] = trim($regs[1]);
|
|
482
|
} elseif (($x = preg_match("/^\s+average:(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
483
|
$vs[$cur_entry]['average'] = trim($regs[1]);
|
|
484
|
}
|
|
485
|
}
|
|
486
|
return $vs;
|
|
487
|
}
|
|
488
|
|
|
489
|
function get_lb_summary() {
|
|
490
|
$relayctl = array();
|
|
491
|
exec('/usr/local/sbin/relayctl show summary 2>&1', $relayctl);
|
|
492
|
$relay_hosts=Array();
|
|
493
|
foreach ((array) $relayctl as $line) {
|
|
494
|
$t = explode("\t", $line);
|
|
495
|
switch (trim($t[1])) {
|
|
496
|
case "table":
|
|
497
|
$curpool=trim($t[2]);
|
|
498
|
break;
|
|
499
|
case "host":
|
|
500
|
$curhost=trim($t[2]);
|
|
501
|
$relay_hosts[$curpool][$curhost]['avail']=trim($t[3]);
|
|
502
|
$relay_hosts[$curpool][$curhost]['state']=trim($t[4]);
|
|
503
|
break;
|
|
504
|
}
|
|
505
|
}
|
|
506
|
return $relay_hosts;
|
|
507
|
}
|
|
508
|
|
|
509
|
/* Get a list of all relayd virtual server anchors */
|
|
510
|
function get_lb_anchors() {
|
|
511
|
/* NOTE: These names come back prepended with "relayd/" e.g. "relayd/MyVSName" */
|
|
512
|
return explode("\n", trim(`/sbin/pfctl -sA -a relayd | /usr/bin/awk '{print $1;}'`));
|
|
513
|
}
|
|
514
|
|
|
515
|
/* Remove NAT rules from a relayd anchor that is no longer in use.
|
|
516
|
$anchorname can either be * to clear all anchors or a specific anchor name.*/
|
|
517
|
function cleanup_lb_anchor($anchorname = "*") {
|
|
518
|
$lbanchors = get_lb_anchors();
|
|
519
|
foreach ($lbanchors as $lba) {
|
|
520
|
if (($anchorname == "*") || ($lba == "relayd/{$anchorname}")) {
|
|
521
|
/* Flush both the NAT and the Table for the anchor, so it will be completely removed by pf. */
|
|
522
|
mwexec("/sbin/pfctl -a " . escapeshellarg($lba) . " -F nat");
|
|
523
|
mwexec("/sbin/pfctl -a " . escapeshellarg($lba) . " -F Tables");
|
|
524
|
}
|
|
525
|
}
|
|
526
|
}
|
|
527
|
|
|
528
|
/* Mark an anchor for later cleanup. This will allow us to remove an old VS name */
|
|
529
|
function cleanup_lb_mark_anchor($name) {
|
|
530
|
global $g;
|
|
531
|
/* Nothing to do! */
|
|
532
|
if (empty($name)) {
|
|
533
|
return;
|
|
534
|
}
|
|
535
|
$filename = "{$g['tmp_path']}/relayd_anchors_remove";
|
|
536
|
$cleanup_anchors = array();
|
|
537
|
/* Read in any currently unapplied name changes */
|
|
538
|
if (file_exists($filename)) {
|
|
539
|
$cleanup_anchors = explode("\n", file_get_contents($filename));
|
|
540
|
}
|
|
541
|
/* Only add the anchor to the list if it's not already there. */
|
|
542
|
if (!in_array($name, $cleanup_anchors)) {
|
|
543
|
$cleanup_anchors[] = $name;
|
|
544
|
}
|
|
545
|
file_put_contents($filename, implode("\n", $cleanup_anchors));
|
|
546
|
}
|
|
547
|
|
|
548
|
/* Cleanup relayd anchors that have been marked for cleanup. */
|
|
549
|
function cleanup_lb_marked() {
|
|
550
|
global $g, $config;
|
|
551
|
$filename = "{$g['tmp_path']}/relayd_anchors_remove";
|
|
552
|
$cleanup_anchors = array();
|
|
553
|
/* Nothing to do! */
|
|
554
|
if (!file_exists($filename)) {
|
|
555
|
return;
|
|
556
|
} else {
|
|
557
|
$cleanup_anchors = explode("\n", file_get_contents($filename));
|
|
558
|
/* Nothing to do! */
|
|
559
|
if (empty($cleanup_anchors)) {
|
|
560
|
return;
|
|
561
|
}
|
|
562
|
}
|
|
563
|
|
|
564
|
/* Load current names so we can make sure we don't remove an anchor that is still in use. */
|
|
565
|
$vs_a = $config['load_balancer']['virtual_server'];
|
|
566
|
$active_vsnames = array();
|
|
567
|
if (is_array($vs_a)) {
|
|
568
|
foreach ($vs_a as $vs) {
|
|
569
|
$active_vsnames[] = $vs['name'];
|
|
570
|
}
|
|
571
|
}
|
|
572
|
|
|
573
|
foreach ($cleanup_anchors as $anchor) {
|
|
574
|
/* Only cleanup an anchor if it is not still active. */
|
|
575
|
if (!in_array($anchor, $active_vsnames)) {
|
|
576
|
cleanup_lb_anchor($anchor);
|
|
577
|
}
|
|
578
|
}
|
|
579
|
unlink_if_exists($filename);
|
|
580
|
}
|
|
581
|
|
|
582
|
?>
|