|
1
|
<?php
|
|
2
|
/* $Id$ */
|
|
3
|
/*
|
|
4
|
vslb.inc
|
|
5
|
Copyright (C) 2005-2008 Bill Marquette
|
|
6
|
All rights reserved.
|
|
7
|
|
|
8
|
Redistribution and use in source and binary forms, with or without
|
|
9
|
modification, are permitted provided that the following conditions are met:
|
|
10
|
|
|
11
|
1. Redistributions of source code must retain the above copyright notice,
|
|
12
|
this list of conditions and the following disclaimer.
|
|
13
|
|
|
14
|
2. Redistributions in binary form must reproduce the above copyright
|
|
15
|
notice, this list of conditions and the following disclaimer in the
|
|
16
|
documentation and/or other materials provided with the distribution.
|
|
17
|
|
|
18
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
19
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
20
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
21
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
22
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
23
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
24
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
25
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
26
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
27
|
POSSIBILITY OF SUCH DAMAGE.
|
|
28
|
|
|
29
|
*/
|
|
30
|
|
|
31
|
/*
|
|
32
|
pfSense_BUILDER_BINARIES: /usr/local/sbin/relayd
|
|
33
|
pfSense_MODULE: routing
|
|
34
|
*/
|
|
35
|
|
|
36
|
/* DISABLE_PHP_LINT_CHECKING */
|
|
37
|
|
|
38
|
/* include all configuration functions */
|
|
39
|
|
|
40
|
class Monitor {
|
|
41
|
private $conf = array();
|
|
42
|
function __construct($config) {
|
|
43
|
$this->conf = $config;
|
|
44
|
}
|
|
45
|
|
|
46
|
public function p() {
|
|
47
|
return "check {$this->get('proto')}";
|
|
48
|
}
|
|
49
|
private function get($var) {
|
|
50
|
return isset($this->$var) ? $this->$var : "";
|
|
51
|
}
|
|
52
|
protected function config($element) {
|
|
53
|
return isset($this->conf[$element]) ? $this->conf[$element] : "";
|
|
54
|
}
|
|
55
|
}
|
|
56
|
|
|
57
|
class TCPMonitor extends Monitor {
|
|
58
|
protected $proto = 'tcp';
|
|
59
|
}
|
|
60
|
|
|
61
|
class SSLMonitor extends Monitor {
|
|
62
|
protected $proto = 'ssl';
|
|
63
|
}
|
|
64
|
|
|
65
|
class ICMPMonitor extends Monitor {
|
|
66
|
protected $proto = 'icmp';
|
|
67
|
}
|
|
68
|
|
|
69
|
class HTTPMonitor extends Monitor {
|
|
70
|
protected $proto = 'http';
|
|
71
|
function __construct($config) {
|
|
72
|
parent::__construct($config);
|
|
73
|
}
|
|
74
|
public function p() {
|
|
75
|
$method = ($this->code() != "") ? $this->code() : $this->digest();
|
|
76
|
return "check {$this->proto} {$this->path()} {$this->host()} {$method}";
|
|
77
|
}
|
|
78
|
|
|
79
|
private function path() {
|
|
80
|
return $this->config('path') != "" ? "'{$this->config('path')}'" : "";
|
|
81
|
}
|
|
82
|
|
|
83
|
private function host() {
|
|
84
|
return $this->config('host') != "" ? "host {$this->config('host')}" : "";
|
|
85
|
}
|
|
86
|
|
|
87
|
private function code() {
|
|
88
|
return $this->config('code') != "" ? "code {$this->config('code')}" : "";
|
|
89
|
}
|
|
90
|
|
|
91
|
private function digest() {
|
|
92
|
return $this->config('digest') != "" ? "digest {$this->config('digest')}" : "";
|
|
93
|
}
|
|
94
|
}
|
|
95
|
|
|
96
|
class HTTPSMonitor extends HTTPMonitor {
|
|
97
|
protected $proto = 'https';
|
|
98
|
}
|
|
99
|
|
|
100
|
class SendMonitor extends Monitor {
|
|
101
|
private $proto = 'send';
|
|
102
|
function __construct($config) {
|
|
103
|
parent::__construct($config);
|
|
104
|
}
|
|
105
|
public function p() {
|
|
106
|
return "check {$this->proto} {$this->data()} expect {$this->pattern()} {$this->ssl()}";
|
|
107
|
}
|
|
108
|
|
|
109
|
|
|
110
|
private function data() {
|
|
111
|
return $this->config('send') != "" ? "\"{$this->config('send')}\"" : "\"\"";
|
|
112
|
}
|
|
113
|
|
|
114
|
private function pattern() {
|
|
115
|
return $this->config('expect') != "" ? "\"{$this->config('expect')}\"" : "\"\"";
|
|
116
|
}
|
|
117
|
|
|
118
|
private function ssl() {
|
|
119
|
return $this->config('ssl') == true ? "ssl" : "";
|
|
120
|
}
|
|
121
|
}
|
|
122
|
|
|
123
|
function echo_lbaction($action) {
|
|
124
|
global $config;
|
|
125
|
|
|
126
|
// Index actions by name
|
|
127
|
$actions_a = array();
|
|
128
|
for ($i=0; isset($config['load_balancer']['lbaction'][$i]); $i++)
|
|
129
|
$actions_a[$config['load_balancer']['lbaction'][$i]['name']] = $config['load_balancer']['lbaction'][$i];
|
|
130
|
|
|
131
|
$ret = "";
|
|
132
|
$ret .= "{$actions_a[$action]['direction']} {$actions_a[$action]['type']} {$actions_a[$action]['action']}";
|
|
133
|
switch($actions_a[$action]['action']) {
|
|
134
|
case 'append':
|
|
135
|
$ret .= " \"{$actions_a[$action]['options']['value']}\" to \"{$actions_a[$action]['options']['akey']}\"";
|
|
136
|
break;
|
|
137
|
case 'change':
|
|
138
|
$ret .= " \"{$actions_a[$action]['options']['akey']}\" to \"{$actions_a[$action]['options']['value']}\"";
|
|
139
|
break;
|
|
140
|
case 'expect':
|
|
141
|
$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
|
|
142
|
break;
|
|
143
|
case 'filter':
|
|
144
|
$ret .= " \"{$actions_a[$action]['options']['value']}\" from \"{$actions_a[$action]['options']['akey']}\"";
|
|
145
|
break;
|
|
146
|
case 'hash':
|
|
147
|
$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
|
|
148
|
break;
|
|
149
|
case 'log':
|
|
150
|
$ret .= " \"{$actions_a[$action]['options']['akey']}\"";
|
|
151
|
break;
|
|
152
|
}
|
|
153
|
return $ret;
|
|
154
|
}
|
|
155
|
|
|
156
|
function relayd_configure($kill_first=false) {
|
|
157
|
global $config, $g;
|
|
158
|
|
|
159
|
$vs_a = $config['load_balancer']['virtual_server'];
|
|
160
|
$pool_a = $config['load_balancer']['lbpool'];
|
|
161
|
$protocol_a = $config['load_balancer']['lbprotocol'];
|
|
162
|
$setting = $config['load_balancer']['setting'];
|
|
163
|
|
|
164
|
$check_a = array();
|
|
165
|
|
|
166
|
foreach ((array)$config['load_balancer']['monitor_type'] as $type) {
|
|
167
|
switch($type['type']) {
|
|
168
|
case 'icmp':
|
|
169
|
$mon = new ICMPMonitor($type['options']);
|
|
170
|
break;
|
|
171
|
case 'tcp':
|
|
172
|
$mon = new TCPMonitor($type['options']);
|
|
173
|
break;
|
|
174
|
case 'http':
|
|
175
|
$mon = new HTTPMonitor($type['options']);
|
|
176
|
break;
|
|
177
|
case 'https':
|
|
178
|
$mon = new HTTPSMonitor($type['options']);
|
|
179
|
break;
|
|
180
|
case 'send':
|
|
181
|
$mon = new SendMonitor($type['options']);
|
|
182
|
break;
|
|
183
|
}
|
|
184
|
if($mon) {
|
|
185
|
$check_a[$type['name']] = $mon->p();
|
|
186
|
}
|
|
187
|
}
|
|
188
|
|
|
189
|
|
|
190
|
$fd = fopen("{$g['varetc_path']}/relayd.conf", "w");
|
|
191
|
$conf .= "log updates \n";
|
|
192
|
|
|
193
|
/* Global timeout, interval and prefork settings
|
|
194
|
if not specified by the user:
|
|
195
|
- use a 1000 ms timeout value as in pfsense 2.0.1 and above
|
|
196
|
- leave interval and prefork empty, relayd will use its default values */
|
|
197
|
|
|
198
|
if (isset($setting['timeout']) && !empty($setting['timeout'])) {
|
|
199
|
$conf .= "timeout ".$setting['timeout']." \n";
|
|
200
|
} else {
|
|
201
|
$conf .= "timeout 1000 \n";
|
|
202
|
}
|
|
203
|
|
|
204
|
if (isset($setting['interval']) && !empty($setting['interval'])) {
|
|
205
|
$conf .= "interval ".$setting['interval']." \n";
|
|
206
|
}
|
|
207
|
|
|
208
|
if (isset($setting['prefork']) && !empty($setting['prefork'])) {
|
|
209
|
$conf .= "prefork ".$setting['prefork']." \n";
|
|
210
|
}
|
|
211
|
|
|
212
|
/* reindex pools by name as we loop through the pools array */
|
|
213
|
$pools = array();
|
|
214
|
/* Virtual server pools */
|
|
215
|
if(is_array($pool_a)) {
|
|
216
|
for ($i = 0; isset($pool_a[$i]); $i++) {
|
|
217
|
if(is_array($pool_a[$i]['servers'])) {
|
|
218
|
if (!empty($pool_a[$i]['retry'])) {
|
|
219
|
$retrytext = " retry {$pool_a[$i]['retry']}";
|
|
220
|
$srvtxt = implode("{$retrytext}, ", $pool_a[$i]['servers']) . "{$retrytext}";
|
|
221
|
} else {
|
|
222
|
$srvtxt = implode(", ", $pool_a[$i]['servers']);
|
|
223
|
}
|
|
224
|
$conf .= "table <{$pool_a[$i]['name']}> { $srvtxt }\n";
|
|
225
|
/* Index by name for easier fetching when we loop through the virtual servers */
|
|
226
|
$pools[$pool_a[$i]['name']] = $pool_a[$i];
|
|
227
|
}
|
|
228
|
}
|
|
229
|
}
|
|
230
|
// if(is_array($protocol_a)) {
|
|
231
|
// for ($i = 0; isset($protocol_a[$i]); $i++) {
|
|
232
|
// $proto = "{$protocol_a[$i]['type']} protocol \"{$protocol_a[$i]['name']}\" {\n";
|
|
233
|
// if(is_array($protocol_a[$i]['lbaction'])) {
|
|
234
|
// if($protocol_a[$i]['lbaction'][0] == "") {
|
|
235
|
// continue;
|
|
236
|
// }
|
|
237
|
// for ($a = 0; isset($protocol_a[$i]['lbaction'][$a]); $a++) {
|
|
238
|
// $proto .= " " . echo_lbaction($protocol_a[$i]['lbaction'][$a]) . "\n";
|
|
239
|
// }
|
|
240
|
// }
|
|
241
|
// $proto .= "}\n";
|
|
242
|
// $conf .= $proto;
|
|
243
|
// }
|
|
244
|
// }
|
|
245
|
|
|
246
|
$conf .= "dns protocol \"dnsproto\" {\n";
|
|
247
|
$conf .= "\ttcp { nodelay, sack, socket buffer 1024, backlog 1000 }\n";
|
|
248
|
$conf .= "}\n";
|
|
249
|
|
|
250
|
if(is_array($vs_a)) {
|
|
251
|
for ($i = 0; isset($vs_a[$i]); $i++) {
|
|
252
|
if (($vs_a[$i]['mode'] == 'relay') || ($vs_a[$i]['relay_protocol'] == 'dns')) {
|
|
253
|
$conf .= "relay \"{$vs_a[$i]['name']}\" {\n";
|
|
254
|
$conf .= " listen on {$vs_a[$i]['ipaddr']} port {$vs_a[$i]['port']}\n";
|
|
255
|
|
|
256
|
if ($vs_a[$i]['relay_protocol'] == "dns") {
|
|
257
|
$conf .= " protocol \"dnsproto\"\n";
|
|
258
|
} else {
|
|
259
|
$conf .= " protocol \"{$vs_a[$i]['relay_protocol']}\"\n";
|
|
260
|
}
|
|
261
|
$lbmode = "";
|
|
262
|
if ( $pools[$vs_a[$i]['pool']]['mode'] == "loadbalance" ) {
|
|
263
|
$lbmode = "mode loadbalance";
|
|
264
|
}
|
|
265
|
|
|
266
|
$conf .= " forward to <{$vs_a[$i]['pool']}> port {$pools[$vs_a[$i]['pool']]['port']} {$lbmode} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} \n";
|
|
267
|
|
|
268
|
if (isset($vs_a[$i]['sitedown']) && strlen($vs_a[$i]['sitedown']) > 0)
|
|
269
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$pools[$vs_a[$i]['pool']]['port']} {$lbmode} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} \n";
|
|
270
|
$conf .= "}\n";
|
|
271
|
} else {
|
|
272
|
$conf .= "redirect \"{$vs_a[$i]['name']}\" {\n";
|
|
273
|
$conf .= " listen on {$vs_a[$i]['ipaddr']} port {$vs_a[$i]['port']}\n";
|
|
274
|
$conf .= " forward to <{$vs_a[$i]['pool']}> port {$pools[$vs_a[$i]['pool']]['port']} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} \n";
|
|
275
|
|
|
276
|
if (isset($config['system']['lb_use_sticky']))
|
|
277
|
$conf .= " sticky-address\n";
|
|
278
|
|
|
279
|
/* sitedown MUST use the same port as the primary pool - sucks, but it's a relayd thing */
|
|
280
|
if (isset($vs_a[$i]['sitedown']) && strlen($vs_a[$i]['sitedown']) > 0)
|
|
281
|
$conf .= " forward to <{$vs_a[$i]['sitedown']}> port {$pools[$vs_a[$i]['pool']]['port']} {$check_a[$pools[$vs_a[$i]['pool']]['monitor']]} \n";
|
|
282
|
|
|
283
|
$conf .= "}\n";
|
|
284
|
}
|
|
285
|
}
|
|
286
|
}
|
|
287
|
fwrite($fd, $conf);
|
|
288
|
fclose($fd);
|
|
289
|
|
|
290
|
if (is_process_running('relayd')) {
|
|
291
|
if (! empty($vs_a)) {
|
|
292
|
if ($kill_first) {
|
|
293
|
mwexec('pkill relayd');
|
|
294
|
mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
|
|
295
|
} else {
|
|
296
|
// it's running and there is a config, just reload
|
|
297
|
mwexec("/usr/local/sbin/relayctl reload");
|
|
298
|
}
|
|
299
|
} else {
|
|
300
|
/*
|
|
301
|
* XXX: Something breaks our control connection with relayd
|
|
302
|
* and makes 'relayctl stop' not work
|
|
303
|
* rule reloads are the current suspect
|
|
304
|
* mwexec('/usr/local/sbin/relayctl stop');
|
|
305
|
* returns "command failed"
|
|
306
|
*/
|
|
307
|
mwexec('pkill relayd');
|
|
308
|
}
|
|
309
|
} else {
|
|
310
|
if (! empty($vs_a)) {
|
|
311
|
// not running and there is a config, start it
|
|
312
|
mwexec("/usr/local/sbin/relayd -f {$g['varetc_path']}/relayd.conf");
|
|
313
|
}
|
|
314
|
}
|
|
315
|
}
|
|
316
|
|
|
317
|
function get_lb_redirects() {
|
|
318
|
/*
|
|
319
|
# relayctl show summary
|
|
320
|
Id Type Name Avlblty Status
|
|
321
|
1 redirect testvs2 active
|
|
322
|
5 table test2:80 active (3 hosts up)
|
|
323
|
11 host 192.168.1.2 91.55% up
|
|
324
|
10 host 192.168.1.3 100.00% up
|
|
325
|
9 host 192.168.1.4 88.73% up
|
|
326
|
3 table test:80 active (1 hosts up)
|
|
327
|
7 host 192.168.1.2 66.20% down
|
|
328
|
6 host 192.168.1.3 97.18% up
|
|
329
|
0 redirect testvs active
|
|
330
|
3 table test:80 active (1 hosts up)
|
|
331
|
7 host 192.168.1.2 66.20% down
|
|
332
|
6 host 192.168.1.3 97.18% up
|
|
333
|
4 table testvs-sitedown:80 active (1 hosts up)
|
|
334
|
8 host 192.168.1.4 84.51% up
|
|
335
|
# relayctl show redirects
|
|
336
|
Id Type Name Avlblty Status
|
|
337
|
1 redirect testvs2 active
|
|
338
|
0 redirect testvs active
|
|
339
|
# relayctl show redirects
|
|
340
|
Id Type Name Avlblty Status
|
|
341
|
1 redirect testvs2 active
|
|
342
|
total: 2 sessions
|
|
343
|
last: 2/60s 2/h 2/d sessions
|
|
344
|
average: 1/60s 0/h 0/d sessions
|
|
345
|
0 redirect testvs active
|
|
346
|
*/
|
|
347
|
$rdr_a = array();
|
|
348
|
exec('/usr/local/sbin/relayctl show redirects 2>&1', $rdr_a);
|
|
349
|
$relay_a = array();
|
|
350
|
exec('/usr/local/sbin/relayctl show relays 2>&1', $relay_a);
|
|
351
|
$vs = array();
|
|
352
|
$cur_entry = "";
|
|
353
|
for ($i = 0; isset($rdr_a[$i]); $i++) {
|
|
354
|
$line = $rdr_a[$i];
|
|
355
|
if (preg_match("/^[0-9]+/", $line)) {
|
|
356
|
$regs = array();
|
|
357
|
if($x = preg_match("/^[0-9]+\s+redirect\s+([^\s]+)\s+([^\s]+)/", $line, $regs)) {
|
|
358
|
$cur_entry = trim($regs[1]);
|
|
359
|
$vs[trim($regs[1])] = array();
|
|
360
|
$vs[trim($regs[1])]['status'] = trim($regs[2]);
|
|
361
|
}
|
|
362
|
} elseif (($x = preg_match("/^\s+total:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
363
|
$vs[$cur_entry]['total'] = trim($regs[1]);
|
|
364
|
} elseif (($x = preg_match("/^\s+last:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
365
|
$vs[$cur_entry]['last'] = trim($regs[1]);
|
|
366
|
} elseif (($x = preg_match("/^\s+average:(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
367
|
$vs[$cur_entry]['average'] = trim($regs[1]);
|
|
368
|
}
|
|
369
|
}
|
|
370
|
$cur_entry = "";
|
|
371
|
for ($i = 0; isset($relay_a[$i]); $i++) {
|
|
372
|
$line = $relay_a[$i];
|
|
373
|
if (preg_match("/^[0-9]+/", $line)) {
|
|
374
|
$regs = array();
|
|
375
|
if($x = preg_match("/^[0-9]+\s+relay\s+([^\s]+)\s+([^\s]+)/", $line, $regs)) {
|
|
376
|
$cur_entry = trim($regs[1]);
|
|
377
|
$vs[trim($regs[1])] = array();
|
|
378
|
$vs[trim($regs[1])]['status'] = trim($regs[2]);
|
|
379
|
}
|
|
380
|
} elseif (($x = preg_match("/^\s+total:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
381
|
$vs[$cur_entry]['total'] = trim($regs[1]);
|
|
382
|
} elseif (($x = preg_match("/^\s+last:\s(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
383
|
$vs[$cur_entry]['last'] = trim($regs[1]);
|
|
384
|
} elseif (($x = preg_match("/^\s+average:(.*)\ssessions/", $line, $regs)) && !empty($cur_entry)) {
|
|
385
|
$vs[$cur_entry]['average'] = trim($regs[1]);
|
|
386
|
}
|
|
387
|
}
|
|
388
|
return $vs;
|
|
389
|
}
|
|
390
|
|
|
391
|
function get_lb_summary() {
|
|
392
|
$relayctl = array();
|
|
393
|
exec('/usr/local/sbin/relayctl show summary 2>&1', $relayctl);
|
|
394
|
$relay_hosts=Array();
|
|
395
|
foreach( (array) $relayctl as $line) {
|
|
396
|
$t = explode("\t", $line);
|
|
397
|
switch (trim($t[1])) {
|
|
398
|
case "table":
|
|
399
|
$curpool=trim($t[2]);
|
|
400
|
break;
|
|
401
|
case "host":
|
|
402
|
$curhost=trim($t[2]);
|
|
403
|
$relay_hosts[$curpool][$curhost]['avail']=trim($t[3]);
|
|
404
|
$relay_hosts[$curpool][$curhost]['state']=trim($t[4]);
|
|
405
|
break;
|
|
406
|
}
|
|
407
|
}
|
|
408
|
return $relay_hosts;
|
|
409
|
}
|
|
410
|
|
|
411
|
?>
|