|
1
|
<?php
|
|
2
|
/*
|
|
3
|
util.inc
|
|
4
|
part of the pfSense project (http://www.pfsense.com)
|
|
5
|
|
|
6
|
originally part of m0n0wall (http://m0n0.ch/wall)
|
|
7
|
Copyright (C) 2003-2004 Manuel Kasper <mk@neon1.net>.
|
|
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 the
|
|
18
|
documentation and/or other materials provided with the distribution.
|
|
19
|
|
|
20
|
THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
|
|
21
|
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
22
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
23
|
AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
|
|
24
|
OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
25
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
26
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
27
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
28
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
29
|
POSSIBILITY OF SUCH DAMAGE.
|
|
30
|
*/
|
|
31
|
|
|
32
|
/*
|
|
33
|
pfSense_BUILDER_BINARIES: /bin/ps /bin/kill /usr/bin/killall /sbin/ifconfig /usr/bin/netstat
|
|
34
|
pfSense_BUILDER_BINARIES: /usr/bin/awk /sbin/dmesg /sbin/ping /usr/local/sbin/gzsig /usr/sbin/arp
|
|
35
|
pfSense_BUILDER_BINARIES: /sbin/conscontrol /sbin/devd /bin/ps
|
|
36
|
pfSense_MODULE: utils
|
|
37
|
*/
|
|
38
|
|
|
39
|
/* kill a process by pid file */
|
|
40
|
function killbypid($pidfile) {
|
|
41
|
return sigkillbypid($pidfile, "TERM");
|
|
42
|
}
|
|
43
|
|
|
44
|
function isvalidpid($pid) {
|
|
45
|
$output = "";
|
|
46
|
exec("/bin/pgrep -F {$pid}", $output, $retval);
|
|
47
|
|
|
48
|
return (intval($retval) == 0);
|
|
49
|
}
|
|
50
|
|
|
51
|
function is_process_running($process) {
|
|
52
|
$output = "";
|
|
53
|
exec("/bin/pgrep -ax {$process}", $output, $retval);
|
|
54
|
|
|
55
|
return (intval($retval) == 0);
|
|
56
|
}
|
|
57
|
|
|
58
|
function isvalidproc($proc) {
|
|
59
|
return is_process_running($proc);
|
|
60
|
}
|
|
61
|
|
|
62
|
/* sigkill a process by pid file */
|
|
63
|
/* return 1 for success and 0 for a failure */
|
|
64
|
function sigkillbypid($pidfile, $sig) {
|
|
65
|
if (is_file($pidfile))
|
|
66
|
return mwexec("/bin/pkill -{$sig} -F {$pidfile}", true);
|
|
67
|
|
|
68
|
return 0;
|
|
69
|
}
|
|
70
|
|
|
71
|
/* kill a process by name */
|
|
72
|
function sigkillbyname($procname, $sig) {
|
|
73
|
if(isvalidproc($procname))
|
|
74
|
return mwexec("/usr/bin/killall -{$sig} " . escapeshellarg($procname), true);
|
|
75
|
}
|
|
76
|
|
|
77
|
/* kill a process by name */
|
|
78
|
function killbyname($procname) {
|
|
79
|
if(isvalidproc($procname))
|
|
80
|
mwexec("/usr/bin/killall " . escapeshellarg($procname));
|
|
81
|
}
|
|
82
|
|
|
83
|
function is_subsystem_dirty($subsystem = "") {
|
|
84
|
global $g;
|
|
85
|
|
|
86
|
if ($subsystem == "")
|
|
87
|
return false;
|
|
88
|
|
|
89
|
if (file_exists("{$g['varrun_path']}/{$subsystem}.dirty"))
|
|
90
|
return true;
|
|
91
|
|
|
92
|
return false;
|
|
93
|
}
|
|
94
|
|
|
95
|
function mark_subsystem_dirty($subsystem = "") {
|
|
96
|
global $g;
|
|
97
|
|
|
98
|
if (!file_put_contents("{$g['varrun_path']}/{$subsystem}.dirty", "DIRTY"))
|
|
99
|
log_error("WARNING: Could not mark subsystem: {$subsytem} dirty");
|
|
100
|
}
|
|
101
|
|
|
102
|
function clear_subsystem_dirty($subsystem = "") {
|
|
103
|
global $g;
|
|
104
|
|
|
105
|
@unlink("{$g['varrun_path']}/{$subsystem}.dirty");
|
|
106
|
}
|
|
107
|
|
|
108
|
function config_lock() {
|
|
109
|
return;
|
|
110
|
}
|
|
111
|
function config_unlock() {
|
|
112
|
return;
|
|
113
|
}
|
|
114
|
|
|
115
|
/* lock configuration file */
|
|
116
|
function lock($lock, $op = LOCK_SH) {
|
|
117
|
global $g, $cfglckkeyconsumers;
|
|
118
|
if (!$lock)
|
|
119
|
die("WARNING: You must give a name as parameter to lock() function.");
|
|
120
|
if (!file_exists("{$g['tmp_path']}/{$lock}.lock"))
|
|
121
|
@touch("{$g['tmp_path']}/{$lock}.lock");
|
|
122
|
$cfglckkeyconsumers++;
|
|
123
|
if ($fp = fopen("{$g['tmp_path']}/{$lock}.lock", "w")) {
|
|
124
|
if (flock($fp, $op))
|
|
125
|
return $fp;
|
|
126
|
else
|
|
127
|
fclose($fp);
|
|
128
|
}
|
|
129
|
}
|
|
130
|
|
|
131
|
/* unlock configuration file */
|
|
132
|
function unlock($cfglckkey = 0) {
|
|
133
|
global $g, $cfglckkeyconsumers;
|
|
134
|
flock($cfglckkey, LOCK_UN);
|
|
135
|
fclose($cfglckkey);
|
|
136
|
return;
|
|
137
|
}
|
|
138
|
|
|
139
|
function send_event($cmd) {
|
|
140
|
global $g;
|
|
141
|
|
|
142
|
if(!isset($g['event_address']))
|
|
143
|
$g['event_address'] = "unix:///var/run/check_reload_status";
|
|
144
|
|
|
145
|
$try = 0;
|
|
146
|
while ($try < 3) {
|
|
147
|
$fd = @fsockopen($g['event_address']);
|
|
148
|
if ($fd) {
|
|
149
|
fwrite($fd, $cmd);
|
|
150
|
$resp = fread($fd, 4096);
|
|
151
|
if ($resp != "OK\n")
|
|
152
|
log_error("send_event: sent {$cmd} got {$resp}");
|
|
153
|
fclose($fd);
|
|
154
|
$try = 3;
|
|
155
|
} else
|
|
156
|
mwexec_bg("/usr/bin/nice -n20 /usr/local/sbin/check_reload_status");
|
|
157
|
$try++;
|
|
158
|
}
|
|
159
|
}
|
|
160
|
|
|
161
|
function send_multiple_events($cmds) {
|
|
162
|
global $g;
|
|
163
|
|
|
164
|
if(!isset($g['event_address']))
|
|
165
|
$g['event_address'] = "unix:///var/run/check_reload_status";
|
|
166
|
|
|
167
|
if (!is_array($cmds))
|
|
168
|
return;
|
|
169
|
$fd = fsockopen($g['event_address']);
|
|
170
|
if ($fd) {
|
|
171
|
foreach ($cmds as $cmd) {
|
|
172
|
fwrite($fd, $cmd);
|
|
173
|
$resp = fread($fd, 4096);
|
|
174
|
if ($resp != "OK\n")
|
|
175
|
log_error("send_event: sent {$cmd} got {$resp}");
|
|
176
|
}
|
|
177
|
fclose($fd);
|
|
178
|
}
|
|
179
|
}
|
|
180
|
|
|
181
|
function refcount_init($reference) {
|
|
182
|
$shmid = shmop_open($reference, "c", 0644, 10);
|
|
183
|
shmop_write($shmid, 0, 0);
|
|
184
|
shmop_close($shmid);
|
|
185
|
}
|
|
186
|
|
|
187
|
function refcount_reference($reference) {
|
|
188
|
$shmid = @shmop_open($reference, "w", 0644, 10);
|
|
189
|
if (!$shmid) {
|
|
190
|
refcount_init($reference);
|
|
191
|
$shmid = shmop_open($reference, "w", 0644, 10);
|
|
192
|
}
|
|
193
|
$shm_data = shmop_read($shmid, 0, 10);
|
|
194
|
$shm_data = intval($shm_data) + 1;
|
|
195
|
shmop_write($shmid, $shm_data, 0);
|
|
196
|
shmop_close($shmid);
|
|
197
|
|
|
198
|
return $shm_data;
|
|
199
|
}
|
|
200
|
|
|
201
|
function refcount_unreference($reference) {
|
|
202
|
/* We assume that the shared memory exists. */
|
|
203
|
$shmid = shmop_open($reference, "w", 0644, 10);
|
|
204
|
$shm_data = shmop_read($shmid, 0, 10);
|
|
205
|
$shm_data = intval($shm_data) - 1;
|
|
206
|
if ($shm_data < 0) {
|
|
207
|
//debug_backtrace();
|
|
208
|
log_error("Reference {$reference} is going negative, not doing unreference.");
|
|
209
|
} else
|
|
210
|
shmop_write($shmid, $shm_data, 0);
|
|
211
|
shmop_close($shmid);
|
|
212
|
|
|
213
|
return $shm_data;
|
|
214
|
}
|
|
215
|
|
|
216
|
function is_module_loaded($module_name) {
|
|
217
|
$running = `/sbin/kldstat | grep {$module_name} | /usr/bin/grep -v grep | /usr/bin/wc -l`;
|
|
218
|
if (intval($running) >= 1)
|
|
219
|
return true;
|
|
220
|
else
|
|
221
|
return false;
|
|
222
|
}
|
|
223
|
|
|
224
|
/* return the subnet address given a host address and a subnet bit count */
|
|
225
|
function gen_subnet($ipaddr, $bits) {
|
|
226
|
if (!is_ipaddr($ipaddr) || !is_numeric($bits))
|
|
227
|
return "";
|
|
228
|
|
|
229
|
return long2ip(ip2long($ipaddr) & gen_subnet_mask_long($bits));
|
|
230
|
}
|
|
231
|
|
|
232
|
/* return the highest (broadcast) address in the subnet given a host address and a subnet bit count */
|
|
233
|
function gen_subnet_max($ipaddr, $bits) {
|
|
234
|
if (!is_ipaddr($ipaddr) || !is_numeric($bits))
|
|
235
|
return "";
|
|
236
|
|
|
237
|
return long2ip32(ip2long($ipaddr) | ~gen_subnet_mask_long($bits));
|
|
238
|
}
|
|
239
|
|
|
240
|
/* returns a subnet mask (long given a bit count) */
|
|
241
|
function gen_subnet_mask_long($bits) {
|
|
242
|
$sm = 0;
|
|
243
|
for ($i = 0; $i < $bits; $i++) {
|
|
244
|
$sm >>= 1;
|
|
245
|
$sm |= 0x80000000;
|
|
246
|
}
|
|
247
|
return $sm;
|
|
248
|
}
|
|
249
|
|
|
250
|
/* same as above but returns a string */
|
|
251
|
function gen_subnet_mask($bits) {
|
|
252
|
return long2ip(gen_subnet_mask_long($bits));
|
|
253
|
}
|
|
254
|
|
|
255
|
/* Convert long int to IP address, truncating to 32-bits. */
|
|
256
|
function long2ip32($ip) {
|
|
257
|
return long2ip($ip & 0xFFFFFFFF);
|
|
258
|
}
|
|
259
|
|
|
260
|
/* Convert IP address to long int, truncated to 32-bits to avoid sign extension on 64-bit platforms. */
|
|
261
|
function ip2long32($ip) {
|
|
262
|
return ( ip2long($ip) & 0xFFFFFFFF );
|
|
263
|
}
|
|
264
|
|
|
265
|
/* Convert IP address to unsigned long int. */
|
|
266
|
function ip2ulong($ip) {
|
|
267
|
return sprintf("%u", ip2long32($ip));
|
|
268
|
}
|
|
269
|
|
|
270
|
/* Find out how many IPs are contained within a given IP range
|
|
271
|
* e.g. 192.168.0.0 to 192.168.0.255 returns 256
|
|
272
|
*/
|
|
273
|
function ip_range_size($startip, $endip) {
|
|
274
|
if (is_ipaddr($startip) && is_ipaddr($endip)) {
|
|
275
|
// Operate as unsigned long because otherwise it wouldn't work
|
|
276
|
// when crossing over from 127.255.255.255 / 128.0.0.0 barrier
|
|
277
|
return abs(ip2ulong($startip) - ip2ulong($endip)) + 1;
|
|
278
|
}
|
|
279
|
return -1;
|
|
280
|
}
|
|
281
|
|
|
282
|
/* Find the smallest possible subnet mask which can contain a given number of IPs
|
|
283
|
* e.g. 512 IPs can fit in a /23, but 513 IPs need a /22
|
|
284
|
*/
|
|
285
|
function find_smallest_cidr($number) {
|
|
286
|
$smallest = 1;
|
|
287
|
for ($b=32; $b > 0; $b--) {
|
|
288
|
$smallest = ($number <= pow(2,$b)) ? $b : $smallest;
|
|
289
|
}
|
|
290
|
return (32-$smallest);
|
|
291
|
}
|
|
292
|
|
|
293
|
/* Return the previous IP address before the given address */
|
|
294
|
function ip_before($ip) {
|
|
295
|
return long2ip32(ip2long($ip)-1);
|
|
296
|
}
|
|
297
|
|
|
298
|
/* Return the next IP address after the given address */
|
|
299
|
function ip_after($ip) {
|
|
300
|
return long2ip32(ip2long($ip)+1);
|
|
301
|
}
|
|
302
|
|
|
303
|
/* Return true if the first IP is 'before' the second */
|
|
304
|
function ip_less_than($ip1, $ip2) {
|
|
305
|
// Compare as unsigned long because otherwise it wouldn't work when
|
|
306
|
// crossing over from 127.255.255.255 / 128.0.0.0 barrier
|
|
307
|
return ip2ulong($ip1) < ip2ulong($ip2);
|
|
308
|
}
|
|
309
|
|
|
310
|
/* Return true if the first IP is 'after' the second */
|
|
311
|
function ip_greater_than($ip1, $ip2) {
|
|
312
|
// Compare as unsigned long because otherwise it wouldn't work
|
|
313
|
// when crossing over from 127.255.255.255 / 128.0.0.0 barrier
|
|
314
|
return ip2ulong($ip1) > ip2ulong($ip2);
|
|
315
|
}
|
|
316
|
|
|
317
|
/* Convert a range of IPs to an array of subnets which can contain the range. */
|
|
318
|
function ip_range_to_subnet_array($startip, $endip) {
|
|
319
|
if (!is_ipaddr($startip) || !is_ipaddr($endip)) {
|
|
320
|
return array();
|
|
321
|
}
|
|
322
|
|
|
323
|
// Container for subnets within this range.
|
|
324
|
$rangesubnets = array();
|
|
325
|
|
|
326
|
// Figure out what the smallest subnet is that holds the number of IPs in the given range.
|
|
327
|
$cidr = find_smallest_cidr(ip_range_size($startip, $endip));
|
|
328
|
|
|
329
|
// Loop here to reduce subnet size and retest as needed. We need to make sure
|
|
330
|
// that the target subnet is wholly contained between $startip and $endip.
|
|
331
|
for ($cidr; $cidr <= 32; $cidr++) {
|
|
332
|
// Find the network and broadcast addresses for the subnet being tested.
|
|
333
|
$targetsub_min = gen_subnet($startip, $cidr);
|
|
334
|
$targetsub_max = gen_subnet_max($startip, $cidr);
|
|
335
|
|
|
336
|
// Check best case where the range is exactly one subnet.
|
|
337
|
if (($targetsub_min == $startip) && ($targetsub_max == $endip)) {
|
|
338
|
// Hooray, the range is exactly this subnet!
|
|
339
|
return array("{$startip}/{$cidr}");
|
|
340
|
}
|
|
341
|
|
|
342
|
// These remaining scenarios will find a subnet that uses the largest
|
|
343
|
// chunk possible of the range being tested, and leave the rest to be
|
|
344
|
// tested recursively after the loop.
|
|
345
|
|
|
346
|
// Check if the subnet begins with $startip and ends before $endip
|
|
347
|
if (($targetsub_min == $startip) && ip_less_than($targetsub_max, $endip)) {
|
|
348
|
break;
|
|
349
|
}
|
|
350
|
|
|
351
|
// Check if the subnet ends at $endip and starts after $startip
|
|
352
|
if (ip_greater_than($targetsub_min, $startip) && ($targetsub_max == $endip)) {
|
|
353
|
break;
|
|
354
|
}
|
|
355
|
|
|
356
|
// Check if the subnet is between $startip and $endip
|
|
357
|
if (ip_greater_than($targetsub_min, $startip) && ip_less_than($targetsub_max, $endip)) {
|
|
358
|
break;
|
|
359
|
}
|
|
360
|
}
|
|
361
|
|
|
362
|
// Some logic that will recursivly search from $startip to the first IP before the start of the subnet we just found.
|
|
363
|
// NOTE: This may never be hit, the way the above algo turned out, but is left for completeness.
|
|
364
|
if ($startip != $targetsub_min) {
|
|
365
|
$rangesubnets = array_merge($rangesubnets, ip_range_to_subnet_array($startip, ip_before($targetsub_min)));
|
|
366
|
}
|
|
367
|
|
|
368
|
// Add in the subnet we found before, to preserve ordering
|
|
369
|
$rangesubnets[] = "{$targetsub_min}/{$cidr}";
|
|
370
|
|
|
371
|
// And some more logic that will search after the subnet we found to fill in to the end of the range.
|
|
372
|
if ($endip != $targetsub_max) {
|
|
373
|
$rangesubnets = array_merge($rangesubnets, ip_range_to_subnet_array(ip_after($targetsub_max), $endip));
|
|
374
|
}
|
|
375
|
return $rangesubnets;
|
|
376
|
}
|
|
377
|
|
|
378
|
function is_iprange($range) {
|
|
379
|
if (substr_count($range, '-') != 1) {
|
|
380
|
return false;
|
|
381
|
}
|
|
382
|
list($ip1, $ip2) = explode ('-', $range);
|
|
383
|
return (is_ipaddr($ip1) && is_ipaddr($ip2));
|
|
384
|
}
|
|
385
|
|
|
386
|
function is_numericint($arg) {
|
|
387
|
return (preg_match("/[^0-9]/", $arg) ? false : true);
|
|
388
|
}
|
|
389
|
|
|
390
|
/* returns true if $ipaddr is a valid dotted IPv4 address */
|
|
391
|
function is_ipaddr($ipaddr) {
|
|
392
|
if (!is_string($ipaddr))
|
|
393
|
return false;
|
|
394
|
|
|
395
|
$ip_long = ip2long($ipaddr);
|
|
396
|
$ip_reverse = long2ip32($ip_long);
|
|
397
|
|
|
398
|
if ($ipaddr == $ip_reverse)
|
|
399
|
return true;
|
|
400
|
else
|
|
401
|
return false;
|
|
402
|
}
|
|
403
|
|
|
404
|
/* returns true if $ipaddr is a valid dotted IPv4 address or an alias thereof */
|
|
405
|
function is_ipaddroralias($ipaddr) {
|
|
406
|
global $config;
|
|
407
|
|
|
408
|
if (is_alias($ipaddr)) {
|
|
409
|
if (is_array($config['aliases']['alias'])) {
|
|
410
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
411
|
if ($alias['name'] == $ipaddr && $alias['type'] != "port")
|
|
412
|
return true;
|
|
413
|
}
|
|
414
|
}
|
|
415
|
return false;
|
|
416
|
} else
|
|
417
|
return is_ipaddr($ipaddr);
|
|
418
|
|
|
419
|
}
|
|
420
|
|
|
421
|
/* returns true if $subnet is a valid subnet in CIDR format */
|
|
422
|
function is_subnet($subnet) {
|
|
423
|
if (!is_string($subnet))
|
|
424
|
return false;
|
|
425
|
|
|
426
|
list($hp,$np) = explode('/', $subnet);
|
|
427
|
|
|
428
|
if (!is_ipaddr($hp))
|
|
429
|
return false;
|
|
430
|
|
|
431
|
if (!is_numeric($np) || ($np < 1) || ($np > 32))
|
|
432
|
return false;
|
|
433
|
|
|
434
|
return true;
|
|
435
|
}
|
|
436
|
|
|
437
|
/* returns true if $subnet is a valid subnet in CIDR format or an alias thereof */
|
|
438
|
function is_subnetoralias($subnet) {
|
|
439
|
global $aliastable;
|
|
440
|
|
|
441
|
if (isset($aliastable[$subnet]) && is_subnet($aliastable[$subnet]))
|
|
442
|
return true;
|
|
443
|
else
|
|
444
|
return is_subnet($subnet);
|
|
445
|
}
|
|
446
|
|
|
447
|
/* returns true if $hostname is a valid hostname */
|
|
448
|
function is_hostname($hostname) {
|
|
449
|
if (!is_string($hostname))
|
|
450
|
return false;
|
|
451
|
|
|
452
|
if (preg_match('/^(?:(?:[a-z0-9_]|[a-z0-9_][a-z0-9_\-]*[a-z0-9_])\.)*(?:[a-z0-9_]|[a-z0-9_][a-z0-9_\-]*[a-z0-9_])$/i', $hostname))
|
|
453
|
return true;
|
|
454
|
else
|
|
455
|
return false;
|
|
456
|
}
|
|
457
|
|
|
458
|
/* returns true if $domain is a valid domain name */
|
|
459
|
function is_domain($domain) {
|
|
460
|
if (!is_string($domain))
|
|
461
|
return false;
|
|
462
|
|
|
463
|
if (preg_match('/^(?:(?:[a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])\.)*(?:[a-z0-9]|[a-z0-9][a-z0-9\-]*[a-z0-9])$/i', $domain))
|
|
464
|
return true;
|
|
465
|
else
|
|
466
|
return false;
|
|
467
|
}
|
|
468
|
|
|
469
|
/* returns true if $macaddr is a valid MAC address */
|
|
470
|
function is_macaddr($macaddr) {
|
|
471
|
return preg_match('/^[0-9A-F]{2}(?:[:][0-9A-F]{2}){5}$/i', $macaddr) == 1 ? true : false;
|
|
472
|
}
|
|
473
|
|
|
474
|
/* returns true if $name is a valid name for an alias */
|
|
475
|
/* returns NULL if a reserved word is used */
|
|
476
|
function is_validaliasname($name) {
|
|
477
|
/* Array of reserved words */
|
|
478
|
$reserved = array("port", "pass");
|
|
479
|
if (in_array($name, $reserved, true))
|
|
480
|
return; /* return NULL */
|
|
481
|
if (!preg_match("/[^a-zA-Z0-9_]/", $name) && (strlen($name) < 32))
|
|
482
|
return true;
|
|
483
|
else
|
|
484
|
return false;
|
|
485
|
}
|
|
486
|
|
|
487
|
/* returns true if $port is a valid TCP/UDP port */
|
|
488
|
function is_port($port) {
|
|
489
|
$tmpports = explode(":", $port);
|
|
490
|
foreach($tmpports as $tmpport) {
|
|
491
|
if (getservbyname($tmpport, "tcp") || getservbyname($tmpport, "udp"))
|
|
492
|
continue;
|
|
493
|
if (!ctype_digit($tmpport))
|
|
494
|
return false;
|
|
495
|
else if ((intval($tmpport) < 1) || (intval($tmpport) > 65535))
|
|
496
|
return false;
|
|
497
|
}
|
|
498
|
return true;
|
|
499
|
}
|
|
500
|
|
|
501
|
/* returns true if $portrange is a valid TCP/UDP portrange ("<port>:<port>") */
|
|
502
|
function is_portrange($portrange) {
|
|
503
|
$ports = explode(":", $portrange);
|
|
504
|
|
|
505
|
if(count($ports) == 2 && is_port($ports[0]) && is_port($ports[1]))
|
|
506
|
return true;
|
|
507
|
else
|
|
508
|
return false;
|
|
509
|
}
|
|
510
|
|
|
511
|
/* returns true if $port is a valid port number or an alias thereof */
|
|
512
|
function is_portoralias($port) {
|
|
513
|
global $config;
|
|
514
|
|
|
515
|
if (is_alias($port)) {
|
|
516
|
if (is_array($config['aliases']['alias'])) {
|
|
517
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
518
|
if ($alias['name'] == $port && $alias['type'] == "port")
|
|
519
|
return true;
|
|
520
|
}
|
|
521
|
}
|
|
522
|
return false;
|
|
523
|
} else
|
|
524
|
return is_port($port);
|
|
525
|
}
|
|
526
|
|
|
527
|
/* returns true if $val is a valid shaper bandwidth value */
|
|
528
|
function is_valid_shaperbw($val) {
|
|
529
|
return (preg_match("/^(\d+(?:\.\d+)?)([MKG]?b|%)$/", $val));
|
|
530
|
}
|
|
531
|
|
|
532
|
/* return the configured carp interface list */
|
|
533
|
function get_configured_carp_interface_list() {
|
|
534
|
global $config;
|
|
535
|
|
|
536
|
$iflist = array();
|
|
537
|
|
|
538
|
if(is_array($config['virtualip']['vip'])) {
|
|
539
|
$viparr = &$config['virtualip']['vip'];
|
|
540
|
foreach ($viparr as $vip) {
|
|
541
|
switch ($vip['mode']) {
|
|
542
|
case "carp":
|
|
543
|
case "carpdev-dhcp":
|
|
544
|
$vipif = "vip" . $vip['vhid'];
|
|
545
|
$iflist[$vipif] = $vip['subnet'];
|
|
546
|
break;
|
|
547
|
}
|
|
548
|
}
|
|
549
|
}
|
|
550
|
|
|
551
|
return $iflist;
|
|
552
|
}
|
|
553
|
|
|
554
|
/* return the configured IP aliases list */
|
|
555
|
function get_configured_ip_aliases_list() {
|
|
556
|
global $config;
|
|
557
|
|
|
558
|
$alias_list=array();
|
|
559
|
|
|
560
|
if(is_array($config['virtualip']['vip'])) {
|
|
561
|
$viparr = &$config['virtualip']['vip'];
|
|
562
|
foreach ($viparr as $vip) {
|
|
563
|
if ($vip['mode']=="ipalias") {
|
|
564
|
$alias_list[$vip['subnet']] = $vip['interface'];
|
|
565
|
}
|
|
566
|
}
|
|
567
|
}
|
|
568
|
|
|
569
|
return $alias_list;
|
|
570
|
}
|
|
571
|
|
|
572
|
|
|
573
|
/* comparison function for sorting by the order in which interfaces are normally created */
|
|
574
|
function compare_interface_friendly_names($a, $b) {
|
|
575
|
if ($a == $b)
|
|
576
|
return 0;
|
|
577
|
else if ($a == 'wan')
|
|
578
|
return -1;
|
|
579
|
else if ($b == 'wan')
|
|
580
|
return 1;
|
|
581
|
else if ($a == 'lan')
|
|
582
|
return -1;
|
|
583
|
else if ($b == 'lan')
|
|
584
|
return 1;
|
|
585
|
|
|
586
|
return strnatcmp($a, $b);
|
|
587
|
}
|
|
588
|
|
|
589
|
/* return the configured interfaces list. */
|
|
590
|
function get_configured_interface_list($only_opt = false, $withdisabled = false) {
|
|
591
|
global $config;
|
|
592
|
|
|
593
|
$iflist = array();
|
|
594
|
|
|
595
|
if(!is_array($config['interfaces']))
|
|
596
|
$config = parse_config(true);
|
|
597
|
|
|
598
|
/* if list */
|
|
599
|
foreach($config['interfaces'] as $if => $ifdetail) {
|
|
600
|
if ($only_opt && ($if == "wan" || $if == "lan"))
|
|
601
|
continue;
|
|
602
|
if (isset($ifdetail['enable']) || $withdisabled == true)
|
|
603
|
$iflist[$if] = $if;
|
|
604
|
}
|
|
605
|
|
|
606
|
return $iflist;
|
|
607
|
}
|
|
608
|
|
|
609
|
/* return the configured interfaces list. */
|
|
610
|
function get_configured_interface_list_by_realif($only_opt = false, $withdisabled = false) {
|
|
611
|
global $config;
|
|
612
|
|
|
613
|
$iflist = array();
|
|
614
|
|
|
615
|
/* if list */
|
|
616
|
foreach($config['interfaces'] as $if => $ifdetail) {
|
|
617
|
if ($only_opt && ($if == "wan" || $if == "lan"))
|
|
618
|
continue;
|
|
619
|
if (isset($ifdetail['enable']) || $withdisabled == true) {
|
|
620
|
$tmpif = get_real_interface($if);
|
|
621
|
if (!empty($tmpif))
|
|
622
|
$iflist[$tmpif] = $if;
|
|
623
|
}
|
|
624
|
}
|
|
625
|
|
|
626
|
return $iflist;
|
|
627
|
}
|
|
628
|
|
|
629
|
/* return the configured interfaces list with their description. */
|
|
630
|
function get_configured_interface_with_descr($only_opt = false, $withdisabled = false) {
|
|
631
|
global $config;
|
|
632
|
|
|
633
|
$iflist = array();
|
|
634
|
|
|
635
|
/* if list */
|
|
636
|
foreach($config['interfaces'] as $if => $ifdetail) {
|
|
637
|
if ($only_opt && ($if == "wan" || $if == "lan"))
|
|
638
|
continue;
|
|
639
|
if (isset($ifdetail['enable']) || $withdisabled == true) {
|
|
640
|
if(empty($ifdetail['descr']))
|
|
641
|
$iflist[$if] = strtoupper($if);
|
|
642
|
else
|
|
643
|
$iflist[$if] = strtoupper($ifdetail['descr']);
|
|
644
|
}
|
|
645
|
}
|
|
646
|
|
|
647
|
return $iflist;
|
|
648
|
}
|
|
649
|
|
|
650
|
/*
|
|
651
|
* get_configured_ip_addresses() - Return a list of all configured
|
|
652
|
* interfaces IP Addresses
|
|
653
|
*
|
|
654
|
*/
|
|
655
|
function get_configured_ip_addresses() {
|
|
656
|
require_once("interfaces.inc");
|
|
657
|
$ip_array = array();
|
|
658
|
$interfaces = get_configured_interface_list();
|
|
659
|
if(is_array($interfaces)) {
|
|
660
|
foreach($interfaces as $int) {
|
|
661
|
$ipaddr = get_interface_ip($int);
|
|
662
|
$ip_array[$int] = $ipaddr;
|
|
663
|
}
|
|
664
|
}
|
|
665
|
$interfaces = get_configured_carp_interface_list();
|
|
666
|
if(is_array($interfaces))
|
|
667
|
foreach($interfaces as $int => $ipaddr)
|
|
668
|
$ip_array[$int] = $ipaddr;
|
|
669
|
return $ip_array;
|
|
670
|
}
|
|
671
|
|
|
672
|
/*
|
|
673
|
* get_interface_list() - Return a list of all physical interfaces
|
|
674
|
* along with MAC and status.
|
|
675
|
*
|
|
676
|
* $mode = "active" - use ifconfig -lu
|
|
677
|
* "media" - use ifconfig to check physical connection
|
|
678
|
* status (much slower)
|
|
679
|
*/
|
|
680
|
function get_interface_list($mode = "active", $keyby = "physical", $vfaces = "") {
|
|
681
|
global $config;
|
|
682
|
$upints = array();
|
|
683
|
/* get a list of virtual interface types */
|
|
684
|
if(!$vfaces) {
|
|
685
|
$vfaces = array (
|
|
686
|
'bridge',
|
|
687
|
'ppp',
|
|
688
|
'pppoe',
|
|
689
|
'pptp',
|
|
690
|
'l2tp',
|
|
691
|
'sl',
|
|
692
|
'gif',
|
|
693
|
'gre',
|
|
694
|
'faith',
|
|
695
|
'lo',
|
|
696
|
'ng',
|
|
697
|
'_vlan',
|
|
698
|
'_wlan',
|
|
699
|
'pflog',
|
|
700
|
'plip',
|
|
701
|
'pfsync',
|
|
702
|
'enc',
|
|
703
|
'tun',
|
|
704
|
'carp',
|
|
705
|
'lagg',
|
|
706
|
'vip',
|
|
707
|
'ipfw'
|
|
708
|
);
|
|
709
|
}
|
|
710
|
switch($mode) {
|
|
711
|
case "active":
|
|
712
|
$upints = explode(" ", trim(shell_exec("/sbin/ifconfig -lu")));
|
|
713
|
break;
|
|
714
|
case "media":
|
|
715
|
$intlist = explode(" ", trim(shell_exec("/sbin/ifconfig -l")));
|
|
716
|
$ifconfig = "";
|
|
717
|
exec("/sbin/ifconfig -a", $ifconfig);
|
|
718
|
$regexp = '/(' . implode('|', $intlist) . '):\s/';
|
|
719
|
$ifstatus = preg_grep('/status:/', $ifconfig);
|
|
720
|
foreach($ifstatus as $status) {
|
|
721
|
$int = array_shift($intlist);
|
|
722
|
if(stristr($status, "active")) $upints[] = $int;
|
|
723
|
}
|
|
724
|
break;
|
|
725
|
default:
|
|
726
|
$upints = explode(" ", trim(shell_exec("/sbin/ifconfig -l")));
|
|
727
|
break;
|
|
728
|
}
|
|
729
|
/* build interface list with netstat */
|
|
730
|
$linkinfo = "";
|
|
731
|
exec("/usr/bin/netstat -inW -f link | awk '{ print $1, $4 }'", $linkinfo);
|
|
732
|
array_shift($linkinfo);
|
|
733
|
/* build ip address list with netstat */
|
|
734
|
$ipinfo = "";
|
|
735
|
exec("/usr/bin/netstat -inW -f inet | awk '{ print $1, $4 }'", $ipinfo);
|
|
736
|
array_shift($ipinfo);
|
|
737
|
foreach($linkinfo as $link) {
|
|
738
|
$friendly = "";
|
|
739
|
$alink = explode(" ", $link);
|
|
740
|
$ifname = rtrim(trim($alink[0]), '*');
|
|
741
|
/* trim out all numbers before checking for vfaces */
|
|
742
|
if (!in_array(array_shift(preg_split('/\d/', $ifname)), $vfaces) &&
|
|
743
|
!stristr($ifname, "_vlan") && !stristr($ifname, "_wlan")) {
|
|
744
|
$toput = array(
|
|
745
|
"mac" => trim($alink[1]),
|
|
746
|
"up" => in_array($ifname, $upints)
|
|
747
|
);
|
|
748
|
foreach($ipinfo as $ip) {
|
|
749
|
$aip = explode(" ", $ip);
|
|
750
|
if($aip[0] == $ifname) {
|
|
751
|
$toput['ipaddr'] = $aip[1];
|
|
752
|
}
|
|
753
|
}
|
|
754
|
if (is_array($config['interfaces'])) {
|
|
755
|
foreach($config['interfaces'] as $name => $int)
|
|
756
|
if($int['if'] == $ifname) $friendly = $name;
|
|
757
|
}
|
|
758
|
switch($keyby) {
|
|
759
|
case "physical":
|
|
760
|
if($friendly != "") {
|
|
761
|
$toput['friendly'] = $friendly;
|
|
762
|
}
|
|
763
|
$dmesg_arr = array();
|
|
764
|
exec("/sbin/dmesg |grep $ifname | head -n1", $dmesg_arr);
|
|
765
|
preg_match_all("/<(.*?)>/i", $dmesg_arr[0], $dmesg);
|
|
766
|
$toput['dmesg'] = $dmesg[1][0];
|
|
767
|
$iflist[$ifname] = $toput;
|
|
768
|
break;
|
|
769
|
case "ppp":
|
|
770
|
|
|
771
|
case "friendly":
|
|
772
|
if($friendly != "") {
|
|
773
|
$toput['if'] = $ifname;
|
|
774
|
$iflist[$friendly] = $toput;
|
|
775
|
}
|
|
776
|
break;
|
|
777
|
}
|
|
778
|
}
|
|
779
|
}
|
|
780
|
return $iflist;
|
|
781
|
}
|
|
782
|
|
|
783
|
/****f* util/log_error
|
|
784
|
* NAME
|
|
785
|
* log_error - Sends a string to syslog.
|
|
786
|
* INPUTS
|
|
787
|
* $error - string containing the syslog message.
|
|
788
|
* RESULT
|
|
789
|
* null
|
|
790
|
******/
|
|
791
|
function log_error($error) {
|
|
792
|
global $g;
|
|
793
|
$page = $_SERVER['SCRIPT_NAME'];
|
|
794
|
syslog(LOG_WARNING, "$page: $error");
|
|
795
|
if ($g['debug'])
|
|
796
|
syslog(LOG_WARNING, var_dump(debug_backtrace()));
|
|
797
|
return;
|
|
798
|
}
|
|
799
|
|
|
800
|
/****f* util/log_auth
|
|
801
|
* NAME
|
|
802
|
* log_error - Sends a string to syslog as LOG_AUTH facility
|
|
803
|
* INPUTS
|
|
804
|
* $error - string containing the syslog message.
|
|
805
|
* RESULT
|
|
806
|
* null
|
|
807
|
******/
|
|
808
|
function log_auth($error) {
|
|
809
|
global $g;
|
|
810
|
$page = $_SERVER['SCRIPT_NAME'];
|
|
811
|
syslog(LOG_AUTH, "$page: $error");
|
|
812
|
if ($g['debug'])
|
|
813
|
syslog(LOG_WARNING, var_dump(debug_backtrace()));
|
|
814
|
return;
|
|
815
|
}
|
|
816
|
|
|
817
|
/****f* util/exec_command
|
|
818
|
* NAME
|
|
819
|
* exec_command - Execute a command and return a string of the result.
|
|
820
|
* INPUTS
|
|
821
|
* $command - String of the command to be executed.
|
|
822
|
* RESULT
|
|
823
|
* String containing the command's result.
|
|
824
|
* NOTES
|
|
825
|
* This function returns the command's stdout and stderr.
|
|
826
|
******/
|
|
827
|
function exec_command($command) {
|
|
828
|
$output = array();
|
|
829
|
exec($command . ' 2>&1 ', $output);
|
|
830
|
return(implode("\n", $output));
|
|
831
|
}
|
|
832
|
|
|
833
|
/* wrapper for exec() */
|
|
834
|
function mwexec($command, $mute = false) {
|
|
835
|
global $g;
|
|
836
|
|
|
837
|
if ($g['debug']) {
|
|
838
|
if (!$_SERVER['REMOTE_ADDR'])
|
|
839
|
echo "mwexec(): $command\n";
|
|
840
|
}
|
|
841
|
$oarr = array();
|
|
842
|
$retval = 0;
|
|
843
|
$garbage = exec("$command 2>&1", $oarr, $retval);
|
|
844
|
|
|
845
|
if(isset($config['system']['developerspew']))
|
|
846
|
$mute = false;
|
|
847
|
if(($retval <> 0) && ($mute === false)) {
|
|
848
|
$output = implode(" ", $oarr);
|
|
849
|
log_error("The command '$command' returned exit code '$retval', the output was '$output' ");
|
|
850
|
}
|
|
851
|
return $retval;
|
|
852
|
}
|
|
853
|
|
|
854
|
/* wrapper for exec() in background */
|
|
855
|
function mwexec_bg($command) {
|
|
856
|
global $g;
|
|
857
|
|
|
858
|
if ($g['debug']) {
|
|
859
|
if (!$_SERVER['REMOTE_ADDR'])
|
|
860
|
echo "mwexec(): $command\n";
|
|
861
|
}
|
|
862
|
|
|
863
|
exec("nohup $command > /dev/null 2>&1 &");
|
|
864
|
}
|
|
865
|
|
|
866
|
/* unlink a file, if it exists */
|
|
867
|
function unlink_if_exists($fn) {
|
|
868
|
$to_do = glob($fn);
|
|
869
|
if(is_array($to_do)) {
|
|
870
|
foreach($to_do as $filename)
|
|
871
|
@unlink($filename);
|
|
872
|
} else {
|
|
873
|
@unlink($fn);
|
|
874
|
}
|
|
875
|
}
|
|
876
|
/* make a global alias table (for faster lookups) */
|
|
877
|
function alias_make_table($config) {
|
|
878
|
global $aliastable;
|
|
879
|
|
|
880
|
$aliastable = array();
|
|
881
|
|
|
882
|
if (is_array($config['aliases']['alias'])) {
|
|
883
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
884
|
if ($alias['name'])
|
|
885
|
$aliastable[$alias['name']] = $alias['address'];
|
|
886
|
}
|
|
887
|
}
|
|
888
|
}
|
|
889
|
/* check if an alias exists */
|
|
890
|
function is_alias($name) {
|
|
891
|
global $aliastable;
|
|
892
|
|
|
893
|
return isset($aliastable[$name]);
|
|
894
|
}
|
|
895
|
|
|
896
|
/* expand a host or network alias, if necessary */
|
|
897
|
function alias_expand($name) {
|
|
898
|
global $aliastable;
|
|
899
|
|
|
900
|
if (isset($aliastable[$name]))
|
|
901
|
return "\${$name}";
|
|
902
|
else if (is_ipaddr($name) || is_subnet($name) || is_port($name))
|
|
903
|
return "{$name}";
|
|
904
|
else
|
|
905
|
return null;
|
|
906
|
}
|
|
907
|
|
|
908
|
function alias_expand_urltable($name) {
|
|
909
|
global $config;
|
|
910
|
$urltable_prefix = "/var/db/aliastables/";
|
|
911
|
$urltable_filename = $urltable_prefix . $name . ".txt";
|
|
912
|
|
|
913
|
foreach ($config['aliases']['alias'] as $alias) {
|
|
914
|
if (($alias['type'] == 'urltable') && ($alias['name'] == $name)) {
|
|
915
|
if (is_URL($alias["url"]) && file_exists($urltable_filename) && filesize($urltable_filename))
|
|
916
|
return $urltable_filename;
|
|
917
|
else if (process_alias_urltable($name, $alias["url"], 0, true))
|
|
918
|
return $urltable_filename;
|
|
919
|
}
|
|
920
|
}
|
|
921
|
return null;
|
|
922
|
}
|
|
923
|
|
|
924
|
/* find out whether two subnets overlap */
|
|
925
|
function check_subnets_overlap($subnet1, $bits1, $subnet2, $bits2) {
|
|
926
|
|
|
927
|
if (!is_numeric($bits1))
|
|
928
|
$bits1 = 32;
|
|
929
|
if (!is_numeric($bits2))
|
|
930
|
$bits2 = 32;
|
|
931
|
|
|
932
|
if ($bits1 < $bits2)
|
|
933
|
$relbits = $bits1;
|
|
934
|
else
|
|
935
|
$relbits = $bits2;
|
|
936
|
|
|
937
|
$sn1 = gen_subnet_mask_long($relbits) & ip2long($subnet1);
|
|
938
|
$sn2 = gen_subnet_mask_long($relbits) & ip2long($subnet2);
|
|
939
|
|
|
940
|
if ($sn1 == $sn2)
|
|
941
|
return true;
|
|
942
|
else
|
|
943
|
return false;
|
|
944
|
}
|
|
945
|
|
|
946
|
/* compare two IP addresses */
|
|
947
|
function ipcmp($a, $b) {
|
|
948
|
if (ip_less_than($a, $b))
|
|
949
|
return -1;
|
|
950
|
else if (ip_greater_than($a, $b))
|
|
951
|
return 1;
|
|
952
|
else
|
|
953
|
return 0;
|
|
954
|
}
|
|
955
|
|
|
956
|
/* return true if $addr is in $subnet, false if not */
|
|
957
|
function ip_in_subnet($addr,$subnet) {
|
|
958
|
list($ip, $mask) = explode('/', $subnet);
|
|
959
|
$mask = (0xffffffff << (32 - $mask)) & 0xffffffff;
|
|
960
|
return ((ip2long($addr) & $mask) == (ip2long($ip) & $mask));
|
|
961
|
}
|
|
962
|
|
|
963
|
/* verify (and remove) the digital signature on a file - returns 0 if OK */
|
|
964
|
function verify_digital_signature($fname) {
|
|
965
|
global $g;
|
|
966
|
|
|
967
|
if(!file_exists("/usr/local/sbin/gzsig"))
|
|
968
|
return 4;
|
|
969
|
|
|
970
|
return mwexec("/usr/local/sbin/gzsig verify {$g['etc_path']}/pubkey.pem < " . escapeshellarg($fname));
|
|
971
|
}
|
|
972
|
|
|
973
|
/* obtain MAC address given an IP address by looking at the ARP table */
|
|
974
|
function arp_get_mac_by_ip($ip) {
|
|
975
|
mwexec("/sbin/ping -c 1 -t 1 {$ip}", true);
|
|
976
|
$arpoutput = "";
|
|
977
|
exec("/usr/sbin/arp -n {$ip}", $arpoutput);
|
|
978
|
|
|
979
|
if ($arpoutput[0]) {
|
|
980
|
$arpi = explode(" ", $arpoutput[0]);
|
|
981
|
$macaddr = $arpi[3];
|
|
982
|
if (is_macaddr($macaddr))
|
|
983
|
return $macaddr;
|
|
984
|
else
|
|
985
|
return false;
|
|
986
|
}
|
|
987
|
|
|
988
|
return false;
|
|
989
|
}
|
|
990
|
|
|
991
|
/* return a fieldname that is safe for xml usage */
|
|
992
|
function xml_safe_fieldname($fieldname) {
|
|
993
|
$replace = array('/', '-', ' ', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')',
|
|
994
|
'_', '+', '=', '{', '}', '[', ']', '|', '/', '<', '>', '?',
|
|
995
|
':', ',', '.', '\'', '\\'
|
|
996
|
);
|
|
997
|
return strtolower(str_replace($replace, "", $fieldname));
|
|
998
|
}
|
|
999
|
|
|
1000
|
function mac_format($clientmac) {
|
|
1001
|
$mac =explode(":", $clientmac);
|
|
1002
|
|
|
1003
|
global $config;
|
|
1004
|
|
|
1005
|
$mac_format = $config['captiveportal']['radmac_format'] ? $config['captiveportal']['radmac_format'] : false;
|
|
1006
|
|
|
1007
|
switch($mac_format) {
|
|
1008
|
|
|
1009
|
case 'singledash':
|
|
1010
|
return "$mac[0]$mac[1]$mac[2]-$mac[3]$mac[4]$mac[5]";
|
|
1011
|
|
|
1012
|
case 'ietf':
|
|
1013
|
return "$mac[0]-$mac[1]-$mac[2]-$mac[3]-$mac[4]-$mac[5]";
|
|
1014
|
|
|
1015
|
case 'cisco':
|
|
1016
|
return "$mac[0]$mac[1].$mac[2]$mac[3].$mac[4]$mac[5]";
|
|
1017
|
|
|
1018
|
case 'unformatted':
|
|
1019
|
return "$mac[0]$mac[1]$mac[2]$mac[3]$mac[4]$mac[5]";
|
|
1020
|
|
|
1021
|
default:
|
|
1022
|
return $clientmac;
|
|
1023
|
}
|
|
1024
|
}
|
|
1025
|
|
|
1026
|
function resolve_retry($hostname, $retries = 5) {
|
|
1027
|
|
|
1028
|
if (is_ipaddr($hostname))
|
|
1029
|
return $hostname;
|
|
1030
|
|
|
1031
|
for ($i = 0; $i < $retries; $i++) {
|
|
1032
|
$ip = gethostbyname($hostname);
|
|
1033
|
|
|
1034
|
if ($ip && $ip != $hostname) {
|
|
1035
|
/* success */
|
|
1036
|
return $ip;
|
|
1037
|
}
|
|
1038
|
|
|
1039
|
sleep(1);
|
|
1040
|
}
|
|
1041
|
|
|
1042
|
return false;
|
|
1043
|
}
|
|
1044
|
|
|
1045
|
function format_bytes($bytes) {
|
|
1046
|
if ($bytes >= 1073741824) {
|
|
1047
|
return sprintf("%.2f GB", $bytes/1073741824);
|
|
1048
|
} else if ($bytes >= 1048576) {
|
|
1049
|
return sprintf("%.2f MB", $bytes/1048576);
|
|
1050
|
} else if ($bytes >= 1024) {
|
|
1051
|
return sprintf("%.0f KB", $bytes/1024);
|
|
1052
|
} else {
|
|
1053
|
return sprintf("%d bytes", $bytes);
|
|
1054
|
}
|
|
1055
|
}
|
|
1056
|
|
|
1057
|
function update_filter_reload_status($text) {
|
|
1058
|
global $g;
|
|
1059
|
|
|
1060
|
file_put_contents("{$g['varrun_path']}/filter_reload_status", $text);
|
|
1061
|
}
|
|
1062
|
|
|
1063
|
/****f* util/return_dir_as_array
|
|
1064
|
* NAME
|
|
1065
|
* return_dir_as_array - Return a directory's contents as an array.
|
|
1066
|
* INPUTS
|
|
1067
|
* $dir - string containing the path to the desired directory.
|
|
1068
|
* RESULT
|
|
1069
|
* $dir_array - array containing the directory's contents. This array will be empty if the path specified is invalid.
|
|
1070
|
******/
|
|
1071
|
function return_dir_as_array($dir) {
|
|
1072
|
$dir_array = array();
|
|
1073
|
if (is_dir($dir)) {
|
|
1074
|
if ($dh = opendir($dir)) {
|
|
1075
|
while (($file = readdir($dh)) !== false) {
|
|
1076
|
$canadd = 0;
|
|
1077
|
if($file == ".") $canadd = 1;
|
|
1078
|
if($file == "..") $canadd = 1;
|
|
1079
|
if($canadd == 0)
|
|
1080
|
array_push($dir_array, $file);
|
|
1081
|
}
|
|
1082
|
closedir($dh);
|
|
1083
|
}
|
|
1084
|
}
|
|
1085
|
return $dir_array;
|
|
1086
|
}
|
|
1087
|
|
|
1088
|
function run_plugins($directory) {
|
|
1089
|
global $config, $g;
|
|
1090
|
|
|
1091
|
/* process packager manager custom rules */
|
|
1092
|
$files = return_dir_as_array($directory);
|
|
1093
|
if (is_array($files)) {
|
|
1094
|
foreach ($files as $file) {
|
|
1095
|
if (stristr($file, ".sh") == true)
|
|
1096
|
mwexec($directory . $file . " start");
|
|
1097
|
else if (!is_dir($directory . "/" . $file) && stristr($file,".inc"))
|
|
1098
|
require_once($directory . "/" . $file);
|
|
1099
|
}
|
|
1100
|
}
|
|
1101
|
}
|
|
1102
|
|
|
1103
|
/*
|
|
1104
|
* safe_mkdir($path, $mode = 0755)
|
|
1105
|
* create directory if it doesn't already exist and isn't a file!
|
|
1106
|
*/
|
|
1107
|
function safe_mkdir($path, $mode=0755) {
|
|
1108
|
global $g;
|
|
1109
|
|
|
1110
|
if (!is_file($path) && !is_dir($path)) {
|
|
1111
|
return @mkdir($path, $mode, true);
|
|
1112
|
} else {
|
|
1113
|
return false;
|
|
1114
|
}
|
|
1115
|
}
|
|
1116
|
|
|
1117
|
/*
|
|
1118
|
* make_dirs($path, $mode = 0755)
|
|
1119
|
* create directory tree recursively (mkdir -p)
|
|
1120
|
*/
|
|
1121
|
function make_dirs($path, $mode = 0755) {
|
|
1122
|
$base = '';
|
|
1123
|
foreach (explode('/', $path) as $dir) {
|
|
1124
|
$base .= "/$dir";
|
|
1125
|
if (!is_dir($base)) {
|
|
1126
|
if (!@mkdir($base, $mode))
|
|
1127
|
return false;
|
|
1128
|
}
|
|
1129
|
}
|
|
1130
|
return true;
|
|
1131
|
}
|
|
1132
|
|
|
1133
|
/*
|
|
1134
|
* get_sysctl($names)
|
|
1135
|
* Get values of sysctl OID's listed in $names (accepts an array or a single
|
|
1136
|
* name) and return an array of key/value pairs set for those that exist
|
|
1137
|
*/
|
|
1138
|
function get_sysctl($names) {
|
|
1139
|
if (empty($names))
|
|
1140
|
return array();
|
|
1141
|
|
|
1142
|
if (is_array($names)) {
|
|
1143
|
$name_list = array();
|
|
1144
|
foreach ($names as $name) {
|
|
1145
|
$name_list[] = escapeshellarg($name);
|
|
1146
|
}
|
|
1147
|
} else
|
|
1148
|
$name_list = array(escapeshellarg($names));
|
|
1149
|
|
|
1150
|
exec("/sbin/sysctl -i " . implode(" ", $name_list), $output);
|
|
1151
|
$values = array();
|
|
1152
|
foreach ($output as $line) {
|
|
1153
|
$line = explode(": ", $line, 2);
|
|
1154
|
if (count($line) == 2)
|
|
1155
|
$values[$line[0]] = $line[1];
|
|
1156
|
}
|
|
1157
|
|
|
1158
|
return $values;
|
|
1159
|
}
|
|
1160
|
|
|
1161
|
/*
|
|
1162
|
* set_sysctl($value_list)
|
|
1163
|
* Set sysctl OID's listed as key/value pairs and return
|
|
1164
|
* an array with keys set for those that succeeded
|
|
1165
|
*/
|
|
1166
|
function set_sysctl($values) {
|
|
1167
|
if (empty($values))
|
|
1168
|
return array();
|
|
1169
|
|
|
1170
|
$value_list = array();
|
|
1171
|
foreach ($values as $key => $value) {
|
|
1172
|
$value_list[] = escapeshellarg($key) . "=" . escapeshellarg($value);
|
|
1173
|
}
|
|
1174
|
|
|
1175
|
exec("/sbin/sysctl -i " . implode(" ", $value_list), $output, $success);
|
|
1176
|
|
|
1177
|
/* Retry individually if failed (one or more read-only) */
|
|
1178
|
if ($success <> 0 && count($value_list) > 1) {
|
|
1179
|
foreach ($value_list as $value) {
|
|
1180
|
exec("/sbin/sysctl -i " . $value, $output);
|
|
1181
|
}
|
|
1182
|
}
|
|
1183
|
|
|
1184
|
$ret = array();
|
|
1185
|
foreach ($output as $line) {
|
|
1186
|
$line = explode(": ", $line, 2);
|
|
1187
|
if (count($line) == 2)
|
|
1188
|
$ret[$line[0]] = true;
|
|
1189
|
}
|
|
1190
|
|
|
1191
|
return $ret;
|
|
1192
|
}
|
|
1193
|
|
|
1194
|
/*
|
|
1195
|
* get_memory()
|
|
1196
|
* returns an array listing the amount of
|
|
1197
|
* memory installed in the hardware
|
|
1198
|
* [0]real and [1]available
|
|
1199
|
*/
|
|
1200
|
function get_memory() {
|
|
1201
|
$matches = "";
|
|
1202
|
if(file_exists("/var/log/dmesg.boot"))
|
|
1203
|
$mem = `cat /var/log/dmesg.boot | grep memory`;
|
|
1204
|
else
|
|
1205
|
$mem = `dmesg -a | grep memory`;
|
|
1206
|
if (preg_match_all("/avail memory.* \((.*)MB\)/", $mem, $matches))
|
|
1207
|
return array($matches[1][0], $matches[1][0]);
|
|
1208
|
if(!$real && !$avail) {
|
|
1209
|
$real = trim(`sysctl hw.physmem | cut -d' ' -f2`);
|
|
1210
|
$avail = trim(`sysctl hw.realmem | cut -d' ' -f2`);
|
|
1211
|
/* convert from bytes to megabytes */
|
|
1212
|
return array(($real/1048576),($avail/1048576));
|
|
1213
|
}
|
|
1214
|
}
|
|
1215
|
|
|
1216
|
function mute_kernel_msgs() {
|
|
1217
|
global $config;
|
|
1218
|
// Do not mute serial console. The kernel gets very very cranky
|
|
1219
|
// and will start dishing you cannot control tty errors.
|
|
1220
|
if(trim(file_get_contents("/etc/platform")) == "nanobsd")
|
|
1221
|
return;
|
|
1222
|
if($config['system']['enableserial'])
|
|
1223
|
return;
|
|
1224
|
exec("/sbin/conscontrol mute on");
|
|
1225
|
}
|
|
1226
|
|
|
1227
|
function unmute_kernel_msgs() {
|
|
1228
|
global $config;
|
|
1229
|
// Do not mute serial console. The kernel gets very very cranky
|
|
1230
|
// and will start dishing you cannot control tty errors.
|
|
1231
|
if(trim(file_get_contents("/etc/platform")) == "nanobsd")
|
|
1232
|
return;
|
|
1233
|
exec("/sbin/conscontrol mute off");
|
|
1234
|
}
|
|
1235
|
|
|
1236
|
function start_devd() {
|
|
1237
|
global $g;
|
|
1238
|
|
|
1239
|
exec("/sbin/devd");
|
|
1240
|
sleep(1);
|
|
1241
|
}
|
|
1242
|
|
|
1243
|
function is_interface_vlan_mismatch() {
|
|
1244
|
global $config, $g;
|
|
1245
|
|
|
1246
|
if (is_array($config['vlans']['vlan'])) {
|
|
1247
|
foreach ($config['vlans']['vlan'] as $vlan) {
|
|
1248
|
if (does_interface_exist($vlan['if']) == false)
|
|
1249
|
return true;
|
|
1250
|
}
|
|
1251
|
}
|
|
1252
|
|
|
1253
|
return false;
|
|
1254
|
}
|
|
1255
|
|
|
1256
|
function is_interface_mismatch() {
|
|
1257
|
global $config, $g;
|
|
1258
|
|
|
1259
|
$do_assign = false;
|
|
1260
|
$i = 0;
|
|
1261
|
if (is_array($config['interfaces'])) {
|
|
1262
|
foreach ($config['interfaces'] as $ifname => $ifcfg) {
|
|
1263
|
if (preg_match("/^enc|^cua|^tun|^l2tp|^pptp|^ppp|^ovpn|^gif|^gre|^lagg|^bridge|vlan|_wlan/i", $ifcfg['if'])) {
|
|
1264
|
// Do not check these interfaces.
|
|
1265
|
$i++;
|
|
1266
|
continue;
|
|
1267
|
}
|
|
1268
|
else if (does_interface_exist($ifcfg['if']) == false) {
|
|
1269
|
$do_assign = true;
|
|
1270
|
} else
|
|
1271
|
$i++;
|
|
1272
|
}
|
|
1273
|
}
|
|
1274
|
|
|
1275
|
if ($g['minimum_nic_count'] > $i) {
|
|
1276
|
$do_assign = true;
|
|
1277
|
} else if (file_exists("{$g['tmp_path']}/assign_complete"))
|
|
1278
|
$do_assign = false;
|
|
1279
|
|
|
1280
|
return $do_assign;
|
|
1281
|
}
|
|
1282
|
|
|
1283
|
/* sync carp entries to other firewalls */
|
|
1284
|
function carp_sync_client() {
|
|
1285
|
global $g;
|
|
1286
|
send_event("filter sync");
|
|
1287
|
}
|
|
1288
|
|
|
1289
|
/****f* util/isAjax
|
|
1290
|
* NAME
|
|
1291
|
* isAjax - reports if the request is driven from prototype
|
|
1292
|
* INPUTS
|
|
1293
|
* none
|
|
1294
|
* RESULT
|
|
1295
|
* true/false
|
|
1296
|
******/
|
|
1297
|
function isAjax() {
|
|
1298
|
return isset ($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest';
|
|
1299
|
}
|
|
1300
|
|
|
1301
|
/****f* util/timeout
|
|
1302
|
* NAME
|
|
1303
|
* timeout - console input with timeout countdown. Note: erases 2 char of screen for timer. Leave space.
|
|
1304
|
* INPUTS
|
|
1305
|
* optional, seconds to wait before timeout. Default 9 seconds.
|
|
1306
|
* RESULT
|
|
1307
|
* returns 1 char of user input or null if no input.
|
|
1308
|
******/
|
|
1309
|
function timeout($timer = 9) {
|
|
1310
|
while(!isset($key)) {
|
|
1311
|
if ($timer >= 9) { echo chr(8) . chr(8) . ($timer==9 ? chr(32) : null) . "{$timer}"; }
|
|
1312
|
else { echo chr(8). "{$timer}"; }
|
|
1313
|
`/bin/stty -icanon min 0 time 25`;
|
|
1314
|
$key = trim(`KEY=\`dd count=1 2>/dev/null\`; echo \$KEY`);
|
|
1315
|
`/bin/stty icanon`;
|
|
1316
|
if ($key == '')
|
|
1317
|
unset($key);
|
|
1318
|
$timer--;
|
|
1319
|
if ($timer == 0)
|
|
1320
|
break;
|
|
1321
|
}
|
|
1322
|
return $key;
|
|
1323
|
}
|
|
1324
|
|
|
1325
|
/****f* util/msort
|
|
1326
|
* NAME
|
|
1327
|
* msort - sort array
|
|
1328
|
* INPUTS
|
|
1329
|
* $array to be sorted, field to sort by, direction of sort
|
|
1330
|
* RESULT
|
|
1331
|
* returns newly sorted array
|
|
1332
|
******/
|
|
1333
|
function msort($array, $id="id", $sort_ascending=true) {
|
|
1334
|
$temp_array = array();
|
|
1335
|
while(count($array)>0) {
|
|
1336
|
$lowest_id = 0;
|
|
1337
|
$index=0;
|
|
1338
|
foreach ($array as $item) {
|
|
1339
|
if (isset($item[$id])) {
|
|
1340
|
if ($array[$lowest_id][$id]) {
|
|
1341
|
if (strtolower($item[$id]) < strtolower($array[$lowest_id][$id])) {
|
|
1342
|
$lowest_id = $index;
|
|
1343
|
}
|
|
1344
|
}
|
|
1345
|
}
|
|
1346
|
$index++;
|
|
1347
|
}
|
|
1348
|
$temp_array[] = $array[$lowest_id];
|
|
1349
|
$array = array_merge(array_slice($array, 0,$lowest_id), array_slice($array, $lowest_id+1));
|
|
1350
|
}
|
|
1351
|
if ($sort_ascending) {
|
|
1352
|
return $temp_array;
|
|
1353
|
} else {
|
|
1354
|
return array_reverse($temp_array);
|
|
1355
|
}
|
|
1356
|
}
|
|
1357
|
|
|
1358
|
/****f* util/color
|
|
1359
|
* NAME
|
|
1360
|
* color - outputs a color code to the ansi terminal if supported
|
|
1361
|
* INPUTS
|
|
1362
|
* color code or color name
|
|
1363
|
* RESULT
|
|
1364
|
* Outputs the ansi color sequence for the color specified. Default resets terminal.
|
|
1365
|
******/
|
|
1366
|
function color($color = "0m") {
|
|
1367
|
/*
|
|
1368
|
Color codes available:
|
|
1369
|
0m reset; clears all colors and styles (to white on black)
|
|
1370
|
1m bold on (see below)
|
|
1371
|
3m italics on
|
|
1372
|
4m underline on
|
|
1373
|
7m inverse on; reverses foreground & background colors
|
|
1374
|
9m strikethrough on
|
|
1375
|
22m bold off (see below)
|
|
1376
|
23m italics off
|
|
1377
|
24m underline off
|
|
1378
|
27m inverse off
|
|
1379
|
29m strikethrough off
|
|
1380
|
30m set foreground color to black
|
|
1381
|
31m set foreground color to red
|
|
1382
|
32m set foreground color to green
|
|
1383
|
33m set foreground color to yellow
|
|
1384
|
34m set foreground color to blue
|
|
1385
|
35m set foreground color to magenta (purple)
|
|
1386
|
36m set foreground color to cyan
|
|
1387
|
37m set foreground color to white
|
|
1388
|
40m set background color to black
|
|
1389
|
41m set background color to red
|
|
1390
|
42m set background color to green
|
|
1391
|
43m set background color to yellow
|
|
1392
|
44m set background color to blue
|
|
1393
|
45m set background color to magenta (purple)
|
|
1394
|
46m set background color to cyan
|
|
1395
|
47m set background color to white
|
|
1396
|
49m set background color to default (black)
|
|
1397
|
*/
|
|
1398
|
// Allow caching of TERM to
|
|
1399
|
// speedup subequence requests.
|
|
1400
|
global $TERM;
|
|
1401
|
if(!$TERM)
|
|
1402
|
$TERM=`/usr/bin/env | grep color`;
|
|
1403
|
if(!$TERM)
|
|
1404
|
$TERM=`/usr/bin/env | grep cons25`;
|
|
1405
|
if($TERM) {
|
|
1406
|
$ESCAPE=chr(27);
|
|
1407
|
switch ($color) {
|
|
1408
|
case "black":
|
|
1409
|
return "{$ESCAPE}[30m";
|
|
1410
|
case "red":
|
|
1411
|
return "{$ESCAPE}[31m";
|
|
1412
|
case "green":
|
|
1413
|
return "{$ESCAPE}[32m";
|
|
1414
|
case "yellow":
|
|
1415
|
return "{$ESCAPE}[33m";
|
|
1416
|
case "blue":
|
|
1417
|
return "{$ESCAPE}[34m";
|
|
1418
|
case "magenta":
|
|
1419
|
return "{$ESCAPE}[35m";
|
|
1420
|
case "cyan":
|
|
1421
|
return "{$ESCAPE}[36m";
|
|
1422
|
case "white":
|
|
1423
|
return "{$ESCAPE}[37m";
|
|
1424
|
case "default":
|
|
1425
|
return "{$ESCAPE}[39m";
|
|
1426
|
}
|
|
1427
|
return "{$ESCAPE}[{$color}";
|
|
1428
|
}
|
|
1429
|
}
|
|
1430
|
|
|
1431
|
/****f* util/is_URL
|
|
1432
|
* NAME
|
|
1433
|
* is_URL
|
|
1434
|
* INPUTS
|
|
1435
|
* string to check
|
|
1436
|
* RESULT
|
|
1437
|
* Returns true if item is a URL
|
|
1438
|
******/
|
|
1439
|
function is_URL($url) {
|
|
1440
|
$match = preg_match("'\b(([\w-]+://?|www[.])[^\s()<>]+(?:\([\w\d]+\)|([^[:punct:]\s]|/)))'", $url);
|
|
1441
|
if($match)
|
|
1442
|
return true;
|
|
1443
|
return false;
|
|
1444
|
}
|
|
1445
|
|
|
1446
|
function is_file_included($file = "") {
|
|
1447
|
$files = get_included_files();
|
|
1448
|
if (in_array($file, $files))
|
|
1449
|
return true;
|
|
1450
|
|
|
1451
|
return false;
|
|
1452
|
}
|
|
1453
|
|
|
1454
|
/*
|
|
1455
|
This function was borrowed from a comment on PHP.net at the following URL:
|
|
1456
|
http://www.php.net/manual/en/function.array-merge-recursive.php#73843
|
|
1457
|
*/
|
|
1458
|
function array_merge_recursive_unique($array0, $array1) {
|
|
1459
|
|
|
1460
|
$arrays = func_get_args();
|
|
1461
|
$remains = $arrays;
|
|
1462
|
|
|
1463
|
// We walk through each arrays and put value in the results (without
|
|
1464
|
// considering previous value).
|
|
1465
|
$result = array();
|
|
1466
|
|
|
1467
|
// loop available array
|
|
1468
|
foreach($arrays as $array) {
|
|
1469
|
|
|
1470
|
// The first remaining array is $array. We are processing it. So
|
|
1471
|
// we remove it from remaing arrays.
|
|
1472
|
array_shift($remains);
|
|
1473
|
|
|
1474
|
// We don't care non array param, like array_merge since PHP 5.0.
|
|
1475
|
if(is_array($array)) {
|
|
1476
|
// Loop values
|
|
1477
|
foreach($array as $key => $value) {
|
|
1478
|
if(is_array($value)) {
|
|
1479
|
// we gather all remaining arrays that have such key available
|
|
1480
|
$args = array();
|
|
1481
|
foreach($remains as $remain) {
|
|
1482
|
if(array_key_exists($key, $remain)) {
|
|
1483
|
array_push($args, $remain[$key]);
|
|
1484
|
}
|
|
1485
|
}
|
|
1486
|
|
|
1487
|
if(count($args) > 2) {
|
|
1488
|
// put the recursion
|
|
1489
|
$result[$key] = call_user_func_array(__FUNCTION__, $args);
|
|
1490
|
} else {
|
|
1491
|
foreach($value as $vkey => $vval) {
|
|
1492
|
$result[$key][$vkey] = $vval;
|
|
1493
|
}
|
|
1494
|
}
|
|
1495
|
} else {
|
|
1496
|
// simply put the value
|
|
1497
|
$result[$key] = $value;
|
|
1498
|
}
|
|
1499
|
}
|
|
1500
|
}
|
|
1501
|
}
|
|
1502
|
return $result;
|
|
1503
|
}
|
|
1504
|
|
|
1505
|
?>
|