1 /**
2 * collectd - src/openvpn.c
3 * Copyright (C) 2008 Doug MacEachern
4 * Copyright (C) 2009,2010 Florian octo Forster
5 * Copyright (C) 2009 Marco Chiappero
6 * Copyright (C) 2009 Fabian Schuh
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; only version 2 of the License is applicable.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 *
21 * Authors:
22 * Doug MacEachern <dougm at hyperic.com>
23 * Florian octo Forster <octo at collectd.org>
24 * Marco Chiappero <marco at absence.it>
25 * Fabian Schuh <mail at xeroc.org>
26 **/
28 #include "collectd.h"
29 #include "common.h"
30 #include "plugin.h"
32 #define V1STRING "Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since\n"
33 #define V2STRING "HEADER,CLIENT_LIST,Common Name,Real Address,Virtual Address,Bytes Received,Bytes Sent,Connected Since,Connected Since (time_t)\n"
34 #define V3STRING "HEADER CLIENT_LIST Common Name Real Address Virtual Address Bytes Received Bytes Sent Connected Since Connected Since (time_t)\n"
35 #define V4STRING "HEADER,CLIENT_LIST,Common Name,Real Address,Virtual Address,Bytes Received,Bytes Sent,Connected Since,Connected Since (time_t),Username\n"
36 #define VSSTRING "OpenVPN STATISTICS\n"
39 struct vpn_status_s
40 {
41 char *file;
42 enum
43 {
44 MULTI1 = 1, /* status-version 1 */
45 MULTI2, /* status-version 2 */
46 MULTI3, /* status-version 3 */
47 MULTI4, /* status-version 4 */
48 SINGLE = 10 /* currently no versions for single mode, maybe in the future */
49 } version;
50 char *name;
51 };
52 typedef struct vpn_status_s vpn_status_t;
54 static vpn_status_t **vpn_list = NULL;
55 static int vpn_num = 0;
57 static _Bool new_naming_schema = 0;
58 static _Bool collect_compression = 1;
59 static _Bool collect_user_count = 0;
60 static _Bool collect_individual_users = 1;
62 static const char *config_keys[] =
63 {
64 "StatusFile",
65 "Compression", /* old, deprecated name */
66 "ImprovedNamingSchema",
67 "CollectCompression",
68 "CollectUserCount",
69 "CollectIndividualUsers"
70 };
71 static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
74 /* Helper function
75 * copy-n-pasted from common.c - changed delim to "," */
76 static int openvpn_strsplit (char *string, char **fields, size_t size)
77 {
78 size_t i;
79 char *ptr;
80 char *saveptr;
82 i = 0;
83 ptr = string;
84 saveptr = NULL;
85 while ((fields[i] = strtok_r (ptr, ",", &saveptr)) != NULL)
86 {
87 ptr = NULL;
88 i++;
90 if (i >= size)
91 break;
92 }
94 return (i);
95 } /* int openvpn_strsplit */
97 /* dispatches number of users */
98 static void numusers_submit (char *pinst, char *tinst, gauge_t value)
99 {
100 value_t values[1];
101 value_list_t vl = VALUE_LIST_INIT;
103 values[0].gauge = value;
105 vl.values = values;
106 vl.values_len = STATIC_ARRAY_SIZE (values);
107 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
108 sstrncpy (vl.plugin, "openvpn", sizeof (vl.plugin));
109 sstrncpy (vl.type, "users", sizeof (vl.type));
110 if (pinst != NULL)
111 sstrncpy (vl.plugin_instance, pinst, sizeof (vl.plugin_instance));
112 if (tinst != NULL)
113 sstrncpy (vl.type_instance, tinst, sizeof (vl.type_instance));
115 plugin_dispatch_values (&vl);
116 } /* void numusers_submit */
118 /* dispatches stats about traffic (TCP or UDP) generated by the tunnel per single endpoint */
119 static void iostats_submit (char *pinst, char *tinst, derive_t rx, derive_t tx)
120 {
121 value_t values[2];
122 value_list_t vl = VALUE_LIST_INIT;
124 values[0].derive = rx;
125 values[1].derive = tx;
127 /* NOTE ON THE NEW NAMING SCHEMA:
128 * using plugin_instance to identify each vpn config (and
129 * status) file; using type_instance to identify the endpoint
130 * host when in multimode, traffic or overhead when in single.
131 */
133 vl.values = values;
134 vl.values_len = STATIC_ARRAY_SIZE (values);
135 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
136 sstrncpy (vl.plugin, "openvpn", sizeof (vl.plugin));
137 if (pinst != NULL)
138 sstrncpy (vl.plugin_instance, pinst,
139 sizeof (vl.plugin_instance));
140 sstrncpy (vl.type, "if_octets", sizeof (vl.type));
141 if (tinst != NULL)
142 sstrncpy (vl.type_instance, tinst, sizeof (vl.type_instance));
144 plugin_dispatch_values (&vl);
145 } /* void traffic_submit */
147 /* dispatches stats about data compression shown when in single mode */
148 static void compression_submit (char *pinst, char *tinst,
149 derive_t uncompressed, derive_t compressed)
150 {
151 value_t values[2];
152 value_list_t vl = VALUE_LIST_INIT;
154 values[0].derive = uncompressed;
155 values[1].derive = compressed;
157 vl.values = values;
158 vl.values_len = STATIC_ARRAY_SIZE (values);
159 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
160 sstrncpy (vl.plugin, "openvpn", sizeof (vl.plugin));
161 if (pinst != NULL)
162 sstrncpy (vl.plugin_instance, pinst,
163 sizeof (vl.plugin_instance));
164 sstrncpy (vl.type, "compression", sizeof (vl.type));
165 if (tinst != NULL)
166 sstrncpy (vl.type_instance, tinst, sizeof (vl.type_instance));
168 plugin_dispatch_values (&vl);
169 } /* void compression_submit */
171 static int single_read (char *name, FILE *fh)
172 {
173 char buffer[1024];
174 char *fields[4];
175 const int max_fields = STATIC_ARRAY_SIZE (fields);
176 int fields_num, read = 0;
178 derive_t link_rx, link_tx;
179 derive_t tun_rx, tun_tx;
180 derive_t pre_compress, post_compress;
181 derive_t pre_decompress, post_decompress;
182 derive_t overhead_rx, overhead_tx;
184 link_rx = 0;
185 link_tx = 0;
186 tun_rx = 0;
187 tun_tx = 0;
188 pre_compress = 0;
189 post_compress = 0;
190 pre_decompress = 0;
191 post_decompress = 0;
193 while (fgets (buffer, sizeof (buffer), fh) != NULL)
194 {
195 fields_num = openvpn_strsplit (buffer, fields, max_fields);
197 /* status file is generated by openvpn/sig.c:print_status()
198 * http://svn.openvpn.net/projects/openvpn/trunk/openvpn/sig.c
199 *
200 * The line we're expecting has 2 fields. We ignore all lines
201 * with more or less fields.
202 */
203 if (fields_num != 2)
204 {
205 continue;
206 }
208 if (strcmp (fields[0], "TUN/TAP read bytes") == 0)
209 {
210 /* read from the system and sent over the tunnel */
211 tun_tx = atoll (fields[1]);
212 }
213 else if (strcmp (fields[0], "TUN/TAP write bytes") == 0)
214 {
215 /* read from the tunnel and written in the system */
216 tun_rx = atoll (fields[1]);
217 }
218 else if (strcmp (fields[0], "TCP/UDP read bytes") == 0)
219 {
220 link_rx = atoll (fields[1]);
221 }
222 else if (strcmp (fields[0], "TCP/UDP write bytes") == 0)
223 {
224 link_tx = atoll (fields[1]);
225 }
226 else if (strcmp (fields[0], "pre-compress bytes") == 0)
227 {
228 pre_compress = atoll (fields[1]);
229 }
230 else if (strcmp (fields[0], "post-compress bytes") == 0)
231 {
232 post_compress = atoll (fields[1]);
233 }
234 else if (strcmp (fields[0], "pre-decompress bytes") == 0)
235 {
236 pre_decompress = atoll (fields[1]);
237 }
238 else if (strcmp (fields[0], "post-decompress bytes") == 0)
239 {
240 post_decompress = atoll (fields[1]);
241 }
242 }
244 iostats_submit (name, "traffic", link_rx, link_tx);
246 /* we need to force this order to avoid negative values with these unsigned */
247 overhead_rx = (((link_rx - pre_decompress) + post_decompress) - tun_rx);
248 overhead_tx = (((link_tx - post_compress) + pre_compress) - tun_tx);
250 iostats_submit (name, "overhead", overhead_rx, overhead_tx);
252 if (collect_compression)
253 {
254 compression_submit (name, "data_in", post_decompress, pre_decompress);
255 compression_submit (name, "data_out", pre_compress, post_compress);
256 }
258 read = 1;
260 return (read);
261 } /* int single_read */
263 /* for reading status version 1 */
264 static int multi1_read (char *name, FILE *fh)
265 {
266 char buffer[1024];
267 char *fields[10];
268 int fields_num, found_header = 0;
269 long long sum_users = 0;
271 /* read the file until the "ROUTING TABLE" line is found (no more info after) */
272 while (fgets (buffer, sizeof (buffer), fh) != NULL)
273 {
274 if (strcmp (buffer, "ROUTING TABLE\n") == 0)
275 break;
277 if (strcmp (buffer, V1STRING) == 0)
278 {
279 found_header = 1;
280 continue;
281 }
283 /* skip the first lines until the client list section is found */
284 if (found_header == 0)
285 /* we can't start reading data until this string is found */
286 continue;
288 fields_num = openvpn_strsplit (buffer,
289 fields, STATIC_ARRAY_SIZE (fields));
290 if (fields_num < 4)
291 continue;
293 if (collect_user_count)
294 /* If so, sum all users, ignore the individuals*/
295 {
296 sum_users += 1;
297 }
298 if (collect_individual_users)
299 {
300 if (new_naming_schema)
301 {
302 iostats_submit (name, /* vpn instance */
303 fields[0], /* "Common Name" */
304 atoll (fields[2]), /* "Bytes Received" */
305 atoll (fields[3])); /* "Bytes Sent" */
306 }
307 else
308 {
309 iostats_submit (fields[0], /* "Common Name" */
310 NULL, /* unused when in multimode */
311 atoll (fields[2]), /* "Bytes Received" */
312 atoll (fields[3])); /* "Bytes Sent" */
313 }
314 }
315 }
317 if (ferror (fh))
318 return (0);
320 if (collect_user_count)
321 numusers_submit(name, name, sum_users);
323 return (1);
324 } /* int multi1_read */
326 /* for reading status version 2 */
327 static int multi2_read (char *name, FILE *fh)
328 {
329 char buffer[1024];
330 char *fields[10];
331 const int max_fields = STATIC_ARRAY_SIZE (fields);
332 int fields_num, read = 0;
333 long long sum_users = 0;
335 while (fgets (buffer, sizeof (buffer), fh) != NULL)
336 {
337 fields_num = openvpn_strsplit (buffer, fields, max_fields);
339 /* status file is generated by openvpn/multi.c:multi_print_status()
340 * http://svn.openvpn.net/projects/openvpn/trunk/openvpn/multi.c
341 *
342 * The line we're expecting has 8 fields. We ignore all lines
343 * with more or less fields.
344 */
345 if (fields_num != 8)
346 continue;
348 if (strcmp (fields[0], "CLIENT_LIST") != 0)
349 continue;
351 if (collect_user_count)
352 /* If so, sum all users, ignore the individuals*/
353 {
354 sum_users += 1;
355 }
356 if (collect_individual_users)
357 {
358 if (new_naming_schema)
359 {
360 /* plugin inst = file name, type inst = fields[1] */
361 iostats_submit (name, /* vpn instance */
362 fields[1], /* "Common Name" */
363 atoll (fields[4]), /* "Bytes Received" */
364 atoll (fields[5])); /* "Bytes Sent" */
365 }
366 else
367 {
368 /* plugin inst = fields[1], type inst = "" */
369 iostats_submit (fields[1], /* "Common Name" */
370 NULL, /* unused when in multimode */
371 atoll (fields[4]), /* "Bytes Received" */
372 atoll (fields[5])); /* "Bytes Sent" */
373 }
374 }
376 read = 1;
377 }
379 if (collect_user_count)
380 {
381 numusers_submit(name, name, sum_users);
382 read = 1;
383 }
385 return (read);
386 } /* int multi2_read */
388 /* for reading status version 3 */
389 static int multi3_read (char *name, FILE *fh)
390 {
391 char buffer[1024];
392 char *fields[15];
393 const int max_fields = STATIC_ARRAY_SIZE (fields);
394 int fields_num, read = 0;
395 long long sum_users = 0;
397 while (fgets (buffer, sizeof (buffer), fh) != NULL)
398 {
399 fields_num = strsplit (buffer, fields, max_fields);
401 /* status file is generated by openvpn/multi.c:multi_print_status()
402 * http://svn.openvpn.net/projects/openvpn/trunk/openvpn/multi.c
403 *
404 * The line we're expecting has 12 fields. We ignore all lines
405 * with more or less fields.
406 */
407 if (fields_num != 12)
408 {
409 continue;
410 }
411 else
412 {
413 if (strcmp (fields[0], "CLIENT_LIST") != 0)
414 continue;
416 if (collect_user_count)
417 /* If so, sum all users, ignore the individuals*/
418 {
419 sum_users += 1;
420 }
422 if (collect_individual_users)
423 {
424 if (new_naming_schema)
425 {
426 iostats_submit (name, /* vpn instance */
427 fields[1], /* "Common Name" */
428 atoll (fields[4]), /* "Bytes Received" */
429 atoll (fields[5])); /* "Bytes Sent" */
430 }
431 else
432 {
433 iostats_submit (fields[1], /* "Common Name" */
434 NULL, /* unused when in multimode */
435 atoll (fields[4]), /* "Bytes Received" */
436 atoll (fields[5])); /* "Bytes Sent" */
437 }
438 }
440 read = 1;
441 }
442 }
444 if (collect_user_count)
445 {
446 numusers_submit(name, name, sum_users);
447 read = 1;
448 }
450 return (read);
451 } /* int multi3_read */
453 /* for reading status version 4 */
454 static int multi4_read (char *name, FILE *fh)
455 {
456 char buffer[1024];
457 char *fields[11];
458 const int max_fields = STATIC_ARRAY_SIZE (fields);
459 int fields_num, read = 0;
460 long long sum_users = 0;
462 while (fgets (buffer, sizeof (buffer), fh) != NULL)
463 {
464 fields_num = openvpn_strsplit (buffer, fields, max_fields);
466 /* status file is generated by openvpn/multi.c:multi_print_status()
467 * http://svn.openvpn.net/projects/openvpn/trunk/openvpn/multi.c
468 *
469 * The line we're expecting has 9 fields. We ignore all lines
470 * with more or less fields.
471 */
472 if (fields_num != 9)
473 continue;
476 if (strcmp (fields[0], "CLIENT_LIST") != 0)
477 continue;
480 if (collect_user_count)
481 /* If so, sum all users, ignore the individuals*/
482 {
483 sum_users += 1;
484 }
485 if (collect_individual_users)
486 {
487 if (new_naming_schema)
488 {
489 /* plugin inst = file name, type inst = fields[1] */
490 iostats_submit (name, /* vpn instance */
491 fields[1], /* "Common Name" */
492 atoll (fields[4]), /* "Bytes Received" */
493 atoll (fields[5])); /* "Bytes Sent" */
494 }
495 else
496 {
497 /* plugin inst = fields[1], type inst = "" */
498 iostats_submit (fields[1], /* "Common Name" */
499 NULL, /* unused when in multimode */
500 atoll (fields[4]), /* "Bytes Received" */
501 atoll (fields[5])); /* "Bytes Sent" */
502 }
503 }
505 read = 1;
506 }
508 if (collect_user_count)
509 {
510 numusers_submit(name, name, sum_users);
511 read = 1;
512 }
514 return (read);
515 } /* int multi4_read */
517 /* read callback */
518 static int openvpn_read (void)
519 {
520 FILE *fh;
521 int i, read;
523 read = 0;
525 /* call the right read function for every status entry in the list */
526 for (i = 0; i < vpn_num; i++)
527 {
528 int vpn_read = 0;
530 fh = fopen (vpn_list[i]->file, "r");
531 if (fh == NULL)
532 {
533 char errbuf[1024];
534 WARNING ("openvpn plugin: fopen(%s) failed: %s", vpn_list[i]->file,
535 sstrerror (errno, errbuf, sizeof (errbuf)));
537 continue;
538 }
540 switch (vpn_list[i]->version)
541 {
542 case SINGLE:
543 vpn_read = single_read(vpn_list[i]->name, fh);
544 break;
546 case MULTI1:
547 vpn_read = multi1_read(vpn_list[i]->name, fh);
548 break;
550 case MULTI2:
551 vpn_read = multi2_read(vpn_list[i]->name, fh);
552 break;
554 case MULTI3:
555 vpn_read = multi3_read(vpn_list[i]->name, fh);
556 break;
558 case MULTI4:
559 vpn_read = multi4_read(vpn_list[i]->name, fh);
560 break;
561 }
563 fclose (fh);
564 read += vpn_read;
565 }
567 return (read ? 0 : -1);
568 } /* int openvpn_read */
570 static int version_detect (const char *filename)
571 {
572 FILE *fh;
573 char buffer[1024];
574 int version = 0;
576 /* Sanity checking. We're called from the config handling routine, so
577 * better play it save. */
578 if ((filename == NULL) || (*filename == 0))
579 return (0);
581 fh = fopen (filename, "r");
582 if (fh == NULL)
583 {
584 char errbuf[1024];
585 WARNING ("openvpn plugin: Unable to read \"%s\": %s", filename,
586 sstrerror (errno, errbuf, sizeof (errbuf)));
587 return (0);
588 }
590 /* now search for the specific multimode data format */
591 while ((fgets (buffer, sizeof (buffer), fh)) != NULL)
592 {
593 /* we look at the first line searching for SINGLE mode configuration */
594 if (strcmp (buffer, VSSTRING) == 0)
595 {
596 DEBUG ("openvpn plugin: found status file version SINGLE");
597 version = SINGLE;
598 break;
599 }
600 /* searching for multi version 1 */
601 else if (strcmp (buffer, V1STRING) == 0)
602 {
603 DEBUG ("openvpn plugin: found status file version MULTI1");
604 version = MULTI1;
605 break;
606 }
607 /* searching for multi version 2 */
608 else if (strcmp (buffer, V2STRING) == 0)
609 {
610 DEBUG ("openvpn plugin: found status file version MULTI2");
611 version = MULTI2;
612 break;
613 }
614 /* searching for multi version 3 */
615 else if (strcmp (buffer, V3STRING) == 0)
616 {
617 DEBUG ("openvpn plugin: found status file version MULTI3");
618 version = MULTI3;
619 break;
620 }
621 /* searching for multi version 4 */
622 else if (strcmp (buffer, V4STRING) == 0)
623 {
624 DEBUG ("openvpn plugin: found status file version MULTI4");
625 version = MULTI4;
626 break;
627 }
628 }
630 if (version == 0)
631 {
632 /* This is only reached during configuration, so complaining to
633 * the user is in order. */
634 NOTICE ("openvpn plugin: %s: Unknown file format, please "
635 "report this as bug. Make sure to include "
636 "your status file, so the plugin can "
637 "be adapted.", filename);
638 }
640 fclose (fh);
642 return version;
643 } /* int version_detect */
645 static int openvpn_config (const char *key, const char *value)
646 {
647 if (strcasecmp ("StatusFile", key) == 0)
648 {
649 char *status_file, *status_name, *filename;
650 int status_version, i;
651 vpn_status_t *temp;
653 /* try to detect the status file format */
654 status_version = version_detect (value);
656 if (status_version == 0)
657 {
658 WARNING ("openvpn plugin: unable to detect status version, \
659 discarding status file \"%s\".", value);
660 return (1);
661 }
663 status_file = sstrdup (value);
664 if (status_file == NULL)
665 {
666 char errbuf[1024];
667 WARNING ("openvpn plugin: sstrdup failed: %s",
668 sstrerror (errno, errbuf, sizeof (errbuf)));
669 return (1);
670 }
672 /* it determines the file name as string starting at location filename + 1 */
673 filename = strrchr (status_file, (int) '/');
674 if (filename == NULL)
675 {
676 /* status_file is already the file name only */
677 status_name = status_file;
678 }
679 else
680 {
681 /* doesn't waste memory, uses status_file starting at filename + 1 */
682 status_name = filename + 1;
683 }
685 /* scan the list looking for a clone */
686 for (i = 0; i < vpn_num; i++)
687 {
688 if (strcasecmp (vpn_list[i]->name, status_name) == 0)
689 {
690 WARNING ("openvpn plugin: status filename \"%s\" "
691 "already used, please choose a "
692 "different one.", status_name);
693 sfree (status_file);
694 return (1);
695 }
696 }
698 /* create a new vpn element since file, version and name are ok */
699 temp = (vpn_status_t *) malloc (sizeof (vpn_status_t));
700 temp->file = status_file;
701 temp->version = status_version;
702 temp->name = status_name;
704 vpn_list = (vpn_status_t **) realloc (vpn_list, (vpn_num + 1) * sizeof (vpn_status_t *));
705 if (vpn_list == NULL)
706 {
707 char errbuf[1024];
708 ERROR ("openvpn plugin: malloc failed: %s",
709 sstrerror (errno, errbuf, sizeof (errbuf)));
711 sfree (temp->file);
712 sfree (temp);
713 return (1);
714 }
716 vpn_list[vpn_num] = temp;
717 vpn_num++;
719 DEBUG ("openvpn plugin: status file \"%s\" added", temp->file);
721 } /* if (strcasecmp ("StatusFile", key) == 0) */
722 else if ((strcasecmp ("CollectCompression", key) == 0)
723 || (strcasecmp ("Compression", key) == 0)) /* old, deprecated name */
724 {
725 if (IS_FALSE (value))
726 collect_compression = 0;
727 else
728 collect_compression = 1;
729 } /* if (strcasecmp ("CollectCompression", key) == 0) */
730 else if (strcasecmp ("ImprovedNamingSchema", key) == 0)
731 {
732 if (IS_TRUE (value))
733 {
734 DEBUG ("openvpn plugin: using the new naming schema");
735 new_naming_schema = 1;
736 }
737 else
738 {
739 new_naming_schema = 0;
740 }
741 } /* if (strcasecmp ("ImprovedNamingSchema", key) == 0) */
742 else if (strcasecmp("CollectUserCount", key) == 0)
743 {
744 if (IS_TRUE(value))
745 collect_user_count = 1;
746 else
747 collect_user_count = 0;
748 } /* if (strcasecmp("CollectUserCount", key) == 0) */
749 else if (strcasecmp("CollectIndividualUsers", key) == 0)
750 {
751 if (IS_FALSE (value))
752 collect_individual_users = 0;
753 else
754 collect_individual_users = 1;
755 } /* if (strcasecmp("CollectIndividualUsers", key) == 0) */
756 else
757 {
758 return (-1);
759 }
761 return (0);
762 } /* int openvpn_config */
764 /* shutdown callback */
765 static int openvpn_shutdown (void)
766 {
767 int i;
769 for (i = 0; i < vpn_num; i++)
770 {
771 sfree (vpn_list[i]->file);
772 sfree (vpn_list[i]);
773 }
775 sfree (vpn_list);
777 return (0);
778 } /* int openvpn_shutdown */
780 static int openvpn_init (void)
781 {
782 if (!collect_individual_users
783 && !collect_compression
784 && !collect_user_count)
785 {
786 WARNING ("OpenVPN plugin: Neither `CollectIndividualUsers', "
787 "`CollectCompression', nor `CollectUserCount' is true. There's no "
788 "data left to collect.");
789 return (-1);
790 }
792 plugin_register_read ("openvpn", openvpn_read);
793 plugin_register_shutdown ("openvpn", openvpn_shutdown);
795 return (0);
796 } /* int openvpn_init */
798 void module_register (void)
799 {
800 plugin_register_config ("openvpn", openvpn_config,
801 config_keys, config_keys_num);
802 plugin_register_init ("openvpn", openvpn_init);
803 } /* void module_register */
805 /* vim: set sw=2 ts=2 : */