1 /**
2 * collectd - src/curl.c
3 * Copyright (C) 2006-2009 Florian octo Forster
4 * Copyright (C) 2009 Aman Gupta
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; only version 2 of the License is applicable.
9 *
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 *
19 * Authors:
20 * Florian octo Forster <octo at collectd.org>
21 * Aman Gupta <aman at tmm1.net>
22 **/
24 #include "collectd.h"
26 #include "common.h"
27 #include "plugin.h"
28 #include "configfile.h"
29 #include "utils_curl_stats.h"
30 #include "utils_match.h"
31 #include "utils_time.h"
33 #include <curl/curl.h>
35 /*
36 * Data types
37 */
38 struct web_match_s;
39 typedef struct web_match_s web_match_t;
40 struct web_match_s /* {{{ */
41 {
42 char *regex;
43 char *exclude_regex;
44 int dstype;
45 char *type;
46 char *instance;
48 cu_match_t *match;
50 web_match_t *next;
51 }; /* }}} */
53 struct web_page_s;
54 typedef struct web_page_s web_page_t;
55 struct web_page_s /* {{{ */
56 {
57 char *instance;
59 char *url;
60 char *user;
61 char *pass;
62 char *credentials;
63 _Bool digest;
64 _Bool verify_peer;
65 _Bool verify_host;
66 char *cacert;
67 struct curl_slist *headers;
68 char *post_body;
69 _Bool response_time;
70 _Bool response_code;
71 int timeout;
72 curl_stats_t *stats;
74 CURL *curl;
75 char curl_errbuf[CURL_ERROR_SIZE];
76 char *buffer;
77 size_t buffer_size;
78 size_t buffer_fill;
80 web_match_t *matches;
82 web_page_t *next;
83 }; /* }}} */
85 /*
86 * Global variables;
87 */
88 /* static CURLM *curl = NULL; */
89 static web_page_t *pages_g = NULL;
91 /*
92 * Private functions
93 */
94 static size_t cc_curl_callback (void *buf, /* {{{ */
95 size_t size, size_t nmemb, void *user_data)
96 {
97 web_page_t *wp;
98 size_t len;
100 len = size * nmemb;
101 if (len == 0)
102 return (len);
104 wp = user_data;
105 if (wp == NULL)
106 return (0);
108 if ((wp->buffer_fill + len) >= wp->buffer_size)
109 {
110 char *temp;
111 size_t temp_size;
113 temp_size = wp->buffer_fill + len + 1;
114 temp = realloc (wp->buffer, temp_size);
115 if (temp == NULL)
116 {
117 ERROR ("curl plugin: realloc failed.");
118 return (0);
119 }
120 wp->buffer = temp;
121 wp->buffer_size = temp_size;
122 }
124 memcpy (wp->buffer + wp->buffer_fill, (char *) buf, len);
125 wp->buffer_fill += len;
126 wp->buffer[wp->buffer_fill] = 0;
128 return (len);
129 } /* }}} size_t cc_curl_callback */
131 static void cc_web_match_free (web_match_t *wm) /* {{{ */
132 {
133 if (wm == NULL)
134 return;
136 sfree (wm->regex);
137 sfree (wm->type);
138 sfree (wm->instance);
139 match_destroy (wm->match);
140 cc_web_match_free (wm->next);
141 sfree (wm);
142 } /* }}} void cc_web_match_free */
144 static void cc_web_page_free (web_page_t *wp) /* {{{ */
145 {
146 if (wp == NULL)
147 return;
149 if (wp->curl != NULL)
150 curl_easy_cleanup (wp->curl);
151 wp->curl = NULL;
153 sfree (wp->instance);
155 sfree (wp->url);
156 sfree (wp->user);
157 sfree (wp->pass);
158 sfree (wp->credentials);
159 sfree (wp->cacert);
160 sfree (wp->post_body);
161 curl_slist_free_all (wp->headers);
162 curl_stats_destroy (wp->stats);
164 sfree (wp->buffer);
166 cc_web_match_free (wp->matches);
167 cc_web_page_free (wp->next);
168 sfree (wp);
169 } /* }}} void cc_web_page_free */
171 static int cc_config_append_string (const char *name, struct curl_slist **dest, /* {{{ */
172 oconfig_item_t *ci)
173 {
174 struct curl_slist *temp = NULL;
175 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
176 {
177 WARNING ("curl plugin: `%s' needs exactly one string argument.", name);
178 return (-1);
179 }
181 temp = curl_slist_append(*dest, ci->values[0].value.string);
182 if (temp == NULL)
183 return (-1);
185 *dest = temp;
187 return (0);
188 } /* }}} int cc_config_append_string */
190 static int cc_config_add_match_dstype (int *dstype_ret, /* {{{ */
191 oconfig_item_t *ci)
192 {
193 int dstype;
195 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
196 {
197 WARNING ("curl plugin: `DSType' needs exactly one string argument.");
198 return (-1);
199 }
201 if (strncasecmp ("Gauge", ci->values[0].value.string,
202 strlen ("Gauge")) == 0)
203 {
204 dstype = UTILS_MATCH_DS_TYPE_GAUGE;
205 if (strcasecmp ("GaugeAverage", ci->values[0].value.string) == 0)
206 dstype |= UTILS_MATCH_CF_GAUGE_AVERAGE;
207 else if (strcasecmp ("GaugeMin", ci->values[0].value.string) == 0)
208 dstype |= UTILS_MATCH_CF_GAUGE_MIN;
209 else if (strcasecmp ("GaugeMax", ci->values[0].value.string) == 0)
210 dstype |= UTILS_MATCH_CF_GAUGE_MAX;
211 else if (strcasecmp ("GaugeLast", ci->values[0].value.string) == 0)
212 dstype |= UTILS_MATCH_CF_GAUGE_LAST;
213 else
214 dstype = 0;
215 }
216 else if (strncasecmp ("Counter", ci->values[0].value.string,
217 strlen ("Counter")) == 0)
218 {
219 dstype = UTILS_MATCH_DS_TYPE_COUNTER;
220 if (strcasecmp ("CounterSet", ci->values[0].value.string) == 0)
221 dstype |= UTILS_MATCH_CF_COUNTER_SET;
222 else if (strcasecmp ("CounterAdd", ci->values[0].value.string) == 0)
223 dstype |= UTILS_MATCH_CF_COUNTER_ADD;
224 else if (strcasecmp ("CounterInc", ci->values[0].value.string) == 0)
225 dstype |= UTILS_MATCH_CF_COUNTER_INC;
226 else
227 dstype = 0;
228 }
229 else if (strncasecmp ("Derive", ci->values[0].value.string,
230 strlen ("Derive")) == 0)
231 {
232 dstype = UTILS_MATCH_DS_TYPE_DERIVE;
233 if (strcasecmp ("DeriveSet", ci->values[0].value.string) == 0)
234 dstype |= UTILS_MATCH_CF_DERIVE_SET;
235 else if (strcasecmp ("DeriveAdd", ci->values[0].value.string) == 0)
236 dstype |= UTILS_MATCH_CF_DERIVE_ADD;
237 else if (strcasecmp ("DeriveInc", ci->values[0].value.string) == 0)
238 dstype |= UTILS_MATCH_CF_DERIVE_INC;
239 else
240 dstype = 0;
241 }
242 else if (strncasecmp ("Absolute", ci->values[0].value.string,
243 strlen ("Absolute")) == 0)
244 {
245 dstype = UTILS_MATCH_DS_TYPE_ABSOLUTE;
246 if (strcasecmp ("AbsoluteSet", ci->values[0].value.string) == 0) /* Absolute DS is reset-on-read so no sense doin anything else but set */
247 dstype |= UTILS_MATCH_CF_ABSOLUTE_SET;
248 else
249 dstype = 0;
250 }
252 else
253 {
254 dstype = 0;
255 }
257 if (dstype == 0)
258 {
259 WARNING ("curl plugin: `%s' is not a valid argument to `DSType'.",
260 ci->values[0].value.string);
261 return (-1);
262 }
264 *dstype_ret = dstype;
265 return (0);
266 } /* }}} int cc_config_add_match_dstype */
268 static int cc_config_add_match (web_page_t *page, /* {{{ */
269 oconfig_item_t *ci)
270 {
271 web_match_t *match;
272 int status;
273 int i;
275 if (ci->values_num != 0)
276 {
277 WARNING ("curl plugin: Ignoring arguments for the `Match' block.");
278 }
280 match = calloc (1, sizeof (*match));
281 if (match == NULL)
282 {
283 ERROR ("curl plugin: calloc failed.");
284 return (-1);
285 }
287 status = 0;
288 for (i = 0; i < ci->children_num; i++)
289 {
290 oconfig_item_t *child = ci->children + i;
292 if (strcasecmp ("Regex", child->key) == 0)
293 status = cf_util_get_string (child, &match->regex);
294 else if (strcasecmp ("ExcludeRegex", child->key) == 0)
295 status = cf_util_get_string (child, &match->exclude_regex);
296 else if (strcasecmp ("DSType", child->key) == 0)
297 status = cc_config_add_match_dstype (&match->dstype, child);
298 else if (strcasecmp ("Type", child->key) == 0)
299 status = cf_util_get_string (child, &match->type);
300 else if (strcasecmp ("Instance", child->key) == 0)
301 status = cf_util_get_string (child, &match->instance);
302 else
303 {
304 WARNING ("curl plugin: Option `%s' not allowed here.", child->key);
305 status = -1;
306 }
308 if (status != 0)
309 break;
310 } /* for (i = 0; i < ci->children_num; i++) */
312 while (status == 0)
313 {
314 if (match->regex == NULL)
315 {
316 WARNING ("curl plugin: `Regex' missing in `Match' block.");
317 status = -1;
318 }
320 if (match->type == NULL)
321 {
322 WARNING ("curl plugin: `Type' missing in `Match' block.");
323 status = -1;
324 }
326 if (match->dstype == 0)
327 {
328 WARNING ("curl plugin: `DSType' missing in `Match' block.");
329 status = -1;
330 }
332 break;
333 } /* while (status == 0) */
335 if (status != 0)
336 {
337 cc_web_match_free (match);
338 return (status);
339 }
341 match->match = match_create_simple (match->regex, match->exclude_regex,
342 match->dstype);
343 if (match->match == NULL)
344 {
345 ERROR ("curl plugin: match_create_simple failed.");
346 cc_web_match_free (match);
347 return (-1);
348 }
349 else
350 {
351 web_match_t *prev;
353 prev = page->matches;
354 while ((prev != NULL) && (prev->next != NULL))
355 prev = prev->next;
357 if (prev == NULL)
358 page->matches = match;
359 else
360 prev->next = match;
361 }
363 return (0);
364 } /* }}} int cc_config_add_match */
366 static int cc_page_init_curl (web_page_t *wp) /* {{{ */
367 {
368 wp->curl = curl_easy_init ();
369 if (wp->curl == NULL)
370 {
371 ERROR ("curl plugin: curl_easy_init failed.");
372 return (-1);
373 }
375 curl_easy_setopt (wp->curl, CURLOPT_NOSIGNAL, 1L);
376 curl_easy_setopt (wp->curl, CURLOPT_WRITEFUNCTION, cc_curl_callback);
377 curl_easy_setopt (wp->curl, CURLOPT_WRITEDATA, wp);
378 curl_easy_setopt (wp->curl, CURLOPT_USERAGENT, COLLECTD_USERAGENT);
379 curl_easy_setopt (wp->curl, CURLOPT_ERRORBUFFER, wp->curl_errbuf);
380 curl_easy_setopt (wp->curl, CURLOPT_URL, wp->url);
381 curl_easy_setopt (wp->curl, CURLOPT_FOLLOWLOCATION, 1L);
382 curl_easy_setopt (wp->curl, CURLOPT_MAXREDIRS, 50L);
384 if (wp->user != NULL)
385 {
386 #ifdef HAVE_CURLOPT_USERNAME
387 curl_easy_setopt (wp->curl, CURLOPT_USERNAME, wp->user);
388 curl_easy_setopt (wp->curl, CURLOPT_PASSWORD,
389 (wp->pass == NULL) ? "" : wp->pass);
390 #else
391 size_t credentials_size;
393 credentials_size = strlen (wp->user) + 2;
394 if (wp->pass != NULL)
395 credentials_size += strlen (wp->pass);
397 wp->credentials = malloc (credentials_size);
398 if (wp->credentials == NULL)
399 {
400 ERROR ("curl plugin: malloc failed.");
401 return (-1);
402 }
404 ssnprintf (wp->credentials, credentials_size, "%s:%s",
405 wp->user, (wp->pass == NULL) ? "" : wp->pass);
406 curl_easy_setopt (wp->curl, CURLOPT_USERPWD, wp->credentials);
407 #endif
409 if (wp->digest)
410 curl_easy_setopt (wp->curl, CURLOPT_HTTPAUTH, CURLAUTH_DIGEST);
411 }
413 curl_easy_setopt (wp->curl, CURLOPT_SSL_VERIFYPEER, (long) wp->verify_peer);
414 curl_easy_setopt (wp->curl, CURLOPT_SSL_VERIFYHOST,
415 wp->verify_host ? 2L : 0L);
416 if (wp->cacert != NULL)
417 curl_easy_setopt (wp->curl, CURLOPT_CAINFO, wp->cacert);
418 if (wp->headers != NULL)
419 curl_easy_setopt (wp->curl, CURLOPT_HTTPHEADER, wp->headers);
420 if (wp->post_body != NULL)
421 curl_easy_setopt (wp->curl, CURLOPT_POSTFIELDS, wp->post_body);
423 #ifdef HAVE_CURLOPT_TIMEOUT_MS
424 if (wp->timeout >= 0)
425 curl_easy_setopt (wp->curl, CURLOPT_TIMEOUT_MS, (long) wp->timeout);
426 else
427 curl_easy_setopt (wp->curl, CURLOPT_TIMEOUT_MS, (long) CDTIME_T_TO_MS(plugin_get_interval()));
428 #endif
430 return (0);
431 } /* }}} int cc_page_init_curl */
433 static int cc_config_add_page (oconfig_item_t *ci) /* {{{ */
434 {
435 web_page_t *page;
436 int status;
437 int i;
439 if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
440 {
441 WARNING ("curl plugin: `Page' blocks need exactly one string argument.");
442 return (-1);
443 }
445 page = calloc (1, sizeof (*page));
446 if (page == NULL)
447 {
448 ERROR ("curl plugin: calloc failed.");
449 return (-1);
450 }
451 page->url = NULL;
452 page->user = NULL;
453 page->pass = NULL;
454 page->digest = 0;
455 page->verify_peer = 1;
456 page->verify_host = 1;
457 page->response_time = 0;
458 page->response_code = 0;
459 page->timeout = -1;
460 page->stats = NULL;
462 page->instance = strdup (ci->values[0].value.string);
463 if (page->instance == NULL)
464 {
465 ERROR ("curl plugin: strdup failed.");
466 sfree (page);
467 return (-1);
468 }
470 /* Process all children */
471 status = 0;
472 for (i = 0; i < ci->children_num; i++)
473 {
474 oconfig_item_t *child = ci->children + i;
476 if (strcasecmp ("URL", child->key) == 0)
477 status = cf_util_get_string (child, &page->url);
478 else if (strcasecmp ("User", child->key) == 0)
479 status = cf_util_get_string (child, &page->user);
480 else if (strcasecmp ("Password", child->key) == 0)
481 status = cf_util_get_string (child, &page->pass);
482 else if (strcasecmp ("Digest", child->key) == 0)
483 status = cf_util_get_boolean (child, &page->digest);
484 else if (strcasecmp ("VerifyPeer", child->key) == 0)
485 status = cf_util_get_boolean (child, &page->verify_peer);
486 else if (strcasecmp ("VerifyHost", child->key) == 0)
487 status = cf_util_get_boolean (child, &page->verify_host);
488 else if (strcasecmp ("MeasureResponseTime", child->key) == 0)
489 status = cf_util_get_boolean (child, &page->response_time);
490 else if (strcasecmp ("MeasureResponseCode", child->key) == 0)
491 status = cf_util_get_boolean (child, &page->response_code);
492 else if (strcasecmp ("CACert", child->key) == 0)
493 status = cf_util_get_string (child, &page->cacert);
494 else if (strcasecmp ("Match", child->key) == 0)
495 /* Be liberal with failing matches => don't set `status'. */
496 cc_config_add_match (page, child);
497 else if (strcasecmp ("Header", child->key) == 0)
498 status = cc_config_append_string ("Header", &page->headers, child);
499 else if (strcasecmp ("Post", child->key) == 0)
500 status = cf_util_get_string (child, &page->post_body);
501 else if (strcasecmp ("Timeout", child->key) == 0)
502 status = cf_util_get_int (child, &page->timeout);
503 else if (strcasecmp ("Statistics", child->key) == 0) {
504 page->stats = curl_stats_from_config (child);
505 if (page->stats == NULL)
506 status = -1;
507 }
508 else
509 {
510 WARNING ("curl plugin: Option `%s' not allowed here.", child->key);
511 status = -1;
512 }
514 if (status != 0)
515 break;
516 } /* for (i = 0; i < ci->children_num; i++) */
518 /* Additionial sanity checks and libCURL initialization. */
519 while (status == 0)
520 {
521 if (page->url == NULL)
522 {
523 WARNING ("curl plugin: `URL' missing in `Page' block.");
524 status = -1;
525 }
527 if (page->matches == NULL && page->stats == NULL
528 && !page->response_time && !page->response_code)
529 {
530 assert (page->instance != NULL);
531 WARNING ("curl plugin: No (valid) `Match' block "
532 "or Statistics or MeasureResponseTime or MeasureResponseCode "
533 "within `Page' block `%s'.", page->instance);
534 status = -1;
535 }
537 if (status == 0)
538 status = cc_page_init_curl (page);
540 break;
541 } /* while (status == 0) */
543 if (status != 0)
544 {
545 cc_web_page_free (page);
546 return (status);
547 }
549 /* Add the new page to the linked list */
550 if (pages_g == NULL)
551 pages_g = page;
552 else
553 {
554 web_page_t *prev;
556 prev = pages_g;
557 while (prev->next != NULL)
558 prev = prev->next;
559 prev->next = page;
560 }
562 return (0);
563 } /* }}} int cc_config_add_page */
565 static int cc_config (oconfig_item_t *ci) /* {{{ */
566 {
567 int success;
568 int errors;
569 int status;
570 int i;
572 success = 0;
573 errors = 0;
575 for (i = 0; i < ci->children_num; i++)
576 {
577 oconfig_item_t *child = ci->children + i;
579 if (strcasecmp ("Page", child->key) == 0)
580 {
581 status = cc_config_add_page (child);
582 if (status == 0)
583 success++;
584 else
585 errors++;
586 }
587 else
588 {
589 WARNING ("curl plugin: Option `%s' not allowed here.", child->key);
590 errors++;
591 }
592 }
594 if ((success == 0) && (errors > 0))
595 {
596 ERROR ("curl plugin: All statements failed.");
597 return (-1);
598 }
600 return (0);
601 } /* }}} int cc_config */
603 static int cc_init (void) /* {{{ */
604 {
605 if (pages_g == NULL)
606 {
607 INFO ("curl plugin: No pages have been defined.");
608 return (-1);
609 }
610 curl_global_init (CURL_GLOBAL_SSL);
611 return (0);
612 } /* }}} int cc_init */
614 static void cc_submit (const web_page_t *wp, const web_match_t *wm, /* {{{ */
615 const cu_match_value_t *mv)
616 {
617 value_t values[1];
618 value_list_t vl = VALUE_LIST_INIT;
620 values[0] = mv->value;
622 vl.values = values;
623 vl.values_len = 1;
624 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
625 sstrncpy (vl.plugin, "curl", sizeof (vl.plugin));
626 sstrncpy (vl.plugin_instance, wp->instance, sizeof (vl.plugin_instance));
627 sstrncpy (vl.type, wm->type, sizeof (vl.type));
628 if (wm->instance != NULL)
629 sstrncpy (vl.type_instance, wm->instance, sizeof (vl.type_instance));
631 plugin_dispatch_values (&vl);
632 } /* }}} void cc_submit */
634 static void cc_submit_response_code (const web_page_t *wp, long code) /* {{{ */
635 {
636 value_t values[1];
637 value_list_t vl = VALUE_LIST_INIT;
639 values[0].gauge = code;
641 vl.values = values;
642 vl.values_len = 1;
643 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
644 sstrncpy (vl.plugin, "curl", sizeof (vl.plugin));
645 sstrncpy (vl.plugin_instance, wp->instance, sizeof (vl.plugin_instance));
646 sstrncpy (vl.type, "response_code", sizeof (vl.type));
648 plugin_dispatch_values (&vl);
649 } /* }}} void cc_submit_response_code */
651 static void cc_submit_response_time (const web_page_t *wp, /* {{{ */
652 cdtime_t response_time)
653 {
654 value_t values[1];
655 value_list_t vl = VALUE_LIST_INIT;
657 values[0].gauge = CDTIME_T_TO_DOUBLE (response_time);
659 vl.values = values;
660 vl.values_len = 1;
661 sstrncpy (vl.host, hostname_g, sizeof (vl.host));
662 sstrncpy (vl.plugin, "curl", sizeof (vl.plugin));
663 sstrncpy (vl.plugin_instance, wp->instance, sizeof (vl.plugin_instance));
664 sstrncpy (vl.type, "response_time", sizeof (vl.type));
666 plugin_dispatch_values (&vl);
667 } /* }}} void cc_submit_response_time */
669 static int cc_read_page (web_page_t *wp) /* {{{ */
670 {
671 web_match_t *wm;
672 int status;
673 cdtime_t start = 0;
675 if (wp->response_time)
676 start = cdtime ();
678 wp->buffer_fill = 0;
679 status = curl_easy_perform (wp->curl);
680 if (status != CURLE_OK)
681 {
682 ERROR ("curl plugin: curl_easy_perform failed with status %i: %s",
683 status, wp->curl_errbuf);
684 return (-1);
685 }
687 if (wp->response_time)
688 cc_submit_response_time (wp, cdtime() - start);
689 if (wp->stats != NULL)
690 curl_stats_dispatch (wp->stats, wp->curl, hostname_g, "curl", wp->instance);
692 if(wp->response_code)
693 {
694 long response_code = 0;
695 status = curl_easy_getinfo(wp->curl, CURLINFO_RESPONSE_CODE, &response_code);
696 if(status != CURLE_OK) {
697 ERROR ("curl plugin: Fetching response code failed with status %i: %s",
698 status, wp->curl_errbuf);
699 } else {
700 cc_submit_response_code(wp, response_code);
701 }
702 }
704 for (wm = wp->matches; wm != NULL; wm = wm->next)
705 {
706 cu_match_value_t *mv;
708 status = match_apply (wm->match, wp->buffer);
709 if (status != 0)
710 {
711 WARNING ("curl plugin: match_apply failed.");
712 continue;
713 }
715 mv = match_get_user_data (wm->match);
716 if (mv == NULL)
717 {
718 WARNING ("curl plugin: match_get_user_data returned NULL.");
719 continue;
720 }
722 cc_submit (wp, wm, mv);
723 match_value_reset (mv);
724 } /* for (wm = wp->matches; wm != NULL; wm = wm->next) */
726 return (0);
727 } /* }}} int cc_read_page */
729 static int cc_read (void) /* {{{ */
730 {
731 web_page_t *wp;
733 for (wp = pages_g; wp != NULL; wp = wp->next)
734 cc_read_page (wp);
736 return (0);
737 } /* }}} int cc_read */
739 static int cc_shutdown (void) /* {{{ */
740 {
741 cc_web_page_free (pages_g);
742 pages_g = NULL;
744 return (0);
745 } /* }}} int cc_shutdown */
747 void module_register (void)
748 {
749 plugin_register_complex_config ("curl", cc_config);
750 plugin_register_init ("curl", cc_init);
751 plugin_register_read ("curl", cc_read);
752 plugin_register_shutdown ("curl", cc_shutdown);
753 } /* void module_register */
755 /* vim: set sw=2 sts=2 et fdm=marker : */