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authorSven Nierlein <sven@nierlein.de>2017-03-15 00:32:21 +0100
committerSven Nierlein <sven@nierlein.de>2018-10-22 16:28:51 +0200
commite57c8a9d96aa79f847ff0dd2a2f418bfd4f7094d (patch)
tree38cd00a0d8f198302c899f1ea4c8b588ea48b306 /plugins
parentb5fd0d1a17571cf16e788f1e99e8e1061dafe81e (diff)
downloadmonitoring-plugins-e57c8a9d96aa79f847ff0dd2a2f418bfd4f7094d.tar.gz
check_curl: set correct host header
Signed-off-by: Sven Nierlein <sven@nierlein.de>
Diffstat (limited to 'plugins')
-rw-r--r--plugins/check_curl.c42
1 files changed, 31 insertions, 11 deletions
diff --git a/plugins/check_curl.c b/plugins/check_curl.c
index 064fb16b..a7e580d1 100644
--- a/plugins/check_curl.c
+++ b/plugins/check_curl.c
@@ -90,6 +90,8 @@ char *server_address;
90char *host_name; 90char *host_name;
91char *server_url = DEFAULT_SERVER_URL; 91char *server_url = DEFAULT_SERVER_URL;
92unsigned short server_port = HTTP_PORT; 92unsigned short server_port = HTTP_PORT;
93int virtual_port = 0;
94int host_name_length;
93char output_string_search[30] = ""; 95char output_string_search[30] = "";
94char *warning_thresholds = NULL; 96char *warning_thresholds = NULL;
95char *critical_thresholds = NULL; 97char *critical_thresholds = NULL;
@@ -105,7 +107,6 @@ curlhelp_curlbuf body_buf;
105curlhelp_curlbuf header_buf; 107curlhelp_curlbuf header_buf;
106curlhelp_statusline status_line; 108curlhelp_statusline status_line;
107char http_header[DEFAULT_BUFFER_SIZE]; 109char http_header[DEFAULT_BUFFER_SIZE];
108struct curl_slist *http_opt_headers = NULL;
109long code; 110long code;
110long socket_timeout = DEFAULT_SOCKET_TIMEOUT; 111long socket_timeout = DEFAULT_SOCKET_TIMEOUT;
111double total_time; 112double total_time;
@@ -195,7 +196,7 @@ check_http (void)
195 if ((curl = curl_easy_init()) == NULL) 196 if ((curl = curl_easy_init()) == NULL)
196 die (STATE_UNKNOWN, "HTTP UNKNOWN - curl_easy_init failed\n"); 197 die (STATE_UNKNOWN, "HTTP UNKNOWN - curl_easy_init failed\n");
197 198
198 if (verbose >= 3) 199 if (verbose >= 1)
199 curl_easy_setopt (curl, CURLOPT_VERBOSE, TRUE); 200 curl_easy_setopt (curl, CURLOPT_VERBOSE, TRUE);
200 201
201 /* print everything on stdout like check_http would do */ 202 /* print everything on stdout like check_http would do */
@@ -238,8 +239,14 @@ check_http (void)
238 } 239 }
239 240
240 /* set hostname (virtual hosts) */ 241 /* set hostname (virtual hosts) */
241 snprintf (http_header, DEFAULT_BUFFER_SIZE, "Host: %s", host_name); 242 if(host_name != NULL) {
242 header_list = curl_slist_append (header_list, http_header); 243 if((virtual_port != HTTP_PORT && !use_ssl) || (virtual_port != HTTPS_PORT && use_ssl)) {
244 snprintf(http_header, DEFAULT_BUFFER_SIZE, "Host: %s:%d", host_name, virtual_port);
245 } else {
246 snprintf(http_header, DEFAULT_BUFFER_SIZE, "Host: %s", host_name);
247 }
248 header_list = curl_slist_append (header_list, http_header);
249 }
243 250
244 /* always close connection, be nice to servers */ 251 /* always close connection, be nice to servers */
245 snprintf (http_header, DEFAULT_BUFFER_SIZE, "Connection: close"); 252 snprintf (http_header, DEFAULT_BUFFER_SIZE, "Connection: close");
@@ -316,15 +323,11 @@ check_http (void)
316 */ 323 */
317 } 324 }
318 325
319 /* set optional http header */
320 curl_easy_setopt(curl, CURLOPT_HTTPHEADER, http_opt_headers);
321
322 /* do the request */ 326 /* do the request */
323 res = curl_easy_perform(curl); 327 res = curl_easy_perform(curl);
324 328
325 /* free header list, we don't need it anymore */ 329 /* free header list, we don't need it anymore */
326 curl_slist_free_all(header_list); 330 curl_slist_free_all(header_list);
327 curl_slist_free_all(http_opt_headers);
328 331
329 /* Curl errors, result in critical Nagios state */ 332 /* Curl errors, result in critical Nagios state */
330 if (res != CURLE_OK) { 333 if (res != CURLE_OK) {
@@ -491,6 +494,7 @@ test_file (char *path)
491int 494int
492process_arguments (int argc, char **argv) 495process_arguments (int argc, char **argv)
493{ 496{
497 char *p;
494 int c = 1; 498 int c = 1;
495 char *temp; 499 char *temp;
496 500
@@ -559,6 +563,22 @@ process_arguments (int argc, char **argv)
559 break; 563 break;
560 case 'H': /* virtual host */ 564 case 'H': /* virtual host */
561 host_name = strdup (optarg); 565 host_name = strdup (optarg);
566 if (host_name[0] == '[') {
567 if ((p = strstr (host_name, "]:")) != NULL) { /* [IPv6]:port */
568 virtual_port = atoi (p + 2);
569 /* cut off the port */
570 host_name_length = strlen (host_name) - strlen (p) - 1;
571 free (host_name);
572 host_name = strndup (optarg, host_name_length);
573 }
574 } else if ((p = strchr (host_name, ':')) != NULL
575 && strchr (++p, ':') == NULL) { /* IPv4:port or host:port */
576 virtual_port = atoi (p);
577 /* cut off the port */
578 host_name_length = strlen (host_name) - strlen (p) - 1;
579 free (host_name);
580 host_name = strndup (optarg, host_name_length);
581 }
562 break; 582 break;
563 case 'I': /* internet address */ 583 case 'I': /* internet address */
564 server_address = strdup (optarg); 584 server_address = strdup (optarg);
@@ -588,7 +608,7 @@ process_arguments (int argc, char **argv)
588 snprintf (user_agent, DEFAULT_BUFFER_SIZE, optarg); 608 snprintf (user_agent, DEFAULT_BUFFER_SIZE, optarg);
589 break; 609 break;
590 case 'k': /* Additional headers */ 610 case 'k': /* Additional headers */
591 http_opt_headers = curl_slist_append(http_opt_headers, optarg); 611 header_list = curl_slist_append(header_list, optarg);
592 break; 612 break;
593 case 'C': /* Check SSL cert validity */ 613 case 'C': /* Check SSL cert validity */
594#ifdef LIBCURL_FEATURE_SSL 614#ifdef LIBCURL_FEATURE_SSL
@@ -733,8 +753,8 @@ process_arguments (int argc, char **argv)
733 if (client_cert && !client_privkey) 753 if (client_cert && !client_privkey)
734 usage4 (_("If you use a client certificate you must also specify a private key file")); 754 usage4 (_("If you use a client certificate you must also specify a private key file"));
735 755
736 //~ if (virtual_port == 0) 756 if (virtual_port == 0)
737 //~ virtual_port = server_port; 757 virtual_port = server_port;
738 758
739 return TRUE; 759 return TRUE;
740} 760}