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authorRolf Eike Beer <eike@sf-mail.de>2020-11-02 20:05:56 +0100
committerJan Wagner <waja@cyconet.org>2021-04-10 13:43:12 +0200
commita56d01d028d08296ffa080bf9a7d8cf6a04895ef (patch)
treedb460454f51f4d2528f6674b8c2527e5d2634a05 /plugins/check_dns.c
parentd5b81e8966d71ac2f13465fa308c9910b0e31992 (diff)
downloadmonitoring-plugins-a56d01d028d08296ffa080bf9a7d8cf6a04895ef.tar.gz
check_dns: split multiple IP addresses passed in one -a argument
Diffstat (limited to 'plugins/check_dns.c')
-rw-r--r--plugins/check_dns.c20
1 files changed, 17 insertions, 3 deletions
diff --git a/plugins/check_dns.c b/plugins/check_dns.c
index b90f50e6..0f2e6541 100644
--- a/plugins/check_dns.c
+++ b/plugins/check_dns.c
@@ -473,9 +473,23 @@ process_arguments (int argc, char **argv)
473 case 'a': /* expected address */ 473 case 'a': /* expected address */
474 if (strlen (optarg) >= ADDRESS_LENGTH) 474 if (strlen (optarg) >= ADDRESS_LENGTH)
475 die (STATE_UNKNOWN, _("Input buffer overflow\n")); 475 die (STATE_UNKNOWN, _("Input buffer overflow\n"));
476 expected_address = (char **)realloc(expected_address, (expected_address_cnt+1) * sizeof(char**)); 476 if (strchr(optarg, ',') != NULL) {
477 expected_address[expected_address_cnt] = strdup(optarg); 477 char *comma = strchr(optarg, ',');
478 expected_address_cnt++; 478 while (comma != NULL) {
479 expected_address = (char **)realloc(expected_address, (expected_address_cnt+1) * sizeof(char**));
480 expected_address[expected_address_cnt] = strndup(optarg, comma - optarg);
481 expected_address_cnt++;
482 optarg = comma + 1;
483 comma = strchr(optarg, ',');
484 }
485 expected_address = (char **)realloc(expected_address, (expected_address_cnt+1) * sizeof(char**));
486 expected_address[expected_address_cnt] = strdup(optarg);
487 expected_address_cnt++;
488 } else {
489 expected_address = (char **)realloc(expected_address, (expected_address_cnt+1) * sizeof(char**));
490 expected_address[expected_address_cnt] = strdup(optarg);
491 expected_address_cnt++;
492 }
479 break; 493 break;
480 case 'A': /* expect authority */ 494 case 'A': /* expect authority */
481 expect_authority = TRUE; 495 expect_authority = TRUE;