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Merge pull request #1649 from DerDakon/split-addr

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check_dns: split multiple IP addresses passed in one -a argument
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Sven Nierlein 2021-02-04 11:21:26 +01:00 committed by GitHub
commit 05d7f70d45
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1 changed files with 17 additions and 3 deletions
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20
plugins/check_dns.c
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@ -473,9 +473,23 @@ process_arguments (int argc, char **argv)
case 'a': /* expected address */
if (strlen (optarg) >= ADDRESS_LENGTH)
die (STATE_UNKNOWN, _("Input buffer overflow\n"));
expected_address = (char **)realloc(expected_address, (expected_address_cnt+1) * sizeof(char**));
expected_address[expected_address_cnt] = strdup(optarg);
expected_address_cnt++;
if (strchr(optarg, ',') != NULL) {
char *comma = strchr(optarg, ',');
while (comma != NULL) {
expected_address = (char **)realloc(expected_address, (expected_address_cnt+1) * sizeof(char**));
expected_address[expected_address_cnt] = strndup(optarg, comma - optarg);
expected_address_cnt++;
optarg = comma + 1;
comma = strchr(optarg, ',');
}
expected_address = (char **)realloc(expected_address, (expected_address_cnt+1) * sizeof(char**));
expected_address[expected_address_cnt] = strdup(optarg);
expected_address_cnt++;
} else {
expected_address = (char **)realloc(expected_address, (expected_address_cnt+1) * sizeof(char**));
expected_address[expected_address_cnt] = strdup(optarg);
expected_address_cnt++;
}
break;
case 'A': /* expect authority */
expect_authority = TRUE;