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--- check_dns.c.old 2004-11-17 13:18:35.000000000 -0700
+++ check_dns.c 2004-11-17 12:53:21.000000000 -0700
@@ -38,6 +38,7 @@
#define ADDRESS_LENGTH 256
char query_address[ADDRESS_LENGTH] = "";
char dns_server[ADDRESS_LENGTH] = "";
+int dns_server_port = 53;
char ptr_server[ADDRESS_LENGTH] = "";
int verbose = FALSE;
char expected_address[ADDRESS_LENGTH] = "";
@@ -76,7 +77,7 @@
}
/* get the command to run */
- asprintf (&command_line, "%s %s %s", NSLOOKUP_COMMAND, query_address, dns_server);
+ asprintf (&command_line, "%s %s %s -port=%d", NSLOOKUP_COMMAND, query_address, dns_server, dns_server_port);
alarm (timeout_interval);
gettimeofday (&tv, NULL);
@@ -275,6 +276,7 @@
{"timeout", required_argument, 0, 't'},
{"hostname", required_argument, 0, 'H'},
{"server", required_argument, 0, 's'},
+ {"port", required_argument, 0, 'p'},
{"reverse-server", required_argument, 0, 'r'},
{"expected-address", required_argument, 0, 'a'},
{"expect-authority", no_argument, 0, 'A'},
@@ -289,7 +291,7 @@
strcpy (argv[c], "-t");
while (1) {
- c = getopt_long (argc, argv, "hVvAt:H:s:r:a:", long_opts, &opt_index);
+ c = getopt_long (argc, argv, "hVvAt:H:p:s:r:a:", long_opts, &opt_index);
if (c == -1 || c == EOF)
break;
@@ -316,6 +318,9 @@
die (STATE_UNKNOWN, _("Input buffer overflow\n"));
strcpy (query_address, optarg);
break;
+ case 'p': /* hostname */
+ dns_server_port = atoi(optarg);
+ break;
case 's': /* server name */
/* TODO: this is_host check is probably unnecessary. */
/* Better to confirm nslookup response matches */
@@ -403,6 +408,8 @@
The name or address you want to query\n\
-s, --server=HOST\n\
Optional DNS server you want to use for the lookup\n\
+-p, --port=HOST\n\
+ Optional DNS server port, defaults to 53\n\
-a, --expected-address=IP-ADDRESS\n\
Optional IP address you expect the DNS server to return\n\
-A, --expect-authority\n\
@@ -426,7 +433,7 @@
print_usage (void)
{
printf (_("\
-Usage: %s -H host [-s server] [-a expected-address] [-A] [-t timeout]\n\
+Usage: %s -H host [-s server] [-p port] [-a expected-address] [-A] [-t timeout]\n\
%s --help\n\
%s --version\n"), progname, progname, progname);
}
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