Date:		07 Feburary 2008
Author:		Jethro Carr <jethro.carr@jethrocarr.com> working for Prophecy Networks NZ.
Details:	Fixed check_dig plugin to make the dig command in the backend run for the specified time period.

--- nagios-plugins-1.4.1/plugins/check_dig.c	2005-01-27 10:21:01.000000000 +1300
--- nagios-plugins-1.4.11.orig/plugins/check_dig.c	2007-01-29 10:46:41.000000000 +1300
+++ nagios-plugins-1.4.11/plugins/check_dig.c	2008-02-07 10:59:46.000000000 +1300
@@ -54,6 +54,8 @@
 
 #define UNDEFINED 0
 #define DEFAULT_PORT 53
+#define DEFAULT_TRIES 3
+#define DEFAULT_TIMEOUT 10
 
 char *query_address = NULL;
 char *record_type = "A";
@@ -61,6 +63,7 @@
 char *dns_server = NULL;
 int verbose = FALSE;
 int server_port = DEFAULT_PORT;
+int number_tries = DEFAULT_TRIES;
 double warning_interval = UNDEFINED;
 double critical_interval = UNDEFINED;
 struct timeval tv;
@@ -76,6 +79,7 @@
   long microsec;
   double elapsed_time;
   int result = STATE_UNKNOWN;
+  timeout_interval = DEFAULT_TIMEOUT;
 
   setlocale (LC_ALL, "");
   bindtextdomain (PACKAGE, LOCALEDIR);
@@ -88,9 +92,13 @@
   if (process_arguments (argc, argv) == ERROR)
     usage_va(_("Could not parse arguments"));
 
+  /* dig applies the timeout to each try, so we need to work around this */
+  int timeout_interval_dig = ceil((double) timeout_interval / (double) number_tries);
+
   /* get the command to run */
-  asprintf (&command_line, "%s @%s -p %d %s -t %s",
-            PATH_TO_DIG, dns_server, server_port, query_address, record_type);
+  asprintf (&command_line, "%s @%s -p %d %s -t %s +tries=%d +time=%d",
+            PATH_TO_DIG, dns_server, server_port, query_address, record_type, number_tries, timeout_interval_dig);
+
 
   alarm (timeout_interval);
   gettimeofday (&tv, NULL);