--- /tmp/nagios-plugins-1.3.0/plugins/check_time.c	2003-02-15 23:48:46.000000000 +1100
+++ nagios-plugins-1.3.0/plugins/check_time.c	2003-06-06 10:43:32.000000000 +1000
@@ -61,7 +61,7 @@
 int check_critical_diff = FALSE;
 int server_port = TIME_PORT;
 char *server_address = NULL;
-
+int use_udp = FALSE;
 
 int process_arguments (int, char **);
 void print_usage (void);
@@ -85,7 +85,13 @@
 	time (&start_time);
 
 	/* try to connect to the host at the given port number */
-	if (my_tcp_connect (server_address, server_port, &sd) != STATE_OK) {
+	if (use_udp) {
+		result = my_udp_connect (server_address, server_port, &sd);
+	} else {
+		result = my_tcp_connect (server_address, server_port, &sd);
+	}
+
+	if (result != STATE_OK) {
 		if (check_critical_time == TRUE)
 			result = STATE_CRITICAL;
 		else if (check_warning_time == TRUE)
@@ -94,7 +100,21 @@
 			result = STATE_UNKNOWN;
 		terminate (result,
 		           "TIME UNKNOWN - could not connect to server %s, port %d\n",
-		           server_address, server_port);
+	        	   server_address, server_port);
+	}
+
+	if (use_udp) {
+		if (send (sd, "", 0, 0) < 0) {
+			if (check_critical_time == TRUE)
+				result = STATE_CRITICAL;
+			else if (check_warning_time == TRUE)
+				result = STATE_WARNING;
+			else
+				result = STATE_UNKNOWN;
+			terminate (result,
+			           "TIME UNKNOWN - could not send UDP request to server %s, port %d\n",
+	        		   server_address, server_port);
+		}
 	}
 
 	/* watch for the connection string */
@@ -170,6 +190,7 @@
 		{"timeout", required_argument, 0, 't'},
 		{"version", no_argument, 0, 'V'},
 		{"help", no_argument, 0, 'h'},
+		{"udp", no_argument, 0, 'u'},
 		{0, 0, 0, 0}
 	};
 #endif
@@ -193,10 +214,10 @@
 	while (1) {
 #ifdef HAVE_GETOPT_H
 		c =
-			getopt_long (argc, argv, "hVH:w:c:W:C:p:t:", long_options,
+			getopt_long (argc, argv, "hVH:w:c:W:C:p:t:u", long_options,
 									 &option_index);
 #else
-		c = getopt (argc, argv, "hVH:w:c:W:C:p:t:");
+		c = getopt (argc, argv, "hVH:w:c:W:C:p:t:u");
 #endif
 
 		if (c == -1 || c == EOF)
@@ -275,6 +296,9 @@
 				usage ("Timeout interval must be a nonnegative integer\n");
 			socket_timeout = atoi (optarg);
 			break;
+		case 'u':
+		/* udp */
+			use_udp = TRUE;
 		}
 	}
 
@@ -338,6 +362,8 @@
 		 "    Seconds before connection times out (default: %d)\n"
 		 " -p, --port=INTEGER\n"
 		 "    Port number (default: %d)\n"
+		 " -u, --udp\n"
+		 "    Use UDP to connect, not TCP\n"
 		 " -h, --help\n"
 		 "    Print detailed help screen\n"
 		 " -V, --version\n"