Drop the weird and undocumented behaviour of using positional argument

parsing instead of getopt(3) if 8 command line arguments were given (as
suggested by Matthias) and check whether all required arguments have
been specified in order to spit out proper error messages and to avoid a
possible segfault (as suggested by Thomas).


git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1800 f882894a-f735-0410-b71e-b25c423dba1c

NEWS

@@ -29,6 +29,8 @@ This file documents the major additions and syntax changes between releases.
 	  - enforce a full path for the command to run
 	The "negate" utility can now remap custom states
 	Check_radius now supports radiusclient-ng
+	The (undocumented) positional parameter parsing which check_radius used
+	  instead of getopt(3) if 8 arguments were given is no longer available
 	Check_by_ssh now supports multiline output
 	IPv6 support can now be disabled using ./configure --without-ipv6
 	Fix check_ntp now honor ntp flags

plugins/check_radius.c

@@ -225,30 +225,6 @@ process_arguments (int argc, char **argv)
 		{0, 0, 0, 0}
 	};
 
-	if (argc < 2)
-		return ERROR;
-
-	if (argc == 9) {
-		config_file = argv[1];
-		username = argv[2];
-		password = argv[3];
-		if (is_intpos (argv[4]))
-			timeout_interval = atoi (argv[4]);
-		else
-			usage2 (_("Timeout interval must be a positive integer"), optarg);
-		if (is_intpos (argv[5]))
-			retries = atoi (argv[5]);
-		else
-			usage4 (_("Number of retries must be a positive integer"));
-		server = argv[6];
-		if (is_intpos (argv[7]))
-			port = atoi (argv[7]);
-		else
-			usage4 (_("Port must be a positive integer"));
-		expect = argv[8];
-		return OK;
-	}
-
 	while (1) {
 		c = getopt_long (argc, argv, "+hVvH:P:F:u:p:n:t:r:e:", longopts,
 									 &option);
@@ -309,6 +285,16 @@ process_arguments (int argc, char **argv)
 			break;
 		}
 	}
+
+	if (server == NULL)
+		usage4 (_("Host not specified"));
+	if (username == NULL)
+		usage4 (_("User not specified"));
+	if (password == NULL)
+		usage4 (_("Password not specified"));
+	if (config_file == NULL)
+		usage4 (_("Configuration file not specified"));
+
 	return OK;
 }