===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/skey/skey.c,v
retrieving revision 1.6
retrieving revision 1.7
diff -u -r1.6 -r1.7
--- src/usr.bin/skey/skey.c	1996/10/14 20:45:23	1.6
+++ src/usr.bin/skey/skey.c	1996/10/30 01:09:23	1.7
@@ -1,4 +1,4 @@
-/* * $OpenBSD: skey.c,v 1.6 1996/10/14 20:45:23 millert Exp $*/
+/* * $OpenBSD: skey.c,v 1.7 1996/10/30 01:09:23 millert Exp $*/
 /*
  * S/KEY v1.1b (skey.c)
  *
@@ -74,6 +74,9 @@
 		}
 		i++;
 	}
+
+	if (argc > i + 2)
+		usage(argv[0]);
 
 	/* Could be in the form <number>/<seed> */
 	if (argc <= i + 1) {