--- auth.c.orig	Sat Nov  4 17:30:17 2000
+++ auth.c	Sat Nov  4 17:29:00 2000
@@ -111,6 +111,16 @@
 				return 0;
 		}
 	}
+#ifdef __FreeBSD__  
+	/* Fail if the account's expiration time has passed. */
+	if (pw->pw_expire != 0) {
+		struct timeval tv;
+
+		(void)gettimeofday(&tv, NULL);
+		if (tv.tv_sec >= pw->pw_expire)
+			return 0;
+	}
+#endif /* __FreeBSD__ */
 	/* We found no reason not to let this user try to log on... */
 	return 1;
 }