From ab3b2a9f6d22442c4620eccf56224074f614df03 Mon Sep 17 00:00:00 2001
From: Klas Lindfors <klas@yubico.com>
Date: Thu, 23 Jan 2014 08:37:23 +0100
Subject: [PATCH] refuse challenge on command line if -t is given

---
 ykchalresp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/ykchalresp.c b/ykchalresp.c
index db0d5fa..0efeb70 100644
--- a/ykchalresp.c
+++ b/ykchalresp.c
@@ -133,7 +133,7 @@ static int parse_args(int argc, char **argv,
 		}
 	}
 
-	if (optind >= argc && !*totp) {
+	if ((optind >= argc && !*totp) || (optind < argc && *totp)) {
 		/* No challenge */
 		fputs(usage, stderr);
 		return 0;
-- 
2.39.5