refuse challenge on command line if -t is given

diff --git a/ykchalresp.c b/ykchalresp.c
index db0d5fabf12ff24cf0626d7125f61888a855b95f..0efeb709bde9c2cc17aacd2034d5f673b8f83e9d 100644 (file)
--- 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;