avoid bogus "obfuscate_keystroke_timing: stopping ..." debug

messages when keystroke timing obfuscation was never started;
spotted by naddy@

diff --git a/usr.bin/ssh/clientloop.c b/usr.bin/ssh/clientloop.c
index 035643f..9a1df64 100644 (file)
--- a/usr.bin/ssh/clientloop.c
+++ b/usr.bin/ssh/clientloop.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: clientloop.c,v 1.394 2023/08/28 04:06:52 djm Exp $ */
+/* $OpenBSD: clientloop.c,v 1.395 2023/09/04 00:04:02 djm Exp $ */
 /*
  * Author: Tatu Ylonen <ylo@cs.hut.fi>
  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@@ -564,9 +564,11 @@ obfuscate_keystroke_timing(struct ssh *ssh, struct timespec *timeout)
        }
 
        if (stop_reason != NULL) {
-               active = 0;
-               debug3_f("stopping: %s (%llu chaff packets sent)",
-                   stop_reason, nchaff);
+               if (active) {
+                       debug3_f("stopping: %s (%llu chaff packets sent)",
+                           stop_reason, nchaff);
+                       active = 0;
+               }
                return 1;
        }