upstream: a little more information from the monitor when signature

verification fails.

OpenBSD-Commit-ID: e6a30071e0518cac512f9e10be3dc3500e2003f3

1 files changed, 4 insertions, 3 deletions

diff --git a/monitor.c b/monitor.c
index a884d5f9d..1186c1dd5 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: monitor.c,v 1.200 2019/10/31 21:23:19 djm Exp $ */
+/* $OpenBSD: monitor.c,v 1.201 2019/11/19 22:21:15 djm Exp $ */
 /*
  * Copyright 2002 Niels Provos <provos@citi.umich.edu>
  * Copyright 2002 Markus Friedl <markus@openbsd.org>
@@ -1431,8 +1431,9 @@ mm_answer_keyverify(struct ssh *ssh, int sock, struct sshbuf *m)
 
         ret = sshkey_verify(key, signature, signaturelen, data, datalen,
             sigalg, ssh->compat);
-        debug3("%s: %s %p signature %s", __func__, auth_method, key,
-            (ret == 0) ? "verified" : "unverified");
+        debug3("%s: %s %p signature %s%s%s", __func__, auth_method, key,
+            (ret == 0) ? "verified" : "unverified",
+            (ret != 0) ? ": " : "", (ret != 0) ? ssh_err(ret) : "");
         auth2_record_key(authctxt, ret == 0, key);
 
         free(blob);