upstream: a little debug() in the security key interface

OpenBSD-Commit-ID: 4c70300609a5c8b19707207bb7ad4109e963b0e8

1 files changed, 8 insertions, 1 deletions

diff --git a/ssh-sk.c b/ssh-sk.c
index 591c643d4..63f1d1da7 100644
--- a/ssh-sk.c
+++ b/ssh-sk.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssh-sk.c,v 1.12 2019/11/14 21:27:30 djm Exp $ */
+/* $OpenBSD: ssh-sk.c,v 1.13 2019/11/16 22:42:30 djm Exp $ */
 /*
  * Copyright (c) 2019 Google LLC
  *
@@ -264,6 +264,10 @@ sshsk_enroll(int type, const char *provider_path, const char *application,
         int r = SSH_ERR_INTERNAL_ERROR;
         int alg;
 
+        debug("%s: provider \"%s\", application \"%s\", flags 0x%02x, "
+            "challenge len %zu", __func__, provider_path, application,
+            flags, challenge_buf == NULL ? 0 : sshbuf_len(challenge_buf));
+
         *keyp = NULL;
         if (attest)
                 sshbuf_reset(attest);
@@ -461,6 +465,9 @@ sshsk_sign(const char *provider_path, const struct sshkey *key,
         struct sshbuf *inner_sig = NULL, *sig = NULL;
         uint8_t message[32];
 
+        debug("%s: provider \"%s\", key \"%s\", flags 0x%02x", __func__,
+            provider_path, sshkey_type(key), key->sk_flags);
+
         if (sigp != NULL)
                 *sigp = NULL;
         if (lenp != NULL)