From ebbb7492e77e1d0e9f9f6e12269e723a330e8f63 Mon Sep 17 00:00:00 2001
From: Nick Couchman <vnick@apache.org>
Date: Mon, 28 May 2018 10:27:44 -0400
Subject: [PATCH] GUACAMOLE-527: Add warning if no known host keys are
 provided.

---
 src/common-ssh/key.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/common-ssh/key.c b/src/common-ssh/key.c
index 66b8386b..b7c73f08 100644
--- a/src/common-ssh/key.c
+++ b/src/common-ssh/key.c
@@ -287,6 +287,8 @@ int guac_common_ssh_verify_host_key(LIBSSH2_SESSION* session, guac_client* clien
 
     /* No host keys were loaded, so we bail out checking and continue the connection. */
     else if (known_hosts == 0) {
+        guac_client_log(client, GUAC_LOG_WARNING,
+            "No known host keys provided, host identity will not be verified.");
         libssh2_knownhost_free(ssh_known_hosts);
         return known_hosts;
     }