openssh: Remove temporary keys before generating new ones

Key generation may wait for user input, due to the existence of
temporary keys resulting from power interruption in the first boot.
This prevents users from login via ssh.

Signed-off-by: Asfak Rahman <asfakr@outlook.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit 3196249a6917a32491be56e70bbf26d3b9818e0e)
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>

diff --git a/meta/recipes-connectivity/openssh/openssh/sshd_check_keys b/meta/recipes-connectivity/openssh/openssh/sshd_check_keys
index 1931dc715375f2ec6b7ad356cb1240add98cf8ce..ef117de897ff95f766e56a573f14888507a103eb 100644 (file)
--- a/meta/recipes-connectivity/openssh/openssh/sshd_check_keys
+++ b/meta/recipes-connectivity/openssh/openssh/sshd_check_keys
@@ -6,6 +6,7 @@ generate_key() {
     local DIR="$(dirname "$FILE")"
 
     mkdir -p "$DIR"
+    rm -f ${FILE}.tmp
     ssh-keygen -q -f "${FILE}.tmp" -N '' -t $TYPE
 
     # Atomically rename file public key