Extend tls_pre_decrypt_lite to return type of packet and keep state

Extend tls_pre_decrypt_lite to return type of packet and keep state

This allows us to keep the temporary data for a little bit longer
so we can use this to make further checks and ultimatively use the
state to craft the HMAC based RESET reply.

For now we do not use the extra information and keep behaviour
identical.

Signed-off-by: Arne Schwabe <arne@rfc2549.org>
Acked-by: Gert Doering <gert@greenie.muc.de>
Message-Id: <20220422134038.3801239-6-arne@rfc2549.org>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg24148.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>