openvpnmsica, tapctl: Revise default hardware ID management

openvpnmsica, tapctl: Revise default hardware ID management

tap_create_adapter() and tap_list_adapter() no longer default to
"root\tap0901". Defining a default hardware ID value is at the
responsibility of upper layers that process user desires.

Since the tap_list_adapter() no longer defaults the hardware ID to
anything, its behavior was simplified to return all existing
adapters when a NULL hardware ID is specified.

Signed-off-by: Simon Rozman <simon@rozman.si>
Acked-by: Lev Stipakov <lstipakov@gmail.com>
Message-Id: <20200309131728.380-10-simon@rozman.si>
URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg19524.html
Signed-off-by: Gert Doering <gert@greenie.muc.de>