Hi Kristof,
On 24/02/2022 17:55, Kristof Provost via Openvpn-devel wrote:
From: Kristof Provost <k...@freebsd.org>
If control packets come in through the DCO interface (i.e. via
dco_do_read()) we must process them through process_incoming_link().
This doesn't currently manifest, because Linux passes control packets
through the regular socket, not via the DCO netlink interface, but other
platforms will not.
This is an interesting catch - actually also ovpn-dco on Linux is
expected to send control packets over netlink.
However, due to a little glitch packets were still sent over the UDP
socket (this is expected only for the initial handshake).
Once this bug has been fixed, I could see that indeed
process_incoming_dco() wasn't operating as it should and this patch was
required.
I have squashed a modified version of this patch directly in my dco
branch as it is needed to make ovpn-dco work.
Thanks a lot!
Best Regards,
--
Antonio Quartulli
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