Re: [PATCH 00/25] Add support for Operating Channel Validation (OCV)

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On Mon, Aug 06, 2018 at 03:46:18PM -0400, Mathy Vanhoef wrote:
> This patchset adds support for Operating Channel Validation (OCV). The
> main idea of this feature is to verify the current operating channel
> when connecting to a network. This prevent multi-channel
> Man-in-the-middle attacks. A detailed description of this feature can be
> found here:
> https://mentor.ieee.org/802.11/dcn/17/11-17-1807-12-000m-defense-against-multi-channel-mitm-attacks-via-operating-channel-validation.docx

Thanks, applied with cleanup and fixes.

> - I've included a bunch of automated tests. Some of these currently use
>   reset_ap, but it seems that function is not always reliable? Sometimes
>   a test fails, but when running again the test succeeds.

reset_ap() sequences seemed to trigger some kernel warnings that made
the test cases fail for me all the time. I fixed those by using
hapd.disable() followed by adding the AP with new configuration. In
addition, the station side needed to be quite a bit more careful to
avoid hitting issues with old scan results (i.e., explicitly clear the
scan results whenever the AP configuration changes).

-- 
Jouni Malinen                                            PGP id EFC895FA

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