[RFC PATCH] wpa_s: use open authentication to reassociate with SAE AP

Jouni Malinen j at w1.fi
Tue Apr 16 01:11:37 PDT 2019


On Fri, Mar 29, 2019 at 11:22:32AM +0000, Sergey Matyukevich wrote:
> For reassociation with the same AP wpa_supplicant attempts to use
> cached PMKSA. For this purpose PMKID is passed in RSN IE in ASSOC
> request. In the case of SAE AP, open authentication shall be used
> during reassociation. Otherwise cached PMKID become invalid after
> full SAE authentication.
> 
> Current implementation correctly handles SoftMAC drivers. However
> for FullMAC drivers complete SAE authentication is performed.
> As a result, first reassociation attempt fails.
> 
> This patch fixes FullMAC driver behavior by reseting authentication
> algorithm to WPA_AUTH_ALG_OPEN when reassociating with SAE AP.

Thanks, applied with a cleaned up commit message (it is not
reassociation, but the attempt to use PMKSA caching, that determines
with auth alg to use).

-- 
Jouni Malinen                                            PGP id EFC895FA



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