Subject: [PATCH 1/1] STA_ASSOC: Mark Port authorization and State Completion based on authorized state in connect event

[Vinayak Yadawad]

Kindly ignore this patch request, as it has errors with indentation.
I will be sending a fresh email  request for the patch submission.

On Mon, Jun 20, 2022 at 12:18 PM Vinayak Yadawad
<vinayak.yadawad at broadcom.com> wrote:
>
> PFA  patch for reference generated using the git repo
>
> On Mon, Jun 20, 2022 at 11:26 AM Vinayak Yadawad
> <vinayak.yadawad at broadcom.com> wrote:
> >
> > In case of drivers supporting 4way handshake offload, mark port
> > authorized and state completion only if driver advertizes authorized
> > state in the connect event. Otherwise there are fair chances of driver
> > port authorization api gets called while 4-way handshake is in progress
> > at the lower layer.
> > In order to avoid this possible race condition always update port
> > authorization and supplicant state WPA_COMPLETED setting from
> > EVENT_PORT_AUTHORIZED context when driver is done with 4way handshake.
> >
> > Signed-off-by: Vinayak Yadawad <vinayak.yadawad at broadcom.com>
> > ---
> >  wpa_supplicant/events.c | 25 +++++++++++++++++--------
> >  1 file changed, 17 insertions(+), 8 deletions(-)
> >
> > diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
> > index ec56cfdc0..f20e1c87b 100644
> > --- a/wpa_supplicant/events.c
> > +++ b/wpa_supplicant/events.c
> > @@ -3478,14 +3478,23 @@ static void wpa_supplicant_event_assoc(struct
> > wpa_supplicant *wpa_s,
> >   eapol_sm_notify_eap_success(wpa_s->eapol, true);
> >   } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_PSK) &&
> >      wpa_key_mgmt_wpa_psk(wpa_s->key_mgmt)) {
> > - /*
> > - * We are done; the driver will take care of RSN 4-way
> > - * handshake.
> > - */
> > - wpa_supplicant_cancel_auth_timeout(wpa_s);
> > - wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
> > - eapol_sm_notify_portValid(wpa_s->eapol, true);
> > - eapol_sm_notify_eap_success(wpa_s->eapol, true);
> > + if (already_authorized) {
> > + /*
> > + * We are done; the driver will take care of RSN 4-way
> > + * handshake.
> > + */
> > + wpa_supplicant_cancel_auth_timeout(wpa_s);
> > + wpa_supplicant_set_state(wpa_s, WPA_COMPLETED);
> > + eapol_sm_notify_portValid(wpa_s->eapol, true);
> > + eapol_sm_notify_eap_success(wpa_s->eapol, true);
> > + } else {
> > + /* Update port, WPA_COMPLETED state from
> > + * EVENT_PORT_AUTHORIZED context when driver is done
> > + * with 4way handshake.
> > + */
> > + wpa_msg(wpa_s, MSG_INFO, "ASSOC INFO: wait for driver port "
> > + "authorized indication");
> > + }
> >   } else if ((wpa_s->drv_flags & WPA_DRIVER_FLAGS_4WAY_HANDSHAKE_8021X) &&
> >      wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
> >   /*
> > --
> > 2.32.0

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