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eapol: Handle the use_eapol_start flag on authenticator

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Reuse this flag on the authenticator side with a slightly different
meaning: when it's true we're forced to wait for the EAPoL-Start before
sending the first EAPoL-EAP frame to the supplicant, such as is required
in a WSC enrollee registration when the Association Request didn't have
a v2.0 WSC IE.
This commit is contained in:
Andrew Zaborowski 2020-08-28 14:46:44 +02:00 committed by Denis Kenzior
parent 66e9d4fca9
commit 2231179b97
1 changed files with 9 additions and 4 deletions
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13
src/eapol.c
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@ -2417,7 +2417,7 @@ bool eapol_start(struct eapol_sm *sm)
sm->timeout = l_timeout_create(eapol_4way_handshake_time,
eapol_timeout, sm, NULL);
if (sm->use_eapol_start) {
if (!sm->handshake->authenticator && sm->use_eapol_start) {
/*
* We start a short timeout, if EAP packets are not received
* from AP, then we send the EAPoL-Start
@ -2442,9 +2442,14 @@ bool eapol_start(struct eapol_sm *sm)
if (!sm->protocol_version)
sm->protocol_version = EAPOL_PROTOCOL_VERSION_2004;
if (sm->handshake->settings_8021x)
eap_start(sm->eap);
else {
if (sm->handshake->settings_8021x) {
/*
* If we're allowed to, send EAP Identity request
* immediately, otherwise wait for an EAPoL-Start.
*/
if (!sm->use_eapol_start)
eap_start(sm->eap);
} else {
if (L_WARN_ON(!sm->handshake->have_pmk))
return false;