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FILS: Fix PTK rekeying

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The PMK and PMKID information from FILS ERP and FILS PMKSA caching needs
to be stored within struct wpa_state_machine for PTK to work. Without
this, PTK derivation would fail and attempt to go through rekeying would
result in disconnection. Furthermore, wpa_rekey_ptk() timer needs to be
started at the completion of FILS association since the place where it
was done for non-FILS cases at the end of 4-way handshake is not reached
when FILS authentication is used.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2019-04-17 22:52:23 +03:00 • committed by Jouni Malinen
parent c8931afe24
commit a40bd06e9b
4 changed files with 51 additions and 6 deletions
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2
src/ap/ieee802_11.c
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@ -1821,6 +1821,8 @@ prepare_auth_resp_fils(struct hostapd_data *hapd,
}
sta->fils_erp_pmkid_set = 0;
wpa_auth_add_fils_pmk_pmkid(sta->wpa_sm, pmk, pmk_len,
sta->fils_erp_pmkid);
if (!hapd->conf->disable_pmksa_caching &&
wpa_auth_pmksa_add2(
hapd->wpa_auth, sta->addr,