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OCV: Disconnect STAs that do not use SA Query after CSA

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Verify that all associated STAs that claim support for OCV initiate an
SA Query after CSA. If no SA Query is seen within 15 seconds,
deauthenticate the STA.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This commit is contained in:
Jouni Malinen 2020-05-25 21:55:49 +03:00 • committed by Jouni Malinen
parent 01ceb88c77
commit 8ee0bc622a
5 changed files with 54 additions and 2 deletions
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27
src/ap/hostapd.c
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@ -439,6 +439,10 @@ static void hostapd_free_hapd_data(struct hostapd_data *hapd)
hostapd_clean_rrm(hapd);
fils_hlp_deinit(hapd);
#ifdef CONFIG_OCV
eloop_cancel_timeout(hostapd_ocv_check_csa_sa_query, hapd, NULL);
#endif /* CONFIG_OCV */
#ifdef CONFIG_SAE
{
struct hostapd_sae_commit_queue *q;
@ -3151,6 +3155,7 @@ void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
hostapd_prune_associations(hapd, sta->addr);
ap_sta_clear_disconnect_timeouts(hapd, sta);
sta->post_csa_sa_query = 0;
#ifdef CONFIG_P2P
if (sta->p2p_ie == NULL && !sta->no_p2p_set) {
@ -3662,3 +3667,25 @@ void hostapd_periodic_iface(struct hostapd_iface *iface)
#endif /* CONFIG_NO_RADIUS */
}
}
#ifdef CONFIG_OCV
void hostapd_ocv_check_csa_sa_query(void *eloop_ctx, void *timeout_ctx)
{
struct hostapd_data *hapd = eloop_ctx;
struct sta_info *sta;
wpa_printf(MSG_DEBUG, "OCV: Post-CSA SA Query initiation check");
for (sta = hapd->sta_list; sta; sta = sta->next) {
if (!sta->post_csa_sa_query)
continue;
wpa_printf(MSG_DEBUG, "OCV: OCVC STA " MACSTR
" did not start SA Query after CSA - disconnect",
MAC2STR(sta->addr));
ap_sta_disconnect(hapd, sta, sta->addr,
WLAN_REASON_PREV_AUTH_NOT_VALID);
}
}
#endif /* CONFIG_OCV */