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AP: Handle deauthentication frame from PASN station

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When a Deauthentication frame is received, clear the corresponding PTKSA
cache entry for the given station, to invalidate previous PTK
information.

Signed-off-by: Ilan Peer <ilan.peer@intel.com>
This commit is contained in:
Ilan Peer 2021-03-15 14:57:10 +02:00 committed by Jouni Malinen
parent 166e357e63
commit 1ca1c3cfee
1 changed files with 3 additions and 0 deletions
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3
src/ap/ieee802_11.c
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@ -5837,6 +5837,9 @@ static void handle_deauth(struct hostapd_data *hapd,
" reason_code=%d", " reason_code=%d",
MAC2STR(mgmt->sa), le_to_host16(mgmt->u.deauth.reason_code)); MAC2STR(mgmt->sa), le_to_host16(mgmt->u.deauth.reason_code));
/* Clear the PTKSA cache entries for PASN */
ptksa_cache_flush(hapd->ptksa, mgmt->sa, WPA_CIPHER_NONE);
sta = ap_get_sta(hapd, mgmt->sa); sta = ap_get_sta(hapd, mgmt->sa);
if (sta == NULL) { if (sta == NULL) {
wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR " trying " wpa_msg(hapd->msg_ctx, MSG_DEBUG, "Station " MACSTR " trying "