| --- a/src/ap/ieee802_11.c |
| +++ b/src/ap/ieee802_11.c |
| @@ -4963,6 +4963,13 @@ static int add_associated_sta(struct hos |
| * drivers to accept the STA parameter configuration. Since this is |
| * after a new FT-over-DS exchange, a new TK has been derived, so key |
| * reinstallation is not a concern for this case. |
| + * |
| + * If the STA was associated and authorized earlier, but came for a new |
| + * connection (!added_unassoc + !reassoc), remove the existing STA entry |
| + * so that it can be re-added. This case is rarely seen when the AP could |
| + * not receive the deauth/disassoc frame from the STA. And the STA comes |
| + * back with new connection within a short period or before the inactive |
| + * STA entry is removed from the list. |
| */ |
| wpa_printf(MSG_DEBUG, "Add associated STA " MACSTR |
| " (added_unassoc=%d auth_alg=%u ft_over_ds=%u reassoc=%d authorized=%d ft_tk=%d fils_tk=%d)", |
| @@ -4976,7 +4983,8 @@ static int add_associated_sta(struct hos |
| (!(sta->flags & WLAN_STA_AUTHORIZED) || |
| (reassoc && sta->ft_over_ds && sta->auth_alg == WLAN_AUTH_FT) || |
| (!wpa_auth_sta_ft_tk_already_set(sta->wpa_sm) && |
| - !wpa_auth_sta_fils_tk_already_set(sta->wpa_sm)))) { |
| + !wpa_auth_sta_fils_tk_already_set(sta->wpa_sm)) || |
| + (!reassoc && (sta->flags & WLAN_STA_AUTHORIZED)))) { |
| hostapd_drv_sta_remove(hapd, sta->addr); |
| wpa_auth_sm_event(sta->wpa_sm, WPA_DRV_STA_REMOVED); |
| set = 0; |