openwrt/package/network/services/hostapd/patches/021-fix-sta-add-after-previous-connection.patch
Ivan Pavlov da11a1e20c hostapd: update to version 2024-09-15
Remove upstreamed from 2.11 release:
  060-nl80211-fix-crash-when-adding-an-interface-fails.patch

Rebase all other patches

Signed-off-by: Ivan Pavlov <AuthorReflex@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/16338
Signed-off-by: Robert Marko <robimarko@gmail.com>
2024-09-16 10:32:43 +02:00

31 lines
1.5 KiB
Diff

From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 25 May 2021 10:50:16 +0200
Subject: [PATCH] fix adding back stations after a missed deauth/disassoc
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -4784,6 +4784,13 @@ 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)",
@@ -4797,7 +4804,8 @@ 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;