From: Manoj Sekar <quic_sekar@quicinc.com>
Date: Mon, 26 Feb 2024 12:48:21 +0000 (+0530)
Subject: Multi-AP: Reject non-Multi-AP STA association on backhaul-only BSS
X-Git-Tag: hostap_2_11~269
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a1512532e80e9ef158d1c11b23691673cd5cc78;p=thirdparty%2Fhostap.git

Multi-AP: Reject non-Multi-AP STA association on backhaul-only BSS

Do not allow non-Multi-AP STAs to associate with a BSS that is
configured as a backhaul-only.

Signed-off-by: Manoj Sekar <quic_sekar@quicinc.com>
---

diff --git a/src/ap/ieee802_11.c b/src/ap/ieee802_11.c
index f5de27446..f3761dce8 100644
--- a/src/ap/ieee802_11.c
+++ b/src/ap/ieee802_11.c
@@ -3426,6 +3426,18 @@ static u16 check_multi_ap(struct hostapd_data *hapd, struct sta_info *sta,
 	if (!hapd->conf->multi_ap)
 		return WLAN_STATUS_SUCCESS;
 
+	if (!multi_ap_ie) {
+		if (!(hapd->conf->multi_ap & FRONTHAUL_BSS)) {
+			hostapd_logger(hapd, sta->addr,
+				       HOSTAPD_MODULE_IEEE80211,
+				       HOSTAPD_LEVEL_INFO,
+				       "Non-Multi-AP STA tries to associate with backhaul-only BSS");
+			return WLAN_STATUS_ASSOC_DENIED_UNSPEC;
+		}
+
+		return WLAN_STATUS_SUCCESS;
+	}
+
 	status = check_multi_ap_ie(multi_ap_ie + 4, multi_ap_len - 4,
 				   &multi_ap);
 	if (status != WLAN_STATUS_SUCCESS)