From: Kani M <kanisumi@codeaurora.org>
Date: Thu, 18 Feb 2021 07:25:44 +0000 (+0530)
Subject: Fix UPDATE_BEACON processing when disabled
X-Git-Tag: hostap_2_10~301
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f2fbf41d08eeb014bdb1cf120dbd907a3e824d0;p=thirdparty%2Fhostap.git

Fix UPDATE_BEACON processing when disabled

The hostapd process crashed when the UPDATE_BEACON control interface
command was issue after the interface was disabled. Check for this case
and return an error if the interface is disabled.

Signed-off-by: Kani M <kanisumi@codeaurora.org>
---

diff --git a/src/ap/beacon.c b/src/ap/beacon.c
index 7d9e8b923..15fc2b3db 100644
--- a/src/ap/beacon.c
+++ b/src/ap/beacon.c
@@ -1753,6 +1753,11 @@ int ieee802_11_set_beacon(struct hostapd_data *hapd)
 	struct wpabuf *beacon, *proberesp, *assocresp;
 	int res, ret = -1;
 
+	if (!hapd->drv_priv) {
+		wpa_printf(MSG_ERROR, "Interface is disabled");
+		return -1;
+	}
+
 	if (hapd->csa_in_progress) {
 		wpa_printf(MSG_ERROR, "Cannot set beacons during CSA period");
 		return -1;