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Commit 53e80511 authored by Javier Cardona's avatar Javier Cardona Committed by John W. Linville
Browse files

mac80211: ignore peer link requests from unauthenticated stations. 



Signed-off-by: default avatarJavier Cardona <javier@cozybit.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 71839121

net/mac80211/mesh_plink.c

+9 −0
Original line number Diff line number Diff line
@@ -372,6 +372,9 @@ int mesh_plink_open(struct sta_info *sta) 
	__le16 llid;

	struct ieee80211_sub_if_data *sdata = sta->sdata;



	if (!test_sta_flags(sta, WLAN_STA_AUTH))

		return -EPERM;



	spin_lock_bh(&sta->lock);

	get_random_bytes(&llid, 2);

	sta->llid = llid;
@@ -484,6 +487,12 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m 
		return;

	}



	if (sta && !test_sta_flags(sta, WLAN_STA_AUTH)) {

		mpl_dbg("Mesh plink: Action frame from non-authed peer\n");

		rcu_read_unlock();

		return;

	}



	if (sta && sta->plink_state == PLINK_BLOCKED) {

		rcu_read_unlock();

		return;