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mac80211: ignore peer link requests from unauthenticated stations.

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Signed-off-by: Javier Cardona <javier@cozybit.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Javier Cardona
2011-04-07 15:08:32 -07:00
committed by John W. Linville
parent 71839121a0
commit 53e805111b
1 changed files with 9 additions and 0 deletions
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9
net/mac80211/mesh_plink.c
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@@ -372,6 +372,9 @@ int mesh_plink_open(struct sta_info *sta)
__le16 llid; __le16 llid;
struct ieee80211_sub_if_data *sdata = sta->sdata; struct ieee80211_sub_if_data *sdata = sta->sdata;
if (!test_sta_flags(sta, WLAN_STA_AUTH))
return -EPERM;
spin_lock_bh(&sta->lock); spin_lock_bh(&sta->lock);
get_random_bytes(&llid, 2); get_random_bytes(&llid, 2);
sta->llid = llid; sta->llid = llid;
@@ -484,6 +487,12 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
return; 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) { if (sta && sta->plink_state == PLINK_BLOCKED) {
rcu_read_unlock(); rcu_read_unlock();
return; return;