Commit 18505e91 authored by Bob Copeland's avatar Bob Copeland Committed by Luis Henriques

mac80211: drop unencrypted frames in mesh fwding

commit d0c22119 upstream.

The mesh forwarding path was not checking that data
frames were protected when running an encrypted network;
add the necessary check.
Reported-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarBob Copeland <me@bobcopeland.com>
Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
Signed-off-by: default avatarLuis Henriques <luis.henriques@canonical.com>
parent bb8e3eb5
...@@ -2076,6 +2076,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx) ...@@ -2076,6 +2076,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
hdr = (struct ieee80211_hdr *) skb->data; hdr = (struct ieee80211_hdr *) skb->data;
mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen); mesh_hdr = (struct ieee80211s_hdr *) (skb->data + hdrlen);
if (ieee80211_drop_unencrypted(rx, hdr->frame_control))
return RX_DROP_MONITOR;
/* frame is in RMC, don't forward */ /* frame is in RMC, don't forward */
if (ieee80211_is_data(hdr->frame_control) && if (ieee80211_is_data(hdr->frame_control) &&
is_multicast_ether_addr(hdr->addr1) && is_multicast_ether_addr(hdr->addr1) &&
......
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