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mac80211: drop unencrypted frames in mesh fwding 

The mesh forwarding path was not checking that data
frames were protected when running an encrypted network;
add the necessary check.

Cc: stable@vger.kernel.org
Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Bob Copeland 2015-03-02 14:28:52 -05:00 committed by Johannes Berg
parent 9c1c98a3bb
commit d0c22119f5
1 changed files with 3 additions and 0 deletions
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3
net/mac80211/rx.c
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@ -2214,6 +2214,9 @@ ieee80211_rx_h_mesh_fwding(struct ieee80211_rx_data *rx)
hdr = (struct ieee80211_hdr *) skb->data;
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 */
if (ieee80211_is_data(hdr->frame_control) &&
is_multicast_ether_addr(hdr->addr1) &&