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authorBob Copeland <me@bobcopeland.com>2015-03-02 14:28:52 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-04-13 14:03:00 +0200
commit21fa7aacaeab9ddf6147b972ae52622424c57874 (patch)
tree6c137f154ed9380809576b6a2a01d9b9f26c953b /net
parent3ff96867c55f70d0625aa4fdbbae61d66f488a5c (diff)
downloadlinux-linaro-stable-21fa7aacaeab9ddf6147b972ae52622424c57874.tar.gz
mac80211: drop unencrypted frames in mesh fwding
commit d0c22119f574b851e63360c6b8660fe9593bbc3c upstream. The mesh forwarding path was not checking that data frames were protected when running an encrypted network; add the necessary check. Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Bob Copeland <me@bobcopeland.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/rx.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 815ca56b39e7..9abb445ea261 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -2107,6 +2107,9 @@ 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) &&