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mac80211: drop unencrypted frames if encryption is expected

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This patch fixes a regression I (most likely) introduced, namely that
unencrypted frames are right now accepted even if we have a key for that
specific sender. That has very bad security implications.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2007-11-28 11:07:57 +01:00 committed by John W. Linville
parent 8b393f1dc7
commit 8312512e81
1 changed files with 1 additions and 1 deletions
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2
net/mac80211/rx.c
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@ -997,7 +997,7 @@ ieee80211_rx_h_drop_unencrypted(struct ieee80211_txrx_data *rx)
if (unlikely(!(rx->fc & IEEE80211_FCTL_PROTECTED) &&
(rx->fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_DATA &&
(rx->fc & IEEE80211_FCTL_STYPE) != IEEE80211_STYPE_NULLFUNC &&
rx->sdata->drop_unencrypted &&
(rx->key || rx->sdata->drop_unencrypted) &&
(rx->sdata->eapol == 0 || !ieee80211_is_eapol(rx->skb)))) {
if (net_ratelimit())
printk(KERN_DEBUG "%s: RX non-WEP frame, but expected "