From 23976efedd5ecb420b87455787c537eb4aed1981 Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Sat, 28 Jun 2008 02:50:13 +0300 Subject: mac80211: don't accept WEP keys other than WEP40 and WEP104 This patch makes mac80211 refuse a WEP key whose length is not WEP40 nor WEP104. Signed-off-by: Emmanuel Grumbach Signed-off-by: Tomas Winkler Signed-off-by: John W. Linville --- net/mac80211/wext.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'net') diff --git a/net/mac80211/wext.c b/net/mac80211/wext.c index 6106cb79060..e8404212ad5 100644 --- a/net/mac80211/wext.c +++ b/net/mac80211/wext.c @@ -95,6 +95,13 @@ static int ieee80211_set_encryption(struct net_device *dev, u8 *sta_addr, } } + if (alg == ALG_WEP && + key_len != LEN_WEP40 && key_len != LEN_WEP104) { + ieee80211_key_free(key); + err = -EINVAL; + goto out_unlock; + } + ieee80211_key_link(key, sdata, sta); if (set_tx_key || (!sta && !sdata->default_key && key)) -- cgit v1.2.3