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authorEmmanuel Grumbach <emmanuel.grumbach@intel.com>2008-06-27 19:50:13 -0400
committerJohn W. Linville <linville@tuxdriver.com>2008-06-30 15:43:53 -0400
commit23976efedd5ecb420b87455787c537eb4aed1981 (patch)
tree902550e2716af5682de8219da1f228e13a5f0adb /net
parent1bcca3c463e4930cef9986b05165bb0b3eb46f63 (diff)
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 <emmanuel.grumbach@intel.com> Signed-off-by: Tomas Winkler <tomas.winkler@intel.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/wext.c7
1 files changed, 7 insertions, 0 deletions
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,
95 } 95 }
96 } 96 }
97 97
98 if (alg == ALG_WEP &&
99 key_len != LEN_WEP40 && key_len != LEN_WEP104) {
100 ieee80211_key_free(key);
101 err = -EINVAL;
102 goto out_unlock;
103 }
104
98 ieee80211_key_link(key, sdata, sta); 105 ieee80211_key_link(key, sdata, sta);
99 106
100 if (set_tx_key || (!sta && !sdata->default_key && key)) 107 if (set_tx_key || (!sta && !sdata->default_key && key))