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Fix problem with WEP unicast key > index 0

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The functions ieee80211_wx_{get,set}_encodeext fail if one tries to set
unicast (IW_ENCODE_EXT_GROUP_KEY not set) keys at key indices>0. But at
least some Cisco APs dish out dynamic WEP unicast keys at index !=0.

Signed-off-by: Volker Braun <volker.braun@physik.hu-berlin.de>
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
This commit is contained in:
Volker Braun 2005-10-24 10:15:36 -05:00 committed by James Ketrenos
parent 81f875208e
commit e189277a3f
1 changed files with 4 additions and 2 deletions
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6
net/ieee80211/ieee80211_wx.c
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@ -522,7 +522,8 @@ int ieee80211_wx_set_encodeext(struct ieee80211_device *ieee,
crypt = &ieee->crypt[idx]; crypt = &ieee->crypt[idx];
group_key = 1; group_key = 1;
} else { } else {
if (idx != 0) /* some Cisco APs use idx>0 for unicast in dynamic WEP */
if (idx != 0 && ext->alg != IW_ENCODE_ALG_WEP)
return -EINVAL; return -EINVAL;
if (ieee->iw_mode == IW_MODE_INFRA) if (ieee->iw_mode == IW_MODE_INFRA)
crypt = &ieee->crypt[idx]; crypt = &ieee->crypt[idx];
@ -690,7 +691,8 @@ int ieee80211_wx_get_encodeext(struct ieee80211_device *ieee,
} else } else
idx = ieee->tx_keyidx; idx = ieee->tx_keyidx;
if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY) if (!ext->ext_flags & IW_ENCODE_EXT_GROUP_KEY &&
ext->alg != IW_ENCODE_ALG_WEP)
if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA) if (idx != 0 || ieee->iw_mode != IW_MODE_INFRA)
return -EINVAL; return -EINVAL;