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mac80211: properly validate/translate IW_AUTH_MFP values

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Make sure nobody passes in bogus values, and translate the values
(although it isn't necessary).

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2009-02-10 21:25:40 +01:00 committed by John W. Linville
parent a472780100
commit e4e5e2b0b8
1 changed files with 15 additions and 3 deletions
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18
net/mac80211/wext.c
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@ -982,9 +982,21 @@ static int ieee80211_ioctl_siwauth(struct net_device *dev,
break;
}
if (sdata->vif.type == NL80211_IFTYPE_STATION ||
sdata->vif.type == NL80211_IFTYPE_ADHOC)
sdata->u.sta.mfp = data->value;
else
sdata->vif.type == NL80211_IFTYPE_ADHOC) {
switch (data->value) {
case IW_AUTH_MFP_DISABLED:
sdata->u.sta.mfp = IEEE80211_MFP_DISABLED;
break;
case IW_AUTH_MFP_OPTIONAL:
sdata->u.sta.mfp = IEEE80211_MFP_OPTIONAL;
break;
case IW_AUTH_MFP_REQUIRED:
sdata->u.sta.mfp = IEEE80211_MFP_REQUIRED;
break;
default:
ret = -EINVAL;
}
} else
ret = -EOPNOTSUPP;
break;
default: