cfg80211: check if WEP is available for shared key auth

When shared key auth is requested, cfg80211
should verify that the device is capable of
WEP crypto which is required.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2010-08-10 09:46:42 +02:00 committed by John W. Linville
parent 5daa8a8e69
commit afea0b7af7

View File

@ -3572,6 +3572,21 @@ static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info)
if (err)
goto unlock_rtnl;
if (key.idx >= 0) {
int i;
bool ok = false;
for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) {
if (key.p.cipher == rdev->wiphy.cipher_suites[i]) {
ok = true;
break;
}
}
if (!ok) {
err = -EINVAL;
goto out;
}
}
if (!rdev->ops->auth) {
err = -EOPNOTSUPP;
goto out;