提交 e80cf853 编写于 作者: J Johannes Berg 提交者: John W. Linville

cfg80211: disallow interfering with stations on non-AP

On non-AP interfaces userspace has no business interfering with
the station management, this can confuse mac80211 (and other
drivers probably wouldn't support it anyway). Allow adding and
removing stations only on AP interfaces.
Signed-off-by: NJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>
上级 528769cf
......@@ -1746,6 +1746,12 @@ static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
if (err)
goto out_rtnl;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) {
err = -EINVAL;
goto out;
}
err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, &params.vlan);
if (err)
goto out;
......@@ -1789,6 +1795,12 @@ static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
if (err)
goto out_rtnl;
if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP &&
dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN) {
err = -EINVAL;
goto out;
}
if (!drv->ops->del_station) {
err = -EOPNOTSUPP;
goto out;
......
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