120 lines
2.7 KiB
Diff
120 lines
2.7 KiB
Diff
Subject: mac80211: support adding/removing keys via cfg80211
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This adds the necessary hooks to mac80211 to allow userspace
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to edit keys with cfg80211 (through nl80211.)
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Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
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---
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net/mac80211/cfg.c | 91 +++++++++++++++++++++++++++++++++++++++++++++++++++++
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1 file changed, 91 insertions(+)
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--- everything.orig/net/mac80211/cfg.c 2007-11-07 13:19:29.441515732 +0100
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+++ everything/net/mac80211/cfg.c 2007-11-07 13:19:39.531517685 +0100
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@@ -6,6 +6,7 @@
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* This file is GPLv2 as found in COPYING.
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*/
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+#include <linux/ieee80211.h>
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#include <linux/nl80211.h>
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#include <linux/rtnetlink.h>
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#include <net/net_namespace.h>
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@@ -105,8 +106,98 @@ static int ieee80211_change_iface(struct
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return 0;
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}
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+static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
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+ u8 key_idx, u8 *mac_addr,
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+ struct key_params *params)
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+{
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+ struct ieee80211_sub_if_data *sdata;
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+ struct sta_info *sta = NULL;
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+ enum ieee80211_key_alg alg;
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+ int ret;
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+
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+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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+
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+ switch (params->cipher) {
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+ case WLAN_CIPHER_SUITE_WEP40:
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+ case WLAN_CIPHER_SUITE_WEP104:
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+ alg = ALG_WEP;
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+ break;
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+ case WLAN_CIPHER_SUITE_TKIP:
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+ alg = ALG_TKIP;
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+ break;
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+ case WLAN_CIPHER_SUITE_CCMP:
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+ alg = ALG_CCMP;
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ if (mac_addr) {
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+ sta = sta_info_get(sdata->local, mac_addr);
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+ if (!sta)
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+ return -ENOENT;
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+ }
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+
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+ ret = 0;
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+ if (!ieee80211_key_alloc(sdata, sta, alg, key_idx,
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+ params->key_len, params->key))
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+ ret = -ENOMEM;
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+
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+ if (sta)
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+ sta_info_put(sta);
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+
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+ return ret;
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+}
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+
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+static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
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+ u8 key_idx, u8 *mac_addr)
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+{
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+ struct ieee80211_sub_if_data *sdata;
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+ struct sta_info *sta;
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+ int ret;
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+
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+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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+
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+ if (mac_addr) {
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+ sta = sta_info_get(sdata->local, mac_addr);
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+ if (!sta)
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+ return -ENOENT;
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+
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+ ret = 0;
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+ if (sta->key)
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+ ieee80211_key_free(sta->key);
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+ else
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+ ret = -ENOENT;
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+
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+ sta_info_put(sta);
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+ return ret;
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+ }
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+
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+ if (!sdata->keys[key_idx])
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+ return -ENOENT;
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+
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+ ieee80211_key_free(sdata->keys[key_idx]);
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+
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+ return 0;
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+}
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+
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+static int ieee80211_config_default_key(struct wiphy *wiphy,
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+ struct net_device *dev,
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+ u8 key_idx)
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+{
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+ struct ieee80211_sub_if_data *sdata;
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+
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+ sdata = IEEE80211_DEV_TO_SUB_IF(dev);
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+ ieee80211_set_default_key(sdata, key_idx);
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+
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+ return 0;
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+}
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+
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struct cfg80211_ops mac80211_config_ops = {
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.add_virtual_intf = ieee80211_add_iface,
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.del_virtual_intf = ieee80211_del_iface,
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.change_virtual_intf = ieee80211_change_iface,
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+ .add_key = ieee80211_add_key,
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+ .del_key = ieee80211_del_key,
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+ .set_default_key = ieee80211_config_default_key,
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};
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