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Diffstat (limited to 'net/mac80211/mesh_plink.c')
-rw-r--r--net/mac80211/mesh_plink.c35
1 files changed, 28 insertions, 7 deletions
diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c
index 44b53931ba5..84e5b056af0 100644
--- a/net/mac80211/mesh_plink.c
+++ b/net/mac80211/mesh_plink.c
@@ -105,7 +105,7 @@ static struct sta_info *mesh_plink_alloc(struct ieee80211_sub_if_data *sdata,
if (!sta)
return NULL;
- sta->flags = WLAN_STA_AUTHORIZED;
+ sta->flags = WLAN_STA_AUTHORIZED | WLAN_STA_AUTH;
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
rate_control_rate_init(sta);
@@ -161,7 +161,7 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
__le16 reason) {
struct ieee80211_local *local = sdata->local;
struct sk_buff *skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400 +
- sdata->u.mesh.vendor_ie_len);
+ sdata->u.mesh.ie_len);
struct ieee80211_mgmt *mgmt;
bool include_plid = false;
static const u8 meshpeeringproto[] = { 0x00, 0x0F, 0xAC, 0x2A };
@@ -237,8 +237,9 @@ static int mesh_plink_frame_tx(struct ieee80211_sub_if_data *sdata,
return 0;
}
-void mesh_neighbour_update(u8 *hw_addr, u32 rates, struct ieee80211_sub_if_data *sdata,
- bool peer_accepting_plinks)
+void mesh_neighbour_update(u8 *hw_addr, u32 rates,
+ struct ieee80211_sub_if_data *sdata,
+ struct ieee802_11_elems *elems)
{
struct ieee80211_local *local = sdata->local;
struct sta_info *sta;
@@ -248,8 +249,14 @@ void mesh_neighbour_update(u8 *hw_addr, u32 rates, struct ieee80211_sub_if_data
sta = sta_info_get(sdata, hw_addr);
if (!sta) {
rcu_read_unlock();
-
- sta = mesh_plink_alloc(sdata, hw_addr, rates);
+ /* Userspace handles peer allocation when security is enabled
+ * */
+ if (sdata->u.mesh.is_secure)
+ cfg80211_notify_new_peer_candidate(sdata->dev, hw_addr,
+ elems->ie_start, elems->total_len,
+ GFP_KERNEL);
+ else
+ sta = mesh_plink_alloc(sdata, hw_addr, rates);
if (!sta)
return;
if (sta_info_insert_rcu(sta)) {
@@ -260,7 +267,8 @@ void mesh_neighbour_update(u8 *hw_addr, u32 rates, struct ieee80211_sub_if_data
sta->last_rx = jiffies;
sta->sta.supp_rates[local->hw.conf.channel->band] = rates;
- if (peer_accepting_plinks && sta->plink_state == PLINK_LISTEN &&
+ if (mesh_peer_accepts_plinks(elems) &&
+ sta->plink_state == PLINK_LISTEN &&
sdata->u.mesh.accepting_plinks &&
sdata->u.mesh.mshcfg.auto_open_plinks)
mesh_plink_open(sta);
@@ -372,6 +380,9 @@ int mesh_plink_open(struct sta_info *sta)
__le16 llid;
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ if (!test_sta_flags(sta, WLAN_STA_AUTH))
+ return -EPERM;
+
spin_lock_bh(&sta->lock);
get_random_bytes(&llid, 2);
sta->llid = llid;
@@ -449,6 +460,10 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
mpl_dbg("Mesh plink: missing necessary peer link ie\n");
return;
}
+ if (elems.rsn_len && !sdata->u.mesh.is_secure) {
+ mpl_dbg("Mesh plink: can't establish link with secure peer\n");
+ return;
+ }
ftype = mgmt->u.action.u.plink_action.action_code;
ie_len = elems.peer_link_len;
@@ -480,6 +495,12 @@ void mesh_rx_plink_frame(struct ieee80211_sub_if_data *sdata, struct ieee80211_m
return;
}
+ if (sta && !test_sta_flags(sta, WLAN_STA_AUTH)) {
+ mpl_dbg("Mesh plink: Action frame from non-authed peer\n");
+ rcu_read_unlock();
+ return;
+ }
+
if (sta && sta->plink_state == PLINK_BLOCKED) {
rcu_read_unlock();
return;