Bluetooth: Drop LE connections for blocked devices

Unlike BR/EDR we cannot reject LE connections of blocked devices but
have to do it as soon as we get a LE Connection Complete event. The
patch adds a blacklist check to the hci_le_conn_complete_evt function
and drops all connections for blocked devices.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index b9d16e0..ed49a06 100644 (file)
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -4038,6 +4038,7 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
        struct hci_ev_le_conn_complete *ev = (void *) skb->data;
        struct hci_conn *conn;
        struct smp_irk *irk;
+       u8 addr_type;
 
        BT_DBG("%s status 0x%2.2x", hdev->name, ev->status);
 
@@ -4119,6 +4120,17 @@ static void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
                conn->dst_type = irk->addr_type;
        }
 
+       if (conn->dst_type == ADDR_LE_DEV_PUBLIC)
+               addr_type = BDADDR_LE_PUBLIC;
+       else
+               addr_type = BDADDR_LE_RANDOM;
+
+       /* Drop the connection if he device is blocked */
+       if (hci_blacklist_lookup(hdev, &conn->dst, addr_type)) {
+               hci_conn_drop(conn);
+               goto unlock;
+       }
+
        if (ev->status) {
                hci_le_conn_failed(conn, ev->status);
                goto unlock;