Bluetooth: Add support for running SMP without a socket

When doing the pairing procedure we won't have an associated
socket, but we still have to do the SMP negotiation. This
adds support for encrypting the link and exchanging keys.

Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@openbossa.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

1 files changed, 8 insertions, 2 deletions

diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index 8136752d824..e699837c3b8 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -907,6 +907,9 @@ static void l2cap_conn_ready(struct l2cap_conn *conn)
         if (!conn->hcon->out && conn->hcon->type == LE_LINK)
                 l2cap_le_conn_ready(conn);
 
+        if (conn->hcon->out && conn->hcon->type == LE_LINK)
+                smp_conn_security(conn, conn->hcon->pending_sec_level);
+
         read_lock(&conn->chan_lock);
 
         list_for_each_entry(chan, &conn->chan_l, list) {
@@ -4095,6 +4098,11 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
 
         BT_DBG("conn %p", conn);
 
+        if (hcon->type == LE_LINK) {
+                smp_distribute_keys(conn, 0);
+                del_timer(&conn->security_timer);
+        }
+
         read_lock(&conn->chan_lock);
 
         list_for_each_entry(chan, &conn->chan_l, list) {
@@ -4107,9 +4115,7 @@ static int l2cap_security_cfm(struct hci_conn *hcon, u8 status, u8 encrypt)
                 if (chan->scid == L2CAP_CID_LE_DATA) {
                         if (!status && encrypt) {
                                 chan->sec_level = hcon->sec_level;
-                                del_timer(&conn->security_timer);
                                 l2cap_chan_ready(sk);
-                                smp_distribute_keys(conn, 0);
                         }
 
                         bh_unlock_sock(sk);