Bluetooth: Add SMP flag for SC and set it when necessary.
This patch adds a new SMP flag for tracking whether Secure Connections
is in use and sets the flag when both remote and local side have elected
to use Secure Connections.
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index bfa839e..3808ade 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -45,6 +45,7 @@
SMP_FLAG_MITM_AUTH,
SMP_FLAG_COMPLETE,
SMP_FLAG_INITIATOR,
+ SMP_FLAG_SC,
};
struct smp_chan {
@@ -973,6 +974,9 @@
build_pairing_cmd(conn, req, &rsp, auth);
+ if (rsp.auth_req & SMP_AUTH_SC)
+ set_bit(SMP_FLAG_SC, &smp->flags);
+
key_size = min(req->max_key_size, rsp.max_key_size);
if (check_enc_key_size(conn, key_size))
return SMP_ENC_KEY_SIZE;
@@ -1020,6 +1024,9 @@
auth = rsp->auth_req & AUTH_REQ_MASK(hdev);
+ if ((req->auth_req & SMP_AUTH_SC) && (auth & SMP_AUTH_SC))
+ set_bit(SMP_FLAG_SC, &smp->flags);
+
/* If we need MITM check that it can be achieved */
if (conn->hcon->pending_sec_level >= BT_SECURITY_HIGH) {
u8 method;