Don't store the link key for "no bonding" cases

We should not store the link key if either side had "no bonding" as
their authentication requirement.

2 files changed, 14 insertions, 5 deletions

diff --git a/src/dbus-hci.c b/src/dbus-hci.c
index 562609e0..5238d36f 100644
--- a/src/dbus-hci.c
+++ b/src/dbus-hci.c
@@ -902,15 +902,22 @@ int hcid_dbus_link_key_notify(bdaddr_t *local, bdaddr_t *peer,
 {
 	struct btd_device *device;
 	struct btd_adapter *adapter;
-	int err;
+	uint8_t local_auth = 0xff, remote_auth;
 
 	if (!get_adapter_and_device(local, peer, &adapter, &device, TRUE))
 		return -ENODEV;
 
-	err = write_link_key(local, peer, key, key_type, pin_length);
-	if (err < 0) {
-		error("write_link_key: %s (%d)", strerror(-err), -err);
-		return err;
+	get_auth_requirements(local, peer, &local_auth);
+	remote_auth = device_get_auth(device);
+
+	/* Only store the link key if neither side had "no bonding" as a
+	 * requirement */
+	if (local_auth > 0x01 && remote_auth > 0x01) {
+		int err = write_link_key(local, peer, key, key_type, pin_length);
+		if (err < 0) {
+			error("write_link_key: %s (%d)", strerror(-err), -err);
+			return err;
+		}
 	}
 
 	/* If this is not the first link key set a flag so a subsequent auth
diff --git a/src/device.c b/src/device.c
index fa8658e5..68d7bf21 100644
--- a/src/device.c
+++ b/src/device.c
@@ -640,6 +640,8 @@ struct btd_device *device_create(DBusConnection *conn, struct btd_adapter *adapt
 	str2ba(address, &device->bdaddr);
 	device->adapter = adapter;
 
+	device->auth = 0xff;
+
 	return device;
 }