C++ (Cpp) bt_smp_send_security_req Examples

Example #1

File: conn.c Project: sunkaizhu/zephyr

static int start_security(struct bt_conn *conn)
{
	switch (conn->role) {
	case BT_HCI_ROLE_MASTER:
		return bt_smp_send_pairing_req(conn);
	case BT_HCI_ROLE_SLAVE:
		return bt_smp_send_security_req(conn);
	default:
		return -EINVAL;
	}
}

Example #2

File: conn.c Project: 32bitmicro/zephyr

static int start_security(struct bt_conn *conn)
{
#if defined(CONFIG_BLUETOOTH_BREDR)
	if (conn->type == BT_CONN_TYPE_BR) {
		if (atomic_test_bit(conn->flags, BT_CONN_BR_PAIRING)) {
			return -EBUSY;
		}

		if (conn->required_sec_level > BT_SECURITY_HIGH) {
			return -ENOTSUP;
		}

		if (bt_conn_get_io_capa() == BT_IO_NO_INPUT_OUTPUT &&
		    conn->required_sec_level > BT_SECURITY_MEDIUM) {
			return -EINVAL;
		}

		return conn_auth(conn);
	}
#endif /* CONFIG_BLUETOOTH_BREDR */

	switch (conn->role) {
#if defined(CONFIG_BLUETOOTH_CENTRAL) && defined(CONFIG_BLUETOOTH_SMP)
	case BT_HCI_ROLE_MASTER:
	{
		if (!conn->keys) {
			conn->keys = bt_keys_find(BT_KEYS_LTK_P256,
						  &conn->le.dst);
			if (!conn->keys) {
				conn->keys = bt_keys_find(BT_KEYS_LTK,
							  &conn->le.dst);
			}
		}

		if (!conn->keys ||
		    !(conn->keys->keys & (BT_KEYS_LTK | BT_KEYS_LTK_P256))) {
			return bt_smp_send_pairing_req(conn);
		}

		if (conn->required_sec_level > BT_SECURITY_MEDIUM &&
		    !atomic_test_bit(&conn->keys->flags,
				     BT_KEYS_AUTHENTICATED)) {
			return bt_smp_send_pairing_req(conn);
		}

		if (conn->required_sec_level > BT_SECURITY_HIGH &&
		    !atomic_test_bit(&conn->keys->flags,
				     BT_KEYS_AUTHENTICATED) &&
		    !(conn->keys->keys & BT_KEYS_LTK_P256)) {
			return bt_smp_send_pairing_req(conn);
		}

		/* LE SC LTK and legacy master LTK are stored in same place */
		return bt_conn_le_start_encryption(conn, conn->keys->ltk.rand,
						   conn->keys->ltk.ediv,
						   conn->keys->ltk.val,
						   conn->keys->enc_size);
	}
#endif /* CONFIG_BLUETOOTH_CENTRAL && CONFIG_BLUETOOTH_SMP */
#if defined(CONFIG_BLUETOOTH_PERIPHERAL) && defined(CONFIG_BLUETOOTH_SMP)
	case BT_HCI_ROLE_SLAVE:
		return bt_smp_send_security_req(conn);
#endif /* CONFIG_BLUETOOTH_PERIPHERAL && CONFIG_BLUETOOTH_SMP */
	default:
		return -EINVAL;
	}
}