Add files via upload

tools/fido2-attach.sh

@@ -0,0 +1,15 @@
+#!/bin/sh
+
+# Copyright (c) 2020 Yubico AB. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+# SPDX-License-Identifier: BSD-2-Clause
+
+DEV=""
+
+while [ -z "${DEV}" ]; do
+	sleep .5
+	DEV="$(fido2-token -L | sed 's/^\(.*\): .*$/\1/;q')"
+done
+
+printf '%s\n' "${DEV}"