#!/bin/bash -ex
# vim: set ts=8 shiftwidth=4 softtabstop=4 expandtab smarttab colorcolumn=80:
#
# Copyright (c) 2020 Red Hat, Inc.
# Author: Sergio Correia <scorreia@redhat.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#

TEST="${0}"
. tests-common-functions
. clevis-luks-common-functions

on_exit() {
    local exit_status=$?
    tang_stop "${TMP}"
    [ -d "${TMP}" ] && rm -rf "${TMP}"
    exit "${exit_status}"
}

trap 'on_exit' EXIT

TMP="$(mktemp -d)"

port=$(tang_new_random_port)
tang_run "${TMP}" "${port}"

url="http://localhost:${port}"
ADV="${TMP}/adv.jws"
tang_get_adv "${port}" "${ADV}"
CFG="$(printf '{"url":"%s","adv":"%s"}' "${url}" "$ADV")"

# LUKS1.
DEV="${TMP}/luks1-device"
KEYFILE="${TMP}/key"

# Using a binary key file.
dd if=/dev/urandom bs=4096 count=1 2>/dev/null > "${KEYFILE}"

new_device_keyfile "luks1" "${DEV}" "${KEYFILE}"
if ! clevis luks bind -f -k "${KEYFILE}" -d "${DEV}" tang "${CFG}"; then
    error "${TEST}: Binding is expected to succeed when given a correct (${KEYFILE}) keyfile."
fi

if ! clevis_luks_unlock_device "${DEV}" >/dev/null; then
    error "${TEST}: Unlock of ${DEV} is expected to work."
fi