citadel-core/scripts/citadel-os/change-password

#!/usr/bin/env bash

# SPDX-FileCopyrightText: 2021-2022 Citadel and contributors
#
# SPDX-License-Identifier: GPL-3.0-or-later

set -euo pipefail

CITADEL_ROOT="$(readlink -f $(dirname "${BASH_SOURCE[0]}")/../..)"
PASSWORD_FILE="${CITADEL_ROOT}/statuses/password"

check_root () {
  if [[ $UID != 0 ]]; then
    echo "This script must be run as root"
    exit 1
  fi
}

check_citadel_os () {
  [[ -f "/etc/default/citadel" ]] && source "/etc/default/citadel"
  if [[ -z "${CITADEL_OS:-}" ]]; then
    echo "This script must only be run on Citadel OS"
    exit 1
  fi
}

password="$(cat ${PASSWORD_FILE})"
echo "false" > "${PASSWORD_FILE}"

check_root
check_citadel_os

if [[ "${password}" == "" ]] || [[ "${password}" == "false" ]] || [[ "${password}" == "true" ]]; then
  echo "Password not set in status file: \"${PASSWORD_FILE}\""
  exit 1
fi

echo -e "${password}\n${password}" | passwd citadel
echo "true" > "${PASSWORD_FILE}"