#!/bin/bash
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-FileType: SOURCE
# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
# SPDX-PackageName: CISS.debian.installer
# SPDX-Security-Contact: security@coresecret.eu

guard_sourcing

#######################################
# Install Kernel Hardening-Presets '/etc/sysctl.d/9999_ciss_debian_installer.hardened'.
# Globals:
#   TARGET
#   VAR_SETUP_PATH
# Arguments:
#   None
# Returns:
#   0: on success
#######################################
kernel_sysctl() {
  install -D -m 0644 -o root -g root "${VAR_SETUP_PATH}/includes/target/etc/sysctl.d/9999_ciss_debian_installer.hardened" \
    "${TARGET}/etc/sysctl.d/9999_ciss_debian_installer.hardened"

  insert_comments "${TARGET}/etc/sysctl.d/9999_ciss_debian_installer.hardened"

  do_log "info" "file_only" "4410() Installed: '/etc/sysctl.d/9999_ciss_debian_installer.hardened'."

  guard_dir && return 0
}
### Prevents accidental 'unset -f'.
# shellcheck disable=SC2034
readonly -f kernel_sysctl
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh