#!/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 Dropbear Initramfs and replace the binaries with the previous Ultra Hardened build.
# Globals:
#   DIR_TMP
#   TARGET
# Arguments:
#   None
# Returns:
#   0: on success
#######################################
install_dropbear_initramfs() {
  declare var_file
  do_in_target "${TARGET}" apt-get install -y dropbear-initramfs
  do_in_target "${TARGET}" apt-mark hold -y dropbear dropbear-initramfs

  mv "${TARGET}/usr/sbin/dropbear" "${TARGET}/usr/sbin/dropbear.2022.83"
  install -D -m 0755 -o root -g root "${DIR_TMP}/build/dropbear-2025.88/dropbear" "${TARGET}/usr/sbin/"

  for var_file in dbclient dropbearconvert dropbearkey; do
    mv "${TARGET}/usr/bin/${var_file}" "${TARGET}/usr/bin/${var_file}.2022.83"
    install -D -m 0755 -o root -g root "${DIR_TMP}/build/dropbear-2025.88/${var_file}" "${TARGET}/usr/bin/"
  done

  return 0
}
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