#!/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

#######################################
# Build Ultra Hardened dropbear-2025.88 from sources.
# Globals:
#   DIR_TMP
#   ERR_PATH_NOT_VALID
#   VAR_SETUP_PATH
# Arguments:
#   None
# Returns:
#   ERR_PATH_NOT_VALID
#   0: on success
#######################################
build_dropbear() {
  declare file
  mkdir -p "${DIR_TMP}/build"

  cp "${VAR_SETUP_PATH}/upgrades/dropbear/dropbear-2025.88.tar.bz2" "${DIR_TMP}/build"
  tar xjf "${DIR_TMP}/build/dropbear-2025.88.tar.bz2"
  cp "${VAR_SETUP_PATH}/upgrades/dropbear/localoptions.h" "${DIR_TMP}/build/dropbear-2025.88"
  cd "${DIR_TMP}/build/dropbear-2025.88" || return "${ERR_PATH_NOT_VALID}"

  CC=musl-gcc \
    CFLAGS="-Os -Wno-undef" \
    LDFLAGS="-static -s -L/usr/local/lib" \
    ./configure \
      --enable-static \
      --enable-openpty \
      --disable-pam \
      --disable-zlib

  make -j"$(nproc)"

  do_log "info" "true" "Ultra Hardened dropbear-2025.88 build successfully from sources."

  return 0
}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh