#!/bin/bash
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.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: LicenseRef-CNCL-1.1 OR LicenseRef-CCLA-1.1
# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
# SPDX-PackageName: CISS.debian.live.builder
# SPDX-Security-Contact: security@coresecret.eu
set -Ceuo pipefail

printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 '%s' starting ... \e[0m\n" "${0}"

cat << 'EOF' >| "${HANDLER_BUILD_DIR}"/config/includes.chroot/etc/custom-resolv.conf
# dns01.eddns.eu:
nameserver 135.181.207.105
# dns02.eddns.de:
nameserver 89.58.62.53
EOF

mkdir -p "${HANDLER_BUILD_DIR}"/config/includes.binary/hooks/live-bottom
cat << 'EOF' >| "${HANDLER_BUILD_DIR}"/config/includes.binary/hooks/live-bottom/10-set-resolvconf
#!/bin/sh
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.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: LicenseRef-CNCL-1.1 OR LicenseRef-CCLA-1.1
# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
# SPDX-PackageName: CISS.debian.live.builder
# SPDX-Security-Contact: security@coresecret.eu

### No bash in the installer environment, only BusyBox.
### Live-Boot: override resolv.conf after the network is up

if [ -f /etc/custom-resolv.conf ]; then
  cp /etc/custom-resolv.conf /etc/resolv.conf
  # Prevent further overwrites
  chattr +i /etc/resolv.conf || true
fi
EOF
chmod +x "${HANDLER_BUILD_DIR}"/config/includes.binary/hooks/live-bottom/10-set-resolvconf

printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ '%s' successfully applied. \e[0m\n" "${0}"
# sleep 1
exit 0
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
