Marc S. Weidner
ec00877857
All checks were successful
🛡️ Shell Script Linting / 🛡️ Shell Script Linting (push) Successful in 1m24s
Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
99 lines
3.2 KiB
Bash
99 lines
3.2 KiB
Bash
#!/bin/bash
|
|
# SPDX-Version: 3.0
|
|
# SPDX-CreationInfo: 2025-10-11; 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" "${0}"
|
|
|
|
declare var_dm="" var_unit_dir="" var_link="/etc/systemd/system/default.target"
|
|
|
|
### Remove CDLB artifacts ------------------------------------------------------------------------------------------------------
|
|
rm -f /root/ciss_xdg_tmp.sh
|
|
rm -fr /root/build
|
|
find /etc /home /root /usr /var -type f -name '.keep' -print -delete
|
|
|
|
### Securing '/root/.ciss' -----------------------------------------------------------------------------------------------------
|
|
find /root/.ciss -type d -exec chmod 0700 {} +
|
|
find /root/.ciss -type f -exec chmod 0440 {} +
|
|
|
|
### Securing '/etc/ciss/keys' --------------------------------------------------------------------------------------------------
|
|
find /etc/ciss/keys -type f -exec chmod 0440 {} +
|
|
|
|
### Regenerate the initramfs for the live system kernel ------------------------------------------------------------------------
|
|
update-initramfs -u -k all -v
|
|
|
|
### Prepare '/etc/resolv.conf' for systemd-networkd ----------------------------------------------------------------------------
|
|
rm -f /etc/resolv.conf
|
|
ln -s /run/systemd/resolve/stub-resolv.conf /etc/resolv.conf
|
|
|
|
### Determine the canonical systemd unit dir inside chroot ---------------------------------------------------------------------
|
|
if [[ -d /lib/systemd/system ]]; then
|
|
|
|
var_unit_dir=/lib/systemd/system
|
|
|
|
elif [[ -d /usr/lib/systemd/system ]]; then
|
|
|
|
var_unit_dir=/usr/lib/systemd/system
|
|
|
|
fi
|
|
|
|
### Enforce 'default.target' -> 'multi-user.target' as a symlink.
|
|
if [[ -e "${var_link}" ]] && [[ ! -L "${var_link}" ]]; then
|
|
|
|
### A regular file here is wrong; we remove it to avoid vendor fallback to graphical.
|
|
rm -f -- "${var_link}"
|
|
|
|
fi
|
|
|
|
if [[ ! -L "${var_link}" ]]; then
|
|
|
|
ln -s "${var_unit_dir}/multi-user.target" "${var_link}"
|
|
|
|
else
|
|
|
|
### Ensure it points to multi-user.
|
|
# shellcheck disable=SC2312
|
|
if [[ "$(readlink -f "${var_link}")" != "${var_unit_dir}/multi-user.target" ]]; then
|
|
|
|
rm -f -- "${var_link}"
|
|
ln -s "${var_unit_dir}/multi-user.target" "${var_link}"
|
|
|
|
fi
|
|
|
|
fi
|
|
|
|
### Hard-block any display manager (mask via /dev/null symlink). Include common DMs, and the generic alias:
|
|
ary_dm_units=(
|
|
"display-manager.service"
|
|
"gdm.service"
|
|
"gdm3.service"
|
|
"sddm.service"
|
|
"lightdm.service"
|
|
"xdm.service"
|
|
"lxdm.service"
|
|
"slim.service"
|
|
)
|
|
|
|
for var_dm in "${ary_dm_units[@]}"; do
|
|
|
|
if [[ ! -L "/etc/systemd/system/${var_dm}" ]]; then
|
|
|
|
ln -s /dev/null "/etc/systemd/system/${var_dm}"
|
|
|
|
fi
|
|
|
|
done
|
|
|
|
printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ '%s' applied successfully. \e[0m\n" "${0}"
|
|
|
|
exit 0
|
|
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
|