130 lines
5.1 KiB
Bash
130 lines
5.1 KiB
Bash
#!/bin/bash
|
|
# SPDX-Version: 3.0
|
|
# SPDX-CreationInfo: 2025-11-10; 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: 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.live.builder
|
|
# SPDX-Security-Contact: security@coresecret.eu
|
|
set -Ceuo pipefail
|
|
|
|
printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 '%s' starting ... \e[0m\n" "${0}"
|
|
|
|
### Declare Arrays, HashMaps, and Variables.
|
|
declare var_logfile="/root/.ciss/cdlb/log/0021_dropbear_initramfs.log"
|
|
|
|
[[ -r /root/ciss_xdg_tmp.sh ]] && . /root/ciss_xdg_tmp.sh
|
|
export DEBIAN_FRONTEND="noninteractive" INITRD="No"
|
|
|
|
apt-get install -y --no-install-recommends --no-install-suggests cryptsetup-initramfs dropbear-initramfs dropbear-bin 2>&1 | tee -a "${var_logfile}"
|
|
apt-get purge -y dropbear 2>&1 | tee -a "${var_logfile}" || true
|
|
apt-get install -y --no-install-recommends --no-install-suggests gpgv 2>&1 | tee -a "${var_logfile}"
|
|
apt-mark hold dropbear dropbear-initramfs 2>&1 | tee -a "${var_logfile}"
|
|
|
|
mkdir -p /root/.ciss/cdlb/backup/usr/share/initramfs-tools/scripts/init-premount
|
|
mv /usr/share/initramfs-tools/scripts/init-premount/dropbear /root/.ciss/cdlb/backup/usr/share/initramfs-tools/scripts/init-premount/dropbear.trixie
|
|
install -m 0755 -o root -g root /root/dropbear.file /usr/share/initramfs-tools/scripts/init-premount/dropbear
|
|
rm -f /root/dropbear.file
|
|
|
|
mv /usr/sbin/dropbear /root/.ciss/cdlb/backup/usr/sbin/dropbear.trixie
|
|
install -m 0755 -o root -g root /root/build/dropbear-2025.88/dropbear /usr/sbin/
|
|
|
|
for var_file in dbclient dropbearconvert dropbearkey; do
|
|
|
|
mv "/usr/bin/${var_file}" "/root/.ciss/cdlb/backup/usr/bin/${var_file}.trixie"
|
|
install -m 0755 -o root -g root "/root/build/dropbear-2025.88/${var_file}" /usr/bin/
|
|
|
|
done
|
|
|
|
mkdir -p /etc/initramfs-tools/scripts/init-bottom
|
|
|
|
cat << 'EOF' >| /etc/initramfs-tools/scripts/init-bottom/zzzz-dropbear-kill
|
|
#!/bin/sh
|
|
# SPDX-Version: 3.0
|
|
# SPDX-CreationInfo: 2025-11-10; 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: 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.live.builder
|
|
# SPDX-Security-Contact: security@coresecret.eu
|
|
|
|
PREREQ=""
|
|
prereqs() { echo "${PREREQ}"; }
|
|
# shellcheck disable=SC2249
|
|
case "${1}" in
|
|
prereqs) prereqs; exit 0 ;;
|
|
esac
|
|
|
|
### Stop dropbear shipped in the initramfs after root pivot.
|
|
[ -x /bin/pidof ] || exit 0
|
|
|
|
P=$(/bin/pidof dropbear 2>/dev/null) || true
|
|
|
|
[ -n "${P}" ] || exit 0
|
|
|
|
/bin/kill -TERM "${P}" 2>/dev/null || true
|
|
/bin/sleep 1
|
|
|
|
/bin/kill -KILL "${P}" 2>/dev/null || true
|
|
exit 0
|
|
|
|
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
|
|
EOF
|
|
|
|
chmod 0755 /etc/initramfs-tools/scripts/init-bottom/zzzz-dropbear-kill
|
|
|
|
cat << EOF >| /etc/apt/preferences.d/99-mask-dropbear
|
|
# SPDX-Version: 3.0
|
|
# SPDX-CreationInfo: 2025-11-10; 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: 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.live.builder
|
|
# SPDX-Security-Contact: security@coresecret.eu
|
|
|
|
# Never install the dropbear daemon package at all.
|
|
|
|
Package: dropbear
|
|
Pin: release *
|
|
Pin-Priority: -1
|
|
|
|
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=conf
|
|
EOF
|
|
|
|
cat << EOF >| /etc/apt/preferences.d/99-mask-dropbear-initramfs
|
|
# SPDX-Version: 3.0
|
|
# SPDX-CreationInfo: 2025-11-10; 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: 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.live.builder
|
|
# SPDX-Security-Contact: security@coresecret.eu
|
|
|
|
# Keep the currently installed initramfs integration; never upgrade it.
|
|
|
|
Package: dropbear-initramfs
|
|
Pin: release *
|
|
Pin-Priority: -1
|
|
|
|
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=conf
|
|
EOF
|
|
|
|
systemctl mask dropbear.service dropbear.socket
|
|
|
|
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
|