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V8.00.000.2025.06.17
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
This commit is contained in:
Marc S. Weidner
2025-07-31 23:04:30 +02:00
parent 930f47f827
commit 45ff672479
103 changed files with 1011 additions and 266 deletions
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87
includes/target/etc/initramfs-tools/hooks/custom-initramfs.sh Normal file
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#!/bin/sh
# 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
# SPDX-Comment: Hook script (initramfs) for setting up the CISS.debian.installer hardened dropbear environment, incl. Luks Nuke.
set -e
PREREQ=""
prereqs() { echo "$PREREQ"; }
case $1 in
prereqs) prereqs; exit 0 ;;
esac
. /usr/share/initramfs-tools/hook-functions
if [ ! -e /etc/initramfs-tools/files/unlock-wrapper.sh ]; then
echo "Missing unlock-wrapper.sh in /etc/initramfs-tools/files/"
exit 1
fi
### Ensure directory structure in initramfs
mkdir -p "${DESTDIR}/etc/dropbear"
mkdir -p "${DESTDIR}/etc/keys"
mkdir -p "${DESTDIR}/usr/local/bin"
mkdir -p "${DESTDIR}/etc/initramfs-tools/conf.d"
mkdir -p "${DESTDIR}/etc/initramfs-tools/scripts/init-premount"
### Include Bash
copy_exec /usr/bin/bash /usr/bin
### Include Busybox
copy_exec /usr/bin/busybox /usr/bin
copy_exec /usr/bin/busybox /bin
### Include lsblk (block device info tool)
copy_exec /usr/bin/lsblk /usr/bin
### Include mkpasswd
copy_exec /usr/bin/mkpasswd /usr/bin
### Include udevadm (udev management tool)
copy_exec /usr/bin/udevadm /usr/bin
### Include sha512sum e.g.
copy_exec /usr/bin/sha512sum /usr/bin
copy_exec /usr/bin/sha384sum /usr/bin
### Include Signature-Verifier
copy_exec /usr/bin/gpgv /usr/bin
### Include Whois
copy_exec /usr/bin/whois /usr/bin
### Link busybox applets for compatibility
for dir in bin usr/bin; do
ln -sf busybox "${DESTDIR}/${dir}/cat"
ln -sf busybox "${DESTDIR}/${dir}/sleep"
done
### Install Dropbear firewall configuration
install -m 0444 /etc/initramfs-tools/files/dropbear_fw.cnf "${DESTDIR}/etc/initramfs-tools/conf.d/dropbear_fw.cnf"
### Install Dropbear configuration
install -m 0444 /etc/dropbear/initramfs/dropbear.conf "${DESTDIR}/etc/dropbear/dropbear.conf"
### Install Dropbear Cryptroot Unlock Wrapper
install -m 0555 /etc/initramfs-tools/files/unlock-wrapper.sh "${DESTDIR}/usr/local/bin/unlock-wrapper.sh"
install -m 0444 /etc/initramfs-tools/files/unlock-wrapper.sh.sha384 "${DESTDIR}/usr/local/bin/unlock-wrapper.sh.sha384"
install -m 0444 /etc/initramfs-tools/files/unlock-wrapper.sh.sha512 "${DESTDIR}/usr/local/bin/unlock-wrapper.sh.sha512"
install -m 0444 /etc/initramfs-tools/files/unlock-wrapper.sh.sha384.sig "${DESTDIR}/usr/local/bin/unlock-wrapper.sh.sha384.sig"
install -m 0444 /etc/initramfs-tools/files/unlock-wrapper.sh.sha512.sig "${DESTDIR}/usr/local/bin/unlock-wrapper.sh.sha512.sig"
### Install PGP Signing Keys
install -m 0444 /root/.ciss/keys/pubring.gpg "${DESTDIR}/etc/keys/pubring.gpg"
### Install Dropbear Banner
install -m 0444 /etc/dropbear/initramfs/banner "${DESTDIR}/etc/dropbear/banner"
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh

34
includes/target/etc/initramfs-tools/hooks/custom-prompt.sh Normal file
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#!/bin/sh
# 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
set -e
PREREQ=""
prereqs() { echo "$PREREQ"; }
case $1 in
prereqs) prereqs; exit 0 ;;
esac
. /usr/share/initramfs-tools/hook-functions
mkdir -p "${DESTDIR}/etc"
cat >| "${DESTDIR}/etc/profile" << 'EOF'
export PS1='$( STATUS=$?; \
if [ "${STATUS}" -eq 0 ]; then \
printf "\001\e[0;31m\002\u@\H\001\e[0m\002:\001\e[0;95m\002\w\001\e[0m\002>>\001\e[0;92m\002%d\001\e[0m\002|~#> " "${STATUS}"; \
else \
printf "\001\e[0;31m\002\u@\H\001\e[0m\002:\001\e[0;95m\002\w\001\e[0m\002>>\001\e[0;91m\002%d\001\e[0m\002|~#> " "${STATUS}"; \
fi; ) '
EOF
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh