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CISS.debian.live.builder/scripts/usr/lib/live/build/binary_checksums.sh
Marc S. Weidner 270be404be
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V8.13.294.2025.10.28
Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
2025-10-28 16:48:05 +01:00

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#!/bin/sh
# bashsupport disable=BP5007
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-10-26; 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: 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
# SPDX-FileType: SOURCE
# SPDX-License-Identifier: GPL-3.0-or-later
# 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
## Modified Version of the original file:
## live-build(7) - System Build Scripts
## Copyright (C) 2016-2020 The Debian Live team
## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
set -e
### Including common functions.
# shellcheck disable=SC2292
if [ -e "${LIVE_BUILD}/scripts/build.sh" ]; then
. "${LIVE_BUILD}/scripts/build.sh"
else
. /usr/lib/live/build.sh
fi
### Setting static variables.
# shellcheck disable=SC2034
DESCRIPTION="Create binary checksums and PGP signature files."
# shellcheck disable=SC2034
USAGE="${PROGRAM} [--force]"
### Processing arguments and configuration files.
Init_config_data "${@}"
# shellcheck disable=SC2292
if [ "${LB_CHECKSUMS}" = "none" ]; then
exit 0
fi
# shellcheck disable=SC2292
if [ "${LB_INITRAMFS}" = "dracut-live" ]; then
### The checksums will be generated by binary_iso.
exit 0
fi
### Requiring stage file.
Require_stagefiles config bootstrap
### Checking stage file.
Check_stagefile
### Acquire a lock file.
Acquire_lockfile
declare CHECKSUM=""
for CHECKSUM in ${LB_CHECKSUMS}; do
CHECKSUMS="${CHECKSUM}sum.txt"
Echo_message "Begin creating binary ${CHECKSUMS} ..."
### Remove old checksums.
# shellcheck disable=SC2292
if [ -f "binary/${CHECKSUMS}" ]; then
rm -f "binary/${CHECKSUMS}"
fi
### Calculating checksums.
cd binary
# shellcheck disable=SC2312
find . -type f \
\! -path './isolinux/isolinux.bin' \
\! -path './boot/boot.bin' \
\! -path './boot/grub/stage2_eltorito' \
\! -path './*SUMS' \
\! -path './*sum.txt' \
\! -path './*sum.README' \
-print0 | LC_ALL=C sort -z | xargs -0 "${CHECKSUM}sum" >| "${CHECKSUMS}"
Echo_message "Begin creating GPG armor signature ${CHECKSUMS} ..."
gpg --batch --yes --local-user "${LB_GPG_SIGN_KEY}" --armor --detach-sign --output "${CHECKSUMS}.asc" "${CHECKSUMS}"
Echo_message "Begin creating GPG binary signature ${CHECKSUMS} ..."
gpg --batch --yes --local-user "${LB_GPG_SIGN_KEY}" --detach-sign --output "${CHECKSUMS}.sig" "${CHECKSUMS}"
cat << EOF >| "${CHECKSUM}sum.README"
# SPDX-Version: 3.0
# SPDX-CreationInfo: 2025-10-26; 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
The file ${CHECKSUMS} contains the ${CHECKSUM} checksums of all files on this medium.
You can verify them automatically with the 'verify-checksums' boot parameter, or, manually with:
${CHECKSUM}sum -c ${CHECKSUMS}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=text
EOF
cd "${OLDPWD}"
done
### File list.
cd binary
# shellcheck disable=SC2312
find . | sed -e 's|^.||g' | grep "^/" | LC_ALL=C sort > ../"${LB_IMAGE_NAME}-${LB_ARCHITECTURE}.contents"
cd "${OLDPWD}"
### Creating a stage file.
Create_stagefile
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh