Marc S. Weidner
3ad1726770
Some checks failed
🛡️ Shell Script Linting / 🛡️ Shell Script Linting (push) Failing after 1m11s
Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
145 lines
4.1 KiB
Bash
145 lines
4.1 KiB
Bash
#!/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: EUPL-1.2 OR LicenseRef-CCLA-1.0
|
|
# SPDX-LicenseComment: This file is part of the CISS.hardened.installer framework.
|
|
# SPDX-PackageName: CISS.debian.live.builder
|
|
# SPDX-Security-Contact: security@coresecret.eu
|
|
set -C -e -u -o pipefail
|
|
|
|
printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 '%s' starting ... \e[0m\n" "${0}"
|
|
# sleep 1
|
|
|
|
target="/usr/lib/live/boot/0030-verify-checksums"
|
|
src="$(mktemp)"
|
|
|
|
if [[ ! -d /usr/lib/live/boot ]]; then
|
|
mkdir -p /usr/lib/live/boot
|
|
fi
|
|
|
|
cat << 'EOF' >| "${src}"
|
|
#!/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: EUPL-1.2 OR LicenseRef-CCLA-1.0
|
|
# SPDX-LicenseComment: This file is part of the CISS.hardened.installer framework.
|
|
# SPDX-PackageName: CISS.debian.live.builder
|
|
# SPDX-Security-Contact: security@coresecret.eu
|
|
|
|
### Changed version of https://salsa.debian.org/live-team/live-boot 'components/0030-verify-checksums'
|
|
### In case of successful verification of the offered checksums, proceed with booting, else panic.
|
|
|
|
### Inside 0002_verify_checksums.chroot ###
|
|
|
|
#######################################
|
|
# Live build ISO with the modified checksum verification script for continuing the boot process.
|
|
# Globals:
|
|
# LIVE_BOOT_CMDLINE
|
|
# LIVE_VERIFY_CHECKSUMS
|
|
# LIVE_VERIFY_CHECKSUMS_DIGESTS
|
|
# _CHECKSUM
|
|
# _CHECKSUMS
|
|
# _DIGEST
|
|
# _MOUNTPOINT
|
|
# _PARAMETER
|
|
# _RETURN
|
|
# _TTY
|
|
# Arguments:
|
|
# $1: ${_PARAMETER}
|
|
# Returns:
|
|
# 0 : Successful Verification
|
|
#######################################
|
|
Verify_checksums() {
|
|
for _PARAMETER in ${LIVE_BOOT_CMDLINE}; do
|
|
case "${_PARAMETER}" in
|
|
live-boot.verify-checksums=* | verify-checksums=*)
|
|
LIVE_VERIFY_CHECKSUMS="true"
|
|
LIVE_VERIFY_CHECKSUMS_DIGESTS="${_PARAMETER#*verify-checksums=}"
|
|
;;
|
|
|
|
live-boot.verify-checksums | verify-checksums)
|
|
LIVE_VERIFY_CHECKSUMS="true"
|
|
;;
|
|
esac
|
|
done
|
|
|
|
case "${LIVE_VERIFY_CHECKSUMS}" in
|
|
true) ;;
|
|
|
|
*)
|
|
return 0
|
|
;;
|
|
esac
|
|
|
|
_MOUNTPOINT="${1}"
|
|
|
|
LIVE_VERIFY_CHECKSUMS_DIGESTS="${LIVE_VERIFY_CHECKSUMS_DIGESTS:-sha512 sha384 sha256}"
|
|
_TTY="/dev/tty8"
|
|
|
|
log_begin_msg "Verifying checksums"
|
|
|
|
# shellcheck disable=SC2164
|
|
cd "${_MOUNTPOINT}"
|
|
|
|
for _DIGEST in $(echo "${LIVE_VERIFY_CHECKSUMS_DIGESTS}" | sed -e 's|,| |g'); do
|
|
# shellcheck disable=SC2060
|
|
_CHECKSUMS="$(echo "${_DIGEST}" | tr [a-z] [A-Z])SUMS ${_DIGEST}sum.txt"
|
|
|
|
for _CHECKSUM in ${_CHECKSUMS}; do
|
|
if [ -e "${_CHECKSUM}" ]; then
|
|
echo "Found ${_CHECKSUM}..." > "${_TTY}"
|
|
|
|
if [ -e "/bin/${_DIGEST}sum" ]; then
|
|
echo "Checking ${_CHECKSUM}..." > "${_TTY}"
|
|
|
|
# Verify checksums
|
|
grep -v '^#' "${_CHECKSUM}" | /bin/"${_DIGEST}"sum -c > "${_TTY}"
|
|
_RETURN="${?}"
|
|
|
|
# Stop after the first verification
|
|
# break 2
|
|
else
|
|
echo "Not found /bin/${_DIGEST}sum..." > "${_TTY}"
|
|
fi
|
|
fi
|
|
done
|
|
done
|
|
|
|
log_end_msg
|
|
|
|
case "${_RETURN}" in
|
|
0)
|
|
log_success_msg "Verification sha512 sha384 sha256 successful, continuing booting in 10 seconds."
|
|
sleep 10
|
|
return 0
|
|
;;
|
|
|
|
*)
|
|
panic "Verification failed, $(basename ${_TTY}) for more information."
|
|
;;
|
|
esac
|
|
}
|
|
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
|
|
EOF
|
|
|
|
# Copy and make executable
|
|
install -Dm755 "${src}" "${target}"
|
|
|
|
rm -f "${src}"
|
|
|
|
unset target src
|
|
|
|
printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ '%s' applied successfully. \e[0m\n" "${0}"
|
|
# sleep 1
|
|
|
|
exit 0
|
|
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
|