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CISS.debian.live.builder/config/hooks/live/9940_hardening_memory.dump.chroot
Marc S. Weidner ae0bd5f3e9
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V8.13.384.2025.11.06
Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
2025-11-06 23:04:22 +01:00

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#!/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: 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" "${0}"
cp -u /etc/security/limits.conf /root/.ciss/cdlb/backup/limits.conf.bak
chmod 0644 /root/.ciss/cdlb/backup/limits.conf.bak
grep -Eq '^[[:space:]]*\*[[:space:]]+soft[[:space:]]+core[[:space:]]+0[[:space:]]*$' /etc/security/limits.conf \
|| sed -i -E '/^[[:space:]]*#?[[:space:]]*soft[[:space:]]+core[[:space:]]+0[[:space:]]*$/ i\* soft core 0' /etc/security/limits.conf
grep -Eq '^[[:space:]]*\*[[:space:]]+hard[[:space:]]+core[[:space:]]+0[[:space:]]*$' /etc/security/limits.conf \
|| sed -i -E '/^[[:space:]]*#?[[:space:]]*root[[:space:]]+hard[[:space:]]+core[[:space:]]+100000[[:space:]]*$/ i\* hard core 0' /etc/security/limits.conf
if [[ ! -d /etc/systemd/coredump.conf.d ]]; then
mkdir -p /etc/systemd/coredump.conf.d
fi
touch /etc/systemd/coredump.conf.d/disable.conf
chmod 0644 /etc/systemd/coredump.conf.d/disable.conf
cat << EOF >| /etc/systemd/coredump.conf.d/disable.conf
[Coredump]
Storage=none
EOF
printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ '%s' applied successfully. \e[0m\n" "${0}"
exit 0
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh