#!/bin/bash
# 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

guard_sourcing

#######################################
# Hardening memory dump.
# Globals:
#   TARGET
# Arguments:
#   None
# Returns:
#   0: on success
#######################################
hardening_memory() {
  mkdir -p "${TARGET}/etc/systemd/coredump.conf.d"

  cat << EOF >| "${TARGET}/etc/systemd/coredump.conf.d/disable.conf"
# 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

# Static file system information: /etc/systemd/coredump.conf.d/disable.conf
# Generated by CISS.debian.installer ${VAR_VERSION}
# Architecture: ${VAR_ARCHITECTURE}
# Distribution: ${VAR_CODENAME}

[Coredump]
Storage=none
EOF

  chmod 0644 "${TARGET}/etc/systemd/coredump.conf.d/disable.conf"

  cat << EOF >| "${TARGET}/etc/security/limits.d/90-ciss-core.conf"
# 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

# Static file system information: /etc/security/limits.d/90-ciss-core.conf
# Generated by CISS.debian.installer ${VAR_VERSION}
# Architecture: ${VAR_ARCHITECTURE}
# Distribution: ${VAR_CODENAME}

# Format: <domain> <type> <item> <value>
*	soft	core	0
*	hard	core	0

# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
EOF

  chmod 0644 "${TARGET}/etc/security/limits.d/90-ciss-core.conf"

  guard_dir && return 0
}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh