53 lines
1.7 KiB
Bash
53 lines
1.7 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-06-17; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.installer.git
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# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
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# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-FileType: SOURCE
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# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
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# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
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# SPDX-PackageName: CISS.debian.installer
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# SPDX-Security-Contact: security@coresecret.eu
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guard_sourcing
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#######################################
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# Hardening haveged.
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# Globals:
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# RECOVERY
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# TARGET
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# VAR_RUN_RECOVERY
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# Arguments:
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# None
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# Returns:
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# 0: on success
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#######################################
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hardening_haveged() {
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### Declare Arrays, HashMaps, and Variables.
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declare var_target="${TARGET}"
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### Check for TARGET / RECOVERY.
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[[ "${VAR_RUN_RECOVERY}" == "true" ]] && var_target="${RECOVERY}"
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insert_header "${var_target}/etc/default/haveged"
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insert_comments "${var_target}/etc/default/haveged"
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cat << EOF >> "${var_target}/etc/default/haveged"
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# Configuration file for haveged
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# Minimal, sane defaults for server/headless systems.
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# -w <bits> : target entropy level in bits; 1024 ensures fast pool fill on boot
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# -v 1 : low verbosity (startup/shutdown only)
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# Options to pass to haveged:
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DAEMON_ARGS="-w 2048 -v 1"
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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EOF
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guard_dir && return 0
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}
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### Prevents accidental 'unset -f'.
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# shellcheck disable=SC2034
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readonly -f hardening_haveged
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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