Marc S. Weidner
c4fc603d5b
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
56 lines
2.0 KiB
Bash
56 lines
2.0 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-10-11; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.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.live.builder
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# SPDX-Security-Contact: security@coresecret.eu
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set -Ceuo pipefail
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printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 '%s' starting ... \e[0m\n" "${0}"
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if ! command -v chage &>/dev/null; then
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ Info: 'chage' NOT found. Exiting hook ... \e[0m\n"
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ '%s' applied successfully. \e[0m\n" "${0}"
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exit 0
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fi
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declare -i max_days=16384
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# shellcheck disable=SC2312
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mapfile -t users_to_update < <(
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awk -F: '$2 !~ /^[!*]/ { print $1 }' /etc/shadow
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)
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if [[ ${#users_to_update[@]} -eq 0 ]]; then
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ No enabled-login accounts found in /etc/shadow. Exiting hook ... \e[0m\n"
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ '%s' applied successfully. \e[0m\n" "${0}"
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exit 0
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fi
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declare user
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for user in "${users_to_update[@]}"; do
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ Setting max password age for user '%s' to '%s' days. \e[0m\n" "${user}" "${max_days}"
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chage --maxdays "${max_days}" "${user}"
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done
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unset max_days user users_to_update
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awk -F: '$2 !~ /^\$[0-9]/ && length($2)==13 { print $1,$2 }' /etc/shadow
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ All applicable accounts have been updated. \e[0m\n"
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printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ '%s' applied successfully. \e[0m\n" "${0}"
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exit 0
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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