Marc S. Weidner
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
59 lines
1.9 KiB
Bash
59 lines
1.9 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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set -Ceuo pipefail
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#######################################
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# Password expiration hook to run inside chroot.
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# Globals:
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# ary_users_to_update
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# var_max_days
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# var_user
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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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main() {
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### Declare Arrays, HashMaps, and Variables.
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declare -a ary_users_to_update=()
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declare -i var_max_days=16384
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declare var_user=""
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printf "Chroot hook: [%s] starting ... \n" "${0}"
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# shellcheck disable=SC2312
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mapfile -t ary_users_to_update < <( awk -F: '$2 !~ /^[!*]/ { print $1 }' /etc/shadow )
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if [[ ${#ary_users_to_update[@]} -eq 0 ]]; then
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printf "No enabled-login accounts found in [/etc/shadow]. Exiting hook ... \n"
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printf "Chroot hook: [%s] applied successfully. \n" "${0}"
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exit 0
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fi
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for var_user in "${ary_users_to_update[@]}"; do
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printf "Setting max password age for user: [%s] to: [%s] days. \n" "${var_user}" "${var_max_days}"
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chage --maxdays "${var_max_days}" "${var_user}"
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done
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unset var_max_days var_user ary_users_to_update
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awk -F: '$2 !~ /^\$[0-9]/ && length($2)==13 { print $1,$2 }' /etc/shadow
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printf "All applicable accounts have been updated. \n"
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printf "Chroot hook: [%s] applied successfully. \n" "${0}"
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exit 0
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}
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main "$@"
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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