Marc S. Weidner
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
70 lines
2.1 KiB
Bash
70 lines
2.1 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 || return "${ERR_GUARD_SOURCE}"
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#######################################
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# Generates 'nuke=HASH' Bootparameter.
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# Globals:
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# DIR_CNF
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# VAR_NUKE_HASH
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# Arguments:
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# None
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# Returns:
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# 0: on success
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# ERR_GENERATE_SALT
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# ERR_READ_NUKE_FILE
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#######################################
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nuke_passphrase() {
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declare -r var_nuke_pwd_file="${DIR_CNF}/password_luks_nuke.txt"
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declare var_temp_nuke_hash="" var_temp_plain_nuke_pwd="" var_salt="" var_nuke_rounds=""
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# shellcheck disable=SC2312
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var_nuke_rounds="$(
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yq -r '
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.recipe
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| to_entries[] # iterate recipe items
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| .value # the map under each item
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| select(has("control") and (.control | has("nuke_rounds")))
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| .control.nuke_rounds
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| tostring
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' "${DIR_CNF}/partitioning.yaml" | head -n1
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)"
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[[ ! -f "${var_nuke_pwd_file}" ]] && return 0
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guard_trace on
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if ! read_password_file "${var_nuke_pwd_file}" var_temp_plain_nuke_pwd; then
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return "${ERR_READ_NUKE_FILE}"
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fi
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guard_trace off
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if ! var_salt="$(generate_salt)"; then
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return "${ERR_GENERATE_SALT}"
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fi
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guard_trace on
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var_temp_nuke_hash=$(mkpasswd --method=sha-512 --salt="${var_salt}" --rounds="${var_nuke_rounds:-8388608}" "${var_temp_plain_nuke_pwd}")
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guard_trace off
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declare -grx VAR_NUKE_HASH="${var_temp_nuke_hash}"
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unset var_temp_nuke_hash var_temp_plain_nuke_pwd
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do_log "debug" "file_only" "0105() NUKE hash starts with: [${VAR_NUKE_HASH:0:32}...]"
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guard_dir; return 0
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}
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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