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CISS.debian.installer/lib/cdi_0100_arg/0105_arg_nuke_converter.sh
2025-08-10 21:45:51 +02:00

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#!/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
#######################################
# Generates 'nuke=HASH' Bootparameter.
# Globals:
# DIR_CNF
# ERR_READ_NUKE_FILE
# VAR_DEBUG_TRACE
# VAR_NUKE_HASH
# Arguments:
# None
# Returns:
# 0: on success
# ERR_READ_NUKE_FILE
#######################################
nuke_passphrase() {
declare -r var_nuke_pwd_file="${DIR_CNF}/password_luks_nuke.txt"
declare var_temp_nuke_hash="" var_temp_plain_nuke_pwd="" var_salt=""
### TODO: PASSWORD REMINDER START
### No tracing for security reasons
[[ "${VAR_DEBUG_TRACE,,}" == "true" ]] && set +x
if ! read_password_file "${var_nuke_pwd_file}" var_temp_plain_nuke_pwd; then
return "${ERR_READ_NUKE_FILE}"
fi
### Turn on tracing again
[[ "${VAR_DEBUG_TRACE,,}" == "true" ]] && set -x
### TODO: PASSWORD REMINDER STOP
if ! var_salt="$(generate_salt)"; then
return "${ERR_GENERATE_SALT}"
fi
### TODO: PASSWORD REMINDER START
### No tracing for security reasons
[[ "${VAR_DEBUG_TRACE,,}" == "true" ]] && set +x
var_temp_nuke_hash=$(mkpasswd --method=sha-512 --salt="${var_salt}" --rounds="${VAR_NUKE_ROUNDS:-8388608}" "${var_temp_plain_nuke_pwd}")
### Turn on tracing again
[[ "${VAR_DEBUG_TRACE,,}" == "true" ]] && set -x
### TODO: PASSWORD REMINDER STOP
declare -grx VAR_NUKE_HASH="${var_temp_nuke_hash}"
unset var_temp_nuke_hash var_temp_plain_nuke_pwd
do_log "debug" "file_only" "0105() NUKE hash starts with: ${VAR_NUKE_HASH:0:32}..."
guard_dir && return 0
}
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh