Marc S. Weidner
21fc28f722
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
68 lines
2.8 KiB
Bash
68 lines
2.8 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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### Options in "GRUB_CMDLINE_LINUX" are always effective.
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### Options in "GRUB_CMDLINE_LINUX_DEFAULT" are effective ONLY during normal boot (NOT during recovery mode).
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guard_sourcing
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### Variable to finish GRUB CMDLINE strings.
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declare -grx VAR_H='"'
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#######################################
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# Helper module to extract the current GRUB CMDLINE strings.
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# Globals:
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# TARGET
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# VAR_GRUB_CMDLINE_LINUX
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# VAR_GRUB_CMDLINE_LINUX_DEFAULT
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# VAR_ORIG_GRUB_CMDLINE_LINUX
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# VAR_ORIG_GRUB_CMDLINE_LINUX_DEFAULT
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# Arguments:
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# None
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#######################################
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grub_extract_current_string() {
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# shellcheck disable=SC2155
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declare -gx VAR_ORIG_GRUB_CMDLINE_LINUX=$(grep -E 'GRUB_CMDLINE_LINUX=' "${TARGET}/etc/default/grub")
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# shellcheck disable=SC2155
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declare -gx VAR_ORIG_GRUB_CMDLINE_LINUX_DEFAULT=$(grep -E 'GRUB_CMDLINE_LINUX_DEFAULT=' "${TARGET}/etc/default/grub")
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# shellcheck disable=SC2155
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declare -gx VAR_GRUB_CMDLINE_LINUX=$(grep -E 'GRUB_CMDLINE_LINUX=' "${TARGET}/etc/default/grub" | sed 's/.$//')
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# shellcheck disable=SC2155
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declare -gx VAR_GRUB_CMDLINE_LINUX_DEFAULT=$(grep -E 'GRUB_CMDLINE_LINUX_DEFAULT=' "${TARGET}/etc/default/grub" | sed 's/.$//')
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}
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#######################################
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# Helper module to finish the modified GRUB CMDLINE strings.
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# Globals:
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# TARGET
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# VAR_GRUB_CMDLINE_LINUX
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# VAR_GRUB_CMDLINE_LINUX_DEFAULT
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# VAR_H
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# VAR_ORIG_GRUB_CMDLINE_LINUX
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# VAR_ORIG_GRUB_CMDLINE_LINUX_DEFAULT
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# Arguments:
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# None
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#######################################
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grub_finalize_string() {
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declare var_grub_cmdline_linux="" var_grub_cmdline_linux_default=""
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var_grub_cmdline_linux="${VAR_GRUB_CMDLINE_LINUX}${VAR_H}"
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var_grub_cmdline_linux_default="${VAR_GRUB_CMDLINE_LINUX_DEFAULT}${VAR_H}"
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VAR_GRUB_CMDLINE_LINUX=$(printf '%s' "${var_grub_cmdline_linux}" | sed -e 's/[\/&\$]/\\&/g' )
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VAR_GRUB_CMDLINE_LINUX_DEFAULT=$(printf '%s' "${var_grub_cmdline_linux_default}" | sed -e 's/[\/&\$]/\\&/g' )
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sed -i "s|${VAR_ORIG_GRUB_CMDLINE_LINUX}|${VAR_GRUB_CMDLINE_LINUX}|" "${TARGET}/etc/default/grub"
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sed -i "s|${VAR_ORIG_GRUB_CMDLINE_LINUX_DEFAULT}|${VAR_GRUB_CMDLINE_LINUX_DEFAULT}|" "${TARGET}/etc/default/grub"
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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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