88 lines
2.9 KiB
Bash
88 lines
2.9 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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guard_sourcing
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#######################################
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# Restart Dialog Wrapper in case of unintentional SIGINT.
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# Globals:
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# VAR_DEBUG_TRAP
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# Arguments:
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# 1: var_helper_dialog
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#######################################
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restart_dialog() {
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[[ "${VAR_DEBUG_TRAP}" == "true" ]] && trap 'debug_trap' DEBUG
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trap 'trap_int' INT TERM
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trap 'trap_err "$?" "${BASH_SOURCE[0]}" "${LINENO}" "${FUNCNAME[0]:-main}" "${BASH_COMMAND}"' ERR
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case "$1" in
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box ) dialog_box ;;
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gauge ) dialog_gauge ;;
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* ) ;;
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esac
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}
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#######################################
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# Trap function to be called on 'SIGINT'.
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# Globals:
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# ERR_TRAPPED_SIG_INT
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# VAR_IN_DIALOG_WR
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# Arguments:
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# None
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# Returns:
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# 0: In case of unintentional SIGINT.
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#######################################
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trap_int() {
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case "${VAR_IN_DIALOG_WR}" in
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box ) dialog_box_cleaner; declare var_helper_dialog="box" ;;
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gauge ) dialog_gauge_cleaner; declare var_helper_dialog="gauge" ;;
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* ) declare var_helper_dialog="false" ;;
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esac
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trap - DEBUG ERR INT TERM
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declare answer
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if ! read -r -t 16 -p $'\n\e[93mCISS.debian.installer caught an INT.\e[0m \e[92mDo you want to abort the Installer? (y/N) \e[0m' answer; then
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printf "\e[92mCISS.debian.installer caught an INT. No User confirmation after 16 seconds. Proceeding with Installer. \e[0m\n" >&2
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if [[ "${var_helper_dialog}" == box ]]; then
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restart_dialog "${var_helper_dialog}"
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return 0
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elif [[ "${var_helper_dialog}" == gauge ]]; then
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restart_dialog "${var_helper_dialog}"
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return 0
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else
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restart_dialog "${var_helper_dialog}"
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return 0
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fi
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fi
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case "${answer,,}" in
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y|yes)
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printf "\e[91mCISS.debian.installer caught an INT. SIGINT confirmed by User, exiting Installer. \e[0m\n" >&2
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exit "${ERR_TRAPPED_SIG_INT}"
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;;
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*)
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printf "\e[92mCISS.debian.installer caught an INT. SIGINT NOT confirmed by User, proceeding with Installer. \e[0m\n" >&2
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if [[ "${var_helper_dialog}" == box ]]; then
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restart_dialog "${var_helper_dialog}"
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return 0
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elif [[ "${var_helper_dialog}" == gauge ]]; then
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restart_dialog "${var_helper_dialog}"
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return 0
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else
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restart_dialog "${var_helper_dialog}"
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return 0
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fi
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;;
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esac
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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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