Marc S. Weidner
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Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
262 lines
9.6 KiB
Bash
262 lines
9.6 KiB
Bash
#!/bin/bash
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# SPDX-Version: 3.0
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# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
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# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.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.live.builder
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# SPDX-Security-Contact: security@coresecret.eu
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### Contributions so far see ./docs/CREDITS.md
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### WHY BASH?
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# Ease of installation. No compiling or installing gems, CPAN modules, pip packages, etc. Simple to use and read. Clear syntax
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# and straightforward output interpretation. Built-in power. Pattern matching, line processing, and regular expression support
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# are available natively, no external binaries required. Cross-platform consistency. '/bin/bash' is the default shell on most
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# Linux distributions, ensuring scripts run unmodified across systems. macOS compatibility. Since macOS Catalina (10.15), the
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# default login shell has been zsh, but bash remains available at '/bin/bash'. Windows support. You can use bash via WSL, MSYS2,
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# or Cygwin on Windows systems.
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### CATCH ARGUMENTS AND DECLARE BASIC VARIABLES.
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# shellcheck disable=SC2155
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declare -girx VAR_START_TIME="${SECONDS}" # Start time of script execution.
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declare -grx VAR_PARAM_COUNT="$#" # Arguments passed to script.
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declare -grx VAR_PARAM_STRNG="$*" # Arguments passed to script as string.
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declare -ag ARY_PARAM_ARRAY=("$@") # Arguments passed to script as an array.
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declare -grx VAR_SETUP_FILE="${0##*/}" # 'ciss_debian_live_builder.sh'
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declare -grx VAR_SETUP_PATH="$(cd "$(dirname "${0}")" && pwd)" # '/opt/git/CISS.debian.live.builder'
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declare -grx VAR_SETUP_FULL="$(cd "$(dirname "${0}")" && pwd)/${0##*/}" # '/opt/git/CISS.debian.live.builder/ciss_debian_live_builder.sh'
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# shellcheck disable=SC2155
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declare -grx SCRIPT_FULLPATH="$(readlink -f "${BASH_SOURCE[0]:-$0}")"
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# shellcheck disable=SC2155
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declare -grx SCRIPT_BASEPATH="$(dirname "${SCRIPT_FULLPATH}")"
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# shellcheck disable=SC2155
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declare -grx VAR_WORKDIR="$(dirname "${SCRIPT_FULLPATH}")"
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### PRELIMINARY CHECKS.
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### No ash, dash, ksh, sh.
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# shellcheck disable=2292
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[ -z "${BASH_VERSINFO[0]}" ] && {
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. ./var/global.var.sh
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printf "\e[91m❌ Please make sure you are using 'bash'! Bye... \e[0m\n" >&2
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exit "${ERR_UNSPPTBASH}"
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}
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### No zsh.
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[[ -n "${ZSH_VERSION:-}" ]] && {
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. ./var/global.var.sh
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printf "\e[91m❌ Please make sure you are using 'bash'! Bye... \e[0m\n" >&2
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exit "${ERR_UNSPPTBASH}"
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}
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### Not root.
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[[ ${EUID} -ne 0 ]] && {
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. ./var/global.var.sh
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printf "\e[91m❌ Please make sure you are 'root'! Bye... \e[0m\n" >&2
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exit "${ERR_NOT_USER_0}"
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}
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### Check to be not called by sh.
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# shellcheck disable=2312
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[[ $(kill -l | grep -c SIG) -eq 0 ]] && {
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. ./var/global.var.sh
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printf "\e[91m❌ Please make sure you are calling the script without leading 'sh'! Bye... \e[0m\n" >&2
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exit "${ERR_UNSPPTBASH}"
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}
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### Check to be not sourced.
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[[ "${BASH_SOURCE[0]}" != "$0" ]] && {
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. ./var/global.var.sh
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printf "\e[91m❌ This script must be executed, not sourced. Please run '%s' directly! Bye... \e[0m\n" "$0" >&2
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exit "${ERR_UNSPPTBASH}"
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}
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### Minimum Bash version 5.
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[[ ${BASH_VERSINFO[0]} -lt 5 ]] && {
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. ./var/global.var.sh
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printf "\e[91m❌ Minimum requirement is bash 5.1. You are using '%s'! Bye... \e[0m\n" "${BASH_VERSION}" >&2
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exit "${ERR_UNSPPTBASH}"
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}
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### Minimum Bash version 5.1.
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[[ ${BASH_VERSINFO[0]} -le 5 ]] && [[ ${BASH_VERSINFO[1]} -le 1 ]] && {
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. ./var/global.var.sh
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printf "\e[91m❌ Minimum requirement is bash 5.1. You are using '%s'! Bye... \e[0m\n" "${BASH_VERSION}" >&2
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exit "${ERR_UNSPPTBASH}"
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}
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### No arguments.
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[[ ${#} -eq 0 ]] && {
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. ./lib/lib_usage.sh
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usage
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exit 1
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}
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### SOURCING MUST SET EARLY VARIABLES, GUARD_SOURCING(), CHECK_GIT()
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. ./var/early.var.sh
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. ./lib/lib_guard_sourcing.sh
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. ./lib/lib_source_guard.sh
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source_guard "./lib/lib_git_var.sh"
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### CHECK FOR CONTACT, HELP, VERSION STRING, AND XTRACE DEBUG
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for arg in "$@"; do case "${arg,,}" in -c|--contact) . ./lib/lib_contact.sh; contact; exit 0;; esac; done
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for arg in "$@"; do case "${arg,,}" in -h|--help) . ./lib/lib_usage.sh ; usage ; exit 0;; esac; done
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for arg in "$@"; do case "${arg,,}" in -v|--version) . ./lib/lib_version.sh; version; exit 0;; esac; done
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### ALL CHECKS DONE. READY TO START THE SCRIPT
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source_guard "./var/bash.var.sh"
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check_git
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for arg in "$@"; do case "${arg,,}" in -d|--debug) . ./meta_sources_debug.sh; debugger "${@}";; esac; done
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declare -gx VAR_SETUP="true"
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### SOURCING VARIABLES
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[[ "${VAR_SETUP}" == true ]] && {
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source_guard "./var/color.var.sh"
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source_guard "./var/global.var.sh"
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}
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### SOURCING LIBRARIES
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[[ "${VAR_SETUP}" == true ]] && {
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source_guard "./lib/lib_arg_parser.sh"
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source_guard "./lib/lib_arg_priority_check.sh"
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source_guard "./lib/lib_boot_screen.sh"
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source_guard "./lib/lib_cdi.sh"
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source_guard "./lib/lib_change_splash.sh"
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source_guard "./lib/lib_check_dhcp.sh"
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source_guard "./lib/lib_check_hooks.sh"
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source_guard "./lib/lib_check_kernel.sh"
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source_guard "./lib/lib_check_pkgs.sh"
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source_guard "./lib/lib_check_provider.sh"
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source_guard "./lib/lib_check_stats.sh"
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source_guard "./lib/lib_check_var.sh"
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source_guard "./lib/lib_ciss_upgrades.sh"
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source_guard "./lib/lib_clean_screen.sh"
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source_guard "./lib/lib_clean_up.sh"
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source_guard "./lib/lib_copy_integrity.sh"
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source_guard "./lib/lib_hardening_root_pw.sh"
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source_guard "./lib/lib_hardening_ssh.sh"
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source_guard "./lib/lib_hardening_ultra.sh"
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source_guard "./lib/lib_helper_ip.sh"
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source_guard "./lib/lib_lb_build_start.sh"
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source_guard "./lib/lib_lb_config_start.sh"
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source_guard "./lib/lib_lb_config_write.sh"
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source_guard "./lib/lib_lb_config_write_trixie.sh"
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source_guard "./lib/lib_note_target.sh"
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source_guard "./lib/lib_provider_netcup.sh"
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source_guard "./lib/lib_run_analysis.sh"
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source_guard "./lib/lib_sanitizer.sh"
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source_guard "./lib/lib_trap_on_err.sh"
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source_guard "./lib/lib_trap_on_exit.sh"
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source_guard "./lib/lib_update_microcode.sh"
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source_guard "./lib/lib_usage.sh"
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}
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### ADVISORY LOCK
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exec 127>/var/lock/ciss_live_builder.lock || {
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printf "\e[91m❌ Cannot open lockfile for writing! Bye... \e[0m\n" >&2
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exit "${ERR_FLOCK_WRTG}"
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}
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if ! flock -x -n 127; then
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printf "\e[91m❌ Another instance is running! Bye...\e[0m\n" >&2
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exit "${ERR_FLOCK_COLL}"
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fi
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### CHECK FOR AUTOBUILD MODE
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for arg in "$@"; do case "${arg,,}" in -a=*|--autobuild=*) declare -gx VAR_HANDLER_AUTOBUILD="true"; declare -gx VAR_KERNEL="${arg#*=}";; esac; done; unset arg
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for dir in /usr/local/sbin /usr/sbin; do case ":${PATH}:" in *":${dir}:"*) ;; *) PATH="${PATH}:${dir}" ;; esac; done; export PATH; unset dir
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### CHECKING REQUIRED PACKAGES
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check_pkgs
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### DIALOG OUTPUT FOR INITIALIZATION
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if ! ${VAR_HANDLER_AUTOBUILD}; then boot_screen; fi
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### Updating Status of Dialog Gauge Bar
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if ! ${VAR_HANDLER_AUTOBUILD}; then printf "XXX\nInitialization done ... \nXXX\n15\n" >&3; fi
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### Updating Status of Dialog Gauge Bar
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if ! ${VAR_HANDLER_AUTOBUILD}; then printf "XXX\nAdditional initialization ... \nXXX\n30\n" >&3; fi
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### Updating Status of Dialog Gauge Bar
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if ! ${VAR_HANDLER_AUTOBUILD}; then printf "XXX\nActivate traps ... \nXXX\n50\n" >&3; fi
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### Following the CISS Bash naming and ordering scheme:
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trap 'trap_on_exit "$?"' EXIT
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trap 'trap_on_err "$?" "${BASH_SOURCE[0]}" "${LINENO}" "${FUNCNAME[0]:-main}" "${BASH_COMMAND}"' ERR
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### Updating Status of Dialog Gauge Bar
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if ! ${VAR_HANDLER_AUTOBUILD}; then printf "XXX\nSanitizing Arguments ... \nXXX\n75\n" >&3; fi
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arg_check "$@"
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declare -ar ARY_ARG_SANITIZED=("$@")
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declare -gr VAR_ARG_SANITIZED="${ARY_ARG_SANITIZED[*]}"
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### Updating Status of Dialog Gauge Bar
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if ! ${VAR_HANDLER_AUTOBUILD}; then printf "XXX\nParsing Arguments ... \nXXX\n90\n" >&3; fi
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arg_parser "$@"
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### Updating Status of Dialog Gauge Bar
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if ! ${VAR_HANDLER_AUTOBUILD}; then printf "XXX\nFinal checks ... \nXXX\n95\n" >&3; fi
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clean_ip
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### Updating Status of Dialog Gauge Bar
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if ! ${VAR_HANDLER_AUTOBUILD}; then printf "XXX\nInitialization completed ... \nXXX\n100\n" >&3; sleep 1; fi
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### Turn off Dialog Wrapper
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if ! ${VAR_HANDLER_AUTOBUILD}; then boot_screen_cleaner; fi
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### MAIN Program
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arg_priority_check
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check_stats
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if ! ${VAR_HANDLER_AUTOBUILD}; then check_provider; fi
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if ! ${VAR_HANDLER_AUTOBUILD}; then check_kernel; fi
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if [[ ! "${VAR_SSHFP}" == "true" ]]; then
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rm -f "${SCRIPT_BASEPATH}/config/includes.chroot/root/.ssh/id_2025_ed25519_ciss_primordial"
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rm -f "${SCRIPT_BASEPATH}/config/includes.chroot/root/.ssh/id_2025_ed25519_ciss_primordial.pub"
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fi
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check_hooks
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hardening_ssh
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ciss_upgrades
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lb_config_start
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if [[ "${VAR_SUITE}" == "bookworm" ]]; then
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lb_config_write
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rm -f "${SCRIPT_BASEPATH}/config/hooks/live/9998_sources_list_trixie.chroot"
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rm -f "${SCRIPT_BASEPATH}/config/includes.chroot/etc/login.defs"
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else
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lb_config_write_trixie
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rm -f "${SCRIPT_BASEPATH}/config/hooks/live/0003_install_backports.chroot"
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rm -f "${SCRIPT_BASEPATH}/config/hooks/live/9998_sources_list_bookworm.chroot"
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fi
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# shellcheck disable=SC2164
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cd "${VAR_WORKDIR}"
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hardening_ultra
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hardening_root_pw
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change_splash
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check_dhcp
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cdi
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provider_netcup
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note_target
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update_microcode
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### Start the build process
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set +o errtrace
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lb_build_start
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set -o errtrace
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run_analysis
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copy_db
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declare -g VAR_SCRIPT_SUCCESS=true
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exit 0
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# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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