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CISS.debian.installer/ciss_debian_installer.sh
Marc S. Weidner beef3eeb28
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V8.00.000.2025.06.17 
Signed-off-by: Marc S. Weidner <msw@coresecret.dev>
2025-08-09 00:09:36 +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
### Contributions so far see ./docs/CREDITS.md
# TODO: Update .dot files.
# TODO: Update README.md for each lib and func dir.
# TODO: Update MANPAGES.md for each func.
# TODO: Update preseed.yaml for pgp signing key AND / OR implementation of presigned unlock_wrapper.sh
# TODO: Implement Clang Build Chain and Secure Boot PK CISS.ROOT.CA Signing Workflow
# TODO: Update preseed.yaml for pgp signing key OR implementation of presigned unlock_wrapper.sh
# TODO: Implement Console Login Deactivation and 2fa as advertised in preseed.yaml Refactor 4500_installation_accounts.sh
# TODO: Check Packages for installation. Refactor preseed.yaml, 4130_installation_toolset.sh, 4700_setup_packages.sh
# TODO: What do we need for CISS environment?
# TODO: Hardening Scripts Integration
# TODO: SSH 2fa integration
# TODO: Recovery Partition Integration
# TODO: Grub Boot Menu Update for Recovery Integration
# TODO: update-grub Post Hook Clang, Recovery, Signing PK
# TODO: Copying Log Files to final System
# TODO: Integrate CISS.debian.installer calling arguments and preseed.yaml into CISS.debian.live.builder build chain?
# TODO: Reboot function for Autoinstall
# TODO: 0105_arg_nuke_converter.sh - implement HashRounds as argument
# TODO: Implement loop_pass() for other passwords 0105_arg_nuke_converter.sh
# TODO: Implement / Integrate IP, Port validation CDI_1200
### WHY BASH?
# Ease of installation. No compiling or installing gems, CPAN modules, pip packages, etc. Simple to use and read. Clear syntax
# and straightforward output interpretation. Built-in power. Pattern matching, line processing, and regular expression support
# are available natively, no external binaries required. Cross-platform consistency. '/bin/bash' is the default shell on most
# Linux distributions, ensuring scripts run unmodified across systems. macOS compatibility. Since macOS Catalina (10.15), the
# default login shell has been zsh, but bash remains available at '/bin/bash'. Windows support. You can use bash via WSL, MSYS2,
# or Cygwin on Windows systems.
### CATCH ARGUMENTS AND DECLARE BASIC VARIABLES.
# shellcheck disable=SC2155
declare -girx VAR_START_TIME="${SECONDS}" # Start time of script execution.
declare -grx VAR_PARAM_COUNT="$#" # Arguments passed to script.
declare -grx VAR_PARAM_STRNG="$*" # Arguments passed to script as string.
declare -ag ARY_PARAM_ARRAY=("$@") # Arguments passed to script as an array.
declare -grx VAR_SETUP_FILE="${0##*/}" # 'setup.sh'
declare -grx VAR_SETUP_PATH="$(cd "$(dirname "${0}")" && pwd)" # '/opt/git/CISS.debian.installer'
declare -grx VAR_SETUP_FULL="$(cd "$(dirname "${0}")" && pwd)/${0##*/}" # '/opt/git/CISS.debian.installer/setup.sh'
### PRELIMINARY CHECKS.
### No ash, dash, ksh, sh.
# shellcheck disable=2292
[ -z "${BASH_VERSINFO[0]}" ] && {
. ./meta_loader_early.sh
printf "%b❌ Please make sure you are using 'bash'! Bye... %b%b" "${RED}" "${RES}" "${NL}" >&2
exit "${ERR_UNSUPPORTED_BASH}"
}
### No zsh.
[[ -n "${ZSH_VERSION:-}" ]] && {
. ./meta_loader_early.sh
printf "%b❌ Please make sure you are using 'bash'! Bye... %b%b" "${RED}" "${RES}" "${NL}" >&2
exit "${ERR_UNSUPPORTED_BASH}"
}
### Not root.
[[ ${EUID} -ne 0 ]] && {
. ./meta_loader_early.sh
printf "%b❌ Please make sure you are 'root'! Bye... %b%b" "${RED}" "${RES}" "${NL}" >&2
exit "${ERR_USER_IS_NOT_ROOT}"
}
### Not called by sh.
# shellcheck disable=2312
[[ $(kill -l | grep -c SIG) -eq 0 ]] && {
. ./meta_loader_early.sh
printf "%b❌ Please make sure you are calling the script without leading 'sh'! Bye... %b%b" "${RED}" "${RES}" "${NL}" >&2
exit "${ERR_UNSUPPORTED_BASH}"
}
### Not sourced.
[[ "${BASH_SOURCE[0]}" != "$0" ]] && {
. ./meta_loader_early.sh
printf "%b❌ This script must be executed, not sourced. Please run './setup.sh' directly. %b%b" "${RED}" "${RES}" "${NL}" >&2
exit "${ERR_UNSUPPORTED_BASH}"
}
### Minimum Bash version 5.
[[ ${BASH_VERSINFO[0]} -lt 5 ]] && {
. ./meta_loader_early.sh
printf "%b❌ Minimum requirement is bash 5.1. You are using '%s'! Bye... %b%b" "${RED}" "${BASH_VERSION}" "${RES}" "${NL}" >&2
exit "${ERR_UNSUPPORTED_BASH}"
}
### Minimum Bash version 5.1.
[[ ${BASH_VERSINFO[0]} -le 5 ]] && [[ ${BASH_VERSINFO[1]} -le 1 ]] && {
. ./meta_loader_early.sh
printf "%b❌ Minimum requirement is bash 5.1. You are using '%s'! Bye... %b%b" "${RED}" "${BASH_VERSION}" "${RES}" "${NL}" >&2
exit "${ERR_UNSUPPORTED_BASH}"
}
### No arguments.
[[ ${#} -eq 0 ]] && {
. ./meta_loader_early.sh
usage >&2
exit 1
}
### CHECK FOR CONTACT, HELP, AND VERSION STRING.
for arg in "$@"; do case "${arg,,}" in -c|--contact) . ./meta_loader_cuv.sh; contact; exit 0;; esac; done
for arg in "$@"; do case "${arg,,}" in -h|--help) . ./meta_loader_cuv.sh; usage ; exit 0;; esac; done
for arg in "$@"; do case "${arg,,}" in -v|--version) . ./meta_loader_cuv.sh; version; exit 0;; esac; done
### SOURCING MUST SET EARLY VARIABLES. SOURCING COLOR_ECHO(), GUARD_SOURCING(), AND SOURCE_GUARD().
. ./lib/cdi_0005_guard/0005_guard_sourcing.sh # The function guard_sourcing MUST be present in each file to source.
. ./lib/cdi_0005_guard/0006_source_guard.sh # Wrapper for sourcing modules, libraries, variables.
source_guard "./var/color.var.sh"
source_guard "./var/early.var.sh"
source_guard "./lib/cdi_0010_basic/0010_color_echo.sh"
clear
### ALL CHECKS DONE. READY TO START THE SCRIPT.
# shellcheck disable=SC2155
declare -grx VAR_DIALOG=$(mktemp var_dialog.XXXXXXXX)
color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: ALL CHECKS DONE. READY TO START THE SCRIPT"
declare -grx VAR_SETUP="true"
### SOURCING FUNCTIONS, LIBRARIES, VARIABLES.
if [[ "${VAR_SETUP}" == "true" ]]; then
### SOURCING VARIABLES
color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: SOURCING VARIABLES"
. ./meta_loader_var.sh
### SOURCING FUNCTIONS
color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: SOURCING FUNCTIONS"
. ./meta_loader_func.sh
### SOURCING LIBRARIES
color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: SOURCING LIBRARIES"
. ./meta_loader_lib.sh
fi
### PREPARING DIRECTORIES AND FILES.
color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: PREPARING DIRECTORIES AND FILES"
gen_dir_files
### CHECKING REQUIRED PACKAGES.
#color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: CHECKING REQUIRED PACKAGES"
#check_pkgs
color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: CHECKING GIT VARIABLES"
check_git
### ADVISORY LOCK.
color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: ADVISORY LOCK"
exec 127>/var/lock/ciss_debian_installer.lock || {
printf "%b❌ Cannot open lockfile for writing! Bye... %b%b" "${RED}" "${RES}" "${NL}" >&2
exit "${ERR_FLOCK_PROTECTED}"
}
if ! flock -x -n 127; then
printf "%b❌ Another instance is running! Bye...%b%b" "${RED}" "${RES}" "${NL}" >&2
exit "${ERR_FLOCK_COLLISION}"
fi
### SCAN FOR DEBUG MODE.
color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: SCAN FOR DEBUG MODE"
pre_scan_debug "$@"
### CHECK FOR AUTO INSTALL MODE.
color_echo "${GRE}" "CISS.DEBIAN.INSTALLER PREPARATION: CHECK FOR AUTO INSTALL MODE"
for arg in "$@"; do case "${arg,,}" in -a|--autoinstall) declare -gx VAR_AUTO_INSTALL="true";; esac; done; unset arg
### ACTIVATING TRAPS.
info_echo "ACTIVATING TRAPS"
trap 'trap_exit "$?" "${BASH_SOURCE[0]}" "${LINENO}" "${FUNCNAME[0]:-main}" "${BASH_COMMAND}"' EXIT
trap 'trap_err "$?" "${BASH_SOURCE[0]}" "${LINENO}" "${FUNCNAME[0]:-main}" "${BASH_COMMAND}"' ERR
trap 'trap_int' INT TERM
### INTERACTIVE MODE NOTES AND KERNEL SELECTION.
if ! "${VAR_AUTO_INSTALL}"; then dialog_kernel; fi
if ! "${VAR_AUTO_INSTALL}"; then dialog_notes; fi
### Dialog Output for Initialization START.
info_echo "CHECK DIALOG WRAPPER"
if ! "${VAR_AUTO_INSTALL}"; then dialog_box; fi
### ARGUMENT CHECKS.
info_echo "0101_arg_sanitizer.sh"
arg_check "$@"
declare -ar ARY_ARG_SANITIZED=("$@")
declare -grx VAR_ARG_SANITIZED="${ARY_ARG_SANITIZED[*]}"
### ARGUMENT PARSING.
info_echo "0102_arg_parser.sh"
arg_parser "$@"
### PRIORITY UPDATES.
info_echo "0103_arg_priority_check.sh"
arg_priority_check
### HASHING PASSWORDS.
info_echo "0105_arg_nuke_converter.sh"
nuke_passphrase
### CDI_1200
### CDI_1250
info_echo "1250_yaml_parser.sh"
yaml_parser
info_echo "1251_yaml_reader.sh"
yaml_reader
info_echo "1252_yaml_validator.sh"
yaml_validator
### CDI_3200
info_echo "3200_partitioning.sh"
partitioning
info_echo "3210_benchmarking_encryption.sh"
benchmarking_encryption
info_echo "3220_partition_encryption.sh"
partition_encryption
info_echo "3240_partition_formatting.sh"
partition_formatting
info_echo "3280_mount_partition.sh"
mount_partition
info_echo "3290_uuid_logger.sh"
uuid_logger
### CDI_4000
info_echo "4000_debootstrap.sh"
func_debootstrap
info_echo "4010_prepare_mounts.sh"
prepare_mounts
info_echo "4020_remove_x509.sh"
remove_x509
info_echo "4030_setup_hostname.sh"
setup_hostname
info_echo "4035_setup_resolv.sh"
setup_resolv
info_echo "4040_setup_timezone.sh"
setup_timezone
info_echo "4050_setup_locales.sh"
setup_locales
### CDI_4100
info_echo "4100_generate_sources.sh"
generate_sources
info_echo "4110_update_sources.sh"
update_sources
info_echo "4120_installation_kernel.sh"
installation_kernel
info_echo "4121_installation_initramfs.sh"
installation_initramfs
info_echo "4130_installation_toolset.sh"
installation_toolset
info_echo "4131_installation_systemd.sh"
installation_systemd
info_echo "4132_installation_machineid.sh"
installation_machineid
info_echo "4133_installation_masking.sh"
installation_masking
info_echo "4140_installation_microcode.sh"
installation_microcode
info_echo "4150_installation_chrony.sh"
installation_chrony
### CDI_4200
info_echo "4200_generate_fstab.sh"
generate_fstab
info_echo "4205_check_fstab.sh"
check_fstab
info_echo "4210_generate_crypttab.sh"
generate_crypttab
info_echo "4220_installation_cryptsetup.sh"
installation_cryptsetup
info_echo "4230_installation_grub.sh"
installation_grub
info_echo "4240_update_grub_password.sh"
update_grub_password
info_echo "4250_update_grub_bootparameter.sh"
update_grub_bootparameter
### CDI_4300
info_echo "4300_installation_network.sh"
installation_network
info_echo "4310_dropbear_build.sh"
dropbear_build
info_echo "4311_dropbear_initramfs.sh"
dropbear_initramfs
info_echo "4312_dropbear_setup.sh"
dropbear_setup
info_echo "4320_update_initramfs.sh"
update_initramfs
### CDI_4400
info_echo "4400_kernel_modules.sh"
kernel_modules && kernel_modprobe
info_echo "4410_kernel_sysctl.sh"
kernel_sysctl
info_echo "4420_installation_ssh.sh"
installation_ssh
info_echo "4430_installation_skel.sh"
installation_skel
info_echo "4440_hardening_files.sh"
hardening_files
info_echo "4450_hardening_haveged.sh"
hardening_haveged
info_echo "4460_hardening_memory.sh"
hardening_memory
### CDI_4500
info_echo "4500_installation_accounts.sh"
installation_accounts # TODO: Checks ongoing
### CDI_4600
#info_echo "4205_check_fstab.sh"
#info_echo "4610_finalize_system.sh"
#info_echo "4670_verify_system.sh"
#info_echo "4680_check_sshd_config_integrity.sh"
#info_echo "4690_check_grub_cmdline.sh"
### CDI_4700
info_echo "4799_exiting_chroot_system.sh"
exiting_chroot_system
### CDI_5000
if [[ "${VAR_RECOVERY}" == "true" ]]; then
wrapper_recovery
fi
### Dialog Output for Initialization END
if ! "${VAR_AUTO_INSTALL}"; then . ./lib/cdi_0200_dialog/0200_dialog_helper.sh && dialog_box_cleaner; fi
declare -gx VAR_SCRIPT_SUCCESS="true"
exit 0
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
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