437 lines
16 KiB
Bash
437 lines
16 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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#######################################
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# Argument Parser
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# Globals:
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# BUILD_LOG
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# DEBUG
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# EARLY_DEBUG
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# ERR_CONTROL_CT
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# ERR_MISS_PWD_F
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# ERR_MISS_PWD_P
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# ERR_OWNS_PWD_F
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# ERR_PASS_LENGH
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# ERR_PASS_PLICY
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# ERR_REIONICE_P
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# ERR_REIO_C_VAL
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# ERR_REIO_P_VAL
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# ERR_RENICE_PRI
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# ERR_RGHT_PWD_F
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# ERR_SPLASH_PNG
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# ERR_UNCRITICAL
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# ERR__SSH__PORT
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# handler_architecture
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# HANDLER_BUILD_DIR
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# HANDLER_CDI
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# HANDLER_DHCP
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# VAR_HANDLER_ISO_COUNTER
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# HANDLER_PRIORITY
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# HANDLER_SPLASH
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# HANDLER_SSHPORT
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# HANDLER_SSHPUBKEY
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# HANDLER_STA
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# HASHED_PWD
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# ISO8601
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# REIONICE_CLASS
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# REIONICE_PRIORITY
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# VAR_VERSION
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# handler_jumphost
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# Arguments:
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# None
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#######################################
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#######################################
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# description
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# Globals:
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# ARY_HANDLER_JUMPHOST
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# ARY_HANDLER_NETCUP_IPV6
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# ERR_ARG_MSMTCH
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# ERR_CONTROL_CT
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# ERR_MISS_PWD_F
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# ERR_MISS_PWD_P
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# ERR_OWNS_PWD_F
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# ERR_PASS_LENGH
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# ERR_PASS_PLICY
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# ERR_REIONICE_P
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# ERR_REIO_C_VAL
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# ERR_REIO_P_VAL
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# ERR_RENICE_PRI
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# ERR_RGHT_PWD_F
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# ERR_SPLASH_PNG
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# ERR_UNCRITICAL
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# ERR__SSH__PORT
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# VAR_ARCHITECTURE
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# VAR_BUILD_LOG
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# VAR_EARLY_DEBUG
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# VAR_HANDLER_BUILD_DIR
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# VAR_HANDLER_CDI
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# VAR_HANDLER_DHCP
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# VAR_HANDLER_ISO_COUNTER
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# VAR_HANDLER_NETCUP_IPV6
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# VAR_HANDLER_PRIORITY
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# VAR_HANDLER_SPLASH
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# VAR_HANDLER_STA
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# VAR_HASHED_PWD
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# VAR_ISO8601
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# VAR_REIONICE_CLASS
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# VAR_REIONICE_PRIORITY
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# VAR_SSHPORT
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# VAR_SSHPUBKEY
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# Arguments:
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# None
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#######################################
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arg_parser() {
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while [[ $# -gt 0 ]]; do
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declare argument="${1}"
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case "${argument,,}" in
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-a=* | --autobuild=*)
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shift 1
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;;
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-c | --contact)
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if [[ -n "${2}" && "${2}" != -* ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --contact MUST NOT be followed by an argument.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_ARG_MSMTCH}"
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fi
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shift 1
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;;
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-h | --help)
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if [[ -n "${2}" && "${2}" != -* ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --help MUST NOT be followed by an argument.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_ARG_MSMTCH}"
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fi
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shift 1
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;;
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-v | --version)
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if [[ -n "${2}" && "${2}" != -* ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --version MUST NOT be followed by an argument.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_ARG_MSMTCH}"
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fi
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shift 1
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;;
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--architecture)
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if [[ "${2}" == "amd64" || "${2}" == "arm64" ]]; then
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declare -gx VAR_ARCHITECTURE="${2}"
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shift 2
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else
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --architecture MUST be 'amd64' or 'arm64'.\e[0m\n" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_UNCRITICAL}"
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fi
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;;
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--build-directory)
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declare -gx VAR_HANDLER_BUILD_DIR="${2}"
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if [[ ! "${VAR_HANDLER_BUILD_DIR}" =~ ^/ ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --build-directory MUST be an absolute path. Got: '%s'\n" "${VAR_HANDLER_BUILD_DIR}" >&2
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exit "${ERR_NOTABSPATH}"
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fi
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declare -gx VAR_BUILD_LOG="${VAR_HANDLER_BUILD_DIR}/${VAR_ISO8601}_build.log"
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shift 2
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;;
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--cdi)
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if [[ -n "${2}" && "${2}" != -* ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --cdi MUST NOT be followed by an argument.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_ARG_MSMTCH}"
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fi
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declare -g VAR_HANDLER_CDI=true
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shift 1
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;;
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--change-splash )
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if [[ "${2}" == "club" || "${2}" == "hexagon" ]]; then
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declare -g VAR_HANDLER_SPLASH="${2}"
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shift 2
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else
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --change-splash MUST be 'club' or 'hexagon'.\e[0m\n" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_SPLASH_PNG}"
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fi
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;;
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--control)
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if [[ -n "${2}" ]]; then
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declare -g VAR_HANDLER_ISO_COUNTER="${2}"
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shift 2
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else
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --control MUST be provided with a Parameter.\e[0m\n" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_CONTROL_CT}"
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fi
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;;
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--debug)
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if [[ -n "${2}" && "${2}" != -* ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --debug MUST NOT be followed by an argument.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_ARG_MSMTCH}"
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fi
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shift 1
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;;
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--dhcp-centurion)
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if [[ -n "${2}" && "${2}" != -* ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --dhcp-centurion MUST NOT be followed by an argument.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_ARG_MSMTCH}"
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fi
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declare -gi VAR_HANDLER_DHCP=1
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shift 1
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;;
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--jump-host)
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if [[ -n "${2}" && "${2}" != -* ]]; then
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declare -i count=0
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shift
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while [[ "${#}" -gt 0 && "${1}" != -* && count -lt 10 ]]; do
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declare -g ARY_HANDLER_JUMPHOST+=("$1")
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count=$((count + 1))
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shift
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done
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while [[ "${#}" -gt 0 && "${1}" != -* ]]; do
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shift
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done
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else
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --jump-host MUST contain one or up to ten IPs.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_ARG_MSMTCH}"
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fi
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;;
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--log-statistics-only)
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if [[ -n "${2}" && "${2}" != -* ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --log-statistics-only MUST NOT be followed by an argument.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_ARG_MSMTCH}"
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fi
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declare -gi VAR_HANDLER_STA=1
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shift 1
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;;
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--provider-netcup-ipv6)
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if [[ -n "${2}" && "${2}" != -* ]]; then
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declare -i count=0
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declare -g VAR_HANDLER_NETCUP_IPV6=true
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shift
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while [[ "${#}" -gt 0 && "${1}" != -* && count -lt 1 ]]; do
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declare cleaned="${1//[\[\]]/}"
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declare -g ARY_HANDLER_NETCUP_IPV6+=("${cleaned}")
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count=$((count + 1))
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shift
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done
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while [[ "${#}" -gt 0 && "${1}" != -* ]]; do
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shift
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done
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else
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --provider-netcup-ipv6 MUST provide one IPv6.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_ARG_MSMTCH}"
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fi
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;;
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--renice-priority)
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if [[ -n ${2} && ${2} =~ ^-?[0-9]+$ && ${2} -ge -19 && ${2} -le 19 ]]; then
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declare -gi VAR_HANDLER_PRIORITY="$2"
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shift 2
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else
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --renice-priority MUST an integer between '-19' and '19'.\e[0m\n" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_RENICE_PRI}"
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fi
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;;
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--reionice-priority)
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if [[ -z "${2}" ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --reionice-priority no values provided.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_REIONICE_P}"
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else
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if [[ "${2}" =~ ^[1-3]$ ]]; then
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declare -gi VAR_REIONICE_CLASS="${2}"
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if [[ -z "${3}" ]]; then
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:
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else
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if [[ "${3}" =~ ^[0-7]$ ]]; then
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declare -gi VAR_REIONICE_PRIORITY="${3}"
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else
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --reionice-priority PRIORITY MUST be an integer between '0' and '7'.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_REIO_P_VAL}"
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fi
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fi
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else
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --reionice-priority CLASS MUST be an integer between '1' and '3'.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_REIO_C_VAL}"
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fi
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fi
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if [[ -n ${VAR_REIONICE_PRIORITY} ]]; then
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shift 3
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else
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shift 2
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fi
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;;
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--root-password-file)
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declare pw_file="${2}"
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if [[ -z "${pw_file}" ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --root-password-file missing password file path argument.\e[0m\n" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_MISS_PWD_P}"
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fi
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if [[ ! -f "${pw_file}" ]]; then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --root-password-file password file '%s' does not exist.\e[0m\n" "${pw_file}" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_MISS_PWD_F}"
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fi
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declare owner
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owner=$(stat -c '%U:%G' "${pw_file}")
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if [[ "${owner}" != "root:root" ]]; then
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chown root:root "${pw_file}" || {
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --root-password-file failed to set owner root:root on '%s'.\e[0m\n" "${pw_file}" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_OWNS_PWD_F}"
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}
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fi
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declare perms
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perms=$(stat -c '%a' "${pw_file}")
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if [[ "${perms}" -ne 400 ]]; then
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chmod 400 "${pw_file}" || {
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --root-password-file failed to set permissions 0400 on '%s'.\e[0m\n" "${pw_file}" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_RGHT_PWD_F}"
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}
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fi
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declare plaintext_pw
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[[ "${VAR_EARLY_DEBUG}" == "true" ]] && set +x # No tracing for security reasons
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if ! IFS= read -r plaintext_pw < "${pw_file}"; then
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:
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fi
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[[ "${VAR_EARLY_DEBUG}" == "true" ]] && set -x # Turn on tracing again
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declare pw_length
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pw_length=${#plaintext_pw}
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if (( pw_length < 20 || pw_length > 64 )); then
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --root-password-file password MUST be between 20 and 64 characters (got %d).\e[0m\n" "${pw_length}" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_PASS_LENGH}"
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fi
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[[ "${VAR_EARLY_DEBUG}" == "true" ]] && set +x # No tracing for security reasons
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if [[ "${plaintext_pw}" == *\"* ]]; then
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[[ "${VAR_EARLY_DEBUG}" == "true" ]] && set -x # Turn on tracing again
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --root-password-file password MUST NOT contain double quotes (\").\e[0m\n" >&2
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# shellcheck disable=SC2162
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read -p $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR_PASS_PLICY}"
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fi
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[[ "${VAR_EARLY_DEBUG}" == "true" ]] && set -x # Turn on tracing again
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declare salt
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set +o pipefail
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while :; do
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salt=$(tr -dc 'A-Za-z0-9' </dev/random | head -c 16)
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[[ ${#salt} -eq 16 ]] && break
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done
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set -o pipefail
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declare hash_temp
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[[ "${VAR_EARLY_DEBUG}" == "true" ]] && set +x # No tracing for security reasons
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hash_temp=$(mkpasswd --method=sha-512 --salt="${salt}" --rounds=8388608 "${plaintext_pw}")
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[[ "${VAR_EARLY_DEBUG}" == "true" ]] && set -x # Turn on tracing again
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declare -g VAR_HASHED_PWD="${hash_temp}"
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unset hash_temp plaintext_pw
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sync
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if shred -vfzu -n 5 "${pw_file}" > /dev/null 2>&1; then
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printf "\e[92m✅ Password file '%s': shred -vfzu -n 5 >> done. \e[0m\n" "${pw_file}" > /dev/null 2>&1
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else
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printf "\e[91m❌ Password file '%s': shred -vfzu -n 5 >> NOT successful. \e[0m\n" "${pw_file}" > /dev/null 2>&1
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fi
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sync
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shift 2
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;;
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--ssh-port)
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if [[ -n "${2}" && "${2}" =~ ^-?[0-9]+$ && "${2}" -ge 1 && "${2}" -le 65535 ]]; then
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declare -gi VAR_SSHPORT="${2}"
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shift 2
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else
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
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printf "\e[91m❌ Error: --ssh-port MUST be an integer between '1' and '65535'.\e[0m\n" >&2
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read -p -r $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
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exit "${ERR__SSH__PORT}"
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fi
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;;
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--ssh-pubkey)
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declare -g VAR_SSHPUBKEY="${2}"
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shift 2
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;;
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*)
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if ! $VAR_HANDLER_AUTOBUILD; then boot_screen_cleaner; fi
|
||
usage
|
||
;;
|
||
esac
|
||
done
|
||
}
|
||
# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
|