V8.03.768.2025.06.18

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

.archive/icon.lib

@@ -46,4 +46,10 @@
 🧠
 📅
 🎯
+🌐
+🔗
+💬
+☢️
+☣️
+•
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh

.gitea/ISSUE_TEMPLATE/ISSUE_TEMPLATE.yaml

@@ -25,7 +25,7 @@ body:
     attributes:
       label: "Version"
       description: "Which version are you running? Use `./ciss_live_builder.sh -v`."
-      placeholder: "e.g., Master V8.03.768.2025.06.17"
+      placeholder: "e.g., Master V8.03.768.2025.06.18"
     validations:
       required: true
 

.gitea/TODO/dockerfile

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 FROM debian:bookworm
 

.gitea/TODO/render-md-to-html.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 name: 🔁 Render README.md to README.html.
 

.gitea/trigger/t_generate_PRIVATE_iso_flavour_0.yaml

@@ -10,6 +10,6 @@
 # SPDX-Security-Contact: security@coresecret.eu
 
 build:
-  counter: 1023
+  counter: 1024
-  version: V8.03.768.2025.06.17
+  version: V8.03.768.2025.06.18
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=yaml

.gitea/trigger/t_generate_PRIVATE_iso_flavour_1.yaml

@@ -10,6 +10,6 @@
 # SPDX-Security-Contact: security@coresecret.eu
 
 build:
-  counter: 1023
+  counter: 1024
-  version: V8.03.768.2025.06.17
+  version: V8.03.768.2025.06.18
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=yaml

.gitea/trigger/t_generate_PUBLIC.yaml

@@ -10,6 +10,6 @@
 # SPDX-Security-Contact: security@coresecret.eu
 
 build:
-  counter: 1023
+  counter: 1024
-  version: V8.03.768.2025.06.17
+  version: V8.03.768.2025.06.18
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=yaml

.gitea/trigger/t_generate_dns.yaml

@@ -11,5 +11,5 @@
 
 build:
   counter: 1023
-  version: V8.03.768.2025.06.17
+  version: V8.03.768.2025.06.18
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=yaml

.gitea/workflows/generate_PRIVATE_iso_flavour_0.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 name: 🔐 Generating a Private Live ISO FLV 0.
 

.gitea/workflows/generate_PRIVATE_iso_flavour_1.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 name: 🔐 Generating a Private Live ISO FLV 1.
 

.gitea/workflows/generate_PUBLIC_iso.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 name: 💙 Generating a PUBLIC Live ISO.
 

.gitea/workflows/linter_char_scripts.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 # Gitea Workflow: Shell-Script Linting
 #

.gitea/workflows/render-dnssec-status.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 name: 🛡️ Retrieve DNSSEC status of coresecret.dev.
 

.gitea/workflows/render-dot-to-png.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 name: 🔁 Render Graphviz Diagrams.
 

.version.properties

@@ -15,5 +15,5 @@ properties_SPDX-License-Identifier="EUPL-1.2 OR LicenseRef-CCLA-1.0"
 properties_SPDX-LicenseComment="This file is part of the CISS.debian.installer.secure framework."
 properties_SPDX-PackageName="CISS.debian.live.builder"
 properties_SPDX-Security-Contact="security@coresecret.eu"
-properties_version="V8.03.768.2025.06.17"
+properties_version="V8.03.768.2025.06.18"
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=conf

CISS.debian.live.builder.spdx

@@ -6,7 +6,7 @@ Creator: Person: Marc S. Weidner (Centurion Intelligence Consulting Agency)
 Created: 2025-05-07T12:00:00Z
 Package: CISS.debian.live.builder
 PackageName: CISS.debian.live.builder
-PackageVersion: Master V8.03.768.2025.06.17
+PackageVersion: Master V8.03.768.2025.06.18
 PackageSupplier: Organization: Centurion Intelligence Consulting Agency
 PackageDownloadLocation: https://git.coresecret.dev/msw/CISS.debian.live.builder
 PackageHomePage: https://git.coresecret.dev/msw/CISS.debian.live.builder

LINTER_RESULTS.txt

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-This file was automatically generated by the DEPLOY BOT on: "2025-06-17T17:03:33Z".
+This file was automatically generated by the DEPLOY BOT on: "2025-06-19T05:24:22Z".
 
 ✅ The last linter check was successful. ✅
 

LIVE_ISO.public

@@ -9,19 +9,19 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-This file was automatically generated by the DEPLOY BOT on: "2025-06-17T14:54:34Z".
+This file was automatically generated by the DEPLOY BOT on: "2025-06-18T21:50:56Z".
 
 CISS.debian.live.builder ISO :
-  "ciss-debian-live-2025_06_17T14_12_22Z-amd64.hybrid.iso"
+  "ciss-debian-live-2025_06_18T21_08_53Z-amd64.hybrid.iso"
 CISS.debian.live.builder ISO sha512 :
-  "ciss-debian-live-2025_06_17T14_12_22Z-amd64.hybrid.iso.sha512"
+  "ciss-debian-live-2025_06_18T21_08_53Z-amd64.hybrid.iso.sha512"
 CISS.debian.live.builder ISO sha512 sign :
   -----BEGIN PGP SIGNATURE-----
 
-iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaFGBqgAKCRA85KY4hzOw
+iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaFM0wAAKCRA85KY4hzOw
-IYthAQDYHWvmctdnn39QGj0cdLgPkqMd3JTtC+goiM2BO6UAoQD/SM4ObHSBQ9ZO
+IQbyAQCtRTyJPrZgrrlJNBtLkLQzK83InAGExjyCgpwIO0NvIgEA/bzBIriY74gt
-tQ5Wj5SzmMyMqFB9UIFizaEH0RcBEgk=
+o+P3J3uIWvM2dg+y/ZmZs2zTxWrpbAQ=
-=zTxU
+=V25c
 -----END PGP SIGNATURE-----
 
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=text

LIVE_ISO_FLV_0.private

@@ -9,19 +9,19 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-This file was automatically generated by the DEPLOY BOT on: "2025-06-17T13:12:03Z".
+This file was automatically generated by the DEPLOY BOT on: "2025-06-18T20:08:42Z".
 
 CISS.debian.live.builder ISO :
-  "ciss-debian-live-2025_06_17T12_29_48Z-amd64.hybrid.iso"
+  "ciss-debian-live-2025_06_18T19_25_04Z-amd64.hybrid.iso"
 CISS.debian.live.builder ISO sha512 :
-  "ciss-debian-live-2025_06_17T12_29_48Z-amd64.hybrid.iso.sha512"
+  "ciss-debian-live-2025_06_18T19_25_04Z-amd64.hybrid.iso.sha512"
 CISS.debian.live.builder ISO sha512 sign :
   -----BEGIN PGP SIGNATURE-----
 
-iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaFFpowAKCRA85KY4hzOw
+iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaFMcygAKCRA85KY4hzOw
-IQmsAQC7nsyQvaiBPjFjze0arnTSyJ0X45OElMH6vwWeOPCYwgEAgoPURpD9KBWX
+IXmrAQDVXbrxCMSGAwBdMW2/ktkAhK3EabLM1PQp5YFNYs2ZrQEA5ChaDVFGRAv7
-TDSR3bhZqdaFTJYAQfguXxDI0wff8Aw=
+osOt0jAIgBg76hB9etM8QR8HNpNQAAo=
-=BqaA
+=gi+h
 -----END PGP SIGNATURE-----
 
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=text

LIVE_ISO_FLV_1.private

@@ -9,19 +9,19 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-This file was automatically generated by the DEPLOY BOT on: "2025-06-17T14:03:33Z".
+This file was automatically generated by the DEPLOY BOT on: "2025-06-18T21:00:01Z".
 
 CISS.debian.live.builder ISO :
-  "ciss-debian-live-2025_06_17T13_20_50Z-amd64.hybrid.iso"
+  "ciss-debian-live-2025_06_18T20_17_51Z-amd64.hybrid.iso"
 CISS.debian.live.builder ISO sha512 :
-  "ciss-debian-live-2025_06_17T13_20_50Z-amd64.hybrid.iso.sha512"
+  "ciss-debian-live-2025_06_18T20_17_51Z-amd64.hybrid.iso.sha512"
 CISS.debian.live.builder ISO sha512 sign :
   -----BEGIN PGP SIGNATURE-----
 
-iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaFF1tQAKCRA85KY4hzOw
+iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaFMo0QAKCRA85KY4hzOw
-IbsWAP9Zk6J3kFfRVASMGnT4h2Joak31pmX5p3Ron4mRDserMgEArhu1axOkGlyI
+IRsmAP4xwgNtkP08BV/x7nrsgqSAzywxsXsAMkyrebfQMtjx6QEA5amGDGiYBEUs
-MPD3Zw/YEZeRSRtGLPFPfEEq8zAmIQo=
+eMj3+inIpA+76hSSl1zbpp6NKuyapQY=
-=b16D
+=BvRU
 -----END PGP SIGNATURE-----
 
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=text

README.md

@@ -2,7 +2,7 @@
 gitea: none
 include_toc: true
 ---
-[![Static Badge](https://badges.coresecret.dev/badge/Release-V8.03.768.2025.06.17-white?style=plastic&logo=linux&logoColor=white&logoSize=auto&label=Release&color=%23FCC624)](https://git.coresecret.dev/msw/CISS.debian.live.builder)
+[![Static Badge](https://badges.coresecret.dev/badge/Release-V8.03.768.2025.06.18-white?style=plastic&logo=linux&logoColor=white&logoSize=auto&label=Release&color=%23FCC624)](https://git.coresecret.dev/msw/CISS.debian.live.builder)
  
 [![Static Badge](https://badges.coresecret.dev/badge/Licence-EUPL1.2-white?style=plastic&logo=europeanunion&logoColor=white&logoSize=auto&label=Licence&color=%23003399)](https://eupl.eu/1.2/en/)  
 [![Static Badge](https://badges.coresecret.dev/badge/opensourceinitiative-Compliant-white?style=plastic&logo=opensourceinitiative&logoColor=white&logoSize=auto&label=OSI&color=%233DA639)](https://opensource.org/license/eupl-1-2)  
@@ -12,7 +12,7 @@ include_toc: true
 [![Static Badge](https://badges.coresecret.dev/badge/Shellstyle-Google-white?style=plastic&logo=google&logoColor=white&logoSize=auto&label=Shellstyle&color=%234285F4)](https://google.github.io/styleguide/shellguide.html)
  
 [![Static Badge](https://badges.coresecret.dev/badge/Gitea-1.23.8-white?style=plastic&logo=gitea&logoColor=white&logoSize=auto&label=gitea&color=%23609926)](https://docs.gitea.com/)  
-[![Static Badge](https://badges.coresecret.dev/badge/IntelliJ-2025.1.1.1-white?style=plastic&logo=intellijidea&logoColor=white&logoSize=auto&label=IntelliJ&color=%23000000)](https://www.jetbrains.com/store/?section=personal&billing=yearly)  
+[![Static Badge](https://badges.coresecret.dev/badge/IntelliJ-2025.1.2-white?style=plastic&logo=intellijidea&logoColor=white&logoSize=auto&label=IntelliJ&color=%23000000)](https://www.jetbrains.com/store/?section=personal&billing=yearly)  
 [![Static Badge](https://badges.coresecret.dev/badge/keepassxc-2.7.10-white?style=plastic&logo=keepassxc&logoColor=white&logoSize=auto&label=KeePassXC&color=%236CAC4D)](https://keepassxc.org/)  
 [![Static Badge](https://badges.coresecret.dev/badge/netcup-Netcup-white?style=plastic&logo=netcup&logoColor=white&logoSize=auto&label=powered&color=%23056473)](https://www.netcup.com/de)  
 [![Static Badge](https://badges.coresecret.dev/badge/powered-Centurion-white?style=plastic&logo=europeanunion&logoColor=white&logoSize=auto&label=powered&color=%230F243E)](https://coresecret.eu/)  
@@ -26,7 +26,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 This shell wrapper automates the creation of a Debian Bookworm live ISO hardened according to the latest best practices in server
 and service security. It integrates into your build pipeline to deliver an isolated, robust environment suitable for
@@ -142,13 +142,20 @@ This means function status of the **CISS.2025.debian.live.builder** ISO after d-
 
 This project adheres strictly to a structured versioning scheme following the pattern x.y.z-Date.
 
-Example: `8.03.384.2025.06.03`
+Example: `V8.03.768.2025.06.18`
 
 `x.y.z` represents major (x), minor (y), and patch (z) version increments.
 
 Date (YYYY.MM.DD) denotes the build or release date, facilitating clear tracking of incremental changes and ensuring 
 reproducibility and traceability.
 
+### 1.6. Keywords
+
+The keywords "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED",
+"MAY", and "OPTIONAL" in this Repo are to be interpreted as described in [[BCP 14](https://www.rfc-editor.org/info/bcp14)], 
+[[RFC2119](https://datatracker.ietf.org/doc/html/rfc2119)], [[RFC8174](https://datatracker.ietf.org/doc/html/rfc8174)] when,
+and only when, they appear in all capitals, as shown here.
+
 # 2. Features & Rationale
 
 Below is a breakdown of each hardening component, with a summary of why each is critical to your security posture.

ciss_live_builder.sh

@@ -37,86 +37,45 @@
   . ./var/global.var.sh; printf "\e[91m❌ Minimum requirement is bash 5.1. You are using '%s'! Bye... \e[0m\n" "${BASH_VERSION}" >&2; exit "${ERR_UNSPPTBASH}"; }
 [[ ${BASH_VERSINFO[0]} -le 5 ]] && [[ ${BASH_VERSINFO[1]} -le 1 ]] && {
   . ./var/global.var.sh; printf "\e[91m❌ Minimum requirement is bash 5.1. You are using '%s'! Bye... \e[0m\n" "${BASH_VERSION}" >&2; exit "${ERR_UNSPPTBASH}"; }
+[[ ${#} -eq 0 ]] && {
+  . ./lib/lib_usage.sh; usage; exit 1; }
 
-declare -g VAR_HANDLER_AUTOBUILD="false"
+declare -gx VAR_CONTACT="security@coresecret.eu"
-declare -gr VAR_CONTACT="security@coresecret.eu"
+declare -gx VAR_VERSION="Master V8.03.768.2025.06.18"
-declare -gr VAR_VERSION="Master V8.03.768.2025.06.17"
-for dir in /usr/local/sbin /usr/sbin; do case ":${PATH}:" in *":${dir}:"*) ;; *) PATH="${PATH}:${dir}" ;; esac; done; export PATH; unset dir
 
-### VERY EARLY CHECK FOR AUTO-BUILD, CONTACT, USAGE, AND VERSION STRING
+### VERY EARLY CHECK FOR CONTACT, HELP, AND VERSION STRING
-declare arg
+for arg in "$@"; do case "${arg,,}" in -c|--contact) . ./lib/lib_contact.sh; contact; exit 0;; esac; done
-if [[ ${#} -eq 0 ]]; then . ./lib/lib_usage.sh; usage; exit 1; fi
-for arg in "$@"; do case "${arg,,}" in -a=*|--autobuild=*) declare -g VAR_HANDLER_AUTOBUILD=true; declare -g VAR_KERNEL="${arg#*=}";; esac; done
-for arg in "$@"; do case "${arg,,}" in -c|--contact) printf "\e[95mCISS.debian.live.builder Contact: %s\e[0m\n" "${VAR_CONTACT}"; exit 0;; esac; done
 for arg in "$@"; do case "${arg,,}" in -h|--help)    . ./lib/lib_usage.sh; usage; exit 0;; esac; done
 for arg in "$@"; do case "${arg,,}" in -v|--version) printf "\e[95mCISS.debian.live.builder Version: %s\e[0m\n" "${VAR_VERSION}"; exit 0;; esac; done
-unset arg
+declare -gx VAR_SETUP="true"
 
 ### VERY EARLY CHECK FOR XTRACE DEBUGGING
 if [[ $* == *" --debug "* ]]; then
   . ./lib/lib_debug.sh
+  . ./lib/lib_debug_header.sh
   debugger "${@}"
 else
-  declare -grx VAR_EARLY_DEBUG=false
+  declare -gx VAR_EARLY_DEBUG="false"
 fi
 
-### Advisory Lock
+### SOURCING VARIABLES
-exec 127>/var/lock/ciss_live_builder.lock || {
+[[ "${VAR_SETUP}" == true ]] && {
+  . ./var/bash.var.sh
+  . ./var/color.var.sh
   . ./var/global.var.sh
-  printf "\e[91m❌ Cannot open lockfile for writing! Bye... \e[0m\n" >&2
-  exit "${ERR_FLOCK_WRTG}"
 }
 
-if ! flock -x -n 127; then
+### SOURCING LIBRARIES
-  . ./var/global.var.sh
+[[ "${VAR_SETUP}" == true ]] && {
-  printf "\e[91m❌ Another instance is running! Bye...\e[0m\n" >&2
-  exit "${ERR_FLOCK_COLL}"
-fi
-
-### Checking required packages
-. ./lib/lib_check_pkgs.sh
-check_pkgs
-
-### Dialog Output for Initialization
-if ! $VAR_HANDLER_AUTOBUILD; then . ./lib/lib_boot_screen.sh && boot_screen; fi
-
-### Updating Status of Dialog Gauge Bar
-if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nUpdating variables ... \nXXX\n05\n" >&3; fi
-. ./var/global.var.sh
-. ./var/colors.var.sh
-
-### Updating Status of Dialog Gauge Bar
-if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nEnabling Bash Error Handling ... \nXXX\n15\n" >&3; fi
-### For all options see https://www.gnu.org/software/bash/manual/bash.html#The-Set-Builtin
-set -o errexit   # Exit script when a command exits with non-zero status, the same as "set -e".
-set -o errtrace  # Any traps on ERR are inherited in a subshell environment, the same as "set -E".
-set -o functrace # Any traps on DEBUG and RETURN are inherited in a subshell environment, the same as "set -T".
-set -o nounset   # Exit script on use of an undefined variable, the same as "set -u".
-set -o pipefail  # Makes pipelines return the exit status of the last command in the pipe that failed.
-set -o noclobber # Prevent overwriting, the same as "set -C".
-
-### Updating Status of Dialog Gauge Bar
-if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nAdditional initialization ... \nXXX\n25\n" >&3; fi
-### Initialization
-declare -gr ARGUMENTS_COUNT="$#"
-declare -gr ARG_STR_ORG_INPUT="$*"
-#declare -ar ARG_ARY_ORG_INPUT=("$@")
-# shellcheck disable=SC2155
-declare -grx SCRIPT_FULLPATH="$(readlink -f "${BASH_SOURCE[0]:-$0}")"
-# shellcheck disable=SC2155
-declare -grx SCRIPT_BASEPATH="$(dirname "${SCRIPT_FULLPATH}")"
-# shellcheck disable=SC2155
-declare -grx VAR_WORKDIR="$(dirname "${SCRIPT_FULLPATH}")"
-
-### Updating Status of Dialog Gauge Bar
-if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nSourcing Libraries ... \nXXX\n50\n" >&3; fi
   . ./lib/lib_arg_parser.sh
   . ./lib/lib_arg_priority_check.sh
+  . ./lib/lib_boot_screen.sh
   . ./lib/lib_cdi.sh
   . ./lib/lib_change_splash.sh
   . ./lib/lib_check_dhcp.sh
   . ./lib/lib_check_hooks.sh
   . ./lib/lib_check_kernel.sh
+  . ./lib/lib_check_pkgs.sh
   . ./lib/lib_check_provider.sh
   . ./lib/lib_check_stats.sh
   . ./lib/lib_check_var.sh
@@ -136,15 +95,55 @@ if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nSourcing Libraries ... \nXXX\n50\
   . ./lib/lib_trap_on_err.sh
   . ./lib/lib_trap_on_exit.sh
   . ./lib/lib_usage.sh
+}
+
+### ADVISORY LOCK
+exec 127>/var/lock/ciss_live_builder.lock || {
+  printf "\e[91m❌ Cannot open lockfile for writing! Bye... \e[0m\n" >&2
+  exit "${ERR_FLOCK_WRTG}"
+}
+
+if ! flock -x -n 127; then
+  printf "\e[91m❌ Another instance is running! Bye...\e[0m\n" >&2
+  exit "${ERR_FLOCK_COLL}"
+fi
+
+### VERY EARLY CHECK FOR AUTOBUILD MODE
+declare -gx VAR_HANDLER_AUTOBUILD="false"
+for arg in "$@"; do case "${arg,,}" in -a=*|--autobuild=*) declare -gx VAR_HANDLER_AUTOBUILD="true"; declare -gx VAR_KERNEL="${arg#*=}";; esac; done
+unset arg
+for dir in /usr/local/sbin /usr/sbin; do case ":${PATH}:" in *":${dir}:"*) ;; *) PATH="${PATH}:${dir}" ;; esac; done; export PATH; unset dir
+
+### CHECKING REQUIRED PACKAGES
+check_pkgs
+
+### DIALOG OUTPUT FOR INITIALIZATION
+if ! $VAR_HANDLER_AUTOBUILD; then boot_screen; fi
 
 ### Updating Status of Dialog Gauge Bar
-if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nActivate traps ... \nXXX\n55\n" >&3; fi
+if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nInitialization done ... \nXXX\n15\n" >&3; fi
+
+### Updating Status of Dialog Gauge Bar
+if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nAdditional initialization ... \nXXX\n30\n" >&3; fi
+### Initialization
+declare -gr ARGUMENTS_COUNT="$#"
+declare -gr ARG_STR_ORG_INPUT="$*"
+#declare -ar ARG_ARY_ORG_INPUT=("$@")
+# shellcheck disable=SC2155
+declare -grx SCRIPT_FULLPATH="$(readlink -f "${BASH_SOURCE[0]:-$0}")"
+# shellcheck disable=SC2155
+declare -grx SCRIPT_BASEPATH="$(dirname "${SCRIPT_FULLPATH}")"
+# shellcheck disable=SC2155
+declare -grx VAR_WORKDIR="$(dirname "${SCRIPT_FULLPATH}")"
+
+### Updating Status of Dialog Gauge Bar
+if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nActivate traps ... \nXXX\n50\n" >&3; fi
 ### Following the CISS Bash naming and ordering scheme
 trap 'trap_on_exit "$?"' EXIT
 trap 'trap_on_err "$?" "${BASH_SOURCE[0]}" "${LINENO}" "${FUNCNAME[0]:-main}" "${BASH_COMMAND}"' ERR
 
 ### Updating Status of Dialog Gauge Bar
-if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nSanitizing Arguments ... \nXXX\n70\n" >&3; fi
+if ! $VAR_HANDLER_AUTOBUILD; then printf "XXX\nSanitizing Arguments ... \nXXX\n75\n" >&3; fi
 arg_check "$@"
 declare -ar ARY_ARG_SANITIZED=("$@")
 declare -gr VAR_ARG_SANITIZED="${ARY_ARG_SANITIZED[*]}"

config/includes.chroot/etc/ssh/sshd_config

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 ### https://www.ssh-audit.com/
 ### ssh -Q cipher | cipher-auth | compression | kex | kex-gss | key | key-cert | key-plain | key-sig | mac | protocol-version | sig

config/includes.chroot/etc/sysctl.d/99_local.hardened

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.768.2025.06.17
+### Version Master V8.03.768.2025.06.18
 
 ### https://docs.kernel.org/
 ### https://github.com/a13xp0p0v/kernel-hardening-checker/

config/includes.chroot/preseed/.iso/preseed_hash_generator.sh

@@ -10,7 +10,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-declare -gr VERSION="Master V8.03.768.2025.06.17"
+declare -gr VERSION="Master V8.03.768.2025.06.18"
 
 ### VERY EARLY CHECK FOR DEBUGGING
 if [[ $* == *" --debug "* ]]; then

config/includes.chroot/preseed/preseed.cfg

@@ -112,4 +112,4 @@ d-i preseed/late_command string sh /preseed/.ash/3_di_preseed_late_command.sh
 
 # Please consider donating to my work at: https://coresecret.eu/spenden/
 ###########################################################################################
-# Written by: ./preseed_hash_generator.sh Version: Master V8.03.768.2025.06.17 at: 10:18:37.9542
+# Written by: ./preseed_hash_generator.sh Version: Master V8.03.768.2025.06.18 at: 10:18:37.9542

docs/AUDIT_DNSSEC.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. DNSSEC Status
 

docs/AUDIT_HAVEGED.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. Haveged Audit on Netcup RS 2000 G11
 

docs/AUDIT_LYNIS.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. Lynis Audit:
 

docs/AUDIT_SSH.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. SSH Audit by ssh-audit.com
 

docs/AUDIT_TLS.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. TLS Audit:
 

docs/CHANGELOG.md

@@ -8,10 +8,16 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. Changelog
 
+## V8.03.768.2025.06.18
+
+* Minor main script improvements.
+* Updated contact section.
+* Integrated third ``dns03.eddns.eu`` Centurion DNS Resolver.
+
 ## V8.03.768.2025.06.17
 
 * Updated LIVE ISO workflows to use Kernel: ``linux-image-6.12.30+bpo-amd64``

docs/CNET.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. Centurion Net - Developer Branch Overview
 

docs/CODING_CONVENTION.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. Coding Style
 

docs/CONTRIBUTING.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. Contributing / participating
 

docs/CREDITS.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. Credits
 

docs/DL_PUB_ISO.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. Download the latest PUBLIC CISS.debian.live.ISO
 

docs/DOCUMENTATION.md

@@ -8,20 +8,17 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
-# 2. Usage
+# 2.1. Usage
 ````text
 CISS.debian.live.builder
-Master V8.03.768.2025.06.17
+Master V8.03.768.2025.06.18
+A lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Image.
 
 (c) Marc S. Weidner, 2018 - 2025
 (p) Centurion Press, 2024 - 2025
 
-https://coresecret.eu/
-
-A lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Image.
-
 "./ciss_live_builder.sh <option>", where <option> is one or more of:
 
   --help, -h
@@ -30,7 +27,7 @@ A lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Ima
   --autobuild=*, -a=*
     Headless mode. Skip the dialog wrapper, provider note screen and interactive kernel
     selector dialog. Change '*' to your desired Linux kernel and trim the
-    'linux-image-' string to select a specific kernel, e.g. '--autobuild=6.12.22+bpo-amd64'.
+    'linux-image-' string to select a specific kernel, e.g. '--autobuild=6.12.30+bpo-amd64'.
 
   --architecture <STRING> one of <amd64 | arm64>
     A string reflecting the architecture of the Live System.
@@ -58,19 +55,20 @@ A lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Ima
 
   --debug
     Enables debug logging for the main program routine. Detailed logging
-    information are written to "/tmp/ciss_live_builder_3764286.log"
+    information are written to "/tmp/ciss_live_builder_274132.log"
 
   --dhcp-centurion
     If a DHCP lease is provided, the provider's nameserver will be overridden,
     and only the hardened, privacy-focused Centurion DNS servers will be used:
       - https://dns01.eddns.eu/
       - https://dns02.eddns.de/
+      - https://dns03.eddns.eu/
 
   --jump-host <IP | IP | ... >
     Provide up to 10 IPs for /etc/host.allow whitelisting of SSH access.
     Could be either IPv4 and / or IPv6 addresses and / or CCDIR notation.
     If provided, than it MUST be a <SPACE> separated list.
-    IPv6 addresses MUST be encapsulated with [], e.g., [1234::abcd/64].
+    IPv6 addresses MUST be encapsulated with [], e.g., [1234::abcd]/64.
 
   --log-statistics-only
     Provides statistic only after successful building a
@@ -80,23 +78,25 @@ A lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Ima
 
   --provider-netcup-ipv6
     Activates IPv6 support for Netcup Root Server. One unique
-    IPv6 address MUST be provided in this case.
+    IPv6 address MUST be provided in this case and MUST be encapsulated
+    with [], e.g., [1234::abcd].
 
   --renice-priority <PRIORITY>
     Reset the nice priority value of the script and all its children
-    to the desired PRIORITY. MUST be an integer (between "-19" and 19).
+    to the desired <PRIORITY>. MUST be an integer (between "-19" and 19).
     Negative (higher) values MUST be enclosed in double quotes '"'.
 
   --reionice-priority <CLASS> <PRIORITY>
     Reset the ionice priority value of the script and all its children
-    to the desired CLASS. MUST be an integer:
+    to the desired <CLASS>. MUST be an integer:
       1: realtime
       2: best-effort
       3: idle
-    defaults to "2".
+    Defaults to '2'.
-    PRIORITY MUST be an integer:
+    Whereas <PRIORITY> MUST be an integer as well between:
-    between 0 (highest) and 7 (lowest) priority.
+      0: highest priority and
-    defaults to "4".
+      7: lowest priority.
+    Defaults to '4'.
     A real-time I/O process can significantly slow down other processes
     or even cause them to starve if it continuously requests I/O.
 
@@ -107,9 +107,9 @@ A lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Ima
     the local console. The root password is hashed with an 16 Byte '/dev/random'
     generated SALT and SHA512 Hashing function and 8,388,608 rounds. Immediately
     after Hash generation all Variables containing plain password fragments are
-    deleted. Password file SHOULD be 0400 and root:root and is deleted without
+    deleted. Password file SHOULD be '0400' and 'root:root' and is deleted without
     further prompt after password hash has been successfully generated via:
-    shred -vfzu 5 -f.
+    'shred -vfzu 5 -f'.
     No tracing of any plain text password fragment in any debug log.
 
   --ssh-port <INTEGER>
@@ -123,14 +123,30 @@ A lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Ima
   --version, -v
     Displays version of ./ciss_live_builder.sh.
 
-NOTES:
+💡 Notes:
-  - You MUST be root to run this script.
+🔵 You MUST be 'root' to run this script.
 
-Contact:
+💷 Please consider donating to my work at:
-  - https://coresecret.eu/
+🌐 https://coresecret.eu/spenden/
-  - security@coresecret.eu
+````
-    - PGP Key 2D98 07F4 1030 1776 597E BDC9 9F54 8853 35A3 C9AD
+
-      - https://keys.openpgp.org/vks/v1/by-fingerprint/2D9807F410301776597EBDC99F54885335A3C9AD
+# 2.2. Contact
+````text
+CISS.debian.live.builder
+Master V8.03.768.2025.06.18
+A lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Image.
+
+(c) Marc S. Weidner, 2018 - 2025
+(p) Centurion Press, 2024 - 2025
+
+💬 Contact:
+🌐 https://coresecret.eu/
+📧 security@coresecret.eu
+🔑 PGP Key 2D98 07F4 1030 1776 597E BDC9 9F54 8853 35A3 C9AD
+🔗 https://keys.openpgp.org/vks/v1/by-fingerprint/2D9807F410301776597EBDC99F54885335A3C9AD
+
+💷 Please consider donating to my work at:
+🌐 https://coresecret.eu/spenden/
 ````
 
 # 3. Booting

docs/LICENSES/CCLA-1.0.html

@@ -1,53 +0,0 @@
-<h1 id="spdx-license-identifier-licenseref-ccla-10">SPDX-License-Identifier: LicenseRef-CCLA-1.0</h1>
-<h1 id="centurion-commercial-license-agreement-10">Centurion Commercial License Agreement 1.0</h1>
-<h2 id="1-general-terms"><strong>1. General Terms</strong></h2>
-<p>1.1. This Subscription License Agreement ("Agreement") governs the commercial use of the Software ("Software").</p>
-<p>1.2. Private and open-source usage of the Software remains governed by the EUPL-1.2 license.</p>
-<p>1.3. By purchasing and using the Software under this Agreement, you ("Licensee") agree to the terms outlined below.</p>
-<p>1.4. Only the English version of this Agreement shall be legally binding. Translations are provided for convenience only.</p>
-<h2 id="2-grant-of-license"><strong>2. Grant of License</strong></h2>
-<p>2.1. Subject-to-payment of applicable subscription fees, Licensor grants Licensee a</p>
-<ul>
-<li>non-exclusive,</li>
-<li>non-transferable,</li>
-<li>time-limited,</li>
-</ul>
-<p>right to use the Software for commercial purposes.</p>
-<p>2.2. This license is valid only for the duration of the subscription period and under the scope defined in this Agreement.</p>
-<h2 id="3-subscription-fees-and-payment"><strong>3. Subscription Fees and Payment</strong></h2>
-<p>3.1. Licensee agrees to pay the subscription fees as specified in the pricing agreement. These fees are non-refundable.</p>
-<p>3.2. Licensor reserves the right to modify subscription fees upon 30 days' written notice.</p>
-<h2 id="4-restrictions"><strong>4. Restrictions</strong></h2>
-<p>4.1. Licensee shall not:</p>
-<ul>
-<li>Distribute, sublicense, or resell the Software.</li>
-<li>Reverse engineer, decompile, or modify the Software, except as permitted by mandatory law.</li>
-</ul>
-<p>4.2. The Software may not be used for illegal or unethical purposes.</p>
-<h2 id="5-support-and-updates"><strong>5. Support and Updates</strong></h2>
-<p>5.1. Licensor will provide updates and support for the Software during the subscription period, as detailed in the accompanying support agreement.</p>
-<p>5.2. Support services may include bug fixes, patches, and minor updates. Major updates may incur additional fees.</p>
-<h2 id="6-termination"><strong>6. Termination</strong></h2>
-<p>6.1. This Agreement is valid for the subscription term unless terminated earlier:</p>
-<ul>
-<li>By Licensee, with a 30-day written notice.</li>
-<li>By Licensor, in the event of Licensees breach of this Agreement.</li>
-</ul>
-<p>6.2. Upon termination, Licensee must cease all uses of the Software and delete all copies.</p>
-<h2 id="7-liability-and-warranty"><strong>7. Liability and Warranty</strong></h2>
-<p>7.1. The Software is provided "as is" without warranties of any kind, except as required by law.</p>
-<p>7.2. Licensors' liability is limited to the number of subscription fees paid by Licensee in the preceding 12 months.</p>
-<h2 id="8-governing-law"><strong>8. Governing Law</strong></h2>
-<p>8.1. This Agreement shall be governed by the laws of Portugal.</p>
-<p>8.2. Disputes arising under this Agreement shall be subject to the exclusive jurisdiction of the courts of Portugal.</p>
-<h2 id="9-miscellaneous"><strong>9. Miscellaneous</strong></h2>
-<p>9.1. Any changes to this Agreement must be in writing and signed by both parties.</p>
-<p>9.2. If any provision of this Agreement is found invalid, the remaining provisions shall remain enforceable.</p>
-<h2 id="10-contact-information">10. <strong>Contact Information</strong></h2>
-<ul>
-<li>Licensor : Centurion Intelligence Consulting Agency</li>
-<li>Email : <a href="mailto:legal@coresecret.eu">legal@coresecret.eu</a></li>
-</ul>
-<hr />
-<p>This Subscription License Agreement was last updated at 09.05.2025.</p>
-

docs/REFERENCES.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.768.2025.06.17<br>
+**Build**: V8.03.768.2025.06.18<br>
 
 # 2. Resources
 

lib/lib_arg_parser.sh

@@ -100,7 +100,7 @@ arg_parser() {
             printf "\e[91m❌ Error: --architecture MUST be 'amd64' or 'arm64'.\e[0m\n" >&2
             # shellcheck disable=SC2162
             read -p  $'\e[92m✅ Press \'ENTER\' to exit the script ... \e[0m'
-            exit "${ERR_UNCRITICAL}"
+            exit "${ERR_ARG_MSMTCH}"
           fi
           ;;
 

lib/lib_boot_screen.sh

@@ -11,7 +11,7 @@
 # SPDX-Security-Contact: security@coresecret.eu
 
 #######################################
-# Change Grub Boot Screen Splash
+# Set up a gauge Dialog Wrapper.
 # Globals:
 #   PID_BOOT_SCREEN
 #   PIPE_BOOT_SCREEN

lib/lib_check_kernel.sh

@@ -52,7 +52,7 @@ check_kernel() {
     done < "${VAR_KERNEL_SRT}"
 
   # shellcheck disable=SC2155
-  if declare -g VAR_KERNEL=$(dialog \
+  if declare -gx VAR_KERNEL=$(dialog \
                           --no-collapse \
                           --ascii-lines \
                           --clear \
@@ -63,9 +63,9 @@ check_kernel() {
   else
     clear
     if [[ "${VAR_ARCHITECTURE}" == "amd64" ]]; then
-      declare -gr VAR_KERNEL="amd64"
+      declare -gx VAR_KERNEL="amd64"
     elif [[ "${VAR_ARCHITECTURE}" == "arm64" ]]; then
-      declare -gr VAR_KERNEL="arm64"
+      declare -gx VAR_KERNEL="arm64"
     fi
   fi
 }

lib/lib_check_pkgs.sh

@@ -17,27 +17,28 @@
 #######################################
 check_pkgs() {
   apt-get update -y
+
   if [[ -z "$(command -v lsb_release || true)" ]]; then
-    apt-get install --no-install-recommends lsb-release -y
+    apt-get install -y --no-install-recommends lsb-release
   fi
 
   if [[ -z "$(command -v debootstrap || true)" ]]; then
     if grep -RqsE '^[[:space:]]*deb .*backports' /etc/apt/sources.list /etc/apt/sources.list.d; then
       # shellcheck disable=SC2155
       declare codename=$(lsb_release -sc)
-      apt-get -t "${codename}-backports" install debootstrap -y
+      apt-get install -y -t "${codename}-backports" debootstrap
     else
-      apt-get install debootstrap -y
+      apt-get install -y debootstrap
     fi
   fi
 
   if [[ ! -f /usr/share/live/build/VERSION ]]; then
-    apt-get install live-build -y
+    apt-get install -y live-build
   fi
 
+  if [[ "${VAR_HANDLER_AUTOBUILD}" == false ]]; then
     if [[ -z "$(command -v dialog || true)" ]]; then
-    if ! $VAR_HANDLER_AUTOBUILD; then
+      apt-get install -y --no-install-recommends dialog
-      apt-get install --no-install-recommends dialog -y;
     fi
   fi
 

lib/lib_check_provider.sh

@@ -18,7 +18,7 @@
 check_provider() {
   clear
   cat << 'EOF' >| "${VAR_NOTES}"
-Build: Master V8.03.768.2025.06.17
+Build: Master V8.03.768.2025.06.18
 
 Press 'EXIT' to continue with CISS.debian.live.builder.
 

lib/lib_contact.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.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.live.builder
+# SPDX-Security-Contact: security@coresecret.eu
+
+#######################################
+# Contact Wrapper CISS.debian.live.builder
+# Globals:
+#   none
+# Arguments:
+#   none
+#######################################
+contact() {
+  clear
+  cat << EOF
+$(echo -e "\e[92mCISS.debian.live.builder\e[0m")
+$(echo -e "\e[92mMaster V8.03.768.2025.06.18\e[0m")
+$(echo -e "\e[92mA lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Image.\e[0m")
+
+$(echo -e "\e[97m(c) Marc S. Weidner, 2018 - 2025\e[0m")
+$(echo -e "\e[97m(p) Centurion Press, 2024 - 2025\e[0m")
+
+$(echo -e "\e[95m💬 Contact:\e[0m")
+$(echo -e "\e[95m🌐 https://coresecret.eu/ \e[0m")
+$(echo -e "\e[95m📧 security@coresecret.eu \e[0m")
+$(echo -e "\e[95m🔑 PGP Key 2D98 07F4 1030 1776 597E BDC9 9F54 8853 35A3 C9AD \e[0m")
+$(echo -e "\e[95m🔗 https://keys.openpgp.org/vks/v1/by-fingerprint/2D9807F410301776597EBDC99F54885335A3C9AD \e[0m")
+
+$(echo -e "\e[95m💷 Please consider donating to my work at:\e[0m")
+$(echo -e "\e[95m🌐 https://coresecret.eu/spenden/         \e[0m")
+
+EOF
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh

lib/lib_debug.sh

@@ -34,7 +34,7 @@ debugger() {
       declare -p "${var}" 2>/dev/null
     done < <(compgen -v | grep -Ev '^(BASH|_).*')
   } | sort >| "${VAR_DUMP_VARS_INITIAL}"
-  declare -grx VAR_EARLY_DEBUG=true
+  declare -gx VAR_EARLY_DEBUG=true
   ### Set a verbose PS4 prompt including timestamp, source, line, exit status, and function name
   declare -grx PS4='\e[97m+\e[0m\e[96m$(date +%T.%4N)\e[0m\e[97m:\e[0m\e[92m[${BASH_SOURCE[0]}:${LINENO}]\e[0m\e[97m|\e[0m\e[93m${?}\e[0m\e[97m>\e[0m\e[95m${FUNCNAME[0]:-main}()\e[0m \e[97m>>\e[0m '
   # shellcheck disable=SC2155
@@ -44,12 +44,6 @@ debugger() {
   ### Open file descriptor 42 for writing to the debug log
   exec 42>| "${LOG_DEBUG}"
   ### Write Debug Log Header https://www.gnu.org/software/bash/manual/html_node/Bash-Variables
-    ### Determine the directory of this script, even if sourced.
-    # shellcheck disable=SC2155
-    declare script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-    ### Source the header from the same directory. This ensures we always load lib/lib_debug_header.sh correctly.
-    . "${script_dir}/lib_debug_header.sh"
-  # shellcheck disable=SC2119
   debug_header "$#" "$*"
   ### Tell Bash to send xtrace output to FD 42
   export BASH_XTRACEFD=42

lib/lib_usage.sh

@@ -13,24 +13,20 @@
 #######################################
 # Usage Wrapper CISS.debian.live.builder
 # Globals:
-#   ERR_UNCRITICAL
+#   none
 # Arguments:
 #   $0: Script name
 #######################################
 usage() {
   clear
   cat << EOF
-
 $(echo -e "\e[92mCISS.debian.live.builder\e[0m")
-$(echo -e "\e[92mMaster V8.03.768.2025.06.17\e[0m")
+$(echo -e "\e[92mMaster V8.03.768.2025.06.18\e[0m")
+$(echo -e "\e[92mA lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Image.\e[0m")
 
 $(echo -e "\e[97m(c) Marc S. Weidner, 2018 - 2025\e[0m")
 $(echo -e "\e[97m(p) Centurion Press, 2024 - 2025\e[0m")
 
-$(echo -e "\e[95mhttps://coresecret.eu/\e[0m")
-
-$(echo -e "\e[97mA lightweight Shell Wrapper for building a hardened Debian Bookworm Live ISO Image.\e[0m")
-
 "${0} <option>", where <option> is one or more of:
 
   --help, -h
@@ -39,7 +35,7 @@ $(echo -e "\e[97mA lightweight Shell Wrapper for building a hardened Debian Book
   --autobuild=*, -a=*
     Headless mode. Skip the dialog wrapper, provider note screen and interactive kernel
     selector dialog. Change '*' to your desired Linux kernel and trim the
-    'linux-image-' string to select a specific kernel, e.g. '--autobuild=6.12.22+bpo-amd64'.
+    'linux-image-' string to select a specific kernel, e.g. '--autobuild=6.12.30+bpo-amd64'.
 
   --architecture <STRING> one of <amd64 | arm64>
     A string reflecting the architecture of the Live System.
@@ -74,12 +70,13 @@ $(echo -e "\e[97mA lightweight Shell Wrapper for building a hardened Debian Book
     and only the hardened, privacy-focused Centurion DNS servers will be used:
       - https://dns01.eddns.eu/
       - https://dns02.eddns.de/
+      - https://dns03.eddns.eu/
 
   --jump-host <IP | IP | ... >
     Provide up to 10 IPs for /etc/host.allow whitelisting of SSH access.
     Could be either IPv4 and / or IPv6 addresses and / or CCDIR notation.
     If provided, than it MUST be a <SPACE> separated list.
-    IPv6 addresses MUST be encapsulated with [], e.g., [1234::abcd/64].
+    IPv6 addresses MUST be encapsulated with [], e.g., [1234::abcd]/64.
 
   --log-statistics-only
     Provides statistic only after successful building a
@@ -89,23 +86,25 @@ $(echo -e "\e[97mA lightweight Shell Wrapper for building a hardened Debian Book
 
   --provider-netcup-ipv6
     Activates IPv6 support for Netcup Root Server. One unique
-    IPv6 address MUST be provided in this case.
+    IPv6 address MUST be provided in this case and MUST be encapsulated
+    with [], e.g., [1234::abcd].
 
   --renice-priority <PRIORITY>
     Reset the nice priority value of the script and all its children
-    to the desired PRIORITY. MUST be an integer (between "-19" and 19).
+    to the desired <PRIORITY>. MUST be an integer (between "-19" and 19).
     Negative (higher) values MUST be enclosed in double quotes '"'.
 
   --reionice-priority <CLASS> <PRIORITY>
     Reset the ionice priority value of the script and all its children
-    to the desired CLASS. MUST be an integer:
+    to the desired <CLASS>. MUST be an integer:
       1: realtime
       2: best-effort
       3: idle
-    defaults to "2".
+    Defaults to '2'.
-    PRIORITY MUST be an integer:
+    Whereas <PRIORITY> MUST be an integer as well between:
-    between 0 (highest) and 7 (lowest) priority.
+      0: highest priority and
-    defaults to "4".
+      7: lowest priority.
+    Defaults to '4'.
     A real-time I/O process can significantly slow down other processes
     or even cause them to starve if it continuously requests I/O.
 
@@ -116,9 +115,9 @@ $(echo -e "\e[97mA lightweight Shell Wrapper for building a hardened Debian Book
     the local console. The root password is hashed with an 16 Byte '/dev/random'
     generated SALT and SHA512 Hashing function and 8,388,608 rounds. Immediately
     after Hash generation all Variables containing plain password fragments are
-    deleted. Password file SHOULD be 0400 and root:root and is deleted without
+    deleted. Password file SHOULD be '0400' and 'root:root' and is deleted without
     further prompt after password hash has been successfully generated via:
-    shred -vfzu 5 -f.
+    'shred -vfzu 5 -f'.
     No tracing of any plain text password fragment in any debug log.
 
   --ssh-port <INTEGER>
@@ -132,14 +131,11 @@ $(echo -e "\e[97mA lightweight Shell Wrapper for building a hardened Debian Book
   --version, -v
     Displays version of ${0}.
 
-$(echo -e "\e[93mNOTES:\e[0m")
+$(echo -e "\e[93m💡 Notes:\e[0m")
-  - You MUST be 'root' to run this script.
+🔵 You MUST be 'root' to run this script.
 
-$(echo -e "\e[92mContact:\e[0m")
+$(echo -e "\e[95m💷 Please consider donating to my work at:\e[0m")
-$(echo -e "\e[95m  - https://coresecret.eu/ \e[0m")
+$(echo -e "\e[95m🌐 https://coresecret.eu/spenden/         \e[0m")
-$(echo -e "\e[95m  - security@coresecret.eu \e[0m")
-$(echo -e "\e[95m    - PGP Key 2D98 07F4 1030 1776 597E BDC9 9F54 8853 35A3 C9AD \e[0m")
-$(echo -e "\e[95m      - https://keys.openpgp.org/vks/v1/by-fingerprint/2D9807F410301776597EBDC99F54885335A3C9AD \e[0m")
 
 EOF
 }

scripts/0010_dhcp_supersede.sh

@@ -21,9 +21,9 @@ fi
 cat << 'EOF' >| "${VAR_HANDLER_BUILD_DIR}"/config/includes.chroot/etc/dhcp/dhclient.conf
 
 # Custom dhclient config to override DHCP DNS
-# dns01.eddns.eu, dns02.eddns.de;
+# dns01.eddns.eu, dns02.eddns.de; dns03.eddns.eu;
 
-supersede domain-name-servers 135.181.207.105, 89.58.62.53;
+supersede domain-name-servers 135.181.207.105, 89.58.62.53; 138.199.237.109;
 
 EOF
 

scripts/9000-cdi-starter

@@ -15,7 +15,7 @@ printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 '%s' starting ... \e[0m\n" "
 # sleep 1
 
 [[ ! -d /root/.cdi/log ]] && mkdir -p /root/.cdi/log
-printf "CISS.debian.installer Master V8.03.768.2025.06.17 is up!" >| /root/.cdi/log/boot_finished_"$(date +"%Y-%m-%d_%H-%M-%S")".log
+printf "CISS.debian.installer Master V8.03.768.2025.06.18 is up!" >| /root/.cdi/log/boot_finished_"$(date +"%Y-%m-%d_%H-%M-%S")".log
 
 if [[ -f /root/git/CISS.debian.installer/ciss_debian_installer.sh ]]; then
   chmod 0700 /root/git/CISS.debian.installer/ciss_debian_installer.sh

var/bash.var.sh

@@ -0,0 +1,21 @@
+#!/bin/bash
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.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.live.builder
+# SPDX-Security-Contact: security@coresecret.eu
+
+### For all options see https://www.gnu.org/software/bash/manual/bash.html#The-Set-Builtin
+set -o errexit   # Exit script when a command exits with non-zero status, the same as "set -e".
+set -o errtrace  # Any traps on ERR are inherited in a subshell environment, the same as "set -E".
+set -o functrace # Any traps on DEBUG and RETURN are inherited in a subshell environment, the same as "set -T".
+set -o nounset   # Exit script on use of an undefined variable, the same as "set -u".
+set -o pipefail  # Makes pipelines return the exit status of the last command in the pipe that failed.
+set -o noclobber # Prevent overwriting, the same as "set -C".
+
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh

var/color.var.sh

@@ -10,7 +10,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-declare -grx C_BLA='\e[90m' # For the techno fans.
+declare -grx C_BLA='\e[90m' # Beautiful black For the techno fans.
 declare -grx C_RED='\e[91m' # Bright red.
 declare -grx C_GRE='\e[92m' # Vibrant green.
 declare -grx C_YEL='\e[93m' # Fancy yellow