V8.00.000.2025.06.17

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

func/cdi_4000_debootstrap/4035_setup_resolv.sh

@@ -0,0 +1,105 @@
+#!/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
+
+guard_sourcing
+
+#######################################
+# Configure the '/etc/resolv.conf' file.
+# Globals:
+#   ARY_IPV4_NS
+#   ARY_IPV6_NS
+#   DIR_BAK
+#   TARGET
+#   VAR_ARCHITECTURE
+#   VAR_CODENAME
+#   VAR_FINAL_IPV6
+#   VAR_LINK_IPV6
+#   VAR_VERSION
+# Arguments:
+#   None
+# Returns:
+#   0: on success
+#######################################
+setup_resolv() {
+  ### Declare Arrays, HashMaps, and Variables.
+  declare     ns=""
+
+  if [[ -f "${TARGET}/etc/resolv.conf" ]]; then
+
+    mkdir -p "${DIR_BAK}/etc"
+    mv "${TARGET}/etc/resolv.conf" "${DIR_BAK}/etc/resolv.conf.bak"
+    do_log "info" "file_only" "4035() Existing '${TARGET}/etc/resolv.conf' moved."
+
+  fi
+
+  touch "${TARGET}/etc/resolv.conf"
+  chmod 0644 "${TARGET}/etc/resolv.conf"
+
+  ### Create '/etc/resolv.conf' IPv4 entries for static configuration.
+    cat << EOF >> "${TARGET}/etc/resolv.conf"
+# 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
+
+# /etc/resolv.conf      : Generated by CISS.debian.installer ${VAR_VERSION}
+# Architecture          : ${VAR_ARCHITECTURE}
+# Distribution          : ${VAR_CODENAME}
+
+# Static file system information '/etc/resolv.conf '.
+
+### Custom DNS IPv4 configuration
+EOF
+
+  for ns in "${ARY_IPV4_NS[@]}"; do
+
+    echo "nameserver ${ns}" >> "${TARGET}/etc/resolv.conf"
+    do_log "info" "file_only" "4035() IPv4 nameserver added: [${ns}]."
+
+  done
+
+  echo "" >> "${TARGET}/etc/resolv.conf"
+  do_log "info" "file_only" "4035() IPv4 nameserver at: '${TARGET}/etc/resolv.conf' configured."
+
+
+  ### Create '/etc/resolv.conf' IPv6 entries for static configuration.
+  if [[ "${VAR_LINK_IPV6,,}" == "true" || -n "${VAR_FINAL_IPV6}" ]]; then
+
+    cat << EOF >> "${TARGET}/etc/resolv.conf"
+### Custom DNS IPv6 configuration
+EOF
+
+    for ns in "${ARY_IPV6_NS[@]}"; do
+
+      echo "nameserver ${ns}" >> "${TARGET}/etc/resolv.conf"
+      do_log "info" "file_only" "4035() IPv6 nameserver added: [${ns}]."
+
+    done
+
+    echo "" >> "${TARGET}/etc/resolv.conf"
+    do_log "info" "file_only" "4035() IPv6 nameserver at: '${TARGET}/etc/resolv.conf' configured."
+
+  fi
+
+  cat << EOF >> "${TARGET}/etc/resolv.conf"
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh
+EOF
+
+  return 0
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh