V8.00.000.2025.06.17

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

func/helper/1082_helper_modules.sh

@@ -0,0 +1,49 @@
+#!/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
+
+#######################################
+# Helper Module to generate a Subnet Mask out of an IP in CCDIR Notation.
+# Arguments:
+#   1: IPv4 in CCDIR Notation, e.g.,: 192.168.128.128/24
+# Returns:
+#   0: on success
+#######################################
+generate_subnetmask() {
+  declare var_arg="$1"
+  declare var_prefix="${var_arg#*/}"
+  declare var_mask_int=""
+  declare var_has_ipv4_subnet=""
+  var_mask_int=$((0xFFFFFFFF << (32 - var_prefix) & 0xFFFFFFFF))
+  var_has_ipv4_subnet=$(printf "%d.%d.%d.%d" \
+    $(((var_mask_int >> 24) & 0xFF)) \
+    $(((var_mask_int >> 16) & 0xFF)) \
+    $(((var_mask_int >> 8) & 0xFF)) \
+    $((var_mask_int & 0xFF)))
+  printf '%s' "${var_has_ipv4_subnet}"
+  return 0
+}
+
+#######################################
+# Helper module for update, full dist-upgrade, autoclean, autopurge and autoremove.
+# Arguments:
+#   None
+#######################################
+update_upgrade() {
+  apt-get update -y
+  apt-get dist-upgrade -y
+  apt-get autoclean -y
+  apt-get autopurge -y
+  apt-get autoremove -y
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh