V8.00.000.2025.06.17

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

func/cdi_1250_yaml/1250_yaml_parser.sh

@@ -0,0 +1,78 @@
+#!/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
+
+#######################################
+# Parsing './.preseed/preseed.yaml' and './.preseed/partitioning.yaml'.
+# Globals:
+#   ARY_BOOTPARAM
+#   ARY_NTPSRVR
+#   ARY_PACKAGES
+#   BASH_REMATCH
+#   DIR_CNF
+#   DIR_TMP
+#   VAR_PRESEED
+#   VAR_USER_MAX
+# Arguments:
+#   None
+# Returns:
+#   0: on success
+#######################################
+yaml_parser() {
+  ### Declare Arrays, HashMaps, and Variables.
+  # shellcheck disable=SC2034
+  declare -ag  ARY_BOOTPARAM=() ARY_NTPSRVR=() ARY_PACKAGES=()
+  declare -gix VAR_USER_MAX=0
+  declare      var_index="" var_key="" var_value=""
+
+  cat "${DIR_CNF}/preseed.yaml" "${DIR_CNF}/partitioning.yaml" >| "${DIR_TMP}/combined.yaml"
+
+  yq -o=shell "${DIR_TMP}/combined.yaml" >| "${VAR_PRESEED}"
+
+  ### Generate Arrays for [Grub Parameter], [NTPSec Server FQDN], [Software Packages].
+  while IFS='=' read -r var_key var_value; do
+    var_value=${var_value#\'}
+    var_value=${var_value%\'}
+    # shellcheck disable=SC2034
+    case "${var_key}" in
+      grub_parameter_[0-9]*) ARY_BOOTPARAM+=("${var_value}") ;;
+      ntp_server_[0-9]*)     ARY_NTPSRVR+=("${var_value}") ;;
+      software_[0-9]*)       ARY_PACKAGES+=("${var_value}") ;;
+    esac
+  done < "${VAR_PRESEED}"
+
+  ### Search all set variables for user_userN_name patterns.
+  # shellcheck disable=SC2312
+  while IFS='=' read -r var_index; do
+    if [[ "${var_index}" =~ ^user_user([0-9]+)_name$ ]]; then
+      var_index="${BASH_REMATCH[1]}"
+      (( var_index > VAR_USER_MAX )) && VAR_USER_MAX="${var_index}"
+    fi
+  done < <(compgen -v)
+
+  ### Delete the respective 'key:value'-variables in the global variable set.
+  sed -i '/^grub_parameter_[0-9]\+=/d' "${VAR_PRESEED}"
+  sed -i '/^ntp_server_[0-9]\+=/d' "${VAR_PRESEED}"
+  sed -i '/^software_[0-9]\+=/d' "${VAR_PRESEED}"
+
+  ### Substitute all key= by key=""
+  sed -i -E 's/^(.*)=\s*$/\1=""/' "${VAR_PRESEED}"
+  ### Wrap each key=value by '' e.g., key='value'
+  sed -i -E "s/^(.*)=([^'\"]+)$/\1='\2'/" "${VAR_PRESEED}"
+
+  # shellcheck disable=SC1090
+  . "${VAR_PRESEED}"
+
+  return 0
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh