V8.13.408.2025.11.13

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

lib/lib_ciss_signatures.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-11-12; 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
+
+guard_sourcing || return "${ERR_GUARD_SRCE}"
+
+#######################################
+# MUST be executed before 'ciss_upgrades_boot()'.
+# Module to export GPG FPRs into scripts:
+#  - /etc/initramfs-tools/files/unlock_wrapper.sh
+#  - /usr/lib/live/boot/0030-ciss-verify-checksums
+#  - /usr/lib/live/boot/0042-ciss-post-decrypt-attest
+# Globals:
+#   BASH_SOURCE
+#   VAR_HANDLER_BUILD_DIR
+#   VAR_SIGNING_CA
+#   VAR_SIGNING_CA_FPR
+#   VAR_SIGNING_KEY_FPR
+# Arguments:
+#   None
+# Returns:
+#   0: on success
+#######################################
+ciss_signatures() {
+  printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 %s starting ... \e[0m\n" "${BASH_SOURCE[0]}"
+
+  declare -ar _ary_target=(
+    "/etc/initramfs-tools/files/unlock_wrapper.sh"
+    "/usr/lib/live/boot/0030-ciss-verify-checksums"
+    "/usr/lib/live/boot/0042-ciss-post-decrypt-attest"
+    )
+
+  declare _target="" target=""
+
+  for _target in "${_ary_target[@]}"; do
+
+    declare target="${VAR_HANDLER_BUILD_DIR}/config/includes.chroot/${_target}"
+
+    sed -i -e "s|@EXP_FPR@|${VAR_SIGNING_KEY_FPR}|g" "${target}"
+
+    if [[ -n "${VAR_SIGNING_CA}" ]]; then
+
+      sed -i -e "s|@EXP_CA_FPR@|${VAR_SIGNING_CA_FPR}|g" "${target}"
+
+    else
+
+      sed -i -e '/@EXP_CA_FPR@/d' "${target}"
+
+    fi
+
+  done
+
+  printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ %s successfully applied. \e[0m\n" "${BASH_SOURCE[0]}"
+
+  return 0
+}
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f ciss_signatures
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh