V8.13.384.2025.11.06

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

lib/lib_primordial.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-11-06; 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
+
+#######################################
+# Integrate primordial SSH identity files.
+# Globals:
+#   BASH_SOURCE
+#   VAR_HANDLER_BUILD_DIR
+#   VAR_SSHFP
+#   VAR_TMP_SECRET
+# Arguments:
+#   None
+# Returns:
+#   0: on success
+#######################################
+init_primordial() {
+  printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 %s starting ... \e[0m\n" "${BASH_SOURCE[0]}"
+
+  if [[ ! "${VAR_SSHFP,,}" == "true" ]]; then
+
+    if compgen -G "${VAR_TMP_SECRET}/id*" > /dev/null; then
+
+      shred -fzu -n 5 -- "${VAR_TMP_SECRET}/id"*
+
+    fi
+
+    if compgen -G "${VAR_TMP_SECRET}/ssh_host_*" > /dev/null; then
+
+      shred -fzu -n 5 -- "${VAR_TMP_SECRET}/ssh_host_"*
+
+    fi
+
+  else
+
+    install -d -m 0700 "${VAR_HANDLER_BUILD_DIR}/config/includes.chroot/root/.ssh"
+    install -m 0600 "${VAR_TMP_SECRET}/id"* "${VAR_HANDLER_BUILD_DIR}/config/includes.chroot/root/.ssh/"
+    shred -fzu -n 5 -- "${VAR_TMP_SECRET}/id"* 2>/dev/null || rm -f "${VAR_TMP_SECRET}/id"*
+
+    install -d -m 0700 "${VAR_HANDLER_BUILD_DIR}/config/includes.chroot/root/ssh"
+    install -m 0600 "${VAR_TMP_SECRET}/ssh_host_"* "${VAR_HANDLER_BUILD_DIR}/config/includes.chroot/root/ssh/"
+    shred -fzu -n 5 -- "${VAR_TMP_SECRET}/ssh_host_"* 2>/dev/null || rm -f "${VAR_TMP_SECRET}/ssh_host_"*
+
+  fi
+
+  printf "\e[92m++++ ++++ ++++ ++++ ++++ ++++ ++ ✅ %s successfully applied. \e[0m\n" "${BASH_SOURCE[0]}"
+
+  return 0
+}
+### Prevents accidental 'unset -f'.
+# shellcheck disable=SC2034
+readonly -f init_primordial
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh