V8.00.000.2025.06.17

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

func/system/4020_configure_system.sh

@@ -0,0 +1,58 @@
+#!/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 target system for chroot.
+# Globals:
+#   ERR_CHRT_MOUNTS
+#   TARGET
+# Arguments:
+#   None
+# Returns:
+#   ERR_CHRT_MOUNTS
+#   0: on success
+#######################################
+configure_system() {
+
+  ### Notes
+  # --rbind: recursive binding.
+  # --make-rslave: In this case, the mount point is marked as 'slave'.
+  # This means changes to the source mount (e.g., /proc) are propagated to the target mount (e.g., "${TARGET}"/proc).
+  # Conversely, changes to the target mount are not propagated back to the source mount.
+  # This mode is necessary to avoid problems with double or erroneous propagation effects in chroot or container environments.
+
+  declare var_src var_dst
+  declare -a ary_mounts=(proc sys dev run)
+
+  for var_src in "${ary_mounts[@]}"; do
+    var_dst="${TARGET}/${var_src}"
+    mkdir -p "${var_dst}"
+
+    if ! mount --make-rslave --rbind "/${var_src}" "${var_dst}"; then
+      do_log "emergency"  "false"  "Failed: 'mount --make-rslave --rbind /${var_src} ${var_dst}'."
+      return "${ERR_CHRT_MOUNTS}"
+    fi
+
+    do_log "info"  "true"  "Success: 'mount --make-rslave --rbind /${var_src} ${var_dst}'."
+
+  done
+
+  if ! do_in_target "${TARGET}" mkdir -p /etc/systemd/system/multi-user.target.wants; then
+    return "${ERR_CHRT_MOUNTS}"
+  fi
+
+  do_log "info" "true" "Command: 'mkdir -p /etc/systemd/system/multi-user.target.wants' executed in: '${TARGET}'."
+  return 0
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh