V8.00.000.2025.06.17

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

.preseed/partitioning.yaml

@@ -35,7 +35,7 @@ recipe:
       luks_backup: true        # Specify if LUKS Header backups should be created. If so, provide an external backup URL:
                                # luks_backup_url: "https://cloud.e2ee.li/" or leave empty for local backup.
                                # Also provide the cloud access token and access passwords via
-                               # ./.preseed/password_luks_backup.txt. Yet Nextcloud only is supported.
+                               # ./.preseed/SECRETS.yaml. Yet Nextcloud only is supported.
       luks_backup_url: "https://cloud.e2ee.li/"
       luks_backup_pgp: "ciss"  # Specify the trigger for use of the LUKS Header backup encryption key.
                                # Allowed values are: 'ciss', and 'physnet'. MUST be provided.

.preseed/password_luks_backup.txt

@@ -1 +0,0 @@
-SJF3kOdvm0o9xwT:VdmXE^2w^VTFJeJPdHkd7qNwQVf^7SDmcyZKjcfadS

.preseed/password_luks_boot.txt

@@ -1 +0,0 @@
-Ceterum_censeo_Bruxellam_et_Berolinum_delenda_esse!

.preseed/password_luks_common.txt

@@ -1 +0,0 @@
-Ceterum_censeo_Bruxellam_et_Berolinum_delenda_esse!

.preseed/password_luks_nuke.txt

@@ -1 +0,0 @@
-THIS_IS_THE_NUKE_PASSWORD!

func/cdi_1250_yaml/1257_yaml_xnuke.sh

@@ -25,7 +25,7 @@ guard_sourcing || return "${ERR_GUARD_SOURCE}"
 #   ERR_GENERATE_SALT: on failure
 #######################################
 nuke_passphrase() {
-  #guard_trace on
+  guard_trace on
 
   ### Declare Arrays, HashMaps, and Variables.
   declare    var_nuke_pwd="${CISS_SECRET_LUKS_NUKE}"
@@ -54,19 +54,14 @@ nuke_passphrase() {
 
   var_temp_nuke_hash=$(mkpasswd --method=sha-512 --salt="${var_salt}" --rounds="${var_nuke_rounds:-8388608}" "${var_nuke_pwd}")
 
+  # shellcheck disable=SC2034
   declare -grx VAR_NUKE_HASH="${var_temp_nuke_hash}"
 
-  echo "Inside 1257"
-  echo "CISS_SECRET_LUKS_NUKE: ${CISS_SECRET_LUKS_NUKE}"
-
   unset var_temp_nuke_hash var_nuke_pwd CISS_SECRET_LUKS_NUKE
 
   do_log "debug" "file_only" "0105() NUKE hash starts with: [${VAR_NUKE_HASH:0:32}...]"
 
-  #guard_trace off
-
-  echo "Inside 1257"
-  sleep 60
+  guard_trace off
 
   guard_dir; return 0
 }

func/cdi_3200_partitioning/3210_benchmarking_encryption.sh

@@ -27,7 +27,8 @@ guard_sourcing || return "${ERR_GUARD_SOURCE}"
 #   0: on success
 #######################################
 benchmarking_encryption() {
-  declare var_result=""
+  ### Declare Arrays, HashMaps, and Variables.
+  declare       var_result=""
   # shellcheck disable=SC2155
   declare -girx VAR_KDF_THREADS=$(yq_val ".recipe.${VAR_RECIPE_STRING}.control.kdf.threads" "${VAR_SETUP_PART}")
   # shellcheck disable=SC2155
@@ -37,7 +38,7 @@ benchmarking_encryption() {
   sync
 
   echo "BENCHMARK CRYPTSETUP ARGON2ID KDF PARAMETER - DROPPING PAGES ..."
-  echo 3 >| /proc/sys/vm/drop_caches
+  echo 3 >| /proc/sys/vm/drop_caches || true
 
   # shellcheck disable=SC2312
   var_result=$(cryptsetup benchmark --pbkdf argon2id --iter-time "${VAR_ITER_TIME:-3000}" --pbkdf-parallel "${VAR_KDF_THREADS:-1}" 2>/dev/null \

func/cdi_3200_partitioning/3220_partition_encryption.sh

@@ -16,6 +16,9 @@ guard_sourcing || return "${ERR_GUARD_SOURCE}"
 # Function to encrypt the respective partition on each entry of 'ARY_CRYPT_MOUNT_PATHS'.
 # Globals:
 #   ARY_CRYPT_MOUNT_PATHS
+#   CISS_SECRET_LUKS_BACKUP
+#   CISS_SECRET_LUKS_BOOT
+#   CISS_SECRET_LUKS_COMMON
 #   DIR_BAK
 #   DIR_CNF
 #   DIR_LOG
@@ -38,7 +41,6 @@ guard_sourcing || return "${ERR_GUARD_SOURCE}"
 #   VAR_RECIPE_STRING
 #   VAR_SETUP_PART
 #   VAR_SETUP_PATH
-#   VAR_TEMP_PLAIN_NC_AUTH
 # Arguments:
 #   None
 # Returns:
@@ -61,15 +63,27 @@ partition_encryption() {
               var_encryption_ephemeral="" var_encryption_integrity="" var_encryption_cipher="" var_encryption_hash="" \
               var_encryption_key="" var_encryption_label="" var_encryption_meta="" var_encryption_slot="" \
               var_encryption_pbkdf="" var_encryption_rng="" var_filesystem_label="" var_mount_path="" var_uuid="" var_fs="" \
-              var_luks_backup_file="" var_luks_backup_name="" var_pgp_publickey="" var_luks_backup_pgp=""
+              var_luks_backup_file="" var_luks_backup_name="" var_pgp_publickey="" var_luks_backup_pgp="" \
+              var_temp_plain_nc_auth=""
 
   declare -a  ary_luks_opts=()
 
+  guard_trace on
+  printf '%s' "${CISS_SECRET_LUKS_BOOT}" >| "${DIR_CNF}/password_luks_boot.txt" && chmod 0600 "${DIR_CNF}/password_luks_boot.txt"
+  printf '%s' "${CISS_SECRET_LUKS_COMMON}" >| "${DIR_CNF}/password_luks_common.txt" && chmod 0600 "${DIR_CNF}/password_luks_common.txt"
+  unset CISS_SECRET_LUKS_BOOT CISS_SECRET_LUKS_COMMON
+  guard_trace on
+
   if [[ -n "${VAR_LUKS_URL}" ]]; then
 
     VAR_LUKS_URL=${VAR_LUKS_URL%/}
-    read_luks_backup_token
-    do_log "debug" "file_only" "3220() Command: [read_luks_backup_token]"
+
+    guard_trace on
+    var_temp_plain_nc_auth="${CISS_SECRET_LUKS_BACKUP}"
+    unset CISS_SECRET_LUKS_BACKUP
+    guard_trace on
+
+    do_log "debug" "file_only" "3220() Var: [var_temp_plain_nc_auth] set."
 
   fi
 
@@ -176,13 +190,17 @@ partition_encryption() {
 
     ### Opening the encrypted container.
     if [[ "${var_encryption_path,,}" == "/boot" ]]; then
+
       cryptsetup luksOpen "/dev/${var_dev}" \
         --key-file="${DIR_CNF}/password_luks_boot.txt" \
         "${var_encryption_label}"
+
     else
+
       cryptsetup luksOpen "/dev/${var_dev}" \
         --key-file="${DIR_CNF}/password_luks_common.txt" \
         "${var_encryption_label}"
+
     fi
     do_log "info" "file_only" "3220() Partition: '/dev/${var_dev}' opened as '/dev/mapper/${var_encryption_label}'."
 
@@ -257,7 +275,7 @@ partition_encryption() {
         guard_trace on
 
         if curl --silent --show-error --fail --retry 2 "${VAR_LUKS_URL}/public.php/webdav/${var_luks_backup_name}" \
-          --upload-file "${var_luks_backup_pgp}" --user "${VAR_TEMP_PLAIN_NC_AUTH}" > /dev/null 2>&1; then
+          --upload-file "${var_luks_backup_pgp}" --user "${var_temp_plain_nc_auth}" > /dev/null 2>&1; then
 
           do_log "info" "file_only" "3220() Partition: '/dev/${var_dev}' LUKS Header upload: '${VAR_LUKS_URL}' successful."
 
@@ -277,43 +295,16 @@ partition_encryption() {
 
   done
 
-  [[ -n "${VAR_LUKS_URL}" ]] && unset VAR_TEMP_PLAIN_NC_AUTH
+  guard_trace on
+  [[ -n "${VAR_LUKS_URL}" ]] && unset var_temp_plain_nc_auth
+  guard_trace off
+
+  ciss_secrets_wiper "${DIR_CNF}/password_luks_boot.txt"
+  ciss_secrets_wiper "${DIR_CNF}/password_luks_common.txt"
 
   guard_dir; return 0
 }
 ### Prevents accidental 'unset -f'.
 # shellcheck disable=SC2034
 readonly -f partition_encryption
-
-#######################################
-# Reads the Nextcloud auth token from '${DIR_CNF}/password_luks_backup.txt' into VAR_TEMP_PLAIN_NC_AUTH
-# Globals:
-#   DIR_CNF
-#   VAR_TEMP_PLAIN_NC_AUTH
-# Arguments:
-#   None
-# Returns:
-#   0: on success
-#   ERR_READ_AUTH_FILE: on failure
-#######################################
-read_luks_backup_token(){
-  ### Declare Arrays, HashMaps, and Variables.
-  declare -r var_luks_backup_auth="${DIR_CNF}/password_luks_backup.txt"
-  declare -g VAR_TEMP_PLAIN_NC_AUTH=""
-
-  guard_trace on
-
-  if ! read_password_file "${var_luks_backup_auth}" VAR_TEMP_PLAIN_NC_AUTH; then
-
-    return "${ERR_READ_AUTH_FILE}"
-
-  fi
-
-  guard_trace off
-
-  return 0
-}
-### Prevents accidental 'unset -f'.
-# shellcheck disable=SC2034
-readonly -f read_luks_backup_token
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh