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authorFelix Fietkau2025-03-13 12:33:54 +0000
committerFelix Fietkau2025-03-17 12:17:52 +0000
commit5f0f8d23a13a0801dda31bd39947ce5c728ce756 (patch)
tree12416b3d121c935859c4d0d51cee278648d1606b
parent1be7036f696e2a92cdbd1eb8014174678addf16f (diff)
downloadopenwrt-5f0f8d23a13a0801dda31bd39947ce5c728ce756.tar.gz
base-files: add support for creating a provisioning partition on sysupgrade
This partition can be used to store sensitive config items (e.g. keys/certificates) across factory resets. Signed-off-by: Felix Fietkau <nbd@nbd.name>
-rw-r--r--package/base-files/files/lib/upgrade/nand.sh10
-rwxr-xr-xpackage/base-files/files/sbin/sysupgrade7
2 files changed, 16 insertions, 1 deletions
diff --git a/package/base-files/files/lib/upgrade/nand.sh b/package/base-files/files/lib/upgrade/nand.sh
index ca302557c8..22f9cce42a 100644
--- a/package/base-files/files/lib/upgrade/nand.sh
+++ b/package/base-files/files/lib/upgrade/nand.sh
@@ -217,6 +217,16 @@ nand_upgrade_prepare_ubi() {
[ "$root_ubivol" ] && ubirmvol /dev/$root_ubidev -N "$CI_ROOTPART" || :
[ "$data_ubivol" ] && ubirmvol /dev/$root_ubidev -N rootfs_data || :
+ # create provisioning vol
+ if [ "${UPGRADE_OPT_ADD_PROVISIONING:-0}" -gt 0 ]; then
+ [ -n "$(nand_find_volume $root_ubidev provisioning)" ] || {
+ if ! ubimkvol /dev/$root_ubidev -N provisioning -s 131072; then
+ echo "cannot create provisioning volume"
+ return 1
+ fi
+ }
+ fi
+
# create kernel vol
if [ -n "$kernel_length" ]; then
if ! ubimkvol /dev/$kern_ubidev -N "$CI_KERNPART" -s $kernel_length; then
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index 69bdad51b0..9b993a72f2 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -11,6 +11,7 @@ INSTALLED_PACKAGES=${ETCBACKUP_DIR}/installed_packages.txt
COMMAND=/lib/upgrade/do_stage2
# File-local globals
+ADD_PROVISIONING=0
SAVE_OVERLAY=0
SAVE_OVERLAY_PATH=
SAVE_PARTITIONS=1
@@ -45,6 +46,7 @@ while [ -n "$1" ]; do
-c) SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/etc;;
-o) SAVE_OVERLAY=1 SAVE_OVERLAY_PATH=/;;
-p) SAVE_PARTITIONS=0;;
+ -P) ADD_PROVISIONING=1;;
-k) SAVE_INSTALLED_PKGS=1;;
-u) SKIP_UNCHANGED=1;;
-b|--create-backup) CONF_BACKUP="$2" NEED_IMAGE=1; shift;;
@@ -68,7 +70,7 @@ done
print_help() {
cat <<EOF
Usage: $0 [<upgrade-option>...] <image file or URL>
- $0 [-q] [-i] [-c] [-u] [-o] [-k] <backup-command> <file>
+ $0 [-q] [-i] [-c] [-u] [-o] [-k] [-P] <backup-command> <file>
upgrade-option:
-f <config> restore configuration from .tar.gz (file or url)
@@ -82,6 +84,8 @@ upgrade-option:
-k include in backup a list of current installed packages at
$INSTALLED_PACKAGES
-s stay on current partition (for dual firmware devices)
+ -P create provisioning partition to keep sensitive data across
+ factory resets.
-T | --test
Verify image and config .tar.gz but do not actually flash.
-F | --force
@@ -427,6 +431,7 @@ else
json_add_string command "$COMMAND"
json_add_object options
json_add_int save_partitions "$SAVE_PARTITIONS"
+ json_add_int add_provisioning "$ADD_PROVISIONING"
[ $USE_CURR_PART -eq 1 ] && json_add_boolean use_curr_part 1
json_close_object