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-rwxr-xr-xpackage/base-files/files/sbin/sysupgrade28
-rwxr-xr-xpackage/base-files/files/usr/libexec/validate_firmware_image59
2 files changed, 73 insertions, 14 deletions
diff --git a/package/base-files/files/sbin/sysupgrade b/package/base-files/files/sbin/sysupgrade
index c27c1fbc47..42f0f6bd22 100755
--- a/package/base-files/files/sbin/sysupgrade
+++ b/package/base-files/files/sbin/sysupgrade
@@ -2,6 +2,7 @@
. /lib/functions.sh
. /lib/functions/system.sh
+. /usr/share/libubox/jshn.sh
# initialize defaults
export MTD_ARGS=""
@@ -191,9 +192,6 @@ add_overlayfiles() {
return 0
}
-# hooks
-sysupgrade_image_check="fwtool_check_signature fwtool_check_image platform_check_image"
-
if [ $SAVE_OVERLAY = 1 ]; then
[ ! -d /overlay/upper/etc ] && {
echo "Cannot find '/overlay/upper/etc', required for '-c'" >&2
@@ -316,17 +314,19 @@ case "$IMAGE" in
;;
esac
-for check in $sysupgrade_image_check; do
- ( $check "$IMAGE" ) || {
- if [ $FORCE -eq 1 ]; then
- echo "Image check '$check' failed but --force given - will update anyway!" >&2
- break
- else
- echo "Image check '$check' failed." >&2
- exit 1
- fi
- }
-done
+json_load "$(/usr/libexec/validate_firmware_image "$IMAGE")" || {
+ echo "Failed to check image"
+ exit 1
+}
+json_get_var valid "valid"
+[ "$valid" -eq 0 ] && {
+ if [ $FORCE -eq 1 ]; then
+ echo "Image check failed but --force given - will update anyway!" >&2
+ else
+ echo "Image check failed." >&2
+ exit 1
+ fi
+}
if [ -n "$CONF_IMAGE" ]; then
case "$(get_magic_word $CONF_IMAGE cat)" in
diff --git a/package/base-files/files/usr/libexec/validate_firmware_image b/package/base-files/files/usr/libexec/validate_firmware_image
new file mode 100755
index 0000000000..a07796c9dc
--- /dev/null
+++ b/package/base-files/files/usr/libexec/validate_firmware_image
@@ -0,0 +1,59 @@
+#!/bin/sh
+
+. /lib/functions.sh
+. /lib/functions/system.sh
+. /usr/share/libubox/jshn.sh
+
+include /lib/upgrade
+
+VALID=1
+FORCEABLE=1
+
+# Mark image as invalid but still possible to install
+notify_firmware_invalid() {
+ VALID=0
+}
+
+# Mark image as broken (impossible to install)
+notify_firmware_broken() {
+ VALID=0
+ FORCEABLE=0
+}
+
+# Add result of validation test
+notify_firmware_test_result() {
+ local old_ns
+
+ json_set_namespace validate_firmware_image old_ns
+ json_add_boolean "$1" "$2"
+ json_set_namespace $old_ns
+}
+
+err_to_bool() {
+ [ "$1" -ne 0 ] && echo 0 || echo 1
+}
+
+fwtool_check_signature "$1" >&2
+FWTOOL_SIGNATURE=$?
+[ "$FWTOOL_SIGNATURE" -ne 0 ] && notify_firmware_invalid
+
+fwtool_check_image "$1" >&2
+FWTOOL_DEVICE_MATCH=$?
+[ "$FWTOOL_DEVICE_MATCH" -ne 0 ] && notify_firmware_invalid
+
+json_set_namespace validate_firmware_image old_ns
+json_init
+ json_add_object "tests"
+ json_add_boolean fwtool_signature "$(err_to_bool $FWTOOL_SIGNATURE)"
+ json_add_boolean fwtool_device_match "$(err_to_bool $FWTOOL_DEVICE_MATCH)"
+
+ # Call platform_check_image() here so it can add its test
+ # results and still mark image properly.
+ json_set_namespace $old_ns
+ platform_check_image "$1" >&2 || notify_firmware_invalid
+ json_set_namespace validate_firmware_image old_ns
+ json_close_object
+ json_add_boolean valid "$VALID"
+ json_add_boolean forceable "$FORCEABLE"
+json_dump -i
+json_set_namespace $old_ns