package/base-files/files/usr/libexec/validate_firmware_image

   1 #!/bin/sh
   2
   3 . /lib/functions.sh
   4 . /lib/functions/system.sh
   5 . /usr/share/libubox/jshn.sh
   6
   7 include /lib/upgrade
   8
   9 VALID=1
  10 FORCEABLE=1
  11
  12 # Mark image as invalid but still possible to install
  13 notify_firmware_invalid() {
  14         VALID=0
  15 }
  16
  17 # Mark image as broken (impossible to install)
  18 notify_firmware_broken() {
  19         VALID=0
  20         FORCEABLE=0
  21 }
  22
  23 # Add result of validation test
  24 notify_firmware_test_result() {
  25         local old_ns
  26
  27         json_set_namespace validate_firmware_image old_ns
  28         json_add_boolean "$1" "$2"
  29         json_set_namespace $old_ns
  30 }
  31
  32 err_to_bool() {
  33         [ "$1" -ne 0 ] && echo 0 || echo 1
  34 }
  35
  36 fwtool_check_signature "$1" >&2
  37 FWTOOL_SIGNATURE=$?
  38 [ "$FWTOOL_SIGNATURE" -ne 0 ] && notify_firmware_invalid
  39
  40 fwtool_check_image "$1" >&2
  41 FWTOOL_DEVICE_MATCH=$?
  42 [ "$FWTOOL_DEVICE_MATCH" -ne 0 ] && notify_firmware_invalid
  43
  44 json_set_namespace validate_firmware_image old_ns
  45 json_init
  46         json_add_object "tests"
  47                 json_add_boolean fwtool_signature "$(err_to_bool $FWTOOL_SIGNATURE)"
  48                 json_add_boolean fwtool_device_match "$(err_to_bool $FWTOOL_DEVICE_MATCH)"
  49
  50                 # Call platform_check_image() here so it can add its test
  51                 # results and still mark image properly.
  52                 json_set_namespace $old_ns
  53                 platform_check_image "$1" >&2 || notify_firmware_invalid
  54                 json_set_namespace validate_firmware_image old_ns
  55         json_close_object
  56         json_add_boolean valid "$VALID"
  57         json_add_boolean forceable "$FORCEABLE"
  58 json_dump -i
  59 json_set_namespace $old_ns