package/base-files/files/lib/upgrade/fwtool.sh

   1 fwtool_check_signature() {
   2         [ $# -gt 1 ] && return 1
   3
   4         [ ! -x /usr/bin/ucert ] && {
   5                 if [ "$REQUIRE_IMAGE_SIGNATURE" = 1 ]; then
   6                         return 1
   7                 else
   8                         return 0
   9                 fi
  10         }
  11
  12         if ! fwtool -q -t -s /tmp/sysupgrade.ucert "$1"; then
  13                 echo "Image signature not found"
  14                 [ "$REQUIRE_IMAGE_SIGNATURE" = 1 -a "$FORCE" != 1 ] && {
  15                         echo "Use sysupgrade -F to override this check when downgrading or flashing to vendor firmware"
  16                 }
  17                 [ "$REQUIRE_IMAGE_SIGNATURE" = 1 ] && return 1
  18                 return 0
  19         fi
  20
  21         ucert -V -m "$1" -c "/tmp/sysupgrade.ucert" -P /etc/opkg/keys
  22
  23         return $?
  24 }
  25
  26 fwtool_check_image() {
  27         [ $# -gt 1 ] && return 1
  28
  29         . /usr/share/libubox/jshn.sh
  30
  31         if ! fwtool -q -i /tmp/sysupgrade.meta "$1"; then
  32                 echo "Image metadata not found"
  33                 [ "$REQUIRE_IMAGE_METADATA" = 1 -a "$FORCE" != 1 ] && {
  34                         echo "Use sysupgrade -F to override this check when downgrading or flashing to vendor firmware"
  35                 }
  36                 [ "$REQUIRE_IMAGE_METADATA" = 1 ] && return 1
  37                 return 0
  38         fi
  39
  40         json_load "$(cat /tmp/sysupgrade.meta)" || {
  41                 echo "Invalid image metadata"
  42                 return 1
  43         }
  44
  45         device="$(cat /tmp/sysinfo/board_name)"
  46
  47         json_select supported_devices || return 1
  48
  49         json_get_keys dev_keys
  50         for k in $dev_keys; do
  51                 json_get_var dev "$k"
  52                 [ "$dev" = "$device" ] && return 0
  53         done
  54
  55         echo "Device $device not supported by this image"
  56         echo -n "Supported devices:"
  57         for k in $dev_keys; do
  58                 json_get_var dev "$k"
  59                 echo -n " $dev"
  60         done
  61         echo
  62
  63         return 1
  64 }