#! /bin/sh

islocked()
{
  local locked_state locked_file;
  locked_file=/proc/otp/islocked
  if [ -f "$locked_file" ]; then
    locked_state=$(cat "$locked_file")
  else
    echo "$0: ERROR: $locked_file not found" 1>&2
  fi
  [ "$locked_state" = "1" ];
}

if islocked; then
  echo "secure boot is enabled"
  exit 0
fi

echo "secure boot is not enabled"
exit 1