package/base-files/files/etc/uci-defaults/10_migrate-shadow

   1 ppwd="$(sed -ne '/^root:/s/^root:\([^:]*\):.*$/\1/p' /etc/passwd)"
   2 spwd="$(sed -ne '/^root:/s/^root:\([^:]*\):.*$/\1/p' /etc/shadow)"
   3
   4 if [ -n "${ppwd#[\!x]}" ] && [ -z "${spwd#[\!x]}" ]; then
   5         logger -t migrate-shadow "Moving root password hash into shadow database"
   6         sed -i -e "s:^root\:[^\:]*\::root\:x\::"     /etc/passwd
   7         sed -i -e "s:^root\:[^\:]*\::root\:$ppwd\::" /etc/shadow
   8 fi
   9
  10 exit 0