1 ppwd="$(sed -ne '/^root:/s/^root:\([^:]*\):.*$/\1/p' /etc/passwd)"
2 spwd="$(sed -ne '/^root:/s/^root:\([^:]*\):.*$/\1/p' /etc/shadow)"
4 if [ -n "${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