#! /bin/sh

PATH=/usr/bin

if [ -z "$SUDO_USER" ]; then
    echo "Not in a sudo environment ! Aborting."
    exit 1
fi

if [ "$(id -u)" != "0" ]; then
    echo "This script must be executed as root ! Aborting."
    exit 1
fi

if [ "$(passwd -S "$SUDO_USER" | cut -d' ' -f2)" != "L" ]; then
    echo "The user password for '$SUDO_USER' exist already."
    exit 1
fi

passwd "$SUDO_USER"