#!/bin/bash

awk -F: '($1!~/(halt|sync|shutdown)/ && $7!~/^(\/usr)?\/sbin\/nologin(\/)?$/
&& $7!~/(\/usr)?\/bin\/false(\/)?$/) { print $1 " " $6 }' | while
    read -r
    user dir
do
    if [ ! -d "$dir" ]; then
        echo "User: \"$user\" home directory: \"$dir\" does not exist, creating
home directory"
        mkdir "$dir"
        chmod g-w,o-rwx "$dir"
        chown "$user" "$dir"
    else
        owner=$(stat -L -c "%U" "$dir")
        if [ "$owner" != "$user" ]; then
            chmod g-w,o-rwx "$dir"
            chown "$user" "$dir"
        fi
    fi
done