#!/bin/bash

if [ $# -lt 3  ]; then
    echo 1>&2 "$0: not enough arguments"
    exit 2
elif [ $# -gt 3 ]; then
    echo 1>&2 "$0: too many arguments"
    exit 2
fi

first_name="$(echo $1 | tr '[:upper:]' '[:lower:]')"
last_name="$(echo $2 | tr '[:upper:]' '[:lower:]')"
password="$3"
login="$(echo $first_name | cut -c 1)$last_name"
uid="$[$(ldapsearch -x -LLL uidnumber | grep "uidNumber" | cut -d " " -f2 | sort -n -r | head -1)+1]"
home="/home/$login"

printf "dn: cn=$login,dc=lab,dc=pl\ncn: $login\ngidNumber: 100\nhomeDirectory: $home\nobjectClass: person\nobjectClass: posixAccount\nobjectClass: simpleSecurityObject\nobjectClass: top\nsn: $last_name\nuid: $login\nuidNumber: $uid\nuserpassword: $password\n\n" > tmp

ldapmodify -a -x -D cn=admin,dc=lab,dc=pl -W -f tmp

if [ "$?" = "0" ]; then
    mkdir $home
    chmod 700 $home
    chown $uid:100 $home
else
    echo 1>&2 "$0: error occured in ldapmodify"
fi

rm tmp