#!/bin/bash

read -sp "Password: " passw < /dev/tty

host=$1
user=$2
base=$3
query=$4

function adsearch {
query=$1
ldapsearch -x -LLL -D "$user" -b "$base" -w "$passw" -h "$host"($query)" samaccountname
}

function getusername {
perl -nle '/sAMAccountName: (.*)/ && print $1'
}

adsearch "$passw" "$query"