#!/bin/bash

udm_output=$(udm computers/windows list)

while read -d $'\0' record; do
	if [ -z "$record" ]; then
		continue
	fi
	ol_dn=$(sed -n 's/^DN: //p' <<<"$record")
	name=$(sed -n 's/^  name: //p' <<<"$record")

	ldif=$(ldbsearch -H /var/lib/samba/private/sam.ldb \
		"(&(objectClass=computer)(CN=$name))" sAMAccountName)
	sAMAccountName=$(sed -n 's/^sAMAccountName: //p' <<<"$ldif")
	if [ -z "$sAMAccountName" ]; then
		echo "Script error: sAMAccountName not found for CN=$name"
		break
	fi
	if [ "${name^^}\$" = "${sAMAccountName^^}" ]; then
		continue
	fi

	echo udm computers/windows modify --dn "$ol_dn" --set name="${sAMAccountName::-1}"
	udm computers/windows modify --dn "$ol_dn" --set name="${sAMAccountName::-1}"

done < <(sed -e 's/^$/\x00/' < <(printf "$udm_output\n\n"))