#!/bin/sh
#
# Univention System Role Package
#  helper script: checks the connection to the LDAP server.
#
# Copyright 2010-2021 Univention GmbH
#
# https://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <https://www.gnu.org/licenses/>.

eval "$(/usr/sbin/univention-config-registry shell 'ldap/server/.*')"

# shellcheck disable=SC2154
for h in $ldap_server_name $ldap_server_addition
do
	[ -n "$h" ] &&
		netcat -q0 -w4 "$h" "${ldap_server_port:-7389}" </dev/null >/dev/null 2>&1 &&
		exit 0
done
exit 1
