#!/bin/sh
#
# Make sure the LDAP server is able to respond by searching for the
# root DSE.

set -e

PATH=/bin:/sbin:/usr/sbin:/usr/bin

if [ -z "$1" ] ; then
    echo "No LDAP server specified on command line"
    exit 1
fi

ldapserver=$1
shift

if type ldapsearch > /dev/null 2>&1 ; then
    :
else
    echo "Missing the ldapsearch tool, unable to check LDAP server."
    exit 2
fi

if ldapsearch -l 3 -LLL -h $ldapserver -x -b '' -s base > /dev/null 2>&1 ; then
    echo "OK - Searching for LDAP root DSE worked on $ldapserver"
    exit 0
else
    echo "Failed to fetch root DSE from LDAP server $ldapserver."
    exit 1
fi