#!/bin/sh
#
# ldap	This shell script takes care of starting and stopping
#	ldap servers (slapd and slurpd).
#
# chkconfig: 345 39 61
# description: LDAP stands for Lightweight Directory Access Protocol, used \
#              for implementing the industry standard directory services.
# processname: slapd
# config: /etc/openldap/slapd.conf
# pidfile: /var/run/ldap/slapd.pid
#
# Created by Christian Zoffoli <czoffoli@linux-mandrake.com>
# Version 0.1b  2001-05-23
#

# Source networking configuration.
. /etc/sysconfig/network

# Check that networking is up.
[ ${NETWORKING} = "no" ] && exit 0

# Source function library.
if [ -f /etc/init.d/functions ] ; then
  . /etc/init.d/functions
elif [ -f /etc/rc.d/init.d/functions ] ; then
  . /etc/rc.d/init.d/functions
else
  exit 0
fi

SLAPDCONF=/etc/openldap/slapd.conf

# Source an auxiliary options file if we have one, and pick up OPTIONS,
# SLAPD_OPTIONS, and SLURPD_OPTIONS.
if [ -r /etc/sysconfig/ldap ] ; then
	. /etc/sysconfig/ldap
fi

slapd=/usr/sbin/slapd
slurpd=/usr/sbin/slurpd
[ -x ${slapd} ] || exit 0
[ -x ${slurpd} ] || exit 0

export TMPDIR=/var/tmp

check_slurpd() {
	if grep -Eq "^[[:space:]]*replica[[:space:]]+(host|uri)" $SLAPDCONF
		then STARTSLURPD="${STARTSLURPD:-yes}"
	fi
	if [ "${STARTSLURPD:-no}" == "yes" ]
	then return 0
	fi

	return 1
}


start() {
	local RETVAL=0
	local RETVAL2=0
	local ARGS=""

    # Start daemons.
	ARGS="-u ldap -g ldap"

	# Syslog 
	if [ -n "$SLAPDSYSLOGLOCALUSER" ] ; then
		ARGS="$ARGS -l $SLAPDSYSLOGLOCALUSER"
		if [ -n "$SLAPDSYSLOGLEVEL" ] ; then
			ARGS="$ARGS -s $SLAPDSYSLOGLEVEL"
		fi
	fi
	
	OUT="ldap"
	if [ -n "$SLAPDURLLIST" ] ; then
		if grep -q "^[[:space:]]*TLS" $SLAPDCONF  ; then
			OUT="ldap + ldaps"
		else
			SLAPDURLLIST=$( echo $SLAPDURLLIST | sed 's#ldaps:[^ ]*##g')
		fi
		ARGS="$ARGS -h \"$SLAPDURLLIST \""
	else
		ARGS="$ARGS -h \"ldap:/// \""
	fi

        gprintf "Starting slapd (%s): " "$OUT"
	daemon ${slapd} $ARGS
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/ldap

	if [ $RETVAL -eq 0 ]; then
            if check_slurpd ; then
		gprintf "Starting slurpd: "
		daemon su ldap -c \"${slurpd}\" -s /bin/sh
		RETVAL2=$?
		echo
		[ $RETVAL2 -eq 0 ] && touch /var/lock/subsys/ldapr
            fi
	fi
	[ $RETVAL -eq 0 -a $RETVAL2 -eq 0 ] || RETVAL=1
        return $RETVAL
}

stop() {
	local RETVAL=0
	local RETVAL2=0

        # Stop daemons.
	gprintf "Stopping slapd: "
	killproc ${slapd} 2>/dev/null
	RETVAL=$?
	echo

	    if [ -e /var/lock/subsys/ldapr ]; then
		gprintf "Stopping slurpd: "
		killproc ${slurpd} 2>/dev/null
		RETVAL2=$?
		echo
		[ $RETVAL2 -eq 0 ] && rm -f /var/lock/subsys/ldapr
	    fi
        [ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/ldap /var/run/ldap/slapd.args
	[ $RETVAL -eq 0 -a $RETVAL2 -eq 0 ] || RETVAL=1
	return $RETVAL
}

recover () {

	[ "$AUTORECOVER" == "no" ] && return 0
	# For bdb backends we want to recover the transaction logs:
dbdirs=`awk 'BEGIN {OFS=":"} /[:space:]*^database[:space:]*\w*/ {db=$2;suf="";dir=""}; /^[:space:]*suffix[:space:]*\w*/ {suf=$2;if((db=="bdb"||db=="ldbm"||db=="hdb")&&(suf!=""&&dir!="")) print dir};/^[:space:]*directory[:space:]*\w*/ {dir=$2; if((db=="bdb"||db=="ldbm"||db="hdb")&&(suf!=""&&dir!="")) print dir};' "$SLAPDCONF" $(awk  '/^[[:blank:]]*include[[:blank:]]*/ {print $2}' "$SLAPDCONF")|sed -e 's/"//g'`


	# Find a db_recover
	local DBRECOVER
	if [ -x /usr/bin/slapd_db_recover ]
	then
		# private db_recover is the best choice
		DBRECOVER=/usr/bin/slapd_db_recover
	elif [ -x /usr/bin/db_recover ]
	then
		DBRECOVER=/usr/bin/db_recover
	else
		DBRECOVER=""
	fi

	for dbdir in $dbdirs
	do
		if [ -n "`find ${dbdir}/*.bdb 2>&-`" ]
		then
			if [ -n "$DBRECOVER" ]
			then
				gprintf "Running %s on %s\n" "$DBRECOVER" "${dbdir}"
				$DBRECOVER -h ${dbdir} 2>&1 >/dev/null 
			else
				gprintf "Warning: no db_recover available for %s\n" ${dbdir}
			fi
		fi
	done
}

# See how we were called.
case "$1" in
    start)
    	recover
        start
        ;;
    stop)
        stop
        ;;
    status)
        status ${slapd}
        if check_slurpd ; then
            status ${slurpd}
	fi
	;;
    restart)
	stop
	start
	;;
    reload)
    	killall -HUP ${slapd}
	RETVAL=$?
	if [ $RETVAL -eq 0 ]; then
	    if check_slurpd ; then
		killall -HUP ${slurpd}
		RETVAL=$?
	    fi
	fi
	;;
    condrestart)
        if [ -f /var/lock/subsys/ldap ] ; then
            stop
	    recover
            start
        fi
	;;
    *)
	gprintf "Usage: %s {start|stop|restart|status|condrestart}\n" "$0"
	RETVAL=1
esac

exit $RETVAL