#! /bin/sh
# $OpenLDAP$
## This work is part of OpenLDAP Software <http://www.openldap.org/>.
##
## Copyright 1998-2021 The OpenLDAP Foundation.
## All rights reserved.
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted only as authorized by the OpenLDAP
## Public License.
##
## A copy of this license is available in the file LICENSE in the
## top-level directory of the distribution or, alternatively, at
## <http://www.OpenLDAP.org/license.html>.

echo "running defines.sh"
. $SRCDIR/scripts/defines.sh

if test $SYNCPROV = syncprovno; then
	echo "Syncrepl provider overlay not available, test skipped"
	exit 0
fi
if test $BACKEND = ldif ; then
	# Onelevel search does not return entries in order of creation or CSN.
	echo "$BACKEND backend unsuitable for syncprov, test skipped"
	exit 0
fi

echo "This test tracks a case where a deleted entry gets resurrected."
echo "See https://bugs.openldap.org/show_bug.cgi?id=9282 for more information."

MMR=2
XDIR=$TESTDIR/srv

mkdir -p $TESTDIR

USERDN="cn=Damon Leeson, ou=Product Development, dc=example,dc=com"
$SLAPPASSWD -g -n >$CONFIGPWF

ITS=9282
ITSDIR=$DATADIR/regressions/its$ITS


n=1
while [ $n -le $MMR ]; do
	echo "Initializing server configuration for MMR$n..."
	DBDIR=${XDIR}$n/db
	CFDIR=${XDIR}$n/slapd.d

	mkdir -p ${XDIR}$n $DBDIR.1 $DBDIR.2 $CFDIR
	. $CONFFILTER $BACKEND < $ITSDIR/config.ldif > $TESTDIR/config${n}.ldif
	if [ $n = 1 ]; then
		MYURI=`eval echo '$URI2'`
	else
		MYURI=`eval echo '$URI1'`
	fi
	sed -e "s/@SID@/$n/g" -e "s|@URI@|$MYURI|g" $TESTDIR/config${n}.ldif > $CONFLDIF
	$SLAPADD -F $CFDIR -n 0 -l $CONFLDIF
	n=`expr $n + 1`
done

KILLPIDS=
n=1
while [ $n -le $MMR ]; do
	MYURI=`eval echo '$URI'$n`
	MYLOG=`eval echo '$LOG'$n`
	CFDIR=${XDIR}$n/slapd.d

	echo "Starting provider slapd on TCP/IP URI $MYURI"
	$SLAPD -F $CFDIR -h $MYURI -d $LVL -d sync > $MYLOG 2>&1 &

	PID=$!
	if test $WAIT != 0 ; then
		echo PID $PID
		read foo
	fi
	KILLPIDS="$PID $KILLPIDS"
	if [ $n = 1 ]; then
		MPID="$PID"
	fi
	sleep 1

	echo "Using ldapsearch to check that provider slapd is running..."
	for i in 0 1 2 3 4 5; do
		$LDAPSEARCH -s base -b "" -H $MYURI \
			'objectclass=*' > /dev/null 2>&1
		RC=$?
		if test $RC = 0 ; then
			break
		fi
		echo "Waiting 5 seconds for slapd to start..."
		sleep 5
	done

	if test $RC != 0 ; then
		echo "ldapsearch failed ($RC)!"
		test $KILLSERVERS != no && kill -HUP $KILLPIDS
		exit $RC
	fi
	n=`expr $n + 1`
done

echo "Sleeping 15 seconds to allow stabilization..."
sleep 15

echo "Populating database on provider..."
$LDAPADD -D $MANAGERDN -H $URI1 -w $PASSWD -f $ITSDIR/exampledb.ldif >> $TESTOUT 2>&1

RC=$?
if test $RC != 0 ; then
	echo "ldapadd failed ($RC)!"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

echo "Waiting on databases to sync..."
loop=0
while [ $loop -ne 1 ]; do
	$LDAPSEARCH -D $MANAGERDN -w $PASSWD -s base -b "$BASEDN" -H $URI1 \
		contextCSN | grep contextCSN: > $TESTDIR/server1.csn 2>&1
	$LDAPSEARCH -D $MANAGERDN -w $PASSWD -s base -b "$BASEDN" -H $URI2 \
		contextCSN | grep contextCSN: > $TESTDIR/server2.csn 2>&1
	$CMP $TESTDIR/server1.csn $TESTDIR/server2.csn > $CMPOUT 
	if test $? != 0 ; then
		echo "Still syncing..."
		sleep 30
	else
		loop=1
	fi
done

echo "Comparing entry on providers..."
$LDAPSEARCH -D $MANAGERDN -w $PASSWD -b "$BASEDN" -H $URI2 \
	'(cn=Damon Leeson)' '1.1' > $TESTDIR/server2.flt 2>&1
RC=$?

if test $RC != 0 ; then
	echo "ldapsearch on $URI2 failed with error $RC."
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

$LDAPSEARCH -D $MANAGERDN -w $PASSWD -b "$BASEDN" -H $URI1 \
	'(cn=Damon Leeson)' '1.1' > $TESTDIR/server1.flt 2>&1
RC=$?

if test $RC != 0 ; then
	echo "ldapsearch on $URI1 failed with error $RC."
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

$CMP $TESTDIR/server1.flt $TESTDIR/server2.flt > $CMPOUT

if test $? != 0 ; then
	echo "test failed - provider 1 and provider 2 databases differ"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit 1
fi

echo -n "Stopping MMR1 slapd..."
kill -HUP $MPID
wait $MPID
KILLPIDS=`echo "$KILLPIDS " | sed -e "s/ $MPID / /"`;
sleep $SLEEP2
echo "done"

echo "Deleting entry from provider 2..."

$LDAPDELETE -D "$MANAGERDN" -H $URI2 -w $PASSWD "$USERDN" >> $TESTOUT
RC=$?

if test $RC != 0 ; then
	echo "ldapdelete on $URI2 failed with error $RC."
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

$LDAPSEARCH -D $MANAGERDN -w $PASSWD -b "$BASEDN" -H $URI2 \
	'(cn=Damon Leeson)' '1.1' > $TESTDIR/server2dc.flt 2>&1

echo "Starting provider1 slapd on TCP/IP URI $URI1"
CFDIR="$TESTDIR/srv1/slapd.d"
$SLAPD -F $CFDIR -h $URI1 -d $LVL >> $LOG1 2>&1 &

PID=$!
if test $WAIT != 0 ; then
	echo PID $PID
	read foo
fi
KILLPIDS="$PID $KILLPIDS"
sleep 1

echo "Using ldapsearch to check that provider slapd is running..."
for i in 0 1 2 3 4 5; do
	$LDAPSEARCH -s base -b "" -H $URI1 \
		'objectclass=*' > /dev/null 2>&1
	RC=$?
	if test $RC = 0 ; then
		break
	fi
	echo "Waiting 5 seconds for slapd to start..."
	sleep 5
done

if test $RC != 0 ; then
	echo "ldapsearch failed ($RC)!"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi
echo "done"

echo "Sleeping 30 seconds  to allow databases to sync..."
sleep 30

echo "Comparing entry on providers post delete..."
$LDAPSEARCH -D $MANAGERDN -w $PASSWD -b "$BASEDN" -H $URI2 \
	'(cn=Damon Leeson)' '1.1' > $TESTDIR/server2d.flt 2>&1
RC=$?

if test $RC != 0 ; then
	echo "ldapsearch on $URI2 failed with error $RC."
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

$LDAPSEARCH -D $MANAGERDN -w $PASSWD -b "$BASEDN" -H $URI1 \
	'(cn=Damon Leeson)' '1.1' > $TESTDIR/server1d.flt 2>&1
RC=$?

if test $RC != 0 ; then
	echo "ldapsearch on $URI1 failed with error $RC."
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

$CMP $ITSDIR/noentry.flt $TESTDIR/server2d.flt > $CMPOUT
if test $? != 0 ; then
	echo "test failed - entry exists on provider 2"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit 1
fi

$CMP $ITSDIR/noentry.flt $TESTDIR/server1d.flt > $CMPOUT
if test $? != 0 ; then
	echo "test failed - entry exists on provider 1"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit 1
fi

echo "Checking provider 2 sent the right cookie..."
grep "starting refresh.*csn=.*#002#.*" $LOG2 >/dev/null 2>&1
RC=$?

if test $RC != 0 ; then
    echo "Provider 2 did not send its CSN in the cookie"
    test $KILLSERVERS != no && kill -HUP $KILLPIDS
    exit $RC
fi

test $KILLSERVERS != no && kill -HUP $KILLPIDS

echo ">>>>> Test succeeded"

test $KILLSERVERS != no && wait

exit 0