#! /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>.

PCACHETTL=${PCACHETTL-"1m"}
PCACHENTTL=${PCACHENTTL-"1m"}
PCACHESTTL=${PCACHESTTL-"1m"}
PCACHE_ENTRY_LIMIT=${PCACHE_ENTRY_LIMIT-"6"}
PCACHE_CCPERIOD=${PCACHE_CCPERIOD-"2"}
PCACHETTR=${PCACHETTR-"2"}
PCACHEBTTR=${PCACHEBTTR-"5"}

. $SRCDIR/scripts/defines.sh

LVL=0x100

if test $PROXYCACHE = pcacheno; then 
	echo "Proxy cache overlay not available, test skipped"
	exit 0
fi 

if test $BACKLDAP = "ldapno" ; then 
	echo "LDAP backend not available, test skipped"
	exit 0
fi 

if test $BACKEND = ldif ; then
	# The (mail=example.com*) queries hit a sizelimit, so which
	# entry is returned depends on the ordering in the backend.
	echo "Test does not support $BACKEND backend, test skipped"
	exit 0
fi

mkdir -p $TESTDIR $DBDIR1 $DBDIR2

# Test proxy caching:
# - start provider
# - start proxy cache
# - populate provider 
# - perform a first search
# - verify cacheability
# - perform a second search with the same filter and same user 
# - verify answerability and cacheability of the bind
# - perform a third search with the same user but a different filter
# - verify cacheability of the bind and the non-answerability of the result 

echo "Starting provider slapd on TCP/IP port $PORT1..."
. $CONFFILTER < $PROXYAUTHZPROVIDERCONF > $CONF1
$SLAPD -f $CONF1 -h $URI1 -d $LVL > $LOG1 2>&1 &
PID=$!
if test $WAIT != 0 ; then
	echo PID $PID
	read foo
fi
KILLPIDS="$PID"

sleep 1

echo "Using ldapsearch to check that provider slapd is running..."
for i in 0 1 2 3 4 5; do
	$LDAPSEARCH -s base -b "$MONITOR" -h $LOCALHOST -p $PORT1 \
		-D "cn=Manager,dc=example,dc=com" -w secret 'objectclass=*' > /dev/null 2>&1
	RC=$?
	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 "Using ldapadd to populate the provider directory..."
$LDAPADD -x -D "$MANAGERDN" -h $LOCALHOST -p $PORT1 -w $PASSWD < \
	$LDIFORDERED > /dev/null 2>&1
RC=$?
if test $RC != 0 ; then
	echo "ldapadd failed ($RC)!"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

echo "Starting proxy cache on TCP/IP port $PORT2..."
. $CONFFILTER < $PROXYAUTHZCONF | sed \
	-e "s/@TTL@/${PCACHETTL}/"			\
	-e "s/@NTTL@/${PCACHENTTL}/"		\
	-e "s/@STTL@/${PCACHENTTL}/"		\
	-e "s/@TTR@/${PCACHETTR}/"			\
	-e "s/@ENTRY_LIMIT@/${PCACHE_ENTRY_LIMIT}/"	\
	-e "s/@CCPERIOD@/${PCACHE_CCPERIOD}/"			\
	-e "s/@BTTR@/${PCACHEBTTR}/"			\
	> $CONF2

$SLAPD -f $CONF2 -h $URI2 -d $LVL -d pcache > $LOG2 2>&1 &
CACHEPID=$!
if test $WAIT != 0 ; then
	echo CACHEPID $CACHEPID
	read foo
fi
KILLPIDS="$KILLPIDS $CACHEPID"

sleep 1

echo "Using ldapsearch to check that proxy slapd is running..."
for i in 0 1 2 3 4 5; do
	$LDAPSEARCH -s base -b "$MONITOR" -h $LOCALHOST -p $PORT2 \
		-D "cn=Manager,dc=example,dc=com" -w secret 'objectclass=*' > /dev/null 2>&1
	RC=$?
	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

cat /dev/null > $SEARCHOUT

echo "Making queries on the proxy cache..." 
CNT=0


CNT=`expr $CNT + 1`
USERDN="cn=James A Jones 1,ou=Alumni Association,ou=People,dc=example,dc=com"
UPASSWD="jaj"
echo "Query $CNT: $USERDN"
echo "# Query $CNT: $USERDN" >> $SEARCHOUT

$LDAPSEARCH -S "" -b "dc=example,dc=com" -s SUB -h $LOCALHOST -p $PORT2 \
	-D "$USERDN" -w "$UPASSWD" "(sn=je*)" sn >> $SEARCHOUT 2>> $TESTOUT
RC=$?

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

# Check that the bind is cached
grep "CACHING BIND for $USERDN" $LOG2 > /dev/null

RC=$?
if test $RC != 0 ; then
	echo "Refresh failed"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS && wait
	exit 1
fi

CNT=`expr $CNT + 1`
USERDN="cn=James A Jones 1,ou=Alumni Association,ou=People,dc=example,dc=com"
UPASSWD="jaj"
echo "Query $CNT: (Bind should be cached)"
echo "# Query $CNT: (Bind should be cached)" >> $SEARCHOUT

$LDAPSEARCH -S "" -b "dc=example,dc=com" -s SUB -h $LOCALHOST -p $PORT2 \
	-D "$USERDN" -w "$UPASSWD" "(sn=je*)" sn >> $SEARCHOUT 2>> $TESTOUT

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

grep "CACHED BIND for $USERDN" $LOG2 > /dev/null
RC=$?
if test $RC != 0 ; then
	echo "Refresh failed"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS && wait
	exit 1
fi

CNT=`expr $CNT + 1`
USERDN="cn=James A Jones 1,ou=Alumni Association,ou=People,dc=example,dc=com"

echo "Query $CNT: (Bind should be cached)"
echo "# Query $CNT: (Bind should be cached)" >> $SEARCHOUT
$LDAPSEARCH -S "" -b "dc=example,dc=com" -s SUB -h $LOCALHOST -p $PORT2 \
	-D "$USERDN" -w "$UPASSWD" "(sn=je*)" sn >> $SEARCHOUT 2>> $TESTOUT

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

RC=`grep "CACHED BIND for $USERDN" $LOG2 | wc -l`
if test $RC != 2 ; then
	echo "Bind wasn't answered from cache"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS && wait
	exit 1
fi

echo "=== New search on (sn=jo*)"
cat /dev/null > $SEARCHOUT
echo "# Query $CNT: (Bind should be cached)" >> $SEARCHOUT
$LDAPSEARCH -S "" -b "dc=example,dc=com" -s SUB -h $LOCALHOST -p $PORT2 \
	-D "$USERDN" -w "$UPASSWD" "(sn=jo*)" sn >> $SEARCHOUT 2>> $TESTOUT

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

RC=`grep "CACHED BIND for $USERDN" $LOG2 | wc -l`
if test $RC != 3 ; then
	echo "Bind wasn't answered from cache"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS && wait
	exit 1
fi

RC=`grep "QUERY NOT ANSWERABLE" $LOG2 | wc -l`
if test $RC != 3 ; then
	echo "Search wasn't searched on remote peer"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS && wait
	exit 1
fi

RC=`grep "dn: cn=James A Jones 1,ou=Alumni Association,ou=People,dc=example,dc=com" $SEARCHOUT | wc -l`
if test $RC != 1 ; then
	echo "Search wasn't retrieved on remote peer"
	test $KILLSERVERS != no && kill -HUP $KILLPIDS && wait
	exit 1
fi

echo "Test succeeded"

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

test $KILLSERVERS != no && wait

exit 0
