#! /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 $WITH_SASL = no ; then
	echo "SASL support not available, test skipped"
	exit 0
fi

CONFDIR=$TESTDIR/slapd.d
CONFLDIF=$TESTDIR/slapd.ldif

mkdir -p $TESTDIR $DBDIR1 $CONFDIR
cp -r $DATADIR/tls $TESTDIR
$SLAPPASSWD -g -n >$CONFIGPWF

echo "Starting KDC for SASL/GSSAPI tests..."
. $SRCDIR/scripts/setup_kdc.sh

echo "Configuring slapd..."
cat > $CONFLDIF <<EOF
dn: cn=config
objectClass: olcGlobal
cn: config
olcSaslHost: localhost
olcSaslRealm: $KRB5REALM
olcTLSCACertificateFile: $TESTDIR/tls/ca/certs/testsuiteCA.crt
olcTLSCertificateFile: $TESTDIR/tls/certs/localhost.crt
olcTLSCertificateKeyFile: $TESTDIR/tls/private/localhost.key

dn: cn=schema,cn=config
objectClass: olcSchemaConfig
cn: schema

include: file://$ABS_SCHEMADIR/core.ldif

dn: olcDatabase={0}config,cn=config
objectClass: olcDatabaseConfig
olcDatabase: {0}config
olcRootPW:< file://$TESTDIR/configpw

EOF
$SLAPADD -F $CONFDIR -n 0 -l $CONFLDIF
RC=$?
if test $RC != 0 ; then
	echo "slapadd failed ($RC)!"
	kill $KDCPROC
	exit $RC
fi

echo "Starting ldap:/// slapd on TCP/IP port $PORT1 and ldaps:/// slapd on $PORT2..."
$SLAPD -F $CONFDIR -h "$URI1 $SURI2" -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 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)!"
	kill $KDCPROC
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

$LDAPSEARCH -x -H $URI1 -s "base" -b "" supportedSASLMechanisms > $TESTOUT 2>&1
RC=$?
if test $RC != 0 ; then
	echo "ldapsearch failed ($RC)!"
	kill $KDCPROC
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

grep GSSAPI $TESTOUT
RC=$?
if test $RC != 0 ; then
	echo "failed: GSSAPI mechanism not in supportedSASLMechanisms."
	kill $KDCPROC
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
fi

echo -n "Using ldapwhoami with SASL/GSSAPI: "
$LDAPSASLWHOAMI -N -Y GSSAPI -H $URI1 > $TESTOUT 2>&1
RC=$?
if test $RC != 0 ; then
	echo "ldapwhoami failed ($RC)!"
	kill $KDCPROC
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
else
	echo "success"
fi

echo -n "Validating mapped SASL/GSSAPI ID: "
echo "dn:uid=$KUSER,cn=$KRB5REALM,cn=gssapi,cn=auth" > $TESTDIR/dn.out
$CMP $TESTDIR/dn.out $TESTOUT > $CMPOUT
RC=$?
if test $RC != 0 ; then
	echo "Comparison failed"
	kill $KDCPROC
	test $KILLSERVERS != no && kill -HUP $KILLPIDS
	exit $RC
else
	echo "success"
fi

if test $WITH_TLS = no ; then
	echo "SASL/GSSAPI: TLS support not available, skipping TLS part."
else
	echo -n "Using ldapwhoami with SASL/GSSAPI with start-tls: "
	$LDAPSASLWHOAMI -N -Y GSSAPI -H $URI1 -ZZ -o tls_reqcert=allow	\
		-o tls_cacert=$TESTDIR/tls/ca/certs/testsuiteCA.crt	\
		> $TESTOUT 2>&1
	RC=$?
	if test $RC != 0 ; then
		echo "ldapwhoami failed ($RC)!"
		kill $KDCPROC
		test $KILLSERVERS != no && kill -HUP $KILLPIDS
		exit $RC
	else
		echo "success"
	fi

	echo -n "Using ldapwhoami with SASL/GSSAPI with ldaps: "
	$LDAPSASLWHOAMI -N -Y GSSAPI -H $SURI2 -o tls_reqcert=allow	\
		-o tls_cacert=$TESTDIR/tls/ca/certs/testsuiteCA.crt	\
		> $TESTOUT 2>&1
	RC=$?
	if test $RC != 0 ; then
		echo "ldapwhoami failed ($RC)!"
		kill $KDCPROC
		test $KILLSERVERS != no && kill -HUP $KILLPIDS
		exit $RC
	else
		echo "success"
	fi
fi

if test $WITH_TLS = no ; then
	echo "TLS support not available, skipping channel-binding test"
elif test $HAVE_SASL_GSS_CBIND = no ; then
	echo "SASL has no channel-binding support in GSSAPI, test skipped"
else
	echo "Testing SASL/GSSAPI with SASL_CBINDING..."

	for acb in "none" "tls-unique" "tls-endpoint" ; do

		echo "Modifying slapd's olcSaslCBinding to ${acb} ..."
		$LDAPMODIFY -D cn=config -H $URI1 -y $CONFIGPWF <<EOF > $TESTOUT 2>&1
dn: cn=config
changetype: modify
replace: olcSaslCBinding
olcSaslCBinding: ${acb}
EOF
		RC=$?
		if test $RC != 0 ; then
			echo "ldapmodify failed ($RC)!"
			kill $KDCPROC
			test $KILLSERVERS != no && kill -HUP $KILLPIDS
			exit $RC
		fi

		for icb in "none" "tls-unique" "tls-endpoint" ; do

			# The gnutls implementation of "tls-unique" seems broken
			if test $icb = "tls-unique" -o $acb = "tls-unique" ; then
				if test $WITH_TLS_TYPE = gnutls ; then
					continue
				fi
			fi

			fail="no"
			if test $icb != $acb -a $acb != "none" ; then
				# This currently fails in MIT, but it is planned to be
				# fixed not to fail like in heimdal - avoid testing.
				if test $icb = "none" ; then
					continue
				fi
				# Otherwise unmatching bindings are expected to fail.
				fail="yes"
			fi

			echo -n "Using ldapwhoami with SASL/GSSAPI and SASL_CBINDING "
			echo -n "(client: ${icb}, server: ${acb}): "

			$LDAPSASLWHOAMI -N -Y GSSAPI -H $URI1 -ZZ -o tls_reqcert=allow	\
			-o tls_cacert=$TESTDIR/tls/ca/certs/testsuiteCA.crt	\
			-o SASL_CBINDING=$icb > $TESTOUT 2>&1

			RC=$?
			if test $RC != 0 ; then
				if test $fail = "no" ; then
					echo "test failed ($RC)!"
					kill $KDCPROC
					test $KILLSERVERS != no && kill -HUP $KILLPIDS
					exit $RC
				fi
			elif test $fail = "yes" ; then
				echo "failed: command succeeded unexpectedly."
				kill $KDCPROC
				test $KILLSERVERS != no && kill -HUP $KILLPIDS
				exit 1
			fi

			echo "success"
			RC=0
		done
	done
fi


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

if test $RC != 0 ; then
	echo ">>>>> Test failed"
else
	echo ">>>>> Test succeeded"
	RC=0
fi

test $KILLSERVERS != no && wait

exit $RC