#!/bin/sh

# Copyright (C) 2017-2018 Red Hat, Inc.
#
# Author: Nikos Mavrogiannopoulos
#
# This file is part of GnuTLS.
#
# GnuTLS is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 3 of the License, or (at
# your option) any later version.
#
# GnuTLS is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>
#

srcdir="${srcdir:-.}"
SERV="${SERV:-../src/gnutls-serv${EXEEXT}}"
DCLI="${DCLI:-../src/gnutls-cli-debug${EXEEXT}}"
OUTFILE=cli-debug.$$.tmp
TMPFILE=config.$$.tmp
unset RETCODE

if ! test -x "${SERV}"; then
	exit 77
fi

if ! test -x "${DCLI}"; then
	exit 77
fi

if test "${WINDIR}" != ""; then
	exit 77
fi 

if ! test -z "${VALGRIND}"; then
	VALGRIND="${LIBTOOL:-libtool} --mode=execute ${VALGRIND} --error-exitcode=15"
fi


SERV="${SERV} -q"

. "${srcdir}/scripts/common.sh"

check_for_datefudge


KEY1=${srcdir}/../doc/credentials/x509/key-rsa.pem
CERT1=${srcdir}/../doc/credentials/x509/cert-rsa.pem
KEY2=${srcdir}/../doc/credentials/x509/key-ecc.pem
CERT2=${srcdir}/../doc/credentials/x509/cert-ecc.pem
KEY3=${srcdir}/../doc/credentials/x509/key-rsa-pss.pem
CERT3=${srcdir}/../doc/credentials/x509/cert-rsa-pss.pem
KEY4=${srcdir}/../doc/credentials/x509/key-gost12.pem
CERT4=${srcdir}/../doc/credentials/x509/cert-gost12.pem
CAFILE=${srcdir}/../doc/credentials/x509/ca.pem
TMPFILE=outcert.$$.tmp

# TLS1.1 and TLS1.2 test
echo "Checking output of gnutls-cli-debug for TLS1.1 and TLS1.2 server"

eval "${GETPORT}"
launch_server $$ --echo --priority "NORMAL:-VERS-ALL:+VERS-TLS1.2:+VERS-TLS1.1" --x509keyfile ${KEY1} --x509certfile ${CERT1} \
	--x509keyfile ${KEY2} --x509certfile ${CERT2} --x509keyfile ${KEY3} --x509certfile ${CERT3} >/dev/null 2>&1
PID=$!
wait_server ${PID}

timeout 1800 datefudge "2017-08-9" \
"${DCLI}" -p "${PORT}" localhost >$OUTFILE 2>&1 || fail ${PID} "gnutls-cli-debug run should have succeeded!"

kill ${PID}
wait

check_text() {
	echo " - Checking ${OUTFILE} for \"$1\""
	grep "$1" $OUTFILE >/dev/null
	if test $? != 0; then
		echo "failed"
		exit 1
	fi
}

check_text "whether we need to disable TLS 1.2... no"
check_text "for TLS 1.0 (RFC2246) support... no"
check_text "for TLS 1.1 (RFC4346) support... yes"
check_text "for TLS 1.2 (RFC5246) support... yes"
check_text "TLS1.2 neg fallback from TLS 1.6 to... TLS1.2"
check_text "for safe renegotiation (RFC5746) support... yes"
check_text "for encrypt-then-MAC (RFC7366) support... yes"
check_text "for ext master secret (RFC7627) support... yes"
check_text "for RFC7919 Diffie-Hellman support... yes"
check_text "for RSA key exchange support... yes"
check_text "for curve SECP256r1 (RFC4492)... yes"
check_text "for AES-GCM cipher (RFC5288) support... yes"
check_text "for SHA1 MAC support... yes"
if test "${GNUTLS_FORCE_FIPS_MODE}" != 1; then
	#these tests are not run in FIPS mode
	check_text "for MD5 MAC support... no"
	check_text "for ARCFOUR 128 cipher (RFC2246) support... no"
	check_text "for CHACHA20-POLY1305 cipher (RFC7905) support... yes"
fi

rm -f ${OUTFILE}

# TLS1.3 and TLS1.2 test
echo ""
echo "Checking output of gnutls-cli-debug for TLS1.3 and TLS1.2 server"

eval "${GETPORT}"
launch_server $$ --echo --priority "NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2" --x509keyfile ${KEY1} --x509certfile ${CERT1} \
	--x509keyfile ${KEY2} --x509certfile ${CERT2} --x509keyfile ${KEY3} --x509certfile ${CERT3} >/dev/null 2>&1
PID=$!
wait_server ${PID}

timeout 1800 datefudge "2017-08-9" \
"${DCLI}" -p "${PORT}" localhost >$OUTFILE 2>&1 || fail ${PID} "gnutls-cli-debug run should have succeeded!"

kill ${PID}
wait

check_text "whether we need to disable TLS 1.2... no"
check_text "for TLS 1.0 (RFC2246) support... no"
check_text "for TLS 1.1 (RFC4346) support... no"
check_text "for TLS 1.2 (RFC5246) support... yes"
check_text "for TLS 1.3 (RFC8446) support... yes"
check_text "TLS1.2 neg fallback from TLS 1.6 to... TLS1.2"
check_text "for safe renegotiation (RFC5746) support... yes"
check_text "for encrypt-then-MAC (RFC7366) support... yes"
check_text "for ext master secret (RFC7627) support... yes"
check_text "for RFC7919 Diffie-Hellman support... yes"
check_text "for curve SECP256r1 (RFC4492)... yes"
check_text "for AES-GCM cipher (RFC5288) support... yes"
check_text "for RSA key exchange support... yes"
check_text "for SHA1 MAC support... yes"
check_text "whether the server accepts default record size (512 bytes)... yes"
check_text "whether %ALLOW_SMALL_RECORDS is required... no"

if test "${GNUTLS_FORCE_FIPS_MODE}" != 1; then
	#these tests are not run in FIPS mode
	check_text "for MD5 MAC support... no"
	check_text "for ARCFOUR 128 cipher (RFC2246) support... no"
	check_text "for CHACHA20-POLY1305 cipher (RFC7905) support... yes"
fi

rm -f ${OUTFILE}

# Small records test
echo ""
echo "Checking output of gnutls-cli-debug for small records and no RSA"

eval "${GETPORT}"
launch_server $$ --echo --priority "NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2:-RSA:%ALLOW_SMALL_RECORDS" --x509keyfile ${KEY1} --x509certfile ${CERT1} \
	--x509keyfile ${KEY2} --x509certfile ${CERT2} --x509keyfile ${KEY3} --x509certfile ${CERT3} --recordsize=64 >/dev/null 2>&1
PID=$!
wait_server ${PID}

timeout 1800 datefudge "2017-08-9" \
"${DCLI}" -p "${PORT}" localhost >$OUTFILE 2>&1 || fail ${PID} "gnutls-cli-debug run should have succeeded!"

kill ${PID}
wait

check_text "whether the server accepts default record size (512 bytes)... no"
check_text "whether %ALLOW_SMALL_RECORDS is required... yes"
check_text "for RSA key exchange support... no"

echo ""
echo "Checking output of gnutls-cli-debug when algorithms are disabled"
eval "${GETPORT}"
launch_server $$ --echo --priority "NORMAL:-VERS-ALL:+VERS-TLS1.3:+VERS-TLS1.2" --x509keyfile ${KEY1} --x509certfile ${CERT1} \
	--x509keyfile ${KEY2} --x509certfile ${CERT2} --x509keyfile ${KEY3} --x509certfile ${CERT3} >/dev/null 2>&1
PID=$!
wait_server ${PID}

cat <<_EOF_ > ${TMPFILE}
[overrides]

tls-disabled-cipher = CAMELLIA-128-CBC
tls-disabled-cipher = CAMELLIA-256-CBC
_EOF_
export GNUTLS_SYSTEM_PRIORITY_FILE="${TMPFILE}"

timeout 1800 datefudge "2017-08-9" \
"${DCLI}" -p "${PORT}" localhost >$OUTFILE 2>&1 || fail ${PID} "gnutls-cli-debug run should have succeeded!"

unset GNUTLS_SYSTEM_PRIORITY_FILE

kill ${PID}
wait

check_text "for AES-GCM cipher (RFC5288) support... yes"
check_text "for RSA key exchange support... yes"
check_text "for SHA1 MAC support... yes"

rm -f ${OUTFILE}
rm -f ${TMPFILE}

if test "${ENABLE_GOST}" = "1" && test "${GNUTLS_FORCE_FIPS_MODE}" != 1 ; then
	# GOST_CNT test
	echo ""
	echo "Checking output of gnutls-cli-debug for GOST-enabled server"

	eval "${GETPORT}"
	launch_server $$ --echo --priority "NORMAL" --x509keyfile ${KEY4} --x509certfile ${CERT4} >/dev/null 2>&1
	PID=$!
	wait_server ${PID}

	timeout 1800 datefudge "2017-08-9" \
	"${DCLI}" -p "${PORT}" localhost >$OUTFILE 2>&1 || fail ${PID} "gnutls-cli-debug run should have succeeded!"

	kill ${PID}
	wait

	check_text "for VKO GOST-2012 (draft-smyshlyaev-tls12-gost-suites) support... yes"
	check_text "for GOST28147-CNT cipher (draft-smyshlyaev-tls12-gost-suites) support... yes"
	check_text "for GOST28147-IMIT MAC (draft-smyshlyaev-tls12-gost-suites) support... yes"

	rm -f ${OUTFILE}

fi

exit 0