#!/bin/sh

# Copyright (C) 2019 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 General Public License
# along with GnuTLS.  If not, see <https://www.gnu.org/licenses/>.

: ${srcdir=.}
: ${SERV=../src/gnutls-serv${EXEEXT}}
: ${CLI=../src/gnutls-cli${EXEEXT}}
TMPFILE=config.$$.tmp
TMPFILE2=log.$$.tmp
export GNUTLS_SYSTEM_PRIORITY_FAIL_ON_INVALID=1

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

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

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

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

cat <<_EOF_ > ${TMPFILE}
[global]
override-mode = allowlist

[overrides]
enabled-version = tls1.1
_EOF_

export GNUTLS_SYSTEM_PRIORITY_FILE="${TMPFILE}"
export GNUTLS_DEBUG_LEVEL=3

"${CLI}" --list --priority=@SYSTEM | grep Protocols >${TMPFILE2}
cat ${TMPFILE2}
if grep 'VERS-TLS1\.[23]' ${TMPFILE2}; then
	echo "Found disabled protocol with --list"
	exit 1
fi

PRIO=@SYSTEM:+CIPHER-ALL:+MAC-ALL:+GROUP-ALL

"${CLI}" --priority "$PRIO" --list | grep Protocols >${TMPFILE2}
cat ${TMPFILE2}
if grep 'VERS-TLS1\.[23]' ${TMPFILE2}; then
	echo "Found disabled protocol with --list --priority $PRIO"
	exit 1
fi

# Try whether a client connection with these protocols will succeed.

KEY1=${srcdir}/../doc/credentials/x509/key-rsa.pem
CERT1=${srcdir}/../doc/credentials/x509/cert-rsa.pem

unset GNUTLS_SYSTEM_PRIORITY_FILE

eval "${GETPORT}"
launch_server --echo --priority "NORMAL:-VERS-ALL:+VERS-TLS1.2:+VERS-TLS1.3" --x509keyfile ${KEY1} --x509certfile ${CERT1}
PID=$!
wait_server ${PID}

export GNUTLS_SYSTEM_PRIORITY_FILE="${TMPFILE}"

"${CLI}" -p "${PORT}" 127.0.0.1 --priority "$PRIO" --insecure --logfile ${TMPFILE2} </dev/null >/dev/null &&
	fail "expected connection to fail (1)"

kill ${PID}
wait

# Try whether a server connection with these protocols will succeed.

KEY1=${srcdir}/../doc/credentials/x509/key-rsa.pem
CERT1=${srcdir}/../doc/credentials/x509/cert-rsa.pem

eval "${GETPORT}"
launch_server --echo --priority "$PRIO" --x509keyfile ${KEY1} --x509certfile ${CERT1}
PID=$!
wait_server ${PID}

unset GNUTLS_SYSTEM_PRIORITY_FILE

"${CLI}" -p "${PORT}" 127.0.0.1 --priority "NORMAL:-VERS-ALL:+VERS-TLS1.2:+VERS-TLS1.3" --insecure --logfile ${TMPFILE2} </dev/null >/dev/null &&
	fail "expected connection to fail (2)"

kill ${PID}
wait

exit 0