#!/bin/bash
#
# Copyright (C) 2015 Red Hat
#
# This file is part of ocserv.
#
# ocserv 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 2 of the License, or (at
# your option) any later version.
#
# ocserv 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, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

OCCTL="${OCCTL:-../src/occtl/occtl}"
SERV="${SERV:-../src/ocserv}"
srcdir=${srcdir:-.}
PORT=4497
OCCTL_SOCKET=./occtl-ban-$$.socket
PIDFILE=ocserv-pid.$$.tmp
OUTFILE=ban.$$.tmp

ADDRESS=10.213.2.1
CLI_ADDRESS=10.213.1.1
VPNNET=172.17.215.0/24
VPNADDR=172.17.215.1
VPNNET6=fc39:d561:62c6:861b:9f38:9734:9fa1:0/112
VPNADDR6=fc39:d561:62c6:861b:9f38:9734:9fa1:0

. `dirname $0`/common.sh
. `dirname $0`/ns.sh

update_config test-ban.config
if test "$VERBOSE" = 1;then
DEBUG="-d 3"
fi

function finish {
  set +e
  echo " * Cleaning up..."
  test -n "${PID}" && kill ${PID} >/dev/null 2>&1
  test -n "${PIDFILE}" && rm -f ${PIDFILE} >/dev/null 2>&1
  test -n "${CONFIG}" && rm -f ${CONFIG} >/dev/null 2>&1
  test -n "${OUTFILE}" && rm -f ${OUTFILE} >/dev/null 2>&1
}
trap finish EXIT

echo "Testing whether ban operates as expected... "

${CMDNS2} ${SERV} -p ${PIDFILE} -f -c ${CONFIG} ${DEBUG} & PID=$!

sleep 4

echo "Connecting with wrong password 5 times... "
echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3
echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3
echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3
echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3
echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3

echo ""
echo "Connecting with correct password... "
eval `echo "test" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3`

if [ -n "$COOKIE" ];then
	fail $PID "Obtained cookie although should have been banned"
fi

${OCCTL} -s ${OCCTL_SOCKET} show status >${OUTFILE}
if test $? != 0;then
	echo "occtl couldn't run!"
	exit 1
fi

grep "IPs in ban list: 1$" ${OUTFILE}
if test $? != 0;then
	echo "The banned list didn't contain the expected (1) entries!"
	cat ${OUTFILE}
	exit 1
fi

sleep 25
echo ""

echo "Connecting with correct password after ban time... "
eval `echo "test" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3`

if [ -z "$COOKIE" ];then
	fail $PID "Could not obtain cookie even though ban should be lifted"
fi

echo ""
echo "Checking ban reset time... "

echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3
echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3
echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3
echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3
sleep 11
echo "notest" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3

echo ""
echo "Connecting with correct password after ban reset time... "
eval `echo "test" | ${CMDNS1} ${OPENCONNECT} --passwd-on-stdin -q ${ADDRESS}:${PORT} -u test --authenticate --servercert=d66b507ae074d03b02eafca40d35f87dd81049d3`

if [ -z "$COOKIE" ];then
	fail $PID "Could not obtain cookie even though ban should be lifted"
fi

${OCCTL} -s ${OCCTL_SOCKET} show status >${OUTFILE}
if test $? != 0;then
	echo "occtl couldn't run!"
	exit 1
fi

grep "IPs in ban list: 0$" ${OUTFILE}
if test $? != 0;then
	echo "The banned list didn't contain the expected (0) entries!"
	cat ${OUTFILE}
	exit 1
fi


kill $PID
wait

exit 0