#!/bin/sh
#
# Copyright (c) 2006 Kungliga Tekniska Högskolan
# (Royal Institute of Technology, Stockholm, Sweden). 
# All rights reserved. 
#
# Redistribution and use in source and binary forms, with or without 
# modification, are permitted provided that the following conditions 
# are met: 
#
# 1. Redistributions of source code must retain the above copyright 
#    notice, this list of conditions and the following disclaimer. 
#
# 2. Redistributions in binary form must reproduce the above copyright 
#    notice, this list of conditions and the following disclaimer in the 
#    documentation and/or other materials provided with the distribution. 
#
# 3. Neither the name of the Institute nor the names of its contributors 
#    may be used to endorse or promote products derived from this software 
#    without specific prior written permission. 
#
# THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
# ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
# SUCH DAMAGE. 
#
# $Id$
#

srcdir="@srcdir@"
objdir="@objdir@"

R=EXAMPLE.ORG

port=8888

kadmin="../../kadmin/kadmin -l -r $R"
kdc="../../kdc/kdc --addresses=localhost -P $port"

server=host/datan.example.org
cache="FILE:${objdir}/cache.krb5"
ocache="FILE:${objdir}/ocache.krb5"
keytabfile=${objdir}/server.keytab
keytab="FILE:${keytabfile}"

kinit="../../kuser/kinit -c $cache --no-afslog"
klist="../../kuser/klist -c $cache"
kdigest="../../kuser/kdigest --ccache=$cache"

username=foo
password=foobarbaz

KRB5_CONFIG="${objdir}/krb5.conf"
export KRB5_CONFIG

rm -f ${keytabfile}
rm -f current-db*
rm -f out-*
rm -f mkey.file*

echo Creating database
${kadmin} \
    init \
    --realm-max-ticket-life=1day \
    --realm-max-renewable-life=1month \
    ${R} || exit 1

${kadmin} add -p $password --use-defaults ${username}@${R} || exit 1
${kadmin} add -p kaka --use-defaults ${server}@${R} || exit 1
${kadmin} add -p kaka --use-defaults digest/${R}@${R} || exit 1
${kadmin} modify --attributes=+allow-digest ${server}@${R} || exit 1
${kadmin} ext -k ${keytab} ${server}@${R} || exit 1

echo "Doing database check"
${kadmin} check ${R} || exit 1

echo $password > ${objdir}/foopassword

echo Starting kdc
${kdc} &
kdcpid=$!
sleep 2

if tail -1 messages.log | grep "No sockets" ; then
    echo "The KDC failed to bind to any sockets, another KDC running ?"
    exit 1
fi

exitcode=0

echo "Getting digest server tickets"
${kinit} --password-file=${objdir}/foopassword ${username}@$R || exitcode=1
${kdigest} server-init \
    --kerberos-realm=${R} \
    --type=CHAP > /dev/null || exitcode=1

echo "Trying CHAP"

${kdigest} server-init \
    --kerberos-realm=${R} \
    --type=CHAP \
    > /dev/null || exitcode=1

${kdigest} server-init \
    --kerberos-realm=${R} \
    --type=CHAP \
    > sdigest-reply || exitcode=1

snonce=`grep server-nonce= sdigest-reply | cut -f2- -d=`
identifier=`grep identifier= sdigest-reply | cut -f2- -d=`
opaque=`grep opaque= sdigest-reply | cut -f2- -d=`

${kdigest} client-request \
    --type=CHAP \
    --username="$username"  \
    --password="$password"  \
    --opaque="$opaque"  \
    --server-identifier="$identifier"  \
    --server-nonce="$snonce" \
    > cdigest-reply || exitcode=1

cresponseData=`grep responseData= cdigest-reply | cut -f2- -d=`

#echo user: $username
#echo server-nonce: $snonce
#echo opaqeue: $opaque
#echo identifier: $identifier

${kdigest} server-request \
    --kerberos-realm=${R} \
    --type=CHAP \
    --username="$username"  \
    --opaque="$opaque"  \
    --server-identifier="$identifier"  \
    --server-nonce="$snonce"  \
    > s2digest-reply || exitcode=1

sresponseData=`grep responseData= s2digest-reply | cut -f2- -d=`

if test "$cresponseData" = "$sresponseData" ; then
    echo "CHAP response matches"
else
    echo "CHAP response doesnt match"
    exitcode=1
fi

echo "killing kdc (${kdcpid})"
kill $kdcpid || exit 1

exit $exitcode