#!/bin/bash
#
# Copyright (c) 2006 - 2008 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.

env_setup="@env_setup@"
objdir="@objdir@"

. ${env_setup}

KRB5_CONFIG="${objdir}/krb5-kinit.conf"
export KRB5_CONFIG
KRB5CCNAME="${objdir}/foocc"
export KRB5CCNAME

testfailed="echo test failed; exit 1"

# If there is no useful db support compiled in, disable test
${have_db} || exit 77

R=TEST.H5L.SE

port=@port@
pwport=@pwport@

kinit="${kinit} --password-file=${objdir}/foopassword ${afs_no_afslog} -c ${objdir}/foocc"
klist="${klist} -c ${objdir}/foocc"
kgetcred="${kgetcred} -c ${objdir}/foocc"
kdestroy="${kdestroy} ${afs_no_unlog}"
kadmin="${kadmin} -l -r $R"
kdc="${kdc} --addresses=localhost -P $port"


cache="FILE:${objdir}/cache.krb5"
keytabfile=${objdir}/server.keytab
keytab="FILE:${keytabfile}"

> messages.log

num_concurrent=50
num_princs=20
torture_time=200
cred_life=$((torture_time / 10))
cred_renew_life=$((torture_time / 2))
out=${objdir}/out-kinit-torture-kgetcred
kinit_out=${objdir}/out-kinit-torture-kinit

parent_shell_proc=$$

if (($# == 0)); then

    echo "This is a MANUAL test."

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

    cp "${objdir}/krb5.conf" "${objdir}/krb5-kinit.conf"

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

    echo "Adding foo"
    ${kadmin} add -p foo --use-defaults foo@${R} || exit 1

    echo "Creating torture principals"
    for i in $(seq 0 $((num_princs - 1)) ); do
	${kadmin} add -r --use-defaults svc${i}@${R} || exit 1
    done

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

    echo foo > ${objdir}/foopassword

    echo Starting kdc ; > messages.log
    ${kdc} --detach --testing || { echo "kdc failed to start"; cat messages.log; exit 1; }
    kdcpid=`getpid kdc`

    trap "kill -9 ${kdcpid}; echo signal killing kdc; exit 1;" EXIT

    ec=0
else
    echo "begin torture (output in $out)"
    secs=$(date +%s)
    cat /dev/null > "$out"
    while (($(date +%s) < (secs + torture_time) )); do
	echo .
	for i in $(seq 0 1000); do
	    printf '%d\n' $((i % num_princs))
	done | xargs -P $num_concurrent -I '{}' ${kgetcred} "svc{}@${R}"
	${klist} -v || exit 1
	if ! kill -0 $parent_shell_proc; then
	    printf 'Parent shell script exited; exiting'
	    exit 1
	    grep 'Matching credential .* not found' messages.log > /dev/null &&
		echo "THAT DID NOT WORK RIGHT"
	fi
	sleep 5
    done
    ${klist} -v
    exit 0
fi

echo "checking that we have tickets"
${kinit} -l $cred_life -r $cred_renew_life foo@${R} || { ec=1 ; eval "${testfailed}"; }
${klist} -v || { ec=1 ; eval "${testfailed}"; }
echo "torturing"
${kinit} -l $cred_life -r $cred_renew_life foo@${R} "$0" torture-me || { ec=1 ; eval "${testfailed}"; }

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

trap "" EXIT

exit $ec