#!/bin/sh

# psk.test
# copyright wolfSSL 2016

# getting unique port is modeled after resume.test script
# need a unique port since may run the same time as testsuite
# use server port zero hack to get one
port=0
no_pid=-1
server_pid=$no_pid
counter=0
# let's use absolute path to a local dir (make distcheck may be in sub dir)
# also let's add some randomness by adding pid in case multiple 'make check's
# per source tree
ready_file=`pwd`/wolfssl_psk_ready$$

echo "ready file $ready_file"

create_port() {
    while [ ! -s $ready_file -a "$counter" -lt 20 ]; do
        echo -e "waiting for ready file..."
        sleep 0.1
        counter=$((counter+ 1))
    done

    if test -e $ready_file; then
        echo -e "found ready file, starting client..."

        # get created port 0 ephemeral port
        port=`cat $ready_file`
    else
        echo -e "NO ready file ending test..."
        do_cleanup
    fi
}

remove_ready_file() {
    if test -e $ready_file; then
        echo -e "removing existing ready file"
    rm $ready_file
    fi
}

do_cleanup() {
    echo "in cleanup"

    if  [ $server_pid != $no_pid ]
    then
        echo "killing server"
        kill -9 $server_pid
    fi
    remove_ready_file
}

do_trap() {
    echo "got trap"
    do_cleanup
    exit -1
}

trap do_trap INT TERM

[ ! -x ./examples/client/client ] && echo -e "\n\nClient doesn't exist" && exit 1

# Usual psk server / psk client. This use case is tested in
# tests/unit.test and is used here for just checking if PSK is enabled
port=0
./examples/server/server -s -R $ready_file -p $port &
server_pid=$!
create_port
./examples/client/client -s -p $port
RESULT=$?
remove_ready_file
# if fail here then is a settings issue so return 0
if [ $RESULT -ne 0 ]; then
    echo -e "\n\nPSK not enabled"
    do_cleanup
    exit 0
fi
echo ""

# client test against the server
###############################

# usual psk server / psk client
port=0
./examples/server/server -j -R $ready_file -p $port &
server_pid=$!
create_port
./examples/client/client -s -p $port
RESULT=$?
remove_ready_file
if [ $RESULT -ne 0 ]; then
    echo -e "\n\nClient connection failed"
    do_cleanup
    exit 1
fi
echo ""

# Usual server / client. This use case is tested in
# tests/unit.test and is used here for just checking if cipher suite
# is available (one case for example is with disable-asn)
port=0
./examples/server/server -R $ready_file -p $port -l DHE-RSA-AES128-SHA:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-DES-CBC3-SHA &
server_pid=$!
create_port
./examples/client/client -p $port
RESULT=$?
remove_ready_file
# if fail here then is a settings issue so return 0
if [ $RESULT -ne 0 ]; then
    echo -e "\n\nIssue with choosen non PSK suites"
    do_cleanup
    exit 0
fi
echo ""

# psk server with non psk client
port=0
./examples/server/server -j -R $ready_file -p $port &
server_pid=$!
create_port
./examples/client/client -p $port
RESULT=$?
remove_ready_file
if [ $RESULT -ne 0 ]; then
    echo -e "\n\nClient connection failed"
    do_cleanup
    exit 1
fi
echo ""

# check fail if no auth, psk server with non psk client
echo "Checking fail when not sending peer cert"
port=0
./examples/server/server -j -R $ready_file -p $port &
server_pid=$!
create_port
./examples/client/client -x -p $port
RESULT=$?
remove_ready_file
if [ $RESULT -eq 0 ]; then
    echo -e "\n\nClient connected when supposed to fail"
    do_cleanup
    exit 1
fi

echo -e "\nALL Tests Passed"

exit 0