runbwtest

#!/bin/bash

set -eu

if [[ -f ~/.runbwtestrc ]]; then
	. ~/.runbwtestrc
fi

: ${port:=55522}
: ${serveropts:="-D -d"}
: ${clientopts:="127.0.0.1"}
: ${prefix:=""}

sshOpt=""
sshdOpt=""
alt=0
none=0
inf=0

while getopts ":c:d:ahn0" opt; do
	case "${opt}" in
		c)
			sshOpt="${OPTARG}"
			;;
		d)
			sshdOpt="${OPTARG}"
			;;
		a)
			alt=1;
			;;
		h)
			sshOpt="hpnssh"
			sshdOpt="hpnsshd"
			;;
		n)
			none=1;
			;;
		0)
			inf=1;
			;;
	esac
done
shift $((OPTIND-1))

scriptdir="$(dirname -- "$( readlink -f -- "$0"; )";)"
logfile="${scriptdir}/sshd.log"
ddcmd="${scriptdir}/mwdd"

if [[ -n "${sshOpt}" ]]; then
	if [[ "${sshOpt}" == /* ]]; then
		sshcmd="${sshOpt}"
	else
		sshcmd="${prefix}/bin/${sshOpt}"
	fi
else
	sshcmd="${prefix}/bin/ssh"
fi

if [[ -n "${sshdOpt}" ]]; then
	if [[ "${sshdOpt}" == /* ]]; then
		sshdcmd="${sshdOpt}"
	else
		sshdcmd="${prefix}/sbin/${sshdOpt}"
	fi
else
	rawdir="$(dirname "${sshcmd}")/../sbin"
	dir=$(realpath ${rawdir})
	file=$(basename "${sshcmd}")
	sshdcmd="${dir}/${file}d"
fi

sshddate=$(date -r "${sshdcmd}")
sshdate=$(date -r "${sshcmd}")

echo "Now:                  $(date)"
echo "Server last modified: ${sshddate}"
echo "Cliend last modified: ${sshdate}"
echo
echo "Starting server..."

cmdopts="${serveropts} -p ${port}"
if [[ ${none} -eq 1 ]]; then
	cmdopts="${cmdopts} -o NoneEnabled=yes -o NoneMacEnabled=yes"
fi
echo "\""${sshdcmd}"\"" ${cmdopts} "&>""${logfile}"
"${sshdcmd}" ${cmdopts} &>"${logfile}" &

echo "Backgrounded. Writing log to \"${logfile}\"."
echo

sleep 3

echo "Starting client..."

cmdopts="${clientopts} -p ${port}"
if [[ ${none} -eq 1 ]]; then
	cmdopts="${cmdopts} -o NoneEnabled=yes -o NoneMacEnabled=yes -o NoneSwitch=yes"
else
	cmdopts="${cmdopts} -c chacha20-poly1305@openssh.com"
fi
ddopts="bs=1M iflag=fullblock"
if [[ ${inf} == "0" ]]; then
	ddopts="${ddopts} count=51200"
fi

if [[ ${alt} == "0" ]]; then
	echo "dd if=/dev/zero ${ddopts} | \"${sshcmd}\" ${cmdopts} \"cat - > /dev/null\""
	${ddcmd} if=/dev/zero ${ddopts} | "${sshcmd}" ${cmdopts} "cat - > /dev/null"
else
	echo "\"${sshcmd}\" ${cmdopts} \"dd of=/dev/null ${ddopts}\" < /dev/zero"
	"${sshcmd}" ${cmdopts} "${ddcmd} of=/dev/null ${ddopts}" < /dev/zero
fi