#!/bin/sh
#
# Set or get ssh port of <jailname>
# Usage: port <jailname> [<port>|auto]
#

LIBDIR="$(dirname $0)" && . "${LIBDIR}/config"

jail="${1:-}"
port="${2:-}"
if [ ! -n "${jail}" ]; then
    "${LIBDIR}/bkctld-help" && exit 1
fi
[ -d "${JAILDIR}/${jail}" ] || error "${jail} : inexistant jail'"

if [ -z "${port}" ]; then
    grep -E "Port [0-9]+" "${JAILDIR}/${jail}/${SSHD_CONFIG}"|grep -oE "[0-9]+"
else
    if [ "${port}" = "auto" ]; then
        port=$(grep -h Port "${JAILDIR}"/*/"${SSHD_CONFIG}" 2>/dev/null | grep -Eo "[0-9]+" | sort -n | tail -1)
        port=$((port+1))
        [ "${port}" -le 1 ] && port=2222
    fi
    sed -i "s/^Port .*/Port ${port}/" "${JAILDIR}/$jail/${SSHD_CONFIG}"
    notice "${jail} : update port => ${port}"
    "${LIBDIR}/bkctld-reload" "${jail}"
    "${LIBDIR}/bkctld-firewall" "${jail}"
fi