#!/bin/sh
#
# Check if a jail is on or not
# Usage: is-on <jailname>
#

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

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

jail="${1}"
return=1
if [ -f "${JAILDIR}/${jail}/${SSHD_PID}" ]; then
    pid=$(cat "${JAILDIR}/${jail}/${SSHD_PID}")
    ps -p "${pid}" > /dev/null && return=0
fi
if [ "${return}" -eq 1 ]; then
    rm -f "${JAILDIR}/${jail}/${SSHD_PID}"
    grep -q "${JAILDIR}/${jail}/proc" /proc/mounts && umount --lazy "${JAILDIR}/${jail}/proc/"
    grep -q "${JAILDIR}/${jail}/dev" /proc/mounts && umount --lazy --recursive "${JAILDIR}/${jail}/dev"
fi
exit "${return}"