root@unix:/usr/local/etc/rc.d # less vboxwebsrv
#!/bin/sh

# $FreeBSD: emulators/virtualbox-ose/files/vboxwebsrv.in 300896 2012-07-14 13:54:48Z beat $
#
# PROVIDE: vboxwebsrv
# REQUIRE: LOGIN
# KEYWORD: shutdown
#
# Add the following line to /etc/rc.conf[.local] to enable vboxwebsrv
#
# vboxwebsrv_enable (bool):     Set to "NO" by default.
#                               Set it to "YES" to enable vboxwebsrv.
# vboxwebsrv_user (str):        User account to run with.
# vboxwebsrv_flags (str):       Custom flags for vboxwebsrv.

. /etc/rc.subr

name=vboxwebsrv
rcvar=vboxwebsrv_enable

command="/usr/local/bin/vboxwebsrv"
command_args="-H 127.0.0.1"
pidfile="/var/run/${name}.pid"

start_cmd="${name}_start"

vboxwebsrv_start()
{
        local pid

        HOME=$(/usr/sbin/pw usershow -7 -n "${vboxwebsrv_user}" | /usr/bin/cut -d: -f6)
        pid=$(check_pidfile $pidfile $command)

        if [ -n "${pid}" ]; then
                echo "${name} already running? (pid=${pid})."
                return 1
        fi

        echo -n "Starting ${name}"
        /usr/bin/install -o ${vboxwebsrv_user} -g wheel -m 644 /dev/null ${pidfile}
        /usr/sbin/daemon -f -p ${pidfile} -u ${vboxwebsrv_user} ${command} ${vboxwebsrv_flags}
        echo '.'
}

load_rc_config $name

: ${vboxwebsrv_enable="NO"}
: ${vboxwebsrv_user="vboxusers"}

run_rc_command "$1"