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#!/bin/sh

# PROVIDE: postsrsd
# REQUIRE: DAEMON
# BEFORE: mail
# KEYWORD: shutdown

# Define these postsrsd_* variables in one of these files:
#	/etc/rc.conf
#	/etc/rc.conf.local
#	/etc/rc.conf.d/postsrsd
#
# postsrsd_enable (bool):   Set to "NO" by default.
#                           Set it to "YES" to enable postsrsd.
# postsrsd_uid (str):       Set username to run postsrsd.
# postsrsd_secret (str):    Secret file file. See postsrsd(8)
# postsrsd_domain (str):    Local domain name: rewrite to originate from this domain
# postsrsd_exclude_domains (str):      Domains to exclude (comma-separated list)
# postsrsd_forward_port (int): Port to listen for forward map
# postsrsd_reverse_port (int): Port to listen for reverse map
# postsrsd_idle_timeout (int): Timeout for idle client connection
# postsrsd_flags (str):     Flags passed to start command.

. /etc/rc.subr

name="postsrsd"
rcvar=postsrsd_enable

start_precmd="postsrsd_prepcmd"
stop_postcmd="postsrsd_postcmd"
command="%%PREFIX%%/sbin/postsrsd"
_piddir="/var/run/postsrsd"
pidfile="${_piddir}/${name}.pid"

load_rc_config $name

#
# DO NOT CHANGE THESE DEFAULT VALUES HERE
#
: ${postsrsd_enable="NO"}
: ${postsrsd_domain=`/bin/hostname`}
: ${postsrsd_uid="mailnull"}
: ${postsrsd_secret="%%PREFIX%%/etc/postsrsd.secret"}
: ${postsrsd_forward_port="10001"}
: ${postsrsd_reverse_port="10002"}
: ${postsrsd_idle_timeout="1800"}
: ${postsrsd_exclude_domains=""}

# Options other than above can be set with $postsrsd_flags.
# see postsrsd documentation for detail.

[ -n "${postsrsd_uid}" ] && _uid_prefix="-u"
[ -n "${postsrsd_domain}" ] && cmd_args="-d ${postsrsd_domain}"
[ -n "${postsrsd_secret}" ] && cmd_args="${cmd_args} -s ${postsrsd_secret}"
[ -n "${postsrsd_forward_port}" ] && cmd_args="${cmd_args} -f ${postsrsd_forward_port}"
[ -n "${postsrsd_reverse_port}" ] && cmd_args="${cmd_args} -r ${postsrsd_reverse_port}"
[ -n "${postsrsd_idle_timeout}" ] && cmd_args="${cmd_args} -t ${postsrsd_idle_timeout}"
[ -n "${postsrsd_exclude_domains}" ] && cmd_args="${cmd_args} -X${postsrsd_exclude_domains}"

command_args=" -D ${_uid_prefix} ${postsrsd_uid} -p ${pidfile} ${cmd_args} ${postsrsd_flags}"

postsrsd_prepcmd ()
{
    if [ ! -d ${_piddir} ] ; then
	mkdir -p ${_piddir}
    fi
    if [ -n "${postsrsd_uid}" ] ; then
	chown ${postsrsd_uid} ${_piddir}
    fi
    if [ ! -f "${postsrsd_secret}" ] ; then
	env -i tr -cd "[:alnum:]" < /dev/urandom | head -c 24 > "${postsrsd_secret}"
    fi
}

postsrsd_postcmd()
{
    # just if the directory is empty
    rmdir ${_piddir} > /dev/null 2>&1
}

# to let rc.subr kill them all
unset pidfile

run_rc_command "$1"