#!/bin/sh

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

. /etc/rc.subr

# Copyright (c) 2021, The JMBG Network.  All rights reserved.

name="openarc"
rcvar=openarc_enable

extra_commands="reload"
start_precmd="openarc_prepcmd"
start_postcmd="openarc_start_postcmd"
stop_postcmd="openarc_postcmd"
command="/usr/local/sbin/openarc"
_piddir="/var/run/openarc"
pidfile="${_piddir}/pid"
sig_reload="USR1"

load_rc_config $name

#
# DO NOT CHANGE THESE DEFAULT VALUES HERE
#
: ${openarc_enable="NO"}
: ${openarc_uid="mailnull"}
: ${openarc_gid="mailnull"}
: ${openarc_cfgfile="/usr/local/etc/openarc/openarc.conf"}
: ${openarc_socket_perms="0755"}

# Options other than above can be set with $openarc_flags.

if [ -n "$2" ]; then
    profile="$2"
    if [ "x${openarc_profiles}" != "x" ]; then
        pidfile="${_piddir}/${profile}.pid"
        eval openarc_enable="\${openarc_${profile}_enable:-${openarc_enable}}"
        eval openarc_socket="\${openarc_${profile}_socket:-}"
        eval openarc_socket_perms="\${openarc_${profile}_socket_perms:-}"
        if [ "x${openarc_socket}" = "x" ];then
            echo "You must define a socket (openarc_${profile}_socket)"
            exit 1
        fi
        eval openarc_cfgfile="\${openarc_${profile}_cfgfile:-${openarc_cfgfile}}"
        eval openarc_domain="\${openarc_${profile}_domain:-${openarc_domain}}"
        eval openarc_key="\${openarc_${profile}_key:-${openarc_key}}"
        eval openarc_selector="\${openarc_${profile}_selector:-${openarc_selector}}"
        eval openarc_alg="\${openarc_${profile}_alg:-${openarc_alg}}"
        eval openarc_flags="\${openarc_${profile}_flags:-${openarc_flags}}"
        if [ -f "${openarc_cfgfile}" ];then
            openarc_cfgfile="-c ${openarc_cfgfile}"
        else
            openarc_cfgfile=""
        fi
        if [ "x${openarc_socket}" != "x" ];then
            _socket_prefix="-p"
        fi
        if [ "x${openarc_uid}" != "x" ];then
            _uid_prefix="-u"
            if [ "x${openarc_gid}" != "x" ];then
                openarc_uid=${openarc_uid}:${openarc_gid}
            fi
        fi
        if [ "x${openarc_domain}" != "x" ];then
            openarc_domain="-d ${openarc_domain}"
        fi
        if [ "x${openarc_key}" != "x" ];then
            openarc_key="-k ${openarc_key}"
        fi
        if [ "x${openarc_selector}" != "x" ];then
            openarc_selector="-s ${openarc_selector}"
        fi
        if [ "x${openarc_alg}" != "x" ];then
            openarc_alg="-S ${openarc_alg}"
        fi
        command_args="-l ${_socket_prefix} ${openarc_socket} ${_uid_prefix} ${openarc_uid} -P ${pidfile} ${openarc_cfgfile} ${openarc_domain} ${openarc_key} ${openarc_selector} ${openarc_alg}"
    else
        echo "$0: extra argument ignored"
    fi
else
    if [ "x${openarc_profiles}" != "x" -a "x$1" != "x" ]; then
        if [ "x$1" != "xrestart" ]; then
            for profile in ${openarc_profiles}; do
                echo "===> openarc profile: ${profile}"
                /usr/local/etc/rc.d/openarc $1 ${profile}
                retcode="$?"
                if [ "0${retcode}" -ne 0 ]; then
                    failed="${profile} (${retcode}) ${failed:-}"
                else
                    success="${profile} ${success:-}"
                fi
            done
            exit 0
        else
            restart_precmd=""
        fi
    else
        if [ -f "${openarc_cfgfile}" ];then
            openarc_cfgfile="-c ${openarc_cfgfile}"
        else
            openarc_cfgfile=""
        fi
        if [ "x${openarc_socket}" != "x" ];then
            _socket_prefix="-p"
        fi
        if [ "x${openarc_uid}" != "x" ];then
            _uid_prefix="-u"
            if [ "x${openarc_gid}" != "x" ];then
                openarc_uid=${openarc_uid}:${openarc_gid}
            fi
        fi
        if [ "x${openarc_domain}" != "x" ];then
            openarc_domain="-d ${openarc_domain}"
        fi
        if [ "x${openarc_key}" != "x" ];then
            openarc_key="-k ${openarc_key}"
        fi
        if [ "x${openarc_selector}" != "x" ];then
            openarc_selector="-s ${openarc_selector}"
        fi
        if [ "x${openarc_alg}" != "x" ];then
            openarc_alg="-S ${openarc_alg}"
        fi
        command_args="-l ${_socket_prefix} ${openarc_socket} ${_uid_prefix} ${openarc_uid} -P ${pidfile} ${openarc_cfgfile} ${openarc_domain} ${openarc_key} ${openarc_selector} ${openarc_alg}"
    fi
fi

openarc_prepcmd ()
{
    if [ -S ${openarc_socket##local:} ] ; then
        rm -f ${openarc_socket##local:}
    elif [ -S ${openarc_socket##unix:} ] ; then
        rm -f ${openarc_socket##unix:}
    fi
    if [ ! -d ${_piddir} ] ; then
        mkdir -p ${_piddir}
    fi
    if [ -n "${openarc_uid}" ] ; then
        chown ${openarc_uid} ${_piddir}
    fi
    if [ -n "${openarc_gid}" ] ; then
       chgrp ${openarc_gid} ${_piddir}
    fi
    chmod ${openarc_socket_perms} ${_piddir}
}

openarc_start_postcmd ()
{
    if [ "x${openarc_socket}" != "x" ] ; then
        # postcmd is executed too fast and socket is not created before checking...
        sleep 1
        if [ -S ${openarc_socket##local:} ] ; then
            chmod ${openarc_socket_perms} ${openarc_socket##local:}
        elif [ -S ${openarc_socket##unix:} ] ; then
            chmod ${openarc_socket_perms} ${openarc_socket##unix:}
        fi
    fi
}

openarc_postcmd()
{
    if [ "x${openarc_socket}" != "x" ] ; then
        if [ -S ${openarc_socket##local:} ] ; then
            rm -f ${openarc_socket##local:}
        elif [ -S ${openarc_socket##unix:} ] ; then
            rm -f ${openarc_socket##unix:}
        fi
    fi
    # just if the directory is empty
    rmdir ${_piddir} > /dev/null 2>&1
}

run_rc_command "$1"