#	$OpenBSD: rc.subr,v 1.28 2011/03/19 19:03:57 ian Exp $

# Default functions and variables used by rc.d(8) scripts.

rc_err() {
	echo $1
	exit 1
}

rc_start() {
	${rcexec} "${daemon} ${daemon_flags} ${_bg}"
}

rc_check() {
	pkill -0 -f "^${pexp}"
}

rc_reload() {
	pkill -HUP -f "^${pexp}"
}

rc_stop() {
	pkill -f "^${pexp}"
}

rc_do() {
	if [ X"${RC_DEBUG}" = X"1" ]; then
		echo "doing $@" && "$@"
	else
		"$@" >/dev/null 2>&1
	fi
}

rc_print() {
	_ret=$?
	echo ${INRC:+'-n'} "${INRC:+ }${_name}($1)"
	return ${_ret}
}

rc_wait() {
	i=0
	while [ $i -lt 5 ]; do
		rc_do rc_check || return 0
		sleep 1
		i=$((i+1))
	done
	return 1
}

rc_cmd() {
	[ $(id -u) -eq 0 ] || \
		rc_err "$0: need root privileges"

	eval _enotsup=\${rc_${1}}
	[ X"${_enotsup}" != X"NO" ] || rc_err "$0: $1 is not supported"

	[ X"${rc_bg}" = X"YES" ] && local _bg="&"

	case "$1" in
	check)
		rc_do rc_check
		;;
	start)
		rc_do rc_check || \
			(
			if type rc_pre >/dev/null; then
				rc_do rc_pre
			fi
			[ $? -eq 0 ] && \
				rc_do rc_start && \
				rc_print ok || rc_print failed
			)
		;;
	stop)
		if rc_do rc_check; then rc_do rc_stop || \
			( rc_print failed ) && \
			(
				rc_do rc_wait &&
				(
				if type rc_post >/dev/null; then \
					rc_do rc_post
				fi
				) && rc_print ok || rc_print failed
			)
		else
			return 0
		fi
		;;
	reload)
		rc_do rc_check && rc_do rc_reload
		;;
	restart)
		/etc/rc.d/${_name} stop && /etc/rc.d/${_name} start
		;;
	*)
		rc_err "usage: $0 {start|check|reload|restart|stop}"
	esac
}

[ -z "${local_rcconf}" ] && . /etc/rc.conf

[ -n "${daemon}" ] || rc_err "$0: daemon is not set"

_name=$(basename $0)
eval _rcflags=\${${_name}_flags}
eval _rcuser=\${${_name}_user}

getcap -f /etc/login.conf ${_name} 1>/dev/null 2>&1 && \
	daemon_class=${_name}

[ -z "${daemon_class}" ] && daemon_class=daemon
[ -z "${daemon_user}"  ] && daemon_user=root

[ -n "${_rcflags}" ] && daemon_flags=${_rcflags}
[ -n "${_rcuser}"  ] && daemon_user=${_rcuser}

daemon_flags=$(echo ${daemon_flags} | tr -s "[:space:]")
pexp="${daemon}${daemon_flags:+ ${daemon_flags}}"
rcexec="su -l -c ${daemon_class} -s /bin/sh ${daemon_user} -c"