# Copyright 2004-2007 Gentoo Foundation
# Copyright 2007 Roy Marples
# All rights reserved

# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.

adsl_depend() {
	program /usr/sbin/adsl-start /usr/sbin/pppoe-start
	before dhcp
}

adsl_setup_vars() {
	local startstop="$1" cfgexe=

	if [ -x /usr/sbin/pppoe-start ]; then
		exe="/usr/sbin/pppoe-${startstop}"
		cfgexe=pppoe-setup
	else
		exe="/usr/sbin/adsl-${startstop}"
		cfgexe=adsl-setup
	fi

	# Decide which configuration to use.  Hopefully there is an
	# interface-specific one
	cfgfile="/etc/ppp/pppoe-${IFACE}.conf"
	[ -f "${cfgfile}" ] || cfgfile="/etc/ppp/pppoe.conf"

	if [ ! -f "${cfgfile}" ]; then
		eerror "no pppoe.conf file found!"
		eerror "Please run ${cfgexe} to create one"
		return 1
	fi

	return 0
}

adsl_start() {
	local exe= cfgfile= user=

	adsl_setup_vars start || return 1

	# Might or might not be set in conf.d/net
	eval user=\$adsl_user_${IFVAR}

	# Start ADSL with the cfgfile, but override ETH and PIDFILE
	einfo "Starting ADSL for ${IFACE}"
	(
	cat "${cfgfile}";
	echo "ETH=${IFACE}";
	echo "PIDFILE=/var/run/rp-pppoe-${IFACE}.pid";
	[ -n "${user}" ] && echo "USER=${user}";
	) | ${exe} >/dev/null
	eend $?
}

adsl_stop() {
	local exe= cfgfile=

	[ ! -f /var/run/rp-pppoe-"${IFACE}".pid ] && return 0

	adsl_setup_vars stop || return 1

	einfo "Stopping ADSL for ${IFACE}"
	(
	cat "${cfgfile}";
	echo "ETH=${IFACE}";
	echo "PIDFILE=/var/run/rp-pppoe-${IFACE}.pid";
	) | ${exe} >/dev/null
	eend $?

	return 0
}

# vim: set ts=4 :