#!/bin/sh
#
# $FreeBSD$
#

# PROVIDE: ppp
# REQUIRE: netif
# KEYWORD: nojail

. /etc/rc.subr

name="ppp"
desc="Point to Point Protocol"
rcvar="ppp_enable"
command="/usr/sbin/${name}"
start_cmd="ppp_start"
stop_cmd="ppp_stop"
start_postcmd="ppp_poststart"

ppp_start_profile()
{
	local _ppp_profile _ppp_mode _ppp_nat _ppp_unit
	local _ppp_profile_cleaned _punct _punct_c

	_ppp_profile=$1
	_ppp_profile_cleaned=$1
	_punct=". - / +"
	for _punct_c in $_punct; do
		_ppp_profile_cleaned=`ltr ${_ppp_profile_cleaned} ${_punct_c} '_'`
	done

	# Check for ppp profile mode override.
	#
	eval _ppp_mode=\$ppp_${_ppp_profile_cleaned}_mode
	if [ -z "$_ppp_mode" ]; then
		_ppp_mode=$ppp_mode
	fi

	# Check for ppp profile nat override.
	#
	eval _ppp_nat=\$ppp_${_ppp_profile_cleaned}_nat
	if [ -z "$_ppp_nat" ]; then
		_ppp_nat=$ppp_nat
	fi

	# Establish ppp mode.
	#
	if [ "${_ppp_mode}" != "ddial" -a "${_ppp_mode}" != "direct" \
		-a "${_ppp_mode}" != "dedicated" \
		-a "${_ppp_mode}" != "background" ]; then
		_ppp_mode="auto"
	fi

	rc_flags="-quiet -${_ppp_mode}"

	# Switch on NAT mode?
	#
	case ${_ppp_nat} in
	[Yy][Ee][Ss])
		rc_flags="$rc_flags -nat"
		;;
	esac

	# Check for hard wired unit
	eval _ppp_unit=\$ppp_${_ppp_profile_cleaned}_unit
	if [ -n "${_ppp_unit}" ]; then
		_ppp_unit="-unit${_ppp_unit}"
	fi
	rc_flags="$rc_flags $_ppp_unit"

	# Run!
	#
	su -m $ppp_user -c "$command ${rc_flags} ${_ppp_profile}"
}

ppp_start()
{
	local _ppp_profile _p

	_ppp_profile=$*
	if [ -z "${_ppp_profile}" ]; then
		_ppp_profile=$ppp_profile
	fi

	echo -n "Starting PPP profile:"

	for _p in $_ppp_profile; do
		echo -n " $_p"
		ppp_start_profile $_p
	done

	echo "."
}

ppp_poststart()
{
	# Re-Sync ipfilter and pf so they pick up any new network interfaces
	#
	if [ -f /etc/rc.d/ipfilter ]; then
		/etc/rc.d/ipfilter quietresync
	fi
	if [ -f /etc/rc.d/pf ]; then
		/etc/rc.d/pf quietresync
	fi
}

ppp_stop_profile() {
	local _ppp_profile

	_ppp_profile=$1

	/bin/pkill -f "^${command}.*[[:space:]]${_ppp_profile}\$" || \
		echo -n "(not running)"
}

ppp_stop() {
	local _ppp_profile _p

	_ppp_profile=$*
	if [ -z "${_ppp_profile}" ]; then
		_ppp_profile=$ppp_profile
	fi

	echo -n "Stopping PPP profile:"

	for _p in $_ppp_profile; do
		echo -n " $_p"
		ppp_stop_profile $_p
	done

	echo "."
}

load_rc_config $name
run_rc_command $*