openwrt-xburst/openwrt/package/ppp/files/ifup.pppoa

#!/bin/sh
[ $# = 0 ] && { echo "  $0 <group>"; exit; }
. /etc/functions.sh
. /etc/network.overrides
[ -e /etc/config/network ] && . /etc/config/network
type=$1

[ "$(nvram get ${type}_proto)" = "pppoa" ] || {
	echo "$0: ${type}_proto isn't pppoa"
	exit
}

for module in slhc ppp_generic pppoatm; do
	/sbin/insmod $module 2>&- >&-
done

while :; do
	VPI=$(nvram get atm_vpi)
	VCI=$(nvram get atm_vci)
	USERNAME=$(nvram get ppp_username)
	PASSWORD=$(nvram get ppp_passwd)
	KEEPALIVE=$(nvram get ppp_redialperiod)
	KEEPALIVE=${KEEPALIVE:+lcp-echo-interval 10 lcp-echo-failure $KEEPALIVE}
	DEMAND=$(nvram get ppp_demand)
	case "$DEMAND" in
		on|1|enabled)
			DEMAND=$(nvram get ppp_idletime)
			DEMAND=${IDLETIME:+demand idle $IDLETIME}
		;;
		*) DEMAND="";;
	esac
	MTU=$(nvram get ppp_mtu)
	MTU=${MTU:-1500}

	/usr/sbin/pppd nodetach \
	plugin pppoatm.so ${VPI:-8}.${VCI:-35} \
		usepeerdns \
		defaultroute \
		linkname $type \
		ipparam $type \
		user "$USERNAME" \
		password "$PASSWORD" \
		mtu $MTU mru $MTU \
		$DEMAND \
		$KEEPALIVE
	
	# Read settings again (might have changed)
	[ -e /etc/config/network ] && . /etc/config/network
done &