#!/bin/sh
#
# Ian Vince McLoughlin (IVM), 22/12/2001
echo ADSL: TO DO - log errors in the system logfile....

echo ADSL: bringing up the service...
if (/sbin/lsmod | grep itex); then
	echo ADSL: itex module already loaded;
else
	if (/sbin/insmod -q /root/ADSL/itex1577-2.4.2.o); then
		echo ADSL: itex module loaded;
	else
		echo ADSL FATAL ERROR: could not load module;
		exit;	
	fi
fi

ADSL_LPCNT=0;
ADSL_OK=0;
sleep 2;
while [$ADSL_OK -eq 0 ] ; do
#look for a bracket after the lsmod listing (says something
#like (initializing) - once it's ready this is gone
#  if (/sbin/lsmod | grep itex | grep \(); then
#Now look in the /var/log/messages file
  if (tail -20 /var/log/messages | grep SHOWTIME_L0); then
	ADSL_OK=1;
  else
	echo ADSL WARNING: modem not yet online, wait for 4 seconds then retry;
	sleep 4;
  fi;

  ADSL_LPCNT=$[$ADSL_LPCNT+1];
  if [ $ADSL_LPCNT -ge 10 ]; then
	echo ADSL FATAL ERROR: timeout waiting for modem to sync;
	exit;  
  fi;
done;

echo ADSL: starting PPPD
/usr/sbin/pppd

sleep 5;
if (netstat -i | grep ppp); then
	echo ADSL: PPPD up and running, connection established OK;
else
	echo ADSL FATAL ERROR: PPPD not working properly....;
	exit;	
fi

#Now pppd is working properly, just go and get the DNS names from 
#the logfile and insert into /etc/resolv.conf

#
# This sample code shows you one way to modify your setup to allow automatic
# configuration of your resolv.conf for peer supplied DNS addresses when using
# the `usepeerdns' option.
#
# In my case I just added this to my /etc/ppp/ip-up.local script. You may need to 
# create an executable script if one does not exist.
#
# Nick Walker (nickwalker@email.com)
#
#IVM: assume usepeerdns means /etc/ppp/resolv.conf automatically done
if [ -a -f /etc/ppp/resolv.conf ]; then
	rm -f /etc/ppp/resolv.prev
	if [ -f /etc/resolv.conf ]; then
		cp /etc/resolv.conf /etc/ppp/resolv.prev
		grep domain /etc/ppp/resolv.prev > /etc/resolv.conf
		grep search /etc/ppp/resolv.prev >> /etc/resolv.conf
		cat /etc/ppp/resolv.conf >> /etc/resolv.conf
	else
		cp /etc/ppp/resolv.conf /etc
	fi
else
	echo ADSL WARNING: Godzone gateway did not supply DNS names...
	echo ADSL WARNING: running with old DNS IPs...
fi

echo ADSL: up and running, ready to surf...