#!/bin/bash

ifconnect() {

if ! ( ifconfig | grep "P-t-P" >/dev/null ); then
echo "* NO! not PPP connected. *"
echo
else
exit 0
fi

if [ -s /var/log/debug ] && ( ps xc 2>/dev/null | grep -q syslogd 2>/dev/null ); then
echo "Look at /var/log/messages and or debug for more info."
echo
else
exit 0
fi

echo "Do you want to see /var/log/messages & debug?"
echo "The PAGER less or more will be used: Q = Quit!"
echo "The last 30 lines of each file will be shown, there"
echo -n "may be some overlap from previous attempts: (N/y) : "
read ans

if [ "$ans" = "y" -o "$ans" = "Y" ]; then
tail -n 30 /var/log/messages /var/log/debug 2>/dev/null | less -aCMrsi || more -ds || echo "No PAGER found, no more or less."
grepauth
else
grepauth
fi
}

grepauth() {

tail -n 30 /var/log/debug 2>/dev/null | grep -i -s "rcvd" > /var/log/setup/tmp/grep.tmp

if ( grep -i -q "auth pap" /var/log/setup/tmp/grep.tmp ); then
echo
echo "They seem to be requesting PAP = <auth pap> for authentication."
echo "I don't know if you're setup for 'PAP' or not."
echo "Did you answer 'PAP' when you ran pppsetup?"
echo
elif ( grep -E -i -q "auth chap msoft|auth chap 80" /var/log/setup/tmp/grep.tmp ); then
echo
echo "They seem to be requesting MS-CHAP-80 = <auth chap 80> for authentication."
echo "I don't know if you're setup for 'MS-CHAP' or not."
echo "Did you answer 'MS-CHAP' when you ran pppsetup?"
echo
elif ( grep -i -q "auth chap" /var/log/setup/tmp/grep.tmp ); then
echo "They seem to be requesting CHAP = <auth chap> for authentication."
echo "I don't know if you're setup for 'CHAP' or not."
echo "Did you answer 'CHAP' when you ran pppsetup?"
echo
else
rm -f /var/log/setup/tmp/grep.tmp
exit 0
fi

if ( grep -i -q "callback" /var/log/setup/tmp/grep.tmp ); then
echo "They seem to be requesting CALLBACK."
echo "I don't know if you're setup for 'callback' or not."
echo "Did you answer 'CALLBACK' when you ran pppsetup?"
echo
fi

rm -f /var/log/setup/tmp/grep.tmp
}

if [ "$1" = "" ]; then
killall -INT pppd 2>/dev/null
rm -f /var/lock/LCK* /var/run/ppp*.pid
(/usr/sbin/pppd -detach connect "/usr/sbin/chat -v -f /etc/ppp/pppscript" &) || exit 1
#read
#ifconnect
exit 0
fi

if [ "$1" = "-q" ]; then
killall -INT pppd 2>/dev/null
rm -f /var/lock/LCK* /var/run/ppp*.pid
(/usr/sbin/pppd connect "/usr/sbin/chat -v -f /etc/ppp/pppscript" 1> /dev/null 2> /dev/null ) || exit 1
exit 0
fi

if [ "$1" = "-d" ]; then
killall -INT pppd 2>/dev/null
rm -f /var/lock/LCK* /var/run/ppp*.pid
(/usr/sbin/pppd file "/etc/ppp/options.demand" &) || exit 1
echo "Demand Dialing Started."
exit 0
fi

if [ "$1" = "-h" ]; then
echo "USAGE: ppp-go    <Make PPP connection, print messages to screen.>"
echo "USAGE: ppp-go -q <Make PPP connection, do not print messages to screen.>"
echo "USAGE: ppp-go -r <Remove contents of /var/log/messages & debug files.>"
echo "USAGE: ppp-go -d <Put pppd in demand dialing mode.>"
echo "USAGE: ppp-go -h <Help>"
exit 0
fi

if [ "$1" = "-r" ]; then
echo -n "Remove contents of /var/log/messages file? (N/y) : "
read ans
if [ "$ans" = "y" -o "$ans" = "Y" ]; then
cat /dev/null >/var/log/messages
echo "Contents of /var/log/messages file removed."
else
echo "Cancelled."
fi
echo -n "Remove contents of /var/log/debug file? (N/y) : "
read ans
if [ "$ans" = "y" -o "$ans" = "Y" ]; then
cat /dev/null >/var/log/debug
echo "Contents of /var/log/debug file removed."
exit 0
else
echo "Cancelled."
exit 0
fi
fi

echo "USAGE: ppp-go -h <Help>"
exit 1