#!/bin/sh
###############################################################################
#
#	PPPSETUP  --  Script to set up pppd
#  	History:
#	  7/21/95 RSL         Script created (v1.0)
#         9/15/96 RSL         Added code to get the ISP's domainname (v1.1)
#         9/19/96 RSL         Revamped interface to use the 'dialog' 
#                             program. (v1.2)
###############################################################################

VERSION="1.2"

echo > /tmp/txtTEMP$$
echo "PPPSETUP v$VERSION" >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$
echo "Written by Robert S. Liesenfeld <xunil@bitstream.net> <IRC:Xunil>" >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$ 
echo >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$ 
echo "					press [enter]" >> /tmp/txtTEMP$$

clear

dialog --title "PPPSETUP v$VERSION" --msgbox "`cat /tmp/txtTEMP$$`" 10 76

if [ -f /docs/pppsetup1.txt ]; then
	dialog --title "README" --textbox "/docs/pppsetup1.txt" 24 74 
fi

#if [ ! `whoami` = "root" ]; then
#	dialog --title "Must Be Root" --msgbox "You must be root to run
#this script." 10 76
#	exit 1
#fi

while [ -z "$PHONENUM" ]
do
	echo > /tmp/txtTEMP$$
	echo "To begin setting up your PPP connection I need to know a few things." >> /tmp/txtTEMP$$
	echo "For starters what is the phone number of your Internet service" >> /tmp/txtTEMP$$ 
	echo "provider? For example: 6551886" >> /tmp/txtTEMP$$ 
	echo  >> /tmp/txtTEMP$$ 
	echo "(Note: in the USA, use *70,6551886 [comma required!] to turn off call" >> /tmp/txtTEMP$$ 
	echo " waiting.)" >> /tmp/txtTEMP$$ 
	echo  >> /tmp/txtTEMP$$ 
	
	dialog --title "Phone Number" --inputbox "`cat /tmp/txtTEMP$$`" 20 76 2> /tmp/rspTEMP$$
	PHONENUM="`head -1 /tmp/rspTEMP$$`"
	if [ -z "$PHONENUM" ]; then
		clear
		echo "PPP configuration cancelled."
		exit 0
	fi
done

if [ -e "/dev/modem" ]; then
	echo > /tmp/txtTEMP$$ 
	echo -n "Found your modem...(" >> /tmp/txtTEMP$$ 
	echo -n `ls -l /dev/modem | cut -b56-80` >> /tmp/txtTEMP$$ 
	echo ")" >> /tmp/txtTEMP$$ 
	echo >> /tmp/txtTEMP$$ 

	dialog --title "Modem Found" --msgbox "`cat /tmp/txtTEMP$$`" 10 76
	DEVICE="/dev/modem"
else
	while [ -z "$DEVICE" ]
	do
		echo > /tmp/txtTEMP$$ 
		echo "Secondly, what is the name of your modem device?" >> /tmp/txtTEMP$$ 
		echo >> /tmp/txtTEMP$$  
	
		dialog --title "Modem Device" --menu "`cat /tmp/txtTEMP$$`" 20 76 12 \
			cua0 "/dev/cua0 (COM1: under DOS)" \
			cua1 "/dev/cua1 (COM2: under DOS)" \
			cua2 "/dev/cua2 (COM3: under DOS)" \
			cua3 "/dev/cua3 (COM4: under DOS)" \
			2> /tmp/rspTEMP$$
		DEVICE="`cat /tmp/rspTEMP$$`"
		if [ -z $DEVICE ]; then
			clear
			echo "PPP configuration cancelled."
			exit 0
		fi

		DEVICE="/dev/$DEVICE"
	done
fi

echo > /tmp/txtTEMP$$
echo "What baud rate is your modem?" >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$
dialog --title "Baud Rate" --menu "`cat /tmp/txtTEMP$$`" 20 76 12 \
	115200 "115KBps  - Nirvana! Better Known as 28.8" \
	38400  "38.4KBps - Hangin' ten on the 'net! 28.8" \
	19200  "19.2KBps - Better known as 14.4" \
	9600   "9600bps  - Kinda pokey, aren'tcha?" \
	2400   "2400bps  - God help you.  :>" 2> /tmp/rspTEMP$$

BAUDRATE="`cat /tmp/rspTEMP$$`"
if [ -z $BAUDRATE ]; then
	clear
	echo "PPP configuration cancelled."
	exit 0
fi

echo > /tmp/txtTEMP$$
echo "What is your Internet provider's domain name?" >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$
echo "(This is usually something like something.edu," >> /tmp/txtTEMP$$
echo " something.net, or something.com.)" >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$
dialog --title "Domain Name" --inputbox "`cat /tmp/txtTEMP$$`" 20 76 2> /tmp/rspTEMP$$

DOMAINNAME="`cat /tmp/rspTEMP$$`"
if [ -z $DOMAINNAME ]; then
	clear
	echo "PPP configuration cancelled."
	exit 0
fi

echo > /tmp/txtTEMP$$
echo "What is the IP address of your Internet provider's nameserver?" >> /tmp/txtTEMP$$
echo "It's important that these IP numbers be correct." >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$
echo "Note: Your service provider's technical support can provide you" >> /tmp/txtTEMP$$
echo "with this information. For example: 205.94.97.4" >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$
dialog --title "DNS IP" --inputbox "`cat /tmp/txtTEMP$$`" 20 76 2> /tmp/rspTEMP$$

DNSIP="`cat /tmp/rspTEMP$$`"
if [ -z $DNSIP ]; then
	clear
	echo "PPP configuration cancelled."
	exit 0
fi

if [ -f /etc/resolv.conf ]; then
	mv /etc/resolv.conf /etc/resolv.conf.old
fi

echo > /etc/resolv.conf
echo "domain $DOMAINNAME" >> /etc/resolv.conf
echo "nameserver $DNSIP" >> /etc/resolv.conf

OLDDIR=`pwd`
cd $HOME

echo > /tmp/txtTEMP$$
echo "Now comes the tough part. :) I need to know what your" >> /tmp/txtTEMP$$
echo "dialup system prints to your screen, and I need to" >> /tmp/txtTEMP$$
echo "know what you respond with." >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$
echo "For example..." >> /tmp/txtTEMP$$
echo "What text should I wait for?" >> /tmp/txtTEMP$$
echo "ogin:" >> /tmp/txtTEMP$$
echo "And what text should I send?" >> /tmp/txtTEMP$$
echo "jerry" >> /tmp/txtTEMP$$
echo "What text should I wait for?" >> /tmp/txtTEMP$$
echo "assword:" >> /tmp/txtTEMP$$
echo "And what text should I send?" >> /tmp/txtTEMP$$
echo "secret" >> /tmp/txtTEMP$$
echo "What text should I wait for?" >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$
echo "( End by pressing Cancel or Enter on empty box. )" >> /tmp/txtTEMP$$
echo >> /tmp/txtTEMP$$
echo "ABORT 'BUSY' ABORT 'VOICE' ABORT 'NO CARRIER' ABORT 'NO DIALTONE'" > .pppscript 
echo "'' ATZ OK AT&FW2 OK ATDT$PHONENUM CONNECT ''" >> .pppscript

dialog --title "Chat Script" --msgbox "`cat /tmp/txtTEMP$$`" 22 72

MESSAGE=' '
YOUSAY=' '
while [ ! "$MESSAGE" = "" -a ! "$YOUSAY" = "" ]
do
	dialog --title "Expect" --inputbox "What text should I wait for?" 10 76 2> /tmp/rspTEMP$$	
	MESSAGE="`cat /tmp/rspTEMP$$`"

	if [ -z "$MESSAGE" ]; then
		continue
	fi

	dialog --title "Send" --inputbox "And what text should I send?" 10 76 2> /tmp/rspTEMP$$
	YOUSAY="`cat /tmp/rspTEMP$$`"

	if [ -z "$YOUSAY" ]; then
		continue
	fi

	echo "$MESSAGE $YOUSAY" >> .pppscript
done

rm -f ppp-go
echo "#!/bin/sh" > ppp-go
echo "rm -f /var/spool/uucp/LCK* /var/lock/LCK*" >> ppp-go
echo "/usr/sbin/pppd connect '/usr/sbin/chat -v -f $HOME/.pppscript' lock debug crtscts defaultroute modem $BAUDRATE $DEVICE &" >> ppp-go
echo "tail -c 0 -f /var/log/messages &" >> ppp-go
echo "read && die -f tail && /usr/sbin/connect && echo && exit" >> ppp-go
chmod 755 ppp-go

cd $OLDDIR

if [ -f /docs/pppsetup2.txt ]; then
	dialog --title "README" --textbox "/docs/pppsetup2.txt" 24 74 
fi

rm -f /tmp/txtTEMP$$
rm -f /tmp/rspTEMP$$
echo
echo
echo "*** These are your ~/ppp-go ~/.pppscript & /etc/resolv.conf files. ***"
echo
cat /root/ppp-go
echo
cat /root/.pppscript
cat /etc/resolv.conf
echo
echo "*** Does everything look correct? If not, run pppsetup again. ***"
echo
exit 0