#!/bin/bash
# ISA PnP Modem Configuration Utility version 0.1
# 1998 Jared D. McNeill <shaded@lakesoft.com>

APPMAJORVERSION="0"
APPMINORVERSION="1"
TMP=/var/log/setup/tmp

# Check to see if the user is root.
if [ ! $UID = "0" ]; then
	echo
	echo "You need to be UID 0 (root) to run this script."
	echo
	exit 1
fi
# Check for 'dialog' utility
if ! type -all "dialog" 1>/dev/null 2>&1 ; then
	echo
	echo "You need the dialog utility to run this script."
	echo "dialog: http://www.tux.org/pub/people/kent-robotti/"
	echo
	exit 1
fi
# Check for 'isapnp' utility
if ! type -all "isapnp" 1>/dev/null 2>&1 ; then
	echo
	echo "You need isapnptools to run this script."
	echo "isapnptools: http://www.roestock.demon.co.uk/isapnptools/"
	echo
	exit 1
fi
# Check for 'pnpdump' utility
if ! type -all "pnpdump" 1>/dev/null 2>&1 ; then
	echo
	echo "You need isapnptools to run this script."
        echo "isapnptools: http://www.roestock.demon.co.uk/isapnptools/"
	echo
	exit 1
fi

echo "ISA PnP Modem Configuration Utility $APPMAJORVERSION.$APPMINORVERSION" > $TMP/pnptemp001
echo >> $TMP/pnptemp001
echo "Written by Jared D. McNeill <shaded@lakesoft.com>" >> $TMP/pnptemp001
echo >> $TMP/pnptemp001
echo "Press [ENTER] to continue with setup.." >> $TMP/pnptemp001

dialog --backtitle "ISA PnP Modem Configuration Utility" \
	--textbox "$TMP/pnptemp001" 9 73

echo "To begin setting up your Plug and Play modem, I need to know a few" > $TMP/pnptemp001
echo "things." >> $TMP/pnptemp001
echo >> $TMP/pnptemp001
echo "What com port is your modem on?" >> $TMP/pnptemp001
echo "Example: COM1 in MSDOS/Windows is /dev/ttyS0 in Linux" >> $TMP/pnptemp001
echo "         COM2 in MSDOS/Windows is /dev/ttyS1 in Linux" >> $TMP/pnptemp001
echo "         COM3 in MSDOS/Windows is /dev/ttyS2 in Linux" >> $TMP/pnptemp001
echo "         COM4 in MSDOS/Windows is /dev/ttyS3 in Linux" >> $TMP/pnptemp001
echo >> $TMP/pnptemp001

dialog --backtitle "ISA PnP Modem Configuration Utility" \
	--inputbox "`cat $TMP/pnptemp001`" 16 73 2> $TMP/pnptempCOM

COMPORT="`cat $TMP/pnptempCOM`"

echo "I am now going to setup a base /etc/isapnp.conf" > $TMP/pnptemp001
echo "Please enter the name of your favorite editor" >> $TMP/pnptemp001
echo >>$TMP/pnptemp001

dialog --backtitle "ISA PnP Modem Configuration Utility" \
	--inputbox "`cat $TMP/pnptemp001`" 8 73 "pico" 2> $TMP/pnptempTXT

EDITOR="`cat $TMP/pnptempTXT`"
if ! type -all "$EDITOR" 1>/dev/null 2>&1 ; then
	echo
	echo "Text editor not found! Setup cancelled!"
	echo
	exit 1
fi

echo "You will now need to setup your /etc/isapnp.conf" > $TMP/pnptemp001
echo "Scroll down until you see something like this:" >> $TMP/pnptemp001
echo "# Card 1: (serial identifier 27 ff ff ff ff 68 18 73 16)" >> $TMP/pnptemp001
echo "# Vendor Id <SOMETHING>, No Serial Number (-1), checksum 0x27." >> $TMP/pnptemp001
echo "The SOMETHING should be the type of modem that you have." >> $TMP/pnptemp001
echo "Below that you should see something like this:" >> $TMP/pnptemp001
echo "# (IO 0 (BASE 0x3F8))" >> $TMP/pnptemp001
echo "# (INT 0 (IRQ 3 (MODE +E)))" >> $TMP/pnptemp001
echo "# (ACT Y)" >> $TMP/pnptemp001
echo "You will need to uncomment those three lines and set the BASE" >> $TMP/pnptemp001
echo "and the IRQ to what your modem uses. Standard values are:" >> $TMP/pnptemp001
echo "/dev/ttyS0 (COM1) io 0x3F8 irq 4" >> $TMP/pnptemp001
echo "/dev/ttyS1 (COM2) io 0x2F8 irq 3" >> $TMP/pnptemp001
echo "/dev/ttyS1 (COM3) io 0x3E8 irq 4" >> $TMP/pnptemp001
echo "/dev/ttyS1 (COM4) io 0x2E8 irq 3" >> $TMP/pnptemp001

dialog --backtitle "ISA PnP Modem Configuration Utility" \
        --textbox "$TMP/pnptemp001" 21 73

if [ -r /etc/isapnp.conf ]; then
	cp -f /etc/isapnp.conf /etc/isapnp.conf.orig
fi
pnpdump > /etc/isapnp.conf
$EDITOR /etc/isapnp.conf

echo "Hopefully your isapnp.conf is setup properly." > $TMP/pnptemp001
echo "Go try it out and see if it works." >> $TMP/pnptemp001
echo >> $TMP/pnptemp001
echo "This setup will be added to /etc/rc.d/rc.local so it is" >> $TMP/pnptemp001
echo "started at boot. Good luck!" >> $TMP/pnptemp001

dialog --backtitle "ISA PnP Modem Configuration Utility" \
        --textbox "$TMP/pnptemp001" 8 73

clear
isapnp /etc/isapnp.conf
setserial $COMPORT auto_irq autoconfig

echo >> /etc/rc.d/rc.local
echo "# Added by ISA PnP Modem Configuration Utility" >> /etc/rc.d/rc.local
echo "# `date`" >> /etc/rc.d/rc.local
echo "isapnp /etc/isapnp.conf" >> /etc/rc.d/rc.local
echo "setserial $COMPORT auto_irq autoconfig" >> /etc/rc.d/rc.local
echo
echo "ISA PnP Modem Configuration Utility $APPMAJORVERSION.$APPMINORVERSION by Jared D. McNeill"
exit 1