#!/bin/sh

cat - <<EOF

This works (as at November 2002) to some extent, but please
check the new official page, at:
http://speedtouchconf.sf.net/
That has all the latest versions, plus some documentation.
EOF
exit 0

# Steve Parker, 17 Oct 2002
# SpeedTouch Configuration for / Alcatel USB Modem
# Tested on RedHat 8.0 with BT OpenWorld by Steve
# Tested on Mandrake 9.0 with BT OpenWorld by Steve

QUIET=YES
PREFIX="/"
PRODNAME="Alcatel USB Modem"
PPPD=pppd
UNAME=uname
LSPCI=lspci
TARBALL=/tmp/speedtouch-1.1.tar.bz2
MICROCODE=/etc/ppp/alcaudsl.sys
#MICROCODE=/etc/ppp/mgmt.o
MODEM_RUN=/usr/local/sbin/modem_run
PATH=/bin:/sbin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin:$PATH

check_err()
{
  if [ "$1" -ne "0" ]; then
    echo "$2 - FAILED"
    exit 1
  else
    echo "$2 - SUCCESS"
  fi
}

check_config()
{
  if [ "$PREFIX" != "/" ]; then
    echo "Using prefix of $PREFIX"
    mkdir $PREFIX 2>/dev/null
  fi

  if [ ! -f $MICROCODE ]; then
	 echo "Cannot find microcode $MICROCODE"
	 exit 1 
  fi
  if [ ! -f $TARBALL ]; then
	 echo "Cannot find tarball $TARBALL"
	 exit 1 
  fi

  error=0
  PPP_VERSION=`$PPPD --version 2>&1 | awk '{ print $3 }'`
  KERNEL=`$UNAME -r`
  KERNEL_MAJOR=`echo $KERNEL | cut -d"." -f1,2`
  KERNEL_MINOR=`echo $KERNEL | cut -d"." -f3`
  USB_TYPE=`$LSPCI -v |grep -i usb|grep HCI`

  if [ "${PPP_VERSION}" == "2.4.0" ] || [ "${PPP_VERSION}" == "2.4.1" ]; then
    echo "PPP version $PPP_VERSION okay."
  else
    if [ "$KERNEL_MAJOR" == "2.4" ]; then
      echo "PPP Version ${PPP_VERSION} should be 2.4.0 or 2.4.1"
      error=`expr $error + 1`
    else
      echo "With the 2.2.18 kernel you should get away with $PPP_VERSION"
      echo "... maybe."
    fi
  fi

  if [ -z "${USB_TYPE}" ]; then
    echo "No USB Bus found!"
    error=`expr $error + 2`
  fi
  echo ${USB_TYPE} | grep -q UHCI 
  if [ "$?" -eq "0" ]; then 
    USB_TYPE=UHCI
  else 
    USB_TYPE=OHCI
  fi 

  echo $KERNEL|grep -q "2.4" 
  if [ "$?" -ne "0" ]; then
    echo $KERNEL | grep -q "2.2.18" 
    if [ "$?" -ne "0" ]; then
      echo "Sorry, only 2.4 and 2.2.18 kernels have been made to work with the $PRODNAME"
      error=`expr $error + 4`
    fi
  else  
    echo $KERNEL | egrep -q "2.4.1(8|9)" 
    if [ "$?" -ne "0" ]; then
      echo "You probably need the HDLC kernel patch n_hdlc.c.diff"
      error=`expr $error + 8`
    fi
  fi

  ls -l /dev/ppp|grep -wq 108 
  if [ "$?" -ne "0" ]; then
    cd /dev
    ./MAKEDEV ppp
    if [ "$?" -ne "0" ]; then
      echo "MAKEDEV failed"
      error=`expr $error + 16`
    fi
  fi

  if [ "`id -u`" != "0" ]; then
    echo "You must be logged in as root to use this script"
    exit 1
  fi
}

get_tarball()
{
  mkdir /tmp/speedtouch.$$
  cd /tmp/speedtouch.$$
  echo "$TARBALL" |grep -q "gz$"
  if [ "$?" -eq "0" ]; then
    tar xzf $TARBALL
    cd `basename $TARBALL .tar.gz`
  else
    bzcat $TARBALL | tar xf -
    cd `basename $TARBALL .tar.bz2`
  fi
  if [ "$PREFIX" != "/" ]; then
    config="./configure --prefix $PREFIX/usr"
  else
    config="./configure"
  fi
  echo "Configururing SpeedTouch Driver..."
  if [ "$QUIET" == "YES" ]; then
    $config > /dev/null 2>&1
    res=$?
  else 
    $config
    res=$?
  fi
  check_err $res "Software Configuration"
  echo "Building SpeedTouch Driver..."
  if [ "$QUIET" == "YES" ]; then
    make > /dev/null 2>&1
    res=$?
  else
    make
    res=$?
  fi
  check_err $res "Software Build"
  echo "Installing SpeedTouch Driver..."
  if [ "$QUIET" == "YES" ]; then
    make install > /dev/null
    res=$?
  else
    make install 
    res=$?
  fi
  check_err $res "Software Installation"
}

create_ppp_files()
{
  cd $PREFIX/etc/ppp
  cat - > options << EOF
#------------------ /etc/ppp/options Beginning -------------
noauth
usepeerdns
lock
noipdefault
#------------------ /etc/ppp/options End ------------------
EOF
  mkdir peers 2>/dev/null
  cat - > peers/adsl <<EOF
#-------------------/etc/ppp/peers/adsl Beginning------------
debug
kdebug 1
noipdefault
defaultroute
EOF
echo "pty \"/usr/local/sbin/pppoa3 -m -1 -c -vpi $VPI -vci $VCI\"" >> peers/adsl
echo "sync" >> peers/adsl
echo "user \"$ISP_LOGIN\"" >> peers/adsl
cat - >> peers/adsl << EOF
noauth
noaccomp
nopcomp
noccp
novj
holdoff 4
persist
maxfail 25
usepeerdns
#------------------/etc/ppp/peers/adsl EOF------------------
EOF

echo "\"$ISP_LOGIN\" \"*\" \"$ISP_PASSWORD\" \"*\"" >> chap-secrets
echo "\"$ISP_LOGIN\" \"*\" \"$ISP_PASSWORD\" \"*\"" >> pap-secrets
chmod 600 pap-secrets chap-secrets
}

add_line()
{
  grep -q "$1" $3 || echo "$2" >> $3
}

modify_modules_conf()
{
  if [ -f /etc/modules.conf ]; then
    MODCONF=$PREFIX/etc/modules.conf
  else
    MODCONF=$PREFIX/etc/conf.modules
  fi
add_line "ppp_generic" "alias char-major-108  ppp_generic" $MODCONF
add_line "dev/ppp" "alias /dev/ppp ppp_generic" $MODCONF
add_line "ppp_async" "alias tty-ldisc-3 ppp_async" $MODCONF
add_line "n_hdlc" "alias tty-ldisc-13 n_hdlc" $MODCONF
add_line "ppp_synctty" "alias tty-ldisc-14 ppp_synctty" $MODCONF
add_line "bsd_comp" "alias ppp-compress-21 bsd_comp" $MODCONF
add_line "ppp-compress-24" "alias ppp-compress-24 ppp_deflate" $MODCONF
add_line "ppp-compress-26" "alias ppp-compress-26 ppp_deflate" $MODCONF
}

do_modprobe()
{
modprobe ppp_generic
modprobe ppp_synctty
modprobe n_hdlc
modprobe usbcore
mount none /proc/bus/usb -t usbdevfs > /dev/null 2>&1
if [ "$USB_TYPE" == "UHCI" ]; then
  modprobe usb-uhci
  if [ "$?" -ne "0" ]; then
    modprobe uhci 
  fi
else
  modprobe usb-ohci
fi
}

select_options()
{
ans="N"
while [ "$ans" != "Y" ]; do
cat - << EOF
  Country/ISP	      VPI    VCI
  Belgium, ?	      8	     35
  Denmark, Orang      8	     35
  France, wanado      8	     35
  France, ?	      8	     67
  Italy, ?	      8	     35
  Netherlands, ?      8	     48
  UK, BTopenworld     0	     38
  US, BellSouth	      8	     35
EOF
echo "Please select your VPI VCI numbers (eg, 0 38) for UK"
read VPI VCI
echo "Please enter your ISP Login ID (eg another@hg1.btinternet.com)"
read ISP_LOGIN
echo "Please enter your ISP Password"
read ISP_PASSWORD

echo "Settings: "
echo "  VPI / VCI : $VPI / $VCI"
echo "  Login     : $ISP_LOGIN"
echo "  Password  : $ISP_PASSWORD"
echo "Are these correct? (Y/N)"
read ans
ans=`echo ${ans}N|tr '[a-z]' '[A-Z]'|cut -c1`
done
}

setup_etc_conf()
{
CONF=$PREFIX/etc/speedtouch.conf
echo "# SpeedTouch Config File" > $CONF
echo "# The speedtouch rc script assumes /usr/local/sbin is in the path..." >> $CONF
echo "PATH=\$PATH:/usr/local/sbin" >> $CONF
echo "# LOAD_ directives should be 1 for modules, 0 if built into the kernel" >> $CONF
echo "LOAD_USBCORE=1" >> $CONF
echo "LOAD_USBINTERFACE=1" >> $CONF
echo "LOAD_NHDLC=1" >> $CONF
echo "# USB Interface - UHCI or OHCI" >> $CONF
USB=`echo $USB_TYPE | tr '[:upper:]' '[:lower:]'`
echo "DEFAULT_USBINTERFACE=\"$USB\"" >> $CONF
echo "# Path to microcode (mgmt.o or alcudsl.sys from the official Alcatel drivers" >> $CONF
echo "MICROCODE=\"$MICROCODE\"" >> $CONF
echo "# Set this to 1 if you have configured the script" >> $CONF
echo "CONFIGURED=1" >> $CONF
cp /usr/local/etc/init.d/speedtouch /etc/rc.d/init.d/
}

check_router()
{
  route=`netstat -rn|grep "^0\.0\.0\.0"|awk '{ print $2 }'`
  if [ ! -z "${route}" ]; then
       echo "You have a default router : $route"
       route delete default gw $route
  fi
}

# main script starts here

check_config
if [ "$error" -ne "0" ]; then
  echo "Not ready to install the software at this time. - code $error"
  exit 1
fi
select_options
echo "No further user interaction is required."
get_tarball
create_ppp_files
modify_modules_conf
do_modprobe
check_router
setup_etc_conf
echo
echo
echo
echo "The modem lights should start flashing for 20 seconds..."
$MODEM_RUN -m -f $MICROCODE
res=$?
if [ "$res" -eq "0" ]; then
  echo "Phew! That was the hard part! Should be plain sailing now..."
else
  echo "The modem_run command failed (code $res)- check your kernel config"
  exit 1
fi
sleep 10
echo "Running : $PPPD call adsl"
$PPPD call adsl
sleep 10
ifconfig ppp0 | grep "inet addr:"
if [ "$?" -eq "0" ]; then
  echo "Looks like we're online... "
  ping -c1 www.google.com > /dev/null
  if [ "$?" -eq "0" ]; then
    echo "Hey look, I can see the Net from here!"
  fi
else
  echo "Oops - don't seem to have connected. "
  echo "Are you sure your password and login are correct?"
fi
echo "All done. Run :"
echo "chkconfig --add speedtouch"
echo "as root to automatically dial-in when the PC boots up"
if [ ! -z "${route}" ]; then
  echo
  echo "You have a default route configured."
  grep -q "GATEWAY=" /etc/sysconfig/network 2>/dev/null
  if [ "$?" -eq "0" ]; then
    echo "You need to remove the GATEWAY= line from /etc/sysconfig/network."
  else
    echo "You need to disable this, as there can only be one default route."
  fi
  echo
fi
exit 0