#! /bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/lprng-edit - edit /etc/config.d/lprng
#
# Copyright (c) 2007 Thomas Bork, tom(at)eisfair(dot)net
#
# Creation   : 2002-10-06 tb
# Last Update: $Id: lprng-edit 9844 2007-02-27 20:30:54Z jv $
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

# include eislib
. /var/install/include/eislib

configfile='/etc/config.d/lprng'
base=''
parport_found=''
modprobebin="/sbin/modprobe"
rmmodbin="/sbin/rmmod"
lsmodbin="/sbin/lsmod"

#----------------------------------------------------------------------------
# load module
#----------------------------------------------------------------------------
do_modules_load ()
{
    for modul in parport parport_pc lp
    do
        if [ -z "`$lsmodbin | grep "^$modul "`" ]
        then
            $modprobebin $modul >/dev/null 2>&1
        fi
    done
}

#----------------------------------------------------------------------------
# unload module
#----------------------------------------------------------------------------
do_modules_del ()
{
    for modul in lp parport_pc parport
    do
        if [ -n "`$lsmodbin | grep "^$modul "`" ]
        then
            $rmmodbin $modul >/dev/null 2>&1
        fi
    done
}

clrhome
mecho -info "Edit LPRng configuration"
echo

do_modules_del
do_modules_load

#----------------------------------------------------------------------------
# get parallel ports
#----------------------------------------------------------------------------
if [ `uname -r` = "2.2.19" ]
then
    if [ -d /proc/parport ]
    then
        for i in $(ls -1 /proc/parport)
        do
            base=$(cat /proc/parport/$i/hardware | grep 'base' | cut -d 'x' -f 2)
        done
        if [ -n "$base" ]
        then
            mecho -info "Found parallel port(s), please write down adress(es):"
            echo
            for i in $(ls -1 /proc/parport)
            do
                base=$(cat /proc/parport/$i/hardware | grep 'base' | cut -d 'x' -f 2)
                mecho -info "                        0x$base"
            done
            anykey
        fi
    fi
else
    if [ -d /proc/sys/dev/parport ]
    then
        for i in $(ls -1 /proc/sys/dev/parport | grep -v default)
        do
            base=$(cat /proc/sys/dev/parport/$i/base-addr | cut -f 1)
            base=`echo "obase=16; $base" | bc -l`
        done
        if [ -n "$base" ]
        then
            mecho -info "Found parallel port(s), please write down adress(es):"
            echo
            for i in $(ls -1 /proc/sys/dev/parport | grep -v default)
            do
                base=$(cat /proc/sys/dev/parport/$i/base-addr | cut -f 1)
                base=`echo "obase=16; $base" | bc -l | tr [:upper:] [:lower:]`
                mecho -info "                        0x$base"
            done
            anykey
        fi
    fi
fi

do_modules_del
clrhome

#----------------------------------------------------------------------------
# start configuration
#----------------------------------------------------------------------------
if /var/install/bin/edit $configfile
then
    echo
    if /var/install/bin/ask "Activate Lprng configuration now" "y"
    then
        sh /etc/init.d/lprng stop

        if [ -d /var/spool/lpd ]
        then
            rm -r -f /var/spool/lpd
        fi
        sh /var/install/config.d/lprng.sh
        . /etc/config.d/lprng
        if [ "$START_LPRNG" = 'yes' ]
        then
            /etc/init.d/lprng start
        fi
        echo
        mecho -info "If your configuration changed and you want to print over Samba,"
        mecho -info "you have to create a new Samba Configuration now."
        echo
        anykey
    fi
fi

#----------------------------------------------------------------------------
exit 0