File: ip-down.xisp

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xisp 2.5p4-1
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  • area: contrib
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  • sloc: ansic: 16,648; asm: 214; sh: 210; makefile: 202; perl: 55
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#! /bin/sh
#
#  Copyright (C) 1997,1998  Dimitrios P. Bouras
#
#   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.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program; if not, write to the Free Software
#   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
#   For author contact information, look in the README file.
 
# The following are modified automatically by 'make install'
#------------------------------------------------------------
NetGroup=__XISPGROUP
XispID=__XISPID

# First setup all variables passed on from pppd
#-----------------------------------------------
interface=$1
device=$2
speed=$3
localIP=$4
remoteIP=$5
ipparam=$6
 
# Bail out if no ipparam
#------------------------
if [ "$ipparam"x = x ]; then
	exit 0
fi

# Then parse the ipparam argument string passed on from xisp
#------------------------------------------------------------
pipefname=`echo $ipparam | sed -e 's/\:.*$//'`
temp=`echo $ipparam | sed -e 's/^[^:]*\://'`
ISPname=`echo $temp | sed -e 's/\:.*$//'`
temp=`echo $temp | sed -e 's/^[^:]*\://'`
DNS1=`echo $temp | sed -e 's/\:.*$//'`
DNS2=`echo $temp | sed -e 's/^.*\://'`
 
# Make sure that the user who started pppd is indeed a member of $NetGroup
# If not, then this is most probably a system security attack, so bail out
# Also run xispid security checks on the named-pipe file name and modes
#--------------------------------------------------------------------------
userOK=0
for gname in `$XispID -rGn`; do
	if [ "$gname" = "$NetGroup" ]; then
		userOK=1
	fi
done
if [ $userOK ]; then
	if ! `$XispID -c $pipefname`; then
		exit 0
	fi
else
	exit 0
fi

# The following command redirects all stdout/stderr output (from this
# script or from any command run within it) to the xisp browser window
#----------------------------------------------------------------------
exec 1>>$pipefname 2>&1

# Remove the lines in /etc/resolv.conf for the DNS entries passed from xisp
#---------------------------------------------------------------------------
umask 022
if [ "$DNS1"x != x ]; then
	grep -v "xisp primary DNS line" /etc/resolv.conf > /etc/resolv.conf.new
	mv -f /etc/resolv.conf.new /etc/resolv.conf
	echo "DNS $DNS1 removed"
fi
if [ "$DNS2"x != x ]; then
	grep -v "xisp secondary DNS line" /etc/resolv.conf > /etc/resolv.conf.new
	mv -f /etc/resolv.conf.new /etc/resolv.conf
	echo "DNS $DNS2 removed"
fi

# The ISPname variable can now be used to carry out global and/or
# ISP-specific tasks like downloading mail and/or news. The folowing
# statements are examples. Modify them to best suit your needs.
#--------------------------------------------------------------------

# echo "Interface $interface is now DOWN"
# echo "On $device at $speed Baud"
# echo "Local IP: $localIP"
# echo "Remote IP: $remoteIP"

case $ISPname in

	'My First Provider')
		echo "Provider 1"
		;;

	'My Second Provider')
		echo "Provider 2"
		;;

	*)
		;;
esac