#!/bin/bash # # retreiveip.txt - Script containing two functions to automatically grab IP dynamically # # Copyright (C) 2001 Oskar Andreasson <bluefluxATkoffeinDOTnet> # # Originally written and provided by Jelle Kalf <jkalfATunoDOTnl>. All # greetings, thanks and feedback should be sent to him for this script. # # 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; version 2 of the License. # # 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 or from the site that you downloaded it # from; if not, write to the Free Software Foundation, Inc., 59 Temple # Place, Suite 330, Boston, MA 02111-1307 USA # RetrieveIP() { nic="$1" TEMP="" if ! /sbin/ifconfig | grep $nic > /dev/null; then echo -e "\n\n interface $nic does not exist... Aborting!" exit 1; fi TEMP=`ifconfig $nic | awk '/inet addr/ { gsub(".*:", "", $2) ; print $2 }'` if [ "$TEMP" = '' ]; then echo "Aborting: Unable to determine the IP of $nic ... DHCP problem?" exit 1 fi } RetrieveBC() { nic="$1" BROADCAST=`ifconfig $nic | awk '/inet addr/ { gsub(".*:", "", $3) ; print $3 }'` }