#!/bin/bash

# ************************************************************
# AltEPG Project Source Code Version Control
# $FileID: git::root/hack/bin/setNic.bash $
# $Revision: altepg1.0c root 2011-09-17 23:39:32 +0100 Finalising altepg1.0c $
# Description: Set NIC parameters (invoked from TClient-lib.itcl)
# ************************************************************

nic=$1
ip=$2
gw=$3
mask=$4

SEDEXP=/var/tmp/sedexp

>$SEDEXP
if [ -n "$nic" ];  then echo "s/nic=.*/nic=$nic/g;" >>$SEDEXP; fi
if [ -n "$ip" ];   then echo "s/ip=.*/ip=$ip/g;" >>$SEDEXP; fi
if [ -n "$gw" ];   then echo "s/gateway=.*/gateway=$gw/g;" >>$SEDEXP; fi
if [ -n "$mask" ]; then echo "s/netmask=.*/netmask=$mask/g;" >>$SEDEXP; fi

# mode=test   # delete this line for normal operation

confdir="/etc"
rw="mount -o remount,rw /"
ro="mount -o remount,ro /"

if [ "$mode" = "test" ]; then
  rw=":"
  ro=":"
  confdir="."
fi

conf=$confdir/oztivo.conf
confnew=$confdir/oztivo.conf.new
confold=$confdir/oztivo.conf.old

$rw
sed -f $SEDEXP <$conf >$confnew
if [ $? = 0 ]; then
  rm -f $confold
  mv $conf $confold
  mv $confnew $conf
  echo "nic set to $nic in $conf"
else
  echo "error $? setting nic to $nic in $conf"
fi
$ro