#!/bin/bash



  #
  # Copyright (C) 2010 Cloud.com, Inc.  All rights reserved.
  # 
  # This software is licensed under the GNU General Public License v3 or later.
  # 
  # It 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 3 of the License, or 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, see <http://www.gnu.org/licenses/>.
  #
 

# Usage
#	save_password -v <user VM IP> -p <password>
#
PASSWD_FILE=/var/cache/cloud/passwords

while getopts 'v:p:' OPTION
do
  case $OPTION in
  v)	VM_IP="$OPTARG"
		;;
  p)	
		ENCODEDPASSWORD="$OPTARG"
		PASSWORD=$(echo $ENCODEDPASSWORD | tr '[a-m][n-z][A-M][N-Z]' '[n-z][a-m][N-Z][A-M]')
		;;
  ?)	echo "Incorrect usage"
		exit 1
		;;
  esac
done

[ -f $PASSWD_FILE ] ||  touch $PASSWD_FILE

sed -i /$VM_IP/d $PASSWD_FILE
echo "$VM_IP=$PASSWORD" >> $PASSWD_FILE

exit $?