#!/bin/bash
################################################################################
#
# File:         newpasswd
# Description:  Change the root passwd entry in /etc/passwd
# Author:       Kevin Lister kel@cup.hp.com
# Language:     Korn Shell
#
# (c) Copyright 1999, Hewlett-Packard Company, all rights reserved.
#
################################################################################
#
##
### Variables
##
#

ADMIN=pdl-support@cup.hp.com
PWFILE=/etc/passwd
PWFILENEW=/etc/passwd-new
PWFILEOLD=/etc/passwd-old
SYSNAME=$(uname -n)
BASE=${0##*/}
WHOAMI=$(id -u)
NULL=/dev/null

#
##
### Functions
##
#

# Functions
function error {
  print -u2 "$BASE: Error: $1"
}

#
##
### Main
##
#

# Must be root to run this
if [ $WHOAMI -ne 0 ]; then
	error "Must be root to execute this command... Exiting."
	exit 0
fi

# Create the new passwd file
/bin/cat >> $PWFILENEW <<:NEWPW
root:u4/rTgJX35zHg:0:1:Root@$SYSNAME:/:/sbin/sh
:NEWPW
/bin/grep -v "^root" $PWFILE >> $PWFILENEW

# Save the old passwd file, install the new one
/bin/mv $PWFILE $PWFILEOLD
/bin/mv $PWFILENEW $PWFILE
/bin/chmod 444 $PWFILE
/bin/chown root:other $PWFILE

# Email us that a machine was updated
/usr/bin/mailx -s "$SYSNAME: Root passwd changed!" $ADMIN < $NULL