#!/bin/bash
#
# Init file for Password Download Client
#
# chkconfig: 345 98 02
# description: Password Download Client


# Script Copyright CloudCentral Pty. Ltd. (Australian Company: 128 975 842)
# Not to be replicated or copied in any form without written prior approval
#
# based off code from VMops

proc="CloudCentral VM Management"
user=root

# Command Definitions
kernel=$(uname -s)

if [ "$kernel" = "Linux" ]; then
	iproute="ip route list default"
elif [ "$kernel" = "FreeBSD" ]; then
	iproute="ip route list table default"
fi

set_password() {
        DOMR_IP=$(${iproute} | sed 's/^default via \([0-9.]*\) dev .*/\1/' | tail -n 1)
        password=$(wget -t 3 -T 20 -O - -o /dev/null --header "DomU_Request: send_my_password" $DOMR_IP:8080)

        if [ $? -ne 0 ]
        then
               exit 1
        fi

        password=$(echo $password | tr -d '\r')

        if [ "$password" != "saved_password" ]
        then
                echo "${proc}: - Changing password for ${user} as requested."
	        salt=$( dd if=/dev/urandom count=1 bs=20 2> /dev/null | base64 | tr '=+' a)
	        pass=$(echo ${password} | mkpasswd -m sha-512 -s -S "${salt:0:16}" 2> /dev/null) \
		        || pass=$(echo ${password} | mkpasswd -H md5 -s -S "${salt:0:8}" 2> /dev/null)
		if [ -z "${pass}" ]; then
			echo ${password} | passwd --stdin ${user}
		else
		        usermod -p ${pass} ${user}
		fi

                if [ -e /var/spool/first_boot ] && [ -e /usr/bin/mysqladmin ]; then
                        echo "${proc}: - Changing MySQL password for first boot."
                        mysqladmin password $password
                fi

                wget -t 3 -T 20 -O /dev/null -o /dev/null --header "DomU_Request: saved_password" $DOMR_IP:8080
        else
                echo "${proc}: - No password change required."
        fi
}


case "$1" in
        start)
          set_password
	  if [ -e /var/spool/first_boot ]; then
		rm /var/spool/first_boot
	  fi
	  ;;
        *)
          echo "$proc: No action required."
          ;;
esac

exit 0