#! /bin/sh

# ip-changed (ip-up or ip-down) - E-Mail Notifier
# @author Kenichi Maehashi - http://www.kenichimaehashi.com/

MAIL_TO="root"

INTERFACE_NAME=$1
TTY_DEVICE=$2
SPEED=$3
LOCAL_IPADDR=$4
REMOTE_IPADDR=$5
IPPARAM=$6

DATE_TIME=`date`
HOSTNAME=`hostname`

case "$0" in
	*up*	) STATUS="UP" ;;
	*down*	) STATUS="DOWN" ;;
	*	) STATUS="Status Changed" ;;
esac

MAIL_SUBJECT="VPN $STATUS alert for $HOSTNAME!"
cat << _EOF_ | mail -s "$MAIL_SUBJECT" "$MAIL_TO"
$MAIL_SUBJECT

Status: $STATUS
Host: $HOSTNAME
Date/Time: $DATE_TIME

Interface: $INTERFACE_NAME
TTY Device: $TTY_DEVICE
Speed: $SPEED
Local IP: $LOCAL_IPADDR
Remote IP: $REMOTE_IPADDR
Parameter: $IPPARAM

_EOF_