Subversion Repositories ALCASAR

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Rev Author Line No. Line
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#!/bin/bash
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# alcasar-iot_capture.sh
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# by Guillaume Gellusseau, Dorian Lemoine & REXY
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# This script is distributed under the Gnu General Public License (GPL)
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# Ce script lance une capture de flux réseau en fonction d'une adresse IP source ($1) 
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# This script performs a network flow capture based on source ip address ($1) 
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CONF_FILE="/usr/local/etc/alcasar.conf"
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INTIF=`grep ^INTIF= $CONF_FILE|cut -d"=" -f2`
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PRIVATE_IP=$(grep ^PRIVATE_IP= $CONF_FILE | cut -d'=' -f2 | cut -d'/' -f1)
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function info
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{
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	_PID=$(ps -ef | grep tcpdump | grep $1 | awk {'print $2'})
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	if [[ -n $_PID ]]
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	then
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		echo "CaptureON"
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	else
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		echo "CaptureOFF"
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	fi
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}
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function kill
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{
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	_PID=$(ps -ef | grep tcpdump | grep $1 | awk {'print $2'})
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	sudo kill -2 $_PID
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}
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function launch
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{
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# capture only one @MAC, on $INTIF, max filesize=10M, without flows to PRIVATE_IP except DNS
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	sudo tcpdump "ether host $1 and (host not $PRIVATE_IP or port 53)" -i $INTIF -n -C 10 -W 1 -w /var/Save/iot_captures/$1.pcap
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}
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function flush
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{
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	sudo rm /var/Save/iot_captures/$1.pcap -f
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}
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while getopts "l k i f" option; do
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	case "${option}" in
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		l)
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			launch $2
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			;;
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		k)
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			kill $2
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			;;
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		i)
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			info $2
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			;;
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		f)
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			flush $2
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			;;
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	esac
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done
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#End