Cellular Network Infrastructure

#!/bin/bash

# Script finds nano3G femtocell on network according to its open ports.

if [ "$1" = "" ]; then

	echo "[ERROR] no interface (e.g. eth0) specified to search for nano3G"

	exit 1

fi

host_ip="$(ip address | grep $1 | grep inet \

	| cut -d 't' -f2 | cut -d '/' -f1)"

subnet="$(echo $host_ip | cut -d '.' -f1,2,3).1/24"

echo "[INFO] seachring nano3G on $1..."

hosts=$(nmap "${subnet}" | grep "scan report" | cut -d ' ' -f5)

sleep 10 # documentum port (10002) closes for 10 s after port scan

femtocell=""

for host in $hosts; do

	if [ "$(nmap -Pn "$host" | grep tcp | tr '\n' ' ' \

		| grep 22 | grep 8089 | grep 8090 | grep 10002)" != "" ]; then

			femtocell=$host

			echo "[INFO] Found nano3G on $femtocell" 

			break

	fi

done

if [ "$femtocell" = "" ]; then

	echo "[ERROR] No femto cell found !!!"

	exit 1

fi