84 lines
2.5 KiB
Java
84 lines
2.5 KiB
Java
/*
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* Copyright (c) 2006-2016 Wade Alcorn - wade@bindshell.net
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* Browser Exploitation Framework (BeEF) - http://beefproject.com
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* See the file 'doc/COPYING' for copying permission
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*/
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import java.applet.Applet;
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import java.io.IOException;
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import java.net.InetAddress;
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import java.net.UnknownHostException;
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import java.util.ArrayList;
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import java.util.List;
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/*
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* Coded by Michele "antisnatchor" Orru' for the BeEF project.
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* Given a single IP or IP range, check without hosts are alive (ping sweep).
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*/
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public class pingSweep extends Applet {
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public static String ipRange = "";
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public static int timeout = 0;
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public static List<InetAddress> hostList;
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public pingSweep() {
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super();
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return;
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}
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public void init(){
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ipRange = getParameter("ipRange");
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timeout = Integer.parseInt(getParameter("timeout"));
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}
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//called from JS
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public static int getHostsNumber(){
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try{
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hostList = parseIpRange(ipRange);
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}catch(UnknownHostException e){ //do something
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}
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return hostList.size();
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}
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//called from JS
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public static String getAliveHosts(){
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String result = "";
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try{
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result = checkHosts(hostList);
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}catch(IOException io){
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//do something
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}
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return result;
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}
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private static List<InetAddress> parseIpRange(String ipRange) throws UnknownHostException {
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List<InetAddress> addresses = new ArrayList<InetAddress>();
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if (ipRange.indexOf("-") != -1) { //multiple IPs: ipRange = 172.31.229.240-172.31.229.250
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String[] ips = ipRange.split("-");
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String[] octets = ips[0].split("\\.");
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int lowerBound = Integer.parseInt(octets[3]);
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int upperBound = Integer.parseInt(ips[1].split("\\.")[3]);
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for (int i = lowerBound; i <= upperBound; i++) {
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String ip = octets[0] + "." + octets[1] + "." + octets[2] + "." + i;
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addresses.add(InetAddress.getByName(ip));
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}
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} else { //single ip: ipRange = 172.31.229.240
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addresses.add(InetAddress.getByName(ipRange));
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}
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return addresses;
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}
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private static String checkHosts(List<InetAddress> inetAddresses) throws IOException {
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String alive = "";
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for (InetAddress inetAddress : inetAddresses) {
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if (inetAddress.isReachable(timeout)) {
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alive += inetAddress.toString() + "\n";
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}
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}
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return alive;
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}
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}
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