Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java

   1 package edu.uci.iotproject;
   2
   3 import static edu.uci.iotproject.analysis.UserAction.Type;
   4
   5 import edu.uci.iotproject.analysis.TcpConversationUtils;
   6 import edu.uci.iotproject.analysis.TrafficLabeler;
   7 import edu.uci.iotproject.analysis.TriggerTrafficExtractor;
   8 import edu.uci.iotproject.analysis.UserAction;
   9 import edu.uci.iotproject.io.TriggerTimesFileReader;
  10 import org.pcap4j.core.*;
  11 import org.pcap4j.packet.namednumber.DataLinkType;
  12
  13 import java.io.EOFException;
  14 import java.net.UnknownHostException;
  15 import java.time.Instant;
  16 import java.util.*;
  17 import java.util.concurrent.TimeoutException;
  18
  19 /**
  20  * This is a system that reads PCAP files to compare
  21  * patterns of DNS hostnames, packet sequences, and packet
  22  * lengths with training data to determine certain events
  23  * or actions for smart home devices.
  24  *
  25  * @author Janus Varmarken
  26  * @author Rahmadi Trimananda (rtrimana@uci.edu)
  27  * @version 0.1
  28  */
  29 public class Main {
  30
  31
  32     public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException {
  33         // -------------------------------------------------------------------------------------------------------------
  34         // ------------ # Code for extracting traffic generated by a device within x seconds of a trigger # ------------
  35         // Paths to input and output files (consider supplying these as arguments instead) and IP of the device for
  36         // which traffic is to be extracted:
  37         // D-Link July 26 experiment
  38 //        final String inputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/dlink/dlink.wlan1.local.pcap";
  39 //        final String outputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/dlink/dlink-processed.pcap";
  40 //        final String triggerTimesFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/dlink/dlink-july-26-2018.timestamps";
  41 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .199 == dlink plug?
  42         // TP-Link July 25 experiment
  43 //        final String inputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/tplink/tplink.wlan1.local.pcap";
  44 //        final String outputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/tplink/tplink-processed.pcap";
  45 //        final String triggerTimesFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/tplink/tplink-july-25-2018.timestamps";
  46 //        final String deviceIp = "192.168.1.159";
  47         // TP-Link BULB August 1 experiment
  48         final String inputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-08/tplink-bulb/tplink-bulb.wlan1.local.pcap";
  49         final String outputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-08/tplink-bulb/tplink-bulb-processed.pcap";
  50         final String triggerTimesFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-08/tplink-bulb/tplink-bulb-aug-1-2018.timestamps";
  51         final String deviceIp = "192.168.1.140";
  52
  53         TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
  54         List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
  55         // Tag each trigger with "ON" or "OFF", assuming that the first trigger is an "ON" and that they alternate.
  56         List<UserAction> userActions = new ArrayList<>();
  57         for (int i = 0; i < triggerTimes.size(); i++) {
  58             userActions.add(new UserAction(i % 2 == 0 ? Type.TOGGLE_ON : Type.TOGGLE_OFF, triggerTimes.get(i)));
  59         }
  60         TriggerTrafficExtractor tte = new TriggerTrafficExtractor(inputPcapFile, triggerTimes, deviceIp);
  61         final PcapDumper outputter = Pcaps.openDead(DataLinkType.EN10MB, 65536).dumpOpen(outputPcapFile);
  62         DnsMap dnsMap = new DnsMap();
  63         TcpReassembler tcpReassembler = new TcpReassembler();
  64         TrafficLabeler trafficLabeler = new TrafficLabeler(userActions);
  65         tte.performExtraction(pkt -> {
  66             try {
  67                 outputter.dump(pkt);
  68             } catch (NotOpenException e) {
  69                 e.printStackTrace();
  70             }
  71         }, dnsMap, tcpReassembler, trafficLabeler);
  72         outputter.flush();
  73         outputter.close();
  74
  75         if (tte.getPacketsIncludedCount() != trafficLabeler.getTotalPacketCount()) {
  76             // Sanity/debug check
  77             throw new AssertionError(String.format("mismatch between packet count in %s and %s",
  78                     TriggerTrafficExtractor.class.getSimpleName(), TrafficLabeler.class.getSimpleName()));
  79         }
  80
  81         // Extract all conversations present in the filtered trace.
  82         List<Conversation> allConversations = tcpReassembler.getTcpConversations();
  83         // Group conversations by hostname.
  84         Map<String, List<Conversation>> convsByHostname = TcpConversationUtils.groupConversationsByHostname(allConversations, dnsMap);
  85         System.out.println("Grouped conversations by hostname.");
  86         // For each hostname, count the frequencies of packet lengths exchanged with that hostname.
  87         final Map<String, Map<Integer, Integer>> pktLenFreqsByHostname = new HashMap<>();
  88         convsByHostname.forEach((host, convs) -> pktLenFreqsByHostname.put(host, TcpConversationUtils.countPacketLengthFrequencies(convs)));
  89         System.out.println("Counted frequencies of packet lengths exchanged with each hostname.");
  90         // For each hostname, count the frequencies of packet sequences (i.e., count how many conversations exchange a
  91         // sequence of packets of some specific lengths).
  92         final Map<String, Map<String, Integer>> pktSeqFreqsByHostname = new HashMap<>();
  93         convsByHostname.forEach((host, convs) -> pktSeqFreqsByHostname.put(host, TcpConversationUtils.countPacketSequenceFrequencies(convs)));
  94         System.out.println("Counted frequencies of packet sequences exchanged with each hostname.");
  95         // For each hostname, count frequencies of packet pairs exchanged with that hostname across all conversations
  96         final Map<String, Map<String, Integer>> pktPairFreqsByHostname =
  97                 TcpConversationUtils.countPacketPairFrequenciesByHostname(allConversations, dnsMap);
  98         System.out.println("Counted frequencies of packet pairs per hostname");
  99         // -------------------------------------------------------------------------------------------------------------
 100         // -------------------------------------------------------------------------------------------------------------
 101     }
 102
 103 }
 104
 105
 106 // TP-Link MAC 50:c7:bf:33:1f:09 and usually IP 192.168.1.159 (remember to verify per file)
 107 // frame.len >= 556 && frame.len <= 558 && ip.addr == 192.168.1.159