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         String path = "/scratch/July-2018"; // Rahmadi
  38         //String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
  39
  40         // D-Link July 26 experiment
  41 //        final String inputPcapFile = path + "/2018-07/dlink/dlink.wlan1.local.pcap";
  42 //        final String outputPcapFile = path + "/2018-07/dlink/dlink-processed.pcap";
  43 //        final String triggerTimesFile = path + "/2018-07/dlink/dlink-july-26-2018.timestamps";
  44 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .199 == dlink plug?
  45
  46         // TP-Link July 25 experiment
  47         final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.pcap";
  48         final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.pcap";
  49         final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.timestamps";
  50         final String deviceIp = "192.168.1.159";
  51
  52         // SmartThings Plug July 25 experiment
  53 //        final String inputPcapFile = path + "/2018-07/stplug/stplug.wlan1.local.pcap";
  54 //        final String outputPcapFile = path + "/2018-07/stplug/stplug-processed.pcap";
  55 //        final String triggerTimesFile = path + "/2018-07/stplug/smartthings-july-25-2018.timestamps";
  56 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
  57
  58         // Wemo July 30 experiment
  59 //        final String inputPcapFile = path + "/2018-07/wemo/wemo.wlan1.local.pcap";
  60 //        final String outputPcapFile = path + "/2018-07/wemo/wemo-processed.pcap";
  61 //        final String triggerTimesFile = path + "/2018-07/wemo/wemo-july-30-2018.timestamps";
  62 //        final String deviceIp = "192.168.1.145";
  63
  64         // Wemo Insight July 31 experiment
  65 //        final String inputPcapFile = path + "/2018-07/wemoinsight/wemoinsight.wlan1.local.pcap";
  66 //        final String outputPcapFile = path + "/2018-07/wemoinsight/wemoinsight-processed.pcap";
  67 //        final String triggerTimesFile = path + "/2018-07/wemoinsight/wemo-insight-july-31-2018.timestamps";
  68 //        final String deviceIp = "192.168.1.135";
  69
  70         // TP-Link BULB August 1 experiment
  71 //        final String inputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb.wlan1.local.pcap";
  72 //        final String outputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb-processed.pcap";
  73 //        final String triggerTimesFile = path + "/2018-08/tplink-bulb/tplink-bulb-aug-3-2018.timestamps";
  74 //        final String deviceIp = "192.168.1.140";
  75
  76         TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
  77         List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
  78         // Tag each trigger with "ON" or "OFF", assuming that the first trigger is an "ON" and that they alternate.
  79         List<UserAction> userActions = new ArrayList<>();
  80         for (int i = 0; i < triggerTimes.size(); i++) {
  81             userActions.add(new UserAction(i % 2 == 0 ? Type.TOGGLE_ON : Type.TOGGLE_OFF, triggerTimes.get(i)));
  82         }
  83         TriggerTrafficExtractor tte = new TriggerTrafficExtractor(inputPcapFile, triggerTimes, deviceIp);
  84         final PcapDumper outputter = Pcaps.openDead(DataLinkType.EN10MB, 65536).dumpOpen(outputPcapFile);
  85         DnsMap dnsMap = new DnsMap();
  86         TcpReassembler tcpReassembler = new TcpReassembler();
  87         TrafficLabeler trafficLabeler = new TrafficLabeler(userActions);
  88         tte.performExtraction(pkt -> {
  89             try {
  90                 outputter.dump(pkt);
  91             } catch (NotOpenException e) {
  92                 e.printStackTrace();
  93             }
  94         }, dnsMap, tcpReassembler, trafficLabeler);
  95         outputter.flush();
  96         outputter.close();
  97
  98         if (tte.getPacketsIncludedCount() != trafficLabeler.getTotalPacketCount()) {
  99             // Sanity/debug check
 100             throw new AssertionError(String.format("mismatch between packet count in %s and %s",
 101                     TriggerTrafficExtractor.class.getSimpleName(), TrafficLabeler.class.getSimpleName()));
 102         }
 103
 104         // Extract all conversations present in the filtered trace.
 105         List<Conversation> allConversations = tcpReassembler.getTcpConversations();
 106         // Group conversations by hostname.
 107         Map<String, List<Conversation>> convsByHostname = TcpConversationUtils.groupConversationsByHostname(allConversations, dnsMap);
 108         System.out.println("Grouped conversations by hostname.");
 109         // For each hostname, count the frequencies of packet lengths exchanged with that hostname.
 110         final Map<String, Map<Integer, Integer>> pktLenFreqsByHostname = new HashMap<>();
 111         convsByHostname.forEach((host, convs) -> pktLenFreqsByHostname.put(host, TcpConversationUtils.countPacketLengthFrequencies(convs)));
 112         System.out.println("Counted frequencies of packet lengths exchanged with each hostname.");
 113         // For each hostname, count the frequencies of packet sequences (i.e., count how many conversations exchange a
 114         // sequence of packets of some specific lengths).
 115         final Map<String, Map<String, Integer>> pktSeqFreqsByHostname = new HashMap<>();
 116         convsByHostname.forEach((host, convs) -> pktSeqFreqsByHostname.put(host, TcpConversationUtils.countPacketSequenceFrequencies(convs)));
 117         System.out.println("Counted frequencies of packet sequences exchanged with each hostname.");
 118         // For each hostname, count frequencies of packet pairs exchanged with that hostname across all conversations
 119         final Map<String, Map<String, Integer>> pktPairFreqsByHostname =
 120                 TcpConversationUtils.countPacketPairFrequenciesByHostname(allConversations, dnsMap);
 121         System.out.println("Counted frequencies of packet pairs per hostname");
 122         // For each user action, reassemble the set of TCP connections occurring shortly after
 123         final Map<UserAction, List<Conversation>> userActionToConversations = trafficLabeler.getLabeledReassembledTcpTraffic();
 124         final Map<UserAction, Map<String, List<Conversation>>> userActionsToConvsByHostname = trafficLabeler.getLabeledReassembledTcpTraffic(dnsMap);
 125         System.out.println("Reassembled TCP conversations occurring shortly after each user event");
 126
 127
 128
 129         // Contains all ON events: hostname -> sequence identifier -> list of conversations with that sequence
 130         Map<String, Map<String, List<Conversation>>> ons = new HashMap<>();
 131         // Contains all OFF events: hostname -> sequence identifier -> list of conversations with that sequence
 132         Map<String, Map<String, List<Conversation>>> offs = new HashMap<>();
 133         userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
 134             Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
 135             hostnameToConvs.forEach((host, convs) -> {
 136                 Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
 137                         groupConversationsByPacketSequence(convs);
 138                 outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
 139                     newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
 140                         list1.addAll(list2);
 141                         return list1;
 142                     }));
 143                     return oldMap;
 144                 });
 145             });
 146         });
 147
 148         System.out.println("");
 149
 150         // -------------------------------------------------------------------------------------------------------------
 151         // -------------------------------------------------------------------------------------------------------------
 152     }
 153
 154 }
 155
 156
 157 // TP-Link MAC 50:c7:bf:33:1f:09 and usually IP 192.168.1.159 (remember to verify per file)
 158 // frame.len >= 556 && frame.len <= 558 && ip.addr == 192.168.1.159