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.comparison.seqalignment.ExtractedSequence;
  10 import edu.uci.iotproject.comparison.seqalignment.SequenceAlignment;
  11 import edu.uci.iotproject.comparison.seqalignment.SequenceExtraction;
  12 import edu.uci.iotproject.io.TriggerTimesFileReader;
  13 import org.pcap4j.core.*;
  14 import org.pcap4j.packet.namednumber.DataLinkType;
  15
  16 import java.io.EOFException;
  17 import java.net.UnknownHostException;
  18 import java.time.Instant;
  19 import java.util.*;
  20 import java.util.concurrent.TimeoutException;
  21
  22 /**
  23  * This is a system that reads PCAP files to compare
  24  * patterns of DNS hostnames, packet sequences, and packet
  25  * lengths with training data to determine certain events
  26  * or actions for smart home devices.
  27  *
  28  * @author Janus Varmarken
  29  * @author Rahmadi Trimananda (rtrimana@uci.edu)
  30  * @version 0.1
  31  */
  32 public class Main {
  33
  34
  35     public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException {
  36         // -------------------------------------------------------------------------------------------------------------
  37         // ------------ # Code for extracting traffic generated by a device within x seconds of a trigger # ------------
  38         // Paths to input and output files (consider supplying these as arguments instead) and IP of the device for
  39         // which traffic is to be extracted:
  40         String path = "/scratch/July-2018"; // Rahmadi
  41 //        String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
  42         boolean verbose = true;
  43
  44         // 1) D-Link July 26 experiment
  45 //        final String inputPcapFile = path + "/2018-07/dlink/dlink.wlan1.local.pcap";
  46 //        final String outputPcapFile = path + "/2018-07/dlink/dlink-processed.pcap";
  47 //        final String triggerTimesFile = path + "/2018-07/dlink/dlink-july-26-2018.timestamps";
  48 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .199 == dlink plug?
  49
  50         // 2) TP-Link July 25 experiment
  51 //        final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.pcap";
  52 //        final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.pcap";
  53 //        final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.timestamps";
  54 //        final String deviceIp = "192.168.1.159";
  55
  56         // 2b) TP-Link July 25 experiment TRUNCATED:
  57         // Only contains "true local" events, i.e., before the behavior changes to remote-like behavior.
  58         // Last included event is at July 25 10:38:11; file filtered to only include packets with arrival time <= 10:38:27.
  59 //        final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.truncated.pcap";
  60 //        final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.truncated.pcap";
  61 //        final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.truncated.timestamps";
  62 //        final String deviceIp = "192.168.1.159";
  63
  64         // 3) SmartThings Plug July 25 experiment
  65 //        final String inputPcapFile = path + "/2018-07/stplug/stplug.wlan1.local.pcap";
  66 //        final String outputPcapFile = path + "/2018-07/stplug/stplug-processed.pcap";
  67 //        final String triggerTimesFile = path + "/2018-07/stplug/smartthings-july-25-2018.timestamps";
  68 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
  69
  70         // 4) Wemo July 30 experiment
  71         final String inputPcapFile = path + "/2018-07/wemo/wemo.wlan1.local.pcap";
  72         final String outputPcapFile = path + "/2018-07/wemo/wemo-processed.pcap";
  73         final String triggerTimesFile = path + "/2018-07/wemo/wemo-july-30-2018.timestamps";
  74         final String deviceIp = "192.168.1.145";
  75
  76         // 5) Wemo Insight July 31 experiment
  77 //        final String inputPcapFile = path + "/2018-07/wemoinsight/wemoinsight.wlan1.local.pcap";
  78 //        final String outputPcapFile = path + "/2018-07/wemoinsight/wemoinsight-processed.pcap";
  79 //        final String triggerTimesFile = path + "/2018-07/wemoinsight/wemo-insight-july-31-2018.timestamps";
  80 //        final String deviceIp = "192.168.1.135";
  81
  82         // 6) TP-Link Bulb August 1 experiment
  83 //        final String inputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb.wlan1.local.pcap";
  84 //        final String outputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb-processed.pcap";
  85 //        final String triggerTimesFile = path + "/2018-08/tplink-bulb/tplink-bulb-aug-3-2018.timestamps";
  86 //        final String deviceIp = "192.168.1.140";
  87
  88         // 7) Kwikset Doorlock August 6 experiment
  89 //        final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock.wlan1.local.pcap";
  90 //        final String outputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-processed.pcap";
  91 //        final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-aug-6-2018.timestamps";
  92 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
  93
  94         // 8) Hue Bulb August 7 experiment
  95 //        final String inputPcapFile = path + "/2018-08/hue-bulb/hue-bulb.wlan1.local.pcap";
  96 //        final String outputPcapFile = path + "/2018-08/hue-bulb/hue-bulb-processed.pcap";
  97 //        final String triggerTimesFile = path + "/2018-08/hue-bulb/hue-bulb-aug-7-2018.timestamps";
  98 //        final String deviceIp = "192.168.1.246";
  99
 100         // 9) Lifx Bulb August 8 experiment
 101 //        final String inputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb.wlan1.local.pcap";
 102 //        final String outputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb-processed.pcap";
 103 //        final String triggerTimesFile = path + "/2018-08/lifx-bulb/lifx-bulb-aug-8-2018.timestamps";
 104 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .231 == Lifx
 105
 106         // 10) Amcrest Camera August 9 experiment
 107 //        final String inputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera.wlan1.local.pcap";
 108 //        final String outputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera-processed.pcap";
 109 //        final String triggerTimesFile = path + "/2018-08/amcrest-camera/amcrest-camera-aug-9-2018.timestamps";
 110 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .235 == camera
 111
 112         // 11) Arlo Camera August 10 experiment
 113 //        final String inputPcapFile = path + "/2018-08/arlo-camera/arlo-camera.wlan1.local.pcap";
 114 //        final String outputPcapFile = path + "/2018-08/arlo-camera/arlo-camera-processed.pcap";
 115 //        final String triggerTimesFile = path + "/2018-08/arlo-camera/arlo-camera-aug-10-2018.timestamps";
 116 //        final String deviceIp = "192.168.1.140"; // .246 == phone; .140 == camera
 117
 118         // 12) Blossom sprinkler August 13 experiment
 119 //        final String inputPcapFile = path + "/2018-08/blossom/blossom.wlan1.local.pcap";
 120 //        final String outputPcapFile = path + "/2018-08/blossom/blossom-processed.pcap";
 121 //        final String triggerTimesFile = path + "/2018-08/blossom/blossom-aug-13-2018.timestamps";
 122 //        final String deviceIp = "192.168.1.229"; // .246 == phone; .229 == sprinkler
 123
 124         // 13) DLink siren August 14 experiment
 125 //        final String inputPcapFile = path + "/2018-08/dlink-siren/dlink-siren.wlan1.local.pcap";
 126 //        final String outputPcapFile = path + "/2018-08/dlink-siren/dlink-siren-processed.pcap";
 127 //        final String triggerTimesFile = path + "/2018-08/dlink-siren/dlink-siren-aug-14-2018.timestamps";
 128 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .183 == siren
 129
 130         // 14) Nest thermostat August 15 experiment
 131 //        final String inputPcapFile = path + "/2018-08/nest/nest.wlan1.local.pcap";
 132 //        final String outputPcapFile = path + "/2018-08/nest/nest-processed.pcap";
 133 //        final String triggerTimesFile = path + "/2018-08/nest/nest-aug-15-2018.timestamps";
 134 //        final String deviceIp = "192.168.1.246"; // .246 == phone; .127 == Nest thermostat
 135
 136         // 15) Alexa August 16 experiment
 137 //        final String inputPcapFile = path + "/2018-08/alexa/alexa.wlan1.local.pcap";
 138 //        final String outputPcapFile = path + "/2018-08/alexa/alexa-processed.pcap";
 139 //        final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-16-2018.timestamps";
 140 //        final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
 141         // August 17
 142 //        final String inputPcapFile = path + "/2018-08/alexa/alexa2.wlan1.local.pcap";
 143 //        final String outputPcapFile = path + "/2018-08/alexa/alexa2-processed.pcap";
 144 //        final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-17-2018.timestamps";
 145 //        final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
 146
 147         TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
 148         List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
 149         // Tag each trigger with "ON" or "OFF", assuming that the first trigger is an "ON" and that they alternate.
 150         List<UserAction> userActions = new ArrayList<>();
 151         for (int i = 0; i < triggerTimes.size(); i++) {
 152             userActions.add(new UserAction(i % 2 == 0 ? Type.TOGGLE_ON : Type.TOGGLE_OFF, triggerTimes.get(i)));
 153         }
 154         TriggerTrafficExtractor tte = new TriggerTrafficExtractor(inputPcapFile, triggerTimes, deviceIp);
 155         final PcapDumper outputter = Pcaps.openDead(DataLinkType.EN10MB, 65536).dumpOpen(outputPcapFile);
 156         DnsMap dnsMap = new DnsMap();
 157         TcpReassembler tcpReassembler = new TcpReassembler();
 158         TrafficLabeler trafficLabeler = new TrafficLabeler(userActions);
 159         tte.performExtraction(pkt -> {
 160             try {
 161                 outputter.dump(pkt);
 162             } catch (NotOpenException e) {
 163                 e.printStackTrace();
 164             }
 165         }, dnsMap, tcpReassembler, trafficLabeler);
 166         outputter.flush();
 167         outputter.close();
 168
 169         if (tte.getPacketsIncludedCount() != trafficLabeler.getTotalPacketCount()) {
 170             // Sanity/debug check
 171             throw new AssertionError(String.format("mismatch between packet count in %s and %s",
 172                     TriggerTrafficExtractor.class.getSimpleName(), TrafficLabeler.class.getSimpleName()));
 173         }
 174
 175         // Extract all conversations present in the filtered trace.
 176         List<Conversation> allConversations = tcpReassembler.getTcpConversations();
 177         // Group conversations by hostname.
 178         Map<String, List<Conversation>> convsByHostname = TcpConversationUtils.groupConversationsByHostname(allConversations, dnsMap);
 179         System.out.println("Grouped conversations by hostname.");
 180         // For each hostname, count the frequencies of packet lengths exchanged with that hostname.
 181         final Map<String, Map<Integer, Integer>> pktLenFreqsByHostname = new HashMap<>();
 182         convsByHostname.forEach((host, convs) -> pktLenFreqsByHostname.put(host, TcpConversationUtils.countPacketLengthFrequencies(convs)));
 183         System.out.println("Counted frequencies of packet lengths exchanged with each hostname.");
 184         // For each hostname, count the frequencies of packet sequences (i.e., count how many conversations exchange a
 185         // sequence of packets of some specific lengths).
 186         final Map<String, Map<String, Integer>> pktSeqFreqsByHostname = new HashMap<>();
 187         convsByHostname.forEach((host, convs) -> pktSeqFreqsByHostname.put(host, TcpConversationUtils.countPacketSequenceFrequencies(convs)));
 188         System.out.println("Counted frequencies of packet sequences exchanged with each hostname.");
 189         // For each hostname, count frequencies of packet pairs exchanged with that hostname across all conversations
 190         final Map<String, Map<String, Integer>> pktPairFreqsByHostname =
 191                 TcpConversationUtils.countPacketPairFrequenciesByHostname(allConversations, dnsMap);
 192         System.out.println("Counted frequencies of packet pairs per hostname");
 193         // For each user action, reassemble the set of TCP connections occurring shortly after
 194         final Map<UserAction, List<Conversation>> userActionToConversations = trafficLabeler.getLabeledReassembledTcpTraffic();
 195         final Map<UserAction, Map<String, List<Conversation>>> userActionsToConvsByHostname = trafficLabeler.getLabeledReassembledTcpTraffic(dnsMap);
 196         System.out.println("Reassembled TCP conversations occurring shortly after each user event");
 197
 198
 199
 200         // Contains all ON events: hostname -> sequence identifier -> list of conversations with that sequence
 201         Map<String, Map<String, List<Conversation>>> ons = new HashMap<>();
 202         // Contains all OFF events: hostname -> sequence identifier -> list of conversations with that sequence
 203         Map<String, Map<String, List<Conversation>>> offs = new HashMap<>();
 204
 205         if (verbose) {
 206             userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
 207                 Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
 208                 hostnameToConvs.forEach((host, convs) -> {
 209                     Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
 210                             groupConversationsByPacketSequenceVerbose(convs);
 211                     outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
 212                         newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
 213                             list1.addAll(list2);
 214                             return list1;
 215                         }));
 216                         return oldMap;
 217                     });
 218                 });
 219             });
 220         } else {
 221             userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
 222                 Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
 223                 hostnameToConvs.forEach((host, convs) -> {
 224                     Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
 225                             groupConversationsByPacketSequence(convs);
 226                     outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
 227                         newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
 228                             list1.addAll(list2);
 229                             return list1;
 230                         }));
 231                         return oldMap;
 232                     });
 233                 });
 234             });
 235         }
 236
 237         // ================================================================================================
 238         // <<< Some work-in-progress/explorative code that extracts a "representative" sequence >>>
 239         //
 240         // Currently need to know relevant hostname in advance :(
 241         String hostname = "events.tplinkra.com";
 242         // Conversations with 'hostname' for ON events.
 243         List<Conversation> onsForHostname = new ArrayList<>();
 244         // Conversations with 'hostname' for OFF events.
 245         List<Conversation> offsForHostname = new ArrayList<>();
 246         // "Unwrap" sequence groupings in ons/offs maps.
 247         ons.get(hostname).forEach((k,v) -> onsForHostname.addAll(v));
 248         offs.get(hostname).forEach((k,v) -> offsForHostname.addAll(v));
 249         // Extract representative sequence for ON and OFF by providing the list of conversations with
 250         // 'hostname' observed for each event type (the training data).
 251         SequenceExtraction seqExtraction = new SequenceExtraction();
 252         ExtractedSequence extractedSequenceForOn = seqExtraction.extract(onsForHostname);
 253         ExtractedSequence extractedSequenceForOff = seqExtraction.extract(offsForHostname);
 254         // Let's check how many ONs align with OFFs and vice versa (that is, how many times an event is incorrectly
 255         // labeled).
 256         int onsLabeledAsOff = 0;
 257         Integer[] representativeOnSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOn.getRepresentativeSequence());
 258         Integer[] representativeOffSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOff.getRepresentativeSequence());
 259         SequenceAlignment<Integer> seqAlg = seqExtraction.getAlignmentAlgorithm();
 260         for (Conversation c : onsForHostname) {
 261             Integer[] onSeq = TcpConversationUtils.getPacketLengthSequence(c);
 262             if (seqAlg.calculateAlignment(representativeOffSeq, onSeq) <= extractedSequenceForOff.getMaxAlignmentCost()) {
 263                 onsLabeledAsOff++;
 264             }
 265         }
 266         int offsLabeledAsOn = 0;
 267         for (Conversation c : offsForHostname) {
 268             Integer[] offSeq = TcpConversationUtils.getPacketLengthSequence(c);
 269             if (seqAlg.calculateAlignment(representativeOnSeq, offSeq) <= extractedSequenceForOn.getMaxAlignmentCost()) {
 270                 offsLabeledAsOn++;
 271             }
 272         }
 273         System.out.println("");
 274         // ================================================================================================
 275
 276
 277         // -------------------------------------------------------------------------------------------------------------
 278         // -------------------------------------------------------------------------------------------------------------
 279     }
 280
 281 }
 282
 283
 284 // TP-Link MAC 50:c7:bf:33:1f:09 and usually IP 192.168.1.159 (remember to verify per file)
 285 // frame.len >= 556 && frame.len <= 558 && ip.addr == 192.168.1.159