1 package edu.uci.iotproject;
3 import static edu.uci.iotproject.analysis.UserAction.Type;
5 import edu.uci.iotproject.analysis.*;
6 import edu.uci.iotproject.comparison.seqalignment.ExtractedSequence;
7 import edu.uci.iotproject.comparison.seqalignment.SequenceAlignment;
8 import edu.uci.iotproject.comparison.seqalignment.SequenceExtraction;
9 import edu.uci.iotproject.io.TriggerTimesFileReader;
10 import edu.uci.iotproject.util.PcapPacketUtils;
11 import edu.uci.iotproject.util.PrintUtils;
12 import org.apache.commons.math3.stat.clustering.Cluster;
13 import org.apache.commons.math3.stat.clustering.DBSCANClusterer;
14 import org.pcap4j.core.*;
15 import org.pcap4j.packet.namednumber.DataLinkType;
17 import java.io.EOFException;
19 import java.io.PrintWriter;
20 import java.net.UnknownHostException;
21 import java.time.Instant;
23 import java.util.concurrent.TimeoutException;
24 import java.util.stream.Collectors;
25 import java.util.stream.Stream;
28 * This is a system that reads PCAP files to compare
29 * patterns of DNS hostnames, packet sequences, and packet
30 * lengths with training data to determine certain events
31 * or actions for smart home devices.
33 * @author Janus Varmarken
34 * @author Rahmadi Trimananda (rtrimana@uci.edu)
40 public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException {
41 // -------------------------------------------------------------------------------------------------------------
42 // ------------ # Code for extracting traffic generated by a device within x seconds of a trigger # ------------
43 // Paths to input and output files (consider supplying these as arguments instead) and IP of the device for
44 // which traffic is to be extracted:
45 String path = "/scratch/July-2018"; // Rahmadi
46 // String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
47 boolean verbose = true;
48 final String onPairsPath = "/scratch/July-2018/on.txt";
49 final String offPairsPath = "/scratch/July-2018/off.txt";
51 // 1) D-Link July 26 experiment
52 // final String inputPcapFile = path + "/2018-07/dlink/dlink.wlan1.local.pcap";
53 // final String outputPcapFile = path + "/2018-07/dlink/dlink-processed.pcap";
54 // final String triggerTimesFile = path + "/2018-07/dlink/dlink-july-26-2018.timestamps";
55 // final String deviceIp = "192.168.1.199"; // .246 == phone; .199 == dlink plug?
57 // final String inputPcapFile = path + "/2018-10/dlink-plug/dlink-plug.wlan1.local.pcap";
58 // final String outputPcapFile = path + "/2018-10/dlink-plug/dlink-plug-processed.pcap";
59 // final String triggerTimesFile = path + "/2018-10/dlink-plug/dlink-plug-oct-17-2018.timestamps";
60 // final String deviceIp = "192.168.1.199"; // .246 == phone; .199 == dlink plug?
61 // TODO: EXPERIMENT - November 7, 2018
62 // final String inputPcapFile = path + "/experimental_result/standalone/dlink-plug/wlan1/dlink-plug.wlan1.local.pcap";
63 // final String outputPcapFile = path + "/experimental_result/standalone/dlink-plug/wlan1/dlink-plug-processed.pcap";
64 // final String triggerTimesFile = path + "/experimental_result/standalone/dlink-plug/timestamps/dlink-plug-nov-7-2018.timestamps";
65 // //final String deviceIp = "192.168.1.199"; // .246 == phone; .199 == dlink plug?
66 // final String deviceIp = "192.168.1.246"; // .246 == phone; .199 == dlink plug?
68 // 2) TP-Link July 25 experiment
69 // final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.pcap";
70 // final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.pcap";
71 // final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.timestamps";
72 // final String deviceIp = "192.168.1.159";
74 // final String inputPcapFile = path + "/2018-10/tplink-plug/tplink-plug.wlan1.local.pcap";
75 // final String outputPcapFile = path + "/2018-10/tplink-plug/tplink-plug-processed.pcap";
76 // final String triggerTimesFile = path + "/2018-10/tplink-plug/tplink-plug-oct-17-2018.timestamps";
77 // final String deviceIp = "192.168.1.246"; // .246 == phone; .159 == tplink plug
78 // TODO: EXPERIMENT - November 8, 2018
79 // final String inputPcapFile = path + "/experimental_result/standalone/tplink-plug/wlan1/tplink-plug.wlan1.local.pcap";
80 // final String outputPcapFile = path + "/experimental_result/standalone/tplink-plug/wlan1/tplink-plug-processed.pcap";
81 // final String triggerTimesFile = path + "/experimental_result/standalone/tplink-plug/timestamps/tplink-plug-nov-8-2018.timestamps";
82 // final String deviceIp = "192.168.1.159"; // .246 == phone; .159 == tplink plug
83 //// final String deviceIp = "192.168.1.246"; // .246 == phone; .159 == tplink plug
85 // 2b) TP-Link July 25 experiment TRUNCATED:
86 // Only contains "true local" events, i.e., before the behavior changes to remote-like behavior.
87 // Last included event is at July 25 10:38:11; file filtered to only include packets with arrival time <= 10:38:27.
88 // final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.truncated.pcap";
89 // final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.truncated.pcap";
90 // final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.truncated.timestamps";
91 // final String deviceIp = "192.168.1.159";
93 // 3) SmartThings Plug July 25 experiment
94 // final String inputPcapFile = path + "/2018-07/stplug/stplug.wlan1.local.pcap";
95 // final String outputPcapFile = path + "/2018-07/stplug/stplug-processed.pcap";
96 // final String triggerTimesFile = path + "/2018-07/stplug/smartthings-july-25-2018.timestamps";
97 // final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
99 // final String inputPcapFile = path + "/2018-10/st-plug/st-plug.wlan1.local.pcap";
100 // final String outputPcapFile = path + "/2018-10/st-plug/st-plug-processed.pcap";
101 // final String triggerTimesFile = path + "/2018-10/st-plug/st-plug-oct-18-2018.timestamps";
102 // final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
104 // 4) Wemo July 30 experiment
105 // final String inputPcapFile = path + "/2018-07/wemo/wemo.wlan1.local.pcap";
106 // final String outputPcapFile = path + "/2018-07/wemo/wemo-processed.pcap";
107 // final String triggerTimesFile = path + "/2018-07/wemo/wemo-july-30-2018.timestamps";
108 // final String deviceIp = "192.168.1.145"; // .246 == phone; .145 == WeMo
110 // 5) Wemo Insight July 31 experiment
111 // final String inputPcapFile = path + "/2018-07/wemoinsight/wemoinsight.wlan1.local.pcap";
112 // final String outputPcapFile = path + "/2018-07/wemoinsight/wemoinsight-processed.pcap";
113 // final String triggerTimesFile = path + "/2018-07/wemoinsight/wemo-insight-july-31-2018.timestamps";
114 // final String deviceIp = "192.168.1.135";
116 // 6) TP-Link Bulb August 1 experiment
117 // final String inputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb.wlan1.local.pcap";
118 // final String outputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb-processed.pcap";
119 // final String triggerTimesFile = path + "/2018-08/tplink-bulb/tplink-bulb-aug-3-2018.timestamps";
120 // final String deviceIp = "192.168.1.246"; // .246 == phone; .140 == TP-Link bulb
122 // 7) Kwikset Doorlock August 6 experiment
123 // final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock.data.wlan1.pcap";
124 //// final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock.wlan1.local.pcap";
125 // final String outputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-processed.pcap";
126 //// final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-aug-6-2018.timestamps";
127 // final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-8hr-data-oct-11-2018.timestamps";
128 // final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
129 // TODO: EXPERIMENT - November 10, 2018
130 final String inputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/wlan1/kwikset-doorlock.wlan1.local.pcap";
131 final String outputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/wlan1/kwikset-doorlock-processed.pcap";
132 // final String inputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/eth1/kwikset-doorlock.eth1.local.pcap";
133 // final String outputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/eth1/kwikset-doorlock-processed.pcap";
134 final String triggerTimesFile = path + "/experimental_result/standalone/kwikset-doorlock/timestamps/kwikset-doorlock-nov-10-2018.timestamps";
135 // final String deviceIp = "192.168.1.183"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
136 final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
138 // September 12, 2018 - includes both wlan1 and eth1 interfaces
139 // final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3.wlan1.local.pcap";
140 // //final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3.eth1.local.pcap";
141 // final String outputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3-processed.pcap";
142 // final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-sept-12-2018.timestamps";
143 // final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
145 // 8) Hue Bulb August 7 experiment
146 // final String inputPcapFile = path + "/2018-08/hue-bulb/hue-bulb.wlan1.local.pcap";
147 // final String outputPcapFile = path + "/2018-08/hue-bulb/hue-bulb-processed.pcap";
148 // final String triggerTimesFile = path + "/2018-08/hue-bulb/hue-bulb-aug-7-2018.timestamps";
149 // final String deviceIp = "192.168.1.246";
150 // October 30 experiment
151 // final String inputPcapFile = path + "/2018-10/hue-bulb/hue-bulb.wlan1.local.pcap";
152 // final String outputPcapFile = path + "/2018-10/hue-bulb/hue-bulb-processed.pcap";
153 // final String triggerTimesFile = path + "/2018-10/hue-bulb/hue-bulb-oct-30-2018.timestamps";
154 // final String deviceIp = "192.168.1.246"; // .246 == phone; .100 == Hue hub
156 // 9) Lifx Bulb August 8 experiment
157 // final String inputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb.wlan1.local.pcap";
158 // final String outputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb-processed.pcap";
159 // final String triggerTimesFile = path + "/2018-08/lifx-bulb/lifx-bulb-aug-8-2018.timestamps";
160 // final String deviceIp = "192.168.1.246"; // .246 == phone; .231 == Lifx
162 // final String inputPcapFile = path + "/2018-10/lifx-bulb/lifx-bulb.wlan1.local.pcap";
163 // final String outputPcapFile = path + "/2018-10/lifx-bulb/lifx-bulb-processed.pcap";
164 // final String triggerTimesFile = path + "/2018-10/lifx-bulb/lifx-bulb-oct-18-2018.timestamps";
165 // final String deviceIp = "192.168.1.231"; // .246 == phone; .231 == Lifx
167 // final String inputPcapFile = path + "/2018-10/lifx-bulb/lifx-bulb.wlan1.local.pcap";
168 // final String outputPcapFile = path + "/2018-10/lifx-bulb/lifx-bulb-processed.pcap";
169 // final String triggerTimesFile = path + "/2018-10/lifx-bulb/lifx-bulb-nov-1-2018.timestamps";
170 // final String deviceIp = "192.168.1.231"; // .246 == phone; .231 == Lifx
172 // 10) Amcrest Camera August 9 experiment
173 // final String inputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera.wlan1.local.pcap";
174 // final String outputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera-processed.pcap";
175 // final String triggerTimesFile = path + "/2018-08/amcrest-camera/amcrest-camera-aug-9-2018.timestamps";
176 // final String deviceIp = "192.168.1.246"; // .246 == phone; .235 == camera
178 // 11) Arlo Camera August 10 experiment
179 // final String inputPcapFile = path + "/2018-08/arlo-camera/arlo-camera.wlan1.local.pcap";
180 // final String outputPcapFile = path + "/2018-08/arlo-camera/arlo-camera-processed.pcap";
181 // final String triggerTimesFile = path + "/2018-08/arlo-camera/arlo-camera-aug-10-2018.timestamps";
182 // final String deviceIp = "192.168.1.246"; // .246 == phone; .140 == camera
184 // 12) Blossom sprinkler August 13 experiment
185 // final String inputPcapFile = path + "/2018-08/blossom/blossom.wlan1.local.pcap";
186 // final String outputPcapFile = path + "/2018-08/blossom/blossom-processed.pcap";
187 // final String triggerTimesFile = path + "/2018-08/blossom/blossom-aug-13-2018.timestamps";
188 // final String deviceIp = "192.168.1.229"; // .246 == phone; .229 == sprinkler
190 // final String inputPcapFile = path + "/2018-10/blossom-sprinkler/blossom-sprinkler.wlan1.local.pcap";
191 // final String outputPcapFile = path + "/2018-10/blossom-sprinkler/blossom-sprinkler-processed.pcap";
192 // final String triggerTimesFile = path + "/2018-10/blossom-sprinkler/blossom-sprinkler-nov-2-2018.timestamps";
193 // final String deviceIp = "192.168.1.229"; // .246 == phone; .229 == sprinkler
195 // // 13) DLink siren August 14 experiment
196 // final String inputPcapFile = path + "/2018-08/dlink-siren/dlink-siren.wlan1.local.pcap";
197 // //final String inputPcapFile = path + "/evaluation/dlink-siren/dlink-siren.data.wlan1.pcap";
198 // final String outputPcapFile = path + "/2018-08/dlink-siren/dlink-siren-processed.pcap";
199 // final String triggerTimesFile = path + "/2018-08/dlink-siren/dlink-siren-oct-12-2018.timestamps";
200 // //final String triggerTimesFile = path + "/2018-08/dlink-siren/dlink-siren-aug-14-2018.timestamps";
201 // //final String triggerTimesFile = path + "/actual/timestamps/dlink-siren-8hr-data-oct-10-2018.timestamps";
202 // final String deviceIp = "192.168.1.246"; // .246 == phone; .183 == siren
203 // TODO: EXPERIMENT - November 9, 2018
204 // final String inputPcapFile = path + "/experimental_result/standalone/dlink-siren/wlan1/dlink-siren.wlan1.local.pcap";
205 // final String outputPcapFile = path + "/experimental_result/standalone/dlink-siren/wlan1/dlink-siren-processed.pcap";
206 // final String triggerTimesFile = path + "/experimental_result/standalone/dlink-siren/timestamps/dlink-siren-nov-9-2018.timestamps";
207 // final String deviceIp = "192.168.1.183"; // .246 == phone; .183 == siren
208 //// final String deviceIp = "192.168.1.246"; // .246 == phone; .183 == siren
210 // 14) Nest thermostat August 15 experiment
211 // final String inputPcapFile = path + "/2018-08/nest/nest.wlan1.local.pcap";
212 // final String outputPcapFile = path + "/2018-08/nest/nest-processed.pcap";
213 // final String triggerTimesFile = path + "/2018-08/nest/nest-aug-15-2018.timestamps";
214 // final String deviceIp = "192.168.1.246"; // .246 == phone; .127 == Nest thermostat
216 // 15) Alexa August 16 experiment
217 // final String inputPcapFile = path + "/2018-08/alexa/alexa.wlan1.local.pcap";
218 // final String outputPcapFile = path + "/2018-08/alexa/alexa-processed.pcap";
219 // final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-16-2018.timestamps";
220 // final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
222 // final String inputPcapFile = path + "/2018-08/alexa/alexa2.wlan1.local.pcap";
223 // final String outputPcapFile = path + "/2018-08/alexa/alexa2-processed.pcap";
224 // final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-17-2018.timestamps";
225 // final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
228 // final String inputPcapFile = path + "/2018-08/noise/noise.eth1.pcap";
229 // final String outputPcapFile = path + "/2018-08/noise/noise-processed.pcap";
230 // final String triggerTimesFile = path + "/2018-08/noise/noise-sept-17-2018.timestamps";
231 // final String deviceIp = "192.168.1.142"; // .142 == SmartThings Hub; .199 == dlink plug; .183 == siren
232 // September 26 - D-Link noise
233 // final String inputPcapFile = path + "/2018-08/noise/noise.dlink.wlan1.pcap";
234 // final String outputPcapFile = path + "/2018-08/noise/noise-processed.pcap";
235 // final String triggerTimesFile = path + "/2018-08/noise/dlink-noise-sept-26-2018.timestamps";
236 // final String deviceIp = "192.168.1.183"; // .199 == dlink plug; .183 == siren
237 // September 27 - Kwikset noise
238 // final String inputPcapFile = path + "/2018-08/noise/noise.kwikset.eth1.pcap";
239 // final String outputPcapFile = path + "/2018-08/noise/noise-processed.pcap";
240 // final String triggerTimesFile = path + "/2018-08/noise/kwikset-doorlock-noise-sept-27-2018.timestamps";
241 // final String deviceIp = "192.168.1.142"; // .142 == SmartThings Hub;
243 TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
244 List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
245 // Tag each trigger with "ON" or "OFF", assuming that the first trigger is an "ON" and that they alternate.
246 List<UserAction> userActions = new ArrayList<>();
247 for (int i = 0; i < triggerTimes.size(); i++) {
248 userActions.add(new UserAction(i % 2 == 0 ? Type.TOGGLE_ON : Type.TOGGLE_OFF, triggerTimes.get(i)));
250 TriggerTrafficExtractor tte = new TriggerTrafficExtractor(inputPcapFile, triggerTimes, deviceIp);
251 final PcapDumper outputter = Pcaps.openDead(DataLinkType.EN10MB, 65536).dumpOpen(outputPcapFile);
252 DnsMap dnsMap = new DnsMap();
253 TcpReassembler tcpReassembler = new TcpReassembler();
254 TrafficLabeler trafficLabeler = new TrafficLabeler(userActions);
255 tte.performExtraction(pkt -> {
258 } catch (NotOpenException e) {
261 }, dnsMap, tcpReassembler, trafficLabeler);
265 if (tte.getPacketsIncludedCount() != trafficLabeler.getTotalPacketCount()) {
266 // Sanity/debug check
267 throw new AssertionError(String.format("mismatch between packet count in %s and %s",
268 TriggerTrafficExtractor.class.getSimpleName(), TrafficLabeler.class.getSimpleName()));
271 // Extract all conversations present in the filtered trace.
272 List<Conversation> allConversations = tcpReassembler.getTcpConversations();
273 // Group conversations by hostname.
274 Map<String, List<Conversation>> convsByHostname = TcpConversationUtils.groupConversationsByHostname(allConversations, dnsMap);
275 System.out.println("Grouped conversations by hostname.");
276 // For each hostname, count the frequencies of packet lengths exchanged with that hostname.
277 final Map<String, Map<Integer, Integer>> pktLenFreqsByHostname = new HashMap<>();
278 convsByHostname.forEach((host, convs) -> pktLenFreqsByHostname.put(host, TcpConversationUtils.countPacketLengthFrequencies(convs)));
279 System.out.println("Counted frequencies of packet lengths exchanged with each hostname.");
280 // For each hostname, count the frequencies of packet sequences (i.e., count how many conversations exchange a
281 // sequence of packets of some specific lengths).
282 final Map<String, Map<String, Integer>> pktSeqFreqsByHostname = new HashMap<>();
283 convsByHostname.forEach((host, convs) -> pktSeqFreqsByHostname.put(host, TcpConversationUtils.countPacketSequenceFrequencies(convs)));
284 System.out.println("Counted frequencies of packet sequences exchanged with each hostname.");
285 // For each hostname, count frequencies of packet pairs exchanged with that hostname across all conversations
286 final Map<String, Map<String, Integer>> pktPairFreqsByHostname =
287 TcpConversationUtils.countPacketPairFrequenciesByHostname(allConversations, dnsMap);
288 System.out.println("Counted frequencies of packet pairs per hostname");
289 // For each user action, reassemble the set of TCP connections occurring shortly after
290 final Map<UserAction, List<Conversation>> userActionToConversations = trafficLabeler.getLabeledReassembledTcpTraffic();
291 final Map<UserAction, Map<String, List<Conversation>>> userActionsToConvsByHostname = trafficLabeler.getLabeledReassembledTcpTraffic(dnsMap);
292 System.out.println("Reassembled TCP conversations occurring shortly after each user event");
297 * NOTE: no need to generate these more complex on/off maps that also contain mappings from hostname and
298 * sequence identifiers as we do not care about hostnames and sequences during clustering.
299 * We can simply use the UserAction->List<Conversation> map to generate ON/OFF groupings of conversations.
302 // Contains all ON events: hostname -> sequence identifier -> list of conversations with that sequence
303 Map<String, Map<String, List<Conversation>>> ons = new HashMap<>();
304 // Contains all OFF events: hostname -> sequence identifier -> list of conversations with that sequence
305 Map<String, Map<String, List<Conversation>>> offs = new HashMap<>();
306 userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
307 Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
308 hostnameToConvs.forEach((host, convs) -> {
309 Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
310 groupConversationsByPacketSequence(convs, verbose);
311 outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
312 newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
322 // ================================================ CLUSTERING ================================================
323 // Note: no need to use the more convoluted on/off maps; can simply use the UserAction->List<Conversation> map
324 // when don't care about hostnames and sequences (see comment earlier).
325 List<Conversation> onConversations = userActionToConversations.entrySet().stream().
326 filter(e -> e.getKey().getType() == Type.TOGGLE_ON). // drop all OFF events from stream
327 map(e -> e.getValue()). // no longer interested in the UserActions
328 flatMap(List::stream). // flatten List<List<T>> to a List<T>
329 collect(Collectors.toList());
330 List<Conversation> offConversations = userActionToConversations.entrySet().stream().
331 filter(e -> e.getKey().getType() == Type.TOGGLE_OFF).
332 map(e -> e.getValue()).
333 flatMap(List::stream).
334 collect(Collectors.toList());
335 //Collections.sort(onConversations, (c1, c2) -> c1.getPackets().)
337 List<PcapPacketPair> onPairs = onConversations.stream().
338 map(c -> c.isTls() ? TcpConversationUtils.extractTlsAppDataPacketPairs(c) :
339 TcpConversationUtils.extractPacketPairs(c)).
340 flatMap(List::stream). // flatten List<List<>> to List<>
341 collect(Collectors.toList());
342 List<PcapPacketPair> offPairs = offConversations.stream().
343 map(c -> c.isTls() ? TcpConversationUtils.extractTlsAppDataPacketPairs(c) :
344 TcpConversationUtils.extractPacketPairs(c)).
345 flatMap(List::stream). // flatten List<List<>> to List<>
346 collect(Collectors.toList());
347 // Note: need to update the DnsMap of all PcapPacketPairs if we want to use the IP/hostname-sensitive distance.
348 Stream.concat(Stream.of(onPairs), Stream.of(offPairs)).flatMap(List::stream).forEach(p -> p.setDnsMap(dnsMap));
349 // Perform clustering on conversation logged as part of all ON events.
350 DBSCANClusterer<PcapPacketPair> onClusterer = new DBSCANClusterer<>(10.0, 45);
351 List<Cluster<PcapPacketPair>> onClusters = onClusterer.cluster(onPairs);
352 // Perform clustering on conversation logged as part of all OFF events.
353 DBSCANClusterer<PcapPacketPair> offClusterer = new DBSCANClusterer<>(10.0, 45);
354 List<Cluster<PcapPacketPair>> offClusters = offClusterer.cluster(offPairs);
355 // Sort the conversations as reference
356 List<Conversation> sortedAllConversation = TcpConversationUtils.sortConversationList(allConversations);
358 System.out.println("========================================");
359 System.out.println(" Clustering results for ON ");
360 System.out.println(" Number of clusters: " + onClusters.size());
362 List<List<List<PcapPacket>>> ppListOfListReadOn = new ArrayList<>();
363 List<List<List<PcapPacket>>> ppListOfListListOn = new ArrayList<>();
364 for (Cluster<PcapPacketPair> c : onClusters) {
365 System.out.println(String.format("<<< Cluster #%02d (%03d points) >>>", ++count, c.getPoints().size()));
366 System.out.print(PrintUtils.toSummaryString(c));
367 if(c.getPoints().size() > 45 && c.getPoints().size() < 55) {
369 List<List<PcapPacket>> ppListOfList = PcapPacketUtils.clusterToListOfPcapPackets(c);
370 ppListOfListListOn.add(ppListOfList);
373 // TODO: Merging test
374 ppListOfListListOn = PcapPacketUtils.mergeSignatures(ppListOfListListOn, sortedAllConversation);
375 ppListOfListListOn = PcapPacketUtils.sortSignatures(ppListOfListListOn);
376 // TODO: Need to remove sequence number 2 for ST plug since it is not a good signature!
377 //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOn, 2);
378 // TODO: Need to remove sequence number 0 for TP-Link plug since it is not a good signature!
379 // TODO: This sequence actually belongs to the local communication between the plug and the phone
380 //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOn, 0);
381 PcapPacketUtils.printSignatures(ppListOfListListOn);
383 /*for (List<List<PcapPacket>> ll : ppListOfListListOn) {
384 PrintUtils.serializeClustersIntoFile("./onSignature" + ++count + ".sig", ll);
385 ppListOfListReadOn.add(PrintUtils.deserializeClustersFromFile("./onSignature" + count + ".sig"));
387 PrintUtils.serializeSignatureIntoFile("./onSignature.sig", ppListOfListListOn);
388 ppListOfListReadOn = PrintUtils.deserializeSignatureFromFile("./onSignature.sig");
390 System.out.println("========================================");
391 System.out.println(" Clustering results for OFF ");
392 System.out.println(" Number of clusters: " + offClusters.size());
394 List<List<List<PcapPacket>>> ppListOfListReadOff = new ArrayList<>();
395 List<List<List<PcapPacket>>> ppListOfListListOff = new ArrayList<>();
396 for (Cluster<PcapPacketPair> c : offClusters) {
397 System.out.println(String.format("<<< Cluster #%03d (%06d points) >>>", ++count, c.getPoints().size()));
398 System.out.print(PrintUtils.toSummaryString(c));
399 if(c.getPoints().size() > 45 && c.getPoints().size() < 55) {
401 List<List<PcapPacket>> ppListOfList = PcapPacketUtils.clusterToListOfPcapPackets(c);
402 ppListOfListListOff.add(ppListOfList);
405 // TODO: Merging test
406 ppListOfListListOff = PcapPacketUtils.mergeSignatures(ppListOfListListOff, sortedAllConversation);
407 ppListOfListListOff = PcapPacketUtils.sortSignatures(ppListOfListListOff);
408 // TODO: Need to remove sequence number 1 for Nest Thermostat since it is not a good signature!
409 //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 1);
410 // TODO: Need to remove sequence number 0 for Arlo Camera since it is not a good signature!
411 //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 0);
412 // TODO: Need to remove sequence number 2 for ST plug since it is not a good signature!
413 //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 2);
414 // TODO: Need to remove sequence number 0 for TP-Link plug since it is not a good signature!
415 // TODO: This sequence actually belongs to the local communication between the plug and the phone
416 //PcapPacketUtils.removeSequenceFromSignature(ppListOfListListOff, 0);
417 PcapPacketUtils.printSignatures(ppListOfListListOff);
419 /*for (List<List<PcapPacket>> ll : ppListOfListListOff) {
420 PrintUtils.serializeClustersIntoFile("./offSignature" + ++count + ".sig", ll);
421 ppListOfListReadOff.add(PrintUtils.deserializeClustersFromFile("./offSignature" + count + ".sig"));
423 PrintUtils.serializeSignatureIntoFile("./offSignature.sig", ppListOfListListOff);
424 ppListOfListReadOff = PrintUtils.deserializeSignatureFromFile("./offSignature.sig");
425 System.out.println("========================================");
426 // ============================================================================================================
429 System.out.println("==== ON ====");
430 // Print out all the pairs into a file for ON events
431 File fileOnEvents = new File(onPairsPath);
432 PrintWriter pwOn = null;
434 pwOn = new PrintWriter(fileOnEvents);
435 } catch(Exception ex) {
436 ex.printStackTrace();
438 for(Map.Entry<String, Map<String, List<Conversation>>> entry : ons.entrySet()) {
439 Map<String, List<Conversation>> seqsToConvs = entry.getValue();
440 for(Map.Entry<String, List<Conversation>> entryConv : seqsToConvs.entrySet()) {
441 List<Conversation> listConv = entryConv.getValue();
442 // Just get the first Conversation because all Conversations in this group
443 // should have the same pairs of Application Data.
444 for(Conversation conv : listConv) {
445 // Process only if it is a TLS packet
447 List<PcapPacketPair> tlsAppDataList = TcpConversationUtils.extractTlsAppDataPacketPairs(conv);
448 for(PcapPacketPair pair: tlsAppDataList) {
449 System.out.println(PrintUtils.toCsv(pair, dnsMap));
450 pwOn.println(PrintUtils.toCsv(pair, dnsMap));
452 } else { // Non-TLS conversations
453 List<PcapPacketPair> packetList = TcpConversationUtils.extractPacketPairs(conv);
454 for(PcapPacketPair pair: packetList) {
455 System.out.println(PrintUtils.toCsv(pair, dnsMap));
456 pwOn.println(PrintUtils.toCsv(pair, dnsMap));
464 System.out.println("==== OFF ====");
465 // Print out all the pairs into a file for ON events
466 File fileOffEvents = new File(offPairsPath);
467 PrintWriter pwOff = null;
469 pwOff = new PrintWriter(fileOffEvents);
470 } catch(Exception ex) {
471 ex.printStackTrace();
473 for(Map.Entry<String, Map<String, List<Conversation>>> entry : offs.entrySet()) {
474 Map<String, List<Conversation>> seqsToConvs = entry.getValue();
475 for(Map.Entry<String, List<Conversation>> entryConv : seqsToConvs.entrySet()) {
476 List<Conversation> listConv = entryConv.getValue();
477 // Just get the first Conversation because all Conversations in this group
478 // should have the same pairs of Application Data.
479 for(Conversation conv : listConv) {
480 // Process only if it is a TLS packet
482 List<PcapPacketPair> tlsAppDataList = TcpConversationUtils.extractTlsAppDataPacketPairs(conv);
483 for(PcapPacketPair pair: tlsAppDataList) {
484 System.out.println(PrintUtils.toCsv(pair, dnsMap));
485 pwOff.println(PrintUtils.toCsv(pair, dnsMap));
487 } else { // Non-TLS conversations
488 List<PcapPacketPair> packetList = TcpConversationUtils.extractPacketPairs(conv);
489 for (PcapPacketPair pair : packetList) {
490 System.out.println(PrintUtils.toCsv(pair, dnsMap));
491 pwOff.println(PrintUtils.toCsv(pair, dnsMap));
500 // // ================================================================================================
501 // // <<< Some work-in-progress/explorative code that extracts a "representative" sequence >>>
503 // // Currently need to know relevant hostname in advance :(
504 // String hostname = "events.tplinkra.com";
505 //// String hostname = "rfe-us-west-1.dch.dlink.com";
506 // // Conversations with 'hostname' for ON events.
507 // List<Conversation> onsForHostname = new ArrayList<>();
508 // // Conversations with 'hostname' for OFF events.
509 // List<Conversation> offsForHostname = new ArrayList<>();
510 // // "Unwrap" sequence groupings in ons/offs maps.
511 // ons.get(hostname).forEach((k,v) -> onsForHostname.addAll(v));
512 // offs.get(hostname).forEach((k,v) -> offsForHostname.addAll(v));
515 // Map<String, List<Conversation>> onsForHostnameGroupedByTlsAppDataSequence = TcpConversationUtils.groupConversationsByTlsApplicationDataPacketSequence(onsForHostname);
518 // // Extract representative sequence for ON and OFF by providing the list of conversations with
519 // // 'hostname' observed for each event type (the training data).
520 // SequenceExtraction seqExtraction = new SequenceExtraction();
521 //// ExtractedSequence extractedSequenceForOn = seqExtraction.extract(onsForHostname);
522 //// ExtractedSequence extractedSequenceForOff = seqExtraction.extract(offsForHostname);
524 // ExtractedSequence extractedSequenceForOn = seqExtraction.extractByTlsAppData(onsForHostname);
525 // ExtractedSequence extractedSequenceForOff = seqExtraction.extractByTlsAppData(offsForHostname);
527 // // Let's check how many ONs align with OFFs and vice versa (that is, how many times an event is incorrectly
529 // int onsLabeledAsOff = 0;
530 // Integer[] representativeOnSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOn.getRepresentativeSequence());
531 // Integer[] representativeOffSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOff.getRepresentativeSequence());
532 // SequenceAlignment<Integer> seqAlg = seqExtraction.getAlignmentAlgorithm();
533 // for (Conversation c : onsForHostname) {
534 // Integer[] onSeq = TcpConversationUtils.getPacketLengthSequence(c);
535 // if (seqAlg.calculateAlignment(representativeOffSeq, onSeq) <= extractedSequenceForOff.getMaxAlignmentCost()) {
536 // onsLabeledAsOff++;
539 // int offsLabeledAsOn = 0;
540 // for (Conversation c : offsForHostname) {
541 // Integer[] offSeq = TcpConversationUtils.getPacketLengthSequence(c);
542 // if (seqAlg.calculateAlignment(representativeOnSeq, offSeq) <= extractedSequenceForOn.getMaxAlignmentCost()) {
543 // offsLabeledAsOn++;
546 // System.out.println("");
547 // // ================================================================================================
550 // // -------------------------------------------------------------------------------------------------------------
551 // // -------------------------------------------------------------------------------------------------------------
557 // TP-Link MAC 50:c7:bf:33:1f:09 and usually IP 192.168.1.159 (remember to verify per file)
558 // frame.len >= 556 && frame.len <= 558 && ip.addr == 192.168.1.159