1 package edu.uci.iotproject.detection.layer3;
3 import edu.uci.iotproject.analysis.TriggerTrafficExtractor;
4 import edu.uci.iotproject.analysis.UserAction;
5 import edu.uci.iotproject.detection.AbstractClusterMatcher;
6 import edu.uci.iotproject.detection.ClusterMatcherObserver;
7 import edu.uci.iotproject.io.PcapHandleReader;
8 import edu.uci.iotproject.util.PrintUtils;
9 import org.apache.commons.math3.distribution.AbstractRealDistribution;
10 import org.apache.commons.math3.distribution.NormalDistribution;
11 import org.jgrapht.GraphPath;
12 import org.jgrapht.alg.shortestpath.DijkstraShortestPath;
13 import org.jgrapht.graph.DefaultWeightedEdge;
14 import org.jgrapht.graph.SimpleDirectedWeightedGraph;
15 import org.pcap4j.core.*;
17 import java.time.Duration;
18 import java.time.ZoneId;
19 import java.time.format.DateTimeFormatter;
20 import java.time.format.FormatStyle;
22 import java.util.function.Consumer;
25 * Detects an event signature that spans one or multiple TCP connections.
27 * @author Janus Varmarken {@literal <jvarmark@uci.edu>}
28 * @author Rahmadi Trimananda {@literal <rtrimana@uci.edu>}
30 public class SignatureDetector implements PacketListener, ClusterMatcherObserver {
33 public static void main(String[] args) throws PcapNativeException, NotOpenException {
34 // if (args.length < 3) {
35 // String errMsg = String.format("Usage: %s inputPcapFile onSignatureFile offSignatureFile",
36 // SignatureDetector.class.getSimpleName());
37 // System.out.println(errMsg);
40 // final String inputPcapFile = args[0];
41 // final String onSignatureFile = args[1];
42 // final String offSignatureFile = args[2];
44 String path = "/scratch/July-2018"; // Rahmadi
45 // String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
46 // String path = "/home/jvarmark/iot_project/datasets"; // Hera (server)
47 // String path = "/raid/varmarken/iot_project/datasets"; // Zeus (server)
50 //final String inputPcapFile = path + "/evaluation/no-activity/no-activity.wlan1.pcap";
52 // D-Link Siren experiment
53 // final String inputPcapFile = path + "/evaluation/dlink-siren/dlink-siren.data.wlan1.pcap";
54 // final String inputPcapFile = path + "/evaluation/dlink-siren/dlink-siren.eth0.local.pcap";
55 // D-Link Siren DEVICE signatures
56 // final String onSignatureFile = path + "/2018-08/dlink-siren/onSignature-DLink-Siren-device.sig";
57 // final String offSignatureFile = path + "/2018-08/dlink-siren/offSignature-DLink-Siren-device.sig";
58 // D-Link Siren PHONE signatures
59 // final String onSignatureFile = path + "/2018-08/dlink-siren/onSignature-DLink-Siren-phone.sig";
60 // final String offSignatureFile = path + "/2018-08/dlink-siren/offSignature-DLink-Siren-phone.sig";
61 // TODO: EXPERIMENT - November 19, 2018
62 // Hue Bulb experiment
63 // final String inputPcapFile = path + "/2018-08/hue-bulb/hue-bulb.wlan1.local.pcap";
64 // Hue Bulb PHONE signatures
65 // final String onSignatureFile = path + "/experimental_result/standalone/hue-bulb/signatures/hue-bulb-onSignature-phone-side.sig";
66 // final String offSignatureFile = path + "/experimental_result/standalone/hue-bulb/signatures/hue-bulb-offSignature-phone-side.sig";
69 // Kwikset Doorlock Sep 12 experiment
70 // final String inputPcapFile = path + "/evaluation/kwikset-doorlock/kwikset-doorlock.data.wlan1.pcap";
71 final String inputPcapFile = path + "/evaluation/kwikset-doorlock/kwikset-doorlock.data.eth0.pcap";
72 // // Kwikset Doorlock PHONE signatures
73 final String onSignatureFile = path + "/2018-08/kwikset-doorlock/onSignature-Kwikset-Doorlock-phone-new.sig";
74 final String offSignatureFile = path + "/2018-08/kwikset-doorlock/offSignature-Kwikset-Doorlock-phone-new.sig";
77 // D-Link Plug experiment
78 //final String inputPcapFile = path + "/evaluation/dlink/dlink-plug.data.wlan1.pcap";
79 // final String inputPcapFile = path + "/evaluation/dlink/dlink-plug.data.eth0.pcap";
81 // D-Link Plug DEVICE signatures
82 // final String onSignatureFile = path + "/2018-07/dlink/onSignature-DLink-Plug-device.sig";
83 // final String offSignatureFile = path + "/2018-07/dlink/offSignature-DLink-Plug-device.sig";
84 // D-Link Plug PHONE signatures
85 // final String onSignatureFile = path + "/2018-07/dlink/onSignature-DLink-Plug-phone.sig";
86 // final String offSignatureFile = path + "/2018-07/dlink/offSignature-DLink-Plug-phone.sig";
88 // TODO: The following are negative tests against the PCAP file from UNSW
89 // final String inputPcapFile = path + "/UNSW/16-10-04.pcap"; // TODO: Seems to be broken! Zero-payload!
90 // final String inputPcapFile = path + "/UNSW/16-10-12.pcap";
92 // final String inputPcapFile = path + "/UNSW/16-09-28.pcap"; // TODO: Seems to be broken! Zero-payload!
93 // final String inputPcapFile = path + "/UNSW/16-10-02.pcap"; // TODO: Seems to be broken!
94 // final String inputPcapFile = path + "/UNSW/16-10-03.pcap"; // TODO: Seems to be broken!
95 // final String inputPcapFile = path + "/UNSW/16-10-04-a.pcap"; // TODO: Seems to be broken! Zero-payload!
96 // final String inputPcapFile = path + "/UNSW/16-10-04-b.pcap"; // TODO: Seems to be broken! Zero-payload!
97 // final String inputPcapFile = path + "/UNSW/16-10-07.pcap"; // TODO: Seems to be broken!
98 // final String inputPcapFile = path + "/UNSW/16-10-08.pcap"; // TODO: Seems to be broken!
99 // final String inputPcapFile = path + "/UNSW/16-10-09.pcap"; // TODO: Seems to be broken!
100 // final String inputPcapFile = path + "/UNSW/16-10-10.pcap"; // TODO: Seems to be broken!
101 // final String inputPcapFile = path + "/UNSW/16-10-11.pcap"; // TODO: Seems to be broken!
102 // TODO: The following one is very long!!! - Split into smaller files!
103 // final String inputPcapFile = path + "/UNSW/16-10-12-a.pcap";
104 // final String inputPcapFile = path + "/UNSW/16-10-12-b.pcap";
105 // final String inputPcapFile = path + "/UNSW/16-10-12-c.pcap";
106 // final String inputPcapFile = path + "/UNSW/16-10-12-d.pcap";
108 // final String inputPcapFile = path + "/UNSW/16-09-23.pcap";
109 // final String inputPcapFile = path + "/UNSW/16-09-24.pcap";
110 // final String inputPcapFile = path + "/UNSW/16-09-25.pcap";
111 // final String inputPcapFile = path + "/UNSW/16-09-26.pcap";
112 // final String inputPcapFile = path + "/UNSW/16-09-27.pcap";
113 // final String inputPcapFile = path + "/UNSW/16-09-29.pcap";
114 // final String inputPcapFile = path + "/UNSW/16-10-01.pcap";
115 // final String inputPcapFile = path + "/UNSW/16-10-06.pcap";
116 // Negative test: dataset from UNB
117 // final String inputPcapFile = path + "/evaluation/negative-datasets/UNB/Monday-WorkingHours_one-local-endpoint-001.pcap";
119 // TODO: The following are tests for signatures against training data
121 // D-Link Plug experiment
122 // final String inputPcapFile = path + "/training/dlink-plug/wlan1/dlink-plug.wlan1.local.pcap";
123 // D-Link Plug DEVICE signatures
124 // final String onSignatureFile = path + "/training/dlink-plug/signatures/dlink-plug-onSignature-device-side.sig";
125 // final String offSignatureFile = path + "/training/dlink-plug/signatures/dlink-plug-offSignature-device-side.sig";
126 // D-Link Plug PHONE signatures
127 // final String onSignatureFile = path + "/training/dlink-plug/signatures/dlink-plug-onSignature-phone-side.sig";
128 // final String offSignatureFile = path + "/training/dlink-plug/signatures/dlink-plug-offSignature-phone-side.sig";
130 // TODO: EXPERIMENT - November 7, 2018
131 // D-Link Plug experiment
132 // //final String inputPcapFile = path + "/experimental_result/standalone/dlink-plug/wlan1/dlink-plug.wlan1.local.pcap";
133 // final String inputPcapFile = path + "/experimental_result/smarthome/dlink-plug/wlan1/dlink-plug.wlan1.detection.pcap";
134 // //final String inputPcapFile = path + "/experimental_result/smarthome/dlink-plug/eth0/dlink-plug.eth0.detection.pcap";
135 // // D-Link Plug DEVICE signatures
136 // final String onSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-onSignature-device-side.sig";
137 // final String offSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-offSignature-device-side.sig";
138 // D-Link Plug PHONE signatures
139 // final String onSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-onSignature-phone-side.sig";
140 // final String offSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-offSignature-phone-side.sig";
142 // TODO: EXPERIMENT - November 9, 2018
143 // D-Link Siren experiment
144 //final String inputPcapFile = path + "/experimental_result/standalone/dlink-siren/wlan1/dlink-siren.wlan1.local.pcap";
145 //final String inputPcapFile = path + "/experimental_result/smarthome/dlink-siren/wlan1/dlink-siren.wlan1.detection.pcap";
146 // final String inputPcapFile = path + "/experimental_result/smarthome/dlink-siren/eth0/dlink-siren.eth0.detection.pcap";
147 // // D-Link Siren DEVICE signatures
148 // // TODO: The device signature does not have pairs---only one packet which is 216, so we don't consider this as a signature
149 // final String onSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-onSignature-device-side.sig";
150 // final String offSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-offSignature-device-side.sig";
151 // D-Link Siren PHONE signatures
152 // final String onSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-onSignature-phone-side.sig";
153 // final String offSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-offSignature-phone-side.sig";
154 // final String onSignatureFile = path + "/training/signatures/dlink-siren/dlink-siren-onSignature-phone-side.sig";
155 // final String offSignatureFile = path + "/training/signatures/dlink-siren/dlink-siren-offSignature-phone-side.sig";
157 // TP-Link Plug experiment
158 //// final String inputPcapFile = path + "/training/tplink-plug/wlan1/tplink-plug.wlan1.local.pcap";
159 //// final String inputPcapFile = path + "/experimental_result/wifi-Sniffer/tests2/airtool_2019-01-04_11.08.45.AM.pcap";
160 // final String inputPcapFile = path + "/experimental_result/wifi-Sniffer/tests2/command-frames-only.pcap";
161 // // TP-Link Plug DEVICE signatures
162 // final String onSignatureFile = path + "/training/tplink-plug/signatures/tplink-plug-onSignature-device-side.sig";
163 // final String offSignatureFile = path + "/training/tplink-plug/signatures/tplink-plug-offSignature-device-side.sig";
164 // TODO: EXPERIMENT - November 8, 2018
165 // TP-Link Plug experiment
166 // final String inputPcapFile = path + "/experimental_result/standalone/tplink-plug/wlan1/tplink-plug.wlan1.local.pcap";
167 //// final String inputPcapFile = path + "/experimental_result/standalone/tplink-plug/eth0/tplink-plug.eth0.local.pcap";
168 //// final String inputPcapFile = path + "/experimental_result/smarthome/tplink-plug/wlan1/tplink-plug.wlan1.detection.pcap";
169 // //final String inputPcapFile = path + "/experimental_result/smarthome/tplink-plug/eth0/tplink-plug.eth0.detection.pcap";
170 // // TP-Link Plug DEVICE signatures
171 //// final String onSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-onSignature-device-side.sig";
172 //// final String offSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-offSignature-device-side.sig";
173 // final String onSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-onSignature-device-side-outbound.sig";
174 // final String offSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-offSignature-device-side-outbound.sig";
175 // TP-Link Plug PHONE signatures
176 // final String onSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-onSignature-phone-side.sig";
177 // final String offSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-offSignature-phone-side.sig";
179 // Arlo camera experiment
180 // final String inputPcapFile = path + "/training/arlo-camera/wlan1/arlo-camera.wlan1.local.pcap";
181 //// // TP-Link Plug DEVICE signatures
182 // final String onSignatureFile = path + "/training/arlo-camera/signatures/arlo-camera-onSignature-phone-side.sig";
183 // final String offSignatureFile = path + "/training/arlo-camera/signatures/arlo-camera-offSignature-phone-side.sig";
184 // TODO: EXPERIMENT - November 13, 2018
185 // Arlo Camera experiment
186 // final String inputPcapFile = path + "/experimental_result/standalone/arlo-camera/wlan1/arlo-camera.wlan1.local.pcap";
187 // final String inputPcapFile = path + "/experimental_result/standalone/arlo-camera/eth0/arlo-camera.eth0.local.pcap";
188 // final String inputPcapFile = path + "/experimental_result/smarthome/arlo-camera/wlan1/arlo-camera.wlan1.detection.pcap";
189 //// final String inputPcapFile = path + "/experimental_result/smarthome/arlo-camera/eth0/arlo-camera.eth0.detection.pcap";
190 //// final String inputPcapFile = path + "/training/arlo-camera/eth0/arlo-camera.eth0.local.pcap";
191 // // Arlo Camera PHONE signatures
192 //// final String onSignatureFile = path + "/experimental_result/standalone/arlo-camera/signatures/arlo-camera-onSignature-phone-side.sig";
193 //// final String offSignatureFile = path + "/experimental_result/standalone/arlo-camera/signatures/arlo-camera-offSignature-phone-side.sig";
194 // final String onSignatureFile = path + "/experimental_result/standalone/arlo-camera/signatures/arlo-camera-onSignature-phone-side.sig.complete";
195 // final String offSignatureFile = path + "/experimental_result/standalone/arlo-camera/signatures/arlo-camera-offSignature-phone-side.sig.complete";
197 // Amazon Alexa experiment
198 // final String inputPcapFile = path + "/training/amazon-alexa/wlan1/alexa2.wlan1.local.pcap";
199 // // TP-Link Plug DEVICE signatures
200 // final String onSignatureFile = path + "/training/amazon-alexa/signatures/amazon-alexa-onSignature-device-side.sig";
201 // final String offSignatureFile = path + "/training/amazon-alexa/signatures/amazon-alexa-offSignature-device-side.sig";
203 // SmartThings Plug experiment
204 // final String inputPcapFile = path + "/training/st-plug/wlan1/st-plug.wlan1.local.pcap";
205 // // SmartThings Plug DEVICE signatures
206 // //final String onSignatureFile = path + "/training/st-plug/signatures/st-plug-onSignature-device-side.sig";
207 // //final String offSignatureFile = path + "/training/st-plug/signatures/st-plug-offSignature-device-side.sig";
208 // // SmartThings Plug PHONE signatures
209 // final String onSignatureFile = path + "/training/st-plug/signatures/st-plug-onSignature-phone-side.sig";
210 // final String offSignatureFile = path + "/training/st-plug/signatures/st-plug-offSignature-phone-side.sig";
211 // TODO: EXPERIMENT - November 12, 2018
212 // SmartThings Plug experiment
213 // final String inputPcapFile = path + "/experimental_result/standalone/st-plug/wlan1/st-plug.wlan1.local.pcap";
214 // final String inputPcapFile = path + "/experimental_result/standalone/st-plug/eth0/st-plug.eth0.local.pcap";
215 // //final String inputPcapFile = path + "/experimental_result/smarthome/st-plug/wlan1/st-plug.wlan1.detection.pcap";
216 final String inputPcapFile = path + "/experimental_result/smarthome/st-plug/eth0/st-plug.eth0.detection.pcap";
217 // // SmartThings Plug PHONE signatures
218 final String onSignatureFile = path + "/experimental_result/standalone/st-plug/signatures/st-plug-onSignature-phone-side.sig";
219 final String offSignatureFile = path + "/experimental_result/standalone/st-plug/signatures/st-plug-offSignature-phone-side.sig";
220 // final String onSignatureFile = path + "/training/signatures/st-plug/st-plug-onSignature-phone-side.sig";
221 // final String offSignatureFile = path + "/training/signatures/st-plug/st-plug-offSignature-phone-side.sig";
223 // TODO: EXPERIMENT - January 9, 2018
224 // Blossom Sprinkler experiment
225 //// final String inputPcapFile = path + "/experimental_result/standalone/blossom-sprinkler/wlan1/blossom-sprinkler.wlan1.local.pcap";
226 // final String inputPcapFile = path + "/experimental_result/smarthome/blossom-sprinkler/eth0/blossom-sprinkler.eth0.detection.pcap";
227 //// final String inputPcapFile = path + "/experimental_result/smarthome/blossom-sprinkler/wlan1/blossom-sprinkler.wlan1.detection.pcap";
228 // // Blossom Sprinkler DEVICE signatures
229 // final String onSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-device-side.sig";
230 // final String offSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-device-side.sig";
231 // // Blossom Sprinkler PHONE signatures
232 //// final String onSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-phone-side.sig";
233 //// final String offSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-phone-side.sig";
235 // LiFX Bulb experiment
236 // final String inputPcapFile = path + "/training/lifx-bulb/wlan1/lifx-bulb.wlan1.local.pcap";
237 // // LiFX Bulb DEVICE signatures
238 // final String onSignatureFile = path + "/training/lifx-bulb/signatures/lifx-bulb-onSignature-device-side.sig";
239 // final String offSignatureFile = path + "/training/lifx-bulb/signatures/lifx-bulb-offSignature-device-side.sig";
240 // LiFX Bulb PHONE signatures
241 // final String onSignatureFile = path + "/training/lifx-bulb/signatures/lifx-bulb-onSignature-phone-side.sig";
242 // final String offSignatureFile = path + "/training/lifx-bulb/signatures/lifx-bulb-offSignature-phone-side.sig";
244 // Blossom Sprinkler experiment
245 // //final String inputPcapFile = path + "/training/blossom-sprinkler/wlan1/blossom-sprinkler.wlan1.local.pcap";
246 // final String inputPcapFile = path + "/2018-08/blossom/blossom.wlan1.local.pcap";
247 // //final String inputPcapFile = path + "/training/blossom-sprinkler/eth0/blossom-sprinkler.eth0.local.pcap";
248 // // Blossom Sprinkler DEVICE signatures
249 // final String onSignatureFile = path + "/training/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-device-side.sig";
250 // final String offSignatureFile = path + "/training/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-device-side.sig";
252 // Nest Thermostat experiment
253 // final String inputPcapFile = path + "/training/nest-thermostat/wlan1/nest-thermostat.wlan1.local.pcap";
254 // // Nest Thermostat DEVICE signatures
255 //// final String onSignatureFile = path + "/training/nest-thermostat/signatures/nest-thermostat-onSignature-device-side.sig";
256 //// final String offSignatureFile = path + "/training/nest-thermostat/signatures/nest-thermostat-offSignature-device-side.sig";
257 // // Nest Thermostat PHONE signatures
258 // final String onSignatureFile = path + "/training/nest-thermostat/signatures/nest-thermostat-onSignature-phone-side.sig";
259 // final String offSignatureFile = path + "/training/nest-thermostat/signatures/nest-thermostat-offSignature-phone-side.sig";
260 // // TODO: EXPERIMENT - November 15, 2018
261 // Nest Thermostat experiment
262 // final String inputPcapFile = path + "/experimental_result/standalone/nest-thermostat/wlan1/nest-thermostat.wlan1.local.pcap";
263 //// final String inputPcapFile = path + "/experimental_result/standalone/nest-thermostat/eth0/nest-thermostat.eth0.local.pcap";
264 //// final String inputPcapFile = path + "/experimental_result/smarthome/nest-thermostat/wlan1/nest-thermostat.wlan1.detection.pcap";
265 //// final String inputPcapFile = path + "/experimental_result/smarthome/nest-thermostat/eth0/nest-thermostat.eth0.detection.pcap";
266 //// // Nest Thermostat PHONE signatures
267 // final String onSignatureFile = path + "/experimental_result/standalone/nest-thermostat/signatures/nest-thermostat-onSignature-phone-side.sig";
268 // final String offSignatureFile = path + "/experimental_result/standalone/nest-thermostat/signatures/nest-thermostat-offSignature-phone-side.sig";
271 // Hue Bulb experiment
272 final String inputPcapFile = path + "/training/hue-bulb/wlan1/hue-bulb.wlan1.local.pcap";
273 // Hue Bulb PHONE signatures
274 final String onSignatureFile = path + "/training/hue-bulb/signatures/hue-bulb-onSignature-phone-side.sig";
275 final String offSignatureFile = path + "/training/hue-bulb/signatures/hue-bulb-offSignature-phone-side.sig";
280 // TP-Link Bulb experiment
281 // final String inputPcapFile = path + "/training/tplink-bulb/wlan1/tplink-bulb.wlan1.local.pcap";
282 // // TP-Link Bulb PHONE signatures
283 // final String onSignatureFile = path + "/training/tplink-bulb/signatures/tplink-bulb-onSignature-phone-side.sig";
284 // final String offSignatureFile = path + "/training/tplink-bulb/signatures/tplink-bulb-offSignature-phone-side.sig";
285 // TODO: EXPERIMENT - November 16, 2018
286 // TP-Link Bulb experiment
287 // final String inputPcapFile = path + "/experimental_result/standalone/tplink-bulb/wlan1/tplink-bulb.wlan1.local.pcap";
288 // final String inputPcapFile = path + "/experimental_result/standalone/tplink-bulb/eth0/tplink-bulb.eth0.local.pcap";
289 // final String inputPcapFile = path + "/experimental_result/smarthome/tplink-bulb/wlan1/tplink-bulb.wlan1.detection.pcap";
290 //// final String inputPcapFile = path + "/experimental_result/smarthome/tplink-bulb/eth0/tplink-bulb.eth0.detection.pcap";
291 // // TP-Link Bulb PHONE signatures
292 // final String onSignatureFile = path + "/experimental_result/standalone/tplink-bulb/signatures/tplink-bulb-onSignature-phone-side.sig";
293 // final String offSignatureFile = path + "/experimental_result/standalone/tplink-bulb/signatures/tplink-bulb-offSignature-phone-side.sig";
296 // WeMo Plug experiment
297 final String inputPcapFile = path + "/training/wemo-plug/wlan1/wemo-plug.wlan1.local.pcap";
298 // WeMo Plug PHONE signatures
299 final String onSignatureFile = path + "/training/wemo-plug/signatures/wemo-plug-onSignature-device-side.sig";
300 final String offSignatureFile = path + "/training/wemo-plug/signatures/wemo-plug-offSignature-device-side.sig";
302 // TODO: EXPERIMENT - November 20, 2018
303 // WeMo Plug experiment
304 // final String inputPcapFile = path + "/experimental_result/standalone/wemo-plug/wlan1/wemo-plug.wlan1.local.pcap";
305 // final String inputPcapFile = path + "/experimental_result/standalone/wemo-plug/eth0/wemo-plug.eth0.local.pcap";
306 // TODO: WE HAVE 4 ADDITIONAL EVENTS (TRIGGERED MANUALLY), SO WE JUST IGNORE THEM BECAUSE THEY HAPPENED BEFORE
307 // TODO: THE ACTUAL TRIGGERS
308 // final String inputPcapFile = path + "/experimental_result/smarthome/wemo-plug/wlan1/wemo-plug.wlan1.detection.pcap";
309 //// final String inputPcapFile = path + "/experimental_result/smarthome/wemo-plug/eth0/wemo-plug.eth0.detection.pcap";
310 // // WeMo Plug PHONE signatures
311 // final String onSignatureFile = path + "/experimental_result/standalone/wemo-plug/signatures/wemo-plug-onSignature-phone-side.sig";
312 // final String offSignatureFile = path + "/experimental_result/standalone/wemo-plug/signatures/wemo-plug-offSignature-phone-side.sig";
315 // WeMo Insight Plug experiment
316 final String inputPcapFile = path + "/training/wemo-insight-plug/wlan1/wemo-insight-plug.wlan1.local.pcap";
317 // WeMo Insight Plug PHONE signatures
318 final String onSignatureFile = path + "/training/wemo-insight-plug/signatures/wemo-insight-plug-onSignature-device-side.sig";
319 final String offSignatureFile = path + "/training/wemo-insight-plug/signatures/wemo-insight-plug-offSignature-device-side.sig";
321 // TODO: EXPERIMENT - November 21, 2018
322 // WeMo Insight Plug experiment
323 // final String inputPcapFile = path + "/experimental_result/standalone/wemo-insight-plug/wlan1/wemo-insight-plug.wlan1.local.pcap";
324 // final String inputPcapFile = path + "/experimental_result/standalone/wemo-insight-plug/eth0/wemo-insight-plug.eth0.local.pcap";
325 // TODO: WE HAVE 1 ADDITIONAL EVENT (FROM WEMO PLUG)
326 // final String inputPcapFile = path + "/experimental_result/smarthome/wemo-insight-plug/wlan1/wemo-insight-plug.wlan1.detection.pcap";
327 // final String inputPcapFile = path + "/experimental_result/smarthome/wemo-insight-plug/eth0/wemo-insight-plug.eth0.detection.pcap";
328 // WeMo Insight Plug PHONE signatures
329 // final String onSignatureFile = path + "/experimental_result/standalone/wemo-insight-plug/signatures/wemo-insight-plug-onSignature-phone-side.sig";
330 // final String offSignatureFile = path + "/experimental_result/standalone/wemo-insight-plug/signatures/wemo-insight-plug-offSignature-phone-side.sig";
333 // Kwikset Doorlock Sep 12 experiment
334 // final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3.wlan1.local.pcap";
335 // // Kwikset Doorlock PHONE signatures
336 // final String onSignatureFile = path + "/2018-08/kwikset-doorlock/onSignature-Kwikset-Doorlock-phone.sig";
337 // final String offSignatureFile = path + "/2018-08/kwikset-doorlock/offSignature-Kwikset-Doorlock-phone.sig";
338 // TODO: EXPERIMENT - November 10, 2018
339 // Kwikset Door lock experiment
340 // final String inputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/wlan1/kwikset-doorlock.wlan1.local.pcap";
341 //final String inputPcapFile = path + "/experimental_result/smarthome/kwikset-doorlock/wlan1/kwikset-doorlock.wlan1.detection.pcap";
342 // final String inputPcapFile = path + "/experimental_result/smarthome/kwikset-doorlock/eth0/kwikset-doorlock.eth0.detection.pcap";
343 // // Kwikset Door lock PHONE signatures
344 // final String onSignatureFile = path + "/experimental_result/standalone/kwikset-doorlock/signatures/kwikset-doorlock-onSignature-phone-side.sig";
345 // final String offSignatureFile = path + "/experimental_result/standalone/kwikset-doorlock/signatures/kwikset-doorlock-offSignature-phone-side.sig";
346 //// final String onSignatureFile = path + "/training/signatures/kwikset-doorlock/kwikset-doorlock-onSignature-phone-side.sig";
347 //// final String offSignatureFile = path + "/training/signatures/kwikset-doorlock/kwikset-doorlock-offSignature-phone-side.sig";
351 // D-Link Siren experiment
352 // final String inputPcapFile = path + "/2018-08/dlink-siren/dlink-siren.wlan1.local.pcap";
353 // D-Link Siren DEVICE signatures
354 //final String onSignatureFile = path + "/2018-08/dlink-siren/onSignature-DLink-Siren-device.sig";
355 //final String offSignatureFile = path + "/2018-08/dlink-siren/offSignature-DLink-Siren-device.sig";
356 // D-Link Siren PHONE signatures
357 // final String onSignatureFile = path + "/2018-08/dlink-siren/onSignature-DLink-Siren-phone.sig";
358 // final String offSignatureFile = path + "/2018-08/dlink-siren/offSignature-DLink-Siren-phone.sig";
361 // Output file names used (to make it easy to catch if one forgets to change them)
362 System.out.println("ON signature file in use is " + onSignatureFile);
363 System.out.println("OFF signature file in use is " + offSignatureFile);
364 System.out.println("PCAP file that is the target of detection is " + inputPcapFile);
366 List<List<List<PcapPacket>>> onSignature = PrintUtils.deserializeSignatureFromFile(onSignatureFile);
367 List<List<List<PcapPacket>>> offSignature = PrintUtils.deserializeSignatureFromFile(offSignatureFile);
370 // SignatureDetector onDetector = new SignatureDetector(onSignature, null);
371 // SignatureDetector offDetector = new SignatureDetector(offSignature, null);
373 // TODO: We need the array that contains other signatures so that we can check for overlap and decide
374 // TODO: whether we use conservative or range-based matching
375 // Right now we have ON signature as other signature for OFF and OFF signature as other signature for ON
376 // In the future, we might have more other signatures
377 List<List<List<List<PcapPacket>>>> otherSignaturesOutsideOn = new ArrayList<>();
378 otherSignaturesOutsideOn.add(offSignature);
379 List<List<List<List<PcapPacket>>>> otherSignaturesOutsideOff = new ArrayList<>();
380 otherSignaturesOutsideOff.add(onSignature);
383 SignatureDetector onDetector = new SignatureDetector(onSignature, "128.195.205.105", 0,
384 otherSignaturesOutsideOn);
385 SignatureDetector offDetector = new SignatureDetector(offSignature, "128.195.205.105", 0,
386 otherSignaturesOutsideOff);
388 final DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM).
389 withLocale(Locale.US).withZone(ZoneId.of("America/Los_Angeles"));
391 // Outputs information about a detected event to std.out
392 final Consumer<UserAction> outputter = ua -> {
393 String eventDescription;
394 switch (ua.getType()) {
396 eventDescription = "ON";
399 eventDescription = "OFF";
402 throw new AssertionError("unhandled event type");
404 //String output = String.format("[ !!! %s SIGNATURE DETECTED at %s !!! ]",
405 // eventDescription, dateTimeFormatter.format(ua.getTimestamp()));
406 String output = String.format("%s",
407 dateTimeFormatter.format(ua.getTimestamp()));
408 System.out.println(output);
411 // Let's create observers that construct a UserAction representing the detected event.
412 final List<UserAction> detectedEvents = new ArrayList<>();
413 onDetector.addObserver((searched, match) -> {
414 PcapPacket firstPkt = match.get(0).get(0);
415 detectedEvents.add(new UserAction(UserAction.Type.TOGGLE_ON, firstPkt.getTimestamp()));
417 offDetector.addObserver((searched, match) -> {
418 PcapPacket firstPkt = match.get(0).get(0);
419 detectedEvents.add(new UserAction(UserAction.Type.TOGGLE_OFF, firstPkt.getTimestamp()));
424 handle = Pcaps.openOffline(inputPcapFile, PcapHandle.TimestampPrecision.NANO);
425 } catch (PcapNativeException pne) {
426 handle = Pcaps.openOffline(inputPcapFile);
428 PcapHandleReader reader = new PcapHandleReader(handle, p -> true, onDetector, offDetector);
429 reader.readFromHandle();
431 //if (onDetector.isConservativeChecking(offSignature)) {
432 // System.out.println("Do conservative checking!");
434 // TODO: WORK ON THIS RANGE-BASED CHECKING
435 // System.out.println("Do range-based checking!");
438 // TODO: need a better way of triggering detection than this...
439 onDetector.mClusterMatchers.forEach(cm -> cm.performDetection());
440 offDetector.mClusterMatchers.forEach(cm -> cm.performDetection());
442 // Sort the list of detected events by timestamp to make it easier to compare it line-by-line with the trigger
444 Collections.sort(detectedEvents, Comparator.comparing(UserAction::getTimestamp));
446 // Output the detected events
447 detectedEvents.forEach(outputter);
449 System.out.println("Number of detected events of type " + UserAction.Type.TOGGLE_ON + ": " +
450 detectedEvents.stream().filter(ua -> ua.getType() == UserAction.Type.TOGGLE_ON).count());
451 System.out.println("Number of detected events of type " + UserAction.Type.TOGGLE_OFF + ": " +
452 detectedEvents.stream().filter(ua -> ua.getType() == UserAction.Type.TOGGLE_OFF).count());
455 // TODO: Temporary clean up until we clean the pipeline
456 // List<UserAction> cleanedDetectedEvents = SignatureDetector.removeDuplicates(detectedEvents);
457 // cleanedDetectedEvents.forEach(outputter);
462 * The signature that this {@link SignatureDetector} is searching for.
464 private final List<List<List<PcapPacket>>> mSignature;
467 * The {@link Layer3ClusterMatcher}s in charge of detecting each individual sequence of packets that together make up the
470 private final List<Layer3ClusterMatcher> mClusterMatchers;
473 * For each {@code i} ({@code i >= 0 && i < pendingMatches.length}), {@code pendingMatches[i]} holds the matches
474 * found by the {@link Layer3ClusterMatcher} at {@code mClusterMatchers.get(i)} that have yet to be "consumed", i.e.,
475 * have yet to be included in a signature detected by this {@link SignatureDetector} (a signature can be encompassed
476 * of multiple packet sequences occurring shortly after one another on multiple connections).
478 private final List<List<PcapPacket>>[] pendingMatches;
481 * Maps a {@link Layer3ClusterMatcher} to its corresponding index in {@link #pendingMatches}.
483 private final Map<Layer3ClusterMatcher, Integer> mClusterMatcherIds;
485 private final List<SignatureDetectionObserver> mObservers = new ArrayList<>();
487 private int mInclusionTimeMillis;
490 * Remove duplicates in {@code List} of {@code UserAction} objects. We need to clean this up for user actions
491 * that appear multiple times.
492 * TODO: This static method is probably just for temporary and we could get rid of this after we clean up
495 * @param listUserAction A {@link List} of {@code UserAction}.
498 public static List<UserAction> removeDuplicates(List<UserAction> listUserAction) {
500 // Iterate and check for duplicates (check timestamps)
501 Set<Long> epochSecondSet = new HashSet<>();
502 // Create a target list for cleaned up list
503 List<UserAction> listUserActionClean = new ArrayList<>();
504 for(UserAction userAction : listUserAction) {
505 // Don't insert if any duplicate is found
506 if(!epochSecondSet.contains(userAction.getTimestamp().getEpochSecond())) {
507 listUserActionClean.add(userAction);
508 epochSecondSet.add(userAction.getTimestamp().getEpochSecond());
511 return listUserActionClean;
515 // * Check if there is any overlap between the signature stored in this class and another signature.
517 // * 1) If both signatures do not have any range, then we need to do conservative checking (return true).
518 // * 2) If both signatures have the same number of packets/packet lengths, then we check the range; if the
519 // * numbers of packets/packet lengths are different then we assume that there is no overlap.
520 // * 3) If there is any range in the signatures, then we need to check for overlap.
521 // * 4) If there is overlap for every packet/packet length, then we return false (range-based checking); otherwise,
522 // * true (conservative checking).
524 // * @param otherSignature A {@code List} of {@code List} of {@code List} of {@code PcapPacket} objects to be checked
525 // * for overlaps with the signature stored in this class.
526 // * @return A boolean that is true if there is an overlap; false otherwise.
528 // public boolean isConservativeChecking(List<List<List<PcapPacket>>> otherSignature) {
530 // // Get the ranges of the two signatures
531 // List<List<List<PcapPacket>>> signatureRanges = getSequenceRanges(mSignature);
532 // List<List<List<PcapPacket>>> otherSignatureRanges = getSequenceRanges(otherSignature);
533 // if (!isRangeBased(signatureRanges) && !isRangeBased(otherSignatureRanges)) {
534 // // Conservative checking when there is no range
536 // } else if(signatureRanges.size() != otherSignatureRanges.size()) {
537 // // The two signatures have different numbers of packets/packet lengths
540 // // There is range; check if there is overlap
541 // return checkOverlap(signatureRanges, otherSignatureRanges);
546 // * Check for overlap since we have range in at least one of the signatures.
547 // * Overlap is only true when all ranges overlap. We need to check in order.
549 // private boolean checkOverlap(List<List<List<PcapPacket>>> signatureRanges,
550 // List<List<List<PcapPacket>>> otherSignatureRanges) {
552 // for(List<List<PcapPacket>> listListPcapPacket : signatureRanges) {
553 // // Lower bound of the range is in index 0
554 // // Upper bound of the range is in index 1
555 // int sequenceSetIndex = signatureRanges.indexOf(listListPcapPacket);
556 // List<PcapPacket> minSequenceSignature = listListPcapPacket.get(0);
557 // List<PcapPacket> maxSequenceSignature = listListPcapPacket.get(1);
558 // for(PcapPacket pcapPacket : minSequenceSignature) {
559 // // Get the lower and upper bounds of the current signature
560 // int packetIndex = minSequenceSignature.indexOf(pcapPacket);
561 // int lowerBound = pcapPacket.length();
562 // int upperBound = maxSequenceSignature.get(packetIndex).length();
563 // // Check for range overlap in the other signature!
564 // // Check the packet/packet length at the same position
565 // List<PcapPacket> minSequenceSignatureOther = otherSignatureRanges.get(sequenceSetIndex).get(0);
566 // List<PcapPacket> maxSequenceSignatureOther = otherSignatureRanges.get(sequenceSetIndex).get(1);
567 // int lowerBoundOther = minSequenceSignatureOther.get(packetIndex).length();
568 // int upperBoundOther = maxSequenceSignatureOther.get(packetIndex).length();
569 // if (!(lowerBoundOther <= lowerBound && lowerBound <= upperBoundOther) &&
570 // !(lowerBoundOther <= upperBound && upperBound <= upperBoundOther)) {
580 // * Check and see if there is any range in the signatures
582 // private boolean isRangeBased(List<List<List<PcapPacket>>> signatureRanges) {
584 // for(List<List<PcapPacket>> listListPcapPacket : signatureRanges) {
585 // // Lower bound of the range is in index 0
586 // // Upper bound of the range is in index 1
587 // List<PcapPacket> minSequence = listListPcapPacket.get(0);
588 // List<PcapPacket> maxSequence = listListPcapPacket.get(1);
589 // for(PcapPacket pcapPacket : minSequence) {
590 // int index = minSequence.indexOf(pcapPacket);
591 // if (pcapPacket.length() != maxSequence.get(index).length()) {
592 // // If there is any packet length that differs in the minSequence
593 // // and maxSequence, then it is range-based
602 /* Find the sequence with the minimum packet lengths.
603 * The second-layer list should contain the minimum sequence for element 0 and maximum sequence for element 1.
605 private List<List<List<PcapPacket>>> getSequenceRanges(List<List<List<PcapPacket>>> signature) {
607 // Start from the first index
608 List<List<List<PcapPacket>>> rangeBasedSequence = new ArrayList<>();
609 for(List<List<PcapPacket>> listListPcapPacket : signature) {
610 List<List<PcapPacket>> minMaxSequence = new ArrayList<>();
611 // Both searches start from index 0
612 List<PcapPacket> minSequence = new ArrayList<>(listListPcapPacket.get(0));
613 List<PcapPacket> maxSequence = new ArrayList<>(listListPcapPacket.get(0));
614 for(List<PcapPacket> listPcapPacket : listListPcapPacket) {
615 for(PcapPacket pcapPacket : listPcapPacket) {
616 int index = listPcapPacket.indexOf(pcapPacket);
617 // Set the new minimum if length at the index is minimum
618 if (pcapPacket.length() < minSequence.get(index).length()) {
619 minSequence.set(index, pcapPacket);
621 // Set the new maximum if length at the index is maximum
622 if (pcapPacket.length() > maxSequence.get(index).length()) {
623 maxSequence.set(index, pcapPacket);
627 // minSequence as element 0 and maxSequence as element 1
628 minMaxSequence.add(minSequence);
629 minMaxSequence.add(maxSequence);
630 rangeBasedSequence.add(minMaxSequence);
633 return rangeBasedSequence;
636 public SignatureDetector(List<List<List<PcapPacket>>> searchedSignature, String routerWanIp, int inclusionTimeMillis,
637 List<List<List<List<PcapPacket>>>> otherSignatures) {
638 // note: doesn't protect inner lists from changes :'(
639 mSignature = Collections.unmodifiableList(searchedSignature);
640 // Generate corresponding/appropriate ClusterMatchers based on the provided signature
641 List<Layer3ClusterMatcher> clusterMatchers = new ArrayList<>();
642 for (List<List<PcapPacket>> cluster : mSignature) {
643 clusterMatchers.add(new Layer3ClusterMatcher(cluster, routerWanIp, otherSignatures, this));
645 mClusterMatchers = Collections.unmodifiableList(clusterMatchers);
648 pendingMatches = new List[mClusterMatchers.size()];
649 for (int i = 0; i < pendingMatches.length; i++) {
650 pendingMatches[i] = new ArrayList<>();
652 Map<Layer3ClusterMatcher, Integer> clusterMatcherIds = new HashMap<>();
653 for (int i = 0; i < mClusterMatchers.size(); i++) {
654 clusterMatcherIds.put(mClusterMatchers.get(i), i);
656 mClusterMatcherIds = Collections.unmodifiableMap(clusterMatcherIds);
657 mInclusionTimeMillis =
658 inclusionTimeMillis == 0 ? TriggerTrafficExtractor.INCLUSION_WINDOW_MILLIS : inclusionTimeMillis;
661 public void addObserver(SignatureDetectionObserver observer) {
662 mObservers.add(observer);
665 public boolean removeObserver(SignatureDetectionObserver observer) {
666 return mObservers.remove(observer);
670 public void gotPacket(PcapPacket packet) {
671 // simply delegate packet reception to all ClusterMatchers.
672 mClusterMatchers.forEach(cm -> cm.gotPacket(packet));
676 public void onMatch(AbstractClusterMatcher clusterMatcher, List<PcapPacket> match) {
677 // Add the match at the corresponding index
678 pendingMatches[mClusterMatcherIds.get(clusterMatcher)].add(match);
679 checkSignatureMatch();
682 private void checkSignatureMatch() {
683 // << Graph-based approach using Balint's idea. >>
684 // This implementation assumes that the packets in the inner lists (the sequences) are ordered by asc timestamp.
686 // There cannot be a signature match until each Layer3ClusterMatcher has found a match of its respective sequence.
687 if (Arrays.stream(pendingMatches).noneMatch(l -> l.isEmpty())) {
689 final SimpleDirectedWeightedGraph<Vertex, DefaultWeightedEdge> graph =
690 new SimpleDirectedWeightedGraph<>(DefaultWeightedEdge.class);
691 // Add a vertex for each match found by all ClusterMatchers
692 // And maintain an array to keep track of what cluster matcher each vertex corresponds to
693 final List<Vertex>[] vertices = new List[pendingMatches.length];
694 for (int i = 0; i < pendingMatches.length; i++) {
695 vertices[i] = new ArrayList<>();
696 for (List<PcapPacket> sequence : pendingMatches[i]) {
697 Vertex v = new Vertex(sequence);
698 vertices[i].add(v); // retain reference for later when we are to add edges
699 graph.addVertex(v); // add to vertex to graph
702 // Add dummy source and sink vertices to facilitate search.
703 final Vertex source = new Vertex(null);
704 final Vertex sink = new Vertex(null);
705 graph.addVertex(source);
706 graph.addVertex(sink);
707 // The source is connected to all vertices that wrap the sequences detected by Layer3ClusterMatcher at index 0.
708 // Note: zero cost edges as this is just a dummy link to facilitate search from a common start node.
709 for (Vertex v : vertices[0]) {
710 DefaultWeightedEdge edge = graph.addEdge(source, v);
711 graph.setEdgeWeight(edge, 0.0);
713 // Similarly, all vertices that wrap the sequences detected by the last Layer3ClusterMatcher of the signature
714 // are connected to the sink node.
715 for (Vertex v : vertices[vertices.length-1]) {
716 DefaultWeightedEdge edge = graph.addEdge(v, sink);
717 graph.setEdgeWeight(edge, 0.0);
719 // Now link sequences detected by Layer3ClusterMatcher at index i to sequences detected by Layer3ClusterMatcher at index
720 // i+1 if they obey the timestamp constraint (i.e., that the latter is later in time than the former).
721 for (int i = 0; i < vertices.length; i++) {
723 if (j < vertices.length) {
724 for (Vertex iv : vertices[i]) {
725 PcapPacket ivLast = iv.sequence.get(iv.sequence.size()-1);
726 for (Vertex jv : vertices[j]) {
727 PcapPacket jvFirst = jv.sequence.get(jv.sequence.size()-1);
728 if (ivLast.getTimestamp().isBefore(jvFirst.getTimestamp())) {
729 DefaultWeightedEdge edge = graph.addEdge(iv, jv);
730 // The weight is the duration of the i'th sequence plus the duration between the i'th
731 // and i+1'th sequence.
732 Duration d = Duration.
733 between(iv.sequence.get(0).getTimestamp(), jvFirst.getTimestamp());
734 // Unfortunately weights are double values, so must convert from long to double.
735 // TODO: need nano second precision? If so, use d.toNanos().
736 // TODO: risk of overflow when converting from long to double..?
737 graph.setEdgeWeight(edge, Long.valueOf(d.toMillis()).doubleValue());
739 // Alternative version if we cannot assume that sequences are ordered by timestamp:
740 // if (iv.sequence.stream().max(Comparator.comparing(PcapPacket::getTimestamp)).get()
741 // .getTimestamp().isBefore(jv.sequence.stream().min(
742 // Comparator.comparing(PcapPacket::getTimestamp)).get().getTimestamp())) {
749 // Graph construction complete, run shortest-path to find a (potential) signature match.
750 DijkstraShortestPath<Vertex, DefaultWeightedEdge> dijkstra = new DijkstraShortestPath<>(graph);
751 GraphPath<Vertex, DefaultWeightedEdge> shortestPath = dijkstra.getPath(source, sink);
752 if (shortestPath != null) {
753 // The total weight is the duration between the first packet of the first sequence and the last packet
754 // of the last sequence, so we simply have to compare the weight against the timeframe that we allow
755 // the signature to span. For now we just use the inclusion window we defined for training purposes.
756 // Note however, that we must convert back from double to long as the weight is stored as a double in
758 if (((long)shortestPath.getWeight()) < mInclusionTimeMillis) {
759 // There's a signature match!
760 // Extract the match from the vertices
761 List<List<PcapPacket>> signatureMatch = new ArrayList<>();
762 for(Vertex v : shortestPath.getVertexList()) {
763 if (v == source || v == sink) {
764 // Skip the dummy source and sink nodes.
767 signatureMatch.add(v.sequence);
768 // As there is a one-to-one correspondence between vertices[] and pendingMatches[], we know that
769 // the sequence we've "consumed" for index i of the matched signature is also at index i in
770 // pendingMatches. We must remove it from pendingMatches so that we don't use it to construct
771 // another signature match in a later call.
772 pendingMatches[signatureMatch.size()-1].remove(v.sequence);
774 // Declare success: notify observers
775 mObservers.forEach(obs -> obs.onSignatureDetected(mSignature,
776 Collections.unmodifiableList(signatureMatch)));
783 * Used for registering for notifications of signatures detected by a {@link SignatureDetector}.
785 interface SignatureDetectionObserver {
788 * Invoked when the {@link SignatureDetector} detects the presence of a signature in the traffic that it's
790 * @param searchedSignature The signature that the {@link SignatureDetector} reporting the match is searching
792 * @param matchingTraffic The actual traffic trace that matches the searched signature.
794 void onSignatureDetected(List<List<List<PcapPacket>>> searchedSignature,
795 List<List<PcapPacket>> matchingTraffic);
799 * Encapsulates a {@code List<PcapPacket>} so as to allow the list to be used as a vertex in a graph while avoiding
800 * the expensive {@link AbstractList#equals(Object)} calls when adding vertices to the graph.
801 * Using this wrapper makes the incurred {@code equals(Object)} calls delegate to {@link Object#equals(Object)}
802 * instead of {@link AbstractList#equals(Object)}. The net effect is a faster implementation, but the graph will not
803 * recognize two lists that contain the same items--from a value and not reference point of view--as the same
804 * vertex. However, this is fine for our purposes -- in fact restricting it to reference equality seems more
807 private static class Vertex {
808 private final List<PcapPacket> sequence;
809 private Vertex(List<PcapPacket> wrappedSequence) {
810 sequence = wrappedSequence;