1 package edu.uci.iotproject;
3 import static edu.uci.iotproject.analysis.UserAction.Type;
5 import edu.uci.iotproject.analysis.TcpConversationUtils;
6 import edu.uci.iotproject.analysis.TrafficLabeler;
7 import edu.uci.iotproject.analysis.TriggerTrafficExtractor;
8 import edu.uci.iotproject.analysis.UserAction;
9 import edu.uci.iotproject.io.TriggerTimesFileReader;
10 import org.pcap4j.core.*;
11 import org.pcap4j.packet.namednumber.DataLinkType;
13 import java.io.EOFException;
14 import java.net.UnknownHostException;
15 import java.time.Instant;
17 import java.util.concurrent.TimeoutException;
20 * This is a system that reads PCAP files to compare
21 * patterns of DNS hostnames, packet sequences, and packet
22 * lengths with training data to determine certain events
23 * or actions for smart home devices.
25 * @author Janus Varmarken
26 * @author Rahmadi Trimananda (rtrimana@uci.edu)
32 public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException {
33 // -------------------------------------------------------------------------------------------------------------
34 // ------------ # Code for extracting traffic generated by a device within x seconds of a trigger # ------------
35 // Paths to input and output files (consider supplying these as arguments instead) and IP of the device for
36 // which traffic is to be extracted:
37 String path = "/scratch/July-2018"; // Rahmadi
38 //String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
40 // 1) D-Link July 26 experiment
41 // final String inputPcapFile = path + "/2018-07/dlink/dlink.wlan1.local.pcap";
42 // final String outputPcapFile = path + "/2018-07/dlink/dlink-processed.pcap";
43 // final String triggerTimesFile = path + "/2018-07/dlink/dlink-july-26-2018.timestamps";
44 // final String deviceIp = "192.168.1.199"; // .246 == phone; .199 == dlink plug?
46 // 2) TP-Link July 25 experiment
47 // final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.pcap";
48 // final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.pcap";
49 // final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.timestamps";
50 // final String deviceIp = "192.168.1.159";
52 // 2b) TP-Link July 25 experiment TRUNCATED:
53 // Only contains "true local" events, i.e., before the behavior changes to remote-like behavior.
54 // Last included event is at July 25 10:38:11; file filtered to only include packets with arrival time <= 10:38:27.
55 // final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.truncated.pcap";
56 // final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.truncated.pcap";
57 // final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.truncated.timestamps";
58 // final String deviceIp = "192.168.1.159";
60 // 3) SmartThings Plug July 25 experiment
61 // final String inputPcapFile = path + "/2018-07/stplug/stplug.wlan1.local.pcap";
62 // final String outputPcapFile = path + "/2018-07/stplug/stplug-processed.pcap";
63 // final String triggerTimesFile = path + "/2018-07/stplug/smartthings-july-25-2018.timestamps";
64 // final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
66 // 4) Wemo July 30 experiment
67 // final String inputPcapFile = path + "/2018-07/wemo/wemo.wlan1.local.pcap";
68 // final String outputPcapFile = path + "/2018-07/wemo/wemo-processed.pcap";
69 // final String triggerTimesFile = path + "/2018-07/wemo/wemo-july-30-2018.timestamps";
70 // final String deviceIp = "192.168.1.145";
72 // 5) Wemo Insight July 31 experiment
73 // final String inputPcapFile = path + "/2018-07/wemoinsight/wemoinsight.wlan1.local.pcap";
74 // final String outputPcapFile = path + "/2018-07/wemoinsight/wemoinsight-processed.pcap";
75 // final String triggerTimesFile = path + "/2018-07/wemoinsight/wemo-insight-july-31-2018.timestamps";
76 // final String deviceIp = "192.168.1.135";
78 // 6) TP-Link Bulb August 1 experiment
79 // final String inputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb.wlan1.local.pcap";
80 // final String outputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb-processed.pcap";
81 // final String triggerTimesFile = path + "/2018-08/tplink-bulb/tplink-bulb-aug-3-2018.timestamps";
82 // final String deviceIp = "192.168.1.140";
84 // 7) Kwikset Doorlock August 6 experiment
85 // final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock.wlan1.local.pcap";
86 // final String outputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-processed.pcap";
87 // final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-aug-6-2018.timestamps";
88 // final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
90 // 8) Hue Bulb August 7 experiment
91 // final String inputPcapFile = path + "/2018-08/hue-bulb/hue-bulb.wlan1.local.pcap";
92 // final String outputPcapFile = path + "/2018-08/hue-bulb/hue-bulb-processed.pcap";
93 // final String triggerTimesFile = path + "/2018-08/hue-bulb/hue-bulb-aug-7-2018.timestamps";
94 // final String deviceIp = "192.168.1.246";
96 // 9) Lifx Bulb August 8 experiment
97 // final String inputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb.wlan1.local.pcap";
98 // final String outputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb-processed.pcap";
99 // final String triggerTimesFile = path + "/2018-08/lifx-bulb/lifx-bulb-aug-8-2018.timestamps";
100 // final String deviceIp = "192.168.1.246"; // .246 == phone; .231 == Lifx
102 // 10) Amcrest Camera August 9 experiment
103 // final String inputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera.wlan1.local.pcap";
104 // final String outputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera-processed.pcap";
105 // final String triggerTimesFile = path + "/2018-08/amcrest-camera/amcrest-camera-aug-9-2018.timestamps";
106 // final String deviceIp = "192.168.1.246"; // .246 == phone; .235 == camera
108 // 11) Arlo Camera August 10 experiment
109 final String inputPcapFile = path + "/2018-08/arlo-camera/arlo-camera.wlan1.local.pcap";
110 final String outputPcapFile = path + "/2018-08/arlo-camera/arlo-camera-processed.pcap";
111 final String triggerTimesFile = path + "/2018-08/arlo-camera/arlo-camera-aug-10-2018.timestamps";
112 final String deviceIp = "192.168.1.140"; // .246 == phone; .140 == camera
114 // 12) Blossom sprinkler August 13 experiment
115 // final String inputPcapFile = path + "/2018-08/blossom/blossom.wlan1.local.pcap";
116 // final String outputPcapFile = path + "/2018-08/blossom/blossom-processed.pcap";
117 // final String triggerTimesFile = path + "/2018-08/blossom/blossom-aug-13-2018.timestamps";
118 // final String deviceIp = "192.168.1.229"; // .246 == phone; .229 == sprinkler
120 // 13) DLink siren August 14 experiment
121 // final String inputPcapFile = path + "/2018-08/dlink-siren/dlink-siren.wlan1.local.pcap";
122 // final String outputPcapFile = path + "/2018-08/dlink-siren/dlink-siren-processed.pcap";
123 // final String triggerTimesFile = path + "/2018-08/dlink-siren/dlink-siren-aug-14-2018.timestamps";
124 // final String deviceIp = "192.168.1.183"; // .246 == phone; .183 == siren
126 // 14) Nest thermostat August 15 experiment
127 // final String inputPcapFile = path + "/2018-08/nest/nest.wlan1.local.pcap";
128 // final String outputPcapFile = path + "/2018-08/nest/nest-processed.pcap";
129 // final String triggerTimesFile = path + "/2018-08/nest/nest-aug-15-2018.timestamps";
130 // final String deviceIp = "192.168.1.246"; // .246 == phone; .127 == Nest thermostat
132 // 15) Alexa August 16 experiment
133 // final String inputPcapFile = path + "/2018-08/alexa/alexa.wlan1.local.pcap";
134 // final String outputPcapFile = path + "/2018-08/alexa/alexa-processed.pcap";
135 // final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-16-2018.timestamps";
136 // final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
138 // final String inputPcapFile = path + "/2018-08/alexa/alexa2.wlan1.local.pcap";
139 // final String outputPcapFile = path + "/2018-08/alexa/alexa2-processed.pcap";
140 // final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-17-2018.timestamps";
141 // final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
143 TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
144 List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
145 // Tag each trigger with "ON" or "OFF", assuming that the first trigger is an "ON" and that they alternate.
146 List<UserAction> userActions = new ArrayList<>();
147 for (int i = 0; i < triggerTimes.size(); i++) {
148 userActions.add(new UserAction(i % 2 == 0 ? Type.TOGGLE_ON : Type.TOGGLE_OFF, triggerTimes.get(i)));
150 TriggerTrafficExtractor tte = new TriggerTrafficExtractor(inputPcapFile, triggerTimes, deviceIp);
151 final PcapDumper outputter = Pcaps.openDead(DataLinkType.EN10MB, 65536).dumpOpen(outputPcapFile);
152 DnsMap dnsMap = new DnsMap();
153 TcpReassembler tcpReassembler = new TcpReassembler();
154 TrafficLabeler trafficLabeler = new TrafficLabeler(userActions);
155 tte.performExtraction(pkt -> {
158 } catch (NotOpenException e) {
161 }, dnsMap, tcpReassembler, trafficLabeler);
165 if (tte.getPacketsIncludedCount() != trafficLabeler.getTotalPacketCount()) {
166 // Sanity/debug check
167 throw new AssertionError(String.format("mismatch between packet count in %s and %s",
168 TriggerTrafficExtractor.class.getSimpleName(), TrafficLabeler.class.getSimpleName()));
171 // Extract all conversations present in the filtered trace.
172 List<Conversation> allConversations = tcpReassembler.getTcpConversations();
173 // Group conversations by hostname.
174 Map<String, List<Conversation>> convsByHostname = TcpConversationUtils.groupConversationsByHostname(allConversations, dnsMap);
175 System.out.println("Grouped conversations by hostname.");
176 // For each hostname, count the frequencies of packet lengths exchanged with that hostname.
177 final Map<String, Map<Integer, Integer>> pktLenFreqsByHostname = new HashMap<>();
178 convsByHostname.forEach((host, convs) -> pktLenFreqsByHostname.put(host, TcpConversationUtils.countPacketLengthFrequencies(convs)));
179 System.out.println("Counted frequencies of packet lengths exchanged with each hostname.");
180 // For each hostname, count the frequencies of packet sequences (i.e., count how many conversations exchange a
181 // sequence of packets of some specific lengths).
182 final Map<String, Map<String, Integer>> pktSeqFreqsByHostname = new HashMap<>();
183 convsByHostname.forEach((host, convs) -> pktSeqFreqsByHostname.put(host, TcpConversationUtils.countPacketSequenceFrequencies(convs)));
184 System.out.println("Counted frequencies of packet sequences exchanged with each hostname.");
185 // For each hostname, count frequencies of packet pairs exchanged with that hostname across all conversations
186 final Map<String, Map<String, Integer>> pktPairFreqsByHostname =
187 TcpConversationUtils.countPacketPairFrequenciesByHostname(allConversations, dnsMap);
188 System.out.println("Counted frequencies of packet pairs per hostname");
189 // For each user action, reassemble the set of TCP connections occurring shortly after
190 final Map<UserAction, List<Conversation>> userActionToConversations = trafficLabeler.getLabeledReassembledTcpTraffic();
191 final Map<UserAction, Map<String, List<Conversation>>> userActionsToConvsByHostname = trafficLabeler.getLabeledReassembledTcpTraffic(dnsMap);
192 System.out.println("Reassembled TCP conversations occurring shortly after each user event");
196 // Contains all ON events: hostname -> sequence identifier -> list of conversations with that sequence
197 Map<String, Map<String, List<Conversation>>> ons = new HashMap<>();
198 // Contains all OFF events: hostname -> sequence identifier -> list of conversations with that sequence
199 Map<String, Map<String, List<Conversation>>> offs = new HashMap<>();
200 userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
201 Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
202 hostnameToConvs.forEach((host, convs) -> {
203 Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
204 groupConversationsByPacketSequence(convs);
205 outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
206 newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
215 System.out.println("");
217 // -------------------------------------------------------------------------------------------------------------
218 // -------------------------------------------------------------------------------------------------------------
224 // TP-Link MAC 50:c7:bf:33:1f:09 and usually IP 192.168.1.159 (remember to verify per file)
225 // frame.len >= 556 && frame.len <= 558 && ip.addr == 192.168.1.159