package edu.uci.iotproject;
-import io.kaitai.struct.ByteBufferKaitaiStream;
-import io.kaitai.struct.KaitaiStruct;
-import io.kaitai.struct.KaitaiStream;
-import java.io.IOException;
-import java.util.Iterator;
-import java.util.ArrayList;
-import java.util.List;
-import java.util.HashMap;
-import java.util.Map;
+import static edu.uci.iotproject.analysis.UserAction.Type;
+
+import edu.uci.iotproject.analysis.TcpConversationUtils;
+import edu.uci.iotproject.analysis.TrafficLabeler;
+import edu.uci.iotproject.analysis.TriggerTrafficExtractor;
+import edu.uci.iotproject.analysis.UserAction;
+import edu.uci.iotproject.comparison.seqalignment.ExtractedSequence;
+import edu.uci.iotproject.comparison.seqalignment.SequenceAlignment;
+import edu.uci.iotproject.comparison.seqalignment.SequenceExtraction;
+import edu.uci.iotproject.io.TriggerTimesFileReader;
+import org.pcap4j.core.*;
+import org.pcap4j.packet.namednumber.DataLinkType;
+
+import java.io.EOFException;
+import java.net.UnknownHostException;
+import java.time.Instant;
+import java.util.*;
+import java.util.concurrent.TimeoutException;
/**
* This is a system that reads PCAP files to compare
public class Main {
- /**
- * Private class properties
- */
- private Pcap pcap;
- private List<Pcap.Packet> listPacket;
- private Map<String, String> mapIPAddressToHostname;
-
- /**
- * Private class constants
- */
- private static final int DNS_PORT = 53;
-
- /**
- * Constructor
- *
- * @param file name of the analyzed PCAP file
- */
- public Main(String file) throws IOException {
-
- pcap = Pcap.fromFile(file);
- listPacket = pcap.packets();
- mapIPAddressToHostname = new HashMap<String, String>();
- }
+ public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException {
+ // -------------------------------------------------------------------------------------------------------------
+ // ------------ # Code for extracting traffic generated by a device within x seconds of a trigger # ------------
+ // Paths to input and output files (consider supplying these as arguments instead) and IP of the device for
+ // which traffic is to be extracted:
+ String path = "/scratch/July-2018"; // Rahmadi
+// String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
+ boolean verbose = true;
+
+ // 1) D-Link July 26 experiment
+// final String inputPcapFile = path + "/2018-07/dlink/dlink.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-07/dlink/dlink-processed.pcap";
+// final String triggerTimesFile = path + "/2018-07/dlink/dlink-july-26-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .199 == dlink plug?
+
+ // 2) TP-Link July 25 experiment
+// final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.pcap";
+// final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.timestamps";
+// final String deviceIp = "192.168.1.159";
+
+ // 2b) TP-Link July 25 experiment TRUNCATED:
+ // Only contains "true local" events, i.e., before the behavior changes to remote-like behavior.
+ // Last included event is at July 25 10:38:11; file filtered to only include packets with arrival time <= 10:38:27.
+// final String inputPcapFile = path + "/2018-07/tplink/tplink.wlan1.local.truncated.pcap";
+// final String outputPcapFile = path + "/2018-07/tplink/tplink-processed.truncated.pcap";
+// final String triggerTimesFile = path + "/2018-07/tplink/tplink-july-25-2018.truncated.timestamps";
+// final String deviceIp = "192.168.1.159";
+
+ // 3) SmartThings Plug July 25 experiment
+// final String inputPcapFile = path + "/2018-07/stplug/stplug.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-07/stplug/stplug-processed.pcap";
+// final String triggerTimesFile = path + "/2018-07/stplug/smartthings-july-25-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
+
+ // 4) Wemo July 30 experiment
+ final String inputPcapFile = path + "/2018-07/wemo/wemo.wlan1.local.pcap";
+ final String outputPcapFile = path + "/2018-07/wemo/wemo-processed.pcap";
+ final String triggerTimesFile = path + "/2018-07/wemo/wemo-july-30-2018.timestamps";
+ final String deviceIp = "192.168.1.145";
+
+ // 5) Wemo Insight July 31 experiment
+// final String inputPcapFile = path + "/2018-07/wemoinsight/wemoinsight.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-07/wemoinsight/wemoinsight-processed.pcap";
+// final String triggerTimesFile = path + "/2018-07/wemoinsight/wemo-insight-july-31-2018.timestamps";
+// final String deviceIp = "192.168.1.135";
+
+ // 6) TP-Link Bulb August 1 experiment
+// final String inputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/tplink-bulb/tplinkbulb-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/tplink-bulb/tplink-bulb-aug-3-2018.timestamps";
+// final String deviceIp = "192.168.1.140";
+
+ // 7) Kwikset Doorlock August 6 experiment
+// final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-aug-6-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .142 == SmartThings Hub (note: use eth0 capture for this!)
+
+ // 8) Hue Bulb August 7 experiment
+// final String inputPcapFile = path + "/2018-08/hue-bulb/hue-bulb.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/hue-bulb/hue-bulb-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/hue-bulb/hue-bulb-aug-7-2018.timestamps";
+// final String deviceIp = "192.168.1.246";
+
+ // 9) Lifx Bulb August 8 experiment
+// final String inputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/lifx-bulb/lifx-bulb-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/lifx-bulb/lifx-bulb-aug-8-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .231 == Lifx
+
+ // 10) Amcrest Camera August 9 experiment
+// final String inputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/amcrest-camera/amcrest-camera-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/amcrest-camera/amcrest-camera-aug-9-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .235 == camera
+
+ // 11) Arlo Camera August 10 experiment
+// final String inputPcapFile = path + "/2018-08/arlo-camera/arlo-camera.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/arlo-camera/arlo-camera-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/arlo-camera/arlo-camera-aug-10-2018.timestamps";
+// final String deviceIp = "192.168.1.140"; // .246 == phone; .140 == camera
+
+ // 12) Blossom sprinkler August 13 experiment
+// final String inputPcapFile = path + "/2018-08/blossom/blossom.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/blossom/blossom-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/blossom/blossom-aug-13-2018.timestamps";
+// final String deviceIp = "192.168.1.229"; // .246 == phone; .229 == sprinkler
+
+ // 13) DLink siren August 14 experiment
+// final String inputPcapFile = path + "/2018-08/dlink-siren/dlink-siren.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/dlink-siren/dlink-siren-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/dlink-siren/dlink-siren-aug-14-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .183 == siren
+ // 14) Nest thermostat August 15 experiment
+// final String inputPcapFile = path + "/2018-08/nest/nest.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/nest/nest-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/nest/nest-aug-15-2018.timestamps";
+// final String deviceIp = "192.168.1.246"; // .246 == phone; .127 == Nest thermostat
- /**
- * Private method that maps DNS hostnames to their
- * respected IP addresses. This method iterates
- * through the List<Pcap.Packet>, gets DNS packets,
- * and gets the IP addresses associated with them.
- */
- private void mapHostnamesToIPAddresses() {
-
- int counter = 1;
- for(Pcap.Packet packet : listPacket) {
- System.out.print("# " + counter++);
- // Check the packet type
- if (packet._root().hdr().network() == Pcap.Linktype.ETHERNET) {
- EthernetFrame ethFrame = (EthernetFrame) packet.body();
- if (ethFrame.etherType() == EthernetFrame.EtherTypeEnum.IPV4) {
- Ipv4Packet ip4Packet = (Ipv4Packet) ethFrame.body();
-
- System.out.print(" - Protocol: " + ip4Packet.protocol());
- if (ip4Packet.protocol() == Ipv4Packet.ProtocolEnum.UDP) {
- // DNS is UDP port 53
- UdpDatagram udpData = (UdpDatagram) ip4Packet.body();
- System.out.print(" - Source Port: " + udpData.srcPort());
- System.out.print(" - Dest Port: " + udpData.dstPort());
-
- // Source port 53 means this is DNS response
- if (udpData.srcPort() == DNS_PORT) {
- KaitaiStream dnsStream = new ByteBufferKaitaiStream(udpData.body());
- DnsPacket dnsPacket = new DnsPacket(dnsStream);
- ArrayList<DnsPacket.Query> queries = dnsPacket.queries();
- ArrayList<DnsPacket.Answer> answers = dnsPacket.answers();
- String strDomainName = new String();
- for(DnsPacket.Query query : queries) {
- System.out.print(" - Queries: ");
- DnsPacket.DomainName domainName = query.name();
- ArrayList<DnsPacket.Label> labels = domainName.name();
- for(int i = 0; i < labels.size(); i++) {
- System.out.print(labels.get(i).name());
- strDomainName = strDomainName + labels.get(i).name();
- if(i < labels.size()-2) {
- System.out.print(".");
- strDomainName = strDomainName + ".";
- }
- }
- break; // We are assuming that there is only one query
- }
- System.out.print(" - Answers " + answers.size());
- for(DnsPacket.Answer answer : answers) {
- System.out.print(" - TypeType: " + answer.type());
- System.out.print(" - ClassType: " + answer.answerClass());
- System.out.print("\n - Answers: ");
- DnsPacket.Address address = answer.address();
- if (answer.type() == DnsPacket.TypeType.A) {
- String strAnswer = new String();
- ArrayList<Integer> ipList = address.ip();
- for(int i = 0; i < ipList.size(); i++) {
- System.out.print(ipList.get(i));
- strAnswer = strAnswer + Integer.toString(ipList.get(i));
- if(i < ipList.size()-1) {
- System.out.print(".");
- strAnswer = strAnswer + ".";
- }
- }
- mapIPAddressToHostname.put(strAnswer, strDomainName);
- }
- }
- }
- }
- }
+ // 15) Alexa August 16 experiment
+// final String inputPcapFile = path + "/2018-08/alexa/alexa.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/alexa/alexa-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-16-2018.timestamps";
+// final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
+ // August 17
+// final String inputPcapFile = path + "/2018-08/alexa/alexa2.wlan1.local.pcap";
+// final String outputPcapFile = path + "/2018-08/alexa/alexa2-processed.pcap";
+// final String triggerTimesFile = path + "/2018-08/alexa/alexa-aug-17-2018.timestamps";
+// final String deviceIp = "192.168.1.225"; // .246 == phone; .225 == Alexa
+
+ TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
+ List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
+ // Tag each trigger with "ON" or "OFF", assuming that the first trigger is an "ON" and that they alternate.
+ List<UserAction> userActions = new ArrayList<>();
+ for (int i = 0; i < triggerTimes.size(); i++) {
+ userActions.add(new UserAction(i % 2 == 0 ? Type.TOGGLE_ON : Type.TOGGLE_OFF, triggerTimes.get(i)));
+ }
+ TriggerTrafficExtractor tte = new TriggerTrafficExtractor(inputPcapFile, triggerTimes, deviceIp);
+ final PcapDumper outputter = Pcaps.openDead(DataLinkType.EN10MB, 65536).dumpOpen(outputPcapFile);
+ DnsMap dnsMap = new DnsMap();
+ TcpReassembler tcpReassembler = new TcpReassembler();
+ TrafficLabeler trafficLabeler = new TrafficLabeler(userActions);
+ tte.performExtraction(pkt -> {
+ try {
+ outputter.dump(pkt);
+ } catch (NotOpenException e) {
+ e.printStackTrace();
}
- System.out.println();
+ }, dnsMap, tcpReassembler, trafficLabeler);
+ outputter.flush();
+ outputter.close();
+
+ if (tte.getPacketsIncludedCount() != trafficLabeler.getTotalPacketCount()) {
+ // Sanity/debug check
+ throw new AssertionError(String.format("mismatch between packet count in %s and %s",
+ TriggerTrafficExtractor.class.getSimpleName(), TrafficLabeler.class.getSimpleName()));
}
-// for(Map.Entry<String, String> entry : mapIPAddressToHostname.entrySet()) {
-// if (entry.getValue().equals("devs.tplinkcloud.com")) {
-// System.out.println(entry.getKey() + " - " + entry.getValue());
-// }
-// }
- System.out.println("Total map size: " + mapIPAddressToHostname.size());
- System.out.println("Answer for 13.33.41.8: " + mapIPAddressToHostname.get("13.33.41.8"));
- System.out.println("Answer for 34.226.240.125: " + mapIPAddressToHostname.get("34.226.240.125"));
- }
- /*private String cloudIPAddress(String hostName) {
- if (hostName.equals("events.tplinkra.com"))
- return "205.251.203.26";
- else
- return null;
- }*/
+ // Extract all conversations present in the filtered trace.
+ List<Conversation> allConversations = tcpReassembler.getTcpConversations();
+ // Group conversations by hostname.
+ Map<String, List<Conversation>> convsByHostname = TcpConversationUtils.groupConversationsByHostname(allConversations, dnsMap);
+ System.out.println("Grouped conversations by hostname.");
+ // For each hostname, count the frequencies of packet lengths exchanged with that hostname.
+ final Map<String, Map<Integer, Integer>> pktLenFreqsByHostname = new HashMap<>();
+ convsByHostname.forEach((host, convs) -> pktLenFreqsByHostname.put(host, TcpConversationUtils.countPacketLengthFrequencies(convs)));
+ System.out.println("Counted frequencies of packet lengths exchanged with each hostname.");
+ // For each hostname, count the frequencies of packet sequences (i.e., count how many conversations exchange a
+ // sequence of packets of some specific lengths).
+ final Map<String, Map<String, Integer>> pktSeqFreqsByHostname = new HashMap<>();
+ convsByHostname.forEach((host, convs) -> pktSeqFreqsByHostname.put(host, TcpConversationUtils.countPacketSequenceFrequencies(convs)));
+ System.out.println("Counted frequencies of packet sequences exchanged with each hostname.");
+ // For each hostname, count frequencies of packet pairs exchanged with that hostname across all conversations
+ final Map<String, Map<String, Integer>> pktPairFreqsByHostname =
+ TcpConversationUtils.countPacketPairFrequenciesByHostname(allConversations, dnsMap);
+ System.out.println("Counted frequencies of packet pairs per hostname");
+ // For each user action, reassemble the set of TCP connections occurring shortly after
+ final Map<UserAction, List<Conversation>> userActionToConversations = trafficLabeler.getLabeledReassembledTcpTraffic();
+ final Map<UserAction, Map<String, List<Conversation>>> userActionsToConvsByHostname = trafficLabeler.getLabeledReassembledTcpTraffic(dnsMap);
+ System.out.println("Reassembled TCP conversations occurring shortly after each user event");
- // TODO move to separate class
- // Add parameter that is the trace to be analyzed (most like the pcap library's representation of a flow)
- public String findPattern(Map<String, List<Integer>> hostnameToPacketLengths, String smartPlugIp) {
- // No difference, output "Complete match"
- // If difference, output <Packet no, deviation from expected> for each packet
- return null;
- }
-
- public static void main(String[] args) {
- System.out.println("it works");
-
- //String file = "/home/rtrimana/pcap_processing/smart_home_traffic/Code/Projects/SmartPlugDetector/pcap/wlan1.local.dns.pcap";
- String file = "/home/rtrimana/pcap_processing/smart_home_traffic/Code/Projects/SmartPlugDetector/pcap/wlan1.remote.dns.pcap";
-
- try {
- Main main = new Main(file);
- main.mapHostnamesToIPAddresses();
-
- /*Pcap data = Pcap.fromFile(file);
- List<Pcap.Packet> listPacket = data.packets();
- System.out.println("Number of packets: " + listPacket.size());
- System.out.println("===================");
- for(Pcap.Packet packet : listPacket) {
- if (packet._root().hdr().network() == Pcap.Linktype.ETHERNET) {
- EthernetFrame eFrame = (EthernetFrame) packet.body();
- if (eFrame.etherType() == EthernetFrame.EtherTypeEnum.IPV4) {
- Ipv4Packet ip4Packet = (Ipv4Packet) eFrame.body();
- byte[] srcIp = ip4Packet.srcIpAddr();
- byte[] dstIp = ip4Packet.dstIpAddr();
- System.out.println("Byte length source: " + srcIp.length + " Byte length dest: " + dstIp.length);
- System.out.print("Source: ");
- for(int i = 0; i < srcIp.length; i++) {
- System.out.print(Byte.toUnsignedInt(srcIp[i]));
- if(i < srcIp.length-1)
- System.out.print(".");
- }
- System.out.print(" - Dest: ");
- for(int i = 0; i < dstIp.length; i++) {
- System.out.print(Byte.toUnsignedInt(dstIp[i]));
- if(i < dstIp.length-1)
- System.out.print(".");
- else
- System.out.println("\n");
- }
- }
- }
- }*/
-
- } catch (Exception e) {
- e.printStackTrace();
+
+ // Contains all ON events: hostname -> sequence identifier -> list of conversations with that sequence
+ Map<String, Map<String, List<Conversation>>> ons = new HashMap<>();
+ // Contains all OFF events: hostname -> sequence identifier -> list of conversations with that sequence
+ Map<String, Map<String, List<Conversation>>> offs = new HashMap<>();
+
+ if (verbose) {
+ userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
+ Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
+ hostnameToConvs.forEach((host, convs) -> {
+ Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
+ groupConversationsByPacketSequenceVerbose(convs);
+ outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
+ newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
+ list1.addAll(list2);
+ return list1;
+ }));
+ return oldMap;
+ });
+ });
+ });
+ } else {
+ userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> {
+ Map<String, Map<String, List<Conversation>>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs;
+ hostnameToConvs.forEach((host, convs) -> {
+ Map<String, List<Conversation>> seqsToConvs = TcpConversationUtils.
+ groupConversationsByPacketSequence(convs);
+ outer.merge(host, seqsToConvs, (oldMap, newMap) -> {
+ newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> {
+ list1.addAll(list2);
+ return list1;
+ }));
+ return oldMap;
+ });
+ });
+ });
}
+
+ // ================================================================================================
+ // <<< Some work-in-progress/explorative code that extracts a "representative" sequence >>>
+ //
+ // Currently need to know relevant hostname in advance :(
+ String hostname = "events.tplinkra.com";
+ // Conversations with 'hostname' for ON events.
+ List<Conversation> onsForHostname = new ArrayList<>();
+ // Conversations with 'hostname' for OFF events.
+ List<Conversation> offsForHostname = new ArrayList<>();
+ // "Unwrap" sequence groupings in ons/offs maps.
+ ons.get(hostname).forEach((k,v) -> onsForHostname.addAll(v));
+ offs.get(hostname).forEach((k,v) -> offsForHostname.addAll(v));
+ // Extract representative sequence for ON and OFF by providing the list of conversations with
+ // 'hostname' observed for each event type (the training data).
+ SequenceExtraction seqExtraction = new SequenceExtraction();
+ ExtractedSequence extractedSequenceForOn = seqExtraction.extract(onsForHostname);
+ ExtractedSequence extractedSequenceForOff = seqExtraction.extract(offsForHostname);
+ // Let's check how many ONs align with OFFs and vice versa (that is, how many times an event is incorrectly
+ // labeled).
+ int onsLabeledAsOff = 0;
+ Integer[] representativeOnSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOn.getRepresentativeSequence());
+ Integer[] representativeOffSeq = TcpConversationUtils.getPacketLengthSequence(extractedSequenceForOff.getRepresentativeSequence());
+ SequenceAlignment<Integer> seqAlg = seqExtraction.getAlignmentAlgorithm();
+ for (Conversation c : onsForHostname) {
+ Integer[] onSeq = TcpConversationUtils.getPacketLengthSequence(c);
+ if (seqAlg.calculateAlignment(representativeOffSeq, onSeq) <= extractedSequenceForOff.getMaxAlignmentCost()) {
+ onsLabeledAsOff++;
+ }
+ }
+ int offsLabeledAsOn = 0;
+ for (Conversation c : offsForHostname) {
+ Integer[] offSeq = TcpConversationUtils.getPacketLengthSequence(c);
+ if (seqAlg.calculateAlignment(representativeOnSeq, offSeq) <= extractedSequenceForOn.getMaxAlignmentCost()) {
+ offsLabeledAsOn++;
+ }
+ }
+ System.out.println("");
+ // ================================================================================================
+
+
+ // -------------------------------------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------------------------------------
}
+
}
+
+
+// TP-Link MAC 50:c7:bf:33:1f:09 and usually IP 192.168.1.159 (remember to verify per file)
+// frame.len >= 556 && frame.len <= 558 && ip.addr == 192.168.1.159
\ No newline at end of file
projects / pingpong.git / blobdiff