X-Git-Url: http://plrg.eecs.uci.edu/git/?p=pingpong.git;a=blobdiff_plain;f=Code%2FProjects%2FSmartPlugDetector%2Fsrc%2Fmain%2Fjava%2Fedu%2Fuci%2Fiotproject%2FMain.java;h=0f837b29f41ad193b827bee13768a84c610bf43b;hp=b323d846e289f7b888ddeed33791dac777833b9f;hb=f314a6e02dad77f006f7acea08d3304569fc5ea9;hpb=862b0fda8609f46b594c3de4e091969dbda5951a diff --git a/Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java b/Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java index b323d84..0f837b2 100644 --- a/Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java +++ b/Code/Projects/SmartPlugDetector/src/main/java/edu/uci/iotproject/Main.java @@ -1,16 +1,27 @@ package edu.uci.iotproject; +import static edu.uci.iotproject.analysis.UserAction.Type; +import edu.uci.iotproject.analysis.*; +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 edu.uci.iotproject.util.PrintUtils; +import org.apache.commons.math3.stat.clustering.Cluster; +import org.apache.commons.math3.stat.clustering.DBSCANClusterer; import org.pcap4j.core.*; -import org.pcap4j.packet.*; -import org.pcap4j.packet.DnsPacket; -import org.pcap4j.packet.namednumber.DnsResourceRecordType; +import org.pcap4j.packet.namednumber.DataLinkType; import java.io.EOFException; -import java.net.Inet4Address; +import java.io.File; +import java.io.PrintWriter; import java.net.UnknownHostException; +import java.time.Instant; import java.util.*; import java.util.concurrent.TimeoutException; +import java.util.stream.Collectors; +import java.util.stream.Stream; /** * This is a system that reads PCAP files to compare @@ -26,270 +37,390 @@ public class Main { public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException { - final String fileName = "/users/varmarken/Desktop/wlan1.local.dns.pcap"; - List dnsPackets = extractDnsAnswerPackets(fileName); - Map> ipToHostnameMap = constructIpToHostnameMap(dnsPackets); -// ipToHostnameMap.forEach((k,v) -> System.out.println(String.format("%s => %s", k, v.toString()))); + // ------------------------------------------------------------------------------------------------------------- + // ------------ # 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; + final String onPairsPath = "/scratch/July-2018/on.txt"; + final String offPairsPath = "/scratch/July-2018/off.txt"; + // 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? - // ====== Debug code ====== - PcapHandle handle; - try { - handle = Pcaps.openOffline(fileName, PcapHandle.TimestampPrecision.NANO); - } catch (PcapNativeException pne) { - handle = Pcaps.openOffline(fileName); + // 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"; // .246 == phone; .140 == TP-Link bulb + + // 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!) + + // September 12, 2018 - includes both wlan1 and eth1 interfaces + //final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3.wlan1.local.pcap"; +// final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3.eth1.local.pcap"; +// final String outputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3-processed.pcap"; +// final String triggerTimesFile = path + "/2018-08/kwikset-doorlock/kwikset-doorlock-sept-12-2018.timestamps"; +// final String deviceIp = "192.168.1.142"; // .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 = "192.168.1.246"; // .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 = "192.168.1.183"; // .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 + + // 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 + + // September 17 +// final String inputPcapFile = path + "/2018-08/noise/noise.eth1.pcap"; +// final String outputPcapFile = path + "/2018-08/noise/noise-processed.pcap"; +// final String triggerTimesFile = path + "/2018-08/noise/noise-sept-17-2018.timestamps"; +// final String deviceIp = "192.168.1.142"; // .142 == SmartThings Hub; .199 == dlink plug; .183 == siren + + TriggerTimesFileReader ttfr = new TriggerTimesFileReader(); + List 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 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))); } - FlowPatternFinder fpf = new FlowPatternFinder(ipToHostnameMap); - fpf.findFlowPattern(handle, FlowPattern.TP_LINK_LOCAL_ON); + 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(); + } + }, 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())); + } - /** - * Opens a PCAP file and extracts all DNS reply packets with non-empty answer sections. - * @param pcapFileName The name of the PCAP file. - * @return A list of DNS reply packets. - * @throws PcapNativeException - * @throws NotOpenException - * @throws TimeoutException - */ - private static List extractDnsAnswerPackets(String pcapFileName) throws PcapNativeException, NotOpenException, TimeoutException { - PcapHandle handle; - try { - handle = Pcaps.openOffline(pcapFileName, PcapHandle.TimestampPrecision.NANO); - } catch (PcapNativeException pne) { - handle = Pcaps.openOffline(pcapFileName); + // Extract all conversations present in the filtered trace. + List allConversations = tcpReassembler.getTcpConversations(); + // Group conversations by hostname. + Map> 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> 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> 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> 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> userActionToConversations = trafficLabeler.getLabeledReassembledTcpTraffic(); + final Map>> userActionsToConvsByHostname = trafficLabeler.getLabeledReassembledTcpTraffic(dnsMap); + System.out.println("Reassembled TCP conversations occurring shortly after each user event"); + + + + /* + * NOTE: no need to generate these more complex on/off maps that also contain mappings from hostname and + * sequence identifiers as we do not care about hostnames and sequences during clustering. + * We can simply use the UserAction->List map to generate ON/OFF groupings of conversations. + */ + /* + // Contains all ON events: hostname -> sequence identifier -> list of conversations with that sequence + Map>> ons = new HashMap<>(); + // Contains all OFF events: hostname -> sequence identifier -> list of conversations with that sequence + Map>> offs = new HashMap<>(); + userActionsToConvsByHostname.forEach((ua, hostnameToConvs) -> { + Map>> outer = ua.getType() == Type.TOGGLE_ON ? ons : offs; + hostnameToConvs.forEach((host, convs) -> { + Map> seqsToConvs = TcpConversationUtils. + groupConversationsByPacketSequence(convs, verbose); + outer.merge(host, seqsToConvs, (oldMap, newMap) -> { + newMap.forEach((sequence, cs) -> oldMap.merge(sequence, cs, (list1, list2) -> { + list1.addAll(list2); + return list1; + })); + return oldMap; + }); + }); + }); + */ + + // ================================================ CLUSTERING ================================================ + // Note: no need to use the more convoluted on/off maps; can simply use the UserAction->List map + // when don't care about hostnames and sequences (see comment earlier). + List onConversations = userActionToConversations.entrySet().stream(). + filter(e -> e.getKey().getType() == Type.TOGGLE_ON). // drop all OFF events from stream + map(e -> e.getValue()). // no longer interested in the UserActions + flatMap(List::stream). // flatten List> to a List + collect(Collectors.toList()); + List offConversations = userActionToConversations.entrySet().stream(). + filter(e -> e.getKey().getType() == Type.TOGGLE_OFF). + map(e -> e.getValue()). + flatMap(List::stream). + collect(Collectors.toList()); + List onPairs = onConversations.stream(). + map(c -> c.isTls() ? TcpConversationUtils.extractTlsAppDataPacketPairs(c) : + TcpConversationUtils.extractPacketPairs(c)). + flatMap(List::stream). // flatten List> to List<> + collect(Collectors.toList()); + List offPairs = offConversations.stream(). + map(c -> c.isTls() ? TcpConversationUtils.extractTlsAppDataPacketPairs(c) : + TcpConversationUtils.extractPacketPairs(c)). + flatMap(List::stream). // flatten List> to List<> + collect(Collectors.toList()); + // Note: need to update the DnsMap of all PcapPacketPairs if we want to use the IP/hostname-sensitive distance. + Stream.concat(Stream.of(onPairs), Stream.of(offPairs)).flatMap(List::stream).forEach(p -> p.setDnsMap(dnsMap)); + // Perform clustering on conversation logged as part of all ON events. + DBSCANClusterer onClusterer = new DBSCANClusterer<>(10.0, 5); + List> onClusters = onClusterer.cluster(onPairs); + // Perform clustering on conversation logged as part of all OFF events. + DBSCANClusterer offClusterer = new DBSCANClusterer<>(10.0, 5); + List> offClusters = offClusterer.cluster(offPairs); + // Output clusters + System.out.println("========================================"); + System.out.println(" Clustering results for ON "); + System.out.println(" Number of clusters: " + onClusters.size()); + int count = 0; + for (Cluster c : onClusters) { + System.out.println(String.format("<<< Cluster #%02d (%03d points) >>>", ++count, c.getPoints().size())); + System.out.print(PrintUtils.toSummaryString(c)); + } + System.out.println("========================================"); + System.out.println(" Clustering results for OFF "); + System.out.println(" Number of clusters: " + offClusters.size()); + count = 0; + for (Cluster c : offClusters) { + System.out.println(String.format("<<< Cluster #%03d (%06d points) >>>", ++count, c.getPoints().size())); + System.out.print(PrintUtils.toSummaryString(c)); } - // Apparently BPFs don't support "dns" protocol filter, so have to filter by port. - handle.setFilter("port 53", BpfProgram.BpfCompileMode.OPTIMIZE); - ArrayList result = new ArrayList<>(); + System.out.println("========================================"); + // ============================================================================================================ + + /* + System.out.println("==== ON ===="); + // Print out all the pairs into a file for ON events + File fileOnEvents = new File(onPairsPath); + PrintWriter pwOn = null; try { - Packet packet; - while ((packet = handle.getNextPacketEx()) != null) { - DnsPacket dnsPacket = packet.get(DnsPacket.class); - // We only care about DNS answers. - if (dnsPacket != null && dnsPacket.getHeader().getAnswers().size() != 0) { - result.add(dnsPacket); + pwOn = new PrintWriter(fileOnEvents); + } catch(Exception ex) { + ex.printStackTrace(); + } + for(Map.Entry>> entry : ons.entrySet()) { + Map> seqsToConvs = entry.getValue(); + for(Map.Entry> entryConv : seqsToConvs.entrySet()) { + List listConv = entryConv.getValue(); + // Just get the first Conversation because all Conversations in this group + // should have the same pairs of Application Data. + for(Conversation conv : listConv) { + // Process only if it is a TLS packet + if (conv.isTls()) { + List tlsAppDataList = TcpConversationUtils.extractTlsAppDataPacketPairs(conv); + for(PcapPacketPair pair: tlsAppDataList) { + System.out.println(PrintUtils.toCsv(pair, dnsMap)); + pwOn.println(PrintUtils.toCsv(pair, dnsMap)); + } + } else { // Non-TLS conversations + List packetList = TcpConversationUtils.extractPacketPairs(conv); + for(PcapPacketPair pair: packetList) { + System.out.println(PrintUtils.toCsv(pair, dnsMap)); + pwOn.println(PrintUtils.toCsv(pair, dnsMap)); + } + } } } - } catch (EOFException eof) { - // (Note have to resort to EOFException as handle.getStats().getNumPacketsCaptured() only works on Windows) - // Clean up. - handle.close(); } - System.out.println(String.format("Found %d DNS answers", result.size())); - return result; - } + pwOn.close(); - /** - * Based on the information found in a list of DNS replies, this method constructs a {@link Map} that maps from an - * IP to a {@link Set} of hostnames associated with that IP. - * - * @param dnsPackets A list of DNS reply packets. - * @return A {@link Map} that maps from an IP to a {@link Set} of hostnames associated with that IP - * @throws UnknownHostException If an IP found in a {@code DnsPacket} is of incorrect length. - */ - private static Map> constructIpToHostnameMap(List dnsPackets) throws UnknownHostException { - HashMap> result = new HashMap<>(); - for(DnsPacket dnsPacket : dnsPackets) { - // The hostname that this DNS reply provides answers for. - // TODO: safe to assume only one question? - String hostname = dnsPacket.getHeader().getQuestions().get(0).getQName().getName(); - for(DnsResourceRecord answer : dnsPacket.getHeader().getAnswers()) { - // We only care about type A records - if (!answer.getDataType().equals(DnsResourceRecordType.A)) { - continue; - } - // Sanity check. For some reason the hostname appears to be the empty string in the answer . - // We hence have to assume that all answers correspond to a single question that holds the hostname as part of its object tree. - // Therefore, if there are more questions in one query-reply exchange, we are in trouble. - if (!answer.getName().getName().equals("") && !answer.getName().getName().equals(hostname)) { - throw new RuntimeException("[DNS parser] mismatch between hostname in question and hostname in answer"); + System.out.println("==== OFF ===="); + // Print out all the pairs into a file for ON events + File fileOffEvents = new File(offPairsPath); + PrintWriter pwOff = null; + try { + pwOff = new PrintWriter(fileOffEvents); + } catch(Exception ex) { + ex.printStackTrace(); + } + for(Map.Entry>> entry : offs.entrySet()) { + Map> seqsToConvs = entry.getValue(); + for(Map.Entry> entryConv : seqsToConvs.entrySet()) { + List listConv = entryConv.getValue(); + // Just get the first Conversation because all Conversations in this group + // should have the same pairs of Application Data. + for(Conversation conv : listConv) { + // Process only if it is a TLS packet + if (conv.isTls()) { + List tlsAppDataList = TcpConversationUtils.extractTlsAppDataPacketPairs(conv); + for(PcapPacketPair pair: tlsAppDataList) { + System.out.println(PrintUtils.toCsv(pair, dnsMap)); + pwOff.println(PrintUtils.toCsv(pair, dnsMap)); + } + } else { // Non-TLS conversations + List packetList = TcpConversationUtils.extractPacketPairs(conv); + for (PcapPacketPair pair : packetList) { + System.out.println(PrintUtils.toCsv(pair, dnsMap)); + pwOff.println(PrintUtils.toCsv(pair, dnsMap)); + } + } } - // The IP in byte representation. - byte[] ipBytes = answer.getRData().getRawData(); - // Convert to string representation. - String ip = Inet4Address.getByAddress(ipBytes).getHostAddress(); - HashSet hostnameSet = new HashSet<>(); - hostnameSet.add(hostname); - // Update or insert depending on presence of key: - // Concat the existing set and the new set if ip already present as key, - // otherwise add an entry for ip pointing to new set. - result.merge(ip, hostnameSet, (v1, v2) -> { v1.addAll(v2); return v1; }); } } - return result; - } + pwOff.close(); + */ - - -// /** -// * Private class properties -// */ -// private Pcap pcap; -// private List listPacket; -// private Map 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(); -// } -// -// +// // ================================================================================================ +// // <<< Some work-in-progress/explorative code that extracts a "representative" sequence >>> +// // +// // Currently need to know relevant hostname in advance :( +// String hostname = "events.tplinkra.com"; +//// String hostname = "rfe-us-west-1.dch.dlink.com"; +// // Conversations with 'hostname' for ON events. +// List onsForHostname = new ArrayList<>(); +// // Conversations with 'hostname' for OFF events. +// List 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)); // // +// Map> onsForHostnameGroupedByTlsAppDataSequence = TcpConversationUtils.groupConversationsByTlsApplicationDataPacketSequence(onsForHostname); // -// /** -// * Private method that maps DNS hostnames to their -// * respected IP addresses. This method iterates -// * through the List, 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(); +// // 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); // -// 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()); +// ExtractedSequence extractedSequenceForOn = seqExtraction.extractByTlsAppData(onsForHostname); +// ExtractedSequence extractedSequenceForOff = seqExtraction.extractByTlsAppData(offsForHostname); // -// // 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 queries = dnsPacket.queries(); -// ArrayList answers = dnsPacket.answers(); -// String strDomainName = new String(); -// for(DnsPacket.Query query : queries) { -// System.out.print(" - Queries: "); -// DnsPacket.DomainName domainName = query.name(); -// ArrayList 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 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); -// } -// } -// } -// } -// } +// // 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 seqAlg = seqExtraction.getAlignmentAlgorithm(); +// for (Conversation c : onsForHostname) { +// Integer[] onSeq = TcpConversationUtils.getPacketLengthSequence(c); +// if (seqAlg.calculateAlignment(representativeOffSeq, onSeq) <= extractedSequenceForOff.getMaxAlignmentCost()) { +// onsLabeledAsOff++; // } -// System.out.println(); // } -//// for(Map.Entry 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; -// }*/ -// -// // 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> hostnameToPacketLengths, String smartPlugIp) { -// -// // No difference, output "Complete match" -// // If difference, output 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(); +// int offsLabeledAsOn = 0; +// for (Conversation c : offsForHostname) { +// Integer[] offSeq = TcpConversationUtils.getPacketLengthSequence(c); +// if (seqAlg.calculateAlignment(representativeOnSeq, offSeq) <= extractedSequenceForOn.getMaxAlignmentCost()) { +// offsLabeledAsOn++; +// } +// } +// System.out.println(""); +// // ================================================================================================ // -// /*Pcap data = Pcap.fromFile(file); -// List 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(); -// } -// } +// // ------------------------------------------------------------------------------------------------------------- +// // ------------------------------------------------------------------------------------------------------------- + } + } + + +// 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