--- /dev/null
- throw new IllegalArgumentException("no local IP or router WAN port IP found, can't detect direction");
+ package edu.uci.iotproject.detection.layer3;
+
+ import edu.uci.iotproject.detection.AbstractClusterMatcher;
+ import edu.uci.iotproject.trafficreassembly.layer3.Conversation;
+ import edu.uci.iotproject.trafficreassembly.layer3.TcpReassembler;
+ import edu.uci.iotproject.analysis.TcpConversationUtils;
+ import edu.uci.iotproject.io.PcapHandleReader;
+ import edu.uci.iotproject.util.PrintUtils;
+ import org.pcap4j.core.*;
+
+ import java.time.ZoneId;
+ import java.util.*;
+ import java.util.stream.Collectors;
+
+ import static edu.uci.iotproject.util.PcapPacketUtils.*;
+
+ /**
+ * Searches a traffic trace for sequences of packets "belong to" a given cluster (in other words, attempts to classify
+ * traffic as pertaining to a given cluster).
+ *
+ * @author Janus Varmarken {@literal <jvarmark@uci.edu>}
+ * @author Rahmadi Trimananda {@literal <rtrimana@uci.edu>}
+ */
+ public class Layer3ClusterMatcher extends AbstractClusterMatcher implements PacketListener {
+
+ // Test client
+ public static void main(String[] args) throws PcapNativeException, NotOpenException {
+
+ // String path = "/scratch/July-2018"; // Rahmadi
+ String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
+ final String inputPcapFile = path + "/2018-07/dlink/dlink.wlan1.local.pcap";
+ final String signatureFile = path + "/2018-07/dlink/offSignature1.sig";
+
+ List<List<PcapPacket>> signature = PrintUtils.deserializeClustersFromFile(signatureFile);
+ Layer3ClusterMatcher clusterMatcher = new Layer3ClusterMatcher(signature, null,
+ (sig, match) -> System.out.println(
+ String.format("[ !!! SIGNATURE DETECTED AT %s !!! ]",
+ match.get(0).getTimestamp().atZone(ZoneId.of("America/Los_Angeles")))
+ )
+ );
+
+ PcapHandle handle;
+ try {
+ handle = Pcaps.openOffline(inputPcapFile, PcapHandle.TimestampPrecision.NANO);
+ } catch (PcapNativeException pne) {
+ handle = Pcaps.openOffline(inputPcapFile);
+ }
+ PcapHandleReader reader = new PcapHandleReader(handle, p -> true, clusterMatcher);
+ reader.readFromHandle();
+ clusterMatcher.performDetection();
+ }
+
+ /**
+ * The ordered directions of packets in the sequences that make up {@link #mCluster}.
+ */
+ private final Conversation.Direction[] mClusterMemberDirections;
+
+ /**
+ * For reassembling the observed traffic into TCP connections.
+ */
+ private final TcpReassembler mTcpReassembler = new TcpReassembler();
+
+ /**
+ * IP of the router's WAN port (if analyzed traffic is captured at the ISP's point of view).
+ */
+ private final String mRouterWanIp;
+
+ private final ClusterMatchObserver[] mObservers;
+
+ /**
+ * Create a {@link Layer3ClusterMatcher}.
+ * @param cluster The cluster that traffic is matched against.
+ * @param routerWanIp The router's WAN IP if examining traffic captured at the ISP's point of view (used for
+ * determining the direction of packets).
+ * @param detectionObservers Client code that wants to get notified whenever the {@link Layer3ClusterMatcher} detects that
+ * (a subset of) the examined traffic is similar to the traffic that makes up
+ * {@code cluster}, i.e., when the examined traffic is classified as pertaining to
+ * {@code cluster}.
+ */
+ public Layer3ClusterMatcher(List<List<PcapPacket>> cluster, String routerWanIp, ClusterMatchObserver... detectionObservers) {
+ super(cluster);
+ // ===================== PRECONDITION SECTION =====================
+ mObservers = Objects.requireNonNull(detectionObservers, "detectionObservers cannot be null");
+ if (mObservers.length == 0) {
+ throw new IllegalArgumentException("no detectionObservers provided");
+ }
+ // Build the cluster members' direction sequence.
+ // Note: assumes that the provided cluster was captured within the local network (routerWanIp is set to null).
+ mClusterMemberDirections = getPacketDirections(cluster.get(0), null);
+ /*
+ * Enforce restriction on cluster members: all representatives must exhibit the same direction pattern and
+ * contain the same number of packets. Note that this is a somewhat heavy operation, so it may be disabled later
+ * on in favor of performance. However, it is only run once (at instantiation), so the overhead may be warranted
+ * in order to ensure correctness, especially during the development/debugging phase.
+ */
+ if (mCluster.stream().
+ anyMatch(inner -> !Arrays.equals(mClusterMemberDirections, getPacketDirections(inner, null)))) {
+ throw new IllegalArgumentException(
+ "cluster members must contain the same number of packets and exhibit the same packet direction " +
+ "pattern"
+ );
+ }
+ // ================================================================
+ mRouterWanIp = routerWanIp;
+ }
+
+ @Override
+ public void gotPacket(PcapPacket packet) {
+ // Present packet to TCP reassembler so that it can be mapped to a connection (if it is a TCP packet).
+ mTcpReassembler.gotPacket(packet);
+ }
+
+ /**
+ * Get the cluster that describes the packet sequence that this {@link Layer3ClusterMatcher} is searching for.
+ * @return the cluster that describes the packet sequence that this {@link Layer3ClusterMatcher} is searching for.
+ */
+ public List<List<PcapPacket>> getCluster() {
+ return mCluster;
+ }
+
+ public void performDetection() {
+ /*
+ * Let's start out simple by building a version that only works for signatures that do not span across multiple
+ * TCP conversations...
+ */
+ for (Conversation c : mTcpReassembler.getTcpConversations()) {
+ if (c.isTls() && c.getTlsApplicationDataPackets().isEmpty() || !c.isTls() && c.getPackets().isEmpty()) {
+ // Skip empty conversations.
+ continue;
+ }
+ for (List<PcapPacket> signatureSequence : mCluster) {
+ if (isTlsSequence(signatureSequence) != c.isTls()) {
+ // We consider it a mismatch if one is a TLS application data sequence and the other is not.
+ continue;
+ }
+ // Fetch set of packets to examine based on TLS or not.
+ List<PcapPacket> cPkts = c.isTls() ? c.getTlsApplicationDataPackets() : c.getPackets();
+ /*
+ * Note: we embed the attempt to detect the signature sequence in a loop in order to capture those cases
+ * where the same signature sequence appears multiple times in one Conversation.
+ *
+ * Note: since we expect all sequences that together make up the signature to exhibit the same direction
+ * pattern, we can simply pass the precomputed direction array for the signature sequence so that it
+ * won't have to be recomputed internally in each call to findSubsequenceInSequence().
+ */
+ Optional<List<PcapPacket>> match;
+ while ((match = findSubsequenceInSequence(signatureSequence, cPkts, mClusterMemberDirections, null)).
+ isPresent()) {
+ List<PcapPacket> matchSeq = match.get();
+ // Notify observers about the match.
+ Arrays.stream(mObservers).forEach(o -> o.onMatch(Layer3ClusterMatcher.this, matchSeq));
+ /*
+ * Get the index in cPkts of the last packet in the sequence of packets that matches the searched
+ * signature sequence.
+ */
+ int matchSeqEndIdx = cPkts.indexOf(matchSeq.get(matchSeq.size()-1));
+ // We restart the search for the signature sequence immediately after that index, so truncate cPkts.
+ cPkts = cPkts.stream().skip(matchSeqEndIdx + 1).collect(Collectors.toList());
+ }
+ }
+ /*
+ * TODO:
+ * if no item in cluster matches, also perform a distance-based matching to cover those cases where we did
+ * not manage to capture every single mutation of the sequence during training.
+ *
+ * Need to compute average/centroid of cluster to do so...? Compute within-cluster variance, then check if
+ * distance between input conversation and cluster average/centroid is smaller than or equal to the computed
+ * variance?
+ */
+ }
+ }
+
+ /**
+ * Checks if {@code sequence} is a sequence of TLS packets. Note: the current implementation relies on inspection
+ * of the port numbers when deciding between TLS vs. non-TLS. Therefore, only the first packet of {@code sequence}
+ * is examined as it is assumed that all packets in {@code sequence} pertain to the same {@link Conversation} and
+ * hence share the same set of two src/dst port numbers (albeit possibly alternating between which one is the src
+ * and which one is the dst, as packets in {@code sequence} may be in alternating directions).
+ * @param sequence The sequence of packets for which it is to be determined if it is a sequence of TLS packets or
+ * non-TLS packets.
+ * @return {@code true} if {@code sequence} is a sequence of TLS packets, {@code false} otherwise.
+ */
+ private boolean isTlsSequence(List<PcapPacket> sequence) {
+ // NOTE: Assumes ALL packets in sequence pertain to the same TCP connection!
+ PcapPacket firstPkt = sequence.get(0);
+ int srcPort = getSourcePort(firstPkt);
+ int dstPort = getDestinationPort(firstPkt);
+ return TcpConversationUtils.isTlsPort(srcPort) || TcpConversationUtils.isTlsPort(dstPort);
+ }
+
+ /**
+ * Examine if a given sequence of packets ({@code sequence}) contains a given shorter sequence of packets
+ * ({@code subsequence}). Note: the current implementation actually searches for a substring as it does not allow
+ * for interleaving packets in {@code sequence} that are not in {@code subsequence}; for example, if
+ * {@code subsequence} consists of packet lengths [2, 3, 5] and {@code sequence} consists of packet lengths
+ * [2, 3, 4, 5], the result will be that there is no match (because of the interleaving 4). If we are to allow
+ * interleaving packets, we need a modified version of
+ * <a href="https://stackoverflow.com/a/20545604/1214974">this</a>.
+ *
+ * @param subsequence The sequence to search for.
+ * @param sequence The sequence to search.
+ * @param subsequenceDirections The directions of packets in {@code subsequence} such that for all {@code i},
+ * {@code subsequenceDirections[i]} is the direction of the packet returned by
+ * {@code subsequence.get(i)}. May be set to {@code null}, in which this call will
+ * internally compute the packet directions.
+ * @param sequenceDirections The directions of packets in {@code sequence} such that for all {@code i},
+ * {@code sequenceDirections[i]} is the direction of the packet returned by
+ * {@code sequence.get(i)}. May be set to {@code null}, in which this call will internally
+ * compute the packet directions.
+ *
+ * @return An {@link Optional} containing the part of {@code sequence} that matches {@code subsequence}, or an empty
+ * {@link Optional} if no part of {@code sequence} matches {@code subsequence}.
+ */
+ private Optional<List<PcapPacket>> findSubsequenceInSequence(List<PcapPacket> subsequence,
+ List<PcapPacket> sequence,
+ Conversation.Direction[] subsequenceDirections,
+ Conversation.Direction[] sequenceDirections) {
+ if (sequence.size() < subsequence.size()) {
+ // If subsequence is longer, it cannot be contained in sequence.
+ return Optional.empty();
+ }
+ if (isTlsSequence(subsequence) != isTlsSequence(sequence)) {
+ // We consider it a mismatch if one is a TLS application data sequence and the other is not.
+ return Optional.empty();
+ }
+ // If packet directions have not been precomputed by calling code, we need to construct them.
+ if (subsequenceDirections == null) {
+ subsequenceDirections = getPacketDirections(subsequence, mRouterWanIp);
+ }
+ if (sequenceDirections == null) {
+ sequenceDirections = getPacketDirections(sequence, mRouterWanIp);
+ }
+ int subseqIdx = 0;
+ int seqIdx = 0;
+ while (seqIdx < sequence.size()) {
+ PcapPacket subseqPkt = subsequence.get(subseqIdx);
+ PcapPacket seqPkt = sequence.get(seqIdx);
+ // We only have a match if packet lengths and directions match.
+ if (subseqPkt.getOriginalLength() == seqPkt.getOriginalLength() &&
+ subsequenceDirections[subseqIdx] == sequenceDirections[seqIdx]) {
+ // A match; advance both indices to consider next packet in subsequence vs. next packet in sequence.
+ subseqIdx++;
+ seqIdx++;
+ if (subseqIdx == subsequence.size()) {
+ // We managed to match the entire subsequence in sequence.
+ // Return the sublist of sequence that matches subsequence.
+ /*
+ * TODO:
+ * ASSUMES THE BACKING LIST (i.e., 'sequence') IS _NOT_ STRUCTURALLY MODIFIED, hence may not work
+ * for live traces!
+ */
+ return Optional.of(sequence.subList(seqIdx - subsequence.size(), seqIdx));
+ }
+ } else {
+ // Mismatch.
+ if (subseqIdx > 0) {
+ /*
+ * If we managed to match parts of subsequence, we restart the search for subsequence in sequence at
+ * the index of sequence where the current mismatch occurred. I.e., we must reset subseqIdx, but
+ * leave seqIdx untouched.
+ */
+ subseqIdx = 0;
+ } else {
+ /*
+ * First packet of subsequence didn't match packet at seqIdx of sequence, so we move forward in
+ * sequence, i.e., we continue the search for subsequence in sequence starting at index seqIdx+1 of
+ * sequence.
+ */
+ seqIdx++;
+ }
+ }
+ }
+ return Optional.empty();
+ }
+
+ /**
+ * Given a cluster, produces a pruned version of that cluster. In the pruned version, there are no duplicate cluster
+ * members. Two cluster members are considered identical if their packets lengths and packet directions are
+ * identical. The resulting pruned cluster is unmodifiable (this applies to both the outermost list as well as the
+ * nested lists) in order to preserve its integrity when exposed to external code (e.g., through
+ * {@link #getCluster()}).
+ *
+ * @param cluster A cluster to prune.
+ * @return The resulting pruned cluster.
+ */
+ @Override
+ protected List<List<PcapPacket>> pruneCluster(List<List<PcapPacket>> cluster) {
+ List<List<PcapPacket>> prunedCluster = new ArrayList<>();
+ for (List<PcapPacket> originalClusterSeq : cluster) {
+ boolean alreadyPresent = false;
+ for (List<PcapPacket> prunedClusterSeq : prunedCluster) {
+ Optional<List<PcapPacket>> duplicate = findSubsequenceInSequence(originalClusterSeq, prunedClusterSeq,
+ mClusterMemberDirections, mClusterMemberDirections);
+ if (duplicate.isPresent()) {
+ alreadyPresent = true;
+ break;
+ }
+ }
+ if (!alreadyPresent) {
+ prunedCluster.add(Collections.unmodifiableList(originalClusterSeq));
+ }
+ }
+ return Collections.unmodifiableList(prunedCluster);
+ }
+
+ /**
+ * Given a {@code List<PcapPacket>}, generate a {@code Conversation.Direction[]} such that each entry in the
+ * resulting {@code Conversation.Direction[]} specifies the direction of the {@link PcapPacket} at the corresponding
+ * index in the input list.
+ * @param packets The list of packets for which to construct a corresponding array of packet directions.
+ * @param routerWanIp The IP of the router's WAN port. This is used for determining the direction of packets when
+ * the traffic is captured just outside the local network (at the ISP side of the router). Set to
+ * {@code null} if {@code packets} stem from traffic captured within the local network.
+ * @return A {@code Conversation.Direction[]} specifying the direction of the {@link PcapPacket} at the
+ * corresponding index in {@code packets}.
+ */
+ private static Conversation.Direction[] getPacketDirections(List<PcapPacket> packets, String routerWanIp) {
+ Conversation.Direction[] directions = new Conversation.Direction[packets.size()];
+ for (int i = 0; i < packets.size(); i++) {
+ PcapPacket pkt = packets.get(i);
+ if (getSourceIp(pkt).equals(getDestinationIp(pkt))) {
+ // Sanity check: we shouldn't be processing loopback traffic
+ throw new AssertionError("loopback traffic detected");
+ }
+ if (isSrcIpLocal(pkt) || getSourceIp(pkt).equals(routerWanIp)) {
+ directions[i] = Conversation.Direction.CLIENT_TO_SERVER;
+ } else if (isDstIpLocal(pkt) || getDestinationIp(pkt).equals(routerWanIp)) {
+ directions[i] = Conversation.Direction.SERVER_TO_CLIENT;
+ } else {
++ //throw new IllegalArgumentException("no local IP or router WAN port IP found, can't detect direction");
+ }
+ }
+ return directions;
+ }
+
+ /**
+ * Interface used by client code to register for receiving a notification whenever the {@link Layer3ClusterMatcher}
+ * detects traffic that is similar to the traffic that makes up the cluster returned by
+ * {@link Layer3ClusterMatcher#getCluster()}.
+ */
+ interface ClusterMatchObserver {
+ /**
+ * Callback that is invoked whenever a sequence that is similar to a sequence associated with the cluster (i.e.,
+ * a sequence is a member of the cluster) is detected in the traffic that the associated {@link Layer3ClusterMatcher}
+ * observes.
+ * @param clusterMatcher The {@link Layer3ClusterMatcher} that detected a match (classified traffic as pertaining to
+ * its associated cluster).
+ * @param match The traffic that was deemed to match the cluster associated with {@code clusterMatcher}.
+ */
+ void onMatch(Layer3ClusterMatcher clusterMatcher, List<PcapPacket> match);
+ }
+
+ }
--- /dev/null
-// final String inputPcapFile = path + "/experimental_result/smarthome/blossom-sprinkler/eth0/blossom-sprinkler.eth0.detection.pcap";
- final String inputPcapFile = path + "/experimental_result/smarthome/blossom-sprinkler/wlan1/blossom-sprinkler.wlan1.detection.pcap";
+ package edu.uci.iotproject.detection.layer3;
+
+ import edu.uci.iotproject.analysis.TriggerTrafficExtractor;
+ import edu.uci.iotproject.analysis.UserAction;
+ import edu.uci.iotproject.io.PcapHandleReader;
+ import edu.uci.iotproject.util.PrintUtils;
+ import org.jgrapht.GraphPath;
+ import org.jgrapht.alg.shortestpath.DijkstraShortestPath;
+ import org.jgrapht.graph.DefaultWeightedEdge;
+ import org.jgrapht.graph.SimpleDirectedWeightedGraph;
+ import org.pcap4j.core.*;
+
+ import java.time.Duration;
+ import java.time.ZoneId;
+ import java.time.format.DateTimeFormatter;
+ import java.time.format.FormatStyle;
+ import java.util.*;
+ import java.util.function.Consumer;
+
+ /**
+ * Detects an event signature that spans one or multiple TCP connections.
+ *
+ * @author Janus Varmarken {@literal <jvarmark@uci.edu>}
+ * @author Rahmadi Trimananda {@literal <rtrimana@uci.edu>}
+ */
+ public class SignatureDetector implements PacketListener, Layer3ClusterMatcher.ClusterMatchObserver {
+
+ // Test client
+ public static void main(String[] args) throws PcapNativeException, NotOpenException {
+ // if (args.length < 3) {
+ // String errMsg = String.format("Usage: %s inputPcapFile onSignatureFile offSignatureFile",
+ // SignatureDetector.class.getSimpleName());
+ // System.out.println(errMsg);
+ // return;
+ // }
+ // final String inputPcapFile = args[0];
+ // final String onSignatureFile = args[1];
+ // final String offSignatureFile = args[2];
+
+ String path = "/scratch/July-2018"; // Rahmadi
+ // String path = "/Users/varmarken/temp/UCI IoT Project/experiments"; // Janus
+ // String path = "/home/jvarmark/iot_project/datasets"; // Hera (server)
+ // String path = "/raid/varmarken/iot_project/datasets"; // Zeus (server)
+
+ // No activity test
+ //final String inputPcapFile = path + "/evaluation/no-activity/no-activity.wlan1.pcap";
+
+ // D-Link Siren experiment
+ // final String inputPcapFile = path + "/evaluation/dlink-siren/dlink-siren.data.wlan1.pcap";
+ // final String inputPcapFile = path + "/evaluation/dlink-siren/dlink-siren.eth0.local.pcap";
+ // D-Link Siren DEVICE signatures
+ // final String onSignatureFile = path + "/2018-08/dlink-siren/onSignature-DLink-Siren-device.sig";
+ // final String offSignatureFile = path + "/2018-08/dlink-siren/offSignature-DLink-Siren-device.sig";
+ // D-Link Siren PHONE signatures
+ // final String onSignatureFile = path + "/2018-08/dlink-siren/onSignature-DLink-Siren-phone.sig";
+ // final String offSignatureFile = path + "/2018-08/dlink-siren/offSignature-DLink-Siren-phone.sig";
+ // TODO: EXPERIMENT - November 19, 2018
+ // Hue Bulb experiment
+ // final String inputPcapFile = path + "/2018-08/hue-bulb/hue-bulb.wlan1.local.pcap";
+ // Hue Bulb PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/hue-bulb/signatures/hue-bulb-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/hue-bulb/signatures/hue-bulb-offSignature-phone-side.sig";
+
+ /*
+ // Kwikset Doorlock Sep 12 experiment
+ // final String inputPcapFile = path + "/evaluation/kwikset-doorlock/kwikset-doorlock.data.wlan1.pcap";
+ final String inputPcapFile = path + "/evaluation/kwikset-doorlock/kwikset-doorlock.data.eth0.pcap";
+ // // Kwikset Doorlock PHONE signatures
+ final String onSignatureFile = path + "/2018-08/kwikset-doorlock/onSignature-Kwikset-Doorlock-phone-new.sig";
+ final String offSignatureFile = path + "/2018-08/kwikset-doorlock/offSignature-Kwikset-Doorlock-phone-new.sig";
+ */
+
+ // D-Link Plug experiment
+ //final String inputPcapFile = path + "/evaluation/dlink/dlink-plug.data.wlan1.pcap";
+ // final String inputPcapFile = path + "/evaluation/dlink/dlink-plug.data.eth0.pcap";
+
+ // D-Link Plug DEVICE signatures
+ // final String onSignatureFile = path + "/2018-07/dlink/onSignature-DLink-Plug-device.sig";
+ // final String offSignatureFile = path + "/2018-07/dlink/offSignature-DLink-Plug-device.sig";
+ // D-Link Plug PHONE signatures
+ // final String onSignatureFile = path + "/2018-07/dlink/onSignature-DLink-Plug-phone.sig";
+ // final String offSignatureFile = path + "/2018-07/dlink/offSignature-DLink-Plug-phone.sig";
+
+ // TODO: The following are negative tests against the PCAP file from UNSW
+ // final String inputPcapFile = path + "/UNSW/16-10-04.pcap"; // TODO: Seems to be broken! Zero-payload!
+ // final String inputPcapFile = path + "/UNSW/16-10-12.pcap";
+
+ // final String inputPcapFile = path + "/UNSW/16-09-28.pcap"; // TODO: Seems to be broken! Zero-payload!
+ // final String inputPcapFile = path + "/UNSW/16-10-02.pcap"; // TODO: Seems to be broken!
+ // final String inputPcapFile = path + "/UNSW/16-10-03.pcap"; // TODO: Seems to be broken!
+ // final String inputPcapFile = path + "/UNSW/16-10-04-a.pcap"; // TODO: Seems to be broken! Zero-payload!
+ // final String inputPcapFile = path + "/UNSW/16-10-04-b.pcap"; // TODO: Seems to be broken! Zero-payload!
+ // final String inputPcapFile = path + "/UNSW/16-10-07.pcap"; // TODO: Seems to be broken!
+ // final String inputPcapFile = path + "/UNSW/16-10-08.pcap"; // TODO: Seems to be broken!
+ // final String inputPcapFile = path + "/UNSW/16-10-09.pcap"; // TODO: Seems to be broken!
+ // final String inputPcapFile = path + "/UNSW/16-10-10.pcap"; // TODO: Seems to be broken!
+ // final String inputPcapFile = path + "/UNSW/16-10-11.pcap"; // TODO: Seems to be broken!
+ // TODO: The following one is very long!!! - Split into smaller files!
+ // final String inputPcapFile = path + "/UNSW/16-10-12-a.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-10-12-b.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-10-12-c.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-10-12-d.pcap";
+
+ // final String inputPcapFile = path + "/UNSW/16-09-23.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-09-24.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-09-25.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-09-26.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-09-27.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-09-29.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-10-01.pcap";
+ // final String inputPcapFile = path + "/UNSW/16-10-06.pcap";
+ // Negative test: dataset from UNB
+ // final String inputPcapFile = path + "/evaluation/negative-datasets/UNB/Monday-WorkingHours_one-local-endpoint.pcap";
+
+ // TODO: The following are tests for signatures against training data
+
+ // D-Link Plug experiment
+ // final String inputPcapFile = path + "/training/dlink-plug/wlan1/dlink-plug.wlan1.local.pcap";
+ // D-Link Plug DEVICE signatures
+ // final String onSignatureFile = path + "/training/dlink-plug/signatures/dlink-plug-onSignature-device-side.sig";
+ // final String offSignatureFile = path + "/training/dlink-plug/signatures/dlink-plug-offSignature-device-side.sig";
+ // D-Link Plug PHONE signatures
+ // final String onSignatureFile = path + "/training/dlink-plug/signatures/dlink-plug-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/training/dlink-plug/signatures/dlink-plug-offSignature-phone-side.sig";
+
+ // TODO: EXPERIMENT - November 7, 2018
+ // D-Link Plug experiment
+ //final String inputPcapFile = path + "/experimental_result/standalone/dlink-plug/wlan1/dlink-plug.wlan1.local.pcap";
+ //final String inputPcapFile = path + "/experimental_result/smarthome/dlink-plug/wlan1/dlink-plug.wlan1.detection.pcap";
+ //final String inputPcapFile = path + "/experimental_result/smarthome/dlink-plug/eth0/dlink-plug.eth0.detection.pcap";
+ // D-Link Plug DEVICE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-onSignature-device-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-offSignature-device-side.sig";
+ // D-Link Plug PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/dlink-plug/signatures/dlink-plug-offSignature-phone-side.sig";
+
+ // TODO: EXPERIMENT - November 9, 2018
+ // D-Link Siren experiment
+ //final String inputPcapFile = path + "/experimental_result/standalone/dlink-siren/wlan1/dlink-siren.wlan1.local.pcap";
+ //final String inputPcapFile = path + "/experimental_result/smarthome/dlink-siren/wlan1/dlink-siren.wlan1.detection.pcap";
+ // final String inputPcapFile = path + "/experimental_result/smarthome/dlink-siren/eth0/dlink-siren.eth0.detection.pcap";
+ // D-Link Siren DEVICE signatures
+ // TODO: The device signature does not have pairs---only one packet which is 216, so we don't consider this as a signature
+ // final String onSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-onSignature-device-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-offSignature-device-side.sig";
+ // D-Link Siren PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/dlink-siren/signatures/dlink-siren-offSignature-phone-side.sig";
+ // final String onSignatureFile = path + "/training/signatures/dlink-siren/dlink-siren-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/training/signatures/dlink-siren/dlink-siren-offSignature-phone-side.sig";
+
+ // TP-Link Plug experiment
+ //// final String inputPcapFile = path + "/training/tplink-plug/wlan1/tplink-plug.wlan1.local.pcap";
+ //// final String inputPcapFile = path + "/experimental_result/wifi-Sniffer/tests2/airtool_2019-01-04_11.08.45.AM.pcap";
+ // final String inputPcapFile = path + "/experimental_result/wifi-Sniffer/tests2/command-frames-only.pcap";
+ // // TP-Link Plug DEVICE signatures
+ // final String onSignatureFile = path + "/training/tplink-plug/signatures/tplink-plug-onSignature-device-side.sig";
+ // final String offSignatureFile = path + "/training/tplink-plug/signatures/tplink-plug-offSignature-device-side.sig";
+ // TODO: EXPERIMENT - November 8, 2018
+ // TP-Link Plug experiment
+ // final String inputPcapFile = path + "/experimental_result/standalone/tplink-plug/wlan1/tplink-plug.wlan1.local.pcap";
+ // final String inputPcapFile = path + "/experimental_result/standalone/tplink-plug/eth0/tplink-plug.eth0.local.pcap";
+ // final String inputPcapFile = path + "/experimental_result/smarthome/tplink-plug/wlan1/tplink-plug.wlan1.detection.pcap";
+ //final String inputPcapFile = path + "/experimental_result/smarthome/tplink-plug/eth0/tplink-plug.eth0.detection.pcap";
+ // TP-Link Plug DEVICE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-onSignature-device-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-offSignature-device-side.sig";
+ // final String onSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-onSignature-device-side-outbound.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-offSignature-device-side-outbound.sig";
+ // TP-Link Plug PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/tplink-plug/signatures/tplink-plug-offSignature-phone-side.sig";
+
+ // Arlo camera experiment
+ // final String inputPcapFile = path + "/training/arlo-camera/wlan1/arlo-camera.wlan1.local.pcap";
+ //// // TP-Link Plug DEVICE signatures
+ // final String onSignatureFile = path + "/training/arlo-camera/signatures/arlo-camera-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/training/arlo-camera/signatures/arlo-camera-offSignature-phone-side.sig";
+ // TODO: EXPERIMENT - November 13, 2018
+ // Arlo Camera experiment
+ // final String inputPcapFile = path + "/experimental_result/standalone/arlo-camera/wlan1/arlo-camera.wlan1.local.pcap";
+ // final String inputPcapFile = path + "/experimental_result/standalone/arlo-camera/eth0/arlo-camera.eth0.local.pcap";
+ // final String inputPcapFile = path + "/experimental_result/smarthome/arlo-camera/wlan1/arlo-camera.wlan1.detection.pcap";
+ // final String inputPcapFile = path + "/experimental_result/smarthome/arlo-camera/eth0/arlo-camera.eth0.detection.pcap";
+ // final String inputPcapFile = path + "/training/arlo-camera/eth0/arlo-camera.eth0.local.pcap";
+ // Arlo Camera PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/arlo-camera/signatures/arlo-camera-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/arlo-camera/signatures/arlo-camera-offSignature-phone-side.sig";
+
+ // Amazon Alexa experiment
+ // final String inputPcapFile = path + "/training/amazon-alexa/wlan1/alexa2.wlan1.local.pcap";
+ // // TP-Link Plug DEVICE signatures
+ // final String onSignatureFile = path + "/training/amazon-alexa/signatures/amazon-alexa-onSignature-device-side.sig";
+ // final String offSignatureFile = path + "/training/amazon-alexa/signatures/amazon-alexa-offSignature-device-side.sig";
+
+ // SmartThings Plug experiment
+ // final String inputPcapFile = path + "/training/st-plug/wlan1/st-plug.wlan1.local.pcap";
+ // // SmartThings Plug DEVICE signatures
+ // //final String onSignatureFile = path + "/training/st-plug/signatures/st-plug-onSignature-device-side.sig";
+ // //final String offSignatureFile = path + "/training/st-plug/signatures/st-plug-offSignature-device-side.sig";
+ // // SmartThings Plug PHONE signatures
+ // final String onSignatureFile = path + "/training/st-plug/signatures/st-plug-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/training/st-plug/signatures/st-plug-offSignature-phone-side.sig";
+ // TODO: EXPERIMENT - November 12, 2018
+ // SmartThings Plug experiment
+ // final String inputPcapFile = path + "/experimental_result/standalone/st-plug/wlan1/st-plug.wlan1.local.pcap";
+ // final String inputPcapFile = path + "/experimental_result/standalone/st-plug/eth0/st-plug.eth0.local.pcap";
+ // //final String inputPcapFile = path + "/experimental_result/smarthome/st-plug/wlan1/st-plug.wlan1.detection.pcap";
+ // final String inputPcapFile = path + "/experimental_result/smarthome/st-plug/eth0/st-plug.eth0.detection.pcap";
+ // // SmartThings Plug PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/st-plug/signatures/st-plug-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/st-plug/signatures/st-plug-offSignature-phone-side.sig";
+ // final String onSignatureFile = path + "/training/signatures/st-plug/st-plug-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/training/signatures/st-plug/st-plug-offSignature-phone-side.sig";
+
+ // TODO: EXPERIMENT - January 9, 2018
+ // Blossom Sprinkler experiment
+ // final String inputPcapFile = path + "/experimental_result/standalone/blossom-sprinkler/wlan1/blossom-sprinkler.wlan1.local.pcap";
-// final String onSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-device-side.sig";
-// final String offSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-device-side.sig";
++ final String inputPcapFile = path + "/experimental_result/smarthome/blossom-sprinkler/eth0/blossom-sprinkler.eth0.detection.pcap";
++// final String inputPcapFile = path + "/experimental_result/smarthome/blossom-sprinkler/wlan1/blossom-sprinkler.wlan1.detection.pcap";
+ // Blossom Sprinkler DEVICE signatures
- final String onSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-phone-side.sig";
- final String offSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-phone-side.sig";
++ final String onSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-device-side.sig";
++ final String offSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-device-side.sig";
+ // Blossom Sprinkler PHONE signatures
- SignatureDetector onDetector = new SignatureDetector(onSignature, null);
- SignatureDetector offDetector = new SignatureDetector(offSignature, null);
++// final String onSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-phone-side.sig";
++// final String offSignatureFile = path + "/experimental_result/standalone/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-phone-side.sig";
+
+ // LiFX Bulb experiment
+ // final String inputPcapFile = path + "/training/lifx-bulb/wlan1/lifx-bulb.wlan1.local.pcap";
+ // // LiFX Bulb DEVICE signatures
+ // final String onSignatureFile = path + "/training/lifx-bulb/signatures/lifx-bulb-onSignature-device-side.sig";
+ // final String offSignatureFile = path + "/training/lifx-bulb/signatures/lifx-bulb-offSignature-device-side.sig";
+ // LiFX Bulb PHONE signatures
+ // final String onSignatureFile = path + "/training/lifx-bulb/signatures/lifx-bulb-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/training/lifx-bulb/signatures/lifx-bulb-offSignature-phone-side.sig";
+
+ // Blossom Sprinkler experiment
+ // //final String inputPcapFile = path + "/training/blossom-sprinkler/wlan1/blossom-sprinkler.wlan1.local.pcap";
+ // final String inputPcapFile = path + "/2018-08/blossom/blossom.wlan1.local.pcap";
+ // //final String inputPcapFile = path + "/training/blossom-sprinkler/eth0/blossom-sprinkler.eth0.local.pcap";
+ // // Blossom Sprinkler DEVICE signatures
+ // final String onSignatureFile = path + "/training/blossom-sprinkler/signatures/blossom-sprinkler-onSignature-device-side.sig";
+ // final String offSignatureFile = path + "/training/blossom-sprinkler/signatures/blossom-sprinkler-offSignature-device-side.sig";
+
+ // Nest Thermostat experiment
+ // final String inputPcapFile = path + "/training/nest-thermostat/wlan1/nest-thermostat.wlan1.local.pcap";
+ // // Nest Thermostat DEVICE signatures
+ //// final String onSignatureFile = path + "/training/nest-thermostat/signatures/nest-thermostat-onSignature-device-side.sig";
+ //// final String offSignatureFile = path + "/training/nest-thermostat/signatures/nest-thermostat-offSignature-device-side.sig";
+ // // Nest Thermostat PHONE signatures
+ // final String onSignatureFile = path + "/training/nest-thermostat/signatures/nest-thermostat-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/training/nest-thermostat/signatures/nest-thermostat-offSignature-phone-side.sig";
+ // TODO: EXPERIMENT - November 15, 2018
+ // Nest Thermostat experiment
+ // final String inputPcapFile = path + "/experimental_result/standalone/nest-thermostat/wlan1/nest-thermostat.wlan1.local.pcap";
+ //// final String inputPcapFile = path + "/experimental_result/standalone/nest-thermostat/eth0/nest-thermostat.eth0.local.pcap";
+ //// final String inputPcapFile = path + "/experimental_result/smarthome/nest-thermostat/wlan1/nest-thermostat.wlan1.detection.pcap";
+ // final String inputPcapFile = path + "/experimental_result/smarthome/nest-thermostat/eth0/nest-thermostat.eth0.detection.pcap";
+ //// // Nest Thermostat PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/nest-thermostat/signatures/nest-thermostat-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/nest-thermostat/signatures/nest-thermostat-offSignature-phone-side.sig";
+
+ /*
+ // Hue Bulb experiment
+ final String inputPcapFile = path + "/training/hue-bulb/wlan1/hue-bulb.wlan1.local.pcap";
+ // Hue Bulb PHONE signatures
+ final String onSignatureFile = path + "/training/hue-bulb/signatures/hue-bulb-onSignature-phone-side.sig";
+ final String offSignatureFile = path + "/training/hue-bulb/signatures/hue-bulb-offSignature-phone-side.sig";
+ */
+
+
+
+ // TP-Link Bulb experiment
+ // final String inputPcapFile = path + "/training/tplink-bulb/wlan1/tplink-bulb.wlan1.local.pcap";
+ // // TP-Link Bulb PHONE signatures
+ // final String onSignatureFile = path + "/training/tplink-bulb/signatures/tplink-bulb-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/training/tplink-bulb/signatures/tplink-bulb-offSignature-phone-side.sig";
+ // TODO: EXPERIMENT - November 16, 2018
+ // TP-Link Bulb experiment
+ // final String inputPcapFile = path + "/experimental_result/standalone/tplink-bulb/wlan1/tplink-bulb.wlan1.local.pcap";
+ // final String inputPcapFile = path + "/experimental_result/standalone/tplink-bulb/eth0/tplink-bulb.eth0.local.pcap";
+ // final String inputPcapFile = path + "/experimental_result/smarthome/tplink-bulb/wlan1/tplink-bulb.wlan1.detection.pcap";
+ //// final String inputPcapFile = path + "/experimental_result/smarthome/tplink-bulb/eth0/tplink-bulb.eth0.detection.pcap";
+ // // TP-Link Bulb PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/tplink-bulb/signatures/tplink-bulb-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/tplink-bulb/signatures/tplink-bulb-offSignature-phone-side.sig";
+
+ /*
+ // WeMo Plug experiment
+ final String inputPcapFile = path + "/training/wemo-plug/wlan1/wemo-plug.wlan1.local.pcap";
+ // WeMo Plug PHONE signatures
+ final String onSignatureFile = path + "/training/wemo-plug/signatures/wemo-plug-onSignature-device-side.sig";
+ final String offSignatureFile = path + "/training/wemo-plug/signatures/wemo-plug-offSignature-device-side.sig";
+ */
+ // TODO: EXPERIMENT - November 20, 2018
+ // WeMo Plug experiment
+ // final String inputPcapFile = path + "/experimental_result/standalone/wemo-plug/wlan1/wemo-plug.wlan1.local.pcap";
+ // final String inputPcapFile = path + "/experimental_result/standalone/wemo-plug/eth0/wemo-plug.eth0.local.pcap";
+ // TODO: WE HAVE 4 ADDITIONAL EVENTS (TRIGGERED MANUALLY), SO WE JUST IGNORE THEM BECAUSE THEY HAPPENED BEFORE
+ // TODO: THE ACTUAL TRIGGERS
+ // final String inputPcapFile = path + "/experimental_result/smarthome/wemo-plug/wlan1/wemo-plug.wlan1.detection.pcap";
+ //// final String inputPcapFile = path + "/experimental_result/smarthome/wemo-plug/eth0/wemo-plug.eth0.detection.pcap";
+ // // WeMo Plug PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/wemo-plug/signatures/wemo-plug-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/wemo-plug/signatures/wemo-plug-offSignature-phone-side.sig";
+
+ /*
+ // WeMo Insight Plug experiment
+ final String inputPcapFile = path + "/training/wemo-insight-plug/wlan1/wemo-insight-plug.wlan1.local.pcap";
+ // WeMo Insight Plug PHONE signatures
+ final String onSignatureFile = path + "/training/wemo-insight-plug/signatures/wemo-insight-plug-onSignature-device-side.sig";
+ final String offSignatureFile = path + "/training/wemo-insight-plug/signatures/wemo-insight-plug-offSignature-device-side.sig";
+ */
+ // TODO: EXPERIMENT - November 21, 2018
+ // WeMo Insight Plug experiment
+ // final String inputPcapFile = path + "/experimental_result/standalone/wemo-insight-plug/wlan1/wemo-insight-plug.wlan1.local.pcap";
+ // final String inputPcapFile = path + "/experimental_result/standalone/wemo-insight-plug/eth0/wemo-insight-plug.eth0.local.pcap";
+ // TODO: WE HAVE 1 ADDITIONAL EVENT (FROM WEMO PLUG)
+ // final String inputPcapFile = path + "/experimental_result/smarthome/wemo-insight-plug/wlan1/wemo-insight-plug.wlan1.detection.pcap";
+ // final String inputPcapFile = path + "/experimental_result/smarthome/wemo-insight-plug/eth0/wemo-insight-plug.eth0.detection.pcap";
+ // WeMo Insight Plug PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/wemo-insight-plug/signatures/wemo-insight-plug-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/wemo-insight-plug/signatures/wemo-insight-plug-offSignature-phone-side.sig";
+
+
+ // Kwikset Doorlock Sep 12 experiment
+ // final String inputPcapFile = path + "/2018-08/kwikset-doorlock/kwikset3.wlan1.local.pcap";
+ // // Kwikset Doorlock PHONE signatures
+ // final String onSignatureFile = path + "/2018-08/kwikset-doorlock/onSignature-Kwikset-Doorlock-phone.sig";
+ // final String offSignatureFile = path + "/2018-08/kwikset-doorlock/offSignature-Kwikset-Doorlock-phone.sig";
+ // TODO: EXPERIMENT - November 10, 2018
+ // Kwikset Door lock experiment
+ // final String inputPcapFile = path + "/experimental_result/standalone/kwikset-doorlock/wlan1/kwikset-doorlock.wlan1.local.pcap";
+ // //final String inputPcapFile = path + "/experimental_result/smarthome/kwikset-doorlock/wlan1/kwikset-doorlock.wlan1.detection.pcap";
+ // final String inputPcapFile = path + "/experimental_result/smarthome/kwikset-doorlock/eth0/kwikset-doorlock.eth0.detection.pcap";
+ //// // Kwikset Door lock PHONE signatures
+ // final String onSignatureFile = path + "/experimental_result/standalone/kwikset-doorlock/signatures/kwikset-doorlock-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/experimental_result/standalone/kwikset-doorlock/signatures/kwikset-doorlock-offSignature-phone-side.sig";
+ // final String onSignatureFile = path + "/training/signatures/kwikset-doorlock/kwikset-doorlock-onSignature-phone-side.sig";
+ // final String offSignatureFile = path + "/training/signatures/kwikset-doorlock/kwikset-doorlock-offSignature-phone-side.sig";
+
+
+
+ // D-Link Siren experiment
+ // final String inputPcapFile = path + "/2018-08/dlink-siren/dlink-siren.wlan1.local.pcap";
+ // D-Link Siren DEVICE signatures
+ //final String onSignatureFile = path + "/2018-08/dlink-siren/onSignature-DLink-Siren-device.sig";
+ //final String offSignatureFile = path + "/2018-08/dlink-siren/offSignature-DLink-Siren-device.sig";
+ // D-Link Siren PHONE signatures
+ // final String onSignatureFile = path + "/2018-08/dlink-siren/onSignature-DLink-Siren-phone.sig";
+ // final String offSignatureFile = path + "/2018-08/dlink-siren/offSignature-DLink-Siren-phone.sig";
+
+
+ // Output file names used (to make it easy to catch if one forgets to change them)
+ System.out.println("ON signature file in use is " + onSignatureFile);
+ System.out.println("OFF signature file in use is " + offSignatureFile);
+ System.out.println("PCAP file that is the target of detection is " + inputPcapFile);
+
+ List<List<List<PcapPacket>>> onSignature = PrintUtils.deserializeSignatureFromFile(onSignatureFile);
+ List<List<List<PcapPacket>>> offSignature = PrintUtils.deserializeSignatureFromFile(offSignatureFile);
+
+ // LAN
-// SignatureDetector onDetector = new SignatureDetector(onSignature, "128.195.205.105");
-// SignatureDetector offDetector = new SignatureDetector(offSignature, "128.195.205.105");
++// SignatureDetector onDetector = new SignatureDetector(onSignature, null);
++// SignatureDetector offDetector = new SignatureDetector(offSignature, null);
+ // WAN
++ SignatureDetector onDetector = new SignatureDetector(onSignature, "128.195.205.105");
++ SignatureDetector offDetector = new SignatureDetector(offSignature, "128.195.205.105");
+
+ final DateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofLocalizedDateTime(FormatStyle.MEDIUM).
+ withLocale(Locale.US).withZone(ZoneId.of("America/Los_Angeles"));
+
+ // Outputs information about a detected event to std.out
+ final Consumer<UserAction> outputter = ua -> {
+ String eventDescription;
+ switch (ua.getType()) {
+ case TOGGLE_ON:
+ eventDescription = "ON";
+ break;
+ case TOGGLE_OFF:
+ eventDescription = "OFF";
+ break;
+ default:
+ throw new AssertionError("unhandled event type");
+ }
+ //String output = String.format("[ !!! %s SIGNATURE DETECTED at %s !!! ]",
+ // eventDescription, dateTimeFormatter.format(ua.getTimestamp()));
+ String output = String.format("%s",
+ dateTimeFormatter.format(ua.getTimestamp()));
+ System.out.println(output);
+ };
+
+ // Let's create observers that construct a UserAction representing the detected event.
+ final List<UserAction> detectedEvents = new ArrayList<>();
+ onDetector.addObserver((searched, match) -> {
+ PcapPacket firstPkt = match.get(0).get(0);
+ detectedEvents.add(new UserAction(UserAction.Type.TOGGLE_ON, firstPkt.getTimestamp()));
+ });
+ offDetector.addObserver((searched, match) -> {
+ PcapPacket firstPkt = match.get(0).get(0);
+ detectedEvents.add(new UserAction(UserAction.Type.TOGGLE_OFF, firstPkt.getTimestamp()));
+ });
+
+ PcapHandle handle;
+ try {
+ handle = Pcaps.openOffline(inputPcapFile, PcapHandle.TimestampPrecision.NANO);
+ } catch (PcapNativeException pne) {
+ handle = Pcaps.openOffline(inputPcapFile);
+ }
+ PcapHandleReader reader = new PcapHandleReader(handle, p -> true, onDetector, offDetector);
+ reader.readFromHandle();
+
+ // TODO: need a better way of triggering detection than this...
+ onDetector.mClusterMatchers.forEach(cm -> cm.performDetection());
+ offDetector.mClusterMatchers.forEach(cm -> cm.performDetection());
+
+ // Sort the list of detected events by timestamp to make it easier to compare it line-by-line with the trigger
+ // times file.
+ Collections.sort(detectedEvents, Comparator.comparing(UserAction::getTimestamp));
+
+ // Output the detected events
+ detectedEvents.forEach(outputter);
+
+ System.out.println("Number of detected events of type " + UserAction.Type.TOGGLE_ON + ": " +
+ detectedEvents.stream().filter(ua -> ua.getType() == UserAction.Type.TOGGLE_ON).count());
+ System.out.println("Number of detected events of type " + UserAction.Type.TOGGLE_OFF + ": " +
+ detectedEvents.stream().filter(ua -> ua.getType() == UserAction.Type.TOGGLE_OFF).count());
+
+
+ // TODO: Temporary clean up until we clean the pipeline
+ // List<UserAction> cleanedDetectedEvents = SignatureDetector.removeDuplicates(detectedEvents);
+ // cleanedDetectedEvents.forEach(outputter);
+ }
+
+ /**
+ * The signature that this {@link SignatureDetector} is searching for.
+ */
+ private final List<List<List<PcapPacket>>> mSignature;
+
+ /**
+ * The {@link Layer3ClusterMatcher}s in charge of detecting each individual sequence of packets that together make up the
+ * the signature.
+ */
+ private final List<Layer3ClusterMatcher> mClusterMatchers;
+
+ /**
+ * For each {@code i} ({@code i >= 0 && i < pendingMatches.length}), {@code pendingMatches[i]} holds the matches
+ * found by the {@link Layer3ClusterMatcher} at {@code mClusterMatchers.get(i)} that have yet to be "consumed", i.e.,
+ * have yet to be included in a signature detected by this {@link SignatureDetector} (a signature can be encompassed
+ * of multiple packet sequences occurring shortly after one another on multiple connections).
+ */
+ private final List<List<PcapPacket>>[] pendingMatches;
+
+ /**
+ * Maps a {@link Layer3ClusterMatcher} to its corresponding index in {@link #pendingMatches}.
+ */
+ private final Map<Layer3ClusterMatcher, Integer> mClusterMatcherIds;
+
+ private final List<SignatureDetectionObserver> mObservers = new ArrayList<>();
+
+ /**
+ * Remove duplicates in {@code List} of {@code UserAction} objects. We need to clean this up for user actions
+ * that appear multiple times.
+ * TODO: This static method is probably just for temporary and we could get rid of this after we clean up
+ * TODO: the pipeline
+ *
+ * @param listUserAction A {@link List} of {@code UserAction}.
+ *
+ */
+ public static List<UserAction> removeDuplicates(List<UserAction> listUserAction) {
+
+ // Iterate and check for duplicates (check timestamps)
+ Set<Long> epochSecondSet = new HashSet<>();
+ // Create a target list for cleaned up list
+ List<UserAction> listUserActionClean = new ArrayList<>();
+ for(UserAction userAction : listUserAction) {
+ // Don't insert if any duplicate is found
+ if(!epochSecondSet.contains(userAction.getTimestamp().getEpochSecond())) {
+ listUserActionClean.add(userAction);
+ epochSecondSet.add(userAction.getTimestamp().getEpochSecond());
+ }
+ }
+ return listUserActionClean;
+ }
+
+ public SignatureDetector(List<List<List<PcapPacket>>> searchedSignature, String routerWanIp) {
+ // note: doesn't protect inner lists from changes :'(
+ mSignature = Collections.unmodifiableList(searchedSignature);
+ // Generate corresponding/appropriate ClusterMatchers based on the provided signature
+ List<Layer3ClusterMatcher> clusterMatchers = new ArrayList<>();
+ for (List<List<PcapPacket>> cluster : mSignature) {
+ clusterMatchers.add(new Layer3ClusterMatcher(cluster, routerWanIp, this));
+ }
+ mClusterMatchers = Collections.unmodifiableList(clusterMatchers);
+
+ // < exploratory >
+ pendingMatches = new List[mClusterMatchers.size()];
+ for (int i = 0; i < pendingMatches.length; i++) {
+ pendingMatches[i] = new ArrayList<>();
+ }
+ Map<Layer3ClusterMatcher, Integer> clusterMatcherIds = new HashMap<>();
+ for (int i = 0; i < mClusterMatchers.size(); i++) {
+ clusterMatcherIds.put(mClusterMatchers.get(i), i);
+ }
+ mClusterMatcherIds = Collections.unmodifiableMap(clusterMatcherIds);
+ }
+
+ public void addObserver(SignatureDetectionObserver observer) {
+ mObservers.add(observer);
+ }
+
+ public boolean removeObserver(SignatureDetectionObserver observer) {
+ return mObservers.remove(observer);
+ }
+
+ @Override
+ public void gotPacket(PcapPacket packet) {
+ // simply delegate packet reception to all ClusterMatchers.
+ mClusterMatchers.forEach(cm -> cm.gotPacket(packet));
+ }
+
+ @Override
+ public void onMatch(Layer3ClusterMatcher clusterMatcher, List<PcapPacket> match) {
+ // Add the match at the corresponding index
+ pendingMatches[mClusterMatcherIds.get(clusterMatcher)].add(match);
+ checkSignatureMatch();
+ }
+
+ private void checkSignatureMatch() {
+ // << Graph-based approach using Balint's idea. >>
+ // This implementation assumes that the packets in the inner lists (the sequences) are ordered by asc timestamp.
+
+ // There cannot be a signature match until each Layer3ClusterMatcher has found a match of its respective sequence.
+ if (Arrays.stream(pendingMatches).noneMatch(l -> l.isEmpty())) {
+ // Construct the DAG
+ final SimpleDirectedWeightedGraph<Vertex, DefaultWeightedEdge> graph =
+ new SimpleDirectedWeightedGraph<>(DefaultWeightedEdge.class);
+ // Add a vertex for each match found by all ClusterMatchers
+ // And maintain an array to keep track of what cluster matcher each vertex corresponds to
+ final List<Vertex>[] vertices = new List[pendingMatches.length];
+ for (int i = 0; i < pendingMatches.length; i++) {
+ vertices[i] = new ArrayList<>();
+ for (List<PcapPacket> sequence : pendingMatches[i]) {
+ Vertex v = new Vertex(sequence);
+ vertices[i].add(v); // retain reference for later when we are to add edges
+ graph.addVertex(v); // add to vertex to graph
+ }
+ }
+ // Add dummy source and sink vertices to facilitate search.
+ final Vertex source = new Vertex(null);
+ final Vertex sink = new Vertex(null);
+ graph.addVertex(source);
+ graph.addVertex(sink);
+ // The source is connected to all vertices that wrap the sequences detected by Layer3ClusterMatcher at index 0.
+ // Note: zero cost edges as this is just a dummy link to facilitate search from a common start node.
+ for (Vertex v : vertices[0]) {
+ DefaultWeightedEdge edge = graph.addEdge(source, v);
+ graph.setEdgeWeight(edge, 0.0);
+ }
+ // Similarly, all vertices that wrap the sequences detected by the last Layer3ClusterMatcher of the signature
+ // are connected to the sink node.
+ for (Vertex v : vertices[vertices.length-1]) {
+ DefaultWeightedEdge edge = graph.addEdge(v, sink);
+ graph.setEdgeWeight(edge, 0.0);
+ }
+ // Now link sequences detected by Layer3ClusterMatcher at index i to sequences detected by Layer3ClusterMatcher at index
+ // i+1 if they obey the timestamp constraint (i.e., that the latter is later in time than the former).
+ for (int i = 0; i < vertices.length; i++) {
+ int j = i + 1;
+ if (j < vertices.length) {
+ for (Vertex iv : vertices[i]) {
+ PcapPacket ivLast = iv.sequence.get(iv.sequence.size()-1);
+ for (Vertex jv : vertices[j]) {
+ PcapPacket jvFirst = jv.sequence.get(jv.sequence.size()-1);
+ if (ivLast.getTimestamp().isBefore(jvFirst.getTimestamp())) {
+ DefaultWeightedEdge edge = graph.addEdge(iv, jv);
+ // The weight is the duration of the i'th sequence plus the duration between the i'th
+ // and i+1'th sequence.
+ Duration d = Duration.
+ between(iv.sequence.get(0).getTimestamp(), jvFirst.getTimestamp());
+ // Unfortunately weights are double values, so must convert from long to double.
+ // TODO: need nano second precision? If so, use d.toNanos().
+ // TODO: risk of overflow when converting from long to double..?
+ graph.setEdgeWeight(edge, Long.valueOf(d.toMillis()).doubleValue());
+ }
+ // Alternative version if we cannot assume that sequences are ordered by timestamp:
+ // if (iv.sequence.stream().max(Comparator.comparing(PcapPacket::getTimestamp)).get()
+ // .getTimestamp().isBefore(jv.sequence.stream().min(
+ // Comparator.comparing(PcapPacket::getTimestamp)).get().getTimestamp())) {
+ //
+ // }
+ }
+ }
+ }
+ }
+ // Graph construction complete, run shortest-path to find a (potential) signature match.
+ DijkstraShortestPath<Vertex, DefaultWeightedEdge> dijkstra = new DijkstraShortestPath<>(graph);
+ GraphPath<Vertex, DefaultWeightedEdge> shortestPath = dijkstra.getPath(source, sink);
+ if (shortestPath != null) {
+ // The total weight is the duration between the first packet of the first sequence and the last packet
+ // of the last sequence, so we simply have to compare the weight against the timeframe that we allow
+ // the signature to span. For now we just use the inclusion window we defined for training purposes.
+ // Note however, that we must convert back from double to long as the weight is stored as a double in
+ // JGraphT's API.
+ if (((long)shortestPath.getWeight()) < TriggerTrafficExtractor.INCLUSION_WINDOW_MILLIS) {
+ // There's a signature match!
+ // Extract the match from the vertices
+ List<List<PcapPacket>> signatureMatch = new ArrayList<>();
+ for(Vertex v : shortestPath.getVertexList()) {
+ if (v == source || v == sink) {
+ // Skip the dummy source and sink nodes.
+ continue;
+ }
+ signatureMatch.add(v.sequence);
+ // As there is a one-to-one correspondence between vertices[] and pendingMatches[], we know that
+ // the sequence we've "consumed" for index i of the matched signature is also at index i in
+ // pendingMatches. We must remove it from pendingMatches so that we don't use it to construct
+ // another signature match in a later call.
+ pendingMatches[signatureMatch.size()-1].remove(v.sequence);
+ }
+ // Declare success: notify observers
+ mObservers.forEach(obs -> obs.onSignatureDetected(mSignature,
+ Collections.unmodifiableList(signatureMatch)));
+ }
+ }
+ }
+ }
+
+ /**
+ * Used for registering for notifications of signatures detected by a {@link SignatureDetector}.
+ */
+ interface SignatureDetectionObserver {
+
+ /**
+ * Invoked when the {@link SignatureDetector} detects the presence of a signature in the traffic that it's
+ * examining.
+ * @param searchedSignature The signature that the {@link SignatureDetector} reporting the match is searching
+ * for.
+ * @param matchingTraffic The actual traffic trace that matches the searched signature.
+ */
+ void onSignatureDetected(List<List<List<PcapPacket>>> searchedSignature,
+ List<List<PcapPacket>> matchingTraffic);
+ }
+
+ /**
+ * Encapsulates a {@code List<PcapPacket>} so as to allow the list to be used as a vertex in a graph while avoiding
+ * the expensive {@link AbstractList#equals(Object)} calls when adding vertices to the graph.
+ * Using this wrapper makes the incurred {@code equals(Object)} calls delegate to {@link Object#equals(Object)}
+ * instead of {@link AbstractList#equals(Object)}. The net effect is a faster implementation, but the graph will not
+ * recognize two lists that contain the same items--from a value and not reference point of view--as the same
+ * vertex. However, this is fine for our purposes -- in fact restricting it to reference equality seems more
+ * appropriate.
+ */
+ private static class Vertex {
+ private final List<PcapPacket> sequence;
+ private Vertex(List<PcapPacket> wrappedSequence) {
+ sequence = wrappedSequence;
+ }
+ }
+ }
projects / pingpong.git / commitdiff