package edu.uci.iotproject;
+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.io.TriggerTimesFileReader;
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.net.UnknownHostException;
+import java.time.Instant;
import java.util.*;
import java.util.concurrent.TimeoutException;
public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException {
- final String fileName = "/users/varmarken/Desktop/wlan1.local.dns.pcap";
- List<DnsPacket> dnsPackets = extractDnsAnswerPackets(fileName);
- Map<String, Set<String>> 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
+
+ // 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?
+
+ // 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";
+
+ // 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!)
+
+ // 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";
- /**
- * 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<DnsPacket> extractDnsAnswerPackets(String pcapFileName) throws PcapNativeException, NotOpenException, TimeoutException {
- PcapHandle handle;
- try {
- handle = Pcaps.openOffline(pcapFileName, PcapHandle.TimestampPrecision.NANO);
- } catch (PcapNativeException pne) {
- handle = Pcaps.openOffline(pcapFileName);
+ // 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";
+
+ // 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";
+
+ 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)));
}
- // Apparently BPFs don't support "dns" protocol filter, so have to filter by port.
- handle.setFilter("port 53", BpfProgram.BpfCompileMode.OPTIMIZE);
- ArrayList<DnsPacket> result = new ArrayList<>();
- 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);
- }
+ 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();
}
- } 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;
- }
+ }, dnsMap, tcpReassembler, trafficLabeler);
+ outputter.flush();
+ outputter.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 <em>reply</em> 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<String, Set<String>> constructIpToHostnameMap(List<DnsPacket> dnsPackets) throws UnknownHostException {
- HashMap<String, Set<String>> 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");
- }
- // The IP in byte representation.
- byte[] ipBytes = answer.getRData().getRawData();
- // Convert to string representation.
- String ip = Inet4Address.getByAddress(ipBytes).getHostAddress();
- HashSet<String> 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; });
- }
+ 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()));
}
- return result;
+
+ // 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");
+
+
+
+ // 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<>();
+ 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;
+ });
+ });
+ });
+
+ System.out.println("");
+
+ // -------------------------------------------------------------------------------------------------------------
+ // -------------------------------------------------------------------------------------------------------------
}
-// /**
-// * 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>();
-// }
-//
-//
-//
-//
-//
-// /**
-// * 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);
-// }
-// }
-// }
-// }
-// }
-// }
-// System.out.println();
-// }
-//// 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;
-// }*/
-//
-// // 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();
-// }
-// }
}
+
+
+// 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