TcpConversationUtils.java and Main.java: add support for counting packet pair frequen...
[pingpong.git] / Code / Projects / SmartPlugDetector / src / main / java / edu / uci / iotproject / Main.java
index e5a685f654fab5cee1caa9ab85c04a9e68298b4f..45fea17814900d7273f94df96eee750b7cf3d774 100644 (file)
@@ -1,13 +1,14 @@
 package edu.uci.iotproject;
 
+import edu.uci.iotproject.analysis.TcpConversationUtils;
+import edu.uci.iotproject.analysis.TriggerTrafficExtractor;
+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;
 
@@ -25,19 +26,60 @@ 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";
-        final String fileName = "/home/rtrimana/pcap_processing/smart_home_traffic/Code/Projects/SmartPlugDetector/pcap/wlan1.local.dns.pcap";
-
-        // ====== Debug code ======
-        PcapHandle handle;
-        try {
-            handle = Pcaps.openOffline(fileName, PcapHandle.TimestampPrecision.NANO);
-        } catch (PcapNativeException pne) {
-            handle = Pcaps.openOffline(fileName);
-        }
-        FlowPatternFinder fpf = new FlowPatternFinder(handle, FlowPattern.TP_LINK_LOCAL_ON);
-        fpf.start();
-
-        // ========================
+        // -------------------------------------------------------------------------------------------------------------
+        // ------------ # 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:
+        // D-Link July 26 experiment
+        final String inputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/dlink/dlink.wlan1.local.pcap";
+        final String outputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/dlink/dlink-processed.pcap";
+        final String triggerTimesFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/dlink/dlink-july-26-2018.timestamps";
+        final String deviceIp = "192.168.1.246";
+        // TP-Link July 25 experiment
+//        final String inputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/tplink/tplink.wlan1.local.pcap";
+//        final String outputPcapFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/tplink/tplink-processed.pcap";
+//        final String triggerTimesFile = "/Users/varmarken/temp/UCI IoT Project/experiments/2018-07/tplink/tplink-july-25-2018.timestamps";
+//        final String deviceIp = "192.168.1.159";
+
+        TriggerTimesFileReader ttfr = new TriggerTimesFileReader();
+        List<Instant> triggerTimes = ttfr.readTriggerTimes(triggerTimesFile, false);
+        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();
+        tte.performExtraction(pkt -> {
+            try {
+                outputter.dump(pkt);
+            } catch (NotOpenException e) {
+                e.printStackTrace();
+            }
+        }, dnsMap, tcpReassembler);
+        outputter.flush();
+        outputter.close();
+
+        // 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");
+        // -------------------------------------------------------------------------------------------------------------
+        // -------------------------------------------------------------------------------------------------------------
     }
+
 }
+
+
+// TP-Link MAC 50:c7:bf:33:1f:09 and usually IP 192.168.1.159 (remember to verify per file)
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