public static void main(String[] args) throws PcapNativeException, NotOpenException, EOFException, TimeoutException, UnknownHostException {
// -------------------------------------------------------------------------------------------------------------
// ------------ # Code for extracting traffic generated by a device within x seconds of a trigger # ------------
- // Paths to input and output files (consider supplying these as arguments instead)
- 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";
- // IP of the device for which traffic is to be extracted
- final String deviceIp = "192.168.1.159";
+ // 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);
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");
// -------------------------------------------------------------------------------------------------------------
// -------------------------------------------------------------------------------------------------------------
}
return result;
}
+ public static Map<String, Map<String, Integer>> countPacketPairFrequenciesByHostname(Collection<Conversation> tcpConversations, DnsMap ipHostnameMappings) {
+ Map<String, List<Conversation>> convsByHostname = groupConversationsByHostname(tcpConversations, ipHostnameMappings);
+ HashMap<String, Map<String, Integer>> result = new HashMap<>();
+ for (Map.Entry<String, List<Conversation>> entry : convsByHostname.entrySet()) {
+ // Merge all packet pairs exchanged during the course of all conversations with hostname into one list
+ List<PcapPacketPair> allPairsExchangedWithHostname = new ArrayList<>();
+ entry.getValue().forEach(conversation -> allPairsExchangedWithHostname.addAll(extractPacketPairs(conversation)));
+ // Then count the frequencies of packet pairs exchanged with the hostname, irrespective of individual
+ // conversations
+ result.put(entry.getKey(), countPacketPairFrequencies(allPairsExchangedWithHostname));
+ }
+ return result;
+ }
}