public static void main(String[] args) throws PcapNativeException, NotOpenException, IOException {
// Parse required parameters.
- if (args.length < 10) {
+ if (args.length < 8) {
String errMsg = String.format("SPECTO version 1.0\n" +
"Copyright (C) 2018-2019 Janus Varmarken and Rahmadi Trimananda.\n" +
"University of California, Irvine.\n" +
"\n offSignatureFile: the file that contains the OFF signature to search for" +
"\n resultsFile: where to write the results of the detection" +
"\n signatureDuration: the maximum duration of signature detection" +
- "\n eps: the epsilon value for the DBSCAN algorithm" +
- "\n onMaxSkippedPackets: the maximum duration of ON signature detection (put -1 if not used)" +
- "\n offMaxSkippedPackets: the maximum duration of OFF signature detection (put -1 if not used)",
+ "\n eps: the epsilon value for the DBSCAN algorithm",
Layer2SignatureDetector.class.getSimpleName());
System.out.println(errMsg);
String optParamsExplained = "Above are the required, positional arguments. In addition to these, the " +
"that matches the vendor's prefix).\n" +
" '-offmacfilters <regex>;<regex>;...;<regex>' works exactly the same as onmacfilters, but " +
"applies to the OFF signature instead of the ON signature.\n" +
- " '-sout <boolean literal>' true/false literal indicating if output should also be printed to std out; default is true.";
+ " '-sout <boolean literal>' true/false literal indicating if output should also be printed to std out; default is true.\n" +
+ " '-vpn <router mac>' router's MAC address; this is to simulate a VPN that combines all flows even when the traffic is not a VPN traffic.\n" +
+ " '-onskipped <max duration of on-signature>' the maximum duration of ON signature detection.\n" +
+ " '-offskipped <max duration of off-signature>' the maximum duration of OFF signature detection.\n";
System.out.println(optParamsExplained);
return;
}
final String resultsFile = args[5];
final int signatureDuration = Integer.parseInt(args[6]);
final double eps = Double.parseDouble(args[7]);
- final int onMaxSkippedPackets = Integer.parseInt(args[8]);
- final int offMaxSkippedPackets = Integer.parseInt(args[9]);
// Parse optional parameters.
List<Function<Layer2Flow, Boolean>> onSignatureMacFilters = null, offSignatureMacFilters = null;
String vpnClientMacAddress = null;
- final int optParamsStartIdx = 7;
+ int onMaxSkippedPackets = -1;
+ int offMaxSkippedPackets = -1;
+ final int optParamsStartIdx = 8;
if (args.length > optParamsStartIdx) {
for (int i = optParamsStartIdx; i < args.length; i++) {
if (args[i].equalsIgnoreCase("-onMacFilters")) {
DUPLICATE_OUTPUT_TO_STD_OUT = Boolean.parseBoolean(args[i+1]);
} else if (args[i].equalsIgnoreCase("-vpn")) {
vpnClientMacAddress = args[i+1];
+ } else if (args[i].equalsIgnoreCase("-onskipped")) {
+ if (i+2 > args.length - 1 || !args[i+2].equalsIgnoreCase("-offskipped")) {
+ throw new Error("Please make sure that the -onskipped and -offskipped options are both used at the same time...");
+ }
+ if (args[i+2].equalsIgnoreCase("-offskipped")) {
+ onMaxSkippedPackets = Integer.parseInt(args[i+1]);
+ offMaxSkippedPackets = Integer.parseInt(args[i+3]);
+ }
}
}
}
Integer.toString(offDetector.getMaxSkippedPackets());
PrintWriterUtils.println(resultOn, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
PrintWriterUtils.println(resultOff, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
- PrintWriterUtils.println(onMaximumSkippedPackets, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
- // TODO: We do not use the feature for now because it is essentially the same as signature duration.
- //for(Integer skippedPackets : onDetector.getSkippedPackets()) {
- // PrintWriterUtils.println(skippedPackets, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
- //}
- PrintWriterUtils.println(offMaximumSkippedPackets, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
- //for(Integer skippedPackets : offDetector.getSkippedPackets()) {
- // PrintWriterUtils.println(skippedPackets, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
- //}
+ // Perform the skipped packet analysis if needed
+ if (onMaxSkippedPackets != -1 && offMaxSkippedPackets != -1) {
+ PrintWriterUtils.println(onMaximumSkippedPackets, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
+ for (Integer skippedPackets : onDetector.getSkippedPackets()) {
+ PrintWriterUtils.println(skippedPackets, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
+ }
+ PrintWriterUtils.println(offMaximumSkippedPackets, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
+ for (Integer skippedPackets : offDetector.getSkippedPackets()) {
+ PrintWriterUtils.println(skippedPackets, resultsWriter, DUPLICATE_OUTPUT_TO_STD_OUT);
+ }
+ }
// Flush output to results file and close it.
resultsWriter.flush();
resultsWriter.close();