Beispiel #1
0
  @Override
  public void nextPacket(JPacket packet, StringBuilder errbuf) {

    String source = "";
    String destination = "";
    String printResult = "";

    try {
      packet.getHeader(ipv4);
      if (!(ipv4.source()).equals(null)) {
        source = FormatUtils.ip(ipv4.source());
      }
      if (!(ipv4.destination()).equals(null)) {
        destination = FormatUtils.ip(ipv4.destination());
      }
      // textPane1.setText(textPane1.getText() + "> Source ip = " + source + ";  Destination ip = "
      // + destination + "\n");
      printResult = "> Source ip = " + source + ";  Destination ip = " + destination + "\n";
    } catch (Exception e) {
      printResult = printResult + "!!! Exception ip IP Addr > " + e.getCause() + "\n";
      textPane1.append(printResult);
      // textPane1.setCaretPosition(textPane1.getDocument().getLength());
    }

    if (packet.hasHeader(Sip.ID)) {
      packet.getHeader(sip1);
      printResult = printResult + "> sip1.getMethod().name() = " + sip1.getMethod().name() + "\n";
    }

    if (packet.hasHeader(Rtp.ID)) {
      packet.getHeader(rtp1);
      printResult =
          printResult
              + "> rtp1.csrcLength() = "
              + rtp1.csrcLength()
              + ";  rtp1.csrc() = "
              + rtp1.csrc()
              + "; rtp1.ssrc()"
              + rtp1.ssrc()
              + "\n";
    }

    /*
            if (packet.hasHeader(Tcp.ID)) {
                packet.getHeader(tcp);
                printResult = printResult + "> tcp.dst_port = " + tcp.destination() + "; tcp.src_port = " + tcp.source() + "; tcp.ack = " + tcp.ack()  + "\n";
            }
            if (packet.hasHeader(Udp.ID)) {
                packet.getHeader(udp1);
                printResult = printResult + "> udp.dst_port = " + udp1.destination() + "; udp.src_port = " + udp1.source()  + "\n";
            }
    */
    textPane1.append(printResult + "Frame " + packet.getFrameNumber() + " \n");
    // textPane1.setCaretPosition(textPane1.getDocument().getLength());
  }
  /**
   * Test sub header access.
   *
   * @throws IOException Signals that an I/O exception has occurred.
   */
  public void testSubHeaderAccess() throws IOException {
    Ip4 ip = new Ip4();
    Ip4.Timestamp ts = new Ip4.Timestamp();
    Ip4.LooseSourceRoute lsroute = new Ip4.LooseSourceRoute();
    Ip4.StrictSourceRoute ssroute = new Ip4.StrictSourceRoute();
    Ip4.RecordRoute record = new Ip4.RecordRoute();

    JPacket packet = TestUtils.getPcapPacket("tests/test-icmp-recordroute-opt.pcap", 0);

    JFormatter out = new TextFormatter();
    out.format(packet);

    assertNotNull(packet);
    assertTrue(packet.hasHeader(ip));
    assertTrue(ip.hasSubHeaders());
    assertFalse(ip.hasSubHeader(lsroute));
    assertFalse(ip.hasSubHeader(ssroute));
    assertFalse(ip.hasSubHeader(ts));

    assertTrue(ip.hasSubHeader(record));
    assertEquals(9, record.addressCount());

    byte[] b = record.address(0);
    assertNotNull(b);
    assertEquals(4, b.length);
    assertEquals(-64, b[0]); // 192 in unsinged int
    assertEquals(-88, b[1]); // 168 in unsigned int
    assertEquals(1, b[2]); // 1
    assertEquals(13, b[3]); // 13

    assertNotNull(packet);
    assertTrue(packet.hasHeader(ip));
    assertTrue(ip.hasSubHeaders());
    assertFalse(ip.hasSubHeader(lsroute));
    assertFalse(ip.hasSubHeader(ssroute));
    assertFalse(ip.hasSubHeader(ts));

    assertTrue(ip.hasSubHeader(record));
    assertEquals(9, record.addressCount());

    /*
     * Now do it a second time without resetting the packet
     */
    b = record.address(0);
    assertNotNull(b);
    assertEquals(4, b.length);
    assertEquals(-64, b[0]); // 192 in unsinged int
    assertEquals(-88, b[1]); // 168 in unsigned int
    assertEquals(1, b[2]); // 1
    assertEquals(13, b[3]); // 13
  }
  /** Test syntax text. */
  public void testSyntaxText() {
    Ip4 ip = new Ip4();
    Ip4.Timestamp ts = new Ip4.Timestamp();
    Ip4.LooseSourceRoute lsroute = new Ip4.LooseSourceRoute();
    Ip4.StrictSourceRoute ssroute = new Ip4.StrictSourceRoute();
    Ip4.RecordRoute record = new Ip4.RecordRoute();

    JPacket packet = TestUtils.getPcapPacket("tests/test-icmp-recordroute-opt.pcap", 0);

    if (packet.hasHeader(ip) && ip.hasSubHeaders()) {

      if (ip.hasSubHeader(lsroute)) {
        System.out.println("LooseSource");
      }

      if (ip.hasSubHeader(ssroute)) {
        System.out.println("StrictSource");
      }

      if (ip.hasSubHeader(ts)) {
        System.out.println("Timestamp");
      }

      if (ip.hasSubHeader(record)) {
        System.out.println("RecordRoute");
      }
    }
  }
Beispiel #4
0
  /**
   * Handles the packet specified, and forward packet to the responsible chained handler once done.
   * In this case, the handler parses the packet and creates a <code>GOOSEMessage</code>
   *
   * @param packet the packet to parse to create the <code>GOOSEMessage</code>
   */
  @Override
  public void handlePacket(JPacket packet) {
    Ethernet ethernetHeader = new Ethernet();
    if (packet.hasHeader(ethernetHeader)) {
      // If it's not a 61850 message then don't handle the packet
      if (ethernetHeader.type() != GOOSEMessage.GOOSE_MSG) {
        return;
      }

      try {
        if (gooseMessage == null) {
          gooseMessage = new GOOSEMessage();
        }
        gooseMessage.init();

        // set destination and source mac
        gooseMessage.setDst(ethernetHeader.destination());
        gooseMessage.setSrc(ethernetHeader.source());

        // set ethernet type
        switch (ethernetHeader.type()) {
          case GOOSEMessage.GOOSE_MSG: // GOOSE
            gooseMessage.setMessageType(GOOSEMessage.GOOSE_MESSAGE);
            // set goose payload
            byte[] payload = ethernetHeader.getPayload();
            GOOSEMessageGoosePDU goosePDU = GOOSEMessageGoosePDU.getInstance(payload, 8);
            // GOOSEMessageGoosePDU goosePDU = GOOSEMessageGoosePDU.getInstance(
            // payload, 7 );
            gooseMessage.setAPDU(goosePDU);
            break;
          case GOOSEMessage.GSE_MGMT_MSG: // GSE
            gooseMessage.setMessageType(GOOSEMessage.GSE_MANAGEMENT_MESSAGE);
            // TODO: handle GSE management message
            break;
          case GOOSEMessage.SVM_MSG: // SVM
            gooseMessage.setMessageType(GOOSEMessage.SV_MESSAGE);
            // TODO: handle SVM message
            break;
          default: // not GOOSE traffic so ignore the frame
            gooseMessage = null;
            return;
        }
      } catch (MessageException me) {
        // TODO - write error message
        return;
      }
    }

    // chain to next handler
    if (this._handler != null) {
      this._handler.handlePacket(packet);
    }

    return;
  }