org.pcap4j.packet.EthernetPacket Java Examples
The following examples show how to use
org.pcap4j.packet.EthernetPacket.
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Example #1
| Source File: PacketTableView.java From trex-stateless-gui with Apache License 2.0 | 6 votes |
|
/**
* Export stream to pcap file
*/
public void handleExportPcapFile() {
try {
Profile p = tabledata.getProfiles().get(streamPacketTableView.getSelectionModel().getSelectedIndex());
String packetBinary = p.getStream().getPacket().getBinary();
byte[] pkt = Base64.decodeBase64(packetBinary);
Packet packet = EthernetPacket.newPacket(pkt, 0, pkt.length);
File pcapFile = File.createTempFile("temp-file-name", ".pcap");
PcapHandle handle = Pcaps.openDead(DataLinkType.EN10MB, 65536);
PcapDumper dumper = handle.dumpOpen(pcapFile.getAbsolutePath());
Timestamp ts = new Timestamp(0);
dumper.dump(packet, ts);
dumper.close();
handle.close();
String fileName = p.getName() + ".pcap";
Window owner = streamPacketTableView.getScene().getWindow();
FileManager.exportFile("Save Pcap File", fileName, pcapFile, owner, FileType.PCAP);
} catch (IllegalRawDataException | IOException | PcapNativeException | NotOpenException ex) {
LOG.error("Error during generate JSON file", ex);
}
}
Example #2
| Source File: CapEnv.java From finalspeed-91yun with GNU General Public License v2.0 | 6 votes |
|
IpV4Packet getIpV4Packet_pppoe(EthernetPacket packet_eth) throws IllegalRawDataException{
IpV4Packet ipV4Packet=null;
byte[] pppData=packet_eth.getPayload().getRawData();
if(pppData.length>8&&pppData[8]==0x45){
byte[] b2=new byte[2];
System.arraycopy(pppData, 4, b2, 0, 2);
short len=(short) ByteShortConvert.toShort(b2, 0);
int ipLength=toUnsigned(len)-2;
byte[] ipData=new byte[ipLength];
//设置ppp参数
PacketUtils.pppHead_static[2]=pppData[2];
PacketUtils.pppHead_static[3]=pppData[3];
if(ipLength==(pppData.length-8)){
System.arraycopy(pppData, 8, ipData, 0, ipLength);
ipV4Packet=IpV4Packet.newPacket(ipData, 0, ipData.length);
}else {
MLog.println("长度不符!");
}
}
return ipV4Packet;
}
Example #3
| Source File: UnixPktDumpService.java From trex-stateless-gui with Apache License 2.0 | 5 votes |
|
private EthernetPacket toEtherPkt(byte[] pkt) {
EthernetPacket ethPkt = null;
try {
ethPkt = EthernetPacket.newPacket(pkt, 0, pkt.length);
} catch (IllegalRawDataException e) {
LOG.error("Save PCAP. Unable to parse pkt from server.", e);
return null;
}
return ethPkt;
}
Example #4
| Source File: RecordController.java From trex-stateless-gui with Apache License 2.0 | 5 votes |
|
private EthernetPacket toEtherPkt(CapturedPkt pkt) {
byte[] pktBinary = Base64.getDecoder().decode(pkt.getBinary());
EthernetPacket ethPkt = null;
try {
ethPkt = EthernetPacket.newPacket(pktBinary, 0, pktBinary.length);
} catch (IllegalRawDataException e) {
LOG.error("Save PCAP. Unable to parse pkt from server.", e);
return null;
}
return ethPkt;
}
Example #5
| Source File: TrexEthernetPacket.java From trex-stateless-gui with Apache License 2.0 | 5 votes |
|
/**
*
* @param builder
*/
public void buildPacket(AbstractPacket.AbstractBuilder builder) {
if (builder == null) {
this.type = EtherType.getInstance((short) 0xFFFF);
}
ethernetBuilder = new EthernetPacket.Builder();
ethernetBuilder.dstAddr(dstAddr)
.srcAddr(srcAddr)
.type(type)
.payloadBuilder(builder);
byte[] pad;
if (builder == null || addPad) {
if (payload != null) {
String payloadString = payload.getPayloadType().getPadPayloadString(payload.getPayloadPattern(), 100000);
pad = new BigInteger(payloadString, 16).toByteArray();
} else {
pad = new byte[0];
}
ethernetBuilder.paddingAtBuild(false).pad(pad);
this.packet = ethernetBuilder.build();
fixPacketLength();
} else {
ethernetBuilder.paddingAtBuild(true);
this.packet = ethernetBuilder.build();
}
}
Example #6
| Source File: TrexEthernetPacket.java From trex-stateless-gui with Apache License 2.0 | 5 votes |
|
private void fixPacketLength() {
try {
EthernetPacket newPacket = packet;
if (packet.getRawData().length < getLength()) {
byte[] pad = new byte[getLength() - packet.getRawData().length];
newPacket = EthernetPacket.newPacket(ArrayUtils.addAll(packet.getRawData(), pad), 0, getLength());
} else {
newPacket = EthernetPacket.newPacket(packet.getRawData(), 0, getLength());
}
setPacket((EthernetPacket) newPacket);
} catch (IllegalRawDataException ex) {
Logger.getLogger(TrexEthernetPacket.class.getName()).log(Level.SEVERE, null, ex);
}
}
Example #7
| Source File: PacketHex.java From trex-stateless-gui with Apache License 2.0 | 5 votes |
|
/**
* Handle mouse clicked event
*/
private void handleMouseClickedEvent() {
TreeTableRow<HexData> selectedRow = (TreeTableRow<HexData>) textField.getParent().getParent();
if (!selectedRow.getTreeItem().getValue().getOffset().contains("-")) {
String originalLine = textField.getText();
String selectedHex = textField.getSelectedText().trim();
String replacedHex = showDialog(selectedHex);
if (replacedHex != null) {
try {
textField.replaceSelection(replacedHex.toUpperCase());
String payLoad = hexToASCII(textField.getText());
TreeTableRow<HexData> hexTable = (TreeTableRow<HexData>) textField.getParent().getParent();
TreeItem<HexData> selectedItem = hexTable.getTreeItem();
selectedItem.setValue(new HexData(selectedItem.getValue().getOffset(), textField.getText(), packetParser.formatPayLoad(payLoad)));
String originalHex = getPacketHexFromList();
if (selectedItem.getValue().getOffset().contains("-")) {
originalHex = originalHex.replaceAll(originalLine.replaceAll(" ", "").replaceAll("\n", ""), textField.getText().replaceAll(" ", "").replaceAll("\n", ""));
}
byte[] rawdata = DatatypeConverter.parseHexBinary(originalHex);
EthernetPacket p = EthernetPacket.newPacket(rawdata, 0, rawdata.length);
packetParser.parsePacket(p, packetInfo);
treeRoot.getChildren().clear();
setData(packetInfo);
} catch (IllegalRawDataException ex) {
java.util.logging.Logger.getLogger(PacketHex.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
}
Example #8
| Source File: PacketParser.java From trex-stateless-gui with Apache License 2.0 | 4 votes |
|
/**
* Extract packet info
*
* @param packet
* @return
*/
private PacketInfo extractPacketInfo(Packet packet) {
if (packet != null) {
packetInfo.setPacketHex(formatHex(DatatypeConverter.printHexBinary(packet.getRawData())));
packetInfo.setPacketRawData(formatPayLoad(new String(packet.getRawData())));
}
// defien whether packet has vlan or not
if(packet.get(Dot1qVlanTagPacket.class) != null){
packetInfo.setVlanPacket(true);
}
// If the packet has Ethernet
if (packet.get(EthernetPacket.class) != null) {
packetInfo.setEthernetHex(getHeaderOffset(packet.get(EthernetPacket.class).getHeader().toHexString().toUpperCase()));
packetInfo.setEthernetRawData(new String());
packetInfo.setDestMac(packet.get(EthernetPacket.class).getHeader().getDstAddr().toString());
packetInfo.setSrcMac(packet.get(EthernetPacket.class).getHeader().getSrcAddr().toString());
}
// if the packet has IPV4
if (packet.get(IpV4Packet.class) != null) {
packetInfo.setIpv4Hex(getHeaderOffset(packet.get(IpV4Packet.class).getHeader().toHexString().toUpperCase()));
packetInfo.setIpv4RawData(new String());
packetInfo.setDestIpv4(packet.get(IpV4Packet.class).getHeader().getDstAddr().getHostAddress());
packetInfo.setSrcIpv4(packet.get(IpV4Packet.class).getHeader().getSrcAddr().getHostAddress());
}
// if the packet has TCP
if (packet.get(TcpPacket.class) != null) {
packetInfo.setL4Name("TCP");
packetInfo.setL4Hex(getHeaderOffset(packet.get(TcpPacket.class).getHeader().toHexString().toUpperCase()));
packetInfo.setL4RawData(new String());
if (packet.get(TcpPacket.class).getPayload() != null) {
packetInfo.setPacketPayLoad(getHeaderOffset(spaceHex(Hex.encodeHexString(packet.get(TcpPacket.class).getPayload().getRawData()))));
} else {
packetInfo.setPacketPayLoad(null);
}
}
// if the packet has UDP
if (packet.get(UdpPacket.class) != null) {
packetInfo.setL4Name("UDP");
packetInfo.setL4Hex(getHeaderOffset(packet.get(UdpPacket.class).getHeader().toHexString().toUpperCase()));
packetInfo.setL4RawData(new String());
if (packet.get(UdpPacket.class).getPayload() != null) {
packetInfo.setPacketPayLoad(getHeaderOffset(spaceHex(Hex.encodeHexString(packet.get(UdpPacket.class).getPayload().getRawData()))));
} else {
packetInfo.setPacketPayLoad(null);
}
}
return packetInfo;
}
Example #9
| Source File: PacketUtils.java From finalspeed-91yun with GNU General Public License v2.0 | 4 votes |
|
public static Packet buildIpV4(
MacAddress srcAddress_mac,
MacAddress dstAddrress_mac,
IpV4Packet.Builder builder_ipv4){
org.pcap4j.packet.Packet.Builder builder=null;
EtherType etherType=null;
Packet p=null;
if(ppp){
etherType=EtherType.PPPOE_SESSION_STAGE;
UnknownPacket.Builder pppBuilder=new UnknownPacket.Builder();
byte[] ipData=builder_ipv4.build().getRawData();
byte[] lenb=new byte[2];
ByteShortConvert.toByteArray((short) (ipData.length+2), lenb, 0);
byte[] pppHead=new byte[8];
System.arraycopy(pppHead_static, 0, pppHead, 0, pppHead.length);
System.arraycopy(lenb, 0, pppHead, 4, 2);
byte[] newData=new byte[pppHead.length+ipData.length];
System.arraycopy(pppHead, 0, newData, 0, pppHead.length);
System.arraycopy(ipData, 0, newData, 8, ipData.length);
pppBuilder.rawData(newData);
builder=pppBuilder;
}else {
etherType=EtherType.IPV4;
builder=builder_ipv4;
}
EthernetPacket.Builder etherBuilder = new EthernetPacket.Builder();
etherBuilder.dstAddr(dstAddrress_mac)
.srcAddr(srcAddress_mac)
.type(etherType)
.payloadBuilder(builder)
.paddingAtBuild(true);
p = etherBuilder.build();
return p;
}
Example #10
| Source File: DhcpPacketListener.java From dhcp4j with Apache License 2.0 | 4 votes |
|
@Override
public void gotPacket(Packet rawPacket) {
try {
LOG.info("Read raw " + rawPacket);
IpV4Packet ipPacket = rawPacket.get(IpV4Packet.class);
UdpPacket udpPacket = rawPacket.get(UdpPacket.class);
byte[] dhcpData = udpPacket.getPayload().getRawData();
InetSocketAddress remoteAddress = new InetSocketAddress(ipPacket.getHeader().getSrcAddr(), udpPacket.getHeader().getSrcPort().valueAsInt());
InetSocketAddress localAddress = new InetSocketAddress(ipPacket.getHeader().getDstAddr(), udpPacket.getHeader().getDstPort().valueAsInt());
DhcpRequestContext context = new DhcpRequestContext(interfaceAddresses, remoteAddress, localAddress);
DhcpMessage request = decoder.decode(ByteBuffer.wrap(dhcpData));
LOG.info("Read DHCP " + request);
DhcpMessage reply = service.getReplyFor(context, request);
if (reply == null)
return;
byte[] replyData = new byte[1536];
ByteBuffer buffer = ByteBuffer.wrap(replyData);
encoder.encode(buffer, reply);
replyData = Arrays.copyOf(replyData, buffer.position()); // Truncate array to writer position.
UnknownPacket.Builder dhcpBuilder = new UnknownPacket.Builder()
.rawData(replyData);
UdpPacket.Builder udpBuilder = new UdpPacket.Builder()
.payloadBuilder(dhcpBuilder)
.srcPort(udpPacket.getHeader().getDstPort())
.dstPort(udpPacket.getHeader().getSrcPort())
.correctChecksumAtBuild(true)
.correctLengthAtBuild(true);
IpV4Packet.Builder ipBuilder = new IpV4Packet.Builder()
.payloadBuilder(udpBuilder)
.srcAddr(null) // TODO
.dstAddr(null) // TODO
.protocol(IpNumber.UDP)
.correctChecksumAtBuild(true)
.correctLengthAtBuild(true)
.paddingAtBuild(true);
EthernetPacket.Builder ethernetBuilder = new EthernetPacket.Builder()
.payloadBuilder(ipBuilder)
.type(EtherType.IPV4)
.paddingAtBuild(true);
Packet replyPacket = ethernetBuilder.build();
// handle.sendPacket(replyPacket);
} catch (Exception e) {
LOG.error("DHCP failed", e);
}
}
Example #11
| Source File: DhcpPacketListener.java From dhcp4j with Apache License 2.0 | 4 votes |
|
@Override
public void gotPacket(Packet rawPacket) {
try {
LOG.info("Read raw " + rawPacket);
IpV4Packet ipPacket = rawPacket.get(IpV4Packet.class);
UdpPacket udpPacket = rawPacket.get(UdpPacket.class);
byte[] dhcpData = udpPacket.getPayload().getRawData();
InetSocketAddress remoteAddress = new InetSocketAddress(ipPacket.getHeader().getSrcAddr(), udpPacket.getHeader().getSrcPort().valueAsInt());
InetSocketAddress localAddress = new InetSocketAddress(ipPacket.getHeader().getDstAddr(), udpPacket.getHeader().getDstPort().valueAsInt());
DhcpRequestContext context = new DhcpRequestContext(interfaceAddresses, remoteAddress, localAddress);
DhcpMessage request = decoder.decode(ByteBuffer.wrap(dhcpData));
LOG.info("Read DHCP " + request);
DhcpMessage reply = service.getReplyFor(context, request);
if (reply == null)
return;
byte[] replyData = new byte[1536];
ByteBuffer buffer = ByteBuffer.wrap(replyData);
encoder.encode(buffer, reply);
replyData = Arrays.copyOf(replyData, buffer.position()); // Truncate array to writer position.
UnknownPacket.Builder dhcpBuilder = new UnknownPacket.Builder()
.rawData(replyData);
UdpPacket.Builder udpBuilder = new UdpPacket.Builder()
.payloadBuilder(dhcpBuilder)
.srcPort(udpPacket.getHeader().getDstPort())
.dstPort(udpPacket.getHeader().getSrcPort())
.correctChecksumAtBuild(true)
.correctLengthAtBuild(true);
IpV4Packet.Builder ipBuilder = new IpV4Packet.Builder()
.payloadBuilder(udpBuilder)
.srcAddr(null) // TODO
.dstAddr(null) // TODO
.protocol(IpNumber.UDP)
.correctChecksumAtBuild(true)
.correctLengthAtBuild(true)
.paddingAtBuild(true);
EthernetPacket.Builder ethernetBuilder = new EthernetPacket.Builder()
.payloadBuilder(ipBuilder)
.type(EtherType.IPV4)
.paddingAtBuild(true);
Packet replyPacket = ethernetBuilder.build();
// handle.sendPacket(replyPacket);
} catch (Exception e) {
LOG.error("DHCP failed", e);
}
}
Example #12
| Source File: TrexEthernetPacket.java From trex-stateless-gui with Apache License 2.0 | 2 votes |
|
/**
*
* @param packet
*/
public void setPacket(EthernetPacket packet) {
this.packet = packet;
}
Example #13
| Source File: TrexEthernetPacket.java From trex-stateless-gui with Apache License 2.0 | 2 votes |
|
/**
*
* @return
*/
public EthernetPacket.Builder getEthernetBuilder() {
return ethernetBuilder;
}
Example #14
| Source File: PacketUtil.java From trex-stateless-gui with Apache License 2.0 | 2 votes |
|
/**
* Get packet from encoded string
*
* @param encodedBinaryPacket
* @return packet
* @throws IllegalRawDataException
*/
public Packet getPacketFromEncodedString(String encodedBinaryPacket) throws IllegalRawDataException {
byte[] pkt = Base64.decodeBase64(encodedBinaryPacket);
return EthernetPacket.newPacket(pkt, 0, pkt.length);
}
