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Java IpV4Packet类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Java中org.pcap4j.packet.IpV4Packet的典型用法代码示例。如果您正苦于以下问题:Java IpV4Packet类的具体用法?Java IpV4Packet怎么用?Java IpV4Packet使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。



IpV4Packet类属于org.pcap4j.packet包,在下文中一共展示了IpV4Packet类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: getIpV4Packet_pppoe

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
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;
}
 
开发者ID:gmirr,项目名称:finalspeed-91yun,代码行数:22,代码来源:CapEnv.java


示例2: getIpV4Packet_pppoe

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
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("Length don't match!");
		}
	}
	return ipV4Packet;
}
 
开发者ID:RCD-Y,项目名称:FinalSpeed-X,代码行数:22,代码来源:CapEnv.java


示例3: validatePacket

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
/**
 * Validate packet
 *
 * @param packet
 * @return
 */
public boolean validatePacket(Packet packet) {
    validPacket = true;
    if(packet.get(IpV4Packet.class) == null){
        validPacket = false;
    }else if (defaultSrcAddress == null) {
        return true;
    } else if (!packet.get(IpV4Packet.class).getHeader().getProtocol().name().equals(protocolType)) {
        validPacket = false;
    } else {
        // check src/dst port combination
        currentSrcAddressPort = packet.get(IpV4Packet.class).getHeader().getSrcAddr().getHostAddress() + ":" + getSrcPort(packet);
        currentDstAddressPort = packet.get(IpV4Packet.class).getHeader().getDstAddr().getHostAddress() + ":" + getDstPort(packet);
        if ((!currentSrcAddressPort.equals(defaultSrcAddressPort) && !currentSrcAddressPort.equals(defaultDstAddressPort))
                || (!currentDstAddressPort.equals(defaultSrcAddressPort) && !currentDstAddressPort.equals(defaultDstAddressPort))) {
            validPacket = false;
        }
    }
    return validPacket;
}
 
开发者ID:exalt-tech,项目名称:trex-stateless-gui,代码行数:26,代码来源:PacketUpdater.java


示例4: updateSrcAddress

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
/**
 * Update source IP address
 */
private Packet updateSrcAddress(Packet packet) {
    try {
        if (importedProperties.isSourceEnabled()) {
            Inet4Address modifiedAddress = (Inet4Address) Inet4Address.getByAddress(convertIPToByte(importedProperties.getSrcAddress()));
            Packet.Builder builder = packet.getBuilder();
            if (packet.get(IpV4Packet.class).getHeader().getSrcAddr().getHostAddress().equals(defaultSrcAddress)) {
                builder.get(IpV4Packet.Builder.class).srcAddr(modifiedAddress);
            } else {
                builder.get(IpV4Packet.Builder.class).dstAddr(modifiedAddress);
            }
            packet = builder.build();
        }

    } catch (Exception ex) {
        LOG.error("Error updating source IP", ex);
    }
    return packet;
}
 
开发者ID:exalt-tech,项目名称:trex-stateless-gui,代码行数:22,代码来源:PacketUpdater.java


示例5: updateDstAddress

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
/**
 * Update destination IP address
 */
private Packet updateDstAddress(Packet packet) {
    try {
        if (importedProperties.isDestinationEnabled()) {
            Inet4Address modifiedAddress = (Inet4Address) Inet4Address.getByAddress(convertIPToByte(importedProperties.getDstAddress()));
            Packet.Builder builder = packet.getBuilder();
            if (packet.get(IpV4Packet.class).getHeader().getDstAddr().getHostAddress().equals(defaultDstAddress)) {
                builder.get(IpV4Packet.Builder.class).dstAddr(modifiedAddress);
            } else {
                builder.get(IpV4Packet.Builder.class).srcAddr(modifiedAddress);
            }
            packet = builder.build();
        }
    } catch (Exception ex) {
        LOG.error("Error updating destination IP", ex);
    }
    return packet;
}
 
开发者ID:exalt-tech,项目名称:trex-stateless-gui,代码行数:21,代码来源:PacketUpdater.java


示例6: buildIPV4Packet

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
/**
 * Build IPV4 packet
 *
 * @param packetData
 * @return
 * @throws IOException
 * @throws InterruptedException
 * @throws PcapNativeException
 * @throws NotOpenException
 * @throws java.net.URISyntaxException
 */
public TrexEthernetPacket buildIPV4Packet(PacketData packetData) throws IOException, InterruptedException, PcapNativeException, NotOpenException, URISyntaxException {

    LOG.info("create ethernet packet");
    int packetLength = PacketBuilderHelper.getPacketLength(packetData.getPacketLength().getLengthType(), packetData.getPacketLength().getFrameLength(), packetData.getPacketLength().getMaxLength());
    Payload payload = packetUtil.getPayload(packetData.getPayload());
    TrexEthernetPacket ethernetPacket = packetUtil.prepareEthernetPacket(packetData, packetLength, payload);

    // define VLAN 
    IpV4Packet.Builder ipV4Packet = getIPV4PacketBuilder(PacketBuilderHelper.getIPV4TotalLength(packetData.isTaggedVlan()), packetLength, payload, packetData);
    if (!packetData.isTaggedVlan()) {
        LOG.info("Add IPV4 packet");
        ethernetPacket.buildPacket(ipV4Packet);
    } else {
        packetUtil.addVlanToPacket(ethernetPacket, ipV4Packet);
    }

    return ethernetPacket;
}
 
开发者ID:exalt-tech,项目名称:trex-stateless-gui,代码行数:30,代码来源:AbstractIPV4Test.java


示例7: matchesDestination

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
public static boolean matchesDestination(
  Packet packet, Inet4Address addr, Inet4Address subnetmask
) {
  IpV4Packet ipv4Packet = packet.get(IpV4Packet.class);
  if (ipv4Packet == null) {
    throw new IllegalArgumentException(packet.toString());
  }

  Inet4Address dstAddr = ipv4Packet.getHeader().getDstAddr();
  if (dstAddr.equals(addr)) {
    return true;
  }

  if (!isSameNetwork(addr, dstAddr, subnetmask)) {
    return false;
  }

  return isBroadcastAddr(dstAddr, subnetmask);
}
 
开发者ID:kaitoy,项目名称:sneo,代码行数:20,代码来源:IpV4Helper.java


示例8: gotPacket

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
public void gotPacket(Packet packet) {
  NetworkInterface getter = nifs.get(ifName);
  if (packet.contains(IpV4Packet.class)) {
    handleIpV4(packet, getter);
  }
  if (packet.contains(IpV6Packet.class)) {
    if (packet.contains(IcmpV6NeighborSolicitationPacket.class)) {
      handleIcmpV6Ns(packet, getter);
    }
    else if (packet.contains(IcmpV6NeighborAdvertisementPacket.class)) {
      handleIcmpV6Na(packet, getter);
    }
    else {
      handleIpV6(packet, getter);
    }
  }
  else if (packet.contains(ArpPacket.class)) {
    handleArp(packet, getter);
  }
}
 
开发者ID:kaitoy,项目名称:sneo,代码行数:21,代码来源:Node.java


示例9: onEvent

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
@Override
public void onEvent(PacketContainer container, long sequence, boolean endOfBatch) throws Exception {
    IpV4Packet ipV4Packet = container.getIpV4Packet();
    if (ipV4Packet == null) {
        return;
    }

    IpV4Packet.IpV4Header ipV4Header = ipV4Packet.getHeader();
    if (!ipV4Header.getMoreFragmentFlag() && ipV4Header.getFragmentOffset() == 0) {
        return;
    }

    int identification = ipV4Header.getIdentificationAsInt();
    if (shouldSkipEvent(identification, order, total)) {
        return;
    }

    // It seems to be the best place to call 'checkExpired()'...
    checkExpired();

    FragmentedPackets fragmentedPackets = accumulator.computeIfAbsent(identification, i -> new FragmentedPackets());
    fragmentedPackets.addPacket(ipV4Packet);
    if (fragmentedPackets.isAllPacketsReceived()) {
        try {
            container.setIpV4Packet(IpV4Helper.defragment(fragmentedPackets.getPackets()));
        } finally {
            accumulator.remove(identification);
        }
    } else {
        container.setIpV4Packet(null);
    }
}
 
开发者ID:sip3io,项目名称:tapir,代码行数:33,代码来源:PacketDefragmentator.java


示例10: isAllPacketsReceived

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
public boolean isAllPacketsReceived() {
    if (!isLastPacketReceived) {
        return false;
    }
    int expectedOffset = 0;
    for (Map.Entry<Integer, IpV4Packet> entry : packets.entrySet()) {
        int offset = entry.getKey();
        if (offset != expectedOffset) {
            return false;
        }
        IpV4Packet p = entry.getValue();
        expectedOffset = offset + p.getHeader().getTotalLength() - 4 * p.getHeader().getIhl();
    }
    return true;
}
 
开发者ID:sip3io,项目名称:tapir,代码行数:16,代码来源:FragmentedPackets.java


示例11: addFragment

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
public void addFragment(int identification, IpV4Packet fragment) {
    List<IpV4Packet> collected = fragments.get(identification);
    if (collected == null) {
        collected = new LinkedList<IpV4Packet>();
    }
    collected.add(fragment);
    fragments.put(identification, collected);
}
 
开发者ID:rmcnew,项目名称:LiquidFortressPacketAnalyzer,代码行数:9,代码来源:IpDefragmenter.java


示例12: defragment

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
public IpV4Packet defragment(int identification) {
    List<IpV4Packet> collected = fragments.get(identification);
    if (collected == null) {
        throw new IllegalArgumentException("No fragments collected for ID: " + identification);
    }
    fragments.remove(identification);
    return IpV4Helper.defragment(collected);
}
 
开发者ID:rmcnew,项目名称:LiquidFortressPacketAnalyzer,代码行数:9,代码来源:IpDefragmenter.java


示例13: handleDnsResponse

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
/**
 * Handles a responsePayload from an upstream DNS server
 *
 * @param requestPacket   The original request packet
 * @param responsePayload The payload of the response
 */
void handleDnsResponse(IpPacket requestPacket, byte[] responsePayload) {
    UdpPacket udpOutPacket = (UdpPacket) requestPacket.getPayload();
    UdpPacket.Builder payLoadBuilder = new UdpPacket.Builder(udpOutPacket)
            .srcPort(udpOutPacket.getHeader().getDstPort())
            .dstPort(udpOutPacket.getHeader().getSrcPort())
            .srcAddr(requestPacket.getHeader().getDstAddr())
            .dstAddr(requestPacket.getHeader().getSrcAddr())
            .correctChecksumAtBuild(true)
            .correctLengthAtBuild(true)
            .payloadBuilder(
                    new UnknownPacket.Builder()
                            .rawData(responsePayload)
            );


    IpPacket ipOutPacket;
    if (requestPacket instanceof IpV4Packet) {
        ipOutPacket = new IpV4Packet.Builder((IpV4Packet) requestPacket)
                .srcAddr((Inet4Address) requestPacket.getHeader().getDstAddr())
                .dstAddr((Inet4Address) requestPacket.getHeader().getSrcAddr())
                .correctChecksumAtBuild(true)
                .correctLengthAtBuild(true)
                .payloadBuilder(payLoadBuilder)
                .build();

    } else {
        ipOutPacket = new IpV6Packet.Builder((IpV6Packet) requestPacket)
                .srcAddr((Inet6Address) requestPacket.getHeader().getDstAddr())
                .dstAddr((Inet6Address) requestPacket.getHeader().getSrcAddr())
                .correctLengthAtBuild(true)
                .payloadBuilder(payLoadBuilder)
                .build();
    }

    eventLoop.queueDeviceWrite(ipOutPacket);
}
 
开发者ID:julian-klode,项目名称:dns66,代码行数:43,代码来源:DnsPacketProxy.java


示例14: testHandleDnsRequestNotUdpPacket

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
@Test
public void testHandleDnsRequestNotUdpPacket() throws Exception {
    TcpPacket.Builder payLoadBuilder = new TcpPacket.Builder()
            .srcPort(TcpPort.HTTP)
            .dstPort(TcpPort.HTTP)
            .srcAddr(InetAddress.getByAddress(new byte[]{8, 8, 4, 4}))
            .dstAddr(InetAddress.getByAddress(new byte[]{8, 8, 8, 8}))
            .correctChecksumAtBuild(true)
            .correctLengthAtBuild(true)
            .payloadBuilder(
                    new UnknownPacket.Builder()
                            .rawData(new byte[0])
            );

    IpPacket ipOutPacket = new IpV4Packet.Builder()
            .version(IpVersion.IPV4)
            .tos(IpV4Rfc791Tos.newInstance((byte) 0))
            .protocol(IpNumber.UDP)
            .srcAddr((Inet4Address) Inet4Address.getByAddress(new byte[]{8, 8, 4, 4}))
            .dstAddr((Inet4Address) Inet4Address.getByAddress(new byte[]{8, 8, 8, 8}))
            .correctChecksumAtBuild(true)
            .correctLengthAtBuild(true)
            .payloadBuilder(payLoadBuilder)
            .build();

    dnsPacketProxy.handleDnsRequest(ipOutPacket.getRawData());
    assertNull(mockEventLoop.lastOutgoing);
    assertNull(mockEventLoop.lastResponse);
}
 
开发者ID:julian-klode,项目名称:dns66,代码行数:30,代码来源:DnsPacketProxyTest.java


示例15: testHandleDnsRequestNotDnsPacket

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
@Test
public void testHandleDnsRequestNotDnsPacket() throws Exception {
    UdpPacket.Builder payLoadBuilder = new UdpPacket.Builder()
            .srcPort(UdpPort.HTTP)
            .dstPort(UdpPort.HTTP)
            .srcAddr(InetAddress.getByAddress(new byte[]{8, 8, 4, 4}))
            .dstAddr(InetAddress.getByAddress(new byte[]{8, 8, 8, 8}))
            .correctChecksumAtBuild(true)
            .correctLengthAtBuild(true)
            .payloadBuilder(
                    new UnknownPacket.Builder()
                            .rawData(new byte[]{1, 2, 3, 4, 5})
            );

    IpPacket ipOutPacket = new IpV4Packet.Builder()
            .version(IpVersion.IPV4)
            .tos(IpV4Rfc791Tos.newInstance((byte) 0))
            .protocol(IpNumber.UDP)
            .srcAddr((Inet4Address) Inet4Address.getByAddress(new byte[]{8, 8, 4, 4}))
            .dstAddr((Inet4Address) Inet4Address.getByAddress(new byte[]{8, 8, 8, 8}))
            .correctChecksumAtBuild(true)
            .correctLengthAtBuild(true)
            .payloadBuilder(payLoadBuilder)
            .build();

    dnsPacketProxy.handleDnsRequest(ipOutPacket.getRawData());
    assertNull(mockEventLoop.lastOutgoing);
    assertNull(mockEventLoop.lastResponse);
}
 
开发者ID:julian-klode,项目名称:dns66,代码行数:30,代码来源:DnsPacketProxyTest.java


示例16: testDnsQuery

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
@Test
public void testDnsQuery() throws Exception {
    Message message = Message.newQuery(new ARecord(new Name("notblocked.example.com."),
            0x01,
            3600,
            Inet4Address.getByAddress(new byte[]{0, 0, 0, 0})
    ));

    UdpPacket.Builder payLoadBuilder = new UdpPacket.Builder()
            .srcPort(UdpPort.DOMAIN)
            .dstPort(UdpPort.DOMAIN)
            .srcAddr(InetAddress.getByAddress(new byte[]{8, 8, 4, 4}))
            .dstAddr(InetAddress.getByAddress(new byte[]{8, 8, 8, 8}))
            .correctChecksumAtBuild(true)
            .correctLengthAtBuild(true)
            .payloadBuilder(
                    new UnknownPacket.Builder()
                            .rawData(message.toWire())
            );

    IpPacket ipOutPacket = new IpV4Packet.Builder()
            .version(IpVersion.IPV4)
            .tos(IpV4Rfc791Tos.newInstance((byte) 0))
            .protocol(IpNumber.UDP)
            .srcAddr((Inet4Address) Inet4Address.getByAddress(new byte[]{8, 8, 4, 4}))
            .dstAddr((Inet4Address) Inet4Address.getByAddress(new byte[]{8, 8, 8, 8}))
            .correctChecksumAtBuild(true)
            .correctLengthAtBuild(true)
            .payloadBuilder(payLoadBuilder)
            .build();

    dnsPacketProxy.handleDnsRequest(ipOutPacket.getRawData());

    assertNull(mockEventLoop.lastResponse);
    assertNotNull(mockEventLoop.lastOutgoing);
    assertEquals(Inet4Address.getByAddress(new byte[]{8, 8, 8, 8}), mockEventLoop.lastOutgoing.getAddress());
}
 
开发者ID:julian-klode,项目名称:dns66,代码行数:38,代码来源:DnsPacketProxyTest.java


示例17: testNoQueryDnsQuery

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
@Test
public void testNoQueryDnsQuery() throws Exception {
    Message message = new Message();

    UdpPacket.Builder payLoadBuilder = new UdpPacket.Builder()
            .srcPort(UdpPort.DOMAIN)
            .dstPort(UdpPort.DOMAIN)
            .srcAddr(InetAddress.getByAddress(new byte[]{8, 8, 4, 4}))
            .dstAddr(InetAddress.getByAddress(new byte[]{8, 8, 8, 8}))
            .correctChecksumAtBuild(true)
            .correctLengthAtBuild(true)
            .payloadBuilder(
                    new UnknownPacket.Builder()
                            .rawData(message.toWire())
            );

    IpPacket ipOutPacket = new IpV4Packet.Builder()
            .version(IpVersion.IPV4)
            .tos(IpV4Rfc791Tos.newInstance((byte) 0))
            .protocol(IpNumber.UDP)
            .srcAddr((Inet4Address) Inet4Address.getByAddress(new byte[]{8, 8, 4, 4}))
            .dstAddr((Inet4Address) Inet4Address.getByAddress(new byte[]{8, 8, 8, 8}))
            .correctChecksumAtBuild(true)
            .correctLengthAtBuild(true)
            .payloadBuilder(payLoadBuilder)
            .build();

    dnsPacketProxy.handleDnsRequest(ipOutPacket.getRawData());

    assertNull(mockEventLoop.lastResponse);
    assertNull(mockEventLoop.lastOutgoing);
    dnsPacketProxy.handleDnsRequest(ipOutPacket.getRawData());
}
 
开发者ID:julian-klode,项目名称:dns66,代码行数:34,代码来源:DnsPacketProxyTest.java


示例18: createSyncAck

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
static Packet createSyncAck(
		MacAddress srcAddress_mac,
		MacAddress dstAddrress_mac,
		Inet4Address srcAddress,short srcPort,
		Inet4Address dstAddress,short dstPort,
		int ack_sequence,int sequence,short ident){

	TcpPacket.Builder builder_tcp=new TcpPacket.Builder();
	//builder_tcp.payloadBuilder(new UnknownPacket.Builder().rawData(new byte[0]));
	builder_tcp.correctChecksumAtBuild(true);
	builder_tcp.correctLengthAtBuild(true);
	builder_tcp.paddingAtBuild(true);
	builder_tcp.ack(true);
	builder_tcp.acknowledgmentNumber(ack_sequence);
	//builder_tcp.checksum(tcpHeader.getChecksum());
	//builder_tcp.dataOffset((byte) 8);
	builder_tcp.dstAddr(dstAddress);
	builder_tcp.dstPort(new TcpPort(dstPort,""));
	//builder_tcp.fin(tcpHeader.getFin());


	ArrayList<TcpOption> tcp_options=new ArrayList<TcpOption>();
	
	TcpNoOperationOption nop=TcpNoOperationOption.getInstance();

	TcpMaximumSegmentSizeOption seg_option=new TcpMaximumSegmentSizeOption.Builder().maxSegSize(mtu).correctLengthAtBuild(true).build();
	tcp_options.add(seg_option);
	
	tcp_options.add(nop);
	tcp_options.add(nop);

	TcpSackPermittedOption sack_permit_option=TcpSackPermittedOption.getInstance();
	tcp_options.add(sack_permit_option);
	
	tcp_options.add(nop);

	TcpWindowScaleOption win_option=new TcpWindowScaleOption.Builder().shiftCount(shiftCount).correctLengthAtBuild(true).build();
	tcp_options.add(win_option);

	builder_tcp.options(tcp_options);

	//builder_tcp.padding(tcpHeader.getPadding());
	builder_tcp.psh(false);
	builder_tcp.reserved((byte) 0);
	builder_tcp.rst(false);
	builder_tcp.sequenceNumber(sequence);
	builder_tcp.srcAddr(srcAddress);
	builder_tcp.srcPort(new TcpPort(srcPort,""));
	builder_tcp.syn(true);
	builder_tcp.urg(false);
	//builder_tcp.urgentPointer(tcpHeader.getUrgentPointer());
	builder_tcp.window( window);

	IpV4Packet.Builder builder_ipv4=new IpV4Packet.Builder();
	builder_ipv4.correctChecksumAtBuild(true);
	builder_ipv4.correctLengthAtBuild(true);
	builder_ipv4.paddingAtBuild(true);
	builder_ipv4.dstAddr(dstAddress);
	builder_ipv4.dontFragmentFlag(true);
	builder_ipv4.fragmentOffset((short)0);
	//builder_ipv4.headerChecksum(ipV4Header.getHeaderChecksum());
//	short identification= Math.abs(random.nextInt(Short.MAX_VALUE));
	builder_ipv4.identification(ident);
	builder_ipv4.ihl((byte) 5);
	//builder_ipv4.moreFragmentFlag(ipV4Header.getMoreFragmentFlag());
	//builder_ipv4.options(ipV4Header.getOptions());
	//builder_ipv4.padding(ipV4Header.getPadding());

	builder_ipv4.protocol(IpNumber.TCP);
	//		builder_ipv4.reservedFlag(ipV4Header.getReservedFlag());
	builder_ipv4.srcAddr(srcAddress);
	builder_ipv4.tos(IpV4Rfc1349Tos.newInstance((byte) 0));
	//builder_ipv4.totalLength( 52);
	builder_ipv4.ttl(ttl);
	builder_ipv4.version(IpVersion.IPV4);
	builder_ipv4.payloadBuilder(builder_tcp);
	//
	Packet p = buildIpV4(srcAddress_mac,dstAddrress_mac,builder_ipv4);
	return p;

}
 
开发者ID:RCD-Y,项目名称:FinalSpeed-X,代码行数:82,代码来源:PacketUtils.java


示例19: buildPacket

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
/**
 *
 * @param builder
 * @param protocol
 */
public void buildPacket(AbstractPacket.AbstractBuilder builder, IpNumber protocol) {

    byte[] pad = new byte[1];
    String payloadPattern = payload.getPayloadPattern();
    String payloadString = payload.getPayloadType().getPadPayloadString(payloadPattern, (totalLength - 20) * 2);

    if (packetLength > DEFAULT_PACKET_LENGTH) {
        payloadString = payload.getPayloadType().getPadPayloadString(payloadPattern, payloadString.length() + ((packetLength - DEFAULT_PACKET_LENGTH) * 2));
        this.totalLength = (short) ((int) totalLength + (packetLength - DEFAULT_PACKET_LENGTH));
    }
    pad = payload.getPayloadPad(payloadString, totalLength - 20);

    ipV4Builder = new IpV4Packet.Builder();
    ipV4Builder.version(version)
            .ihl(ihl)
            .tos(tos)
            .totalLength(totalLength)
            .identification(identification)
            .reservedFlag(reservedFlag)
            .ttl(ttl)
            .fragmentOffset((short) 0)
            .protocol(protocol)
            .headerChecksum(headerChecksum)
            .srcAddr(srcAddr)
            .dstAddr(dstAddr)
            .protocol(protocol)
            .correctChecksumAtBuild(true)
            //  .correctLengthAtBuild(true)
            .payloadBuilder(builder);

    if (protocol != IpNumber.TCP && protocol != IpNumber.UDP) {
        ipV4Builder.paddingAtBuild(false)
                .padding(pad);
    } else {
        ipV4Builder.paddingAtBuild(true).correctLengthAtBuild(true);
    }

    this.packet1 = ipV4Builder.build();
}
 
开发者ID:exalt-tech,项目名称:trex-stateless-gui,代码行数:45,代码来源:TrexIpV4Packet.java


示例20: updatePacketSrcDst

import org.pcap4j.packet.IpV4Packet; //导入依赖的package包/类
/**
 * Update packet source/destination address
 *
 * @param packet
 * @return
 */
public Packet updatePacketSrcDst(Packet packet) {
    // initialze default src/dst address and protocol type
    if (packet.get(IpV4Packet.class) != null) {
        if (defaultSrcAddress == null && defaultDstAddress == null) {
            initializeUpdater(packet);
        }
        packet = updateSrcAddress(packet);
        packet = updateDstAddress(packet);
    }

    return packet;
}
 
开发者ID:exalt-tech,项目名称:trex-stateless-gui,代码行数:19,代码来源:PacketUpdater.java



注:本文中的org.pcap4j.packet.IpV4Packet类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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