org.pcap4j.util.MacAddress Java Examples

The following examples show how to use org.pcap4j.util.MacAddress. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: TCPTun.java    From finalspeed with GNU General Public License v2.0 6 votes vote down vote up 
TCPTun(CapEnv capEnv,
       Inet4Address serverAddress, short serverPort,
       MacAddress srcAddress_mac, MacAddress dstAddrress_mac) {
    this.capEnv = capEnv;
    sendHandle = capEnv.sendHandle;
    this.remoteAddress = serverAddress;
    this.remotePort = serverPort;
    localAddress = capEnv.local_ipv4;
    localPort = (short) (random.nextInt(64 * 1024 - 1 - 10000) + 10000);
    Packet syncPacket = null;
    try {
        syncPacket = PacketUtils.createSync(srcAddress_mac, dstAddrress_mac, localAddress, localPort,
                serverAddress, serverPort, localStartSequence, getIdent());
        try {
            sendHandle.sendPacket(syncPacket);
            localSequence = localStartSequence + 1;
        } catch (Exception e) {
            e.printStackTrace();
        }
    } catch (Exception e1) {
        e1.printStackTrace();
    }
    MLog.println("发送第一次握手 " + " ident " + localIdent);
    MLog.println("" + syncPacket);

}
Example #2
Source File: TCPTun.java    From finalspeed-91yun with GNU General Public License v2.0 6 votes vote down vote up 
TCPTun(CapEnv capEnv,
		Inet4Address serverAddress,short serverPort,
		MacAddress srcAddress_mac,MacAddress dstAddrress_mac){
	this.capEnv=capEnv;
	sendHandle=capEnv.sendHandle;
	this.remoteAddress=serverAddress;
	this.remotePort=serverPort;
	localAddress=capEnv.local_ipv4;
	localPort=(short)(random.nextInt(64*1024-1-10000)+10000);
	Packet syncPacket=null;
	try {
		syncPacket = PacketUtils.createSync(srcAddress_mac, dstAddrress_mac, localAddress, localPort,serverAddress, serverPort, localStartSequence,getIdent());
		try {
			sendHandle.sendPacket(syncPacket);
			localSequence=localStartSequence+1;
		} catch (Exception e) {
			e.printStackTrace();
		}
	} catch (Exception e1) {
		e1.printStackTrace();
	}
	MLog.println("发送第一次握手 "+" ident "+localIdent);
	MLog.println(""+syncPacket);
	
}
Example #3
Source File: TCPTun.java    From NSS with Apache License 2.0 5 votes vote down vote up 
TCPTun(CapEnv capEnv,
          Inet4Address serverAddress, short serverPort,
          MacAddress srcAddress_mac, MacAddress dstAddrress_mac){
	this.capEnv=capEnv;
	sendHandle=capEnv.sendHandle;
	this.remoteAddress=serverAddress;
	this.remotePort=serverPort;
	localAddress=capEnv.local_ipv4;
	localPort=(short)(random.nextInt(64*1024-1-10000)+10000);
	Packet syncPacket=null;
	try {
		syncPacket = PacketUtils.createSync(srcAddress_mac, dstAddrress_mac, localAddress, localPort,serverAddress, serverPort, localStartSequence,getIdent());
		try {
			sendHandle.sendPacket(syncPacket);
			localSequence=localStartSequence+1;
		} catch (Exception e) {
			e.printStackTrace();
		}
	} catch (Exception e1) {
		e1.printStackTrace();
	}
	MLog.println("发送第一次握手 "+" ident "+localIdent);
	MLog.println(""+syncPacket);
	
}
Example #4
Source File: TrexEthernetPacket.java    From trex-stateless-gui with Apache License 2.0 5 votes vote down vote up 
/**
 *
 */
public TrexEthernetPacket() {

    this.srcAddr = MacAddress.getByName("00:00:00:00:00:00");
    this.dstAddr = MacAddress.getByName("00:00:00:00:00:00");
    this.type = EtherType.IPV4;
    this.addPad = false;
}
Example #5
Source File: PacketUtils.java    From finalspeed with GNU General Public License v2.0 4 votes vote down vote up 
static Packet createSync(
            MacAddress srcAddress_mac,
            MacAddress dstAddrress_mac,
            Inet4Address srcAddress, short srcPort,
            Inet4Address dstAddress, short dstPort,
            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());

        TcpNoOperationOption nop = TcpNoOperationOption.getInstance();

        ArrayList<TcpOption> tcp_options = new ArrayList<>();

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

        tcp_options.add(nop);

        TcpWindowScaleOption win_option = new TcpWindowScaleOption.Builder().shiftCount((byte) 6)
                .correctLengthAtBuild(true).build();
        tcp_options.add(win_option);

        tcp_options.add(nop);
        tcp_options.add(nop);

        TcpSackPermittedOption sack_permit_option = TcpSackPermittedOption.getInstance();
        tcp_options.add(sack_permit_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);
// 		IpV4Packet p4=builder_ipv4.build();
//		TcpPacket tcpPacket=builder_tcp.build();
        //selfAckTable.add(identification);
        //System.out.println("自定义确认 "+" identification "+identification+" ack_sequence "+ack_sequence+" # "+tcpPacket
        // .getHeader());
        return buildIpV4(srcAddress_mac, dstAddrress_mac, builder_ipv4);

    }
Example #6
Source File: PacketUtils.java    From finalspeed with GNU General Public License v2.0 4 votes vote down vote up 
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<>();

    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);
    //
    //System.out.println("自定义确认 "+" identification "+identification+" ack_sequence "+ack_sequence+" # "+tcpPacket
    // .getHeader());
    return buildIpV4(srcAddress_mac, dstAddrress_mac, builder_ipv4);

}
Example #7
Source File: PacketUtils.java    From finalspeed with GNU General Public License v2.0 4 votes vote down vote up 
static Packet createAck(
        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());

    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(false);
    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);
    //System.out.println("自定义确认 "+" identification "+identification+" ack_sequence "+ack_sequence+" # "+tcpPacket
    // .getHeader());
    return buildIpV4(srcAddress_mac, dstAddrress_mac, builder_ipv4);

}
Example #8
Source File: PacketUtils.java    From finalspeed with GNU General Public License v2.0 4 votes vote down vote up 
static Packet createDataPacket(
        MacAddress srcAddress_mac,
        MacAddress dstAddrress_mac,
        Inet4Address srcAddress, short srcPort,
        Inet4Address dstAddress, short dstPort,
        int sequence, int ack, byte[] data, short ident) {
    Packet p;

    TcpPacket.Builder builder_tcp = new TcpPacket.Builder();
    builder_tcp.payloadBuilder(new UnknownPacket.Builder().rawData(data));
    builder_tcp.correctChecksumAtBuild(true);
    builder_tcp.correctLengthAtBuild(true);
    builder_tcp.paddingAtBuild(true);
    builder_tcp.ack(true);
    builder_tcp.acknowledgmentNumber(ack);
    //builder_tcp.checksum(tcpHeader.getChecksum());
    //builder_tcp.dataOffset((byte)8);
    builder_tcp.dstAddr(dstAddress);
    builder_tcp.dstPort(new TcpPort(dstPort, ""));
    builder_tcp.fin(false);
    //builder_tcp.options(tcpHeader.getOptions());
    //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(false);
    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.dontFragmentFlag(true);
    builder_ipv4.paddingAtBuild(true);
    builder_ipv4.dstAddr(dstAddress);
    builder_ipv4.fragmentOffset((short) 0);
    //builder_ipv4.headerChecksum(ipV4Header.getHeaderChecksum());
    //short identification= Math.abs(random.nextInt(Short.MAX_VALUE));
    //identification=ident;
    builder_ipv4.identification(ident);
    builder_ipv4.ihl((byte) 5);
    builder_ipv4.moreFragmentFlag(false);
    //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);

    p = buildIpV4(srcAddress_mac, dstAddrress_mac, builder_ipv4);

    return p;
}
Example #9
Source File: PacketUtils.java    From finalspeed with GNU General Public License v2.0 4 votes vote down vote up 
public static Packet buildIpV4(
        MacAddress srcAddress_mac,
        MacAddress dstAddrress_mac,
        IpV4Packet.Builder builder_ipv4) {

    org.pcap4j.packet.Packet.Builder builder;
    EtherType etherType;
    Packet p;
    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: PacketUtils.java    From finalspeed-91yun with GNU General Public License v2.0 4 votes vote down vote up 
static Packet createSync(
			MacAddress srcAddress_mac,
			MacAddress dstAddrress_mac,
			Inet4Address srcAddress,short srcPort,
			Inet4Address dstAddress,short dstPort,
			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());
		
		TcpNoOperationOption nop=TcpNoOperationOption.getInstance();
		
		ArrayList<TcpOption> tcp_options=new ArrayList<TcpOption>();
		
		TcpMaximumSegmentSizeOption seg_option=new TcpMaximumSegmentSizeOption.Builder().maxSegSize(mtu).correctLengthAtBuild(true).build();
		tcp_options.add(seg_option);

		tcp_options.add(nop);

		TcpWindowScaleOption win_option=new TcpWindowScaleOption.Builder().shiftCount((byte)6).correctLengthAtBuild(true).build();
		tcp_options.add(win_option);

		tcp_options.add(nop);
		tcp_options.add(nop);
		
		TcpSackPermittedOption sack_permit_option=TcpSackPermittedOption.getInstance();
		tcp_options.add(sack_permit_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);
//		IpV4Packet p4=builder_ipv4.build();
//		TcpPacket tcpPacket=builder_tcp.build();
		//selfAckTable.add(identification);
		//System.out.println("自定义确认 "+" identification "+identification+" ack_sequence "+ack_sequence+" # "+tcpPacket.getHeader());
		return p;

	}
Example #11
Source File: PacketUtils.java    From finalspeed-91yun with GNU General Public License v2.0 4 votes vote down vote up 
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);
	//System.out.println("自定义确认 "+" identification "+identification+" ack_sequence "+ack_sequence+" # "+tcpPacket.getHeader());
	return p;

}
Example #12
Source File: PacketUtils.java    From finalspeed-91yun with GNU General Public License v2.0 4 votes vote down vote up 
static Packet createAck(
		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());

	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(false);
	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);
	//System.out.println("自定义确认 "+" identification "+identification+" ack_sequence "+ack_sequence+" # "+tcpPacket.getHeader());
	return p;

}
Example #13
Source File: PacketUtils.java    From finalspeed-91yun with GNU General Public License v2.0 4 votes vote down vote up 
static Packet createDataPacket(
		MacAddress srcAddress_mac,
		MacAddress dstAddrress_mac,
		Inet4Address srcAddress,short srcPort,
		Inet4Address dstAddress,short dstPort,
		int sequence,int ack, byte[] data,short ident){
	Packet p=null;

	TcpPacket.Builder builder_tcp=new TcpPacket.Builder();
	builder_tcp.payloadBuilder(new UnknownPacket.Builder().rawData(data));
	builder_tcp.correctChecksumAtBuild(true);
	builder_tcp.correctLengthAtBuild(true);
	builder_tcp.paddingAtBuild(true);
	builder_tcp.ack(true);
	builder_tcp.acknowledgmentNumber(ack);
	//builder_tcp.checksum(tcpHeader.getChecksum());
	//builder_tcp.dataOffset((byte)8);
	builder_tcp.dstAddr(dstAddress);
	builder_tcp.dstPort(new TcpPort( dstPort,""));
	builder_tcp.fin(false);
	//builder_tcp.options(tcpHeader.getOptions());
	//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(false);
	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.dontFragmentFlag(true);
	builder_ipv4.paddingAtBuild(true);
	builder_ipv4.dstAddr(dstAddress);
	builder_ipv4.fragmentOffset( (short)0);
	//builder_ipv4.headerChecksum(ipV4Header.getHeaderChecksum());
	//short identification= Math.abs(random.nextInt(Short.MAX_VALUE));
	//identification=ident;
	builder_ipv4.identification(ident);
	builder_ipv4.ihl((byte) 5);
	builder_ipv4.moreFragmentFlag(false);
	//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);

	p = buildIpV4(srcAddress_mac,dstAddrress_mac,builder_ipv4);

	return p;
}
Example #14
Source File: PacketUtils.java    From finalspeed-91yun with GNU General Public License v2.0 4 votes vote down vote up 
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 #15
Source File: PacketUtils.java    From NSS with Apache License 2.0 4 votes vote down vote up 
static Packet createSync(
			MacAddress srcAddress_mac,
			MacAddress dstAddrress_mac,
			Inet4Address srcAddress,short srcPort,
			Inet4Address dstAddress,short dstPort,
			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());
		
		TcpNoOperationOption nop= TcpNoOperationOption.getInstance();
		
		ArrayList<TcpOption> tcp_options=new ArrayList<TcpOption>();
		
		TcpMaximumSegmentSizeOption seg_option=new TcpMaximumSegmentSizeOption.Builder().maxSegSize(mtu).correctLengthAtBuild(true).build();
		tcp_options.add(seg_option);

		tcp_options.add(nop);

		TcpWindowScaleOption win_option=new TcpWindowScaleOption.Builder().shiftCount((byte)6).correctLengthAtBuild(true).build();
		tcp_options.add(win_option);

		tcp_options.add(nop);
		tcp_options.add(nop);
		
		TcpSackPermittedOption sack_permit_option= TcpSackPermittedOption.getInstance();
		tcp_options.add(sack_permit_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);
//		IpV4Packet p4=builder_ipv4.build();
//		TcpPacket tcpPacket=builder_tcp.build();
		//selfAckTable.add(identification);
		//System.out.println("自定义确认 "+" identification "+identification+" ack_sequence "+ack_sequence+" # "+tcpPacket.getHeader());
		return p;

	}
Example #16
Source File: PacketUtils.java    From NSS with Apache License 2.0 4 votes vote down vote up 
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);
	//System.out.println("自定义确认 "+" identification "+identification+" ack_sequence "+ack_sequence+" # "+tcpPacket.getHeader());
	return p;

}
Example #17
Source File: PacketUtils.java    From NSS with Apache License 2.0 4 votes vote down vote up 
static Packet createAck(
		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());

	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(false);
	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);
	//System.out.println("自定义确认 "+" identification "+identification+" ack_sequence "+ack_sequence+" # "+tcpPacket.getHeader());
	return p;

}
Example #18
Source File: PacketUtils.java    From NSS with Apache License 2.0 4 votes vote down vote up 
static Packet createDataPacket(
		MacAddress srcAddress_mac,
		MacAddress dstAddrress_mac,
		Inet4Address srcAddress,short srcPort,
		Inet4Address dstAddress,short dstPort,
		int sequence,int ack, byte[] data,short ident){
	Packet p=null;

	TcpPacket.Builder builder_tcp=new TcpPacket.Builder();
	builder_tcp.payloadBuilder(new UnknownPacket.Builder().rawData(data));
	builder_tcp.correctChecksumAtBuild(true);
	builder_tcp.correctLengthAtBuild(true);
	builder_tcp.paddingAtBuild(true);
	builder_tcp.ack(true);
	builder_tcp.acknowledgmentNumber(ack);
	//builder_tcp.checksum(tcpHeader.getChecksum());
	//builder_tcp.dataOffset((byte)8);
	builder_tcp.dstAddr(dstAddress);
	builder_tcp.dstPort(new TcpPort( dstPort,""));
	builder_tcp.fin(false);
	//builder_tcp.options(tcpHeader.getOptions());
	//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(false);
	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.dontFragmentFlag(true);
	builder_ipv4.paddingAtBuild(true);
	builder_ipv4.dstAddr(dstAddress);
	builder_ipv4.fragmentOffset( (short)0);
	//builder_ipv4.headerChecksum(ipV4Header.getHeaderChecksum());
	//short identification= Math.abs(random.nextInt(Short.MAX_VALUE));
	//identification=ident;
	builder_ipv4.identification(ident);
	builder_ipv4.ihl((byte) 5);
	builder_ipv4.moreFragmentFlag(false);
	//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);

	p = buildIpV4(srcAddress_mac,dstAddrress_mac,builder_ipv4);

	return p;
}
Example #19
Source File: PacketUtils.java    From NSS with Apache License 2.0 4 votes vote down vote up 
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 #20
Source File: TrexEthernetPacket.java    From trex-stateless-gui with Apache License 2.0 2 votes vote down vote up 
/**
 *
 * @param srcAddr
 */
public void setSrcAddr(String srcAddr) {
    this.srcAddr = MacAddress.getByName(srcAddr);
}
Example #21
Source File: TrexEthernetPacket.java    From trex-stateless-gui with Apache License 2.0 2 votes vote down vote up 
/**
 *
 * @return
 */
public MacAddress getSrcAddr() {
    return srcAddr;
}
Example #22
Source File: TrexEthernetPacket.java    From trex-stateless-gui with Apache License 2.0 2 votes vote down vote up 
/**
 *
 * @param dstAddr
 */
public void setDstAddr(String dstAddr) {
    this.dstAddr = MacAddress.getByName(dstAddr);
}
Example #23
Source File: TrexEthernetPacket.java    From trex-stateless-gui with Apache License 2.0 2 votes vote down vote up 
/**
 *
 * @return
 */
public MacAddress getDstAddr() {
    return dstAddr;
}