Examples with DHCP6 org.onlab.packet.DHCP6 used on opensource projects

Example 6 with DHCP6

use of org.onlab.packet.DHCP6 in project onos by opennetworkinglab.

the class Dhcp6RelayTest method serializeSolicit.

/**
 * Test serialize relay message with solicit message.
 *
 * @throws Exception exception while serialize the DHCPv6 payload
 */
@Test
public void serializeSolicit() throws Exception {
    DHCP6 relayMsg = new DHCP6();
    relayMsg.setMsgType(DHCP6.MsgType.RELAY_FORW.value());
    relayMsg.setHopCount((byte) HOP_COUNT);
    relayMsg.setLinkAddress(LINK_ADDRESS.toOctets());
    relayMsg.setPeerAddress(PEER_ADDRESS.toOctets());
    DHCP6 relaiedDhcp6 = new DHCP6();
    relaiedDhcp6.setMsgType(DHCP6.MsgType.SOLICIT.value());
    relaiedDhcp6.setTransactionId(XID_1);
    List<Dhcp6Option> options = Lists.newArrayList();
    // Client ID
    Dhcp6Duid duid = new Dhcp6Duid();
    duid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    duid.setHardwareType((short) 1);
    duid.setDuidTime(CLIENT_DUID_TIME);
    duid.setLinkLayerAddress(CLIENT_MAC.toBytes());
    Dhcp6ClientIdOption clientIdOption = new Dhcp6ClientIdOption();
    clientIdOption.setDuid(duid);
    options.add(clientIdOption);
    // Option request
    Dhcp6Option option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.ORO.value());
    option.setLength((short) 8);
    option.setData(new byte[] { 0, 23, 0, 24, 0, 39, 0, 31 });
    options.add(option);
    // Elapsed Time
    option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.ELAPSED_TIME.value());
    option.setLength((short) 2);
    option.setData(new byte[] { 0, 0 });
    options.add(option);
    // IA NA
    Dhcp6IaNaOption iaNaOption = new Dhcp6IaNaOption();
    iaNaOption.setIaId(IA_ID);
    iaNaOption.setT1(T1_CLIENT);
    iaNaOption.setT2(T2_CLIENT);
    Dhcp6IaAddressOption iaAddressOption = new Dhcp6IaAddressOption();
    iaAddressOption.setIp6Address(IA_ADDRESS);
    iaAddressOption.setPreferredLifetime(PREFFERRED_LT_REQ);
    iaAddressOption.setValidLifetime(VALID_LT_REQ);
    iaNaOption.setOptions(ImmutableList.of(iaAddressOption));
    options.add(iaNaOption);
    relaiedDhcp6.setOptions(options);
    Dhcp6RelayOption relayOption = new Dhcp6RelayOption();
    relayOption.setPayload(relaiedDhcp6);
    Dhcp6Option subscriberId = new Dhcp6Option();
    subscriberId.setCode(DHCP6.OptionCode.SUBSCRIBER_ID.value());
    subscriberId.setLength((short) 10);
    subscriberId.setData(SERVER_IP.toString().getBytes(US_ASCII));
    relayMsg.setOptions(ImmutableList.of(subscriberId, relayOption));
    UDP udp = new UDP();
    udp.setSourcePort(UDP.DHCP_V6_SERVER_PORT);
    udp.setDestinationPort(UDP.DHCP_V6_SERVER_PORT);
    udp.setPayload(relayMsg);
    udp.setChecksum((short) 0x9a99);
    IPv6 ipv6 = new IPv6();
    ipv6.setHopLimit((byte) 32);
    ipv6.setSourceAddress(DOWNSTREAM_LL.toOctets());
    ipv6.setDestinationAddress(DHCP6_BRC.toOctets());
    ipv6.setNextHeader(IPv6.PROTOCOL_UDP);
    ipv6.setTrafficClass((byte) 0);
    ipv6.setFlowLabel(0x000cbf64);
    ipv6.setPayload(udp);
    Ethernet eth = new Ethernet();
    eth.setDestinationMACAddress(IPV6_MCAST);
    eth.setSourceMACAddress(DOWNSTREAM_MAC);
    eth.setEtherType(Ethernet.TYPE_IPV6);
    eth.setPayload(ipv6);
    assertArrayEquals(Resources.toByteArray(Dhcp6RelayTest.class.getResource(SOLICIT)), eth.serialize());
}

Example 7 with DHCP6

use of org.onlab.packet.DHCP6 in project onos by opennetworkinglab.

the class Dhcp6RelayTest method serializeAdvertise.

/**
 * Test serialize relay message with advertise message.
 *
 * @throws Exception exception while serialize the DHCPv6 payload
 */
@Test
public void serializeAdvertise() throws Exception {
    DHCP6 relayMsg = new DHCP6();
    relayMsg.setMsgType(DHCP6.MsgType.RELAY_REPL.value());
    relayMsg.setHopCount((byte) HOP_COUNT);
    relayMsg.setLinkAddress(LINK_ADDRESS.toOctets());
    relayMsg.setPeerAddress(PEER_ADDRESS.toOctets());
    DHCP6 relaiedDhcp6 = new DHCP6();
    relaiedDhcp6.setMsgType(DHCP6.MsgType.ADVERTISE.value());
    relaiedDhcp6.setTransactionId(XID_1);
    List<Dhcp6Option> options = Lists.newArrayList();
    // IA address
    Dhcp6IaAddressOption iaAddressOption = new Dhcp6IaAddressOption();
    iaAddressOption.setIp6Address(IA_ADDRESS);
    iaAddressOption.setPreferredLifetime(PREFFERRED_LT_SERVER);
    iaAddressOption.setValidLifetime(VALID_LT_SERVER);
    // IA NA
    Dhcp6IaNaOption iaNaOption = new Dhcp6IaNaOption();
    iaNaOption.setIaId(IA_ID);
    iaNaOption.setT1(T1_SERVER);
    iaNaOption.setT2(T2_SERVER);
    iaNaOption.setOptions(ImmutableList.of(iaAddressOption));
    options.add(iaNaOption);
    // Client ID
    Dhcp6Duid duid = new Dhcp6Duid();
    duid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    duid.setHardwareType((short) 1);
    duid.setDuidTime(CLIENT_DUID_TIME);
    duid.setLinkLayerAddress(CLIENT_MAC.toBytes());
    Dhcp6ClientIdOption clientIdOption = new Dhcp6ClientIdOption();
    clientIdOption.setDuid(duid);
    options.add(clientIdOption);
    // Server ID
    Dhcp6Option option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.SERVERID.value());
    option.setLength((short) 14);
    Dhcp6Duid serverDuid = new Dhcp6Duid();
    serverDuid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    serverDuid.setLinkLayerAddress(SERVER_MAC.toBytes());
    serverDuid.setHardwareType((short) 1);
    serverDuid.setDuidTime(0x211e5340);
    option.setData(serverDuid.serialize());
    options.add(option);
    relaiedDhcp6.setOptions(options);
    Dhcp6RelayOption relayOption = new Dhcp6RelayOption();
    relayOption.setPayload(relaiedDhcp6);
    relayMsg.setOptions(ImmutableList.of(relayOption));
    UDP udp = new UDP();
    udp.setSourcePort(UDP.DHCP_V6_SERVER_PORT);
    udp.setDestinationPort(UDP.DHCP_V6_SERVER_PORT);
    udp.setPayload(relayMsg);
    udp.setChecksum((short) 0x0000019d);
    IPv6 ipv6 = new IPv6();
    ipv6.setHopLimit((byte) 64);
    ipv6.setSourceAddress(SERVER_LL.toOctets());
    ipv6.setDestinationAddress(DOWNSTREAM_LL.toOctets());
    ipv6.setNextHeader(IPv6.PROTOCOL_UDP);
    ipv6.setTrafficClass((byte) 0);
    ipv6.setFlowLabel(0x000c72ef);
    ipv6.setPayload(udp);
    Ethernet eth = new Ethernet();
    eth.setDestinationMACAddress(DOWNSTREAM_MAC);
    eth.setSourceMACAddress(SERVER_MAC);
    eth.setEtherType(Ethernet.TYPE_IPV6);
    eth.setPayload(ipv6);
    assertArrayEquals(Resources.toByteArray(Dhcp6RelayTest.class.getResource(ADVERTISE)), eth.serialize());
}

Example 8 with DHCP6

use of org.onlab.packet.DHCP6 in project onos by opennetworkinglab.

the class Dhcp6RelayTest method serializeReply.

@Test
public void serializeReply() throws Exception {
    DHCP6 relayMsg = new DHCP6();
    relayMsg.setMsgType(DHCP6.MsgType.RELAY_REPL.value());
    relayMsg.setHopCount((byte) HOP_COUNT);
    relayMsg.setLinkAddress(LINK_ADDRESS.toOctets());
    relayMsg.setPeerAddress(PEER_ADDRESS.toOctets());
    DHCP6 relaiedDhcp6 = new DHCP6();
    relaiedDhcp6.setMsgType(DHCP6.MsgType.REPLY.value());
    relaiedDhcp6.setTransactionId(XID_2);
    List<Dhcp6Option> options = Lists.newArrayList();
    // IA address
    Dhcp6IaAddressOption iaAddressOption = new Dhcp6IaAddressOption();
    iaAddressOption.setIp6Address(IA_ADDRESS);
    iaAddressOption.setPreferredLifetime(PREFFERRED_LT_SERVER);
    iaAddressOption.setValidLifetime(VALID_LT_SERVER);
    // IA NA
    Dhcp6IaNaOption iaNaOption = new Dhcp6IaNaOption();
    iaNaOption.setIaId(IA_ID);
    iaNaOption.setT1(T1_SERVER);
    iaNaOption.setT2(T2_SERVER);
    iaNaOption.setOptions(ImmutableList.of(iaAddressOption));
    options.add(iaNaOption);
    // Client ID
    Dhcp6Duid duid = new Dhcp6Duid();
    duid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    duid.setHardwareType((short) 1);
    duid.setDuidTime(CLIENT_DUID_TIME);
    duid.setLinkLayerAddress(CLIENT_MAC.toBytes());
    Dhcp6ClientIdOption clientIdOption = new Dhcp6ClientIdOption();
    clientIdOption.setDuid(duid);
    options.add(clientIdOption);
    // Server ID
    Dhcp6Option option = new Dhcp6Option();
    option.setCode(DHCP6.OptionCode.SERVERID.value());
    option.setLength((short) 14);
    Dhcp6Duid serverDuid = new Dhcp6Duid();
    serverDuid.setDuidType(Dhcp6Duid.DuidType.DUID_LLT);
    serverDuid.setLinkLayerAddress(SERVER_MAC.toBytes());
    serverDuid.setHardwareType((short) 1);
    serverDuid.setDuidTime(0x211e5340);
    option.setData(serverDuid.serialize());
    options.add(option);
    relaiedDhcp6.setOptions(options);
    Dhcp6RelayOption relayOption = new Dhcp6RelayOption();
    relayOption.setPayload(relaiedDhcp6);
    relayMsg.setOptions(ImmutableList.of(relayOption));
    UDP udp = new UDP();
    udp.setSourcePort(UDP.DHCP_V6_SERVER_PORT);
    udp.setDestinationPort(UDP.DHCP_V6_SERVER_PORT);
    udp.setPayload(relayMsg);
    udp.setChecksum((short) 0x019d);
    IPv6 ipv6 = new IPv6();
    ipv6.setHopLimit((byte) 64);
    ipv6.setSourceAddress(SERVER_LL.toOctets());
    ipv6.setDestinationAddress(DOWNSTREAM_LL.toOctets());
    ipv6.setNextHeader(IPv6.PROTOCOL_UDP);
    ipv6.setTrafficClass((byte) 0);
    ipv6.setFlowLabel(0x000c72ef);
    ipv6.setPayload(udp);
    Ethernet eth = new Ethernet();
    eth.setDestinationMACAddress(DOWNSTREAM_MAC);
    eth.setSourceMACAddress(SERVER_MAC);
    eth.setEtherType(Ethernet.TYPE_IPV6);
    eth.setPayload(ipv6);
    assertArrayEquals(Resources.toByteArray(Dhcp6RelayTest.class.getResource(REPLY)), eth.serialize());
}

Example 9 with DHCP6

use of org.onlab.packet.DHCP6 in project onos by opennetworkinglab.

the class Dhcp6RelayTest method deserializeRequest.

/**
 * Test deserialize relay message with request message.
 *
 * @throws Exception exception while deserialize the DHCPv6 payload
 */
@Test
public void deserializeRequest() throws Exception {
    byte[] data = Resources.toByteArray(getClass().getResource(REQUEST));
    Ethernet eth = Ethernet.deserializer().deserialize(data, 0, data.length);
    DHCP6 relayMsg = (DHCP6) eth.getPayload().getPayload().getPayload();
    assertEquals(relayMsg.getMsgType(), DHCP6.MsgType.RELAY_FORW.value());
    assertEquals(relayMsg.getHopCount(), HOP_COUNT);
    assertEquals(relayMsg.getIp6LinkAddress(), LINK_ADDRESS);
    assertEquals(relayMsg.getIp6PeerAddress(), PEER_ADDRESS);
    assertEquals(relayMsg.getOptions().size(), 2);
    Dhcp6Option option = relayMsg.getOptions().get(0);
    assertEquals(option.getCode(), DHCP6.OptionCode.SUBSCRIBER_ID.value());
    assertEquals(option.getLength(), 10);
    assertArrayEquals(option.getData(), SERVER_IP.toString().getBytes(US_ASCII));
    option = relayMsg.getOptions().get(1);
    assertEquals(option.getCode(), DHCP6.OptionCode.RELAY_MSG.value());
    assertEquals(option.getLength(), 102);
    assertTrue(option.getPayload() instanceof DHCP6);
    DHCP6 relaiedDhcp6 = (DHCP6) option.getPayload();
    assertEquals(relaiedDhcp6.getMsgType(), DHCP6.MsgType.REQUEST.value());
    assertEquals(relaiedDhcp6.getTransactionId(), XID_2);
    assertEquals(relaiedDhcp6.getOptions().size(), 5);
    // Client ID
    option = relaiedDhcp6.getOptions().get(0);
    assertTrue(option instanceof Dhcp6ClientIdOption);
    Dhcp6ClientIdOption clientIdOption = (Dhcp6ClientIdOption) option;
    assertEquals(clientIdOption.getCode(), DHCP6.OptionCode.CLIENTID.value());
    assertEquals(clientIdOption.getLength(), 14);
    assertEquals(clientIdOption.getDuid().getDuidType(), Dhcp6Duid.DuidType.DUID_LLT);
    assertEquals(clientIdOption.getDuid().getHardwareType(), 1);
    assertEquals(clientIdOption.getDuid().getDuidTime(), CLIENT_DUID_TIME);
    assertArrayEquals(clientIdOption.getDuid().getLinkLayerAddress(), CLIENT_MAC.toBytes());
    // Server ID
    option = relaiedDhcp6.getOptions().get(1);
    assertEquals(option.getCode(), DHCP6.OptionCode.SERVERID.value());
    assertEquals(option.getLength(), 14);
    Dhcp6Duid serverDuid = Dhcp6Duid.deserializer().deserialize(option.getData(), 0, option.getData().length);
    assertEquals(serverDuid.getDuidType(), Dhcp6Duid.DuidType.DUID_LLT);
    assertEquals(serverDuid.getDuidTime(), 0x211e5340);
    assertEquals(serverDuid.getHardwareType(), 1);
    assertArrayEquals(serverDuid.getLinkLayerAddress(), SERVER_MAC.toBytes());
    // Option Request
    option = relaiedDhcp6.getOptions().get(2);
    assertEquals(option.getCode(), DHCP6.OptionCode.ORO.value());
    assertEquals(option.getLength(), 8);
    assertArrayEquals(option.getData(), new byte[] { 0, 23, 0, 24, 0, 39, 0, 31 });
    // ELAPSED_TIME
    option = relaiedDhcp6.getOptions().get(3);
    assertEquals(option.getCode(), DHCP6.OptionCode.ELAPSED_TIME.value());
    assertEquals(option.getLength(), 2);
    assertArrayEquals(option.getData(), new byte[] { 0, 0 });
    // IA NA
    option = relaiedDhcp6.getOptions().get(4);
    assertTrue(option instanceof Dhcp6IaNaOption);
    Dhcp6IaNaOption iaNaOption = (Dhcp6IaNaOption) option;
    assertEquals(iaNaOption.getCode(), DHCP6.OptionCode.IA_NA.value());
    assertEquals(iaNaOption.getLength(), 40);
    assertEquals(iaNaOption.getIaId(), IA_ID);
    assertEquals(iaNaOption.getT1(), T1_CLIENT);
    assertEquals(iaNaOption.getT2(), T2_CLIENT);
    assertEquals(iaNaOption.getOptions().size(), 1);
    // IA Address (in IA NA)
    assertTrue(iaNaOption.getOptions().get(0) instanceof Dhcp6IaAddressOption);
    Dhcp6IaAddressOption iaAddressOption = (Dhcp6IaAddressOption) iaNaOption.getOptions().get(0);
    assertEquals(iaAddressOption.getIp6Address(), IA_ADDRESS);
    assertEquals(iaAddressOption.getPreferredLifetime(), PREFFERRED_LT_REQ);
    assertEquals(iaAddressOption.getValidLifetime(), VALID_LT_REQ_2);
    assertNull(iaAddressOption.getOptions());
    assertArrayEquals(data, eth.serialize());
}

Example 10 with DHCP6

use of org.onlab.packet.DHCP6 in project onos by opennetworkinglab.

the class Dhcp6HandlerImpl method removeHostOrRoute.

/**
 * remove host or route and update dhcp relay record attributes.
 *
 * @param directConnFlag  flag to show that packet is from directly connected client
 * @param location  client side connect point
 * @param dhcp6Packet the dhcp6 payload
 * @param clientPacket client's ethernet packet
 * @param clientIpv6 client's Ipv6 packet
 * @param clientInterface client interfaces
 */
private void removeHostOrRoute(boolean directConnFlag, ConnectPoint location, DHCP6 dhcp6Packet, Ethernet clientPacket, IPv6 clientIpv6, Interface clientInterface) {
    log.debug("removeHostOrRoute  enters {}", dhcp6Packet);
    VlanId vlanId = clientInterface.vlan();
    // could be gw or host
    MacAddress srcMac = clientPacket.getSourceMAC();
    MacAddress leafClientMac;
    byte leafMsgType;
    log.debug("client mac {} client vlan {}", HexString.toHexString(srcMac.toBytes(), ":"), vlanId);
    Dhcp6ClientIdOption clientIdOption = Dhcp6HandlerUtil.extractClientId(directConnFlag, dhcp6Packet);
    if (clientIdOption != null) {
        if ((clientIdOption.getDuid().getDuidType() == Dhcp6Duid.DuidType.DUID_LLT) || (clientIdOption.getDuid().getDuidType() == Dhcp6Duid.DuidType.DUID_LL)) {
            leafClientMac = MacAddress.valueOf(clientIdOption.getDuid().getLinkLayerAddress());
        } else {
            log.warn("Link-Layer Address not supported in CLIENTID option. No DhcpRelay Record created.");
            // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_FAIL);
            return;
        }
    } else {
        log.warn("CLIENTID option NOT found. Don't create DhcpRelay Record.");
        // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_CLIENTID_FAIL);
        return;
    }
    HostId leafHostId = HostId.hostId(leafClientMac, vlanId);
    DhcpRecord record = dhcpRelayStore.getDhcpRecord(leafHostId).orElse(null);
    if (record == null) {
        record = new DhcpRecord(leafHostId);
    } else {
        record = record.clone();
    }
    Boolean isMsgRelease = Dhcp6HandlerUtil.isDhcp6Release(dhcp6Packet);
    IpAddressInfo ipInfo;
    PdPrefixInfo pdInfo = null;
    if (directConnFlag) {
        // Add to host store if it is connected to network directly
        ipInfo = extractIpAddress(dhcp6Packet);
        if (ipInfo != null) {
            if (isMsgRelease) {
                HostId hostId = HostId.hostId(srcMac, vlanId);
                log.debug("remove Host {} ip for directly connected.", hostId.toString());
                providerService.removeIpFromHost(hostId, ipInfo.ip6Address);
            }
        } else {
            log.debug("ipAddress not found. Do not remove Host {} for directly connected.", HostId.hostId(srcMac, vlanId).toString());
        }
        leafMsgType = dhcp6Packet.getMsgType();
    } else {
        // Remove from route store if it is not connected to network directly
        // pick out the first link-local ip address
        IpAddress nextHopIp = getFirstIpByHost(directConnFlag, srcMac, vlanId);
        if (nextHopIp == null) {
            log.warn("Can't find link-local IP address of gateway mac {} vlanId {}", srcMac, vlanId);
            // dhcpRelayCountersStore.incrementCounter(gCount, DhcpRelayCounters.NO_LINKLOCAL_GW);
            return;
        }
        DHCP6 leafDhcp = Dhcp6HandlerUtil.getDhcp6Leaf(dhcp6Packet);
        ipInfo = extractIpAddress(leafDhcp);
        if (ipInfo == null) {
            log.debug("ip is null");
        } else {
            if (isMsgRelease) {
                Route routeForIP = new Route(Route.Source.DHCP, ipInfo.ip6Address.toIpPrefix(), nextHopIp);
                log.debug("removing route of 128 address for indirectly connected.");
                log.debug("128 ip {}, nexthop {}", HexString.toHexString(ipInfo.ip6Address.toOctets(), ":"), HexString.toHexString(nextHopIp.toOctets(), ":"));
                routeStore.removeRoute(routeForIP);
            }
        }
        pdInfo = extractPrefix(leafDhcp);
        if (pdInfo == null) {
            log.debug("ipPrefix is null ");
        } else {
            if (isMsgRelease) {
                Route routeForPrefix = new Route(Route.Source.DHCP, pdInfo.pdPrefix, nextHopIp);
                log.debug("removing route of PD for indirectly connected.");
                log.debug("pd ip {}, nexthop {}", HexString.toHexString(pdInfo.pdPrefix.address().toOctets(), ":"), HexString.toHexString(nextHopIp.toOctets(), ":"));
                routeStore.removeRoute(routeForPrefix);
                if (this.dhcpFpmEnabled) {
                    dhcpFpmPrefixStore.removeFpmRecord(pdInfo.pdPrefix);
                }
            }
        }
        leafMsgType = leafDhcp.getMsgType();
    }
    if (isMsgRelease) {
        log.debug("DHCP6 RELEASE msg.");
        if (record != null) {
            if (ipInfo != null) {
                log.debug("DhcpRelay Record ip6Address is set to null.");
                record.ip6Address(null);
            }
            if (pdInfo != null) {
                log.debug("DhcpRelay Record pdPrefix is set to null.");
            }
            if (!record.ip6Address().isPresent() && !record.pdPrefix().isPresent()) {
                log.warn("IP6 address and IP6 PD both are null. Remove record.");
            // do not remove a record. Let timer task handler it.
            // dhcpRelayStore.removeDhcpRecord(HostId.hostId(leafClientMac, vlanId));
            }
        }
    }
    if (record != null) {
        record.getV6Counters().incrementCounter(Dhcp6HandlerUtil.getMsgTypeStr(leafMsgType));
        record.addLocation(new HostLocation(location, System.currentTimeMillis()));
        record.ip6Status(DHCP6.MsgType.getType(leafMsgType));
        record.setDirectlyConnected(directConnFlag);
        if (!directConnFlag) {
            // Update gateway mac address if the host is not directly connected
            record.nextHop(srcMac);
        }
        record.updateLastSeen();
    }
    dhcpRelayStore.updateDhcpRecord(leafHostId, record);
/*
        // TODO Use AtomicInteger for the counters
        try {
            recordSemaphore.acquire();
            try {
                dhcpRelayCountersStore.incrementCounter(gCount, Dhcp6HandlerUtil.getMsgTypeStr(leafMsgType));
            } finally {
                // calling release() after a successful acquire()
                recordSemaphore.release();
            }
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
        }
        */
}