Examples with LispInfoRequest org.onosproject.lisp.msg.protocols.LispInfoRequest used on opensource projects

Example 1 with LispInfoRequest

use of org.onosproject.lisp.msg.protocols.LispInfoRequest in project onos by opennetworkinglab.

the class LispMapServer method processInfoRequest.

/**
 * Handles info-request message and replies with info-reply message.
 *
 * @param message info-request message
 * @return info-reply message
 */
LispInfoReply processInfoRequest(LispMessage message) {
    LispInfoRequest request = (LispInfoRequest) message;
    if (!checkInfoRequestAuthData(request)) {
        log.warn(INVALID_AUTHENTICATION_DATA_MSG, "Info-Request");
        return null;
    }
    NatAddressBuilder natBuilder = new NatAddressBuilder();
    try {
        LispAfiAddress msAddress = new LispIpv4Address(valueOf(InetAddress.getLocalHost()));
        natBuilder.withMsRlocAddress(msAddress);
        natBuilder.withMsUdpPortNumber((short) INFO_REPLY_PORT);
        // try to extract global ETR RLOC address from info-request
        IpAddress globalRlocIp = valueOf(request.getSender().getAddress());
        LispAfiAddress globalRlocAddress;
        if (globalRlocIp.isIp4()) {
            globalRlocAddress = new LispIpv4Address(globalRlocIp);
        } else {
            globalRlocAddress = new LispIpv6Address(globalRlocIp);
        }
        natBuilder.withGlobalEtrRlocAddress(globalRlocAddress);
        natBuilder.withEtrUdpPortNumber((short) request.getSender().getPort());
        natBuilder.withPrivateEtrRlocAddress(new LispNoAddress());
    // TODO: need to specify RTR addresses
    } catch (UnknownHostException e) {
        log.warn(FAILED_TO_FORMULATE_NAT_MSG, e);
    }
    InfoReplyBuilder replyBuilder = new DefaultInfoReplyBuilder();
    replyBuilder.withKeyId(request.getKeyId());
    replyBuilder.withAuthDataLength(valueOf(authConfig.lispAuthKeyId()).getHashLength());
    replyBuilder.withAuthKey(authConfig.lispAuthKey());
    replyBuilder.withNonce(request.getNonce());
    replyBuilder.withEidPrefix(request.getPrefix());
    replyBuilder.withMaskLength(request.getMaskLength());
    replyBuilder.withTtl(request.getTtl());
    replyBuilder.withNatLcafAddress(natBuilder.build());
    replyBuilder.withIsInfoReply(true);
    LispInfoReply reply = replyBuilder.build();
    reply.configSender(request.getSender());
    return reply;
}

Example 2 with LispInfoRequest

use of org.onosproject.lisp.msg.protocols.LispInfoRequest in project onos by opennetworkinglab.

the class LispMapServer method checkInfoRequestAuthData.

/**
 * Checks the integrity of the received info-request message by calculating
 * authentication data from received info-request message.
 *
 * @param request info-request message
 * @return evaluation result
 */
private boolean checkInfoRequestAuthData(LispInfoRequest request) {
    InfoRequestBuilder requestBuilder = new DefaultInfoRequestBuilder();
    requestBuilder.withKeyId(request.getKeyId());
    requestBuilder.withAuthKey(authConfig.lispAuthKey());
    requestBuilder.withNonce(request.getNonce());
    requestBuilder.withTtl(request.getTtl());
    requestBuilder.withEidPrefix(request.getPrefix());
    requestBuilder.withIsInfoReply(request.isInfoReply());
    requestBuilder.withMaskLength(request.getMaskLength());
    LispInfoRequest authRequest = requestBuilder.build();
    return Arrays.equals(authRequest.getAuthData(), request.getAuthData());
}