Package org.xbill.DNS

Examples of org.xbill.DNS.Message

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            public void process(Exchange exchange) throws Exception {
                SimpleResolver resolver = new SimpleResolver();
                int type = Type.TXT;
                Name name = Name.fromString(String.valueOf(exchange.getIn().getHeader(DnsConstants.TERM)) + ".wp.dg.cx", Name.root);
                Record rec = Record.newRecord(name, type, DClass.IN);
                Message query = Message.newQuery(rec);
                Message response = resolver.send(query);
                Record[] records = response.getSectionArray(Section.ANSWER);
                if (records.length > 0) {
                    exchange.getOut().setBody(records[0].rdataToString());
                } else {
                    exchange.getOut().setBody(null);
                }
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                    dclass = DClass.IN;
                }

                Name name = Name.fromString(exchange.getIn().getHeader(DnsConstants.DNS_NAME, String.class), Name.root);
                Record rec = Record.newRecord(name, type, dclass);
                Message query = Message.newQuery(rec);
                Message response = resolver.send(query);
                exchange.getOut().setBody(response);
            }
        };
    }
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    Name name = ReverseMap.fromAddress(hostIp);
    int type = Type.PTR;
    int dclass = DClass.IN;
    Record rec = Record.newRecord(name, type, dclass);
    Message query = Message.newQuery(rec);
    Message response = res.send(query);

    Record[] answers = response.getSectionArray(Section.ANSWER);
    if (answers.length == 0)
      return hostIp;
    else {
      String revaddr = answers[0].rdataToString();
      return revaddr.endsWith(".") ? revaddr.substring(0, revaddr.length() - 1) : revaddr;
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        Name name = ReverseMap.fromAddress(ip);
        int type = Type.PTR;
        int dclass = DClass.IN;
        Record rec = Record.newRecord(name, type, dclass);
        Message query = Message.newQuery(rec);
        Message response = res.send(query);

        Record[] answers = response.getSectionArray(Section.ANSWER);
        if (answers.length == 0) {
            return null;
        } else {
            return answers[0];
        }
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            maxLength = 512;

        if (queryOPT != null && (queryOPT.getFlags() & ExtendedFlags.DO) != 0)
            flags = FLAG_DNSSECOK;

        Message response = new Message(query.getHeader().getID());
        response.getHeader().setFlag(Flags.QR);
        if (query.getHeader().getFlag(Flags.RD))
            response.getHeader().setFlag(Flags.RD);
        response.addRecord(queryRecord, Section.QUESTION);

        Name name = queryRecord.getName();
        int type = queryRecord.getType();
        int dclass = queryRecord.getDClass();
        if (!Type.isRR(type) && type != Type.ANY)
            return errorMessage(query, Rcode.NOTIMP);

        byte rcode = addAnswer(response, name, type, dclass, 0, flags);
       
        // TIMEOUT
        if (rcode == -1) {
            return null;
        }
       
        if (rcode != Rcode.NOERROR && rcode != Rcode.NXDOMAIN)
            return errorMessage(query, rcode);

        addAdditional(response, flags);

        if (queryOPT != null) {
            int optflags = (flags == FLAG_DNSSECOK) ? ExtendedFlags.DO : 0;
            OPTRecord opt = new OPTRecord((short) 4096, rcode, (byte) 0,
                    optflags);
            response.addRecord(opt, Section.ADDITIONAL);
        }

        return response.toWire(maxLength);
    }
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        return response.toWire(maxLength);
    }

    byte[] buildErrorMessage(Header header, int rcode, Record question) {
        Message response = new Message();
        response.setHeader(header);
        for (int i = 0; i < 4; i++)
            response.removeAllRecords(i);
        if (rcode == Rcode.SERVFAIL)
            response.addRecord(question, Section.QUESTION);
        header.setRcode(rcode);
        return response.toWire();
    }
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    public byte[] errorMessage(Message query, int rcode) {
        return buildErrorMessage(query.getHeader(), rcode, query.getQuestion());
    }

    public byte[] generateReply(byte[] in, int length) {
        Message query;
        byte[] response = null;
        try {
            query = new Message(in);
            response = generateReply(query, length, null);
        } catch (IOException e) {
            response = formerrMessage(in);
        }
        return response;
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    Name name = ReverseMap.fromAddress(hostIp);
    int type = Type.PTR;
    int dclass = DClass.IN;
    Record rec = Record.newRecord(name, type, dclass);
    Message query = Message.newQuery(rec);
    Message response = res.send(query);

    Record[] answers = response.getSectionArray(Section.ANSWER);
    if (answers.length == 0) {
      // Fall back to standard Java: in contrast to dnsjava, this also reads /etc/hosts
      return new InetSocketAddress(hostIp, 0).getAddress().getCanonicalHostName();
    } else {
      String revaddr = answers[0].rdataToString();
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            getLogger().debug(new StringBuffer(256)
                             .append("Looking up MX record for ")
                             .append(name)
                             .toString());
            Record question = Record.newRecord(name, type, dclass);
            Message query = Message.newQuery(question);
            Message response = null;

            try {
                response = resolver.send(query);
            }
            catch (Exception ex) {
                getLogger().warn("Query error!", ex);
                return null;
            }

            int rcode = response.getHeader().getRcode();
            if (rcode == Rcode.NOERROR || rcode == Rcode.NXDOMAIN) {
                cached = cache.addMessage(response);
                if (cached != null && cached.isSuccessful()) {
                    return processSetResponse(cached);
                }
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            public void process(Exchange exchange) throws Exception {
                SimpleResolver resolver = new SimpleResolver();
                int type = Type.TXT;
                Name name = Name.fromString(String.valueOf(exchange.getIn().getHeader(DnsConstants.TERM)) + ".wp.dg.cx", Name.root);
                Record rec = Record.newRecord(name, type, DClass.IN);
                Message query = Message.newQuery(rec);
                Message response = resolver.send(query);
                Record[] records = response.getSectionArray(Section.ANSWER);
                if (records.length > 0) {
                    exchange.getIn().setBody(records[0].rdataToString());
                } else {
                    exchange.getIn().setBody(null);
                }
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  • io.covert.dns.parse.ParseMapper
  • io.covert.dns.util.DumpResponses
  • io.fabric8.dns.DnsDatagramPacketHandler
  • io.fabric8.dns.FabricZoneManager
  • kg.apc.jmeter.samplers.DNSJavaDecoderToRawData
  • net.ripe.hadoop.pcap.DnsPcapReader
  • net.windwards.dnsfrontend.frontend.ResolveTask
  • net.windwards.dnsfrontend.frontend.TestComplexSetup
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