Package org.xbill.DNS

Examples of org.xbill.DNS.SetResponse

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    addAdditional2(response, Section.ANSWER, flags);
    addAdditional2(response, Section.AUTHORITY, flags);
  }

  private byte addAnswer(Message response, Name name, int type, int dclass, int iterations, int flags) {
    SetResponse sr;
    byte rcode = Rcode.NOERROR;

    if (iterations > 6) {
      return Rcode.NOERROR;
    }

    if (type == Type.SIG || type == Type.RRSIG) {
      type = Type.ANY;
      flags |= FLAG_SIGONLY;
    }

    Zone zone = findBestZone(name);
    if (zone != null) {
      sr = zone.findRecords(name, type);

      if (sr.isNXDOMAIN()) {
        response.getHeader().setRcode(Rcode.NXDOMAIN);
        if (zone != null) {
          addSOA(response, zone);
          if (iterations == 0) {
            response.getHeader().setFlag(Flags.AA);
          }
        }
        rcode = Rcode.NXDOMAIN;
      } else if (sr.isNXRRSET()) {
        if (zone != null) {
          addSOA(response, zone);
          if (iterations == 0) {
            response.getHeader().setFlag(Flags.AA);
          }
        }
      } else if (sr.isDelegation()) {
        RRset nsRecords = sr.getNS();
        addRRset(nsRecords.getName(), response, nsRecords, Section.AUTHORITY, flags);
      } else if (sr.isCNAME()) {
        CNAMERecord cname = sr.getCNAME();
        RRset rrset = new RRset(cname);
        addRRset(name, response, rrset, Section.ANSWER, flags);
        if (zone != null && iterations == 0) {
          response.getHeader().setFlag(Flags.AA);
        }
        rcode = addAnswer(response, cname.getTarget(), type, dclass, iterations + 1, flags);
      } else if (sr.isDNAME()) {
        DNAMERecord dname = sr.getDNAME();
        RRset rrset = new RRset(dname);
        addRRset(name, response, rrset, Section.ANSWER, flags);
        Name newname;
        try {
          newname = name.fromDNAME(dname);
        } catch (NameTooLongException e) {
          return Rcode.YXDOMAIN;
        }
        rrset = new RRset(new CNAMERecord(name, dclass, 0, newname));
        addRRset(name, response, rrset, Section.ANSWER, flags);
        if (zone != null && iterations == 0) {
          response.getHeader().setFlag(Flags.AA);
        }
        rcode = addAnswer(response, newname, type, dclass, iterations + 1, flags);
      } else if (sr.isSuccessful()) {
        RRset[] rrsets = sr.answers();
        for (RRset rrset : rrsets) {
          addRRset(name, response, rrset, Section.ANSWER, flags);
        }
        if (zone != null) {
          addNS(response, zone, flags);
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        return null;
        //return zone.findExactMatch(name, Type.A);
    }

    private SetResponse findRecords(Name name, int type) {
        SetResponse sr = zone.findRecords(name, type);
       
        if (sr == null || sr.answers() == null || sr.answers().length == 0) {
            boolean timeout = timeoutServers.contains(name);
            if (timeout) {
                try {
                    Thread.sleep(2100);
                }
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        addAdditional2(response, Section.AUTHORITY, flags);
    }

    byte addAnswer(Message response, Name name, int type, int dclass,
            int iterations, int flags) {
        SetResponse sr;
        byte rcode = Rcode.NOERROR;

        if (iterations > 6)
            return Rcode.NOERROR;

        if (type == Type.SIG || type == Type.RRSIG) {
            type = Type.ANY;
            flags |= FLAG_SIGONLY;
        }

        sr = findRecords(name, type);

        // TIMEOUT
        if (sr == null) {
            return -1;
        }
       
        if (sr.isNXDOMAIN() || sr.isNXRRSET()) {
            if (sr.isNXDOMAIN())
                response.getHeader().setRcode(Rcode.NXDOMAIN);

            response.addRecord(findSOARecord(), Section.AUTHORITY);

            if (iterations == 0)
                response.getHeader().setFlag(Flags.AA);

            rcode = Rcode.NXDOMAIN;

        } else if (sr.isDelegation()) {
            RRset nsRecords = sr.getNS();
            addRRset(nsRecords.getName(), response, nsRecords,
                    Section.AUTHORITY, flags);
        } else if (sr.isCNAME()) {
            CNAMERecord cname = sr.getCNAME();
            RRset rrset = new RRset(cname);
            addRRset(name, response, rrset, Section.ANSWER, flags);
            if (iterations == 0)
                response.getHeader().setFlag(Flags.AA);
            rcode = addAnswer(response, cname.getTarget(), type, dclass,
                    iterations + 1, flags);
        } else if (sr.isDNAME()) {
            DNAMERecord dname = sr.getDNAME();
            RRset rrset = new RRset(dname);
            addRRset(name, response, rrset, Section.ANSWER, flags);
            Name newname;
            try {
                newname = name.fromDNAME(dname);
            } catch (NameTooLongException e) {
                return Rcode.YXDOMAIN;
            }
            rrset = new RRset(new CNAMERecord(name, dclass, 0, newname));
            addRRset(name, response, rrset, Section.ANSWER, flags);
            if (iterations == 0)
                response.getHeader().setFlag(Flags.AA);
            rcode = addAnswer(response, newname, type, dclass, iterations + 1,
                    flags);
        } else if (sr.isSuccessful()) {
            RRset[] rrsets = sr.answers();
            for (int i = 0; i < rrsets.length; i++)
                addRRset(name, response, rrsets[i], Section.ANSWER, flags);

            RRset findNSRecords = findNSRecords();
            addRRset(findNSRecords.getName(), response, findNSRecords,
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        return null;
        //return zone.findExactMatch(name, Type.A);
    }

    private SetResponse findRecords(Name name, int type) {
        SetResponse sr = zone.findRecords(name, type);
       
        if (sr == null || sr.answers() == null || sr.answers().length == 0) {
            boolean timeout = timeoutServers.contains(name);
            if (timeout) {
                try {
                    Thread.sleep(2100);
                }
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        addAdditional2(response, Section.AUTHORITY, flags);
    }

    byte addAnswer(Message response, Name name, int type, int dclass,
            int iterations, int flags) {
        SetResponse sr;
        byte rcode = Rcode.NOERROR;

        if (iterations > 6)
            return Rcode.NOERROR;

        if (type == Type.SIG || type == Type.RRSIG) {
            type = Type.ANY;
            flags |= FLAG_SIGONLY;
        }

        sr = findRecords(name, type);

        // TIMEOUT
        if (sr == null) {
            return -1;
        }
       
        if (sr.isNXDOMAIN() || sr.isNXRRSET()) {
            if (sr.isNXDOMAIN())
                response.getHeader().setRcode(Rcode.NXDOMAIN);

            response.addRecord(findSOARecord(), Section.AUTHORITY);

            if (iterations == 0)
                response.getHeader().setFlag(Flags.AA);

            rcode = Rcode.NXDOMAIN;

        } else if (sr.isDelegation()) {
            RRset nsRecords = sr.getNS();
            addRRset(nsRecords.getName(), response, nsRecords,
                    Section.AUTHORITY, flags);
        } else if (sr.isCNAME()) {
            CNAMERecord cname = sr.getCNAME();
            RRset rrset = new RRset(cname);
            addRRset(name, response, rrset, Section.ANSWER, flags);
            if (iterations == 0)
                response.getHeader().setFlag(Flags.AA);
            rcode = addAnswer(response, cname.getTarget(), type, dclass,
                    iterations + 1, flags);
        } else if (sr.isDNAME()) {
            DNAMERecord dname = sr.getDNAME();
            RRset rrset = new RRset(dname);
            addRRset(name, response, rrset, Section.ANSWER, flags);
            Name newname;
            try {
                newname = name.fromDNAME(dname);
            } catch (NameTooLongException e) {
                return Rcode.YXDOMAIN;
            }
            rrset = new RRset(new CNAMERecord(name, dclass, 0, newname));
            addRRset(name, response, rrset, Section.ANSWER, flags);
            if (iterations == 0)
                response.getHeader().setFlag(Flags.AA);
            rcode = addAnswer(response, newname, type, dclass, iterations + 1,
                    flags);
        } else if (sr.isSuccessful()) {
            RRset[] rrsets = sr.answers();
            for (int i = 0; i < rrsets.length; i++)
                addRRset(name, response, rrsets[i], Section.ANSWER, flags);

            RRset findNSRecords = findNSRecords();
            addRRset(findNSRecords.getName(), response, findNSRecords,
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            getLogger().error("Couldn't parse name " + namestr, tpe);
            return null;
        }
        int dclass = DClass.IN;

        SetResponse cached = cache.lookupRecords(name, type, dnsCredibility);
        if (cached.isSuccessful()) {
            getLogger().debug(new StringBuffer(256)
                             .append("Retrieving MX record for ")
                             .append(name).append(" from cache")
                             .toString());

            return processSetResponse(cached);
        }
        else if (cached.isNXDOMAIN() || cached.isNXRRSET()) {
            return null;
        }
        else if (querysent) {
            return null;
        }
        else {
            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);
                }
            }

            if (rcode != Rcode.NOERROR) {
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  public void testCache() throws UnknownHostException {

    final Cache cache = new Cache() {
      @Override
      public SetResponse lookupRecords(Name name, int type, int minCred) {
        final SetResponse setResponse = super.lookupRecords(name, type, minCred);
        if (count++ == 0) {
          assertThat(setResponse.isUnknown(), is(true));
        } else {
          assertThat(setResponse.isUnknown(), is(false));
        }
        return setResponse;    //To change body of overridden methods use File | Settings | File Templates.
      }

    };
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        return null;
        //return zone.findExactMatch(name, Type.A);
    }

    private SetResponse findRecords(Name name, int type) {
        SetResponse sr = zone.findRecords(name, type);
       
        if (sr == null || sr.answers() == null || sr.answers().length == 0) {
            boolean timeout = timeoutServers.contains(name);
            if (timeout) {
                try {
                    Thread.sleep(2100);
                }
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        addAdditional2(response, Section.AUTHORITY, flags);
    }

    byte addAnswer(Message response, Name name, int type, int dclass,
            int iterations, int flags) {
        SetResponse sr;
        byte rcode = Rcode.NOERROR;

        if (iterations > 6)
            return Rcode.NOERROR;

        if (type == Type.SIG || type == Type.RRSIG) {
            type = Type.ANY;
            flags |= FLAG_SIGONLY;
        }

        sr = findRecords(name, type);

        // TIMEOUT
        if (sr == null) {
            return -1;
        }
       
        if (sr.isNXDOMAIN() || sr.isNXRRSET()) {
            if (sr.isNXDOMAIN())
                response.getHeader().setRcode(Rcode.NXDOMAIN);

            response.addRecord(findSOARecord(), Section.AUTHORITY);

            if (iterations == 0)
                response.getHeader().setFlag(Flags.AA);

            rcode = Rcode.NXDOMAIN;

        } else if (sr.isDelegation()) {
            RRset nsRecords = sr.getNS();
            addRRset(nsRecords.getName(), response, nsRecords,
                    Section.AUTHORITY, flags);
        } else if (sr.isCNAME()) {
            CNAMERecord cname = sr.getCNAME();
            RRset rrset = new RRset(cname);
            addRRset(name, response, rrset, Section.ANSWER, flags);
            if (iterations == 0)
                response.getHeader().setFlag(Flags.AA);
            rcode = addAnswer(response, cname.getTarget(), type, dclass,
                    iterations + 1, flags);
        } else if (sr.isDNAME()) {
            DNAMERecord dname = sr.getDNAME();
            RRset rrset = new RRset(dname);
            addRRset(name, response, rrset, Section.ANSWER, flags);
            Name newname;
            try {
                newname = name.fromDNAME(dname);
            } catch (NameTooLongException e) {
                return Rcode.YXDOMAIN;
            }
            rrset = new RRset(new CNAMERecord(name, dclass, 0, newname));
            addRRset(name, response, rrset, Section.ANSWER, flags);
            if (iterations == 0)
                response.getHeader().setFlag(Flags.AA);
            rcode = addAnswer(response, newname, type, dclass, iterations + 1,
                    flags);
        } else if (sr.isSuccessful()) {
            RRset[] rrsets = sr.answers();
            for (int i = 0; i < rrsets.length; i++)
                addRRset(name, response, rrsets[i], Section.ANSWER, flags);

            RRset findNSRecords = findNSRecords();
            addRRset(findNSRecords.getName(), response, findNSRecords,
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            super();
            this.z = z;
        }

        public SetResponse lookup(Name name, int type) {
            SetResponse s = z.findRecords(name,type);
            System.out.println("Zone Lookup: "+name+" "+type+" = "+s);
            return s;
        }
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