2 * This file is part of PowerDNS or dnsdist.
3 * Copyright -- PowerDNS.COM B.V. and its contributors
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of version 2 of the GNU General Public License as
7 * published by the Free Software Foundation.
9 * In addition, for the avoidance of any doubt, permission is granted to
10 * link this program with OpenSSL and to (re)distribute the binaries
11 * produced as the result of such linking.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22 #ifndef PDNS_DNSRECORDS_HH
23 #define PDNS_DNSRECORDS_HH
29 #include "dnsparser.hh"
30 #include "dnswriter.hh"
31 #include "rcpgenerator.hh"
34 #include "namespaces.hh"
37 #define includeboilerplate(RNAME) RNAME##RecordContent(const DNSRecord& dr, PacketReader& pr); \
38 RNAME##RecordContent(const string& zoneData); \
39 static void report(void); \
40 static void unreport(void); \
41 static DNSRecordContent* make(const DNSRecord &dr, PacketReader& pr); \
42 static DNSRecordContent* make(const string& zonedata); \
43 string getZoneRepresentation(bool noDot=false) const override; \
44 void toPacket(DNSPacketWriter& pw) override; \
45 uint16_t getType() const override { return QType::RNAME; } \
46 template<class Convertor> void xfrPacket(Convertor& conv, bool noDot=false);
48 class NAPTRRecordContent : public DNSRecordContent
51 NAPTRRecordContent(uint16_t order, uint16_t preference, string flags, string services, string regexp, DNSName replacement);
53 includeboilerplate(NAPTR)
54 template<class Convertor> void xfrRecordContent(Convertor& conv);
56 uint16_t d_order, d_preference;
57 string d_flags, d_services, d_regexp;
58 DNSName d_replacement;
62 class ARecordContent : public DNSRecordContent
65 explicit ARecordContent(const ComboAddress& ca);
66 explicit ARecordContent(uint32_t ip);
68 void doRecordCheck(const DNSRecord& dr);
69 ComboAddress getCA(int port=0) const;
70 bool operator==(const DNSRecordContent& rhs) const override
72 if(typeid(*this) != typeid(rhs))
74 return d_ip == dynamic_cast<const ARecordContent&>(rhs).d_ip;
80 class AAAARecordContent : public DNSRecordContent
83 AAAARecordContent(std::string &val);
84 explicit AAAARecordContent(const ComboAddress& ca);
85 includeboilerplate(AAAA)
86 ComboAddress getCA(int port=0) const;
87 bool operator==(const DNSRecordContent& rhs) const override
89 if(typeid(*this) != typeid(rhs))
91 return d_ip6 == dynamic_cast<const decltype(this)>(&rhs)->d_ip6;
94 string d_ip6; // why??
97 class MXRecordContent : public DNSRecordContent
100 MXRecordContent(uint16_t preference, const DNSName& mxname);
102 includeboilerplate(MX)
104 uint16_t d_preference;
107 bool operator==(const DNSRecordContent& rhs) const override
109 if(typeid(*this) != typeid(rhs))
111 auto rrhs =dynamic_cast<const decltype(this)>(&rhs);
112 return std::tie(d_preference, d_mxname) == std::tie(rrhs->d_preference, rrhs->d_mxname);
117 class KXRecordContent : public DNSRecordContent
120 KXRecordContent(uint16_t preference, const DNSName& exchanger);
122 includeboilerplate(KX)
125 uint16_t d_preference;
129 class IPSECKEYRecordContent : public DNSRecordContent
132 IPSECKEYRecordContent(uint16_t preference, uint8_t gatewaytype, uint8_t algo, const DNSName& gateway, const string& publickey);
134 includeboilerplate(IPSECKEY)
141 uint8_t d_preference, d_gatewaytype, d_algorithm;
144 class DHCIDRecordContent : public DNSRecordContent
147 includeboilerplate(DHCID)
154 class SRVRecordContent : public DNSRecordContent
157 SRVRecordContent(uint16_t preference, uint16_t weight, uint16_t port, const DNSName& target);
159 includeboilerplate(SRV)
161 uint16_t d_weight, d_port;
163 uint16_t d_preference;
166 class TSIGRecordContent : public DNSRecordContent
169 includeboilerplate(TSIG)
170 TSIGRecordContent() {}
172 uint16_t d_origID{0};
179 // uint16_t d_macSize;
180 uint16_t d_eRcode{0};
181 // uint16_t d_otherLen
185 class TXTRecordContent : public DNSRecordContent
188 includeboilerplate(TXT)
193 #ifdef HAVE_LUA_RECORDS
194 class LUARecordContent : public DNSRecordContent
197 includeboilerplate(LUA)
204 class ENTRecordContent : public DNSRecordContent
207 includeboilerplate(ENT)
210 class SPFRecordContent : public DNSRecordContent
213 includeboilerplate(SPF)
220 class NSRecordContent : public DNSRecordContent
223 includeboilerplate(NS)
224 explicit NSRecordContent(const DNSName& content) : d_content(content){}
225 const DNSName& getNS() const { return d_content; }
226 bool operator==(const DNSRecordContent& rhs) const override
228 if(typeid(*this) != typeid(rhs))
230 auto rrhs =dynamic_cast<const decltype(this)>(&rhs);
231 return d_content == rrhs->d_content;
238 class PTRRecordContent : public DNSRecordContent
241 includeboilerplate(PTR)
242 explicit PTRRecordContent(const DNSName& content) : d_content(content){}
247 class CNAMERecordContent : public DNSRecordContent
250 includeboilerplate(CNAME)
251 CNAMERecordContent(const DNSName& content) : d_content(content){}
252 DNSName getTarget() const { return d_content; }
257 class ALIASRecordContent : public DNSRecordContent
260 includeboilerplate(ALIAS)
266 class DNAMERecordContent : public DNSRecordContent
269 includeboilerplate(DNAME)
274 class MBRecordContent : public DNSRecordContent
277 includeboilerplate(MB)
283 class MGRecordContent : public DNSRecordContent
286 includeboilerplate(MG)
292 class MRRecordContent : public DNSRecordContent
295 includeboilerplate(MR)
301 class MINFORecordContent : public DNSRecordContent
304 includeboilerplate(MINFO)
311 class OPTRecordContent : public DNSRecordContent
315 includeboilerplate(OPT)
316 void getData(vector<pair<uint16_t, string> > &opts);
322 class HINFORecordContent : public DNSRecordContent
325 includeboilerplate(HINFO)
328 string d_cpu, d_host;
331 class RPRecordContent : public DNSRecordContent
334 includeboilerplate(RP)
337 DNSName d_mbox, d_info;
341 class DNSKEYRecordContent : public DNSRecordContent
344 DNSKEYRecordContent();
345 includeboilerplate(DNSKEY)
346 uint16_t getTag() const;
350 uint8_t d_protocol{0};
351 uint8_t d_algorithm{0};
353 bool operator<(const DNSKEYRecordContent& rhs) const
355 return tie(d_flags, d_protocol, d_algorithm, d_key) <
356 tie(rhs.d_flags, rhs.d_protocol, rhs.d_algorithm, rhs.d_key);
360 class CDNSKEYRecordContent : public DNSRecordContent
363 CDNSKEYRecordContent();
364 includeboilerplate(CDNSKEY)
368 uint8_t d_protocol{0};
369 uint8_t d_algorithm{0};
373 class DSRecordContent : public DNSRecordContent
377 bool operator==(const DNSRecordContent& rhs) const override
379 if(typeid(*this) != typeid(rhs))
381 auto rrhs =dynamic_cast<const decltype(this)>(&rhs);
382 return tie(d_tag, d_algorithm, d_digesttype, d_digest) ==
383 tie(rrhs->d_tag, rrhs->d_algorithm, rrhs->d_digesttype, rrhs->d_digest);
385 bool operator<(const DSRecordContent& rhs) const
387 return tie(d_tag, d_algorithm, d_digesttype, d_digest) <
388 tie(rhs.d_tag, rhs.d_algorithm, rhs.d_digesttype, rhs.d_digest);
391 includeboilerplate(DS)
394 uint8_t d_algorithm{0}, d_digesttype{0};
398 class CDSRecordContent : public DNSRecordContent
402 includeboilerplate(CDS)
405 uint8_t d_algorithm{0}, d_digesttype{0};
409 class DLVRecordContent : public DNSRecordContent
413 includeboilerplate(DLV)
416 uint8_t d_algorithm{0}, d_digesttype{0};
421 class SSHFPRecordContent : public DNSRecordContent
424 includeboilerplate(SSHFP)
427 uint8_t d_algorithm, d_fptype;
428 string d_fingerprint;
431 class KEYRecordContent : public DNSRecordContent
434 includeboilerplate(KEY)
438 uint8_t d_protocol, d_algorithm;
439 string d_certificate;
442 class AFSDBRecordContent : public DNSRecordContent
445 includeboilerplate(AFSDB)
453 class CERTRecordContent : public DNSRecordContent
456 includeboilerplate(CERT)
459 uint16_t d_type, d_tag;
460 string d_certificate;
464 class TLSARecordContent : public DNSRecordContent
467 includeboilerplate(TLSA)
470 uint8_t d_certusage, d_selector, d_matchtype;
474 class SMIMEARecordContent : public DNSRecordContent
477 includeboilerplate(SMIMEA)
480 uint8_t d_certusage, d_selector, d_matchtype;
484 class OPENPGPKEYRecordContent : public DNSRecordContent
487 includeboilerplate(OPENPGPKEY)
494 class RRSIGRecordContent : public DNSRecordContent
497 RRSIGRecordContent();
498 includeboilerplate(RRSIG)
504 uint32_t d_originalttl{0}, d_sigexpire{0}, d_siginception{0};
505 uint8_t d_algorithm{0}, d_labels{0};
519 class RKEYRecordContent : public DNSRecordContent
523 includeboilerplate(RKEY)
525 uint8_t d_protocol{0}, d_algorithm{0};
529 class SOARecordContent : public DNSRecordContent
532 includeboilerplate(SOA)
533 SOARecordContent(const DNSName& mname, const DNSName& rname, const struct soatimes& st);
537 struct soatimes d_st;
540 class NSECRecordContent : public DNSRecordContent
543 static void report(void);
546 NSECRecordContent(const string& content, const string& zone=""); //FIXME400: DNSName& zone?
548 static DNSRecordContent* make(const DNSRecord &dr, PacketReader& pr);
549 static DNSRecordContent* make(const string& content);
550 string getZoneRepresentation(bool noDot=false) const override;
551 void toPacket(DNSPacketWriter& pw) override;
552 uint16_t getType() const override
557 std::set<uint16_t> d_set;
561 class NSEC3RecordContent : public DNSRecordContent
564 static void report(void);
567 NSEC3RecordContent(const string& content, const string& zone=""); //FIXME400: DNSName& zone?
569 static DNSRecordContent* make(const DNSRecord &dr, PacketReader& pr);
570 static DNSRecordContent* make(const string& content);
571 string getZoneRepresentation(bool noDot=false) const override;
572 void toPacket(DNSPacketWriter& pw) override;
574 uint8_t d_algorithm{0}, d_flags{0};
575 uint16_t d_iterations{0};
578 std::set<uint16_t> d_set;
580 uint16_t getType() const override
590 class NSEC3PARAMRecordContent : public DNSRecordContent
593 static void report(void);
594 NSEC3PARAMRecordContent()
596 NSEC3PARAMRecordContent(const string& content, const string& zone=""); // FIXME400: DNSName& zone?
598 static DNSRecordContent* make(const DNSRecord &dr, PacketReader& pr);
599 static DNSRecordContent* make(const string& content);
600 string getZoneRepresentation(bool noDot=false) const override;
601 void toPacket(DNSPacketWriter& pw) override;
603 uint16_t getType() const override
605 return QType::NSEC3PARAM;
609 uint8_t d_algorithm{0}, d_flags{0};
610 uint16_t d_iterations{0};
615 class LOCRecordContent : public DNSRecordContent
618 static void report(void);
621 LOCRecordContent(const string& content, const string& zone="");
623 static DNSRecordContent* make(const DNSRecord &dr, PacketReader& pr);
624 static DNSRecordContent* make(const string& content);
625 string getZoneRepresentation(bool noDot=false) const override;
626 void toPacket(DNSPacketWriter& pw) override;
628 uint8_t d_version{0}, d_size{0}, d_horizpre{0}, d_vertpre{0};
629 uint32_t d_latitude{0}, d_longitude{0}, d_altitude{0};
630 uint16_t getType() const override
639 class WKSRecordContent : public DNSRecordContent
642 static void report(void);
645 WKSRecordContent(const string& content, const string& zone=""); // FIXME400: DNSName& zone?
647 static DNSRecordContent* make(const DNSRecord &dr, PacketReader& pr);
648 static DNSRecordContent* make(const string& content);
649 string getZoneRepresentation(bool noDot=false) const override;
650 void toPacket(DNSPacketWriter& pw) override;
653 std::bitset<65535> d_services;
657 class EUI48RecordContent : public DNSRecordContent
660 EUI48RecordContent() {};
661 static void report(void);
662 static DNSRecordContent* make(const DNSRecord &dr, PacketReader& pr);
663 static DNSRecordContent* make(const string& zone); // FIXME400: DNSName& zone?
664 string getZoneRepresentation(bool noDot=false) const override;
665 void toPacket(DNSPacketWriter& pw) override;
666 uint16_t getType() const override { return QType::EUI48; }
668 // storage for the bytes
672 class EUI64RecordContent : public DNSRecordContent
675 EUI64RecordContent() {};
676 static void report(void);
677 static DNSRecordContent* make(const DNSRecord &dr, PacketReader& pr);
678 static DNSRecordContent* make(const string& zone); // FIXME400: DNSName& zone?
679 string getZoneRepresentation(bool noDot=false) const override;
680 void toPacket(DNSPacketWriter& pw) override;
681 uint16_t getType() const override { return QType::EUI64; }
683 // storage for the bytes
687 class TKEYRecordContent : public DNSRecordContent
691 includeboilerplate(TKEY)
693 // storage for the bytes
694 uint16_t d_othersize{0};
696 uint32_t d_inception{0};
697 uint32_t d_expiration{0};
704 uint16_t d_keysize{0};
708 class URIRecordContent : public DNSRecordContent {
710 includeboilerplate(URI)
712 uint16_t d_priority, d_weight;
716 class CAARecordContent : public DNSRecordContent {
718 includeboilerplate(CAA)
721 string d_tag, d_value;
724 #define boilerplate(RNAME, RTYPE) \
725 RNAME##RecordContent::DNSRecordContent* RNAME##RecordContent::make(const DNSRecord& dr, PacketReader& pr) \
727 return new RNAME##RecordContent(dr, pr); \
730 RNAME##RecordContent::RNAME##RecordContent(const DNSRecord& dr, PacketReader& pr) \
736 RNAME##RecordContent::DNSRecordContent* RNAME##RecordContent::make(const string& zonedata) \
738 return new RNAME##RecordContent(zonedata); \
741 void RNAME##RecordContent::toPacket(DNSPacketWriter& pw) \
743 this->xfrPacket(pw); \
746 void RNAME##RecordContent::report(void) \
748 regist(1, RTYPE, &RNAME##RecordContent::make, &RNAME##RecordContent::make, #RNAME); \
749 regist(254, RTYPE, &RNAME##RecordContent::make, &RNAME##RecordContent::make, #RNAME); \
751 void RNAME##RecordContent::unreport(void) \
753 unregist(1, RTYPE); \
754 unregist(254, RTYPE); \
757 RNAME##RecordContent::RNAME##RecordContent(const string& zoneData) \
760 RecordTextReader rtr(zoneData); \
763 catch(RecordTextException& rte) { \
764 throw MOADNSException("Parsing record content (try 'pdnsutil check-zone'): "+string(rte.what())); \
768 string RNAME##RecordContent::getZoneRepresentation(bool noDot) const \
771 RecordTextWriter rtw(ret, noDot); \
772 const_cast<RNAME##RecordContent*>(this)->xfrPacket(rtw); \
777 #define boilerplate_conv(RNAME, TYPE, CONV) \
778 boilerplate(RNAME, TYPE) \
779 template<class Convertor> \
780 void RNAME##RecordContent::xfrPacket(Convertor& conv, bool noDot) \
783 if (conv.eof() == false) throw MOADNSException("When parsing " #RNAME " trailing data was not parsed: '" + conv.getRemaining() + "'"); \
788 enum zFlags { DNSSECOK=32768 };
789 vector<pair<uint16_t, string> > d_options;
790 uint16_t d_packetsize{0};
791 uint16_t d_extFlags{0};
792 uint8_t d_extRCode, d_version;
794 //! Convenience function that fills out EDNS0 options, and returns true if there are any
797 bool getEDNSOpts(const MOADNSParser& mdp, EDNSOpts* eo);
798 DNSRecord makeOpt(const uint16_t udpsize, const uint16_t extRCode, const uint16_t extFlags);
799 void reportBasicTypes();
800 void reportOtherTypes();
801 void reportAllTypes();
802 ComboAddress getAddr(const DNSRecord& dr, uint16_t defport=0);