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 std::shared_ptr<DNSRecordContent> make(const DNSRecord &dr, PacketReader& pr); \
42 static std::shared_ptr<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)
198 string getCode() const;
204 class ENTRecordContent : public DNSRecordContent
207 includeboilerplate(ENT)
210 class SPFRecordContent : public DNSRecordContent
213 includeboilerplate(SPF)
214 const std::string& getText() const
224 class NSRecordContent : public DNSRecordContent
227 includeboilerplate(NS)
228 explicit NSRecordContent(const DNSName& content) : d_content(content){}
229 const DNSName& getNS() const { return d_content; }
230 bool operator==(const DNSRecordContent& rhs) const override
232 if(typeid(*this) != typeid(rhs))
234 auto rrhs =dynamic_cast<const decltype(this)>(&rhs);
235 return d_content == rrhs->d_content;
242 class PTRRecordContent : public DNSRecordContent
245 includeboilerplate(PTR)
246 explicit PTRRecordContent(const DNSName& content) : d_content(content){}
247 const DNSName& getContent() const { return d_content; }
252 class CNAMERecordContent : public DNSRecordContent
255 includeboilerplate(CNAME)
256 CNAMERecordContent(const DNSName& content) : d_content(content){}
257 DNSName getTarget() const { return d_content; }
262 class ALIASRecordContent : public DNSRecordContent
265 includeboilerplate(ALIAS)
271 class DNAMERecordContent : public DNSRecordContent
274 includeboilerplate(DNAME)
279 class MBRecordContent : public DNSRecordContent
282 includeboilerplate(MB)
288 class MGRecordContent : public DNSRecordContent
291 includeboilerplate(MG)
297 class MRRecordContent : public DNSRecordContent
300 includeboilerplate(MR)
306 class MINFORecordContent : public DNSRecordContent
309 includeboilerplate(MINFO)
316 class OPTRecordContent : public DNSRecordContent
320 includeboilerplate(OPT)
321 void getData(vector<pair<uint16_t, string> > &opts);
327 class HINFORecordContent : public DNSRecordContent
330 includeboilerplate(HINFO)
333 string d_cpu, d_host;
336 class RPRecordContent : public DNSRecordContent
339 includeboilerplate(RP)
342 DNSName d_mbox, d_info;
346 class DNSKEYRecordContent : public DNSRecordContent
349 DNSKEYRecordContent();
350 includeboilerplate(DNSKEY)
351 uint16_t getTag() const;
355 uint8_t d_protocol{0};
356 uint8_t d_algorithm{0};
358 bool operator<(const DNSKEYRecordContent& rhs) const
360 return tie(d_flags, d_protocol, d_algorithm, d_key) <
361 tie(rhs.d_flags, rhs.d_protocol, rhs.d_algorithm, rhs.d_key);
365 class CDNSKEYRecordContent : public DNSRecordContent
368 CDNSKEYRecordContent();
369 includeboilerplate(CDNSKEY)
373 uint8_t d_protocol{0};
374 uint8_t d_algorithm{0};
378 class DSRecordContent : public DNSRecordContent
382 bool operator==(const DNSRecordContent& rhs) const override
384 if(typeid(*this) != typeid(rhs))
386 auto rrhs =dynamic_cast<const decltype(this)>(&rhs);
387 return tie(d_tag, d_algorithm, d_digesttype, d_digest) ==
388 tie(rrhs->d_tag, rrhs->d_algorithm, rrhs->d_digesttype, rrhs->d_digest);
390 bool operator<(const DSRecordContent& rhs) const
392 return tie(d_tag, d_algorithm, d_digesttype, d_digest) <
393 tie(rhs.d_tag, rhs.d_algorithm, rhs.d_digesttype, rhs.d_digest);
396 includeboilerplate(DS)
399 uint8_t d_algorithm{0}, d_digesttype{0};
403 class CDSRecordContent : public DNSRecordContent
407 includeboilerplate(CDS)
410 uint8_t d_algorithm{0}, d_digesttype{0};
414 class DLVRecordContent : public DNSRecordContent
418 includeboilerplate(DLV)
421 uint8_t d_algorithm{0}, d_digesttype{0};
426 class SSHFPRecordContent : public DNSRecordContent
429 includeboilerplate(SSHFP)
432 uint8_t d_algorithm, d_fptype;
433 string d_fingerprint;
436 class KEYRecordContent : public DNSRecordContent
439 includeboilerplate(KEY)
443 uint8_t d_protocol, d_algorithm;
444 string d_certificate;
447 class AFSDBRecordContent : public DNSRecordContent
450 includeboilerplate(AFSDB)
458 class CERTRecordContent : public DNSRecordContent
461 includeboilerplate(CERT)
464 uint16_t d_type, d_tag;
465 string d_certificate;
469 class TLSARecordContent : public DNSRecordContent
472 includeboilerplate(TLSA)
475 uint8_t d_certusage, d_selector, d_matchtype;
479 class SMIMEARecordContent : public DNSRecordContent
482 includeboilerplate(SMIMEA)
485 uint8_t d_certusage, d_selector, d_matchtype;
489 class OPENPGPKEYRecordContent : public DNSRecordContent
492 includeboilerplate(OPENPGPKEY)
499 class RRSIGRecordContent : public DNSRecordContent
502 RRSIGRecordContent();
503 includeboilerplate(RRSIG)
509 uint32_t d_originalttl{0}, d_sigexpire{0}, d_siginception{0};
510 uint8_t d_algorithm{0}, d_labels{0};
524 class RKEYRecordContent : public DNSRecordContent
528 includeboilerplate(RKEY)
530 uint8_t d_protocol{0}, d_algorithm{0};
534 class SOARecordContent : public DNSRecordContent
537 includeboilerplate(SOA)
538 SOARecordContent(const DNSName& mname, const DNSName& rname, const struct soatimes& st);
542 struct soatimes d_st;
545 class NSECRecordContent : public DNSRecordContent
548 static void report(void);
551 NSECRecordContent(const string& content, const string& zone=""); //FIXME400: DNSName& zone?
553 static std::shared_ptr<DNSRecordContent> make(const DNSRecord &dr, PacketReader& pr);
554 static std::shared_ptr<DNSRecordContent> make(const string& content);
555 string getZoneRepresentation(bool noDot=false) const override;
556 void toPacket(DNSPacketWriter& pw) override;
557 uint16_t getType() const override
562 std::set<uint16_t> d_set;
566 class NSEC3RecordContent : public DNSRecordContent
569 static void report(void);
572 NSEC3RecordContent(const string& content, const string& zone=""); //FIXME400: DNSName& zone?
574 static std::shared_ptr<DNSRecordContent> make(const DNSRecord &dr, PacketReader& pr);
575 static std::shared_ptr<DNSRecordContent> make(const string& content);
576 string getZoneRepresentation(bool noDot=false) const override;
577 void toPacket(DNSPacketWriter& pw) override;
579 uint8_t d_algorithm{0}, d_flags{0};
580 uint16_t d_iterations{0};
583 std::set<uint16_t> d_set;
585 uint16_t getType() const override
595 class NSEC3PARAMRecordContent : public DNSRecordContent
598 static void report(void);
599 NSEC3PARAMRecordContent()
601 NSEC3PARAMRecordContent(const string& content, const string& zone=""); // FIXME400: DNSName& zone?
603 static std::shared_ptr<DNSRecordContent> make(const DNSRecord &dr, PacketReader& pr);
604 static std::shared_ptr<DNSRecordContent> make(const string& content);
605 string getZoneRepresentation(bool noDot=false) const override;
606 void toPacket(DNSPacketWriter& pw) override;
608 uint16_t getType() const override
610 return QType::NSEC3PARAM;
614 uint8_t d_algorithm{0}, d_flags{0};
615 uint16_t d_iterations{0};
620 class LOCRecordContent : public DNSRecordContent
623 static void report(void);
626 LOCRecordContent(const string& content, const string& zone="");
628 static std::shared_ptr<DNSRecordContent> make(const DNSRecord &dr, PacketReader& pr);
629 static std::shared_ptr<DNSRecordContent> make(const string& content);
630 string getZoneRepresentation(bool noDot=false) const override;
631 void toPacket(DNSPacketWriter& pw) override;
633 uint8_t d_version{0}, d_size{0}, d_horizpre{0}, d_vertpre{0};
634 uint32_t d_latitude{0}, d_longitude{0}, d_altitude{0};
635 uint16_t getType() const override
644 class WKSRecordContent : public DNSRecordContent
647 static void report(void);
650 WKSRecordContent(const string& content, const string& zone=""); // FIXME400: DNSName& zone?
652 static std::shared_ptr<DNSRecordContent> make(const DNSRecord &dr, PacketReader& pr);
653 static std::shared_ptr<DNSRecordContent> make(const string& content);
654 string getZoneRepresentation(bool noDot=false) const override;
655 void toPacket(DNSPacketWriter& pw) override;
658 std::bitset<65535> d_services;
662 class EUI48RecordContent : public DNSRecordContent
665 EUI48RecordContent() {};
666 static void report(void);
667 static std::shared_ptr<DNSRecordContent> make(const DNSRecord &dr, PacketReader& pr);
668 static std::shared_ptr<DNSRecordContent> make(const string& zone); // FIXME400: DNSName& zone?
669 string getZoneRepresentation(bool noDot=false) const override;
670 void toPacket(DNSPacketWriter& pw) override;
671 uint16_t getType() const override { return QType::EUI48; }
673 // storage for the bytes
677 class EUI64RecordContent : public DNSRecordContent
680 EUI64RecordContent() {};
681 static void report(void);
682 static std::shared_ptr<DNSRecordContent> make(const DNSRecord &dr, PacketReader& pr);
683 static std::shared_ptr<DNSRecordContent> make(const string& zone); // FIXME400: DNSName& zone?
684 string getZoneRepresentation(bool noDot=false) const override;
685 void toPacket(DNSPacketWriter& pw) override;
686 uint16_t getType() const override { return QType::EUI64; }
688 // storage for the bytes
692 class TKEYRecordContent : public DNSRecordContent
696 includeboilerplate(TKEY)
698 // storage for the bytes
699 uint16_t d_othersize{0};
701 uint32_t d_inception{0};
702 uint32_t d_expiration{0};
709 uint16_t d_keysize{0};
713 class URIRecordContent : public DNSRecordContent {
715 includeboilerplate(URI)
717 uint16_t d_priority, d_weight;
721 class CAARecordContent : public DNSRecordContent {
723 includeboilerplate(CAA)
726 string d_tag, d_value;
729 #define boilerplate(RNAME, RTYPE) \
730 std::shared_ptr<RNAME##RecordContent::DNSRecordContent> RNAME##RecordContent::make(const DNSRecord& dr, PacketReader& pr) \
732 return std::make_shared<RNAME##RecordContent>(dr, pr); \
735 RNAME##RecordContent::RNAME##RecordContent(const DNSRecord& dr, PacketReader& pr) \
741 std::shared_ptr<RNAME##RecordContent::DNSRecordContent> RNAME##RecordContent::make(const string& zonedata) \
743 return std::make_shared<RNAME##RecordContent>(zonedata); \
746 void RNAME##RecordContent::toPacket(DNSPacketWriter& pw) \
748 this->xfrPacket(pw); \
751 void RNAME##RecordContent::report(void) \
753 regist(1, RTYPE, &RNAME##RecordContent::make, &RNAME##RecordContent::make, #RNAME); \
754 regist(254, RTYPE, &RNAME##RecordContent::make, &RNAME##RecordContent::make, #RNAME); \
756 void RNAME##RecordContent::unreport(void) \
758 unregist(1, RTYPE); \
759 unregist(254, RTYPE); \
762 RNAME##RecordContent::RNAME##RecordContent(const string& zoneData) \
765 RecordTextReader rtr(zoneData); \
768 catch(RecordTextException& rte) { \
769 throw MOADNSException("Parsing record content (try 'pdnsutil check-zone'): "+string(rte.what())); \
773 string RNAME##RecordContent::getZoneRepresentation(bool noDot) const \
776 RecordTextWriter rtw(ret, noDot); \
777 const_cast<RNAME##RecordContent*>(this)->xfrPacket(rtw); \
782 #define boilerplate_conv(RNAME, TYPE, CONV) \
783 boilerplate(RNAME, TYPE) \
784 template<class Convertor> \
785 void RNAME##RecordContent::xfrPacket(Convertor& conv, bool noDot) \
788 if (conv.eof() == false) throw MOADNSException("When parsing " #RNAME " trailing data was not parsed: '" + conv.getRemaining() + "'"); \
793 enum zFlags { DNSSECOK=32768 };
794 vector<pair<uint16_t, string> > d_options;
795 uint16_t d_packetsize{0};
796 uint16_t d_extFlags{0};
797 uint8_t d_extRCode, d_version;
799 //! Convenience function that fills out EDNS0 options, and returns true if there are any
802 bool getEDNSOpts(const MOADNSParser& mdp, EDNSOpts* eo);
803 DNSRecord makeOpt(const uint16_t udpsize, const uint16_t extRCode, const uint16_t extFlags);
804 void reportBasicTypes();
805 void reportOtherTypes();
806 void reportAllTypes();
807 ComboAddress getAddr(const DNSRecord& dr, uint16_t defport=0);
808 void checkHostnameCorrectness(const DNSResourceRecord& rr);