1 /* 2 * This file is part of PowerDNS or dnsdist. 3 * Copyright -- PowerDNS.COM B.V. and its contributors 4 * 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. 8 * 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. 12 * 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. 17 * 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. 21 */ 22 #pragma once 23 24 #include "dnsdist.hh" 25 #include "dnsname.hh" 26 #include "protozero.hh" 27 28 class DNSDistProtoBufMessage 29 { 30 public: 31 DNSDistProtoBufMessage(const DNSQuestion& dq); 32 DNSDistProtoBufMessage(const DNSResponse& dr, bool includeCNAME); 33 34 void setServerIdentity(const std::string& serverId); 35 void setRequestor(const ComboAddress& requestor); 36 void setResponder(const ComboAddress& responder); 37 void setRequestorPort(uint16_t port); 38 void setResponderPort(uint16_t port); 39 void setResponseCode(uint8_t rcode); 40 void setType(pdns::ProtoZero::Message::MessageType type); 41 void setBytes(size_t bytes); 42 void setTime(time_t sec, uint32_t usec); 43 void setQueryTime(time_t sec, uint32_t usec); 44 void setQuestion(const DNSName& name, uint16_t qtype, uint16_t qclass); 45 void setEDNSSubnet(const Netmask& nm); 46 47 void addTag(const std::string& strValue); 48 void addRR(DNSName&& qname, uint16_t uType, uint16_t uClass, uint32_t uTTL, const std::string& data); 49 50 void serialize(std::string& data) const; 51 52 std::string toDebugString() const; 53 54 private: 55 struct PBRecord 56 { 57 DNSName d_name; 58 std::string d_data; 59 uint32_t d_ttl; 60 uint16_t d_type; 61 uint16_t d_class; 62 }; 63 struct PBQuestion 64 { PBQuestionDNSDistProtoBufMessage::PBQuestion65 PBQuestion(const DNSName& name, uint16_t type, uint16_t class_): d_name(name), d_type(type), d_class(class_) 66 { 67 } 68 69 DNSName d_name; 70 uint16_t d_type; 71 uint16_t d_class; 72 }; 73 74 std::vector<PBRecord> d_additionalRRs; 75 std::vector<std::string> d_additionalTags; 76 77 const DNSQuestion& d_dq; 78 const DNSResponse* d_dr{nullptr}; 79 const std::string* d_ServerIdentityRef{nullptr}; 80 81 boost::optional<PBQuestion> d_question{boost::none}; 82 boost::optional<std::string> d_serverIdentity{boost::none}; 83 boost::optional<ComboAddress> d_requestor{boost::none}; 84 boost::optional<ComboAddress> d_responder{boost::none}; 85 boost::optional<Netmask> d_ednsSubnet{boost::none}; 86 boost::optional<std::pair<time_t, uint32_t>> d_time{boost::none}; 87 boost::optional<std::pair<time_t, uint32_t>> d_queryTime{boost::none}; 88 boost::optional<size_t> d_bytes{boost::none}; 89 boost::optional<uint8_t> d_rcode{boost::none}; 90 91 pdns::ProtoZero::Message::MessageType d_type{pdns::ProtoZero::Message::MessageType::DNSQueryType}; 92 bool d_includeCNAME{false}; 93 }; 94