dns-storage.hh File Reference

Defines DNSLabel, DNSType, DNSClass and DNSNode, which together store DNS details. More...

#include <strings.h>
#include <string>
#include <set>
#include <map>
#include <vector>
#include <deque>
#include <iostream>
#include <cstdint>
#include <functional>
#include <memory>
#include "nenum.hh"
#include "comboaddress.hh"

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Classes
struct	dnsheader
	DNS header struct. More...
class	DNSLabel
	Represents a DNS label, which is part of a DNS Name. More...
struct	DNSName
	A DNS Name with helpful methods. Inherits case insensitivity from DNSLabel. More...
struct	RRGen
	Represents the contents of a resource record. More...
struct	RRSet
	Resource records are treated as a set and have one TTL for the whole set. More...
struct	DNSNode
	A node in the DNS tree. More...
struct	DNSNode::DNSNodeCmp

Enumerations
enum	RCode {   RCode::Noerror = 0, RCode::Formerr = 1, RCode::Servfail = 2, RCode::Nxdomain = 3,   RCode::Notimp = 4, RCode::Refused = 5, RCode::Notauth = 9, RCode::Badvers =16 }
enum	DNSType : uint16_t {   DNSType::A = 1, DNSType::NS = 2, DNSType::CNAME = 5, DNSType::SOA =6,   DNSType::PTR =12, DNSType::MX =15, DNSType::TXT =16, DNSType::AAAA = 28,   DNSType::SRV =33, DNSType::NAPTR =35, DNSType::DS =43, DNSType::RRSIG =46,   DNSType::NSEC =47, DNSType::DNSKEY =48, DNSType::NSEC3 =50, DNSType::OPT =41,   DNSType::IXFR = 251, DNSType::AXFR = 252, DNSType::ANY = 255, DNSType::CAA = 257 }
	Stores the type of a DNS query or resource record. More...
enum	DNSClass : uint16_t { DNSClass::IN =1, DNSClass::CH =3 }
	Stores the class of a DNS query or resource record. More...

Functions
	SMARTENUMEND (RCode)
	SMARTENUMEND (DNSType)
	SMARTENUMSTART (DNSClass) SENUM2(DNSClass
CH	SMARTENUMEND (DNSClass) COMBOENUM4(DNSSection
std::ostream &	operator<< (std::ostream &os, const DNSLabel &d)
std::ostream &	operator<< (std::ostream &os, const DNSName &d)
DNSName	operator+ (const DNSName &a, const DNSName &b)
	Append two DNSNames. More...
DNSName	makeDNSName (const std::string &str)
	This function is plain wrong and does unescape its input XXX. More...
void	loadZones (DNSNode &zones)
	Called by main() to load zone information. More...
std::unique_ptr< DNSNode >	retrieveZone (const ComboAddress &remote, const DNSName &zone)
	connects to an authoritative server, retrieves a zone, returns it as a smart pointer More...

Variables
	IN
CH	Question
CH	Answer
CH	Authority
CH	Additional

Detailed Description

Defines DNSLabel, DNSType, DNSClass and DNSNode, which together store DNS details.

Enumeration Type Documentation

enum DNSClass : uint16_t

strong

Stores the class of a DNS query or resource record.

Enumerator
IN
CH

enum DNSType : uint16_t

strong

Stores the type of a DNS query or resource record.

Enumerator
A
NS
CNAME
SOA
PTR
MX
TXT
AAAA
SRV
NAPTR
DS
RRSIG
NSEC
DNSKEY
NSEC3
OPT
IXFR
AXFR
ANY
CAA

enum RCode

strong

Enumerator
Noerror
Formerr
Servfail
Nxdomain
Notimp
Refused
Notauth
Badvers

Function Documentation

void loadZones

(

DNSNode &

zones

)

Called by main() to load zone information.

Called by main() to load zone information.

DNSName makeDNSName

(

const std::string &

str

)

This function is plain wrong and does unescape its input XXX.

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DNSName operator+	(	const DNSName &	a,
		const DNSName &	b
	)

Append two DNSNames.

std::ostream& operator<<	(	std::ostream &	os,
		const DNSLabel &	d
	)

std::ostream& operator<<	(	std::ostream &	os,
		const DNSName &	d
	)

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std::unique_ptr<DNSNode> retrieveZone	(	const ComboAddress &	remote,
		const DNSName &	zone
	)

connects to an authoritative server, retrieves a zone, returns it as a smart pointer

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SMARTENUMEND

(

RCode

)

SMARTENUMEND

(

DNSType

)

CH SMARTENUMEND

(

DNSClass

)

SMARTENUMSTART

(

DNSClass

)

Variable Documentation

CH Additional

CH Answer

CH Authority

IN

CH Question