Myra::Traffic::Name_Resolution Namespace Reference

Detect and examine DNS packets. More...

Classes
struct	Header
	This is only the first part of the DNS packet. More...
struct	ResourceRecord
	RFC 1035 section 4.1.3. More...

Enumerations
enum	ResponseCode {   ResponseCode::NoError = 0,   ResponseCode::FormatError = 1,   ResponseCode::ServerFailure = 2,   ResponseCode::NameError = 3,   ResponseCode::NotImplemented = 4,   ResponseCode::Refused = 5 }

Functions
const Header *	get_header (const uint8_t *ptr)
	get the DNS header More...
uint16_t	number_of_questions (const Header *header)
	number of questions in a DNS query More...
uint16_t	number_of_answers (const Header *header)
	number of answers in a DNS reply More...
bool	is_QR_flag (const Header *header)
	true indicates a response, and false indicates a query More...
int	opcode (const Header *header)
bool	is_AA_flag (const Header *header)
	authoritative answer More...
bool	is_TC_flag (const Header *header)
	truncated message More...
bool	is_RD_flag (const Header *header)
	recursion desired More...
bool	is_RA_flag (const Header *header)
	recursion available More...
bool	is_R3_flag (const Header *header)
	reserved flag More...
bool	is_R2_flag (const Header *header)
	reserved flag More...
bool	is_R1_flag (const Header *header)
	reserved flag More...
int	response_code (const Header *header)
	response code More...
bool	is_query (const Header *header)
bool	is_response (const Header *header)
ResponseCode	get_response_code (const Header *header)
VStr	get_names (const Header *header)
	Extract all of the names from the DNS header. More...
void	get_names (const Header *header, Myra::HostLookupMap &m)
	Extract both names and addresses from a DNS reply. More...

Detailed Description

Detect and examine DNS packets.

Enumeration Type Documentation

enum Myra::Traffic::Name_Resolution::ResponseCode

strong

See also

RFC1035

RFC6895

Enumerator
NoError	"no error"
FormatError
ServerFailure
NameError	"name not found"
NotImplemented
Refused

Function Documentation

const Header* Myra::Traffic::Name_Resolution::get_header ( const uint8_t *  ptr )

inline

get the DNS header

Myra::VStr Myra::Traffic::Name_Resolution::get_names

(

const Header *

header

)

Extract all of the names from the DNS header.

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void Myra::Traffic::Name_Resolution::get_names	(	const Header *	header,
		Myra::HostLookupMap &	m
	)

Extract both names and addresses from a DNS reply.

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ResponseCode Myra::Traffic::Name_Resolution::get_response_code ( const Header *  header )

inline

See also

response_code()

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bool Myra::Traffic::Name_Resolution::is_AA_flag ( const Header *  header )

inline

authoritative answer

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bool Myra::Traffic::Name_Resolution::is_QR_flag ( const Header *  header )

inline

true indicates a response, and false indicates a query

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bool Myra::Traffic::Name_Resolution::is_query ( const Header *  header )

inline

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bool Myra::Traffic::Name_Resolution::is_R1_flag ( const Header *  header )

inline

reserved flag

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bool Myra::Traffic::Name_Resolution::is_R2_flag ( const Header *  header )

inline

reserved flag

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bool Myra::Traffic::Name_Resolution::is_R3_flag ( const Header *  header )

inline

reserved flag

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bool Myra::Traffic::Name_Resolution::is_RA_flag ( const Header *  header )

inline

recursion available

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bool Myra::Traffic::Name_Resolution::is_RD_flag ( const Header *  header )

inline

recursion desired

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bool Myra::Traffic::Name_Resolution::is_response ( const Header *  header )

inline

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bool Myra::Traffic::Name_Resolution::is_TC_flag ( const Header *  header )

inline

truncated message

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uint16_t Myra::Traffic::Name_Resolution::number_of_answers ( const Header *  header )

inline

number of answers in a DNS reply

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uint16_t Myra::Traffic::Name_Resolution::number_of_questions ( const Header *  header )

inline

number of questions in a DNS query

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int Myra::Traffic::Name_Resolution::opcode ( const Header *  header )

inline

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int Myra::Traffic::Name_Resolution::response_code ( const Header *  header )

inline

response code

See also

get_response_code()

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