Macros | Typedefs | Enumerations
pkthdr.h File Reference

Contains functions that translate dns data from the wire format (as sent by servers and clients) to the internal structures for the packet header. More...

Macros

#define LDNS_HEADER_SIZE   12
#define LDNS_RD_MASK   0x01U
#define LDNS_RD_SHIFT   0
#define LDNS_RD_WIRE(wirebuf)
#define LDNS_RD_SET(wirebuf)
#define LDNS_RD_CLR(wirebuf)
#define LDNS_TC_MASK   0x02U
#define LDNS_TC_SHIFT   1
#define LDNS_TC_WIRE(wirebuf)
#define LDNS_TC_SET(wirebuf)
#define LDNS_TC_CLR(wirebuf)
#define LDNS_AA_MASK   0x04U
#define LDNS_AA_SHIFT   2
#define LDNS_AA_WIRE(wirebuf)
#define LDNS_AA_SET(wirebuf)
#define LDNS_AA_CLR(wirebuf)
#define LDNS_OPCODE_MASK   0x78U
#define LDNS_OPCODE_SHIFT   3
#define LDNS_OPCODE_WIRE(wirebuf)
#define LDNS_OPCODE_SET(wirebuf, opcode)
#define LDNS_QR_MASK   0x80U
#define LDNS_QR_SHIFT   7
#define LDNS_QR_WIRE(wirebuf)
#define LDNS_QR_SET(wirebuf)
#define LDNS_QR_CLR(wirebuf)
#define LDNS_RCODE_MASK   0x0fU
#define LDNS_RCODE_SHIFT   0
#define LDNS_RCODE_WIRE(wirebuf)
#define LDNS_RCODE_SET(wirebuf, rcode)
#define LDNS_CD_MASK   0x10U
#define LDNS_CD_SHIFT   4
#define LDNS_CD_WIRE(wirebuf)
#define LDNS_CD_SET(wirebuf)
#define LDNS_CD_CLR(wirebuf)
#define LDNS_AD_MASK   0x20U
#define LDNS_AD_SHIFT   5
#define LDNS_AD_WIRE(wirebuf)
#define LDNS_AD_SET(wirebuf)
#define LDNS_AD_CLR(wirebuf)
#define LDNS_Z_MASK   0x40U
#define LDNS_Z_SHIFT   6
#define LDNS_Z_WIRE(wirebuf)
#define LDNS_Z_SET(wirebuf)
#define LDNS_Z_CLR(wirebuf)
#define LDNS_RA_MASK   0x80U
#define LDNS_RA_SHIFT   7
#define LDNS_RA_WIRE(wirebuf)
#define LDNS_RA_SET(wirebuf)
#define LDNS_RA_CLR(wirebuf)
#define LDNS_ID_WIRE(wirebuf)
#define LDNS_ID_SET(wirebuf, id)
#define LDNS_QDCOUNT_OFF   4
#define LDNS_QDCOUNT(wirebuf)
#define LDNS_QDCOUNT_SET(wirebuf, i)
#define LDNS_ANCOUNT_OFF   6
#define LDNS_ANCOUNT(wirebuf)
#define LDNS_ANCOUNT_SET(wirebuf, i)
#define LDNS_NSCOUNT_OFF   8
#define LDNS_NSCOUNT(wirebuf)
#define LDNS_NSCOUNT_SET(wirebuf, i)
#define LDNS_ARCOUNT_OFF   10
#define LDNS_ARCOUNT(wirebuf)
#define LDNS_ARCOUNT_SET(wirebuf, i)

Typedefs

typedef enum sldns_enum_pkt_section sldns_pkt_section
typedef enum sldns_enum_pkt_opcode sldns_pkt_opcode
typedef enum sldns_enum_pkt_rcode sldns_pkt_rcode

Enumerations

enum  sldns_enum_pkt_section {
  LDNS_SECTION_QUESTION = 0 , LDNS_SECTION_ANSWER = 1 , LDNS_SECTION_AUTHORITY = 2 , LDNS_SECTION_ADDITIONAL = 3 ,
  LDNS_SECTION_ANY = 4 , LDNS_SECTION_ANY_NOQUESTION = 5
}
 The sections of a packet. More...
enum  sldns_enum_pkt_opcode {
  LDNS_PACKET_QUERY = 0 , LDNS_PACKET_IQUERY = 1 , LDNS_PACKET_STATUS = 2 , LDNS_PACKET_NOTIFY = 4 ,
  LDNS_PACKET_UPDATE = 5
}
enum  sldns_enum_pkt_rcode {
  LDNS_RCODE_NOERROR = 0 , LDNS_RCODE_FORMERR = 1 , LDNS_RCODE_SERVFAIL = 2 , LDNS_RCODE_NXDOMAIN = 3 ,
  LDNS_RCODE_NOTIMPL = 4 , LDNS_RCODE_REFUSED = 5 , LDNS_RCODE_YXDOMAIN = 6 , LDNS_RCODE_YXRRSET = 7 ,
  LDNS_RCODE_NXRRSET = 8 , LDNS_RCODE_NOTAUTH = 9 , LDNS_RCODE_NOTZONE = 10
}

Detailed Description

Contains functions that translate dns data from the wire format (as sent by servers and clients) to the internal structures for the packet header.

Macro Definition Documentation

◆ LDNS_RD_WIRE

#define LDNS_RD_WIRE ( wirebuf)
Value:
(*(wirebuf+2) & LDNS_RD_MASK)

◆ LDNS_RD_SET

#define LDNS_RD_SET ( wirebuf)
Value:
(*(wirebuf+2) |= LDNS_RD_MASK)

◆ LDNS_RD_CLR

#define LDNS_RD_CLR ( wirebuf)
Value:
(*(wirebuf+2) &= ~LDNS_RD_MASK)

◆ LDNS_TC_WIRE

#define LDNS_TC_WIRE ( wirebuf)
Value:
(*(wirebuf+2) & LDNS_TC_MASK)

◆ LDNS_TC_SET

#define LDNS_TC_SET ( wirebuf)
Value:
(*(wirebuf+2) |= LDNS_TC_MASK)

◆ LDNS_TC_CLR

#define LDNS_TC_CLR ( wirebuf)
Value:
(*(wirebuf+2) &= ~LDNS_TC_MASK)

◆ LDNS_AA_WIRE

#define LDNS_AA_WIRE ( wirebuf)
Value:
(*(wirebuf+2) & LDNS_AA_MASK)

◆ LDNS_AA_SET

#define LDNS_AA_SET ( wirebuf)
Value:
(*(wirebuf+2) |= LDNS_AA_MASK)

◆ LDNS_AA_CLR

#define LDNS_AA_CLR ( wirebuf)
Value:
(*(wirebuf+2) &= ~LDNS_AA_MASK)

◆ LDNS_OPCODE_WIRE

#define LDNS_OPCODE_WIRE ( wirebuf)
Value:
((*(wirebuf+2) & LDNS_OPCODE_MASK) >> LDNS_OPCODE_SHIFT)

◆ LDNS_OPCODE_SET

#define LDNS_OPCODE_SET ( wirebuf,
opcode )
Value:
(*(wirebuf+2) = ((*(wirebuf+2)) & ~LDNS_OPCODE_MASK) | ((opcode) << LDNS_OPCODE_SHIFT))

◆ LDNS_QR_WIRE

#define LDNS_QR_WIRE ( wirebuf)
Value:
(*(wirebuf+2) & LDNS_QR_MASK)

◆ LDNS_QR_SET

#define LDNS_QR_SET ( wirebuf)
Value:
(*(wirebuf+2) |= LDNS_QR_MASK)

◆ LDNS_QR_CLR

#define LDNS_QR_CLR ( wirebuf)
Value:
(*(wirebuf+2) &= ~LDNS_QR_MASK)

◆ LDNS_RCODE_WIRE

#define LDNS_RCODE_WIRE ( wirebuf)
Value:
(*(wirebuf+3) & LDNS_RCODE_MASK)

◆ LDNS_RCODE_SET

#define LDNS_RCODE_SET ( wirebuf,
rcode )
Value:
(*(wirebuf+3) = ((*(wirebuf+3)) & ~LDNS_RCODE_MASK) | (rcode))

◆ LDNS_CD_WIRE

#define LDNS_CD_WIRE ( wirebuf)
Value:
(*(wirebuf+3) & LDNS_CD_MASK)

◆ LDNS_CD_SET

#define LDNS_CD_SET ( wirebuf)
Value:
(*(wirebuf+3) |= LDNS_CD_MASK)

◆ LDNS_CD_CLR

#define LDNS_CD_CLR ( wirebuf)
Value:
(*(wirebuf+3) &= ~LDNS_CD_MASK)

◆ LDNS_AD_WIRE

#define LDNS_AD_WIRE ( wirebuf)
Value:
(*(wirebuf+3) & LDNS_AD_MASK)

◆ LDNS_AD_SET

#define LDNS_AD_SET ( wirebuf)
Value:
(*(wirebuf+3) |= LDNS_AD_MASK)

◆ LDNS_AD_CLR

#define LDNS_AD_CLR ( wirebuf)
Value:
(*(wirebuf+3) &= ~LDNS_AD_MASK)

◆ LDNS_Z_WIRE

#define LDNS_Z_WIRE ( wirebuf)
Value:
(*(wirebuf+3) & LDNS_Z_MASK)

◆ LDNS_Z_SET

#define LDNS_Z_SET ( wirebuf)
Value:
(*(wirebuf+3) |= LDNS_Z_MASK)

◆ LDNS_Z_CLR

#define LDNS_Z_CLR ( wirebuf)
Value:
(*(wirebuf+3) &= ~LDNS_Z_MASK)

◆ LDNS_RA_WIRE

#define LDNS_RA_WIRE ( wirebuf)
Value:
(*(wirebuf+3) & LDNS_RA_MASK)

◆ LDNS_RA_SET

#define LDNS_RA_SET ( wirebuf)
Value:
(*(wirebuf+3) |= LDNS_RA_MASK)

◆ LDNS_RA_CLR

#define LDNS_RA_CLR ( wirebuf)
Value:
(*(wirebuf+3) &= ~LDNS_RA_MASK)

◆ LDNS_ID_WIRE

#define LDNS_ID_WIRE ( wirebuf)
Value:
(sldns_read_uint16(wirebuf))

◆ LDNS_ID_SET

#define LDNS_ID_SET ( wirebuf,
id )
Value:
(sldns_write_uint16(wirebuf, id))

◆ LDNS_QDCOUNT

#define LDNS_QDCOUNT ( wirebuf)
Value:
(sldns_read_uint16(wirebuf+LDNS_QDCOUNT_OFF))

◆ LDNS_QDCOUNT_SET

#define LDNS_QDCOUNT_SET ( wirebuf,
i )
Value:
(sldns_write_uint16(wirebuf+LDNS_QDCOUNT_OFF, i))

◆ LDNS_ANCOUNT

#define LDNS_ANCOUNT ( wirebuf)
Value:
(sldns_read_uint16(wirebuf+LDNS_ANCOUNT_OFF))

◆ LDNS_ANCOUNT_SET

#define LDNS_ANCOUNT_SET ( wirebuf,
i )
Value:
(sldns_write_uint16(wirebuf+LDNS_ANCOUNT_OFF, i))

◆ LDNS_NSCOUNT

#define LDNS_NSCOUNT ( wirebuf)
Value:
(sldns_read_uint16(wirebuf+LDNS_NSCOUNT_OFF))

◆ LDNS_NSCOUNT_SET

#define LDNS_NSCOUNT_SET ( wirebuf,
i )
Value:
(sldns_write_uint16(wirebuf+LDNS_NSCOUNT_OFF, i))

◆ LDNS_ARCOUNT

#define LDNS_ARCOUNT ( wirebuf)
Value:
(sldns_read_uint16(wirebuf+LDNS_ARCOUNT_OFF))

◆ LDNS_ARCOUNT_SET

#define LDNS_ARCOUNT_SET ( wirebuf,
i )
Value:
(sldns_write_uint16(wirebuf+LDNS_ARCOUNT_OFF, i))

Enumeration Type Documentation

◆ sldns_enum_pkt_section

enum sldns_enum_pkt_section

The sections of a packet.

Enumerator
LDNS_SECTION_ANY 

bogus section, if not interested

LDNS_SECTION_ANY_NOQUESTION 

used to get all non-question rrs from a packet