18 #ifndef LDNS_WIRE2HOST_H 19 #define LDNS_WIRE2HOST_H 32 #define LDNS_HEADER_SIZE 12 35 #define LDNS_RD_MASK 0x01U 36 #define LDNS_RD_SHIFT 0 37 #define LDNS_RD_WIRE(wirebuf) (*(wirebuf+2) & LDNS_RD_MASK) 38 #define LDNS_RD_SET(wirebuf) (*(wirebuf+2) |= LDNS_RD_MASK) 39 #define LDNS_RD_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_RD_MASK) 41 #define LDNS_TC_MASK 0x02U 42 #define LDNS_TC_SHIFT 1 43 #define LDNS_TC_WIRE(wirebuf) (*(wirebuf+2) & LDNS_TC_MASK) 44 #define LDNS_TC_SET(wirebuf) (*(wirebuf+2) |= LDNS_TC_MASK) 45 #define LDNS_TC_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_TC_MASK) 47 #define LDNS_AA_MASK 0x04U 48 #define LDNS_AA_SHIFT 2 49 #define LDNS_AA_WIRE(wirebuf) (*(wirebuf+2) & LDNS_AA_MASK) 50 #define LDNS_AA_SET(wirebuf) (*(wirebuf+2) |= LDNS_AA_MASK) 51 #define LDNS_AA_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_AA_MASK) 53 #define LDNS_OPCODE_MASK 0x78U 54 #define LDNS_OPCODE_SHIFT 3 55 #define LDNS_OPCODE_WIRE(wirebuf) ((*(wirebuf+2) & LDNS_OPCODE_MASK) >> LDNS_OPCODE_SHIFT) 56 #define LDNS_OPCODE_SET(wirebuf, opcode) \ 57 (*(wirebuf+2) = ((*(wirebuf+2)) & ~LDNS_OPCODE_MASK) | ((opcode) << LDNS_OPCODE_SHIFT)) 59 #define LDNS_QR_MASK 0x80U 60 #define LDNS_QR_SHIFT 7 61 #define LDNS_QR_WIRE(wirebuf) (*(wirebuf+2) & LDNS_QR_MASK) 62 #define LDNS_QR_SET(wirebuf) (*(wirebuf+2) |= LDNS_QR_MASK) 63 #define LDNS_QR_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_QR_MASK) 66 #define LDNS_RCODE_MASK 0x0fU 67 #define LDNS_RCODE_SHIFT 0 68 #define LDNS_RCODE_WIRE(wirebuf) (*(wirebuf+3) & LDNS_RCODE_MASK) 69 #define LDNS_RCODE_SET(wirebuf, rcode) \ 70 (*(wirebuf+3) = ((*(wirebuf+3)) & ~LDNS_RCODE_MASK) | (rcode)) 72 #define LDNS_CD_MASK 0x10U 73 #define LDNS_CD_SHIFT 4 74 #define LDNS_CD_WIRE(wirebuf) (*(wirebuf+3) & LDNS_CD_MASK) 75 #define LDNS_CD_SET(wirebuf) (*(wirebuf+3) |= LDNS_CD_MASK) 76 #define LDNS_CD_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_CD_MASK) 78 #define LDNS_AD_MASK 0x20U 79 #define LDNS_AD_SHIFT 5 80 #define LDNS_AD_WIRE(wirebuf) (*(wirebuf+3) & LDNS_AD_MASK) 81 #define LDNS_AD_SET(wirebuf) (*(wirebuf+3) |= LDNS_AD_MASK) 82 #define LDNS_AD_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_AD_MASK) 84 #define LDNS_Z_MASK 0x40U 85 #define LDNS_Z_SHIFT 6 86 #define LDNS_Z_WIRE(wirebuf) (*(wirebuf+3) & LDNS_Z_MASK) 87 #define LDNS_Z_SET(wirebuf) (*(wirebuf+3) |= LDNS_Z_MASK) 88 #define LDNS_Z_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_Z_MASK) 90 #define LDNS_RA_MASK 0x80U 91 #define LDNS_RA_SHIFT 7 92 #define LDNS_RA_WIRE(wirebuf) (*(wirebuf+3) & LDNS_RA_MASK) 93 #define LDNS_RA_SET(wirebuf) (*(wirebuf+3) |= LDNS_RA_MASK) 94 #define LDNS_RA_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_RA_MASK) 97 #define LDNS_ID_WIRE(wirebuf) (ldns_read_uint16(wirebuf)) 98 #define LDNS_ID_SET(wirebuf, id) (ldns_write_uint16(wirebuf, id)) 101 #define LDNS_QDCOUNT_OFF 4 102 #define LDNS_QDCOUNT(wirebuf) (ldns_read_uint16(wirebuf+LDNS_QDCOUNT_OFF)) 105 #define LDNS_ANCOUNT_OFF 6 106 #define LDNS_ANCOUNT(wirebuf) (ldns_read_uint16(wirebuf+LDNS_ANCOUNT_OFF)) 109 #define LDNS_NSCOUNT_OFF 8 110 #define LDNS_NSCOUNT(wirebuf) (ldns_read_uint16(wirebuf+LDNS_NSCOUNT_OFF)) 113 #define LDNS_ARCOUNT_OFF 10 114 #define LDNS_ARCOUNT(wirebuf) (ldns_read_uint16(wirebuf+LDNS_ARCOUNT_OFF)) ldns_status ldns_buffer2pkt_wire(ldns_pkt **packet, const ldns_buffer *buffer)
converts the data in the ldns_buffer (in wire format) to a DNS packet.
implementation of buffers to ease operations
Defines ldns_rdf and functions to manipulate those.
Contains the definition of ldns_rr and functions to manipulate those.
Defines error numbers and functions to translate those to a readable string.
ldns_status ldns_wire2rr(ldns_rr **rr, const uint8_t *wire, size_t max, size_t *pos, ldns_pkt_section section)
converts the data on the uint8_t bytearray (in wire format) to a DNS resource record.
ldns_status ldns_wire2pkt(ldns_pkt **packet, const uint8_t *data, size_t len)
converts the data on the uint8_t bytearray (in wire format) to a DNS packet.
ldns_status ldns_wire2rdf(ldns_rr *rr, const uint8_t *wire, size_t max, size_t *pos)
converts the data on the uint8_t bytearray (in wire format) to DNS rdata fields, and adds them to the...
enum ldns_enum_status ldns_status
Contains the definition of ldns_pkt and its parts, as well as functions to manipulate those.
Resource record data field.
Common definitions for LDNS.
enum ldns_enum_pkt_section ldns_pkt_section
ldns_status ldns_wire2dname(ldns_rdf **dname, const uint8_t *wire, size_t max, size_t *pos)
converts the data on the uint8_t bytearray (in wire format) to a DNS dname rdata field.