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00011 #include <ldns/rdata.h>
00012
00013 #ifndef _LDNS_WIRE2HOST_H
00014 #define _LDNS_WIRE2HOST_H
00015
00016 #include <ldns/common.h>
00017 #include <ldns/error.h>
00018 #include <ldns/rr.h>
00019 #include <ldns/packet.h>
00020
00021
00022 #define LDNS_HEADER_SIZE 12
00023
00024
00025 #define LDNS_RD_MASK 0x01U
00026 #define LDNS_RD_SHIFT 0
00027 #define LDNS_RD_WIRE(wirebuf) (*(wirebuf+2) & LDNS_RD_MASK)
00028 #define LDNS_RD_SET(wirebuf) (*(wirebuf+2) |= LDNS_RD_MASK)
00029 #define LDNS_RD_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_RD_MASK)
00030
00031 #define LDNS_TC_MASK 0x02U
00032 #define LDNS_TC_SHIFT 1
00033 #define LDNS_TC_WIRE(wirebuf) (*(wirebuf+2) & LDNS_TC_MASK)
00034 #define LDNS_TC_SET(wirebuf) (*(wirebuf+2) |= LDNS_TC_MASK)
00035 #define LDNS_TC_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_TC_MASK)
00036
00037 #define LDNS_AA_MASK 0x04U
00038 #define LDNS_AA_SHIFT 2
00039 #define LDNS_AA_WIRE(wirebuf) (*(wirebuf+2) & LDNS_AA_MASK)
00040 #define LDNS_AA_SET(wirebuf) (*(wirebuf+2) |= LDNS_AA_MASK)
00041 #define LDNS_AA_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_AA_MASK)
00042
00043 #define LDNS_OPCODE_MASK 0x78U
00044 #define LDNS_OPCODE_SHIFT 3
00045 #define LDNS_OPCODE_WIRE(wirebuf) ((*(wirebuf+2) & LDNS_OPCODE_MASK) >> LDNS_OPCODE_SHIFT)
00046 #define LDNS_OPCODE_SET(wirebuf, opcode) \
00047 (*(wirebuf+2) = ((*(wirebuf+2)) & ~LDNS_OPCODE_MASK) | ((opcode) << LDNS_OPCODE_SHIFT))
00048
00049 #define LDNS_QR_MASK 0x80U
00050 #define LDNS_QR_SHIFT 7
00051 #define LDNS_QR_WIRE(wirebuf) (*(wirebuf+2) & LDNS_QR_MASK)
00052 #define LDNS_QR_SET(wirebuf) (*(wirebuf+2) |= LDNS_QR_MASK)
00053 #define LDNS_QR_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_QR_MASK)
00054
00055
00056 #define LDNS_RCODE_MASK 0x0fU
00057 #define LDNS_RCODE_SHIFT 0
00058 #define LDNS_RCODE_WIRE(wirebuf) (*(wirebuf+3) & LDNS_RCODE_MASK)
00059 #define LDNS_RCODE_SET(wirebuf, rcode) \
00060 (*(wirebuf+3) = ((*(wirebuf+3)) & ~LDNS_RCODE_MASK) | (rcode))
00061
00062 #define LDNS_CD_MASK 0x10U
00063 #define LDNS_CD_SHIFT 4
00064 #define LDNS_CD_WIRE(wirebuf) (*(wirebuf+3) & LDNS_CD_MASK)
00065 #define LDNS_CD_SET(wirebuf) (*(wirebuf+3) |= LDNS_CD_MASK)
00066 #define LDNS_CD_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_CD_MASK)
00067
00068 #define LDNS_AD_MASK 0x20U
00069 #define LDNS_AD_SHIFT 5
00070 #define LDNS_AD_WIRE(wirebuf) (*(wirebuf+3) & LDNS_AD_MASK)
00071 #define LDNS_AD_SET(wirebuf) (*(wirebuf+3) |= LDNS_AD_MASK)
00072 #define LDNS_AD_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_AD_MASK)
00073
00074 #define LDNS_Z_MASK 0x40U
00075 #define LDNS_Z_SHIFT 6
00076 #define LDNS_Z_WIRE(wirebuf) (*(wirebuf+3) & LDNS_Z_MASK)
00077 #define LDNS_Z_SET(wirebuf) (*(wirebuf+3) |= LDNS_Z_MASK)
00078 #define LDNS_Z_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_Z_MASK)
00079
00080 #define LDNS_RA_MASK 0x80U
00081 #define LDNS_RA_SHIFT 7
00082 #define LDNS_RA_WIRE(wirebuf) (*(wirebuf+3) & LDNS_RA_MASK)
00083 #define LDNS_RA_SET(wirebuf) (*(wirebuf+3) |= LDNS_RA_MASK)
00084 #define LDNS_RA_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_RA_MASK)
00085
00086
00087 #define LDNS_ID_WIRE(wirebuf) (ldns_read_uint16(wirebuf))
00088
00089
00090 #define LDNS_QDCOUNT_OFF 4
00091
00092
00093
00094 #define LDNS_QDCOUNT(wirebuf) (ldns_read_uint16(wirebuf+LDNS_QDCOUNT_OFF))
00095
00096
00097 #define LDNS_ANCOUNT_OFF 6
00098 #define LDNS_ANCOUNT(wirebuf) (ldns_read_uint16(wirebuf+LDNS_ANCOUNT_OFF))
00099
00100
00101 #define LDNS_NSCOUNT_OFF 8
00102 #define LDNS_NSCOUNT(wirebuf) (ldns_read_uint16(wirebuf+LDNS_NSCOUNT_OFF))
00103
00104
00105 #define LDNS_ARCOUNT_OFF 10
00106 #define LDNS_ARCOUNT(wirebuf) (ldns_read_uint16(wirebuf+LDNS_ARCOUNT_OFF))
00107
00118 ldns_status ldns_wire2pkt(ldns_pkt **packet, const uint8_t *data, size_t len);
00119
00129 ldns_status ldns_buffer2pkt_wire(ldns_pkt **packet, ldns_buffer *buffer);
00130
00144 ldns_status ldns_wire2dname(ldns_rdf **dname, const uint8_t *wire, size_t max, size_t *pos);
00145
00160 ldns_status ldns_wire2rdf(ldns_rr *rr, const uint8_t *wire, size_t max, size_t *pos);
00161
00177 ldns_status ldns_wire2rr(ldns_rr **rr, const uint8_t *wire, size_t max, size_t *pos, ldns_pkt_section section);
00178
00179 #endif