diff options
Diffstat (limited to 'external/unbound/sldns/pkthdr.h')
| -rw-r--r-- | external/unbound/sldns/pkthdr.h | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/external/unbound/sldns/pkthdr.h b/external/unbound/sldns/pkthdr.h deleted file mode 100644 index de9952ea7..000000000 --- a/external/unbound/sldns/pkthdr.h +++ /dev/null @@ -1,158 +0,0 @@ -/* - * pkthdr.h - packet header from wire conversion routines - * - * a Net::DNS like library for C - * - * (c) NLnet Labs, 2005-2006 - * - * See the file LICENSE for the license - */ - -/** - * \file - * - * Contains functions that translate dns data from the wire format (as sent - * by servers and clients) to the internal structures for the packet header. - */ - -#ifndef LDNS_PKTHDR_H -#define LDNS_PKTHDR_H - -#ifdef __cplusplus -extern "C" { -#endif - -/* The length of the header */ -#define LDNS_HEADER_SIZE 12 - -/* First octet of flags */ -#define LDNS_RD_MASK 0x01U -#define LDNS_RD_SHIFT 0 -#define LDNS_RD_WIRE(wirebuf) (*(wirebuf+2) & LDNS_RD_MASK) -#define LDNS_RD_SET(wirebuf) (*(wirebuf+2) |= LDNS_RD_MASK) -#define LDNS_RD_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_RD_MASK) - -#define LDNS_TC_MASK 0x02U -#define LDNS_TC_SHIFT 1 -#define LDNS_TC_WIRE(wirebuf) (*(wirebuf+2) & LDNS_TC_MASK) -#define LDNS_TC_SET(wirebuf) (*(wirebuf+2) |= LDNS_TC_MASK) -#define LDNS_TC_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_TC_MASK) - -#define LDNS_AA_MASK 0x04U -#define LDNS_AA_SHIFT 2 -#define LDNS_AA_WIRE(wirebuf) (*(wirebuf+2) & LDNS_AA_MASK) -#define LDNS_AA_SET(wirebuf) (*(wirebuf+2) |= LDNS_AA_MASK) -#define LDNS_AA_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_AA_MASK) - -#define LDNS_OPCODE_MASK 0x78U -#define LDNS_OPCODE_SHIFT 3 -#define LDNS_OPCODE_WIRE(wirebuf) ((*(wirebuf+2) & LDNS_OPCODE_MASK) >> LDNS_OPCODE_SHIFT) -#define LDNS_OPCODE_SET(wirebuf, opcode) \ - (*(wirebuf+2) = ((*(wirebuf+2)) & ~LDNS_OPCODE_MASK) | ((opcode) << LDNS_OPCODE_SHIFT)) - -#define LDNS_QR_MASK 0x80U -#define LDNS_QR_SHIFT 7 -#define LDNS_QR_WIRE(wirebuf) (*(wirebuf+2) & LDNS_QR_MASK) -#define LDNS_QR_SET(wirebuf) (*(wirebuf+2) |= LDNS_QR_MASK) -#define LDNS_QR_CLR(wirebuf) (*(wirebuf+2) &= ~LDNS_QR_MASK) - -/* Second octet of flags */ -#define LDNS_RCODE_MASK 0x0fU -#define LDNS_RCODE_SHIFT 0 -#define LDNS_RCODE_WIRE(wirebuf) (*(wirebuf+3) & LDNS_RCODE_MASK) -#define LDNS_RCODE_SET(wirebuf, rcode) \ - (*(wirebuf+3) = ((*(wirebuf+3)) & ~LDNS_RCODE_MASK) | (rcode)) - -#define LDNS_CD_MASK 0x10U -#define LDNS_CD_SHIFT 4 -#define LDNS_CD_WIRE(wirebuf) (*(wirebuf+3) & LDNS_CD_MASK) -#define LDNS_CD_SET(wirebuf) (*(wirebuf+3) |= LDNS_CD_MASK) -#define LDNS_CD_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_CD_MASK) - -#define LDNS_AD_MASK 0x20U -#define LDNS_AD_SHIFT 5 -#define LDNS_AD_WIRE(wirebuf) (*(wirebuf+3) & LDNS_AD_MASK) -#define LDNS_AD_SET(wirebuf) (*(wirebuf+3) |= LDNS_AD_MASK) -#define LDNS_AD_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_AD_MASK) - -#define LDNS_Z_MASK 0x40U -#define LDNS_Z_SHIFT 6 -#define LDNS_Z_WIRE(wirebuf) (*(wirebuf+3) & LDNS_Z_MASK) -#define LDNS_Z_SET(wirebuf) (*(wirebuf+3) |= LDNS_Z_MASK) -#define LDNS_Z_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_Z_MASK) - -#define LDNS_RA_MASK 0x80U -#define LDNS_RA_SHIFT 7 -#define LDNS_RA_WIRE(wirebuf) (*(wirebuf+3) & LDNS_RA_MASK) -#define LDNS_RA_SET(wirebuf) (*(wirebuf+3) |= LDNS_RA_MASK) -#define LDNS_RA_CLR(wirebuf) (*(wirebuf+3) &= ~LDNS_RA_MASK) - -/* Query ID */ -#define LDNS_ID_WIRE(wirebuf) (sldns_read_uint16(wirebuf)) -#define LDNS_ID_SET(wirebuf, id) (sldns_write_uint16(wirebuf, id)) - -/* Counter of the question section */ -#define LDNS_QDCOUNT_OFF 4 -/* -#define QDCOUNT(wirebuf) (ntohs(*(uint16_t *)(wirebuf+QDCOUNT_OFF))) -*/ -#define LDNS_QDCOUNT(wirebuf) (sldns_read_uint16(wirebuf+LDNS_QDCOUNT_OFF)) - -/* Counter of the answer section */ -#define LDNS_ANCOUNT_OFF 6 -#define LDNS_ANCOUNT(wirebuf) (sldns_read_uint16(wirebuf+LDNS_ANCOUNT_OFF)) - -/* Counter of the authority section */ -#define LDNS_NSCOUNT_OFF 8 -#define LDNS_NSCOUNT(wirebuf) (sldns_read_uint16(wirebuf+LDNS_NSCOUNT_OFF)) - -/* Counter of the additional section */ -#define LDNS_ARCOUNT_OFF 10 -#define LDNS_ARCOUNT(wirebuf) (sldns_read_uint16(wirebuf+LDNS_ARCOUNT_OFF)) - -/** - * The sections of a packet - */ -enum sldns_enum_pkt_section { - LDNS_SECTION_QUESTION = 0, - LDNS_SECTION_ANSWER = 1, - LDNS_SECTION_AUTHORITY = 2, - LDNS_SECTION_ADDITIONAL = 3, - /** bogus section, if not interested */ - LDNS_SECTION_ANY = 4, - /** used to get all non-question rrs from a packet */ - LDNS_SECTION_ANY_NOQUESTION = 5 -}; -typedef enum sldns_enum_pkt_section sldns_pkt_section; - -/* opcodes for pkt's */ -enum sldns_enum_pkt_opcode { - LDNS_PACKET_QUERY = 0, - LDNS_PACKET_IQUERY = 1, - LDNS_PACKET_STATUS = 2, /* there is no 3?? DNS is weird */ - LDNS_PACKET_NOTIFY = 4, - LDNS_PACKET_UPDATE = 5 -}; -typedef enum sldns_enum_pkt_opcode sldns_pkt_opcode; - -/* rcodes for pkts */ -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 -}; -typedef enum sldns_enum_pkt_rcode sldns_pkt_rcode; - -#ifdef __cplusplus -} -#endif - -#endif /* LDNS_PKTHDR_H */ |