/usr/include/dnscore/rfc.h is in libyadifa-dev 2.1.6-1.
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*
* Copyright (c) 2011-2016, EURid. All rights reserved.
* The YADIFA TM software product is provided under the BSD 3-clause license:
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of EURid nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*------------------------------------------------------------------------------
*
*/
/** @defgroup
* @ingroup dnscore
* @brief
*
*
*
* @{
*
*----------------------------------------------------------------------------*/
#ifndef RFC_H_
#define RFC_H_
#include <dnscore/sys_types.h>
/* ------------------------------------------------------------
*
* INCLUDES
*/
/* ------------------------------------------------------------
*
* VALUES
*/
/* http://en.wikipedia.org/wiki/List_of_DNS_record_types */
/* dns */
#define DNS_HEADER_LENGTH 12 /* rfc 1035 */
#define MAX_LABEL_LENGTH 63 /* rfc 1034 */
#define MAX_DOMAIN_TEXT_LENGTH (MAX_DOMAIN_LENGTH - 1) /* rfc 1034 */
#define MAX_DOMAIN_LENGTH 255 /* rfc 1034 */
#define MAX_LABEL_COUNT ((MAX_DOMAIN_LENGTH + 1) / 2)
#define MAX_SOA_RDATA_LENGTH (255 + 255 + 20)
#define DNS_DEFAULT_PORT 53
/* edns0 */
#define EDNS0_MAX_LENGTH 65535 /* See 4.5.5 in RFC rfc 2671 */
#define EDNS0_MIN_LENGTH 512 /* rfc 2671 */
#define EDNS0_DO 0 /* DNSSEC OK flag */
#define EDNS0_OPT_0 0 /* Reserverd rfc 2671 */
#define EDNS0_OPT_3 3 /* NSID rfc 5001 */
#define DNSPACKET_MAX_LENGTH 0xffff
#define UDPPACKET_MAX_LENGTH 512
#define RDATA_MAX_LENGTH 0xffff
/* dnssec (dns & bind) */
#define DNSSEC_AD 0x20 /* Authenticated Data flag */
#define DNSSEC_CD 0x10 /* Checking Disabled flag */
#define RRSIG_RDATA_HEADER_LEN 18 /* The length of an RRSIG rdata without the
* signer_name and the signature */
#define ID_BITS 0xFF /* rfc 1035 */
// HIGH flags
#define QR_BITS 0x80 /* rfc 1035 */
#define OPCODE_BITS 0x78 /* rfc 1035 */
#define OPCODE_SHIFT 3
#define AA_BITS 0x04 /* rfc 1035 */
#define TC_BITS 0x02 /* rfc 1035 */
#define RD_BITS 0x01 /* rfc 1035 */
// LOW flags
#define RA_BITS 0x80 /* rfc 1035 */
#define Z_BITS 0x40 /* rfc 1035 */
#define AD_BITS 0x20 /* rfc 2065 */
#define CD_BITS 0x10 /* rfc 2065 */
#define RCODE_BITS 0x0F /* rfc 1035 */
#ifdef WORDS_BIGENDIAN
// BIG endian
#define DNS_FLAGS_HAS_QR(f_) (f_ & ((u16)QR_BITS << 8))
#define DNS_FLAGS_GET_OPCODE(f_) ((f_ >> (OPCODE_SHIFT + 8)) & OPCODE_BITS)
#define DNS_FLAGS_HAS_AA(f_) (f_ & ((u16)AA_BITS << 8))
#define DNS_FLAGS_HAS_TC(f_) (f_ & ((u16)TC_BITS << 8))
#define DNS_FLAGS_HAS_RD(f_) (f_ & ((u16)RD_BITS << 8))
#define DNS_FLAGS_HAS_RA(f_) (f_ & ((u16)RA_BITS))
#define DNS_FLAGS_HAS_Z(f_) (f_ & ((u16)Z_BITS))
#define DNS_FLAGS_HAS_AD(f_) (f_ & ((u16)AD_BITS))
#define DNS_FLAGS_HAS_CD(f_) (f_ & ((u16)CD_BITS))
#define DNS_FLAGS_GET_RCODE(f_) (f_ & RCODE_BITS)
#else
#define DNS_FLAGS_HAS_QR(f_) (f_ & ((u16)QR_BITS))
#define DNS_FLAGS_GET_OPCODE(f_) ((f_ >> OPCODE_SHIFT) & OPCODE_BITS)
#define DNS_FLAGS_HAS_AA(f_) (f_ & ((u16)AA_BITS))
#define DNS_FLAGS_HAS_TC(f_) (f_ & ((u16)TC_BITS))
#define DNS_FLAGS_HAS_RD(f_) (f_ & ((u16)RD_BITS))
#define DNS_FLAGS_HAS_RA(f_) (f_ & ((u16)RA_BITS << 8))
#define DNS_FLAGS_HAS_Z(f_) (f_ & ((u16)Z_BITS << 8))
#define DNS_FLAGS_HAS_AD(f_) (f_ & ((u16)AD_BITS << 8))
#define DNS_FLAGS_HAS_CD(f_) (f_ & ((u16)CD_BITS << 8))
#define DNS_FLAGS_GET_RCODE(f_) ((f_ >> 8) & RCODE_BITS)
#endif
#define QDCOUNT_BITS 0xFFFF /* number of questions rfc 1035 */
#define ANCOUNT_BITS 0xFFFF /* number of resource records rfc 1035 */
#define NSCOUNT_BITS 0xFFFF /* name servers in the author.rec. rfc 1035 */
#define ARCOUNT_BITS 0xFFFF /* additional records rfc 1035 */
#define ZOCOUNT_BITS 0xFFFF /* Number of RRs in the Zone Sect. rfc 2136 */
#define PRCOUNT_BITS 0xFFFF /* Number of RRs in the Prereq. Sect. rfc 2136 */
#define UPCOUNT_BITS 0xFFFF /* Number of RRs in the Upd. Sect. rfc 2136 */
#define ADCOUNT_BITS 0xFFFF /* Number of RRs in the Add Sect. rfc 2136 */
#define OPCODE_QUERY (0<<OPCODE_SHIFT) /* a standard query (QUERY) rfc 1035 */
#define OPCODE_IQUERY (1<<OPCODE_SHIFT) /* an inverse query (IQUERY) rfc 3425 */
#define OPCODE_STATUS (2<<OPCODE_SHIFT) /* a server status request (STATUS) rfc 1035 */
#define OPCODE_NOTIFY (4<<OPCODE_SHIFT) /* rfc 1996 */
#define OPCODE_UPDATE (5<<OPCODE_SHIFT) /* update rfc 2136 */
#define RCODE_OK 0 /* No error rfc 1035 */
#define RCODE_NOERROR 0 /* No error rfc 1035 */
#define RCODE_FE 1 /* Format error rfc 1035 */
#define RCODE_FORMERR 1 /* Format error rfc 1035 */
#define RCODE_SF 2 /* Server failure rfc 1035 */
#define RCODE_SERVFAIL 2 /* Server failure rfc 1035 */
#define RCODE_NE 3 /* Name error rfc 1035 */
#define RCODE_NXDOMAIN 3 /* Name error rfc 1035 */
#define RCODE_NI 4 /* Not implemented rfc 1035 */
#define RCODE_NOTIMP 4 /* Not implemented rfc 1035 */
#define RCODE_RE 5 /* Refused rfc 1035 */
#define RCODE_REFUSED 5 /* Refused rfc 1035 */
#define RCODE_YXDOMAIN 6 /* Name exists when it should not rfc 2136 */
#define RCODE_YXRRSET 7 /* RR Set exists when it should not rfc 2136 */
#define RCODE_NXRRSET 8 /* RR set that should exist doesn't rfc 2136 */
#define RCODE_NOTAUTH 9 /* Server not Authortative for zone rfc 2136 */
#define RCODE_NOTZONE 10 /* Name not contained in zone rfc 2136 */
#define RCODE_BADVERS 16 /* Bad OPT Version rfc 2671 */
#define RCODE_BADSIG 16 /* TSIG Signature Failure rfc 2845 */
#define RCODE_BADKEY 17 /* Key not recognized rfc 2845 */
#define RCODE_BADTIME 18 /* Signatue out of time window rfc 2845 */
#define RCODE_BADMODE 19 /* Bad TKEY Mode rfc 2930 */
#define RCODE_BADNAME 20 /* Duplicate key name rfc 2930 */
#define RCODE_BADALG 21 /* Algorithm not supported rfc 2930 */
#define RCODE_BADTRUNC 22 /* Bad Truncation rfc 4635 */
/* EDNS0 */
#define RCODE_EXT_DNSSEC 0x00800000 /* Network-order, DNSSEC requested */
#define TYPE_NONE 0
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ADDRESS | 32 bit address
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_A NU16(1) /* a host address rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ NSDNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NS NU16(2) /* an authoritative name server rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MADNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_MD NU16(3) /* mail destination - OBSOLETE rfc 1035 rfc 882 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MADNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_MF NU16(4) /* mail forwarder - OBSOLETE rfc 1035 rfc 882 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ CNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_CNAME NU16(5) /* the canonical name of a alias rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ RNAME / dns formatted domain name with local-part.
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ Can have '\' before '.'
| SERIAL | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| REFRESH | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| RETRY | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| EXPIRE | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| MINIMUM | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_SOA NU16(6) /* start of a zone of authority rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MADNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_MB NU16(7) /* mailbox domain name - EXPERIMENTAL rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MMGNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_MG NU16(8) /* mail group member - EXPERIMENTAL rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ NEWNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_MR NU16(9) /* mail rename domain name - EXPERIMENTAL rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ <ANYTHING> /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NULL NU16(10) /* a null RR - EXPERIMENTAL rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ADDRESS | 32 bit address ARPA Internet address
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PROTOCOL | | PROTOCOL: 8 bit IP protocol number
+--+--+--+--+--+--+--+--+ |
/ <BIT MAP> / BIT MAP: variable length bit map. The bit map
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ must be a multiple of 8 bits long.
*/
#define TYPE_WKS NU16(11) /* a well known service description rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ PTRNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_PTR NU16(12) /* a domain name pointer rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ CPU / character-string
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ OS / character-string
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_HINFO NU16(13) /* host information rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ RMAILBX / character-string
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ EMAILBX / character-string
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_MINFO NU16(14) /* mailbox or mail list information rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFERENCE | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ EXCHANGE / dns formatted domain name
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_MX NU16(15) /* mail exchange rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TXT-DATA / one or more <character string>s (pascal string)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_TXT NU16(16) /* text strings rfc 1035 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MBOX-DNAME / dns formatted domain name local-part. Can have '\'before .
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TXT-DNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_RP NU16(17) /* For Responsible Person rfc 1183 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| SUBTYPE | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ HOSTNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_AFSDB NU16(18) /* AFS Data Base location rfc 1183 rfc 5864 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ PSDN-ADDRESS / pascal string (numeric only)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_X25 NU16(19) /* X.25 PSDN address rfc 1183 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ ISDN-ADDRESS / pascal string (IA5 allowed)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ SA / pascal string (numeric BCD) (OPTIONAL)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_ISDN NU16(20) /* ISDN address rfc 1183 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFERENCE | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ INTERMEDIATE-HOST / dns formatted domain name
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_RT NU16(21) /* Route Through rfc 1183 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ NSAP (in hex) / binary encoding of NSAP in hex
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
/*
|--------------|
| <-- IDP --> |
|--------------|-------------------------------------|
| AFI | IDI | <-- DSP --> |
|-----|--------|-------------------------------------|
| 47 | 0005 | DFI | AA |Rsvd | RD |Area | ID |Sel |
|-----|--------|-----|----|-----|----|-----|----|----|
octets | 1 | 2 | 1 | 3 | 2 | 2 | 2 | 6 | 1 |
|-----|--------|-----|----|-----|----|-----|----|----|
IDP Initial Domain Part
AFI Authority and Format Identifier
IDI Initial Domain Identifier
DSP Domain Specific Part
DFI DSP Format Identifier
AA Administrative Authority
Rsvd Reserved
RD Routing Domain Identifier
Area Area Identifier
ID System Identifier
SEL NSAP Selector
*/
#define TYPE_NSAP NU16(22) /* NSAP address, NSAP style A record rfc 1706 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ PTRNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NSAP_PTR NU16(23) /* domain name pointer, NSAP style rfc 1348 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| TYPE COVERED | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALGORITHM | LABELS |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ORIGINAL TTL | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| SIGNATURE EXPIRATION | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| SIGNATURE INCEPTION | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| KEY TAG | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ SIGNER'S NAME /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ SIGNATURE /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_SIG NU16(24) /* for security signature rfc 4034 rfc 3755 rfc 2535 rfc 2536 rfc 2537 rfc 2931 rfc 3110 rfc 3008 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| FLAGS | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PROTOCOL | ALGORITHM | PROTOCOL: 8 bit, ALGORITHM: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ PUBLIC KEY /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
/* flags
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
| A/C | Z | XT| Z | Z | NAMTYP| Z | Z | Z | Z | SIG |
+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+---+
*/
#define TYPE_KEY NU16(25) /* for security key rfc 4034 rfc 3755 rfc 2535 rfc 2536 rfc 2537 rfc 2539 rfc 3008 rfc 3110 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFERENCE | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MAP822 / dns formatted domain name
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MAPX400 / dns formatted domain name
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_PX NU16(26) /* X.400 mail mapping information rfc 2163 */
/*
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ LONGITUDE / c-string (representing a real number)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ LATITUDE / c-string (representing a real number)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ ALTITUDE / c-string (representing a real number)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_GPOS NU16(27) /* Geographical Position rfc 1712 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ADDRESS | 32 bit address address
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ADDRESS | 32 bit address address
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ADDRESS | 32 bit address address
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ADDRESS | 32 bit address address
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_AAAA NU16(28) /* IP6 Address rfc 3596 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| VERSION | SIZE | VERSION: 8 bit int, SIZE: 8 bit int
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| HORIZ PRE | VERT PRE | HORIZ PRE: 8 bit int, VERT PRE: 8 bit int
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| LATITUDE | 32 bit integer
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| LONGITUDE | 32 bit integer
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALTITUDE | 32 bit integer
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_LOC NU16(29) /* Location information rfc 1876 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ NEXT DOMAIN NAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TYPE BIT MAPS /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NXT NU16(30) /* Next Domain - OBSOLETE rfc 3755 rfc 2535 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ ENDPOINT IDENTIFIER / string of octets. (Binary encoding of the Identifier,
/ / meaningful only to the system utilizing it)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_EID NU16(31) /* Endpoint Identifier @note undocumented see draft-ietf-nimrod-dns-01.txt */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ NIMROD LOCATOR / variable string of octets. (Binary encoding of the Locator
/ / specified in the Nimrod protocol)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NIMLOC NU16(32) /* Nimrod Locator @note undocumented see draft-ietf-nimrod-dns-01.txt */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PRIORITY | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| WEIGHT | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PORT | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TARGET / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_SRV NU16(33) /* Server selection rfc 2782 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| FORMAT | | FORMAT: 8 bit
+--+--+--+--+--+--+--+--+ | ADDRESS: c-string
/ ADDRESS /
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_ATMA NU16(34) /* ATM Address @note undocumented see ATM Name System V2.0 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ORDER | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFERENCE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ FLAGS / character-string (a-z0-9) can be empty
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ SERVICES / character-string (a-z0-9) can be empty
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ REGEXP / character-string
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ REPLACEMENT / <domain name>
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NAPTR NU16(35) /* Naming Authority Pointer rfc 2915 rfc 2168 rfc 3403 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFERENCE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ EXCHANGER / dns formatted domain name
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_KX NU16(36) /* Key Exchanger rfc 2230 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| TYPE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| KEY TAG | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALGORITHM | /
+--+--+--+--+--+--+--+--+ /
/ /
/ CERTIFICATE OR CRL /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_CERT NU16(37) /* CERT rfc 4398 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFIX | / 8 bit unsigned integer
+--+--+--+--+--+--+--+--+ /
/ /
/ ADDRESS SUFFIX / 0..16 octets
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ PREFIX NAME / uncompressed domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_A6 NU16(38) /* A6 rfc 3226 rfc 2874 rfc 6563 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ DNAME / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_DNAME NU16(39) /* DNAME rfc 6672 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| CODING | SUBCODING | CODING: 8 bit, SUBCODING: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| / c-string
/ DATA /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_SINK NU16(40) /* SINK @note undocumented see The Kitchen Sink Resource Record */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| OPTION-CODE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| OPTION-LENGTH | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| |
/ OPTION-DATA /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| EXTENDED-RCODE | VERSION |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| Z |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_OPT NU16(41) /* edns0 flag rfc 6891 rfc 3225 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ADDRESSFAMILY | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFIX | N| AFDLENGTH | PREFIX: 8 bit unsigned binary coded, N: 1 bit,
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ ADFLENGTH: 7 bit unsigned
/ /
/ AFDPART / address family dependent
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_APL NU16(42) /* APL rfc 3123 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| KEY TAG | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALGORITHM | DIGEST TYPE | ALGORITHM: 8 bit, DIGEST TYPE: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ DIGEST / digest dependent
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_DS NU16(43) /* Delegation Signer rfc 4034 rfc 3658 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALGORITHM | FP TYPE | ALGORITHM: 8 bit, FP TYPE: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ FINGERPRINT /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_SSHFP NU16(44) /* SSH Key Fingerprint rfc 4255 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PRECEDENCE | GATEWAY TYPE | PRECEDENCE: 8 bit, GATEWAY TYPE: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALGORITHM | | ALGORITHM: 8 bit
+--+--+--+--+--+--+--+--+ |
| GATEWAY | GATEWAY: 32 bit IPv4 / 128 bit IPv6 / uncompressed domain name
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ PUBLIC KEY /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_IPSECKEY NU16(45) /* IPSECKEY rfc 4025 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| TYPE COVERED | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALGORITHM | LABELS |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ORIGINAL TTL | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| SIGNATURE EXPIRATION | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| SIGNATURE INCEPTION | 32 bit
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| KEY TAG | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ SIGNER'S NAME /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ SIGNATURE /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_RRSIG NU16(46) /* RRSIG rfc 4034 rfc 3755 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ NEXT DOMAIN NAME /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TYPE NIT MAPS /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NSEC NU16(47) /* NSEC rfc 4034 rfc 3755 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| FLAGS | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PROTOCOL | ALGORITHM | PROTOCOL: 8 bit, ALGORITHM: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ PUBLIC KEY /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_DNSKEY NU16(48) /* DNSKEY rfc 4034 rfc 3755 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| IDENTIFIER TYPE | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| DIGEST TYPE | / 8 bit
+--+--+--+--+--+--+--+--+ /
/ DIGEST / dependent on the digest type
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_DHCID NU16(49) /* DHCID rfc 4701 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| HASH ALGORITHM | FLAGS | HASH ALGORITHM: 8 bit, FLAGS: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ITERATIONS | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| SALT LENGTH | / 8 bit unsigned integer
+--+--+--+--+--+--+--+--+ /
/ SALT / Can be zero length
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| HASH LENGTH | / 8 bit unsigned integer
+--+--+--+--+--+--+--+--+ /
/ NEXT HASHED OWNER NAME / unmodified binary hash value.
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TYPE BIT MAPS /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
/* Flags
0 1 2 3 4 5 6 7
+-+-+-+-+-+-+-+-+
| |O|
+-+-+-+-+-+-+-+-+
^
OPT-OUT flag
*/
#define TYPE_NSEC3 NU16(50) /* NSEC3 rfc 5155 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| HASH ALGORITHM | FLAGS | HASH ALGORITHM: 8 bit, FLAGS: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ITERATIONS | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| SALT LENGTH | / 8 bit unsigned integer
+--+--+--+--+--+--+--+--+ /
/ SALT / Can be zero length
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NSEC3PARAM NU16(51) /* NSEC3PARAM rfc 5155 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| CERTIFICATE USAGE | SELECTOR | CERTIFICATE USAGE: 8 bit, SELECTOR: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MATCHING TYPE | /
+--+--+--+--+--+--+--+--+ /
/ /
/ CERTIFICATE ASSOCIATION DATA /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_TLSA NU16(52) /* TLSA rfc 6698 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| HIT LENGTH | PK ALGORITHM | HIT LENGTH: 8 bit unsigned integer,
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+ PK ALGORITHM: 8 bit unsigned integer
| PK LENGTH | PK LENTH: 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ HIT / binary value in network order
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ PUBLIC KEY / dependent on the type
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ RENDEZVOUS SERVERS / dns formatted domain name
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_HIP NU16(55) /* Host Identity Protocol rfc 5205 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ NINFO-DATA / one or more c-strings
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NINFO NU16(56) /* NINFO @note undocumented see draft-reid-dnsext-zs-01.txt */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| FLAGS | 16 bit: (value 0)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PROTOCOL | ALGORITHM | PROTOCOL: 8 bit (value 1), ALGORITHM: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ PUBLIC KEY /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_RKEY NU16(57) /* RKEY @note undocumented see draft-reid-dnsext-rkey-00.txt */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TALINK START/PREVIOUS / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TALINK NEXT/END / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_TALINK NU16(58) /* Trust Anchor LINK @note undocumented see talink-completed-template */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| KEY TAG | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALGORITHM | DIGEST TYPE | ALGORITHM: 8 bit, DIGEST TYPE: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ DIGEST / digest dependent
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_CDS NU16(59) /* Child DS rfc 7344 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ SPF-DATA / one or more c-strings
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_SPF NU16(99) /* SPF rfc7208 */
#define TYPE_UINFO NU16(100) /* IANA-Reserved */
#define TYPE_UID NU16(101) /* IANA-Reserved */
#define TYPE_GID NU16(102) /* IANA-Reserved */
#define TYPE_UNSPEC NU16(103) /* IANA-Reserved */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFERENCE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| |
| NODEID | 64 bit
| |
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_NID NU16(104) /* NODE ID rfc 6742 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFERENCE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| LOCATOR32 | 32 bit unsigned integer
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_L32 NU16(105) /* LOCATOR 32 rfc 6742 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFERENCE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| |
| LOCATOR64 | 64 bit unsigned integer
| |
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_L64 NU16(106) /* LOCATOR 64 rfc 6742 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PREFERENCE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ FQDN / dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_LP NU16(107) /* LOCATOR POINTER rfc 6742 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| |
| EUI-48 ADDRESS | 48 bit (MUST be represented as six two-digit hexadecimal
| | numbers separated by hyphens)
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_EUI48 NU16(108) /* EUI-48 address rfc 7043 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| |
| EUI-64 ADDRESS | 64 bit (MUST be represented as six two-digit hexadecimal
| | numbers separated by hyphens)
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_EUI64 NU16(109) /* EUI-64 address rfc 7043 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ ALGORITHM / algorithm in dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| INCEPTION | 32 bit unsigned integer
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| EXPIRATION | 32 bit unsigned integer
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| MODE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ERROR | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| KEY SIZE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ KEY DATA /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| OTHER SIZE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ OTHER DATA /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_TKEY NU16(249) /* Transaction Key rfc 2930 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ ALGORITHM / algorithm in dns formatted domain name
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| |
| INCEPTION | 48 bit unsigned integer
| |
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| FUDGE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| MAC SIZE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ MAC /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ORIGINAL ID | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ERROR | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| OTHER SIZE | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ OTHER DATA /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_TSIG NU16(250) /* Transaction Signature rfc 2845 */
#define TYPE_IXFR NU16(251) /* Incremental Transfer rfc 1995 */
#define TYPE_AXFR NU16(252) /* Transfer of an entire zone rfc 1035 rfc 5936 */
#define TYPE_MAILB NU16(253) /* A request for mailbox-related records (MB, MG or MR) rfc 1035 */
#define TYPE_MAILA NU16(254) /* A request for mail agent RRs (Obsolete - see MX) rfc 1035 */
#define TYPE_ANY NU16(255) /* a request for all records rfc 1035 rfc 6895 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| PRIORITY | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| WEIGHT | 16 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ TARGET /
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_URI NU16(256) /* URI @note undocumented see draft-faltstrom-uri-14 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| FLAGS | TAG LENGTH | FLAGS: 8 bit, TAG LENGTH: 8 bit unsigned integer
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ TAG /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ VALUE /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_CAA NU16(257) /* Certification Authority Authorization rfc 6844 */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| KEY TAG | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALGORITHM | DIGEST TYPE | ALGORITHM: 8 bit, DIGEST TYPE: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ DIGEST / digest dependent
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_TA NU16(32768) /* DNSSEC Trust Authorities @note undocumented see Deploying DNSSEC Without a Signed Root */
/*
1 1 1 1 1 1
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| KEY TAG | 16 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
| ALGORITHM | DIGEST TYPE | ALGORITHM: 8 bit, DIGEST TYPE: 8 bit
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
/ /
/ DIGEST / digest dependent
/ /
+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
*/
#define TYPE_DLV NU16(32769) /* DNSSEC Lookaside Validation rfc 4431 */
#define TYPE_PRIVATE_FIRST NU16(65280)
#define TYPE_PRIVATE_LAST NU16(65534)
#define HOST_CLASS_IN 1 /* the Internet rfc 1025 */
#define CLASS_IN NU16(HOST_CLASS_IN) /* the Internet rfc 1025 */
#define CLASS_CS NU16(2) /* CSNET class rfc 1025 */
#define CLASS_CH NU16(3) /* the CHAOS class rfc 1025 */
#define CLASS_HS NU16(4) /* Hesiod rfc 1025 */
#define CLASS_CTRL NU16(0x2A) /* @note Yadifa controller class */
#if HAS_WHOIS
#define CLASS_WHOIS NU16(0x2B) /* @note WHOIS class */
#endif // HAS_WHOIS
#if HAS_DNSQ
#define CLASS_DNSQ NU16(0x2C) /* @note DNSQuality class */
#endif // HAS_DNSQ
#define CLASS_NONE NU16(254) /* rfc 2136 rfc 2136 */
#define CLASS_ANY NU16(255) /* rfc 1035 QCLASS ONLY rfc 1025 */
/* -----------------------------------------------------------------*/
#define AXFR_TSIG_PERIOD 100
/* -----------------------------------------------------------------*/
#ifdef WORDS_BIGENDIAN
#define DNSKEY_FLAG_KEYSIGNINGKEY 0x0001
#define DNSKEY_FLAG_ZONEKEY 0x0100
#else
#define DNSKEY_FLAG_KEYSIGNINGKEY 0x0100
#define DNSKEY_FLAG_ZONEKEY 0x0001
#endif
#define DNSKEY_PROTOCOL_FIELD 3 /* MUST be this */
#define DNSKEY_ALGORITHM_DSASHA1 3
#define DNSKEY_ALGORITHM_RSASHA1 5
#define DNSKEY_ALGORITHM_DSASHA1_NSEC3 6
#define DNSKEY_ALGORITHM_RSASHA1_NSEC3 7
#define DNSKEY_ALGORITHM_RSASHA256_NSEC3 8 /* RFC 5702 */
#define DNSKEY_ALGORITHM_RSASHA512_NSEC3 10 /* RFC 5702 */
#define DNSKEY_ALGORITHM_ECDSAP256SHA256 13 /* RFC 6605 */
#define DNSKEY_ALGORITHM_ECDSAP384SHA384 14 /* RFC 6605 */
#define DS_DIGEST_SHA1 1
#define DS_DIGEST_SHA256 2
#define NSEC3_FLAGS_OPTOUT 1 /* */
/* -----------------------------------------------------------------*/
#define IS_TYPE_PRIVATE(t) ( ((t) >= 65280) && ( (t) <= 65534))
#define IS_TYPE_NPRIVATE(t) ( (NU16(t) >= 65280) && ( NU16(t) <= 65534))
/* ------------------------------------------------------------
*
* STRUCTS
*/
#define EDNS0_RECORD_SIZE 11
/* rfc 2671 */
struct edns0_data
{
u8 domain_name; /* must be empty */
u16 opt;
u16 payload_size;
u8 extended_rcode; /* extended rcode and flags */
u8 version; /* extended rcode and flags */
u8 z_bits; /* extended rcode and flags */
u8 option_code;
u16 option_length;
};
typedef struct edns0_data edns0_data;
/* - */
typedef struct value_name_table value_name_table;
struct value_name_table
{
u32 id;
char *data;
};
typedef value_name_table class_table;
typedef value_name_table type_table;
typedef struct message_header message_header;
struct message_header
{
u16 id;
u16 opcode;
u16 qdcount;
u16 ancount;
u16 nscount;
u16 arcount;
};
/* ------------------------------------------------------------ */
#define CLASS_IN_NAME "IN"
#define CLASS_CS_NAME "CS"
#define CLASS_CH_NAME "CH"
#define CLASS_HS_NAME "HS"
#define CLASS_CTRL_NAME "CTRL" /* @note YADIFA's personal class, maybe one day in a RFC */
#define CLASS_NONE_NAME "NONE"
#define CLASS_ANY_NAME "ANY"
extern const class_table qclass[];
#define TYPE_A_NAME "A"
#define TYPE_NS_NAME "NS"
#define TYPE_MD_NAME "MD"
#define TYPE_MF_NAME "MF"
#define TYPE_CNAME_NAME "CNAME"
#define TYPE_SOA_NAME "SOA"
#define TYPE_MB_NAME "MB"
#define TYPE_MG_NAME "MG"
#define TYPE_MR_NAME "MR"
#define TYPE_NULL_NAME "NULL"
#define TYPE_WKS_NAME "WKS"
#define TYPE_PTR_NAME "PTR"
#define TYPE_HINFO_NAME "HINFO"
#define TYPE_MINFO_NAME "MINFO"
#define TYPE_MX_NAME "MX"
#define TYPE_TXT_NAME "TXT"
#define TYPE_RP_NAME "RP"
#define TYPE_AFSDB_NAME "AFSDB"
#define TYPE_X25_NAME "X25"
#define TYPE_ISDN_NAME "ISDN"
#define TYPE_RT_NAME "RT"
#define TYPE_NSAP_NAME "NSAP"
#define TYPE_NSAP_PTR_NAME "NSAP-PTR"
#define TYPE_SIG_NAME "SIG"
#define TYPE_KEY_NAME "KEY"
#define TYPE_PX_NAME "PX"
#define TYPE_GPOS_NAME "GPOS"
#define TYPE_AAAA_NAME "AAAA"
#define TYPE_LOC_NAME "LOC"
#define TYPE_NXT_NAME "NXT"
#define TYPE_EID_NAME "EID" /* @note undocumented see draft-lewis-dns-undocumented-types-01 */
#define TYPE_NIMLOC_NAME "NIMLOC" /* @note undocumented see draft-lewis-dns-undocumented-types-01 */
#define TYPE_SRV_NAME "SRV"
#define TYPE_ATMA_NAME "ATMA"
#define TYPE_NAPTR_NAME "NAPTR"
#define TYPE_KX_NAME "KX"
#define TYPE_CERT_NAME "CERT"
#define TYPE_A6_NAME "A6"
#define TYPE_DNAME_NAME "DNAME"
#define TYPE_SINK_NAME "SINK" /* @note undocumented see draft-lewis-dns-undocumented-types-01 */
#define TYPE_OPT_NAME "OPT"
#define TYPE_APL_NAME "APL"
#define TYPE_DS_NAME "DS"
#define TYPE_SSHFP_NAME "SSHFP"
#define TYPE_IPSECKEY_NAME "IPSECKEY"
#define TYPE_RRSIG_NAME "RRSIG"
#define TYPE_NSEC_NAME "NSEC"
#define TYPE_DNSKEY_NAME "DNSKEY"
#define TYPE_DHCID_NAME "DHCID"
#define TYPE_NSEC3_NAME "NSEC3"
#define TYPE_NSEC3PARAM_NAME "NSEC3PARAM"
#define TYPE_TLSA_NAME "TLSA"
#define TYPE_HIP_NAME "HIP"
#define TYPE_NINFO_NAME "NINFO" /* @note undocumented see draft-lewis-dns-undocumented-types-01 */
#define TYPE_RKEY_NAME "RKEY" /* @note undocumented see draft-lewis-dns-undocumented-types-01 */
#define TYPE_TALINK_NAME "TALINK" /* @note undocumented see draft-lewis-dns-undocumented-types-01 */
#define TYPE_CDS_NAME "CDS"
#define TYPE_SPF_NAME "SPF"
#define TYPE_UINFO_NAME "UINFO"
#define TYPE_UID_NAME "UID"
#define TYPE_GID_NAME "GID"
#define TYPE_UNSPEC_NAME "UNSPEC"
#define TYPE_NID_NAME "NID"
#define TYPE_L32_NAME "L32"
#define TYPE_L64_NAME "L64"
#define TYPE_LP_NAME "LP"
#define TYPE_EUI48_NAME "EUI48"
#define TYPE_EUI64_NAME "EUI64"
#define TYPE_TKEY_NAME "TKEY"
#define TYPE_TSIG_NAME "TSIG"
#define TYPE_IXFR_NAME "IXFR"
#define TYPE_AXFR_NAME "AXFR"
#define TYPE_MAILB_NAME "MAILB"
#define TYPE_MAILA_NAME "MAILA"
#define TYPE_ANY_NAME "ANY" /** @note type ANY's string was set to '*' ?
* Setting this to anything else will break
* dnsformat:358
*/
#define TYPE_URI_NAME "URI" /* @note undocumented see draft-lewis-dns-undocumented-types-01 */
#define TYPE_CAA_NAME "CAA" /* @note undocumented see draft-lewis-dns-undocumented-types-01 */
#define TYPE_TA_NAME "TA" /* @note undocumented see draft-lewis-dns-undocumented-types-01 */
#define TYPE_DLV_NAME "DLV"
#define OPT_NSID 3 // the option value for NSID
extern const type_table qtype[];
/**
* Static asciiz representation of a dns class
*
* @param c
* @return the c-string
*/
const char *get_name_from_class(u16 c);
/**
* Static asciiz representation of a dns type
*
* @param c
* @return the c-string
*/
const char *get_name_from_type(u16 t);
/** \brief Get the numeric value of a class (network order) from its name
*
* @param[in] src the name of the class
* @param[out] dst value of the class, network order
*
* @retval OK
* @retval NOK
*/
int get_class_from_name(const char *src, u16 *dst);
/** \brief Get the numeric value of a class (network order) from its name
* Case insensitive
*
* @param[in] src the name of the class (case insensitive)
* @param[out] dst value of the class, network order
*
* @retval OK
* @retval NOK
*/
int get_class_from_case_name(const char *src, u16 *dst);
/** \brief Get the numeric value of a type (network order) from its name
*
* @param[in] src the name of the type
* @param[out] dst value of the type, network order
*
* @retval OK
* @retval NOK
*/
int get_type_from_name(const char *src, u16 *dst);
/** \brief Get the numeric value of a type (network order) from its name
* Case insensitive
*
* @param[in] src the name of the type (case insensitive)
* @param[out] dst value of the type, network order
*
* @retval OK
* @retval NOK
*/
int get_type_from_case_name(const char *src, u16 *dst);
int get_type_from_case_name_len(const char *src, int src_len, u16 *dst);
/**
* @brief Case-insensitive search for the name in the table, returns the value
*
* @param table the name->value table
* @param name the name to look for
* @param out_value a pointer to an u32 that will hold the value in case of a match
*
* @return SUCCESS iff the name was matched
*/
ya_result get_value_from_casename(const value_name_table *table, const char *name, u32 *out_value);
/**
* @brief Static asciiz representation of a dns opcode
*
* @param c
*
* @return the c-string
*/
const char *get_opcode(u16 c);
/**
* @brief Static asciiz representation of a dns rcode
*
* @param c
*
* @return the c-string
*/
const char *get_rcode(u16 c);
#if HAS_NSID_SUPPORT
#ifndef DNSCORE_RFC_C
extern u32 edns0_record_size;
extern u8 *edns0_rdatasize_nsid_option_wire;
extern u32 edns0_rdatasize_nsid_option_wire_size;
#endif
void edns0_set_nsid(u8 *bytes, u16 size);
#endif
#endif /* RFC_H_ */
/** @} */
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