mirror of
https://codeberg.org/anoncontributorxmr/monero.git
synced 2024-11-30 11:13:13 +00:00
502 lines
14 KiB
C
502 lines
14 KiB
C
/*
|
|
* rrdef.h
|
|
*
|
|
* RR definitions
|
|
*
|
|
* a Net::DNS like library for C
|
|
*
|
|
* (c) NLnet Labs, 2005-2006
|
|
*
|
|
* See the file LICENSE for the license
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
*
|
|
* Defines resource record types and constants.
|
|
*/
|
|
|
|
#ifndef LDNS_RRDEF_H
|
|
#define LDNS_RRDEF_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/** Maximum length of a dname label */
|
|
#define LDNS_MAX_LABELLEN 63
|
|
/** Maximum length of a complete dname */
|
|
#define LDNS_MAX_DOMAINLEN 255
|
|
/** Maximum number of pointers in 1 dname */
|
|
#define LDNS_MAX_POINTERS 65535
|
|
/** The bytes TTL, CLASS and length use up in an rr */
|
|
#define LDNS_RR_OVERHEAD 10
|
|
|
|
#define LDNS_DNSSEC_KEYPROTO 3
|
|
#define LDNS_KEY_ZONE_KEY 0x0100 /* set for ZSK&KSK, rfc 4034 */
|
|
#define LDNS_KEY_SEP_KEY 0x0001 /* set for KSK, rfc 4034 */
|
|
#define LDNS_KEY_REVOKE_KEY 0x0080 /* used to revoke KSK, rfc 5011 */
|
|
|
|
/* The first fields are contiguous and can be referenced instantly */
|
|
#define LDNS_RDATA_FIELD_DESCRIPTORS_COMMON 258
|
|
|
|
/** lookuptable for rr classes */
|
|
extern struct sldns_struct_lookup_table* sldns_rr_classes;
|
|
|
|
/**
|
|
* The different RR classes.
|
|
*/
|
|
enum sldns_enum_rr_class
|
|
{
|
|
/** the Internet */
|
|
LDNS_RR_CLASS_IN = 1,
|
|
/** Chaos class */
|
|
LDNS_RR_CLASS_CH = 3,
|
|
/** Hesiod (Dyer 87) */
|
|
LDNS_RR_CLASS_HS = 4,
|
|
/** None class, dynamic update */
|
|
LDNS_RR_CLASS_NONE = 254,
|
|
/** Any class */
|
|
LDNS_RR_CLASS_ANY = 255,
|
|
|
|
LDNS_RR_CLASS_FIRST = 0,
|
|
LDNS_RR_CLASS_LAST = 65535,
|
|
LDNS_RR_CLASS_COUNT = LDNS_RR_CLASS_LAST - LDNS_RR_CLASS_FIRST + 1
|
|
};
|
|
typedef enum sldns_enum_rr_class sldns_rr_class;
|
|
|
|
/**
|
|
* Used to specify whether compression is allowed.
|
|
*/
|
|
enum sldns_enum_rr_compress
|
|
{
|
|
/** compression is allowed */
|
|
LDNS_RR_COMPRESS,
|
|
LDNS_RR_NO_COMPRESS
|
|
};
|
|
typedef enum sldns_enum_rr_compress sldns_rr_compress;
|
|
|
|
/**
|
|
* The different RR types.
|
|
*/
|
|
enum sldns_enum_rr_type
|
|
{
|
|
/** a host address */
|
|
LDNS_RR_TYPE_A = 1,
|
|
/** an authoritative name server */
|
|
LDNS_RR_TYPE_NS = 2,
|
|
/** a mail destination (Obsolete - use MX) */
|
|
LDNS_RR_TYPE_MD = 3,
|
|
/** a mail forwarder (Obsolete - use MX) */
|
|
LDNS_RR_TYPE_MF = 4,
|
|
/** the canonical name for an alias */
|
|
LDNS_RR_TYPE_CNAME = 5,
|
|
/** marks the start of a zone of authority */
|
|
LDNS_RR_TYPE_SOA = 6,
|
|
/** a mailbox domain name (EXPERIMENTAL) */
|
|
LDNS_RR_TYPE_MB = 7,
|
|
/** a mail group member (EXPERIMENTAL) */
|
|
LDNS_RR_TYPE_MG = 8,
|
|
/** a mail rename domain name (EXPERIMENTAL) */
|
|
LDNS_RR_TYPE_MR = 9,
|
|
/** a null RR (EXPERIMENTAL) */
|
|
LDNS_RR_TYPE_NULL = 10,
|
|
/** a well known service description */
|
|
LDNS_RR_TYPE_WKS = 11,
|
|
/** a domain name pointer */
|
|
LDNS_RR_TYPE_PTR = 12,
|
|
/** host information */
|
|
LDNS_RR_TYPE_HINFO = 13,
|
|
/** mailbox or mail list information */
|
|
LDNS_RR_TYPE_MINFO = 14,
|
|
/** mail exchange */
|
|
LDNS_RR_TYPE_MX = 15,
|
|
/** text strings */
|
|
LDNS_RR_TYPE_TXT = 16,
|
|
/** RFC1183 */
|
|
LDNS_RR_TYPE_RP = 17,
|
|
/** RFC1183 */
|
|
LDNS_RR_TYPE_AFSDB = 18,
|
|
/** RFC1183 */
|
|
LDNS_RR_TYPE_X25 = 19,
|
|
/** RFC1183 */
|
|
LDNS_RR_TYPE_ISDN = 20,
|
|
/** RFC1183 */
|
|
LDNS_RR_TYPE_RT = 21,
|
|
/** RFC1706 */
|
|
LDNS_RR_TYPE_NSAP = 22,
|
|
/** RFC1348 */
|
|
LDNS_RR_TYPE_NSAP_PTR = 23,
|
|
/** 2535typecode */
|
|
LDNS_RR_TYPE_SIG = 24,
|
|
/** 2535typecode */
|
|
LDNS_RR_TYPE_KEY = 25,
|
|
/** RFC2163 */
|
|
LDNS_RR_TYPE_PX = 26,
|
|
/** RFC1712 */
|
|
LDNS_RR_TYPE_GPOS = 27,
|
|
/** ipv6 address */
|
|
LDNS_RR_TYPE_AAAA = 28,
|
|
/** LOC record RFC1876 */
|
|
LDNS_RR_TYPE_LOC = 29,
|
|
/** 2535typecode */
|
|
LDNS_RR_TYPE_NXT = 30,
|
|
/** draft-ietf-nimrod-dns-01.txt */
|
|
LDNS_RR_TYPE_EID = 31,
|
|
/** draft-ietf-nimrod-dns-01.txt */
|
|
LDNS_RR_TYPE_NIMLOC = 32,
|
|
/** SRV record RFC2782 */
|
|
LDNS_RR_TYPE_SRV = 33,
|
|
/** http://www.jhsoft.com/rfc/af-saa-0069.000.rtf */
|
|
LDNS_RR_TYPE_ATMA = 34,
|
|
/** RFC2915 */
|
|
LDNS_RR_TYPE_NAPTR = 35,
|
|
/** RFC2230 */
|
|
LDNS_RR_TYPE_KX = 36,
|
|
/** RFC2538 */
|
|
LDNS_RR_TYPE_CERT = 37,
|
|
/** RFC2874 */
|
|
LDNS_RR_TYPE_A6 = 38,
|
|
/** RFC2672 */
|
|
LDNS_RR_TYPE_DNAME = 39,
|
|
/** dnsind-kitchen-sink-02.txt */
|
|
LDNS_RR_TYPE_SINK = 40,
|
|
/** Pseudo OPT record... */
|
|
LDNS_RR_TYPE_OPT = 41,
|
|
/** RFC3123 */
|
|
LDNS_RR_TYPE_APL = 42,
|
|
/** RFC4034, RFC3658 */
|
|
LDNS_RR_TYPE_DS = 43,
|
|
/** SSH Key Fingerprint */
|
|
LDNS_RR_TYPE_SSHFP = 44, /* RFC 4255 */
|
|
/** IPsec Key */
|
|
LDNS_RR_TYPE_IPSECKEY = 45, /* RFC 4025 */
|
|
/** DNSSEC */
|
|
LDNS_RR_TYPE_RRSIG = 46, /* RFC 4034 */
|
|
LDNS_RR_TYPE_NSEC = 47, /* RFC 4034 */
|
|
LDNS_RR_TYPE_DNSKEY = 48, /* RFC 4034 */
|
|
|
|
LDNS_RR_TYPE_DHCID = 49, /* RFC 4701 */
|
|
/* NSEC3 */
|
|
LDNS_RR_TYPE_NSEC3 = 50, /* RFC 5155 */
|
|
LDNS_RR_TYPE_NSEC3PARAM = 51, /* RFC 5155 */
|
|
LDNS_RR_TYPE_NSEC3PARAMS = 51,
|
|
LDNS_RR_TYPE_TLSA = 52, /* RFC 6698 */
|
|
|
|
LDNS_RR_TYPE_HIP = 55, /* RFC 5205 */
|
|
|
|
/** draft-reid-dnsext-zs */
|
|
LDNS_RR_TYPE_NINFO = 56,
|
|
/** draft-reid-dnsext-rkey */
|
|
LDNS_RR_TYPE_RKEY = 57,
|
|
/** draft-ietf-dnsop-trust-history */
|
|
LDNS_RR_TYPE_TALINK = 58,
|
|
LDNS_RR_TYPE_CDS = 59, /** RFC 7344 */
|
|
LDNS_RR_TYPE_CDNSKEY = 60, /** RFC 7344 */
|
|
|
|
LDNS_RR_TYPE_SPF = 99, /* RFC 4408 */
|
|
|
|
LDNS_RR_TYPE_UINFO = 100,
|
|
LDNS_RR_TYPE_UID = 101,
|
|
LDNS_RR_TYPE_GID = 102,
|
|
LDNS_RR_TYPE_UNSPEC = 103,
|
|
|
|
LDNS_RR_TYPE_NID = 104, /* RFC 6742 */
|
|
LDNS_RR_TYPE_L32 = 105, /* RFC 6742 */
|
|
LDNS_RR_TYPE_L64 = 106, /* RFC 6742 */
|
|
LDNS_RR_TYPE_LP = 107, /* RFC 6742 */
|
|
|
|
/** draft-jabley-dnsext-eui48-eui64-rrtypes */
|
|
LDNS_RR_TYPE_EUI48 = 108,
|
|
LDNS_RR_TYPE_EUI64 = 109,
|
|
|
|
LDNS_RR_TYPE_TKEY = 249, /* RFC 2930 */
|
|
LDNS_RR_TYPE_TSIG = 250,
|
|
LDNS_RR_TYPE_IXFR = 251,
|
|
LDNS_RR_TYPE_AXFR = 252,
|
|
/** A request for mailbox-related records (MB, MG or MR) */
|
|
LDNS_RR_TYPE_MAILB = 253,
|
|
/** A request for mail agent RRs (Obsolete - see MX) */
|
|
LDNS_RR_TYPE_MAILA = 254,
|
|
/** any type (wildcard) */
|
|
LDNS_RR_TYPE_ANY = 255,
|
|
LDNS_RR_TYPE_URI = 256, /* RFC 7553 */
|
|
LDNS_RR_TYPE_CAA = 257, /* RFC 6844 */
|
|
|
|
/** DNSSEC Trust Authorities */
|
|
LDNS_RR_TYPE_TA = 32768,
|
|
/* RFC 4431, 5074, DNSSEC Lookaside Validation */
|
|
LDNS_RR_TYPE_DLV = 32769,
|
|
|
|
/* type codes from nsec3 experimental phase
|
|
LDNS_RR_TYPE_NSEC3 = 65324,
|
|
LDNS_RR_TYPE_NSEC3PARAMS = 65325, */
|
|
LDNS_RR_TYPE_FIRST = 0,
|
|
LDNS_RR_TYPE_LAST = 65535,
|
|
LDNS_RR_TYPE_COUNT = LDNS_RR_TYPE_LAST - LDNS_RR_TYPE_FIRST + 1
|
|
};
|
|
typedef enum sldns_enum_rr_type sldns_rr_type;
|
|
|
|
/* RDATA */
|
|
#define LDNS_MAX_RDFLEN 65535
|
|
|
|
#define LDNS_RDF_SIZE_BYTE 1
|
|
#define LDNS_RDF_SIZE_WORD 2
|
|
#define LDNS_RDF_SIZE_DOUBLEWORD 4
|
|
#define LDNS_RDF_SIZE_6BYTES 6
|
|
#define LDNS_RDF_SIZE_8BYTES 8
|
|
#define LDNS_RDF_SIZE_16BYTES 16
|
|
|
|
#define LDNS_NSEC3_VARS_OPTOUT_MASK 0x01
|
|
|
|
#define LDNS_APL_IP4 1
|
|
#define LDNS_APL_IP6 2
|
|
#define LDNS_APL_MASK 0x7f
|
|
#define LDNS_APL_NEGATION 0x80
|
|
|
|
/**
|
|
* The different types of RDATA fields.
|
|
*/
|
|
enum sldns_enum_rdf_type
|
|
{
|
|
/** none */
|
|
LDNS_RDF_TYPE_NONE,
|
|
/** domain name */
|
|
LDNS_RDF_TYPE_DNAME,
|
|
/** 8 bits */
|
|
LDNS_RDF_TYPE_INT8,
|
|
/** 16 bits */
|
|
LDNS_RDF_TYPE_INT16,
|
|
/** 32 bits */
|
|
LDNS_RDF_TYPE_INT32,
|
|
/** A record */
|
|
LDNS_RDF_TYPE_A,
|
|
/** AAAA record */
|
|
LDNS_RDF_TYPE_AAAA,
|
|
/** txt string */
|
|
LDNS_RDF_TYPE_STR,
|
|
/** apl data */
|
|
LDNS_RDF_TYPE_APL,
|
|
/** b32 string */
|
|
LDNS_RDF_TYPE_B32_EXT,
|
|
/** b64 string */
|
|
LDNS_RDF_TYPE_B64,
|
|
/** hex string */
|
|
LDNS_RDF_TYPE_HEX,
|
|
/** nsec type codes */
|
|
LDNS_RDF_TYPE_NSEC,
|
|
/** a RR type */
|
|
LDNS_RDF_TYPE_TYPE,
|
|
/** a class */
|
|
LDNS_RDF_TYPE_CLASS,
|
|
/** certificate algorithm */
|
|
LDNS_RDF_TYPE_CERT_ALG,
|
|
/** a key algorithm */
|
|
LDNS_RDF_TYPE_ALG,
|
|
/** unknown types */
|
|
LDNS_RDF_TYPE_UNKNOWN,
|
|
/** time (32 bits) */
|
|
LDNS_RDF_TYPE_TIME,
|
|
/** period */
|
|
LDNS_RDF_TYPE_PERIOD,
|
|
/** tsig time 48 bits */
|
|
LDNS_RDF_TYPE_TSIGTIME,
|
|
/** Represents the Public Key Algorithm, HIT and Public Key fields
|
|
for the HIP RR types. A HIP specific rdf type is used because of
|
|
the unusual layout in wireformat (see RFC 5205 Section 5) */
|
|
LDNS_RDF_TYPE_HIP,
|
|
/** variable length any type rdata where the length
|
|
is specified by the first 2 bytes */
|
|
LDNS_RDF_TYPE_INT16_DATA,
|
|
/** protocol and port bitmaps */
|
|
LDNS_RDF_TYPE_SERVICE,
|
|
/** location data */
|
|
LDNS_RDF_TYPE_LOC,
|
|
/** well known services */
|
|
LDNS_RDF_TYPE_WKS,
|
|
/** NSAP */
|
|
LDNS_RDF_TYPE_NSAP,
|
|
/** ATMA */
|
|
LDNS_RDF_TYPE_ATMA,
|
|
/** IPSECKEY */
|
|
LDNS_RDF_TYPE_IPSECKEY,
|
|
/** nsec3 hash salt */
|
|
LDNS_RDF_TYPE_NSEC3_SALT,
|
|
/** nsec3 base32 string (with length byte on wire */
|
|
LDNS_RDF_TYPE_NSEC3_NEXT_OWNER,
|
|
|
|
/** 4 shorts represented as 4 * 16 bit hex numbers
|
|
* seperated by colons. For NID and L64.
|
|
*/
|
|
LDNS_RDF_TYPE_ILNP64,
|
|
|
|
/** 6 * 8 bit hex numbers seperated by dashes. For EUI48. */
|
|
LDNS_RDF_TYPE_EUI48,
|
|
/** 8 * 8 bit hex numbers seperated by dashes. For EUI64. */
|
|
LDNS_RDF_TYPE_EUI64,
|
|
|
|
/** A non-zero sequence of US-ASCII letters and numbers in lower case.
|
|
* For CAA.
|
|
*/
|
|
LDNS_RDF_TYPE_TAG,
|
|
|
|
/** A <character-string> encoding of the value field as specified
|
|
* [RFC1035], Section 5.1., encoded as remaining rdata.
|
|
* For CAA, URI.
|
|
*/
|
|
LDNS_RDF_TYPE_LONG_STR,
|
|
|
|
/* Aliases */
|
|
LDNS_RDF_TYPE_BITMAP = LDNS_RDF_TYPE_NSEC
|
|
};
|
|
typedef enum sldns_enum_rdf_type sldns_rdf_type;
|
|
|
|
/**
|
|
* Algorithms used in dns
|
|
*/
|
|
enum sldns_enum_algorithm
|
|
{
|
|
LDNS_RSAMD5 = 1, /* RFC 4034,4035 */
|
|
LDNS_DH = 2,
|
|
LDNS_DSA = 3,
|
|
LDNS_ECC = 4,
|
|
LDNS_RSASHA1 = 5,
|
|
LDNS_DSA_NSEC3 = 6,
|
|
LDNS_RSASHA1_NSEC3 = 7,
|
|
LDNS_RSASHA256 = 8, /* RFC 5702 */
|
|
LDNS_RSASHA512 = 10, /* RFC 5702 */
|
|
LDNS_ECC_GOST = 12, /* RFC 5933 */
|
|
LDNS_ECDSAP256SHA256 = 13, /* RFC 6605 */
|
|
LDNS_ECDSAP384SHA384 = 14, /* RFC 6605 */
|
|
LDNS_INDIRECT = 252,
|
|
LDNS_PRIVATEDNS = 253,
|
|
LDNS_PRIVATEOID = 254
|
|
};
|
|
typedef enum sldns_enum_algorithm sldns_algorithm;
|
|
|
|
/**
|
|
* Hashing algorithms used in the DS record
|
|
*/
|
|
enum sldns_enum_hash
|
|
{
|
|
LDNS_SHA1 = 1, /* RFC 4034 */
|
|
LDNS_SHA256 = 2, /* RFC 4509 */
|
|
LDNS_HASH_GOST = 3, /* RFC 5933 */
|
|
LDNS_SHA384 = 4 /* RFC 6605 */
|
|
};
|
|
typedef enum sldns_enum_hash sldns_hash;
|
|
|
|
/**
|
|
* algorithms used in CERT rrs
|
|
*/
|
|
enum sldns_enum_cert_algorithm
|
|
{
|
|
LDNS_CERT_PKIX = 1,
|
|
LDNS_CERT_SPKI = 2,
|
|
LDNS_CERT_PGP = 3,
|
|
LDNS_CERT_IPKIX = 4,
|
|
LDNS_CERT_ISPKI = 5,
|
|
LDNS_CERT_IPGP = 6,
|
|
LDNS_CERT_ACPKIX = 7,
|
|
LDNS_CERT_IACPKIX = 8,
|
|
LDNS_CERT_URI = 253,
|
|
LDNS_CERT_OID = 254
|
|
};
|
|
typedef enum sldns_enum_cert_algorithm sldns_cert_algorithm;
|
|
|
|
/**
|
|
* EDNS option codes
|
|
*/
|
|
enum sldns_enum_edns_option
|
|
{
|
|
LDNS_EDNS_LLQ = 1, /* http://files.dns-sd.org/draft-sekar-dns-llq.txt */
|
|
LDNS_EDNS_UL = 2, /* http://files.dns-sd.org/draft-sekar-dns-ul.txt */
|
|
LDNS_EDNS_NSID = 3, /* RFC5001 */
|
|
/* 4 draft-cheshire-edns0-owner-option */
|
|
LDNS_EDNS_DAU = 5, /* RFC6975 */
|
|
LDNS_EDNS_DHU = 6, /* RFC6975 */
|
|
LDNS_EDNS_N3U = 7, /* RFC6975 */
|
|
LDNS_EDNS_CLIENT_SUBNET = 8 /* draft-vandergaast-edns-client-subnet */
|
|
};
|
|
typedef enum sldns_enum_edns_option sldns_edns_option;
|
|
|
|
#define LDNS_EDNS_MASK_DO_BIT 0x8000
|
|
|
|
/**
|
|
* Contains all information about resource record types.
|
|
*
|
|
* This structure contains, for all rr types, the rdata fields that are defined.
|
|
*/
|
|
struct sldns_struct_rr_descriptor
|
|
{
|
|
/** Type of the RR that is described here */
|
|
sldns_rr_type _type;
|
|
/** Textual name of the RR type. */
|
|
const char *_name;
|
|
/** Minimum number of rdata fields in the RRs of this type. */
|
|
uint8_t _minimum;
|
|
/** Maximum number of rdata fields in the RRs of this type. */
|
|
uint8_t _maximum;
|
|
/** Wireformat specification for the rr, i.e. the types of rdata fields in their respective order. */
|
|
const sldns_rdf_type *_wireformat;
|
|
/** Special rdf types */
|
|
sldns_rdf_type _variable;
|
|
/** Specifies whether compression can be used for dnames in this RR type. */
|
|
sldns_rr_compress _compress;
|
|
/** The number of DNAMEs in the _wireformat string, for parsing. */
|
|
uint8_t _dname_count;
|
|
};
|
|
typedef struct sldns_struct_rr_descriptor sldns_rr_descriptor;
|
|
|
|
/**
|
|
* returns the resource record descriptor for the given rr type.
|
|
*
|
|
* \param[in] type the type value of the rr type
|
|
*\return the sldns_rr_descriptor for this type
|
|
*/
|
|
const sldns_rr_descriptor *sldns_rr_descript(uint16_t type);
|
|
|
|
/**
|
|
* returns the minimum number of rdata fields of the rr type this descriptor describes.
|
|
*
|
|
* \param[in] descriptor for an rr type
|
|
* \return the minimum number of rdata fields
|
|
*/
|
|
size_t sldns_rr_descriptor_minimum(const sldns_rr_descriptor *descriptor);
|
|
|
|
/**
|
|
* returns the maximum number of rdata fields of the rr type this descriptor describes.
|
|
*
|
|
* \param[in] descriptor for an rr type
|
|
* \return the maximum number of rdata fields
|
|
*/
|
|
size_t sldns_rr_descriptor_maximum(const sldns_rr_descriptor *descriptor);
|
|
|
|
/**
|
|
* returns the rdf type for the given rdata field number of the rr type for the given descriptor.
|
|
*
|
|
* \param[in] descriptor for an rr type
|
|
* \param[in] field the field number
|
|
* \return the rdf type for the field
|
|
*/
|
|
sldns_rdf_type sldns_rr_descriptor_field_type(const sldns_rr_descriptor *descriptor, size_t field);
|
|
|
|
/**
|
|
* retrieves a rrtype by looking up its name.
|
|
* \param[in] name a string with the name
|
|
* \return the type which corresponds with the name
|
|
*/
|
|
sldns_rr_type sldns_get_rr_type_by_name(const char *name);
|
|
|
|
/**
|
|
* retrieves a class by looking up its name.
|
|
* \param[in] name string with the name
|
|
* \return the cass which corresponds with the name
|
|
*/
|
|
sldns_rr_class sldns_get_rr_class_by_name(const char *name);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* LDNS_RRDEF_H */
|