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#ifndef ARES_NAMESER_H
#define ARES_NAMESER_H
#include "ares_build.h"
#ifdef CARES_HAVE_ARPA_NAMESER_H
# include <arpa/nameser.h>
#endif
#ifdef CARES_HAVE_ARPA_NAMESER_COMPAT_H
# include <arpa/nameser_compat.h>
#endif
/* ============================================================================
* arpa/nameser.h may or may not provide ALL of the below defines, so check
* each one individually and set if not
* ============================================================================
*/
#ifndef NS_PACKETSZ
# define NS_PACKETSZ 512 /* maximum packet size */
#endif
#ifndef NS_MAXDNAME
# define NS_MAXDNAME 256 /* maximum domain name */
#endif
#ifndef NS_MAXCDNAME
# define NS_MAXCDNAME 255 /* maximum compressed domain name */
#endif
#ifndef NS_MAXLABEL
# define NS_MAXLABEL 63
#endif
#ifndef NS_HFIXEDSZ
# define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */
#endif
#ifndef NS_QFIXEDSZ
# define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */
#endif
#ifndef NS_RRFIXEDSZ
# define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */
#endif
#ifndef NS_INT16SZ
# define NS_INT16SZ 2
#endif
#ifndef NS_INADDRSZ
# define NS_INADDRSZ 4
#endif
#ifndef NS_IN6ADDRSZ
# define NS_IN6ADDRSZ 16
#endif
#ifndef NS_CMPRSFLGS
# define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */
#endif
#ifndef NS_DEFAULTPORT
# define NS_DEFAULTPORT 53 /* For both TCP and UDP. */
#endif
/* ============================================================================
* arpa/nameser.h should provide these enumerations always, so if not found,
* provide them
* ============================================================================
*/
#ifndef CARES_HAVE_ARPA_NAMESER_H
typedef enum __ns_class {
ns_c_invalid = 0, /* Cookie. */
ns_c_in = 1, /* Internet. */
ns_c_2 = 2, /* unallocated/unsupported. */
ns_c_chaos = 3, /* MIT Chaos-net. */
ns_c_hs = 4, /* MIT Hesiod. */
/* Query class values which do not appear in resource records */
ns_c_none = 254, /* for prereq. sections in update requests */
ns_c_any = 255, /* Wildcard match. */
ns_c_max = 65536
} ns_class;
typedef enum __ns_type {
ns_t_invalid = 0, /* Cookie. */
ns_t_a = 1, /* Host address. */
ns_t_ns = 2, /* Authoritative server. */
ns_t_md = 3, /* Mail destination. */
ns_t_mf = 4, /* Mail forwarder. */
ns_t_cname = 5, /* Canonical name. */
ns_t_soa = 6, /* Start of authority zone. */
ns_t_mb = 7, /* Mailbox domain name. */
ns_t_mg = 8, /* Mail group member. */
ns_t_mr = 9, /* Mail rename name. */
ns_t_null = 10, /* Null resource record. */
ns_t_wks = 11, /* Well known service. */
ns_t_ptr = 12, /* Domain name pointer. */
ns_t_hinfo = 13, /* Host information. */
ns_t_minfo = 14, /* Mailbox information. */
ns_t_mx = 15, /* Mail routing information. */
ns_t_txt = 16, /* Text strings. */
ns_t_rp = 17, /* Responsible person. */
ns_t_afsdb = 18, /* AFS cell database. */
ns_t_x25 = 19, /* X_25 calling address. */
ns_t_isdn = 20, /* ISDN calling address. */
ns_t_rt = 21, /* Router. */
ns_t_nsap = 22, /* NSAP address. */
ns_t_nsap_ptr = 23, /* Reverse NSAP lookup (deprecated). */
ns_t_sig = 24, /* Security signature. */
ns_t_key = 25, /* Security key. */
ns_t_px = 26, /* X.400 mail mapping. */
ns_t_gpos = 27, /* Geographical position (withdrawn). */
ns_t_aaaa = 28, /* Ip6 Address. */
ns_t_loc = 29, /* Location Information. */
ns_t_nxt = 30, /* Next domain (security). */
ns_t_eid = 31, /* Endpoint identifier. */
ns_t_nimloc = 32, /* Nimrod Locator. */
ns_t_srv = 33, /* Server Selection. */
ns_t_atma = 34, /* ATM Address */
ns_t_naptr = 35, /* Naming Authority PoinTeR */
ns_t_kx = 36, /* Key Exchange */
ns_t_cert = 37, /* Certification record */
ns_t_a6 = 38, /* IPv6 address (deprecates AAAA) */
ns_t_dname = 39, /* Non-terminal DNAME (for IPv6) */
ns_t_sink = 40, /* Kitchen sink (experimentatl) */
ns_t_opt = 41, /* EDNS0 option (meta-RR) */
ns_t_apl = 42, /* Address prefix list (RFC3123) */
ns_t_ds = 43, /* Delegation Signer (RFC4034) */
ns_t_sshfp = 44, /* SSH Key Fingerprint (RFC4255) */
ns_t_rrsig = 46, /* Resource Record Signature (RFC4034) */
ns_t_nsec = 47, /* Next Secure (RFC4034) */
ns_t_dnskey = 48, /* DNS Public Key (RFC4034) */
ns_t_tkey = 249, /* Transaction key */
ns_t_tsig = 250, /* Transaction signature. */
ns_t_ixfr = 251, /* Incremental zone transfer. */
ns_t_axfr = 252, /* Transfer zone of authority. */
ns_t_mailb = 253, /* Transfer mailbox records. */
ns_t_maila = 254, /* Transfer mail agent records. */
ns_t_any = 255, /* Wildcard match. */
ns_t_uri = 256, /* Uniform Resource Identifier (RFC7553) */
ns_t_caa = 257, /* Certification Authority Authorization. */
ns_t_max = 65536
} ns_type;
typedef enum __ns_opcode {
ns_o_query = 0, /* Standard query. */
ns_o_iquery = 1, /* Inverse query (deprecated/unsupported). */
ns_o_status = 2, /* Name server status query (unsupported). */
/* Opcode 3 is undefined/reserved. */
ns_o_notify = 4, /* Zone change notification. */
ns_o_update = 5, /* Zone update message. */
ns_o_max = 6
} ns_opcode;
typedef enum __ns_rcode {
ns_r_noerror = 0, /* No error occurred. */
ns_r_formerr = 1, /* Format error. */
ns_r_servfail = 2, /* Server failure. */
ns_r_nxdomain = 3, /* Name error. */
ns_r_notimpl = 4, /* Unimplemented. */
ns_r_refused = 5, /* Operation refused. */
/* these are for BIND_UPDATE */
ns_r_yxdomain = 6, /* Name exists */
ns_r_yxrrset = 7, /* RRset exists */
ns_r_nxrrset = 8, /* RRset does not exist */
ns_r_notauth = 9, /* Not authoritative for zone */
ns_r_notzone = 10, /* Zone of record different from zone section */
ns_r_max = 11,
/* The following are TSIG extended errors */
ns_r_badsig = 16,
ns_r_badkey = 17,
ns_r_badtime = 18
} ns_rcode;
#endif /* CARES_HAVE_ARPA_NAMESER_H */
/* ============================================================================
* arpa/nameser_compat.h typically sets these. However on some systems
* arpa/nameser.h does, but may not set all of them. Lets conditionally
* define each
* ============================================================================
*/
#ifndef PACKETSZ
# define PACKETSZ NS_PACKETSZ
#endif
#ifndef MAXDNAME
# define MAXDNAME NS_MAXDNAME
#endif
#ifndef MAXCDNAME
# define MAXCDNAME NS_MAXCDNAME
#endif
#ifndef MAXLABEL
# define MAXLABEL NS_MAXLABEL
#endif
#ifndef HFIXEDSZ
# define HFIXEDSZ NS_HFIXEDSZ
#endif
#ifndef QFIXEDSZ
# define QFIXEDSZ NS_QFIXEDSZ
#endif
#ifndef RRFIXEDSZ
# define RRFIXEDSZ NS_RRFIXEDSZ
#endif
#ifndef INDIR_MASK
# define INDIR_MASK NS_CMPRSFLGS
#endif
#ifndef NAMESERVER_PORT
# define NAMESERVER_PORT NS_DEFAULTPORT
#endif
/* opcodes */
#ifndef O_QUERY
# define O_QUERY 0 /* ns_o_query */
#endif
#ifndef O_IQUERY
# define O_IQUERY 1 /* ns_o_iquery */
#endif
#ifndef O_STATUS
# define O_STATUS 2 /* ns_o_status */
#endif
#ifndef O_NOTIFY
# define O_NOTIFY 4 /* ns_o_notify */
#endif
#ifndef O_UPDATE
# define O_UPDATE 5 /* ns_o_update */
#endif
/* response codes */
#ifndef SERVFAIL
# define SERVFAIL ns_r_servfail
#endif
#ifndef NOTIMP
# define NOTIMP ns_r_notimpl
#endif
#ifndef REFUSED
# define REFUSED ns_r_refused
#endif
#if defined(_WIN32) && !defined(HAVE_ARPA_NAMESER_COMPAT_H) && defined(NOERROR)
# undef NOERROR /* it seems this is already defined in winerror.h */
#endif
#ifndef NOERROR
# define NOERROR ns_r_noerror
#endif
#ifndef FORMERR
# define FORMERR ns_r_formerr
#endif
#ifndef NXDOMAIN
# define NXDOMAIN ns_r_nxdomain
#endif
/* Non-standard response codes, use numeric values */
#ifndef YXDOMAIN
# define YXDOMAIN 6 /* ns_r_yxdomain */
#endif
#ifndef YXRRSET
# define YXRRSET 7 /* ns_r_yxrrset */
#endif
#ifndef NXRRSET
# define NXRRSET 8 /* ns_r_nxrrset */
#endif
#ifndef NOTAUTH
# define NOTAUTH 9 /* ns_r_notauth */
#endif
#ifndef NOTZONE
# define NOTZONE 10 /* ns_r_notzone */
#endif
#ifndef TSIG_BADSIG
# define TSIG_BADSIG 16 /* ns_r_badsig */
#endif
#ifndef TSIG_BADKEY
# define TSIG_BADKEY 17 /* ns_r_badkey */
#endif
#ifndef TSIG_BADTIME
# define TSIG_BADTIME 18 /* ns_r_badtime */
#endif
/* classes */
#ifndef C_IN
# define C_IN 1 /* ns_c_in */
#endif
#ifndef C_CHAOS
# define C_CHAOS 3 /* ns_c_chaos */
#endif
#ifndef C_HS
# define C_HS 4 /* ns_c_hs */
#endif
#ifndef C_NONE
# define C_NONE 254 /* ns_c_none */
#endif
#ifndef C_ANY
# define C_ANY 255 /* ns_c_any */
#endif
/* types */
#ifndef T_A
# define T_A 1 /* ns_t_a */
#endif
#ifndef T_NS
# define T_NS 2 /* ns_t_ns */
#endif
#ifndef T_MD
# define T_MD 3 /* ns_t_md */
#endif
#ifndef T_MF
# define T_MF 4 /* ns_t_mf */
#endif
#ifndef T_CNAME
# define T_CNAME 5 /* ns_t_cname */
#endif
#ifndef T_SOA
# define T_SOA 6 /* ns_t_soa */
#endif
#ifndef T_MB
# define T_MB 7 /* ns_t_mb */
#endif
#ifndef T_MG
# define T_MG 8 /* ns_t_mg */
#endif
#ifndef T_MR
# define T_MR 9 /* ns_t_mr */
#endif
#ifndef T_NULL
# define T_NULL 10 /* ns_t_null */
#endif
#ifndef T_WKS
# define T_WKS 11 /* ns_t_wks */
#endif
#ifndef T_PTR
# define T_PTR 12 /* ns_t_ptr */
#endif
#ifndef T_HINFO
# define T_HINFO 13 /* ns_t_hinfo */
#endif
#ifndef T_MINFO
# define T_MINFO 14 /* ns_t_minfo */
#endif
#ifndef T_MX
# define T_MX 15 /* ns_t_mx */
#endif
#ifndef T_TXT
# define T_TXT 16 /* ns_t_txt */
#endif
#ifndef T_RP
# define T_RP 17 /* ns_t_rp */
#endif
#ifndef T_AFSDB
# define T_AFSDB 18 /* ns_t_afsdb */
#endif
#ifndef T_X25
# define T_X25 19 /* ns_t_x25 */
#endif
#ifndef T_ISDN
# define T_ISDN 20 /* ns_t_isdn */
#endif
#ifndef T_RT
# define T_RT 21 /* ns_t_rt */
#endif
#ifndef T_NSAP
# define T_NSAP 22 /* ns_t_nsap */
#endif
#ifndef T_NSAP_PTR
# define T_NSAP_PTR 23 /* ns_t_nsap_ptr */
#endif
#ifndef T_SIG
# define T_SIG 24 /* ns_t_sig */
#endif
#ifndef T_KEY
# define T_KEY 25 /* ns_t_key */
#endif
#ifndef T_PX
# define T_PX 26 /* ns_t_px */
#endif
#ifndef T_GPOS
# define T_GPOS 27 /* ns_t_gpos */
#endif
#ifndef T_AAAA
# define T_AAAA 28 /* ns_t_aaaa */
#endif
#ifndef T_LOC
# define T_LOC 29 /* ns_t_loc */
#endif
#ifndef T_NXT
# define T_NXT 30 /* ns_t_nxt */
#endif
#ifndef T_EID
# define T_EID 31 /* ns_t_eid */
#endif
#ifndef T_NIMLOC
# define T_NIMLOC 32 /* ns_t_nimloc */
#endif
#ifndef T_SRV
# define T_SRV 33 /* ns_t_srv */
#endif
#ifndef T_ATMA
# define T_ATMA 34 /* ns_t_atma */
#endif
#ifndef T_NAPTR
# define T_NAPTR 35 /* ns_t_naptr */
#endif
#ifndef T_KX
# define T_KX 36 /* ns_t_kx */
#endif
#ifndef T_CERT
# define T_CERT 37 /* ns_t_cert */
#endif
#ifndef T_A6
# define T_A6 38 /* ns_t_a6 */
#endif
#ifndef T_DNAME
# define T_DNAME 39 /* ns_t_dname */
#endif
#ifndef T_SINK
# define T_SINK 40 /* ns_t_sink */
#endif
#ifndef T_OPT
# define T_OPT 41 /* ns_t_opt */
#endif
#ifndef T_APL
# define T_APL 42 /* ns_t_apl */
#endif
#ifndef T_DS
# define T_DS 43 /* ns_t_ds */
#endif
#ifndef T_SSHFP
# define T_SSHFP 44 /* ns_t_sshfp */
#endif
#ifndef T_RRSIG
# define T_RRSIG 46 /* ns_t_rrsig */
#endif
#ifndef T_NSEC
# define T_NSEC 47 /* ns_t_nsec */
#endif
#ifndef T_DNSKEY
# define T_DNSKEY 48 /* ns_t_dnskey */
#endif
#ifndef T_TKEY
# define T_TKEY 249 /* ns_t_tkey */
#endif
#ifndef T_TSIG
# define T_TSIG 250 /* ns_t_tsig */
#endif
#ifndef T_IXFR
# define T_IXFR 251 /* ns_t_ixfr */
#endif
#ifndef T_AXFR
# define T_AXFR 252 /* ns_t_axfr */
#endif
#ifndef T_MAILB
# define T_MAILB 253 /* ns_t_mailb */
#endif
#ifndef T_MAILA
# define T_MAILA 254 /* ns_t_maila */
#endif
#ifndef T_ANY
# define T_ANY 255 /* ns_t_any */
#endif
#ifndef T_URI
# define T_URI 256 /* ns_t_uri */
#endif
#ifndef T_CAA
# define T_CAA 257 /* ns_t_caa */
#endif
#ifndef T_MAX
# define T_MAX 65536 /* ns_t_max */
#endif
#endif /* ARES_NAMESER_H */