THUAI6/CAPI/cpp/grpc/include/ares_nameser.h

#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 */