kolibrios/programs/develop/libraries/menuetlibc/include/arpa/nameser.h

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#ifndef _ARPA_NAMESER_H
#define _ARPA_NAMESER_H
#include <sys/cdefs.h>
#include <endian.h>
__BEGIN_DECLS
#define NS_PACKETSZ 512 /* maximum packet size */
#define NS_MAXDNAME 1025 /* maximum domain name */
#define NS_MAXCDNAME 255 /* maximum compressed domain name */
#define NS_MAXLABEL 63 /* maximum length of domain label */
#define NS_HFIXEDSZ 12 /* #/bytes of fixed data in header */
#define NS_QFIXEDSZ 4 /* #/bytes of fixed data in query */
#define NS_RRFIXEDSZ 10 /* #/bytes of fixed data in r record */
#define NS_INT32SZ 4 /* #/bytes of data in a u_int32_t */
#define NS_INT16SZ 2 /* #/bytes of data in a u_int16_t */
#define NS_INT8SZ 1 /* #/bytes of data in a u_int8_t */
#define NS_INADDRSZ 4 /* IPv4 T_A */
#define NS_IN6ADDRSZ 16 /* IPv6 T_AAAA */
#define NS_CMPRSFLGS 0xc0 /* Flag bits indicating name compression. */
#define NS_DEFAULTPORT 53 /* For both TCP and UDP. */
/*
* Currently defined type values for resources and queries.
*/
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ns_t_gpos = 27, /* Geographical position (withdrawn).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_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_zxfr = 256, /* BIND-specific, nonstandard. */
ns_t_max = 65536
} ns_type;
/*
* Values for class field
*/
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;
/*
* Currently defined opcodes.
*/
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;
/*
* Currently defined response codes.
*/
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;
typedef struct {
unsigned id :16; /* query identification number */
#if BYTE_ORDER == BIG_ENDIAN
/* fields in third byte */
unsigned qr: 1; /* response flag */
unsigned opcode: 4; /* purpose of message */
unsigned aa: 1; /* authoritive answer */
unsigned tc: 1; /* truncated message */
unsigned rd: 1; /* recursion desired */
/* fields in fourth byte */
unsigned ra: 1; /* recursion available */
unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */
unsigned ad: 1; /* authentic data from named */
unsigned cd: 1; /* checking disabled by resolver */
unsigned rcode :4; /* response code */
#endif
#if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
/* fields in third byte */
unsigned rd :1; /* recursion desired */
unsigned tc :1; /* truncated message */
unsigned aa :1; /* authoritive answer */
unsigned opcode :4; /* purpose of message */
unsigned qr :1; /* response flag */
/* fields in fourth byte */
unsigned rcode :4; /* response code */
unsigned cd: 1; /* checking disabled by resolver */
unsigned ad: 1; /* authentic data from named */
unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */
unsigned ra :1; /* recursion available */
#endif
/* remaining bytes */
unsigned qdcount :16; /* number of question entries */
unsigned ancount :16; /* number of answer entries */
unsigned nscount :16; /* number of authority entries */
unsigned arcount :16; /* number of resource entries */
} HEADER;
#define PACKETSZ NS_PACKETSZ
#define MAXDNAME NS_MAXDNAME
#define MAXCDNAME NS_MAXCDNAME
#define MAXLABEL NS_MAXLABEL
#define HFIXEDSZ NS_HFIXEDSZ
#define QFIXEDSZ NS_QFIXEDSZ
#define RRFIXEDSZ NS_RRFIXEDSZ
#define INT32SZ NS_INT32SZ
#define INT16SZ NS_INT16SZ
#define INADDRSZ NS_INADDRSZ
#define IN6ADDRSZ NS_IN6ADDRSZ
#define INDIR_MASK NS_CMPRSFLGS
#define NAMESERVER_PORT NS_DEFAULTPORT
#define S_ZONE ns_s_zn
#define S_PREREQ ns_s_pr
#define S_UPDATE ns_s_ud
#define S_ADDT ns_s_ar
#define QUERY ns_o_query
#define IQUERY ns_o_iquery
#define STATUS ns_o_status
#define NS_NOTIFY_OP ns_o_notify
#define NS_UPDATE_OP ns_o_update
#define NOERROR ns_r_noerror
#define FORMERR ns_r_formerr
#define SERVFAIL ns_r_servfail
#define NXDOMAIN ns_r_nxdomain
#define NOTIMP ns_r_notimpl
#define REFUSED ns_r_refused
#define YXDOMAIN ns_r_yxdomain
#define YXRRSET ns_r_yxrrset
#define NXRRSET ns_r_nxrrset
#define NOTAUTH ns_r_notauth
#define NOTZONE ns_r_notzone
#define DELETE ns_uop_delete
#define ADD ns_uop_add
#define T_A ns_t_a
#define T_NS ns_t_ns
#define T_MD ns_t_md
#define T_MF ns_t_mf
#define T_CNAME ns_t_cname
#define T_SOA ns_t_soa
#define T_MB ns_t_mb
#define T_MG ns_t_mg
#define T_MR ns_t_mr
#define T_NULL ns_t_null
#define T_WKS ns_t_wks
#define T_PTR ns_t_ptr
#define T_HINFO ns_t_hinfo
#define T_MINFO ns_t_minfo
#define T_MX ns_t_mx
#define T_TXT ns_t_txt
#define T_RP ns_t_rp
#define T_AFSDB ns_t_afsdb
#define T_X25 ns_t_x25
#define T_ISDN ns_t_isdn
#define T_RT ns_t_rt
#define T_NSAP ns_t_nsap
#define T_NSAP_PTR ns_t_nsap_ptr
#define T_SIG ns_t_sig
#define T_KEY ns_t_key
#define T_PX ns_t_px
#define T_GPOS ns_t_gpos
#define T_AAAA ns_t_aaaa
#define T_LOC ns_t_loc
#define T_NXT ns_t_nxt
#define T_EID ns_t_eid
#define T_NIMLOC ns_t_nimloc
#define T_SRV ns_t_srv
#define T_ATMA ns_t_atma
#define T_NAPTR ns_t_naptr
#define T_TSIG ns_t_tsig
#define T_IXFR ns_t_ixfr
#define T_AXFR ns_t_axfr
#define T_MAILB ns_t_mailb
#define T_MAILA ns_t_maila
#define T_ANY ns_t_any
#define C_IN ns_c_in
#define C_CHAOS ns_c_chaos
#define C_HS ns_c_hs
#define C_NONE ns_c_none
#define C_ANY ns_c_any
__END_DECLS
#endif