kaguya
267 lines
5.7 KiB
C
267 lines
5.7 KiB
C
#ifndef _ARPA_NAMESER_H
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#define _ARPA_NAMESER_H
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#include <stdint.h>
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#include <bits/size_t.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define NS_PACKETSZ 512
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#define NS_MAXDNAME 1025
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#define NS_MAXLABEL 63
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typedef enum __ns_rcode {
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ns_r_noerror = 0,
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ns_r_formerr = 1,
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ns_r_servfail = 2,
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ns_r_nxdomain = 3,
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ns_r_notimpl = 4,
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ns_r_refused = 5,
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ns_r_yxdomain = 6,
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ns_r_yxrrset = 7,
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ns_r_nxrrset = 8,
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ns_r_notauth = 9,
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ns_r_notzone = 10,
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ns_r_max = 11,
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ns_r_badvers = 16,
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ns_r_badsig = 16,
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ns_r_badkey = 17,
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ns_r_badtime = 18
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} ns_rcode;
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typedef enum __ns_type {
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ns_t_invalid = 0,
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ns_t_a = 1,
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ns_t_ns = 2,
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ns_t_md = 3,
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ns_t_mf = 4,
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ns_t_cname = 5,
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ns_t_soa = 6,
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ns_t_mb = 7,
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ns_t_mg = 8,
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ns_t_mr = 9,
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ns_t_null = 10,
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ns_t_wks = 11,
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ns_t_ptr = 12,
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ns_t_hinfo = 13,
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ns_t_minfo = 14,
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ns_t_mx = 15,
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ns_t_txt = 16,
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ns_t_rp = 17,
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ns_t_afsdb = 18,
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ns_t_x25 = 19,
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ns_t_isdn = 20,
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ns_t_rt = 21,
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ns_t_nsap = 22,
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ns_t_nsap_ptr = 23,
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ns_t_sig = 24,
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ns_t_key = 25,
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ns_t_px = 26,
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ns_t_gpos = 27,
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ns_t_aaaa = 28,
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ns_t_loc = 29,
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ns_t_nxt = 30,
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ns_t_eid = 31,
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ns_t_nimloc = 32,
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ns_t_srv = 33,
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ns_t_atma = 34,
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ns_t_naptr = 35,
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ns_t_kx = 36,
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ns_t_cert = 37,
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ns_t_a6 = 38,
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ns_t_dname = 39,
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ns_t_sink = 40,
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ns_t_opt = 41,
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ns_t_apl = 42,
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ns_t_tkey = 249,
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ns_t_tsig = 250,
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ns_t_ixfr = 251,
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ns_t_axfr = 252,
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ns_t_mailb = 253,
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ns_t_maila = 254,
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ns_t_any = 255,
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ns_t_zxfr = 256,
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ns_t_max = 65536
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} ns_type;
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typedef enum __ns_class {
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ns_c_invalid = 0,
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ns_c_in = 1,
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ns_c_2 = 2,
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ns_c_chaos = 3,
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ns_c_hs = 4,
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ns_c_none = 254,
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ns_c_any = 255,
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ns_c_max = 65536
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} ns_class;
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typedef enum __ns_sect {
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ns_s_qd = 0,
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ns_s_zn = 0,
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ns_s_an = 1,
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ns_s_pr = 1,
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ns_s_ns = 2,
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ns_s_ud = 2,
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ns_s_ar = 3,
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ns_s_max = 4
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} ns_sect;
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typedef struct __ns_msg {
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const unsigned char *_msg, *_eom;
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uint16_t _id, _flags, _counts[ns_s_max];
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const unsigned char *_sections[ns_s_max];
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ns_sect _sect;
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int _rrnum;
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const unsigned char *_msg_ptr;
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} ns_msg;
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#define ns_msg_id(handle) ((handle)._id + 0)
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#define ns_msg_base(handle) ((handle)._msg + 0)
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#define ns_msg_end(handle) ((handle)._eom + 0)
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#define ns_msg_size(handle) ((handle)._eom - (handle)._msg)
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#define ns_msg_count(handle, section) ((handle)._counts[section] + 0)
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typedef struct __ns_rr {
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char name[NS_MAXDNAME];
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uint16_t type;
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uint16_t rr_class;
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uint32_t ttl;
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uint16_t rdlength;
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const unsigned char *rdata;
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} ns_rr;
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#define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".")
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#define ns_rr_type(rr) ((ns_type)((rr).type + 0))
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#define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0))
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#define ns_rr_ttl(rr) ((rr).ttl + 0)
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#define ns_rr_rdlen(rr) ((rr).rdlength + 0)
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#define ns_rr_rdata(rr) ((rr).rdata + 0)
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#ifndef __MLIBC_ABI_ONLY
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#define NS_GET16(s, cp) (void)((s) = ns_get16(((cp) += 2) - 2))
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#define NS_GET32(l, cp) (void)((l) = ns_get32(((cp) += 4) - 4))
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#define NS_PUT16(s, cp) ns_put16((s), ((cp) += 2) - 2)
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#define NS_PUT32(l, cp) ns_put32((l), ((cp) += 4) - 4)
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unsigned ns_get16(const unsigned char *__src);
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unsigned long ns_get32(const unsigned char *__src);
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void ns_put16(unsigned int __value, unsigned char *__src);
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void ns_put32(unsigned long __value, unsigned char *__src);
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int ns_initparse(const unsigned char *__msg, int __msglen, ns_msg *__handle);
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int ns_parserr(ns_msg *__msg, ns_sect __section, int __rrnum, ns_rr *__rr);
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int ns_name_uncompress(const unsigned char *__msg, const unsigned char *__eom,
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const unsigned char *__src, char *__dst, size_t __dstsize);
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#endif /* !__MLIBC_ABI_ONLY */
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typedef struct {
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unsigned id :16;
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#if __BYTE_ORDER == __BIG_ENDIAN
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unsigned qr: 1;
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unsigned opcode: 4;
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unsigned aa: 1;
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unsigned tc: 1;
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unsigned rd: 1;
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unsigned ra: 1;
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unsigned unused :1;
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unsigned ad: 1;
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unsigned cd: 1;
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unsigned rcode :4;
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#else
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unsigned rd :1;
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unsigned tc :1;
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unsigned aa :1;
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unsigned opcode :4;
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unsigned qr :1;
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unsigned rcode :4;
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unsigned cd: 1;
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unsigned ad: 1;
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unsigned unused :1;
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unsigned ra :1;
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#endif
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unsigned qdcount :16;
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unsigned ancount :16;
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unsigned nscount :16;
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unsigned arcount :16;
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} HEADER;
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#define PACKETSZ NS_PACKETSZ
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#define MAXDNAME NS_MAXDNAME
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#define NOERROR ns_r_noerror
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#define FORMERR ns_r_formerr
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#define SERVFAIL ns_r_servfail
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#define NXDOMAIN ns_r_nxdomain
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#define NOTIMP ns_r_notimpl
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#define REFUSED ns_r_refused
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#define YXDOMAIN ns_r_yxdomain
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#define YXRRSET ns_r_yxrrset
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#define NXRRSET ns_r_nxrrset
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#define NOTAUTH ns_r_notauth
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#define NOTZONE ns_r_notzone
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#define T_A ns_t_a
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#define T_NS ns_t_ns
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#define T_MD ns_t_md
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#define T_MF ns_t_mf
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#define T_CNAME ns_t_cname
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#define T_SOA ns_t_soa
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#define T_MB ns_t_mb
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#define T_MG ns_t_mg
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#define T_MR ns_t_mr
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#define T_NULL ns_t_null
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#define T_WKS ns_t_wks
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#define T_PTR ns_t_ptr
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#define T_HINFO ns_t_hinfo
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#define T_MINFO ns_t_minfo
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#define T_MX ns_t_mx
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#define T_TXT ns_t_txt
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#define T_RP ns_t_rp
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#define T_AFSDB ns_t_afsdb
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#define T_X25 ns_t_x25
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#define T_ISDN ns_t_isdn
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#define T_RT ns_t_rt
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#define T_NSAP ns_t_nsap
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#define T_NSAP_PTR ns_t_nsap_ptr
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#define T_SIG ns_t_sig
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#define T_KEY ns_t_key
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#define T_PX ns_t_px
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#define T_GPOS ns_t_gpos
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#define T_AAAA ns_t_aaaa
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#define T_LOC ns_t_loc
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#define T_NXT ns_t_nxt
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#define T_EID ns_t_eid
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#define T_NIMLOC ns_t_nimloc
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#define T_SRV ns_t_srv
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#define T_ATMA ns_t_atma
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#define T_NAPTR ns_t_naptr
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#define T_A6 ns_t_a6
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#define T_DNAME ns_t_dname
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#define T_TSIG ns_t_tsig
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#define T_IXFR ns_t_ixfr
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#define T_AXFR ns_t_axfr
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#define T_MAILB ns_t_mailb
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#define T_MAILA ns_t_maila
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#define T_ANY ns_t_any
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#define C_IN ns_c_in
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#define C_CHAOS ns_c_chaos
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#define C_HS ns_c_hs
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#define C_NONE ns_c_none
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#define C_ANY ns_c_any
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#define GETSHORT NS_GET16
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#define GETLONG NS_GET32
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#define PUTSHORT NS_PUT16
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#define PUTLONG NS_PUT32
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#ifdef __cplusplus
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}
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#endif
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#endif /* _ARPA_NAMESER_H */
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