1 #ifndef _ARPA_NAMESER_H
2 #define _ARPA_NAMESER_H
11 #define __NAMESER 19991006
12 #define NS_PACKETSZ 512
13 #define NS_MAXDNAME 1025
14 #define NS_MAXMSG 65535
15 #define NS_MAXCDNAME 255
16 #define NS_MAXLABEL 63
17 #define NS_HFIXEDSZ 12
19 #define NS_RRFIXEDSZ 10
24 #define NS_IN6ADDRSZ 16
25 #define NS_CMPRSFLGS 0xc0
26 #define NS_DEFAULTPORT 53
28 typedef enum __ns_sect {
39 typedef struct __ns_msg {
40 const unsigned char *_msg, *_eom;
41 uint16_t _id, _flags, _counts[ns_s_max];
42 const unsigned char *_sections[ns_s_max];
45 const unsigned char *_msg_ptr;
48 struct _ns_flagdata { int mask, shift; };
49 extern const struct _ns_flagdata _ns_flagdata[];
51 #define ns_msg_id(handle) ((handle)._id + 0)
52 #define ns_msg_base(handle) ((handle)._msg + 0)
53 #define ns_msg_end(handle) ((handle)._eom + 0)
54 #define ns_msg_size(handle) ((handle)._eom - (handle)._msg)
55 #define ns_msg_count(handle, section) ((handle)._counts[section] + 0)
56 #define ns_msg_getflag(handle, flag) \
57 (((handle)._flags & _ns_flagdata[flag].mask) >> _ns_flagdata[flag].shift)
59 typedef struct __ns_rr {
60 char name[NS_MAXDNAME];
65 const unsigned char *rdata;
68 #define ns_rr_name(rr) (((rr).name[0] != '\0') ? (rr).name : ".")
69 #define ns_rr_type(rr) ((ns_type)((rr).type + 0))
70 #define ns_rr_class(rr) ((ns_class)((rr).rr_class + 0))
71 #define ns_rr_ttl(rr) ((rr).ttl + 0)
72 #define ns_rr_rdlen(rr) ((rr).rdlength + 0)
73 #define ns_rr_rdata(rr) ((rr).rdata + 0)
75 typedef enum __ns_flag {
89 typedef enum __ns_opcode {
98 typedef enum __ns_rcode {
117 typedef enum __ns_update_operation {
121 } ns_update_operation;
124 char name[NS_MAXDNAME], alg[NS_MAXDNAME];
128 typedef struct ns_tsig_key ns_tsig_key;
130 struct ns_tcp_tsig_state {
134 unsigned char sig[NS_PACKETSZ];
137 typedef struct ns_tcp_tsig_state ns_tcp_tsig_state;
139 #define NS_TSIG_FUDGE 300
140 #define NS_TSIG_TCP_COUNT 100
141 #define NS_TSIG_ALG_HMAC_MD5 "HMAC-MD5.SIG-ALG.REG.INT"
143 #define NS_TSIG_ERROR_NO_TSIG -10
144 #define NS_TSIG_ERROR_NO_SPACE -11
145 #define NS_TSIG_ERROR_FORMERR -12
147 typedef enum __ns_type {
202 #define ns_t_qt_p(t) (ns_t_xfr_p(t) || (t) == ns_t_any || \
203 (t) == ns_t_mailb || (t) == ns_t_maila)
204 #define ns_t_mrr_p(t) ((t) == ns_t_tsig || (t) == ns_t_opt)
205 #define ns_t_rr_p(t) (!ns_t_qt_p(t) && !ns_t_mrr_p(t))
206 #define ns_t_udp_p(t) ((t) != ns_t_axfr && (t) != ns_t_zxfr)
207 #define ns_t_xfr_p(t) ((t) == ns_t_axfr || (t) == ns_t_ixfr || \
210 typedef enum __ns_class {
221 typedef enum __ns_key_types {
228 typedef enum __ns_cert_types {
236 #define NS_KEY_TYPEMASK 0xC000
237 #define NS_KEY_TYPE_AUTH_CONF 0x0000
238 #define NS_KEY_TYPE_CONF_ONLY 0x8000
239 #define NS_KEY_TYPE_AUTH_ONLY 0x4000
240 #define NS_KEY_TYPE_NO_KEY 0xC000
241 #define NS_KEY_NO_AUTH 0x8000
242 #define NS_KEY_NO_CONF 0x4000
243 #define NS_KEY_RESERVED2 0x2000
244 #define NS_KEY_EXTENDED_FLAGS 0x1000
245 #define NS_KEY_RESERVED4 0x0800
246 #define NS_KEY_RESERVED5 0x0400
247 #define NS_KEY_NAME_TYPE 0x0300
248 #define NS_KEY_NAME_USER 0x0000
249 #define NS_KEY_NAME_ENTITY 0x0200
250 #define NS_KEY_NAME_ZONE 0x0100
251 #define NS_KEY_NAME_RESERVED 0x0300
252 #define NS_KEY_RESERVED8 0x0080
253 #define NS_KEY_RESERVED9 0x0040
254 #define NS_KEY_RESERVED10 0x0020
255 #define NS_KEY_RESERVED11 0x0010
256 #define NS_KEY_SIGNATORYMASK 0x000F
257 #define NS_KEY_RESERVED_BITMASK ( NS_KEY_RESERVED2 | \
262 NS_KEY_RESERVED10 | \
264 #define NS_KEY_RESERVED_BITMASK2 0xFFFF
265 #define NS_ALG_MD5RSA 1
268 #define NS_ALG_DSS NS_ALG_DSA
269 #define NS_ALG_EXPIRE_ONLY 253
270 #define NS_ALG_PRIVATE_OID 254
272 #define NS_KEY_PROT_TLS 1
273 #define NS_KEY_PROT_EMAIL 2
274 #define NS_KEY_PROT_DNSSEC 3
275 #define NS_KEY_PROT_IPSEC 4
276 #define NS_KEY_PROT_ANY 255
278 #define NS_MD5RSA_MIN_BITS 512
279 #define NS_MD5RSA_MAX_BITS 4096
280 #define NS_MD5RSA_MAX_BYTES ((NS_MD5RSA_MAX_BITS+7/8)*2+3)
281 #define NS_MD5RSA_MAX_BASE64 (((NS_MD5RSA_MAX_BYTES+2)/3)*4)
282 #define NS_MD5RSA_MIN_SIZE ((NS_MD5RSA_MIN_BITS+7)/8)
283 #define NS_MD5RSA_MAX_SIZE ((NS_MD5RSA_MAX_BITS+7)/8)
285 #define NS_DSA_SIG_SIZE 41
286 #define NS_DSA_MIN_SIZE 213
287 #define NS_DSA_MAX_BYTES 405
289 #define NS_SIG_TYPE 0
291 #define NS_SIG_LABELS 3
292 #define NS_SIG_OTTL 4
293 #define NS_SIG_EXPIR 8
294 #define NS_SIG_SIGNED 12
295 #define NS_SIG_FOOT 16
296 #define NS_SIG_SIGNER 18
297 #define NS_NXT_BITS 8
298 #define NS_NXT_BIT_SET( n,p) (p[(n)/NS_NXT_BITS] |= (0x80>>((n)%NS_NXT_BITS)))
299 #define NS_NXT_BIT_CLEAR(n,p) (p[(n)/NS_NXT_BITS] &= ~(0x80>>((n)%NS_NXT_BITS)))
300 #define NS_NXT_BIT_ISSET(n,p) (p[(n)/NS_NXT_BITS] & (0x80>>((n)%NS_NXT_BITS)))
301 #define NS_NXT_MAX 127
303 #define NS_OPT_DNSSEC_OK 0x8000U
304 #define NS_OPT_NSID 3
306 #define NS_GET16(s, cp) (void)((s) = ns_get16(((cp)+=2)-2))
307 #define NS_GET32(l, cp) (void)((l) = ns_get32(((cp)+=4)-4))
308 #define NS_PUT16(s, cp) ns_put16((s), ((cp)+=2)-2)
309 #define NS_PUT32(l, cp) ns_put32((l), ((cp)+=4)-4)
311 unsigned ns_get16(const unsigned char *);
312 unsigned long ns_get32(const unsigned char *);
313 void ns_put16(unsigned, unsigned char *);
314 void ns_put32(unsigned long, unsigned char *);
316 int ns_initparse(const unsigned char *, int, ns_msg *);
317 int ns_parserr(ns_msg *, ns_sect, int, ns_rr *);
318 int ns_skiprr(const unsigned char *, const unsigned char *, ns_sect, int);
319 int ns_name_uncompress(const unsigned char *, const unsigned char *, const unsigned char *, char *, size_t);
322 #define __BIND 19950621
326 #if __BYTE_ORDER == __BIG_ENDIAN
349 unsigned qdcount :16;
350 unsigned ancount :16;
351 unsigned nscount :16;
352 unsigned arcount :16;
355 #define PACKETSZ NS_PACKETSZ
356 #define MAXDNAME NS_MAXDNAME
357 #define MAXCDNAME NS_MAXCDNAME
358 #define MAXLABEL NS_MAXLABEL
359 #define HFIXEDSZ NS_HFIXEDSZ
360 #define QFIXEDSZ NS_QFIXEDSZ
361 #define RRFIXEDSZ NS_RRFIXEDSZ
362 #define INT32SZ NS_INT32SZ
363 #define INT16SZ NS_INT16SZ
364 #define INT8SZ NS_INT8SZ
365 #define INADDRSZ NS_INADDRSZ
366 #define IN6ADDRSZ NS_IN6ADDRSZ
367 #define INDIR_MASK NS_CMPRSFLGS
368 #define NAMESERVER_PORT NS_DEFAULTPORT
370 #define S_ZONE ns_s_zn
371 #define S_PREREQ ns_s_pr
372 #define S_UPDATE ns_s_ud
373 #define S_ADDT ns_s_ar
375 #define QUERY ns_o_query
376 #define IQUERY ns_o_iquery
377 #define STATUS ns_o_status
378 #define NS_NOTIFY_OP ns_o_notify
379 #define NS_UPDATE_OP ns_o_update
381 #define NOERROR ns_r_noerror
382 #define FORMERR ns_r_formerr
383 #define SERVFAIL ns_r_servfail
384 #define NXDOMAIN ns_r_nxdomain
385 #define NOTIMP ns_r_notimpl
386 #define REFUSED ns_r_refused
387 #define YXDOMAIN ns_r_yxdomain
388 #define YXRRSET ns_r_yxrrset
389 #define NXRRSET ns_r_nxrrset
390 #define NOTAUTH ns_r_notauth
391 #define NOTZONE ns_r_notzone
393 #define DELETE ns_uop_delete
394 #define ADD ns_uop_add
400 #define T_CNAME ns_t_cname
401 #define T_SOA ns_t_soa
405 #define T_NULL ns_t_null
406 #define T_WKS ns_t_wks
407 #define T_PTR ns_t_ptr
408 #define T_HINFO ns_t_hinfo
409 #define T_MINFO ns_t_minfo
411 #define T_TXT ns_t_txt
413 #define T_AFSDB ns_t_afsdb
414 #define T_X25 ns_t_x25
415 #define T_ISDN ns_t_isdn
417 #define T_NSAP ns_t_nsap
418 #define T_NSAP_PTR ns_t_nsap_ptr
419 #define T_SIG ns_t_sig
420 #define T_KEY ns_t_key
422 #define T_GPOS ns_t_gpos
423 #define T_AAAA ns_t_aaaa
424 #define T_LOC ns_t_loc
425 #define T_NXT ns_t_nxt
426 #define T_EID ns_t_eid
427 #define T_NIMLOC ns_t_nimloc
428 #define T_SRV ns_t_srv
429 #define T_ATMA ns_t_atma
430 #define T_NAPTR ns_t_naptr
432 #define T_DNAME ns_t_dname
433 #define T_TSIG ns_t_tsig
434 #define T_IXFR ns_t_ixfr
435 #define T_AXFR ns_t_axfr
436 #define T_MAILB ns_t_mailb
437 #define T_MAILA ns_t_maila
438 #define T_ANY ns_t_any
441 #define C_CHAOS ns_c_chaos
443 #define C_NONE ns_c_none
444 #define C_ANY ns_c_any
446 #define GETSHORT NS_GET16
447 #define GETLONG NS_GET32
448 #define PUTSHORT NS_PUT16
449 #define PUTLONG NS_PUT32