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