2 * Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001, 2003 Internet Software Consortium.
5 * Permission to use, copy, modify, and distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
18 /* $Id: tsig_250.c,v 1.52.2.3 2004/03/09 06:11:26 marka Exp $ */
20 /* Reviewed: Thu Mar 16 13:39:43 PST 2000 by gson */
22 #ifndef RDATA_ANY_255_TSIG_250_C
23 #define RDATA_ANY_255_TSIG_250_C
25 #define RRTYPE_TSIG_ATTRIBUTES \
26 (DNS_RDATATYPEATTR_META | DNS_RDATATYPEATTR_NOTQUESTION)
28 static inline isc_result_t
29 fromtext_any_tsig(ARGS_FROMTEXT
) {
39 REQUIRE(rdclass
== 255);
48 RETERR(isc_lex_getmastertoken(lexer
, &token
, isc_tokentype_string
,
50 dns_name_init(&name
, NULL
);
51 buffer_fromregion(&buffer
, &token
.value
.as_region
);
52 origin
= (origin
!= NULL
) ? origin
: dns_rootname
;
53 RETTOK(dns_name_fromtext(&name
, &buffer
, origin
, downcase
, target
));
56 * Time Signed: 48 bits.
58 RETERR(isc_lex_getmastertoken(lexer
, &token
, isc_tokentype_string
,
60 sigtime
= isc_string_touint64(token
.value
.as_pointer
, &e
, 10);
63 if ((sigtime
>> 48) != 0)
65 RETERR(uint16_tobuffer((isc_uint16_t
)(sigtime
>> 32), target
));
66 RETERR(uint32_tobuffer((isc_uint32_t
)(sigtime
& 0xffffffffU
), target
));
71 RETERR(isc_lex_getmastertoken(lexer
, &token
, isc_tokentype_number
,
73 if (token
.value
.as_ulong
> 0xffffU
)
75 RETERR(uint16_tobuffer(token
.value
.as_ulong
, target
));
80 RETERR(isc_lex_getmastertoken(lexer
, &token
, isc_tokentype_number
,
82 if (token
.value
.as_ulong
> 0xffffU
)
84 RETERR(uint16_tobuffer(token
.value
.as_ulong
, target
));
89 RETERR(isc_base64_tobuffer(lexer
, target
, (int)token
.value
.as_ulong
));
94 RETERR(isc_lex_getmastertoken(lexer
, &token
, isc_tokentype_number
,
96 if (token
.value
.as_ulong
> 0xffffU
)
98 RETERR(uint16_tobuffer(token
.value
.as_ulong
, target
));
103 RETERR(isc_lex_getmastertoken(lexer
, &token
, isc_tokentype_string
,
105 if (dns_tsigrcode_fromtext(&rcode
, &token
.value
.as_textregion
)
108 i
= strtol(token
.value
.as_pointer
, &e
, 10);
110 RETTOK(DNS_R_UNKNOWN
);
111 if (i
< 0 || i
> 0xffff)
113 rcode
= (dns_rcode_t
)i
;
115 RETERR(uint16_tobuffer(rcode
, target
));
120 RETERR(isc_lex_getmastertoken(lexer
, &token
, isc_tokentype_number
,
122 if (token
.value
.as_ulong
> 0xffffU
)
124 RETERR(uint16_tobuffer(token
.value
.as_ulong
, target
));
129 return (isc_base64_tobuffer(lexer
, target
, (int)token
.value
.as_ulong
));
132 static inline isc_result_t
133 totext_any_tsig(ARGS_TOTEXT
) {
136 char buf
[sizeof "281474976710655 "];
141 isc_uint64_t sigtime
;
144 REQUIRE(rdata
->type
== 250);
145 REQUIRE(rdata
->rdclass
== 255);
146 REQUIRE(rdata
->length
!= 0);
148 dns_rdata_toregion(rdata
, &sr
);
152 dns_name_init(&name
, NULL
);
153 dns_name_init(&prefix
, NULL
);
154 dns_name_fromregion(&name
, &sr
);
155 sub
= name_prefix(&name
, tctx
->origin
, &prefix
);
156 RETERR(dns_name_totext(&prefix
, sub
, target
));
157 RETERR(str_totext(" ", target
));
158 isc_region_consume(&sr
, name_length(&name
));
163 sigtime
= ((isc_uint64_t
)sr
.base
[0] << 40) |
164 ((isc_uint64_t
)sr
.base
[1] << 32) |
165 (sr
.base
[2] << 24) | (sr
.base
[3] << 16) |
166 (sr
.base
[4] << 8) | sr
.base
[5];
167 isc_region_consume(&sr
, 6);
168 bufp
= &buf
[sizeof buf
- 1];
172 *bufp
-- = decdigits
[sigtime
% 10];
174 } while (sigtime
!= 0);
176 RETERR(str_totext(bufp
, target
));
181 n
= uint16_fromregion(&sr
);
182 isc_region_consume(&sr
, 2);
183 sprintf(buf
, "%u ", n
);
184 RETERR(str_totext(buf
, target
));
189 n
= uint16_fromregion(&sr
);
190 isc_region_consume(&sr
, 2);
191 sprintf(buf
, "%u", n
);
192 RETERR(str_totext(buf
, target
));
197 REQUIRE(n
<= sr
.length
);
200 if ((tctx
->flags
& DNS_STYLEFLAG_MULTILINE
) != 0)
201 RETERR(str_totext(" (", target
));
202 RETERR(str_totext(tctx
->linebreak
, target
));
203 RETERR(isc_base64_totext(&sigr
, tctx
->width
- 2,
204 tctx
->linebreak
, target
));
205 if ((tctx
->flags
& DNS_STYLEFLAG_MULTILINE
) != 0)
206 RETERR(str_totext(" ) ", target
));
208 RETERR(str_totext(" ", target
));
209 isc_region_consume(&sr
, n
);
214 n
= uint16_fromregion(&sr
);
215 isc_region_consume(&sr
, 2);
216 sprintf(buf
, "%u ", n
);
217 RETERR(str_totext(buf
, target
));
222 n
= uint16_fromregion(&sr
);
223 isc_region_consume(&sr
, 2);
224 if (dns_tsigrcode_totext((dns_rcode_t
)n
, target
) == ISC_R_SUCCESS
)
225 RETERR(str_totext(" ", target
));
227 sprintf(buf
, "%u ", n
);
228 RETERR(str_totext(buf
, target
));
234 n
= uint16_fromregion(&sr
);
235 isc_region_consume(&sr
, 2);
236 sprintf(buf
, "%u ", n
);
237 RETERR(str_totext(buf
, target
));
242 return (isc_base64_totext(&sr
, 60, " ", target
));
245 static inline isc_result_t
246 fromwire_any_tsig(ARGS_FROMWIRE
) {
251 REQUIRE(type
== 250);
252 REQUIRE(rdclass
== 255);
257 dns_decompress_setmethods(dctx
, DNS_COMPRESS_NONE
);
262 dns_name_init(&name
, NULL
);
263 RETERR(dns_name_fromwire(&name
, source
, dctx
, downcase
, target
));
265 isc_buffer_activeregion(source
, &sr
);
267 * Time Signed + Fudge.
270 return (ISC_R_UNEXPECTEDEND
);
271 RETERR(mem_tobuffer(target
, sr
.base
, 8));
272 isc_region_consume(&sr
, 8);
273 isc_buffer_forward(source
, 8);
276 * Signature Length + Signature.
279 return (ISC_R_UNEXPECTEDEND
);
280 n
= uint16_fromregion(&sr
);
281 if (sr
.length
< n
+ 2)
282 return (ISC_R_UNEXPECTEDEND
);
283 RETERR(mem_tobuffer(target
, sr
.base
, n
+ 2));
284 isc_region_consume(&sr
, n
+ 2);
285 isc_buffer_forward(source
, n
+ 2);
288 * Original ID + Error.
291 return (ISC_R_UNEXPECTEDEND
);
292 RETERR(mem_tobuffer(target
, sr
.base
, 4));
293 isc_region_consume(&sr
, 4);
294 isc_buffer_forward(source
, 4);
297 * Other Length + Other.
300 return (ISC_R_UNEXPECTEDEND
);
301 n
= uint16_fromregion(&sr
);
302 if (sr
.length
< n
+ 2)
303 return (ISC_R_UNEXPECTEDEND
);
304 isc_buffer_forward(source
, n
+ 2);
305 return (mem_tobuffer(target
, sr
.base
, n
+ 2));
308 static inline isc_result_t
309 towire_any_tsig(ARGS_TOWIRE
) {
312 dns_offsets_t offsets
;
314 REQUIRE(rdata
->type
== 250);
315 REQUIRE(rdata
->rdclass
== 255);
316 REQUIRE(rdata
->length
!= 0);
318 dns_compress_setmethods(cctx
, DNS_COMPRESS_NONE
);
319 dns_rdata_toregion(rdata
, &sr
);
320 dns_name_init(&name
, offsets
);
321 dns_name_fromregion(&name
, &sr
);
322 RETERR(dns_name_towire(&name
, cctx
, target
));
323 isc_region_consume(&sr
, name_length(&name
));
324 return (mem_tobuffer(target
, sr
.base
, sr
.length
));
328 compare_any_tsig(ARGS_COMPARE
) {
335 REQUIRE(rdata1
->type
== rdata2
->type
);
336 REQUIRE(rdata1
->rdclass
== rdata2
->rdclass
);
337 REQUIRE(rdata1
->type
== 250);
338 REQUIRE(rdata1
->rdclass
== 255);
339 REQUIRE(rdata1
->length
!= 0);
340 REQUIRE(rdata2
->length
!= 0);
342 dns_rdata_toregion(rdata1
, &r1
);
343 dns_rdata_toregion(rdata2
, &r2
);
344 dns_name_init(&name1
, NULL
);
345 dns_name_init(&name2
, NULL
);
346 dns_name_fromregion(&name1
, &r1
);
347 dns_name_fromregion(&name2
, &r2
);
348 order
= dns_name_rdatacompare(&name1
, &name2
);
351 isc_region_consume(&r1
, name_length(&name1
));
352 isc_region_consume(&r2
, name_length(&name2
));
353 return (compare_region(&r1
, &r2
));
356 static inline isc_result_t
357 fromstruct_any_tsig(ARGS_FROMSTRUCT
) {
358 dns_rdata_any_tsig_t
*tsig
= source
;
361 REQUIRE(type
== 250);
362 REQUIRE(rdclass
== 255);
363 REQUIRE(source
!= NULL
);
364 REQUIRE(tsig
->common
.rdclass
== rdclass
);
365 REQUIRE(tsig
->common
.rdtype
== type
);
373 RETERR(name_tobuffer(&tsig
->algorithm
, target
));
375 isc_buffer_availableregion(target
, &tr
);
376 if (tr
.length
< 6 + 2 + 2)
377 return (ISC_R_NOSPACE
);
380 * Time Signed: 48 bits.
382 RETERR(uint16_tobuffer((isc_uint16_t
)(tsig
->timesigned
>> 32),
384 RETERR(uint32_tobuffer((isc_uint32_t
)(tsig
->timesigned
& 0xffffffffU
),
390 RETERR(uint16_tobuffer(tsig
->fudge
, target
));
395 RETERR(uint16_tobuffer(tsig
->siglen
, target
));
400 RETERR(mem_tobuffer(target
, tsig
->signature
, tsig
->siglen
));
402 isc_buffer_availableregion(target
, &tr
);
403 if (tr
.length
< 2 + 2 + 2)
404 return (ISC_R_NOSPACE
);
409 RETERR(uint16_tobuffer(tsig
->originalid
, target
));
414 RETERR(uint16_tobuffer(tsig
->error
, target
));
419 RETERR(uint16_tobuffer(tsig
->otherlen
, target
));
424 return (mem_tobuffer(target
, tsig
->other
, tsig
->otherlen
));
427 static inline isc_result_t
428 tostruct_any_tsig(ARGS_TOSTRUCT
) {
429 dns_rdata_any_tsig_t
*tsig
;
433 REQUIRE(rdata
->type
== 250);
434 REQUIRE(rdata
->rdclass
== 255);
435 REQUIRE(rdata
->length
!= 0);
437 tsig
= (dns_rdata_any_tsig_t
*) target
;
438 tsig
->common
.rdclass
= rdata
->rdclass
;
439 tsig
->common
.rdtype
= rdata
->type
;
440 ISC_LINK_INIT(&tsig
->common
, link
);
442 dns_rdata_toregion(rdata
, &sr
);
447 dns_name_init(&alg
, NULL
);
448 dns_name_fromregion(&alg
, &sr
);
449 dns_name_init(&tsig
->algorithm
, NULL
);
450 RETERR(name_duporclone(&alg
, mctx
, &tsig
->algorithm
));
452 isc_region_consume(&sr
, name_length(&tsig
->algorithm
));
457 INSIST(sr
.length
>= 6);
458 tsig
->timesigned
= ((isc_uint64_t
)sr
.base
[0] << 40) |
459 ((isc_uint64_t
)sr
.base
[1] << 32) |
460 (sr
.base
[2] << 24) | (sr
.base
[3] << 16) |
461 (sr
.base
[4] << 8) | sr
.base
[5];
462 isc_region_consume(&sr
, 6);
467 tsig
->fudge
= uint16_fromregion(&sr
);
468 isc_region_consume(&sr
, 2);
473 tsig
->siglen
= uint16_fromregion(&sr
);
474 isc_region_consume(&sr
, 2);
479 INSIST(sr
.length
>= tsig
->siglen
);
480 tsig
->signature
= mem_maybedup(mctx
, sr
.base
, tsig
->siglen
);
481 if (tsig
->signature
== NULL
)
483 isc_region_consume(&sr
, tsig
->siglen
);
488 tsig
->originalid
= uint16_fromregion(&sr
);
489 isc_region_consume(&sr
, 2);
494 tsig
->error
= uint16_fromregion(&sr
);
495 isc_region_consume(&sr
, 2);
500 tsig
->otherlen
= uint16_fromregion(&sr
);
501 isc_region_consume(&sr
, 2);
506 INSIST(sr
.length
== tsig
->otherlen
);
507 tsig
->other
= mem_maybedup(mctx
, sr
.base
, tsig
->otherlen
);
508 if (tsig
->other
== NULL
)
512 return (ISC_R_SUCCESS
);
516 dns_name_free(&tsig
->algorithm
, tsig
->mctx
);
517 if (mctx
!= NULL
&& tsig
->signature
!= NULL
)
518 isc_mem_free(mctx
, tsig
->signature
);
519 return (ISC_R_NOMEMORY
);
523 freestruct_any_tsig(ARGS_FREESTRUCT
) {
524 dns_rdata_any_tsig_t
*tsig
= (dns_rdata_any_tsig_t
*) source
;
526 REQUIRE(source
!= NULL
);
527 REQUIRE(tsig
->common
.rdclass
== 255);
528 REQUIRE(tsig
->common
.rdtype
== 250);
530 if (tsig
->mctx
== NULL
)
533 dns_name_free(&tsig
->algorithm
, tsig
->mctx
);
534 if (tsig
->signature
!= NULL
)
535 isc_mem_free(tsig
->mctx
, tsig
->signature
);
536 if (tsig
->other
!= NULL
)
537 isc_mem_free(tsig
->mctx
, tsig
->other
);
541 static inline isc_result_t
542 additionaldata_any_tsig(ARGS_ADDLDATA
) {
543 REQUIRE(rdata
->type
== 250);
544 REQUIRE(rdata
->rdclass
== 255);
550 return (ISC_R_SUCCESS
);
553 static inline isc_result_t
554 digest_any_tsig(ARGS_DIGEST
) {
556 REQUIRE(rdata
->type
== 250);
557 REQUIRE(rdata
->rdclass
== 255);
563 return (ISC_R_NOTIMPLEMENTED
);
566 #endif /* RDATA_ANY_255_TSIG_250_C */