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 */