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74b2466e LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2014 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
0dae31d4 ZJS |
22 | #include <math.h> |
23 | ||
b5efdb8a | 24 | #include "alloc-util.h" |
4ad7f276 | 25 | #include "dns-domain.h" |
7263f724 | 26 | #include "dns-type.h" |
e4e73a63 | 27 | #include "hexdecoct.h" |
07630cea | 28 | #include "resolved-dns-packet.h" |
e4e73a63 | 29 | #include "resolved-dns-rr.h" |
8730bccf | 30 | #include "string-table.h" |
07630cea LP |
31 | #include "string-util.h" |
32 | #include "strv.h" | |
74b2466e | 33 | |
faa133f3 LP |
34 | DnsResourceKey* dns_resource_key_new(uint16_t class, uint16_t type, const char *name) { |
35 | DnsResourceKey *k; | |
36 | size_t l; | |
74b2466e | 37 | |
faa133f3 LP |
38 | assert(name); |
39 | ||
40 | l = strlen(name); | |
41 | k = malloc0(sizeof(DnsResourceKey) + l + 1); | |
42 | if (!k) | |
43 | return NULL; | |
44 | ||
45 | k->n_ref = 1; | |
46 | k->class = class; | |
47 | k->type = type; | |
48 | ||
49 | strcpy((char*) k + sizeof(DnsResourceKey), name); | |
50 | ||
51 | return k; | |
52 | } | |
53 | ||
36d9205d | 54 | DnsResourceKey* dns_resource_key_new_redirect(const DnsResourceKey *key, const DnsResourceRecord *cname) { |
58db254a LP |
55 | int r; |
56 | ||
36d9205d TG |
57 | assert(key); |
58 | assert(cname); | |
59 | ||
58db254a LP |
60 | assert(IN_SET(cname->key->type, DNS_TYPE_CNAME, DNS_TYPE_DNAME)); |
61 | ||
62 | if (cname->key->type == DNS_TYPE_CNAME) | |
63 | return dns_resource_key_new(key->class, key->type, cname->cname.name); | |
64 | else { | |
65 | DnsResourceKey *k; | |
66 | char *destination = NULL; | |
67 | ||
68 | r = dns_name_change_suffix(DNS_RESOURCE_KEY_NAME(key), DNS_RESOURCE_KEY_NAME(cname->key), cname->dname.name, &destination); | |
69 | if (r < 0) | |
70 | return NULL; | |
71 | if (r == 0) | |
72 | return dns_resource_key_ref((DnsResourceKey*) key); | |
73 | ||
74 | k = dns_resource_key_new_consume(key->class, key->type, destination); | |
75 | if (!k) { | |
76 | free(destination); | |
77 | return NULL; | |
78 | } | |
79 | ||
80 | return k; | |
81 | } | |
36d9205d TG |
82 | } |
83 | ||
801ad6a6 LP |
84 | int dns_resource_key_new_append_suffix(DnsResourceKey **ret, DnsResourceKey *key, char *name) { |
85 | DnsResourceKey *new_key; | |
86 | char *joined; | |
87 | int r; | |
88 | ||
89 | assert(ret); | |
90 | assert(key); | |
91 | assert(name); | |
92 | ||
dc477e73 | 93 | if (dns_name_is_root(name)) { |
801ad6a6 LP |
94 | *ret = dns_resource_key_ref(key); |
95 | return 0; | |
96 | } | |
97 | ||
98 | r = dns_name_concat(DNS_RESOURCE_KEY_NAME(key), name, &joined); | |
99 | if (r < 0) | |
100 | return r; | |
101 | ||
102 | new_key = dns_resource_key_new_consume(key->class, key->type, joined); | |
103 | if (!new_key) { | |
104 | free(joined); | |
105 | return -ENOMEM; | |
106 | } | |
107 | ||
108 | *ret = new_key; | |
109 | return 0; | |
110 | } | |
111 | ||
faa133f3 LP |
112 | DnsResourceKey* dns_resource_key_new_consume(uint16_t class, uint16_t type, char *name) { |
113 | DnsResourceKey *k; | |
114 | ||
115 | assert(name); | |
116 | ||
117 | k = new0(DnsResourceKey, 1); | |
118 | if (!k) | |
119 | return NULL; | |
120 | ||
121 | k->n_ref = 1; | |
122 | k->class = class; | |
123 | k->type = type; | |
124 | k->_name = name; | |
125 | ||
126 | return k; | |
127 | } | |
128 | ||
129 | DnsResourceKey* dns_resource_key_ref(DnsResourceKey *k) { | |
130 | ||
131 | if (!k) | |
132 | return NULL; | |
133 | ||
1b4f6e79 LP |
134 | /* Static/const keys created with DNS_RESOURCE_KEY_CONST will |
135 | * set this to -1, they should not be reffed/unreffed */ | |
136 | assert(k->n_ref != (unsigned) -1); | |
137 | ||
faa133f3 LP |
138 | assert(k->n_ref > 0); |
139 | k->n_ref++; | |
140 | ||
141 | return k; | |
142 | } | |
143 | ||
144 | DnsResourceKey* dns_resource_key_unref(DnsResourceKey *k) { | |
145 | if (!k) | |
146 | return NULL; | |
147 | ||
1b4f6e79 | 148 | assert(k->n_ref != (unsigned) -1); |
faa133f3 LP |
149 | assert(k->n_ref > 0); |
150 | ||
151 | if (k->n_ref == 1) { | |
152 | free(k->_name); | |
153 | free(k); | |
154 | } else | |
155 | k->n_ref--; | |
156 | ||
157 | return NULL; | |
158 | } | |
159 | ||
160 | int dns_resource_key_equal(const DnsResourceKey *a, const DnsResourceKey *b) { | |
161 | int r; | |
162 | ||
163 | r = dns_name_equal(DNS_RESOURCE_KEY_NAME(a), DNS_RESOURCE_KEY_NAME(b)); | |
164 | if (r <= 0) | |
165 | return r; | |
166 | ||
167 | if (a->class != b->class) | |
168 | return 0; | |
169 | ||
170 | if (a->type != b->type) | |
171 | return 0; | |
172 | ||
173 | return 1; | |
174 | } | |
175 | ||
801ad6a6 LP |
176 | int dns_resource_key_match_rr(const DnsResourceKey *key, const DnsResourceRecord *rr, const char *search_domain) { |
177 | int r; | |
178 | ||
faa133f3 LP |
179 | assert(key); |
180 | assert(rr); | |
181 | ||
801ad6a6 LP |
182 | /* Checks if an rr matches the specified key. If a search |
183 | * domain is specified, it will also be checked if the key | |
184 | * with the search domain suffixed might match the RR. */ | |
185 | ||
faa133f3 LP |
186 | if (rr->key->class != key->class && key->class != DNS_CLASS_ANY) |
187 | return 0; | |
188 | ||
189 | if (rr->key->type != key->type && key->type != DNS_TYPE_ANY) | |
190 | return 0; | |
191 | ||
801ad6a6 LP |
192 | r = dns_name_equal(DNS_RESOURCE_KEY_NAME(rr->key), DNS_RESOURCE_KEY_NAME(key)); |
193 | if (r != 0) | |
194 | return r; | |
195 | ||
196 | if (search_domain) { | |
197 | _cleanup_free_ char *joined = NULL; | |
198 | ||
199 | r = dns_name_concat(DNS_RESOURCE_KEY_NAME(key), search_domain, &joined); | |
200 | if (r < 0) | |
201 | return r; | |
202 | ||
203 | return dns_name_equal(DNS_RESOURCE_KEY_NAME(rr->key), joined); | |
204 | } | |
205 | ||
206 | return 0; | |
faa133f3 LP |
207 | } |
208 | ||
801ad6a6 LP |
209 | int dns_resource_key_match_cname(const DnsResourceKey *key, const DnsResourceRecord *rr, const char *search_domain) { |
210 | int r; | |
211 | ||
faa133f3 LP |
212 | assert(key); |
213 | assert(rr); | |
214 | ||
215 | if (rr->key->class != key->class && key->class != DNS_CLASS_ANY) | |
216 | return 0; | |
217 | ||
58db254a | 218 | if (rr->key->type == DNS_TYPE_CNAME) |
801ad6a6 | 219 | r = dns_name_equal(DNS_RESOURCE_KEY_NAME(key), DNS_RESOURCE_KEY_NAME(rr->key)); |
58db254a | 220 | else if (rr->key->type == DNS_TYPE_DNAME) |
801ad6a6 | 221 | r = dns_name_endswith(DNS_RESOURCE_KEY_NAME(key), DNS_RESOURCE_KEY_NAME(rr->key)); |
58db254a | 222 | else |
faa133f3 | 223 | return 0; |
801ad6a6 LP |
224 | |
225 | if (r != 0) | |
226 | return r; | |
227 | ||
228 | if (search_domain) { | |
229 | _cleanup_free_ char *joined = NULL; | |
230 | ||
231 | r = dns_name_concat(DNS_RESOURCE_KEY_NAME(key), search_domain, &joined); | |
232 | if (r < 0) | |
233 | return r; | |
234 | ||
235 | if (rr->key->type == DNS_TYPE_CNAME) | |
236 | return dns_name_equal(joined, DNS_RESOURCE_KEY_NAME(rr->key)); | |
237 | else if (rr->key->type == DNS_TYPE_DNAME) | |
238 | return dns_name_endswith(joined, DNS_RESOURCE_KEY_NAME(rr->key)); | |
239 | } | |
240 | ||
241 | return 0; | |
242 | ||
74b2466e LP |
243 | } |
244 | ||
b826ab58 | 245 | static void dns_resource_key_hash_func(const void *i, struct siphash *state) { |
322345fd | 246 | const DnsResourceKey *k = i; |
322345fd | 247 | |
b826ab58 | 248 | assert(k); |
322345fd | 249 | |
b826ab58 TG |
250 | dns_name_hash_func(DNS_RESOURCE_KEY_NAME(k), state); |
251 | siphash24_compress(&k->class, sizeof(k->class), state); | |
252 | siphash24_compress(&k->type, sizeof(k->type), state); | |
322345fd LP |
253 | } |
254 | ||
d5099efc | 255 | static int dns_resource_key_compare_func(const void *a, const void *b) { |
322345fd LP |
256 | const DnsResourceKey *x = a, *y = b; |
257 | int ret; | |
258 | ||
faa133f3 | 259 | ret = dns_name_compare_func(DNS_RESOURCE_KEY_NAME(x), DNS_RESOURCE_KEY_NAME(y)); |
322345fd LP |
260 | if (ret != 0) |
261 | return ret; | |
262 | ||
263 | if (x->type < y->type) | |
264 | return -1; | |
265 | if (x->type > y->type) | |
266 | return 1; | |
267 | ||
268 | if (x->class < y->class) | |
269 | return -1; | |
270 | if (x->class > y->class) | |
271 | return 1; | |
272 | ||
273 | return 0; | |
274 | } | |
275 | ||
d5099efc MS |
276 | const struct hash_ops dns_resource_key_hash_ops = { |
277 | .hash = dns_resource_key_hash_func, | |
278 | .compare = dns_resource_key_compare_func | |
279 | }; | |
280 | ||
2d4c5cbc | 281 | int dns_resource_key_to_string(const DnsResourceKey *key, char **ret) { |
d23a27a9 | 282 | char cbuf[strlen("CLASS") + DECIMAL_STR_MAX(uint16_t)], tbuf[strlen("TYPE") + DECIMAL_STR_MAX(uint16_t)]; |
2d4c5cbc LP |
283 | const char *c, *t; |
284 | char *s; | |
285 | ||
286 | c = dns_class_to_string(key->class); | |
287 | if (!c) { | |
d23a27a9 | 288 | sprintf(cbuf, "CLASS%u", key->class); |
2d4c5cbc LP |
289 | c = cbuf; |
290 | } | |
291 | ||
292 | t = dns_type_to_string(key->type); | |
293 | if (!t){ | |
d23a27a9 | 294 | sprintf(tbuf, "TYPE%u", key->type); |
2d4c5cbc LP |
295 | t = tbuf; |
296 | } | |
297 | ||
23432a1c | 298 | if (asprintf(&s, "%s %s %-5s", DNS_RESOURCE_KEY_NAME(key), c, t) < 0) |
2d4c5cbc LP |
299 | return -ENOMEM; |
300 | ||
301 | *ret = s; | |
302 | return 0; | |
303 | } | |
304 | ||
faa133f3 | 305 | DnsResourceRecord* dns_resource_record_new(DnsResourceKey *key) { |
74b2466e LP |
306 | DnsResourceRecord *rr; |
307 | ||
308 | rr = new0(DnsResourceRecord, 1); | |
309 | if (!rr) | |
310 | return NULL; | |
311 | ||
312 | rr->n_ref = 1; | |
faa133f3 LP |
313 | rr->key = dns_resource_key_ref(key); |
314 | ||
74b2466e LP |
315 | return rr; |
316 | } | |
317 | ||
8bf52d3d LP |
318 | DnsResourceRecord* dns_resource_record_new_full(uint16_t class, uint16_t type, const char *name) { |
319 | _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL; | |
320 | ||
321 | key = dns_resource_key_new(class, type, name); | |
322 | if (!key) | |
323 | return NULL; | |
324 | ||
325 | return dns_resource_record_new(key); | |
326 | } | |
327 | ||
74b2466e LP |
328 | DnsResourceRecord* dns_resource_record_ref(DnsResourceRecord *rr) { |
329 | if (!rr) | |
330 | return NULL; | |
331 | ||
332 | assert(rr->n_ref > 0); | |
333 | rr->n_ref++; | |
334 | ||
335 | return rr; | |
336 | } | |
337 | ||
338 | DnsResourceRecord* dns_resource_record_unref(DnsResourceRecord *rr) { | |
339 | if (!rr) | |
340 | return NULL; | |
341 | ||
342 | assert(rr->n_ref > 0); | |
343 | ||
344 | if (rr->n_ref > 1) { | |
345 | rr->n_ref--; | |
346 | return NULL; | |
347 | } | |
348 | ||
faa133f3 | 349 | if (rr->key) { |
9de3e329 | 350 | switch(rr->key->type) { |
9c92ce6d LP |
351 | |
352 | case DNS_TYPE_SRV: | |
353 | free(rr->srv.name); | |
354 | break; | |
355 | ||
9de3e329 ZJS |
356 | case DNS_TYPE_PTR: |
357 | case DNS_TYPE_NS: | |
358 | case DNS_TYPE_CNAME: | |
8ac4e9e1 | 359 | case DNS_TYPE_DNAME: |
faa133f3 | 360 | free(rr->ptr.name); |
9de3e329 | 361 | break; |
9c92ce6d | 362 | |
9de3e329 | 363 | case DNS_TYPE_HINFO: |
faa133f3 LP |
364 | free(rr->hinfo.cpu); |
365 | free(rr->hinfo.os); | |
9de3e329 | 366 | break; |
9c92ce6d | 367 | |
9de3e329 | 368 | case DNS_TYPE_TXT: |
9c92ce6d | 369 | case DNS_TYPE_SPF: |
2001c805 | 370 | dns_txt_item_free_all(rr->txt.items); |
9de3e329 | 371 | break; |
9c92ce6d | 372 | |
9de3e329 | 373 | case DNS_TYPE_SOA: |
7e8e0422 LP |
374 | free(rr->soa.mname); |
375 | free(rr->soa.rname); | |
9de3e329 | 376 | break; |
9c92ce6d | 377 | |
9de3e329 | 378 | case DNS_TYPE_MX: |
946c7094 | 379 | free(rr->mx.exchange); |
9de3e329 | 380 | break; |
9c92ce6d | 381 | |
abf126a3 TG |
382 | case DNS_TYPE_DS: |
383 | free(rr->ds.digest); | |
384 | break; | |
385 | ||
42cc2eeb | 386 | case DNS_TYPE_SSHFP: |
549c1a25 | 387 | free(rr->sshfp.fingerprint); |
42cc2eeb LP |
388 | break; |
389 | ||
8db0d2f5 ZJS |
390 | case DNS_TYPE_DNSKEY: |
391 | free(rr->dnskey.key); | |
392 | break; | |
393 | ||
151226ab ZJS |
394 | case DNS_TYPE_RRSIG: |
395 | free(rr->rrsig.signer); | |
396 | free(rr->rrsig.signature); | |
397 | break; | |
398 | ||
50f1e641 TG |
399 | case DNS_TYPE_NSEC: |
400 | free(rr->nsec.next_domain_name); | |
401 | bitmap_free(rr->nsec.types); | |
402 | break; | |
403 | ||
5d45a880 TG |
404 | case DNS_TYPE_NSEC3: |
405 | free(rr->nsec3.next_hashed_name); | |
406 | free(rr->nsec3.salt); | |
407 | bitmap_free(rr->nsec3.types); | |
408 | break; | |
409 | ||
0dae31d4 | 410 | case DNS_TYPE_LOC: |
9de3e329 ZJS |
411 | case DNS_TYPE_A: |
412 | case DNS_TYPE_AAAA: | |
413 | break; | |
9c92ce6d | 414 | |
9de3e329 | 415 | default: |
faa133f3 | 416 | free(rr->generic.data); |
9de3e329 | 417 | } |
322345fd | 418 | |
a8812dd7 | 419 | free(rr->wire_format); |
faa133f3 LP |
420 | dns_resource_key_unref(rr->key); |
421 | } | |
322345fd | 422 | |
faa133f3 | 423 | free(rr); |
322345fd | 424 | |
322345fd LP |
425 | return NULL; |
426 | } | |
427 | ||
623a4c97 LP |
428 | int dns_resource_record_new_reverse(DnsResourceRecord **ret, int family, const union in_addr_union *address, const char *hostname) { |
429 | _cleanup_(dns_resource_key_unrefp) DnsResourceKey *key = NULL; | |
430 | _cleanup_(dns_resource_record_unrefp) DnsResourceRecord *rr = NULL; | |
431 | _cleanup_free_ char *ptr = NULL; | |
432 | int r; | |
433 | ||
434 | assert(ret); | |
435 | assert(address); | |
436 | assert(hostname); | |
437 | ||
438 | r = dns_name_reverse(family, address, &ptr); | |
439 | if (r < 0) | |
440 | return r; | |
441 | ||
442 | key = dns_resource_key_new_consume(DNS_CLASS_IN, DNS_TYPE_PTR, ptr); | |
443 | if (!key) | |
444 | return -ENOMEM; | |
445 | ||
446 | ptr = NULL; | |
447 | ||
448 | rr = dns_resource_record_new(key); | |
449 | if (!rr) | |
450 | return -ENOMEM; | |
451 | ||
452 | rr->ptr.name = strdup(hostname); | |
453 | if (!rr->ptr.name) | |
454 | return -ENOMEM; | |
455 | ||
456 | *ret = rr; | |
457 | rr = NULL; | |
458 | ||
459 | return 0; | |
460 | } | |
461 | ||
78c6a153 LP |
462 | int dns_resource_record_new_address(DnsResourceRecord **ret, int family, const union in_addr_union *address, const char *name) { |
463 | DnsResourceRecord *rr; | |
464 | ||
465 | assert(ret); | |
466 | assert(address); | |
467 | assert(family); | |
468 | ||
469 | if (family == AF_INET) { | |
470 | ||
471 | rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_A, name); | |
472 | if (!rr) | |
473 | return -ENOMEM; | |
474 | ||
475 | rr->a.in_addr = address->in; | |
476 | ||
477 | } else if (family == AF_INET6) { | |
478 | ||
479 | rr = dns_resource_record_new_full(DNS_CLASS_IN, DNS_TYPE_AAAA, name); | |
480 | if (!rr) | |
481 | return -ENOMEM; | |
482 | ||
483 | rr->aaaa.in6_addr = address->in6; | |
484 | } else | |
485 | return -EAFNOSUPPORT; | |
486 | ||
487 | *ret = rr; | |
488 | ||
489 | return 0; | |
490 | } | |
491 | ||
322345fd LP |
492 | int dns_resource_record_equal(const DnsResourceRecord *a, const DnsResourceRecord *b) { |
493 | int r; | |
494 | ||
495 | assert(a); | |
496 | assert(b); | |
497 | ||
faa133f3 | 498 | r = dns_resource_key_equal(a->key, b->key); |
322345fd LP |
499 | if (r <= 0) |
500 | return r; | |
501 | ||
fd0b4602 LP |
502 | if (a->unparseable != b->unparseable) |
503 | return 0; | |
504 | ||
505 | switch (a->unparseable ? _DNS_TYPE_INVALID : a->key->type) { | |
2d4c5cbc | 506 | |
9c92ce6d LP |
507 | case DNS_TYPE_SRV: |
508 | r = dns_name_equal(a->srv.name, b->srv.name); | |
509 | if (r <= 0) | |
510 | return r; | |
511 | ||
512 | return a->srv.priority == b->srv.priority && | |
513 | a->srv.weight == b->srv.weight && | |
514 | a->srv.port == b->srv.port; | |
515 | ||
2d4c5cbc LP |
516 | case DNS_TYPE_PTR: |
517 | case DNS_TYPE_NS: | |
518 | case DNS_TYPE_CNAME: | |
8ac4e9e1 | 519 | case DNS_TYPE_DNAME: |
322345fd | 520 | return dns_name_equal(a->ptr.name, b->ptr.name); |
2d4c5cbc LP |
521 | |
522 | case DNS_TYPE_HINFO: | |
523 | return strcaseeq(a->hinfo.cpu, b->hinfo.cpu) && | |
524 | strcaseeq(a->hinfo.os, b->hinfo.os); | |
525 | ||
9de3e329 | 526 | case DNS_TYPE_SPF: /* exactly the same as TXT */ |
0f84a72e | 527 | case DNS_TYPE_TXT: |
2001c805 | 528 | return dns_txt_item_equal(a->txt.items, b->txt.items); |
2e276efc | 529 | |
2d4c5cbc | 530 | case DNS_TYPE_A: |
322345fd | 531 | return memcmp(&a->a.in_addr, &b->a.in_addr, sizeof(struct in_addr)) == 0; |
2d4c5cbc LP |
532 | |
533 | case DNS_TYPE_AAAA: | |
322345fd | 534 | return memcmp(&a->aaaa.in6_addr, &b->aaaa.in6_addr, sizeof(struct in6_addr)) == 0; |
2d4c5cbc LP |
535 | |
536 | case DNS_TYPE_SOA: | |
7e8e0422 LP |
537 | r = dns_name_equal(a->soa.mname, b->soa.mname); |
538 | if (r <= 0) | |
539 | return r; | |
540 | r = dns_name_equal(a->soa.rname, b->soa.rname); | |
541 | if (r <= 0) | |
542 | return r; | |
543 | ||
544 | return a->soa.serial == b->soa.serial && | |
545 | a->soa.refresh == b->soa.refresh && | |
546 | a->soa.retry == b->soa.retry && | |
547 | a->soa.expire == b->soa.expire && | |
548 | a->soa.minimum == b->soa.minimum; | |
9c92ce6d | 549 | |
946c7094 ZJS |
550 | case DNS_TYPE_MX: |
551 | if (a->mx.priority != b->mx.priority) | |
552 | return 0; | |
553 | ||
554 | return dns_name_equal(a->mx.exchange, b->mx.exchange); | |
555 | ||
0dae31d4 ZJS |
556 | case DNS_TYPE_LOC: |
557 | assert(a->loc.version == b->loc.version); | |
558 | ||
559 | return a->loc.size == b->loc.size && | |
560 | a->loc.horiz_pre == b->loc.horiz_pre && | |
561 | a->loc.vert_pre == b->loc.vert_pre && | |
562 | a->loc.latitude == b->loc.latitude && | |
563 | a->loc.longitude == b->loc.longitude && | |
564 | a->loc.altitude == b->loc.altitude; | |
565 | ||
abf126a3 TG |
566 | case DNS_TYPE_DS: |
567 | return a->ds.key_tag == b->ds.key_tag && | |
568 | a->ds.algorithm == b->ds.algorithm && | |
569 | a->ds.digest_type == b->ds.digest_type && | |
570 | a->ds.digest_size == b->ds.digest_size && | |
571 | memcmp(a->ds.digest, b->ds.digest, a->ds.digest_size) == 0; | |
572 | ||
42cc2eeb LP |
573 | case DNS_TYPE_SSHFP: |
574 | return a->sshfp.algorithm == b->sshfp.algorithm && | |
575 | a->sshfp.fptype == b->sshfp.fptype && | |
549c1a25 TG |
576 | a->sshfp.fingerprint_size == b->sshfp.fingerprint_size && |
577 | memcmp(a->sshfp.fingerprint, b->sshfp.fingerprint, a->sshfp.fingerprint_size) == 0; | |
42cc2eeb | 578 | |
8db0d2f5 | 579 | case DNS_TYPE_DNSKEY: |
f91dc240 LP |
580 | return a->dnskey.flags == b->dnskey.flags && |
581 | a->dnskey.protocol == b->dnskey.protocol && | |
8db0d2f5 ZJS |
582 | a->dnskey.algorithm == b->dnskey.algorithm && |
583 | a->dnskey.key_size == b->dnskey.key_size && | |
584 | memcmp(a->dnskey.key, b->dnskey.key, a->dnskey.key_size) == 0; | |
585 | ||
151226ab ZJS |
586 | case DNS_TYPE_RRSIG: |
587 | /* do the fast comparisons first */ | |
03664a62 LN |
588 | if (a->rrsig.type_covered != b->rrsig.type_covered || |
589 | a->rrsig.algorithm != b->rrsig.algorithm || | |
590 | a->rrsig.labels != b->rrsig.labels || | |
591 | a->rrsig.original_ttl != b->rrsig.original_ttl || | |
592 | a->rrsig.expiration != b->rrsig.expiration || | |
593 | a->rrsig.inception != b->rrsig.inception || | |
594 | a->rrsig.key_tag != b->rrsig.key_tag || | |
151226ab ZJS |
595 | a->rrsig.signature_size != b->rrsig.signature_size || |
596 | memcmp(a->rrsig.signature, b->rrsig.signature, a->rrsig.signature_size) != 0) | |
597 | return false; | |
598 | ||
599 | return dns_name_equal(a->rrsig.signer, b->rrsig.signer); | |
600 | ||
50f1e641 TG |
601 | case DNS_TYPE_NSEC: |
602 | return dns_name_equal(a->nsec.next_domain_name, b->nsec.next_domain_name) && | |
603 | bitmap_equal(a->nsec.types, b->nsec.types); | |
604 | ||
5d45a880 TG |
605 | case DNS_TYPE_NSEC3: |
606 | return a->nsec3.algorithm == b->nsec3.algorithm && | |
607 | a->nsec3.flags == b->nsec3.flags && | |
608 | a->nsec3.iterations == b->nsec3.iterations && | |
609 | a->nsec3.salt_size == b->nsec3.salt_size && | |
610 | memcmp(a->nsec3.salt, b->nsec3.salt, a->nsec3.salt_size) == 0 && | |
611 | memcmp(a->nsec3.next_hashed_name, b->nsec3.next_hashed_name, a->nsec3.next_hashed_name_size) == 0 && | |
612 | bitmap_equal(a->nsec3.types, b->nsec3.types); | |
613 | ||
2d4c5cbc | 614 | default: |
322345fd LP |
615 | return a->generic.size == b->generic.size && |
616 | memcmp(a->generic.data, b->generic.data, a->generic.size) == 0; | |
2d4c5cbc | 617 | } |
322345fd LP |
618 | } |
619 | ||
0dae31d4 ZJS |
620 | static char* format_location(uint32_t latitude, uint32_t longitude, uint32_t altitude, |
621 | uint8_t size, uint8_t horiz_pre, uint8_t vert_pre) { | |
622 | char *s; | |
623 | char NS = latitude >= 1U<<31 ? 'N' : 'S'; | |
624 | char EW = longitude >= 1U<<31 ? 'E' : 'W'; | |
625 | ||
626 | int lat = latitude >= 1U<<31 ? (int) (latitude - (1U<<31)) : (int) ((1U<<31) - latitude); | |
627 | int lon = longitude >= 1U<<31 ? (int) (longitude - (1U<<31)) : (int) ((1U<<31) - longitude); | |
628 | double alt = altitude >= 10000000u ? altitude - 10000000u : -(double)(10000000u - altitude); | |
629 | double siz = (size >> 4) * exp10((double) (size & 0xF)); | |
630 | double hor = (horiz_pre >> 4) * exp10((double) (horiz_pre & 0xF)); | |
631 | double ver = (vert_pre >> 4) * exp10((double) (vert_pre & 0xF)); | |
632 | ||
633 | if (asprintf(&s, "%d %d %.3f %c %d %d %.3f %c %.2fm %.2fm %.2fm %.2fm", | |
634 | (lat / 60000 / 60), | |
635 | (lat / 60000) % 60, | |
636 | (lat % 60000) / 1000., | |
637 | NS, | |
638 | (lon / 60000 / 60), | |
639 | (lon / 60000) % 60, | |
640 | (lon % 60000) / 1000., | |
641 | EW, | |
642 | alt / 100., | |
643 | siz / 100., | |
644 | hor / 100., | |
645 | ver / 100.) < 0) | |
646 | return NULL; | |
647 | ||
648 | return s; | |
649 | } | |
650 | ||
7c6423e1 TG |
651 | static int format_timestamp_dns(char *buf, size_t l, time_t sec) { |
652 | struct tm tm; | |
653 | ||
654 | assert(buf); | |
655 | assert(l > strlen("YYYYMMDDHHmmSS")); | |
656 | ||
657 | if (!gmtime_r(&sec, &tm)) | |
658 | return -EINVAL; | |
659 | ||
660 | if (strftime(buf, l, "%Y%m%d%H%M%S", &tm) <= 0) | |
661 | return -EINVAL; | |
662 | ||
663 | return 0; | |
664 | } | |
665 | ||
50f1e641 TG |
666 | static char *format_types(Bitmap *types) { |
667 | _cleanup_strv_free_ char **strv = NULL; | |
668 | _cleanup_free_ char *str = NULL; | |
cb57dd41 | 669 | Iterator i; |
50f1e641 TG |
670 | unsigned type; |
671 | int r; | |
672 | ||
cb57dd41 | 673 | BITMAP_FOREACH(type, types, i) { |
50f1e641 | 674 | if (dns_type_to_string(type)) { |
2c1fb4f7 | 675 | r = strv_extend(&strv, dns_type_to_string(type)); |
50f1e641 TG |
676 | if (r < 0) |
677 | return NULL; | |
678 | } else { | |
679 | char *t; | |
680 | ||
681 | r = asprintf(&t, "TYPE%u", type); | |
682 | if (r < 0) | |
683 | return NULL; | |
684 | ||
2c1fb4f7 | 685 | r = strv_consume(&strv, t); |
50f1e641 TG |
686 | if (r < 0) |
687 | return NULL; | |
688 | } | |
689 | } | |
690 | ||
691 | str = strv_join(strv, " "); | |
692 | if (!str) | |
693 | return NULL; | |
694 | ||
695 | return strjoin("( ", str, " )", NULL); | |
696 | } | |
697 | ||
2001c805 LP |
698 | static char *format_txt(DnsTxtItem *first) { |
699 | DnsTxtItem *i; | |
700 | size_t c = 1; | |
701 | char *p, *s; | |
702 | ||
703 | LIST_FOREACH(items, i, first) | |
704 | c += i->length * 4 + 3; | |
705 | ||
706 | p = s = new(char, c); | |
707 | if (!s) | |
708 | return NULL; | |
709 | ||
710 | LIST_FOREACH(items, i, first) { | |
711 | size_t j; | |
712 | ||
713 | if (i != first) | |
714 | *(p++) = ' '; | |
715 | ||
716 | *(p++) = '"'; | |
717 | ||
718 | for (j = 0; j < i->length; j++) { | |
719 | if (i->data[j] < ' ' || i->data[j] == '"' || i->data[j] >= 127) { | |
720 | *(p++) = '\\'; | |
721 | *(p++) = '0' + (i->data[j] / 100); | |
722 | *(p++) = '0' + ((i->data[j] / 10) % 10); | |
723 | *(p++) = '0' + (i->data[j] % 10); | |
724 | } else | |
725 | *(p++) = i->data[j]; | |
726 | } | |
727 | ||
728 | *(p++) = '"'; | |
729 | } | |
730 | ||
731 | *p = 0; | |
732 | return s; | |
733 | } | |
734 | ||
2d4c5cbc | 735 | int dns_resource_record_to_string(const DnsResourceRecord *rr, char **ret) { |
8db0d2f5 | 736 | _cleanup_free_ char *k = NULL, *t = NULL; |
2d4c5cbc LP |
737 | char *s; |
738 | int r; | |
322345fd | 739 | |
2d4c5cbc | 740 | assert(rr); |
322345fd | 741 | |
2d4c5cbc LP |
742 | r = dns_resource_key_to_string(rr->key, &k); |
743 | if (r < 0) | |
744 | return r; | |
322345fd | 745 | |
0dae31d4 | 746 | switch (rr->unparseable ? _DNS_TYPE_INVALID : rr->key->type) { |
322345fd | 747 | |
9c92ce6d LP |
748 | case DNS_TYPE_SRV: |
749 | r = asprintf(&s, "%s %u %u %u %s", | |
750 | k, | |
751 | rr->srv.priority, | |
752 | rr->srv.weight, | |
753 | rr->srv.port, | |
754 | strna(rr->srv.name)); | |
755 | if (r < 0) | |
756 | return -ENOMEM; | |
757 | break; | |
758 | ||
2d4c5cbc LP |
759 | case DNS_TYPE_PTR: |
760 | case DNS_TYPE_NS: | |
761 | case DNS_TYPE_CNAME: | |
8ac4e9e1 | 762 | case DNS_TYPE_DNAME: |
2d4c5cbc LP |
763 | s = strjoin(k, " ", rr->ptr.name, NULL); |
764 | if (!s) | |
765 | return -ENOMEM; | |
322345fd | 766 | |
2d4c5cbc | 767 | break; |
322345fd | 768 | |
2d4c5cbc LP |
769 | case DNS_TYPE_HINFO: |
770 | s = strjoin(k, " ", rr->hinfo.cpu, " ", rr->hinfo.os, NULL); | |
771 | if (!s) | |
772 | return -ENOMEM; | |
773 | break; | |
322345fd | 774 | |
9de3e329 | 775 | case DNS_TYPE_SPF: /* exactly the same as TXT */ |
8db0d2f5 | 776 | case DNS_TYPE_TXT: |
2001c805 | 777 | t = format_txt(rr->txt.items); |
2e276efc ZJS |
778 | if (!t) |
779 | return -ENOMEM; | |
780 | ||
781 | s = strjoin(k, " ", t, NULL); | |
782 | if (!s) | |
783 | return -ENOMEM; | |
2e276efc | 784 | break; |
2e276efc | 785 | |
2d4c5cbc LP |
786 | case DNS_TYPE_A: { |
787 | _cleanup_free_ char *x = NULL; | |
322345fd | 788 | |
2d4c5cbc LP |
789 | r = in_addr_to_string(AF_INET, (const union in_addr_union*) &rr->a.in_addr, &x); |
790 | if (r < 0) | |
791 | return r; | |
322345fd | 792 | |
2d4c5cbc LP |
793 | s = strjoin(k, " ", x, NULL); |
794 | if (!s) | |
795 | return -ENOMEM; | |
796 | break; | |
797 | } | |
322345fd | 798 | |
8db0d2f5 ZJS |
799 | case DNS_TYPE_AAAA: |
800 | r = in_addr_to_string(AF_INET6, (const union in_addr_union*) &rr->aaaa.in6_addr, &t); | |
2d4c5cbc LP |
801 | if (r < 0) |
802 | return r; | |
322345fd | 803 | |
8db0d2f5 | 804 | s = strjoin(k, " ", t, NULL); |
2d4c5cbc LP |
805 | if (!s) |
806 | return -ENOMEM; | |
807 | break; | |
322345fd | 808 | |
2d4c5cbc LP |
809 | case DNS_TYPE_SOA: |
810 | r = asprintf(&s, "%s %s %s %u %u %u %u %u", | |
811 | k, | |
812 | strna(rr->soa.mname), | |
813 | strna(rr->soa.rname), | |
814 | rr->soa.serial, | |
815 | rr->soa.refresh, | |
816 | rr->soa.retry, | |
817 | rr->soa.expire, | |
818 | rr->soa.minimum); | |
819 | if (r < 0) | |
820 | return -ENOMEM; | |
821 | break; | |
822 | ||
946c7094 ZJS |
823 | case DNS_TYPE_MX: |
824 | r = asprintf(&s, "%s %u %s", | |
825 | k, | |
826 | rr->mx.priority, | |
827 | rr->mx.exchange); | |
828 | if (r < 0) | |
829 | return -ENOMEM; | |
830 | break; | |
831 | ||
8db0d2f5 | 832 | case DNS_TYPE_LOC: |
0dae31d4 ZJS |
833 | assert(rr->loc.version == 0); |
834 | ||
8db0d2f5 ZJS |
835 | t = format_location(rr->loc.latitude, |
836 | rr->loc.longitude, | |
837 | rr->loc.altitude, | |
838 | rr->loc.size, | |
839 | rr->loc.horiz_pre, | |
840 | rr->loc.vert_pre); | |
841 | if (!t) | |
0dae31d4 ZJS |
842 | return -ENOMEM; |
843 | ||
8db0d2f5 | 844 | s = strjoin(k, " ", t, NULL); |
0dae31d4 ZJS |
845 | if (!s) |
846 | return -ENOMEM; | |
0dae31d4 | 847 | break; |
0dae31d4 | 848 | |
abf126a3 TG |
849 | case DNS_TYPE_DS: |
850 | t = hexmem(rr->ds.digest, rr->ds.digest_size); | |
851 | if (!t) | |
852 | return -ENOMEM; | |
853 | ||
854 | r = asprintf(&s, "%s %u %u %u %s", | |
855 | k, | |
856 | rr->ds.key_tag, | |
857 | rr->ds.algorithm, | |
858 | rr->ds.digest_type, | |
859 | t); | |
860 | if (r < 0) | |
861 | return -ENOMEM; | |
862 | break; | |
863 | ||
8db0d2f5 | 864 | case DNS_TYPE_SSHFP: |
549c1a25 | 865 | t = hexmem(rr->sshfp.fingerprint, rr->sshfp.fingerprint_size); |
8db0d2f5 | 866 | if (!t) |
42cc2eeb LP |
867 | return -ENOMEM; |
868 | ||
869 | r = asprintf(&s, "%s %u %u %s", | |
870 | k, | |
871 | rr->sshfp.algorithm, | |
872 | rr->sshfp.fptype, | |
8db0d2f5 | 873 | t); |
42cc2eeb LP |
874 | if (r < 0) |
875 | return -ENOMEM; | |
876 | break; | |
42cc2eeb | 877 | |
ff3d6560 ZJS |
878 | case DNS_TYPE_DNSKEY: { |
879 | const char *alg; | |
880 | ||
881 | alg = dnssec_algorithm_to_string(rr->dnskey.algorithm); | |
882 | ||
1bf968f3 | 883 | t = base64mem(rr->dnskey.key, rr->dnskey.key_size); |
8db0d2f5 ZJS |
884 | if (!t) |
885 | return -ENOMEM; | |
2d4c5cbc | 886 | |
f91dc240 | 887 | r = asprintf(&s, "%s %u %u %.*s%.*u %s", |
8db0d2f5 | 888 | k, |
f91dc240 LP |
889 | rr->dnskey.flags, |
890 | rr->dnskey.protocol, | |
ff3d6560 ZJS |
891 | alg ? -1 : 0, alg, |
892 | alg ? 0 : 1, alg ? 0u : (unsigned) rr->dnskey.algorithm, | |
8db0d2f5 ZJS |
893 | t); |
894 | if (r < 0) | |
2d4c5cbc | 895 | return -ENOMEM; |
8db0d2f5 | 896 | break; |
ff3d6560 | 897 | } |
2d4c5cbc | 898 | |
151226ab ZJS |
899 | case DNS_TYPE_RRSIG: { |
900 | const char *type, *alg; | |
7c6423e1 | 901 | char expiration[strlen("YYYYMMDDHHmmSS") + 1], inception[strlen("YYYYMMDDHHmmSS") + 1]; |
151226ab ZJS |
902 | |
903 | type = dns_type_to_string(rr->rrsig.type_covered); | |
904 | alg = dnssec_algorithm_to_string(rr->rrsig.algorithm); | |
905 | ||
1bf968f3 | 906 | t = base64mem(rr->rrsig.signature, rr->rrsig.signature_size); |
151226ab ZJS |
907 | if (!t) |
908 | return -ENOMEM; | |
909 | ||
7c6423e1 TG |
910 | r = format_timestamp_dns(expiration, sizeof(expiration), rr->rrsig.expiration); |
911 | if (r < 0) | |
912 | return r; | |
913 | ||
914 | r = format_timestamp_dns(inception, sizeof(inception), rr->rrsig.inception); | |
915 | if (r < 0) | |
916 | return r; | |
917 | ||
151226ab ZJS |
918 | /* TYPE?? follows |
919 | * http://tools.ietf.org/html/rfc3597#section-5 */ | |
920 | ||
7c6423e1 | 921 | r = asprintf(&s, "%s %s%.*u %.*s%.*u %u %u %s %s %u %s %s", |
151226ab ZJS |
922 | k, |
923 | type ?: "TYPE", | |
924 | type ? 0 : 1, type ? 0u : (unsigned) rr->rrsig.type_covered, | |
925 | alg ? -1 : 0, alg, | |
926 | alg ? 0 : 1, alg ? 0u : (unsigned) rr->rrsig.algorithm, | |
927 | rr->rrsig.labels, | |
928 | rr->rrsig.original_ttl, | |
7c6423e1 TG |
929 | expiration, |
930 | inception, | |
151226ab ZJS |
931 | rr->rrsig.key_tag, |
932 | rr->rrsig.signer, | |
933 | t); | |
934 | if (r < 0) | |
935 | return -ENOMEM; | |
936 | break; | |
937 | } | |
938 | ||
50f1e641 TG |
939 | case DNS_TYPE_NSEC: |
940 | t = format_types(rr->nsec.types); | |
941 | if (!t) | |
942 | return -ENOMEM; | |
943 | ||
944 | r = asprintf(&s, "%s %s %s", | |
945 | k, | |
946 | rr->nsec.next_domain_name, | |
947 | t); | |
948 | if (r < 0) | |
949 | return -ENOMEM; | |
950 | break; | |
951 | ||
5d45a880 TG |
952 | case DNS_TYPE_NSEC3: { |
953 | _cleanup_free_ char *salt = NULL, *hash = NULL; | |
954 | ||
f5430a3e | 955 | if (rr->nsec3.salt_size > 0) { |
5d45a880 TG |
956 | salt = hexmem(rr->nsec3.salt, rr->nsec3.salt_size); |
957 | if (!salt) | |
958 | return -ENOMEM; | |
959 | } | |
960 | ||
961 | hash = base32hexmem(rr->nsec3.next_hashed_name, rr->nsec3.next_hashed_name_size, false); | |
962 | if (!hash) | |
963 | return -ENOMEM; | |
964 | ||
965 | t = format_types(rr->nsec3.types); | |
966 | if (!t) | |
967 | return -ENOMEM; | |
968 | ||
969 | r = asprintf(&s, "%s %"PRIu8" %"PRIu8" %"PRIu16" %s %s %s", | |
970 | k, | |
971 | rr->nsec3.algorithm, | |
972 | rr->nsec3.flags, | |
973 | rr->nsec3.iterations, | |
f5430a3e | 974 | rr->nsec3.salt_size > 0 ? salt : "-", |
5d45a880 TG |
975 | hash, |
976 | t); | |
977 | if (r < 0) | |
978 | return -ENOMEM; | |
979 | ||
980 | break; | |
981 | } | |
982 | ||
8db0d2f5 ZJS |
983 | default: |
984 | t = hexmem(rr->generic.data, rr->generic.size); | |
985 | if (!t) | |
986 | return -ENOMEM; | |
987 | ||
f5430a3e | 988 | r = asprintf(&s, "%s \\# %zu %s", k, rr->generic.size, t); |
d23a27a9 | 989 | if (r < 0) |
2d4c5cbc LP |
990 | return -ENOMEM; |
991 | break; | |
8db0d2f5 | 992 | } |
2d4c5cbc LP |
993 | |
994 | *ret = s; | |
995 | return 0; | |
996 | } | |
322345fd | 997 | |
a8812dd7 LP |
998 | int dns_resource_record_to_wire_format(DnsResourceRecord *rr, bool canonical) { |
999 | ||
1000 | DnsPacket packet = { | |
1001 | .n_ref = 1, | |
1002 | .protocol = DNS_PROTOCOL_DNS, | |
1003 | .on_stack = true, | |
1004 | .refuse_compression = true, | |
1005 | .canonical_form = canonical, | |
1006 | }; | |
1007 | ||
1008 | size_t start, rds; | |
1009 | int r; | |
1010 | ||
1011 | assert(rr); | |
1012 | ||
1013 | /* Generates the RR in wire-format, optionally in the | |
1014 | * canonical form as discussed in the DNSSEC RFC 4034, Section | |
1015 | * 6.2. We allocate a throw-away DnsPacket object on the stack | |
1016 | * here, because we need some book-keeping for memory | |
1017 | * management, and can reuse the DnsPacket serializer, that | |
1018 | * can generate the canonical form, too, but also knows label | |
1019 | * compression and suchlike. */ | |
1020 | ||
1021 | if (rr->wire_format && rr->wire_format_canonical == canonical) | |
1022 | return 0; | |
1023 | ||
1024 | r = dns_packet_append_rr(&packet, rr, &start, &rds); | |
1025 | if (r < 0) | |
1026 | return r; | |
1027 | ||
1028 | assert(start == 0); | |
1029 | assert(packet._data); | |
1030 | ||
1031 | free(rr->wire_format); | |
1032 | rr->wire_format = packet._data; | |
1033 | rr->wire_format_size = packet.size; | |
1034 | rr->wire_format_rdata_offset = rds; | |
1035 | rr->wire_format_canonical = canonical; | |
1036 | ||
1037 | packet._data = NULL; | |
1038 | dns_packet_unref(&packet); | |
1039 | ||
1040 | return 0; | |
1041 | } | |
1042 | ||
2d4c5cbc | 1043 | const char *dns_class_to_string(uint16_t class) { |
322345fd | 1044 | |
2d4c5cbc | 1045 | switch (class) { |
322345fd | 1046 | |
2d4c5cbc LP |
1047 | case DNS_CLASS_IN: |
1048 | return "IN"; | |
322345fd | 1049 | |
2d4c5cbc LP |
1050 | case DNS_CLASS_ANY: |
1051 | return "ANY"; | |
1052 | } | |
322345fd | 1053 | |
2d4c5cbc LP |
1054 | return NULL; |
1055 | } | |
322345fd | 1056 | |
2d4c5cbc LP |
1057 | int dns_class_from_string(const char *s, uint16_t *class) { |
1058 | assert(s); | |
1059 | assert(class); | |
1060 | ||
1061 | if (strcaseeq(s, "IN")) | |
1062 | *class = DNS_CLASS_IN; | |
1063 | else if (strcaseeq(s, "ANY")) | |
816b4547 | 1064 | *class = DNS_CLASS_ANY; |
2d4c5cbc LP |
1065 | else |
1066 | return -EINVAL; | |
322345fd | 1067 | |
2d4c5cbc LP |
1068 | return 0; |
1069 | } | |
2001c805 LP |
1070 | |
1071 | DnsTxtItem *dns_txt_item_free_all(DnsTxtItem *i) { | |
1072 | DnsTxtItem *n; | |
1073 | ||
1074 | if (!i) | |
1075 | return NULL; | |
1076 | ||
1077 | n = i->items_next; | |
1078 | ||
1079 | free(i); | |
1080 | return dns_txt_item_free_all(n); | |
1081 | } | |
1082 | ||
1083 | bool dns_txt_item_equal(DnsTxtItem *a, DnsTxtItem *b) { | |
1084 | ||
1085 | if (!a != !b) | |
1086 | return false; | |
1087 | ||
1088 | if (!a) | |
1089 | return true; | |
1090 | ||
1091 | if (a->length != b->length) | |
1092 | return false; | |
1093 | ||
1094 | if (memcmp(a->data, b->data, a->length) != 0) | |
1095 | return false; | |
1096 | ||
1097 | return dns_txt_item_equal(a->items_next, b->items_next); | |
1098 | } | |
8730bccf LP |
1099 | |
1100 | static const char* const dnssec_algorithm_table[_DNSSEC_ALGORITHM_MAX_DEFINED] = { | |
1101 | [DNSSEC_ALGORITHM_RSAMD5] = "RSAMD5", | |
1102 | [DNSSEC_ALGORITHM_DH] = "DH", | |
1103 | [DNSSEC_ALGORITHM_DSA] = "DSA", | |
1104 | [DNSSEC_ALGORITHM_ECC] = "ECC", | |
1105 | [DNSSEC_ALGORITHM_RSASHA1] = "RSASHA1", | |
1106 | [DNSSEC_ALGORITHM_DSA_NSEC3_SHA1] = "DSA-NSEC3-SHA1", | |
1107 | [DNSSEC_ALGORITHM_RSASHA1_NSEC3_SHA1] = "RSASHA1-NSEC3-SHA1", | |
1108 | [DNSSEC_ALGORITHM_RSASHA256] = "RSASHA256", | |
1109 | [DNSSEC_ALGORITHM_RSASHA512] = "RSASHA512", | |
1110 | [DNSSEC_ALGORITHM_INDIRECT] = "INDIRECT", | |
1111 | [DNSSEC_ALGORITHM_PRIVATEDNS] = "PRIVATEDNS", | |
1112 | [DNSSEC_ALGORITHM_PRIVATEOID] = "PRIVATEOID", | |
1113 | }; | |
1114 | DEFINE_STRING_TABLE_LOOKUP(dnssec_algorithm, int); | |
1115 | ||
1116 | static const char* const dnssec_digest_table[_DNSSEC_DIGEST_MAX_DEFINED] = { | |
1117 | [DNSSEC_DIGEST_SHA1] = "SHA1", | |
1118 | [DNSSEC_DIGEST_SHA256] = "SHA256", | |
1119 | }; | |
1120 | DEFINE_STRING_TABLE_LOOKUP(dnssec_digest, int); |