2 This file is part of systemd.
4 Copyright 2014 Lennart Poettering
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include "alloc-util.h"
23 #include "dns-domain.h"
26 #include "hexdecoct.h"
27 #include "resolved-dns-dnssec.h"
28 #include "resolved-dns-packet.h"
29 #include "resolved-dns-rr.h"
30 #include "string-table.h"
31 #include "string-util.h"
33 #include "terminal-util.h"
35 DnsResourceKey
* dns_resource_key_new(uint16_t class, uint16_t type
, const char *name
) {
42 k
= malloc0(sizeof(DnsResourceKey
) + l
+ 1);
50 strcpy((char*) k
+ sizeof(DnsResourceKey
), name
);
55 DnsResourceKey
* dns_resource_key_new_redirect(const DnsResourceKey
*key
, const DnsResourceRecord
*cname
) {
61 assert(IN_SET(cname
->key
->type
, DNS_TYPE_CNAME
, DNS_TYPE_DNAME
));
63 if (cname
->key
->type
== DNS_TYPE_CNAME
)
64 return dns_resource_key_new(key
->class, key
->type
, cname
->cname
.name
);
67 char *destination
= NULL
;
69 r
= dns_name_change_suffix(dns_resource_key_name(key
), dns_resource_key_name(cname
->key
), cname
->dname
.name
, &destination
);
73 return dns_resource_key_ref((DnsResourceKey
*) key
);
75 k
= dns_resource_key_new_consume(key
->class, key
->type
, destination
);
85 int dns_resource_key_new_append_suffix(DnsResourceKey
**ret
, DnsResourceKey
*key
, char *name
) {
86 DnsResourceKey
*new_key
;
94 if (dns_name_is_root(name
)) {
95 *ret
= dns_resource_key_ref(key
);
99 r
= dns_name_concat(dns_resource_key_name(key
), name
, &joined
);
103 new_key
= dns_resource_key_new_consume(key
->class, key
->type
, joined
);
113 DnsResourceKey
* dns_resource_key_new_consume(uint16_t class, uint16_t type
, char *name
) {
118 k
= new0(DnsResourceKey
, 1);
130 DnsResourceKey
* dns_resource_key_ref(DnsResourceKey
*k
) {
135 /* Static/const keys created with DNS_RESOURCE_KEY_CONST will
136 * set this to -1, they should not be reffed/unreffed */
137 assert(k
->n_ref
!= (unsigned) -1);
139 assert(k
->n_ref
> 0);
145 DnsResourceKey
* dns_resource_key_unref(DnsResourceKey
*k
) {
149 assert(k
->n_ref
!= (unsigned) -1);
150 assert(k
->n_ref
> 0);
161 const char* dns_resource_key_name(const DnsResourceKey
*key
) {
170 name
= (char*) key
+ sizeof(DnsResourceKey
);
172 if (dns_name_is_root(name
))
178 bool dns_resource_key_is_address(const DnsResourceKey
*key
) {
181 /* Check if this is an A or AAAA resource key */
183 return key
->class == DNS_CLASS_IN
&& IN_SET(key
->type
, DNS_TYPE_A
, DNS_TYPE_AAAA
);
186 int dns_resource_key_equal(const DnsResourceKey
*a
, const DnsResourceKey
*b
) {
192 r
= dns_name_equal(dns_resource_key_name(a
), dns_resource_key_name(b
));
196 if (a
->class != b
->class)
199 if (a
->type
!= b
->type
)
205 int dns_resource_key_match_rr(const DnsResourceKey
*key
, DnsResourceRecord
*rr
, const char *search_domain
) {
214 /* Checks if an rr matches the specified key. If a search
215 * domain is specified, it will also be checked if the key
216 * with the search domain suffixed might match the RR. */
218 if (rr
->key
->class != key
->class && key
->class != DNS_CLASS_ANY
)
221 if (rr
->key
->type
!= key
->type
&& key
->type
!= DNS_TYPE_ANY
)
224 r
= dns_name_equal(dns_resource_key_name(rr
->key
), dns_resource_key_name(key
));
229 _cleanup_free_
char *joined
= NULL
;
231 r
= dns_name_concat(dns_resource_key_name(key
), search_domain
, &joined
);
235 return dns_name_equal(dns_resource_key_name(rr
->key
), joined
);
241 int dns_resource_key_match_cname_or_dname(const DnsResourceKey
*key
, const DnsResourceKey
*cname
, const char *search_domain
) {
247 if (cname
->class != key
->class && key
->class != DNS_CLASS_ANY
)
250 if (cname
->type
== DNS_TYPE_CNAME
)
251 r
= dns_name_equal(dns_resource_key_name(key
), dns_resource_key_name(cname
));
252 else if (cname
->type
== DNS_TYPE_DNAME
)
253 r
= dns_name_endswith(dns_resource_key_name(key
), dns_resource_key_name(cname
));
261 _cleanup_free_
char *joined
= NULL
;
263 r
= dns_name_concat(dns_resource_key_name(key
), search_domain
, &joined
);
267 if (cname
->type
== DNS_TYPE_CNAME
)
268 return dns_name_equal(joined
, dns_resource_key_name(cname
));
269 else if (cname
->type
== DNS_TYPE_DNAME
)
270 return dns_name_endswith(joined
, dns_resource_key_name(cname
));
276 int dns_resource_key_match_soa(const DnsResourceKey
*key
, const DnsResourceKey
*soa
) {
280 /* Checks whether 'soa' is a SOA record for the specified key. */
282 if (soa
->class != key
->class)
285 if (soa
->type
!= DNS_TYPE_SOA
)
288 return dns_name_endswith(dns_resource_key_name(key
), dns_resource_key_name(soa
));
291 static void dns_resource_key_hash_func(const void *i
, struct siphash
*state
) {
292 const DnsResourceKey
*k
= i
;
296 dns_name_hash_func(dns_resource_key_name(k
), state
);
297 siphash24_compress(&k
->class, sizeof(k
->class), state
);
298 siphash24_compress(&k
->type
, sizeof(k
->type
), state
);
301 static int dns_resource_key_compare_func(const void *a
, const void *b
) {
302 const DnsResourceKey
*x
= a
, *y
= b
;
305 ret
= dns_name_compare_func(dns_resource_key_name(x
), dns_resource_key_name(y
));
309 if (x
->type
< y
->type
)
311 if (x
->type
> y
->type
)
314 if (x
->class < y
->class)
316 if (x
->class > y
->class)
322 const struct hash_ops dns_resource_key_hash_ops
= {
323 .hash
= dns_resource_key_hash_func
,
324 .compare
= dns_resource_key_compare_func
327 char* dns_resource_key_to_string(const DnsResourceKey
*key
, char *buf
, size_t buf_size
) {
331 /* If we cannot convert the CLASS/TYPE into a known string,
332 use the format recommended by RFC 3597, Section 5. */
334 c
= dns_class_to_string(key
->class);
335 t
= dns_type_to_string(key
->type
);
337 snprintf(buf
, buf_size
, "%s %s%s%.0u %s%s%.0u",
338 dns_resource_key_name(key
),
339 c
?: "", c
? "" : "CLASS", c
? 0 : key
->class,
340 t
?: "", t
? "" : "TYPE", t
? 0 : key
->class);
345 bool dns_resource_key_reduce(DnsResourceKey
**a
, DnsResourceKey
**b
) {
349 /* Try to replace one RR key by another if they are identical, thus saving a bit of memory. Note that we do
350 * this only for RR keys, not for RRs themselves, as they carry a lot of additional metadata (where they come
351 * from, validity data, and suchlike), and cannot be replaced so easily by other RRs that have the same
352 * superficial data. */
359 /* We refuse merging const keys */
360 if ((*a
)->n_ref
== (unsigned) -1)
362 if ((*b
)->n_ref
== (unsigned) -1)
365 /* Already the same? */
369 /* Are they really identical? */
370 if (dns_resource_key_equal(*a
, *b
) <= 0)
373 /* Keep the one which already has more references. */
374 if ((*a
)->n_ref
> (*b
)->n_ref
) {
375 dns_resource_key_unref(*b
);
376 *b
= dns_resource_key_ref(*a
);
378 dns_resource_key_unref(*a
);
379 *a
= dns_resource_key_ref(*b
);
385 DnsResourceRecord
* dns_resource_record_new(DnsResourceKey
*key
) {
386 DnsResourceRecord
*rr
;
388 rr
= new0(DnsResourceRecord
, 1);
393 rr
->key
= dns_resource_key_ref(key
);
394 rr
->expiry
= USEC_INFINITY
;
395 rr
->n_skip_labels_signer
= rr
->n_skip_labels_source
= (unsigned) -1;
400 DnsResourceRecord
* dns_resource_record_new_full(uint16_t class, uint16_t type
, const char *name
) {
401 _cleanup_(dns_resource_key_unrefp
) DnsResourceKey
*key
= NULL
;
403 key
= dns_resource_key_new(class, type
, name
);
407 return dns_resource_record_new(key
);
410 DnsResourceRecord
* dns_resource_record_ref(DnsResourceRecord
*rr
) {
414 assert(rr
->n_ref
> 0);
420 DnsResourceRecord
* dns_resource_record_unref(DnsResourceRecord
*rr
) {
424 assert(rr
->n_ref
> 0);
432 switch(rr
->key
->type
) {
452 dns_txt_item_free_all(rr
->txt
.items
);
461 free(rr
->mx
.exchange
);
469 free(rr
->sshfp
.fingerprint
);
472 case DNS_TYPE_DNSKEY
:
473 free(rr
->dnskey
.key
);
477 free(rr
->rrsig
.signer
);
478 free(rr
->rrsig
.signature
);
482 free(rr
->nsec
.next_domain_name
);
483 bitmap_free(rr
->nsec
.types
);
487 free(rr
->nsec3
.next_hashed_name
);
488 free(rr
->nsec3
.salt
);
489 bitmap_free(rr
->nsec3
.types
);
506 case DNS_TYPE_OPENPGPKEY
:
508 free(rr
->generic
.data
);
511 free(rr
->wire_format
);
512 dns_resource_key_unref(rr
->key
);
521 int dns_resource_record_new_reverse(DnsResourceRecord
**ret
, int family
, const union in_addr_union
*address
, const char *hostname
) {
522 _cleanup_(dns_resource_key_unrefp
) DnsResourceKey
*key
= NULL
;
523 _cleanup_(dns_resource_record_unrefp
) DnsResourceRecord
*rr
= NULL
;
524 _cleanup_free_
char *ptr
= NULL
;
531 r
= dns_name_reverse(family
, address
, &ptr
);
535 key
= dns_resource_key_new_consume(DNS_CLASS_IN
, DNS_TYPE_PTR
, ptr
);
541 rr
= dns_resource_record_new(key
);
545 rr
->ptr
.name
= strdup(hostname
);
555 int dns_resource_record_new_address(DnsResourceRecord
**ret
, int family
, const union in_addr_union
*address
, const char *name
) {
556 DnsResourceRecord
*rr
;
562 if (family
== AF_INET
) {
564 rr
= dns_resource_record_new_full(DNS_CLASS_IN
, DNS_TYPE_A
, name
);
568 rr
->a
.in_addr
= address
->in
;
570 } else if (family
== AF_INET6
) {
572 rr
= dns_resource_record_new_full(DNS_CLASS_IN
, DNS_TYPE_AAAA
, name
);
576 rr
->aaaa
.in6_addr
= address
->in6
;
578 return -EAFNOSUPPORT
;
585 #define FIELD_EQUAL(a, b, field) \
586 ((a).field ## _size == (b).field ## _size && \
587 memcmp((a).field, (b).field, (a).field ## _size) == 0)
589 int dns_resource_record_equal(const DnsResourceRecord
*a
, const DnsResourceRecord
*b
) {
598 r
= dns_resource_key_equal(a
->key
, b
->key
);
602 if (a
->unparseable
!= b
->unparseable
)
605 switch (a
->unparseable
? _DNS_TYPE_INVALID
: a
->key
->type
) {
608 r
= dns_name_equal(a
->srv
.name
, b
->srv
.name
);
612 return a
->srv
.priority
== b
->srv
.priority
&&
613 a
->srv
.weight
== b
->srv
.weight
&&
614 a
->srv
.port
== b
->srv
.port
;
620 return dns_name_equal(a
->ptr
.name
, b
->ptr
.name
);
623 return strcaseeq(a
->hinfo
.cpu
, b
->hinfo
.cpu
) &&
624 strcaseeq(a
->hinfo
.os
, b
->hinfo
.os
);
626 case DNS_TYPE_SPF
: /* exactly the same as TXT */
628 return dns_txt_item_equal(a
->txt
.items
, b
->txt
.items
);
631 return memcmp(&a
->a
.in_addr
, &b
->a
.in_addr
, sizeof(struct in_addr
)) == 0;
634 return memcmp(&a
->aaaa
.in6_addr
, &b
->aaaa
.in6_addr
, sizeof(struct in6_addr
)) == 0;
637 r
= dns_name_equal(a
->soa
.mname
, b
->soa
.mname
);
640 r
= dns_name_equal(a
->soa
.rname
, b
->soa
.rname
);
644 return a
->soa
.serial
== b
->soa
.serial
&&
645 a
->soa
.refresh
== b
->soa
.refresh
&&
646 a
->soa
.retry
== b
->soa
.retry
&&
647 a
->soa
.expire
== b
->soa
.expire
&&
648 a
->soa
.minimum
== b
->soa
.minimum
;
651 if (a
->mx
.priority
!= b
->mx
.priority
)
654 return dns_name_equal(a
->mx
.exchange
, b
->mx
.exchange
);
657 assert(a
->loc
.version
== b
->loc
.version
);
659 return a
->loc
.size
== b
->loc
.size
&&
660 a
->loc
.horiz_pre
== b
->loc
.horiz_pre
&&
661 a
->loc
.vert_pre
== b
->loc
.vert_pre
&&
662 a
->loc
.latitude
== b
->loc
.latitude
&&
663 a
->loc
.longitude
== b
->loc
.longitude
&&
664 a
->loc
.altitude
== b
->loc
.altitude
;
667 return a
->ds
.key_tag
== b
->ds
.key_tag
&&
668 a
->ds
.algorithm
== b
->ds
.algorithm
&&
669 a
->ds
.digest_type
== b
->ds
.digest_type
&&
670 FIELD_EQUAL(a
->ds
, b
->ds
, digest
);
673 return a
->sshfp
.algorithm
== b
->sshfp
.algorithm
&&
674 a
->sshfp
.fptype
== b
->sshfp
.fptype
&&
675 FIELD_EQUAL(a
->sshfp
, b
->sshfp
, fingerprint
);
677 case DNS_TYPE_DNSKEY
:
678 return a
->dnskey
.flags
== b
->dnskey
.flags
&&
679 a
->dnskey
.protocol
== b
->dnskey
.protocol
&&
680 a
->dnskey
.algorithm
== b
->dnskey
.algorithm
&&
681 FIELD_EQUAL(a
->dnskey
, b
->dnskey
, key
);
684 /* do the fast comparisons first */
685 return a
->rrsig
.type_covered
== b
->rrsig
.type_covered
&&
686 a
->rrsig
.algorithm
== b
->rrsig
.algorithm
&&
687 a
->rrsig
.labels
== b
->rrsig
.labels
&&
688 a
->rrsig
.original_ttl
== b
->rrsig
.original_ttl
&&
689 a
->rrsig
.expiration
== b
->rrsig
.expiration
&&
690 a
->rrsig
.inception
== b
->rrsig
.inception
&&
691 a
->rrsig
.key_tag
== b
->rrsig
.key_tag
&&
692 FIELD_EQUAL(a
->rrsig
, b
->rrsig
, signature
) &&
693 dns_name_equal(a
->rrsig
.signer
, b
->rrsig
.signer
);
696 return dns_name_equal(a
->nsec
.next_domain_name
, b
->nsec
.next_domain_name
) &&
697 bitmap_equal(a
->nsec
.types
, b
->nsec
.types
);
700 return a
->nsec3
.algorithm
== b
->nsec3
.algorithm
&&
701 a
->nsec3
.flags
== b
->nsec3
.flags
&&
702 a
->nsec3
.iterations
== b
->nsec3
.iterations
&&
703 FIELD_EQUAL(a
->nsec3
, b
->nsec3
, salt
) &&
704 FIELD_EQUAL(a
->nsec3
, b
->nsec3
, next_hashed_name
) &&
705 bitmap_equal(a
->nsec3
.types
, b
->nsec3
.types
);
708 return a
->tlsa
.cert_usage
== b
->tlsa
.cert_usage
&&
709 a
->tlsa
.selector
== b
->tlsa
.selector
&&
710 a
->tlsa
.matching_type
== b
->tlsa
.matching_type
&&
711 FIELD_EQUAL(a
->tlsa
, b
->tlsa
, data
);
714 return a
->caa
.flags
== b
->caa
.flags
&&
715 streq(a
->caa
.tag
, b
->caa
.tag
) &&
716 FIELD_EQUAL(a
->caa
, b
->caa
, value
);
718 case DNS_TYPE_OPENPGPKEY
:
720 return FIELD_EQUAL(a
->generic
, b
->generic
, data
);
724 static char* format_location(uint32_t latitude
, uint32_t longitude
, uint32_t altitude
,
725 uint8_t size
, uint8_t horiz_pre
, uint8_t vert_pre
) {
727 char NS
= latitude
>= 1U<<31 ? 'N' : 'S';
728 char EW
= longitude
>= 1U<<31 ? 'E' : 'W';
730 int lat
= latitude
>= 1U<<31 ? (int) (latitude
- (1U<<31)) : (int) ((1U<<31) - latitude
);
731 int lon
= longitude
>= 1U<<31 ? (int) (longitude
- (1U<<31)) : (int) ((1U<<31) - longitude
);
732 double alt
= altitude
>= 10000000u ? altitude
- 10000000u : -(double)(10000000u - altitude
);
733 double siz
= (size
>> 4) * exp10((double) (size
& 0xF));
734 double hor
= (horiz_pre
>> 4) * exp10((double) (horiz_pre
& 0xF));
735 double ver
= (vert_pre
>> 4) * exp10((double) (vert_pre
& 0xF));
737 if (asprintf(&s
, "%d %d %.3f %c %d %d %.3f %c %.2fm %.2fm %.2fm %.2fm",
740 (lat
% 60000) / 1000.,
744 (lon
% 60000) / 1000.,
755 static int format_timestamp_dns(char *buf
, size_t l
, time_t sec
) {
759 assert(l
> strlen("YYYYMMDDHHmmSS"));
761 if (!gmtime_r(&sec
, &tm
))
764 if (strftime(buf
, l
, "%Y%m%d%H%M%S", &tm
) <= 0)
770 static char *format_types(Bitmap
*types
) {
771 _cleanup_strv_free_
char **strv
= NULL
;
772 _cleanup_free_
char *str
= NULL
;
777 BITMAP_FOREACH(type
, types
, i
) {
778 if (dns_type_to_string(type
)) {
779 r
= strv_extend(&strv
, dns_type_to_string(type
));
785 r
= asprintf(&t
, "TYPE%u", type
);
789 r
= strv_consume(&strv
, t
);
795 str
= strv_join(strv
, " ");
799 return strjoin("( ", str
, " )", NULL
);
802 static char *format_txt(DnsTxtItem
*first
) {
807 LIST_FOREACH(items
, i
, first
)
808 c
+= i
->length
* 4 + 3;
810 p
= s
= new(char, c
);
814 LIST_FOREACH(items
, i
, first
) {
822 for (j
= 0; j
< i
->length
; j
++) {
823 if (i
->data
[j
] < ' ' || i
->data
[j
] == '"' || i
->data
[j
] >= 127) {
825 *(p
++) = '0' + (i
->data
[j
] / 100);
826 *(p
++) = '0' + ((i
->data
[j
] / 10) % 10);
827 *(p
++) = '0' + (i
->data
[j
] % 10);
839 const char *dns_resource_record_to_string(DnsResourceRecord
*rr
) {
840 _cleanup_free_
char *t
= NULL
;
841 char *s
, k
[DNS_RESOURCE_KEY_STRING_MAX
];
847 return rr
->to_string
;
849 dns_resource_key_to_string(rr
->key
, k
, sizeof(k
));
851 switch (rr
->unparseable
? _DNS_TYPE_INVALID
: rr
->key
->type
) {
854 r
= asprintf(&s
, "%s %u %u %u %s",
859 strna(rr
->srv
.name
));
868 s
= strjoin(k
, " ", rr
->ptr
.name
, NULL
);
875 s
= strjoin(k
, " ", rr
->hinfo
.cpu
, " ", rr
->hinfo
.os
, NULL
);
880 case DNS_TYPE_SPF
: /* exactly the same as TXT */
882 t
= format_txt(rr
->txt
.items
);
886 s
= strjoin(k
, " ", t
, NULL
);
892 _cleanup_free_
char *x
= NULL
;
894 r
= in_addr_to_string(AF_INET
, (const union in_addr_union
*) &rr
->a
.in_addr
, &x
);
898 s
= strjoin(k
, " ", x
, NULL
);
905 r
= in_addr_to_string(AF_INET6
, (const union in_addr_union
*) &rr
->aaaa
.in6_addr
, &t
);
909 s
= strjoin(k
, " ", t
, NULL
);
915 r
= asprintf(&s
, "%s %s %s %u %u %u %u %u",
917 strna(rr
->soa
.mname
),
918 strna(rr
->soa
.rname
),
929 r
= asprintf(&s
, "%s %u %s",
938 assert(rr
->loc
.version
== 0);
940 t
= format_location(rr
->loc
.latitude
,
949 s
= strjoin(k
, " ", t
, NULL
);
955 t
= hexmem(rr
->ds
.digest
, rr
->ds
.digest_size
);
959 r
= asprintf(&s
, "%s %u %u %u %s",
970 t
= hexmem(rr
->sshfp
.fingerprint
, rr
->sshfp
.fingerprint_size
);
974 r
= asprintf(&s
, "%s %u %u %s",
983 case DNS_TYPE_DNSKEY
: {
984 _cleanup_free_
char *alg
= NULL
;
989 key_tag
= dnssec_keytag(rr
, true);
991 r
= dnssec_algorithm_to_string_alloc(rr
->dnskey
.algorithm
, &alg
);
995 r
= asprintf(&s
, "%s %u %u %s %n",
1004 r
= base64_append(&s
, n
,
1005 rr
->dnskey
.key
, rr
->dnskey
.key_size
,
1010 r
= asprintf(&ss
, "%s\n"
1011 " -- Flags:%s%s%s\n"
1014 rr
->dnskey
.flags
& DNSKEY_FLAG_SEP
? " SEP" : "",
1015 rr
->dnskey
.flags
& DNSKEY_FLAG_REVOKE
? " REVOKE" : "",
1016 rr
->dnskey
.flags
& DNSKEY_FLAG_ZONE_KEY
? " ZONE_KEY" : "",
1026 case DNS_TYPE_RRSIG
: {
1027 _cleanup_free_
char *alg
= NULL
;
1028 char expiration
[strlen("YYYYMMDDHHmmSS") + 1], inception
[strlen("YYYYMMDDHHmmSS") + 1];
1032 type
= dns_type_to_string(rr
->rrsig
.type_covered
);
1034 r
= dnssec_algorithm_to_string_alloc(rr
->rrsig
.algorithm
, &alg
);
1038 r
= format_timestamp_dns(expiration
, sizeof(expiration
), rr
->rrsig
.expiration
);
1042 r
= format_timestamp_dns(inception
, sizeof(inception
), rr
->rrsig
.inception
);
1047 * http://tools.ietf.org/html/rfc3597#section-5 */
1049 r
= asprintf(&s
, "%s %s%.*u %s %u %u %s %s %u %s %n",
1052 type
? 0 : 1, type
? 0u : (unsigned) rr
->rrsig
.type_covered
,
1055 rr
->rrsig
.original_ttl
,
1064 r
= base64_append(&s
, n
,
1065 rr
->rrsig
.signature
, rr
->rrsig
.signature_size
,
1074 t
= format_types(rr
->nsec
.types
);
1078 r
= asprintf(&s
, "%s %s %s",
1080 rr
->nsec
.next_domain_name
,
1086 case DNS_TYPE_NSEC3
: {
1087 _cleanup_free_
char *salt
= NULL
, *hash
= NULL
;
1089 if (rr
->nsec3
.salt_size
> 0) {
1090 salt
= hexmem(rr
->nsec3
.salt
, rr
->nsec3
.salt_size
);
1095 hash
= base32hexmem(rr
->nsec3
.next_hashed_name
, rr
->nsec3
.next_hashed_name_size
, false);
1099 t
= format_types(rr
->nsec3
.types
);
1103 r
= asprintf(&s
, "%s %"PRIu8
" %"PRIu8
" %"PRIu16
" %s %s %s",
1105 rr
->nsec3
.algorithm
,
1107 rr
->nsec3
.iterations
,
1108 rr
->nsec3
.salt_size
> 0 ? salt
: "-",
1117 case DNS_TYPE_TLSA
: {
1118 const char *cert_usage
, *selector
, *matching_type
;
1120 cert_usage
= tlsa_cert_usage_to_string(rr
->tlsa
.cert_usage
);
1121 selector
= tlsa_selector_to_string(rr
->tlsa
.selector
);
1122 matching_type
= tlsa_matching_type_to_string(rr
->tlsa
.matching_type
);
1124 t
= hexmem(rr
->sshfp
.fingerprint
, rr
->sshfp
.fingerprint_size
);
1130 " -- Cert. usage: %s\n"
1131 " -- Selector: %s\n"
1132 " -- Matching type: %s",
1134 rr
->tlsa
.cert_usage
,
1136 rr
->tlsa
.matching_type
,
1147 case DNS_TYPE_CAA
: {
1148 _cleanup_free_
char *value
;
1150 value
= octescape(rr
->caa
.value
, rr
->caa
.value_size
);
1154 r
= asprintf(&s
, "%s %u %s \"%s\"%s%s%s%.0u",
1159 rr
->caa
.flags
? "\n -- Flags:" : "",
1160 rr
->caa
.flags
& CAA_FLAG_CRITICAL
? " critical" : "",
1161 rr
->caa
.flags
& ~CAA_FLAG_CRITICAL
? " " : "",
1162 rr
->caa
.flags
& ~CAA_FLAG_CRITICAL
);
1169 case DNS_TYPE_OPENPGPKEY
: {
1172 r
= asprintf(&s
, "%s %n",
1178 r
= base64_append(&s
, n
,
1179 rr
->generic
.data
, rr
->generic
.data_size
,
1187 t
= hexmem(rr
->generic
.data
, rr
->generic
.data_size
);
1191 /* Format as documented in RFC 3597, Section 5 */
1192 r
= asprintf(&s
, "%s \\# %zu %s", k
, rr
->generic
.data_size
, t
);
1202 ssize_t
dns_resource_record_payload(DnsResourceRecord
*rr
, void **out
) {
1206 switch(rr
->unparseable
? _DNS_TYPE_INVALID
: rr
->key
->type
) {
1210 case DNS_TYPE_CNAME
:
1211 case DNS_TYPE_DNAME
:
1212 case DNS_TYPE_HINFO
:
1221 case DNS_TYPE_DNSKEY
:
1222 case DNS_TYPE_RRSIG
:
1224 case DNS_TYPE_NSEC3
:
1227 case DNS_TYPE_SSHFP
:
1228 *out
= rr
->sshfp
.fingerprint
;
1229 return rr
->sshfp
.fingerprint_size
;
1232 *out
= rr
->tlsa
.data
;
1233 return rr
->tlsa
.data_size
;
1236 case DNS_TYPE_OPENPGPKEY
:
1238 *out
= rr
->generic
.data
;
1239 return rr
->generic
.data_size
;
1243 int dns_resource_record_to_wire_format(DnsResourceRecord
*rr
, bool canonical
) {
1245 DnsPacket packet
= {
1247 .protocol
= DNS_PROTOCOL_DNS
,
1249 .refuse_compression
= true,
1250 .canonical_form
= canonical
,
1258 /* Generates the RR in wire-format, optionally in the
1259 * canonical form as discussed in the DNSSEC RFC 4034, Section
1260 * 6.2. We allocate a throw-away DnsPacket object on the stack
1261 * here, because we need some book-keeping for memory
1262 * management, and can reuse the DnsPacket serializer, that
1263 * can generate the canonical form, too, but also knows label
1264 * compression and suchlike. */
1266 if (rr
->wire_format
&& rr
->wire_format_canonical
== canonical
)
1269 r
= dns_packet_append_rr(&packet
, rr
, &start
, &rds
);
1274 assert(packet
._data
);
1276 free(rr
->wire_format
);
1277 rr
->wire_format
= packet
._data
;
1278 rr
->wire_format_size
= packet
.size
;
1279 rr
->wire_format_rdata_offset
= rds
;
1280 rr
->wire_format_canonical
= canonical
;
1282 packet
._data
= NULL
;
1283 dns_packet_unref(&packet
);
1288 int dns_resource_record_signer(DnsResourceRecord
*rr
, const char **ret
) {
1295 /* Returns the RRset's signer, if it is known. */
1297 if (rr
->n_skip_labels_signer
== (unsigned) -1)
1300 n
= dns_resource_key_name(rr
->key
);
1301 r
= dns_name_skip(n
, rr
->n_skip_labels_signer
, &n
);
1311 int dns_resource_record_source(DnsResourceRecord
*rr
, const char **ret
) {
1318 /* Returns the RRset's synthesizing source, if it is known. */
1320 if (rr
->n_skip_labels_source
== (unsigned) -1)
1323 n
= dns_resource_key_name(rr
->key
);
1324 r
= dns_name_skip(n
, rr
->n_skip_labels_source
, &n
);
1334 int dns_resource_record_is_signer(DnsResourceRecord
*rr
, const char *zone
) {
1340 r
= dns_resource_record_signer(rr
, &signer
);
1344 return dns_name_equal(zone
, signer
);
1347 int dns_resource_record_is_synthetic(DnsResourceRecord
*rr
) {
1352 /* Returns > 0 if the RR is generated from a wildcard, and is not the asterisk name itself */
1354 if (rr
->n_skip_labels_source
== (unsigned) -1)
1357 if (rr
->n_skip_labels_source
== 0)
1360 if (rr
->n_skip_labels_source
> 1)
1363 r
= dns_name_startswith(dns_resource_key_name(rr
->key
), "*");
1370 void dns_resource_record_hash_func(const void *i
, struct siphash
*state
) {
1371 const DnsResourceRecord
*rr
= i
;
1375 dns_resource_key_hash_func(rr
->key
, state
);
1377 switch (rr
->unparseable
? _DNS_TYPE_INVALID
: rr
->key
->type
) {
1380 siphash24_compress(&rr
->srv
.priority
, sizeof(rr
->srv
.priority
), state
);
1381 siphash24_compress(&rr
->srv
.weight
, sizeof(rr
->srv
.weight
), state
);
1382 siphash24_compress(&rr
->srv
.port
, sizeof(rr
->srv
.port
), state
);
1383 dns_name_hash_func(rr
->srv
.name
, state
);
1388 case DNS_TYPE_CNAME
:
1389 case DNS_TYPE_DNAME
:
1390 dns_name_hash_func(rr
->ptr
.name
, state
);
1393 case DNS_TYPE_HINFO
:
1394 string_hash_func(rr
->hinfo
.cpu
, state
);
1395 string_hash_func(rr
->hinfo
.os
, state
);
1399 case DNS_TYPE_SPF
: {
1402 LIST_FOREACH(items
, j
, rr
->txt
.items
) {
1403 siphash24_compress(j
->data
, j
->length
, state
);
1405 /* Add an extra NUL byte, so that "a" followed by "b" doesn't result in the same hash as "ab"
1406 * followed by "". */
1407 siphash24_compress_byte(0, state
);
1413 siphash24_compress(&rr
->a
.in_addr
, sizeof(rr
->a
.in_addr
), state
);
1417 siphash24_compress(&rr
->aaaa
.in6_addr
, sizeof(rr
->aaaa
.in6_addr
), state
);
1421 dns_name_hash_func(rr
->soa
.mname
, state
);
1422 dns_name_hash_func(rr
->soa
.rname
, state
);
1423 siphash24_compress(&rr
->soa
.serial
, sizeof(rr
->soa
.serial
), state
);
1424 siphash24_compress(&rr
->soa
.refresh
, sizeof(rr
->soa
.refresh
), state
);
1425 siphash24_compress(&rr
->soa
.retry
, sizeof(rr
->soa
.retry
), state
);
1426 siphash24_compress(&rr
->soa
.expire
, sizeof(rr
->soa
.expire
), state
);
1427 siphash24_compress(&rr
->soa
.minimum
, sizeof(rr
->soa
.minimum
), state
);
1431 siphash24_compress(&rr
->mx
.priority
, sizeof(rr
->mx
.priority
), state
);
1432 dns_name_hash_func(rr
->mx
.exchange
, state
);
1436 siphash24_compress(&rr
->loc
.version
, sizeof(rr
->loc
.version
), state
);
1437 siphash24_compress(&rr
->loc
.size
, sizeof(rr
->loc
.size
), state
);
1438 siphash24_compress(&rr
->loc
.horiz_pre
, sizeof(rr
->loc
.horiz_pre
), state
);
1439 siphash24_compress(&rr
->loc
.vert_pre
, sizeof(rr
->loc
.vert_pre
), state
);
1440 siphash24_compress(&rr
->loc
.latitude
, sizeof(rr
->loc
.latitude
), state
);
1441 siphash24_compress(&rr
->loc
.longitude
, sizeof(rr
->loc
.longitude
), state
);
1442 siphash24_compress(&rr
->loc
.altitude
, sizeof(rr
->loc
.altitude
), state
);
1445 case DNS_TYPE_SSHFP
:
1446 siphash24_compress(&rr
->sshfp
.algorithm
, sizeof(rr
->sshfp
.algorithm
), state
);
1447 siphash24_compress(&rr
->sshfp
.fptype
, sizeof(rr
->sshfp
.fptype
), state
);
1448 siphash24_compress(rr
->sshfp
.fingerprint
, rr
->sshfp
.fingerprint_size
, state
);
1451 case DNS_TYPE_DNSKEY
:
1452 siphash24_compress(&rr
->dnskey
.flags
, sizeof(rr
->dnskey
.flags
), state
);
1453 siphash24_compress(&rr
->dnskey
.protocol
, sizeof(rr
->dnskey
.protocol
), state
);
1454 siphash24_compress(&rr
->dnskey
.algorithm
, sizeof(rr
->dnskey
.algorithm
), state
);
1455 siphash24_compress(rr
->dnskey
.key
, rr
->dnskey
.key_size
, state
);
1458 case DNS_TYPE_RRSIG
:
1459 siphash24_compress(&rr
->rrsig
.type_covered
, sizeof(rr
->rrsig
.type_covered
), state
);
1460 siphash24_compress(&rr
->rrsig
.algorithm
, sizeof(rr
->rrsig
.algorithm
), state
);
1461 siphash24_compress(&rr
->rrsig
.labels
, sizeof(rr
->rrsig
.labels
), state
);
1462 siphash24_compress(&rr
->rrsig
.original_ttl
, sizeof(rr
->rrsig
.original_ttl
), state
);
1463 siphash24_compress(&rr
->rrsig
.expiration
, sizeof(rr
->rrsig
.expiration
), state
);
1464 siphash24_compress(&rr
->rrsig
.inception
, sizeof(rr
->rrsig
.inception
), state
);
1465 siphash24_compress(&rr
->rrsig
.key_tag
, sizeof(rr
->rrsig
.key_tag
), state
);
1466 dns_name_hash_func(rr
->rrsig
.signer
, state
);
1467 siphash24_compress(rr
->rrsig
.signature
, rr
->rrsig
.signature_size
, state
);
1471 dns_name_hash_func(rr
->nsec
.next_domain_name
, state
);
1472 /* FIXME: we leave out the type bitmap here. Hash
1473 * would be better if we'd take it into account
1478 siphash24_compress(&rr
->ds
.key_tag
, sizeof(rr
->ds
.key_tag
), state
);
1479 siphash24_compress(&rr
->ds
.algorithm
, sizeof(rr
->ds
.algorithm
), state
);
1480 siphash24_compress(&rr
->ds
.digest_type
, sizeof(rr
->ds
.digest_type
), state
);
1481 siphash24_compress(rr
->ds
.digest
, rr
->ds
.digest_size
, state
);
1484 case DNS_TYPE_NSEC3
:
1485 siphash24_compress(&rr
->nsec3
.algorithm
, sizeof(rr
->nsec3
.algorithm
), state
);
1486 siphash24_compress(&rr
->nsec3
.flags
, sizeof(rr
->nsec3
.flags
), state
);
1487 siphash24_compress(&rr
->nsec3
.iterations
, sizeof(rr
->nsec3
.iterations
), state
);
1488 siphash24_compress(rr
->nsec3
.salt
, rr
->nsec3
.salt_size
, state
);
1489 siphash24_compress(rr
->nsec3
.next_hashed_name
, rr
->nsec3
.next_hashed_name_size
, state
);
1490 /* FIXME: We leave the bitmaps out */
1494 siphash24_compress(&rr
->tlsa
.cert_usage
, sizeof(rr
->tlsa
.cert_usage
), state
);
1495 siphash24_compress(&rr
->tlsa
.selector
, sizeof(rr
->tlsa
.selector
), state
);
1496 siphash24_compress(&rr
->tlsa
.matching_type
, sizeof(rr
->tlsa
.matching_type
), state
);
1497 siphash24_compress(rr
->tlsa
.data
, rr
->tlsa
.data_size
, state
);
1501 siphash24_compress(&rr
->caa
.flags
, sizeof(rr
->caa
.flags
), state
);
1502 string_hash_func(rr
->caa
.tag
, state
);
1503 siphash24_compress(rr
->caa
.value
, rr
->caa
.value_size
, state
);
1506 case DNS_TYPE_OPENPGPKEY
:
1508 siphash24_compress(rr
->generic
.data
, rr
->generic
.data_size
, state
);
1513 static int dns_resource_record_compare_func(const void *a
, const void *b
) {
1514 const DnsResourceRecord
*x
= a
, *y
= b
;
1517 ret
= dns_resource_key_compare_func(x
->key
, y
->key
);
1521 if (dns_resource_record_equal(x
, y
))
1524 /* This is a bit dirty, we don't implement proper ordering, but
1525 * the hashtable doesn't need ordering anyway, hence we don't
1527 return x
< y
? -1 : 1;
1530 const struct hash_ops dns_resource_record_hash_ops
= {
1531 .hash
= dns_resource_record_hash_func
,
1532 .compare
= dns_resource_record_compare_func
,
1535 DnsResourceRecord
*dns_resource_record_copy(DnsResourceRecord
*rr
) {
1536 _cleanup_(dns_resource_record_unrefp
) DnsResourceRecord
*copy
= NULL
;
1537 DnsResourceRecord
*t
;
1541 copy
= dns_resource_record_new(rr
->key
);
1545 copy
->ttl
= rr
->ttl
;
1546 copy
->expiry
= rr
->expiry
;
1547 copy
->n_skip_labels_signer
= rr
->n_skip_labels_signer
;
1548 copy
->n_skip_labels_source
= rr
->n_skip_labels_source
;
1549 copy
->unparseable
= rr
->unparseable
;
1551 switch (rr
->unparseable
? _DNS_TYPE_INVALID
: rr
->key
->type
) {
1554 copy
->srv
.priority
= rr
->srv
.priority
;
1555 copy
->srv
.weight
= rr
->srv
.weight
;
1556 copy
->srv
.port
= rr
->srv
.port
;
1557 copy
->srv
.name
= strdup(rr
->srv
.name
);
1558 if (!copy
->srv
.name
)
1564 case DNS_TYPE_CNAME
:
1565 case DNS_TYPE_DNAME
:
1566 copy
->ptr
.name
= strdup(rr
->ptr
.name
);
1567 if (!copy
->ptr
.name
)
1571 case DNS_TYPE_HINFO
:
1572 copy
->hinfo
.cpu
= strdup(rr
->hinfo
.cpu
);
1573 if (!copy
->hinfo
.cpu
)
1576 copy
->hinfo
.os
= strdup(rr
->hinfo
.os
);
1583 copy
->txt
.items
= dns_txt_item_copy(rr
->txt
.items
);
1584 if (!copy
->txt
.items
)
1593 copy
->aaaa
= rr
->aaaa
;
1597 copy
->soa
.mname
= strdup(rr
->soa
.mname
);
1598 if (!copy
->soa
.mname
)
1600 copy
->soa
.rname
= strdup(rr
->soa
.rname
);
1601 if (!copy
->soa
.rname
)
1603 copy
->soa
.serial
= rr
->soa
.serial
;
1604 copy
->soa
.refresh
= rr
->soa
.refresh
;
1605 copy
->soa
.retry
= rr
->soa
.retry
;
1606 copy
->soa
.expire
= rr
->soa
.expire
;
1607 copy
->soa
.minimum
= rr
->soa
.minimum
;
1611 copy
->mx
.priority
= rr
->mx
.priority
;
1612 copy
->mx
.exchange
= strdup(rr
->mx
.exchange
);
1613 if (!copy
->mx
.exchange
)
1618 copy
->loc
= rr
->loc
;
1621 case DNS_TYPE_SSHFP
:
1622 copy
->sshfp
.algorithm
= rr
->sshfp
.algorithm
;
1623 copy
->sshfp
.fptype
= rr
->sshfp
.fptype
;
1624 copy
->sshfp
.fingerprint
= memdup(rr
->sshfp
.fingerprint
, rr
->sshfp
.fingerprint_size
);
1625 if (!copy
->sshfp
.fingerprint
)
1627 copy
->sshfp
.fingerprint_size
= rr
->sshfp
.fingerprint_size
;
1630 case DNS_TYPE_DNSKEY
:
1631 copy
->dnskey
.flags
= rr
->dnskey
.flags
;
1632 copy
->dnskey
.protocol
= rr
->dnskey
.protocol
;
1633 copy
->dnskey
.algorithm
= rr
->dnskey
.algorithm
;
1634 copy
->dnskey
.key
= memdup(rr
->dnskey
.key
, rr
->dnskey
.key_size
);
1635 if (!copy
->dnskey
.key
)
1637 copy
->dnskey
.key_size
= rr
->dnskey
.key_size
;
1640 case DNS_TYPE_RRSIG
:
1641 copy
->rrsig
.type_covered
= rr
->rrsig
.type_covered
;
1642 copy
->rrsig
.algorithm
= rr
->rrsig
.algorithm
;
1643 copy
->rrsig
.labels
= rr
->rrsig
.labels
;
1644 copy
->rrsig
.original_ttl
= rr
->rrsig
.original_ttl
;
1645 copy
->rrsig
.expiration
= rr
->rrsig
.expiration
;
1646 copy
->rrsig
.inception
= rr
->rrsig
.inception
;
1647 copy
->rrsig
.key_tag
= rr
->rrsig
.key_tag
;
1648 copy
->rrsig
.signer
= strdup(rr
->rrsig
.signer
);
1649 if (!copy
->rrsig
.signer
)
1651 copy
->rrsig
.signature
= memdup(rr
->rrsig
.signature
, rr
->rrsig
.signature_size
);
1652 if (!copy
->rrsig
.signature
)
1654 copy
->rrsig
.signature_size
= rr
->rrsig
.signature_size
;
1658 copy
->nsec
.next_domain_name
= strdup(rr
->nsec
.next_domain_name
);
1659 if (!copy
->nsec
.next_domain_name
)
1661 copy
->nsec
.types
= bitmap_copy(rr
->nsec
.types
);
1662 if (!copy
->nsec
.types
)
1667 copy
->ds
.key_tag
= rr
->ds
.key_tag
;
1668 copy
->ds
.algorithm
= rr
->ds
.algorithm
;
1669 copy
->ds
.digest_type
= rr
->ds
.digest_type
;
1670 copy
->ds
.digest
= memdup(rr
->ds
.digest
, rr
->ds
.digest_size
);
1671 if (!copy
->ds
.digest
)
1673 copy
->ds
.digest_size
= rr
->ds
.digest_size
;
1676 case DNS_TYPE_NSEC3
:
1677 copy
->nsec3
.algorithm
= rr
->nsec3
.algorithm
;
1678 copy
->nsec3
.flags
= rr
->nsec3
.flags
;
1679 copy
->nsec3
.iterations
= rr
->nsec3
.iterations
;
1680 copy
->nsec3
.salt
= memdup(rr
->nsec3
.salt
, rr
->nsec3
.salt_size
);
1681 if (!copy
->nsec3
.salt
)
1683 copy
->nsec3
.salt_size
= rr
->nsec3
.salt_size
;
1684 copy
->nsec3
.next_hashed_name
= memdup(rr
->nsec3
.next_hashed_name
, rr
->nsec3
.next_hashed_name_size
);
1685 if (!copy
->nsec3
.next_hashed_name_size
)
1687 copy
->nsec3
.next_hashed_name_size
= rr
->nsec3
.next_hashed_name_size
;
1688 copy
->nsec3
.types
= bitmap_copy(rr
->nsec3
.types
);
1689 if (!copy
->nsec3
.types
)
1694 copy
->tlsa
.cert_usage
= rr
->tlsa
.cert_usage
;
1695 copy
->tlsa
.selector
= rr
->tlsa
.selector
;
1696 copy
->tlsa
.matching_type
= rr
->tlsa
.matching_type
;
1697 copy
->tlsa
.data
= memdup(rr
->tlsa
.data
, rr
->tlsa
.data_size
);
1698 if (!copy
->tlsa
.data
)
1700 copy
->tlsa
.data_size
= rr
->tlsa
.data_size
;
1704 copy
->caa
.flags
= rr
->caa
.flags
;
1705 copy
->caa
.tag
= strdup(rr
->caa
.tag
);
1708 copy
->caa
.value
= memdup(rr
->caa
.value
, rr
->caa
.value_size
);
1709 if (!copy
->caa
.value
)
1711 copy
->caa
.value_size
= rr
->caa
.value_size
;
1716 copy
->generic
.data
= memdup(rr
->generic
.data
, rr
->generic
.data_size
);
1717 if (!copy
->generic
.data
)
1719 copy
->generic
.data_size
= rr
->generic
.data_size
;
1729 int dns_resource_record_clamp_ttl(DnsResourceRecord
**rr
, uint32_t max_ttl
) {
1730 DnsResourceRecord
*old_rr
, *new_rr
;
1736 if (old_rr
->key
->type
== DNS_TYPE_OPT
)
1739 new_ttl
= MIN(old_rr
->ttl
, max_ttl
);
1740 if (new_ttl
== old_rr
->ttl
)
1743 if (old_rr
->n_ref
== 1) {
1744 /* Patch in place */
1745 old_rr
->ttl
= new_ttl
;
1749 new_rr
= dns_resource_record_copy(old_rr
);
1753 new_rr
->ttl
= new_ttl
;
1755 dns_resource_record_unref(*rr
);
1761 DnsTxtItem
*dns_txt_item_free_all(DnsTxtItem
*i
) {
1770 return dns_txt_item_free_all(n
);
1773 bool dns_txt_item_equal(DnsTxtItem
*a
, DnsTxtItem
*b
) {
1784 if (a
->length
!= b
->length
)
1787 if (memcmp(a
->data
, b
->data
, a
->length
) != 0)
1790 return dns_txt_item_equal(a
->items_next
, b
->items_next
);
1793 DnsTxtItem
*dns_txt_item_copy(DnsTxtItem
*first
) {
1794 DnsTxtItem
*i
, *copy
= NULL
, *end
= NULL
;
1796 LIST_FOREACH(items
, i
, first
) {
1799 j
= memdup(i
, offsetof(DnsTxtItem
, data
) + i
->length
+ 1);
1801 dns_txt_item_free_all(copy
);
1805 LIST_INSERT_AFTER(items
, copy
, end
, j
);
1812 static const char* const dnssec_algorithm_table
[_DNSSEC_ALGORITHM_MAX_DEFINED
] = {
1813 /* Mnemonics as listed on https://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml */
1814 [DNSSEC_ALGORITHM_RSAMD5
] = "RSAMD5",
1815 [DNSSEC_ALGORITHM_DH
] = "DH",
1816 [DNSSEC_ALGORITHM_DSA
] = "DSA",
1817 [DNSSEC_ALGORITHM_ECC
] = "ECC",
1818 [DNSSEC_ALGORITHM_RSASHA1
] = "RSASHA1",
1819 [DNSSEC_ALGORITHM_DSA_NSEC3_SHA1
] = "DSA-NSEC3-SHA1",
1820 [DNSSEC_ALGORITHM_RSASHA1_NSEC3_SHA1
] = "RSASHA1-NSEC3-SHA1",
1821 [DNSSEC_ALGORITHM_RSASHA256
] = "RSASHA256",
1822 [DNSSEC_ALGORITHM_RSASHA512
] = "RSASHA512",
1823 [DNSSEC_ALGORITHM_ECC_GOST
] = "ECC-GOST",
1824 [DNSSEC_ALGORITHM_ECDSAP256SHA256
] = "ECDSAP256SHA256",
1825 [DNSSEC_ALGORITHM_ECDSAP384SHA384
] = "ECDSAP384SHA384",
1826 [DNSSEC_ALGORITHM_INDIRECT
] = "INDIRECT",
1827 [DNSSEC_ALGORITHM_PRIVATEDNS
] = "PRIVATEDNS",
1828 [DNSSEC_ALGORITHM_PRIVATEOID
] = "PRIVATEOID",
1830 DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(dnssec_algorithm
, int, 255);
1832 static const char* const dnssec_digest_table
[_DNSSEC_DIGEST_MAX_DEFINED
] = {
1833 /* Names as listed on https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml */
1834 [DNSSEC_DIGEST_SHA1
] = "SHA-1",
1835 [DNSSEC_DIGEST_SHA256
] = "SHA-256",
1836 [DNSSEC_DIGEST_GOST_R_34_11_94
] = "GOST_R_34.11-94",
1837 [DNSSEC_DIGEST_SHA384
] = "SHA-384",
1839 DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(dnssec_digest
, int, 255);