1 /* SPDX-License-Identifier: LGPL-2.1+ */
3 Copyright 2014 Lennart Poettering
8 #include "alloc-util.h"
9 #include "dns-domain.h"
12 #include "hexdecoct.h"
13 #include "resolved-dns-dnssec.h"
14 #include "resolved-dns-packet.h"
15 #include "resolved-dns-rr.h"
16 #include "string-table.h"
17 #include "string-util.h"
19 #include "terminal-util.h"
21 DnsResourceKey
* dns_resource_key_new(uint16_t class, uint16_t type
, const char *name
) {
28 k
= malloc0(sizeof(DnsResourceKey
) + l
+ 1);
36 strcpy((char*) k
+ sizeof(DnsResourceKey
), name
);
41 DnsResourceKey
* dns_resource_key_new_redirect(const DnsResourceKey
*key
, const DnsResourceRecord
*cname
) {
47 assert(IN_SET(cname
->key
->type
, DNS_TYPE_CNAME
, DNS_TYPE_DNAME
));
49 if (cname
->key
->type
== DNS_TYPE_CNAME
)
50 return dns_resource_key_new(key
->class, key
->type
, cname
->cname
.name
);
53 char *destination
= NULL
;
55 r
= dns_name_change_suffix(dns_resource_key_name(key
), dns_resource_key_name(cname
->key
), cname
->dname
.name
, &destination
);
59 return dns_resource_key_ref((DnsResourceKey
*) key
);
61 k
= dns_resource_key_new_consume(key
->class, key
->type
, destination
);
63 return mfree(destination
);
69 int dns_resource_key_new_append_suffix(DnsResourceKey
**ret
, DnsResourceKey
*key
, char *name
) {
70 DnsResourceKey
*new_key
;
78 if (dns_name_is_root(name
)) {
79 *ret
= dns_resource_key_ref(key
);
83 r
= dns_name_concat(dns_resource_key_name(key
), name
, &joined
);
87 new_key
= dns_resource_key_new_consume(key
->class, key
->type
, joined
);
97 DnsResourceKey
* dns_resource_key_new_consume(uint16_t class, uint16_t type
, char *name
) {
102 k
= new0(DnsResourceKey
, 1);
114 DnsResourceKey
* dns_resource_key_ref(DnsResourceKey
*k
) {
119 /* Static/const keys created with DNS_RESOURCE_KEY_CONST will
120 * set this to -1, they should not be reffed/unreffed */
121 assert(k
->n_ref
!= (unsigned) -1);
123 assert(k
->n_ref
> 0);
129 DnsResourceKey
* dns_resource_key_unref(DnsResourceKey
*k
) {
133 assert(k
->n_ref
!= (unsigned) -1);
134 assert(k
->n_ref
> 0);
145 const char* dns_resource_key_name(const DnsResourceKey
*key
) {
154 name
= (char*) key
+ sizeof(DnsResourceKey
);
156 if (dns_name_is_root(name
))
162 bool dns_resource_key_is_address(const DnsResourceKey
*key
) {
165 /* Check if this is an A or AAAA resource key */
167 return key
->class == DNS_CLASS_IN
&& IN_SET(key
->type
, DNS_TYPE_A
, DNS_TYPE_AAAA
);
170 bool dns_resource_key_is_dnssd_ptr(const DnsResourceKey
*key
) {
173 /* Check if this is a PTR resource key used in
174 Service Instance Enumeration as described in RFC6763 p4.1. */
176 if (key
->type
!= DNS_TYPE_PTR
)
179 return dns_name_endswith(dns_resource_key_name(key
), "_tcp.local") ||
180 dns_name_endswith(dns_resource_key_name(key
), "_udp.local");
183 int dns_resource_key_equal(const DnsResourceKey
*a
, const DnsResourceKey
*b
) {
189 r
= dns_name_equal(dns_resource_key_name(a
), dns_resource_key_name(b
));
193 if (a
->class != b
->class)
196 if (a
->type
!= b
->type
)
202 int dns_resource_key_match_rr(const DnsResourceKey
*key
, DnsResourceRecord
*rr
, const char *search_domain
) {
211 /* Checks if an rr matches the specified key. If a search
212 * domain is specified, it will also be checked if the key
213 * with the search domain suffixed might match the RR. */
215 if (rr
->key
->class != key
->class && key
->class != DNS_CLASS_ANY
)
218 if (rr
->key
->type
!= key
->type
&& key
->type
!= DNS_TYPE_ANY
)
221 r
= dns_name_equal(dns_resource_key_name(rr
->key
), dns_resource_key_name(key
));
226 _cleanup_free_
char *joined
= NULL
;
228 r
= dns_name_concat(dns_resource_key_name(key
), search_domain
, &joined
);
232 return dns_name_equal(dns_resource_key_name(rr
->key
), joined
);
238 int dns_resource_key_match_cname_or_dname(const DnsResourceKey
*key
, const DnsResourceKey
*cname
, const char *search_domain
) {
244 if (cname
->class != key
->class && key
->class != DNS_CLASS_ANY
)
247 if (cname
->type
== DNS_TYPE_CNAME
)
248 r
= dns_name_equal(dns_resource_key_name(key
), dns_resource_key_name(cname
));
249 else if (cname
->type
== DNS_TYPE_DNAME
)
250 r
= dns_name_endswith(dns_resource_key_name(key
), dns_resource_key_name(cname
));
258 _cleanup_free_
char *joined
= NULL
;
260 r
= dns_name_concat(dns_resource_key_name(key
), search_domain
, &joined
);
264 if (cname
->type
== DNS_TYPE_CNAME
)
265 return dns_name_equal(joined
, dns_resource_key_name(cname
));
266 else if (cname
->type
== DNS_TYPE_DNAME
)
267 return dns_name_endswith(joined
, dns_resource_key_name(cname
));
273 int dns_resource_key_match_soa(const DnsResourceKey
*key
, const DnsResourceKey
*soa
) {
277 /* Checks whether 'soa' is a SOA record for the specified key. */
279 if (soa
->class != key
->class)
282 if (soa
->type
!= DNS_TYPE_SOA
)
285 return dns_name_endswith(dns_resource_key_name(key
), dns_resource_key_name(soa
));
288 static void dns_resource_key_hash_func(const void *i
, struct siphash
*state
) {
289 const DnsResourceKey
*k
= i
;
293 dns_name_hash_func(dns_resource_key_name(k
), state
);
294 siphash24_compress(&k
->class, sizeof(k
->class), state
);
295 siphash24_compress(&k
->type
, sizeof(k
->type
), state
);
298 static int dns_resource_key_compare_func(const void *a
, const void *b
) {
299 const DnsResourceKey
*x
= a
, *y
= b
;
302 ret
= dns_name_compare_func(dns_resource_key_name(x
), dns_resource_key_name(y
));
306 if (x
->type
< y
->type
)
308 if (x
->type
> y
->type
)
311 if (x
->class < y
->class)
313 if (x
->class > y
->class)
319 const struct hash_ops dns_resource_key_hash_ops
= {
320 .hash
= dns_resource_key_hash_func
,
321 .compare
= dns_resource_key_compare_func
324 char* dns_resource_key_to_string(const DnsResourceKey
*key
, char *buf
, size_t buf_size
) {
328 /* If we cannot convert the CLASS/TYPE into a known string,
329 use the format recommended by RFC 3597, Section 5. */
331 c
= dns_class_to_string(key
->class);
332 t
= dns_type_to_string(key
->type
);
334 snprintf(buf
, buf_size
, "%s %s%s%.0u %s%s%.0u",
335 dns_resource_key_name(key
),
336 strempty(c
), c
? "" : "CLASS", c
? 0 : key
->class,
337 strempty(t
), t
? "" : "TYPE", t
? 0 : key
->class);
342 bool dns_resource_key_reduce(DnsResourceKey
**a
, DnsResourceKey
**b
) {
346 /* Try to replace one RR key by another if they are identical, thus saving a bit of memory. Note that we do
347 * this only for RR keys, not for RRs themselves, as they carry a lot of additional metadata (where they come
348 * from, validity data, and suchlike), and cannot be replaced so easily by other RRs that have the same
349 * superficial data. */
356 /* We refuse merging const keys */
357 if ((*a
)->n_ref
== (unsigned) -1)
359 if ((*b
)->n_ref
== (unsigned) -1)
362 /* Already the same? */
366 /* Are they really identical? */
367 if (dns_resource_key_equal(*a
, *b
) <= 0)
370 /* Keep the one which already has more references. */
371 if ((*a
)->n_ref
> (*b
)->n_ref
) {
372 dns_resource_key_unref(*b
);
373 *b
= dns_resource_key_ref(*a
);
375 dns_resource_key_unref(*a
);
376 *a
= dns_resource_key_ref(*b
);
382 DnsResourceRecord
* dns_resource_record_new(DnsResourceKey
*key
) {
383 DnsResourceRecord
*rr
;
385 rr
= new0(DnsResourceRecord
, 1);
390 rr
->key
= dns_resource_key_ref(key
);
391 rr
->expiry
= USEC_INFINITY
;
392 rr
->n_skip_labels_signer
= rr
->n_skip_labels_source
= (unsigned) -1;
397 DnsResourceRecord
* dns_resource_record_new_full(uint16_t class, uint16_t type
, const char *name
) {
398 _cleanup_(dns_resource_key_unrefp
) DnsResourceKey
*key
= NULL
;
400 key
= dns_resource_key_new(class, type
, name
);
404 return dns_resource_record_new(key
);
407 DnsResourceRecord
* dns_resource_record_ref(DnsResourceRecord
*rr
) {
411 assert(rr
->n_ref
> 0);
417 DnsResourceRecord
* dns_resource_record_unref(DnsResourceRecord
*rr
) {
421 assert(rr
->n_ref
> 0);
429 switch(rr
->key
->type
) {
449 dns_txt_item_free_all(rr
->txt
.items
);
458 free(rr
->mx
.exchange
);
466 free(rr
->sshfp
.fingerprint
);
469 case DNS_TYPE_DNSKEY
:
470 free(rr
->dnskey
.key
);
474 free(rr
->rrsig
.signer
);
475 free(rr
->rrsig
.signature
);
479 free(rr
->nsec
.next_domain_name
);
480 bitmap_free(rr
->nsec
.types
);
484 free(rr
->nsec3
.next_hashed_name
);
485 free(rr
->nsec3
.salt
);
486 bitmap_free(rr
->nsec3
.types
);
503 case DNS_TYPE_OPENPGPKEY
:
505 if (!rr
->unparseable
)
506 free(rr
->generic
.data
);
510 free(rr
->generic
.data
);
512 free(rr
->wire_format
);
513 dns_resource_key_unref(rr
->key
);
520 int dns_resource_record_new_reverse(DnsResourceRecord
**ret
, int family
, const union in_addr_union
*address
, const char *hostname
) {
521 _cleanup_(dns_resource_key_unrefp
) DnsResourceKey
*key
= NULL
;
522 _cleanup_(dns_resource_record_unrefp
) DnsResourceRecord
*rr
= NULL
;
523 _cleanup_free_
char *ptr
= NULL
;
530 r
= dns_name_reverse(family
, address
, &ptr
);
534 key
= dns_resource_key_new_consume(DNS_CLASS_IN
, DNS_TYPE_PTR
, ptr
);
540 rr
= dns_resource_record_new(key
);
544 rr
->ptr
.name
= strdup(hostname
);
553 int dns_resource_record_new_address(DnsResourceRecord
**ret
, int family
, const union in_addr_union
*address
, const char *name
) {
554 DnsResourceRecord
*rr
;
560 if (family
== AF_INET
) {
562 rr
= dns_resource_record_new_full(DNS_CLASS_IN
, DNS_TYPE_A
, name
);
566 rr
->a
.in_addr
= address
->in
;
568 } else if (family
== AF_INET6
) {
570 rr
= dns_resource_record_new_full(DNS_CLASS_IN
, DNS_TYPE_AAAA
, name
);
574 rr
->aaaa
.in6_addr
= address
->in6
;
576 return -EAFNOSUPPORT
;
583 #define FIELD_EQUAL(a, b, field) \
584 ((a).field ## _size == (b).field ## _size && \
585 memcmp((a).field, (b).field, (a).field ## _size) == 0)
587 int dns_resource_record_equal(const DnsResourceRecord
*a
, const DnsResourceRecord
*b
) {
596 r
= dns_resource_key_equal(a
->key
, b
->key
);
600 if (a
->unparseable
!= b
->unparseable
)
603 switch (a
->unparseable
? _DNS_TYPE_INVALID
: a
->key
->type
) {
606 r
= dns_name_equal(a
->srv
.name
, b
->srv
.name
);
610 return a
->srv
.priority
== b
->srv
.priority
&&
611 a
->srv
.weight
== b
->srv
.weight
&&
612 a
->srv
.port
== b
->srv
.port
;
618 return dns_name_equal(a
->ptr
.name
, b
->ptr
.name
);
621 return strcaseeq(a
->hinfo
.cpu
, b
->hinfo
.cpu
) &&
622 strcaseeq(a
->hinfo
.os
, b
->hinfo
.os
);
624 case DNS_TYPE_SPF
: /* exactly the same as TXT */
626 return dns_txt_item_equal(a
->txt
.items
, b
->txt
.items
);
629 return memcmp(&a
->a
.in_addr
, &b
->a
.in_addr
, sizeof(struct in_addr
)) == 0;
632 return memcmp(&a
->aaaa
.in6_addr
, &b
->aaaa
.in6_addr
, sizeof(struct in6_addr
)) == 0;
635 r
= dns_name_equal(a
->soa
.mname
, b
->soa
.mname
);
638 r
= dns_name_equal(a
->soa
.rname
, b
->soa
.rname
);
642 return a
->soa
.serial
== b
->soa
.serial
&&
643 a
->soa
.refresh
== b
->soa
.refresh
&&
644 a
->soa
.retry
== b
->soa
.retry
&&
645 a
->soa
.expire
== b
->soa
.expire
&&
646 a
->soa
.minimum
== b
->soa
.minimum
;
649 if (a
->mx
.priority
!= b
->mx
.priority
)
652 return dns_name_equal(a
->mx
.exchange
, b
->mx
.exchange
);
655 assert(a
->loc
.version
== b
->loc
.version
);
657 return a
->loc
.size
== b
->loc
.size
&&
658 a
->loc
.horiz_pre
== b
->loc
.horiz_pre
&&
659 a
->loc
.vert_pre
== b
->loc
.vert_pre
&&
660 a
->loc
.latitude
== b
->loc
.latitude
&&
661 a
->loc
.longitude
== b
->loc
.longitude
&&
662 a
->loc
.altitude
== b
->loc
.altitude
;
665 return a
->ds
.key_tag
== b
->ds
.key_tag
&&
666 a
->ds
.algorithm
== b
->ds
.algorithm
&&
667 a
->ds
.digest_type
== b
->ds
.digest_type
&&
668 FIELD_EQUAL(a
->ds
, b
->ds
, digest
);
671 return a
->sshfp
.algorithm
== b
->sshfp
.algorithm
&&
672 a
->sshfp
.fptype
== b
->sshfp
.fptype
&&
673 FIELD_EQUAL(a
->sshfp
, b
->sshfp
, fingerprint
);
675 case DNS_TYPE_DNSKEY
:
676 return a
->dnskey
.flags
== b
->dnskey
.flags
&&
677 a
->dnskey
.protocol
== b
->dnskey
.protocol
&&
678 a
->dnskey
.algorithm
== b
->dnskey
.algorithm
&&
679 FIELD_EQUAL(a
->dnskey
, b
->dnskey
, key
);
682 /* do the fast comparisons first */
683 return a
->rrsig
.type_covered
== b
->rrsig
.type_covered
&&
684 a
->rrsig
.algorithm
== b
->rrsig
.algorithm
&&
685 a
->rrsig
.labels
== b
->rrsig
.labels
&&
686 a
->rrsig
.original_ttl
== b
->rrsig
.original_ttl
&&
687 a
->rrsig
.expiration
== b
->rrsig
.expiration
&&
688 a
->rrsig
.inception
== b
->rrsig
.inception
&&
689 a
->rrsig
.key_tag
== b
->rrsig
.key_tag
&&
690 FIELD_EQUAL(a
->rrsig
, b
->rrsig
, signature
) &&
691 dns_name_equal(a
->rrsig
.signer
, b
->rrsig
.signer
);
694 return dns_name_equal(a
->nsec
.next_domain_name
, b
->nsec
.next_domain_name
) &&
695 bitmap_equal(a
->nsec
.types
, b
->nsec
.types
);
698 return a
->nsec3
.algorithm
== b
->nsec3
.algorithm
&&
699 a
->nsec3
.flags
== b
->nsec3
.flags
&&
700 a
->nsec3
.iterations
== b
->nsec3
.iterations
&&
701 FIELD_EQUAL(a
->nsec3
, b
->nsec3
, salt
) &&
702 FIELD_EQUAL(a
->nsec3
, b
->nsec3
, next_hashed_name
) &&
703 bitmap_equal(a
->nsec3
.types
, b
->nsec3
.types
);
706 return a
->tlsa
.cert_usage
== b
->tlsa
.cert_usage
&&
707 a
->tlsa
.selector
== b
->tlsa
.selector
&&
708 a
->tlsa
.matching_type
== b
->tlsa
.matching_type
&&
709 FIELD_EQUAL(a
->tlsa
, b
->tlsa
, data
);
712 return a
->caa
.flags
== b
->caa
.flags
&&
713 streq(a
->caa
.tag
, b
->caa
.tag
) &&
714 FIELD_EQUAL(a
->caa
, b
->caa
, value
);
716 case DNS_TYPE_OPENPGPKEY
:
718 return FIELD_EQUAL(a
->generic
, b
->generic
, data
);
722 static char* format_location(uint32_t latitude
, uint32_t longitude
, uint32_t altitude
,
723 uint8_t size
, uint8_t horiz_pre
, uint8_t vert_pre
) {
725 char NS
= latitude
>= 1U<<31 ? 'N' : 'S';
726 char EW
= longitude
>= 1U<<31 ? 'E' : 'W';
728 int lat
= latitude
>= 1U<<31 ? (int) (latitude
- (1U<<31)) : (int) ((1U<<31) - latitude
);
729 int lon
= longitude
>= 1U<<31 ? (int) (longitude
- (1U<<31)) : (int) ((1U<<31) - longitude
);
730 double alt
= altitude
>= 10000000u ? altitude
- 10000000u : -(double)(10000000u - altitude
);
731 double siz
= (size
>> 4) * exp10((double) (size
& 0xF));
732 double hor
= (horiz_pre
>> 4) * exp10((double) (horiz_pre
& 0xF));
733 double ver
= (vert_pre
>> 4) * exp10((double) (vert_pre
& 0xF));
735 if (asprintf(&s
, "%d %d %.3f %c %d %d %.3f %c %.2fm %.2fm %.2fm %.2fm",
738 (lat
% 60000) / 1000.,
742 (lon
% 60000) / 1000.,
753 static int format_timestamp_dns(char *buf
, size_t l
, time_t sec
) {
757 assert(l
> STRLEN("YYYYMMDDHHmmSS"));
759 if (!gmtime_r(&sec
, &tm
))
762 if (strftime(buf
, l
, "%Y%m%d%H%M%S", &tm
) <= 0)
768 static char *format_types(Bitmap
*types
) {
769 _cleanup_strv_free_
char **strv
= NULL
;
770 _cleanup_free_
char *str
= NULL
;
775 BITMAP_FOREACH(type
, types
, i
) {
776 if (dns_type_to_string(type
)) {
777 r
= strv_extend(&strv
, dns_type_to_string(type
));
783 r
= asprintf(&t
, "TYPE%u", type
);
787 r
= strv_consume(&strv
, t
);
793 str
= strv_join(strv
, " ");
797 return strjoin("( ", str
, " )");
800 static char *format_txt(DnsTxtItem
*first
) {
805 LIST_FOREACH(items
, i
, first
)
806 c
+= i
->length
* 4 + 3;
808 p
= s
= new(char, c
);
812 LIST_FOREACH(items
, i
, first
) {
820 for (j
= 0; j
< i
->length
; j
++) {
821 if (i
->data
[j
] < ' ' || i
->data
[j
] == '"' || i
->data
[j
] >= 127) {
823 *(p
++) = '0' + (i
->data
[j
] / 100);
824 *(p
++) = '0' + ((i
->data
[j
] / 10) % 10);
825 *(p
++) = '0' + (i
->data
[j
] % 10);
837 const char *dns_resource_record_to_string(DnsResourceRecord
*rr
) {
838 _cleanup_free_
char *t
= NULL
;
839 char *s
, k
[DNS_RESOURCE_KEY_STRING_MAX
];
845 return rr
->to_string
;
847 dns_resource_key_to_string(rr
->key
, k
, sizeof(k
));
849 switch (rr
->unparseable
? _DNS_TYPE_INVALID
: rr
->key
->type
) {
852 r
= asprintf(&s
, "%s %u %u %u %s",
857 strna(rr
->srv
.name
));
866 s
= strjoin(k
, " ", rr
->ptr
.name
);
873 s
= strjoin(k
, " ", rr
->hinfo
.cpu
, " ", rr
->hinfo
.os
);
878 case DNS_TYPE_SPF
: /* exactly the same as TXT */
880 t
= format_txt(rr
->txt
.items
);
884 s
= strjoin(k
, " ", t
);
890 _cleanup_free_
char *x
= NULL
;
892 r
= in_addr_to_string(AF_INET
, (const union in_addr_union
*) &rr
->a
.in_addr
, &x
);
896 s
= strjoin(k
, " ", x
);
903 r
= in_addr_to_string(AF_INET6
, (const union in_addr_union
*) &rr
->aaaa
.in6_addr
, &t
);
907 s
= strjoin(k
, " ", t
);
913 r
= asprintf(&s
, "%s %s %s %u %u %u %u %u",
915 strna(rr
->soa
.mname
),
916 strna(rr
->soa
.rname
),
927 r
= asprintf(&s
, "%s %u %s",
936 assert(rr
->loc
.version
== 0);
938 t
= format_location(rr
->loc
.latitude
,
947 s
= strjoin(k
, " ", t
);
953 t
= hexmem(rr
->ds
.digest
, rr
->ds
.digest_size
);
957 r
= asprintf(&s
, "%s %u %u %u %s",
968 t
= hexmem(rr
->sshfp
.fingerprint
, rr
->sshfp
.fingerprint_size
);
972 r
= asprintf(&s
, "%s %u %u %s",
981 case DNS_TYPE_DNSKEY
: {
982 _cleanup_free_
char *alg
= NULL
;
987 key_tag
= dnssec_keytag(rr
, true);
989 r
= dnssec_algorithm_to_string_alloc(rr
->dnskey
.algorithm
, &alg
);
993 r
= asprintf(&s
, "%s %u %u %s %n",
1002 r
= base64_append(&s
, n
,
1003 rr
->dnskey
.key
, rr
->dnskey
.key_size
,
1008 r
= asprintf(&ss
, "%s\n"
1009 " -- Flags:%s%s%s\n"
1012 rr
->dnskey
.flags
& DNSKEY_FLAG_SEP
? " SEP" : "",
1013 rr
->dnskey
.flags
& DNSKEY_FLAG_REVOKE
? " REVOKE" : "",
1014 rr
->dnskey
.flags
& DNSKEY_FLAG_ZONE_KEY
? " ZONE_KEY" : "",
1024 case DNS_TYPE_RRSIG
: {
1025 _cleanup_free_
char *alg
= NULL
;
1026 char expiration
[STRLEN("YYYYMMDDHHmmSS") + 1], inception
[STRLEN("YYYYMMDDHHmmSS") + 1];
1030 type
= dns_type_to_string(rr
->rrsig
.type_covered
);
1032 r
= dnssec_algorithm_to_string_alloc(rr
->rrsig
.algorithm
, &alg
);
1036 r
= format_timestamp_dns(expiration
, sizeof(expiration
), rr
->rrsig
.expiration
);
1040 r
= format_timestamp_dns(inception
, sizeof(inception
), rr
->rrsig
.inception
);
1045 * http://tools.ietf.org/html/rfc3597#section-5 */
1047 r
= asprintf(&s
, "%s %s%.*u %s %u %u %s %s %u %s %n",
1050 type
? 0 : 1, type
? 0u : (unsigned) rr
->rrsig
.type_covered
,
1053 rr
->rrsig
.original_ttl
,
1062 r
= base64_append(&s
, n
,
1063 rr
->rrsig
.signature
, rr
->rrsig
.signature_size
,
1072 t
= format_types(rr
->nsec
.types
);
1076 r
= asprintf(&s
, "%s %s %s",
1078 rr
->nsec
.next_domain_name
,
1084 case DNS_TYPE_NSEC3
: {
1085 _cleanup_free_
char *salt
= NULL
, *hash
= NULL
;
1087 if (rr
->nsec3
.salt_size
> 0) {
1088 salt
= hexmem(rr
->nsec3
.salt
, rr
->nsec3
.salt_size
);
1093 hash
= base32hexmem(rr
->nsec3
.next_hashed_name
, rr
->nsec3
.next_hashed_name_size
, false);
1097 t
= format_types(rr
->nsec3
.types
);
1101 r
= asprintf(&s
, "%s %"PRIu8
" %"PRIu8
" %"PRIu16
" %s %s %s",
1103 rr
->nsec3
.algorithm
,
1105 rr
->nsec3
.iterations
,
1106 rr
->nsec3
.salt_size
> 0 ? salt
: "-",
1115 case DNS_TYPE_TLSA
: {
1116 const char *cert_usage
, *selector
, *matching_type
;
1118 cert_usage
= tlsa_cert_usage_to_string(rr
->tlsa
.cert_usage
);
1119 selector
= tlsa_selector_to_string(rr
->tlsa
.selector
);
1120 matching_type
= tlsa_matching_type_to_string(rr
->tlsa
.matching_type
);
1122 t
= hexmem(rr
->sshfp
.fingerprint
, rr
->sshfp
.fingerprint_size
);
1128 " -- Cert. usage: %s\n"
1129 " -- Selector: %s\n"
1130 " -- Matching type: %s",
1132 rr
->tlsa
.cert_usage
,
1134 rr
->tlsa
.matching_type
,
1145 case DNS_TYPE_CAA
: {
1146 _cleanup_free_
char *value
;
1148 value
= octescape(rr
->caa
.value
, rr
->caa
.value_size
);
1152 r
= asprintf(&s
, "%s %u %s \"%s\"%s%s%s%.0u",
1157 rr
->caa
.flags
? "\n -- Flags:" : "",
1158 rr
->caa
.flags
& CAA_FLAG_CRITICAL
? " critical" : "",
1159 rr
->caa
.flags
& ~CAA_FLAG_CRITICAL
? " " : "",
1160 rr
->caa
.flags
& ~CAA_FLAG_CRITICAL
);
1167 case DNS_TYPE_OPENPGPKEY
: {
1170 r
= asprintf(&s
, "%s %n",
1176 r
= base64_append(&s
, n
,
1177 rr
->generic
.data
, rr
->generic
.data_size
,
1185 t
= hexmem(rr
->generic
.data
, rr
->generic
.data_size
);
1189 /* Format as documented in RFC 3597, Section 5 */
1190 r
= asprintf(&s
, "%s \\# %zu %s", k
, rr
->generic
.data_size
, t
);
1200 ssize_t
dns_resource_record_payload(DnsResourceRecord
*rr
, void **out
) {
1204 switch(rr
->unparseable
? _DNS_TYPE_INVALID
: rr
->key
->type
) {
1208 case DNS_TYPE_CNAME
:
1209 case DNS_TYPE_DNAME
:
1210 case DNS_TYPE_HINFO
:
1219 case DNS_TYPE_DNSKEY
:
1220 case DNS_TYPE_RRSIG
:
1222 case DNS_TYPE_NSEC3
:
1225 case DNS_TYPE_SSHFP
:
1226 *out
= rr
->sshfp
.fingerprint
;
1227 return rr
->sshfp
.fingerprint_size
;
1230 *out
= rr
->tlsa
.data
;
1231 return rr
->tlsa
.data_size
;
1233 case DNS_TYPE_OPENPGPKEY
:
1235 *out
= rr
->generic
.data
;
1236 return rr
->generic
.data_size
;
1240 int dns_resource_record_to_wire_format(DnsResourceRecord
*rr
, bool canonical
) {
1242 DnsPacket packet
= {
1244 .protocol
= DNS_PROTOCOL_DNS
,
1246 .refuse_compression
= true,
1247 .canonical_form
= canonical
,
1255 /* Generates the RR in wire-format, optionally in the
1256 * canonical form as discussed in the DNSSEC RFC 4034, Section
1257 * 6.2. We allocate a throw-away DnsPacket object on the stack
1258 * here, because we need some book-keeping for memory
1259 * management, and can reuse the DnsPacket serializer, that
1260 * can generate the canonical form, too, but also knows label
1261 * compression and suchlike. */
1263 if (rr
->wire_format
&& rr
->wire_format_canonical
== canonical
)
1266 r
= dns_packet_append_rr(&packet
, rr
, 0, &start
, &rds
);
1271 assert(packet
._data
);
1273 free(rr
->wire_format
);
1274 rr
->wire_format
= packet
._data
;
1275 rr
->wire_format_size
= packet
.size
;
1276 rr
->wire_format_rdata_offset
= rds
;
1277 rr
->wire_format_canonical
= canonical
;
1279 packet
._data
= NULL
;
1280 dns_packet_unref(&packet
);
1285 int dns_resource_record_signer(DnsResourceRecord
*rr
, const char **ret
) {
1292 /* Returns the RRset's signer, if it is known. */
1294 if (rr
->n_skip_labels_signer
== (unsigned) -1)
1297 n
= dns_resource_key_name(rr
->key
);
1298 r
= dns_name_skip(n
, rr
->n_skip_labels_signer
, &n
);
1308 int dns_resource_record_source(DnsResourceRecord
*rr
, const char **ret
) {
1315 /* Returns the RRset's synthesizing source, if it is known. */
1317 if (rr
->n_skip_labels_source
== (unsigned) -1)
1320 n
= dns_resource_key_name(rr
->key
);
1321 r
= dns_name_skip(n
, rr
->n_skip_labels_source
, &n
);
1331 int dns_resource_record_is_signer(DnsResourceRecord
*rr
, const char *zone
) {
1337 r
= dns_resource_record_signer(rr
, &signer
);
1341 return dns_name_equal(zone
, signer
);
1344 int dns_resource_record_is_synthetic(DnsResourceRecord
*rr
) {
1349 /* Returns > 0 if the RR is generated from a wildcard, and is not the asterisk name itself */
1351 if (rr
->n_skip_labels_source
== (unsigned) -1)
1354 if (rr
->n_skip_labels_source
== 0)
1357 if (rr
->n_skip_labels_source
> 1)
1360 r
= dns_name_startswith(dns_resource_key_name(rr
->key
), "*");
1367 void dns_resource_record_hash_func(const void *i
, struct siphash
*state
) {
1368 const DnsResourceRecord
*rr
= i
;
1372 dns_resource_key_hash_func(rr
->key
, state
);
1374 switch (rr
->unparseable
? _DNS_TYPE_INVALID
: rr
->key
->type
) {
1377 siphash24_compress(&rr
->srv
.priority
, sizeof(rr
->srv
.priority
), state
);
1378 siphash24_compress(&rr
->srv
.weight
, sizeof(rr
->srv
.weight
), state
);
1379 siphash24_compress(&rr
->srv
.port
, sizeof(rr
->srv
.port
), state
);
1380 dns_name_hash_func(rr
->srv
.name
, state
);
1385 case DNS_TYPE_CNAME
:
1386 case DNS_TYPE_DNAME
:
1387 dns_name_hash_func(rr
->ptr
.name
, state
);
1390 case DNS_TYPE_HINFO
:
1391 string_hash_func(rr
->hinfo
.cpu
, state
);
1392 string_hash_func(rr
->hinfo
.os
, state
);
1396 case DNS_TYPE_SPF
: {
1399 LIST_FOREACH(items
, j
, rr
->txt
.items
) {
1400 siphash24_compress(j
->data
, j
->length
, state
);
1402 /* Add an extra NUL byte, so that "a" followed by "b" doesn't result in the same hash as "ab"
1403 * followed by "". */
1404 siphash24_compress_byte(0, state
);
1410 siphash24_compress(&rr
->a
.in_addr
, sizeof(rr
->a
.in_addr
), state
);
1414 siphash24_compress(&rr
->aaaa
.in6_addr
, sizeof(rr
->aaaa
.in6_addr
), state
);
1418 dns_name_hash_func(rr
->soa
.mname
, state
);
1419 dns_name_hash_func(rr
->soa
.rname
, state
);
1420 siphash24_compress(&rr
->soa
.serial
, sizeof(rr
->soa
.serial
), state
);
1421 siphash24_compress(&rr
->soa
.refresh
, sizeof(rr
->soa
.refresh
), state
);
1422 siphash24_compress(&rr
->soa
.retry
, sizeof(rr
->soa
.retry
), state
);
1423 siphash24_compress(&rr
->soa
.expire
, sizeof(rr
->soa
.expire
), state
);
1424 siphash24_compress(&rr
->soa
.minimum
, sizeof(rr
->soa
.minimum
), state
);
1428 siphash24_compress(&rr
->mx
.priority
, sizeof(rr
->mx
.priority
), state
);
1429 dns_name_hash_func(rr
->mx
.exchange
, state
);
1433 siphash24_compress(&rr
->loc
.version
, sizeof(rr
->loc
.version
), state
);
1434 siphash24_compress(&rr
->loc
.size
, sizeof(rr
->loc
.size
), state
);
1435 siphash24_compress(&rr
->loc
.horiz_pre
, sizeof(rr
->loc
.horiz_pre
), state
);
1436 siphash24_compress(&rr
->loc
.vert_pre
, sizeof(rr
->loc
.vert_pre
), state
);
1437 siphash24_compress(&rr
->loc
.latitude
, sizeof(rr
->loc
.latitude
), state
);
1438 siphash24_compress(&rr
->loc
.longitude
, sizeof(rr
->loc
.longitude
), state
);
1439 siphash24_compress(&rr
->loc
.altitude
, sizeof(rr
->loc
.altitude
), state
);
1442 case DNS_TYPE_SSHFP
:
1443 siphash24_compress(&rr
->sshfp
.algorithm
, sizeof(rr
->sshfp
.algorithm
), state
);
1444 siphash24_compress(&rr
->sshfp
.fptype
, sizeof(rr
->sshfp
.fptype
), state
);
1445 siphash24_compress(rr
->sshfp
.fingerprint
, rr
->sshfp
.fingerprint_size
, state
);
1448 case DNS_TYPE_DNSKEY
:
1449 siphash24_compress(&rr
->dnskey
.flags
, sizeof(rr
->dnskey
.flags
), state
);
1450 siphash24_compress(&rr
->dnskey
.protocol
, sizeof(rr
->dnskey
.protocol
), state
);
1451 siphash24_compress(&rr
->dnskey
.algorithm
, sizeof(rr
->dnskey
.algorithm
), state
);
1452 siphash24_compress(rr
->dnskey
.key
, rr
->dnskey
.key_size
, state
);
1455 case DNS_TYPE_RRSIG
:
1456 siphash24_compress(&rr
->rrsig
.type_covered
, sizeof(rr
->rrsig
.type_covered
), state
);
1457 siphash24_compress(&rr
->rrsig
.algorithm
, sizeof(rr
->rrsig
.algorithm
), state
);
1458 siphash24_compress(&rr
->rrsig
.labels
, sizeof(rr
->rrsig
.labels
), state
);
1459 siphash24_compress(&rr
->rrsig
.original_ttl
, sizeof(rr
->rrsig
.original_ttl
), state
);
1460 siphash24_compress(&rr
->rrsig
.expiration
, sizeof(rr
->rrsig
.expiration
), state
);
1461 siphash24_compress(&rr
->rrsig
.inception
, sizeof(rr
->rrsig
.inception
), state
);
1462 siphash24_compress(&rr
->rrsig
.key_tag
, sizeof(rr
->rrsig
.key_tag
), state
);
1463 dns_name_hash_func(rr
->rrsig
.signer
, state
);
1464 siphash24_compress(rr
->rrsig
.signature
, rr
->rrsig
.signature_size
, state
);
1468 dns_name_hash_func(rr
->nsec
.next_domain_name
, state
);
1469 /* FIXME: we leave out the type bitmap here. Hash
1470 * would be better if we'd take it into account
1475 siphash24_compress(&rr
->ds
.key_tag
, sizeof(rr
->ds
.key_tag
), state
);
1476 siphash24_compress(&rr
->ds
.algorithm
, sizeof(rr
->ds
.algorithm
), state
);
1477 siphash24_compress(&rr
->ds
.digest_type
, sizeof(rr
->ds
.digest_type
), state
);
1478 siphash24_compress(rr
->ds
.digest
, rr
->ds
.digest_size
, state
);
1481 case DNS_TYPE_NSEC3
:
1482 siphash24_compress(&rr
->nsec3
.algorithm
, sizeof(rr
->nsec3
.algorithm
), state
);
1483 siphash24_compress(&rr
->nsec3
.flags
, sizeof(rr
->nsec3
.flags
), state
);
1484 siphash24_compress(&rr
->nsec3
.iterations
, sizeof(rr
->nsec3
.iterations
), state
);
1485 siphash24_compress(rr
->nsec3
.salt
, rr
->nsec3
.salt_size
, state
);
1486 siphash24_compress(rr
->nsec3
.next_hashed_name
, rr
->nsec3
.next_hashed_name_size
, state
);
1487 /* FIXME: We leave the bitmaps out */
1491 siphash24_compress(&rr
->tlsa
.cert_usage
, sizeof(rr
->tlsa
.cert_usage
), state
);
1492 siphash24_compress(&rr
->tlsa
.selector
, sizeof(rr
->tlsa
.selector
), state
);
1493 siphash24_compress(&rr
->tlsa
.matching_type
, sizeof(rr
->tlsa
.matching_type
), state
);
1494 siphash24_compress(rr
->tlsa
.data
, rr
->tlsa
.data_size
, state
);
1498 siphash24_compress(&rr
->caa
.flags
, sizeof(rr
->caa
.flags
), state
);
1499 string_hash_func(rr
->caa
.tag
, state
);
1500 siphash24_compress(rr
->caa
.value
, rr
->caa
.value_size
, state
);
1503 case DNS_TYPE_OPENPGPKEY
:
1505 siphash24_compress(rr
->generic
.data
, rr
->generic
.data_size
, state
);
1510 static int dns_resource_record_compare_func(const void *a
, const void *b
) {
1511 const DnsResourceRecord
*x
= a
, *y
= b
;
1514 ret
= dns_resource_key_compare_func(x
->key
, y
->key
);
1518 if (dns_resource_record_equal(x
, y
))
1521 /* This is a bit dirty, we don't implement proper ordering, but
1522 * the hashtable doesn't need ordering anyway, hence we don't
1524 return x
< y
? -1 : 1;
1527 const struct hash_ops dns_resource_record_hash_ops
= {
1528 .hash
= dns_resource_record_hash_func
,
1529 .compare
= dns_resource_record_compare_func
,
1532 DnsResourceRecord
*dns_resource_record_copy(DnsResourceRecord
*rr
) {
1533 _cleanup_(dns_resource_record_unrefp
) DnsResourceRecord
*copy
= NULL
;
1534 DnsResourceRecord
*t
;
1538 copy
= dns_resource_record_new(rr
->key
);
1542 copy
->ttl
= rr
->ttl
;
1543 copy
->expiry
= rr
->expiry
;
1544 copy
->n_skip_labels_signer
= rr
->n_skip_labels_signer
;
1545 copy
->n_skip_labels_source
= rr
->n_skip_labels_source
;
1546 copy
->unparseable
= rr
->unparseable
;
1548 switch (rr
->unparseable
? _DNS_TYPE_INVALID
: rr
->key
->type
) {
1551 copy
->srv
.priority
= rr
->srv
.priority
;
1552 copy
->srv
.weight
= rr
->srv
.weight
;
1553 copy
->srv
.port
= rr
->srv
.port
;
1554 copy
->srv
.name
= strdup(rr
->srv
.name
);
1555 if (!copy
->srv
.name
)
1561 case DNS_TYPE_CNAME
:
1562 case DNS_TYPE_DNAME
:
1563 copy
->ptr
.name
= strdup(rr
->ptr
.name
);
1564 if (!copy
->ptr
.name
)
1568 case DNS_TYPE_HINFO
:
1569 copy
->hinfo
.cpu
= strdup(rr
->hinfo
.cpu
);
1570 if (!copy
->hinfo
.cpu
)
1573 copy
->hinfo
.os
= strdup(rr
->hinfo
.os
);
1574 if (!copy
->hinfo
.os
)
1580 copy
->txt
.items
= dns_txt_item_copy(rr
->txt
.items
);
1581 if (!copy
->txt
.items
)
1590 copy
->aaaa
= rr
->aaaa
;
1594 copy
->soa
.mname
= strdup(rr
->soa
.mname
);
1595 if (!copy
->soa
.mname
)
1597 copy
->soa
.rname
= strdup(rr
->soa
.rname
);
1598 if (!copy
->soa
.rname
)
1600 copy
->soa
.serial
= rr
->soa
.serial
;
1601 copy
->soa
.refresh
= rr
->soa
.refresh
;
1602 copy
->soa
.retry
= rr
->soa
.retry
;
1603 copy
->soa
.expire
= rr
->soa
.expire
;
1604 copy
->soa
.minimum
= rr
->soa
.minimum
;
1608 copy
->mx
.priority
= rr
->mx
.priority
;
1609 copy
->mx
.exchange
= strdup(rr
->mx
.exchange
);
1610 if (!copy
->mx
.exchange
)
1615 copy
->loc
= rr
->loc
;
1618 case DNS_TYPE_SSHFP
:
1619 copy
->sshfp
.algorithm
= rr
->sshfp
.algorithm
;
1620 copy
->sshfp
.fptype
= rr
->sshfp
.fptype
;
1621 copy
->sshfp
.fingerprint
= memdup(rr
->sshfp
.fingerprint
, rr
->sshfp
.fingerprint_size
);
1622 if (!copy
->sshfp
.fingerprint
)
1624 copy
->sshfp
.fingerprint_size
= rr
->sshfp
.fingerprint_size
;
1627 case DNS_TYPE_DNSKEY
:
1628 copy
->dnskey
.flags
= rr
->dnskey
.flags
;
1629 copy
->dnskey
.protocol
= rr
->dnskey
.protocol
;
1630 copy
->dnskey
.algorithm
= rr
->dnskey
.algorithm
;
1631 copy
->dnskey
.key
= memdup(rr
->dnskey
.key
, rr
->dnskey
.key_size
);
1632 if (!copy
->dnskey
.key
)
1634 copy
->dnskey
.key_size
= rr
->dnskey
.key_size
;
1637 case DNS_TYPE_RRSIG
:
1638 copy
->rrsig
.type_covered
= rr
->rrsig
.type_covered
;
1639 copy
->rrsig
.algorithm
= rr
->rrsig
.algorithm
;
1640 copy
->rrsig
.labels
= rr
->rrsig
.labels
;
1641 copy
->rrsig
.original_ttl
= rr
->rrsig
.original_ttl
;
1642 copy
->rrsig
.expiration
= rr
->rrsig
.expiration
;
1643 copy
->rrsig
.inception
= rr
->rrsig
.inception
;
1644 copy
->rrsig
.key_tag
= rr
->rrsig
.key_tag
;
1645 copy
->rrsig
.signer
= strdup(rr
->rrsig
.signer
);
1646 if (!copy
->rrsig
.signer
)
1648 copy
->rrsig
.signature
= memdup(rr
->rrsig
.signature
, rr
->rrsig
.signature_size
);
1649 if (!copy
->rrsig
.signature
)
1651 copy
->rrsig
.signature_size
= rr
->rrsig
.signature_size
;
1655 copy
->nsec
.next_domain_name
= strdup(rr
->nsec
.next_domain_name
);
1656 if (!copy
->nsec
.next_domain_name
)
1658 copy
->nsec
.types
= bitmap_copy(rr
->nsec
.types
);
1659 if (!copy
->nsec
.types
)
1664 copy
->ds
.key_tag
= rr
->ds
.key_tag
;
1665 copy
->ds
.algorithm
= rr
->ds
.algorithm
;
1666 copy
->ds
.digest_type
= rr
->ds
.digest_type
;
1667 copy
->ds
.digest
= memdup(rr
->ds
.digest
, rr
->ds
.digest_size
);
1668 if (!copy
->ds
.digest
)
1670 copy
->ds
.digest_size
= rr
->ds
.digest_size
;
1673 case DNS_TYPE_NSEC3
:
1674 copy
->nsec3
.algorithm
= rr
->nsec3
.algorithm
;
1675 copy
->nsec3
.flags
= rr
->nsec3
.flags
;
1676 copy
->nsec3
.iterations
= rr
->nsec3
.iterations
;
1677 copy
->nsec3
.salt
= memdup(rr
->nsec3
.salt
, rr
->nsec3
.salt_size
);
1678 if (!copy
->nsec3
.salt
)
1680 copy
->nsec3
.salt_size
= rr
->nsec3
.salt_size
;
1681 copy
->nsec3
.next_hashed_name
= memdup(rr
->nsec3
.next_hashed_name
, rr
->nsec3
.next_hashed_name_size
);
1682 if (!copy
->nsec3
.next_hashed_name_size
)
1684 copy
->nsec3
.next_hashed_name_size
= rr
->nsec3
.next_hashed_name_size
;
1685 copy
->nsec3
.types
= bitmap_copy(rr
->nsec3
.types
);
1686 if (!copy
->nsec3
.types
)
1691 copy
->tlsa
.cert_usage
= rr
->tlsa
.cert_usage
;
1692 copy
->tlsa
.selector
= rr
->tlsa
.selector
;
1693 copy
->tlsa
.matching_type
= rr
->tlsa
.matching_type
;
1694 copy
->tlsa
.data
= memdup(rr
->tlsa
.data
, rr
->tlsa
.data_size
);
1695 if (!copy
->tlsa
.data
)
1697 copy
->tlsa
.data_size
= rr
->tlsa
.data_size
;
1701 copy
->caa
.flags
= rr
->caa
.flags
;
1702 copy
->caa
.tag
= strdup(rr
->caa
.tag
);
1705 copy
->caa
.value
= memdup(rr
->caa
.value
, rr
->caa
.value_size
);
1706 if (!copy
->caa
.value
)
1708 copy
->caa
.value_size
= rr
->caa
.value_size
;
1713 copy
->generic
.data
= memdup(rr
->generic
.data
, rr
->generic
.data_size
);
1714 if (!copy
->generic
.data
)
1716 copy
->generic
.data_size
= rr
->generic
.data_size
;
1725 int dns_resource_record_clamp_ttl(DnsResourceRecord
**rr
, uint32_t max_ttl
) {
1726 DnsResourceRecord
*old_rr
, *new_rr
;
1732 if (old_rr
->key
->type
== DNS_TYPE_OPT
)
1735 new_ttl
= MIN(old_rr
->ttl
, max_ttl
);
1736 if (new_ttl
== old_rr
->ttl
)
1739 if (old_rr
->n_ref
== 1) {
1740 /* Patch in place */
1741 old_rr
->ttl
= new_ttl
;
1745 new_rr
= dns_resource_record_copy(old_rr
);
1749 new_rr
->ttl
= new_ttl
;
1751 dns_resource_record_unref(*rr
);
1757 DnsTxtItem
*dns_txt_item_free_all(DnsTxtItem
*i
) {
1766 return dns_txt_item_free_all(n
);
1769 bool dns_txt_item_equal(DnsTxtItem
*a
, DnsTxtItem
*b
) {
1780 if (a
->length
!= b
->length
)
1783 if (memcmp(a
->data
, b
->data
, a
->length
) != 0)
1786 return dns_txt_item_equal(a
->items_next
, b
->items_next
);
1789 DnsTxtItem
*dns_txt_item_copy(DnsTxtItem
*first
) {
1790 DnsTxtItem
*i
, *copy
= NULL
, *end
= NULL
;
1792 LIST_FOREACH(items
, i
, first
) {
1795 j
= memdup(i
, offsetof(DnsTxtItem
, data
) + i
->length
+ 1);
1797 dns_txt_item_free_all(copy
);
1801 LIST_INSERT_AFTER(items
, copy
, end
, j
);
1808 int dns_txt_item_new_empty(DnsTxtItem
**ret
) {
1811 /* RFC 6763, section 6.1 suggests to treat
1812 * empty TXT RRs as equivalent to a TXT record
1813 * with a single empty string. */
1815 i
= malloc0(offsetof(DnsTxtItem
, data
) + 1); /* for safety reasons we add an extra NUL byte */
1824 static const char* const dnssec_algorithm_table
[_DNSSEC_ALGORITHM_MAX_DEFINED
] = {
1825 /* Mnemonics as listed on https://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml */
1826 [DNSSEC_ALGORITHM_RSAMD5
] = "RSAMD5",
1827 [DNSSEC_ALGORITHM_DH
] = "DH",
1828 [DNSSEC_ALGORITHM_DSA
] = "DSA",
1829 [DNSSEC_ALGORITHM_ECC
] = "ECC",
1830 [DNSSEC_ALGORITHM_RSASHA1
] = "RSASHA1",
1831 [DNSSEC_ALGORITHM_DSA_NSEC3_SHA1
] = "DSA-NSEC3-SHA1",
1832 [DNSSEC_ALGORITHM_RSASHA1_NSEC3_SHA1
] = "RSASHA1-NSEC3-SHA1",
1833 [DNSSEC_ALGORITHM_RSASHA256
] = "RSASHA256",
1834 [DNSSEC_ALGORITHM_RSASHA512
] = "RSASHA512",
1835 [DNSSEC_ALGORITHM_ECC_GOST
] = "ECC-GOST",
1836 [DNSSEC_ALGORITHM_ECDSAP256SHA256
] = "ECDSAP256SHA256",
1837 [DNSSEC_ALGORITHM_ECDSAP384SHA384
] = "ECDSAP384SHA384",
1838 [DNSSEC_ALGORITHM_ED25519
] = "ED25519",
1839 [DNSSEC_ALGORITHM_ED448
] = "ED448",
1840 [DNSSEC_ALGORITHM_INDIRECT
] = "INDIRECT",
1841 [DNSSEC_ALGORITHM_PRIVATEDNS
] = "PRIVATEDNS",
1842 [DNSSEC_ALGORITHM_PRIVATEOID
] = "PRIVATEOID",
1844 DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(dnssec_algorithm
, int, 255);
1846 static const char* const dnssec_digest_table
[_DNSSEC_DIGEST_MAX_DEFINED
] = {
1847 /* Names as listed on https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml */
1848 [DNSSEC_DIGEST_SHA1
] = "SHA-1",
1849 [DNSSEC_DIGEST_SHA256
] = "SHA-256",
1850 [DNSSEC_DIGEST_GOST_R_34_11_94
] = "GOST_R_34.11-94",
1851 [DNSSEC_DIGEST_SHA384
] = "SHA-384",
1853 DEFINE_STRING_TABLE_LOOKUP_WITH_FALLBACK(dnssec_digest
, int, 255);