rr.h
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1 /*
2  * rr.h - resource record definitions
3  *
4  * a Net::DNS like library for C
5  *
6  * (c) NLnet Labs, 2005-2006
7  *
8  * See the file LICENSE for the license
9  */
10 
18 #ifndef LDNS_RR_H
19 #define LDNS_RR_H
20 
21 #include <ldns/common.h>
22 #include <ldns/rdata.h>
23 #include <ldns/buffer.h>
24 #include <ldns/error.h>
25 
26 #ifdef __cplusplus
27 extern "C" {
28 #endif
29 
31 #define LDNS_MAX_LABELLEN 63
32 
33 #define LDNS_MAX_DOMAINLEN 255
34 
35 #define LDNS_MAX_POINTERS 65535
36 
37 #define LDNS_RR_OVERHEAD 10
38 
39 
40 
45 {
56 
60 };
62 
67 {
71 };
73 
78 {
166  LDNS_RR_TYPE_SSHFP = 44, /* RFC 4255 */
168  LDNS_RR_TYPE_IPSECKEY = 45, /* RFC 4025 */
170  LDNS_RR_TYPE_RRSIG = 46, /* RFC 4034 */
171  LDNS_RR_TYPE_NSEC = 47, /* RFC 4034 */
172  LDNS_RR_TYPE_DNSKEY = 48, /* RFC 4034 */
173 
174  LDNS_RR_TYPE_DHCID = 49, /* RFC 4701 */
175  /* NSEC3 */
176  LDNS_RR_TYPE_NSEC3 = 50, /* RFC 5155 */
177  LDNS_RR_TYPE_NSEC3PARAM = 51, /* RFC 5155 */
179  LDNS_RR_TYPE_TLSA = 52, /* RFC 6698 */
180  LDNS_RR_TYPE_SMIMEA = 53, /* RFC 8162 */
181 
182  LDNS_RR_TYPE_HIP = 55, /* RFC 5205 */
183 
190  LDNS_RR_TYPE_CDS = 59, /* RFC 7344 */
191  LDNS_RR_TYPE_CDNSKEY = 60, /* RFC 7344 */
192  LDNS_RR_TYPE_OPENPGPKEY = 61, /* RFC 7929 */
193  LDNS_RR_TYPE_CSYNC = 62, /* RFC 7477 */
194  LDNS_RR_TYPE_ZONEMD = 63, /* draft-ietf-dnsop-dns-zone-digest */
195  LDNS_RR_TYPE_SVCB = 64, /* draft-ietf-dnsop-svcb-https */
196  LDNS_RR_TYPE_HTTPS = 65, /* draft-ietf-dnsop-svcb-https */
197 
198  LDNS_RR_TYPE_SPF = 99, /* RFC 4408 */
199 
204 
205  LDNS_RR_TYPE_NID = 104, /* RFC 6742 */
206  LDNS_RR_TYPE_L32 = 105, /* RFC 6742 */
207  LDNS_RR_TYPE_L64 = 106, /* RFC 6742 */
208  LDNS_RR_TYPE_LP = 107, /* RFC 6742 */
209 
210  LDNS_RR_TYPE_EUI48 = 108, /* RFC 7043 */
211  LDNS_RR_TYPE_EUI64 = 109, /* RFC 7043 */
212 
213  LDNS_RR_TYPE_TKEY = 249, /* RFC 2930 */
223  LDNS_RR_TYPE_URI = 256, /* RFC 7553 */
224  LDNS_RR_TYPE_CAA = 257, /* RFC 6844 */
225  LDNS_RR_TYPE_AVC = 258, /* Cisco's DNS-AS RR, see www.dns-as.org */
226  LDNS_RR_TYPE_DOA = 259, /* draft-durand-doa-over-dns */
227 
230 
233  /* RFC 4431, 5074, DNSSEC Lookaside Validation */
235 
236  /* type codes from nsec3 experimental phase
237  LDNS_RR_TYPE_NSEC3 = 65324,
238  LDNS_RR_TYPE_NSEC3PARAMS = 65325, */
242 };
244 
245 /* The first fields are contiguous and can be referenced instantly */
246 #define LDNS_RDATA_FIELD_DESCRIPTORS_COMMON (LDNS_RR_TYPE_AMTRELAY + 1)
247 
310 {
314  uint32_t _ttl;
316  size_t _rd_count;
321  /* everything in the rdata is in network order */
328 };
329 typedef struct ldns_struct_rr ldns_rr;
330 
338 {
339  size_t _rr_count;
340  size_t _rr_capacity;
342 };
344 
351 {
355  const char *_name;
357  uint8_t _minimum;
359  uint8_t _maximum;
367  uint8_t _dname_count;
368 };
370 
371 
379 
386 
387 
392 ldns_rr* ldns_rr_new(void);
393 
399 
405 void ldns_rr_free(ldns_rr *rr);
406 
423 ldns_status ldns_rr_new_frm_str(ldns_rr **n, const char *str,
424  uint32_t default_ttl, const ldns_rdf *origin,
425  ldns_rdf **prev);
426 
441  const ldns_rdf *origin, ldns_rdf **prev);
442 
457 ldns_status ldns_rr_new_frm_fp(ldns_rr **rr, FILE *fp, uint32_t *default_ttl, ldns_rdf **origin, ldns_rdf **prev);
458 
474 ldns_status ldns_rr_new_frm_fp_l(ldns_rr **rr, FILE *fp, uint32_t *default_ttl, ldns_rdf **origin, ldns_rdf **prev, int *line_nr);
475 
482 void ldns_rr_set_owner(ldns_rr *rr, ldns_rdf *owner);
483 
490 void ldns_rr_set_question(ldns_rr *rr, bool question);
491 
498 void ldns_rr_set_ttl(ldns_rr *rr, uint32_t ttl);
499 
506 void ldns_rr_set_rd_count(ldns_rr *rr, size_t count);
507 
514 void ldns_rr_set_type(ldns_rr *rr, ldns_rr_type rr_type);
515 
522 void ldns_rr_set_class(ldns_rr *rr, ldns_rr_class rr_class);
523 
532 ldns_rdf* ldns_rr_set_rdf(ldns_rr *rr, const ldns_rdf *f, size_t position);
533 
541 bool ldns_rr_push_rdf(ldns_rr *rr, const ldns_rdf *f);
542 
550 
557 ldns_rdf* ldns_rr_rdf(const ldns_rr *rr, size_t nr);
558 
564 ldns_rdf* ldns_rr_owner(const ldns_rr *rr);
565 
571 bool ldns_rr_is_question(const ldns_rr *rr);
572 
578 uint32_t ldns_rr_ttl(const ldns_rr *rr);
579 
585 size_t ldns_rr_rd_count(const ldns_rr *rr);
586 
593 
600 
601 /* rr_lists */
602 
608 size_t ldns_rr_list_rr_count(const ldns_rr_list *rr_list);
609 
616 void ldns_rr_list_set_rr_count(ldns_rr_list *rr_list, size_t count);
617 
626 ldns_rr * ldns_rr_list_set_rr(ldns_rr_list *rr_list, const ldns_rr *r, size_t count);
627 
634 ldns_rr* ldns_rr_list_rr(const ldns_rr_list *rr_list, size_t nr);
635 
641 
646 void ldns_rr_list_free(ldns_rr_list *rr_list);
647 
652 void ldns_rr_list_deep_free(ldns_rr_list *rr_list);
653 
661 bool ldns_rr_list_cat(ldns_rr_list *left, const ldns_rr_list *right);
662 
671 
678 bool ldns_rr_list_push_rr(ldns_rr_list *rr_list, const ldns_rr *rr);
679 
686 bool ldns_rr_list_push_rr_list(ldns_rr_list *rr_list, const ldns_rr_list *push_list);
687 
694 
701 ldns_rr_list* ldns_rr_list_pop_rr_list(ldns_rr_list *rr_list, size_t size);
702 
710 bool ldns_rr_list_contains_rr(const ldns_rr_list *rr_list, const ldns_rr *rr);
711 
717 bool ldns_is_rrset(const ldns_rr_list *rr_list);
718 
725 bool ldns_rr_set_push_rr(ldns_rr_list *rr_list, ldns_rr *rr);
726 
735 
742 
743 
749 ldns_rr_type ldns_get_rr_type_by_name(const char *name);
750 
756 ldns_rr_class ldns_get_rr_class_by_name(const char *name);
757 
763 ldns_rr* ldns_rr_clone(const ldns_rr *rr);
764 
771 
777 void ldns_rr_list_sort(ldns_rr_list *unsorted);
778 
787 int ldns_rr_compare(const ldns_rr *rr1, const ldns_rr *rr2);
788 
797 int ldns_rr_compare_no_rdata(const ldns_rr *rr1, const ldns_rr *rr2);
798 
807 int ldns_rr_compare_wire(const ldns_buffer *rr1_buf, const ldns_buffer *rr2_buf);
808 
817 bool ldns_rr_compare_ds(const ldns_rr *rr1, const ldns_rr *rr2);
818 
827 int ldns_rr_list_compare(const ldns_rr_list *rrl1, const ldns_rr_list *rrl2);
828 
834 size_t ldns_rr_uncompressed_size(const ldns_rr *r);
835 
841 void ldns_rr2canonical(ldns_rr *rr);
842 
848 void ldns_rr_list2canonical(const ldns_rr_list *rr_list);
849 
855 uint8_t ldns_rr_label_count(const ldns_rr *rr);
856 
863 const ldns_rr_descriptor *ldns_rr_descript(uint16_t type);
864 
871 size_t ldns_rr_descriptor_minimum(const ldns_rr_descriptor *descriptor);
872 
879 size_t ldns_rr_descriptor_maximum(const ldns_rr_descriptor *descriptor);
880 
888 ldns_rdf_type ldns_rr_descriptor_field_type(const ldns_rr_descriptor *descriptor, size_t field);
889 
901 ldns_rr_list *ldns_rr_list_subtype_by_rdf(const ldns_rr_list *l, const ldns_rdf *r, size_t pos);
902 
912 
921 ldns_rr_list_type(const ldns_rr_list *rr_list);
922 
930 ldns_rdf *
931 ldns_rr_list_owner(const ldns_rr_list *rr_list);
932 
933 #ifdef __cplusplus
934 }
935 #endif
936 
937 #endif /* LDNS_RR_H */
void ldns_rr_list_set_rr_count(ldns_rr_list *rr_list, size_t count)
sets the number of rr's in an rr_list.
Definition: rr.c:975
ldns_status ldns_rr_new_question_frm_str(ldns_rr **n, const char *str, const ldns_rdf *origin, ldns_rdf **prev)
creates an rr for the question section from a string, i.e.
Definition: rr.c:684
List or Set of Resource Records.
Definition: rr.h:337
void ldns_rr_set_ttl(ldns_rr *rr, uint32_t ttl)
sets the ttl in the rr structure.
Definition: rr.c:808
enum ldns_enum_rr_class ldns_rr_class
Definition: rr.h:61
@ LDNS_RR_CLASS_LAST
Definition: rr.h:58
ldns_rdf * ldns_rr_set_rdf(ldns_rr *rr, const ldns_rdf *f, size_t position)
sets a rdf member, it will be set on the position given.
Definition: rr.c:832
size_t ldns_rr_rd_count(const ldns_rr *rr)
returns the rd_count of an rr structure.
Definition: rr.c:929
@ LDNS_RR_TYPE_EUI64
Definition: rr.h:211
@ LDNS_RR_TYPE_L32
Definition: rr.h:206
implementation of buffers to ease operations
Definition: buffer.h:50
@ LDNS_RR_CLASS_NONE
None class, dynamic update.
Definition: rr.h:53
signed char ldns_rr_list_push_rr_list(ldns_rr_list *rr_list, const ldns_rr_list *push_list)
pushes an rr_list to an rrlist.
Definition: rr.c:1155
ldns_rr * ldns_rr_list_rr(const ldns_rr_list *rr_list, size_t nr)
returns a specific rr of an rrlist.
Definition: rr.c:982
void ldns_rr2canonical(ldns_rr *rr)
converts each dname in a rr to its canonical form.
Definition: rr.c:1772
ldns_rr_class _rr_class
Class of the resource record.
Definition: rr.h:320
@ LDNS_RR_TYPE_HIP
Definition: rr.h:182
@ LDNS_RR_TYPE_LAST
Definition: rr.h:240
@ LDNS_RR_TYPE_NINFO
draft-reid-dnsext-zs
Definition: rr.h:185
size_t ldns_rr_descriptor_minimum(const ldns_rr_descriptor *descriptor)
returns the minimum number of rdata fields of the rr type this descriptor describes.
Definition: rr.c:2642
uint8_t _maximum
Maximum number of rdata fields in the RRs of this type.
Definition: rr.h:359
@ LDNS_RR_TYPE_AVC
Definition: rr.h:225
@ LDNS_RR_TYPE_APL
RFC3123.
Definition: rr.h:162
Resource Record.
Definition: rr.h:309
void ldns_rr_set_type(ldns_rr *rr, ldns_rr_type rr_type)
sets the type in the rr.
Definition: rr.c:820
@ LDNS_RR_TYPE_MF
a mail forwarder (Obsolete - use MX)
Definition: rr.h:86
ldns_rdf_type _variable
Special rdf types.
Definition: rr.h:363
void ldns_rr_free(ldns_rr *rr)
frees an RR structure
Definition: rr.c:75
ldns_rdf * ldns_rr_list_owner(const ldns_rr_list *rr_list)
Returns the owner domain name rdf of the first element of the RR If there are no elements present,...
Definition: rr.c:2768
@ LDNS_RR_TYPE_ANY
any type (wildcard)
Definition: rr.h:222
@ LDNS_RR_TYPE_KX
RFC2230.
Definition: rr.h:150
@ LDNS_RR_TYPE_MINFO
mailbox or mail list information
Definition: rr.h:106
@ LDNS_RR_TYPE_TALINK
draft-ietf-dnsop-trust-history
Definition: rr.h:189
@ LDNS_RR_TYPE_FIRST
Definition: rr.h:239
@ LDNS_RR_TYPE_DHCID
Definition: rr.h:174
@ LDNS_RR_TYPE_HTTPS
Definition: rr.h:196
size_t _rd_count
Number of data fields.
Definition: rr.h:316
ldns_rr_class ldns_get_rr_class_by_name(const char *name)
retrieves a class by looking up its name.
Definition: rr.c:2721
@ LDNS_RR_TYPE_SSHFP
SSH Key Fingerprint.
Definition: rr.h:166
@ LDNS_RR_TYPE_HINFO
host information
Definition: rr.h:104
ldns_rdf * ldns_rr_rdf(const ldns_rr *rr, size_t nr)
returns the rdata field member counter.
Definition: rr.c:901
enum ldns_enum_rdf_type ldns_rdf_type
Definition: rdata.h:151
@ LDNS_RR_TYPE_NAPTR
RFC2915.
Definition: rr.h:148
@ LDNS_RR_TYPE_L64
Definition: rr.h:207
@ LDNS_RR_CLASS_CH
Chaos class.
Definition: rr.h:49
size_t _rr_capacity
Definition: rr.h:340
@ LDNS_RR_TYPE_TSIG
Definition: rr.h:214
@ LDNS_RR_CLASS_IN
the Internet
Definition: rr.h:47
void ldns_rr_list_free(ldns_rr_list *rr_list)
frees an rr_list structure.
Definition: rr.c:1003
ldns_rr_list * ldns_rr_list_subtype_by_rdf(const ldns_rr_list *l, const ldns_rdf *r, size_t pos)
Return the rr_list which matches the rdf at position field.
Definition: rr.c:1090
ldns_enum_rr_type
The different RR types.
Definition: rr.h:77
ldns_rr_type ldns_rr_list_type(const ldns_rr_list *rr_list)
Returns the type of the first element of the RR If there are no elements present, 0 is returned.
Definition: rr.c:2758
@ LDNS_RR_TYPE_AXFR
Definition: rr.h:216
@ LDNS_RR_TYPE_OPT
Pseudo OPT record...
Definition: rr.h:160
@ LDNS_RR_TYPE_SMIMEA
Definition: rr.h:180
@ LDNS_RR_TYPE_CDS
Definition: rr.h:190
size_t _rr_count
Definition: rr.h:339
@ LDNS_RR_TYPE_AMTRELAY
draft-ietf-mboned-driad-amt-discovery
Definition: rr.h:229
ldns_rr_compress _compress
Specifies whether compression can be used for dnames in this RR type.
Definition: rr.h:365
@ LDNS_RR_TYPE_ZONEMD
Definition: rr.h:194
@ LDNS_RR_TYPE_CDNSKEY
Definition: rr.h:191
@ LDNS_RR_TYPE_NXT
2535typecode
Definition: rr.h:138
@ LDNS_RR_TYPE_IXFR
Definition: rr.h:215
@ LDNS_RR_TYPE_TA
DNSSEC Trust Authorities.
Definition: rr.h:232
@ LDNS_RR_TYPE_WKS
a well known service description
Definition: rr.h:100
void ldns_rr_set_rd_count(ldns_rr *rr, size_t count)
sets the rd_count in the rr.
Definition: rr.c:814
signed char ldns_rr_set_push_rr(ldns_rr_list *rr_list, ldns_rr *rr)
pushes an rr to an rrset (which really are rr_list's).
Definition: rr.c:1285
@ LDNS_RR_TYPE_NSEC3PARAM
Definition: rr.h:177
@ LDNS_RR_TYPE_MR
a mail rename domain name (EXPERIMENTAL)
Definition: rr.h:96
@ LDNS_RR_TYPE_RP
RFC1183.
Definition: rr.h:112
signed char ldns_rr_push_rdf(ldns_rr *rr, const ldns_rdf *f)
sets rd_field member, it will be placed in the next available spot.
Definition: rr.c:849
ldns_rr_list * ldns_rr_list_cat_clone(const ldns_rr_list *left, const ldns_rr_list *right)
concatenates two ldns_rr_lists together, but makes clones of the rr's (instead of pointer copying).
Definition: rr.c:1051
void ldns_rr_list2canonical(const ldns_rr_list *rr_list)
converts each dname in each rr in a rr_list to its canonical form.
Definition: rr.c:1824
@ LDNS_RR_TYPE_DS
RFC4034, RFC3658.
Definition: rr.h:164
@ LDNS_RR_CLASS_ANY
Any class.
Definition: rr.h:55
signed char ldns_rr_list_push_rr(ldns_rr_list *rr_list, const ldns_rr *rr)
pushes an rr to an rrlist.
Definition: rr.c:1124
@ LDNS_RR_TYPE_NULL
a null RR (EXPERIMENTAL)
Definition: rr.h:98
signed char ldns_rr_list_contains_rr(const ldns_rr_list *rr_list, const ldns_rr *rr)
returns true if the given rr is one of the rrs in the list, or if it is equal to one
Definition: rr.c:1231
uint32_t ldns_rr_ttl(const ldns_rr *rr)
returns the ttl of an rr structure.
Definition: rr.c:923
@ LDNS_RR_TYPE_NSAP
RFC1706.
Definition: rr.h:122
@ LDNS_RR_TYPE_UID
Definition: rr.h:201
@ LDNS_RR_CLASS_COUNT
Definition: rr.h:59
@ LDNS_RR_TYPE_NS
an authoritative name server
Definition: rr.h:82
@ LDNS_RR_TYPE_CAA
Definition: rr.h:224
@ LDNS_RR_TYPE_EUI48
Definition: rr.h:210
size_t ldns_rr_uncompressed_size(const ldns_rr *r)
calculates the uncompressed size of an RR.
Definition: rr.c:1755
enum ldns_enum_rr_type ldns_rr_type
Definition: rr.h:243
@ LDNS_RR_TYPE_A6
RFC2874.
Definition: rr.h:154
@ LDNS_RR_TYPE_DLV
Definition: rr.h:234
@ LDNS_RR_TYPE_NSEC3PARAMS
Definition: rr.h:178
const ldns_rr_descriptor * ldns_rr_descript(uint16_t type)
returns the resource record descriptor for the given rr type.
Definition: rr.c:2623
@ LDNS_RR_TYPE_NIMLOC
draft-ietf-nimrod-dns-01.txt
Definition: rr.h:142
@ LDNS_RR_TYPE_SOA
marks the start of a zone of authority
Definition: rr.h:90
@ LDNS_RR_TYPE_MB
a mailbox domain name (EXPERIMENTAL)
Definition: rr.h:92
ldns_rr * ldns_rr_new(void)
creates a new rr structure.
Definition: rr.c:24
void ldns_rr_list_deep_free(ldns_rr_list *rr_list)
frees an rr_list structure and all rrs contained therein.
Definition: rr.c:1012
size_t ldns_rr_descriptor_maximum(const ldns_rr_descriptor *descriptor)
returns the maximum number of rdata fields of the rr type this descriptor describes.
Definition: rr.c:2652
@ LDNS_RR_TYPE_CERT
RFC2538.
Definition: rr.h:152
signed char ldns_rr_compare_ds(const ldns_rr *rr1, const ldns_rr *rr2)
returns true of the given rr's are equal.
Definition: rr.c:1701
ldns_rr_list * ldns_rr_list_new(void)
creates a new rr_list structure.
Definition: rr.c:992
ldns_enum_rr_class
The different RR classes.
Definition: rr.h:44
@ LDNS_RR_NO_COMPRESS
Definition: rr.h:70
@ LDNS_RR_TYPE_DNAME
RFC2672.
Definition: rr.h:156
@ LDNS_RR_TYPE_GPOS
RFC1712.
Definition: rr.h:132
uint8_t _dname_count
The number of DNAMEs in the _wireformat string, for parsing.
Definition: rr.h:367
ldns_status ldns_rr_new_frm_fp_l(ldns_rr **rr, FILE *fp, uint32_t *default_ttl, ldns_rdf **origin, ldns_rdf **prev, int *line_nr)
creates a new rr from a file containing a string.
Definition: rr.c:788
@ LDNS_RR_TYPE_RT
RFC1183.
Definition: rr.h:120
enum ldns_enum_status ldns_status
Definition: error.h:146
ldns_rr_type ldns_rr_get_type(const ldns_rr *rr)
returns the type of the rr.
Definition: rr.c:935
size_t ldns_rr_list_rr_count(const ldns_rr_list *rr_list)
returns the number of rr's in an rr_list.
Definition: rr.c:949
const char * _name
Textual name of the RR type.
Definition: rr.h:355
ldns_enum_rr_compress
Used to specify whether compression is allowed.
Definition: rr.h:66
@ LDNS_RR_TYPE_SPF
Definition: rr.h:198
@ LDNS_RR_TYPE_PX
RFC2163.
Definition: rr.h:130
@ LDNS_RR_TYPE_MAILA
A request for mail agent RRs (Obsolete - see MX)
Definition: rr.h:220
Resource record data field.
Definition: rdata.h:195
uint32_t _ttl
Time to live
Definition: rr.h:314
@ LDNS_RR_TYPE_OPENPGPKEY
Definition: rr.h:192
Contains all information about resource record types.
Definition: rr.h:350
ldns_status ldns_rdf_bitmap_known_rr_types_space(ldns_rdf **rdf)
Create a rr type bitmap rdf providing enough space to set all known (to ldns) rr types.
Definition: rr.c:2608
ldns_rr_type ldns_get_rr_type_by_name(const char *name)
retrieves a rrtype by looking up its name.
Definition: rr.c:2681
@ LDNS_RR_TYPE_UINFO
Definition: rr.h:200
ldns_rdf_type ldns_rr_descriptor_field_type(const ldns_rr_descriptor *descriptor, size_t field)
returns the rdf type for the given rdata field number of the rr type for the given descriptor.
Definition: rr.c:2667
@ LDNS_RR_TYPE_TLSA
Definition: rr.h:179
ldns_rdf * ldns_rr_owner(const ldns_rr *rr)
returns the owner name of an rr structure.
Definition: rr.c:911
ldns_rr * ldns_rr_set_pop_rr(ldns_rr_list *rr_list)
pops the last rr from an rrset.
Definition: rr.c:1333
@ LDNS_RR_TYPE_DOA
Definition: rr.h:226
@ LDNS_RR_TYPE_SINK
dnsind-kitchen-sink-02.txt
Definition: rr.h:158
uint8_t ldns_rr_label_count(const ldns_rr *rr)
counts the number of labels of the ownername.
Definition: rr.c:1833
@ LDNS_RR_TYPE_UNSPEC
Definition: rr.h:203
@ LDNS_RR_TYPE_MAILB
A request for mailbox-related records (MB, MG or MR)
Definition: rr.h:218
@ LDNS_RR_CLASS_FIRST
Definition: rr.h:57
ldns_rr_type _type
Type of the RR that is described here.
Definition: rr.h:353
ldns_rdf * _owner
Owner name, uncompressed.
Definition: rr.h:312
ldns_status ldns_rdf_bitmap_known_rr_types(ldns_rdf **rdf)
Create a rr type bitmap rdf with at least all known (to ldns) rr types set.
Definition: rr.c:2614
ldns_rr * ldns_rr_list_set_rr(ldns_rr_list *rr_list, const ldns_rr *r, size_t count)
set a rr on a specific index in a ldns_rr_list
Definition: rr.c:959
int ldns_rr_compare_wire(const ldns_buffer *rr1_buf, const ldns_buffer *rr2_buf)
compares the wireformat of two rrs, contained in the given buffers.
Definition: rr.c:1591
ldns_rr_list * ldns_rr_list_pop_rrset(ldns_rr_list *rr_list)
pops the first rrset from the list, the list must be sorted, so that all rr's from each rrset are nex...
Definition: rr.c:1339
int ldns_rr_compare_no_rdata(const ldns_rr *rr1, const ldns_rr *rr2)
compares two rrs, up to the rdata.
Definition: rr.c:1550
@ LDNS_RR_TYPE_LOC
LOC record RFC1876.
Definition: rr.h:136
ldns_status ldns_rr_new_frm_str(ldns_rr **n, const char *str, uint32_t default_ttl, const ldns_rdf *origin, ldns_rdf **prev)
creates an rr from a string.
Definition: rr.c:670
ldns_rr_type ldns_rdf2rr_type(const ldns_rdf *rd)
convert an rdf of type LDNS_RDF_TYPE_TYPE to an actual LDNS_RR_TYPE.
Definition: rr.c:2741
@ LDNS_RR_TYPE_GID
Definition: rr.h:202
@ LDNS_RR_TYPE_RRSIG
DNSSEC.
Definition: rr.h:170
@ LDNS_RR_TYPE_AFSDB
RFC1183.
Definition: rr.h:114
int ldns_rr_list_compare(const ldns_rr_list *rrl1, const ldns_rr_list *rrl2)
compares two rr lists.
Definition: rr.c:1728
ldns_rr * ldns_rr_new_frm_type(ldns_rr_type t)
creates a new rr structure, based on the given type.
Definition: rr.c:42
@ LDNS_RR_TYPE_A
a host address
Definition: rr.h:80
enum ldns_enum_rr_compress ldns_rr_compress
Definition: rr.h:72
void ldns_rr_set_owner(ldns_rr *rr, ldns_rdf *owner)
sets the owner in the rr structure.
Definition: rr.c:796
ldns_rr * ldns_rr_list_pop_rr(ldns_rr_list *rr_list)
pops the last rr from an rrlist.
Definition: rr.c:1169
@ LDNS_RR_TYPE_URI
Definition: rr.h:223
ldns_rdf * ldns_rr_pop_rdf(ldns_rr *rr)
removes a rd_field member, it will be popped from the last position.
Definition: rr.c:872
@ LDNS_RR_TYPE_COUNT
Definition: rr.h:241
void ldns_rr_set_question(ldns_rr *rr, signed char question)
sets the question flag in the rr structure.
@ LDNS_RR_TYPE_SRV
SRV record RFC2782.
Definition: rr.h:144
signed char ldns_is_rrset(const ldns_rr_list *rr_list)
checks if an rr_list is a rrset.
Definition: rr.c:1250
ldns_rdf ** _rdata_fields
The array of rdata's.
Definition: rr.h:323
signed char ldns_rr_list_cat(ldns_rr_list *left, const ldns_rr_list *right)
concatenates two ldns_rr_lists together.
Definition: rr.c:1028
@ LDNS_RR_TYPE_EID
draft-ietf-nimrod-dns-01.txt
Definition: rr.h:140
signed char ldns_rr_is_question(const ldns_rr *rr)
returns the question flag of an rr structure.
Definition: rr.c:917
@ LDNS_RR_TYPE_MD
a mail destination (Obsolete - use MX)
Definition: rr.h:84
ldns_status ldns_rr_new_frm_fp(ldns_rr **rr, FILE *fp, uint32_t *default_ttl, ldns_rdf **origin, ldns_rdf **prev)
creates a new rr from a file containing a string.
Definition: rr.c:713
@ LDNS_RR_COMPRESS
compression is allowed
Definition: rr.h:69
@ LDNS_RR_TYPE_DNSKEY
Definition: rr.h:172
void ldns_rr_set_class(ldns_rr *rr, ldns_rr_class rr_class)
sets the class in the rr.
Definition: rr.c:826
@ LDNS_RR_TYPE_NSEC
Definition: rr.h:171
@ LDNS_RR_TYPE_ATMA
http://www.jhsoft.com/rfc/af-saa-0069.000.rtf
Definition: rr.h:146
ldns_rr ** _rrs
Definition: rr.h:341
@ LDNS_RR_TYPE_PTR
a domain name pointer
Definition: rr.h:102
const ldns_rdf_type * _wireformat
Wireformat specification for the rr, i.e.
Definition: rr.h:361
@ LDNS_RR_TYPE_X25
RFC1183.
Definition: rr.h:116
@ LDNS_RR_TYPE_KEY
2535typecode
Definition: rr.h:128
@ LDNS_RR_TYPE_IPSECKEY
IPsec Key.
Definition: rr.h:168
ldns_rr_list * ldns_rr_list_clone(const ldns_rr_list *rrlist)
clones an rrlist.
Definition: rr.c:1422
@ LDNS_RR_TYPE_MX
mail exchange
Definition: rr.h:108
@ LDNS_RR_TYPE_CSYNC
Definition: rr.h:193
signed char _rr_question
question rr [it would be nicer if thous is after _rd_count] ABI change: Fix this in next major releas...
Definition: rr.h:327
@ LDNS_RR_TYPE_ISDN
RFC1183.
Definition: rr.h:118
ldns_rr * ldns_rr_clone(const ldns_rr *rr)
clones a rr and all its data
Definition: rr.c:1391
@ LDNS_RR_TYPE_LP
Definition: rr.h:208
@ LDNS_RR_CLASS_HS
Hesiod (Dyer 87)
Definition: rr.h:51
@ LDNS_RR_TYPE_NSEC3
Definition: rr.h:176
@ LDNS_RR_TYPE_TXT
text strings
Definition: rr.h:110
@ LDNS_RR_TYPE_TKEY
Definition: rr.h:213
@ LDNS_RR_TYPE_SIG
2535typecode
Definition: rr.h:126
uint8_t _minimum
Minimum number of rdata fields in the RRs of this type.
Definition: rr.h:357
ldns_rr_list * ldns_rr_list_pop_rr_list(ldns_rr_list *rr_list, size_t size)
pops an rr_list of size s from an rrlist.
Definition: rr.c:1201
@ LDNS_RR_TYPE_AAAA
ipv6 address
Definition: rr.h:134
@ LDNS_RR_TYPE_NSAP_PTR
RFC1348.
Definition: rr.h:124
int ldns_rr_compare(const ldns_rr *rr1, const ldns_rr *rr2)
compares two rrs.
Definition: rr.c:1629
@ LDNS_RR_TYPE_SVCB
Definition: rr.h:195
ldns_rr_class ldns_rr_get_class(const ldns_rr *rr)
returns the class of the rr.
Definition: rr.c:941
@ LDNS_RR_TYPE_NID
Definition: rr.h:205
void ldns_rr_list_sort(ldns_rr_list *unsorted)
sorts an rr_list (canonical wire format).
Definition: rr.c:1507
@ LDNS_RR_TYPE_RKEY
draft-reid-dnsext-rkey
Definition: rr.h:187
@ LDNS_RR_TYPE_MG
a mail group member (EXPERIMENTAL)
Definition: rr.h:94
@ LDNS_RR_TYPE_CNAME
the canonical name for an alias
Definition: rr.h:88
ldns_rr_type _rr_type
the type of the RR.
Definition: rr.h:318