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00018 #ifndef LDNS_RR_H
00019 #define LDNS_RR_H
00020
00021 #include <ldns/common.h>
00022 #include <ldns/rdata.h>
00023 #include <ldns/buffer.h>
00024 #include <ldns/error.h>
00025
00026 #ifdef __cplusplus
00027 extern "C" {
00028 #endif
00029
00031 #define LDNS_MAX_LABELLEN 63
00032
00033 #define LDNS_MAX_DOMAINLEN 255
00034
00035 #define LDNS_MAX_POINTERS 65535
00036
00037 #define LDNS_RR_OVERHEAD 10
00038
00039
00040 #define LDNS_RDATA_FIELD_DESCRIPTORS_COMMON 52
00041
00042
00043
00047 enum ldns_enum_rr_class
00048 {
00050 LDNS_RR_CLASS_IN = 1,
00052 LDNS_RR_CLASS_CH = 3,
00054 LDNS_RR_CLASS_HS = 4,
00056 LDNS_RR_CLASS_NONE = 254,
00058 LDNS_RR_CLASS_ANY = 255,
00059
00060 LDNS_RR_CLASS_FIRST = 0,
00061 LDNS_RR_CLASS_LAST = 65535,
00062 LDNS_RR_CLASS_COUNT = LDNS_RR_CLASS_LAST - LDNS_RR_CLASS_FIRST + 1
00063 };
00064 typedef enum ldns_enum_rr_class ldns_rr_class;
00065
00069 enum ldns_enum_rr_compress
00070 {
00072 LDNS_RR_COMPRESS,
00073 LDNS_RR_NO_COMPRESS
00074 };
00075 typedef enum ldns_enum_rr_compress ldns_rr_compress;
00076
00080 enum ldns_enum_rr_type
00081 {
00083 LDNS_RR_TYPE_A = 1,
00085 LDNS_RR_TYPE_NS = 2,
00087 LDNS_RR_TYPE_MD = 3,
00089 LDNS_RR_TYPE_MF = 4,
00091 LDNS_RR_TYPE_CNAME = 5,
00093 LDNS_RR_TYPE_SOA = 6,
00095 LDNS_RR_TYPE_MB = 7,
00097 LDNS_RR_TYPE_MG = 8,
00099 LDNS_RR_TYPE_MR = 9,
00101 LDNS_RR_TYPE_NULL = 10,
00103 LDNS_RR_TYPE_WKS = 11,
00105 LDNS_RR_TYPE_PTR = 12,
00107 LDNS_RR_TYPE_HINFO = 13,
00109 LDNS_RR_TYPE_MINFO = 14,
00111 LDNS_RR_TYPE_MX = 15,
00113 LDNS_RR_TYPE_TXT = 16,
00115 LDNS_RR_TYPE_RP = 17,
00117 LDNS_RR_TYPE_AFSDB = 18,
00119 LDNS_RR_TYPE_X25 = 19,
00121 LDNS_RR_TYPE_ISDN = 20,
00123 LDNS_RR_TYPE_RT = 21,
00125 LDNS_RR_TYPE_NSAP = 22,
00127 LDNS_RR_TYPE_NSAP_PTR = 23,
00129 LDNS_RR_TYPE_SIG = 24,
00131 LDNS_RR_TYPE_KEY = 25,
00133 LDNS_RR_TYPE_PX = 26,
00135 LDNS_RR_TYPE_GPOS = 27,
00137 LDNS_RR_TYPE_AAAA = 28,
00139 LDNS_RR_TYPE_LOC = 29,
00141 LDNS_RR_TYPE_NXT = 30,
00143 LDNS_RR_TYPE_EID = 31,
00145 LDNS_RR_TYPE_NIMLOC = 32,
00147 LDNS_RR_TYPE_SRV = 33,
00149 LDNS_RR_TYPE_ATMA = 34,
00151 LDNS_RR_TYPE_NAPTR = 35,
00153 LDNS_RR_TYPE_KX = 36,
00155 LDNS_RR_TYPE_CERT = 37,
00157 LDNS_RR_TYPE_A6 = 38,
00159 LDNS_RR_TYPE_DNAME = 39,
00161 LDNS_RR_TYPE_SINK = 40,
00163 LDNS_RR_TYPE_OPT = 41,
00165 LDNS_RR_TYPE_APL = 42,
00167 LDNS_RR_TYPE_DS = 43,
00169 LDNS_RR_TYPE_SSHFP = 44,
00171 LDNS_RR_TYPE_IPSECKEY = 45,
00173 LDNS_RR_TYPE_RRSIG = 46,
00174 LDNS_RR_TYPE_NSEC = 47,
00175 LDNS_RR_TYPE_DNSKEY = 48,
00176
00177 LDNS_RR_TYPE_DHCID = 49,
00178
00179 LDNS_RR_TYPE_NSEC3 = 50,
00180 LDNS_RR_TYPE_NSEC3PARAM = 51,
00181 LDNS_RR_TYPE_NSEC3PARAMS = 51,
00182
00184 LDNS_RR_TYPE_TALINK = 58,
00185
00186 LDNS_RR_TYPE_SPF = 99,
00187
00188 LDNS_RR_TYPE_UINFO = 100,
00189 LDNS_RR_TYPE_UID = 101,
00190 LDNS_RR_TYPE_GID = 102,
00191 LDNS_RR_TYPE_UNSPEC = 103,
00192
00193 LDNS_RR_TYPE_TSIG = 250,
00194 LDNS_RR_TYPE_IXFR = 251,
00195 LDNS_RR_TYPE_AXFR = 252,
00197 LDNS_RR_TYPE_MAILB = 253,
00199 LDNS_RR_TYPE_MAILA = 254,
00201 LDNS_RR_TYPE_ANY = 255,
00202
00203
00204 LDNS_RR_TYPE_DLV = 32769,
00205
00206
00207
00208
00209 LDNS_RR_TYPE_FIRST = 0,
00210 LDNS_RR_TYPE_LAST = 65535,
00211 LDNS_RR_TYPE_COUNT = LDNS_RR_TYPE_LAST - LDNS_RR_TYPE_FIRST + 1
00212 };
00213 typedef enum ldns_enum_rr_type ldns_rr_type;
00214
00276 struct ldns_struct_rr
00277 {
00279 ldns_rdf *_owner;
00281 uint32_t _ttl;
00283 size_t _rd_count;
00285 ldns_rr_type _rr_type;
00287 ldns_rr_class _rr_class;
00288
00290 ldns_rdf **_rdata_fields;
00294 bool _rr_question;
00295 };
00296 typedef struct ldns_struct_rr ldns_rr;
00297
00304 struct ldns_struct_rr_list
00305 {
00306 size_t _rr_count;
00307 size_t _rr_capacity;
00308 ldns_rr **_rrs;
00309 };
00310 typedef struct ldns_struct_rr_list ldns_rr_list;
00311
00317 struct ldns_struct_rr_descriptor
00318 {
00320 ldns_rr_type _type;
00322 const char *_name;
00324 uint8_t _minimum;
00326 uint8_t _maximum;
00328 const ldns_rdf_type *_wireformat;
00330 ldns_rdf_type _variable;
00332 ldns_rr_compress _compress;
00334 uint8_t _dname_count;
00335 };
00336 typedef struct ldns_struct_rr_descriptor ldns_rr_descriptor;
00337
00342 ldns_rr* ldns_rr_new(void);
00343
00348 ldns_rr* ldns_rr_new_frm_type(ldns_rr_type t);
00349
00355 void ldns_rr_free(ldns_rr *rr);
00356
00373 ldns_status ldns_rr_new_frm_str(ldns_rr **n, const char *str,
00374 uint32_t default_ttl, ldns_rdf *origin,
00375 ldns_rdf **prev);
00376
00390 ldns_status ldns_rr_new_question_frm_str(ldns_rr **n, const char *str,
00391 ldns_rdf *origin, ldns_rdf **prev);
00392
00407 ldns_status ldns_rr_new_frm_fp(ldns_rr **rr, FILE *fp, uint32_t *default_ttl, ldns_rdf **origin, ldns_rdf **prev);
00408
00424 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);
00425
00432 void ldns_rr_set_owner(ldns_rr *rr, ldns_rdf *owner);
00433
00440 void ldns_rr_set_question(ldns_rr *rr, bool question);
00441
00448 void ldns_rr_set_ttl(ldns_rr *rr, uint32_t ttl);
00449
00456 void ldns_rr_set_rd_count(ldns_rr *rr, size_t count);
00457
00464 void ldns_rr_set_type(ldns_rr *rr, ldns_rr_type rr_type);
00465
00472 void ldns_rr_set_class(ldns_rr *rr, ldns_rr_class rr_class);
00473
00482 ldns_rdf* ldns_rr_set_rdf(ldns_rr *rr, const ldns_rdf *f, size_t position);
00483
00491 bool ldns_rr_push_rdf(ldns_rr *rr, const ldns_rdf *f);
00492
00499 ldns_rdf* ldns_rr_pop_rdf(ldns_rr *rr);
00500
00507 ldns_rdf* ldns_rr_rdf(const ldns_rr *rr, size_t nr);
00508
00514 ldns_rdf* ldns_rr_owner(const ldns_rr *rr);
00515
00521 bool ldns_rr_is_question(const ldns_rr *rr);
00522
00528 uint32_t ldns_rr_ttl(const ldns_rr *rr);
00529
00535 size_t ldns_rr_rd_count(const ldns_rr *rr);
00536
00542 ldns_rr_type ldns_rr_get_type(const ldns_rr *rr);
00543
00549 ldns_rr_class ldns_rr_get_class(const ldns_rr *rr);
00550
00551
00552
00558 size_t ldns_rr_list_rr_count(const ldns_rr_list *rr_list);
00559
00566 void ldns_rr_list_set_rr_count(ldns_rr_list *rr_list, size_t count);
00567
00576 ldns_rr * ldns_rr_list_set_rr(ldns_rr_list *rr_list, const ldns_rr *r, size_t count);
00577
00584 ldns_rr* ldns_rr_list_rr(const ldns_rr_list *rr_list, size_t nr);
00585
00590 ldns_rr_list* ldns_rr_list_new();
00591
00596 void ldns_rr_list_free(ldns_rr_list *rr_list);
00597
00602 void ldns_rr_list_deep_free(ldns_rr_list *rr_list);
00603
00611 bool ldns_rr_list_cat(ldns_rr_list *left, ldns_rr_list *right);
00612
00620 ldns_rr_list* ldns_rr_list_cat_clone(ldns_rr_list *left, ldns_rr_list *right);
00621
00628 bool ldns_rr_list_push_rr(ldns_rr_list *rr_list, const ldns_rr *rr);
00629
00636 bool ldns_rr_list_push_rr_list(ldns_rr_list *rr_list, const ldns_rr_list *push_list);
00637
00643 ldns_rr* ldns_rr_list_pop_rr(ldns_rr_list *rr_list);
00644
00651 ldns_rr_list* ldns_rr_list_pop_rr_list(ldns_rr_list *rr_list, size_t size);
00652
00660 bool ldns_rr_list_contains_rr(const ldns_rr_list *rr_list, ldns_rr *rr);
00661
00667 bool ldns_is_rrset(ldns_rr_list *rr_list);
00668
00675 bool ldns_rr_set_push_rr(ldns_rr_list *rr_list, ldns_rr *rr);
00676
00684 ldns_rr* ldns_rr_set_pop_rr(ldns_rr_list *rr_list);
00685
00691 ldns_rr_list *ldns_rr_list_pop_rrset(ldns_rr_list *rr_list);
00692
00693
00699 ldns_rr_type ldns_get_rr_type_by_name(const char *name);
00700
00706 ldns_rr_class ldns_get_rr_class_by_name(const char *name);
00707
00713 ldns_rr* ldns_rr_clone(const ldns_rr *rr);
00714
00720 ldns_rr_list* ldns_rr_list_clone(const ldns_rr_list *rrlist);
00721
00727 void ldns_rr_list_sort(ldns_rr_list *unsorted);
00728
00737 int ldns_rr_compare(const ldns_rr *rr1, const ldns_rr *rr2);
00738
00747 int ldns_rr_compare_no_rdata(const ldns_rr *rr1, const ldns_rr *rr2);
00748
00757 int ldns_rr_compare_wire(ldns_buffer *rr1_buf, ldns_buffer *rr2_buf);
00758
00767 bool ldns_rr_compare_ds(const ldns_rr *rr1, const ldns_rr *rr2);
00768
00777 int ldns_rr_list_compare(const ldns_rr_list *rrl1, const ldns_rr_list *rrl2);
00778
00784 size_t ldns_rr_uncompressed_size(const ldns_rr *r);
00785
00791 void ldns_rr2canonical(ldns_rr *rr);
00792
00798 void ldns_rr_list2canonical(ldns_rr_list *rr_list);
00799
00805 uint8_t ldns_rr_label_count(ldns_rr *rr);
00806
00813 const ldns_rr_descriptor *ldns_rr_descript(uint16_t type);
00814
00821 size_t ldns_rr_descriptor_minimum(const ldns_rr_descriptor *descriptor);
00822
00829 size_t ldns_rr_descriptor_maximum(const ldns_rr_descriptor *descriptor);
00830
00838 ldns_rdf_type ldns_rr_descriptor_field_type(const ldns_rr_descriptor *descriptor, size_t field);
00839
00851 ldns_rr_list *ldns_rr_list_subtype_by_rdf(ldns_rr_list *l, ldns_rdf *r, size_t pos);
00852
00861 ldns_rr_type ldns_rdf2rr_type(const ldns_rdf *rd);
00862
00870 ldns_rr_type
00871 ldns_rr_list_type(const ldns_rr_list *rr_list);
00872
00880 ldns_rdf *
00881 ldns_rr_list_owner(const ldns_rr_list *rr_list);
00882
00883 #ifdef __cplusplus
00884 }
00885 #endif
00886
00887 #endif