dname.h
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1/*
2 * dname.h
3 *
4 * dname definitions
5 *
6 * a Net::DNS like library for C
7 *
8 * (c) NLnet Labs, 2004-2006
9 *
10 * See the file LICENSE for the license
11 */
12
39#ifndef LDNS_DNAME_H
40#define LDNS_DNAME_H
41
42#include <ldns/common.h>
43#include <ldns/rdata.h>
44
45#ifdef __cplusplus
46extern "C" {
47#endif
48
49#define LDNS_DNAME_NORMALIZE tolower
50
57ldns_rdf *ldns_dname_cat_clone(const ldns_rdf *rd1, const ldns_rdf *rd2);
58
66
74
85ldns_dname_clone_from(const ldns_rdf *d, uint16_t n);
86
95
101uint8_t ldns_dname_label_count(const ldns_rdf *r);
102
108ldns_rdf *ldns_dname_new_frm_str(const char *str);
109
118ldns_rdf *ldns_dname_new(uint16_t s, void *data);
119
127ldns_rdf *ldns_dname_new_frm_data(uint16_t size, const void *data);
128
134void ldns_dname2canonical(const ldns_rdf *rdf);
135
144bool ldns_dname_is_subdomain(const ldns_rdf *sub, const ldns_rdf *parent);
145
153int ldns_dname_compare(const ldns_rdf *dname1, const ldns_rdf *dname2);
154int ldns_dname_compare_v(const void *, const void *);
155
165int ldns_dname_match_wildcard(const ldns_rdf *dname, const ldns_rdf *wildcard);
166
175int ldns_dname_interval(const ldns_rdf *prev, const ldns_rdf *middle, const ldns_rdf *next);
176
182bool ldns_dname_str_absolute(const char *dname_str);
183
189bool ldns_dname_absolute(const ldns_rdf *dname);
190
199ldns_rdf * ldns_dname_label(const ldns_rdf *rdf, uint8_t labelpos);
200
206int ldns_dname_is_wildcard(const ldns_rdf* dname);
207
208#ifdef __cplusplus
209}
210#endif
211
212#endif /* LDNS_DNAME_H */
Common definitions for LDNS.
ldns_rdf * ldns_dname_cat_clone(const ldns_rdf *rd1, const ldns_rdf *rd2)
concatenates two dnames together
Definition dname.c:52
int ldns_dname_is_wildcard(const ldns_rdf *dname)
Check if dname is a wildcard, starts with *.
Definition dname.c:456
ldns_rdf * ldns_dname_reverse(const ldns_rdf *d)
Returns a clone of the given dname with the labels reversed.
Definition dname.c:124
int ldns_dname_match_wildcard(const ldns_rdf *dname, const ldns_rdf *wildcard)
Checks whether the dname matches the given wildcard.
Definition dname.c:464
ldns_rdf * ldns_dname_new_frm_data(uint16_t size, const void *data)
Create a new dname rdf from data (the data is copied)
Definition dname.c:274
signed char ldns_dname_str_absolute(const char *dname_str)
Checks whether the given dname string is absolute (i.e.
Definition dname.c:518
signed char ldns_dname_is_subdomain(const ldns_rdf *sub, const ldns_rdf *parent)
test whether the name sub falls under parent (i.e.
Definition dname.c:296
int ldns_dname_compare(const ldns_rdf *dname1, const ldns_rdf *dname2)
Compares the two dname rdf's according to the algorithm for ordering in RFC4034 Section 6.
Definition dname.c:359
int ldns_dname_compare_v(const void *, const void *)
Given in dnssec_zone.c, also used in dnssec_sign.c:w.
signed char ldns_dname_absolute(const ldns_rdf *dname)
Checks whether the given dname is absolute (i.e.
Definition dname.c:548
ldns_rdf * ldns_dname_left_chop(const ldns_rdf *d)
chop one label off the left side of a dname.
Definition dname.c:189
ldns_rdf * ldns_dname_new(uint16_t s, void *data)
Create a new dname rdf from a string.
Definition dname.c:250
ldns_rdf * ldns_dname_clone_from(const ldns_rdf *d, uint16_t n)
Clones the given dname from the nth label on.
Definition dname.c:160
int ldns_dname_interval(const ldns_rdf *prev, const ldns_rdf *middle, const ldns_rdf *next)
check if middle lays in the interval defined by prev and next prev <= middle < next.
Definition dname.c:488
void ldns_dname2canonical(const ldns_rdf *rdf)
Put a dname into canonical fmt - ie.
Definition dname.c:280
ldns_rdf * ldns_dname_label(const ldns_rdf *rdf, uint8_t labelpos)
look inside the rdf and if it is an LDNS_RDF_TYPE_DNAME try and retrieve a specific label.
Definition dname.c:560
uint8_t ldns_dname_label_count(const ldns_rdf *r)
count the number of labels inside a LDNS_RDF_DNAME type rdf.
Definition dname.c:214
ldns_status ldns_dname_cat(ldns_rdf *rd1, const ldns_rdf *rd2)
concatenates rd2 after rd1 (rd2 is copied, rd1 is modified)
Definition dname.c:90
ldns_rdf * ldns_dname_new_frm_str(const char *str)
creates a new dname rdf from a string.
Definition dname.c:268
enum ldns_enum_status ldns_status
Definition error.h:148
Defines ldns_rdf and functions to manipulate those.
Resource record data field.
Definition rdata.h:197