Contains the definition of ldns_rr and functions to manipulate those. More...
Go to the source code of this file.
Data Structures | |
| struct | ldns_struct_rr |
| Resource Record. More... | |
| struct | ldns_struct_rr_list |
| List or Set of Resource Records. More... | |
| struct | ldns_struct_rr_descriptor |
| Contains all information about resource record types. More... | |
Macros | |
| #define | LDNS_MAX_LABELLEN 63 |
| Maximum length of a dname label. More... | |
| #define | LDNS_MAX_DOMAINLEN 255 |
| Maximum length of a complete dname. More... | |
| #define | LDNS_MAX_POINTERS 65535 |
| Maximum number of pointers in 1 dname. More... | |
| #define | LDNS_RR_OVERHEAD 10 |
| The bytes TTL, CLASS and length use up in an rr. More... | |
| #define | LDNS_RDATA_FIELD_DESCRIPTORS_COMMON (LDNS_RR_TYPE_AMTRELAY + 1) |
Typedefs | |
| typedef enum ldns_enum_rr_class | ldns_rr_class |
| typedef enum ldns_enum_rr_compress | ldns_rr_compress |
| typedef enum ldns_enum_rr_type | ldns_rr_type |
| typedef struct ldns_struct_rr | ldns_rr |
| typedef struct ldns_struct_rr_list | ldns_rr_list |
| typedef struct ldns_struct_rr_descriptor | ldns_rr_descriptor |
Functions | |
| 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. More... | |
| 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. More... | |
| ldns_rr * | ldns_rr_new (void) |
| creates a new rr structure. More... | |
| ldns_rr * | ldns_rr_new_frm_type (ldns_rr_type t) |
| creates a new rr structure, based on the given type. More... | |
| void | ldns_rr_free (ldns_rr *rr) |
| frees an RR structure More... | |
| 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. More... | |
| 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. More... | |
| 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. More... | |
| 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. More... | |
| void | ldns_rr_set_owner (ldns_rr *rr, ldns_rdf *owner) |
| sets the owner in the rr structure. More... | |
| void | ldns_rr_set_question (ldns_rr *rr, bool question) |
| sets the question flag in the rr structure. More... | |
| void | ldns_rr_set_ttl (ldns_rr *rr, uint32_t ttl) |
| sets the ttl in the rr structure. More... | |
| void | ldns_rr_set_rd_count (ldns_rr *rr, size_t count) |
| sets the rd_count in the rr. More... | |
| void | ldns_rr_set_type (ldns_rr *rr, ldns_rr_type rr_type) |
| sets the type in the rr. More... | |
| void | ldns_rr_set_class (ldns_rr *rr, ldns_rr_class rr_class) |
| sets the class in the rr. More... | |
| 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. More... | |
| bool | ldns_rr_push_rdf (ldns_rr *rr, const ldns_rdf *f) |
| sets rd_field member, it will be placed in the next available spot. More... | |
| ldns_rdf * | ldns_rr_pop_rdf (ldns_rr *rr) |
| removes a rd_field member, it will be popped from the last position. More... | |
| ldns_rdf * | ldns_rr_rdf (const ldns_rr *rr, size_t nr) |
| returns the rdata field member counter. More... | |
| ldns_rdf * | ldns_rr_owner (const ldns_rr *rr) |
| returns the owner name of an rr structure. More... | |
| bool | ldns_rr_is_question (const ldns_rr *rr) |
| returns the question flag of an rr structure. More... | |
| uint32_t | ldns_rr_ttl (const ldns_rr *rr) |
| returns the ttl of an rr structure. More... | |
| size_t | ldns_rr_rd_count (const ldns_rr *rr) |
| returns the rd_count of an rr structure. More... | |
| ldns_rr_type | ldns_rr_get_type (const ldns_rr *rr) |
| returns the type of the rr. More... | |
| ldns_rr_class | ldns_rr_get_class (const ldns_rr *rr) |
| returns the class of the rr. More... | |
| size_t | ldns_rr_list_rr_count (const ldns_rr_list *rr_list) |
| returns the number of rr's in an rr_list. More... | |
| 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. More... | |
| 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 More... | |
| ldns_rr * | ldns_rr_list_rr (const ldns_rr_list *rr_list, size_t nr) |
| returns a specific rr of an rrlist. More... | |
| ldns_rr_list * | ldns_rr_list_new (void) |
| creates a new rr_list structure. More... | |
| void | ldns_rr_list_free (ldns_rr_list *rr_list) |
| frees an rr_list structure. More... | |
| void | ldns_rr_list_deep_free (ldns_rr_list *rr_list) |
| frees an rr_list structure and all rrs contained therein. More... | |
| bool | ldns_rr_list_cat (ldns_rr_list *left, const ldns_rr_list *right) |
| concatenates two ldns_rr_lists together. More... | |
| 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). More... | |
| bool | ldns_rr_list_push_rr (ldns_rr_list *rr_list, const ldns_rr *rr) |
| pushes an rr to an rrlist. More... | |
| bool | ldns_rr_list_push_rr_list (ldns_rr_list *rr_list, const ldns_rr_list *push_list) |
| pushes an rr_list to an rrlist. More... | |
| ldns_rr * | ldns_rr_list_pop_rr (ldns_rr_list *rr_list) |
| pops the last rr from an rrlist. More... | |
| 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. More... | |
| bool | 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 More... | |
| bool | ldns_is_rrset (const ldns_rr_list *rr_list) |
| checks if an rr_list is a rrset. More... | |
| bool | 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). More... | |
| ldns_rr * | ldns_rr_set_pop_rr (ldns_rr_list *rr_list) |
| pops the last rr from an rrset. More... | |
| 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 next to each other More... | |
| ldns_rr_type | ldns_get_rr_type_by_name (const char *name) |
| retrieves a rrtype by looking up its name. More... | |
| ldns_rr_class | ldns_get_rr_class_by_name (const char *name) |
| retrieves a class by looking up its name. More... | |
| ldns_rr * | ldns_rr_clone (const ldns_rr *rr) |
| clones a rr and all its data More... | |
| ldns_rr_list * | ldns_rr_list_clone (const ldns_rr_list *rrlist) |
| clones an rrlist. More... | |
| void | ldns_rr_list_sort (ldns_rr_list *unsorted) |
| sorts an rr_list (canonical wire format). More... | |
| int | ldns_rr_compare (const ldns_rr *rr1, const ldns_rr *rr2) |
| compares two rrs. More... | |
| int | ldns_rr_compare_no_rdata (const ldns_rr *rr1, const ldns_rr *rr2) |
| compares two rrs, up to the rdata. More... | |
| 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. More... | |
| bool | ldns_rr_compare_ds (const ldns_rr *rr1, const ldns_rr *rr2) |
| returns true of the given rr's are equal. More... | |
| int | ldns_rr_list_compare (const ldns_rr_list *rrl1, const ldns_rr_list *rrl2) |
| compares two rr lists. More... | |
| size_t | ldns_rr_uncompressed_size (const ldns_rr *r) |
| calculates the uncompressed size of an RR. More... | |
| void | ldns_rr2canonical (ldns_rr *rr) |
| converts each dname in a rr to its canonical form. More... | |
| void | ldns_rr_list2canonical (const ldns_rr_list *rr_list) |
| converts each dname in each rr in a rr_list to its canonical form. More... | |
| uint8_t | ldns_rr_label_count (const ldns_rr *rr) |
| counts the number of labels of the ownername. More... | |
| const ldns_rr_descriptor * | ldns_rr_descript (uint16_t type) |
| returns the resource record descriptor for the given rr type. More... | |
| 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. More... | |
| 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. More... | |
| 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. More... | |
| 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. More... | |
| 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. More... | |
| 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. More... | |
| 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, NULL is returned. More... | |
Contains the definition of ldns_rr and functions to manipulate those.
Definition in file rr.h.
| #define LDNS_MAX_DOMAINLEN 255 |
| #define LDNS_MAX_POINTERS 65535 |
| #define LDNS_RR_OVERHEAD 10 |
| #define LDNS_RDATA_FIELD_DESCRIPTORS_COMMON (LDNS_RR_TYPE_AMTRELAY + 1) |
| typedef enum ldns_enum_rr_class ldns_rr_class |
| typedef enum ldns_enum_rr_compress ldns_rr_compress |
| typedef enum ldns_enum_rr_type ldns_rr_type |
| typedef struct ldns_struct_rr ldns_rr |
| typedef struct ldns_struct_rr_list ldns_rr_list |
| typedef struct ldns_struct_rr_descriptor ldns_rr_descriptor |
| enum ldns_enum_rr_class |
| enum ldns_enum_rr_type |
The different RR types.
| ldns_status ldns_rdf_bitmap_known_rr_types_space | ( | ldns_rdf ** | rdf | ) |
| ldns_status ldns_rdf_bitmap_known_rr_types | ( | ldns_rdf ** | rdf | ) |
| ldns_rr* ldns_rr_new | ( | void | ) |
creates a new rr structure.
Definition at line 30 of file rr.c.
References ldns_struct_rr::_rdata_fields, LDNS_DEFAULT_TTL, LDNS_MALLOC, LDNS_RR_CLASS_IN, ldns_rr_set_class(), ldns_rr_set_owner(), ldns_rr_set_question(), ldns_rr_set_rd_count(), and ldns_rr_set_ttl().
| ldns_rr* ldns_rr_new_frm_type | ( | ldns_rr_type | t | ) |
creates a new rr structure, based on the given type.
alloc enough space to hold all the rdf's
Definition at line 48 of file rr.c.
References ldns_struct_rr::_rdata_fields, LDNS_DEFAULT_TTL, LDNS_FREE, LDNS_MALLOC, LDNS_RR_CLASS_IN, ldns_rr_descript(), ldns_rr_descriptor_minimum(), ldns_rr_set_class(), ldns_rr_set_owner(), ldns_rr_set_question(), ldns_rr_set_rd_count(), ldns_rr_set_ttl(), ldns_rr_set_type(), and LDNS_XMALLOC.
| void ldns_rr_free | ( | ldns_rr * | rr | ) |
frees an RR structure
| [in] | *rr | the RR to be freed |
Definition at line 81 of file rr.c.
References ldns_struct_rr::_rdata_fields, LDNS_FREE, ldns_rdf_deep_free(), ldns_rr_owner(), ldns_rr_rd_count(), and ldns_rr_rdf().
| 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.
The string should be a fully filled-in rr, like ownername <space> TTL <space> CLASS <space> TYPE <space> RDATA.
| [out] | n | the rr to return |
| [in] | str | the string to convert |
| [in] | default_ttl | default ttl value for the rr. If 0 DEF_TTL will be used |
| [in] | origin | when the owner is relative add this. The caller must ldns_rdf_deep_free it. |
| [out] | prev | the previous ownername. if this value is not NULL, the function overwrites this with the ownername found in this string. The caller must then ldns_rdf_deep_free it. |
| 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.
without RDATA fields Origin and previous RR functionality are the same as in ldns_rr_new_frm_str()
| [out] | n | the rr to return |
| [in] | str | the string to convert |
| [in] | origin | when the owner is relative add this. The caller must ldns_rdf_deep_free it. |
| prev | the previous ownername. the function overwrite this with the current found ownername. The caller must ldns_rdf_deep_free it. |
| 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.
| [out] | rr | the new rr |
| [in] | fp | the file pointer to use |
| [in] | default_ttl | pointer to a default ttl for the rr. If NULL DEF_TTL will be used the pointer will be updated if the file contains a $TTL directive |
| [in] | origin | when the owner is relative add this the pointer will be updated if the file contains a $ORIGIN directive The caller must ldns_rdf_deep_free it. |
| [in] | prev | when the owner is whitespaces use this as the * ownername the pointer will be updated after the call The caller must ldns_rdf_deep_free it. |
Definition at line 719 of file rr.c.
References ldns_rr_new_frm_fp_l().
| 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.
| [out] | rr | the new rr |
| [in] | fp | the file pointer to use |
| [in] | default_ttl | a default ttl for the rr. If NULL DEF_TTL will be used the pointer will be updated if the file contains a $TTL directive |
| [in] | origin | when the owner is relative add this the pointer will be updated if the file contains a $ORIGIN directive The caller must ldns_rdf_deep_free it. |
| [in] | line_nr | pointer to an integer containing the current line number (for debugging purposes) |
| [in] | prev | when the owner is whitespaces use this as the * ownername the pointer will be updated after the call The caller must ldns_rdf_deep_free it. |
Definition at line 796 of file rr.c.
References _ldns_rr_new_frm_fp_l_internal().
sets the owner in the rr structure.
| [in] | *rr | rr to operate on |
| [in] | *owner | set to this owner |
Definition at line 804 of file rr.c.
References ldns_struct_rr::_owner.
sets the question flag in the rr structure.
| [in] | *rr | rr to operate on |
| [in] | question | question flag |
Definition at line 810 of file rr.c.
References ldns_struct_rr::_rr_question.
| void ldns_rr_set_ttl | ( | ldns_rr * | rr, |
| uint32_t | ttl | ||
| ) |
sets the ttl in the rr structure.
| [in] | *rr | rr to operate on |
| [in] | ttl | set to this ttl |
Definition at line 816 of file rr.c.
References ldns_struct_rr::_ttl.
| void ldns_rr_set_rd_count | ( | ldns_rr * | rr, |
| size_t | count | ||
| ) |
sets the rd_count in the rr.
| [in] | *rr | rr to operate on |
| [in] | count | set to this count |
Definition at line 822 of file rr.c.
References ldns_struct_rr::_rd_count.
| void ldns_rr_set_type | ( | ldns_rr * | rr, |
| ldns_rr_type | rr_type | ||
| ) |
sets the type in the rr.
| [in] | *rr | rr to operate on |
| [in] | rr_type | set to this type |
Definition at line 828 of file rr.c.
References ldns_struct_rr::_rr_type.
| void ldns_rr_set_class | ( | ldns_rr * | rr, |
| ldns_rr_class | rr_class | ||
| ) |
sets the class in the rr.
| [in] | *rr | rr to operate on |
| [in] | rr_class | set to this class |
Definition at line 834 of file rr.c.
References ldns_struct_rr::_rr_class.
sets a rdf member, it will be set on the position given.
The old value is returned, like pop.
| [in] | *rr | the rr to operate on |
| [in] | *f | the rdf to set |
| [in] | position | the position the set the rdf |
Definition at line 840 of file rr.c.
References ldns_struct_rr::_rdata_fields, and ldns_rr_rd_count().
sets rd_field member, it will be placed in the next available spot.
| [in] | *rr | rr to operate on |
| [in] | *f | the data field member to set |
Definition at line 857 of file rr.c.
References ldns_struct_rr::_rdata_fields, ldns_rr_rd_count(), ldns_rr_set_rd_count(), and LDNS_XREALLOC.
removes a rd_field member, it will be popped from the last position.
| [in] | *rr | rr to operate on |
Definition at line 880 of file rr.c.
References ldns_struct_rr::_rdata_fields, LDNS_FREE, ldns_rr_rd_count(), ldns_rr_set_rd_count(), and LDNS_XREALLOC.
returns the rdata field member counter.
| [in] | *rr | rr to operate on |
| [in] | nr | the number of the rdf to return |
Definition at line 909 of file rr.c.
References ldns_struct_rr::_rdata_fields, and ldns_rr_rd_count().
returns the owner name of an rr structure.
| [in] | *rr | rr to operate on |
Definition at line 919 of file rr.c.
References ldns_struct_rr::_owner.
returns the question flag of an rr structure.
| [in] | *rr | rr to operate on |
Definition at line 925 of file rr.c.
References ldns_struct_rr::_rr_question.
| uint32_t ldns_rr_ttl | ( | const ldns_rr * | rr | ) |
returns the ttl of an rr structure.
| [in] | *rr | the rr to read from |
Definition at line 931 of file rr.c.
References ldns_struct_rr::_ttl.
| size_t ldns_rr_rd_count | ( | const ldns_rr * | rr | ) |
returns the rd_count of an rr structure.
| [in] | *rr | the rr to read from |
Definition at line 937 of file rr.c.
References ldns_struct_rr::_rd_count.
| ldns_rr_type ldns_rr_get_type | ( | const ldns_rr * | rr | ) |
returns the type of the rr.
| [in] | *rr | the rr to read from |
Definition at line 943 of file rr.c.
References ldns_struct_rr::_rr_type.
| ldns_rr_class ldns_rr_get_class | ( | const ldns_rr * | rr | ) |
returns the class of the rr.
| [in] | *rr | the rr to read from |
Definition at line 949 of file rr.c.
References ldns_struct_rr::_rr_class.
| size_t ldns_rr_list_rr_count | ( | const ldns_rr_list * | rr_list | ) |
returns the number of rr's in an rr_list.
| [in] | rr_list | the rr_list to read from |
Definition at line 957 of file rr.c.
References ldns_struct_rr_list::_rr_count.
| 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.
| [in] | rr_list | the rr_list to set the count on |
| [in] | count | the number of rr in this list |
Definition at line 983 of file rr.c.
References ldns_struct_rr_list::_rr_count.
| 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
| [in] | rr_list | the rr_list to use |
| [in] | r | the rr to set |
| [in] | count | index into the rr_list |
Definition at line 967 of file rr.c.
References ldns_struct_rr_list::_rrs, ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| ldns_rr* ldns_rr_list_rr | ( | const ldns_rr_list * | rr_list, |
| size_t | nr | ||
| ) |
returns a specific rr of an rrlist.
| [in] | rr_list | the rr_list to read from |
| [in] | nr | return this rr |
Definition at line 990 of file rr.c.
References ldns_struct_rr_list::_rrs, and ldns_rr_list_rr_count().
| ldns_rr_list* ldns_rr_list_new | ( | void | ) |
creates a new rr_list structure.
Definition at line 1000 of file rr.c.
References ldns_struct_rr_list::_rr_capacity, ldns_struct_rr_list::_rr_count, ldns_struct_rr_list::_rrs, and LDNS_MALLOC.
| void ldns_rr_list_free | ( | ldns_rr_list * | rr_list | ) |
frees an rr_list structure.
| [in] | rr_list | the list to free |
Definition at line 1011 of file rr.c.
References ldns_struct_rr_list::_rrs, and LDNS_FREE.
| void ldns_rr_list_deep_free | ( | ldns_rr_list * | rr_list | ) |
frees an rr_list structure and all rrs contained therein.
| [in] | rr_list | the list to free |
Definition at line 1020 of file rr.c.
References ldns_struct_rr_list::_rrs, LDNS_FREE, ldns_rr_free(), ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| bool ldns_rr_list_cat | ( | ldns_rr_list * | left, |
| const ldns_rr_list * | right | ||
| ) |
concatenates two ldns_rr_lists together.
This modifies *left (to extend it and add the pointers from *right).
| [in] | left | the leftside |
| [in] | right | the rightside |
Definition at line 1036 of file rr.c.
References ldns_rr_list_push_rr(), ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| 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).
| [in] | left | the leftside |
| [in] | right | the rightside |
Definition at line 1059 of file rr.c.
References ldns_rr_clone(), ldns_rr_list_clone(), ldns_rr_list_new(), ldns_rr_list_push_rr(), ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| bool ldns_rr_list_push_rr | ( | ldns_rr_list * | rr_list, |
| const ldns_rr * | rr | ||
| ) |
pushes an rr to an rrlist.
| [in] | rr_list | the rr_list to push to |
| [in] | rr | the rr to push |
Definition at line 1132 of file rr.c.
References ldns_struct_rr_list::_rr_capacity, ldns_struct_rr_list::_rrs, ldns_rr_list_rr_count(), ldns_rr_list_set_rr_count(), LDNS_RRLIST_INIT, and LDNS_XREALLOC.
| bool ldns_rr_list_push_rr_list | ( | ldns_rr_list * | rr_list, |
| const ldns_rr_list * | push_list | ||
| ) |
pushes an rr_list to an rrlist.
| [in] | rr_list | the rr_list to push to |
| [in] | push_list | the rr_list to push |
Definition at line 1163 of file rr.c.
References ldns_rr_list_push_rr(), ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| ldns_rr* ldns_rr_list_pop_rr | ( | ldns_rr_list * | rr_list | ) |
pops the last rr from an rrlist.
| [in] | rr_list | the rr_list to pop from |
Definition at line 1177 of file rr.c.
References ldns_struct_rr_list::_rr_capacity, ldns_struct_rr_list::_rrs, ldns_rr_list_rr(), ldns_rr_list_rr_count(), ldns_rr_list_set_rr_count(), LDNS_RRLIST_INIT, and LDNS_XREALLOC.
| 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.
| [in] | rr_list | the rr_list to pop from |
| [in] | size | the number of rr's to pop |
Definition at line 1210 of file rr.c.
References ldns_rr_list_free(), ldns_rr_list_new(), ldns_rr_list_pop_rr(), and ldns_rr_list_push_rr().
| bool 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
| [in] | rr_list | the rr_list to check |
| [in] | rr | the rr to check |
Definition at line 1240 of file rr.c.
References ldns_rr_compare(), ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| bool ldns_is_rrset | ( | const ldns_rr_list * | rr_list | ) |
checks if an rr_list is a rrset.
| [in] | rr_list | the rr_list to check |
Definition at line 1259 of file rr.c.
References ldns_rdf_compare(), ldns_rr_get_class(), ldns_rr_get_type(), ldns_rr_list_rr(), ldns_rr_list_rr_count(), and ldns_rr_owner().
| bool 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).
| [in] | *rr_list | the rrset to push the rr to |
| [in] | *rr | the rr to push |
Definition at line 1294 of file rr.c.
References ldns_rdf_compare(), ldns_rr_compare(), ldns_rr_get_class(), ldns_rr_get_type(), ldns_rr_list_push_rr(), ldns_rr_list_rr(), ldns_rr_list_rr_count(), ldns_rr_owner(), ldns_rr_ttl(), and LDNS_RR_TYPE_RRSIG.
| ldns_rr* ldns_rr_set_pop_rr | ( | ldns_rr_list * | rr_list | ) |
pops the last rr from an rrset.
This function is there only for the symmetry.
| [in] | rr_list | the rr_list to pop from |
Definition at line 1342 of file rr.c.
References ldns_rr_list_pop_rr().
| 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 next to each other
Definition at line 1348 of file rr.c.
References ldns_rdf_compare(), ldns_rr_get_class(), ldns_rr_get_type(), ldns_rr_list_free(), ldns_rr_list_new(), ldns_rr_list_pop_rr(), ldns_rr_list_push_rr(), ldns_rr_list_rr(), ldns_rr_list_rr_count(), and ldns_rr_owner().
| ldns_rr_type ldns_get_rr_type_by_name | ( | const char * | name | ) |
retrieves a rrtype by looking up its name.
| [in] | name | a string with the name |
Definition at line 2690 of file rr.c.
References ldns_struct_rr_descriptor::_name, ldns_struct_rr_descriptor::_type, and LDNS_RDATA_FIELD_DESCRIPTORS_COUNT.
| ldns_rr_class ldns_get_rr_class_by_name | ( | const char * | name | ) |
retrieves a class by looking up its name.
| [in] | name | string with the name |
Definition at line 2730 of file rr.c.
References ldns_struct_lookup_table::id, ldns_lookup_by_name(), and ldns_rr_classes.
clones a rr and all its data
| [in] | rr | the rr to clone |
Definition at line 1400 of file rr.c.
References ldns_rdf_clone(), ldns_rr_get_class(), ldns_rr_get_type(), ldns_rr_is_question(), ldns_rr_new(), ldns_rr_owner(), ldns_rr_push_rdf(), ldns_rr_rd_count(), ldns_rr_rdf(), ldns_rr_set_class(), ldns_rr_set_owner(), ldns_rr_set_question(), ldns_rr_set_ttl(), ldns_rr_set_type(), and ldns_rr_ttl().
| ldns_rr_list* ldns_rr_list_clone | ( | const ldns_rr_list * | rrlist | ) |
clones an rrlist.
| [in] | rrlist | the rrlist to clone |
Definition at line 1431 of file rr.c.
References ldns_rr_clone(), ldns_rr_list_deep_free(), ldns_rr_list_new(), ldns_rr_list_push_rr(), ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| void ldns_rr_list_sort | ( | ldns_rr_list * | unsorted | ) |
sorts an rr_list (canonical wire format).
the sorting is done inband.
| [in] | unsorted | the rr_list to be sorted |
Definition at line 1516 of file rr.c.
References LDNS_FREE, ldns_rr_list_rr(), ldns_rr_list_rr_count(), LDNS_XMALLOC, ldns_schwartzian_compare_struct::original_object, and ldns_schwartzian_compare_struct::transformed_object.
compares two rrs.
The TTL is not looked at.
| [in] | rr1 | the first one |
| [in] | rr2 | the second one |
Definition at line 1638 of file rr.c.
References ldns_buffer_free(), ldns_buffer_new(), ldns_rr2buffer_wire_canonical(), ldns_rr_compare_no_rdata(), ldns_rr_compare_wire(), ldns_rr_uncompressed_size(), LDNS_SECTION_ANY, and LDNS_STATUS_OK.
compares two rrs, up to the rdata.
| [in] | rr1 | the first one |
| [in] | rr2 | the second one |
Definition at line 1559 of file rr.c.
References ldns_dname_compare(), ldns_rdf_size(), ldns_rr_get_class(), ldns_rr_get_type(), ldns_rr_owner(), and ldns_rr_uncompressed_size().
| int ldns_rr_compare_wire | ( | const ldns_buffer * | rr1_buf, |
| const ldns_buffer * | rr2_buf | ||
| ) |
returns true of the given rr's are equal.
Also returns true if one record is a DS that represents the same DNSKEY record as the other record
| [in] | rr1 | the first rr |
| [in] | rr2 | the second rr |
Definition at line 1710 of file rr.c.
References ldns_rr_clone(), ldns_rr_get_type(), ldns_rr_set_ttl(), LDNS_RR_TYPE_DNSKEY, and LDNS_RR_TYPE_DS.
| int ldns_rr_list_compare | ( | const ldns_rr_list * | rrl1, |
| const ldns_rr_list * | rrl2 | ||
| ) |
compares two rr lists.
| [in] | rrl1 | the first one |
| [in] | rrl2 | the second one |
Definition at line 1737 of file rr.c.
References ldns_rr_compare(), ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| size_t ldns_rr_uncompressed_size | ( | const ldns_rr * | r | ) |
calculates the uncompressed size of an RR.
| [in] | r | the rr to operate on |
Definition at line 1764 of file rr.c.
References ldns_rdf_size(), LDNS_RR_OVERHEAD, ldns_rr_owner(), ldns_rr_rd_count(), and ldns_rr_rdf().
| void ldns_rr2canonical | ( | ldns_rr * | rr | ) |
converts each dname in a rr to its canonical form.
| [in] | rr | the rr to work on |
Definition at line 1781 of file rr.c.
References ldns_dname2canonical(), ldns_rr_get_type(), ldns_rr_owner(), ldns_rr_rd_count(), ldns_rr_rdf(), LDNS_RR_TYPE_A6, LDNS_RR_TYPE_AFSDB, LDNS_RR_TYPE_CNAME, LDNS_RR_TYPE_DNAME, LDNS_RR_TYPE_KX, LDNS_RR_TYPE_MB, LDNS_RR_TYPE_MD, LDNS_RR_TYPE_MF, LDNS_RR_TYPE_MG, LDNS_RR_TYPE_MINFO, LDNS_RR_TYPE_MR, LDNS_RR_TYPE_MX, LDNS_RR_TYPE_NAPTR, LDNS_RR_TYPE_NS, LDNS_RR_TYPE_NXT, LDNS_RR_TYPE_PTR, LDNS_RR_TYPE_PX, LDNS_RR_TYPE_RP, LDNS_RR_TYPE_RRSIG, LDNS_RR_TYPE_RT, LDNS_RR_TYPE_SIG, LDNS_RR_TYPE_SOA, and LDNS_RR_TYPE_SRV.
| void ldns_rr_list2canonical | ( | const ldns_rr_list * | rr_list | ) |
converts each dname in each rr in a rr_list to its canonical form.
| [in] | rr_list | the rr_list to work on |
Definition at line 1833 of file rr.c.
References ldns_rr2canonical(), ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| uint8_t ldns_rr_label_count | ( | const ldns_rr * | rr | ) |
counts the number of labels of the ownername.
| [in] | rr | count the labels of this rr |
Definition at line 1842 of file rr.c.
References ldns_dname_label_count(), and ldns_rr_owner().
| const ldns_rr_descriptor* ldns_rr_descript | ( | uint16_t | type | ) |
returns the resource record descriptor for the given rr type.
| [in] | type | the type value of the rr type |
Definition at line 2632 of file rr.c.
References LDNS_RDATA_FIELD_DESCRIPTORS_COMMON, and LDNS_RDATA_FIELD_DESCRIPTORS_COUNT.
| 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.
| [in] | descriptor | for an rr type |
Definition at line 2651 of file rr.c.
References ldns_struct_rr_descriptor::_minimum.
| 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.
| [in] | descriptor | for an rr type |
Definition at line 2661 of file rr.c.
References ldns_struct_rr_descriptor::_maximum, ldns_struct_rr_descriptor::_variable, and LDNS_RDF_TYPE_NONE.
| 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.
| [in] | descriptor | for an rr type |
| [in] | field | the field number |
Definition at line 2676 of file rr.c.
References ldns_struct_rr_descriptor::_variable, ldns_struct_rr_descriptor::_wireformat, and LDNS_RDF_TYPE_NONE.
| 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.
Think type-covered stuff for RRSIG
| [in] | l | the rr_list to look in |
| [in] | r | the rdf to use for the comparison |
| [in] | pos | at which position can we find the rdf |
Definition at line 1098 of file rr.c.
References ldns_rdf_compare(), ldns_rr_clone(), ldns_rr_list_deep_free(), ldns_rr_list_free(), ldns_rr_list_new(), ldns_rr_list_push_rr(), ldns_rr_list_rr(), ldns_rr_list_rr_count(), and ldns_rr_rdf().
| 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.
This is useful in the case when inspecting the rrtype covered field of an RRSIG.
| [in] | rd | the rdf to look at |
Definition at line 2750 of file rr.c.
References ldns_rdf2native_int16(), ldns_rdf_get_type(), and LDNS_RDF_TYPE_TYPE.
| 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.
| [in] | rr_list | The rr list |
Definition at line 2767 of file rr.c.
References ldns_rr_get_type(), ldns_rr_list_rr(), and ldns_rr_list_rr_count().
| 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, NULL is returned.
| [in] | rr_list | The rr list |
Definition at line 2777 of file rr.c.
References ldns_rr_list_rr(), ldns_rr_list_rr_count(), and ldns_rr_owner().