/usr/include/ldns/rr_functions.h is in libldns-dev 1.6.11-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* rr_functions.h
*
* the .h file with defs for the per rr
* functions
*
* a Net::DNS like library for C
*
* (c) NLnet Labs, 2005-2006
*
* See the file LICENSE for the license
*/
#ifndef LDNS_RR_FUNCTIONS_H
#define LDNS_RR_FUNCTIONS_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* \file
*
* Defines some extra convenience functions for ldns_rr structures
*/
/* A / AAAA */
/**
* returns the address of a LDNS_RR_TYPE_A rr
* \param[in] r the resource record
* \return a ldns_rdf* with the address or NULL on failure
*/
ldns_rdf* ldns_rr_a_address(const ldns_rr *r);
/**
* sets the address of a LDNS_RR_TYPE_A rr
* \param[in] r the rr to use
* \param[in] f the address to set
* \return true on success, false otherwise
*/
bool ldns_rr_a_set_address(ldns_rr *r, ldns_rdf *f);
/* NS */
/**
* returns the name of a LDNS_RR_TYPE_NS rr
* \param[in] r the resource record
* \return a ldns_rdf* with the name or NULL on failure
*/
ldns_rdf* ldns_rr_ns_nsdname(const ldns_rr *r);
/* MX */
/**
* returns the mx pref. of a LDNS_RR_TYPE_MX rr
* \param[in] r the resource record
* \return a ldns_rdf* with the preference or NULL on failure
*/
ldns_rdf* ldns_rr_mx_preference(const ldns_rr *r);
/**
* returns the mx host of a LDNS_RR_TYPE_MX rr
* \param[in] r the resource record
* \return a ldns_rdf* with the name of the MX host or NULL on failure
*/
ldns_rdf* ldns_rr_mx_exchange(const ldns_rr *r);
/* RRSIG */
/**
* returns the type covered of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the resource record
* \return a ldns_rdf* with the type covered or NULL on failure
*/
ldns_rdf* ldns_rr_rrsig_typecovered(const ldns_rr *r);
/**
* sets the typecovered of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the rr to use
* \param[in] f the typecovered to set
* \return true on success, false otherwise
*/
bool ldns_rr_rrsig_set_typecovered(ldns_rr *r, ldns_rdf *f);
/**
* returns the algorithm of a LDNS_RR_TYPE_RRSIG RR
* \param[in] r the resource record
* \return a ldns_rdf* with the algorithm or NULL on failure
*/
ldns_rdf* ldns_rr_rrsig_algorithm(const ldns_rr *r);
/**
* sets the algorithm of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the rr to use
* \param[in] f the algorithm to set
* \return true on success, false otherwise
*/
bool ldns_rr_rrsig_set_algorithm(ldns_rr *r, ldns_rdf *f);
/**
* returns the number of labels of a LDNS_RR_TYPE_RRSIG RR
* \param[in] r the resource record
* \return a ldns_rdf* with the number of labels or NULL on failure
*/
ldns_rdf *ldns_rr_rrsig_labels(const ldns_rr *r);
/**
* sets the number of labels of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the rr to use
* \param[in] f the number of labels to set
* \return true on success, false otherwise
*/
bool ldns_rr_rrsig_set_labels(ldns_rr *r, ldns_rdf *f);
/**
* returns the original TTL of a LDNS_RR_TYPE_RRSIG RR
* \param[in] r the resource record
* \return a ldns_rdf* with the original TTL or NULL on failure
*/
ldns_rdf* ldns_rr_rrsig_origttl(const ldns_rr *r);
/**
* sets the original TTL of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the rr to use
* \param[in] f the original TTL to set
* \return true on success, false otherwise
*/
bool ldns_rr_rrsig_set_origttl(ldns_rr *r, ldns_rdf *f);
/**
* returns the expiration time of a LDNS_RR_TYPE_RRSIG RR
* \param[in] r the resource record
* \return a ldns_rdf* with the expiration time or NULL on failure
*/
ldns_rdf* ldns_rr_rrsig_expiration(const ldns_rr *r);
/**
* sets the expireation date of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the rr to use
* \param[in] f the expireation date to set
* \return true on success, false otherwise
*/
bool ldns_rr_rrsig_set_expiration(ldns_rr *r, ldns_rdf *f);
/**
* returns the inception time of a LDNS_RR_TYPE_RRSIG RR
* \param[in] r the resource record
* \return a ldns_rdf* with the inception time or NULL on failure
*/
ldns_rdf* ldns_rr_rrsig_inception(const ldns_rr *r);
/**
* sets the inception date of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the rr to use
* \param[in] f the inception date to set
* \return true on success, false otherwise
*/
bool ldns_rr_rrsig_set_inception(ldns_rr *r, ldns_rdf *f);
/**
* returns the keytag of a LDNS_RR_TYPE_RRSIG RR
* \param[in] r the resource record
* \return a ldns_rdf* with the keytag or NULL on failure
*/
ldns_rdf* ldns_rr_rrsig_keytag(const ldns_rr *r);
/**
* sets the keytag of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the rr to use
* \param[in] f the keytag to set
* \return true on success, false otherwise
*/
bool ldns_rr_rrsig_set_keytag(ldns_rr *r, ldns_rdf *f);
/**
* returns the signers name of a LDNS_RR_TYPE_RRSIG RR
* \param[in] r the resource record
* \return a ldns_rdf* with the signers name or NULL on failure
*/
ldns_rdf* ldns_rr_rrsig_signame(const ldns_rr *r);
/**
* sets the signers name of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the rr to use
* \param[in] f the signers name to set
* \return true on success, false otherwise
*/
bool ldns_rr_rrsig_set_signame(ldns_rr *r, ldns_rdf *f);
/**
* returns the signature data of a LDNS_RR_TYPE_RRSIG RR
* \param[in] r the resource record
* \return a ldns_rdf* with the signature data or NULL on failure
*/
ldns_rdf* ldns_rr_rrsig_sig(const ldns_rr *r);
/**
* sets the signature data of a LDNS_RR_TYPE_RRSIG rr
* \param[in] r the rr to use
* \param[in] f the signature data to set
* \return true on success, false otherwise
*/
bool ldns_rr_rrsig_set_sig(ldns_rr *r, ldns_rdf *f);
/* DNSKEY */
/**
* returns the flags of a LDNS_RR_TYPE_DNSKEY rr
* \param[in] r the resource record
* \return a ldns_rdf* with the flags or NULL on failure
*/
ldns_rdf* ldns_rr_dnskey_flags(const ldns_rr *r);
/**
* sets the flags of a LDNS_RR_TYPE_DNSKEY rr
* \param[in] r the rr to use
* \param[in] f the flags to set
* \return true on success, false otherwise
*/
bool ldns_rr_dnskey_set_flags(ldns_rr *r, ldns_rdf *f);
/**
* returns the protocol of a LDNS_RR_TYPE_DNSKEY rr
* \param[in] r the resource record
* \return a ldns_rdf* with the protocol or NULL on failure
*/
ldns_rdf* ldns_rr_dnskey_protocol(const ldns_rr *r);
/**
* sets the protocol of a LDNS_RR_TYPE_DNSKEY rr
* \param[in] r the rr to use
* \param[in] f the protocol to set
* \return true on success, false otherwise
*/
bool ldns_rr_dnskey_set_protocol(ldns_rr *r, ldns_rdf *f);
/**
* returns the algorithm of a LDNS_RR_TYPE_DNSKEY rr
* \param[in] r the resource record
* \return a ldns_rdf* with the algorithm or NULL on failure
*/
ldns_rdf* ldns_rr_dnskey_algorithm(const ldns_rr *r);
/**
* sets the algorithm of a LDNS_RR_TYPE_DNSKEY rr
* \param[in] r the rr to use
* \param[in] f the algorithm to set
* \return true on success, false otherwise
*/
bool ldns_rr_dnskey_set_algorithm(ldns_rr *r, ldns_rdf *f);
/**
* returns the key data of a LDNS_RR_TYPE_DNSKEY rr
* \param[in] r the resource record
* \return a ldns_rdf* with the key data or NULL on failure
*/
ldns_rdf* ldns_rr_dnskey_key(const ldns_rr *r);
/**
* sets the key data of a LDNS_RR_TYPE_DNSKEY rr
* \param[in] r the rr to use
* \param[in] f the key data to set
* \return true on success, false otherwise
*/
bool ldns_rr_dnskey_set_key(ldns_rr *r, ldns_rdf *f);
/**
* get the length of the keydata in bits
* \param[in] keydata the raw key data
* \param[in] len the length of the keydata
* \param[in] alg the cryptographic algorithm this is a key for
* \return the keysize in bits, or 0 on error
*/
size_t ldns_rr_dnskey_key_size_raw(const unsigned char *keydata,
const size_t len,
const ldns_algorithm alg);
/**
* get the length of the keydata in bits
* \param[in] key the key rr to use
* \return the keysize in bits
*/
size_t ldns_rr_dnskey_key_size(const ldns_rr *key);
#ifdef __cplusplus
}
#endif
#endif /* LDNS_RR_FUNCTIONS_H */
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