/contrib/bind9/lib/dns/include/dns/nsec.h
https://bitbucket.org/freebsd/freebsd-head/ · C Header · 80 lines · 21 code · 13 blank · 46 comment · 0 complexity · 5a13b2ba67a6bd30b613ad165c688856 MD5 · raw file
- /*
- * Copyright (C) 2004-2008, 2012 Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 1999-2001, 2003 Internet Software Consortium.
- *
- * Permission to use, copy, modify, and/or distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
- * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
- * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
- /* $Id$ */
- #ifndef DNS_NSEC_H
- #define DNS_NSEC_H 1
- /*! \file dns/nsec.h */
- #include <isc/lang.h>
- #include <dns/types.h>
- #include <dns/name.h>
- #define DNS_NSEC_BUFFERSIZE (DNS_NAME_MAXWIRE + 8192 + 512)
- ISC_LANG_BEGINDECLS
- isc_result_t
- dns_nsec_buildrdata(dns_db_t *db, dns_dbversion_t *version,
- dns_dbnode_t *node, dns_name_t *target,
- unsigned char *buffer, dns_rdata_t *rdata);
- /*%<
- * Build the rdata of a NSEC record.
- *
- * Requires:
- *\li buffer Points to a temporary buffer of at least
- * DNS_NSEC_BUFFERSIZE bytes.
- *\li rdata Points to an initialized dns_rdata_t.
- *
- * Ensures:
- * \li *rdata Contains a valid NSEC rdata. The 'data' member refers
- * to 'buffer'.
- */
- isc_result_t
- dns_nsec_build(dns_db_t *db, dns_dbversion_t *version, dns_dbnode_t *node,
- dns_name_t *target, dns_ttl_t ttl);
- /*%<
- * Build a NSEC record and add it to a database.
- */
- isc_boolean_t
- dns_nsec_typepresent(dns_rdata_t *nsec, dns_rdatatype_t type);
- /*%<
- * Determine if a type is marked as present in an NSEC record.
- *
- * Requires:
- *\li 'nsec' points to a valid rdataset of type NSEC
- */
- isc_result_t
- dns_nsec_nseconly(dns_db_t *db, dns_dbversion_t *version,
- isc_boolean_t *answer);
- /*
- * Report whether the DNSKEY RRset has a NSEC only algorithm. Unknown
- * algorithms are assumed to support NSEC3.
- *
- * Requires:
- * 'answer' to be non NULL.
- */
- ISC_LANG_ENDDECLS
- #endif /* DNS_NSEC_H */