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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* 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: nsec_47.c,v 1.13 2020/09/14 08:40:43 florian Exp $ */
/* reviewed: Wed Mar 15 18:21:15 PST 2000 by brister */
/* RFC 3845 */
#ifndef RDATA_GENERIC_NSEC_47_C
#define RDATA_GENERIC_NSEC_47_C
/*
* The attributes do not include DNS_RDATATYPEATTR_SINGLETON
* because we must be able to handle a parent/child NSEC pair.
*/
static inline isc_result_t
totext_nsec(ARGS_TOTEXT) {
isc_region_t sr;
dns_name_t name;
REQUIRE(rdata->type == dns_rdatatype_nsec);
REQUIRE(rdata->length != 0);
UNUSED(tctx);
dns_name_init(&name, NULL);
dns_rdata_toregion(rdata, &sr);
dns_name_fromregion(&name, &sr);
isc_region_consume(&sr, name_length(&name));
RETERR(dns_name_totext(&name, 0, target));
/*
* Don't leave a trailing space when there's no typemap present.
*/
if (sr.length > 0) {
RETERR(isc_str_tobuffer(" ", target));
}
return (typemap_totext(&sr, NULL, target));
}
static /* inline */ isc_result_t
fromwire_nsec(ARGS_FROMWIRE) {
isc_region_t sr;
dns_name_t name;
REQUIRE(type == dns_rdatatype_nsec);
UNUSED(type);
UNUSED(rdclass);
dns_decompress_setmethods(dctx, DNS_COMPRESS_NONE);
dns_name_init(&name, NULL);
RETERR(dns_name_fromwire(&name, source, dctx, options, target));
isc_buffer_activeregion(source, &sr);
RETERR(typemap_test(&sr, 0));
RETERR(isc_mem_tobuffer(target, sr.base, sr.length));
isc_buffer_forward(source, sr.length);
return (ISC_R_SUCCESS);
}
static inline isc_result_t
towire_nsec(ARGS_TOWIRE) {
isc_region_t sr;
dns_name_t name;
dns_offsets_t offsets;
REQUIRE(rdata->type == dns_rdatatype_nsec);
REQUIRE(rdata->length != 0);
dns_compress_setmethods(cctx, DNS_COMPRESS_NONE);
dns_name_init(&name, offsets);
dns_rdata_toregion(rdata, &sr);
dns_name_fromregion(&name, &sr);
isc_region_consume(&sr, name_length(&name));
RETERR(dns_name_towire(&name, cctx, target));
return (isc_mem_tobuffer(target, sr.base, sr.length));
}
#endif /* RDATA_GENERIC_NSEC_47_C */
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