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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.
*/
/* rfc6698.txt */
#ifndef RDATA_GENERIC_TLSA_52_C
#define RDATA_GENERIC_TLSA_52_C
#define RRTYPE_TLSA_ATTRIBUTES 0
static inline isc_result_t
generic_totext_tlsa(ARGS_TOTEXT) {
isc_region_t sr;
char buf[sizeof("64000 ")];
unsigned int n;
REQUIRE(rdata->length != 0);
UNUSED(tctx);
dns_rdata_toregion(rdata, &sr);
/*
* Certificate Usage.
*/
n = uint8_fromregion(&sr);
isc_region_consume(&sr, 1);
snprintf(buf, sizeof(buf), "%u ", n);
RETERR(str_totext(buf, target));
/*
* Selector.
*/
n = uint8_fromregion(&sr);
isc_region_consume(&sr, 1);
snprintf(buf, sizeof(buf), "%u ", n);
RETERR(str_totext(buf, target));
/*
* Matching type.
*/
n = uint8_fromregion(&sr);
isc_region_consume(&sr, 1);
snprintf(buf, sizeof(buf), "%u", n);
RETERR(str_totext(buf, target));
/*
* Certificate Association Data.
*/
if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
RETERR(str_totext(" (", target));
RETERR(str_totext(tctx->linebreak, target));
if (tctx->width == 0) /* No splitting */
RETERR(isc_hex_totext(&sr, 0, "", target));
else
RETERR(isc_hex_totext(&sr, tctx->width - 2,
tctx->linebreak, target));
if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0)
RETERR(str_totext(" )", target));
return (ISC_R_SUCCESS);
}
static inline isc_result_t
generic_fromwire_tlsa(ARGS_FROMWIRE) {
isc_region_t sr;
UNUSED(type);
UNUSED(rdclass);
UNUSED(dctx);
UNUSED(options);
isc_buffer_activeregion(source, &sr);
if (sr.length < 3)
return (ISC_R_UNEXPECTEDEND);
isc_buffer_forward(source, sr.length);
return (mem_tobuffer(target, sr.base, sr.length));
}
static inline isc_result_t
totext_tlsa(ARGS_TOTEXT) {
REQUIRE(rdata->type == dns_rdatatype_tlsa);
return (generic_totext_tlsa(rdata, tctx, target));
}
static inline isc_result_t
fromwire_tlsa(ARGS_FROMWIRE) {
REQUIRE(type == dns_rdatatype_tlsa);
return (generic_fromwire_tlsa(rdclass, type, source, dctx, options,
target));
}
static inline isc_result_t
towire_tlsa(ARGS_TOWIRE) {
isc_region_t sr;
REQUIRE(rdata->type == dns_rdatatype_tlsa);
REQUIRE(rdata->length != 0);
UNUSED(cctx);
dns_rdata_toregion(rdata, &sr);
return (mem_tobuffer(target, sr.base, sr.length));
}
static inline isc_result_t
generic_fromstruct_tlsa(ARGS_FROMSTRUCT) {
dns_rdata_tlsa_t *tlsa = source;
REQUIRE(source != NULL);
REQUIRE(tlsa->common.rdtype == type);
REQUIRE(tlsa->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
RETERR(uint8_tobuffer(tlsa->usage, target));
RETERR(uint8_tobuffer(tlsa->selector, target));
RETERR(uint8_tobuffer(tlsa->match, target));
return (mem_tobuffer(target, tlsa->data, tlsa->length));
}
static inline isc_result_t
generic_tostruct_tlsa(ARGS_TOSTRUCT) {
dns_rdata_tlsa_t *tlsa = target;
isc_region_t region;
REQUIRE(target != NULL);
REQUIRE(rdata->length != 0);
tlsa->common.rdclass = rdata->rdclass;
tlsa->common.rdtype = rdata->type;
ISC_LINK_INIT(&tlsa->common, link);
dns_rdata_toregion(rdata, ®ion);
tlsa->usage = uint8_fromregion(®ion);
isc_region_consume(®ion, 1);
tlsa->selector = uint8_fromregion(®ion);
isc_region_consume(®ion, 1);
tlsa->match = uint8_fromregion(®ion);
isc_region_consume(®ion, 1);
tlsa->length = region.length;
tlsa->data = mem_maybedup(region.base, region.length);
if (tlsa->data == NULL)
return (ISC_R_NOMEMORY);
return (ISC_R_SUCCESS);
}
static inline void
generic_freestruct_tlsa(ARGS_FREESTRUCT) {
dns_rdata_tlsa_t *tlsa = source;
REQUIRE(tlsa != NULL);
if (tlsa->data != NULL)
free(tlsa->data);
}
static inline isc_result_t
tostruct_tlsa(ARGS_TOSTRUCT) {
dns_rdata_txt_t *txt = target;
REQUIRE(rdata->type == dns_rdatatype_tlsa);
REQUIRE(target != NULL);
txt->common.rdclass = rdata->rdclass;
txt->common.rdtype = rdata->type;
ISC_LINK_INIT(&txt->common, link);
return (generic_tostruct_tlsa(rdata, target));
}
#endif /* RDATA_GENERIC_TLSA_52_C */
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