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/*
* Copyright (C) Internet Systems Consortium, Inc. ("ISC")
*
* SPDX-License-Identifier: MPL-2.0
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, you can obtain one at https://mozilla.org/MPL/2.0/.
*
* See the COPYRIGHT file distributed with this work for additional
* information regarding copyright ownership.
*/
#ifndef RDATA_HS_4_A_1_C
#define RDATA_HS_4_A_1_C
#include <isc/net.h>
#define RRTYPE_A_ATTRIBUTES (0)
static isc_result_t
fromtext_hs_a(ARGS_FROMTEXT) {
isc_token_t token;
struct in_addr addr;
isc_region_t region;
REQUIRE(type == dns_rdatatype_a);
REQUIRE(rdclass == dns_rdataclass_hs);
UNUSED(type);
UNUSED(origin);
UNUSED(options);
UNUSED(rdclass);
UNUSED(callbacks);
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
false));
if (inet_pton(AF_INET, DNS_AS_STR(token), &addr) != 1) {
RETTOK(DNS_R_BADDOTTEDQUAD);
}
isc_buffer_availableregion(target, ®ion);
if (region.length < 4) {
return (ISC_R_NOSPACE);
}
memmove(region.base, &addr, 4);
isc_buffer_add(target, 4);
return (ISC_R_SUCCESS);
}
static isc_result_t
totext_hs_a(ARGS_TOTEXT) {
isc_region_t region;
REQUIRE(rdata->type == dns_rdatatype_a);
REQUIRE(rdata->rdclass == dns_rdataclass_hs);
REQUIRE(rdata->length == 4);
UNUSED(tctx);
dns_rdata_toregion(rdata, ®ion);
return (inet_totext(AF_INET, tctx->flags, ®ion, target));
}
static isc_result_t
fromwire_hs_a(ARGS_FROMWIRE) {
isc_region_t sregion;
isc_region_t tregion;
REQUIRE(type == dns_rdatatype_a);
REQUIRE(rdclass == dns_rdataclass_hs);
UNUSED(type);
UNUSED(dctx);
UNUSED(options);
UNUSED(rdclass);
isc_buffer_activeregion(source, &sregion);
isc_buffer_availableregion(target, &tregion);
if (sregion.length < 4) {
return (ISC_R_UNEXPECTEDEND);
}
if (tregion.length < 4) {
return (ISC_R_NOSPACE);
}
memmove(tregion.base, sregion.base, 4);
isc_buffer_forward(source, 4);
isc_buffer_add(target, 4);
return (ISC_R_SUCCESS);
}
static isc_result_t
towire_hs_a(ARGS_TOWIRE) {
isc_region_t region;
REQUIRE(rdata->type == dns_rdatatype_a);
REQUIRE(rdata->rdclass == dns_rdataclass_hs);
REQUIRE(rdata->length == 4);
UNUSED(cctx);
isc_buffer_availableregion(target, ®ion);
if (region.length < rdata->length) {
return (ISC_R_NOSPACE);
}
memmove(region.base, rdata->data, rdata->length);
isc_buffer_add(target, 4);
return (ISC_R_SUCCESS);
}
static int
compare_hs_a(ARGS_COMPARE) {
int order;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_a);
REQUIRE(rdata1->rdclass == dns_rdataclass_hs);
REQUIRE(rdata1->length == 4);
REQUIRE(rdata2->length == 4);
order = memcmp(rdata1->data, rdata2->data, 4);
if (order != 0) {
order = (order < 0) ? -1 : 1;
}
return (order);
}
static isc_result_t
fromstruct_hs_a(ARGS_FROMSTRUCT) {
dns_rdata_hs_a_t *a = source;
uint32_t n;
REQUIRE(type == dns_rdatatype_a);
REQUIRE(rdclass == dns_rdataclass_hs);
REQUIRE(a != NULL);
REQUIRE(a->common.rdtype == type);
REQUIRE(a->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
n = ntohl(a->in_addr.s_addr);
return (uint32_tobuffer(n, target));
}
static isc_result_t
tostruct_hs_a(ARGS_TOSTRUCT) {
dns_rdata_hs_a_t *a = target;
uint32_t n;
isc_region_t region;
REQUIRE(rdata->type == dns_rdatatype_a);
REQUIRE(rdata->rdclass == dns_rdataclass_hs);
REQUIRE(rdata->length == 4);
REQUIRE(a != NULL);
UNUSED(mctx);
a->common.rdclass = rdata->rdclass;
a->common.rdtype = rdata->type;
ISC_LINK_INIT(&a->common, link);
dns_rdata_toregion(rdata, ®ion);
n = uint32_fromregion(®ion);
a->in_addr.s_addr = htonl(n);
return (ISC_R_SUCCESS);
}
static void
freestruct_hs_a(ARGS_FREESTRUCT) {
UNUSED(source);
REQUIRE(source != NULL);
}
static isc_result_t
additionaldata_hs_a(ARGS_ADDLDATA) {
REQUIRE(rdata->type == dns_rdatatype_a);
REQUIRE(rdata->rdclass == dns_rdataclass_hs);
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static isc_result_t
digest_hs_a(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == dns_rdatatype_a);
REQUIRE(rdata->rdclass == dns_rdataclass_hs);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
static bool
checkowner_hs_a(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_a);
REQUIRE(rdclass == dns_rdataclass_hs);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (true);
}
static bool
checknames_hs_a(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == dns_rdatatype_a);
REQUIRE(rdata->rdclass == dns_rdataclass_hs);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return (true);
}
static int
casecompare_hs_a(ARGS_COMPARE) {
return (compare_hs_a(rdata1, rdata2));
}
#endif /* RDATA_HS_4_A_1_C */
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