/* $NetBSD: sink_40.c,v 1.7 2022/09/23 12:15:31 christos Exp $ */
/*
* 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_GENERIC_SINK_40_C
#define RDATA_GENERIC_SINK_40_C
#include <dst/dst.h>
#define RRTYPE_SINK_ATTRIBUTES (0)
static isc_result_t
fromtext_sink(ARGS_FROMTEXT) {
isc_token_t token;
REQUIRE(type == dns_rdatatype_sink);
UNUSED(type);
UNUSED(rdclass);
UNUSED(origin);
UNUSED(options);
UNUSED(callbacks);
/* meaning */
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
false));
if (token.value.as_ulong > 0xffU) {
RETTOK(ISC_R_RANGE);
}
RETERR(uint8_tobuffer(token.value.as_ulong, target));
/* coding */
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
false));
if (token.value.as_ulong > 0xffU) {
RETTOK(ISC_R_RANGE);
}
RETERR(uint8_tobuffer(token.value.as_ulong, target));
/* subcoding */
RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
false));
if (token.value.as_ulong > 0xffU) {
RETTOK(ISC_R_RANGE);
}
RETERR(uint8_tobuffer(token.value.as_ulong, target));
return (isc_base64_tobuffer(lexer, target, -1));
}
static isc_result_t
totext_sink(ARGS_TOTEXT) {
isc_region_t sr;
char buf[sizeof("255 255 255")];
uint8_t meaning, coding, subcoding;
REQUIRE(rdata->type == dns_rdatatype_sink);
REQUIRE(rdata->length >= 3);
dns_rdata_toregion(rdata, &sr);
/* Meaning, Coding and Subcoding */
meaning = uint8_fromregion(&sr);
isc_region_consume(&sr, 1);
coding = uint8_fromregion(&sr);
isc_region_consume(&sr, 1);
subcoding = uint8_fromregion(&sr);
isc_region_consume(&sr, 1);
snprintf(buf, sizeof(buf), "%u %u %u", meaning, coding, subcoding);
RETERR(str_totext(buf, target));
if (sr.length == 0U) {
return (ISC_R_SUCCESS);
}
/* 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_base64_totext(&sr, 60, "", target));
} else {
RETERR(isc_base64_totext(&sr, tctx->width - 2, tctx->linebreak,
target));
}
if ((tctx->flags & DNS_STYLEFLAG_MULTILINE) != 0) {
RETERR(str_totext(" )", target));
}
return (ISC_R_SUCCESS);
}
static isc_result_t
fromwire_sink(ARGS_FROMWIRE) {
isc_region_t sr;
REQUIRE(type == dns_rdatatype_sink);
UNUSED(type);
UNUSED(rdclass);
UNUSED(dctx);
UNUSED(options);
isc_buffer_activeregion(source, &sr);
if (sr.length < 3) {
return (ISC_R_UNEXPECTEDEND);
}
RETERR(mem_tobuffer(target, sr.base, sr.length));
isc_buffer_forward(source, sr.length);
return (ISC_R_SUCCESS);
}
static isc_result_t
towire_sink(ARGS_TOWIRE) {
REQUIRE(rdata->type == dns_rdatatype_sink);
REQUIRE(rdata->length >= 3);
UNUSED(cctx);
return (mem_tobuffer(target, rdata->data, rdata->length));
}
static int
compare_sink(ARGS_COMPARE) {
isc_region_t r1;
isc_region_t r2;
REQUIRE(rdata1->type == rdata2->type);
REQUIRE(rdata1->rdclass == rdata2->rdclass);
REQUIRE(rdata1->type == dns_rdatatype_sink);
REQUIRE(rdata1->length >= 3);
REQUIRE(rdata2->length >= 3);
dns_rdata_toregion(rdata1, &r1);
dns_rdata_toregion(rdata2, &r2);
return (isc_region_compare(&r1, &r2));
}
static isc_result_t
fromstruct_sink(ARGS_FROMSTRUCT) {
dns_rdata_sink_t *sink = source;
REQUIRE(type == dns_rdatatype_sink);
REQUIRE(sink != NULL);
REQUIRE(sink->common.rdtype == type);
REQUIRE(sink->common.rdclass == rdclass);
UNUSED(type);
UNUSED(rdclass);
/* Meaning */
RETERR(uint8_tobuffer(sink->meaning, target));
/* Coding */
RETERR(uint8_tobuffer(sink->coding, target));
/* Subcoding */
RETERR(uint8_tobuffer(sink->subcoding, target));
/* Data */
return (mem_tobuffer(target, sink->data, sink->datalen));
}
static isc_result_t
tostruct_sink(ARGS_TOSTRUCT) {
dns_rdata_sink_t *sink = target;
isc_region_t sr;
REQUIRE(rdata->type == dns_rdatatype_sink);
REQUIRE(sink != NULL);
REQUIRE(rdata->length >= 3);
sink->common.rdclass = rdata->rdclass;
sink->common.rdtype = rdata->type;
ISC_LINK_INIT(&sink->common, link);
dns_rdata_toregion(rdata, &sr);
/* Meaning */
if (sr.length < 1) {
return (ISC_R_UNEXPECTEDEND);
}
sink->meaning = uint8_fromregion(&sr);
isc_region_consume(&sr, 1);
/* Coding */
if (sr.length < 1) {
return (ISC_R_UNEXPECTEDEND);
}
sink->coding = uint8_fromregion(&sr);
isc_region_consume(&sr, 1);
/* Subcoding */
if (sr.length < 1) {
return (ISC_R_UNEXPECTEDEND);
}
sink->subcoding = uint8_fromregion(&sr);
isc_region_consume(&sr, 1);
/* Data */
sink->datalen = sr.length;
sink->data = mem_maybedup(mctx, sr.base, sink->datalen);
if (sink->data == NULL) {
return (ISC_R_NOMEMORY);
}
sink->mctx = mctx;
return (ISC_R_SUCCESS);
}
static void
freestruct_sink(ARGS_FREESTRUCT) {
dns_rdata_sink_t *sink = (dns_rdata_sink_t *)source;
REQUIRE(sink != NULL);
REQUIRE(sink->common.rdtype == dns_rdatatype_sink);
if (sink->mctx == NULL) {
return;
}
if (sink->data != NULL) {
isc_mem_free(sink->mctx, sink->data);
}
sink->mctx = NULL;
}
static isc_result_t
additionaldata_sink(ARGS_ADDLDATA) {
REQUIRE(rdata->type == dns_rdatatype_sink);
UNUSED(rdata);
UNUSED(add);
UNUSED(arg);
return (ISC_R_SUCCESS);
}
static isc_result_t
digest_sink(ARGS_DIGEST) {
isc_region_t r;
REQUIRE(rdata->type == dns_rdatatype_sink);
dns_rdata_toregion(rdata, &r);
return ((digest)(arg, &r));
}
static bool
checkowner_sink(ARGS_CHECKOWNER) {
REQUIRE(type == dns_rdatatype_sink);
UNUSED(name);
UNUSED(type);
UNUSED(rdclass);
UNUSED(wildcard);
return (true);
}
static bool
checknames_sink(ARGS_CHECKNAMES) {
REQUIRE(rdata->type == dns_rdatatype_sink);
UNUSED(rdata);
UNUSED(owner);
UNUSED(bad);
return (true);
}
static int
casecompare_sink(ARGS_COMPARE) {
return (compare_sink(rdata1, rdata2));
}
#endif /* RDATA_GENERIC_SINK_40_C */