/*

 * 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);

  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;

  dns_rdata_toregion(rdata, &sr);

  /* Meaning */

  sink->meaning = uint8_fromregion(&sr);

  isc_region_consume(&sr, 1);

  /* Coding */

  sink->coding = uint8_fromregion(&sr);

  isc_region_consume(&sr, 1);

  /* Subcoding */

  sink->subcoding = uint8_fromregion(&sr);

  isc_region_consume(&sr, 1);

  /* Data */

  sink->datalen = sr.length;

  sink->data = mem_maybedup(mctx, sr.base, sink->datalen);

  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(owner);

  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 */