/*

 * 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_EUI48_108_C

#define RDATA_GENERIC_EUI48_108_C

#include <string.h>

#define RRTYPE_EUI48_ATTRIBUTES (0)

static isc_result_t

fromtext_eui48(ARGS_FROMTEXT) {

  isc_token_t token;

  unsigned char eui48[6];

  unsigned int l0, l1, l2, l3, l4, l5;

  int n;

  REQUIRE(type == dns_rdatatype_eui48);

  UNUSED(type);

  UNUSED(rdclass);

  UNUSED(origin);

  UNUSED(options);

  UNUSED(callbacks);

  RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,

              false));

  n = sscanf(DNS_AS_STR(token), "%2x-%2x-%2x-%2x-%2x-%2x", &l0, &l1, &l2,

       &l3, &l4, &l5);

  if (n != 6 || l0 > 255U || l1 > 255U || l2 > 255U || l3 > 255U ||

      l4 > 255U || l5 > 255U)

  {

    return (DNS_R_BADEUI);

  }

  eui48[0] = l0;

  eui48[1] = l1;

  eui48[2] = l2;

  eui48[3] = l3;

  eui48[4] = l4;

  eui48[5] = l5;

  return (mem_tobuffer(target, eui48, sizeof(eui48)));

}

static isc_result_t

totext_eui48(ARGS_TOTEXT) {

  char buf[sizeof("xx-xx-xx-xx-xx-xx")];

  REQUIRE(rdata->type == dns_rdatatype_eui48);

  REQUIRE(rdata->length == 6);

  UNUSED(tctx);

  (void)snprintf(buf, sizeof(buf), "%02x-%02x-%02x-%02x-%02x-%02x",

           rdata->data[0], rdata->data[1], rdata->data[2],

           rdata->data[3], rdata->data[4], rdata->data[5]);

  return (str_totext(buf, target));

}

static isc_result_t

fromwire_eui48(ARGS_FROMWIRE) {

  isc_region_t sregion;

  REQUIRE(type == dns_rdatatype_eui48);

  UNUSED(type);

  UNUSED(rdclass);

  UNUSED(dctx);

  isc_buffer_activeregion(source, &sregion);

  if (sregion.length != 6) {

    return (DNS_R_FORMERR);

  }

  isc_buffer_forward(source, sregion.length);

  return (mem_tobuffer(target, sregion.base, sregion.length));

}

static isc_result_t

towire_eui48(ARGS_TOWIRE) {

  REQUIRE(rdata->type == dns_rdatatype_eui48);

  REQUIRE(rdata->length == 6);

  UNUSED(cctx);

  return (mem_tobuffer(target, rdata->data, rdata->length));

}

static int

compare_eui48(ARGS_COMPARE) {

  isc_region_t region1;

  isc_region_t region2;

  REQUIRE(rdata1->type == rdata2->type);

  REQUIRE(rdata1->rdclass == rdata2->rdclass);

  REQUIRE(rdata1->type == dns_rdatatype_eui48);

  REQUIRE(rdata1->length == 6);

  REQUIRE(rdata2->length == 6);

  dns_rdata_toregion(rdata1, &region1);

  dns_rdata_toregion(rdata2, &region2);

  return (isc_region_compare(&region1, &region2));

}

static isc_result_t

fromstruct_eui48(ARGS_FROMSTRUCT) {

  dns_rdata_eui48_t *eui48 = source;

  REQUIRE(type == dns_rdatatype_eui48);

  REQUIRE(eui48 != NULL);

  REQUIRE(eui48->common.rdtype == type);

  REQUIRE(eui48->common.rdclass == rdclass);

  UNUSED(type);

  UNUSED(rdclass);

  return (mem_tobuffer(target, eui48->eui48, sizeof(eui48->eui48)));

}

static isc_result_t

tostruct_eui48(ARGS_TOSTRUCT) {

  dns_rdata_eui48_t *eui48 = target;

  REQUIRE(rdata->type == dns_rdatatype_eui48);

  REQUIRE(eui48 != NULL);

  REQUIRE(rdata->length == 6);

  UNUSED(mctx);

  eui48->common.rdclass = rdata->rdclass;

  eui48->common.rdtype = rdata->type;

  ISC_LINK_INIT(&eui48->common, link);

  memmove(eui48->eui48, rdata->data, rdata->length);

  return (ISC_R_SUCCESS);

}

static void

freestruct_eui48(ARGS_FREESTRUCT) {

  dns_rdata_eui48_t *eui48 = source;

  REQUIRE(eui48 != NULL);

  REQUIRE(eui48->common.rdtype == dns_rdatatype_eui48);

  return;

}

static isc_result_t

additionaldata_eui48(ARGS_ADDLDATA) {

  REQUIRE(rdata->type == dns_rdatatype_eui48);

  REQUIRE(rdata->length == 6);

  UNUSED(rdata);

  UNUSED(owner);

  UNUSED(add);

  UNUSED(arg);

  return (ISC_R_SUCCESS);

}

static isc_result_t

digest_eui48(ARGS_DIGEST) {

  isc_region_t r;

  REQUIRE(rdata->type == dns_rdatatype_eui48);

  REQUIRE(rdata->length == 6);

  dns_rdata_toregion(rdata, &r);

  return ((digest)(arg, &r));

}

static bool

checkowner_eui48(ARGS_CHECKOWNER) {

  REQUIRE(type == dns_rdatatype_eui48);

  UNUSED(name);

  UNUSED(type);

  UNUSED(rdclass);

  UNUSED(wildcard);

  return (true);

}

static bool

checknames_eui48(ARGS_CHECKNAMES) {

  REQUIRE(rdata->type == dns_rdatatype_eui48);

  REQUIRE(rdata->length == 6);

  UNUSED(rdata);

  UNUSED(owner);

  UNUSED(bad);

  return (true);

}

static int

casecompare_eui48(ARGS_COMPARE) {

  return (compare_eui48(rdata1, rdata2));

}

#endif /* RDATA_GENERIC_EUI48_108_C */