/*

 * 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_MINFO_14_C

#define RDATA_GENERIC_MINFO_14_C

#define RRTYPE_MINFO_ATTRIBUTES (0)

static isc_result_t

fromtext_minfo(ARGS_FROMTEXT) {

  isc_token_t token;

  dns_fixedname_t fn;

  dns_name_t *name = dns_fixedname_initname(&fn);

  isc_buffer_t buffer;

  int i;

  bool ok;

  REQUIRE(type == dns_rdatatype_minfo);

  UNUSED(type);

  UNUSED(rdclass);

  UNUSED(callbacks);

  if (origin == NULL) {

    origin = dns_rootname;

  }

  for (i = 0; i < 2; i++) {

    RETERR(isc_lex_getmastertoken(lexer, &token,

                isc_tokentype_string, false));

    buffer_fromregion(&buffer, &token.value.as_region);

    RETTOK(dns_name_fromtext(name, &buffer, origin, options));

    RETTOK(dns_name_towire(name, NULL, target));

    ok = true;

    if ((options & DNS_RDATA_CHECKNAMES) != 0) {

      ok = dns_name_ismailbox(name);

    }

    if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0) {

      RETTOK(DNS_R_BADNAME);

    }

    if (!ok && callbacks != NULL) {

      warn_badname(name, lexer, callbacks);

    }

  }

  return ISC_R_SUCCESS;

}

static isc_result_t

totext_minfo(ARGS_TOTEXT) {

  isc_region_t region;

  dns_name_t rmail;

  dns_name_t email;

  dns_name_t prefix;

  unsigned int opts;

  REQUIRE(rdata->type == dns_rdatatype_minfo);

  REQUIRE(rdata->length != 0);

  dns_name_init(&rmail);

  dns_name_init(&email);

  dns_name_init(&prefix);

  dns_rdata_toregion(rdata, &region);

  dns_name_fromregion(&rmail, &region);

  isc_region_consume(&region, rmail.length);

  dns_name_fromregion(&email, &region);

  isc_region_consume(&region, email.length);

  opts = name_prefix(&rmail, tctx->origin, &prefix)

           ? DNS_NAME_OMITFINALDOT

           : 0;

  RETERR(dns_name_totext(&prefix, opts, target));

  RETERR(str_totext(" ", target));

  opts = name_prefix(&email, tctx->origin, &prefix)

           ? DNS_NAME_OMITFINALDOT

           : 0;

  return dns_name_totext(&prefix, opts, target);

}

static isc_result_t

fromwire_minfo(ARGS_FROMWIRE) {

  dns_name_t rmail;

  dns_name_t email;

  REQUIRE(type == dns_rdatatype_minfo);

  UNUSED(type);

  UNUSED(rdclass);

  dctx = dns_decompress_setpermitted(dctx, true);

  dns_name_init(&rmail);

  dns_name_init(&email);

  RETERR(dns_name_fromwire(&rmail, source, dctx, target));

  return dns_name_fromwire(&email, source, dctx, target);

}

static isc_result_t

towire_minfo(ARGS_TOWIRE) {

  isc_region_t region;

  dns_name_t rmail;

  dns_name_t email;

  REQUIRE(rdata->type == dns_rdatatype_minfo);

  REQUIRE(rdata->length != 0);

  dns_compress_setpermitted(cctx, true);

  dns_name_init(&rmail);

  dns_name_init(&email);

  dns_rdata_toregion(rdata, &region);

  dns_name_fromregion(&rmail, &region);

  isc_region_consume(&region, name_length(&rmail));

  RETERR(dns_name_towire(&rmail, cctx, target));

  dns_name_fromregion(&rmail, &region);

  isc_region_consume(&region, rmail.length);

  return dns_name_towire(&rmail, cctx, target);

}

static int

compare_minfo(ARGS_COMPARE) {

  isc_region_t region1;

  isc_region_t region2;

  dns_name_t name1;

  dns_name_t name2;

  int order;

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

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

  REQUIRE(rdata1->type == dns_rdatatype_minfo);

  REQUIRE(rdata1->length != 0);

  REQUIRE(rdata2->length != 0);

  dns_name_init(&name1);

  dns_name_init(&name2);

  dns_rdata_toregion(rdata1, &region1);

  dns_rdata_toregion(rdata2, &region2);

  dns_name_fromregion(&name1, &region1);

  dns_name_fromregion(&name2, &region2);

  order = dns_name_rdatacompare(&name1, &name2);

  if (order != 0) {

    return order;

  }

  isc_region_consume(&region1, name_length(&name1));

  isc_region_consume(&region2, name_length(&name2));

  dns_name_init(&name1);

  dns_name_init(&name2);

  dns_name_fromregion(&name1, &region1);

  dns_name_fromregion(&name2, &region2);

  order = dns_name_rdatacompare(&name1, &name2);

  return order;

}

static isc_result_t

fromstruct_minfo(ARGS_FROMSTRUCT) {

  dns_rdata_minfo_t *minfo = source;

  isc_region_t region;

  REQUIRE(type == dns_rdatatype_minfo);

  REQUIRE(minfo != NULL);

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

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

  UNUSED(type);

  UNUSED(rdclass);

  dns_name_toregion(&minfo->rmailbox, &region);

  RETERR(isc_buffer_copyregion(target, &region));

  dns_name_toregion(&minfo->emailbox, &region);

  return isc_buffer_copyregion(target, &region);

}

static isc_result_t

tostruct_minfo(ARGS_TOSTRUCT) {

  dns_rdata_minfo_t *minfo = target;

  isc_region_t region;

  dns_name_t name;

  REQUIRE(rdata->type == dns_rdatatype_minfo);

  REQUIRE(minfo != NULL);

  REQUIRE(rdata->length != 0);

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

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

  dns_name_init(&name);

  dns_rdata_toregion(rdata, &region);

  dns_name_fromregion(&name, &region);

  dns_name_init(&minfo->rmailbox);

  name_duporclone(&name, mctx, &minfo->rmailbox);

  isc_region_consume(&region, name_length(&name));

  dns_name_fromregion(&name, &region);

  dns_name_init(&minfo->emailbox);

  name_duporclone(&name, mctx, &minfo->emailbox);

  minfo->mctx = mctx;

  return ISC_R_SUCCESS;

}

static void

freestruct_minfo(ARGS_FREESTRUCT) {

  dns_rdata_minfo_t *minfo = source;

  REQUIRE(minfo != NULL);

  REQUIRE(minfo->common.rdtype == dns_rdatatype_minfo);

  if (minfo->mctx == NULL) {

    return;

  }

  dns_name_free(&minfo->rmailbox, minfo->mctx);

  dns_name_free(&minfo->emailbox, minfo->mctx);

  minfo->mctx = NULL;

}

static isc_result_t

additionaldata_minfo(ARGS_ADDLDATA) {

  REQUIRE(rdata->type == dns_rdatatype_minfo);

  UNUSED(rdata);

  UNUSED(owner);

  UNUSED(add);

  UNUSED(arg);

  return ISC_R_SUCCESS;

}

static isc_result_t

digest_minfo(ARGS_DIGEST) {

  isc_region_t r;

  dns_name_t name;

  isc_result_t result;

  REQUIRE(rdata->type == dns_rdatatype_minfo);

  dns_rdata_toregion(rdata, &r);

  dns_name_init(&name);

  dns_name_fromregion(&name, &r);

  result = dns_name_digest(&name, digest, arg);

  if (result != ISC_R_SUCCESS) {

    return result;

  }

  isc_region_consume(&r, name_length(&name));

  dns_name_init(&name);

  dns_name_fromregion(&name, &r);

  return dns_name_digest(&name, digest, arg);

}

static bool

checkowner_minfo(ARGS_CHECKOWNER) {

  REQUIRE(type == dns_rdatatype_minfo);

  UNUSED(name);

  UNUSED(type);

  UNUSED(rdclass);

  UNUSED(wildcard);

  return true;

}

static bool

checknames_minfo(ARGS_CHECKNAMES) {

  isc_region_t region;

  dns_name_t name;

  REQUIRE(rdata->type == dns_rdatatype_minfo);

  UNUSED(owner);

  dns_rdata_toregion(rdata, &region);

  dns_name_init(&name);

  dns_name_fromregion(&name, &region);

  if (!dns_name_ismailbox(&name)) {

    if (bad != NULL) {

      dns_name_clone(&name, bad);

    }

    return false;

  }

  isc_region_consume(&region, name_length(&name));

  dns_name_fromregion(&name, &region);

  if (!dns_name_ismailbox(&name)) {

    if (bad != NULL) {

      dns_name_clone(&name, bad);

    }

    return false;

  }

  return true;

}

static int

casecompare_minfo(ARGS_COMPARE) {

  return compare_minfo(rdata1, rdata2);

}

#endif /* RDATA_GENERIC_MINFO_14_C */