Coverage Report

Created: 2023-06-07 06:23

/src/bind9/lib/dns/rdata/generic/afsdb_18.c
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Source (jump to first uncovered line)
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/*
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 * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
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 *
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 * SPDX-License-Identifier: MPL-2.0
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 *
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 * This Source Code Form is subject to the terms of the Mozilla Public
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 * License, v. 2.0. If a copy of the MPL was not distributed with this
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 * file, you can obtain one at https://mozilla.org/MPL/2.0/.
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 *
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 * See the COPYRIGHT file distributed with this work for additional
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 * information regarding copyright ownership.
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 */
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/* RFC1183 */
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#ifndef RDATA_GENERIC_AFSDB_18_C
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#define RDATA_GENERIC_AFSDB_18_C
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26.0k
#define RRTYPE_AFSDB_ATTRIBUTES (0)
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static isc_result_t
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8.33k
fromtext_afsdb(ARGS_FROMTEXT) {
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8.33k
  isc_token_t token;
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8.33k
  isc_buffer_t buffer;
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8.33k
  dns_name_t name;
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8.33k
  bool ok;
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8.33k
  REQUIRE(type == dns_rdatatype_afsdb);
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8.33k
  UNUSED(type);
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8.33k
  UNUSED(rdclass);
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8.33k
  UNUSED(callbacks);
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  /*
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   * Subtype.
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   */
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8.33k
  RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_number,
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8.33k
              false));
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8.33k
  if (token.value.as_ulong > 0xffffU) {
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26
    RETTOK(ISC_R_RANGE);
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26
  }
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8.30k
  RETERR(uint16_tobuffer(token.value.as_ulong, target));
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  /*
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   * Hostname.
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   */
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8.30k
  RETERR(isc_lex_getmastertoken(lexer, &token, isc_tokentype_string,
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8.30k
              false));
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8.28k
  dns_name_init(&name, NULL);
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8.28k
  buffer_fromregion(&buffer, &token.value.as_region);
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8.28k
  if (origin == NULL) {
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2
    origin = dns_rootname;
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2
  }
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8.28k
  RETTOK(dns_name_fromtext(&name, &buffer, origin, options, target));
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8.27k
  ok = true;
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8.27k
  if ((options & DNS_RDATA_CHECKNAMES) != 0) {
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0
    ok = dns_name_ishostname(&name, false);
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0
  }
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8.27k
  if (!ok && (options & DNS_RDATA_CHECKNAMESFAIL) != 0) {
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0
    RETTOK(DNS_R_BADNAME);
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0
  }
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8.27k
  if (!ok && callbacks != NULL) {
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0
    warn_badname(&name, lexer, callbacks);
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0
  }
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8.27k
  return (ISC_R_SUCCESS);
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8.27k
}
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static isc_result_t
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675
totext_afsdb(ARGS_TOTEXT) {
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675
  dns_name_t name;
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675
  dns_name_t prefix;
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675
  isc_region_t region;
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675
  char buf[sizeof("64000 ")];
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675
  bool sub;
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675
  unsigned int num;
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  REQUIRE(rdata->type == dns_rdatatype_afsdb);
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675
  REQUIRE(rdata->length != 0);
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675
  dns_name_init(&name, NULL);
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675
  dns_name_init(&prefix, NULL);
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675
  dns_rdata_toregion(rdata, &region);
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675
  num = uint16_fromregion(&region);
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675
  isc_region_consume(&region, 2);
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675
  snprintf(buf, sizeof(buf), "%u ", num);
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675
  RETERR(str_totext(buf, target));
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675
  dns_name_fromregion(&name, &region);
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675
  sub = name_prefix(&name, tctx->origin, &prefix);
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675
  return (dns_name_totext(&prefix, sub, target));
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675
}
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static isc_result_t
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8.81k
fromwire_afsdb(ARGS_FROMWIRE) {
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8.81k
  dns_name_t name;
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8.81k
  isc_region_t sr;
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8.81k
  isc_region_t tr;
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8.81k
  REQUIRE(type == dns_rdatatype_afsdb);
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8.81k
  UNUSED(type);
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8.81k
  UNUSED(rdclass);
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8.81k
  dctx = dns_decompress_setpermitted(dctx, false);
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8.81k
  dns_name_init(&name, NULL);
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8.81k
  isc_buffer_activeregion(source, &sr);
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8.81k
  isc_buffer_availableregion(target, &tr);
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8.81k
  if (tr.length < 2) {
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318
    return (ISC_R_NOSPACE);
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318
  }
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8.49k
  if (sr.length < 2) {
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25
    return (ISC_R_UNEXPECTEDEND);
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25
  }
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8.46k
  memmove(tr.base, sr.base, 2);
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8.46k
  isc_buffer_forward(source, 2);
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8.46k
  isc_buffer_add(target, 2);
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8.46k
  return (dns_name_fromwire(&name, source, dctx, target));
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8.49k
}
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static isc_result_t
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330
towire_afsdb(ARGS_TOWIRE) {
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  isc_region_t tr;
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  isc_region_t sr;
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  dns_name_t name;
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  dns_offsets_t offsets;
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  REQUIRE(rdata->type == dns_rdatatype_afsdb);
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  REQUIRE(rdata->length != 0);
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  dns_compress_setpermitted(cctx, false);
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  isc_buffer_availableregion(target, &tr);
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  dns_rdata_toregion(rdata, &sr);
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  if (tr.length < 2) {
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1
    return (ISC_R_NOSPACE);
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1
  }
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  memmove(tr.base, sr.base, 2);
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  isc_region_consume(&sr, 2);
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  isc_buffer_add(target, 2);
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  dns_name_init(&name, offsets);
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  dns_name_fromregion(&name, &sr);
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  return (dns_name_towire(&name, cctx, target));
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330
}
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static int
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530k
compare_afsdb(ARGS_COMPARE) {
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530k
  int result;
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530k
  dns_name_t name1;
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530k
  dns_name_t name2;
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530k
  isc_region_t region1;
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530k
  isc_region_t region2;
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530k
  REQUIRE(rdata1->type == rdata2->type);
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530k
  REQUIRE(rdata1->rdclass == rdata2->rdclass);
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530k
  REQUIRE(rdata1->type == dns_rdatatype_afsdb);
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530k
  REQUIRE(rdata1->length != 0);
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530k
  REQUIRE(rdata2->length != 0);
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530k
  result = memcmp(rdata1->data, rdata2->data, 2);
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530k
  if (result != 0) {
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515k
    return (result < 0 ? -1 : 1);
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515k
  }
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14.7k
  dns_name_init(&name1, NULL);
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14.7k
  dns_name_init(&name2, NULL);
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14.7k
  dns_rdata_toregion(rdata1, &region1);
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14.7k
  dns_rdata_toregion(rdata2, &region2);
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14.7k
  isc_region_consume(&region1, 2);
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14.7k
  isc_region_consume(&region2, 2);
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14.7k
  dns_name_fromregion(&name1, &region1);
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14.7k
  dns_name_fromregion(&name2, &region2);
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14.7k
  return (dns_name_rdatacompare(&name1, &name2));
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530k
}
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static isc_result_t
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0
fromstruct_afsdb(ARGS_FROMSTRUCT) {
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0
  dns_rdata_afsdb_t *afsdb = source;
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0
  isc_region_t region;
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0
  REQUIRE(type == dns_rdatatype_afsdb);
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0
  REQUIRE(afsdb != NULL);
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0
  REQUIRE(afsdb->common.rdclass == rdclass);
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0
  REQUIRE(afsdb->common.rdtype == type);
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0
  UNUSED(type);
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0
  UNUSED(rdclass);
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0
  RETERR(uint16_tobuffer(afsdb->subtype, target));
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0
  dns_name_toregion(&afsdb->server, &region);
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0
  return (isc_buffer_copyregion(target, &region));
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0
}
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200
static isc_result_t
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0
tostruct_afsdb(ARGS_TOSTRUCT) {
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0
  isc_region_t region;
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0
  dns_rdata_afsdb_t *afsdb = target;
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0
  dns_name_t name;
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206
0
  REQUIRE(rdata->type == dns_rdatatype_afsdb);
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0
  REQUIRE(afsdb != NULL);
208
0
  REQUIRE(rdata->length != 0);
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0
  afsdb->common.rdclass = rdata->rdclass;
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0
  afsdb->common.rdtype = rdata->type;
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0
  ISC_LINK_INIT(&afsdb->common, link);
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214
0
  dns_name_init(&afsdb->server, NULL);
215
216
0
  dns_rdata_toregion(rdata, &region);
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0
  afsdb->subtype = uint16_fromregion(&region);
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0
  isc_region_consume(&region, 2);
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221
0
  dns_name_init(&name, NULL);
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0
  dns_name_fromregion(&name, &region);
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224
0
  name_duporclone(&name, mctx, &afsdb->server);
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0
  afsdb->mctx = mctx;
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0
  return (ISC_R_SUCCESS);
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0
}
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229
static void
230
0
freestruct_afsdb(ARGS_FREESTRUCT) {
231
0
  dns_rdata_afsdb_t *afsdb = source;
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233
0
  REQUIRE(afsdb != NULL);
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0
  REQUIRE(afsdb->common.rdtype == dns_rdatatype_afsdb);
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236
0
  if (afsdb->mctx == NULL) {
237
0
    return;
238
0
  }
239
240
0
  dns_name_free(&afsdb->server, afsdb->mctx);
241
0
  afsdb->mctx = NULL;
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0
}
243
244
static isc_result_t
245
0
additionaldata_afsdb(ARGS_ADDLDATA) {
246
0
  dns_name_t name;
247
0
  dns_offsets_t offsets;
248
0
  isc_region_t region;
249
250
0
  REQUIRE(rdata->type == dns_rdatatype_afsdb);
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0
  UNUSED(owner);
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0
  dns_name_init(&name, offsets);
255
0
  dns_rdata_toregion(rdata, &region);
256
0
  isc_region_consume(&region, 2);
257
0
  dns_name_fromregion(&name, &region);
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0
  return ((add)(arg, &name, dns_rdatatype_a, NULL DNS__DB_FILELINE));
260
0
}
261
262
static isc_result_t
263
0
digest_afsdb(ARGS_DIGEST) {
264
0
  isc_region_t r1, r2;
265
0
  dns_name_t name;
266
267
0
  REQUIRE(rdata->type == dns_rdatatype_afsdb);
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269
0
  dns_rdata_toregion(rdata, &r1);
270
0
  r2 = r1;
271
0
  isc_region_consume(&r2, 2);
272
0
  r1.length = 2;
273
0
  RETERR((digest)(arg, &r1));
274
0
  dns_name_init(&name, NULL);
275
0
  dns_name_fromregion(&name, &r2);
276
277
0
  return (dns_name_digest(&name, digest, arg));
278
0
}
279
280
static bool
281
0
checkowner_afsdb(ARGS_CHECKOWNER) {
282
0
  REQUIRE(type == dns_rdatatype_afsdb);
283
284
0
  UNUSED(name);
285
0
  UNUSED(type);
286
0
  UNUSED(rdclass);
287
0
  UNUSED(wildcard);
288
289
0
  return (true);
290
0
}
291
292
static bool
293
0
checknames_afsdb(ARGS_CHECKNAMES) {
294
0
  isc_region_t region;
295
0
  dns_name_t name;
296
297
0
  REQUIRE(rdata->type == dns_rdatatype_afsdb);
298
299
0
  UNUSED(owner);
300
301
0
  dns_rdata_toregion(rdata, &region);
302
0
  isc_region_consume(&region, 2);
303
0
  dns_name_init(&name, NULL);
304
0
  dns_name_fromregion(&name, &region);
305
0
  if (!dns_name_ishostname(&name, false)) {
306
0
    if (bad != NULL) {
307
0
      dns_name_clone(&name, bad);
308
0
    }
309
0
    return (false);
310
0
  }
311
0
  return (true);
312
0
}
313
314
static int
315
0
casecompare_afsdb(ARGS_COMPARE) {
316
0
  return (compare_afsdb(rdata1, rdata2));
317
0
}
318
#endif /* RDATA_GENERIC_AFSDB_18_C */