Coverage Report

Created: 2025-07-09 06:38

/src/fuzz_util.c
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/* Copyright 2021 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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      http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "fuzz_header.h"
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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  // init fuzz garbage collector
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  gb_init();
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  int succ = init_daemon(&data, &size);
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  if (succ == 0) {
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    char *t1 = gb_get_len_null_terminated(&data, &size, MAXDNAME);
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    char *t2 = gb_get_len_null_terminated(&data, &size, MAXDNAME);
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    if (t1 != NULL && t2 != NULL) {
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      // Util logic
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      hostname_isequal(t1, t2);
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      legal_hostname(t1);
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      char *tmp = canonicalise(t2, NULL);
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      if (tmp != NULL) {
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        free(tmp);
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      }
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      char *tmp_out = (char *)malloc(30);
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      int mac_type;
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      parse_hex(t1, (unsigned char *)tmp_out, 30, NULL, NULL);
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      parse_hex(t1, (unsigned char *)tmp_out, 30, NULL, &mac_type);
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      free(tmp_out);
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      wildcard_match(t1, t2);
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      if (strlen(t1) < strlen(t2)) {
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        wildcard_matchn(t1, t2, strlen(t1));
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      } else {
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        wildcard_matchn(t1, t2, strlen(t2));
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      }
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      hostname_issubdomain(t1, t2);
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      union all_addr addr1;
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      memset(&addr1, 0, sizeof(union all_addr));
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      is_name_synthetic(0, t1, &addr1);
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      //if (size > sizeof(struct dns_header)) {
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      //  hash_questions(data, size, t2);
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      //  rrfilter(data, size, 0);
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      //}
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    }
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    //fuzz_blockdata_cleanup();
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  }
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  // cleanup
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  gb_cleanup();
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  return 0;
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}