Coverage Report

Created: 2025-06-20 06:45

/src/mosquitto/fuzzing/plugins/dynamic-security/dynsec_fuzz_load.cpp
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/*
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Copyright (c) 2023 Cedalo GmbH
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All rights reserved. This program and the accompanying materials
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are made available under the terms of the Eclipse Public License 2.0
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and Eclipse Distribution License v1.0 which accompany this distribution.
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The Eclipse Public License is available at
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   https://www.eclipse.org/legal/epl-2.0/
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and the Eclipse Distribution License is available at
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  http://www.eclipse.org/org/documents/edl-v10.php.
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SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause
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Contributors:
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   Roger Light - initial implementation and documentation.
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*/
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#include <cstdio>
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#include <cstdint>
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#include <cstdlib>
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#include <cstring>
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#include <sys/stat.h>
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#include <unistd.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <mosquitto.h>
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#include <mosquitto_broker_internal.h>
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#ifdef __cplusplus
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}
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#endif
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/*
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 * Test loading a file
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 */
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extern struct mosquitto_db db;
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void run_dynsec(char *filename)
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{
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  struct mosquitto_plugin_id_t identifier;
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  struct mosquitto_opt options[1];
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  db.config = (struct mosquitto__config *)calloc(1, sizeof(struct mosquitto__config));
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  log__init(db.config);
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  memset(&identifier, 0, sizeof(identifier));
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  options[0].key = strdup("config_file");
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  options[0].value = filename;
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  mosquitto_plugin_init(&identifier, NULL, options, 1);
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  mosquitto_plugin_cleanup(NULL, options, 1);
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  free(options[0].key);
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  free(db.config);
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  free(identifier.plugin_name);
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  free(identifier.plugin_version);
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  db.config = NULL;
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}
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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  char filename[100];
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  FILE *fptr;
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  umask(0077);
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  snprintf(filename, sizeof(filename), "/tmp/dynsec%d.conf", getpid());
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  fptr = fopen(filename, "wb");
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  if(!fptr) return 1;
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  fwrite(data, 1, size, fptr);
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  fclose(fptr);
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  run_dynsec(filename);
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  unlink(filename);
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  return 0;
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}