thodg/libgit2/fuzzers/config_file_fuzzer.c

• Show log

  Commit

• Hash : 489aec44
  Author :
  Date : 2021-11-11T12:33:14
  

  fuzzers: declare standalone functions

Download

• fuzzers/config_file_fuzzer.c

• /*
   * libgit2 config file parser fuzz target.
   *
   * Copyright (C) the libgit2 contributors. All rights reserved.
   *
   * This file is part of libgit2, distributed under the GNU GPL v2 with
   * a Linking Exception. For full terms see the included COPYING file.
   */
  
  #include "git2.h"
  #include "config_backend.h"
  
  #include "standalone_driver.h"
  
  #define UNUSED(x) (void)(x)
  
  int foreach_cb(const git_config_entry *entry, void *payload)
  {
  	UNUSED(entry);
  	UNUSED(payload);
  
  	return 0;
  }
  
  int LLVMFuzzerInitialize(int *argc, char ***argv)
  {
  	UNUSED(argc);
  	UNUSED(argv);
  
  	if (git_libgit2_init() < 0)
  		abort();
  
  	return 0;
  }
  
  int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
  {
  	git_config *cfg = NULL;
  	git_config_backend *backend = NULL;
  	int err = 0;
  
  	if ((err = git_config_new(&cfg)) != 0) {
  		goto out;
  	}
  
  	if ((err = git_config_backend_from_string(&backend, (const char*)data, size)) != 0) {
  		goto out;
  	}
  	if ((err = git_config_add_backend(cfg, backend, 0, NULL, 0)) != 0) {
  		goto out;
  	}
  	/* Now owned by the config */
  	backend = NULL;
  
  	git_config_foreach(cfg, foreach_cb, NULL);
   out:
  	git_config_backend_free(backend);
  	git_config_free(cfg);
  
  	return 0;
  }
  

Download