thodg/libgit2/fuzzers/config_file_fuzzer.c

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• Hash : 3c966fb4
  Author :
  Date : 2019-06-28T10:53:03
  

  fuzzers: clean up header includes
  
  There's multiple headers included in our fuzzers that aren't required at
  all. Furthermore, some of them are not available on Win32, causing
  builds to fail. Remove them to fix this.
  

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• 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"
  
  #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;
  }
  

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