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/* Fluent Bit
* ==========
* Copyright (C) 2019-2021 The Fluent Bit Authors
* Copyright (C) 2015-2018 Treasure Data Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <stdint.h>
#include <string.h>
#include <stdlib.h>
#include <fluent-bit/flb_parser.h>
#include <fluent-bit/flb_slist.h>
#include "flb_fuzz_header.h"
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
/* Set fuzzer-malloc chance of failure */
flb_malloc_p = 0;
flb_malloc_mod = 25000;
/* Limit the size of the config files to 32KB. */
if (size > 32768) {
return 0;
}
/* Write the config file to a location we know OSS-Fuzz has */
char filename[256];
sprintf(filename, "/tmp/libfuzzer.%d", getpid());
FILE *fp = fopen(filename, "wb");
if (!fp) {
return 0;
}
fwrite(data, size, 1, fp);
fclose(fp);
/* Now parse a random config file */
struct flb_config *config = NULL;
config = flb_config_init();
flb_parser_conf_file(filename, config);
flb_parser_exit(config);
flb_config_exit(config);
/* Cleanup written config file */
unlink(filename);
return 0;
}
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