/*  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_time.h>

#include <fluent-bit/flb_parser.h>

#include "flb_fuzz_header.h"

int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size){

    TIMEOUT_GUARD

    void *out_buf = NULL;

    size_t out_size = 0;

    struct flb_time out_time;

    struct flb_config *fuzz_config;

    struct flb_parser *fuzz_parser;

    /* Set flb_malloc_mod to be fuzzer-data dependent */

    if (size < 4) {

        return 0;

    }

    flb_malloc_p = 0;

    flb_malloc_mod = *(int*)data;

    data += 4;

    size -= 4;

    /* Avoid division by zero for modulo operations */

    if (flb_malloc_mod == 0) {

        flb_malloc_mod = 1;

    }

    /* json parser */

    fuzz_config = flb_config_init();

    if (fuzz_config == NULL) {

        return 0;

    }

    fuzz_parser = flb_parser_create("fuzzer", "json", NULL, FLB_TRUE, NULL,

                                    NULL, NULL, MK_FALSE, MK_TRUE, FLB_FALSE, FLB_FALSE,

                                    NULL, 0, NULL, fuzz_config);

    if (fuzz_parser) {

        flb_parser_do(fuzz_parser, (char*)data, size,

                      &out_buf, &out_size, &out_time);

        if (out_buf != NULL) {

            free(out_buf);

        }

        flb_parser_destroy(fuzz_parser);

    }

    flb_config_exit(fuzz_config);

    return 0;

}