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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Fluent Bit
* ==========
* Copyright (C) 2015-2023 The Fluent Bit Authors
*
* 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 <cmetrics/cmt_decode_opentelemetry.h>
#include <cmetrics/cmt_decode_prometheus.h>
int
LLVMFuzzerTestOneInput(const uint8_t * data, size_t size)
{
struct cfl_list decoded_contexts;
struct cmt *cmt = NULL;
size_t off = 0;
uint8_t decider;
int result;
/* At least one byte is needed for deciding which decoder to use */
if (size < 1) {
return 0;
}
decider = data[0] % 3;
/* Adjust data pointer since the first byte is used */
data += 1;
size -= 1;
/* Fuzz a given decoder */
if (decider == 0) {
result = cmt_decode_opentelemetry_create(&decoded_contexts, data, size,
&off);
if (result == CMT_DECODE_OPENTELEMETRY_SUCCESS) {
cmt_decode_opentelemetry_destroy (&decoded_contexts);
}
}
else if (decider == 1) {
result = cmt_decode_msgpack_create(&cmt, (char *) data, size, &off);
if (result == 0) {
cmt_destroy(cmt);
}
}
else if (decider == 2) {
if (size == 0) {
return 0;
}
struct cmt_decode_prometheus_parse_opts opts;
result = cmt_decode_prometheus_create(&cmt, data, size, &opts);
if (result == CMT_DECODE_PROMETHEUS_SUCCESS) {
cmt_decode_prometheus_destroy(cmt);
}
}
return 0;
}
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