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libzmq/tests/test_z85_decode_fuzzer.cpp
Luca Boccassi da31917f4f Relicense from LGPL3 + exceptions to Mozilla Public License version 2.0
Relicense permission collected from all relevant authors as tallied at:
https://github.com/rlenferink/libzmq-relicense/blob/master/checklist.md
The relicense grants are collected under RELICENSE/ and will be moved
to the above repository in a later commit.

Fixes https://github.com/zeromq/libzmq/issues/2376
2023-06-05 20:31:47 +01:00

64 lines
1.4 KiB
C++

/* SPDX-License-Identifier: MPL-2.0 */
#ifdef ZMQ_USE_FUZZING_ENGINE
#include <fuzzer/FuzzedDataProvider.h>
#endif
#include <string>
#include <stdlib.h>
#include "testutil.hpp"
#include "testutil_unity.hpp"
extern "C" int LLVMFuzzerTestOneInput (const uint8_t *data, size_t size)
{
uint8_t *secret_key;
if (size < 5)
return 0;
// As per API definition, input must be divisible by 5, so truncate it if it's not
size -= size % 5;
// As per API definition, the destination must be at least 0.8 times the input data
TEST_ASSERT_NOT_NULL (secret_key = (uint8_t *) malloc (size * 4 / 5));
std::string z85_secret_key (reinterpret_cast<const char *> (data), size);
zmq_z85_decode (secret_key, z85_secret_key.c_str ());
free (secret_key);
return 0;
}
#ifndef ZMQ_USE_FUZZING_ENGINE
void test_z85_decode_fuzzer ()
{
uint8_t **data;
size_t *len, num_cases = 0;
if (fuzzer_corpus_encode (
"tests/libzmq-fuzz-corpora/test_z85_decode_fuzzer_seed_corpus", &data,
&len, &num_cases)
!= 0)
exit (77);
while (num_cases-- > 0) {
TEST_ASSERT_SUCCESS_ERRNO (
LLVMFuzzerTestOneInput (data[num_cases], len[num_cases]));
free (data[num_cases]);
}
free (data);
free (len);
}
int main (int argc, char **argv)
{
setup_test_environment ();
UNITY_BEGIN ();
RUN_TEST (test_z85_decode_fuzzer);
return UNITY_END ();
}
#endif