toxcore/testing/fuzzing/toxsave_harness.cc
iphydf 941026266e
refactor: Allow overriding mono_time in tox_new.
This makes it so if mono_time is overridden, no monotonic time-related
system call is invoked in tox_new.
2022-04-03 22:48:16 +00:00

41 lines
1.2 KiB
C++

#include <cassert>
#include <cstdint>
#include <vector>
#include "../../toxcore/tox.h"
#include "../../toxcore/tox_private.h"
#include "fuzz_support.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
Tox_Err_Options_New error_options;
struct Tox_Options *tox_options = tox_options_new(&error_options);
assert(tox_options != nullptr);
assert(error_options == TOX_ERR_OPTIONS_NEW_OK);
uint64_t clock = 0;
auto sys = fuzz_system(clock);
tox_options_set_operating_system(tox_options, sys.get());
// pass test data to Tox
tox_options_set_savedata_data(tox_options, data, size);
tox_options_set_savedata_type(tox_options, TOX_SAVEDATA_TYPE_TOX_SAVE);
Tox *tox = tox_new(tox_options, nullptr);
tox_options_free(tox_options);
if (tox == nullptr) {
// Tox save was invalid, we're finished here
return 0;
}
// verify that the file can be saved again
std::vector<uint8_t> new_savedata(tox_get_savedata_size(tox));
tox_get_savedata(tox, new_savedata.data());
tox_kill(tox);
return 0; // Non-zero return values are reserved for future use.
}