tomato-testing/toxcore/tox_events_fuzz_test.cc
Green Sky b1fe064484 Squashed 'external/toxcore/c-toxcore/' changes from 6d634674a9..73d9b845a3
73d9b845a3 cleanup: Remove old type-ordered event getters.
b0840cc02d feat: add ngc events
7df9a51349 refactor: Make event dispatch ordered by receive time.
bcb6592af5 test: Add C++ classes wrapping system interfaces.
4cea4f9ca4 fix: Make all the fuzzers work again, and add a test for protodump.
c4e209ea1d refactor: Factor out malloc+memcpy into memdup.
87bcc4322d fix: Remove fatal error for non-erroneous case
REVERT: 6d634674a9 cleanup: Remove old type-ordered event getters.
REVERT: d1d48d1dfc feat: add ngc events
REVERT: 994ffecc6b refactor: Make event dispatch ordered by receive time.

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: 73d9b845a310c3f56d2d6d77ed56b93d84256d6e
2024-01-14 21:51:01 +01:00

95 lines
3.8 KiB
C++

#include "tox_events.h"
#include <cassert>
#include <cstdint>
#include <cstring>
#include <vector>
#include "../testing/fuzzing/fuzz_support.h"
#include "tox_dispatch.h"
namespace {
void TestUnpack(Fuzz_Data data)
{
// 2 bytes: size of the events data
CONSUME_OR_RETURN(const uint8_t *events_size_bytes, data, sizeof(uint16_t));
uint16_t events_size;
std::memcpy(&events_size, events_size_bytes, sizeof(uint16_t));
// events_size bytes: events data (max 64K)
CONSUME_OR_RETURN(const uint8_t *events_data, data, events_size);
if (data.empty()) {
// If there's no more input, no malloc failure paths can possibly be
// tested, so we ignore this input.
return;
}
// rest of the fuzz data is input for malloc
Fuzz_System sys{data};
Tox_Dispatch *dispatch = tox_dispatch_new(nullptr);
assert(dispatch != nullptr);
auto ignore = [](Tox *tox, auto *event, void *user_data) {};
tox_events_callback_conference_connected(dispatch, ignore);
tox_events_callback_conference_invite(dispatch, ignore);
tox_events_callback_conference_message(dispatch, ignore);
tox_events_callback_conference_peer_list_changed(dispatch, ignore);
tox_events_callback_conference_peer_name(dispatch, ignore);
tox_events_callback_conference_title(dispatch, ignore);
tox_events_callback_file_chunk_request(dispatch, ignore);
tox_events_callback_file_recv(dispatch, ignore);
tox_events_callback_file_recv_chunk(dispatch, ignore);
tox_events_callback_file_recv_control(dispatch, ignore);
tox_events_callback_friend_connection_status(dispatch, ignore);
tox_events_callback_friend_lossless_packet(dispatch, ignore);
tox_events_callback_friend_lossy_packet(dispatch, ignore);
tox_events_callback_friend_message(dispatch, ignore);
tox_events_callback_friend_name(dispatch, ignore);
tox_events_callback_friend_read_receipt(dispatch, ignore);
tox_events_callback_friend_request(dispatch, ignore);
tox_events_callback_friend_status(dispatch, ignore);
tox_events_callback_friend_status_message(dispatch, ignore);
tox_events_callback_friend_typing(dispatch, ignore);
tox_events_callback_self_connection_status(dispatch, ignore);
tox_events_callback_group_peer_name(dispatch, ignore);
tox_events_callback_group_peer_status(dispatch, ignore);
tox_events_callback_group_topic(dispatch, ignore);
tox_events_callback_group_privacy_state(dispatch, ignore);
tox_events_callback_group_voice_state(dispatch, ignore);
tox_events_callback_group_topic_lock(dispatch, ignore);
tox_events_callback_group_peer_limit(dispatch, ignore);
tox_events_callback_group_password(dispatch, ignore);
tox_events_callback_group_message(dispatch, ignore);
tox_events_callback_group_private_message(dispatch, ignore);
tox_events_callback_group_custom_packet(dispatch, ignore);
tox_events_callback_group_custom_private_packet(dispatch, ignore);
tox_events_callback_group_invite(dispatch, ignore);
tox_events_callback_group_peer_join(dispatch, ignore);
tox_events_callback_group_peer_exit(dispatch, ignore);
tox_events_callback_group_self_join(dispatch, ignore);
tox_events_callback_group_join_fail(dispatch, ignore);
tox_events_callback_group_moderation(dispatch, ignore);
Tox_Events *events = tox_events_load(sys.sys.get(), events_data, events_size);
if (events) {
std::vector<uint8_t> packed(tox_events_bytes_size(events));
tox_events_get_bytes(events, packed.data());
tox_dispatch_invoke(dispatch, events, nullptr, nullptr);
}
tox_events_free(events);
tox_dispatch_free(dispatch);
}
} // namespace
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
TestUnpack(Fuzz_Data(data, size));
return 0;
}