Files
tomato-testing/toxcore/tox_events_fuzz_test.cc
Green Sky 565efa4f39 Squashed 'external/toxcore/c-toxcore/' changes from 1828c5356..c9cdae001
c9cdae001 fix(toxav): remove extra copy of video frame on encode
4f6d4546b test: Improve the fake network library.
a2581e700 refactor(toxcore): generate `Friend_Request` and `Dht_Nodes_Response`
2aaa11770 refactor(toxcore): use Tox_Memory in generated events
5c367452b test(toxcore): fix incorrect mutex in tox_scenario_get_time
8f92e710f perf: Add a timed limit of number of cookie requests.
695b6417a test: Add some more simulated network support.
815ae9ce9 test(toxcore): fix thread-safety in scenario framework
6d85c754e test(toxcore): add unit tests for net_crypto
9c22e79cc test(support): add SimulatedEnvironment for deterministic testing
f34fcb195 chore: Update windows Dockerfile to debian stable (trixie).
ece0e8980 fix(group_moderation): allow validating unsorted sanction list signatures
a4fa754d7 refactor: rename struct Packet to struct Net_Packet
d6f330f85 cleanup: Fix some warnings from coverity.
e206bffa2 fix(group_chats): fix sync packets reverting topics
0e4715598 test: Add new scenario testing framework.
668291f44 refactor(toxcore): decouple Network_Funcs from sockaddr via IP_Port
fc4396cef fix: potential division by zero in toxav and unsafe hex parsing
8e8b352ab refactor: Add nullable annotations to struct members.
7740bb421 refactor: decouple net_crypto from DHT
1936d4296 test: add benchmark for toxav audio and video
46bfdc2df fix: correct printf format specifiers for unsigned integers
REVERT: 1828c5356 fix(toxav): remove extra copy of video frame on encode

git-subtree-dir: external/toxcore/c-toxcore
git-subtree-split: c9cdae001341e701fca980c9bb9febfeb95d2902
2026-01-11 14:42:31 +01:00

103 lines
4.1 KiB
C++

#include "tox_events.h"
#include <cassert>
#include <cstdint>
#include <cstring>
#include <vector>
#include "../testing/support/public/fuzz_data.hh"
#include "../testing/support/public/fuzz_helpers.hh"
#include "../testing/support/public/simulated_environment.hh"
#include "tox_dispatch.h"
namespace {
using tox::test::configure_fuzz_memory_source;
using tox::test::Fuzz_Data;
using tox::test::SimulatedEnvironment;
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
SimulatedEnvironment env;
auto node = env.create_node(33445);
configure_fuzz_memory_source(env.fake_memory(), data);
Tox_Dispatch *dispatch = tox_dispatch_new(nullptr);
assert(dispatch != nullptr);
auto ignore = [](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(&node->system, 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);
}
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;
}