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Squashed 'external/toxcore/c-toxcore/' changes from 1828c5356..c9cdae001

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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
This commit is contained in:
Green Sky
2026-01-11 14:42:31 +01:00
parent e95f2cbb1c
commit 565efa4f39
328 changed files with 19057 additions and 13982 deletions
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64
testing/fuzzing/e2e_fuzz_test.cc
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@@ -5,17 +5,29 @@
#include <cassert>
#include <cstdio>
#include <functional>
#include <vector>
#include "../../toxcore/crypto_core.h"
#include "../../toxcore/tox.h"
#include "../../toxcore/tox_dispatch.h"
#include "../../toxcore/tox_events.h"
#include "fuzz_support.hh"
#include "fuzz_tox.hh"
#include "../support/public/fuzz_data.hh"
#include "../support/public/fuzz_helpers.hh"
#include "../support/public/simulated_environment.hh"
namespace {
using tox::test::configure_fuzz_memory_source;
using tox::test::configure_fuzz_packet_source;
using tox::test::configure_fuzz_random_source;
using tox::test::FakeClock;
using tox::test::Fuzz_Data;
using tox::test::SimulatedEnvironment;
template <typename T>
using Ptr = std::unique_ptr<T, void (*)(T *)>;
void setup_callbacks(Tox_Dispatch *dispatch)
{
tox_events_callback_conference_connected(
@@ -131,9 +143,16 @@ void setup_callbacks(Tox_Dispatch *dispatch)
void TestEndToEnd(Fuzz_Data &input)
{
Fuzz_System sys(input);
// Used for places where we want all allocations to succeed.
Null_System null_sys;
SimulatedEnvironment env;
env.fake_clock().advance(1000000000); // Match legacy behavior
auto node = env.create_node(33445);
configure_fuzz_memory_source(env.fake_memory(), input);
configure_fuzz_packet_source(*node->endpoint, input);
configure_fuzz_random_source(env.fake_random(), input);
// Null system replacement for event comparison
SimulatedEnvironment null_env;
auto null_node = null_env.create_node(0);
Ptr<Tox_Options> opts(tox_options_new(nullptr), tox_options_free);
assert(opts != nullptr);
@@ -144,13 +163,31 @@ void TestEndToEnd(Fuzz_Data &input)
const char *message, void *user_data) {
// Log to stdout.
if (Fuzz_Data::FUZZ_DEBUG) {
std::printf("[tox1] %c %s:%u(%s): %s\n", tox_log_level_name(level), file, line,
func, message);
// Approximate level name mapping
char level_char = '?';
switch (level) {
case TOX_LOG_LEVEL_TRACE:
level_char = 'T';
break;
case TOX_LOG_LEVEL_DEBUG:
level_char = 'D';
break;
case TOX_LOG_LEVEL_INFO:
level_char = 'I';
break;
case TOX_LOG_LEVEL_WARNING:
level_char = 'W';
break;
case TOX_LOG_LEVEL_ERROR:
level_char = 'E';
break;
}
std::printf("[tox1] %c %s:%u(%s): %s\n", level_char, file, line, func, message);
}
});
Tox_Options_Testing tox_options_testing;
tox_options_testing.operating_system = sys.sys.get();
tox_options_testing.operating_system = &node->system;
Tox_Err_New error_new;
Tox_Err_New_Testing error_new_testing;
@@ -171,15 +208,18 @@ void TestEndToEnd(Fuzz_Data &input)
assert(dispatch != nullptr);
setup_callbacks(dispatch);
// MIN_ITERATION_INTERVAL = 20
const uint8_t MIN_ITERATION_INTERVAL = 20;
while (!input.empty()) {
Tox_Err_Events_Iterate error_iterate;
Tox_Events *events = tox_events_iterate(tox, true, &error_iterate);
assert(tox_events_equal(null_sys.sys.get(), events, events));
assert(tox_events_equal(&null_node->system, events, events));
tox_dispatch_invoke(dispatch, events, tox);
tox_events_free(events);
// Move the clock forward a decent amount so all the time-based checks
// trigger more quickly.
sys.clock += std::max(System::MIN_ITERATION_INTERVAL, random_u08(sys.rng.get()));
uint32_t rand_val = env.fake_random().uniform(256);
env.fake_clock().advance(std::max<uint64_t>(MIN_ITERATION_INTERVAL, rand_val));
}
tox_dispatch_free(dispatch);