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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,93 @@ | ||
| #include "net_crypto.h" | ||
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| #include <cassert> | ||
| #include <cstring> | ||
| #include <functional> | ||
| #include <memory> | ||
| #include <optional> | ||
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| #include "../testing/fuzzing/fuzz_support.hh" | ||
| #include "../testing/fuzzing/fuzz_tox.hh" | ||
| #include "DHT.h" | ||
| #include "TCP_client.h" | ||
| #include "network.h" | ||
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| namespace { | ||
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| std::optional<std::tuple<IP_Port, uint8_t>> prepare(Fuzz_Data &input) | ||
| { | ||
| IP_Port ipp; | ||
| ip_init(&ipp.ip, true); | ||
| ipp.port = 33445; | ||
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| CONSUME_OR_RETURN_VAL(const uint8_t *iterations_packed, input, 1, std::nullopt); | ||
| uint8_t iterations = *iterations_packed; | ||
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| return {{ipp, iterations}}; | ||
| } | ||
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| void TestNetCrypto(Fuzz_Data &input) | ||
| { | ||
| const auto prep = prepare(input); | ||
| if (!prep.has_value()) { | ||
| return; | ||
| } | ||
| const auto [ipp, iterations] = prep.value(); | ||
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| // rest of the fuzz data is input for malloc and network | ||
| Fuzz_System sys(input); | ||
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| const Ptr<Logger> logger(logger_new(sys.mem.get()), logger_kill); | ||
| if (logger == nullptr) { | ||
| return; | ||
| } | ||
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| const Ptr<Networking_Core> net(new_networking_ex(logger.get(), sys.mem.get(), sys.ns.get(), | ||
| &ipp.ip, ipp.port, ipp.port + 100, nullptr), | ||
| kill_networking); | ||
| if (net == nullptr) { | ||
| return; | ||
| } | ||
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| const std::unique_ptr<Mono_Time, std::function<void(Mono_Time *)>> mono_time( | ||
| mono_time_new( | ||
| sys.mem.get(), [](void *user_data) { return *static_cast<uint64_t *>(user_data); }, | ||
| &sys.clock), | ||
| [mem = sys.mem.get()](Mono_Time *ptr) { mono_time_free(mem, ptr); }); | ||
| if (mono_time == nullptr) { | ||
| return; | ||
| } | ||
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| const Ptr<DHT> dht(new_dht(logger.get(), sys.mem.get(), sys.rng.get(), sys.ns.get(), | ||
| mono_time.get(), net.get(), false, false), | ||
| kill_dht); | ||
| if (dht == nullptr) { | ||
| return; | ||
| } | ||
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| const TCP_Proxy_Info proxy_info = {0}; | ||
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| const Ptr<Net_Crypto> net_crypto(new_net_crypto(logger.get(), sys.mem.get(), sys.rng.get(), | ||
| sys.ns.get(), mono_time.get(), dht.get(), &proxy_info), | ||
| kill_net_crypto); | ||
| if (net_crypto == nullptr) { | ||
| return; | ||
| } | ||
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| for (uint8_t i = 0; i < iterations; ++i) { | ||
| networking_poll(net.get(), nullptr); | ||
| do_dht(dht.get()); | ||
| do_net_crypto(net_crypto.get(), nullptr); | ||
| // "Sleep" | ||
| sys.clock += System::BOOTSTRAP_ITERATION_INTERVAL; | ||
| } | ||
| } | ||
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| } // namespace | ||
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| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size); | ||
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) | ||
| { | ||
| fuzz_select_target<TestNetCrypto>(data, size); | ||
| return 0; | ||
| } |
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