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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <stdint.h>
#include "cast/streaming/compound_rtcp_parser.h"
#include "cast/streaming/frame_id.h"
#include "cast/streaming/rtcp_session.h"
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
using openscreen::cast::CompoundRtcpParser;
using openscreen::cast::FrameId;
using openscreen::cast::RtcpSession;
using openscreen::cast::Ssrc;
constexpr Ssrc kSenderSsrcInSeedCorpus = 1;
constexpr Ssrc kReceiverSsrcInSeedCorpus = 2;
// Allocate the RtcpSession and CompoundRtcpParser statically (i.e., one-time
// init) to improve the fuzzer's execution rate. This is because RtcpSession
// also contains a NtpTimeConverter, which samples the system clock at
// construction time. There is no reason to re-construct these objects for
// each fuzzer test input.
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wexit-time-destructors"
static RtcpSession session(kSenderSsrcInSeedCorpus, kReceiverSsrcInSeedCorpus,
openscreen::Clock::time_point{});
static CompoundRtcpParser::Client client_that_ignores_everything;
static CompoundRtcpParser parser(&session, &client_that_ignores_everything);
#pragma clang diagnostic pop
const auto max_feedback_frame_id = FrameId::first() + 100;
parser.Parse(absl::Span<const uint8_t>(data, size), max_feedback_frame_id);
return 0;
}
#if defined(NEEDS_MAIN_TO_CALL_FUZZER_DRIVER)
// Forward declarations of Clang's built-in libFuzzer driver.
namespace fuzzer {
using TestOneInputCallback = int (*)(const uint8_t* data, size_t size);
int FuzzerDriver(int* argc, char*** argv, TestOneInputCallback callback);
} // namespace fuzzer
int main(int argc, char* argv[]) {
return fuzzer::FuzzerDriver(&argc, &argv, LLVMFuzzerTestOneInput);
}
#endif // defined(NEEDS_MAIN_TO_CALL_FUZZER_DRIVER)
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