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