test/fuzzers/dcsctp_packet_fuzzer.cc

/*
 *  Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */
#include <cstddef>
#include <optional>

#include "net/dcsctp/packet/chunk/chunk.h"
#include "net/dcsctp/packet/sctp_packet.h"
#include "test/fuzzers/fuzz_data_helper.h"

namespace webrtc {
using dcsctp::SctpPacket;

void FuzzOneInput(FuzzDataHelper fuzz_data) {
  std::optional<SctpPacket> c = SctpPacket::Parse(
      fuzz_data.ReadRemaining(), {.disable_checksum_verification = true});

  if (!c.has_value()) {
    return;
  }

  for (const SctpPacket::ChunkDescriptor& desc : c->descriptors()) {
    dcsctp::DebugConvertChunkToString(desc.data);
  }
}
}  // namespace webrtc