test/fuzzers/pseudotcp_parser_fuzzer.cc

/*
 *  Copyright (c) 2016 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 <stddef.h>
#include <stdint.h>

#include "p2p/base/pseudo_tcp.h"
#include "rtc_base/thread.h"

namespace webrtc {
class FakeIPseudoTcpNotify : public cricket::IPseudoTcpNotify {
 public:
  void OnTcpOpen(cricket::PseudoTcp* tcp) {}
  void OnTcpReadable(cricket::PseudoTcp* tcp) {}
  void OnTcpWriteable(cricket::PseudoTcp* tcp) {}
  void OnTcpClosed(cricket::PseudoTcp* tcp, uint32_t error) {}

  cricket::IPseudoTcpNotify::WriteResult TcpWritePacket(cricket::PseudoTcp* tcp,
                                                        const char* buffer,
                                                        size_t len) {
    return cricket::IPseudoTcpNotify::WriteResult::WR_SUCCESS;
  }
};

struct Environment {
  explicit Environment(cricket::IPseudoTcpNotify* notifier)
      : ptcp(notifier, 0) {}

  // We need the thread to avoid some uninteresting crashes, since the
  // production code expects there to be a thread object available.
  rtc::AutoThread thread;
  cricket::PseudoTcp ptcp;
};

Environment* env = new Environment(new FakeIPseudoTcpNotify());

void FuzzOneInput(const uint8_t* data, size_t size) {
  env->ptcp.NotifyPacket(reinterpret_cast<const char*>(data), size);
}
}  // namespace webrtc