mojo/core/test/data/channel_mac/channel_mac.proto

// 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.

syntax = "proto2";

package mojo_fuzzer;

import "mach_message.proto";

// Extension to MachMessage that enables fuzzing the internal structure of
// the Mojo message data.
message MojoMessage {
  extend mach_fuzzer.MachMessage { optional MojoMessage mojo_message = 100; }

  // For inline message data, controls the first uint64 of the message data,
  // which should be the length of |data|. If this is not set, then the byte
  // length of |data| will be used instead.
  optional uint64 data_length = 1;

  // Inline message data to send. To fuzz OOL message sending, use a
  // descriptor on MachMessage.
  required bytes data = 2;
}

message ChannelMac {
  enum EndpointType {
    LOCAL = 0;
    REMOTE = 1;
  }

  // Controls what endpoint type should be used when setting up the channel
  // for fuzzing.
  required EndpointType endpoint_type = 1;

  // If false, then a second channel will be created to properly handshake
  // the Channel. If true, then the fuzzer will not handshake the channel
  // to let the handshake protocol be fuzzed.
  required bool fuzz_handshake = 2;

  // Messages to enqueue on the channel. These are sent directly to the
  // channel's Mach port and do not go through Channel::Write().
  repeated mach_fuzzer.MachMessage messages = 3;
}