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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
syntax = "proto2";
package mach_fuzzer;
// Specifies a type of Mach port right to create.
enum MachPortType {
// Create a receive right and move it to the peer, while holding
// a send right.
RECEIVE = 0;
// Create a receive right and make a send right during mach_msg.
SEND = 1;
// Create a receive right and vend a send-once right during mach_msg.
SEND_ONCE = 2;
// Create a dead name right and give a send right to it to the peer.
DEAD_NAME = 3;
// Create a receive right with no senders and move the receive right
// to the peer.
RECEIVE_NO_SENDERS = 4;
}
// Data to send in an out-of-line memory region in Mach message descriptor.
message OutOfLineMemory {
required bytes data = 1;
}
// Models a mach_msg_descriptor_t.
message Descriptor {
oneof descriptor_oneof {
MachPortType port = 1;
OutOfLineMemory ool = 2;
}
}
// Models a Mach message structure including the header, optional body,
// and inline data.
message MachMessage {
// Creates an optional port to put in msgh_local_port. If this is a receive
// right, it will be dropped.
optional MachPortType local_port = 1;
// The msgh_id field.
optional uint32 id = 2;
// Optional Descriptors to carry in the message.
repeated Descriptor descriptors = 3;
// If no Descriptors are present, whether or not to include a mach_msg_body_t
// in the message.
required bool include_body_if_not_complex = 4;
// Raw data bytes to send inline with the message.
optional bytes data = 5;
// Extensions can be used by clients to express structured message data,
// which can be converted into bytes and placed in |data|.
extensions 100 to 199;
}
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