1// Copyright 2021 gRPC authors. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15syntax = "proto3"; 16 17package binder_transport_fuzzer; 18 19message Binder {} 20 21message Value { 22 oneof data_type { 23 int32 i32 = 1; 24 int64 i64 = 2; 25 bytes byte_array = 3; 26 // Strings in Parcel could also contain non UTF-8 data so we use bytes 27 // to represent string here 28 bytes str = 4; 29 Binder binder = 5; 30 } 31} 32 33message Parcel { 34 repeated Value values = 1; 35 36 // Simulates the return value of AParcel_getDataSize 37 // (The value generated by protobuf libprotobuf-mutator might not always make sense 38 // but the transport implementation should handle that) 39 int32 data_size = 2; 40} 41 42enum TransactionCode { 43 INVALID = 0; 44 SETUP_TRANSPORT = 1; 45 SHUTDOWN_TRANSPORT = 2; 46 ACKNOWLEDGE_BYTES = 3; 47 PING = 4; 48 PING_RESPONSE = 5; 49} 50 51message Transaction { 52 TransactionCode code = 1; 53 int32 uid = 2; 54 Parcel parcel = 3; 55} 56 57// Special parcel that used for setting up transport. 58// TODO(mingcl): Consider also fuzzing the setup transport code path 59message SetupTransportParcel { 60 int32 version = 1; 61 62 // Simulates the return value of AParcel_getDataSize 63 // (The value generated by protobuf libprotobuf-mutator might not always make sense 64 // but the transport implementation should handle that) 65 int32 data_size = 2; 66} 67 68message SetupTransportTransaction { 69 int32 uid = 1; 70 SetupTransportParcel parcel = 2; 71} 72 73message IncomingParcels { 74 SetupTransportTransaction setup_transport_transaction = 1; 75 repeated Transaction transactions = 2; 76} 77 78message Input { 79 IncomingParcels incoming_parcels = 1; 80} 81 82