1 /*
2 * Copyright 2020 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <functional>
18 #include <string>
19 #include <vector>
20
21 #include <utils/String8.h>
22
23 #include "fuzzer/FuzzedDataProvider.h"
24 #include "mediautils/BatteryNotifier.h"
25
26 static constexpr int kMaxOperations = 30;
27 static constexpr int kMaxStringLength = 500;
28 using android::BatteryNotifier;
29
30 std::vector<std::function<void(std::string /*flashlight_name*/, std::string /*camera_name*/,
31 uid_t /*video_id*/, uid_t /*audio_id*/, uid_t /*light_id*/,
32 uid_t /*camera_id*/)>>
33 operations = {
__anoneb7c61470102() 34 [](std::string, std::string, uid_t, uid_t, uid_t, uid_t) -> void {
35 BatteryNotifier::getInstance().noteResetVideo();
36 },
__anoneb7c61470202() 37 [](std::string, std::string, uid_t, uid_t, uid_t, uid_t) -> void {
38 BatteryNotifier::getInstance().noteResetAudio();
39 },
__anoneb7c61470302() 40 [](std::string, std::string, uid_t, uid_t, uid_t, uid_t) -> void {
41 BatteryNotifier::getInstance().noteResetFlashlight();
42 },
__anoneb7c61470402() 43 [](std::string, std::string, uid_t, uid_t, uid_t, uid_t) -> void {
44 BatteryNotifier::getInstance().noteResetCamera();
45 },
__anoneb7c61470502() 46 [](std::string, std::string, uid_t video_id, uid_t, uid_t, uid_t) -> void {
47 BatteryNotifier::getInstance().noteStartVideo(video_id);
48 },
__anoneb7c61470602() 49 [](std::string, std::string, uid_t video_id, uid_t, uid_t, uid_t) -> void {
50 BatteryNotifier::getInstance().noteStopVideo(video_id);
51 },
__anoneb7c61470702() 52 [](std::string, std::string, uid_t, uid_t audio_id, uid_t, uid_t) -> void {
53 BatteryNotifier::getInstance().noteStartAudio(audio_id);
54 },
__anoneb7c61470802() 55 [](std::string, std::string, uid_t, uid_t audio_id, uid_t, uid_t) -> void {
56 BatteryNotifier::getInstance().noteStopAudio(audio_id);
57 },
__anoneb7c61470902() 58 [](std::string flashlight_name, std::string, uid_t, uid_t, uid_t light_id, uid_t) -> void {
59 android::String8 name(flashlight_name.c_str());
60 BatteryNotifier::getInstance().noteFlashlightOn(name, light_id);
61 },
__anoneb7c61470a02() 62 [](std::string flashlight_name, std::string, uid_t, uid_t, uid_t light_id, uid_t) -> void {
63 android::String8 name(flashlight_name.c_str());
64 BatteryNotifier::getInstance().noteFlashlightOff(name, light_id);
65 },
__anoneb7c61470b02() 66 [](std::string, std::string camera_name, uid_t, uid_t, uid_t, uid_t camera_id) -> void {
67 android::String8 name(camera_name.c_str());
68 BatteryNotifier::getInstance().noteStartCamera(name, camera_id);
69 },
__anoneb7c61470c02() 70 [](std::string, std::string camera_name, uid_t, uid_t, uid_t, uid_t camera_id) -> void {
71 android::String8 name(camera_name.c_str());
72 BatteryNotifier::getInstance().noteStopCamera(name, camera_id);
73 },
74 };
75
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)76 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
77 FuzzedDataProvider data_provider(data, size);
78 std::string camera_name = data_provider.ConsumeRandomLengthString(kMaxStringLength);
79 std::string flashlight_name = data_provider.ConsumeRandomLengthString(kMaxStringLength);
80 uid_t video_id = data_provider.ConsumeIntegral<uid_t>();
81 uid_t audio_id = data_provider.ConsumeIntegral<uid_t>();
82 uid_t light_id = data_provider.ConsumeIntegral<uid_t>();
83 uid_t camera_id = data_provider.ConsumeIntegral<uid_t>();
84 size_t ops_run = 0;
85 while (data_provider.remaining_bytes() > 0 && ops_run++ < kMaxOperations) {
86 uint8_t op = data_provider.ConsumeIntegralInRange<uint8_t>(0, operations.size() - 1);
87 operations[op](flashlight_name, camera_name, video_id, audio_id, light_id, camera_id);
88 }
89 return 0;
90 }
91