1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
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 */
15
16 #include "bundleactiveonremoterequest_fuzzer.h"
17
18 #include "accesstoken_kit.h"
19 #include "app_mgr_interface.h"
20
21 #define private public
22 #include "system_ability_definition.h"
23 #include "iservice_registry.h"
24 #include "bundle_active_stub.h"
25
26 namespace OHOS {
27 namespace DeviceUsageStats {
28 constexpr int32_t MIN_LEN = 4;
29 constexpr int32_t MAX_CODE_TEST = 15; // current max code is 9
30 static bool isInited = false;
31 std::mutex mutexLock;
32 sptr<IRemoteObject> remoteObject;
33
DoInit()34 bool DoInit()
35 {
36 std::lock_guard<std::mutex> lock(mutexLock);
37 if (remoteObject != nullptr) {
38 return true;
39 }
40 sptr<ISystemAbilityManager> SystemAbilityManager =
41 SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
42 if (SystemAbilityManager == nullptr) {
43 return false;
44 }
45 remoteObject = SystemAbilityManager->GetSystemAbility(DEVICE_USAGE_STATISTICS_SYS_ABILITY_ID);
46 if (remoteObject == nullptr) {
47 return false;
48 }
49 return true;
50 }
51
OnRemoteRequest(uint32_t code,MessageParcel & data)52 int32_t OnRemoteRequest(uint32_t code, MessageParcel& data)
53 {
54 MessageParcel reply;
55 MessageOption option;
56 int32_t ret = remoteObject->SendRequest(code, data, reply, option);
57 return ret;
58 }
59
IpcBundleActiveStubFuzzTest(const uint8_t * data,size_t size)60 void IpcBundleActiveStubFuzzTest(const uint8_t* data, size_t size)
61 {
62 if (size <= MIN_LEN) {
63 return;
64 }
65
66 MessageParcel dataMessageParcel;
67 if (!dataMessageParcel.WriteInterfaceToken(BundleActiveStub::GetDescriptor())) {
68 return;
69 }
70
71 uint32_t code = *(reinterpret_cast<const uint32_t*>(data));
72 if (code > MAX_CODE_TEST) {
73 return;
74 }
75
76 size -= sizeof(uint32_t);
77
78 dataMessageParcel.WriteBuffer(data + sizeof(uint32_t), size);
79 dataMessageParcel.RewindRead(0);
80
81 if (!isInited) {
82 isInited = DoInit();
83 }
84 if (isInited) {
85 OnRemoteRequest(code, dataMessageParcel);
86 }
87 }
88 } // namespace DeviceUsageStats
89 } // namespace OHOS
90
91 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)92 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
93 {
94 /* Run your code on data */
95 OHOS::DeviceUsageStats::IpcBundleActiveStubFuzzTest(data, size);
96 return 0;
97 }
98
99