1 /*
2  * Copyright (c) 2022-2023 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 "devicestatusagent_fuzzer.h"
17 
18 #include "fi_log.h"
19 
20 #undef LOG_TAG
21 #define LOG_TAG "DeviceStatusAgentFuzzTest"
22 
23 namespace OHOS {
24 namespace Msdp {
25 namespace DeviceStatus {
26 namespace {
27 constexpr int32_t WAIT_TIME { 1000 };
28 } // namespace
29 
30 static std::shared_ptr<DevicestatusAgentFuzzer::DeviceStatusAgentClient> agentEvent_ =
31             std::make_shared<DevicestatusAgentFuzzer::DeviceStatusAgentClient>();
32 static std::shared_ptr<DeviceStatusAgent> agent_ = std::make_shared<DeviceStatusAgent>();
33 
OnEventResult(const Data & devicestatusData)34 bool DevicestatusAgentFuzzer::DeviceStatusAgentClient::OnEventResult(
35     const Data& devicestatusData)
36 {
37     std::cout << "type: " << devicestatusData.type << std::endl;
38     std::cout << "value: " << devicestatusData.value << std::endl;
39     return true;
40 }
41 
TestSubscribeAgentEvent(const uint8_t * data)42 void DevicestatusAgentFuzzer::TestSubscribeAgentEvent(const uint8_t* data)
43 {
44     std::cout << "TestSubscribeAgentEvent: Enter" << std::endl;
45     int32_t type[1] { -1 };
46     int32_t idSize = 4;
47     errno_t ret = memcpy_s(type, sizeof(type), data, idSize);
48     if (ret != EOK) {
49         FI_HILOGE("memcpy_s failed");
50         return;
51     }
52 
53     agent_->SubscribeAgentEvent(static_cast<Type>(type[0]), ActivityEvent::ENTER_EXIT,
54         ReportLatencyNs::LONG, agentEvent_);
55 
56     std::this_thread::sleep_for(std::chrono::milliseconds(WAIT_TIME));
57     TestUnSubscribeAgentEvent(static_cast<Type>(type[0]));
58 }
59 
TestUnSubscribeAgentEvent(Type type)60 void DevicestatusAgentFuzzer::TestUnSubscribeAgentEvent(Type type)
61 {
62     std::cout << "TestUnSubscribeAgentEvent: Enter" << std::endl;
63 
64     agent_->UnsubscribeAgentEvent(type, ActivityEvent::ENTER_EXIT);
65 }
66 
TestSubscribeAgentEventIsNullptr(const uint8_t * data)67 void DevicestatusAgentFuzzer::TestSubscribeAgentEventIsNullptr(const uint8_t* data)
68 {
69     std::cout << "TestSubscribeAgentEventIsNullptr: Enter" << std::endl;
70     int32_t type[1] { -1 };
71     int32_t idSize = 4;
72     errno_t ret = memcpy_s(type, sizeof(type), data, idSize);
73     if (ret != EOK) {
74         FI_HILOGE("memcpy_s failed");
75         return;
76     }
77     agentEvent_ = nullptr;
78 
79     agent_->SubscribeAgentEvent(static_cast<Type>(type[0]), ActivityEvent::ENTER_EXIT,
80         ReportLatencyNs::LONG, agentEvent_);
81 
82     std::this_thread::sleep_for(std::chrono::milliseconds(WAIT_TIME));
83     TestUnSubscribeAgentEvent(static_cast<Type>(type[0]));
84 }
85 
TestSubscribeAgentEventTypeIsNullptr(const uint8_t * data)86 void DevicestatusAgentFuzzer::TestSubscribeAgentEventTypeIsNullptr(const uint8_t* data)
87 {
88     std::cout << "TestSubscribeAgentEventTypeIsNullptr: Enter" << std::endl;
89     int32_t type[1];
90     int32_t idSize = 4;
91     errno_t ret = memcpy_s(type, sizeof(type), data, idSize);
92     if (ret != EOK) {
93         FI_HILOGE("memcpy_s failed");
94         return;
95     }
96 
97     agent_->SubscribeAgentEvent(static_cast<Type>(type[0]), ActivityEvent::ENTER_EXIT,
98         ReportLatencyNs::LONG, agentEvent_);
99 
100     std::this_thread::sleep_for(std::chrono::milliseconds(WAIT_TIME));
101     TestUnSubscribeAgentEventTypeIsNullptr(static_cast<Type>(type[0]));
102 }
103 
TestUnSubscribeAgentEventTypeIsNullptr(Type type)104 void DevicestatusAgentFuzzer::TestUnSubscribeAgentEventTypeIsNullptr(Type type)
105 {
106     std::cout << "TestUnSubscribeAgentEventTypeIsNullptr: Enter" << std::endl;
107 
108     agent_->UnsubscribeAgentEvent(type, ActivityEvent::ENTER_EXIT);
109 }
110 
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)111 bool DevicestatusAgentFuzzer::DoSomethingInterestingWithMyAPI(const uint8_t* data, size_t size)
112 {
113     size_t idSize = 8;
114     if (size > idSize) {
115         DevicestatusAgentFuzzer::TestSubscribeAgentEvent(data);
116         DevicestatusAgentFuzzer::TestSubscribeAgentEventIsNullptr(data);
117         DevicestatusAgentFuzzer::TestSubscribeAgentEventTypeIsNullptr(data);
118     }
119     return true;
120 }
121 
122 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)123 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
124 {
125     /* Run your code on data */
126     OHOS::Msdp::DeviceStatus::DevicestatusAgentFuzzer::DoSomethingInterestingWithMyAPI(data, size);
127     return 0;
128 }
129 } // namespace DeviceStatus
130 } // namespace Msdp
131 } // namespace OHOS