1 /*
2 * Copyright (c) 2024 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 "apprunningstatusproxy_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "app_running_status_proxy.h"
22
23 #include "ability_record.h"
24 #include "parcel.h"
25 #include "securec.h"
26 #include "want.h"
27
28 using namespace OHOS::AAFwk;
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
32 namespace {
33 constexpr int INPUT_ZERO = 0;
34 constexpr int INPUT_ONE = 1;
35 constexpr int INPUT_THREE = 3;
36 constexpr size_t U32_AT_SIZE = 4;
37 constexpr uint8_t ENABLE = 2;
38 constexpr size_t OFFSET_ZERO = 24;
39 constexpr size_t OFFSET_ONE = 16;
40 constexpr size_t OFFSET_TWO = 8;
41 }
42
43 const std::u16string APPMGR_INTERFACE_TOKEN = u"ohos.aafwk.AppManager";
GetU32Data(const char * ptr)44 uint32_t GetU32Data(const char* ptr)
45 {
46 // convert fuzz input data to an integer
47 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
48 ptr[INPUT_THREE];
49 }
50
DoSomethingInterestingWithMyAPI(const char * data,size_t size)51 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
52 {
53 sptr<IRemoteObject> impl;
54 auto appRunningStatusProxy = std::make_shared<AbilityRuntime::AppRunningStatusProxy>(impl);
55 std::string bundle(data, size);
56 int32_t uid = static_cast<int32_t>(GetU32Data(data));
57 AbilityRuntime::RunningStatus runningStatus = AbilityRuntime::RunningStatus::APP_RUNNING_START;
58 appRunningStatusProxy->NotifyAppRunningStatus(bundle, uid, runningStatus);
59 runningStatus = AbilityRuntime::RunningStatus::APP_RUNNING_STOP;
60 appRunningStatusProxy->NotifyAppRunningStatus(bundle, uid, runningStatus);
61
62 return true;
63 }
64 }
65
66 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)67 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
68 {
69 /* Run your code on data */
70 if (data == nullptr) {
71 std::cout << "invalid data" << std::endl;
72 return 0;
73 }
74
75 /* Validate the length of size */
76 if (size < OHOS::U32_AT_SIZE) {
77 return 0;
78 }
79
80 char* ch = static_cast<char*>(malloc(size + 1));
81 if (ch == nullptr) {
82 std::cout << "malloc failed." << std::endl;
83 return 0;
84 }
85
86 (void)memset_s(ch, size + 1, 0x00, size + 1);
87 if (memcpy_s(ch, size + 1, data, size) != EOK) {
88 std::cout << "copy failed." << std::endl;
89 free(ch);
90 ch = nullptr;
91 return 0;
92 }
93
94 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
95 free(ch);
96 ch = nullptr;
97 return 0;
98 }
99