• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 "updateabilitystate_fuzzer.h"
17 
18 #include <cstddef>
19 #include <cstdint>
20 
21 #include "ability_record.h"
22 #include "app_mgr_client.h"
23 #include "parcel.h"
24 #include "securec.h"
25 
26 using namespace OHOS::AAFwk;
27 using namespace OHOS::AppExecFwk;
28 
29 namespace OHOS {
30 namespace {
31 constexpr size_t FOO_MAX_LEN = 1024;
32 constexpr size_t U32_AT_SIZE = 4;
33 }
34 
GetFuzzAbilityToken()35     sptr<Token> GetFuzzAbilityToken()
36     {
37         sptr<Token> token = nullptr;
38         AbilityRequest abilityRequest;
39         abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
40         abilityRequest.abilityInfo.name = "MainAbility";
41         abilityRequest.abilityInfo.type = AbilityType::DATA;
42         std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
43         if (abilityRecord) {
44             token = abilityRecord->GetToken();
45         }
46         return token;
47     }
48 
DoSomethingInterestingWithMyAPI(const char * data,size_t size)49     bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
50     {
51         AppMgrClient* appMgrClient = new AppMgrClient();
52         if (!appMgrClient) {
53             return false;
54         }
55 
56         sptr<IRemoteObject> token = GetFuzzAbilityToken();
57         if (!token) {
58             std::cout << "Get ability token failed." << std::endl;
59             return false;
60         }
61         AppExecFwk::AbilityState state = AppExecFwk::AbilityState::ABILITY_STATE_BEGIN;
62 
63         if (appMgrClient->UpdateAbilityState(token, state) != AppMgrResultCode::RESULT_OK) {
64             return false;
65         }
66 
67         return true;
68     }
69 }
70 
71 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)72 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
73 {
74     /* Run your code on data */
75     if (data == nullptr) {
76         std::cout << "invalid data" << std::endl;
77         return 0;
78     }
79 
80     /* Validate the length of size */
81     if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
82         return 0;
83     }
84 
85     char* ch = (char *)malloc(size + 1);
86     if (ch == nullptr) {
87         std::cout << "malloc failed." << std::endl;
88         return 0;
89     }
90 
91     (void)memset_s(ch, size + 1, 0x00, size + 1);
92     if (memcpy_s(ch, size, data, size) != EOK) {
93         std::cout << "copy failed." << std::endl;
94         free(ch);
95         ch = nullptr;
96         return 0;
97     }
98 
99     OHOS::DoSomethingInterestingWithMyAPI(ch, size);
100     free(ch);
101     ch = nullptr;
102     return 0;
103 }
104 
105