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