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 "killprocesswithaccount_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "app_mgr_interface.h"
22 #include "system_ability_definition.h"
23 #include "iservice_registry.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 }
GetAppManagerInstance()34 sptr<IAppMgr> GetAppManagerInstance()
35 {
36 OHOS::sptr<OHOS::ISystemAbilityManager> systemAbilityManager =
37 OHOS::SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
38 OHOS::sptr<OHOS::IRemoteObject> appObject = systemAbilityManager->GetSystemAbility(OHOS::APP_MGR_SERVICE_ID);
39 return OHOS::iface_cast<OHOS::AppExecFwk::IAppMgr>(appObject);
40 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)41 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
42 {
43 std::string bundleName = "com.ohos.fuzzTest";
44 int32_t accountId = 0;
45 sptr<IAppMgr> appManager = GetAppManagerInstance();
46 if (!appManager) {
47 return false;
48 }
49
50 if (appManager->GetAmsMgr()->KillProcessWithAccount(bundleName, accountId) != 0) {
51 return false;
52 }
53
54 return true;
55 }
56 }
57
58 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)59 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
60 {
61 /* Run your code on data */
62 if (data == nullptr) {
63 std::cout << "invalid data" << std::endl;
64 return 0;
65 }
66
67 /* Validate the length of size */
68 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
69 return 0;
70 }
71
72 char* ch = (char *)malloc(size + 1);
73 if (ch == nullptr) {
74 std::cout << "malloc failed." << std::endl;
75 return 0;
76 }
77
78 (void)memset_s(ch, size + 1, 0x00, size + 1);
79 if (memcpy_s(ch, size, data, size) != EOK) {
80 std::cout << "copy failed." << std::endl;
81 free(ch);
82 ch = nullptr;
83 return 0;
84 }
85
86 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
87 free(ch);
88 ch = nullptr;
89 return 0;
90 }
91
92