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 #define private public
17 #include <cstddef>
18 #include <cstdint>
19 #include <iostream>
20 #include "bundle_distributed_manager.h"
21 #include "distributedmanager_fuzzer.h"
22 #include "securec.h"
23
24 using namespace OHOS::AppExecFwk;
25 using namespace OHOS::AAFwk;
26 namespace OHOS {
27 constexpr size_t U32_AT_SIZE = 4;
28 constexpr size_t MESSAGE_SIZE = 21;
29 constexpr size_t DCAMERA_SHIFT_24 = 24;
30 constexpr size_t DCAMERA_SHIFT_16 = 16;
31 constexpr size_t DCAMERA_SHIFT_8 = 8;
32 const std::string EMPTY_STRING = "";
33 std::string DEVICE_ID_NORMAL = "deviceId";
34 const std::string BUNDLE_NAME_TEST = "com.example.bundlekit.test";
35 std::string BUNDLE_NAME_MY_APPLICATION = "com.example.MyApplication";
36 std::string MODULE_NAME_MY_APPLICATION = "com.example.MyModuleName";
37 std::string ABILITY_NAME_MY_APPLICATION = "com.example.MyApplication.MainAbility";
GetU32Data(const char * ptr)38 uint32_t GetU32Data(const char* ptr)
39 {
40 return (ptr[0] << DCAMERA_SHIFT_24) | (ptr[1] << DCAMERA_SHIFT_16) | (ptr[2] << DCAMERA_SHIFT_8) | (ptr[3]);
41 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)42 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
43 {
44 BundleDistributedManager bundleDistributedManager;
45 Want want;
46 int32_t missionId = static_cast<int32_t>(GetU32Data(data));
47 int32_t userId = static_cast<int32_t>(GetU32Data(data));
48 sptr<IRemoteObject> callerToken = nullptr;
49 std::string deviceId = DEVICE_ID_NORMAL;
50 std::string bundleName = BUNDLE_NAME_TEST;
51 std::string moduleName = MODULE_NAME_MY_APPLICATION;
52 std::string abilityName = ABILITY_NAME_MY_APPLICATION;
53 want.SetElementName(deviceId, bundleName, moduleName, abilityName);
54 bundleDistributedManager.CheckAbilityEnableInstall(want, missionId, userId, callerToken);
55 bundleDistributedManager.OnQueryRpcIdFinished(EMPTY_STRING);
56 return true;
57 }
58 }
59
60 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)61 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
62 {
63 /* Run your code on data */
64 if (data == nullptr) {
65 return 0;
66 }
67
68 /* Validate the length of size */
69 if (size < OHOS::U32_AT_SIZE) {
70 return 0;
71 }
72
73 char* ch = (char*)malloc(size + 1);
74 if (ch == nullptr) {
75 std::cout << "malloc failed." << std::endl;
76 return 0;
77 }
78
79 (void)memset_s(ch, size + 1, 0x00, size + 1);
80 if (memcpy_s(ch, size + 1, data, size) != EOK) {
81 std::cout << "copy failed." << std::endl;
82 free(ch);
83 ch = nullptr;
84 return 0;
85 }
86
87 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
88 free(ch);
89 ch = nullptr;
90 return 0;
91 }