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
28 constexpr size_t FOO_MAX_LEN = 1024;
29 constexpr size_t U32_AT_SIZE = 4;
30 constexpr size_t MESSAGE_SIZE = 21;
31 constexpr size_t DCAMERA_SHIFT_24 = 24;
32 constexpr size_t DCAMERA_SHIFT_16 = 16;
33 constexpr size_t DCAMERA_SHIFT_8 = 8;
34 const std::string EMPTY_STRING = "";
35 std::string DEVICE_ID_NORMAL = "deviceId";
36 const std::string BUNDLE_NAME_TEST = "com.example.bundlekit.test";
37 std::string BUNDLE_NAME_MY_APPLICATION = "com.example.MyApplication";
38 std::string MODULE_NAME_MY_APPLICATION = "com.example.MyModuleName";
39 std::string ABILITY_NAME_MY_APPLICATION = "com.example.MyApplication.MainAbility";
GetU32Data(const char * ptr)40 uint32_t GetU32Data(const char* ptr)
41 {
42 return (ptr[0] << DCAMERA_SHIFT_24) | (ptr[1] << DCAMERA_SHIFT_16) | (ptr[2] << DCAMERA_SHIFT_8) | (ptr[3]);
43 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)44 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
45 {
46 BundleDistributedManager bundleDistributedManager;
47 Want want;
48 int32_t missionId = static_cast<int32_t>(GetU32Data(data));
49 int32_t userId = static_cast<int32_t>(GetU32Data(data));
50 sptr<IRemoteObject> callerToken = nullptr;
51 std::string deviceId = DEVICE_ID_NORMAL;
52 std::string bundleName = BUNDLE_NAME_TEST;
53 std::string moduleName = MODULE_NAME_MY_APPLICATION;
54 std::string abilityName = ABILITY_NAME_MY_APPLICATION;
55 want.SetElementName(deviceId, bundleName, moduleName, abilityName);
56 bundleDistributedManager.CheckAbilityEnableInstall(want, missionId, userId, callerToken);
57 bundleDistributedManager.OnQueryRpcIdFinished(EMPTY_STRING);
58 return true;
59 }
60 }
61
62 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)63 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
64 {
65 /* Run your code on data */
66 if (data == nullptr) {
67 return 0;
68 }
69
70 /* Validate the length of size */
71 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
72 return 0;
73 }
74
75 char* ch = (char*)malloc(size + 1);
76 if (ch == nullptr) {
77 std::cout << "malloc failed." << std::endl;
78 return 0;
79 }
80
81 (void)memset_s(ch, size + 1, 0x00, size + 1);
82 if (memcpy_s(ch, size + 1, data, size) != EOK) {
83 std::cout << "copy failed." << std::endl;
84 free(ch);
85 ch = nullptr;
86 return 0;
87 }
88
89 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
90 free(ch);
91 ch = nullptr;
92 return 0;
93 }