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 "formabilityconnection_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #define protected public
23 #include "form_ability_connection.h"
24 #include "form_ams_helper.h"
25 #undef private
26 #undef protected
27 #include "securec.h"
28
29 using namespace OHOS::AppExecFwk;
30
31 namespace OHOS {
32 constexpr size_t U32_AT_SIZE = 4;
33 constexpr uint8_t ENABLE = 2;
GetU32Data(const char * ptr)34 uint32_t GetU32Data(const char* ptr)
35 {
36 // convert fuzz input data to an integer
37 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
38 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)39 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
40 {
41 FormAbilityConnection formAbilityConnection;
42 AppExecFwk::ElementName element;
43 sptr<IRemoteObject> remoteObjects = nullptr;
44 int resultCode = static_cast<int>(GetU32Data(data));
45 formAbilityConnection.OnAbilityConnectDone(element, remoteObjects, resultCode);
46 formAbilityConnection.GetProviderKey();
47 std::string bundleName(data, size);
48 std::string abilityName(data, size);
49 formAbilityConnection.SetProviderKey(bundleName, abilityName);
50 bool isFreeInstall = *data % ENABLE;
51 formAbilityConnection.SetFreeInstall(isFreeInstall);
52 int64_t formId = static_cast<int64_t>(GetU32Data(data));
53 formAbilityConnection.SetFormId(formId);
54 formAbilityConnection.GetFormId();
55 sptr<IRemoteObject> hostToken = nullptr;
56 formAbilityConnection.SetHostToken(hostToken);
57 formAbilityConnection.GetHostToken();
58 sptr<IRemoteObject> providerToken = nullptr;
59 formAbilityConnection.SetProviderToken(providerToken);
60 formAbilityConnection.GetProviderToken();
61 formAbilityConnection.GetAppMgr();
62 formAbilityConnection.onFormAppConnect();
63 formAbilityConnection.ReportFormAppUnbindEvent();
64 formAbilityConnection.GetBundleName();
65 formAbilityConnection.GetAppFormPid();
66 formAbilityConnection.OnAbilityDisconnectDone(element, resultCode);
67 int32_t connectId = static_cast<int32_t>(GetU32Data(data));
68 formAbilityConnection.SetConnectId(connectId);
69 FormAmsHelper formAmsHelper;
70 formAmsHelper.GetAbilityManager();
71 Want want;
72 sptr<AAFwk::IAbilityConnection> connect = nullptr;
73 formAmsHelper.ConnectServiceAbility(want, connect);
74 formAmsHelper.DisconnectServiceAbility(connect);
75 formAmsHelper.DisconnectServiceAbilityDelay(connect);
76 formAmsHelper.StopExtensionAbility(want);
77 formAmsHelper.RegisterConfigurationObserver();
78 formAmsHelper.UnRegisterConfigurationObserver();
79 sptr<AAFwk::IAbilityManager> abilityManager = nullptr;
80 formAmsHelper.SetAbilityManager(abilityManager);
81 formAmsHelper.DisconnectAbilityTask(connect);
82 int32_t userId = static_cast<int32_t>(GetU32Data(data));
83 formAmsHelper.StartAbility(want, userId);
84 return formAbilityConnection.GetConnectId();
85 }
86 }
87
88 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)89 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
90 {
91 /* Run your code on data */
92 if (data == nullptr) {
93 return 0;
94 }
95
96 if (size < OHOS::U32_AT_SIZE) {
97 return 0;
98 }
99
100 char* ch = static_cast<char*>(malloc(size + 1));
101 if (ch == nullptr) {
102 return 0;
103 }
104
105 (void)memset_s(ch, size + 1, 0x00, size + 1);
106 if (memcpy_s(ch, size + 1, data, size) != EOK) {
107 free(ch);
108 ch = nullptr;
109 return 0;
110 }
111
112 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
113 free(ch);
114 ch = nullptr;
115 return 0;
116 }
117
118