1 /*
2 * Copyright (c) 2022-2023 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 "appmgrrest_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "app_death_recipient.h"
22 #include "app_mgr_service_event_handler.h"
23 #define private public
24 #include "app_spawn_client.h"
25 #undef private
26 #include "remote_client_manager.h"
27 #include "window_focus_changed_listener.h"
28 #include "ability_record.h"
29 #include "parcel.h"
30 #include "securec.h"
31
32 using namespace OHOS::AAFwk;
33 using namespace OHOS::AppExecFwk;
34
35 namespace OHOS {
36 namespace {
37 constexpr int INPUT_ZERO = 0;
38 constexpr int INPUT_ONE = 1;
39 constexpr int INPUT_THREE = 3;
40 constexpr size_t FOO_MAX_LEN = 1024;
41 constexpr size_t U32_AT_SIZE = 4;
42 constexpr uint8_t ENABLE = 2;
43 constexpr size_t OFFSET_ZERO = 24;
44 constexpr size_t OFFSET_ONE = 16;
45 constexpr size_t OFFSET_TWO = 8;
46 }
GetU32Data(const char * ptr)47 uint32_t GetU32Data(const char* ptr)
48 {
49 // convert fuzz input data to an integer
50 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
51 ptr[INPUT_THREE];
52 }
GetFuzzAbilityToken()53 sptr<Token> GetFuzzAbilityToken()
54 {
55 sptr<Token> token = nullptr;
56
57 AbilityRequest abilityRequest;
58 abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
59 abilityRequest.abilityInfo.name = "MainAbility";
60 abilityRequest.abilityInfo.type = AbilityType::PAGE;
61 std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
62 if (abilityRecord) {
63 token = abilityRecord->GetToken();
64 }
65
66 return token;
67 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)68 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
69 {
70 sptr<AppDeathRecipient> appDeathRecipient = new AppDeathRecipient();
71 wptr<IRemoteObject> remote;
72 appDeathRecipient->OnRemoteDied(remote);
73 std::shared_ptr<AAFwk::TaskHandlerWrap> handler;
74 appDeathRecipient->SetTaskHandler(handler);
75 std::shared_ptr<AppMgrServiceInner> serviceInner;
76 appDeathRecipient->SetAppMgrServiceInner(serviceInner);
77 bool isRenderProcess = *data % ENABLE;
78 appDeathRecipient->SetIsRenderProcess(isRenderProcess);
79 AppSpawnClient appSpawnClient;
80 appSpawnClient.OpenConnection();
81 appSpawnClient.PreStartNWebSpawnProcess();
82 AppSpawnStartMsg startMsg;
83 pid_t pid = static_cast<pid_t>(GetU32Data(data));
84 appSpawnClient.StartProcess(startMsg, pid);
85 int status = static_cast<int>(GetU32Data(data));
86 appSpawnClient.GetRenderProcessTerminationStatus(startMsg, status);
87 appSpawnClient.QueryConnectionState();
88 RemoteClientManager remoteClientManager;
89 std::shared_ptr<BundleMgrHelper> bundleManagerHelper = nullptr;
90 remoteClientManager.SetBundleManagerHelper(bundleManagerHelper);
91 std::shared_ptr<AppSpawnClient> appSpawnClientptr;
92 remoteClientManager.SetSpawnClient(appSpawnClientptr);
93 remoteClientManager.GetSpawnClient();
94 remoteClientManager.GetBundleManagerHelper();
95 remoteClientManager.GetNWebSpawnClient();
96 std::shared_ptr<AppMgrServiceInner> owner;
97 WindowFocusChangedListener windowFocusChangedListener(owner, handler);
98 sptr<Rosen::FocusChangeInfo> focusChangeInfo = nullptr;
99 windowFocusChangedListener.OnFocused(focusChangeInfo);
100 windowFocusChangedListener.OnUnfocused(focusChangeInfo);
101 return (appSpawnClient.StartProcess(startMsg, pid) != 0);
102 }
103 }
104
105 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)106 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
107 {
108 /* Run your code on data */
109 if (data == nullptr) {
110 std::cout << "invalid data" << std::endl;
111 return 0;
112 }
113
114 /* Validate the length of size */
115 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
116 return 0;
117 }
118
119 char* ch = static_cast<char*>(malloc(size + 1));
120 if (ch == nullptr) {
121 std::cout << "malloc failed." << std::endl;
122 return 0;
123 }
124
125 (void)memset_s(ch, size + 1, 0x00, size + 1);
126 if (memcpy_s(ch, size, data, size) != EOK) {
127 std::cout << "copy failed." << std::endl;
128 free(ch);
129 ch = nullptr;
130 return 0;
131 }
132
133 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
134 free(ch);
135 ch = nullptr;
136 return 0;
137 }
138
139