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 "assertfaultproxy_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "assert_fault_proxy.h"
23 #undef private
24 #include "ability_record.h"
25
26 using namespace OHOS::AAFwk;
27 using namespace OHOS::AppExecFwk;
28
29 namespace OHOS {
30 namespace {
31 constexpr int INPUT_ZERO = 0;
32 constexpr int INPUT_ONE = 1;
33 constexpr int INPUT_THREE = 3;
34 constexpr size_t U32_AT_SIZE = 4;
35 constexpr uint8_t ENABLE = 2;
36 constexpr size_t OFFSET_ZERO = 24;
37 constexpr size_t OFFSET_ONE = 16;
38 constexpr size_t OFFSET_TWO = 8;
39 }
GetU32Data(const char * ptr)40 uint32_t GetU32Data(const char* ptr)
41 {
42 // convert fuzz input data to an integer
43 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
44 ptr[INPUT_THREE];
45 }
46
DoSomethingInterestingWithMyAPI(const char * data,size_t size)47 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
48 {
49 AAFwk::UserStatus status = AAFwk::ASSERT_TERMINATE;
50 wptr<IRemoteObject> remote;
51 sptr<IRemoteObject> impl;
52 auto assertFaultProxy = std::make_shared<AbilityRuntime::AssertFaultProxy>(impl);
53 assertFaultProxy->NotifyDebugAssertResult(status);
54
55 AbilityRuntime::AssertFaultRemoteDeathRecipient::RemoteDiedHandler handler;
56 auto assertFaultRemoteDeathRecipient =
57 std::make_shared<AbilityRuntime::AssertFaultRemoteDeathRecipient>(handler);
58 assertFaultRemoteDeathRecipient->OnRemoteDied(remote);
59
60 auto modalSystemAssertUIExtension = std::make_shared<AbilityRuntime::ModalSystemAssertUIExtension>();
61 Want want;
62 modalSystemAssertUIExtension->CreateModalUIExtension(want);
63
64 auto assertDialogConnection =
65 std::make_shared<AbilityRuntime::ModalSystemAssertUIExtension::AssertDialogConnection>();
66 assertDialogConnection->SetReqeustAssertDialogWant(want);
67 AppExecFwk::ElementName element;
68 sptr<IRemoteObject> remoteObject;
69 int intParam = static_cast<int>(GetU32Data(data));
70 assertDialogConnection->OnAbilityConnectDone(element, remoteObject, intParam);
71 assertDialogConnection->OnAbilityDisconnectDone(element, intParam);
72 modalSystemAssertUIExtension->DisconnectSystemUI();
73 modalSystemAssertUIExtension->TryNotifyOneWaitingThread();
74 modalSystemAssertUIExtension->TryNotifyOneWaitingThreadInner();
75 modalSystemAssertUIExtension->GetConnection();
76 modalSystemAssertUIExtension->dialogConnectionCallback_ = nullptr;
77 modalSystemAssertUIExtension->GetConnection();
78
79 return true;
80 }
81 } // namespace OHOS
82
83 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)84 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
85 {
86 /* Run your code on data */
87 if (data == nullptr) {
88 std::cout << "invalid data" << std::endl;
89 return 0;
90 }
91
92 /* Validate the length of size */
93 if (size < OHOS::U32_AT_SIZE) {
94 return 0;
95 }
96
97 char* ch = static_cast<char*>(malloc(size + 1));
98 if (ch == nullptr) {
99 std::cout << "malloc failed." << std::endl;
100 return 0;
101 }
102
103 (void)memset_s(ch, size + 1, 0x00, size + 1);
104 if (memcpy_s(ch, size + 1, data, size) != EOK) {
105 std::cout << "copy failed." << std::endl;
106 free(ch);
107 ch = nullptr;
108 return 0;
109 }
110
111 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
112 free(ch);
113 ch = nullptr;
114 return 0;
115 }
116
117