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 FOO_MAX_LEN = 1024;
35 constexpr size_t U32_AT_SIZE = 4;
36 constexpr uint8_t ENABLE = 2;
37 constexpr size_t OFFSET_ZERO = 24;
38 constexpr size_t OFFSET_ONE = 16;
39 constexpr size_t OFFSET_TWO = 8;
40 }
GetU32Data(const char * ptr)41 uint32_t GetU32Data(const char* ptr)
42 {
43 // convert fuzz input data to an integer
44 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[ENABLE] << OFFSET_TWO) |
45 ptr[INPUT_THREE];
46 }
47
DoSomethingInterestingWithMyAPI(const char * data,size_t size)48 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
49 {
50 AAFwk::UserStatus status = AAFwk::ASSERT_TERMINATE;
51 wptr<IRemoteObject> remote;
52 sptr<IRemoteObject> impl;
53 auto assertFaultProxy = std::make_shared<AbilityRuntime::AssertFaultProxy>(impl);
54 assertFaultProxy->NotifyDebugAssertResult(status);
55
56 AbilityRuntime::AssertFaultRemoteDeathRecipient::RemoteDiedHandler handler;
57 auto assertFaultRemoteDeathRecipient =
58 std::make_shared<AbilityRuntime::AssertFaultRemoteDeathRecipient>(handler);
59 assertFaultRemoteDeathRecipient->OnRemoteDied(remote);
60
61 auto modalSystemAssertUIExtension = std::make_shared<AbilityRuntime::ModalSystemAssertUIExtension>();
62 Want want;
63 modalSystemAssertUIExtension->CreateModalUIExtension(want);
64
65 auto assertDialogConnection =
66 std::make_shared<AbilityRuntime::ModalSystemAssertUIExtension::AssertDialogConnection>();
67 assertDialogConnection->SetReqeustAssertDialogWant(want);
68 AppExecFwk::ElementName element;
69 sptr<IRemoteObject> remoteObject;
70 int intParam = static_cast<int>(GetU32Data(data));
71 assertDialogConnection->OnAbilityConnectDone(element, remoteObject, intParam);
72 assertDialogConnection->OnAbilityDisconnectDone(element, intParam);
73 modalSystemAssertUIExtension->DisconnectSystemUI();
74 modalSystemAssertUIExtension->TryNotifyOneWaitingThread();
75 modalSystemAssertUIExtension->TryNotifyOneWaitingThreadInner();
76 modalSystemAssertUIExtension->GetConnection();
77 modalSystemAssertUIExtension->dialogConnectionCallback_ = nullptr;
78 modalSystemAssertUIExtension->GetConnection();
79
80 return true;
81 }
82 } // namespace OHOS
83
84 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)85 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
86 {
87 /* Run your code on data */
88 if (data == nullptr) {
89 std::cout << "invalid data" << std::endl;
90 return 0;
91 }
92
93 /* Validate the length of size */
94 if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
95 return 0;
96 }
97
98 char* ch = static_cast<char*>(malloc(size + 1));
99 if (ch == nullptr) {
100 std::cout << "malloc failed." << std::endl;
101 return 0;
102 }
103
104 (void)memset_s(ch, size + 1, 0x00, size + 1);
105 if (memcpy_s(ch, size + 1, data, size) != EOK) {
106 std::cout << "copy failed." << std::endl;
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