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 "abilitymgrrest_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #define private public
22 #include "implicit_start_processor.h"
23 #include "system_dialog_scheduler.h"
24 #undef private
25 #include "inner_mission_info.h"
26 #include "parcel.h"
27 #include "securec.h"
28
29 using namespace OHOS::AAFwk;
30 using namespace OHOS::AppExecFwk;
31
32 namespace OHOS {
33 namespace {
34 constexpr int INPUT_ZERO = 0;
35 constexpr int INPUT_ONE = 1;
36 constexpr int INPUT_TWO = 2;
37 constexpr int INPUT_THREE = 3;
38 constexpr size_t U32_AT_SIZE = 4;
39 constexpr size_t OFFSET_ZERO = 24;
40 constexpr size_t OFFSET_ONE = 16;
41 constexpr size_t OFFSET_TWO = 8;
42 }
GetU32Data(const char * ptr)43 uint32_t GetU32Data(const char* ptr)
44 {
45 // convert fuzz input data to an integer
46 return (ptr[INPUT_ZERO] << OFFSET_ZERO) | (ptr[INPUT_ONE] << OFFSET_ONE) | (ptr[INPUT_TWO] << OFFSET_TWO) |
47 ptr[INPUT_THREE];
48 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)49 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
50 {
51 int pid = static_cast<int>(GetU32Data(data));
52 std::string bundleName(data, size);
53 Parcel wantParcel;
54 Want* want = nullptr;
55 if (wantParcel.WriteBuffer(data, size)) {
56 want = Want::Unmarshalling(wantParcel);
57 }
58 std::shared_ptr<SystemDialogScheduler> systemDialogScheduler = std::make_shared<SystemDialogScheduler>();
59 std::vector<DialogAppInfo> dialogAppInfos;
60 systemDialogScheduler->GetSelectorParams(dialogAppInfos);
61 InnerMissionInfo innerMissionInfo;
62 innerMissionInfo.ToJsonStr();
63 std::string jsonStr(data, size);
64 innerMissionInfo.FromJsonStr(jsonStr);
65 std::vector<std::string> info;
66 innerMissionInfo.Dump(info);
67 nlohmann::json value;
68 std::string node(data, size);
69 JsonType jsonType = JsonType::STRING;
70 return innerMissionInfo.CheckJsonNode(value, node, jsonType);
71 }
72 }
73
74 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)75 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
76 {
77 /* Run your code on data */
78 if (data == nullptr) {
79 std::cout << "invalid data" << std::endl;
80 return 0;
81 }
82
83 /* Validate the length of size */
84 if (size < OHOS::U32_AT_SIZE) {
85 return 0;
86 }
87
88 char* ch = static_cast<char*>(malloc(size + 1));
89 if (ch == nullptr) {
90 std::cout << "malloc failed." << std::endl;
91 return 0;
92 }
93
94 (void)memset_s(ch, size + 1, 0x00, size + 1);
95 if (memcpy_s(ch, size, data, size) != EOK) {
96 std::cout << "copy failed." << std::endl;
97 free(ch);
98 ch = nullptr;
99 return 0;
100 }
101
102 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
103 free(ch);
104 ch = nullptr;
105 return 0;
106 }
107
108