1/*
2 * Copyright (c) 2024 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 "distributedwantparams_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20#include <iostream>
21
22#include "array_wrapper.h"
23#include "bool_wrapper.h"
24#include "byte_wrapper.h"
25#include "distributed_want_params.h"
26#include "distributed_want_params_wrapper.h"
27#include "double_wrapper.h"
28#include "float_wrapper.h"
29#include "int_wrapper.h"
30#include "long_wrapper.h"
31#include "securec.h"
32#include "short_wrapper.h"
33#include "string_wrapper.h"
34#include "zchar_wrapper.h"
35
36using namespace OHOS::AAFwk;
37using namespace OHOS::DistributedSchedule;
38
39namespace OHOS {
40namespace {
41constexpr size_t FOO_MAX_LEN = 1024;
42constexpr size_t U32_AT_SIZE = 4;
43constexpr int32_t POS_0 = 0;
44constexpr int32_t POS_1 = 1;
45constexpr int32_t POS_2 = 2;
46constexpr int32_t POS_3 = 3;
47constexpr int32_t OFFSET_24 = 24;
48constexpr int32_t OFFSET_16 = 16;
49constexpr int32_t OFFSET_8 = 8;
50}
51uint32_t GetU32Data(const char* ptr)
52{
53    // convert fuzz input data to an integer
54    return (ptr[POS_0] << OFFSET_24) | (ptr[POS_1] << OFFSET_16) | (ptr[POS_2] << OFFSET_8) | ptr[POS_3];
55}
56
57bool DoSomethingInterestingWithMyAPI_DistributedWantParams_001(const char* data, size_t size)
58{
59    DistributedWantParams wantOther;
60    std::string key(data, size);
61    std::shared_ptr<DistributedWantParams> wantParams = std::make_shared<DistributedWantParams>(wantOther);
62    sptr<AAFwk::IArray> array = new (std::nothrow) AAFwk::Array(0, DistributedSchedule::g_IID_IDistributedWantParams);
63    wantParams->SetParam(key, array);
64    IArray *iarray = IArray::Query(array);
65    sptr<IArray> destAO = nullptr;
66    wantParams->NewArrayData(iarray, destAO);
67    sptr<IInterface> stringIt = String::Box(key);
68    wantParams->Remove(key);
69    wantParams->SetParam(key, stringIt);
70    wantParams->KeySet();
71    wantParams->HasParam(key);
72    wantParams->IsEmpty();
73    wantParams->GetParams();
74
75    Parcel parcel;
76
77    return true;
78}
79
80bool DoSomethingInterestingWithMyAPI_DistributedWantParams_002(const char* data, size_t size)
81{
82    DistributedWantParams wantOther;
83    std::shared_ptr<DistributedWantParams> wantParams = std::make_shared<DistributedWantParams>(wantOther);
84    Parcel parcel;
85    IArray* ao = nullptr;
86    wantParams->WriteArrayToParcelChar(parcel, ao);
87    wantParams->WriteArrayToParcelShort(parcel, ao);
88    wantParams->WriteArrayToParcelString(parcel, ao);
89    wantParams->WriteArrayToParcelBool(parcel, ao);
90    wantParams->WriteArrayToParcelByte(parcel, ao);
91    wantParams->WriteArrayToParcelInt(parcel, ao);
92    wantParams->WriteArrayToParcelLong(parcel, ao);
93    wantParams->WriteArrayToParcelFloat(parcel, ao);
94    wantParams->WriteArrayToParcelDouble(parcel, ao);
95    long longValue = static_cast<long>(GetU32Data(data));
96    sptr<IInterface> longIt = Long::Box(longValue);
97    wantParams->WriteToParcelLong(parcel, longIt);
98    float floatValue = static_cast<float>(GetU32Data(data));
99    sptr<IInterface> floatIt = Float::Box(floatValue);
100    wantParams->WriteToParcelFloat(parcel, floatIt);
101
102    sptr<IArray> array;
103    wantParams->ReadFromParcelArrayChar(parcel, array);
104    wantParams->ReadFromParcelArrayShort(parcel, array);
105    wantParams->ReadFromParcelArrayString(parcel, array);
106    wantParams->ReadFromParcelArrayBool(parcel, array);
107    wantParams->ReadFromParcelArrayByte(parcel, array);
108    wantParams->ReadFromParcelArrayInt(parcel, array);
109    wantParams->ReadFromParcelArrayLong(parcel, array);
110    wantParams->ReadFromParcelArrayFloat(parcel, array);
111    wantParams->ReadFromParcelArrayDouble(parcel, array);
112    std::string key(data, size);
113    wantParams->ReadFromParcelLong(parcel, key);
114    wantParams->ReadFromParcelFloat(parcel, key);
115
116    wantParams->ReadArrayToParcel(parcel, GetU32Data(data) % OFFSET_16, array);
117    return true;
118}
119
120bool DoSomethingInterestingWithMyAPI_DistributedWantParams_003(const char* data, size_t size)
121{
122    DistributedWantParams wantOther;
123    std::shared_ptr<DistributedWantParams> wantParams = std::make_shared<DistributedWantParams>(wantOther);
124    Parcel parcel;
125    std::string key(data, size);
126    int8_t byteValue = static_cast<int8_t>(GetU32Data(data));
127    sptr<IInterface> byteIt = Byte::Box(byteValue);
128    wantParams->WriteToParcelByte(parcel, byteIt);
129    sptr<IInterface> stringIt = String::Box(key);
130    wantParams->WriteToParcelString(parcel, stringIt);
131    bool boolValue = static_cast<bool>(GetU32Data(data) > FOO_MAX_LEN);
132    sptr<IInterface> boolIt = Boolean::Box(boolValue);
133    wantParams->WriteToParcelBool(parcel, boolIt);
134    char charValue = *data;
135    sptr<IInterface> charIt = Char::Box(charValue);
136    wantParams->WriteToParcelChar(parcel, charIt);
137    short shortValue = static_cast<short>(GetU32Data(data));
138    sptr<IInterface> shortIt = Short::Box(shortValue);
139    wantParams->WriteToParcelShort(parcel, shortIt);
140    double doubleValue = static_cast<double>(GetU32Data(data));
141    sptr<IInterface> doubleIt = Double::Box(doubleValue);
142    wantParams->WriteToParcelDouble(parcel, doubleIt);
143    int32_t intValue = static_cast<int32_t>(GetU32Data(data));
144    sptr<IInterface> intIt = Integer::Box(intValue);
145    wantParams->WriteToParcelInt(parcel, intIt);
146    wantParams->WriteToParcelFD(parcel, wantOther);
147    wantParams->WriteToParcelRemoteObject(parcel, wantOther);
148
149    int type = static_cast<int>(GetU32Data(data));
150    wantParams->ReadFromParcelInt8(parcel, key);
151    wantParams->ReadFromParcelString(parcel, key);
152    wantParams->ReadFromParcelBool(parcel, key);
153    wantParams->ReadFromParcelChar(parcel, key);
154    wantParams->ReadFromParcelShort(parcel, key);
155    wantParams->ReadFromParcelDouble(parcel, key);
156    wantParams->ReadFromParcelInt(parcel, key);
157    wantParams->ReadFromParcelFD(parcel, key);
158    wantParams->ReadFromParcelRemoteObject(parcel, key);
159    wantParams->ReadFromParcelWantParamWrapper(parcel, key, type);
160
161    wantParams->WriteToParcelByte(parcel, byteIt);
162    wantParams->ReadFromParcel(parcel);
163
164    DistributedUnsupportedData uData;
165    std::shared_ptr<DistributedUnsupportedData> unsupportedData = std::make_shared<DistributedUnsupportedData>(uData);
166    wantParams->cachedUnsupportedData_.emplace_back(std::move(uData));
167    wantParams->DoMarshalling(parcel);
168    wantParams->cachedUnsupportedData_.clear();
169    return true;
170}
171
172bool DoSomethingInterestingWithMyAPI_DistributedWantParams_004(const char* data, size_t size)
173{
174    DistributedWantParams wantOther;
175    std::shared_ptr<DistributedWantParams> wantParams = std::make_shared<DistributedWantParams>(wantOther);
176
177    std::string value(data, size);
178    sptr<IInterface> stringObj =
179        DistributedWantParams::GetInterfaceByType(DistributedWantParams::VALUE_TYPE_STRING, value);
180    wantParams->CompareInterface(stringObj, stringObj, DistributedWantParams::VALUE_TYPE_STRING);
181
182    std::string keyStr = "12345667";
183    wantParams->SetParam(keyStr, String::Box(value));
184    Parcel in;
185    wantParams->Marshalling(in);
186    std::shared_ptr<DistributedWantParams> wantParamsNew(DistributedWantParams::Unmarshalling(in));
187
188    wantParams->ToWantParams();
189    return true;
190}
191}
192
193/* Fuzzer entry point */
194extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
195{
196    /* Run your code on data */
197    if (data == nullptr) {
198        std::cout << "invalid data" << std::endl;
199        return 0;
200    }
201
202    /* Validate the length of size */
203    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
204        return 0;
205    }
206
207    char* ch = (char *)malloc(size + 1);
208    if (ch == nullptr) {
209        std::cout << "malloc failed." << std::endl;
210        return 0;
211    }
212
213    (void)memset_s(ch, size + 1, 0x00, size + 1);
214    if (memcpy_s(ch, size + 1, data, size) != EOK) {
215        std::cout << "copy failed." << std::endl;
216        free(ch);
217        ch = nullptr;
218        return 0;
219    }
220
221    OHOS::DoSomethingInterestingWithMyAPI_DistributedWantParams_001(ch, size);
222    OHOS::DoSomethingInterestingWithMyAPI_DistributedWantParams_002(ch, size);
223    OHOS::DoSomethingInterestingWithMyAPI_DistributedWantParams_003(ch, size);
224    OHOS::DoSomethingInterestingWithMyAPI_DistributedWantParams_004(ch, size);
225    free(ch);
226    ch = nullptr;
227    return 0;
228}
229