1 /*
2 * Copyright (c) 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 "imsregcallback_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "addcoreservicetoken_fuzzer.h"
22 #include <fuzzer/FuzzedDataProvider.h>
23 #include "ims_reg_info_callback_stub.h"
24 #include "napi_ims_reg_info_callback.h"
25 #include "napi_ims_reg_info_callback_manager.h"
26 #include "napi_util.h"
27 #include "system_ability_definition.h"
28
29 using namespace OHOS::Telephony;
30 namespace OHOS {
31 constexpr int32_t BOOL_NUM = 2;
32 constexpr int32_t TECH_NUM = 4;
33 constexpr int32_t IMS_SERVICE_TYPE_NUM = 4;
34 constexpr int32_t MIN_SLOT_ID = -1;
35 constexpr int32_t MAX_SLOT_ID = 4;
36
GetRandomInt(int min,int max,const uint8_t * data,size_t size)37 int32_t GetRandomInt(int min, int max, const uint8_t *data, size_t size)
38 {
39 FuzzedDataProvider fdp(data, size);
40 return fdp.ConsumeIntegralInRange<int32_t>(min, max);
41 }
42
OnRemoteRequest(const uint8_t * data,size_t size)43 void OnRemoteRequest(const uint8_t *data, size_t size)
44 {
45 MessageParcel dataMessageParcel;
46 if (!dataMessageParcel.WriteInterfaceToken(ImsRegInfoCallbackStub::GetDescriptor())) {
47 return;
48 }
49 int32_t slotId = GetRandomInt(MIN_SLOT_ID, MAX_SLOT_ID, data, size);
50 int32_t reg = GetRandomInt(0, BOOL_NUM, data, size);
51 int32_t tech = GetRandomInt(0, TECH_NUM, data, size);
52 dataMessageParcel.WriteInt32(slotId);
53 dataMessageParcel.WriteInt32(reg);
54 dataMessageParcel.WriteInt32(tech);
55
56 uint32_t code = static_cast<uint32_t>(GetRandomInt(0, IMS_SERVICE_TYPE_NUM, data, size));
57 MessageParcel reply;
58 MessageOption option;
59 sptr<NapiImsRegInfoCallback> imsCallback = new NapiImsRegInfoCallback();
60 imsCallback->OnRemoteRequest(code, dataMessageParcel, reply, option);
61 }
62
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)63 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
64 {
65 if (data == nullptr || size == 0) {
66 return;
67 }
68
69 OnRemoteRequest(data, size);
70 }
71 } // namespace OHOS
72
73 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)74 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
75 {
76 OHOS::AddCoreServiceTokenFuzzer token;
77 return 0;
78 }
79
80 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)81 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
82 {
83 /* Run your code on data */
84 OHOS::DoSomethingInterestingWithMyAPI(data, size);
85 return 0;
86 }
87