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 "createcdmasms_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #include <fuzzer/FuzzedDataProvider.h>
21
22 #include "hril_manager.h"
23 #include "hril_sms.h"
24 #include "system_ability_definition.h"
25
26 using namespace OHOS::Telephony;
27 namespace OHOS {
28
GetRandomInt(int min,int max,const uint8_t * data,size_t size)29 int32_t GetRandomInt(int min, int max, const uint8_t *data, size_t size)
30 {
31 FuzzedDataProvider fdp(data, size);
32 return fdp.ConsumeIntegralInRange<int32_t>(min, max);
33 }
34
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)35 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
36 {
37 if (data == nullptr || size == 0) {
38 return;
39 }
40 int32_t maxCnt = HRilManager::GetInstance().GetMaxSimSlotCount();
41 int32_t slotId = GetRandomInt(0, maxCnt, data, size);
42 OHOS::HDI::Ril::V1_1::SmsMessageIOInfo message;
43 std::string pdu(reinterpret_cast<const char *>(data), size);
44 message.pdu = pdu;
45 HRilManager::GetInstance().AddCdmaSimMessage(slotId, size, message);
46 return;
47 }
48 } // namespace OHOS
49
50 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)51 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
52 {
53 /* Run your code on data */
54 OHOS::DoSomethingInterestingWithMyAPI(data, size);
55 return 0;
56 }
57