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 "isemergencyphonenumber_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20 #define private public
21 #include "addcalltoken_fuzzer.h"
22 #include "call_manager_service.h"
23 #include "system_ability_definition.h"
24
25 using namespace OHOS::Telephony;
26 namespace OHOS {
27 static bool g_isInited = false;
28 constexpr int32_t SLOT_NUM = 2;
29
IsServiceInited()30 bool IsServiceInited()
31 {
32 if (!g_isInited) {
33 DelayedSingleton<CallManagerService>::GetInstance()->OnStart();
34 if (DelayedSingleton<CallManagerService>::GetInstance()->GetServiceRunningState() ==
35 static_cast<int32_t>(CallManagerService::ServiceRunningState::STATE_RUNNING)) {
36 g_isInited = true;
37 }
38 }
39 return g_isInited;
40 }
41
IsEmergencyPhoneNumber(const uint8_t * data,size_t size)42 bool IsEmergencyPhoneNumber(const uint8_t *data, size_t size)
43 {
44 if (!IsServiceInited()) {
45 return false;
46 }
47
48 std::string number(reinterpret_cast<char *>(const_cast<uint8_t *>(data)), size);
49 auto numberU16 = Str8ToStr16(number);
50 int32_t slotId = static_cast<uint32_t>(size % SLOT_NUM);
51 MessageParcel dataParcel;
52 dataParcel.WriteString16(numberU16);
53 dataParcel.WriteInt32(slotId);
54 dataParcel.RewindRead(0);
55 MessageParcel reply;
56 return DelayedSingleton<CallManagerService>::GetInstance()->OnIsEmergencyPhoneNumber(dataParcel, reply);
57 }
58
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)59 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
60 {
61 if (data == nullptr || size == 0) {
62 return;
63 }
64
65 IsEmergencyPhoneNumber(data, size);
66 }
67 } // namespace OHOS
68
69 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)70 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
71 {
72 OHOS::AddCallTokenFuzzer token;
73 /* Run your code on data */
74 OHOS::DoSomethingInterestingWithMyAPI(data, size);
75 return 0;
76 }
77