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 "sendmessagedata_fuzzer.h"
17
18 #define private public
19 #include "addsmstoken_fuzzer.h"
20 #include "delivery_send_call_back_stub.h"
21 #include "send_call_back_stub.h"
22 #include "sms_service.h"
23
24 using namespace OHOS::Telephony;
25 namespace OHOS {
26 static bool g_isInited = false;
27 constexpr int32_t SLOT_NUM = 2;
28 static int32_t MAX_PORT = 65535;
29
IsServiceInited()30 bool IsServiceInited()
31 {
32 if (!g_isInited) {
33 DelayedSingleton<SmsService>::GetInstance()->OnStart();
34 if (DelayedSingleton<SmsService>::GetInstance()->GetServiceRunningState() ==
35 static_cast<int32_t>(Telephony::ServiceRunningState::STATE_RUNNING)) {
36 g_isInited = true;
37 }
38 }
39 return g_isInited;
40 }
41
SendSmsDataRequest(const uint8_t * data,size_t size)42 void SendSmsDataRequest(const uint8_t *data, size_t size)
43 {
44 if (!IsServiceInited()) {
45 return;
46 }
47
48 MessageParcel dataParcel;
49 MessageParcel replyParcel;
50 MessageOption option(MessageOption::TF_SYNC);
51
52 int32_t slotId = static_cast<int32_t>(size % SLOT_NUM);
53 std::string desAddr(reinterpret_cast<const char *>(data), size);
54 std::string scAddr(reinterpret_cast<const char *>(data), size);
55 auto desAddrU16 = Str8ToStr16(desAddr);
56 auto scAddrU16 = Str8ToStr16(scAddr);
57 uint16_t port = static_cast<uint16_t>(size % MAX_PORT);
58
59 std::unique_ptr<SendCallbackStub> sendCallback = std::make_unique<SendCallbackStub>();
60 std::unique_ptr<DeliverySendCallbackStub> deliveryCallback = std::make_unique<DeliverySendCallbackStub>();
61
62 dataParcel.WriteInt32(slotId);
63 dataParcel.WriteString16(desAddrU16);
64 dataParcel.WriteString16(scAddrU16);
65 dataParcel.WriteInt16(port);
66 if (sendCallback != nullptr) {
67 dataParcel.WriteRemoteObject(sendCallback.release()->AsObject().GetRefPtr());
68 }
69 if (deliveryCallback != nullptr) {
70 dataParcel.WriteRemoteObject(deliveryCallback.release()->AsObject().GetRefPtr());
71 }
72 dataParcel.WriteInt16(size);
73 dataParcel.WriteRawData(data, size);
74 dataParcel.RewindRead(0);
75
76 DelayedSingleton<SmsService>::GetInstance()->OnSendSmsDataRequest(dataParcel, replyParcel, option);
77 }
78
GetAllSimMessages(const uint8_t * data,size_t size)79 void GetAllSimMessages(const uint8_t *data, size_t size)
80 {
81 if (!IsServiceInited()) {
82 return;
83 }
84
85 MessageParcel dataParcel;
86 MessageParcel replyParcel;
87 MessageOption option(MessageOption::TF_SYNC);
88
89 dataParcel.WriteBuffer(data, size);
90 dataParcel.RewindRead(0);
91 DelayedSingleton<SmsService>::GetInstance()->OnGetAllSimMessages(dataParcel, replyParcel, option);
92 return;
93 }
94
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)95 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
96 {
97 if (data == nullptr || size == 0) {
98 return;
99 }
100
101 SendSmsDataRequest(data, size);
102 GetAllSimMessages(data, size);
103 }
104 } // namespace OHOS
105
106 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)107 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
108 {
109 /* Run your code on data */
110 OHOS::AddSmsTokenFuzzer token;
111 OHOS::DoSomethingInterestingWithMyAPI(data, size);
112 return 0;
113 }
114