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_short_message_callback_stub.h"
21 #include "send_short_message_callback_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<SendShortMessageCallbackStub> sendCallback = std::make_unique<SendShortMessageCallbackStub>();
60 std::unique_ptr<DeliveryShortMessageCallbackStub> deliveryCallback =
61 std::make_unique<DeliveryShortMessageCallbackStub>();
62
63 dataParcel.WriteInt32(slotId);
64 dataParcel.WriteString16(desAddrU16);
65 dataParcel.WriteString16(scAddrU16);
66 dataParcel.WriteInt16(port);
67 if (sendCallback != nullptr) {
68 dataParcel.WriteRemoteObject(sendCallback.release()->AsObject().GetRefPtr());
69 }
70 if (deliveryCallback != nullptr) {
71 dataParcel.WriteRemoteObject(deliveryCallback.release()->AsObject().GetRefPtr());
72 }
73 dataParcel.WriteInt16(size);
74 dataParcel.WriteRawData(data, size);
75 dataParcel.RewindRead(0);
76
77 DelayedSingleton<SmsService>::GetInstance()->OnSendSmsDataRequest(dataParcel, replyParcel, option);
78 }
79
GetAllSimMessages(const uint8_t * data,size_t size)80 void GetAllSimMessages(const uint8_t *data, size_t size)
81 {
82 if (!IsServiceInited()) {
83 return;
84 }
85
86 MessageParcel dataParcel;
87 MessageParcel replyParcel;
88 MessageOption option(MessageOption::TF_SYNC);
89
90 dataParcel.WriteBuffer(data, size);
91 dataParcel.RewindRead(0);
92 DelayedSingleton<SmsService>::GetInstance()->OnGetAllSimMessages(dataParcel, replyParcel, option);
93 return;
94 }
95
DoSomethingInterestingWithMyAPI(const uint8_t * data,size_t size)96 void DoSomethingInterestingWithMyAPI(const uint8_t *data, size_t size)
97 {
98 if (data == nullptr || size == 0) {
99 return;
100 }
101
102 SendSmsDataRequest(data, size);
103 GetAllSimMessages(data, size);
104 }
105 } // namespace OHOS
106
107 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)108 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
109 {
110 /* Run your code on data */
111 OHOS::AddSmsTokenFuzzer token;
112 OHOS::DoSomethingInterestingWithMyAPI(data, size);
113 return 0;
114 }
115