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 "pdpcontextlistupdated_fuzzer.h"
17
18 #include <cstddef>
19 #include <cstdint>
20
21 #include "hril_data.h"
22 #include "hril_manager.h"
23 #include "hril_notification.h"
24 #include "system_ability_definition.h"
25
26 using namespace OHOS::Telephony;
27 namespace OHOS {
28 constexpr int32_t SLOT_NUM = 2;
29 constexpr int32_t REASON_TYPE = 2;
30 constexpr int32_t RETRY_TIME = 2;
31 constexpr int32_t ACTIVE_NUM = 2;
32 constexpr int32_t KILO_BIT = 1000;
33 constexpr const char *NUMBER = "123";
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
41 int32_t slotId = static_cast<int32_t>(*data % SLOT_NUM);
42
43 HRilDataCallResponse response;
44 int32_t offset = 0;
45 response.reason = static_cast<int32_t>(*data + offset) % REASON_TYPE;
46 offset += sizeof(int32_t);
47 response.retryTime = static_cast<int32_t>(*data + offset) % RETRY_TIME;
48 offset += sizeof(int32_t);
49 response.cid = static_cast<int32_t>(*data + offset);
50 offset += sizeof(int32_t);
51 response.active = static_cast<int32_t>(*data + offset) % ACTIVE_NUM;
52 offset += sizeof(int32_t);
53 response.type = const_cast<char *>(NUMBER);
54 response.netPortName = const_cast<char *>(NUMBER);
55 response.address = const_cast<char *>(NUMBER);
56 response.dns = const_cast<char *>(NUMBER);
57 response.dnsSec = const_cast<char *>(NUMBER);
58 response.gateway = const_cast<char *>(NUMBER);
59 response.maxTransferUnit = static_cast<int32_t>(*data + offset);
60 offset += sizeof(int32_t);
61 response.pCscfPrimAddr = const_cast<char *>(NUMBER);
62 response.pCscfSecAddr = const_cast<char *>(NUMBER);
63 response.pduSessionId = static_cast<int32_t>(*data + offset);
64 offset += sizeof(int32_t);
65
66 struct ReportInfo report;
67 report.error = static_cast<HRilErrNumber>(size);
68 report.notifyId = HNOTI_DATA_PDP_CONTEXT_LIST_UPDATED;
69 report.type = HRIL_NOTIFICATION;
70 HRilManager::GetInstance().OnDataReport(slotId, &report, (const uint8_t *)&response, sizeof(HRilDataCallResponse));
71
72 HRilDataLinkCapability linkCapability;
73 linkCapability.primaryDownlinkKbps = static_cast<int32_t>(*data + offset) * KILO_BIT;
74 offset += sizeof(int32_t);
75 linkCapability.primaryUplinkKbps = static_cast<int32_t>(*data + offset) * KILO_BIT;
76 offset += sizeof(int32_t);
77 linkCapability.secondaryDownlinkKbps = static_cast<int32_t>(*data + offset) * KILO_BIT;
78 offset += sizeof(int32_t);
79 linkCapability.secondaryUplinkKbps = static_cast<int32_t>(*data + offset) * KILO_BIT;
80 report.notifyId = HNOTI_DATA_LINK_CAPABILITY_UPDATED;
81 HRilManager::GetInstance().OnDataReport(
82 slotId, &report, (const uint8_t *)&linkCapability, sizeof(HRilDataLinkCapability));
83 return;
84 }
85 } // namespace OHOS
86
87 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)88 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
89 {
90 /* Run your code on data */
91 OHOS::DoSomethingInterestingWithMyAPI(data, size);
92 return 0;
93 }
94