1 /*
2 * Copyright (c) 2024 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 "evaluateqos_fuzzer.h"
17 #include <memory>
18 #include <string>
19 #include <securec.h>
20 #include "socket.h"
21
22 namespace OHOS {
23 static std::string DEFAULT_SOCKET_PEER_NETWORKID =
24 "a8ynvpdaihw1f6nknjd2hkfhxljxypkr6kvjsbhnhpp16974uo4fvsrpfa6t50fm";
EvaluateQosTestWithNetworkId(const uint8_t *data, size_t size)25 void EvaluateQosTestWithNetworkId(const uint8_t *data, size_t size)
26 {
27 if ((data == nullptr) || (size == 0)) {
28 return;
29 }
30
31 const size_t bufSize = size + 1;
32 std::unique_ptr<char[]> peerNetworkId = std::make_unique<char[]>(bufSize);
33 if (memset_s(peerNetworkId.get(), bufSize, 0, bufSize) != EOK) {
34 return;
35 }
36
37 if (memcpy_s(peerNetworkId.get(), bufSize, data, size) != EOK) {
38 return;
39 }
40
41 QosTV qosInfo[] = {
42 {.qos = QOS_TYPE_MIN_BW, .value = 160 * 1024 * 1024},
43 {.qos = QOS_TYPE_MAX_WAIT_TIMEOUT, .value = 10},
44 {.qos = QOS_TYPE_MIN_LATENCY, .value = 5},
45 };
46
47 (void)EvaluateQos(peerNetworkId.get(), DATA_TYPE_MESSAGE, qosInfo, sizeof(qosInfo) / sizeof(qosInfo[0]));
48 }
49
EvaluateQosTestWithDataType(const uint8_t *data, size_t size)50 void EvaluateQosTestWithDataType(const uint8_t *data, size_t size)
51 {
52 if ((data == nullptr) || (size < sizeof(TransDataType))) {
53 return;
54 }
55
56 TransDataType socketDataType = DATA_TYPE_BUTT;
57 if (memcpy_s(&socketDataType, sizeof(TransDataType), data, sizeof(TransDataType)) != EOK) {
58 return;
59 }
60
61 QosTV qosInfo[] = {
62 {.qos = QOS_TYPE_MIN_BW, .value = 160 * 1024 * 1024},
63 {.qos = QOS_TYPE_MAX_WAIT_TIMEOUT, .value = 10},
64 {.qos = QOS_TYPE_MIN_LATENCY, .value = 5},
65 };
66
67 (void)EvaluateQos(DEFAULT_SOCKET_PEER_NETWORKID.c_str(), socketDataType, qosInfo,
68 sizeof(qosInfo) / sizeof(qosInfo[0]));
69 }
70
EvaluateQosTestWithQosInfo(const uint8_t *data, size_t size)71 void EvaluateQosTestWithQosInfo(const uint8_t *data, size_t size)
72 {
73 if ((data == nullptr) || (size < sizeof(QosTV))) {
74 return;
75 }
76
77 size_t count = size / sizeof(QosTV);
78 if (count == 0) {
79 return;
80 }
81
82 std::unique_ptr<QosTV[]> qosInfo = std::make_unique<QosTV[]>(count);
83 if (memcpy_s(qosInfo.get(), sizeof(QosTV) * count, data, sizeof(QosTV) * count) != EOK) {
84 return;
85 }
86 (void)EvaluateQos(DEFAULT_SOCKET_PEER_NETWORKID.c_str(), DATA_TYPE_MESSAGE, qosInfo.get(), count);
87 }
88 } // namespace OHOS
89
90 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)91 extern "C" int32_t LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
92 {
93 OHOS::EvaluateQosTestWithNetworkId(data, size);
94 return 0;
95 }
96