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 "usbmgrregbulkcallback_fuzzer.h"
17
18 #include "iremote_object.h"
19 #include "usb_srv_client.h"
20 #include "usb_errors.h"
21 #include "usb_common_fuzz.h"
22
23 namespace OHOS {
24 const uint32_t OFFSET = 4;
25 const uint32_t OFFSET_BYTE = 8;
26 constexpr size_t THRESHOLD = 10;
27 namespace USB {
UsbMgrRegBulkCallbackFuzzTest(const uint8_t * data,size_t size)28 bool UsbMgrRegBulkCallbackFuzzTest(const uint8_t* data, size_t size)
29 {
30 if (data == nullptr || size < sizeof(USBDevicePipe) || size < OFFSET + sizeof(USBEndpoint) ||
31 size < OFFSET_BYTE + sizeof(IRemoteObject)) {
32 USB_HILOGE(MODULE_USB_SERVICE, "data size is insufficient!");
33 return false;
34 }
35 auto[res, pipe, interface] = UsbMgrPrepareFuzzEnv();
36 (void)pipe;
37 (void)interface;
38 if (!res) {
39 USB_HILOGE(MODULE_USB_SERVICE, "prepare error");
40 return false;
41 }
42
43 int32_t ret = UsbSrvClient::GetInstance().RegBulkCallback(reinterpret_cast<USBDevicePipe &>(data),
44 reinterpret_cast<const USBEndpoint &>(std::move(data + OFFSET)),
45 reinterpret_cast<const sptr<IRemoteObject> &>(std::move(data + OFFSET_BYTE)));
46 if (ret == UEC_OK) {
47 return false;
48 }
49 return true;
50 }
51 } // USB
52 } // OHOS
53
54 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
56 {
57 if (size < OHOS::THRESHOLD) {
58 return 0;
59 }
60 /* Run your code on data */
61 OHOS::USB::UsbMgrRegBulkCallbackFuzzTest(data, size);
62 return 0;
63 }
64
65