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 "usbmgrremoveright_fuzzer.h"
17
18 #include "usb_errors.h"
19 #include "usb_srv_client.h"
20
21 namespace OHOS {
22 namespace USB {
UsbMgrRemoveRightFuzzTest(const uint8_t * data,size_t size)23 bool UsbMgrRemoveRightFuzzTest(const uint8_t* data, size_t size)
24 {
25 if (data == nullptr || size == 0 || data[size-1] != 0) {
26 return false;
27 }
28 auto &usbSrvClient = UsbSrvClient::GetInstance();
29 std::vector<UsbDevice> devList;
30 auto ret = usbSrvClient.GetDevices(devList);
31 if (ret != UEC_OK || devList.empty()) {
32 USB_HILOGE(MODULE_USB_SERVICE, "get devices failed");
33 return false;
34 }
35
36 ret = usbSrvClient.RequestRight(devList[0].GetName());
37 if (ret != UEC_OK) {
38 USB_HILOGE(MODULE_USB_SERVICE, "request right failed");
39 return false;
40 }
41
42 if (!usbSrvClient.HasRight(devList[0].GetName())) {
43 USB_HILOGE(MODULE_USB_SERVICE, "device right error");
44 return false;
45 }
46
47 if (usbSrvClient.RemoveRight(std::string(reinterpret_cast<const char*>(data))) == UEC_OK) {
48 return false;
49 }
50 return true;
51 }
52 }
53 }
54
55 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)56 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
57 {
58 /* Run your code on data */
59 OHOS::USB::UsbMgrRemoveRightFuzzTest(data, size);
60 return 0;
61 }
62
63