1 /*
2 * Copyright (c) 2021 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 "IPCOffline_fuzzer.h"
17 #include "fuzz_base.h"
18
19 #include <cstddef>
20 #include <cstdint>
21
22 class IPCOfflineFuzzer : public OfflineStreamOperatorStub {
23 public:
CancelCapture(int captureId)24 virtual CamRetCode CancelCapture(int captureId)
25 {
26 return OHOS::Camera::NO_ERROR;
27 }
ReleaseStreams(const std::vector<int> & streamIds)28 virtual CamRetCode ReleaseStreams(const std::vector<int>& streamIds)
29 {
30 return OHOS::Camera::NO_ERROR;
31 }
Release()32 virtual CamRetCode Release()
33 {
34 return OHOS::Camera::NO_ERROR;
35 }
36 };
37
U32_AT(const uint8_t * ptr)38 static uint32_t U32_AT(const uint8_t *ptr)
39 {
40 return (ptr[0] << 24) | (ptr[1] << 16) | (ptr[2] << 8) | ptr[3];
41 }
42
onRemoteRequest(uint32_t code,MessageParcel & data)43 static int32_t onRemoteRequest(uint32_t code, MessageParcel &data)
44 {
45 MessageParcel reply;
46 MessageOption option;
47 IPCOfflineFuzzer IPCOfflineSer;
48 auto ret = IPCOfflineSer.OnRemoteRequest(code, data, reply, option);
49 return ret;
50 }
51
fuzzAccountService(const uint8_t * data,size_t size)52 static void fuzzAccountService(const uint8_t *data, size_t size)
53 {
54 MessageParcel reply;
55 MessageOption option;
56 MessageParcel dataMessageParcel;
57 uint32_t code = U32_AT(data);
58
59 data = data + sizeof(uint32_t);
60 if (size > sizeof(uint32_t)) {
61 size = size - sizeof(uint32_t);
62 dataMessageParcel.WriteInterfaceToken(OfflineStreamOperatorStub::GetDescriptor());
63 dataMessageParcel.WriteBuffer(data, size);
64 dataMessageParcel.RewindRead(0);
65 onRemoteRequest(code, dataMessageParcel);
66 }
67 }
68
OnRemoteRequestFunc(const uint8_t * data,size_t size)69 static void OnRemoteRequestFunc(const uint8_t *data, size_t size)
70 {
71 fuzzAccountService(data, size);
72 }
73
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)74 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
75 {
76 OnRemoteRequestFunc(data, size);
77 return 0;
78 }