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 "dopartitions_fuzzer.h"
17
18 #include <array>
19 #include <cstddef>
20 #include <cstdint>
21 #include <iostream>
22 #include <string>
23 #include <vector>
24 #include "log/log.h"
25 #include "partitions.h"
26 #include "securec.h"
27
28 using namespace Updater;
InitEmmcPartition(struct Partition & part,const std::string & partName,size_t start,size_t length)29 static void InitEmmcPartition(struct Partition &part, const std::string &partName, size_t start, size_t length)
30 {
31 part.partName = partName;
32 part.start = start;
33 part.length = length;
34 /* Paramters below just give a random values, DoPartition will ignore the values. */
35 part.devName = "mmcblk0px";
36 part.fsType = "emmc";
37 }
38
39 namespace OHOS {
FuzzDoPartitions(const uint8_t * data,size_t size)40 void FuzzDoPartitions(const uint8_t* data, size_t size)
41 {
42 PartitonList nList;
43 struct Partition myPaty;
44 (void)memset_s(&myPaty, sizeof(struct Partition), 0, sizeof(struct Partition));
45
46 InitEmmcPartition(myPaty, std::string(reinterpret_cast<const char*>(data), size), 0, size);
47 nList.push_back(&myPaty);
48 DoPartitions(nList);
49 }
50 }
51
52 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)53 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
54 {
55 /* Run your code on data */
56 OHOS::FuzzDoPartitions(data, size);
57 return 0;
58 }
59
60