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 #define private public
16 #include "extend_resource_manager_host_impl.h"
17 #include "checkfileparam_fuzzer.h"
18
19 using namespace OHOS::AppExecFwk;
20
21 namespace OHOS {
22 namespace {
23 const std::string INVALID_SUFFIX = "/data/service/el1/public/bms/bundle_manager_service/a.hap";
24 const std::string INVALID_PREFIX = "/data/app/el1/bundle/public/a.hsp";
25 const std::string INVALID_PATH = "/data/service/el1/public/bms/bundle_manager_service/../../a.hsp";
26 }
fuzzelCheckFileParamCaseOne(const uint8_t * data,size_t size)27 bool fuzzelCheckFileParamCaseOne(const uint8_t* data, size_t size)
28 {
29 ExtendResourceManagerHostImpl impl;
30 impl.MkdirIfNotExist(std::string(reinterpret_cast<const char*>(data), size));
31 auto ret = impl.CheckFileParam(INVALID_PATH);
32 if (ret == ERR_OK) {
33 return true;
34 }
35 return false;
36 }
37
fuzzelCheckFileParamCaseTwo(const uint8_t * data,size_t size)38 bool fuzzelCheckFileParamCaseTwo(const uint8_t* data, size_t size)
39 {
40 ExtendResourceManagerHostImpl impl;
41 impl.MkdirIfNotExist(std::string(reinterpret_cast<const char*>(data), size));
42 auto ret = impl.CheckFileParam(INVALID_SUFFIX);
43 if (ret == ERR_OK) {
44 return true;
45 }
46 return false;
47 }
48
fuzzelCheckFileParamCaseThree(const uint8_t * data,size_t size)49 bool fuzzelCheckFileParamCaseThree(const uint8_t* data, size_t size)
50 {
51 ExtendResourceManagerHostImpl impl;
52 impl.MkdirIfNotExist(std::string(reinterpret_cast<const char*>(data), size));
53 auto ret = impl.CheckFileParam(INVALID_PREFIX);
54 if (ret == ERR_OK) {
55 return true;
56 }
57 return false;
58 }
59 }
60
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)61 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
62 {
63 OHOS::fuzzelCheckFileParamCaseOne(data, size);
64 OHOS::fuzzelCheckFileParamCaseTwo(data, size);
65 OHOS::fuzzelCheckFileParamCaseThree(data, size);
66 return 0;
67 }