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
16 #define private public
17 #include "verifymanagerhostimplgetrealpath_fuzzer.h"
18
19 #include <cstddef>
20 #include <cstdint>
21
22 #include "securec.h"
23 #include "verify_manager_host_impl.h"
24
25 using namespace OHOS::AppExecFwk;
26 namespace OHOS {
27 constexpr size_t FOO_MAX_LEN = 1024;
28 constexpr size_t U32_AT_SIZE = 4;
29
DoSomethingInterestingWithMyAPI(const char * data,size_t size)30 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
31 {
32 VerifyManagerHostImpl impl;
33 std::string bundleName;
34 int32_t userId = 100;
35 std::string relativePath;
36 std::vector<std::string> abcPaths;
37 impl.GetRealPath(bundleName, userId, relativePath);
38 impl.CopyFilesToTempDir(bundleName, userId, abcPaths);
39 impl.GetBundleMutex(bundleName);
40
41 return true;
42 }
43 } // namespace OHOS
44
45 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)46 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
47 {
48 /* Run your code on data */
49 if (data == nullptr) {
50 return 0;
51 }
52
53 if (size < OHOS::U32_AT_SIZE) {
54 return 0;
55 }
56
57 /* Validate the length of size */
58 if (size > OHOS::FOO_MAX_LEN) {
59 return 0;
60 }
61
62 char* ch = static_cast<char*>(malloc(size + 1));
63 if (ch == nullptr) {
64 return 0;
65 }
66
67 (void)memset_s(ch, size + 1, 0x00, size + 1);
68 if (memcpy_s(ch, size, data, size) != EOK) {
69 free(ch);
70 ch = nullptr;
71 return 0;
72 }
73 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
74 free(ch);
75 ch = nullptr;
76 return 0;
77 }