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 <cstddef>
18 #include <cstdint>
19 #include "basebundleinstallerremovemoduleanddatadir_fuzzer.h"
20 #include "base_bundle_installer.h"
21 #include "securec.h"
22
23 using namespace OHOS::AppExecFwk;
24 namespace OHOS {
25 constexpr size_t FOO_MAX_LEN = 1024;
26 constexpr size_t U32_AT_SIZE = 4;
27
DoSomethingInterestingWithMyAPI(const char * data,size_t size)28 bool DoSomethingInterestingWithMyAPI(const char *data, size_t size)
29 {
30 BaseBundleInstaller basebundleinstall;
31 InnerBundleInfo info;
32 std::string modulePackage;
33 int32_t userId = 0;
34 bool isKeepData = true;
35 auto ret1 = basebundleinstall.RemoveModuleAndDataDir(info, modulePackage, userId, isKeepData);
36 return true;
37 }
38 }
39
40 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)41 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
42 {
43 /* Run your code on data */
44 if (data == nullptr) {
45 return 0;
46 }
47
48 if (size < OHOS::U32_AT_SIZE) {
49 return 0;
50 }
51
52 /* Validate the length of size */
53 if (size > OHOS::FOO_MAX_LEN) {
54 return 0;
55 }
56
57 char *ch = static_cast<char *>(malloc(size + 1));
58 if (ch == nullptr) {
59 return 0;
60 }
61
62 (void)memset_s(ch, size + 1, 0x00, size + 1);
63 if (memcpy_s(ch, size, data, size) != EOK) {
64 free(ch);
65 ch = nullptr;
66 return 0;
67 }
68 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
69 free(ch);
70 ch = nullptr;
71 return 0;
72 }