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 "bundlemutiuserinstaller_fuzzer.h"
18
19 #include "bundle_multiuser_installer.h"
20 #include "securec.h"
21
22 using namespace OHOS::AppExecFwk;
23 namespace OHOS {
24 constexpr size_t U32_AT_SIZE = 4;
25 const int32_t USERID = 100;
26
DoSomethingInterestingWithMyAPI(const char * data,size_t size)27 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
28 {
29 std::shared_ptr<BundleMultiUserInstaller> installer = std::make_shared<BundleMultiUserInstaller>();
30 std::string bundleName(data, size);
31 installer->InstallExistedApp(bundleName, USERID);
32 installer->ProcessBundleInstall(bundleName, USERID);
33 installer->ResetInstallProperties();
34 InnerBundleInfo info;
35 int32_t uid = 1;
36 installer->CreateDataDir(info, USERID, uid);
37 installer->RemoveDataDir(bundleName, USERID);
38 installer->GetDataMgr();
39 return true;
40 }
41 } // namespace OHOS
42
43 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)44 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
45 {
46 /* Run your code on data */
47 if (data == nullptr) {
48 return 0;
49 }
50
51 if (size < OHOS::U32_AT_SIZE) {
52 return 0;
53 }
54
55 char* ch = static_cast<char*>(malloc(size + 1));
56 if (ch == nullptr) {
57 return 0;
58 }
59
60 (void)memset_s(ch, size + 1, 0x00, size + 1);
61 if (memcpy_s(ch, size, data, size) != EOK) {
62 free(ch);
63 ch = nullptr;
64 return 0;
65 }
66 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
67 free(ch);
68 ch = nullptr;
69 return 0;
70 }