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 "preinstallexceptionmgr_fuzzer.h"
18
19 #include <cstddef>
20 #include <cstdint>
21
22 #include "bundle_mgr_service.h"
23 #include "pre_install_exception_mgr.h"
24 #include "securec.h"
25
26 using namespace OHOS::AppExecFwk;
27 namespace OHOS {
28 constexpr size_t U32_AT_SIZE = 4;
29 const std::string BUNDLE_TEMP_NAME = "temp_bundle_name";
30 const std::string BUNDLE_PATH = "test.hap";
31
DoSomethingInterestingWithMyAPI(const char * data,size_t size)32 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
33 {
34 std::shared_ptr<BundleMgrService> bundleMgrService_ = DelayedSingleton<BundleMgrService>::GetInstance();
35 bundleMgrService_->InitBmsParam();
36 bundleMgrService_->InitPreInstallExceptionMgr();
37
38 auto preInstallExceptionMgr = bundleMgrService_->GetPreInstallExceptionMgr();
39 bundleMgrService_->GetBmsParam();
40 std::set<std::string> oldExceptionPaths;
41 oldExceptionPaths.insert(std::string(data, size));
42 std::set<std::string> oldExceptionBundleNames;
43 oldExceptionBundleNames.insert(std::string(data, size));
44 std::set<std::string> exceptionAppServicePaths;
45 std::set<std::string> exceptionAppServiceBundleNames;
46 preInstallExceptionMgr->GetAllPreInstallExceptionInfo(oldExceptionPaths, oldExceptionBundleNames,
47 exceptionAppServicePaths, exceptionAppServiceBundleNames);
48
49 preInstallExceptionMgr->ClearAll();
50 std::set<std::string> exceptionPaths;
51 exceptionPaths.insert(std::string(data, size));
52 std::set<std::string> exceptionBundleNames;
53 exceptionBundleNames.insert(std::string(data, size));
54 preInstallExceptionMgr->GetAllPreInstallExceptionInfo(exceptionPaths, exceptionBundleNames,
55 exceptionAppServicePaths, exceptionAppServiceBundleNames);
56
57 preInstallExceptionMgr->SavePreInstallExceptionBundleName(BUNDLE_TEMP_NAME);
58 preInstallExceptionMgr->SavePreInstallExceptionPath(BUNDLE_PATH);
59 preInstallExceptionMgr->GetAllPreInstallExceptionInfo(exceptionPaths, exceptionBundleNames,
60 exceptionAppServicePaths, exceptionAppServiceBundleNames);
61 preInstallExceptionMgr->DeletePreInstallExceptionBundleName(BUNDLE_TEMP_NAME);
62 preInstallExceptionMgr->DeletePreInstallExceptionPath(BUNDLE_PATH);
63 preInstallExceptionMgr->GetAllPreInstallExceptionInfo(exceptionPaths, exceptionBundleNames,
64 exceptionAppServicePaths, exceptionAppServiceBundleNames);
65
66 if (oldExceptionPaths.size() > 0) {
67 for (const auto& pathIter : oldExceptionPaths) {
68 preInstallExceptionMgr->SavePreInstallExceptionPath(pathIter);
69 }
70 }
71
72 if (oldExceptionBundleNames.size() > 0) {
73 for (const auto& bundleNameIter : oldExceptionBundleNames) {
74 preInstallExceptionMgr->SavePreInstallExceptionPath(bundleNameIter);
75 }
76 }
77 return true;
78 }
79 } // namespace OHOS
80
81 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)82 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
83 {
84 /* Run your code on data */
85 if (data == nullptr) {
86 return 0;
87 }
88
89 if (size < OHOS::U32_AT_SIZE) {
90 return 0;
91 }
92
93 char* ch = static_cast<char*>(malloc(size + 1));
94 if (ch == nullptr) {
95 return 0;
96 }
97
98 (void)memset_s(ch, size + 1, 0x00, size + 1);
99 if (memcpy_s(ch, size, data, size) != EOK) {
100 free(ch);
101 ch = nullptr;
102 return 0;
103 }
104 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
105 free(ch);
106 ch = nullptr;
107 return 0;
108 }