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 FOO_MAX_LEN = 1024;
29 constexpr size_t U32_AT_SIZE = 4;
30 const std::string BUNDLE_TEMP_NAME = "temp_bundle_name";
31 const std::string BUNDLE_PATH = "test.hap";
32
DoSomethingInterestingWithMyAPI(const char * data,size_t size)33 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
34 {
35 std::shared_ptr<BundleMgrService> bundleMgrService_ = DelayedSingleton<BundleMgrService>::GetInstance();
36 bundleMgrService_->InitBmsParam();
37 bundleMgrService_->InitPreInstallExceptionMgr();
38
39 auto preInstallExceptionMgr = bundleMgrService_->GetPreInstallExceptionMgr();
40 bundleMgrService_->GetBmsParam();
41 std::set<std::string> oldExceptionPaths;
42 oldExceptionPaths.insert(std::string(data, size));
43 std::set<std::string> oldExceptionBundleNames;
44 oldExceptionBundleNames.insert(std::string(data, size));
45 preInstallExceptionMgr->GetAllPreInstallExceptionInfo(oldExceptionPaths, oldExceptionBundleNames);
46
47 preInstallExceptionMgr->ClearAll();
48 std::set<std::string> exceptionPaths;
49 exceptionPaths.insert(std::string(data, size));
50 std::set<std::string> exceptionBundleNames;
51 exceptionBundleNames.insert(std::string(data, size));
52 preInstallExceptionMgr->GetAllPreInstallExceptionInfo(exceptionPaths, exceptionBundleNames);
53
54 preInstallExceptionMgr->SavePreInstallExceptionBundleName(BUNDLE_TEMP_NAME);
55 preInstallExceptionMgr->SavePreInstallExceptionPath(BUNDLE_PATH);
56 preInstallExceptionMgr->GetAllPreInstallExceptionInfo(exceptionPaths, exceptionBundleNames);
57 preInstallExceptionMgr->DeletePreInstallExceptionBundleName(BUNDLE_TEMP_NAME);
58 preInstallExceptionMgr->DeletePreInstallExceptionPath(BUNDLE_PATH);
59 preInstallExceptionMgr->GetAllPreInstallExceptionInfo(exceptionPaths, exceptionBundleNames);
60
61 if (oldExceptionPaths.size() > 0) {
62 for (const auto& pathIter : oldExceptionPaths) {
63 preInstallExceptionMgr->SavePreInstallExceptionPath(pathIter);
64 }
65 }
66
67 if (oldExceptionBundleNames.size() > 0) {
68 for (const auto& bundleNameIter : oldExceptionBundleNames) {
69 preInstallExceptionMgr->SavePreInstallExceptionPath(bundleNameIter);
70 }
71 }
72 return true;
73 }
74 } // namespace OHOS
75
76 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)77 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
78 {
79 /* Run your code on data */
80 if (data == nullptr) {
81 return 0;
82 }
83
84 if (size < OHOS::U32_AT_SIZE) {
85 return 0;
86 }
87
88 /* Validate the length of size */
89 if (size > OHOS::FOO_MAX_LEN) {
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 }