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
20 #include "app_service_fwk/app_service_fwk_installer.h"
21
22 #include "appservicefwkinstallerprocessinstall_fuzzer.h"
23 #include "securec.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 InstallParam installParam;
33 installParam.isPreInstallApp = true;
34 installParam.removable = false;
35 AppServiceFwkInstaller appServicefwk;
36 std::vector<std::string> hspPaths = { std::string(data, size) };
37 appServicefwk.ProcessInstall(hspPaths, installParam);
38 return true;
39 }
40 }
41
42 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)43 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
44 {
45 /* Run your code on data */
46 if (data == nullptr) {
47 return 0;
48 }
49
50 if (size < OHOS::U32_AT_SIZE) {
51 return 0;
52 }
53
54 /* Validate the length of size */
55 if (size > OHOS::FOO_MAX_LEN) {
56 return 0;
57 }
58
59 char* ch = static_cast<char*>(malloc(size + 1));
60 if (ch == nullptr) {
61 return 0;
62 }
63
64 (void)memset_s(ch, size + 1, 0x00, size + 1);
65 if (memcpy_s(ch, size, data, size) != EOK) {
66 free(ch);
67 ch = nullptr;
68 return 0;
69 }
70 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
71 free(ch);
72 ch = nullptr;
73 return 0;
74 }