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 <iostream>
20 #include "bundle_manager_callback.h"
21 #include "bundlemanagercallback_fuzzer.h"
22 #include "securec.h"
23
24 using namespace OHOS::AppExecFwk;
25
26 namespace OHOS {
27
28 constexpr size_t FOO_MAX_LEN = 1024;
29 constexpr size_t U32_AT_SIZE = 4;
30 constexpr size_t MESSAGE_SIZE = 21;
31 constexpr size_t DCAMERA_SHIFT_24 = 24;
32 constexpr size_t DCAMERA_SHIFT_16 = 16;
33 constexpr size_t DCAMERA_SHIFT_8 = 8;
34 std::string INSTALL_RESULT = "installResult";
GetU32Data(const char * ptr)35 uint32_t GetU32Data(const char* ptr)
36 {
37 return (ptr[0] << DCAMERA_SHIFT_24) | (ptr[1] << DCAMERA_SHIFT_16) | (ptr[2] << DCAMERA_SHIFT_8) | (ptr[3]);
38 }
DoSomethingInterestingWithMyAPI(const char * data,size_t size)39 bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
40 {
41 auto server = std::make_shared<BundleDistributedManager>();
42 std::weak_ptr<BundleDistributedManager> serverWptr = server;
43 BundleManagerCallback bundleManagerCallback(serverWptr);
44 std::string installResult = INSTALL_RESULT;
45 bundleManagerCallback.OnQueryRpcIdFinished(installResult);
46 return true;
47 }
48 }
49
50 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)51 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
52 {
53 /* Run your code on data */
54 if (data == nullptr) {
55 return 0;
56 }
57
58 /* Validate the length of size */
59 if (size < OHOS::U32_AT_SIZE || size > OHOS::FOO_MAX_LEN) {
60 return 0;
61 }
62
63 char* ch = (char*)malloc(size + 1);
64 if (ch == nullptr) {
65 std::cout << "malloc failed." << std::endl;
66 return 0;
67 }
68
69 (void)memset_s(ch, size + 1, 0x00, size + 1);
70 if (memcpy_s(ch, size + 1, data, size) != EOK) {
71 std::cout << "copy failed." << std::endl;
72 free(ch);
73 ch = nullptr;
74 return 0;
75 }
76
77 OHOS::DoSomethingInterestingWithMyAPI(ch, size);
78 free(ch);
79 ch = nullptr;
80 return 0;
81 }