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