1 /*
2 * Copyright (c) 2025 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 #include "enableappaccessstub_fuzzer.h"
17
18 #include <string>
19 #include <vector>
20
21 #include "account_log_wrapper.h"
22 #include "app_account_manager_service.h"
23 #include "fuzz_data.h"
24 #include "iapp_account.h"
25
26 using namespace std;
27 using namespace OHOS::AccountSA;
28 namespace OHOS {
29 const std::u16string APPACCOUNT_TOKEN = u"OHOS.AccountSA.IAppAccount";
30 const int CONST_NUMBER_ONE = 1;
EnableAppAccessStubFuzzTest(const uint8_t * data,size_t size)31 bool EnableAppAccessStubFuzzTest(const uint8_t *data, size_t size)
32 {
33 if ((data == nullptr) || (size == 0)) {
34 return false;
35 }
36 MessageParcel dataTemp;
37 FuzzData fuzzData(data, size);
38 auto token = APPACCOUNT_TOKEN;
39 auto isWriteCorrectToken = fuzzData.GetData<bool>();
40 if (!isWriteCorrectToken) {
41 token.append(CONST_NUMBER_ONE, fuzzData.GetData<char16_t>());
42 }
43 if (!dataTemp.WriteInterfaceToken(token)) {
44 return false;
45 }
46 std::string name = fuzzData.GenerateString();
47 if (!dataTemp.WriteString(name)) {
48 return false;
49 }
50 std::string authorizedApp = fuzzData.GenerateString();
51 if (!dataTemp.WriteString(authorizedApp)) {
52 return false;
53 }
54 MessageParcel reply;
55 MessageOption option;
56 uint32_t code = static_cast<uint32_t>(IAppAccountIpcCode::COMMAND_ENABLE_APP_ACCESS);
57 auto appAccountManagerService = std::make_shared<AppAccountManagerService>();
58 appAccountManagerService->OnRemoteRequest(code, dataTemp, reply, option);
59 return true;
60 }
61
DisableAppAccessStubFuzzTest(const uint8_t * data,size_t size)62 bool DisableAppAccessStubFuzzTest(const uint8_t *data, size_t size)
63 {
64 if ((data == nullptr) || (size == 0)) {
65 return false;
66 }
67 MessageParcel dataTemp;
68 if (!dataTemp.WriteInterfaceToken(APPACCOUNT_TOKEN)) {
69 return false;
70 }
71 FuzzData fuzzData(data, size);
72 std::string name = fuzzData.GenerateString();
73 if (!dataTemp.WriteString(name)) {
74 return false;
75 }
76 std::string authorizedApp = fuzzData.GenerateString();
77 if (!dataTemp.WriteString(authorizedApp)) {
78 return false;
79 }
80 MessageParcel reply;
81 MessageOption option;
82 uint32_t code = static_cast<uint32_t>(IAppAccountIpcCode::COMMAND_DISABLE_APP_ACCESS);
83 auto appAccountManagerService = std::make_shared<AppAccountManagerService>();
84 appAccountManagerService->OnRemoteRequest(code, dataTemp, reply, option);
85 return true;
86 }
87 } // namespace OHOS
88
89 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)90 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
91 {
92 /* Run your code on data */
93 OHOS::EnableAppAccessStubFuzzTest(data, size);
94 OHOS::DisableAppAccessStubFuzzTest(data, size);
95 return 0;
96 }
97