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 #include "unregistertokensynccallbackstub_fuzzer.h"
17
18 #undef private
19 #include "accesstoken_callback_stubs.h"
20 #include "accesstoken_kit.h"
21 #include "accesstoken_manager_service.h"
22 #include "i_accesstoken_manager.h"
23 #include "token_setproc.h"
24 #include "token_sync_kit_interface.h"
25
26 using namespace std;
27 using namespace OHOS::Security::AccessToken;
28 namespace {
29 class TokenSyncCallbackImpl : public TokenSyncCallbackStub {
30 public:
31 TokenSyncCallbackImpl() = default;
32 virtual ~TokenSyncCallbackImpl() = default;
33
GetRemoteHapTokenInfo(const std::string & deviceID,AccessTokenID tokenID)34 int32_t GetRemoteHapTokenInfo(const std::string& deviceID, AccessTokenID tokenID) override
35 {
36 return TokenSyncError::TOKEN_SYNC_OPENSOURCE_DEVICE;
37 };
38
DeleteRemoteHapTokenInfo(AccessTokenID tokenID)39 int32_t DeleteRemoteHapTokenInfo(AccessTokenID tokenID) override
40 {
41 return TokenSyncError::TOKEN_SYNC_SUCCESS;
42 };
43
UpdateRemoteHapTokenInfo(const HapTokenInfoForSync & tokenInfo)44 int32_t UpdateRemoteHapTokenInfo(const HapTokenInfoForSync& tokenInfo) override
45 {
46 return TokenSyncError::TOKEN_SYNC_SUCCESS;
47 };
48 };
49
NativeTokenGet()50 bool NativeTokenGet()
51 {
52 AccessTokenID token = AccessTokenKit::GetNativeTokenId("token_sync_service");
53 if (token == 0) {
54 return false;
55 }
56 SetSelfTokenID(token);
57 return true;
58 }
59 };
60
61 namespace OHOS {
RegisterTokenSyncCallbackStubFuzzTest(const uint8_t * data,size_t size)62 bool RegisterTokenSyncCallbackStubFuzzTest(const uint8_t* data, size_t size)
63 {
64 if ((data == nullptr) || (size == 0)) {
65 return false;
66 }
67 #ifdef TOKEN_SYNC_ENABLE
68 sptr<TokenSyncCallbackImpl> callback = new (std::nothrow) TokenSyncCallbackImpl();
69 if (callback == nullptr) {
70 return false;
71 }
72
73 MessageParcel datas;
74 datas.WriteInterfaceToken(IAccessTokenManager::GetDescriptor());
75 uint32_t code = static_cast<uint32_t>(
76 AccessTokenInterfaceCode::UNREGISTER_TOKEN_SYNC_CALLBACK);
77
78 MessageParcel reply;
79 MessageOption option;
80 DelayedSingleton<AccessTokenManagerService>::GetInstance()->OnRemoteRequest(code, datas, reply, option);
81 #endif // TOKEN_SYNC_ENABLE
82 return true;
83 }
84 } // namespace OHOS
85
86 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)87 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
88 {
89 /* Run your code on data */
90 #ifdef TOKEN_SYNC_ENABLE
91 if (!NativeTokenGet()) {
92 return 0;
93 }
94 #endif
95 OHOS::RegisterTokenSyncCallbackStubFuzzTest(data, size);
96 return 0;
97 }