1 /*
2 * Copyright (c) 2023-2024 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 "getpropertystub_fuzzer.h"
17
18 #include <string>
19 #include <vector>
20 #include "access_token.h"
21 #include "access_token_error.h"
22 #include "accesstoken_kit.h"
23 #include "account_iam_callback_service.h"
24 #include "account_iam_client.h"
25 #include "account_iam_service.h"
26 #include "account_log_wrapper.h"
27 #include "fuzz_data.h"
28 #include "iaccount_iam.h"
29 #include "nativetoken_kit.h"
30 #include "token_setproc.h"
31
32 using namespace std;
33 using namespace OHOS::AccountSA;
34 using namespace OHOS::Security::AccessToken;
35 namespace OHOS {
36 const std::u16string IAMACCOUNT_TOKEN = u"ohos.accountfwk.IAccountIAM";
37
38 class MockGetSetPropCallback : public OHOS::AccountSA::GetSetPropCallback {
39 public:
~MockGetSetPropCallback()40 virtual ~MockGetSetPropCallback() {}
OnResult(int32_t result,const Attributes & extraInfo)41 void OnResult(int32_t result, const Attributes &extraInfo) override
42 {
43 return;
44 }
45 };
46
GetPropertyStubFuzzTest(const uint8_t * data,size_t size)47 bool GetPropertyStubFuzzTest(const uint8_t *data, size_t size)
48 {
49 if ((data == nullptr) || (size == 0)) {
50 return false;
51 }
52 FuzzData fuzzData(data, size);
53 int32_t userId = fuzzData.GetData<int32_t>();
54 AuthType authType = static_cast<AuthType>(fuzzData.GenerateEnmu(IAMAuthType::TYPE_END));
55 std::vector<Attributes::AttributeKey> keys = {
56 fuzzData.GenerateEnmu(Attributes::AttributeKey::ATTR_AUTH_INTENTION)
57 };
58 GetPropertyRequest request = {
59 .authType = authType,
60 .keys = keys,
61 };
62 std::shared_ptr<GetSetPropCallback> ptr = make_shared<MockGetSetPropCallback>();
63 sptr<IGetSetPropCallback> callback = new (std::nothrow) GetSetPropCallbackService(ptr);
64
65 MessageParcel dataTemp;
66 if (!dataTemp.WriteInterfaceToken(IAMACCOUNT_TOKEN)) {
67 return false;
68 }
69 if (!dataTemp.WriteInt32(userId)) {
70 return false;
71 }
72 if (!dataTemp.WriteInt32(request.authType)) {
73 return false;
74 }
75 std::vector<uint32_t> attrKeys;
76 std::transform(request.keys.begin(), request.keys.end(), std::back_inserter(attrKeys),
77 [](const auto &key) { return static_cast<uint32_t>(key); });
78
79 if (!dataTemp.WriteUInt32Vector(attrKeys)) {
80 return false;
81 }
82 if (!dataTemp.WriteRemoteObject(callback->AsObject())) {
83 return false;
84 }
85
86 MessageParcel reply;
87 MessageOption option;
88 uint32_t code = static_cast<uint32_t>(AccountIAMInterfaceCode::GET_PROPERTY);
89 auto iamAccountManagerService = std::make_shared<AccountIAMService>();
90 iamAccountManagerService->OnRemoteRequest(code, dataTemp, reply, option);
91
92 return true;
93 }
94 } // namespace OHOS
95
NativeTokenGet()96 void NativeTokenGet()
97 {
98 uint64_t tokenId;
99 const char **perms = new const char *[1];
100 perms[0] = "ohos.permission.ACCESS_USER_AUTH_INTERNAL";
101 NativeTokenInfoParams infoInstance = {
102 .dcapsNum = 0,
103 .permsNum = 1,
104 .aclsNum = 0,
105 .perms = perms,
106 .acls = nullptr,
107 .aplStr = "system_core",
108 };
109 infoInstance.processName = "GET_PROPERTY";
110 tokenId = GetAccessTokenId(&infoInstance);
111 SetSelfTokenID(tokenId);
112 AccessTokenKit::ReloadNativeTokenInfo();
113 delete [] perms;
114 }
115
116 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)117 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
118 {
119 NativeTokenGet();
120 return 0;
121 }
122
123 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)124 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
125 {
126 /* Run your code on data */
127 OHOS::GetPropertyStubFuzzTest(data, size);
128 return 0;
129 }
130