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 "binddomainaccountstub_fuzzer.h"
17 #include <string>
18 #include <thread>
19 #include <vector>
20
21 #include "access_token.h"
22 #include "access_token_error.h"
23 #include "accesstoken_kit.h"
24 #include "nativetoken_kit.h"
25 #include "domain_account_callback_service.h"
26 #include "fuzz_data.h"
27 #include "ios_account.h"
28 #include "os_account_manager_service.h"
29 #include "token_setproc.h"
30
31 using namespace std;
32 using namespace OHOS::AccountSA;
33 using namespace OHOS::Security::AccessToken;
34
35 namespace OHOS {
36 const std::u16string IOS_ACCOUNT_DESCRIPTOR = u"ohos.accountfwk.IOsAccount";
37
38 class TestCallback final : public DomainAccountCallback {
39 public:
40 TestCallback() = default;
41 ~TestCallback() = default;
OnResult(const int32_t errCode,Parcel & parcel)42 void OnResult(const int32_t errCode, Parcel &parcel) override
43 {
44 return;
45 }
46 };
47
BindDomainAccountStubFuzzTest(const uint8_t * data,size_t size)48 bool BindDomainAccountStubFuzzTest(const uint8_t *data, size_t size)
49 {
50 if ((data == nullptr) || (size == 0)) {
51 return false;
52 }
53
54 FuzzData fuzzData(data, size);
55 MessageParcel datas;
56 datas.WriteInterfaceToken(IOS_ACCOUNT_DESCRIPTOR);
57 int32_t localId = static_cast<int32_t>(fuzzData.GetData<size_t>() % Constants::MAX_USER_ID);
58 if (!datas.WriteInt32(localId)) {
59 return false;
60 }
61 auto useDomainAccountInfo = fuzzData.GenerateBool();
62 if (useDomainAccountInfo) {
63 DomainAccountInfo domainInfo(fuzzData.GenerateString(), fuzzData.GenerateString());
64 if (!datas.WriteParcelable(&domainInfo)) {
65 return false;
66 }
67 }
68 auto useDomainAccountCallbackService = fuzzData.GenerateBool();
69 if (useDomainAccountCallbackService) {
70 std::shared_ptr<DomainAccountCallback> callbackPtr = std::make_shared<TestCallback>();
71 sptr<DomainAccountCallbackService> callbackService =
72 new (std::nothrow) DomainAccountCallbackService(callbackPtr);
73 if ((callbackService == nullptr) || (!datas.WriteRemoteObject(callbackService->AsObject()))) {
74 return false;
75 }
76 }
77
78 MessageParcel reply;
79 MessageOption option;
80
81 auto osAccountManagerService_ = std::make_shared<OsAccountManagerService>();
82
83 osAccountManagerService_->OnRemoteRequest(
84 static_cast<int32_t>(IOsAccountIpcCode::COMMAND_BIND_DOMAIN_ACCOUNT), datas, reply, option);
85
86 return true;
87 }
88 } // namespace OHOS
89
NativeTokenGet()90 void NativeTokenGet()
91 {
92 uint64_t tokenId;
93 const char **perms = new const char *[1];
94 perms[0] = "ohos.permission.MANAGE_LOCAL_ACCOUNTS";
95 NativeTokenInfoParams infoInstance = {
96 .dcapsNum = 0,
97 .permsNum = 1,
98 .aclsNum = 0,
99 .perms = perms,
100 .acls = nullptr,
101 .aplStr = "system_core",
102 };
103 infoInstance.processName = "BIND_DOMAIN_ACCOUNT";
104 tokenId = GetAccessTokenId(&infoInstance);
105 SetSelfTokenID(tokenId);
106 AccessTokenKit::ReloadNativeTokenInfo();
107 delete[] perms;
108 }
109
110 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)111 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
112 {
113 NativeTokenGet();
114 return 0;
115 }
116
117 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)118 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
119 {
120 /* Run your code on data */
121 OHOS::BindDomainAccountStubFuzzTest(data, size);
122 return 0;
123 }
124