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 "unsubscribeconstraintsstub_fuzzer.h"
17 #include <string>
18 #include <thread>
19 #include <vector>
20 #include "accesstoken_kit.h"
21 #include "fuzz_data.h"
22 #include "ios_account.h"
23 #include "os_account_constraint_subscriber_manager.h"
24 #include "os_account_manager_service.h"
25 #include "nativetoken_kit.h"
26 #include "token_setproc.h"
27
28 using namespace std;
29 using namespace OHOS::AccountSA;
30 using namespace OHOS::Security::AccessToken;
31 namespace OHOS {
32 const std::u16string IOS_ACCOUNT_DESCRIPTOR = u"ohos.accountfwk.IOsAccount";
33 const std::string TEST_CONSTRIANT = "constraint.wifi";
34
SubscribeOsAccountConstraint(const std::string & constraint)35 bool SubscribeOsAccountConstraint(const std::string &constraint)
36 {
37 MessageParcel datas;
38 datas.WriteInterfaceToken(IOS_ACCOUNT_DESCRIPTOR);
39 std::set<string> constraints = {constraint};
40 OsAccountConstraintSubscribeInfo subscriber(constraints);
41 if (!datas.WriteParcelable(&subscriber)) {
42 return false;
43 }
44
45 if (!datas.WriteRemoteObject(OsAccountConstraintSubscriberManager::GetInstance()->AsObject())) {
46 return false;
47 }
48
49 MessageParcel reply;
50 MessageOption option;
51 auto osAccountManagerService_ = std::make_shared<OsAccountManagerService>();
52
53 osAccountManagerService_ ->OnRemoteRequest(
54 static_cast<int32_t>(IOsAccountIpcCode::COMMAND_SUBSCRIBE_OS_ACCOUNT_CONSTRAINTS), datas, reply, option);
55
56 return true;
57 }
58
UnsubscribeOsAccountConstraintStubFuzzTest(const uint8_t * data,size_t size)59 bool UnsubscribeOsAccountConstraintStubFuzzTest(const uint8_t *data, size_t size)
60 {
61 if ((data == nullptr) || (size == 0)) {
62 return false;
63 }
64
65 FuzzData fuzzData(data, size);
66 std::string testStr = fuzzData.GetData<bool>() ? fuzzData.GenerateString() : TEST_CONSTRIANT;
67 SubscribeOsAccountConstraint(testStr);
68
69 int32_t id = fuzzData.GetData<int32_t>();
70 OsAccountConstraintSubscribeManager::GetInstance().Publish(id, {testStr}, fuzzData.GetData<bool>());
71 MessageParcel datas;
72 datas.WriteInterfaceToken(IOS_ACCOUNT_DESCRIPTOR);
73
74 auto useOsAccountConstraintSubscribeInfo = fuzzData.GenerateBool();
75 if (useOsAccountConstraintSubscribeInfo) {
76 std::set<string> constraints = {testStr};
77 OsAccountConstraintSubscribeInfo subscriber(constraints);
78 if (!datas.WriteParcelable(&subscriber)) {
79 return false;
80 }
81 }
82
83 auto useOsAccountConstraintSubscriberManager = fuzzData.GenerateBool();
84 if (useOsAccountConstraintSubscriberManager) {
85 if (!datas.WriteRemoteObject(OsAccountConstraintSubscriberManager::GetInstance()->AsObject())) {
86 return false;
87 }
88 }
89
90 MessageParcel reply;
91 MessageOption option;
92 auto osAccountManagerService_ = std::make_shared<OsAccountManagerService>();
93
94 osAccountManagerService_ ->OnRemoteRequest(
95 static_cast<int32_t>(IOsAccountIpcCode::COMMAND_UNSUBSCRIBE_OS_ACCOUNT_CONSTRAINTS), datas, reply, option);
96
97 return true;
98 }
99 } // namespace OHOS
100
NativeTokenGet()101 void NativeTokenGet()
102 {
103 uint64_t tokenId;
104 const char **perms = new const char *[1];
105
106 perms[0] = "ohos.permission.INTERACT_ACROSS_LOCAL_ACCOUNTS";
107
108 NativeTokenInfoParams infoInstance = {
109 .dcapsNum = 0,
110 .permsNum = 1,
111 .aclsNum = 0,
112 .perms = perms,
113 .acls = nullptr,
114 .aplStr = "system_core",
115 };
116 infoInstance.processName = "UNSUBSCRIBE_OSACCOUNT_CONSTRAINT";
117 tokenId = GetAccessTokenId(&infoInstance);
118 SetSelfTokenID(tokenId);
119 AccessTokenKit::ReloadNativeTokenInfo();
120 delete [] perms;
121 }
122
123 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)124 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
125 {
126 NativeTokenGet();
127 return 0;
128 }
129
130
131 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)132 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
133 {
134 /* Run your code on data */
135 OHOS::UnsubscribeOsAccountConstraintStubFuzzTest(data, size);
136 return 0;
137 }
138