1 /*
2 * Copyright (c) 2023-2025 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 "opensessionstub_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_service.h"
24 #include "account_log_wrapper.h"
25 #include "fuzz_data.h"
26 #include "nativetoken_kit.h"
27 #include "token_setproc.h"
28
29 using namespace std;
30 using namespace OHOS::AccountSA;
31 using namespace OHOS::Security::AccessToken;
32 namespace OHOS {
33 const std::u16string IAMACCOUNT_TOKEN = u"ohos.accountfwk.IAccountIAM";
NativeTokenGet()34 void NativeTokenGet()
35 {
36 uint64_t tokenId;
37 const char **perms = new const char *[1];
38 perms[0] = "ohos.permission.MANAGE_USER_IDM";
39 NativeTokenInfoParams infoInstance = {
40 .dcapsNum = 0,
41 .permsNum = 1,
42 .aclsNum = 0,
43 .perms = perms,
44 .acls = nullptr,
45 .aplStr = "system_core",
46 };
47 infoInstance.processName = "OPEN_SESSION";
48 tokenId = GetAccessTokenId(&infoInstance);
49 SetSelfTokenID(tokenId);
50 AccessTokenKit::ReloadNativeTokenInfo();
51 delete [] perms;
52 }
53
OpenSessionStubFuzzTest(const uint8_t * data,size_t size)54 bool OpenSessionStubFuzzTest(const uint8_t *data, size_t size)
55 {
56 if ((data == nullptr) || (size == 0)) {
57 return false;
58 }
59 MessageParcel dataTemp;
60 if (!dataTemp.WriteInterfaceToken(IAMACCOUNT_TOKEN)) {
61 return false;
62 }
63 FuzzData fuzzData(data, size);
64 int32_t userId = fuzzData.GetData<int32_t>();
65 if (!dataTemp.WriteInt32(userId)) {
66 return false;
67 }
68 NativeTokenGet();
69 MessageParcel reply;
70 MessageOption option;
71 uint32_t code = static_cast<uint32_t>(IAccountIAMIpcCode::COMMAND_OPEN_SESSION);
72 auto iamAccountManagerService = std::make_shared<AccountIAMService>();
73 iamAccountManagerService->OnRemoteRequest(code, dataTemp, reply, option);
74
75 return true;
76 }
77 } // namespace OHOS
78
79 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)80 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
81 {
82 /* Run your code on data */
83 OHOS::OpenSessionStubFuzzTest(data, size);
84 return 0;
85 }
86