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 "getcredentialinfostub_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 "iaccount_iam.h"
27 #include "securec.h"
28 #include "nativetoken_kit.h"
29 #include "token_setproc.h"
30
31 using namespace std;
32 using namespace OHOS::AccountSA;
33 using namespace OHOS::Security::AccessToken;
34 namespace OHOS {
35 const std::u16string IAMACCOUNT_TOKEN = u"ohos.accountfwk.IAccountIAM";
GetCredentialInfoStubFuzzTest(const uint8_t * data,size_t size)36 bool GetCredentialInfoStubFuzzTest(const uint8_t *data, size_t size)
37 {
38 if ((data == nullptr) || (size == 0)) {
39 return false;
40 }
41 MessageParcel dataTemp;
42 if (!dataTemp.WriteInterfaceToken(IAMACCOUNT_TOKEN)) {
43 return false;
44 }
45 FuzzData fuzzData(data, size);
46 int32_t userId = fuzzData.GetData<int32_t>();
47 if (!dataTemp.WriteInt32(userId)) {
48 return false;
49 }
50 MessageParcel reply;
51 MessageOption option;
52 uint32_t code = static_cast<uint32_t>(AccountIAMInterfaceCode::GET_CREDENTIAL_INFO);
53 auto iamAccountManagerService = std::make_shared<AccountIAMService>();
54 iamAccountManagerService->OnRemoteRequest(code, dataTemp, reply, option);
55
56 return true;
57 }
58 } // namespace OHOS
59
NativeTokenGet()60 void NativeTokenGet()
61 {
62 uint64_t tokenId;
63 const char **perms = new const char *[1];
64 perms[0] = "ohos.permission.USE_USER_IDM";
65 NativeTokenInfoParams infoInstance = {
66 .dcapsNum = 0,
67 .permsNum = 1,
68 .aclsNum = 0,
69 .perms = perms,
70 .acls = nullptr,
71 .aplStr = "system_core",
72 };
73 infoInstance.processName = "GET_CREDENTIAL_INFO";
74 tokenId = GetAccessTokenId(&infoInstance);
75 SetSelfTokenID(tokenId);
76 AccessTokenKit::ReloadNativeTokenInfo();
77 delete [] perms;
78 }
79
80 /* Fuzzer entry point */
LLVMFuzzerInitialize(int * argc,char *** argv)81 extern "C" int LLVMFuzzerInitialize(int *argc, char ***argv)
82 {
83 NativeTokenGet();
84 return 0;
85 }
86
87 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)88 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
89 {
90 /* Run your code on data */
91 OHOS::GetCredentialInfoStubFuzzTest(data, size);
92 return 0;
93 }
94