1 /*
2 * Copyright (c) 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 "user_cert_plugin_fuzzer.h"
17
18 #include <system_ability_definition.h>
19
20 #include "common_fuzzer.h"
21 #include "edm_ipc_interface_code.h"
22 #include "ienterprise_device_mgr.h"
23 #include "func_code.h"
24 #include "message_parcel.h"
25 #include "utils.h"
26
27 namespace OHOS {
28 namespace EDM {
29 constexpr size_t MIN_SIZE = 24;
30 constexpr size_t WITHOUT_USERID = 0;
31
32 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)33 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
34 {
35 if (data == nullptr) {
36 return 0;
37 }
38 if (size < MIN_SIZE) {
39 return 0;
40 }
41 int32_t pos = 0;
42 int32_t stringSize = (size - pos) / 9;
43 for (uint32_t operateType = static_cast<uint32_t>(FuncOperateType::GET);
44 operateType <= static_cast<uint32_t>(FuncOperateType::REMOVE); operateType++) {
45 uint32_t code = EdmInterfaceCode::INSTALL_CERTIFICATE;
46 code = POLICY_FUNC_CODE(operateType, code);
47
48 AppExecFwk::ElementName admin;
49 admin.SetBundleName(CommonFuzzer::GetString(data, pos, stringSize, size));
50 admin.SetAbilityName(CommonFuzzer::GetString(data, pos, stringSize, size));
51 MessageParcel parcel;
52 parcel.WriteInterfaceToken(IEnterpriseDeviceMgrIdl::GetDescriptor());
53 parcel.WriteInt32(WITHOUT_USERID);
54 if (operateType == static_cast<uint32_t>(FuncOperateType::SET)) {
55 parcel.WriteParcelable(&admin);
56 std::vector <uint8_t> certArray{(*data)};
57 parcel.WriteUInt8Vector(certArray);
58 parcel.WriteString(CommonFuzzer::GetString(data, pos, stringSize, size));
59 } else if (operateType == static_cast<uint32_t>(FuncOperateType::REMOVE)) {
60 parcel.WriteParcelable(&admin);
61 parcel.WriteString(CommonFuzzer::GetString(data, pos, stringSize, size));
62 } else {
63 parcel.WriteString("");
64 parcel.WriteInt32(0);
65 parcel.WriteParcelable(&admin);
66 }
67 CommonFuzzer::OnRemoteRequestFuzzerTest(code, data, size, parcel);
68 }
69 return 0;
70 }
71 } // namespace EDM
72 } // namespace OHOS