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 "addsystemability_fuzzer.h"
17
18 #include <fuzzer/FuzzedDataProvider.h>
19 #include "fuzztest_utils.h"
20 #include "string_ex.h"
21 #include "itest_transaction_service.h"
22 #include "samgr_ipc_interface_code.h"
23 namespace OHOS {
24 namespace Samgr {
25 namespace {
26 constexpr size_t THRESHOLD = 4;
27 const std::u16string SAMGR_INTERFACE_TOKEN = u"ohos.samgr.accessToken";
28 }
FuzzAddSystemAbility(const uint8_t * data,size_t size)29 void FuzzAddSystemAbility(const uint8_t *data, size_t size)
30 {
31 FuzzedDataProvider fdp(data, size);
32 auto systemAbilityId = fdp.ConsumeIntegral<int32_t>();
33 auto isDistributed = fdp.ConsumeBool();
34 sptr<IRemoteObject> saObj = new(std::nothrow) MockSystemAbilityStatusChange();
35 if (saObj == nullptr) {
36 return;
37 }
38 MessageParcel parcelData;
39 parcelData.WriteInterfaceToken(SAMGR_INTERFACE_TOKEN);
40 parcelData.WriteInt32(systemAbilityId);
41 parcelData.WriteRemoteObject(saObj);
42 parcelData.WriteBool(isDistributed);
43 auto dumpFlags = fdp.ConsumeIntegral<int32_t>();
44 parcelData.WriteInt32(dumpFlags);
45 auto capability = u"";
46 parcelData.WriteString16(capability);
47 auto permission = u"";
48 parcelData.WriteString16(permission);
49 FuzzTestUtils::FuzzTestRemoteRequest(parcelData,
50 static_cast<uint32_t>(SamgrInterfaceCode::ADD_SYSTEM_ABILITY_TRANSACTION));
51 }
52 }
53 }
54 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)55 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
56 {
57 if (size < OHOS::Samgr::THRESHOLD) {
58 return 0;
59 }
60 OHOS::Samgr::FuzzAddSystemAbility(data, size);
61 return 0;
62 }