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 "fuzztest_utils.h"
19 #include "string_ex.h"
20 #include "itest_transaction_service.h"
21 #include "samgr_ipc_interface_code.h"
22 namespace OHOS {
23 namespace Samgr {
24 namespace {
25 constexpr size_t THRESHOLD = 4;
26 const std::u16string SAMGR_INTERFACE_TOKEN = u"ohos.samgr.accessToken";
27 }
FuzzAddSystemAbility(const uint8_t * data,size_t size)28 void FuzzAddSystemAbility(const uint8_t *data, size_t size)
29 {
30 auto systemAbilityId = FuzzTestUtils::BuildInt32FromData(data, size);
31 auto isDistributed = FuzzTestUtils::BuildBoolFromData(data, size);
32 sptr<IRemoteObject> saObj = new(std::nothrow) MockSystemAbilityStatusChange();
33 if (saObj == nullptr) {
34 return;
35 }
36 MessageParcel parcelData;
37 parcelData.WriteInterfaceToken(SAMGR_INTERFACE_TOKEN);
38 parcelData.WriteInt32(systemAbilityId);
39 parcelData.WriteRemoteObject(saObj);
40 parcelData.WriteBool(isDistributed);
41 auto dumpFlags = FuzzTestUtils::BuildInt32FromData(data, size);
42 parcelData.WriteInt32(dumpFlags);
43 auto capability = Str8ToStr16(FuzzTestUtils::BuildStringFromData(data, size));
44 parcelData.WriteString16(capability);
45 auto permission = Str8ToStr16(FuzzTestUtils::BuildStringFromData(data, size));
46 parcelData.WriteString16(permission);
47 FuzzTestUtils::FuzzTestRemoteRequest(parcelData,
48 static_cast<uint32_t>(SamgrInterfaceCode::ADD_SYSTEM_ABILITY_TRANSACTION));
49 }
50 }
51 }
52 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)53 extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
54 {
55 if (size < OHOS::Samgr::THRESHOLD) {
56 return 0;
57 }
58 OHOS::Samgr::FuzzAddSystemAbility(data, size);
59 return 0;
60 }