1/*
2 * Copyright (c) 2023 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 "abilitystubgetdlpconnectioninfos_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#define private public
22#include "ability_manager_service.h"
23#undef private
24#include "message_parcel.h"
25#include "securec.h"
26
27using namespace OHOS::AAFwk;
28
29namespace OHOS {
30namespace {
31constexpr size_t FOO_MAX_LEN = 1024;
32constexpr size_t U32_AT_SIZE = 4;
33}
34const std::u16string ABILITYMGR_INTERFACE_TOKEN = u"ohos.aafwk.AbilityManager";
35
36bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
37{
38#ifdef WITH_DLP
39    uint32_t code = static_cast<uint32_t>(AbilityManagerInterfaceCode::GET_DLP_CONNECTION_INFOS);
40#endif // WITH_DLP
41
42    MessageParcel parcel;
43    parcel.WriteInterfaceToken(ABILITYMGR_INTERFACE_TOKEN);
44    parcel.WriteBuffer(data, size);
45    parcel.RewindRead(0);
46    MessageParcel reply;
47    MessageOption option;
48    DelayedSingleton<AbilityManagerService>::GetInstance()->subManagersHelper_ =
49        std::make_shared<SubManagersHelper>(nullptr, nullptr);
50    DelayedSingleton<AbilityManagerService>::GetInstance()->subManagersHelper_->currentUIAbilityManager_ =
51        std::make_shared<UIAbilityLifecycleManager>();
52#ifdef WITH_DLP
53    DelayedSingleton<AbilityManagerService>::GetInstance()->OnRemoteRequest(code, parcel, reply, option);
54#endif // WITH_DLP
55
56    return true;
57}
58}
59
60/* Fuzzer entry point */
61extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
62{
63    /* Run your code on data */
64    if (data == nullptr) {
65        std::cout << "invalid data" << std::endl;
66        return 0;
67    }
68
69    /* Validate the length of size */
70    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
71        return 0;
72    }
73
74    char* ch = static_cast<char*>(malloc(size + 1));
75    if (ch == nullptr) {
76        std::cout << "malloc failed." << std::endl;
77        return 0;
78    }
79
80    (void)memset_s(ch, size + 1, 0x00, size + 1);
81    if (memcpy_s(ch, size, data, size) != EOK) {
82        std::cout << "copy failed." << std::endl;
83        free(ch);
84        ch = nullptr;
85        return 0;
86    }
87
88    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
89    free(ch);
90    ch = nullptr;
91    return 0;
92}
93
94