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 "dumpsysstate_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#include "ability_manager_client.h"
22#include "ability_record.h"
23
24using namespace OHOS::AAFwk;
25using namespace OHOS::AppExecFwk;
26
27namespace OHOS {
28namespace {
29constexpr size_t FOO_MAX_LEN = 1024;
30constexpr size_t U32_AT_SIZE = 4;
31}
32bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
33{
34    auto abilitymgr = AbilityManagerClient::GetInstance();
35    std::vector<std::string> states;
36    std::string args(data, size);
37    std::string state(data, size);
38    bool isClient = true;
39    bool isUserId = true;
40    int userId = true;
41    if (!abilitymgr) {
42        return false;
43    }
44
45    states.emplace_back(state);
46    if (abilitymgr->DumpSysState(args, states, isClient, isUserId, userId) != 0) {
47        return false;
48    }
49
50    return true;
51}
52}
53
54/* Fuzzer entry point */
55extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
56{
57    /* Run your code on data */
58    if (data == nullptr) {
59        std::cout << "invalid data" << std::endl;
60        return 0;
61    }
62
63    /* Validate the length of size */
64    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
65        return 0;
66    }
67
68    char* ch = (char*)malloc(size + 1);
69    if (ch == nullptr) {
70        std::cout << "malloc failed." << std::endl;
71        return 0;
72    }
73
74    (void)memset_s(ch, size + 1, 0x00, size + 1);
75    if (memcpy_s(ch, size, data, size) != EOK) {
76        std::cout << "copy failed." << std::endl;
77        free(ch);
78        ch = nullptr;
79        return 0;
80    }
81
82    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
83    free(ch);
84    ch = nullptr;
85    return 0;
86}