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 "dumpabilityinfodone_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}
32sptr<Token> GetFuzzAbilityToken()
33{
34    sptr<Token> token = nullptr;
35
36    AbilityRequest abilityRequest;
37    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
38    abilityRequest.abilityInfo.name = "MainAbility";
39    abilityRequest.abilityInfo.type = AbilityType::DATA;
40    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
41    if (abilityRecord) {
42        token = abilityRecord->GetToken();
43    }
44
45    return token;
46}
47bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
48{
49    auto abilitymgr = AbilityManagerClient::GetInstance();
50    if (!abilitymgr) {
51        return false;
52    }
53
54    // get token and connectCallback
55    sptr<IRemoteObject> token = GetFuzzAbilityToken();
56    if (!token) {
57        std::cout << "Get ability token failed." << std::endl;
58        return false;
59    }
60
61    std::vector<std::string> infos;
62    std::string info(data, size);
63    infos.emplace_back(info);
64    if (abilitymgr->DumpAbilityInfoDone(infos, token) != 0) {
65        return false;
66    }
67    return true;
68}
69}
70
71/* Fuzzer entry point */
72extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
73{
74    /* Run your code on data */
75    if (data == nullptr) {
76        std::cout << "invalid data" << std::endl;
77        return 0;
78    }
79
80    /* Validate the length of size */
81    if (size > OHOS::FOO_MAX_LEN || size < OHOS::U32_AT_SIZE) {
82        return 0;
83    }
84
85    char* ch = (char*)malloc(size + 1);
86    if (ch == nullptr) {
87        std::cout << "malloc failed." << std::endl;
88        return 0;
89    }
90
91    (void)memset_s(ch, size + 1, 0x00, size + 1);
92    if (memcpy_s(ch, size, data, size) != EOK) {
93        std::cout << "copy failed." << std::endl;
94        free(ch);
95        ch = nullptr;
96        return 0;
97    }
98
99    OHOS::DoSomethingInterestingWithMyAPI(ch, size);
100    free(ch);
101    ch = nullptr;
102    return 0;
103}