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 "setmissionlabel_fuzzer.h"
17
18#include <cstddef>
19#include <cstdint>
20
21#include "ability_connect_callback_interface.h"
22#include "ability_manager_client.h"
23#include "ability_record.h"
24
25using namespace OHOS::AAFwk;
26using namespace OHOS::AppExecFwk;
27
28namespace OHOS {
29namespace {
30constexpr size_t FOO_MAX_LEN = 1024;
31constexpr size_t U32_AT_SIZE = 4;
32}
33sptr<Token> GetFuzzAbilityToken()
34{
35    sptr<Token> token = nullptr;
36
37    AbilityRequest abilityRequest;
38    abilityRequest.appInfo.bundleName = "com.example.fuzzTest";
39    abilityRequest.abilityInfo.name = "MainAbility";
40    abilityRequest.abilityInfo.type = AbilityType::DATA;
41    std::shared_ptr<AbilityRecord> abilityRecord = AbilityRecord::CreateAbilityRecord(abilityRequest);
42    if (abilityRecord) {
43        token = abilityRecord->GetToken();
44    }
45
46    return token;
47}
48
49bool DoSomethingInterestingWithMyAPI(const char* data, size_t size)
50{
51    auto abilityMgr = AbilityManagerClient::GetInstance();
52    if (!abilityMgr) {
53        return false;
54    }
55
56    sptr<Token> token = GetFuzzAbilityToken();
57    if (!token) {
58        std::cout << "Get ability token failed." << std::endl;
59        return false;
60    }
61
62    // fuzz for label
63    if (abilityMgr->SetMissionLabel(token, data) != 0) {
64        return false;
65    }
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}
104
105