1/*
2 * Copyright (c) 2022 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#include "countrycodecallbackhost_fuzzer.h"
16
17#include "accesstoken_kit.h"
18#include "if_system_ability_manager.h"
19#include "iservice_registry.h"
20#include "message_option.h"
21#include "message_parcel.h"
22#include "nativetoken_kit.h"
23#include "system_ability_definition.h"
24#include "token_setproc.h"
25
26#include "common_utils.h"
27#include "constant_definition.h"
28#include "country_code_callback_napi.h"
29#include "i_locator_callback.h"
30#include "location.h"
31#include "locator_ability.h"
32
33namespace OHOS {
34using namespace OHOS::Location;
35const int32_t MAX_MEM_SIZE = 4 * 1024 * 1024;
36
37char* ParseData(const uint8_t* data, size_t size)
38{
39    if (data == nullptr) {
40        return nullptr;
41    }
42
43    if (size > MAX_MEM_SIZE) {
44        return nullptr;
45    }
46
47    char* ch = (char *)malloc(size + 1);
48    if (ch == nullptr) {
49        return nullptr;
50    }
51
52    (void)memset_s(ch, size + 1, 0x00, size + 1);
53    if (memcpy_s(ch, size, data, size) != EOK) {
54        free(ch);
55        ch = nullptr;
56        return nullptr;
57    }
58    return ch;
59}
60
61bool CountryCodeCallbackHostFuzzTest(const char* data, size_t size)
62{
63    MessageParcel requestParcel;
64    requestParcel.WriteInterfaceToken(u"location.ICountryCodeCallback");
65    requestParcel.WriteBuffer(data, size);
66    requestParcel.RewindRead(0);
67
68    MessageParcel reply;
69    MessageOption option;
70    auto callback = sptr<CountryCodeCallbackNapi>(new (std::nothrow) CountryCodeCallbackNapi());
71    callback->OnRemoteRequest(CountryCodeCallbackNapi::COUNTRY_CODE_CHANGE_EVENT, requestParcel, reply, option);
72    return true;
73}
74} // namespace OHOS
75
76/* Fuzzer entry point */
77extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
78{
79    char* ch = OHOS::ParseData(data, size);
80    if (ch != nullptr) {
81        OHOS::CountryCodeCallbackHostFuzzTest(ch, size);
82        free(ch);
83        ch = nullptr;
84    }
85    return 0;
86}
87
88