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 "smooth_zoom_fuzzer.h"
17 #include "camera_timer.h"
18 #include "hstream_capture.h"
19 #include "message_parcel.h"
20 #include "nativetoken_kit.h"
21 #include "token_setproc.h"
22 #include "accesstoken_kit.h"
23 #include "camera_metadata_info.h"
24 #include "metadata_utils.h"
25
26 namespace {
27
28 const int32_t LIMITSIZE = 12;
29
30 }
31
32 namespace OHOS {
33 namespace CameraStandard {
34
35 bool SmoothZoomFuzzer::hasPermission = false;
36 SmoothZoom *SmoothZoomFuzzer::fuzz = nullptr;
37
CheckPermission()38 void SmoothZoomFuzzer::CheckPermission()
39 {
40 if (!hasPermission) {
41 uint64_t tokenId;
42 const char *perms[0];
43 perms[0] = "ohos.permission.CAMERA";
44 NativeTokenInfoParams infoInstance = { .dcapsNum = 0, .permsNum = 1, .aclsNum = 0, .dcaps = NULL,
45 .perms = perms, .acls = NULL, .processName = "camera_capture", .aplStr = "system_basic",
46 };
47 tokenId = GetAccessTokenId(&infoInstance);
48 SetSelfTokenID(tokenId);
49 OHOS::Security::AccessToken::AccessTokenKit::ReloadNativeTokenInfo();
50 hasPermission = true;
51 }
52 }
53
Test(uint8_t * rawData,size_t size)54 void SmoothZoomFuzzer::Test(uint8_t *rawData, size_t size)
55 {
56 if (rawData == nullptr || size < LIMITSIZE) {
57 return;
58 }
59 CheckPermission();
60
61 if (fuzz == nullptr) {
62 fuzz = new SmoothZoom();
63 }
64 MessageParcel data;
65 data.WriteRawData(rawData, size);
66
67 SmoothZoomType mode = SmoothZoomType::NORMAL;
68 auto alg = fuzz->GetZoomAlgorithm(mode);
69
70 data.RewindRead(0);
71 float currentZoom = data.ReadFloat();
72 float targetZoom = data.ReadFloat();
73 float frameInterval = data.ReadFloat();
74 alg->GetZoomArray(currentZoom, targetZoom, frameInterval);
75 }
76
77 } // namespace CameraStandard
78 } // namespace OHOS
79
80 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)81 extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size)
82 {
83 /* Run your code on data */
84 OHOS::CameraStandard::SmoothZoomFuzzer::Test(data, size);
85 return 0;
86 }