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 "camera_device_fuzzer.h"
17 #include "metadata_utils.h"
18 #include "ipc_skeleton.h"
19 #include "access_token.h"
20 #include "hap_token_info.h"
21 #include "accesstoken_kit.h"
22 #include "nativetoken_kit.h"
23 #include "token_setproc.h"
24 using namespace std;
25
26 namespace OHOS {
27 namespace CameraStandard {
28 const std::u16string FORMMGR_INTERFACE_TOKEN = u"ICameraDeviceService";
29 const int32_t LIMITSIZE = 2;
30
CameraDeviceFuzzTest(uint8_t * rawData,size_t size)31 void CameraDeviceFuzzTest(uint8_t *rawData, size_t size)
32 {
33 if (rawData == nullptr || size < LIMITSIZE) {
34 return;
35 }
36
37 uint64_t tokenId;
38 const char *perms[0];
39 perms[0] = "ohos.permission.CAMERA";
40 NativeTokenInfoParams infoInstance = { .dcapsNum = 0, .permsNum = 1, .aclsNum = 0, .dcaps = NULL,
41 .perms = perms, .acls = NULL, .processName = "camera_capture", .aplStr = "system_basic",
42 };
43 tokenId = GetAccessTokenId(&infoInstance);
44 SetSelfTokenID(tokenId);
45 OHOS::Security::AccessToken::AccessTokenKit::ReloadNativeTokenInfo();
46
47 uint32_t code = 4;
48 int32_t itemCount = 10;
49 int32_t dataSize = 100;
50 uint8_t *streams = rawData;
51 std::shared_ptr<OHOS::Camera::CameraMetadata> ability;
52 ability = std::make_shared<OHOS::Camera::CameraMetadata>(itemCount, dataSize);
53 ability->addEntry(OHOS_ABILITY_STREAM_AVAILABLE_EXTEND_CONFIGURATIONS, streams, size);
54 int32_t compensationRange[2] = {rawData[0], rawData[1]};
55 ability->addEntry(OHOS_CONTROL_AE_COMPENSATION_RANGE, compensationRange,
56 sizeof(compensationRange) / sizeof(compensationRange[0]));
57 float focalLength = rawData[0];
58 ability->addEntry(OHOS_ABILITY_FOCAL_LENGTH, &focalLength, sizeof(float));
59
60 int32_t sensorOrientation = rawData[0];
61 ability->addEntry(OHOS_SENSOR_ORIENTATION, &sensorOrientation, sizeof(int32_t));
62
63 int32_t cameraPosition = rawData[0];
64 ability->addEntry(OHOS_ABILITY_CAMERA_POSITION, &cameraPosition, sizeof(int32_t));
65
66 const camera_rational_t aeCompensationStep[] = {{rawData[0], rawData[1]}};
67 ability->addEntry(OHOS_CONTROL_AE_COMPENSATION_STEP, &aeCompensationStep,
68 sizeof(aeCompensationStep) / sizeof(aeCompensationStep[0]));
69
70 MessageParcel data;
71 data.WriteInterfaceToken(FORMMGR_INTERFACE_TOKEN);
72 if (!(OHOS::Camera::MetadataUtils::EncodeCameraMetadata(ability, data))) {
73 return;
74 }
75 data.RewindRead(0);
76 MessageParcel reply;
77 MessageOption option;
78 sptr<HCameraHostManager> cameraHostManager = new(std::nothrow) HCameraHostManager(nullptr);
79 std::shared_ptr<HCameraDevice> cameraDevice =
80 std::make_shared<HCameraDevice>(cameraHostManager, "", 0);
81 cameraDevice->OnRemoteRequest(code, data, reply, option);
82 }
83 } // namespace CameraStandard
84 } // namespace OHOS
85
86 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)87 extern "C" int LLVMFuzzerTestOneInput(uint8_t *data, size_t size)
88 {
89 /* Run your code on data */
90 OHOS::CameraStandard::CameraDeviceFuzzTest(data, size);
91 return 0;
92 }
93
94