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 "session_coordinator_fuzzer.h"
17 #include "camera_log.h"
18 #include "deferred_processing_service.h"
19 #include "image_info.h"
20 #include "message_parcel.h"
21 #include <cstddef>
22 #include <cstdint>
23 #include <memory>
24 #include "accesstoken_kit.h"
25 #include "camera_error_code.h"
26 #include "securec.h"
27 #include <fuzzer/FuzzedDataProvider.h>
28
29 namespace OHOS {
30 namespace CameraStandard {
31 static constexpr int32_t NUM_TRI = 13;
32 static constexpr int32_t MIN_SIZE_NUM = 20;
33 constexpr int VIDEO_REQUEST_FD_ID = 1;
34
35 std::shared_ptr<DeferredProcessing::SessionCoordinator> SessionCoordinatorFuzzer::fuzz_{nullptr};
36
SessionCoordinatorFuzzTest(FuzzedDataProvider & fdp)37 void SessionCoordinatorFuzzer::SessionCoordinatorFuzzTest(FuzzedDataProvider& fdp)
38 {
39 fuzz_ = std::make_shared<DeferredProcessing::SessionCoordinator>();
40 CHECK_RETURN_ELOG(!fuzz_, "Create fuzz_ Error");
41 fuzz_->Initialize();
42 int32_t userId = fdp.ConsumeIntegral<int32_t>();
43 uint8_t randomNum = fdp.ConsumeIntegral<int32_t>();
44 std::vector<std::string> testStrings = {"test1", "test2"};
45 std::string imageId(testStrings[randomNum % testStrings.size()]);
46 int32_t dataSize = fdp.ConsumeIntegralInRange<int32_t>(1, 10);
47 std::shared_ptr<DeferredProcessing::SharedBuffer> sharedBuffer =
48 std::make_shared<DeferredProcessing::SharedBuffer>(dataSize);
49 sharedBuffer->Initialize();
50 DeferredProcessing::DpsError dpsError =
51 static_cast<DeferredProcessing::DpsError>(fdp.ConsumeIntegral<int32_t>() % NUM_TRI);
52 sptr<IPCFileDescriptor> ipcFd = sptr<IPCFileDescriptor>::MakeSptr(VIDEO_REQUEST_FD_ID);
53 fuzz_->videoProcCallbacks_->OnProcessDone(userId, imageId, ipcFd);
54 fuzz_->videoProcCallbacks_->OnError(userId, imageId, dpsError);
55 std::vector<DeferredProcessing::DpsStatus> dpsStatusVec = {
56 DeferredProcessing::DPS_SESSION_STATE_IDLE,
57 DeferredProcessing::DPS_SESSION_STATE_RUNNABLE,
58 DeferredProcessing::DPS_SESSION_STATE_RUNNING,
59 DeferredProcessing::DPS_SESSION_STATE_SUSPENDED,
60 };
61 uint8_t arrcodeNum = randomNum % dpsStatusVec.size();
62 DeferredProcessing::DpsStatus dpsStatus = dpsStatusVec[arrcodeNum];
63 fuzz_->videoProcCallbacks_->OnStateChanged(userId, dpsStatus);
64 fuzz_->Start();
65 fuzz_->OnStateChanged(userId, dpsStatus);
66 fuzz_->OnVideoStateChanged(userId, dpsStatus);
67 fuzz_->GetVideoProcCallbacks();
68 fuzz_->OnVideoProcessDone(userId, imageId, ipcFd);
69 fuzz_->OnVideoError(userId, imageId, dpsError);
70 auto videoCallback = fuzz_->GetRemoteVideoCallback(userId);
71 fuzz_->ProcessVideoResults(videoCallback);
72 fuzz_->DeleteVideoSession(userId);
73 fuzz_->Stop();
74 }
75
Test(uint8_t * data,size_t size)76 void Test(uint8_t* data, size_t size)
77 {
78 FuzzedDataProvider fdp(data, size);
79 if (fdp.remaining_bytes() < MIN_SIZE_NUM) {
80 return;
81 }
82 auto sessionCoordinatorFuzz = std::make_unique<SessionCoordinatorFuzzer>();
83 if (sessionCoordinatorFuzz == nullptr) {
84 MEDIA_INFO_LOG("sessionCoordinatorFuzz is null");
85 return;
86 }
87 sessionCoordinatorFuzz->SessionCoordinatorFuzzTest(fdp);
88 }
89 } // namespace CameraStandard
90 } // namespace OHOS
91
92 /* Fuzzer entry point */
LLVMFuzzerTestOneInput(uint8_t * data,size_t size)93 extern "C" int LLVMFuzzerTestOneInput(uint8_t* data, size_t size)
94 {
95 OHOS::CameraStandard::Test(data, size);
96 return 0;
97 }