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Mathias Agopian65ab4712010-07-14 17:59:35 -07001/*
Ruben Brunkd1176ef2014-02-21 10:51:38 -08002 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
Mathias Agopian65ab4712010-07-14 17:59:35 -070016
17#define LOG_TAG "CameraService"
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -070018#define ATRACE_TAG ATRACE_TAG_CAMERA
Iliyan Malchev8951a972011-04-14 16:55:59 -070019//#define LOG_NDEBUG 0
Mathias Agopian65ab4712010-07-14 17:59:35 -070020
Ruben Brunkcc776712015-02-17 20:18:47 -080021#include <algorithm>
22#include <climits>
Mathias Agopian65ab4712010-07-14 17:59:35 -070023#include <stdio.h>
Shuzhen Wangabbcb6b2020-12-09 22:32:44 -080024#include <cstdlib>
Ruben Brunkcc776712015-02-17 20:18:47 -080025#include <cstring>
26#include <ctime>
27#include <string>
Mathias Agopian65ab4712010-07-14 17:59:35 -070028#include <sys/types.h>
Ruben Brunkcc776712015-02-17 20:18:47 -080029#include <inttypes.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070030#include <pthread.h>
Avichal Rakesh84147132021-11-11 17:47:11 -080031#include <poll.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070032
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -080033#include <android/hardware/ICamera.h>
34#include <android/hardware/ICameraClient.h>
35
Alex Deymo9c2a2c22016-08-25 11:59:14 -070036#include <android-base/macros.h>
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -080037#include <android-base/parseint.h>
Jayant Chowdharyb61526c2019-05-13 19:37:42 -070038#include <android-base/stringprintf.h>
Svet Ganova453d0d2018-01-11 15:37:58 -080039#include <binder/ActivityManager.h>
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -080040#include <binder/AppOpsManager.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070041#include <binder/IPCThreadState.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070042#include <binder/MemoryBase.h>
43#include <binder/MemoryHeapBase.h>
Svet Ganova453d0d2018-01-11 15:37:58 -080044#include <binder/PermissionController.h>
Svet Ganova453d0d2018-01-11 15:37:58 -080045#include <binder/IResultReceiver.h>
Steven Moreland89a2c5c2020-01-31 15:02:25 -080046#include <binderthreadstate/CallerUtils.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070047#include <cutils/atomic.h>
Nipun Kwatrab5ca4612010-09-11 19:31:10 -070048#include <cutils/properties.h>
Svet Ganova453d0d2018-01-11 15:37:58 -080049#include <cutils/misc.h>
Mathias Agopiandf712ea2012-02-25 18:48:35 -080050#include <gui/Surface.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070051#include <hardware/hardware.h>
Jayant Chowdharybe543d42018-08-15 13:16:14 -070052#include "hidl/HidlCameraService.h"
53#include <hidl/HidlTransportSupport.h>
Jayant Chowdharyf949ddd2019-01-29 14:34:11 -080054#include <hwbinder/IPCThreadState.h>
Eino-Ville Talvalad89821e2016-04-20 11:23:50 -070055#include <memunreachable/memunreachable.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070056#include <media/AudioSystem.h>
Andreas Huber1b86fe02014-01-29 11:13:26 -080057#include <media/IMediaHTTPService.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070058#include <media/mediaplayer.h>
Ruben Brunk99e69712015-05-26 17:25:07 -070059#include <mediautils/BatteryNotifier.h>
Steven Moreland886d7322021-04-02 04:19:45 +000060#include <processinfo/ProcessInfoService.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070061#include <utils/Errors.h>
62#include <utils/Log.h>
63#include <utils/String16.h>
Svet Ganov94ec46f2018-06-08 15:03:46 -070064#include <utils/SystemClock.h>
Ruben Brunkd1176ef2014-02-21 10:51:38 -080065#include <utils/Trace.h>
Jayant Chowdhary2bbdce42020-01-12 14:55:41 -080066#include <utils/CallStack.h>
Chien-Yu Chen98a668f2015-12-18 14:10:33 -080067#include <private/android_filesystem_config.h>
Ruben Brunkd1176ef2014-02-21 10:51:38 -080068#include <system/camera_vendor_tags.h>
Ruben Brunkb2119af2014-05-09 19:57:56 -070069#include <system/camera_metadata.h>
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -080070
Ruben Brunkb2119af2014-05-09 19:57:56 -070071#include <system/camera.h>
Mathias Agopian65ab4712010-07-14 17:59:35 -070072
73#include "CameraService.h"
Eino-Ville Talvala7b82efe2013-07-25 17:12:35 -070074#include "api1/Camera2Client.h"
Eino-Ville Talvala7b82efe2013-07-25 17:12:35 -070075#include "api2/CameraDeviceClient.h"
Igor Murashkinff3e31d2013-10-23 16:40:06 -070076#include "utils/CameraTraces.h"
Emilian Peevbd8c5032018-02-14 23:05:40 +000077#include "utils/TagMonitor.h"
Jayant Chowdhary12361932018-08-27 14:46:13 -070078#include "utils/CameraThreadState.h"
Shuzhen Wang316781a2020-08-18 18:11:01 -070079#include "utils/CameraServiceProxyWrapper.h"
Mathias Agopian65ab4712010-07-14 17:59:35 -070080
Yin-Chia Yeh0dea57f2015-12-09 16:46:07 -080081namespace {
82 const char* kPermissionServiceName = "permission";
83}; // namespace anonymous
84
Mathias Agopian65ab4712010-07-14 17:59:35 -070085namespace android {
86
Jayant Chowdharyb61526c2019-05-13 19:37:42 -070087using base::StringPrintf;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -080088using binder::Status;
Austin Borgerea931242021-12-13 23:10:41 +000089using namespace camera3;
Jayant Chowdharybe543d42018-08-15 13:16:14 -070090using frameworks::cameraservice::service::V2_0::implementation::HidlCameraService;
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -080091using hardware::ICamera;
92using hardware::ICameraClient;
93using hardware::ICameraServiceListener;
Cliff Wud8cae102021-03-11 01:37:42 +080094using hardware::camera2::ICameraInjectionCallback;
95using hardware::camera2::ICameraInjectionSession;
Jayant Chowdhary2bbdce42020-01-12 14:55:41 -080096using hardware::camera2::utils::CameraIdAndSessionConfiguration;
97using hardware::camera2::utils::ConcurrentCameraIdCombination;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -080098
Mathias Agopian65ab4712010-07-14 17:59:35 -070099// ----------------------------------------------------------------------------
100// Logging support -- this is for debugging only
101// Use "adb shell dumpsys media.camera -v 1" to change it.
Eino-Ville Talvala5e08d602012-05-16 14:59:25 -0700102volatile int32_t gLogLevel = 0;
Mathias Agopian65ab4712010-07-14 17:59:35 -0700103
Steve Blockb8a80522011-12-20 16:23:08 +0000104#define LOG1(...) ALOGD_IF(gLogLevel >= 1, __VA_ARGS__);
105#define LOG2(...) ALOGD_IF(gLogLevel >= 2, __VA_ARGS__);
Mathias Agopian65ab4712010-07-14 17:59:35 -0700106
107static void setLogLevel(int level) {
108 android_atomic_write(level, &gLogLevel);
109}
110
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800111// Convenience methods for constructing binder::Status objects for error returns
112
113#define STATUS_ERROR(errorCode, errorString) \
114 binder::Status::fromServiceSpecificError(errorCode, \
115 String8::format("%s:%d: %s", __FUNCTION__, __LINE__, errorString))
116
117#define STATUS_ERROR_FMT(errorCode, errorString, ...) \
118 binder::Status::fromServiceSpecificError(errorCode, \
119 String8::format("%s:%d: " errorString, __FUNCTION__, __LINE__, \
120 __VA_ARGS__))
121
Mathias Agopian65ab4712010-07-14 17:59:35 -0700122// ----------------------------------------------------------------------------
123
Jayant Chowdhary5216b212019-07-17 09:26:23 -0700124static const String16 sDumpPermission("android.permission.DUMP");
Svet Ganova453d0d2018-01-11 15:37:58 -0800125static const String16 sManageCameraPermission("android.permission.MANAGE_CAMERA");
Jayant Chowdhary5216b212019-07-17 09:26:23 -0700126static const String16 sCameraPermission("android.permission.CAMERA");
127static const String16 sSystemCameraPermission("android.permission.SYSTEM_CAMERA");
128static const String16
129 sCameraSendSystemEventsPermission("android.permission.CAMERA_SEND_SYSTEM_EVENTS");
Shuzhen Wang695044d2020-03-06 09:02:23 -0800130static const String16 sCameraOpenCloseListenerPermission(
131 "android.permission.CAMERA_OPEN_CLOSE_LISTENER");
Cliff Wud8cae102021-03-11 01:37:42 +0800132static const String16
133 sCameraInjectExternalCameraPermission("android.permission.CAMERA_INJECT_EXTERNAL_CAMERA");
Rucha Katakwardf223072021-06-15 10:21:00 -0700134const char *sFileName = "lastOpenSessionDumpFile";
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -0800135static constexpr int32_t kSystemNativeClientScore = resource_policy::PERCEPTIBLE_APP_ADJ;
136static constexpr int32_t kSystemNativeClientState =
137 ActivityManager::PROCESS_STATE_PERSISTENT_UI;
Eino-Ville Talvala7c602c32021-03-20 17:00:18 -0700138
Emilian Peevb2bc5a42019-11-20 16:02:14 -0800139const String8 CameraService::kOfflineDevice("offline-");
Avichal Rakesh7fbc3982021-10-20 04:35:03 -0700140const String16 CameraService::kWatchAllClientsFlag("all");
Jayant Chowdharyc578a502019-05-08 10:57:54 -0700141
Rucha Katakward9ea6452021-05-06 11:57:16 -0700142// Set to keep track of logged service error events.
143static std::set<String8> sServiceErrorEventSet;
144
Eino-Ville Talvala49c97052016-01-12 14:29:40 -0800145CameraService::CameraService() :
146 mEventLog(DEFAULT_EVENT_LOG_LENGTH),
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800147 mNumberOfCameras(0),
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700148 mNumberOfCamerasWithoutSystemCamera(0),
Yin-Chia Yehdba03232019-08-19 15:54:28 -0700149 mSoundRef(0), mInitialized(false),
150 mAudioRestriction(hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_NONE) {
Steve Blockdf64d152012-01-04 20:05:49 +0000151 ALOGI("CameraService started (pid=%d)", getpid());
Ruben Brunkcc776712015-02-17 20:18:47 -0800152 mServiceLockWrapper = std::make_shared<WaitableMutexWrapper>(&mServiceLock);
Rucha Katakwardf223072021-06-15 10:21:00 -0700153 mMemFd = memfd_create(sFileName, MFD_ALLOW_SEALING);
154 if (mMemFd == -1) {
155 ALOGE("%s: Error while creating the file: %s", __FUNCTION__, sFileName);
156 }
Mathias Agopian65ab4712010-07-14 17:59:35 -0700157}
158
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -0800159// The word 'System' here does not refer to clients only on the system
160// partition. They just need to have a android system uid.
161static bool doesClientHaveSystemUid() {
162 return (CameraThreadState::getCallingUid() < AID_APP_START);
163}
164
Iliyan Malchev8951a972011-04-14 16:55:59 -0700165void CameraService::onFirstRef()
166{
Jayant Chowdhary32ced0e2021-04-09 14:00:22 -0700167
Ruben Brunkcc776712015-02-17 20:18:47 -0800168 ALOGI("CameraService process starting");
Igor Murashkin634a5152013-02-20 17:15:11 -0800169
Iliyan Malchev8951a972011-04-14 16:55:59 -0700170 BnCameraService::onFirstRef();
171
Ruben Brunk99e69712015-05-26 17:25:07 -0700172 // Update battery life tracking if service is restarting
173 BatteryNotifier& notifier(BatteryNotifier::getInstance());
174 notifier.noteResetCamera();
175 notifier.noteResetFlashlight();
176
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800177 status_t res = INVALID_OPERATION;
Eino-Ville Talvala9cbbc832017-01-23 15:39:53 -0800178
Emilian Peevf53f66e2017-04-11 14:29:43 +0100179 res = enumerateProviders();
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800180 if (res == OK) {
181 mInitialized = true;
182 }
183
Svet Ganova453d0d2018-01-11 15:37:58 -0800184 mUidPolicy = new UidPolicy(this);
185 mUidPolicy->registerSelf();
Michael Grooverd1d435a2018-12-18 17:39:42 -0800186 mSensorPrivacyPolicy = new SensorPrivacyPolicy(this);
187 mSensorPrivacyPolicy->registerSelf();
Cliff Wud8cae102021-03-11 01:37:42 +0800188 mInjectionStatusListener = new InjectionStatusListener(this);
Yin-Chia Yehdba03232019-08-19 15:54:28 -0700189 mAppOps.setCameraAudioRestriction(mAudioRestriction);
Jayant Chowdharybe543d42018-08-15 13:16:14 -0700190 sp<HidlCameraService> hcs = HidlCameraService::getInstance(this);
191 if (hcs->registerAsService() != android::OK) {
192 ALOGE("%s: Failed to register default android.frameworks.cameraservice.service@1.0",
193 __FUNCTION__);
194 }
Shuzhen Wang24b44152019-09-20 10:38:11 -0700195
196 // This needs to be last call in this function, so that it's as close to
197 // ServiceManager::addService() as possible.
Shuzhen Wang316781a2020-08-18 18:11:01 -0700198 CameraServiceProxyWrapper::pingCameraServiceProxy();
Shuzhen Wang24b44152019-09-20 10:38:11 -0700199 ALOGI("CameraService pinged cameraservice proxy");
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800200}
201
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800202status_t CameraService::enumerateProviders() {
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800203 status_t res;
Emilian Peevaee727d2017-05-04 16:35:48 +0100204
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800205 std::vector<std::string> deviceIds;
Shuzhen Wang3d316f32022-10-25 20:33:34 +0000206 std::unordered_map<std::string, std::set<std::string>> unavailPhysicalIds;
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800207 {
208 Mutex::Autolock l(mServiceLock);
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800209
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800210 if (nullptr == mCameraProviderManager.get()) {
211 mCameraProviderManager = new CameraProviderManager();
212 res = mCameraProviderManager->initialize(this);
213 if (res != OK) {
214 ALOGE("%s: Unable to initialize camera provider manager: %s (%d)",
215 __FUNCTION__, strerror(-res), res);
Rucha Katakward9ea6452021-05-06 11:57:16 -0700216 logServiceError(String8::format("Unable to initialize camera provider manager"),
217 ERROR_DISCONNECTED);
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800218 return res;
Emilian Peevaee727d2017-05-04 16:35:48 +0100219 }
220 }
221
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800222
223 // Setup vendor tags before we call get_camera_info the first time
224 // because HAL might need to setup static vendor keys in get_camera_info
225 // TODO: maybe put this into CameraProviderManager::initialize()?
226 mCameraProviderManager->setUpVendorTags();
227
228 if (nullptr == mFlashlight.get()) {
229 mFlashlight = new CameraFlashlight(mCameraProviderManager, this);
Yin-Chia Yeh92e33212017-05-24 15:54:15 -0700230 }
231
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800232 res = mFlashlight->findFlashUnits();
233 if (res != OK) {
234 ALOGE("Failed to enumerate flash units: %s (%d)", strerror(-res), res);
235 }
236
Shuzhen Wang3d316f32022-10-25 20:33:34 +0000237 deviceIds = mCameraProviderManager->getCameraDeviceIds(&unavailPhysicalIds);
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800238 }
239
240
241 for (auto& cameraId : deviceIds) {
242 String8 id8 = String8(cameraId.c_str());
Shuzhen Wang6ba3f5e2018-11-20 10:04:08 -0800243 if (getCameraState(id8) == nullptr) {
244 onDeviceStatusChanged(id8, CameraDeviceStatus::PRESENT);
245 }
Shuzhen Wang3d316f32022-10-25 20:33:34 +0000246 if (unavailPhysicalIds.count(cameraId) > 0) {
247 for (const auto& physicalId : unavailPhysicalIds[cameraId]) {
248 String8 physicalId8 = String8(physicalId.c_str());
249 onDeviceStatusChanged(id8, physicalId8, CameraDeviceStatus::NOT_PRESENT);
250 }
251 }
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800252 }
253
Shuzhen Wangb38b53f2021-07-15 12:46:09 -0700254 // Derive primary rear/front cameras, and filter their charactierstics.
255 // This needs to be done after all cameras are enumerated and camera ids are sorted.
Shuzhen Wangd4abdf72021-05-28 11:22:50 -0700256 if (SessionConfigurationUtils::IS_PERF_CLASS) {
Shuzhen Wangb38b53f2021-07-15 12:46:09 -0700257 // Assume internal cameras are advertised from the same
258 // provider. If multiple providers are registered at different time,
259 // and each provider contains multiple internal color cameras, the current
260 // logic may filter the characteristics of more than one front/rear color
261 // cameras.
262 Mutex::Autolock l(mServiceLock);
263 filterSPerfClassCharacteristicsLocked();
Shuzhen Wangd4abdf72021-05-28 11:22:50 -0700264 }
Shuzhen Wang89db2992021-05-20 13:09:48 -0700265
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800266 return OK;
267}
268
Jayant Chowdhary8c62d892021-03-31 02:13:46 -0700269void CameraService::broadcastTorchModeStatus(const String8& cameraId, TorchModeStatus status,
270 SystemCameraKind systemCameraKind) {
Shuzhen Wang7d859d42018-11-06 15:33:23 -0800271 Mutex::Autolock lock(mStatusListenerLock);
Shuzhen Wang7d859d42018-11-06 15:33:23 -0800272 for (auto& i : mListenerList) {
Jayant Chowdhary8c62d892021-03-31 02:13:46 -0700273 if (shouldSkipStatusUpdates(systemCameraKind, i->isVendorListener(), i->getListenerPid(),
274 i->getListenerUid())) {
275 ALOGV("Skipping torch callback for system-only camera device %s",
276 cameraId.c_str());
277 continue;
278 }
Jayant Chowdhary5216b212019-07-17 09:26:23 -0700279 i->getListener()->onTorchStatusChanged(mapToInterface(status), String16{cameraId});
Shuzhen Wang7d859d42018-11-06 15:33:23 -0800280 }
281}
282
Mathias Agopian65ab4712010-07-14 17:59:35 -0700283CameraService::~CameraService() {
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800284 VendorTagDescriptor::clearGlobalVendorTagDescriptor();
Svet Ganova453d0d2018-01-11 15:37:58 -0800285 mUidPolicy->unregisterSelf();
Michael Grooverd1d435a2018-12-18 17:39:42 -0800286 mSensorPrivacyPolicy->unregisterSelf();
Cliff Wud8cae102021-03-11 01:37:42 +0800287 mInjectionStatusListener->removeListener();
Mathias Agopian65ab4712010-07-14 17:59:35 -0700288}
289
Emilian Peevaee727d2017-05-04 16:35:48 +0100290void CameraService::onNewProviderRegistered() {
291 enumerateProviders();
292}
293
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700294void CameraService::filterAPI1SystemCameraLocked(
295 const std::vector<std::string> &normalDeviceIds) {
296 mNormalDeviceIdsWithoutSystemCamera.clear();
297 for (auto &deviceId : normalDeviceIds) {
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -0700298 SystemCameraKind deviceKind = SystemCameraKind::PUBLIC;
299 if (getSystemCameraKind(String8(deviceId.c_str()), &deviceKind) != OK) {
300 ALOGE("%s: Invalid camera id %s, skipping", __FUNCTION__, deviceId.c_str());
301 continue;
302 }
303 if (deviceKind == SystemCameraKind::SYSTEM_ONLY_CAMERA) {
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700304 // All system camera ids will necessarily come after public camera
305 // device ids as per the HAL interface contract.
306 break;
307 }
308 mNormalDeviceIdsWithoutSystemCamera.push_back(deviceId);
309 }
310 ALOGV("%s: number of API1 compatible public cameras is %zu", __FUNCTION__,
311 mNormalDeviceIdsWithoutSystemCamera.size());
312}
313
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -0700314status_t CameraService::getSystemCameraKind(const String8& cameraId, SystemCameraKind *kind) const {
315 auto state = getCameraState(cameraId);
316 if (state != nullptr) {
317 *kind = state->getSystemCameraKind();
318 return OK;
319 }
320 // Hidden physical camera ids won't have CameraState
321 return mCameraProviderManager->getSystemCameraKind(cameraId.c_str(), kind);
322}
323
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800324void CameraService::updateCameraNumAndIds() {
325 Mutex::Autolock l(mServiceLock);
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700326 std::pair<int, int> systemAndNonSystemCameras = mCameraProviderManager->getCameraCount();
327 // Excludes hidden secure cameras
328 mNumberOfCameras =
329 systemAndNonSystemCameras.first + systemAndNonSystemCameras.second;
330 mNumberOfCamerasWithoutSystemCamera = systemAndNonSystemCameras.second;
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800331 mNormalDeviceIds =
332 mCameraProviderManager->getAPI1CompatibleCameraDeviceIds();
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700333 filterAPI1SystemCameraLocked(mNormalDeviceIds);
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800334}
335
Shuzhen Wangb38b53f2021-07-15 12:46:09 -0700336void CameraService::filterSPerfClassCharacteristicsLocked() {
Shuzhen Wang89db2992021-05-20 13:09:48 -0700337 // To claim to be S Performance primary cameras, the cameras must be
338 // backward compatible. So performance class primary camera Ids must be API1
339 // compatible.
340 bool firstRearCameraSeen = false, firstFrontCameraSeen = false;
341 for (const auto& cameraId : mNormalDeviceIdsWithoutSystemCamera) {
342 int facing = -1;
343 int orientation = 0;
344 String8 cameraId8(cameraId.c_str());
Shuzhen Wangf221e8d2022-12-15 13:26:29 -0800345 int portraitRotation;
346 getDeviceVersion(cameraId8, /*overrideToPortrait*/false, /*out*/&portraitRotation,
347 /*out*/&facing, /*out*/&orientation);
Shuzhen Wang89db2992021-05-20 13:09:48 -0700348 if (facing == -1) {
349 ALOGE("%s: Unable to get camera device \"%s\" facing", __FUNCTION__, cameraId.c_str());
350 return;
351 }
352
353 if ((facing == hardware::CAMERA_FACING_BACK && !firstRearCameraSeen) ||
354 (facing == hardware::CAMERA_FACING_FRONT && !firstFrontCameraSeen)) {
Shuzhen Wangd4abdf72021-05-28 11:22:50 -0700355 status_t res = mCameraProviderManager->filterSmallJpegSizes(cameraId);
356 if (res == OK) {
357 mPerfClassPrimaryCameraIds.insert(cameraId);
358 } else {
359 ALOGE("%s: Failed to filter small JPEG sizes for performance class primary "
360 "camera %s: %s(%d)", __FUNCTION__, cameraId.c_str(), strerror(-res), res);
361 break;
362 }
Shuzhen Wang89db2992021-05-20 13:09:48 -0700363
364 if (facing == hardware::CAMERA_FACING_BACK) {
365 firstRearCameraSeen = true;
366 }
367 if (facing == hardware::CAMERA_FACING_FRONT) {
368 firstFrontCameraSeen = true;
369 }
370 }
371
372 if (firstRearCameraSeen && firstFrontCameraSeen) {
373 break;
374 }
375 }
376}
377
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +0100378void CameraService::addStates(const String8 id) {
379 std::string cameraId(id.c_str());
Jayant Chowdhary0bd38522021-11-05 17:49:27 -0700380 CameraResourceCost cost;
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +0100381 status_t res = mCameraProviderManager->getResourceCost(cameraId, &cost);
382 if (res != OK) {
383 ALOGE("Failed to query device resource cost: %s (%d)", strerror(-res), res);
384 return;
385 }
Shuzhen Wang403af6d2021-12-21 00:08:43 +0000386 SystemCameraKind deviceKind = SystemCameraKind::PUBLIC;
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -0700387 res = mCameraProviderManager->getSystemCameraKind(cameraId, &deviceKind);
388 if (res != OK) {
389 ALOGE("Failed to query device kind: %s (%d)", strerror(-res), res);
390 return;
391 }
Shuzhen Wang403af6d2021-12-21 00:08:43 +0000392 std::vector<std::string> physicalCameraIds;
393 mCameraProviderManager->isLogicalCamera(cameraId, &physicalCameraIds);
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +0100394 std::set<String8> conflicting;
395 for (size_t i = 0; i < cost.conflictingDevices.size(); i++) {
396 conflicting.emplace(String8(cost.conflictingDevices[i].c_str()));
397 }
398
399 {
400 Mutex::Autolock lock(mCameraStatesLock);
401 mCameraStates.emplace(id, std::make_shared<CameraState>(id, cost.resourceCost,
Shuzhen Wang403af6d2021-12-21 00:08:43 +0000402 conflicting, deviceKind, physicalCameraIds));
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +0100403 }
404
405 if (mFlashlight->hasFlashUnit(id)) {
Emilian Peev7f25e5f2018-04-11 16:50:34 +0100406 Mutex::Autolock al(mTorchStatusMutex);
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +0100407 mTorchStatusMap.add(id, TorchModeStatus::AVAILABLE_OFF);
Shuzhen Wang7d859d42018-11-06 15:33:23 -0800408
Jayant Chowdhary8c62d892021-03-31 02:13:46 -0700409 broadcastTorchModeStatus(id, TorchModeStatus::AVAILABLE_OFF, deviceKind);
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +0100410 }
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800411
412 updateCameraNumAndIds();
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +0100413 logDeviceAdded(id, "Device added");
414}
415
Guennadi Liakhovetski6034bf52017-12-07 10:28:29 +0100416void CameraService::removeStates(const String8 id) {
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800417 updateCameraNumAndIds();
Guennadi Liakhovetski6034bf52017-12-07 10:28:29 +0100418 if (mFlashlight->hasFlashUnit(id)) {
Emilian Peev7f25e5f2018-04-11 16:50:34 +0100419 Mutex::Autolock al(mTorchStatusMutex);
Guennadi Liakhovetski6034bf52017-12-07 10:28:29 +0100420 mTorchStatusMap.removeItem(id);
421 }
422
423 {
424 Mutex::Autolock lock(mCameraStatesLock);
425 mCameraStates.erase(id);
426 }
427}
428
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800429void CameraService::onDeviceStatusChanged(const String8& id,
430 CameraDeviceStatus newHalStatus) {
431 ALOGI("%s: Status changed for cameraId=%s, newStatus=%d", __FUNCTION__,
432 id.string(), newHalStatus);
Igor Murashkincba2c162013-03-20 15:56:31 -0700433
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800434 StatusInternal newStatus = mapToInternal(newHalStatus);
435
Ruben Brunkcc776712015-02-17 20:18:47 -0800436 std::shared_ptr<CameraState> state = getCameraState(id);
437
438 if (state == nullptr) {
Yin-Chia Yeh92e33212017-05-24 15:54:15 -0700439 if (newStatus == StatusInternal::PRESENT) {
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +0100440 ALOGI("%s: Unknown camera ID %s, a new camera is added",
Yin-Chia Yeh92e33212017-05-24 15:54:15 -0700441 __FUNCTION__, id.string());
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +0100442
443 // First add as absent to make sure clients are notified below
444 addStates(id);
445
446 updateStatus(newStatus, id);
Yin-Chia Yeh92e33212017-05-24 15:54:15 -0700447 } else {
448 ALOGE("%s: Bad camera ID %s", __FUNCTION__, id.string());
449 }
Igor Murashkincba2c162013-03-20 15:56:31 -0700450 return;
451 }
452
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800453 StatusInternal oldStatus = state->getStatus();
Ruben Brunkcc776712015-02-17 20:18:47 -0800454
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800455 if (oldStatus == newStatus) {
Ruben Brunkcc776712015-02-17 20:18:47 -0800456 ALOGE("%s: State transition to the same status %#x not allowed", __FUNCTION__, newStatus);
Igor Murashkincba2c162013-03-20 15:56:31 -0700457 return;
458 }
459
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800460 if (newStatus == StatusInternal::NOT_PRESENT) {
Ruben Brunka8ca9152015-04-07 14:23:40 -0700461 logDeviceRemoved(id, String8::format("Device status changed from %d to %d", oldStatus,
462 newStatus));
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800463
464 // Set the device status to NOT_PRESENT, clients will no longer be able to connect
465 // to this device until the status changes
466 updateStatus(StatusInternal::NOT_PRESENT, id);
467
Emilian Peevb2bc5a42019-11-20 16:02:14 -0800468 sp<BasicClient> clientToDisconnectOnline, clientToDisconnectOffline;
Igor Murashkincba2c162013-03-20 15:56:31 -0700469 {
Ruben Brunkcc776712015-02-17 20:18:47 -0800470 // Don't do this in updateStatus to avoid deadlock over mServiceLock
471 Mutex::Autolock lock(mServiceLock);
Igor Murashkincba2c162013-03-20 15:56:31 -0700472
Ruben Brunkcc776712015-02-17 20:18:47 -0800473 // Remove cached shim parameters
474 state->setShimParams(CameraParameters());
Igor Murashkincba2c162013-03-20 15:56:31 -0700475
Emilian Peevb2bc5a42019-11-20 16:02:14 -0800476 // Remove online as well as offline client from the list of active clients,
477 // if they are present
478 clientToDisconnectOnline = removeClientLocked(id);
479 clientToDisconnectOffline = removeClientLocked(kOfflineDevice + id);
Eino-Ville Talvala8d942f92017-03-13 10:09:51 -0700480 }
Ruben Brunkcc776712015-02-17 20:18:47 -0800481
Emilian Peevb2bc5a42019-11-20 16:02:14 -0800482 disconnectClient(id, clientToDisconnectOnline);
483 disconnectClient(kOfflineDevice + id, clientToDisconnectOffline);
Igor Murashkincba2c162013-03-20 15:56:31 -0700484
Guennadi Liakhovetski6034bf52017-12-07 10:28:29 +0100485 removeStates(id);
Ruben Brunkcc776712015-02-17 20:18:47 -0800486 } else {
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800487 if (oldStatus == StatusInternal::NOT_PRESENT) {
Ruben Brunka8ca9152015-04-07 14:23:40 -0700488 logDeviceAdded(id, String8::format("Device status changed from %d to %d", oldStatus,
489 newStatus));
490 }
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800491 updateStatus(newStatus, id);
Igor Murashkincba2c162013-03-20 15:56:31 -0700492 }
Shuzhen Wang43858162020-01-10 13:42:15 -0800493}
Igor Murashkincba2c162013-03-20 15:56:31 -0700494
Shuzhen Wang43858162020-01-10 13:42:15 -0800495void CameraService::onDeviceStatusChanged(const String8& id,
496 const String8& physicalId,
497 CameraDeviceStatus newHalStatus) {
498 ALOGI("%s: Status changed for cameraId=%s, physicalCameraId=%s, newStatus=%d",
499 __FUNCTION__, id.string(), physicalId.string(), newHalStatus);
500
501 StatusInternal newStatus = mapToInternal(newHalStatus);
502
503 std::shared_ptr<CameraState> state = getCameraState(id);
504
505 if (state == nullptr) {
506 ALOGE("%s: Physical camera id %s status change on a non-present ID %s",
Shuzhen Wang3d316f32022-10-25 20:33:34 +0000507 __FUNCTION__, physicalId.string(), id.string());
Shuzhen Wang43858162020-01-10 13:42:15 -0800508 return;
509 }
510
511 StatusInternal logicalCameraStatus = state->getStatus();
512 if (logicalCameraStatus != StatusInternal::PRESENT &&
513 logicalCameraStatus != StatusInternal::NOT_AVAILABLE) {
514 ALOGE("%s: Physical camera id %s status %d change for an invalid logical camera state %d",
515 __FUNCTION__, physicalId.string(), newHalStatus, logicalCameraStatus);
516 return;
517 }
518
519 bool updated = false;
520 if (newStatus == StatusInternal::PRESENT) {
521 updated = state->removeUnavailablePhysicalId(physicalId);
522 } else {
523 updated = state->addUnavailablePhysicalId(physicalId);
524 }
525
526 if (updated) {
Shuzhen Wang4fa28d22020-01-23 15:57:25 -0800527 String8 idCombo = id + " : " + physicalId;
528 if (newStatus == StatusInternal::PRESENT) {
529 logDeviceAdded(idCombo,
530 String8::format("Device status changed to %d", newStatus));
531 } else {
532 logDeviceRemoved(idCombo,
533 String8::format("Device status changed to %d", newStatus));
534 }
Jayant Chowdharyd1478ce2020-05-07 17:35:23 -0700535 // Avoid calling getSystemCameraKind() with mStatusListenerLock held (b/141756275)
536 SystemCameraKind deviceKind = SystemCameraKind::PUBLIC;
537 if (getSystemCameraKind(id, &deviceKind) != OK) {
538 ALOGE("%s: Invalid camera id %s, skipping", __FUNCTION__, id.string());
539 return;
540 }
Shuzhen Wang43858162020-01-10 13:42:15 -0800541 String16 id16(id), physicalId16(physicalId);
542 Mutex::Autolock lock(mStatusListenerLock);
543 for (auto& listener : mListenerList) {
Jayant Chowdharyd1478ce2020-05-07 17:35:23 -0700544 if (shouldSkipStatusUpdates(deviceKind, listener->isVendorListener(),
545 listener->getListenerPid(), listener->getListenerUid())) {
546 ALOGV("Skipping discovery callback for system-only camera device %s",
547 id.c_str());
548 continue;
549 }
Shuzhen Wang43858162020-01-10 13:42:15 -0800550 listener->getListener()->onPhysicalCameraStatusChanged(mapToInterface(newStatus),
551 id16, physicalId16);
552 }
553 }
Igor Murashkincba2c162013-03-20 15:56:31 -0700554}
555
Emilian Peevb2bc5a42019-11-20 16:02:14 -0800556void CameraService::disconnectClient(const String8& id, sp<BasicClient> clientToDisconnect) {
557 if (clientToDisconnect.get() != nullptr) {
558 ALOGI("%s: Client for camera ID %s evicted due to device status change from HAL",
559 __FUNCTION__, id.string());
560 // Notify the client of disconnection
561 clientToDisconnect->notifyError(
562 hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED,
563 CaptureResultExtras{});
Emilian Peevb2bc5a42019-11-20 16:02:14 -0800564 clientToDisconnect->disconnect();
565 }
566}
567
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800568void CameraService::onTorchStatusChanged(const String8& cameraId,
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800569 TorchModeStatus newStatus) {
Jayant Chowdhary8c62d892021-03-31 02:13:46 -0700570 SystemCameraKind systemCameraKind = SystemCameraKind::PUBLIC;
571 status_t res = getSystemCameraKind(cameraId, &systemCameraKind);
572 if (res != OK) {
573 ALOGE("%s: Could not get system camera kind for camera id %s", __FUNCTION__,
574 cameraId.string());
575 return;
576 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800577 Mutex::Autolock al(mTorchStatusMutex);
Jayant Chowdhary8c62d892021-03-31 02:13:46 -0700578 onTorchStatusChangedLocked(cameraId, newStatus, systemCameraKind);
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800579}
580
Jayant Chowdhary46ef0f52021-10-05 14:36:13 -0700581
582void CameraService::onTorchStatusChanged(const String8& cameraId,
583 TorchModeStatus newStatus, SystemCameraKind systemCameraKind) {
584 Mutex::Autolock al(mTorchStatusMutex);
585 onTorchStatusChangedLocked(cameraId, newStatus, systemCameraKind);
586}
587
Rucha Katakwar38284522021-11-10 11:25:21 -0800588void CameraService::broadcastTorchStrengthLevel(const String8& cameraId,
589 int32_t newStrengthLevel) {
590 Mutex::Autolock lock(mStatusListenerLock);
591 for (auto& i : mListenerList) {
592 i->getListener()->onTorchStrengthLevelChanged(String16{cameraId},
593 newStrengthLevel);
594 }
595}
596
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800597void CameraService::onTorchStatusChangedLocked(const String8& cameraId,
Jayant Chowdhary8c62d892021-03-31 02:13:46 -0700598 TorchModeStatus newStatus, SystemCameraKind systemCameraKind) {
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800599 ALOGI("%s: Torch status changed for cameraId=%s, newStatus=%d",
600 __FUNCTION__, cameraId.string(), newStatus);
601
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800602 TorchModeStatus status;
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800603 status_t res = getTorchStatusLocked(cameraId, &status);
604 if (res) {
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -0700605 ALOGE("%s: cannot get torch status of camera %s: %s (%d)",
606 __FUNCTION__, cameraId.string(), strerror(-res), res);
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800607 return;
608 }
609 if (status == newStatus) {
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800610 return;
611 }
612
Chien-Yu Chen88da5262015-02-17 13:56:46 -0800613 res = setTorchStatusLocked(cameraId, newStatus);
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800614 if (res) {
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -0800615 ALOGE("%s: Failed to set the torch status to %d: %s (%d)", __FUNCTION__,
616 (uint32_t)newStatus, strerror(-res), res);
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800617 return;
618 }
619
Ruben Brunkcc776712015-02-17 20:18:47 -0800620 {
Ruben Brunk99e69712015-05-26 17:25:07 -0700621 // Update battery life logging for flashlight
Chien-Yu Chenfe751be2015-09-01 14:16:44 -0700622 Mutex::Autolock al(mTorchUidMapMutex);
Ruben Brunk99e69712015-05-26 17:25:07 -0700623 auto iter = mTorchUidMap.find(cameraId);
624 if (iter != mTorchUidMap.end()) {
625 int oldUid = iter->second.second;
626 int newUid = iter->second.first;
627 BatteryNotifier& notifier(BatteryNotifier::getInstance());
628 if (oldUid != newUid) {
629 // If the UID has changed, log the status and update current UID in mTorchUidMap
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800630 if (status == TorchModeStatus::AVAILABLE_ON) {
Ruben Brunk99e69712015-05-26 17:25:07 -0700631 notifier.noteFlashlightOff(cameraId, oldUid);
632 }
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800633 if (newStatus == TorchModeStatus::AVAILABLE_ON) {
Ruben Brunk99e69712015-05-26 17:25:07 -0700634 notifier.noteFlashlightOn(cameraId, newUid);
635 }
636 iter->second.second = newUid;
637 } else {
638 // If the UID has not changed, log the status
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800639 if (newStatus == TorchModeStatus::AVAILABLE_ON) {
Ruben Brunk99e69712015-05-26 17:25:07 -0700640 notifier.noteFlashlightOn(cameraId, oldUid);
641 } else {
642 notifier.noteFlashlightOff(cameraId, oldUid);
643 }
644 }
645 }
646 }
Jayant Chowdhary8c62d892021-03-31 02:13:46 -0700647 broadcastTorchModeStatus(cameraId, newStatus, systemCameraKind);
Chien-Yu Chen3068d732015-02-09 13:29:57 -0800648}
649
Jayant Chowdharyc3198c32021-07-28 20:59:14 +0000650static bool hasPermissionsForSystemCamera(int callingPid, int callingUid,
651 bool logPermissionFailure = false) {
652 return checkPermission(sSystemCameraPermission, callingPid, callingUid,
653 logPermissionFailure) &&
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700654 checkPermission(sCameraPermission, callingPid, callingUid);
655}
656
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800657Status CameraService::getNumberOfCameras(int32_t type, int32_t* numCameras) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700658 ATRACE_CALL();
Emilian Peevaee727d2017-05-04 16:35:48 +0100659 Mutex::Autolock l(mServiceLock);
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700660 bool hasSystemCameraPermissions =
661 hasPermissionsForSystemCamera(CameraThreadState::getCallingPid(),
662 CameraThreadState::getCallingUid());
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700663 switch (type) {
664 case CAMERA_TYPE_BACKWARD_COMPATIBLE:
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700665 if (hasSystemCameraPermissions) {
666 *numCameras = static_cast<int>(mNormalDeviceIds.size());
667 } else {
668 *numCameras = static_cast<int>(mNormalDeviceIdsWithoutSystemCamera.size());
669 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800670 break;
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700671 case CAMERA_TYPE_ALL:
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700672 if (hasSystemCameraPermissions) {
673 *numCameras = mNumberOfCameras;
674 } else {
675 *numCameras = mNumberOfCamerasWithoutSystemCamera;
676 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800677 break;
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700678 default:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800679 ALOGW("%s: Unknown camera type %d",
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700680 __FUNCTION__, type);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800681 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
682 "Unknown camera type %d", type);
Eino-Ville Talvalabad43582015-08-14 13:12:32 -0700683 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800684 return Status::ok();
Mathias Agopian65ab4712010-07-14 17:59:35 -0700685}
686
Austin Borger3560b7e2022-10-27 12:20:29 -0700687Status CameraService::getCameraInfo(int cameraId, bool overrideToPortrait,
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800688 CameraInfo* cameraInfo) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700689 ATRACE_CALL();
Emilian Peevaee727d2017-05-04 16:35:48 +0100690 Mutex::Autolock l(mServiceLock);
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700691 std::string cameraIdStr = cameraIdIntToStrLocked(cameraId);
692 if (shouldRejectSystemCameraConnection(String8(cameraIdStr.c_str()))) {
693 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION, "Unable to retrieve camera"
694 "characteristics for system only device %s: ", cameraIdStr.c_str());
695 }
Emilian Peevaee727d2017-05-04 16:35:48 +0100696
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800697 if (!mInitialized) {
Rucha Katakward9ea6452021-05-06 11:57:16 -0700698 logServiceError(String8::format("Camera subsystem is not available"),ERROR_DISCONNECTED);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800699 return STATUS_ERROR(ERROR_DISCONNECTED,
700 "Camera subsystem is not available");
Iliyan Malchev8951a972011-04-14 16:55:59 -0700701 }
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700702 bool hasSystemCameraPermissions =
703 hasPermissionsForSystemCamera(CameraThreadState::getCallingPid(),
704 CameraThreadState::getCallingUid());
705 int cameraIdBound = mNumberOfCamerasWithoutSystemCamera;
706 if (hasSystemCameraPermissions) {
707 cameraIdBound = mNumberOfCameras;
708 }
709 if (cameraId < 0 || cameraId >= cameraIdBound) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800710 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT,
711 "CameraId is not valid");
Mathias Agopian65ab4712010-07-14 17:59:35 -0700712 }
713
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800714 Status ret = Status::ok();
Austin Borger3560b7e2022-10-27 12:20:29 -0700715 int portraitRotation;
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800716 status_t err = mCameraProviderManager->getCameraInfo(
Austin Borger3560b7e2022-10-27 12:20:29 -0700717 cameraIdStr.c_str(), overrideToPortrait, &portraitRotation, cameraInfo);
Emilian Peevf53f66e2017-04-11 14:29:43 +0100718 if (err != OK) {
719 ret = STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
720 "Error retrieving camera info from device %d: %s (%d)", cameraId,
721 strerror(-err), err);
Rucha Katakward9ea6452021-05-06 11:57:16 -0700722 logServiceError(String8::format("Error retrieving camera info from device %d",cameraId),
723 ERROR_INVALID_OPERATION);
Ruben Brunkcc776712015-02-17 20:18:47 -0800724 }
Emilian Peevf53f66e2017-04-11 14:29:43 +0100725
Ruben Brunkcc776712015-02-17 20:18:47 -0800726 return ret;
727}
Ruben Brunkb2119af2014-05-09 19:57:56 -0700728
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800729std::string CameraService::cameraIdIntToStrLocked(int cameraIdInt) {
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700730 const std::vector<std::string> *deviceIds = &mNormalDeviceIdsWithoutSystemCamera;
731 auto callingPid = CameraThreadState::getCallingPid();
732 auto callingUid = CameraThreadState::getCallingUid();
Jayant Chowdharyc3198c32021-07-28 20:59:14 +0000733 if (checkPermission(sSystemCameraPermission, callingPid, callingUid,
734 /*logPermissionFailure*/false) || getpid() == callingPid) {
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700735 deviceIds = &mNormalDeviceIds;
736 }
737 if (cameraIdInt < 0 || cameraIdInt >= static_cast<int>(deviceIds->size())) {
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800738 ALOGE("%s: input id %d invalid: valid range (0, %zu)",
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700739 __FUNCTION__, cameraIdInt, deviceIds->size());
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800740 return std::string{};
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800741 }
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800742
Jayant Chowdhary847947d2019-08-30 18:02:59 -0700743 return (*deviceIds)[cameraIdInt];
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -0800744}
745
746String8 CameraService::cameraIdIntToStr(int cameraIdInt) {
747 Mutex::Autolock lock(mServiceLock);
748 return String8(cameraIdIntToStrLocked(cameraIdInt).c_str());
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800749}
750
751Status CameraService::getCameraCharacteristics(const String16& cameraId,
Austin Borger3560b7e2022-10-27 12:20:29 -0700752 int targetSdkVersion, bool overrideToPortrait, CameraMetadata* cameraInfo) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700753 ATRACE_CALL();
Zhijun He2b59be82013-09-25 10:14:30 -0700754 if (!cameraInfo) {
755 ALOGE("%s: cameraInfo is NULL", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800756 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "cameraInfo is NULL");
Zhijun He2b59be82013-09-25 10:14:30 -0700757 }
758
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800759 if (!mInitialized) {
760 ALOGE("%s: Camera HAL couldn't be initialized", __FUNCTION__);
Rucha Katakward9ea6452021-05-06 11:57:16 -0700761 logServiceError(String8::format("Camera subsystem is not available"),ERROR_DISCONNECTED);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800762 return STATUS_ERROR(ERROR_DISCONNECTED,
763 "Camera subsystem is not available");;
Zhijun He2b59be82013-09-25 10:14:30 -0700764 }
765
Jayant Chowdhary5216b212019-07-17 09:26:23 -0700766 if (shouldRejectSystemCameraConnection(String8(cameraId))) {
767 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION, "Unable to retrieve camera"
768 "characteristics for system only device %s: ", String8(cameraId).string());
769 }
770
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800771 Status ret{};
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800772
Shuzhen Wangd4abdf72021-05-28 11:22:50 -0700773
774 std::string cameraIdStr = String8(cameraId).string();
775 bool overrideForPerfClass =
776 SessionConfigurationUtils::targetPerfClassPrimaryCamera(mPerfClassPrimaryCameraIds,
777 cameraIdStr, targetSdkVersion);
Emilian Peevf53f66e2017-04-11 14:29:43 +0100778 status_t res = mCameraProviderManager->getCameraCharacteristics(
Austin Borger3560b7e2022-10-27 12:20:29 -0700779 cameraIdStr, overrideForPerfClass, cameraInfo, overrideToPortrait);
Emilian Peevf53f66e2017-04-11 14:29:43 +0100780 if (res != OK) {
Eino-Ville Talvalaa976df82019-06-13 18:01:58 -0700781 if (res == NAME_NOT_FOUND) {
782 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT, "Unable to retrieve camera "
783 "characteristics for unknown device %s: %s (%d)", String8(cameraId).string(),
784 strerror(-res), res);
785 } else {
Rucha Katakward9ea6452021-05-06 11:57:16 -0700786 logServiceError(String8::format("Unable to retrieve camera characteristics for "
787 "device %s.", String8(cameraId).string()),ERROR_INVALID_OPERATION);
Eino-Ville Talvalaa976df82019-06-13 18:01:58 -0700788 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION, "Unable to retrieve camera "
789 "characteristics for device %s: %s (%d)", String8(cameraId).string(),
790 strerror(-res), res);
791 }
Ruben Brunkb2119af2014-05-09 19:57:56 -0700792 }
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -0700793 SystemCameraKind deviceKind = SystemCameraKind::PUBLIC;
794 if (getSystemCameraKind(String8(cameraId), &deviceKind) != OK) {
795 ALOGE("%s: Invalid camera id %s, skipping", __FUNCTION__, String8(cameraId).string());
796 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION, "Unable to retrieve camera kind "
797 "for device %s", String8(cameraId).string());
798 }
Jayant Chowdhary12361932018-08-27 14:46:13 -0700799 int callingPid = CameraThreadState::getCallingPid();
800 int callingUid = CameraThreadState::getCallingUid();
Emilian Peeve20c6372018-08-14 18:45:53 +0100801 std::vector<int32_t> tagsRemoved;
Jayant Chowdhary5216b212019-07-17 09:26:23 -0700802 // If it's not calling from cameraserver, check the permission only if
803 // android.permission.CAMERA is required. If android.permission.SYSTEM_CAMERA was needed,
804 // it would've already been checked in shouldRejectSystemCameraConnection.
Emilian Peeve20c6372018-08-14 18:45:53 +0100805 if ((callingPid != getpid()) &&
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -0700806 (deviceKind != SystemCameraKind::SYSTEM_ONLY_CAMERA) &&
Jayant Chowdhary5216b212019-07-17 09:26:23 -0700807 !checkPermission(sCameraPermission, callingPid, callingUid)) {
Emilian Peeve20c6372018-08-14 18:45:53 +0100808 res = cameraInfo->removePermissionEntries(
809 mCameraProviderManager->getProviderTagIdLocked(String8(cameraId).string()),
810 &tagsRemoved);
811 if (res != OK) {
812 cameraInfo->clear();
813 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION, "Failed to remove camera"
814 " characteristics needing camera permission for device %s: %s (%d)",
815 String8(cameraId).string(), strerror(-res), res);
816 }
817 }
818
819 if (!tagsRemoved.empty()) {
820 res = cameraInfo->update(ANDROID_REQUEST_CHARACTERISTIC_KEYS_NEEDING_PERMISSION,
821 tagsRemoved.data(), tagsRemoved.size());
822 if (res != OK) {
823 cameraInfo->clear();
824 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION, "Failed to insert camera "
825 "keys needing permission for device %s: %s (%d)", String8(cameraId).string(),
826 strerror(-res), res);
827 }
828 }
829
Zhijun He2b59be82013-09-25 10:14:30 -0700830 return ret;
831}
832
Rucha Katakwar38284522021-11-10 11:25:21 -0800833Status CameraService::getTorchStrengthLevel(const String16& cameraId,
834 int32_t* torchStrength) {
835 ATRACE_CALL();
836 Mutex::Autolock l(mServiceLock);
837 if (!mInitialized) {
838 ALOGE("%s: Camera HAL couldn't be initialized.", __FUNCTION__);
839 return STATUS_ERROR(ERROR_DISCONNECTED, "Camera HAL couldn't be initialized.");
840 }
841
842 if(torchStrength == NULL) {
843 ALOGE("%s: strength level must not be null.", __FUNCTION__);
844 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Strength level should not be null.");
845 }
846
847 status_t res = mCameraProviderManager->getTorchStrengthLevel(String8(cameraId).string(),
848 torchStrength);
849 if (res != OK) {
850 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION, "Unable to retrieve torch "
851 "strength level for device %s: %s (%d)", String8(cameraId).string(),
852 strerror(-res), res);
853 }
854 ALOGI("%s: Torch strength level is: %d", __FUNCTION__, *torchStrength);
855 return Status::ok();
856}
857
Ruben Brunkcc776712015-02-17 20:18:47 -0800858String8 CameraService::getFormattedCurrentTime() {
859 time_t now = time(nullptr);
860 char formattedTime[64];
861 strftime(formattedTime, sizeof(formattedTime), "%m-%d %H:%M:%S", localtime(&now));
862 return String8(formattedTime);
863}
864
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800865Status CameraService::getCameraVendorTagDescriptor(
866 /*out*/
867 hardware::camera2::params::VendorTagDescriptor* desc) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700868 ATRACE_CALL();
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800869 if (!mInitialized) {
870 ALOGE("%s: Camera HAL couldn't be initialized", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800871 return STATUS_ERROR(ERROR_DISCONNECTED, "Camera subsystem not available");
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800872 }
Eino-Ville Talvala1e74e242016-03-03 11:24:28 -0800873 sp<VendorTagDescriptor> globalDescriptor = VendorTagDescriptor::getGlobalVendorTagDescriptor();
874 if (globalDescriptor != nullptr) {
875 *desc = *(globalDescriptor.get());
876 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800877 return Status::ok();
Ruben Brunkd1176ef2014-02-21 10:51:38 -0800878}
879
Emilian Peev71c73a22017-03-21 16:35:51 +0000880Status CameraService::getCameraVendorTagCache(
881 /*out*/ hardware::camera2::params::VendorTagDescriptorCache* cache) {
882 ATRACE_CALL();
883 if (!mInitialized) {
884 ALOGE("%s: Camera HAL couldn't be initialized", __FUNCTION__);
885 return STATUS_ERROR(ERROR_DISCONNECTED,
886 "Camera subsystem not available");
887 }
888 sp<VendorTagDescriptorCache> globalCache =
889 VendorTagDescriptorCache::getGlobalVendorTagCache();
890 if (globalCache != nullptr) {
891 *cache = *(globalCache.get());
892 }
893 return Status::ok();
894}
895
Jayant Chowdhary32ced0e2021-04-09 14:00:22 -0700896void CameraService::clearCachedVariables() {
897 BasicClient::BasicClient::sCameraService = nullptr;
898}
899
Austin Borger3560b7e2022-10-27 12:20:29 -0700900std::pair<int, IPCTransport> CameraService::getDeviceVersion(const String8& cameraId,
901 bool overrideToPortrait, int* portraitRotation, int* facing, int* orientation) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -0700902 ATRACE_CALL();
Igor Murashkin634a5152013-02-20 17:15:11 -0800903
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800904 int deviceVersion = 0;
905
Emilian Peevf53f66e2017-04-11 14:29:43 +0100906 status_t res;
907 hardware::hidl_version maxVersion{0,0};
Jayant Chowdharyffc5d682022-05-12 18:34:34 +0000908 IPCTransport transport = IPCTransport::INVALID;
Emilian Peevf53f66e2017-04-11 14:29:43 +0100909 res = mCameraProviderManager->getHighestSupportedVersion(cameraId.string(),
Jayant Chowdharyffc5d682022-05-12 18:34:34 +0000910 &maxVersion, &transport);
911 if (res != OK || transport == IPCTransport::INVALID) {
912 ALOGE("%s: Unable to get highest supported version for camera id %s", __FUNCTION__,
913 cameraId.string());
914 return std::make_pair(-1, IPCTransport::INVALID) ;
915 }
Emilian Peevf53f66e2017-04-11 14:29:43 +0100916 deviceVersion = HARDWARE_DEVICE_API_VERSION(maxVersion.get_major(), maxVersion.get_minor());
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -0800917
Emilian Peevf53f66e2017-04-11 14:29:43 +0100918 hardware::CameraInfo info;
919 if (facing) {
Austin Borger3560b7e2022-10-27 12:20:29 -0700920 res = mCameraProviderManager->getCameraInfo(cameraId.string(), overrideToPortrait,
921 portraitRotation, &info);
Jayant Chowdharyffc5d682022-05-12 18:34:34 +0000922 if (res != OK) {
923 return std::make_pair(-1, IPCTransport::INVALID);
924 }
Emilian Peevf53f66e2017-04-11 14:29:43 +0100925 *facing = info.facing;
Emilian Peevb91f1802021-03-23 14:50:28 -0700926 if (orientation) {
927 *orientation = info.orientation;
928 }
Igor Murashkin634a5152013-02-20 17:15:11 -0800929 }
Emilian Peevf53f66e2017-04-11 14:29:43 +0100930
Jayant Chowdharyffc5d682022-05-12 18:34:34 +0000931 return std::make_pair(deviceVersion, transport);
Igor Murashkin634a5152013-02-20 17:15:11 -0800932}
933
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800934Status CameraService::filterGetInfoErrorCode(status_t err) {
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -0700935 switch(err) {
936 case NO_ERROR:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800937 return Status::ok();
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800938 case BAD_VALUE:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800939 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT,
940 "CameraId is not valid for HAL module");
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -0800941 case NO_INIT:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800942 return STATUS_ERROR(ERROR_DISCONNECTED,
943 "Camera device not available");
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -0700944 default:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800945 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
946 "Camera HAL encountered error %d: %s",
947 err, strerror(-err));
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -0700948 }
Igor Murashkinbfc99152013-02-27 12:55:20 -0800949}
950
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -0800951Status CameraService::makeClient(const sp<CameraService>& cameraService,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -0800952 const sp<IInterface>& cameraCb, const String16& packageName, bool systemNativeClient,
Eino-Ville Talvalaa976df82019-06-13 18:01:58 -0700953 const std::optional<String16>& featureId, const String8& cameraId,
Emilian Peev8b64f282021-03-25 16:49:57 -0700954 int api1CameraId, int facing, int sensorOrientation, int clientPid, uid_t clientUid,
Jayant Chowdharyffc5d682022-05-12 18:34:34 +0000955 int servicePid, std::pair<int, IPCTransport> deviceVersionAndTransport,
Austin Borger3560b7e2022-10-27 12:20:29 -0700956 apiLevel effectiveApiLevel, bool overrideForPerfClass, bool overrideToPortrait,
957 /*out*/sp<BasicClient>* client) {
Jayant Chowdharyffc5d682022-05-12 18:34:34 +0000958 // For HIDL devices
959 if (deviceVersionAndTransport.second == IPCTransport::HIDL) {
960 // Create CameraClient based on device version reported by the HAL.
961 int deviceVersion = deviceVersionAndTransport.first;
962 switch(deviceVersion) {
963 case CAMERA_DEVICE_API_VERSION_1_0:
964 ALOGE("Camera using old HAL version: %d", deviceVersion);
965 return STATUS_ERROR_FMT(ERROR_DEPRECATED_HAL,
966 "Camera device \"%s\" HAL version %d no longer supported",
967 cameraId.string(), deviceVersion);
968 break;
969 case CAMERA_DEVICE_API_VERSION_3_0:
970 case CAMERA_DEVICE_API_VERSION_3_1:
971 case CAMERA_DEVICE_API_VERSION_3_2:
972 case CAMERA_DEVICE_API_VERSION_3_3:
973 case CAMERA_DEVICE_API_VERSION_3_4:
974 case CAMERA_DEVICE_API_VERSION_3_5:
975 case CAMERA_DEVICE_API_VERSION_3_6:
976 case CAMERA_DEVICE_API_VERSION_3_7:
977 break;
978 default:
979 // Should not be reachable
980 ALOGE("Unknown camera device HAL version: %d", deviceVersion);
981 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
982 "Camera device \"%s\" has unknown HAL version %d",
983 cameraId.string(), deviceVersion);
984 }
985 }
986 if (effectiveApiLevel == API_1) { // Camera1 API route
987 sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get());
988 *client = new Camera2Client(cameraService, tmp, packageName, featureId,
989 cameraId, api1CameraId, facing, sensorOrientation, clientPid, clientUid,
Austin Borger3560b7e2022-10-27 12:20:29 -0700990 servicePid, overrideForPerfClass, overrideToPortrait);
991 ALOGI("%s: Camera1 API (legacy), override to portrait %d", __FUNCTION__,
992 overrideToPortrait);
Jayant Chowdharyffc5d682022-05-12 18:34:34 +0000993 } else { // Camera2 API route
994 sp<hardware::camera2::ICameraDeviceCallbacks> tmp =
995 static_cast<hardware::camera2::ICameraDeviceCallbacks*>(cameraCb.get());
996 *client = new CameraDeviceClient(cameraService, tmp, packageName,
997 systemNativeClient, featureId, cameraId, facing, sensorOrientation,
Austin Borger3560b7e2022-10-27 12:20:29 -0700998 clientPid, clientUid, servicePid, overrideForPerfClass, overrideToPortrait);
999 ALOGI("%s: Camera2 API, override to portrait %d", __FUNCTION__, overrideToPortrait);
Ruben Brunkcc776712015-02-17 20:18:47 -08001000 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001001 return Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -08001002}
1003
Ruben Brunk6267b532015-04-30 17:44:07 -07001004String8 CameraService::toString(std::set<userid_t> intSet) {
1005 String8 s("");
1006 bool first = true;
1007 for (userid_t i : intSet) {
1008 if (first) {
1009 s.appendFormat("%d", i);
1010 first = false;
1011 } else {
1012 s.appendFormat(", %d", i);
1013 }
1014 }
1015 return s;
1016}
1017
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001018int32_t CameraService::mapToInterface(TorchModeStatus status) {
1019 int32_t serviceStatus = ICameraServiceListener::TORCH_STATUS_NOT_AVAILABLE;
1020 switch (status) {
1021 case TorchModeStatus::NOT_AVAILABLE:
1022 serviceStatus = ICameraServiceListener::TORCH_STATUS_NOT_AVAILABLE;
1023 break;
1024 case TorchModeStatus::AVAILABLE_OFF:
1025 serviceStatus = ICameraServiceListener::TORCH_STATUS_AVAILABLE_OFF;
1026 break;
1027 case TorchModeStatus::AVAILABLE_ON:
1028 serviceStatus = ICameraServiceListener::TORCH_STATUS_AVAILABLE_ON;
1029 break;
1030 default:
1031 ALOGW("Unknown new flash status: %d", status);
1032 }
1033 return serviceStatus;
1034}
1035
1036CameraService::StatusInternal CameraService::mapToInternal(CameraDeviceStatus status) {
1037 StatusInternal serviceStatus = StatusInternal::NOT_PRESENT;
1038 switch (status) {
1039 case CameraDeviceStatus::NOT_PRESENT:
1040 serviceStatus = StatusInternal::NOT_PRESENT;
1041 break;
1042 case CameraDeviceStatus::PRESENT:
1043 serviceStatus = StatusInternal::PRESENT;
1044 break;
1045 case CameraDeviceStatus::ENUMERATING:
1046 serviceStatus = StatusInternal::ENUMERATING;
1047 break;
1048 default:
1049 ALOGW("Unknown new HAL device status: %d", status);
1050 }
1051 return serviceStatus;
1052}
1053
1054int32_t CameraService::mapToInterface(StatusInternal status) {
1055 int32_t serviceStatus = ICameraServiceListener::STATUS_NOT_PRESENT;
1056 switch (status) {
1057 case StatusInternal::NOT_PRESENT:
1058 serviceStatus = ICameraServiceListener::STATUS_NOT_PRESENT;
1059 break;
1060 case StatusInternal::PRESENT:
1061 serviceStatus = ICameraServiceListener::STATUS_PRESENT;
1062 break;
1063 case StatusInternal::ENUMERATING:
1064 serviceStatus = ICameraServiceListener::STATUS_ENUMERATING;
1065 break;
1066 case StatusInternal::NOT_AVAILABLE:
1067 serviceStatus = ICameraServiceListener::STATUS_NOT_AVAILABLE;
1068 break;
1069 case StatusInternal::UNKNOWN:
1070 serviceStatus = ICameraServiceListener::STATUS_UNKNOWN;
1071 break;
1072 default:
1073 ALOGW("Unknown new internal device status: %d", status);
1074 }
1075 return serviceStatus;
1076}
1077
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001078Status CameraService::initializeShimMetadata(int cameraId) {
Jayant Chowdhary12361932018-08-27 14:46:13 -07001079 int uid = CameraThreadState::getCallingUid();
Ruben Brunkb2119af2014-05-09 19:57:56 -07001080
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001081 String16 internalPackageName("cameraserver");
Ruben Brunkcc776712015-02-17 20:18:47 -08001082 String8 id = String8::format("%d", cameraId);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001083 Status ret = Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -08001084 sp<Client> tmp = nullptr;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001085 if (!(ret = connectHelper<ICameraClient,Client>(
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -08001086 sp<ICameraClient>{nullptr}, id, cameraId,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001087 internalPackageName, /*systemNativeClient*/ false, {}, uid, USE_CALLING_PID,
Shuzhen Wangd4abdf72021-05-28 11:22:50 -07001088 API_1, /*shimUpdateOnly*/ true, /*oomScoreOffset*/ 0,
Austin Borger3560b7e2022-10-27 12:20:29 -07001089 /*targetSdkVersion*/ __ANDROID_API_FUTURE__, /*overrideToPortrait*/ true, /*out*/ tmp)
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001090 ).isOk()) {
1091 ALOGE("%s: Error initializing shim metadata: %s", __FUNCTION__, ret.toString8().string());
Ruben Brunkb2119af2014-05-09 19:57:56 -07001092 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001093 return ret;
Ruben Brunkb2119af2014-05-09 19:57:56 -07001094}
1095
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001096Status CameraService::getLegacyParametersLazy(int cameraId,
Igor Murashkin65d14b92014-06-17 12:03:20 -07001097 /*out*/
1098 CameraParameters* parameters) {
1099
1100 ALOGV("%s: for cameraId: %d", __FUNCTION__, cameraId);
1101
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001102 Status ret = Status::ok();
Igor Murashkin65d14b92014-06-17 12:03:20 -07001103
1104 if (parameters == NULL) {
1105 ALOGE("%s: parameters must not be null", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001106 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Parameters must not be null");
Igor Murashkin65d14b92014-06-17 12:03:20 -07001107 }
1108
Ruben Brunkcc776712015-02-17 20:18:47 -08001109 String8 id = String8::format("%d", cameraId);
1110
1111 // Check if we already have parameters
1112 {
1113 // Scope for service lock
Igor Murashkin65d14b92014-06-17 12:03:20 -07001114 Mutex::Autolock lock(mServiceLock);
Ruben Brunkcc776712015-02-17 20:18:47 -08001115 auto cameraState = getCameraState(id);
1116 if (cameraState == nullptr) {
1117 ALOGE("%s: Invalid camera ID: %s", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001118 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
1119 "Invalid camera ID: %s", id.string());
Ruben Brunkcc776712015-02-17 20:18:47 -08001120 }
1121 CameraParameters p = cameraState->getShimParams();
1122 if (!p.isEmpty()) {
1123 *parameters = p;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001124 return ret;
Igor Murashkin65d14b92014-06-17 12:03:20 -07001125 }
1126 }
1127
Jayant Chowdhary12361932018-08-27 14:46:13 -07001128 int64_t token = CameraThreadState::clearCallingIdentity();
Ruben Brunkcc776712015-02-17 20:18:47 -08001129 ret = initializeShimMetadata(cameraId);
Jayant Chowdhary12361932018-08-27 14:46:13 -07001130 CameraThreadState::restoreCallingIdentity(token);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001131 if (!ret.isOk()) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001132 // Error already logged by callee
1133 return ret;
1134 }
1135
1136 // Check for parameters again
1137 {
1138 // Scope for service lock
1139 Mutex::Autolock lock(mServiceLock);
1140 auto cameraState = getCameraState(id);
1141 if (cameraState == nullptr) {
1142 ALOGE("%s: Invalid camera ID: %s", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001143 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
1144 "Invalid camera ID: %s", id.string());
Igor Murashkin65d14b92014-06-17 12:03:20 -07001145 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001146 CameraParameters p = cameraState->getShimParams();
1147 if (!p.isEmpty()) {
1148 *parameters = p;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001149 return ret;
Igor Murashkin65d14b92014-06-17 12:03:20 -07001150 }
1151 }
1152
Ruben Brunkcc776712015-02-17 20:18:47 -08001153 ALOGE("%s: Parameters were not initialized, or were empty. Device may not be present.",
1154 __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001155 return STATUS_ERROR(ERROR_INVALID_OPERATION, "Unable to initialize legacy parameters");
Igor Murashkin65d14b92014-06-17 12:03:20 -07001156}
1157
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001158// Can camera service trust the caller based on the calling UID?
1159static bool isTrustedCallingUid(uid_t uid) {
1160 switch (uid) {
Eino-Ville Talvalaaf9d0302016-06-29 14:40:10 -07001161 case AID_MEDIA: // mediaserver
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001162 case AID_CAMERASERVER: // cameraserver
Eino-Ville Talvalaaf9d0302016-06-29 14:40:10 -07001163 case AID_RADIO: // telephony
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001164 return true;
1165 default:
1166 return false;
1167 }
1168}
1169
Nicholas Sauera3620332019-04-03 14:05:17 -07001170static status_t getUidForPackage(String16 packageName, int userId, /*inout*/uid_t& uid, int err) {
1171 PermissionController pc;
1172 uid = pc.getPackageUid(packageName, 0);
1173 if (uid <= 0) {
1174 ALOGE("Unknown package: '%s'", String8(packageName).string());
1175 dprintf(err, "Unknown package: '%s'\n", String8(packageName).string());
1176 return BAD_VALUE;
1177 }
1178
1179 if (userId < 0) {
1180 ALOGE("Invalid user: %d", userId);
1181 dprintf(err, "Invalid user: %d\n", userId);
1182 return BAD_VALUE;
1183 }
1184
1185 uid = multiuser_get_uid(userId, uid);
1186 return NO_ERROR;
1187}
1188
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001189Status CameraService::validateConnectLocked(const String8& cameraId,
Chien-Yu Chen18df60e2016-03-18 18:18:09 -07001190 const String8& clientName8, /*inout*/int& clientUid, /*inout*/int& clientPid,
1191 /*out*/int& originalClientPid) const {
Tyler Luu5861a9a2011-10-06 00:00:03 -05001192
Alex Deymo9c2a2c22016-08-25 11:59:14 -07001193#ifdef __BRILLO__
1194 UNUSED(clientName8);
1195 UNUSED(clientUid);
1196 UNUSED(clientPid);
1197 UNUSED(originalClientPid);
1198#else
Chien-Yu Chen7939aee2016-03-21 18:19:33 -07001199 Status allowed = validateClientPermissionsLocked(cameraId, clientName8, clientUid, clientPid,
1200 originalClientPid);
Eino-Ville Talvala04926862016-03-02 15:42:53 -08001201 if (!allowed.isOk()) {
Christopher Wileyce761d12016-02-16 10:15:00 -08001202 return allowed;
1203 }
Alex Deymo9c2a2c22016-08-25 11:59:14 -07001204#endif // __BRILLO__
Christopher Wileyce761d12016-02-16 10:15:00 -08001205
Jayant Chowdhary12361932018-08-27 14:46:13 -07001206 int callingPid = CameraThreadState::getCallingPid();
Eino-Ville Talvala04926862016-03-02 15:42:53 -08001207
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08001208 if (!mInitialized) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001209 ALOGE("CameraService::connect X (PID %d) rejected (camera HAL module not loaded)",
1210 callingPid);
Eino-Ville Talvala04926862016-03-02 15:42:53 -08001211 return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
1212 "No camera HAL module available to open camera device \"%s\"", cameraId.string());
Iliyan Malchev8951a972011-04-14 16:55:59 -07001213 }
1214
Ruben Brunkcc776712015-02-17 20:18:47 -08001215 if (getCameraState(cameraId) == nullptr) {
1216 ALOGE("CameraService::connect X (PID %d) rejected (invalid camera ID %s)", callingPid,
1217 cameraId.string());
Eino-Ville Talvala04926862016-03-02 15:42:53 -08001218 return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
1219 "No camera device with ID \"%s\" available", cameraId.string());
Mathias Agopian65ab4712010-07-14 17:59:35 -07001220 }
1221
Eino-Ville Talvala04926862016-03-02 15:42:53 -08001222 status_t err = checkIfDeviceIsUsable(cameraId);
1223 if (err != NO_ERROR) {
1224 switch(err) {
1225 case -ENODEV:
1226 case -EBUSY:
1227 return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
1228 "No camera device with ID \"%s\" currently available", cameraId.string());
1229 default:
1230 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
1231 "Unknown error connecting to ID \"%s\"", cameraId.string());
1232 }
1233 }
1234 return Status::ok();
Christopher Wiley0039bcf2016-02-05 10:29:50 -08001235}
1236
Eino-Ville Talvala04926862016-03-02 15:42:53 -08001237Status CameraService::validateClientPermissionsLocked(const String8& cameraId,
Chien-Yu Chen7939aee2016-03-21 18:19:33 -07001238 const String8& clientName8, int& clientUid, int& clientPid,
1239 /*out*/int& originalClientPid) const {
Jayant Chowdhary12361932018-08-27 14:46:13 -07001240 int callingPid = CameraThreadState::getCallingPid();
1241 int callingUid = CameraThreadState::getCallingUid();
Mathias Agopian65ab4712010-07-14 17:59:35 -07001242
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001243 // Check if we can trust clientUid
Mathias Agopian65ab4712010-07-14 17:59:35 -07001244 if (clientUid == USE_CALLING_UID) {
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001245 clientUid = callingUid;
1246 } else if (!isTrustedCallingUid(callingUid)) {
1247 ALOGE("CameraService::connect X (calling PID %d, calling UID %d) rejected "
1248 "(don't trust clientUid %d)", callingPid, callingUid, clientUid);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001249 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
1250 "Untrusted caller (calling PID %d, UID %d) trying to "
1251 "forward camera access to camera %s for client %s (PID %d, UID %d)",
1252 callingPid, callingUid, cameraId.string(),
1253 clientName8.string(), clientUid, clientPid);
Mathias Agopian65ab4712010-07-14 17:59:35 -07001254 }
1255
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001256 // Check if we can trust clientPid
1257 if (clientPid == USE_CALLING_PID) {
1258 clientPid = callingPid;
1259 } else if (!isTrustedCallingUid(callingUid)) {
1260 ALOGE("CameraService::connect X (calling PID %d, calling UID %d) rejected "
1261 "(don't trust clientPid %d)", callingPid, callingUid, clientPid);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001262 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
1263 "Untrusted caller (calling PID %d, UID %d) trying to "
1264 "forward camera access to camera %s for client %s (PID %d, UID %d)",
1265 callingPid, callingUid, cameraId.string(),
1266 clientName8.string(), clientUid, clientPid);
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001267 }
1268
Jayant Chowdhary5216b212019-07-17 09:26:23 -07001269 if (shouldRejectSystemCameraConnection(cameraId)) {
1270 ALOGW("Attempting to connect to system-only camera id %s, connection rejected",
1271 cameraId.c_str());
1272 return STATUS_ERROR_FMT(ERROR_DISCONNECTED, "No camera device with ID \"%s\" is"
1273 "available", cameraId.string());
1274 }
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -07001275 SystemCameraKind deviceKind = SystemCameraKind::PUBLIC;
1276 if (getSystemCameraKind(cameraId, &deviceKind) != OK) {
1277 ALOGE("%s: Invalid camera id %s, skipping", __FUNCTION__, cameraId.string());
1278 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT, "No camera device with ID \"%s\""
1279 "found while trying to query device kind", cameraId.string());
1280
1281 }
1282
Jayant Chowdhary5216b212019-07-17 09:26:23 -07001283 // If it's not calling from cameraserver, check the permission if the
1284 // device isn't a system only camera (shouldRejectSystemCameraConnection already checks for
1285 // android.permission.SYSTEM_CAMERA for system only camera devices).
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001286 if (callingPid != getpid() &&
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -07001287 (deviceKind != SystemCameraKind::SYSTEM_ONLY_CAMERA) &&
Jayant Chowdhary5216b212019-07-17 09:26:23 -07001288 !checkPermission(sCameraPermission, clientPid, clientUid)) {
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001289 ALOGE("Permission Denial: can't use the camera pid=%d, uid=%d", clientPid, clientUid);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001290 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
1291 "Caller \"%s\" (PID %d, UID %d) cannot open camera \"%s\" without camera permission",
1292 clientName8.string(), clientUid, clientPid, cameraId.string());
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001293 }
1294
Svet Ganova453d0d2018-01-11 15:37:58 -08001295 // Make sure the UID is in an active state to use the camera
Svet Ganov7b4ab782018-03-25 12:48:10 -07001296 if (!mUidPolicy->isUidActive(callingUid, String16(clientName8))) {
Varun Shahb42f1eb2019-04-16 14:45:13 -07001297 int32_t procState = mUidPolicy->getProcState(callingUid);
Svet Ganova453d0d2018-01-11 15:37:58 -08001298 ALOGE("Access Denial: can't use the camera from an idle UID pid=%d, uid=%d",
1299 clientPid, clientUid);
1300 return STATUS_ERROR_FMT(ERROR_DISABLED,
Varun Shahb42f1eb2019-04-16 14:45:13 -07001301 "Caller \"%s\" (PID %d, UID %d) cannot open camera \"%s\" from background ("
1302 "calling UID %d proc state %" PRId32 ")",
1303 clientName8.string(), clientUid, clientPid, cameraId.string(),
1304 callingUid, procState);
Svet Ganova453d0d2018-01-11 15:37:58 -08001305 }
1306
Michael Grooverd1d435a2018-12-18 17:39:42 -08001307 // If sensor privacy is enabled then prevent access to the camera
1308 if (mSensorPrivacyPolicy->isSensorPrivacyEnabled()) {
1309 ALOGE("Access Denial: cannot use the camera when sensor privacy is enabled");
1310 return STATUS_ERROR_FMT(ERROR_DISABLED,
1311 "Caller \"%s\" (PID %d, UID %d) cannot open camera \"%s\" when sensor privacy "
1312 "is enabled", clientName8.string(), clientUid, clientPid, cameraId.string());
1313 }
1314
Chien-Yu Chen4f3d6202016-03-22 10:50:23 -07001315 // Only use passed in clientPid to check permission. Use calling PID as the client PID that's
1316 // connected to camera service directly.
Chien-Yu Chen18df60e2016-03-18 18:18:09 -07001317 originalClientPid = clientPid;
Chien-Yu Chen4f3d6202016-03-22 10:50:23 -07001318 clientPid = callingPid;
Mathias Agopian65ab4712010-07-14 17:59:35 -07001319
Ruben Brunk6267b532015-04-30 17:44:07 -07001320 userid_t clientUserId = multiuser_get_user_id(clientUid);
Wu-cheng Lia3355432011-05-20 14:54:25 +08001321
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001322 // For non-system clients : Only allow clients who are being used by the current foreground
1323 // device user, unless calling from our own process.
1324 if (!doesClientHaveSystemUid() && callingPid != getpid() &&
Jayant Chowdhary8ec41c12019-02-21 20:17:22 -08001325 (mAllowedUsers.find(clientUserId) == mAllowedUsers.end())) {
Ruben Brunk6267b532015-04-30 17:44:07 -07001326 ALOGE("CameraService::connect X (PID %d) rejected (cannot connect from "
1327 "device user %d, currently allowed device users: %s)", callingPid, clientUserId,
1328 toString(mAllowedUsers).string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001329 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
1330 "Callers from device user %d are not currently allowed to connect to camera \"%s\"",
1331 clientUserId, cameraId.string());
Ruben Brunk36597b22015-03-20 22:15:57 -07001332 }
1333
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001334 return Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -08001335}
1336
1337status_t CameraService::checkIfDeviceIsUsable(const String8& cameraId) const {
1338 auto cameraState = getCameraState(cameraId);
Jayant Chowdhary12361932018-08-27 14:46:13 -07001339 int callingPid = CameraThreadState::getCallingPid();
Ruben Brunkcc776712015-02-17 20:18:47 -08001340 if (cameraState == nullptr) {
1341 ALOGE("CameraService::connect X (PID %d) rejected (invalid camera ID %s)", callingPid,
1342 cameraId.string());
1343 return -ENODEV;
1344 }
1345
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001346 StatusInternal currentStatus = cameraState->getStatus();
1347 if (currentStatus == StatusInternal::NOT_PRESENT) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001348 ALOGE("CameraService::connect X (PID %d) rejected (camera %s is not connected)",
1349 callingPid, cameraId.string());
Ruben Brunk0f61d8f2013-08-08 13:07:18 -07001350 return -ENODEV;
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001351 } else if (currentStatus == StatusInternal::ENUMERATING) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001352 ALOGE("CameraService::connect X (PID %d) rejected, (camera %s is initializing)",
1353 callingPid, cameraId.string());
Ruben Brunk0f61d8f2013-08-08 13:07:18 -07001354 return -EBUSY;
Igor Murashkincba2c162013-03-20 15:56:31 -07001355 }
Igor Murashkincba2c162013-03-20 15:56:31 -07001356
Ruben Brunkcc776712015-02-17 20:18:47 -08001357 return NO_ERROR;
Igor Murashkine6800ce2013-03-04 17:25:57 -08001358}
1359
Ruben Brunkcc776712015-02-17 20:18:47 -08001360void CameraService::finishConnectLocked(const sp<BasicClient>& client,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001361 const CameraService::DescriptorPtr& desc, int oomScoreOffset, bool systemNativeClient) {
Igor Murashkine6800ce2013-03-04 17:25:57 -08001362
Ruben Brunkcc776712015-02-17 20:18:47 -08001363 // Make a descriptor for the incoming client
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00001364 auto clientDescriptor =
1365 CameraService::CameraClientManager::makeClientDescriptor(client, desc,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001366 oomScoreOffset, systemNativeClient);
Ruben Brunkcc776712015-02-17 20:18:47 -08001367 auto evicted = mActiveClientManager.addAndEvict(clientDescriptor);
1368
1369 logConnected(desc->getKey(), static_cast<int>(desc->getOwnerId()),
1370 String8(client->getPackageName()));
1371
1372 if (evicted.size() > 0) {
1373 // This should never happen - clients should already have been removed in disconnect
1374 for (auto& i : evicted) {
1375 ALOGE("%s: Invalid state: Client for camera %s was not removed in disconnect",
1376 __FUNCTION__, i->getKey().string());
1377 }
1378
1379 LOG_ALWAYS_FATAL("%s: Invalid state for CameraService, clients not evicted properly",
1380 __FUNCTION__);
1381 }
Eino-Ville Talvala24901c82015-09-04 14:15:58 -07001382
1383 // And register a death notification for the client callback. Do
1384 // this last to avoid Binder policy where a nested Binder
1385 // transaction might be pre-empted to service the client death
1386 // notification if the client process dies before linkToDeath is
1387 // invoked.
1388 sp<IBinder> remoteCallback = client->getRemote();
1389 if (remoteCallback != nullptr) {
1390 remoteCallback->linkToDeath(this);
1391 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001392}
1393
1394status_t CameraService::handleEvictionsLocked(const String8& cameraId, int clientPid,
1395 apiLevel effectiveApiLevel, const sp<IBinder>& remoteCallback, const String8& packageName,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001396 int oomScoreOffset, bool systemNativeClient,
Ruben Brunkcc776712015-02-17 20:18:47 -08001397 /*out*/
1398 sp<BasicClient>* client,
1399 std::shared_ptr<resource_policy::ClientDescriptor<String8, sp<BasicClient>>>* partial) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001400 ATRACE_CALL();
Ruben Brunkcc776712015-02-17 20:18:47 -08001401 status_t ret = NO_ERROR;
Ruben Brunk4f9576b2015-04-10 17:26:56 -07001402 std::vector<DescriptorPtr> evictedClients;
Ruben Brunkcc776712015-02-17 20:18:47 -08001403 DescriptorPtr clientDescriptor;
1404 {
1405 if (effectiveApiLevel == API_1) {
1406 // If we are using API1, any existing client for this camera ID with the same remote
1407 // should be returned rather than evicted to allow MediaRecorder to work properly.
1408
1409 auto current = mActiveClientManager.get(cameraId);
1410 if (current != nullptr) {
1411 auto clientSp = current->getValue();
1412 if (clientSp.get() != nullptr) { // should never be needed
Ruben Brunk0bbf8b22015-04-30 14:35:42 -07001413 if (!clientSp->canCastToApiClient(effectiveApiLevel)) {
Shuzhen Wangb2d43f62021-08-25 14:01:11 -07001414 ALOGW("CameraService connect called with a different"
Ruben Brunk0bbf8b22015-04-30 14:35:42 -07001415 " API level, evicting prior client...");
1416 } else if (clientSp->getRemote() == remoteCallback) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001417 ALOGI("CameraService::connect X (PID %d) (second call from same"
Ruben Brunk0bbf8b22015-04-30 14:35:42 -07001418 " app binder, returning the same client)", clientPid);
Ruben Brunkcc776712015-02-17 20:18:47 -08001419 *client = clientSp;
1420 return NO_ERROR;
1421 }
1422 }
Wu-cheng Li2fd24402012-02-23 19:01:00 -08001423 }
Wu-cheng Li2fd24402012-02-23 19:01:00 -08001424 }
Wu-cheng Li08ad5ef2012-04-19 12:35:00 +08001425
Ruben Brunkcc776712015-02-17 20:18:47 -08001426 // Get current active client PIDs
1427 std::vector<int> ownerPids(mActiveClientManager.getAllOwners());
1428 ownerPids.push_back(clientPid);
Igor Murashkine6800ce2013-03-04 17:25:57 -08001429
Emilian Peev8131a262017-02-01 12:33:43 +00001430 std::vector<int> priorityScores(ownerPids.size());
1431 std::vector<int> states(ownerPids.size());
Igor Murashkine6800ce2013-03-04 17:25:57 -08001432
Emilian Peev8131a262017-02-01 12:33:43 +00001433 // Get priority scores of all active PIDs
1434 status_t err = ProcessInfoService::getProcessStatesScoresFromPids(
1435 ownerPids.size(), &ownerPids[0], /*out*/&states[0],
1436 /*out*/&priorityScores[0]);
1437 if (err != OK) {
1438 ALOGE("%s: Priority score query failed: %d",
1439 __FUNCTION__, err);
1440 return err;
1441 }
Ruben Brunkb2119af2014-05-09 19:57:56 -07001442
Ruben Brunkcc776712015-02-17 20:18:47 -08001443 // Update all active clients' priorities
Emilian Peev8131a262017-02-01 12:33:43 +00001444 std::map<int,resource_policy::ClientPriority> pidToPriorityMap;
Ruben Brunkcc776712015-02-17 20:18:47 -08001445 for (size_t i = 0; i < ownerPids.size() - 1; i++) {
Emilian Peev8131a262017-02-01 12:33:43 +00001446 pidToPriorityMap.emplace(ownerPids[i],
Jayant Chowdharyc578a502019-05-08 10:57:54 -07001447 resource_policy::ClientPriority(priorityScores[i], states[i],
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00001448 /* isVendorClient won't get copied over*/ false,
1449 /* oomScoreOffset won't get copied over*/ 0));
Ruben Brunkcc776712015-02-17 20:18:47 -08001450 }
1451 mActiveClientManager.updatePriorities(pidToPriorityMap);
Chien-Yu Chen3068d732015-02-09 13:29:57 -08001452
Ruben Brunkcc776712015-02-17 20:18:47 -08001453 // Get state for the given cameraId
1454 auto state = getCameraState(cameraId);
1455 if (state == nullptr) {
1456 ALOGE("CameraService::connect X (PID %d) rejected (no camera device with ID %s)",
1457 clientPid, cameraId.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001458 // Should never get here because validateConnectLocked should have errored out
Zhijun Heb10cdad2014-06-16 16:38:35 -07001459 return BAD_VALUE;
Zhijun Heb10cdad2014-06-16 16:38:35 -07001460 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001461
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00001462 int32_t actualScore = priorityScores[priorityScores.size() - 1];
1463 int32_t actualState = states[states.size() - 1];
1464
1465 // Make descriptor for incoming client. We store the oomScoreOffset
1466 // since we might need it later on new handleEvictionsLocked and
1467 // ProcessInfoService would not take that into account.
Shuzhen Wang2db86ff2018-04-25 01:11:17 +00001468 clientDescriptor = CameraClientManager::makeClientDescriptor(cameraId,
Ruben Brunkcc776712015-02-17 20:18:47 -08001469 sp<BasicClient>{nullptr}, static_cast<int32_t>(state->getCost()),
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00001470 state->getConflicting(), actualScore, clientPid, actualState,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001471 oomScoreOffset, systemNativeClient);
Ruben Brunkcc776712015-02-17 20:18:47 -08001472
Jayant Chowdhary5bf11bf2019-06-24 19:42:56 -07001473 resource_policy::ClientPriority clientPriority = clientDescriptor->getPriority();
1474
Ruben Brunkcc776712015-02-17 20:18:47 -08001475 // Find clients that would be evicted
1476 auto evicted = mActiveClientManager.wouldEvict(clientDescriptor);
1477
1478 // If the incoming client was 'evicted,' higher priority clients have the camera in the
1479 // background, so we cannot do evictions
1480 if (std::find(evicted.begin(), evicted.end(), clientDescriptor) != evicted.end()) {
1481 ALOGE("CameraService::connect X (PID %d) rejected (existing client(s) with higher"
1482 " priority).", clientPid);
1483
1484 sp<BasicClient> clientSp = clientDescriptor->getValue();
1485 String8 curTime = getFormattedCurrentTime();
1486 auto incompatibleClients =
1487 mActiveClientManager.getIncompatibleClients(clientDescriptor);
1488
1489 String8 msg = String8::format("%s : DENIED connect device %s client for package %s "
Emilian Peev8131a262017-02-01 12:33:43 +00001490 "(PID %d, score %d state %d) due to eviction policy", curTime.string(),
Ruben Brunkcc776712015-02-17 20:18:47 -08001491 cameraId.string(), packageName.string(), clientPid,
Jayant Chowdhary5bf11bf2019-06-24 19:42:56 -07001492 clientPriority.getScore(), clientPriority.getState());
Ruben Brunkcc776712015-02-17 20:18:47 -08001493
1494 for (auto& i : incompatibleClients) {
1495 msg.appendFormat("\n - Blocked by existing device %s client for package %s"
Emilian Peev8131a262017-02-01 12:33:43 +00001496 "(PID %" PRId32 ", score %" PRId32 ", state %" PRId32 ")",
1497 i->getKey().string(),
1498 String8{i->getValue()->getPackageName()}.string(),
1499 i->getOwnerId(), i->getPriority().getScore(),
1500 i->getPriority().getState());
Eino-Ville Talvala022f0cb2015-05-19 16:31:16 -07001501 ALOGE(" Conflicts with: Device %s, client package %s (PID %"
Emilian Peev8131a262017-02-01 12:33:43 +00001502 PRId32 ", score %" PRId32 ", state %" PRId32 ")", i->getKey().string(),
Eino-Ville Talvala022f0cb2015-05-19 16:31:16 -07001503 String8{i->getValue()->getPackageName()}.string(), i->getOwnerId(),
Emilian Peev8131a262017-02-01 12:33:43 +00001504 i->getPriority().getScore(), i->getPriority().getState());
Ruben Brunkcc776712015-02-17 20:18:47 -08001505 }
1506
1507 // Log the client's attempt
Ruben Brunka8ca9152015-04-07 14:23:40 -07001508 Mutex::Autolock l(mLogLock);
Ruben Brunkcc776712015-02-17 20:18:47 -08001509 mEventLog.add(msg);
1510
Yin-Chia Yeh8dfe4642020-06-01 11:57:45 -07001511 auto current = mActiveClientManager.get(cameraId);
1512 if (current != nullptr) {
1513 return -EBUSY; // CAMERA_IN_USE
1514 } else {
1515 return -EUSERS; // MAX_CAMERAS_IN_USE
1516 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001517 }
1518
1519 for (auto& i : evicted) {
1520 sp<BasicClient> clientSp = i->getValue();
1521 if (clientSp.get() == nullptr) {
1522 ALOGE("%s: Invalid state: Null client in active client list.", __FUNCTION__);
1523
1524 // TODO: Remove this
1525 LOG_ALWAYS_FATAL("%s: Invalid state for CameraService, null client in active list",
1526 __FUNCTION__);
1527 mActiveClientManager.remove(i);
1528 continue;
1529 }
1530
1531 ALOGE("CameraService::connect evicting conflicting client for camera ID %s",
1532 i->getKey().string());
Ruben Brunk4f9576b2015-04-10 17:26:56 -07001533 evictedClients.push_back(i);
Ruben Brunkcc776712015-02-17 20:18:47 -08001534
Ruben Brunkcc776712015-02-17 20:18:47 -08001535 // Log the clients evicted
Ruben Brunka8ca9152015-04-07 14:23:40 -07001536 logEvent(String8::format("EVICT device %s client held by package %s (PID"
Emilian Peev8131a262017-02-01 12:33:43 +00001537 " %" PRId32 ", score %" PRId32 ", state %" PRId32 ")\n - Evicted by device %s client for"
1538 " package %s (PID %d, score %" PRId32 ", state %" PRId32 ")",
Ruben Brunkcc776712015-02-17 20:18:47 -08001539 i->getKey().string(), String8{clientSp->getPackageName()}.string(),
Emilian Peev8131a262017-02-01 12:33:43 +00001540 i->getOwnerId(), i->getPriority().getScore(),
1541 i->getPriority().getState(), cameraId.string(),
Jayant Chowdhary5bf11bf2019-06-24 19:42:56 -07001542 packageName.string(), clientPid, clientPriority.getScore(),
1543 clientPriority.getState()));
Ruben Brunkcc776712015-02-17 20:18:47 -08001544
1545 // Notify the client of disconnection
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001546 clientSp->notifyError(hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED,
Ruben Brunkcc776712015-02-17 20:18:47 -08001547 CaptureResultExtras());
Zhijun Heb10cdad2014-06-16 16:38:35 -07001548 }
Ruben Brunkb2119af2014-05-09 19:57:56 -07001549 }
1550
Ruben Brunkcc776712015-02-17 20:18:47 -08001551 // Do not hold mServiceLock while disconnecting clients, but retain the condition blocking
1552 // other clients from connecting in mServiceLockWrapper if held
1553 mServiceLock.unlock();
1554
1555 // Clear caller identity temporarily so client disconnect PID checks work correctly
Jayant Chowdhary12361932018-08-27 14:46:13 -07001556 int64_t token = CameraThreadState::clearCallingIdentity();
Ruben Brunkcc776712015-02-17 20:18:47 -08001557
1558 // Destroy evicted clients
1559 for (auto& i : evictedClients) {
1560 // Disconnect is blocking, and should only have returned when HAL has cleaned up
Ruben Brunk4f9576b2015-04-10 17:26:56 -07001561 i->getValue()->disconnect(); // Clients will remove themselves from the active client list
Ruben Brunkcc776712015-02-17 20:18:47 -08001562 }
Ruben Brunkcc776712015-02-17 20:18:47 -08001563
Jayant Chowdhary12361932018-08-27 14:46:13 -07001564 CameraThreadState::restoreCallingIdentity(token);
Ruben Brunkcc776712015-02-17 20:18:47 -08001565
Ruben Brunk4f9576b2015-04-10 17:26:56 -07001566 for (const auto& i : evictedClients) {
1567 ALOGV("%s: Waiting for disconnect to complete for client for device %s (PID %" PRId32 ")",
1568 __FUNCTION__, i->getKey().string(), i->getOwnerId());
1569 ret = mActiveClientManager.waitUntilRemoved(i, DEFAULT_DISCONNECT_TIMEOUT_NS);
1570 if (ret == TIMED_OUT) {
1571 ALOGE("%s: Timed out waiting for client for device %s to disconnect, "
1572 "current clients:\n%s", __FUNCTION__, i->getKey().string(),
1573 mActiveClientManager.toString().string());
1574 return -EBUSY;
1575 }
1576 if (ret != NO_ERROR) {
1577 ALOGE("%s: Received error waiting for client for device %s to disconnect: %s (%d), "
1578 "current clients:\n%s", __FUNCTION__, i->getKey().string(), strerror(-ret),
1579 ret, mActiveClientManager.toString().string());
1580 return ret;
1581 }
1582 }
1583
1584 evictedClients.clear();
1585
Ruben Brunkcc776712015-02-17 20:18:47 -08001586 // Once clients have been disconnected, relock
1587 mServiceLock.lock();
1588
1589 // Check again if the device was unplugged or something while we weren't holding mServiceLock
1590 if ((ret = checkIfDeviceIsUsable(cameraId)) != NO_ERROR) {
1591 return ret;
Ruben Brunkb2119af2014-05-09 19:57:56 -07001592 }
1593
Ruben Brunkcc776712015-02-17 20:18:47 -08001594 *partial = clientDescriptor;
1595 return NO_ERROR;
Ruben Brunkb2119af2014-05-09 19:57:56 -07001596}
1597
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001598Status CameraService::connect(
Igor Murashkine6800ce2013-03-04 17:25:57 -08001599 const sp<ICameraClient>& cameraClient,
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -08001600 int api1CameraId,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001601 const String16& clientPackageName,
Ruben Brunk0f61d8f2013-08-08 13:07:18 -07001602 int clientUid,
Chien-Yu Chen98a668f2015-12-18 14:10:33 -08001603 int clientPid,
Shuzhen Wangd4abdf72021-05-28 11:22:50 -07001604 int targetSdkVersion,
Austin Borger3560b7e2022-10-27 12:20:29 -07001605 bool overrideToPortrait,
Ruben Brunk0f61d8f2013-08-08 13:07:18 -07001606 /*out*/
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001607 sp<ICamera>* device) {
Igor Murashkine6800ce2013-03-04 17:25:57 -08001608
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001609 ATRACE_CALL();
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001610 Status ret = Status::ok();
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -08001611
1612 String8 id = cameraIdIntToStr(api1CameraId);
Ruben Brunkcc776712015-02-17 20:18:47 -08001613 sp<Client> client = nullptr;
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -08001614 ret = connectHelper<ICameraClient,Client>(cameraClient, id, api1CameraId,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001615 clientPackageName,/*systemNativeClient*/ false, {}, clientUid, clientPid, API_1,
Austin Borger3560b7e2022-10-27 12:20:29 -07001616 /*shimUpdateOnly*/ false, /*oomScoreOffset*/ 0, targetSdkVersion,
1617 overrideToPortrait, /*out*/client);
Zhijun Heb10cdad2014-06-16 16:38:35 -07001618
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001619 if(!ret.isOk()) {
Jayant Chowdhary12361932018-08-27 14:46:13 -07001620 logRejected(id, CameraThreadState::getCallingPid(), String8(clientPackageName),
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001621 ret.toString8());
Ruben Brunkcc776712015-02-17 20:18:47 -08001622 return ret;
Zhijun Heb10cdad2014-06-16 16:38:35 -07001623 }
1624
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001625 *device = client;
1626 return ret;
Zhijun Heb10cdad2014-06-16 16:38:35 -07001627}
1628
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -07001629bool CameraService::shouldSkipStatusUpdates(SystemCameraKind systemCameraKind,
1630 bool isVendorListener, int clientPid, int clientUid) {
Jayant Chowdhary5216b212019-07-17 09:26:23 -07001631 // If the client is not a vendor client, don't add listener if
1632 // a) the camera is a publicly hidden secure camera OR
1633 // b) the camera is a system only camera and the client doesn't
1634 // have android.permission.SYSTEM_CAMERA permissions.
1635 if (!isVendorListener && (systemCameraKind == SystemCameraKind::HIDDEN_SECURE_CAMERA ||
1636 (systemCameraKind == SystemCameraKind::SYSTEM_ONLY_CAMERA &&
1637 !hasPermissionsForSystemCamera(clientPid, clientUid)))) {
Jayant Chowdharyf949ddd2019-01-29 14:34:11 -08001638 return true;
1639 }
1640 return false;
1641}
1642
Jayant Chowdhary5216b212019-07-17 09:26:23 -07001643bool CameraService::shouldRejectSystemCameraConnection(const String8& cameraId) const {
1644 // Rules for rejection:
1645 // 1) If cameraserver tries to access this camera device, accept the
1646 // connection.
1647 // 2) The camera device is a publicly hidden secure camera device AND some
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001648 // non system component is trying to access it.
Jayant Chowdhary5216b212019-07-17 09:26:23 -07001649 // 3) if the camera device is advertised by the camera HAL as SYSTEM_ONLY
1650 // and the serving thread is a non hwbinder thread, the client must have
1651 // android.permission.SYSTEM_CAMERA permissions to connect.
1652
1653 int cPid = CameraThreadState::getCallingPid();
1654 int cUid = CameraThreadState::getCallingUid();
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001655 bool systemClient = doesClientHaveSystemUid();
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -07001656 SystemCameraKind systemCameraKind = SystemCameraKind::PUBLIC;
1657 if (getSystemCameraKind(cameraId, &systemCameraKind) != OK) {
Eino-Ville Talvalaa976df82019-06-13 18:01:58 -07001658 // This isn't a known camera ID, so it's not a system camera
1659 ALOGV("%s: Unknown camera id %s, ", __FUNCTION__, cameraId.c_str());
1660 return false;
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -07001661 }
Jayant Chowdhary5216b212019-07-17 09:26:23 -07001662
1663 // (1) Cameraserver trying to connect, accept.
1664 if (CameraThreadState::getCallingPid() == getpid()) {
1665 return false;
1666 }
1667 // (2)
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001668 if (!systemClient && systemCameraKind == SystemCameraKind::HIDDEN_SECURE_CAMERA) {
Jayant Chowdhary5216b212019-07-17 09:26:23 -07001669 ALOGW("Rejecting access to secure hidden camera %s", cameraId.c_str());
1670 return true;
1671 }
1672 // (3) Here we only check for permissions if it is a system only camera device. This is since
1673 // getCameraCharacteristics() allows for calls to succeed (albeit after hiding some
1674 // characteristics) even if clients don't have android.permission.CAMERA. We do not want the
1675 // same behavior for system camera devices.
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001676 if (!systemClient && systemCameraKind == SystemCameraKind::SYSTEM_ONLY_CAMERA &&
Jayant Chowdharyc3198c32021-07-28 20:59:14 +00001677 !hasPermissionsForSystemCamera(cPid, cUid, /*logPermissionFailure*/true)) {
Jayant Chowdhary5216b212019-07-17 09:26:23 -07001678 ALOGW("Rejecting access to system only camera %s, inadequete permissions",
1679 cameraId.c_str());
1680 return true;
1681 }
1682
1683 return false;
1684}
1685
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001686Status CameraService::connectDevice(
1687 const sp<hardware::camera2::ICameraDeviceCallbacks>& cameraCb,
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001688 const String16& cameraId,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00001689 const String16& clientPackageName,
Jooyung Hanb3f7cd22020-01-23 12:27:18 +09001690 const std::optional<String16>& clientFeatureId,
Shuzhen Wangd4abdf72021-05-28 11:22:50 -07001691 int clientUid, int oomScoreOffset, int targetSdkVersion,
Austin Borger3560b7e2022-10-27 12:20:29 -07001692 bool overrideToPortrait,
Ruben Brunkcc776712015-02-17 20:18:47 -08001693 /*out*/
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001694 sp<hardware::camera2::ICameraDeviceUser>* device) {
Ruben Brunkcc776712015-02-17 20:18:47 -08001695
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07001696 ATRACE_CALL();
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001697 Status ret = Status::ok();
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001698 String8 id = String8(cameraId);
Ruben Brunkcc776712015-02-17 20:18:47 -08001699 sp<CameraDeviceClient> client = nullptr;
Jayant Chowdhary5bf11bf2019-06-24 19:42:56 -07001700 String16 clientPackageNameAdj = clientPackageName;
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00001701 int callingPid = CameraThreadState::getCallingPid();
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001702 bool systemNativeClient = false;
1703 if (doesClientHaveSystemUid() && (clientPackageNameAdj.size() == 0)) {
1704 std::string systemClient =
1705 StringPrintf("client.pid<%d>", CameraThreadState::getCallingPid());
1706 clientPackageNameAdj = String16(systemClient.c_str());
1707 systemNativeClient = true;
Jayant Chowdhary5bf11bf2019-06-24 19:42:56 -07001708 }
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00001709
1710 if (oomScoreOffset < 0) {
1711 String8 msg =
1712 String8::format("Cannot increase the priority of a client %s pid %d for "
1713 "camera id %s", String8(clientPackageNameAdj).string(), callingPid,
1714 id.string());
1715 ALOGE("%s: %s", __FUNCTION__, msg.string());
1716 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, msg.string());
1717 }
1718
Austin Borger80173a92022-08-03 17:50:40 -07001719 userid_t clientUserId = multiuser_get_user_id(clientUid);
1720 int callingUid = CameraThreadState::getCallingUid();
1721 if (clientUid == USE_CALLING_UID) {
1722 clientUserId = multiuser_get_user_id(callingUid);
1723 }
1724
1725 if (CameraServiceProxyWrapper::isCameraDisabled(clientUserId)) {
Austin Borger5f7abe22022-04-26 15:55:10 -07001726 String8 msg =
1727 String8::format("Camera disabled by device policy");
1728 ALOGE("%s: %s", __FUNCTION__, msg.string());
1729 return STATUS_ERROR(ERROR_DISABLED, msg.string());
1730 }
1731
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00001732 // enforce system camera permissions
1733 if (oomScoreOffset > 0 &&
1734 !hasPermissionsForSystemCamera(callingPid, CameraThreadState::getCallingUid())) {
1735 String8 msg =
1736 String8::format("Cannot change the priority of a client %s pid %d for "
1737 "camera id %s without SYSTEM_CAMERA permissions",
1738 String8(clientPackageNameAdj).string(), callingPid, id.string());
1739 ALOGE("%s: %s", __FUNCTION__, msg.string());
1740 return STATUS_ERROR(ERROR_PERMISSION_DENIED, msg.string());
1741 }
1742
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001743 ret = connectHelper<hardware::camera2::ICameraDeviceCallbacks,CameraDeviceClient>(cameraCb, id,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001744 /*api1CameraId*/-1, clientPackageNameAdj, systemNativeClient,clientFeatureId,
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00001745 clientUid, USE_CALLING_PID, API_2, /*shimUpdateOnly*/ false, oomScoreOffset,
Austin Borger3560b7e2022-10-27 12:20:29 -07001746 targetSdkVersion, overrideToPortrait, /*out*/client);
Ruben Brunkcc776712015-02-17 20:18:47 -08001747
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001748 if(!ret.isOk()) {
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00001749 logRejected(id, callingPid, String8(clientPackageNameAdj), ret.toString8());
Ruben Brunkcc776712015-02-17 20:18:47 -08001750 return ret;
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001751 }
1752
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001753 *device = client;
Rucha Katakwardf223072021-06-15 10:21:00 -07001754 Mutex::Autolock lock(mServiceLock);
1755
1756 // Clear the previous cached logs and reposition the
1757 // file offset to beginning of the file to log new data.
1758 // If either truncate or lseek fails, close the previous file and create a new one.
1759 if ((ftruncate(mMemFd, 0) == -1) || (lseek(mMemFd, 0, SEEK_SET) == -1)) {
1760 ALOGE("%s: Error while truncating the file: %s", __FUNCTION__, sFileName);
1761 // Close the previous memfd.
1762 close(mMemFd);
1763 // If failure to wipe the data, then create a new file and
1764 // assign the new value to mMemFd.
1765 mMemFd = memfd_create(sFileName, MFD_ALLOW_SEALING);
1766 if (mMemFd == -1) {
1767 ALOGE("%s: Error while creating the file: %s", __FUNCTION__, sFileName);
1768 }
1769 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08001770 return ret;
Chien-Yu Chen88da5262015-02-17 13:56:46 -08001771}
1772
Eino-Ville Talvala58106af2022-09-23 16:51:06 -07001773String16 CameraService::getPackageNameFromUid(int clientUid) {
1774 String16 packageName("");
1775
1776 sp<IServiceManager> sm = defaultServiceManager();
1777 sp<IBinder> binder = sm->getService(String16(kPermissionServiceName));
1778 if (binder == 0) {
1779 ALOGE("Cannot get permission service");
1780 // Return empty package name and the further interaction
1781 // with camera will likely fail
1782 return packageName;
1783 }
1784
1785 sp<IPermissionController> permCtrl = interface_cast<IPermissionController>(binder);
1786 Vector<String16> packages;
1787
1788 permCtrl->getPackagesForUid(clientUid, packages);
1789
1790 if (packages.isEmpty()) {
1791 ALOGE("No packages for calling UID %d", clientUid);
1792 // Return empty package name and the further interaction
1793 // with camera will likely fail
1794 return packageName;
1795 }
1796
1797 // Arbitrarily pick the first name in the list
1798 packageName = packages[0];
1799
1800 return packageName;
1801}
1802
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001803template<class CALLBACK, class CLIENT>
1804Status CameraService::connectHelper(const sp<CALLBACK>& cameraCb, const String8& cameraId,
Eino-Ville Talvala58106af2022-09-23 16:51:06 -07001805 int api1CameraId, const String16& clientPackageNameMaybe, bool systemNativeClient,
Jooyung Hanb3f7cd22020-01-23 12:27:18 +09001806 const std::optional<String16>& clientFeatureId, int clientUid, int clientPid,
Shuzhen Wangd4abdf72021-05-28 11:22:50 -07001807 apiLevel effectiveApiLevel, bool shimUpdateOnly, int oomScoreOffset, int targetSdkVersion,
Austin Borger3560b7e2022-10-27 12:20:29 -07001808 bool overrideToPortrait, /*out*/sp<CLIENT>& device) {
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001809 binder::Status ret = binder::Status::ok();
1810
Eino-Ville Talvala58106af2022-09-23 16:51:06 -07001811 bool isNonSystemNdk = false;
1812 String16 clientPackageName;
1813 if (clientPackageNameMaybe.size() <= 0) {
1814 // NDK calls don't come with package names, but we need one for various cases.
1815 // Generally, there's a 1:1 mapping between UID and package name, but shared UIDs
1816 // do exist. For all authentication cases, all packages under the same UID get the
1817 // same permissions, so picking any associated package name is sufficient. For some
1818 // other cases, this may give inaccurate names for clients in logs.
1819 isNonSystemNdk = true;
1820 int packageUid = (clientUid == USE_CALLING_UID) ?
1821 CameraThreadState::getCallingUid() : clientUid;
1822 clientPackageName = getPackageNameFromUid(packageUid);
1823 } else {
1824 clientPackageName = clientPackageNameMaybe;
1825 }
1826
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001827 String8 clientName8(clientPackageName);
1828
1829 int originalClientPid = 0;
1830
Eino-Ville Talvala58106af2022-09-23 16:51:06 -07001831 int packagePid = (clientPid == USE_CALLING_PID) ?
1832 CameraThreadState::getCallingPid() : clientPid;
Eino-Ville Talvalaa976df82019-06-13 18:01:58 -07001833 ALOGI("CameraService::connect call (PID %d \"%s\", camera ID %s) and "
Eino-Ville Talvala58106af2022-09-23 16:51:06 -07001834 "Camera API version %d", packagePid, clientName8.string(), cameraId.string(),
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001835 static_cast<int>(effectiveApiLevel));
1836
Shuzhen Wang316781a2020-08-18 18:11:01 -07001837 nsecs_t openTimeNs = systemTime();
1838
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001839 sp<CLIENT> client = nullptr;
Shuzhen Wang316781a2020-08-18 18:11:01 -07001840 int facing = -1;
Emilian Peevb91f1802021-03-23 14:50:28 -07001841 int orientation = 0;
Eino-Ville Talvala58106af2022-09-23 16:51:06 -07001842
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001843 {
1844 // Acquire mServiceLock and prevent other clients from connecting
1845 std::unique_ptr<AutoConditionLock> lock =
1846 AutoConditionLock::waitAndAcquire(mServiceLockWrapper, DEFAULT_CONNECT_TIMEOUT_NS);
1847
1848 if (lock == nullptr) {
1849 ALOGE("CameraService::connect (PID %d) rejected (too many other clients connecting)."
1850 , clientPid);
1851 return STATUS_ERROR_FMT(ERROR_MAX_CAMERAS_IN_USE,
1852 "Cannot open camera %s for \"%s\" (PID %d): Too many other clients connecting",
1853 cameraId.string(), clientName8.string(), clientPid);
1854 }
1855
Eino-Ville Talvala0bdfa282020-06-19 13:54:35 -07001856 // Enforce client permissions and do basic validity checks
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001857 if(!(ret = validateConnectLocked(cameraId, clientName8,
1858 /*inout*/clientUid, /*inout*/clientPid, /*out*/originalClientPid)).isOk()) {
1859 return ret;
1860 }
1861
1862 // Check the shim parameters after acquiring lock, if they have already been updated and
1863 // we were doing a shim update, return immediately
1864 if (shimUpdateOnly) {
1865 auto cameraState = getCameraState(cameraId);
1866 if (cameraState != nullptr) {
1867 if (!cameraState->getShimParams().isEmpty()) return ret;
1868 }
1869 }
1870
1871 status_t err;
1872
1873 sp<BasicClient> clientTmp = nullptr;
1874 std::shared_ptr<resource_policy::ClientDescriptor<String8, sp<BasicClient>>> partial;
1875 if ((err = handleEvictionsLocked(cameraId, originalClientPid, effectiveApiLevel,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001876 IInterface::asBinder(cameraCb), clientName8, oomScoreOffset, systemNativeClient,
1877 /*out*/&clientTmp, /*out*/&partial)) != NO_ERROR) {
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001878 switch (err) {
1879 case -ENODEV:
1880 return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
1881 "No camera device with ID \"%s\" currently available",
1882 cameraId.string());
1883 case -EBUSY:
1884 return STATUS_ERROR_FMT(ERROR_CAMERA_IN_USE,
1885 "Higher-priority client using camera, ID \"%s\" currently unavailable",
1886 cameraId.string());
Yin-Chia Yeh8dfe4642020-06-01 11:57:45 -07001887 case -EUSERS:
1888 return STATUS_ERROR_FMT(ERROR_MAX_CAMERAS_IN_USE,
1889 "Too many cameras already open, cannot open camera \"%s\"",
1890 cameraId.string());
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001891 default:
1892 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
1893 "Unexpected error %s (%d) opening camera \"%s\"",
1894 strerror(-err), err, cameraId.string());
1895 }
1896 }
1897
1898 if (clientTmp.get() != nullptr) {
1899 // Handle special case for API1 MediaRecorder where the existing client is returned
1900 device = static_cast<CLIENT*>(clientTmp.get());
1901 return ret;
1902 }
1903
1904 // give flashlight a chance to close devices if necessary.
1905 mFlashlight->prepareDeviceOpen(cameraId);
1906
Austin Borger3560b7e2022-10-27 12:20:29 -07001907 int portraitRotation;
Jayant Chowdharyffc5d682022-05-12 18:34:34 +00001908 auto deviceVersionAndTransport =
Austin Borger3560b7e2022-10-27 12:20:29 -07001909 getDeviceVersion(cameraId, overrideToPortrait, /*out*/&portraitRotation,
1910 /*out*/&facing, /*out*/&orientation);
Eino-Ville Talvala6963d0a2017-01-31 13:00:34 -08001911 if (facing == -1) {
1912 ALOGE("%s: Unable to get camera device \"%s\" facing", __FUNCTION__, cameraId.string());
1913 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
1914 "Unable to get camera device \"%s\" facing", cameraId.string());
1915 }
1916
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001917 sp<BasicClient> tmp = nullptr;
Shuzhen Wangd4abdf72021-05-28 11:22:50 -07001918 bool overrideForPerfClass = SessionConfigurationUtils::targetPerfClassPrimaryCamera(
1919 mPerfClassPrimaryCameraIds, cameraId.string(), targetSdkVersion);
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08001920 if(!(ret = makeClient(this, cameraCb, clientPackageName, systemNativeClient,
1921 clientFeatureId, cameraId, api1CameraId, facing, orientation,
Shuzhen Wang06fcfb02018-07-30 18:23:31 -07001922 clientPid, clientUid, getpid(),
Jayant Chowdharyffc5d682022-05-12 18:34:34 +00001923 deviceVersionAndTransport, effectiveApiLevel, overrideForPerfClass,
Austin Borger3560b7e2022-10-27 12:20:29 -07001924 overrideToPortrait, /*out*/&tmp)).isOk()) {
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001925 return ret;
1926 }
1927 client = static_cast<CLIENT*>(tmp.get());
1928
1929 LOG_ALWAYS_FATAL_IF(client.get() == nullptr, "%s: CameraService in invalid state",
1930 __FUNCTION__);
1931
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07001932 String8 monitorTags = isClientWatched(client.get()) ? mMonitorTags : String8("");
1933 err = client->initialize(mCameraProviderManager, monitorTags);
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08001934 if (err != OK) {
1935 ALOGE("%s: Could not initialize client from HAL.", __FUNCTION__);
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08001936 // Errors could be from the HAL module open call or from AppOpsManager
1937 switch(err) {
1938 case BAD_VALUE:
1939 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
1940 "Illegal argument to HAL module for camera \"%s\"", cameraId.string());
1941 case -EBUSY:
1942 return STATUS_ERROR_FMT(ERROR_CAMERA_IN_USE,
1943 "Camera \"%s\" is already open", cameraId.string());
1944 case -EUSERS:
1945 return STATUS_ERROR_FMT(ERROR_MAX_CAMERAS_IN_USE,
1946 "Too many cameras already open, cannot open camera \"%s\"",
1947 cameraId.string());
1948 case PERMISSION_DENIED:
1949 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
1950 "No permission to open camera \"%s\"", cameraId.string());
1951 case -EACCES:
1952 return STATUS_ERROR_FMT(ERROR_DISABLED,
1953 "Camera \"%s\" disabled by policy", cameraId.string());
1954 case -ENODEV:
1955 default:
1956 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
1957 "Failed to initialize camera \"%s\": %s (%d)", cameraId.string(),
1958 strerror(-err), err);
1959 }
1960 }
1961
1962 // Update shim paremeters for legacy clients
1963 if (effectiveApiLevel == API_1) {
1964 // Assume we have always received a Client subclass for API1
1965 sp<Client> shimClient = reinterpret_cast<Client*>(client.get());
1966 String8 rawParams = shimClient->getParameters();
1967 CameraParameters params(rawParams);
1968
1969 auto cameraState = getCameraState(cameraId);
1970 if (cameraState != nullptr) {
1971 cameraState->setShimParams(params);
1972 } else {
1973 ALOGE("%s: Cannot update shim parameters for camera %s, no such device exists.",
1974 __FUNCTION__, cameraId.string());
1975 }
1976 }
1977
Ravneet74cd3732022-03-30 05:33:03 +00001978 // Enable/disable camera service watchdog
1979 client->setCameraServiceWatchdog(mCameraServiceWatchdogEnabled);
1980
Eino-Ville Talvalaf2e37092020-01-07 15:32:32 -08001981 // Set rotate-and-crop override behavior
1982 if (mOverrideRotateAndCropMode != ANDROID_SCALER_ROTATE_AND_CROP_AUTO) {
1983 client->setRotateAndCropOverride(mOverrideRotateAndCropMode);
Austin Borger3560b7e2022-10-27 12:20:29 -07001984 } else if (overrideToPortrait && portraitRotation != 0) {
1985 uint8_t rotateAndCropMode = ANDROID_SCALER_ROTATE_AND_CROP_AUTO;
1986 switch (portraitRotation) {
1987 case 90:
1988 rotateAndCropMode = ANDROID_SCALER_ROTATE_AND_CROP_90;
1989 break;
1990 case 180:
1991 rotateAndCropMode = ANDROID_SCALER_ROTATE_AND_CROP_180;
1992 break;
1993 case 270:
1994 rotateAndCropMode = ANDROID_SCALER_ROTATE_AND_CROP_270;
1995 break;
1996 default:
1997 ALOGE("Unexpected portrait rotation: %d", portraitRotation);
1998 break;
1999 }
2000 client->setRotateAndCropOverride(rotateAndCropMode);
Emilian Peev13f35ad2022-04-27 11:28:48 -07002001 } else {
Austin Borger3560b7e2022-10-27 12:20:29 -07002002 client->setRotateAndCropOverride(
Emilian Peev065b2c12021-11-23 13:12:57 -08002003 CameraServiceProxyWrapper::getRotateAndCropOverride(
2004 clientPackageName, facing, multiuser_get_user_id(clientUid)));
Eino-Ville Talvalaf2e37092020-01-07 15:32:32 -08002005 }
2006
Eino-Ville Talvala305cec62020-11-12 14:18:17 -08002007 // Set camera muting behavior
Valentin Iftimec0b8d472021-07-23 20:21:06 +02002008 bool isCameraPrivacyEnabled =
Evan Seversond0b69922022-01-27 10:47:34 -08002009 mSensorPrivacyPolicy->isCameraPrivacyEnabled();
Eino-Ville Talvala305cec62020-11-12 14:18:17 -08002010 if (client->supportsCameraMute()) {
Valentin Iftimec0b8d472021-07-23 20:21:06 +02002011 client->setCameraMute(
2012 mOverrideCameraMuteMode || isCameraPrivacyEnabled);
2013 } else if (isCameraPrivacyEnabled) {
2014 // no camera mute supported, but privacy is on! => disconnect
2015 ALOGI("Camera mute not supported for package: %s, camera id: %s",
2016 String8(client->getPackageName()).string(), cameraId.string());
2017 // Do not hold mServiceLock while disconnecting clients, but
2018 // retain the condition blocking other clients from connecting
2019 // in mServiceLockWrapper if held.
2020 mServiceLock.unlock();
2021 // Clear caller identity temporarily so client disconnect PID
2022 // checks work correctly
2023 int64_t token = CameraThreadState::clearCallingIdentity();
2024 // Note AppOp to trigger the "Unblock" dialog
2025 client->noteAppOp();
2026 client->disconnect();
2027 CameraThreadState::restoreCallingIdentity(token);
2028 // Reacquire mServiceLock
2029 mServiceLock.lock();
2030
2031 return STATUS_ERROR_FMT(ERROR_DISABLED,
2032 "Camera \"%s\" disabled due to camera mute", cameraId.string());
Eino-Ville Talvala305cec62020-11-12 14:18:17 -08002033 }
2034
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002035 if (shimUpdateOnly) {
2036 // If only updating legacy shim parameters, immediately disconnect client
2037 mServiceLock.unlock();
2038 client->disconnect();
2039 mServiceLock.lock();
2040 } else {
2041 // Otherwise, add client to active clients list
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08002042 finishConnectLocked(client, partial, oomScoreOffset, systemNativeClient);
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002043 }
Shuzhen Wangabbcb6b2020-12-09 22:32:44 -08002044
2045 client->setImageDumpMask(mImageDumpMask);
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002046 } // lock is destroyed, allow further connect calls
2047
2048 // Important: release the mutex here so the client can call back into the service from its
2049 // destructor (can be at the end of the call)
2050 device = client;
Shuzhen Wang316781a2020-08-18 18:11:01 -07002051
2052 int32_t openLatencyMs = ns2ms(systemTime() - openTimeNs);
2053 CameraServiceProxyWrapper::logOpen(cameraId, facing, clientPackageName,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08002054 effectiveApiLevel, isNonSystemNdk, openLatencyMs);
Shuzhen Wang316781a2020-08-18 18:11:01 -07002055
Cliff Wud3a05312021-04-26 23:07:31 +08002056 {
2057 Mutex::Autolock lock(mInjectionParametersLock);
2058 if (cameraId == mInjectionInternalCamId && mInjectionInitPending) {
2059 mInjectionInitPending = false;
2060 status_t res = NO_ERROR;
2061 auto clientDescriptor = mActiveClientManager.get(mInjectionInternalCamId);
2062 if (clientDescriptor != nullptr) {
Cliff Wu646bd612021-11-23 23:21:29 +08002063 sp<BasicClient> clientSp = clientDescriptor->getValue();
2064 res = checkIfInjectionCameraIsPresent(mInjectionExternalCamId, clientSp);
2065 if(res != OK) {
2066 return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
2067 "No camera device with ID \"%s\" currently available",
2068 mInjectionExternalCamId.string());
2069 }
2070 res = clientSp->injectCamera(mInjectionExternalCamId, mCameraProviderManager);
Cliff Wud3a05312021-04-26 23:07:31 +08002071 if (res != OK) {
2072 mInjectionStatusListener->notifyInjectionError(mInjectionExternalCamId, res);
2073 }
2074 } else {
2075 ALOGE("%s: Internal camera ID = %s 's client does not exist!",
2076 __FUNCTION__, mInjectionInternalCamId.string());
2077 res = NO_INIT;
2078 mInjectionStatusListener->notifyInjectionError(mInjectionExternalCamId, res);
2079 }
2080 }
2081 }
2082
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002083 return ret;
2084}
2085
Emilian Peevb2bc5a42019-11-20 16:02:14 -08002086status_t CameraService::addOfflineClient(String8 cameraId, sp<BasicClient> offlineClient) {
2087 if (offlineClient.get() == nullptr) {
2088 return BAD_VALUE;
2089 }
2090
2091 {
2092 // Acquire mServiceLock and prevent other clients from connecting
2093 std::unique_ptr<AutoConditionLock> lock =
2094 AutoConditionLock::waitAndAcquire(mServiceLockWrapper, DEFAULT_CONNECT_TIMEOUT_NS);
2095
2096 if (lock == nullptr) {
2097 ALOGE("%s: (PID %d) rejected (too many other clients connecting)."
2098 , __FUNCTION__, offlineClient->getClientPid());
2099 return TIMED_OUT;
2100 }
2101
2102 auto onlineClientDesc = mActiveClientManager.get(cameraId);
2103 if (onlineClientDesc.get() == nullptr) {
2104 ALOGE("%s: No active online client using camera id: %s", __FUNCTION__,
2105 cameraId.c_str());
2106 return BAD_VALUE;
2107 }
2108
2109 // Offline clients do not evict or conflict with other online devices. Resource sharing
2110 // conflicts are handled by the camera provider which will either succeed or fail before
2111 // reaching this method.
2112 const auto& onlinePriority = onlineClientDesc->getPriority();
2113 auto offlineClientDesc = CameraClientManager::makeClientDescriptor(
2114 kOfflineDevice + onlineClientDesc->getKey(), offlineClient, /*cost*/ 0,
2115 /*conflictingKeys*/ std::set<String8>(), onlinePriority.getScore(),
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00002116 onlineClientDesc->getOwnerId(), onlinePriority.getState(),
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08002117 // native clients don't have offline processing support.
2118 /*ommScoreOffset*/ 0, /*systemNativeClient*/false);
Emilian Peevb2bc5a42019-11-20 16:02:14 -08002119
2120 // Allow only one offline device per camera
2121 auto incompatibleClients = mActiveClientManager.getIncompatibleClients(offlineClientDesc);
2122 if (!incompatibleClients.empty()) {
2123 ALOGE("%s: Incompatible offline clients present!", __FUNCTION__);
2124 return BAD_VALUE;
2125 }
2126
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07002127 String8 monitorTags = isClientWatched(offlineClient.get()) ? mMonitorTags : String8("");
2128 auto err = offlineClient->initialize(mCameraProviderManager, monitorTags);
Emilian Peevb2bc5a42019-11-20 16:02:14 -08002129 if (err != OK) {
2130 ALOGE("%s: Could not initialize offline client.", __FUNCTION__);
2131 return err;
2132 }
2133
2134 auto evicted = mActiveClientManager.addAndEvict(offlineClientDesc);
2135 if (evicted.size() > 0) {
2136 for (auto& i : evicted) {
2137 ALOGE("%s: Invalid state: Offline client for camera %s was not removed ",
2138 __FUNCTION__, i->getKey().string());
2139 }
2140
2141 LOG_ALWAYS_FATAL("%s: Invalid state for CameraService, offline clients not evicted "
2142 "properly", __FUNCTION__);
2143
2144 return BAD_VALUE;
2145 }
2146
2147 logConnectedOffline(offlineClientDesc->getKey(),
2148 static_cast<int>(offlineClientDesc->getOwnerId()),
2149 String8(offlineClient->getPackageName()));
2150
2151 sp<IBinder> remoteCallback = offlineClient->getRemote();
2152 if (remoteCallback != nullptr) {
2153 remoteCallback->linkToDeath(this);
2154 }
2155 } // lock is destroyed, allow further connect calls
2156
2157 return OK;
2158}
2159
Rucha Katakwar38284522021-11-10 11:25:21 -08002160Status CameraService::turnOnTorchWithStrengthLevel(const String16& cameraId, int32_t torchStrength,
2161 const sp<IBinder>& clientBinder) {
2162 Mutex::Autolock lock(mServiceLock);
2163
2164 ATRACE_CALL();
2165 if (clientBinder == nullptr) {
2166 ALOGE("%s: torch client binder is NULL", __FUNCTION__);
2167 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT,
2168 "Torch client binder in null.");
2169 }
2170
2171 String8 id = String8(cameraId.string());
2172 int uid = CameraThreadState::getCallingUid();
2173
2174 if (shouldRejectSystemCameraConnection(id)) {
2175 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT, "Unable to change the strength level"
2176 "for system only device %s: ", id.string());
2177 }
2178
2179 // verify id is valid
2180 auto state = getCameraState(id);
2181 if (state == nullptr) {
2182 ALOGE("%s: camera id is invalid %s", __FUNCTION__, id.string());
2183 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
2184 "Camera ID \"%s\" is a not valid camera ID", id.string());
2185 }
2186
2187 StatusInternal cameraStatus = state->getStatus();
2188 if (cameraStatus != StatusInternal::NOT_AVAILABLE &&
2189 cameraStatus != StatusInternal::PRESENT) {
2190 ALOGE("%s: camera id is invalid %s, status %d", __FUNCTION__, id.string(),
2191 (int)cameraStatus);
2192 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
2193 "Camera ID \"%s\" is a not valid camera ID", id.string());
2194 }
2195
2196 {
2197 Mutex::Autolock al(mTorchStatusMutex);
2198 TorchModeStatus status;
2199 status_t err = getTorchStatusLocked(id, &status);
2200 if (err != OK) {
2201 if (err == NAME_NOT_FOUND) {
2202 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
2203 "Camera \"%s\" does not have a flash unit", id.string());
2204 }
2205 ALOGE("%s: getting current torch status failed for camera %s",
2206 __FUNCTION__, id.string());
2207 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
2208 "Error changing torch strength level for camera \"%s\": %s (%d)",
2209 id.string(), strerror(-err), err);
2210 }
2211
2212 if (status == TorchModeStatus::NOT_AVAILABLE) {
2213 if (cameraStatus == StatusInternal::NOT_AVAILABLE) {
2214 ALOGE("%s: torch mode of camera %s is not available because "
2215 "camera is in use.", __FUNCTION__, id.string());
2216 return STATUS_ERROR_FMT(ERROR_CAMERA_IN_USE,
2217 "Torch for camera \"%s\" is not available due to an existing camera user",
2218 id.string());
2219 } else {
2220 ALOGE("%s: torch mode of camera %s is not available due to "
2221 "insufficient resources", __FUNCTION__, id.string());
2222 return STATUS_ERROR_FMT(ERROR_MAX_CAMERAS_IN_USE,
2223 "Torch for camera \"%s\" is not available due to insufficient resources",
2224 id.string());
2225 }
2226 }
2227 }
2228
2229 {
2230 Mutex::Autolock al(mTorchUidMapMutex);
2231 updateTorchUidMapLocked(cameraId, uid);
2232 }
2233 // Check if the current torch strength level is same as the new one.
2234 bool shouldSkipTorchStrengthUpdates = mCameraProviderManager->shouldSkipTorchStrengthUpdate(
2235 id.string(), torchStrength);
2236
2237 status_t err = mFlashlight->turnOnTorchWithStrengthLevel(id, torchStrength);
2238
2239 if (err != OK) {
2240 int32_t errorCode;
2241 String8 msg;
2242 switch (err) {
2243 case -ENOSYS:
2244 msg = String8::format("Camera \"%s\" has no flashlight.",
2245 id.string());
2246 errorCode = ERROR_ILLEGAL_ARGUMENT;
2247 break;
2248 case -EBUSY:
2249 msg = String8::format("Camera \"%s\" is in use",
2250 id.string());
2251 errorCode = ERROR_CAMERA_IN_USE;
2252 break;
Rucha Katakwar922fa9c2022-02-25 17:46:49 -08002253 case -EINVAL:
2254 msg = String8::format("Torch strength level %d is not within the "
2255 "valid range.", torchStrength);
2256 errorCode = ERROR_ILLEGAL_ARGUMENT;
2257 break;
Rucha Katakwar38284522021-11-10 11:25:21 -08002258 default:
2259 msg = String8::format("Changing torch strength level failed.");
2260 errorCode = ERROR_INVALID_OPERATION;
Rucha Katakwar38284522021-11-10 11:25:21 -08002261 }
2262 ALOGE("%s: %s", __FUNCTION__, msg.string());
2263 return STATUS_ERROR(errorCode, msg.string());
2264 }
2265
2266 {
2267 // update the link to client's death
2268 // Store the last client that turns on each camera's torch mode.
2269 Mutex::Autolock al(mTorchClientMapMutex);
2270 ssize_t index = mTorchClientMap.indexOfKey(id);
2271 if (index == NAME_NOT_FOUND) {
2272 mTorchClientMap.add(id, clientBinder);
2273 } else {
2274 mTorchClientMap.valueAt(index)->unlinkToDeath(this);
2275 mTorchClientMap.replaceValueAt(index, clientBinder);
2276 }
2277 clientBinder->linkToDeath(this);
2278 }
2279
2280 int clientPid = CameraThreadState::getCallingPid();
2281 const char *id_cstr = id.c_str();
2282 ALOGI("%s: Torch strength for camera id %s changed to %d for client PID %d",
2283 __FUNCTION__, id_cstr, torchStrength, clientPid);
2284 if (!shouldSkipTorchStrengthUpdates) {
2285 broadcastTorchStrengthLevel(id, torchStrength);
2286 }
2287 return Status::ok();
2288}
2289
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002290Status CameraService::setTorchMode(const String16& cameraId, bool enabled,
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002291 const sp<IBinder>& clientBinder) {
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08002292 Mutex::Autolock lock(mServiceLock);
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002293
2294 ATRACE_CALL();
Ruben Brunk99e69712015-05-26 17:25:07 -07002295 if (enabled && clientBinder == nullptr) {
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002296 ALOGE("%s: torch client binder is NULL", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002297 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT,
2298 "Torch client Binder is null");
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002299 }
2300
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002301 String8 id = String8(cameraId.string());
Jayant Chowdhary12361932018-08-27 14:46:13 -07002302 int uid = CameraThreadState::getCallingUid();
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002303
Jayant Chowdhary8c62d892021-03-31 02:13:46 -07002304 if (shouldRejectSystemCameraConnection(id)) {
2305 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT, "Unable to set torch mode"
2306 " for system only device %s: ", id.string());
2307 }
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002308 // verify id is valid.
Ruben Brunkcc776712015-02-17 20:18:47 -08002309 auto state = getCameraState(id);
2310 if (state == nullptr) {
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07002311 ALOGE("%s: camera id is invalid %s", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002312 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
2313 "Camera ID \"%s\" is a not valid camera ID", id.string());
Ruben Brunkcc776712015-02-17 20:18:47 -08002314 }
2315
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002316 StatusInternal cameraStatus = state->getStatus();
2317 if (cameraStatus != StatusInternal::PRESENT &&
Yin-Chia Yeh52778d42016-12-22 18:20:43 -08002318 cameraStatus != StatusInternal::NOT_AVAILABLE) {
2319 ALOGE("%s: camera id is invalid %s, status %d", __FUNCTION__, id.string(), (int)cameraStatus);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002320 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
2321 "Camera ID \"%s\" is a not valid camera ID", id.string());
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002322 }
2323
2324 {
2325 Mutex::Autolock al(mTorchStatusMutex);
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002326 TorchModeStatus status;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002327 status_t err = getTorchStatusLocked(id, &status);
2328 if (err != OK) {
2329 if (err == NAME_NOT_FOUND) {
2330 return STATUS_ERROR_FMT(ERROR_ILLEGAL_ARGUMENT,
2331 "Camera \"%s\" does not have a flash unit", id.string());
2332 }
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002333 ALOGE("%s: getting current torch status failed for camera %s",
2334 __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002335 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION,
2336 "Error updating torch status for camera \"%s\": %s (%d)", id.string(),
2337 strerror(-err), err);
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002338 }
2339
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002340 if (status == TorchModeStatus::NOT_AVAILABLE) {
Yin-Chia Yeh52778d42016-12-22 18:20:43 -08002341 if (cameraStatus == StatusInternal::NOT_AVAILABLE) {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002342 ALOGE("%s: torch mode of camera %s is not available because "
2343 "camera is in use", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002344 return STATUS_ERROR_FMT(ERROR_CAMERA_IN_USE,
2345 "Torch for camera \"%s\" is not available due to an existing camera user",
2346 id.string());
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002347 } else {
2348 ALOGE("%s: torch mode of camera %s is not available due to "
2349 "insufficient resources", __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002350 return STATUS_ERROR_FMT(ERROR_MAX_CAMERAS_IN_USE,
2351 "Torch for camera \"%s\" is not available due to insufficient resources",
2352 id.string());
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002353 }
2354 }
2355 }
2356
Ruben Brunk99e69712015-05-26 17:25:07 -07002357 {
2358 // Update UID map - this is used in the torch status changed callbacks, so must be done
2359 // before setTorchMode
Chien-Yu Chenfe751be2015-09-01 14:16:44 -07002360 Mutex::Autolock al(mTorchUidMapMutex);
Rucha Katakwar38284522021-11-10 11:25:21 -08002361 updateTorchUidMapLocked(cameraId, uid);
Ruben Brunk99e69712015-05-26 17:25:07 -07002362 }
2363
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002364 status_t err = mFlashlight->setTorchMode(id, enabled);
Ruben Brunk99e69712015-05-26 17:25:07 -07002365
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002366 if (err != OK) {
2367 int32_t errorCode;
2368 String8 msg;
2369 switch (err) {
2370 case -ENOSYS:
2371 msg = String8::format("Camera \"%s\" has no flashlight",
2372 id.string());
2373 errorCode = ERROR_ILLEGAL_ARGUMENT;
2374 break;
Dijack Dongc8a6f252021-09-17 16:21:16 +08002375 case -EBUSY:
2376 msg = String8::format("Camera \"%s\" is in use",
2377 id.string());
2378 errorCode = ERROR_CAMERA_IN_USE;
2379 break;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002380 default:
2381 msg = String8::format(
2382 "Setting torch mode of camera \"%s\" to %d failed: %s (%d)",
2383 id.string(), enabled, strerror(-err), err);
2384 errorCode = ERROR_INVALID_OPERATION;
2385 }
2386 ALOGE("%s: %s", __FUNCTION__, msg.string());
Rucha Katakward9ea6452021-05-06 11:57:16 -07002387 logServiceError(msg,errorCode);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002388 return STATUS_ERROR(errorCode, msg.string());
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002389 }
2390
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002391 {
2392 // update the link to client's death
2393 Mutex::Autolock al(mTorchClientMapMutex);
2394 ssize_t index = mTorchClientMap.indexOfKey(id);
2395 if (enabled) {
2396 if (index == NAME_NOT_FOUND) {
2397 mTorchClientMap.add(id, clientBinder);
2398 } else {
Ruben Brunk99e69712015-05-26 17:25:07 -07002399 mTorchClientMap.valueAt(index)->unlinkToDeath(this);
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002400 mTorchClientMap.replaceValueAt(index, clientBinder);
2401 }
2402 clientBinder->linkToDeath(this);
2403 } else if (index != NAME_NOT_FOUND) {
Ruben Brunk99e69712015-05-26 17:25:07 -07002404 mTorchClientMap.valueAt(index)->unlinkToDeath(this);
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002405 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002406 }
2407
Jayant Chowdhary0e2eefd2019-04-18 14:05:43 -07002408 int clientPid = CameraThreadState::getCallingPid();
2409 const char *id_cstr = id.c_str();
2410 const char *torchState = enabled ? "on" : "off";
2411 ALOGI("Torch for camera id %s turned %s for client PID %d", id_cstr, torchState, clientPid);
2412 logTorchEvent(id_cstr, torchState , clientPid);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002413 return Status::ok();
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002414}
2415
Rucha Katakwar38284522021-11-10 11:25:21 -08002416void CameraService::updateTorchUidMapLocked(const String16& cameraId, int uid) {
2417 String8 id = String8(cameraId.string());
2418 if (mTorchUidMap.find(id) == mTorchUidMap.end()) {
2419 mTorchUidMap[id].first = uid;
2420 mTorchUidMap[id].second = uid;
2421 } else {
2422 // Set the pending UID
2423 mTorchUidMap[id].first = uid;
2424 }
2425}
2426
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002427Status CameraService::notifySystemEvent(int32_t eventId,
2428 const std::vector<int32_t>& args) {
Jeongik Chaaa5e64c2018-11-17 05:08:04 +09002429 const int pid = CameraThreadState::getCallingPid();
2430 const int selfPid = getpid();
2431
2432 // Permission checks
2433 if (pid != selfPid) {
2434 // Ensure we're being called by system_server, or similar process with
2435 // permissions to notify the camera service about system events
Jayant Chowdhary5216b212019-07-17 09:26:23 -07002436 if (!checkCallingPermission(sCameraSendSystemEventsPermission)) {
Jeongik Chaaa5e64c2018-11-17 05:08:04 +09002437 const int uid = CameraThreadState::getCallingUid();
2438 ALOGE("Permission Denial: cannot send updates to camera service about system"
2439 " events from pid=%d, uid=%d", pid, uid);
2440 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
Jeongik Chaaa1b8152018-11-21 10:02:25 +09002441 "No permission to send updates to camera service about system events"
2442 " from pid=%d, uid=%d", pid, uid);
Jeongik Chaaa5e64c2018-11-17 05:08:04 +09002443 }
2444 }
2445
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002446 ATRACE_CALL();
2447
Ruben Brunk36597b22015-03-20 22:15:57 -07002448 switch(eventId) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002449 case ICameraService::EVENT_USER_SWITCHED: {
Michael Grooverd1d435a2018-12-18 17:39:42 -08002450 // Try to register for UID and sensor privacy policy updates, in case we're recovering
Eino-Ville Talvala8abec3f2018-03-20 11:07:00 -07002451 // from a system server crash
2452 mUidPolicy->registerSelf();
Michael Grooverd1d435a2018-12-18 17:39:42 -08002453 mSensorPrivacyPolicy->registerSelf();
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002454 doUserSwitch(/*newUserIds*/ args);
Ruben Brunk36597b22015-03-20 22:15:57 -07002455 break;
2456 }
Valentin Iftime29e2e152021-08-13 15:17:33 +02002457 case ICameraService::EVENT_USB_DEVICE_ATTACHED:
2458 case ICameraService::EVENT_USB_DEVICE_DETACHED: {
Pawan Wagh99f44e22023-07-05 21:26:43 +00002459 if (args.size() != 1) {
2460 return Status::fromExceptionCode(Status::EX_ILLEGAL_ARGUMENT,
2461 "USB Device Event requires 1 argument");
2462 }
2463
Valentin Iftime29e2e152021-08-13 15:17:33 +02002464 // Notify CameraProviderManager for lazy HALs
2465 mCameraProviderManager->notifyUsbDeviceEvent(eventId,
2466 std::to_string(args[0]));
2467 break;
2468 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002469 case ICameraService::EVENT_NONE:
Ruben Brunk36597b22015-03-20 22:15:57 -07002470 default: {
2471 ALOGW("%s: Received invalid system event from system_server: %d", __FUNCTION__,
2472 eventId);
2473 break;
2474 }
2475 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002476 return Status::ok();
Ruben Brunk36597b22015-03-20 22:15:57 -07002477}
2478
Emilian Peev53722fa2019-02-22 17:47:20 -08002479void CameraService::notifyMonitoredUids() {
2480 Mutex::Autolock lock(mStatusListenerLock);
2481
2482 for (const auto& it : mListenerList) {
Jayant Chowdhary5216b212019-07-17 09:26:23 -07002483 auto ret = it->getListener()->onCameraAccessPrioritiesChanged();
Emilian Peev53722fa2019-02-22 17:47:20 -08002484 if (!ret.isOk()) {
2485 ALOGE("%s: Failed to trigger permission callback: %d", __FUNCTION__,
2486 ret.exceptionCode());
2487 }
2488 }
2489}
2490
Eino-Ville Talvala63f36112018-12-06 14:57:03 -08002491Status CameraService::notifyDeviceStateChange(int64_t newState) {
2492 const int pid = CameraThreadState::getCallingPid();
2493 const int selfPid = getpid();
2494
2495 // Permission checks
2496 if (pid != selfPid) {
2497 // Ensure we're being called by system_server, or similar process with
2498 // permissions to notify the camera service about system events
Jayant Chowdhary5216b212019-07-17 09:26:23 -07002499 if (!checkCallingPermission(sCameraSendSystemEventsPermission)) {
Eino-Ville Talvala63f36112018-12-06 14:57:03 -08002500 const int uid = CameraThreadState::getCallingUid();
2501 ALOGE("Permission Denial: cannot send updates to camera service about device"
2502 " state changes from pid=%d, uid=%d", pid, uid);
2503 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
2504 "No permission to send updates to camera service about device state"
2505 " changes from pid=%d, uid=%d", pid, uid);
2506 }
2507 }
2508
2509 ATRACE_CALL();
2510
Austin Borger3560b7e2022-10-27 12:20:29 -07002511 {
2512 Mutex::Autolock lock(mServiceLock);
2513 mDeviceState = newState;
2514 }
2515
Jayant Chowdhary0bd38522021-11-05 17:49:27 -07002516 mCameraProviderManager->notifyDeviceStateChange(newState);
Eino-Ville Talvala63f36112018-12-06 14:57:03 -08002517
2518 return Status::ok();
2519}
2520
Emilian Peev8b64f282021-03-25 16:49:57 -07002521Status CameraService::notifyDisplayConfigurationChange() {
2522 ATRACE_CALL();
2523 const int callingPid = CameraThreadState::getCallingPid();
2524 const int selfPid = getpid();
2525
2526 // Permission checks
2527 if (callingPid != selfPid) {
2528 // Ensure we're being called by system_server, or similar process with
2529 // permissions to notify the camera service about system events
2530 if (!checkCallingPermission(sCameraSendSystemEventsPermission)) {
2531 const int uid = CameraThreadState::getCallingUid();
2532 ALOGE("Permission Denial: cannot send updates to camera service about orientation"
2533 " changes from pid=%d, uid=%d", callingPid, uid);
2534 return STATUS_ERROR_FMT(ERROR_PERMISSION_DENIED,
2535 "No permission to send updates to camera service about orientation"
2536 " changes from pid=%d, uid=%d", callingPid, uid);
2537 }
2538 }
2539
2540 Mutex::Autolock lock(mServiceLock);
2541
2542 // Don't do anything if rotate-and-crop override via cmd is active
2543 if (mOverrideRotateAndCropMode != ANDROID_SCALER_ROTATE_AND_CROP_AUTO) return Status::ok();
2544
2545 const auto clients = mActiveClientManager.getAll();
2546 for (auto& current : clients) {
2547 if (current != nullptr) {
2548 const auto basicClient = current->getValue();
Austin Borger3560b7e2022-10-27 12:20:29 -07002549 if (basicClient.get() != nullptr && !basicClient->getOverrideToPortrait()) {
2550 basicClient->setRotateAndCropOverride(
2551 CameraServiceProxyWrapper::getRotateAndCropOverride(
2552 basicClient->getPackageName(),
2553 basicClient->getCameraFacing(),
2554 multiuser_get_user_id(basicClient->getClientUid())));
Emilian Peev8b64f282021-03-25 16:49:57 -07002555 }
2556 }
2557 }
2558
2559 return Status::ok();
2560}
2561
2562Status CameraService::getConcurrentCameraIds(
Jayant Chowdhary2bbdce42020-01-12 14:55:41 -08002563 std::vector<ConcurrentCameraIdCombination>* concurrentCameraIds) {
2564 ATRACE_CALL();
2565 if (!concurrentCameraIds) {
2566 ALOGE("%s: concurrentCameraIds is NULL", __FUNCTION__);
2567 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "concurrentCameraIds is NULL");
2568 }
2569
2570 if (!mInitialized) {
2571 ALOGE("%s: Camera HAL couldn't be initialized", __FUNCTION__);
Rucha Katakward9ea6452021-05-06 11:57:16 -07002572 logServiceError(String8::format("Camera subsystem is not available"),ERROR_DISCONNECTED);
Jayant Chowdhary2bbdce42020-01-12 14:55:41 -08002573 return STATUS_ERROR(ERROR_DISCONNECTED,
2574 "Camera subsystem is not available");
2575 }
2576 // First call into the provider and get the set of concurrent camera
2577 // combinations
2578 std::vector<std::unordered_set<std::string>> concurrentCameraCombinations =
Jayant Chowdharycad23c22020-03-10 15:04:59 -07002579 mCameraProviderManager->getConcurrentCameraIds();
Jayant Chowdhary2bbdce42020-01-12 14:55:41 -08002580 for (auto &combination : concurrentCameraCombinations) {
2581 std::vector<std::string> validCombination;
2582 for (auto &cameraId : combination) {
2583 // if the camera state is not present, skip
2584 String8 cameraIdStr(cameraId.c_str());
2585 auto state = getCameraState(cameraIdStr);
2586 if (state == nullptr) {
2587 ALOGW("%s: camera id %s does not exist", __FUNCTION__, cameraId.c_str());
2588 continue;
2589 }
2590 StatusInternal status = state->getStatus();
2591 if (status == StatusInternal::NOT_PRESENT || status == StatusInternal::ENUMERATING) {
2592 continue;
2593 }
2594 if (shouldRejectSystemCameraConnection(cameraIdStr)) {
2595 continue;
2596 }
2597 validCombination.push_back(cameraId);
2598 }
2599 if (validCombination.size() != 0) {
2600 concurrentCameraIds->push_back(std::move(validCombination));
2601 }
2602 }
2603 return Status::ok();
2604}
2605
2606Status CameraService::isConcurrentSessionConfigurationSupported(
2607 const std::vector<CameraIdAndSessionConfiguration>& cameraIdsAndSessionConfigurations,
Shuzhen Wangd4abdf72021-05-28 11:22:50 -07002608 int targetSdkVersion, /*out*/bool* isSupported) {
Jayant Chowdhary2bbdce42020-01-12 14:55:41 -08002609 if (!isSupported) {
2610 ALOGE("%s: isSupported is NULL", __FUNCTION__);
2611 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "isSupported is NULL");
2612 }
2613
2614 if (!mInitialized) {
2615 ALOGE("%s: Camera HAL couldn't be initialized", __FUNCTION__);
2616 return STATUS_ERROR(ERROR_DISCONNECTED,
2617 "Camera subsystem is not available");
2618 }
2619
2620 // Check for camera permissions
2621 int callingPid = CameraThreadState::getCallingPid();
2622 int callingUid = CameraThreadState::getCallingUid();
2623 if ((callingPid != getpid()) && !checkPermission(sCameraPermission, callingPid, callingUid)) {
2624 ALOGE("%s: pid %d doesn't have camera permissions", __FUNCTION__, callingPid);
2625 return STATUS_ERROR(ERROR_PERMISSION_DENIED,
2626 "android.permission.CAMERA needed to call"
2627 "isConcurrentSessionConfigurationSupported");
2628 }
2629
2630 status_t res =
2631 mCameraProviderManager->isConcurrentSessionConfigurationSupported(
Shuzhen Wangd4abdf72021-05-28 11:22:50 -07002632 cameraIdsAndSessionConfigurations, mPerfClassPrimaryCameraIds,
2633 targetSdkVersion, isSupported);
Jayant Chowdhary2bbdce42020-01-12 14:55:41 -08002634 if (res != OK) {
Rucha Katakward9ea6452021-05-06 11:57:16 -07002635 logServiceError(String8::format("Unable to query session configuration support"),
2636 ERROR_INVALID_OPERATION);
Jayant Chowdhary2bbdce42020-01-12 14:55:41 -08002637 return STATUS_ERROR_FMT(ERROR_INVALID_OPERATION, "Unable to query session configuration "
2638 "support %s (%d)", strerror(-res), res);
2639 }
2640 return Status::ok();
2641}
2642
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002643Status CameraService::addListener(const sp<ICameraServiceListener>& listener,
2644 /*out*/
2645 std::vector<hardware::CameraStatus> *cameraStatuses) {
Jayant Chowdharyf949ddd2019-01-29 14:34:11 -08002646 return addListenerHelper(listener, cameraStatuses);
2647}
2648
Jayant Chowdhary32ced0e2021-04-09 14:00:22 -07002649binder::Status CameraService::addListenerTest(const sp<hardware::ICameraServiceListener>& listener,
2650 std::vector<hardware::CameraStatus>* cameraStatuses) {
2651 return addListenerHelper(listener, cameraStatuses, false, true);
2652}
2653
Jayant Chowdharyf949ddd2019-01-29 14:34:11 -08002654Status CameraService::addListenerHelper(const sp<ICameraServiceListener>& listener,
2655 /*out*/
2656 std::vector<hardware::CameraStatus> *cameraStatuses,
Jayant Chowdhary32ced0e2021-04-09 14:00:22 -07002657 bool isVendorListener, bool isProcessLocalTest) {
Jayant Chowdharyf949ddd2019-01-29 14:34:11 -08002658
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002659 ATRACE_CALL();
2660
Igor Murashkinbfc99152013-02-27 12:55:20 -08002661 ALOGV("%s: Add listener %p", __FUNCTION__, listener.get());
Igor Murashkin634a5152013-02-20 17:15:11 -08002662
Ruben Brunk3450ba72015-06-16 11:00:37 -07002663 if (listener == nullptr) {
Igor Murashkinbd3e2e02014-03-17 13:01:41 -07002664 ALOGE("%s: Listener must not be null", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002665 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Null listener given to addListener");
Igor Murashkinbd3e2e02014-03-17 13:01:41 -07002666 }
2667
Jayant Chowdhary5216b212019-07-17 09:26:23 -07002668 auto clientUid = CameraThreadState::getCallingUid();
2669 auto clientPid = CameraThreadState::getCallingPid();
Shuzhen Wang695044d2020-03-06 09:02:23 -08002670 bool openCloseCallbackAllowed = checkPermission(sCameraOpenCloseListenerPermission,
Jayant Chowdharyc3198c32021-07-28 20:59:14 +00002671 clientPid, clientUid, /*logPermissionFailure*/false);
Jayant Chowdhary5216b212019-07-17 09:26:23 -07002672
Igor Murashkinbfc99152013-02-27 12:55:20 -08002673 Mutex::Autolock lock(mServiceLock);
2674
Ruben Brunkcc776712015-02-17 20:18:47 -08002675 {
2676 Mutex::Autolock lock(mStatusListenerLock);
Emilian Peev53722fa2019-02-22 17:47:20 -08002677 for (const auto &it : mListenerList) {
Jayant Chowdhary5216b212019-07-17 09:26:23 -07002678 if (IInterface::asBinder(it->getListener()) == IInterface::asBinder(listener)) {
Ruben Brunkcc776712015-02-17 20:18:47 -08002679 ALOGW("%s: Tried to add listener %p which was already subscribed",
2680 __FUNCTION__, listener.get());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002681 return STATUS_ERROR(ERROR_ALREADY_EXISTS, "Listener already registered");
Ruben Brunkcc776712015-02-17 20:18:47 -08002682 }
Igor Murashkinbfc99152013-02-27 12:55:20 -08002683 }
Ruben Brunkcc776712015-02-17 20:18:47 -08002684
Jayant Chowdhary5216b212019-07-17 09:26:23 -07002685 sp<ServiceListener> serviceListener =
Shuzhen Wang695044d2020-03-06 09:02:23 -08002686 new ServiceListener(this, listener, clientUid, clientPid, isVendorListener,
2687 openCloseCallbackAllowed);
Jayant Chowdhary32ced0e2021-04-09 14:00:22 -07002688 auto ret = serviceListener->initialize(isProcessLocalTest);
Emilian Peev53722fa2019-02-22 17:47:20 -08002689 if (ret != NO_ERROR) {
2690 String8 msg = String8::format("Failed to initialize service listener: %s (%d)",
2691 strerror(-ret), ret);
Rucha Katakward9ea6452021-05-06 11:57:16 -07002692 logServiceError(msg,ERROR_ILLEGAL_ARGUMENT);
Emilian Peev53722fa2019-02-22 17:47:20 -08002693 ALOGE("%s: %s", __FUNCTION__, msg.string());
2694 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, msg.string());
2695 }
Jayant Chowdhary5216b212019-07-17 09:26:23 -07002696 // The listener still needs to be added to the list of listeners, regardless of what
2697 // permissions the listener process has / whether it is a vendor listener. Since it might be
2698 // eligible to listen to other camera ids.
2699 mListenerList.emplace_back(serviceListener);
Emilian Peev53722fa2019-02-22 17:47:20 -08002700 mUidPolicy->registerMonitorUid(clientUid);
Igor Murashkinbfc99152013-02-27 12:55:20 -08002701 }
2702
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002703 /* Collect current devices and status */
Igor Murashkincba2c162013-03-20 15:56:31 -07002704 {
Ruben Brunkcc776712015-02-17 20:18:47 -08002705 Mutex::Autolock lock(mCameraStatesLock);
2706 for (auto& i : mCameraStates) {
Shuzhen Wang43858162020-01-10 13:42:15 -08002707 cameraStatuses->emplace_back(i.first,
Shuzhen Wange7aa0342021-08-03 11:29:47 -07002708 mapToInterface(i.second->getStatus()), i.second->getUnavailablePhysicalIds(),
2709 openCloseCallbackAllowed ? i.second->getClientPackage() : String8::empty());
Igor Murashkincba2c162013-03-20 15:56:31 -07002710 }
2711 }
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -07002712 // Remove the camera statuses that should be hidden from the client, we do
2713 // this after collecting the states in order to avoid holding
2714 // mCameraStatesLock and mInterfaceLock (held in getSystemCameraKind()) at
2715 // the same time.
2716 cameraStatuses->erase(std::remove_if(cameraStatuses->begin(), cameraStatuses->end(),
2717 [this, &isVendorListener, &clientPid, &clientUid](const hardware::CameraStatus& s) {
2718 SystemCameraKind deviceKind = SystemCameraKind::PUBLIC;
2719 if (getSystemCameraKind(s.cameraId, &deviceKind) != OK) {
2720 ALOGE("%s: Invalid camera id %s, skipping status update",
2721 __FUNCTION__, s.cameraId.c_str());
2722 return true;
2723 }
2724 return shouldSkipStatusUpdates(deviceKind, isVendorListener, clientPid,
2725 clientUid);}), cameraStatuses->end());
2726
Jayant Chowdhary8c62d892021-03-31 02:13:46 -07002727 //cameraStatuses will have non-eligible camera ids removed.
2728 std::set<String16> idsChosenForCallback;
2729 for (const auto &s : *cameraStatuses) {
2730 idsChosenForCallback.insert(String16(s.cameraId));
2731 }
Igor Murashkincba2c162013-03-20 15:56:31 -07002732
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002733 /*
2734 * Immediately signal current torch status to this listener only
2735 * This may be a subset of all the devices, so don't include it in the response directly
2736 */
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002737 {
2738 Mutex::Autolock al(mTorchStatusMutex);
2739 for (size_t i = 0; i < mTorchStatusMap.size(); i++ ) {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08002740 String16 id = String16(mTorchStatusMap.keyAt(i).string());
Jayant Chowdhary8c62d892021-03-31 02:13:46 -07002741 // The camera id is visible to the client. Fine to send torch
2742 // callback.
2743 if (idsChosenForCallback.find(id) != idsChosenForCallback.end()) {
2744 listener->onTorchStatusChanged(mapToInterface(mTorchStatusMap.valueAt(i)), id);
2745 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002746 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -08002747 }
2748
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002749 return Status::ok();
Igor Murashkinbfc99152013-02-27 12:55:20 -08002750}
Ruben Brunkcc776712015-02-17 20:18:47 -08002751
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002752Status CameraService::removeListener(const sp<ICameraServiceListener>& listener) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002753 ATRACE_CALL();
2754
Igor Murashkinbfc99152013-02-27 12:55:20 -08002755 ALOGV("%s: Remove listener %p", __FUNCTION__, listener.get());
2756
Igor Murashkinbd3e2e02014-03-17 13:01:41 -07002757 if (listener == 0) {
2758 ALOGE("%s: Listener must not be null", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002759 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Null listener given to removeListener");
Igor Murashkinbd3e2e02014-03-17 13:01:41 -07002760 }
2761
Igor Murashkinbfc99152013-02-27 12:55:20 -08002762 Mutex::Autolock lock(mServiceLock);
2763
Ruben Brunkcc776712015-02-17 20:18:47 -08002764 {
2765 Mutex::Autolock lock(mStatusListenerLock);
2766 for (auto it = mListenerList.begin(); it != mListenerList.end(); it++) {
Jayant Chowdhary5216b212019-07-17 09:26:23 -07002767 if (IInterface::asBinder((*it)->getListener()) == IInterface::asBinder(listener)) {
2768 mUidPolicy->unregisterMonitorUid((*it)->getListenerUid());
2769 IInterface::asBinder(listener)->unlinkToDeath(*it);
Ruben Brunkcc776712015-02-17 20:18:47 -08002770 mListenerList.erase(it);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002771 return Status::ok();
Ruben Brunkcc776712015-02-17 20:18:47 -08002772 }
Igor Murashkinbfc99152013-02-27 12:55:20 -08002773 }
2774 }
2775
2776 ALOGW("%s: Tried to remove a listener %p which was not subscribed",
2777 __FUNCTION__, listener.get());
2778
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002779 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Unregistered listener given to removeListener");
Igor Murashkin634a5152013-02-20 17:15:11 -08002780}
2781
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002782Status CameraService::getLegacyParameters(int cameraId, /*out*/String16* parameters) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002783
2784 ATRACE_CALL();
Igor Murashkin65d14b92014-06-17 12:03:20 -07002785 ALOGV("%s: for camera ID = %d", __FUNCTION__, cameraId);
2786
2787 if (parameters == NULL) {
2788 ALOGE("%s: parameters must not be null", __FUNCTION__);
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002789 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, "Parameters must not be null");
Igor Murashkin65d14b92014-06-17 12:03:20 -07002790 }
2791
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002792 Status ret = Status::ok();
Igor Murashkin65d14b92014-06-17 12:03:20 -07002793
2794 CameraParameters shimParams;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002795 if (!(ret = getLegacyParametersLazy(cameraId, /*out*/&shimParams)).isOk()) {
Igor Murashkin65d14b92014-06-17 12:03:20 -07002796 // Error logged by caller
2797 return ret;
2798 }
2799
2800 String8 shimParamsString8 = shimParams.flatten();
2801 String16 shimParamsString16 = String16(shimParamsString8);
2802
2803 *parameters = shimParamsString16;
2804
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002805 return ret;
Igor Murashkin65d14b92014-06-17 12:03:20 -07002806}
2807
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08002808Status CameraService::supportsCameraApi(const String16& cameraId, int apiVersion,
2809 /*out*/ bool *isSupported) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07002810 ATRACE_CALL();
2811
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08002812 const String8 id = String8(cameraId);
2813
2814 ALOGV("%s: for camera ID = %s", __FUNCTION__, id.string());
Igor Murashkin65d14b92014-06-17 12:03:20 -07002815
2816 switch (apiVersion) {
2817 case API_VERSION_1:
2818 case API_VERSION_2:
2819 break;
2820 default:
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002821 String8 msg = String8::format("Unknown API version %d", apiVersion);
2822 ALOGE("%s: %s", __FUNCTION__, msg.string());
2823 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, msg.string());
Igor Murashkin65d14b92014-06-17 12:03:20 -07002824 }
2825
Austin Borger3560b7e2022-10-27 12:20:29 -07002826 int portraitRotation;
2827 auto deviceVersionAndTransport = getDeviceVersion(id, false, &portraitRotation);
Jayant Chowdharyffc5d682022-05-12 18:34:34 +00002828 if (deviceVersionAndTransport.first == -1) {
2829 String8 msg = String8::format("Unknown camera ID %s", id.string());
2830 ALOGE("%s: %s", __FUNCTION__, msg.string());
2831 return STATUS_ERROR(ERROR_ILLEGAL_ARGUMENT, msg.string());
2832 }
2833 if (deviceVersionAndTransport.second == IPCTransport::HIDL) {
2834 int deviceVersion = deviceVersionAndTransport.first;
2835 switch (deviceVersion) {
2836 case CAMERA_DEVICE_API_VERSION_1_0:
2837 case CAMERA_DEVICE_API_VERSION_3_0:
2838 case CAMERA_DEVICE_API_VERSION_3_1:
2839 if (apiVersion == API_VERSION_2) {
2840 ALOGV("%s: Camera id %s uses HAL version %d <3.2, doesn't support api2 without "
2841 "shim", __FUNCTION__, id.string(), deviceVersion);
2842 *isSupported = false;
2843 } else { // if (apiVersion == API_VERSION_1) {
2844 ALOGV("%s: Camera id %s uses older HAL before 3.2, but api1 is always "
2845 "supported", __FUNCTION__, id.string());
2846 *isSupported = true;
2847 }
2848 break;
2849 case CAMERA_DEVICE_API_VERSION_3_2:
2850 case CAMERA_DEVICE_API_VERSION_3_3:
2851 case CAMERA_DEVICE_API_VERSION_3_4:
2852 case CAMERA_DEVICE_API_VERSION_3_5:
2853 case CAMERA_DEVICE_API_VERSION_3_6:
2854 case CAMERA_DEVICE_API_VERSION_3_7:
2855 ALOGV("%s: Camera id %s uses HAL3.2 or newer, supports api1/api2 directly",
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08002856 __FUNCTION__, id.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002857 *isSupported = true;
Jayant Chowdharyffc5d682022-05-12 18:34:34 +00002858 break;
2859 default: {
2860 String8 msg = String8::format("Unknown device version %x for device %s",
2861 deviceVersion, id.string());
2862 ALOGE("%s: %s", __FUNCTION__, msg.string());
2863 return STATUS_ERROR(ERROR_INVALID_OPERATION, msg.string());
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002864 }
Igor Murashkin65d14b92014-06-17 12:03:20 -07002865 }
Jayant Chowdharyffc5d682022-05-12 18:34:34 +00002866 } else {
2867 *isSupported = true;
Igor Murashkin65d14b92014-06-17 12:03:20 -07002868 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002869 return Status::ok();
Igor Murashkin65d14b92014-06-17 12:03:20 -07002870}
2871
Shuzhen Wangf9d2c022018-08-21 12:07:35 -07002872Status CameraService::isHiddenPhysicalCamera(const String16& cameraId,
2873 /*out*/ bool *isSupported) {
2874 ATRACE_CALL();
2875
2876 const String8 id = String8(cameraId);
2877
2878 ALOGV("%s: for camera ID = %s", __FUNCTION__, id.string());
2879 *isSupported = mCameraProviderManager->isHiddenPhysicalCamera(id.string());
2880
2881 return Status::ok();
2882}
2883
Cliff Wud8cae102021-03-11 01:37:42 +08002884Status CameraService::injectCamera(
2885 const String16& packageName, const String16& internalCamId,
2886 const String16& externalCamId,
2887 const sp<ICameraInjectionCallback>& callback,
2888 /*out*/
Cliff Wud3a05312021-04-26 23:07:31 +08002889 sp<ICameraInjectionSession>* cameraInjectionSession) {
Cliff Wud8cae102021-03-11 01:37:42 +08002890 ATRACE_CALL();
2891
2892 if (!checkCallingPermission(sCameraInjectExternalCameraPermission)) {
2893 const int pid = CameraThreadState::getCallingPid();
2894 const int uid = CameraThreadState::getCallingUid();
2895 ALOGE("Permission Denial: can't inject camera pid=%d, uid=%d", pid, uid);
2896 return STATUS_ERROR(ERROR_PERMISSION_DENIED,
2897 "Permission Denial: no permission to inject camera");
2898 }
2899
2900 ALOGV(
2901 "%s: Package name = %s, Internal camera ID = %s, External camera ID = "
2902 "%s",
2903 __FUNCTION__, String8(packageName).string(),
2904 String8(internalCamId).string(), String8(externalCamId).string());
2905
Cliff Wud3a05312021-04-26 23:07:31 +08002906 {
2907 Mutex::Autolock lock(mInjectionParametersLock);
2908 mInjectionInternalCamId = String8(internalCamId);
2909 mInjectionExternalCamId = String8(externalCamId);
Cliff Wu646bd612021-11-23 23:21:29 +08002910 mInjectionStatusListener->addListener(callback);
2911 *cameraInjectionSession = new CameraInjectionSession(this);
Cliff Wud3a05312021-04-26 23:07:31 +08002912 status_t res = NO_ERROR;
2913 auto clientDescriptor = mActiveClientManager.get(mInjectionInternalCamId);
2914 // If the client already exists, we can directly connect to the camera device through the
2915 // client's injectCamera(), otherwise we need to wait until the client is established
2916 // (execute connectHelper()) before injecting the camera to the camera device.
2917 if (clientDescriptor != nullptr) {
2918 mInjectionInitPending = false;
Cliff Wu646bd612021-11-23 23:21:29 +08002919 sp<BasicClient> clientSp = clientDescriptor->getValue();
2920 res = checkIfInjectionCameraIsPresent(mInjectionExternalCamId, clientSp);
2921 if(res != OK) {
2922 return STATUS_ERROR_FMT(ERROR_DISCONNECTED,
2923 "No camera device with ID \"%s\" currently available",
2924 mInjectionExternalCamId.string());
2925 }
2926 res = clientSp->injectCamera(mInjectionExternalCamId, mCameraProviderManager);
Cliff Wud3a05312021-04-26 23:07:31 +08002927 if(res != OK) {
2928 mInjectionStatusListener->notifyInjectionError(mInjectionExternalCamId, res);
2929 }
2930 } else {
2931 mInjectionInitPending = true;
2932 }
2933 }
Cliff Wud8cae102021-03-11 01:37:42 +08002934
Cliff Wud3a05312021-04-26 23:07:31 +08002935 return binder::Status::ok();
Cliff Wud8cae102021-03-11 01:37:42 +08002936}
2937
Ruben Brunkcc776712015-02-17 20:18:47 -08002938void CameraService::removeByClient(const BasicClient* client) {
Igor Murashkinecf17e82012-10-02 16:05:11 -07002939 Mutex::Autolock lock(mServiceLock);
Ruben Brunkcc776712015-02-17 20:18:47 -08002940 for (auto& i : mActiveClientManager.getAll()) {
2941 auto clientSp = i->getValue();
2942 if (clientSp.get() == client) {
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07002943 cacheClientTagDumpIfNeeded(client->mCameraIdStr, clientSp.get());
Ruben Brunkcc776712015-02-17 20:18:47 -08002944 mActiveClientManager.remove(i);
Igor Murashkin634a5152013-02-20 17:15:11 -08002945 }
Igor Murashkinecf17e82012-10-02 16:05:11 -07002946 }
Yin-Chia Yehdba03232019-08-19 15:54:28 -07002947 updateAudioRestrictionLocked();
Igor Murashkin634a5152013-02-20 17:15:11 -08002948}
2949
Ruben Brunkcc776712015-02-17 20:18:47 -08002950bool CameraService::evictClientIdByRemote(const wp<IBinder>& remote) {
Ruben Brunkcc776712015-02-17 20:18:47 -08002951 bool ret = false;
2952 {
2953 // Acquire mServiceLock and prevent other clients from connecting
2954 std::unique_ptr<AutoConditionLock> lock =
2955 AutoConditionLock::waitAndAcquire(mServiceLockWrapper);
Igor Murashkin634a5152013-02-20 17:15:11 -08002956
Igor Murashkin634a5152013-02-20 17:15:11 -08002957
Ruben Brunkcc776712015-02-17 20:18:47 -08002958 std::vector<sp<BasicClient>> evicted;
2959 for (auto& i : mActiveClientManager.getAll()) {
2960 auto clientSp = i->getValue();
2961 if (clientSp.get() == nullptr) {
2962 ALOGE("%s: Dead client still in mActiveClientManager.", __FUNCTION__);
2963 mActiveClientManager.remove(i);
2964 continue;
2965 }
Yin-Chia Yehdbfcb382018-02-16 11:17:36 -08002966 if (remote == clientSp->getRemote()) {
Ruben Brunkcc776712015-02-17 20:18:47 -08002967 mActiveClientManager.remove(i);
2968 evicted.push_back(clientSp);
Igor Murashkin634a5152013-02-20 17:15:11 -08002969
Ruben Brunkcc776712015-02-17 20:18:47 -08002970 // Notify the client of disconnection
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08002971 clientSp->notifyError(
2972 hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED,
Ruben Brunkcc776712015-02-17 20:18:47 -08002973 CaptureResultExtras());
Igor Murashkin634a5152013-02-20 17:15:11 -08002974 }
2975 }
2976
Ruben Brunkcc776712015-02-17 20:18:47 -08002977 // Do not hold mServiceLock while disconnecting clients, but retain the condition blocking
2978 // other clients from connecting in mServiceLockWrapper if held
2979 mServiceLock.unlock();
2980
Ruben Brunk36597b22015-03-20 22:15:57 -07002981 // Do not clear caller identity, remote caller should be client proccess
2982
Ruben Brunkcc776712015-02-17 20:18:47 -08002983 for (auto& i : evicted) {
2984 if (i.get() != nullptr) {
2985 i->disconnect();
2986 ret = true;
2987 }
Igor Murashkin634a5152013-02-20 17:15:11 -08002988 }
2989
Ruben Brunkcc776712015-02-17 20:18:47 -08002990 // Reacquire mServiceLock
2991 mServiceLock.lock();
Igor Murashkin634a5152013-02-20 17:15:11 -08002992
Ruben Brunkcc776712015-02-17 20:18:47 -08002993 } // lock is destroyed, allow further connect calls
2994
2995 return ret;
Igor Murashkinecf17e82012-10-02 16:05:11 -07002996}
2997
Ruben Brunkcc776712015-02-17 20:18:47 -08002998std::shared_ptr<CameraService::CameraState> CameraService::getCameraState(
2999 const String8& cameraId) const {
3000 std::shared_ptr<CameraState> state;
3001 {
3002 Mutex::Autolock lock(mCameraStatesLock);
3003 auto iter = mCameraStates.find(cameraId);
3004 if (iter != mCameraStates.end()) {
3005 state = iter->second;
Mathias Agopian65ab4712010-07-14 17:59:35 -07003006 }
3007 }
Ruben Brunkcc776712015-02-17 20:18:47 -08003008 return state;
Mathias Agopian65ab4712010-07-14 17:59:35 -07003009}
3010
Ruben Brunkcc776712015-02-17 20:18:47 -08003011sp<CameraService::BasicClient> CameraService::removeClientLocked(const String8& cameraId) {
3012 // Remove from active clients list
3013 auto clientDescriptorPtr = mActiveClientManager.remove(cameraId);
3014 if (clientDescriptorPtr == nullptr) {
3015 ALOGW("%s: Could not evict client, no client for camera ID %s", __FUNCTION__,
3016 cameraId.string());
3017 return sp<BasicClient>{nullptr};
3018 }
3019
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07003020 sp<BasicClient> client = clientDescriptorPtr->getValue();
3021 if (client.get() != nullptr) {
3022 cacheClientTagDumpIfNeeded(clientDescriptorPtr->getKey(), client.get());
3023 }
3024 return client;
Keun young Parkd8973a72012-03-28 14:13:09 -07003025}
3026
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003027void CameraService::doUserSwitch(const std::vector<int32_t>& newUserIds) {
Ruben Brunk36597b22015-03-20 22:15:57 -07003028 // Acquire mServiceLock and prevent other clients from connecting
3029 std::unique_ptr<AutoConditionLock> lock =
3030 AutoConditionLock::waitAndAcquire(mServiceLockWrapper);
3031
Ruben Brunk6267b532015-04-30 17:44:07 -07003032 std::set<userid_t> newAllowedUsers;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003033 for (size_t i = 0; i < newUserIds.size(); i++) {
3034 if (newUserIds[i] < 0) {
Ruben Brunk6267b532015-04-30 17:44:07 -07003035 ALOGE("%s: Bad user ID %d given during user switch, ignoring.",
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003036 __FUNCTION__, newUserIds[i]);
Ruben Brunk6267b532015-04-30 17:44:07 -07003037 return;
3038 }
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003039 newAllowedUsers.insert(static_cast<userid_t>(newUserIds[i]));
Ruben Brunk36597b22015-03-20 22:15:57 -07003040 }
3041
Ruben Brunka8ca9152015-04-07 14:23:40 -07003042
Ruben Brunk6267b532015-04-30 17:44:07 -07003043 if (newAllowedUsers == mAllowedUsers) {
3044 ALOGW("%s: Received notification of user switch with no updated user IDs.", __FUNCTION__);
3045 return;
3046 }
3047
3048 logUserSwitch(mAllowedUsers, newAllowedUsers);
3049
3050 mAllowedUsers = std::move(newAllowedUsers);
Ruben Brunk36597b22015-03-20 22:15:57 -07003051
3052 // Current user has switched, evict all current clients.
3053 std::vector<sp<BasicClient>> evicted;
3054 for (auto& i : mActiveClientManager.getAll()) {
3055 auto clientSp = i->getValue();
3056
3057 if (clientSp.get() == nullptr) {
3058 ALOGE("%s: Dead client still in mActiveClientManager.", __FUNCTION__);
3059 continue;
3060 }
3061
Ruben Brunk6267b532015-04-30 17:44:07 -07003062 // Don't evict clients that are still allowed.
3063 uid_t clientUid = clientSp->getClientUid();
3064 userid_t clientUserId = multiuser_get_user_id(clientUid);
3065 if (mAllowedUsers.find(clientUserId) != mAllowedUsers.end()) {
3066 continue;
3067 }
3068
Ruben Brunk36597b22015-03-20 22:15:57 -07003069 evicted.push_back(clientSp);
3070
3071 String8 curTime = getFormattedCurrentTime();
3072
3073 ALOGE("Evicting conflicting client for camera ID %s due to user change",
3074 i->getKey().string());
Ruben Brunka8ca9152015-04-07 14:23:40 -07003075
Ruben Brunk36597b22015-03-20 22:15:57 -07003076 // Log the clients evicted
Ruben Brunka8ca9152015-04-07 14:23:40 -07003077 logEvent(String8::format("EVICT device %s client held by package %s (PID %"
Emilian Peev8131a262017-02-01 12:33:43 +00003078 PRId32 ", score %" PRId32 ", state %" PRId32 ")\n - Evicted due"
3079 " to user switch.", i->getKey().string(),
3080 String8{clientSp->getPackageName()}.string(),
3081 i->getOwnerId(), i->getPriority().getScore(),
3082 i->getPriority().getState()));
Ruben Brunk36597b22015-03-20 22:15:57 -07003083
3084 }
3085
3086 // Do not hold mServiceLock while disconnecting clients, but retain the condition
3087 // blocking other clients from connecting in mServiceLockWrapper if held.
3088 mServiceLock.unlock();
3089
3090 // Clear caller identity temporarily so client disconnect PID checks work correctly
Jayant Chowdhary12361932018-08-27 14:46:13 -07003091 int64_t token = CameraThreadState::clearCallingIdentity();
Ruben Brunk36597b22015-03-20 22:15:57 -07003092
3093 for (auto& i : evicted) {
3094 i->disconnect();
3095 }
3096
Jayant Chowdhary12361932018-08-27 14:46:13 -07003097 CameraThreadState::restoreCallingIdentity(token);
Ruben Brunk36597b22015-03-20 22:15:57 -07003098
3099 // Reacquire mServiceLock
3100 mServiceLock.lock();
3101}
Ruben Brunkcc776712015-02-17 20:18:47 -08003102
Ruben Brunka8ca9152015-04-07 14:23:40 -07003103void CameraService::logEvent(const char* event) {
Ruben Brunkcc776712015-02-17 20:18:47 -08003104 String8 curTime = getFormattedCurrentTime();
Ruben Brunka8ca9152015-04-07 14:23:40 -07003105 Mutex::Autolock l(mLogLock);
Rucha Katakward9ea6452021-05-06 11:57:16 -07003106 String8 msg = String8::format("%s : %s", curTime.string(), event);
3107 // For service error events, print the msg only once.
3108 if(!msg.contains("SERVICE ERROR")) {
3109 mEventLog.add(msg);
3110 } else if(sServiceErrorEventSet.find(msg) == sServiceErrorEventSet.end()) {
3111 // Error event not added to the dumpsys log before
3112 mEventLog.add(msg);
3113 sServiceErrorEventSet.insert(msg);
3114 }
Mathias Agopian65ab4712010-07-14 17:59:35 -07003115}
3116
Ruben Brunka8ca9152015-04-07 14:23:40 -07003117void CameraService::logDisconnected(const char* cameraId, int clientPid,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00003118 const char* clientPackage) {
Ruben Brunkcc776712015-02-17 20:18:47 -08003119 // Log the clients evicted
Ruben Brunka8ca9152015-04-07 14:23:40 -07003120 logEvent(String8::format("DISCONNECT device %s client for package %s (PID %d)", cameraId,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00003121 clientPackage, clientPid));
Ruben Brunka8ca9152015-04-07 14:23:40 -07003122}
3123
Emilian Peevb2bc5a42019-11-20 16:02:14 -08003124void CameraService::logDisconnectedOffline(const char* cameraId, int clientPid,
3125 const char* clientPackage) {
3126 // Log the clients evicted
3127 logEvent(String8::format("DISCONNECT offline device %s client for package %s (PID %d)",
3128 cameraId, clientPackage, clientPid));
3129}
3130
Ruben Brunka8ca9152015-04-07 14:23:40 -07003131void CameraService::logConnected(const char* cameraId, int clientPid,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00003132 const char* clientPackage) {
Ruben Brunka8ca9152015-04-07 14:23:40 -07003133 // Log the clients evicted
3134 logEvent(String8::format("CONNECT device %s client for package %s (PID %d)", cameraId,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00003135 clientPackage, clientPid));
Ruben Brunka8ca9152015-04-07 14:23:40 -07003136}
3137
Emilian Peevb2bc5a42019-11-20 16:02:14 -08003138void CameraService::logConnectedOffline(const char* cameraId, int clientPid,
3139 const char* clientPackage) {
3140 // Log the clients evicted
3141 logEvent(String8::format("CONNECT offline device %s client for package %s (PID %d)", cameraId,
3142 clientPackage, clientPid));
3143}
3144
Ruben Brunka8ca9152015-04-07 14:23:40 -07003145void CameraService::logRejected(const char* cameraId, int clientPid,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00003146 const char* clientPackage, const char* reason) {
Ruben Brunka8ca9152015-04-07 14:23:40 -07003147 // Log the client rejected
3148 logEvent(String8::format("REJECT device %s client for package %s (PID %d), reason: (%s)",
Svetoslav Ganov280405a2015-05-12 02:19:27 +00003149 cameraId, clientPackage, clientPid, reason));
Ruben Brunka8ca9152015-04-07 14:23:40 -07003150}
3151
Jayant Chowdhary0e2eefd2019-04-18 14:05:43 -07003152void CameraService::logTorchEvent(const char* cameraId, const char *torchState, int clientPid) {
3153 // Log torch event
3154 logEvent(String8::format("Torch for camera id %s turned %s for client PID %d", cameraId,
3155 torchState, clientPid));
3156}
3157
Ruben Brunk6267b532015-04-30 17:44:07 -07003158void CameraService::logUserSwitch(const std::set<userid_t>& oldUserIds,
3159 const std::set<userid_t>& newUserIds) {
3160 String8 newUsers = toString(newUserIds);
3161 String8 oldUsers = toString(oldUserIds);
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08003162 if (oldUsers.size() == 0) {
3163 oldUsers = "<None>";
3164 }
Ruben Brunka8ca9152015-04-07 14:23:40 -07003165 // Log the new and old users
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08003166 logEvent(String8::format("USER_SWITCH previous allowed user IDs: %s, current allowed user IDs: %s",
Ruben Brunk6267b532015-04-30 17:44:07 -07003167 oldUsers.string(), newUsers.string()));
Ruben Brunka8ca9152015-04-07 14:23:40 -07003168}
3169
3170void CameraService::logDeviceRemoved(const char* cameraId, const char* reason) {
3171 // Log the device removal
3172 logEvent(String8::format("REMOVE device %s, reason: (%s)", cameraId, reason));
3173}
3174
3175void CameraService::logDeviceAdded(const char* cameraId, const char* reason) {
3176 // Log the device removal
3177 logEvent(String8::format("ADD device %s, reason: (%s)", cameraId, reason));
3178}
3179
3180void CameraService::logClientDied(int clientPid, const char* reason) {
3181 // Log the device removal
3182 logEvent(String8::format("DIED client(s) with PID %d, reason: (%s)", clientPid, reason));
Igor Murashkinecf17e82012-10-02 16:05:11 -07003183}
3184
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07003185void CameraService::logServiceError(const char* msg, int errorCode) {
3186 String8 curTime = getFormattedCurrentTime();
Eino-Ville Talvalad309fb92015-11-25 12:12:45 -08003187 logEvent(String8::format("SERVICE ERROR: %s : %d (%s)", msg, errorCode, strerror(-errorCode)));
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07003188}
3189
Ruben Brunk36597b22015-03-20 22:15:57 -07003190status_t CameraService::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
3191 uint32_t flags) {
3192
Mathias Agopian65ab4712010-07-14 17:59:35 -07003193 // Permission checks
3194 switch (code) {
Svet Ganova453d0d2018-01-11 15:37:58 -08003195 case SHELL_COMMAND_TRANSACTION: {
3196 int in = data.readFileDescriptor();
3197 int out = data.readFileDescriptor();
3198 int err = data.readFileDescriptor();
3199 int argc = data.readInt32();
3200 Vector<String16> args;
3201 for (int i = 0; i < argc && data.dataAvail() > 0; i++) {
3202 args.add(data.readString16());
3203 }
3204 sp<IBinder> unusedCallback;
3205 sp<IResultReceiver> resultReceiver;
3206 status_t status;
3207 if ((status = data.readNullableStrongBinder(&unusedCallback)) != NO_ERROR) {
3208 return status;
3209 }
3210 if ((status = data.readNullableStrongBinder(&resultReceiver)) != NO_ERROR) {
3211 return status;
3212 }
3213 status = shellCommand(in, out, err, args);
3214 if (resultReceiver != nullptr) {
3215 resultReceiver->send(status);
3216 }
3217 return NO_ERROR;
3218 }
Mathias Agopian65ab4712010-07-14 17:59:35 -07003219 }
3220
3221 return BnCameraService::onTransact(code, data, reply, flags);
3222}
3223
Mathias Agopian65ab4712010-07-14 17:59:35 -07003224// We share the media players for shutter and recording sound for all clients.
3225// A reference count is kept to determine when we will actually release the
3226// media players.
3227
Jaekyun Seokef498052018-03-23 13:09:44 +09003228sp<MediaPlayer> CameraService::newMediaPlayer(const char *file) {
3229 sp<MediaPlayer> mp = new MediaPlayer();
3230 status_t error;
3231 if ((error = mp->setDataSource(NULL /* httpService */, file, NULL)) == NO_ERROR) {
Eino-Ville Talvala60a78ac2012-01-05 15:34:53 -08003232 mp->setAudioStreamType(AUDIO_STREAM_ENFORCED_AUDIBLE);
Jaekyun Seokef498052018-03-23 13:09:44 +09003233 error = mp->prepare();
3234 }
3235 if (error != NO_ERROR) {
Steve Block29357bc2012-01-06 19:20:56 +00003236 ALOGE("Failed to load CameraService sounds: %s", file);
Jaekyun Seokef498052018-03-23 13:09:44 +09003237 mp->disconnect();
3238 mp.clear();
Jaekyun Seok59a8ef02018-01-15 14:49:05 +09003239 return nullptr;
Mathias Agopian65ab4712010-07-14 17:59:35 -07003240 }
3241 return mp;
3242}
3243
username5755fea2018-12-27 09:48:08 +08003244void CameraService::increaseSoundRef() {
3245 Mutex::Autolock lock(mSoundLock);
3246 mSoundRef++;
3247}
3248
3249void CameraService::loadSoundLocked(sound_kind kind) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07003250 ATRACE_CALL();
3251
username5755fea2018-12-27 09:48:08 +08003252 LOG1("CameraService::loadSoundLocked ref=%d", mSoundRef);
3253 if (SOUND_SHUTTER == kind && mSoundPlayer[SOUND_SHUTTER] == NULL) {
3254 mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/product/media/audio/ui/camera_click.ogg");
3255 if (mSoundPlayer[SOUND_SHUTTER] == nullptr) {
3256 mSoundPlayer[SOUND_SHUTTER] = newMediaPlayer("/system/media/audio/ui/camera_click.ogg");
3257 }
3258 } else if (SOUND_RECORDING_START == kind && mSoundPlayer[SOUND_RECORDING_START] == NULL) {
3259 mSoundPlayer[SOUND_RECORDING_START] = newMediaPlayer("/product/media/audio/ui/VideoRecord.ogg");
3260 if (mSoundPlayer[SOUND_RECORDING_START] == nullptr) {
3261 mSoundPlayer[SOUND_RECORDING_START] =
Jaekyun Seok59a8ef02018-01-15 14:49:05 +09003262 newMediaPlayer("/system/media/audio/ui/VideoRecord.ogg");
username5755fea2018-12-27 09:48:08 +08003263 }
3264 } else if (SOUND_RECORDING_STOP == kind && mSoundPlayer[SOUND_RECORDING_STOP] == NULL) {
3265 mSoundPlayer[SOUND_RECORDING_STOP] = newMediaPlayer("/product/media/audio/ui/VideoStop.ogg");
3266 if (mSoundPlayer[SOUND_RECORDING_STOP] == nullptr) {
3267 mSoundPlayer[SOUND_RECORDING_STOP] = newMediaPlayer("/system/media/audio/ui/VideoStop.ogg");
3268 }
Jaekyun Seok59a8ef02018-01-15 14:49:05 +09003269 }
Mathias Agopian65ab4712010-07-14 17:59:35 -07003270}
3271
username5755fea2018-12-27 09:48:08 +08003272void CameraService::decreaseSoundRef() {
Mathias Agopian65ab4712010-07-14 17:59:35 -07003273 Mutex::Autolock lock(mSoundLock);
username5755fea2018-12-27 09:48:08 +08003274 LOG1("CameraService::decreaseSoundRef ref=%d", mSoundRef);
Mathias Agopian65ab4712010-07-14 17:59:35 -07003275 if (--mSoundRef) return;
3276
3277 for (int i = 0; i < NUM_SOUNDS; i++) {
3278 if (mSoundPlayer[i] != 0) {
3279 mSoundPlayer[i]->disconnect();
3280 mSoundPlayer[i].clear();
3281 }
3282 }
3283}
3284
3285void CameraService::playSound(sound_kind kind) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07003286 ATRACE_CALL();
3287
Mathias Agopian65ab4712010-07-14 17:59:35 -07003288 LOG1("playSound(%d)", kind);
Eino-Ville Talvala139ca752021-04-23 15:40:34 -07003289 if (kind < 0 || kind >= NUM_SOUNDS) {
3290 ALOGE("%s: Invalid sound id requested: %d", __FUNCTION__, kind);
3291 return;
3292 }
3293
Mathias Agopian65ab4712010-07-14 17:59:35 -07003294 Mutex::Autolock lock(mSoundLock);
username5755fea2018-12-27 09:48:08 +08003295 loadSoundLocked(kind);
Mathias Agopian65ab4712010-07-14 17:59:35 -07003296 sp<MediaPlayer> player = mSoundPlayer[kind];
3297 if (player != 0) {
Chih-Chung Chang8888a752011-10-20 10:47:26 +08003298 player->seekTo(0);
3299 player->start();
Mathias Agopian65ab4712010-07-14 17:59:35 -07003300 }
3301}
3302
3303// ----------------------------------------------------------------------------
3304
3305CameraService::Client::Client(const sp<CameraService>& cameraService,
Wu-cheng Lib7a67942010-08-17 15:45:37 -07003306 const sp<ICameraClient>& cameraClient,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08003307 const String16& clientPackageName, bool systemNativeClient,
Jooyung Hanb3f7cd22020-01-23 12:27:18 +09003308 const std::optional<String16>& clientFeatureId,
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -08003309 const String8& cameraIdStr,
Emilian Peev8b64f282021-03-25 16:49:57 -07003310 int api1CameraId, int cameraFacing, int sensorOrientation,
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003311 int clientPid, uid_t clientUid,
Austin Borger3560b7e2022-10-27 12:20:29 -07003312 int servicePid, bool overrideToPortrait) :
Eino-Ville Talvalae992e752014-11-07 16:17:48 -08003313 CameraService::BasicClient(cameraService,
Marco Nelissenf8880202014-11-14 07:58:25 -08003314 IInterface::asBinder(cameraClient),
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08003315 clientPackageName, systemNativeClient, clientFeatureId,
Emilian Peev8b64f282021-03-25 16:49:57 -07003316 cameraIdStr, cameraFacing, sensorOrientation,
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003317 clientPid, clientUid,
Austin Borger3560b7e2022-10-27 12:20:29 -07003318 servicePid, overrideToPortrait),
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -08003319 mCameraId(api1CameraId)
Igor Murashkin634a5152013-02-20 17:15:11 -08003320{
Jayant Chowdhary12361932018-08-27 14:46:13 -07003321 int callingPid = CameraThreadState::getCallingPid();
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003322 LOG1("Client::Client E (pid %d, id %d)", callingPid, mCameraId);
Mathias Agopian65ab4712010-07-14 17:59:35 -07003323
Igor Murashkin44cfcf02013-03-01 16:22:28 -08003324 mRemoteCallback = cameraClient;
Mathias Agopian65ab4712010-07-14 17:59:35 -07003325
username5755fea2018-12-27 09:48:08 +08003326 cameraService->increaseSoundRef();
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003327
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003328 LOG1("Client::Client X (pid %d, id %d)", callingPid, mCameraId);
Mathias Agopian65ab4712010-07-14 17:59:35 -07003329}
3330
Mathias Agopian65ab4712010-07-14 17:59:35 -07003331// tear down the client
3332CameraService::Client::~Client() {
Eino-Ville Talvalad09801b2013-04-23 15:16:57 -07003333 ALOGV("~Client");
Igor Murashkin634a5152013-02-20 17:15:11 -08003334 mDestructionStarted = true;
3335
username5755fea2018-12-27 09:48:08 +08003336 sCameraService->decreaseSoundRef();
Igor Murashkin036bc3e2012-10-08 15:09:46 -07003337 // unconditionally disconnect. function is idempotent
3338 Client::disconnect();
Mathias Agopian65ab4712010-07-14 17:59:35 -07003339}
3340
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003341sp<CameraService> CameraService::BasicClient::BasicClient::sCameraService;
3342
Igor Murashkin634a5152013-02-20 17:15:11 -08003343CameraService::BasicClient::BasicClient(const sp<CameraService>& cameraService,
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003344 const sp<IBinder>& remoteCallback,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08003345 const String16& clientPackageName, bool nativeClient,
3346 const std::optional<String16>& clientFeatureId, const String8& cameraIdStr,
3347 int cameraFacing, int sensorOrientation, int clientPid, uid_t clientUid,
Austin Borger3560b7e2022-10-27 12:20:29 -07003348 int servicePid, bool overrideToPortrait):
Eino-Ville Talvala178e8232021-04-16 18:41:39 -07003349 mDestructionStarted(false),
Emilian Peev8b64f282021-03-25 16:49:57 -07003350 mCameraIdStr(cameraIdStr), mCameraFacing(cameraFacing), mOrientation(sensorOrientation),
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08003351 mClientPackageName(clientPackageName), mSystemNativeClient(nativeClient),
3352 mClientFeatureId(clientFeatureId),
Philip P. Moltmann9e648f62019-11-04 12:52:45 -08003353 mClientPid(clientPid), mClientUid(clientUid),
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003354 mServicePid(servicePid),
Shuzhen Wang2c656792020-04-13 17:36:49 -07003355 mDisconnected(false), mUidIsTrusted(false),
Austin Borger3560b7e2022-10-27 12:20:29 -07003356 mOverrideToPortrait(overrideToPortrait),
Yin-Chia Yehdba03232019-08-19 15:54:28 -07003357 mAudioRestriction(hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_NONE),
Eino-Ville Talvala178e8232021-04-16 18:41:39 -07003358 mRemoteBinder(remoteCallback),
3359 mOpsActive(false),
3360 mOpsStreaming(false)
Igor Murashkin634a5152013-02-20 17:15:11 -08003361{
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003362 if (sCameraService == nullptr) {
3363 sCameraService = cameraService;
3364 }
Yin-Chia Yeh0dea57f2015-12-09 16:46:07 -08003365
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08003366 // There are 2 scenarios in which a client won't have AppOps operations
3367 // (both scenarios : native clients)
3368 // 1) It's an system native client*, the package name will be empty
3369 // and it will return from this function in the previous if condition
3370 // (This is the same as the previously existing behavior).
3371 // 2) It is a system native client, but its package name has been
3372 // modified for debugging, however it still must not use AppOps since
3373 // the package name is not a real one.
3374 //
3375 // * system native client - native client with UID < AID_APP_START. It
3376 // doesn't exclude clients not on the system partition.
3377 if (!mSystemNativeClient) {
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003378 mAppOpsManager = std::make_unique<AppOpsManager>();
3379 }
Shuzhen Wang2c656792020-04-13 17:36:49 -07003380
3381 mUidIsTrusted = isTrustedCallingUid(mClientUid);
Igor Murashkin634a5152013-02-20 17:15:11 -08003382}
3383
3384CameraService::BasicClient::~BasicClient() {
Eino-Ville Talvalad09801b2013-04-23 15:16:57 -07003385 ALOGV("~BasicClient");
Igor Murashkin634a5152013-02-20 17:15:11 -08003386 mDestructionStarted = true;
3387}
3388
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003389binder::Status CameraService::BasicClient::disconnect() {
3390 binder::Status res = Status::ok();
Ruben Brunk36597b22015-03-20 22:15:57 -07003391 if (mDisconnected) {
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003392 return res;
Ruben Brunk36597b22015-03-20 22:15:57 -07003393 }
Eino-Ville Talvala24901c82015-09-04 14:15:58 -07003394 mDisconnected = true;
Ruben Brunkcc776712015-02-17 20:18:47 -08003395
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003396 sCameraService->removeByClient(this);
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003397 sCameraService->logDisconnected(mCameraIdStr, mClientPid, String8(mClientPackageName));
Peter Kalauskasa29c1352018-10-10 12:05:42 -07003398 sCameraService->mCameraProviderManager->removeRef(CameraProviderManager::DeviceMode::CAMERA,
3399 mCameraIdStr.c_str());
Ruben Brunkcc776712015-02-17 20:18:47 -08003400
3401 sp<IBinder> remote = getRemote();
3402 if (remote != nullptr) {
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003403 remote->unlinkToDeath(sCameraService);
Ruben Brunkcc776712015-02-17 20:18:47 -08003404 }
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07003405
3406 finishCameraOps();
Chien-Yu Chene4fe21b2016-08-04 12:42:40 -07003407 // Notify flashlight that a camera device is closed.
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003408 sCameraService->mFlashlight->deviceClosed(mCameraIdStr);
3409 ALOGI("%s: Disconnected client for camera %s for PID %d", __FUNCTION__, mCameraIdStr.string(),
3410 mClientPid);
Ruben Brunkcc776712015-02-17 20:18:47 -08003411
Igor Murashkincba2c162013-03-20 15:56:31 -07003412 // client shouldn't be able to call into us anymore
3413 mClientPid = 0;
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003414
3415 return res;
Igor Murashkin634a5152013-02-20 17:15:11 -08003416}
3417
Eino-Ville Talvalac4003962016-01-13 10:07:04 -08003418status_t CameraService::BasicClient::dump(int, const Vector<String16>&) {
3419 // No dumping of clients directly over Binder,
3420 // must go through CameraService::dump
3421 android_errorWriteWithInfoLog(SN_EVENT_LOG_ID, "26265403",
Jayant Chowdhary12361932018-08-27 14:46:13 -07003422 CameraThreadState::getCallingUid(), NULL, 0);
Eino-Ville Talvalac4003962016-01-13 10:07:04 -08003423 return OK;
3424}
3425
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07003426status_t CameraService::BasicClient::startWatchingTags(const String8&, int) {
3427 // Can't watch tags directly, must go through CameraService::startWatchingTags
3428 return OK;
3429}
3430
3431status_t CameraService::BasicClient::stopWatchingTags(int) {
3432 // Can't watch tags directly, must go through CameraService::stopWatchingTags
3433 return OK;
3434}
3435
3436status_t CameraService::BasicClient::dumpWatchedEventsToVector(std::vector<std::string> &) {
3437 // Can't watch tags directly, must go through CameraService::dumpWatchedEventsToVector
3438 return OK;
3439}
3440
Ruben Brunkcc776712015-02-17 20:18:47 -08003441String16 CameraService::BasicClient::getPackageName() const {
Svetoslav Ganov280405a2015-05-12 02:19:27 +00003442 return mClientPackageName;
Ruben Brunkcc776712015-02-17 20:18:47 -08003443}
3444
Emilian Peev8b64f282021-03-25 16:49:57 -07003445int CameraService::BasicClient::getCameraFacing() const {
3446 return mCameraFacing;
3447}
3448
3449int CameraService::BasicClient::getCameraOrientation() const {
3450 return mOrientation;
3451}
Ruben Brunkcc776712015-02-17 20:18:47 -08003452
3453int CameraService::BasicClient::getClientPid() const {
3454 return mClientPid;
3455}
3456
Ruben Brunk6267b532015-04-30 17:44:07 -07003457uid_t CameraService::BasicClient::getClientUid() const {
3458 return mClientUid;
3459}
3460
Ruben Brunk0bbf8b22015-04-30 14:35:42 -07003461bool CameraService::BasicClient::canCastToApiClient(apiLevel level) const {
3462 // Defaults to API2.
3463 return level == API_2;
3464}
3465
Yin-Chia Yehcfab4e12019-09-09 13:08:28 -07003466status_t CameraService::BasicClient::setAudioRestriction(int32_t mode) {
Yin-Chia Yehdba03232019-08-19 15:54:28 -07003467 {
3468 Mutex::Autolock l(mAudioRestrictionLock);
3469 mAudioRestriction = mode;
3470 }
Yin-Chia Yehcfab4e12019-09-09 13:08:28 -07003471 sCameraService->updateAudioRestriction();
3472 return OK;
3473}
3474
3475int32_t CameraService::BasicClient::getServiceAudioRestriction() const {
Yin-Chia Yehdba03232019-08-19 15:54:28 -07003476 return sCameraService->updateAudioRestriction();
3477}
3478
3479int32_t CameraService::BasicClient::getAudioRestriction() const {
3480 Mutex::Autolock l(mAudioRestrictionLock);
3481 return mAudioRestriction;
3482}
3483
3484bool CameraService::BasicClient::isValidAudioRestriction(int32_t mode) {
3485 switch (mode) {
3486 case hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_NONE:
3487 case hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_VIBRATION:
3488 case hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_VIBRATION_SOUND:
3489 return true;
3490 default:
3491 return false;
3492 }
3493}
3494
Eino-Ville Talvala178e8232021-04-16 18:41:39 -07003495status_t CameraService::BasicClient::handleAppOpMode(int32_t mode) {
3496 if (mode == AppOpsManager::MODE_ERRORED) {
3497 ALOGI("Camera %s: Access for \"%s\" has been revoked",
3498 mCameraIdStr.string(), String8(mClientPackageName).string());
3499 return PERMISSION_DENIED;
3500 } else if (!mUidIsTrusted && mode == AppOpsManager::MODE_IGNORED) {
3501 // If the calling Uid is trusted (a native service), the AppOpsManager could
3502 // return MODE_IGNORED. Do not treat such case as error.
3503 bool isUidActive = sCameraService->mUidPolicy->isUidActive(mClientUid,
3504 mClientPackageName);
3505 bool isCameraPrivacyEnabled =
Evan Seversond0b69922022-01-27 10:47:34 -08003506 sCameraService->mSensorPrivacyPolicy->isCameraPrivacyEnabled();
Eino-Ville Talvala178e8232021-04-16 18:41:39 -07003507 if (!isUidActive || !isCameraPrivacyEnabled) {
3508 ALOGI("Camera %s: Access for \"%s\" has been restricted",
3509 mCameraIdStr.string(), String8(mClientPackageName).string());
3510 // Return the same error as for device policy manager rejection
3511 return -EACCES;
3512 }
3513 }
3514 return OK;
3515}
3516
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003517status_t CameraService::BasicClient::startCameraOps() {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07003518 ATRACE_CALL();
3519
Igor Murashkine6800ce2013-03-04 17:25:57 -08003520 {
3521 ALOGV("%s: Start camera ops, package name = %s, client UID = %d",
Svetoslav Ganov280405a2015-05-12 02:19:27 +00003522 __FUNCTION__, String8(mClientPackageName).string(), mClientUid);
Igor Murashkine6800ce2013-03-04 17:25:57 -08003523 }
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003524 if (mAppOpsManager != nullptr) {
3525 // Notify app ops that the camera is not available
3526 mOpsCallback = new OpsCallback(this);
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003527 mAppOpsManager->startWatchingMode(AppOpsManager::OP_CAMERA,
3528 mClientPackageName, mOpsCallback);
Igor Murashkine6800ce2013-03-04 17:25:57 -08003529
Eino-Ville Talvala178e8232021-04-16 18:41:39 -07003530 // Just check for camera acccess here on open - delay startOp until
3531 // camera frames start streaming in startCameraStreamingOps
3532 int32_t mode = mAppOpsManager->checkOp(AppOpsManager::OP_CAMERA, mClientUid,
3533 mClientPackageName);
3534 status_t res = handleAppOpMode(mode);
3535 if (res != OK) {
3536 return res;
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003537 }
Svetoslav28e8ef72015-05-11 19:21:31 -07003538 }
3539
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003540 mOpsActive = true;
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07003541
3542 // Transition device availability listeners from PRESENT -> NOT_AVAILABLE
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003543 sCameraService->updateStatus(StatusInternal::NOT_AVAILABLE, mCameraIdStr);
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07003544
Emilian Peev53722fa2019-02-22 17:47:20 -08003545 sCameraService->mUidPolicy->registerMonitorUid(mClientUid);
3546
Shuzhen Wang695044d2020-03-06 09:02:23 -08003547 // Notify listeners of camera open/close status
3548 sCameraService->updateOpenCloseStatus(mCameraIdStr, true/*open*/, mClientPackageName);
3549
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003550 return OK;
3551}
3552
Eino-Ville Talvala178e8232021-04-16 18:41:39 -07003553status_t CameraService::BasicClient::startCameraStreamingOps() {
3554 ATRACE_CALL();
3555
3556 if (!mOpsActive) {
3557 ALOGE("%s: Calling streaming start when not yet active", __FUNCTION__);
3558 return INVALID_OPERATION;
3559 }
3560 if (mOpsStreaming) {
3561 ALOGV("%s: Streaming already active!", __FUNCTION__);
3562 return OK;
3563 }
3564
3565 ALOGV("%s: Start camera streaming ops, package name = %s, client UID = %d",
3566 __FUNCTION__, String8(mClientPackageName).string(), mClientUid);
3567
3568 if (mAppOpsManager != nullptr) {
3569 int32_t mode = mAppOpsManager->startOpNoThrow(AppOpsManager::OP_CAMERA, mClientUid,
3570 mClientPackageName, /*startIfModeDefault*/ false, mClientFeatureId,
3571 String16("start camera ") + String16(mCameraIdStr));
3572 status_t res = handleAppOpMode(mode);
3573 if (res != OK) {
3574 return res;
3575 }
3576 }
3577
3578 mOpsStreaming = true;
3579
3580 return OK;
3581}
3582
Valentin Iftimec0b8d472021-07-23 20:21:06 +02003583status_t CameraService::BasicClient::noteAppOp() {
3584 ATRACE_CALL();
3585
3586 ALOGV("%s: Start camera noteAppOp, package name = %s, client UID = %d",
3587 __FUNCTION__, String8(mClientPackageName).string(), mClientUid);
3588
3589 // noteAppOp is only used for when camera mute is not supported, in order
3590 // to trigger the sensor privacy "Unblock" dialog
3591 if (mAppOpsManager != nullptr) {
3592 int32_t mode = mAppOpsManager->noteOp(AppOpsManager::OP_CAMERA, mClientUid,
3593 mClientPackageName, mClientFeatureId,
3594 String16("start camera ") + String16(mCameraIdStr));
3595 status_t res = handleAppOpMode(mode);
3596 if (res != OK) {
3597 return res;
3598 }
3599 }
3600
3601 return OK;
3602}
3603
Eino-Ville Talvala178e8232021-04-16 18:41:39 -07003604status_t CameraService::BasicClient::finishCameraStreamingOps() {
3605 ATRACE_CALL();
3606
3607 if (!mOpsActive) {
3608 ALOGE("%s: Calling streaming start when not yet active", __FUNCTION__);
3609 return INVALID_OPERATION;
3610 }
3611 if (!mOpsStreaming) {
3612 ALOGV("%s: Streaming not active!", __FUNCTION__);
3613 return OK;
3614 }
3615
3616 if (mAppOpsManager != nullptr) {
3617 mAppOpsManager->finishOp(AppOpsManager::OP_CAMERA, mClientUid,
3618 mClientPackageName, mClientFeatureId);
3619 mOpsStreaming = false;
3620 }
3621
3622 return OK;
3623}
3624
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003625status_t CameraService::BasicClient::finishCameraOps() {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07003626 ATRACE_CALL();
3627
Eino-Ville Talvala178e8232021-04-16 18:41:39 -07003628 if (mOpsStreaming) {
3629 // Make sure we've notified everyone about camera stopping
3630 finishCameraStreamingOps();
3631 }
3632
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07003633 // Check if startCameraOps succeeded, and if so, finish the camera op
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003634 if (mOpsActive) {
Eino-Ville Talvala178e8232021-04-16 18:41:39 -07003635 mOpsActive = false;
3636
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +01003637 // This function is called when a client disconnects. This should
3638 // release the camera, but actually only if it was in a proper
3639 // functional state, i.e. with status NOT_AVAILABLE
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08003640 std::initializer_list<StatusInternal> rejected = {StatusInternal::PRESENT,
Guennadi Liakhovetski151e3be2017-11-28 16:34:18 +01003641 StatusInternal::ENUMERATING, StatusInternal::NOT_PRESENT};
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07003642
Ruben Brunkcc776712015-02-17 20:18:47 -08003643 // Transition to PRESENT if the camera is not in either of the rejected states
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003644 sCameraService->updateStatus(StatusInternal::PRESENT,
3645 mCameraIdStr, rejected);
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003646 }
Eino-Ville Talvalaf67e23e2014-07-23 17:17:59 -07003647 // Always stop watching, even if no camera op is active
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003648 if (mOpsCallback != nullptr && mAppOpsManager != nullptr) {
3649 mAppOpsManager->stopWatchingMode(mOpsCallback);
Eino-Ville Talvalae992e752014-11-07 16:17:48 -08003650 }
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003651 mOpsCallback.clear();
3652
Emilian Peev53722fa2019-02-22 17:47:20 -08003653 sCameraService->mUidPolicy->unregisterMonitorUid(mClientUid);
3654
Shuzhen Wang695044d2020-03-06 09:02:23 -08003655 // Notify listeners of camera open/close status
3656 sCameraService->updateOpenCloseStatus(mCameraIdStr, false/*open*/, mClientPackageName);
3657
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003658 return OK;
3659}
3660
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003661void CameraService::BasicClient::opChanged(int32_t op, const String16&) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07003662 ATRACE_CALL();
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003663 if (mAppOpsManager == nullptr) {
3664 return;
3665 }
Emilian Peevb2bc5a42019-11-20 16:02:14 -08003666 // TODO : add offline camera session case
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003667 if (op != AppOpsManager::OP_CAMERA) {
3668 ALOGW("Unexpected app ops notification received: %d", op);
3669 return;
3670 }
3671
3672 int32_t res;
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003673 res = mAppOpsManager->checkOp(AppOpsManager::OP_CAMERA,
Svetoslav Ganov280405a2015-05-12 02:19:27 +00003674 mClientUid, mClientPackageName);
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003675 ALOGV("checkOp returns: %d, %s ", res,
3676 res == AppOpsManager::MODE_ALLOWED ? "ALLOWED" :
3677 res == AppOpsManager::MODE_IGNORED ? "IGNORED" :
3678 res == AppOpsManager::MODE_ERRORED ? "ERRORED" :
3679 "UNKNOWN");
3680
Shuzhen Wang64900852021-02-05 09:03:29 -08003681 if (res == AppOpsManager::MODE_ERRORED) {
Eino-Ville Talvala2f09bac2016-12-13 11:29:54 -08003682 ALOGI("Camera %s: Access for \"%s\" revoked", mCameraIdStr.string(),
Jayant Chowdharyb61526c2019-05-13 19:37:42 -07003683 String8(mClientPackageName).string());
Svet Ganova453d0d2018-01-11 15:37:58 -08003684 block();
Shuzhen Wang64900852021-02-05 09:03:29 -08003685 } else if (res == AppOpsManager::MODE_IGNORED) {
3686 bool isUidActive = sCameraService->mUidPolicy->isUidActive(mClientUid, mClientPackageName);
Evan Severson09ab4002021-02-10 14:15:19 -08003687 bool isCameraPrivacyEnabled =
Evan Seversond0b69922022-01-27 10:47:34 -08003688 sCameraService->mSensorPrivacyPolicy->isCameraPrivacyEnabled();
Shuzhen Wang64900852021-02-05 09:03:29 -08003689 ALOGI("Camera %s: Access for \"%s\" has been restricted, isUidTrusted %d, isUidActive %d",
3690 mCameraIdStr.string(), String8(mClientPackageName).string(),
3691 mUidIsTrusted, isUidActive);
3692 // If the calling Uid is trusted (a native service), or the client Uid is active (WAR for
3693 // b/175320666), the AppOpsManager could return MODE_IGNORED. Do not treat such cases as
3694 // error.
Valentin Iftimec0b8d472021-07-23 20:21:06 +02003695 if (!mUidIsTrusted) {
3696 if (isUidActive && isCameraPrivacyEnabled && supportsCameraMute()) {
3697 setCameraMute(true);
3698 } else if (!isUidActive
3699 || (isCameraPrivacyEnabled && !supportsCameraMute())) {
3700 block();
3701 }
Shuzhen Wang64900852021-02-05 09:03:29 -08003702 }
Evan Severson09ab4002021-02-10 14:15:19 -08003703 } else if (res == AppOpsManager::MODE_ALLOWED) {
3704 setCameraMute(sCameraService->mOverrideCameraMuteMode);
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003705 }
3706}
3707
Svet Ganova453d0d2018-01-11 15:37:58 -08003708void CameraService::BasicClient::block() {
3709 ATRACE_CALL();
3710
3711 // Reset the client PID to allow server-initiated disconnect,
3712 // and to prevent further calls by client.
Jayant Chowdhary12361932018-08-27 14:46:13 -07003713 mClientPid = CameraThreadState::getCallingPid();
Svet Ganova453d0d2018-01-11 15:37:58 -08003714 CaptureResultExtras resultExtras; // a dummy result (invalid)
3715 notifyError(hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISABLED, resultExtras);
3716 disconnect();
3717}
3718
Mathias Agopian65ab4712010-07-14 17:59:35 -07003719// ----------------------------------------------------------------------------
3720
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003721void CameraService::Client::notifyError(int32_t errorCode,
Jing Mikec7f9b132023-03-12 11:12:04 +08003722 [[maybe_unused]] const CaptureResultExtras& resultExtras) {
Ranjith Kagathi Ananda3e600892015-10-08 16:00:33 -07003723 if (mRemoteCallback != NULL) {
Yin-Chia Yehf13bda52018-05-31 12:12:59 -07003724 int32_t api1ErrorCode = CAMERA_ERROR_RELEASED;
3725 if (errorCode == hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISABLED) {
3726 api1ErrorCode = CAMERA_ERROR_DISABLED;
3727 }
3728 mRemoteCallback->notifyCallback(CAMERA_MSG_ERROR, api1ErrorCode, 0);
Ranjith Kagathi Ananda3e600892015-10-08 16:00:33 -07003729 } else {
3730 ALOGE("mRemoteCallback is NULL!!");
3731 }
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003732}
3733
Igor Murashkin036bc3e2012-10-08 15:09:46 -07003734// NOTE: function is idempotent
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003735binder::Status CameraService::Client::disconnect() {
Eino-Ville Talvalad09801b2013-04-23 15:16:57 -07003736 ALOGV("Client::disconnect");
Eino-Ville Talvalad56db1d2015-12-17 16:50:35 -08003737 return BasicClient::disconnect();
Wu-cheng Lie09591e2010-10-14 20:17:44 +08003738}
3739
Ruben Brunk0bbf8b22015-04-30 14:35:42 -07003740bool CameraService::Client::canCastToApiClient(apiLevel level) const {
3741 return level == API_1;
3742}
3743
Eino-Ville Talvalaceb388d2013-02-19 10:40:14 -08003744CameraService::Client::OpsCallback::OpsCallback(wp<BasicClient> client):
3745 mClient(client) {
3746}
3747
3748void CameraService::Client::OpsCallback::opChanged(int32_t op,
3749 const String16& packageName) {
3750 sp<BasicClient> client = mClient.promote();
3751 if (client != NULL) {
3752 client->opChanged(op, packageName);
3753 }
3754}
3755
Mathias Agopian65ab4712010-07-14 17:59:35 -07003756// ----------------------------------------------------------------------------
Svet Ganova453d0d2018-01-11 15:37:58 -08003757// UidPolicy
3758// ----------------------------------------------------------------------------
3759
3760void CameraService::UidPolicy::registerSelf() {
Eino-Ville Talvala8abec3f2018-03-20 11:07:00 -07003761 Mutex::Autolock _l(mUidLock);
3762
Eino-Ville Talvala8abec3f2018-03-20 11:07:00 -07003763 if (mRegistered) return;
Steven Moreland2f348142019-07-02 15:59:07 -07003764 status_t res = mAm.linkToDeath(this);
3765 mAm.registerUidObserver(this, ActivityManager::UID_OBSERVER_GONE
Svet Ganova453d0d2018-01-11 15:37:58 -08003766 | ActivityManager::UID_OBSERVER_IDLE
Austin Borger65577682022-02-17 00:25:43 +00003767 | ActivityManager::UID_OBSERVER_ACTIVE | ActivityManager::UID_OBSERVER_PROCSTATE
3768 | ActivityManager::UID_OBSERVER_PROC_OOM_ADJ,
Svet Ganova453d0d2018-01-11 15:37:58 -08003769 ActivityManager::PROCESS_STATE_UNKNOWN,
3770 String16("cameraserver"));
Eino-Ville Talvala8abec3f2018-03-20 11:07:00 -07003771 if (res == OK) {
3772 mRegistered = true;
3773 ALOGV("UidPolicy: Registered with ActivityManager");
3774 }
Svet Ganova453d0d2018-01-11 15:37:58 -08003775}
3776
3777void CameraService::UidPolicy::unregisterSelf() {
Eino-Ville Talvala8abec3f2018-03-20 11:07:00 -07003778 Mutex::Autolock _l(mUidLock);
3779
Steven Moreland2f348142019-07-02 15:59:07 -07003780 mAm.unregisterUidObserver(this);
3781 mAm.unlinkToDeath(this);
Eino-Ville Talvala8abec3f2018-03-20 11:07:00 -07003782 mRegistered = false;
3783 mActiveUids.clear();
3784 ALOGV("UidPolicy: Unregistered with ActivityManager");
Svet Ganova453d0d2018-01-11 15:37:58 -08003785}
3786
3787void CameraService::UidPolicy::onUidGone(uid_t uid, bool disabled) {
3788 onUidIdle(uid, disabled);
3789}
3790
3791void CameraService::UidPolicy::onUidActive(uid_t uid) {
3792 Mutex::Autolock _l(mUidLock);
3793 mActiveUids.insert(uid);
3794}
3795
3796void CameraService::UidPolicy::onUidIdle(uid_t uid, bool /* disabled */) {
3797 bool deleted = false;
3798 {
3799 Mutex::Autolock _l(mUidLock);
3800 if (mActiveUids.erase(uid) > 0) {
3801 deleted = true;
3802 }
3803 }
3804 if (deleted) {
3805 sp<CameraService> service = mService.promote();
3806 if (service != nullptr) {
3807 service->blockClientsForUid(uid);
3808 }
3809 }
3810}
3811
Emilian Peev53722fa2019-02-22 17:47:20 -08003812void CameraService::UidPolicy::onUidStateChanged(uid_t uid, int32_t procState,
Hui Yu13ad0eb2019-09-09 10:27:07 -07003813 int64_t procStateSeq __unused, int32_t capability __unused) {
Austin Borgerc5585dc2022-05-12 00:48:17 +00003814 bool procStateChange = false;
3815 {
3816 Mutex::Autolock _l(mUidLock);
3817 if (mMonitoredUids.find(uid) != mMonitoredUids.end() &&
3818 mMonitoredUids[uid].procState != procState) {
3819 mMonitoredUids[uid].procState = procState;
3820 procStateChange = true;
3821 }
3822 }
3823
3824 if (procStateChange) {
3825 sp<CameraService> service = mService.promote();
3826 if (service != nullptr) {
3827 service->notifyMonitoredUids();
3828 }
Emilian Peev53722fa2019-02-22 17:47:20 -08003829 }
3830}
3831
Austin Borger65577682022-02-17 00:25:43 +00003832void CameraService::UidPolicy::onUidProcAdjChanged(uid_t uid) {
3833 bool procAdjChange = false;
3834 {
3835 Mutex::Autolock _l(mUidLock);
3836 if (mMonitoredUids.find(uid) != mMonitoredUids.end()) {
3837 procAdjChange = true;
3838 }
3839 }
3840
3841 if (procAdjChange) {
3842 sp<CameraService> service = mService.promote();
3843 if (service != nullptr) {
3844 service->notifyMonitoredUids();
3845 }
3846 }
3847}
3848
Emilian Peev53722fa2019-02-22 17:47:20 -08003849void CameraService::UidPolicy::registerMonitorUid(uid_t uid) {
3850 Mutex::Autolock _l(mUidLock);
3851 auto it = mMonitoredUids.find(uid);
3852 if (it != mMonitoredUids.end()) {
Austin Borger65577682022-02-17 00:25:43 +00003853 it->second.refCount++;
Emilian Peev53722fa2019-02-22 17:47:20 -08003854 } else {
Austin Borger65577682022-02-17 00:25:43 +00003855 MonitoredUid monitoredUid;
3856 monitoredUid.procState = ActivityManager::PROCESS_STATE_NONEXISTENT;
3857 monitoredUid.refCount = 1;
3858 mMonitoredUids.emplace(std::pair<uid_t, MonitoredUid>(uid, monitoredUid));
Emilian Peev53722fa2019-02-22 17:47:20 -08003859 }
3860}
3861
3862void CameraService::UidPolicy::unregisterMonitorUid(uid_t uid) {
3863 Mutex::Autolock _l(mUidLock);
3864 auto it = mMonitoredUids.find(uid);
3865 if (it != mMonitoredUids.end()) {
Austin Borger65577682022-02-17 00:25:43 +00003866 it->second.refCount--;
3867 if (it->second.refCount == 0) {
Emilian Peev53722fa2019-02-22 17:47:20 -08003868 mMonitoredUids.erase(it);
3869 }
3870 } else {
3871 ALOGE("%s: Trying to unregister uid: %d which is not monitored!", __FUNCTION__, uid);
3872 }
3873}
3874
Svet Ganov7b4ab782018-03-25 12:48:10 -07003875bool CameraService::UidPolicy::isUidActive(uid_t uid, String16 callingPackage) {
Svet Ganova453d0d2018-01-11 15:37:58 -08003876 Mutex::Autolock _l(mUidLock);
Svet Ganov7b4ab782018-03-25 12:48:10 -07003877 return isUidActiveLocked(uid, callingPackage);
Svet Ganova453d0d2018-01-11 15:37:58 -08003878}
3879
Eino-Ville Talvala32b8c202018-08-20 10:27:58 -07003880static const int64_t kPollUidActiveTimeoutTotalMillis = 300;
3881static const int64_t kPollUidActiveTimeoutMillis = 50;
Svet Ganov94ec46f2018-06-08 15:03:46 -07003882
Svet Ganov7b4ab782018-03-25 12:48:10 -07003883bool CameraService::UidPolicy::isUidActiveLocked(uid_t uid, String16 callingPackage) {
Svet Ganova453d0d2018-01-11 15:37:58 -08003884 // Non-app UIDs are considered always active
Eino-Ville Talvala8abec3f2018-03-20 11:07:00 -07003885 // If activity manager is unreachable, assume everything is active
3886 if (uid < FIRST_APPLICATION_UID || !mRegistered) {
Svet Ganova453d0d2018-01-11 15:37:58 -08003887 return true;
3888 }
3889 auto it = mOverrideUids.find(uid);
3890 if (it != mOverrideUids.end()) {
3891 return it->second;
3892 }
Svet Ganov7b4ab782018-03-25 12:48:10 -07003893 bool active = mActiveUids.find(uid) != mActiveUids.end();
3894 if (!active) {
3895 // We want active UIDs to always access camera with their first attempt since
3896 // there is no guarantee the app is robustly written and would retry getting
3897 // the camera on failure. The inverse case is not a problem as we would take
3898 // camera away soon once we get the callback that the uid is no longer active.
3899 ActivityManager am;
3900 // Okay to access with a lock held as UID changes are dispatched without
3901 // a lock and we are a higher level component.
Svet Ganov94ec46f2018-06-08 15:03:46 -07003902 int64_t startTimeMillis = 0;
3903 do {
3904 // TODO: Fix this b/109950150!
3905 // Okay this is a hack. There is a race between the UID turning active and
3906 // activity being resumed. The proper fix is very risky, so we temporary add
3907 // some polling which should happen pretty rarely anyway as the race is hard
3908 // to hit.
Eino-Ville Talvala32b8c202018-08-20 10:27:58 -07003909 active = mActiveUids.find(uid) != mActiveUids.end();
Hui Yu12c7ec72020-05-04 17:40:52 +00003910 if (!active) active = am.isUidActive(uid, callingPackage);
Svet Ganov94ec46f2018-06-08 15:03:46 -07003911 if (active) {
3912 break;
3913 }
3914 if (startTimeMillis <= 0) {
3915 startTimeMillis = uptimeMillis();
3916 }
3917 int64_t ellapsedTimeMillis = uptimeMillis() - startTimeMillis;
Eino-Ville Talvala32b8c202018-08-20 10:27:58 -07003918 int64_t remainingTimeMillis = kPollUidActiveTimeoutTotalMillis - ellapsedTimeMillis;
Svet Ganov94ec46f2018-06-08 15:03:46 -07003919 if (remainingTimeMillis <= 0) {
3920 break;
3921 }
Eino-Ville Talvala32b8c202018-08-20 10:27:58 -07003922 remainingTimeMillis = std::min(kPollUidActiveTimeoutMillis, remainingTimeMillis);
3923
3924 mUidLock.unlock();
Svet Ganov94ec46f2018-06-08 15:03:46 -07003925 usleep(remainingTimeMillis * 1000);
Eino-Ville Talvala32b8c202018-08-20 10:27:58 -07003926 mUidLock.lock();
Svet Ganov94ec46f2018-06-08 15:03:46 -07003927 } while (true);
3928
Svet Ganov7b4ab782018-03-25 12:48:10 -07003929 if (active) {
3930 // Now that we found out the UID is actually active, cache that
3931 mActiveUids.insert(uid);
3932 }
3933 }
3934 return active;
Svet Ganova453d0d2018-01-11 15:37:58 -08003935}
3936
Varun Shahb42f1eb2019-04-16 14:45:13 -07003937int32_t CameraService::UidPolicy::getProcState(uid_t uid) {
3938 Mutex::Autolock _l(mUidLock);
3939 return getProcStateLocked(uid);
3940}
3941
3942int32_t CameraService::UidPolicy::getProcStateLocked(uid_t uid) {
3943 int32_t procState = ActivityManager::PROCESS_STATE_UNKNOWN;
3944 if (mMonitoredUids.find(uid) != mMonitoredUids.end()) {
Austin Borger65577682022-02-17 00:25:43 +00003945 procState = mMonitoredUids[uid].procState;
Varun Shahb42f1eb2019-04-16 14:45:13 -07003946 }
3947 return procState;
3948}
3949
Svet Ganov7b4ab782018-03-25 12:48:10 -07003950void CameraService::UidPolicy::UidPolicy::addOverrideUid(uid_t uid,
3951 String16 callingPackage, bool active) {
3952 updateOverrideUid(uid, callingPackage, active, true);
Svet Ganova453d0d2018-01-11 15:37:58 -08003953}
3954
Svet Ganov7b4ab782018-03-25 12:48:10 -07003955void CameraService::UidPolicy::removeOverrideUid(uid_t uid, String16 callingPackage) {
3956 updateOverrideUid(uid, callingPackage, false, false);
Svet Ganova453d0d2018-01-11 15:37:58 -08003957}
3958
Eino-Ville Talvala8abec3f2018-03-20 11:07:00 -07003959void CameraService::UidPolicy::binderDied(const wp<IBinder>& /*who*/) {
3960 Mutex::Autolock _l(mUidLock);
3961 ALOGV("UidPolicy: ActivityManager has died");
3962 mRegistered = false;
3963 mActiveUids.clear();
3964}
3965
Svet Ganov7b4ab782018-03-25 12:48:10 -07003966void CameraService::UidPolicy::updateOverrideUid(uid_t uid, String16 callingPackage,
3967 bool active, bool insert) {
Svet Ganova453d0d2018-01-11 15:37:58 -08003968 bool wasActive = false;
3969 bool isActive = false;
3970 {
3971 Mutex::Autolock _l(mUidLock);
Svet Ganov7b4ab782018-03-25 12:48:10 -07003972 wasActive = isUidActiveLocked(uid, callingPackage);
Svet Ganova453d0d2018-01-11 15:37:58 -08003973 mOverrideUids.erase(uid);
3974 if (insert) {
3975 mOverrideUids.insert(std::pair<uid_t, bool>(uid, active));
3976 }
Svet Ganov7b4ab782018-03-25 12:48:10 -07003977 isActive = isUidActiveLocked(uid, callingPackage);
Svet Ganova453d0d2018-01-11 15:37:58 -08003978 }
3979 if (wasActive != isActive && !isActive) {
3980 sp<CameraService> service = mService.promote();
3981 if (service != nullptr) {
3982 service->blockClientsForUid(uid);
3983 }
3984 }
3985}
3986
3987// ----------------------------------------------------------------------------
Michael Grooverd1d435a2018-12-18 17:39:42 -08003988// SensorPrivacyPolicy
3989// ----------------------------------------------------------------------------
3990void CameraService::SensorPrivacyPolicy::registerSelf() {
3991 Mutex::Autolock _l(mSensorPrivacyLock);
3992 if (mRegistered) {
3993 return;
3994 }
Evan Severson09ab4002021-02-10 14:15:19 -08003995 hasCameraPrivacyFeature(); // Called so the result is cached
Steven Moreland3cf67172020-01-29 11:44:22 -08003996 mSpm.addSensorPrivacyListener(this);
3997 mSensorPrivacyEnabled = mSpm.isSensorPrivacyEnabled();
3998 status_t res = mSpm.linkToDeath(this);
Michael Grooverd1d435a2018-12-18 17:39:42 -08003999 if (res == OK) {
4000 mRegistered = true;
4001 ALOGV("SensorPrivacyPolicy: Registered with SensorPrivacyManager");
4002 }
4003}
4004
4005void CameraService::SensorPrivacyPolicy::unregisterSelf() {
4006 Mutex::Autolock _l(mSensorPrivacyLock);
Steven Moreland3cf67172020-01-29 11:44:22 -08004007 mSpm.removeSensorPrivacyListener(this);
4008 mSpm.unlinkToDeath(this);
Michael Grooverd1d435a2018-12-18 17:39:42 -08004009 mRegistered = false;
4010 ALOGV("SensorPrivacyPolicy: Unregistered with SensorPrivacyManager");
4011}
4012
4013bool CameraService::SensorPrivacyPolicy::isSensorPrivacyEnabled() {
4014 Mutex::Autolock _l(mSensorPrivacyLock);
4015 return mSensorPrivacyEnabled;
4016}
4017
Evan Seversond0b69922022-01-27 10:47:34 -08004018bool CameraService::SensorPrivacyPolicy::isCameraPrivacyEnabled() {
Evan Severson09ab4002021-02-10 14:15:19 -08004019 if (!hasCameraPrivacyFeature()) {
4020 return false;
4021 }
Evan Seversond0b69922022-01-27 10:47:34 -08004022 return mSpm.isToggleSensorPrivacyEnabled(SensorPrivacyManager::TOGGLE_SENSOR_CAMERA);
Evan Severson09ab4002021-02-10 14:15:19 -08004023}
4024
Evan Seversond0b69922022-01-27 10:47:34 -08004025binder::Status CameraService::SensorPrivacyPolicy::onSensorPrivacyChanged(
4026 int toggleType __unused, int sensor __unused, bool enabled) {
Michael Grooverd1d435a2018-12-18 17:39:42 -08004027 {
4028 Mutex::Autolock _l(mSensorPrivacyLock);
Kwangkyu Parke3af2992022-11-05 02:46:52 +09004029 mSensorPrivacyEnabled = enabled;
Michael Grooverd1d435a2018-12-18 17:39:42 -08004030 }
4031 // if sensor privacy is enabled then block all clients from accessing the camera
Evan Severson09ab4002021-02-10 14:15:19 -08004032 if (enabled) {
4033 sp<CameraService> service = mService.promote();
4034 if (service != nullptr) {
4035 service->blockAllClients();
Michael Grooverd1d435a2018-12-18 17:39:42 -08004036 }
4037 }
4038 return binder::Status::ok();
4039}
4040
4041void CameraService::SensorPrivacyPolicy::binderDied(const wp<IBinder>& /*who*/) {
4042 Mutex::Autolock _l(mSensorPrivacyLock);
4043 ALOGV("SensorPrivacyPolicy: SensorPrivacyManager has died");
4044 mRegistered = false;
4045}
4046
Evan Severson09ab4002021-02-10 14:15:19 -08004047bool CameraService::SensorPrivacyPolicy::hasCameraPrivacyFeature() {
Evan Seversond0b69922022-01-27 10:47:34 -08004048 bool supportsSoftwareToggle = mSpm.supportsSensorToggle(
4049 SensorPrivacyManager::TOGGLE_TYPE_SOFTWARE, SensorPrivacyManager::TOGGLE_SENSOR_CAMERA);
4050 bool supportsHardwareToggle = mSpm.supportsSensorToggle(
4051 SensorPrivacyManager::TOGGLE_TYPE_HARDWARE, SensorPrivacyManager::TOGGLE_SENSOR_CAMERA);
4052 return supportsSoftwareToggle || supportsHardwareToggle;
Evan Severson09ab4002021-02-10 14:15:19 -08004053}
4054
Michael Grooverd1d435a2018-12-18 17:39:42 -08004055// ----------------------------------------------------------------------------
Ruben Brunkcc776712015-02-17 20:18:47 -08004056// CameraState
4057// ----------------------------------------------------------------------------
4058
4059CameraService::CameraState::CameraState(const String8& id, int cost,
Shuzhen Wang403af6d2021-12-21 00:08:43 +00004060 const std::set<String8>& conflicting, SystemCameraKind systemCameraKind,
4061 const std::vector<std::string>& physicalCameras) : mId(id),
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -07004062 mStatus(StatusInternal::NOT_PRESENT), mCost(cost), mConflicting(conflicting),
Shuzhen Wang403af6d2021-12-21 00:08:43 +00004063 mSystemCameraKind(systemCameraKind), mPhysicalCameras(physicalCameras) {}
Ruben Brunkcc776712015-02-17 20:18:47 -08004064
4065CameraService::CameraState::~CameraState() {}
4066
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004067CameraService::StatusInternal CameraService::CameraState::getStatus() const {
Ruben Brunkcc776712015-02-17 20:18:47 -08004068 Mutex::Autolock lock(mStatusLock);
4069 return mStatus;
4070}
4071
Shuzhen Wang43858162020-01-10 13:42:15 -08004072std::vector<String8> CameraService::CameraState::getUnavailablePhysicalIds() const {
4073 Mutex::Autolock lock(mStatusLock);
4074 std::vector<String8> res(mUnavailablePhysicalIds.begin(), mUnavailablePhysicalIds.end());
4075 return res;
4076}
4077
Ruben Brunkcc776712015-02-17 20:18:47 -08004078CameraParameters CameraService::CameraState::getShimParams() const {
4079 return mShimParams;
4080}
4081
4082void CameraService::CameraState::setShimParams(const CameraParameters& params) {
4083 mShimParams = params;
4084}
4085
4086int CameraService::CameraState::getCost() const {
4087 return mCost;
4088}
4089
4090std::set<String8> CameraService::CameraState::getConflicting() const {
4091 return mConflicting;
4092}
4093
4094String8 CameraService::CameraState::getId() const {
4095 return mId;
4096}
4097
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -07004098SystemCameraKind CameraService::CameraState::getSystemCameraKind() const {
4099 return mSystemCameraKind;
4100}
4101
Shuzhen Wang403af6d2021-12-21 00:08:43 +00004102bool CameraService::CameraState::containsPhysicalCamera(const std::string& physicalCameraId) const {
4103 return std::find(mPhysicalCameras.begin(), mPhysicalCameras.end(), physicalCameraId)
4104 != mPhysicalCameras.end();
4105}
4106
Shuzhen Wang43858162020-01-10 13:42:15 -08004107bool CameraService::CameraState::addUnavailablePhysicalId(const String8& physicalId) {
4108 Mutex::Autolock lock(mStatusLock);
4109 auto result = mUnavailablePhysicalIds.insert(physicalId);
4110 return result.second;
4111}
4112
4113bool CameraService::CameraState::removeUnavailablePhysicalId(const String8& physicalId) {
4114 Mutex::Autolock lock(mStatusLock);
4115 auto count = mUnavailablePhysicalIds.erase(physicalId);
4116 return count > 0;
4117}
4118
Shuzhen Wange7aa0342021-08-03 11:29:47 -07004119void CameraService::CameraState::setClientPackage(const String8& clientPackage) {
4120 Mutex::Autolock lock(mStatusLock);
4121 mClientPackage = clientPackage;
4122}
4123
4124String8 CameraService::CameraState::getClientPackage() const {
4125 Mutex::Autolock lock(mStatusLock);
4126 return mClientPackage;
4127}
4128
Ruben Brunkcc776712015-02-17 20:18:47 -08004129// ----------------------------------------------------------------------------
Ruben Brunk99e69712015-05-26 17:25:07 -07004130// ClientEventListener
4131// ----------------------------------------------------------------------------
4132
4133void CameraService::ClientEventListener::onClientAdded(
4134 const resource_policy::ClientDescriptor<String8,
4135 sp<CameraService::BasicClient>>& descriptor) {
Chih-Hung Hsieh5404ee12016-08-09 14:25:53 -07004136 const auto& basicClient = descriptor.getValue();
Ruben Brunk99e69712015-05-26 17:25:07 -07004137 if (basicClient.get() != nullptr) {
4138 BatteryNotifier& notifier(BatteryNotifier::getInstance());
4139 notifier.noteStartCamera(descriptor.getKey(),
4140 static_cast<int>(basicClient->getClientUid()));
4141 }
4142}
4143
4144void CameraService::ClientEventListener::onClientRemoved(
4145 const resource_policy::ClientDescriptor<String8,
4146 sp<CameraService::BasicClient>>& descriptor) {
Chih-Hung Hsieh5404ee12016-08-09 14:25:53 -07004147 const auto& basicClient = descriptor.getValue();
Ruben Brunk99e69712015-05-26 17:25:07 -07004148 if (basicClient.get() != nullptr) {
4149 BatteryNotifier& notifier(BatteryNotifier::getInstance());
4150 notifier.noteStopCamera(descriptor.getKey(),
4151 static_cast<int>(basicClient->getClientUid()));
4152 }
4153}
4154
4155
4156// ----------------------------------------------------------------------------
Ruben Brunkcc776712015-02-17 20:18:47 -08004157// CameraClientManager
4158// ----------------------------------------------------------------------------
4159
Ruben Brunk99e69712015-05-26 17:25:07 -07004160CameraService::CameraClientManager::CameraClientManager() {
4161 setListener(std::make_shared<ClientEventListener>());
4162}
4163
Ruben Brunkcc776712015-02-17 20:18:47 -08004164CameraService::CameraClientManager::~CameraClientManager() {}
4165
4166sp<CameraService::BasicClient> CameraService::CameraClientManager::getCameraClient(
4167 const String8& id) const {
4168 auto descriptor = get(id);
4169 if (descriptor == nullptr) {
4170 return sp<BasicClient>{nullptr};
4171 }
4172 return descriptor->getValue();
4173}
4174
4175String8 CameraService::CameraClientManager::toString() const {
4176 auto all = getAll();
4177 String8 ret("[");
4178 bool hasAny = false;
4179 for (auto& i : all) {
4180 hasAny = true;
4181 String8 key = i->getKey();
4182 int32_t cost = i->getCost();
4183 int32_t pid = i->getOwnerId();
Emilian Peev8131a262017-02-01 12:33:43 +00004184 int32_t score = i->getPriority().getScore();
4185 int32_t state = i->getPriority().getState();
Ruben Brunkcc776712015-02-17 20:18:47 -08004186 auto conflicting = i->getConflicting();
4187 auto clientSp = i->getValue();
4188 String8 packageName;
Eino-Ville Talvala022f0cb2015-05-19 16:31:16 -07004189 userid_t clientUserId = 0;
Ruben Brunkcc776712015-02-17 20:18:47 -08004190 if (clientSp.get() != nullptr) {
4191 packageName = String8{clientSp->getPackageName()};
Ruben Brunk6267b532015-04-30 17:44:07 -07004192 uid_t clientUid = clientSp->getClientUid();
4193 clientUserId = multiuser_get_user_id(clientUid);
Ruben Brunkcc776712015-02-17 20:18:47 -08004194 }
Emilian Peev8131a262017-02-01 12:33:43 +00004195 ret.appendFormat("\n(Camera ID: %s, Cost: %" PRId32 ", PID: %" PRId32 ", Score: %"
4196 PRId32 ", State: %" PRId32, key.string(), cost, pid, score, state);
Ruben Brunkcc776712015-02-17 20:18:47 -08004197
Ruben Brunk6267b532015-04-30 17:44:07 -07004198 if (clientSp.get() != nullptr) {
4199 ret.appendFormat("User Id: %d, ", clientUserId);
4200 }
Ruben Brunkcc776712015-02-17 20:18:47 -08004201 if (packageName.size() != 0) {
4202 ret.appendFormat("Client Package Name: %s", packageName.string());
4203 }
4204
4205 ret.append(", Conflicting Client Devices: {");
4206 for (auto& j : conflicting) {
4207 ret.appendFormat("%s, ", j.string());
4208 }
4209 ret.append("})");
4210 }
4211 if (hasAny) ret.append("\n");
4212 ret.append("]\n");
4213 return ret;
4214}
4215
4216CameraService::DescriptorPtr CameraService::CameraClientManager::makeClientDescriptor(
4217 const String8& key, const sp<BasicClient>& value, int32_t cost,
Emilian Peev8131a262017-02-01 12:33:43 +00004218 const std::set<String8>& conflictingKeys, int32_t score, int32_t ownerId,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08004219 int32_t state, int32_t oomScoreOffset, bool systemNativeClient) {
Ruben Brunkcc776712015-02-17 20:18:47 -08004220
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08004221 int32_t score_adj = systemNativeClient ? kSystemNativeClientScore : score;
4222 int32_t state_adj = systemNativeClient ? kSystemNativeClientState: state;
Jayant Chowdharyc578a502019-05-08 10:57:54 -07004223
Ruben Brunkcc776712015-02-17 20:18:47 -08004224 return std::make_shared<resource_policy::ClientDescriptor<String8, sp<BasicClient>>>(
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08004225 key, value, cost, conflictingKeys, score_adj, ownerId, state_adj,
4226 systemNativeClient, oomScoreOffset);
Ruben Brunkcc776712015-02-17 20:18:47 -08004227}
4228
4229CameraService::DescriptorPtr CameraService::CameraClientManager::makeClientDescriptor(
Jayant Chowdhary8eb8d912021-05-18 17:41:56 +00004230 const sp<BasicClient>& value, const CameraService::DescriptorPtr& partial,
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08004231 int32_t oomScoreOffset, bool systemNativeClient) {
Ruben Brunkcc776712015-02-17 20:18:47 -08004232 return makeClientDescriptor(partial->getKey(), value, partial->getCost(),
Emilian Peev8131a262017-02-01 12:33:43 +00004233 partial->getConflicting(), partial->getPriority().getScore(),
Jayant Chowdharyeb0169f2022-01-31 00:00:02 -08004234 partial->getOwnerId(), partial->getPriority().getState(), oomScoreOffset,
4235 systemNativeClient);
Ruben Brunkcc776712015-02-17 20:18:47 -08004236}
4237
4238// ----------------------------------------------------------------------------
Cliff Wud8cae102021-03-11 01:37:42 +08004239// InjectionStatusListener
4240// ----------------------------------------------------------------------------
4241
4242void CameraService::InjectionStatusListener::addListener(
4243 const sp<ICameraInjectionCallback>& callback) {
4244 Mutex::Autolock lock(mListenerLock);
4245 if (mCameraInjectionCallback) return;
4246 status_t res = IInterface::asBinder(callback)->linkToDeath(this);
4247 if (res == OK) {
4248 mCameraInjectionCallback = callback;
4249 }
4250}
4251
4252void CameraService::InjectionStatusListener::removeListener() {
4253 Mutex::Autolock lock(mListenerLock);
4254 if (mCameraInjectionCallback == nullptr) {
4255 ALOGW("InjectionStatusListener: mCameraInjectionCallback == nullptr");
4256 return;
4257 }
4258 IInterface::asBinder(mCameraInjectionCallback)->unlinkToDeath(this);
4259 mCameraInjectionCallback = nullptr;
4260}
4261
4262void CameraService::InjectionStatusListener::notifyInjectionError(
Cliff Wud3a05312021-04-26 23:07:31 +08004263 String8 injectedCamId, status_t err) {
Cliff Wud8cae102021-03-11 01:37:42 +08004264 if (mCameraInjectionCallback == nullptr) {
4265 ALOGW("InjectionStatusListener: mCameraInjectionCallback == nullptr");
4266 return;
4267 }
Cliff Wud3a05312021-04-26 23:07:31 +08004268
4269 switch (err) {
4270 case -ENODEV:
4271 mCameraInjectionCallback->onInjectionError(
4272 ICameraInjectionCallback::ERROR_INJECTION_SESSION);
4273 ALOGE("No camera device with ID \"%s\" currently available!",
4274 injectedCamId.string());
4275 break;
4276 case -EBUSY:
4277 mCameraInjectionCallback->onInjectionError(
4278 ICameraInjectionCallback::ERROR_INJECTION_SESSION);
4279 ALOGE("Higher-priority client using camera, ID \"%s\" currently unavailable!",
4280 injectedCamId.string());
4281 break;
4282 case DEAD_OBJECT:
4283 mCameraInjectionCallback->onInjectionError(
4284 ICameraInjectionCallback::ERROR_INJECTION_SESSION);
4285 ALOGE("Camera ID \"%s\" object is dead!",
4286 injectedCamId.string());
4287 break;
4288 case INVALID_OPERATION:
4289 mCameraInjectionCallback->onInjectionError(
4290 ICameraInjectionCallback::ERROR_INJECTION_SESSION);
4291 ALOGE("Camera ID \"%s\" encountered an operating or internal error!",
4292 injectedCamId.string());
4293 break;
4294 case UNKNOWN_TRANSACTION:
4295 mCameraInjectionCallback->onInjectionError(
4296 ICameraInjectionCallback::ERROR_INJECTION_UNSUPPORTED);
4297 ALOGE("Camera ID \"%s\" method doesn't support!",
4298 injectedCamId.string());
4299 break;
4300 default:
4301 mCameraInjectionCallback->onInjectionError(
4302 ICameraInjectionCallback::ERROR_INJECTION_INVALID_ERROR);
4303 ALOGE("Unexpected error %s (%d) opening camera \"%s\"!",
4304 strerror(-err), err, injectedCamId.string());
4305 }
Cliff Wud8cae102021-03-11 01:37:42 +08004306}
4307
4308void CameraService::InjectionStatusListener::binderDied(
4309 const wp<IBinder>& /*who*/) {
Cliff Wud8cae102021-03-11 01:37:42 +08004310 ALOGV("InjectionStatusListener: ICameraInjectionCallback has died");
4311 auto parent = mParent.promote();
4312 if (parent != nullptr) {
Cliff Wud3a05312021-04-26 23:07:31 +08004313 auto clientDescriptor = parent->mActiveClientManager.get(parent->mInjectionInternalCamId);
4314 if (clientDescriptor != nullptr) {
4315 BasicClient* baseClientPtr = clientDescriptor->getValue().get();
4316 baseClientPtr->stopInjection();
4317 }
Cliff Wu3b268182021-07-06 15:44:43 +08004318 parent->clearInjectionParameters();
Cliff Wud8cae102021-03-11 01:37:42 +08004319 }
4320}
4321
4322// ----------------------------------------------------------------------------
4323// CameraInjectionSession
4324// ----------------------------------------------------------------------------
4325
4326binder::Status CameraService::CameraInjectionSession::stopInjection() {
4327 Mutex::Autolock lock(mInjectionSessionLock);
4328 auto parent = mParent.promote();
4329 if (parent == nullptr) {
4330 ALOGE("CameraInjectionSession: Parent is gone");
4331 return STATUS_ERROR(ICameraInjectionCallback::ERROR_INJECTION_SERVICE,
4332 "Camera service encountered error");
4333 }
Cliff Wud3a05312021-04-26 23:07:31 +08004334
4335 status_t res = NO_ERROR;
Cliff Wud3a05312021-04-26 23:07:31 +08004336 auto clientDescriptor = parent->mActiveClientManager.get(parent->mInjectionInternalCamId);
4337 if (clientDescriptor != nullptr) {
4338 BasicClient* baseClientPtr = clientDescriptor->getValue().get();
4339 res = baseClientPtr->stopInjection();
4340 if (res != OK) {
4341 ALOGE("CameraInjectionSession: Failed to stop the injection camera!"
4342 " ret != NO_ERROR: %d", res);
4343 return STATUS_ERROR(ICameraInjectionCallback::ERROR_INJECTION_SESSION,
4344 "Camera session encountered error");
4345 }
4346 }
Cliff Wu3b268182021-07-06 15:44:43 +08004347 parent->clearInjectionParameters();
Cliff Wud8cae102021-03-11 01:37:42 +08004348 return binder::Status::ok();
4349}
4350
4351// ----------------------------------------------------------------------------
Mathias Agopian65ab4712010-07-14 17:59:35 -07004352
4353static const int kDumpLockRetries = 50;
4354static const int kDumpLockSleep = 60000;
4355
4356static bool tryLock(Mutex& mutex)
4357{
4358 bool locked = false;
4359 for (int i = 0; i < kDumpLockRetries; ++i) {
4360 if (mutex.tryLock() == NO_ERROR) {
4361 locked = true;
4362 break;
4363 }
4364 usleep(kDumpLockSleep);
4365 }
4366 return locked;
4367}
4368
Rucha Katakwardf223072021-06-15 10:21:00 -07004369void CameraService::cacheDump() {
4370 if (mMemFd != -1) {
4371 const Vector<String16> args;
4372 ATRACE_CALL();
4373 // Acquiring service lock here will avoid the deadlock since
4374 // cacheDump will not be called during the second disconnect.
4375 Mutex::Autolock lock(mServiceLock);
4376
4377 Mutex::Autolock l(mCameraStatesLock);
4378 // Start collecting the info for open sessions and store it in temp file.
4379 for (const auto& state : mCameraStates) {
4380 String8 cameraId = state.first;
4381 auto clientDescriptor = mActiveClientManager.get(cameraId);
4382 if (clientDescriptor != nullptr) {
4383 dprintf(mMemFd, "== Camera device %s dynamic info: ==\n", cameraId.string());
4384 // Log the current open session info before device is disconnected.
4385 dumpOpenSessionClientLogs(mMemFd, args, cameraId);
4386 }
4387 }
4388 }
4389}
4390
Mathias Agopian65ab4712010-07-14 17:59:35 -07004391status_t CameraService::dump(int fd, const Vector<String16>& args) {
Eino-Ville Talvalaa84bbe62015-09-08 17:59:17 -07004392 ATRACE_CALL();
4393
Jayant Chowdhary5216b212019-07-17 09:26:23 -07004394 if (checkCallingPermission(sDumpPermission) == false) {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004395 dprintf(fd, "Permission Denial: can't dump CameraService from pid=%d, uid=%d\n",
Jayant Chowdhary12361932018-08-27 14:46:13 -07004396 CameraThreadState::getCallingPid(),
4397 CameraThreadState::getCallingUid());
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004398 return NO_ERROR;
4399 }
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004400 bool locked = tryLock(mServiceLock);
4401 // failed to lock - CameraService is probably deadlocked
4402 if (!locked) {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004403 dprintf(fd, "!! CameraService may be deadlocked !!\n");
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004404 }
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07004405
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004406 if (!mInitialized) {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004407 dprintf(fd, "!! No camera HAL available !!\n");
Ruben Brunkf81648e2014-04-17 16:14:57 -07004408
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004409 // Dump event log for error information
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07004410 dumpEventLog(fd);
Ruben Brunkcc776712015-02-17 20:18:47 -08004411
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004412 if (locked) mServiceLock.unlock();
4413 return NO_ERROR;
4414 }
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004415 dprintf(fd, "\n== Service global info: ==\n\n");
4416 dprintf(fd, "Number of camera devices: %d\n", mNumberOfCameras);
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -08004417 dprintf(fd, "Number of normal camera devices: %zu\n", mNormalDeviceIds.size());
Jayant Chowdhary847947d2019-08-30 18:02:59 -07004418 dprintf(fd, "Number of public camera devices visible to API1: %zu\n",
4419 mNormalDeviceIdsWithoutSystemCamera.size());
Yin-Chia Yehc3e9d6f2018-02-06 10:56:32 -08004420 for (size_t i = 0; i < mNormalDeviceIds.size(); i++) {
4421 dprintf(fd, " Device %zu maps to \"%s\"\n", i, mNormalDeviceIds[i].c_str());
4422 }
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004423 String8 activeClientString = mActiveClientManager.toString();
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004424 dprintf(fd, "Active Camera Clients:\n%s", activeClientString.string());
4425 dprintf(fd, "Allowed user IDs: %s\n", toString(mAllowedUsers).string());
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004426
4427 dumpEventLog(fd);
4428
4429 bool stateLocked = tryLock(mCameraStatesLock);
4430 if (!stateLocked) {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004431 dprintf(fd, "CameraStates in use, may be deadlocked\n");
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004432 }
4433
Emilian Peevbd8c5032018-02-14 23:05:40 +00004434 int argSize = args.size();
4435 for (int i = 0; i < argSize; i++) {
4436 if (args[i] == TagMonitor::kMonitorOption) {
4437 if (i + 1 < argSize) {
4438 mMonitorTags = String8(args[i + 1]);
4439 }
4440 break;
4441 }
4442 }
4443
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004444 for (auto& state : mCameraStates) {
4445 String8 cameraId = state.first;
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004446
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004447 dprintf(fd, "== Camera device %s dynamic info: ==\n", cameraId.string());
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004448
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004449 CameraParameters p = state.second->getShimParams();
4450 if (!p.isEmpty()) {
4451 dprintf(fd, " Camera1 API shim is using parameters:\n ");
4452 p.dump(fd, args);
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004453 }
4454
4455 auto clientDescriptor = mActiveClientManager.get(cameraId);
Zhijun He2f140ed2017-02-08 09:57:23 -08004456 if (clientDescriptor != nullptr) {
Rucha Katakwardf223072021-06-15 10:21:00 -07004457 // log the current open session info
4458 dumpOpenSessionClientLogs(fd, args, cameraId);
Zhijun He2f140ed2017-02-08 09:57:23 -08004459 } else {
Rucha Katakwardf223072021-06-15 10:21:00 -07004460 dumpClosedSessionClientLogs(fd, cameraId);
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004461 }
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004462
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004463 }
4464
4465 if (stateLocked) mCameraStatesLock.unlock();
4466
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004467 if (locked) mServiceLock.unlock();
4468
Emilian Peevf53f66e2017-04-11 14:29:43 +01004469 mCameraProviderManager->dump(fd, args);
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004470
4471 dprintf(fd, "\n== Vendor tags: ==\n\n");
4472
4473 sp<VendorTagDescriptor> desc = VendorTagDescriptor::getGlobalVendorTagDescriptor();
4474 if (desc == NULL) {
Emilian Peev71c73a22017-03-21 16:35:51 +00004475 sp<VendorTagDescriptorCache> cache =
4476 VendorTagDescriptorCache::getGlobalVendorTagCache();
4477 if (cache == NULL) {
4478 dprintf(fd, "No vendor tags.\n");
4479 } else {
4480 cache->dump(fd, /*verbosity*/2, /*indentation*/2);
4481 }
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004482 } else {
4483 desc->dump(fd, /*verbosity*/2, /*indentation*/2);
4484 }
4485
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004486 // Dump camera traces if there were any
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004487 dprintf(fd, "\n");
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07004488 camera3::CameraTraces::dump(fd);
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004489
4490 // Process dump arguments, if any
4491 int n = args.size();
4492 String16 verboseOption("-v");
4493 String16 unreachableOption("--unreachable");
4494 for (int i = 0; i < n; i++) {
4495 if (args[i] == verboseOption) {
4496 // change logging level
4497 if (i + 1 >= n) continue;
4498 String8 levelStr(args[i+1]);
4499 int level = atoi(levelStr.string());
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004500 dprintf(fd, "\nSetting log level to %d.\n", level);
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004501 setLogLevel(level);
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004502 } else if (args[i] == unreachableOption) {
4503 // Dump memory analysis
4504 // TODO - should limit be an argument parameter?
4505 UnreachableMemoryInfo info;
4506 bool success = GetUnreachableMemory(info, /*limit*/ 10000);
4507 if (!success) {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004508 dprintf(fd, "\n== Unable to dump unreachable memory. "
4509 "Try disabling SELinux enforcement. ==\n");
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004510 } else {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004511 dprintf(fd, "\n== Dumping unreachable memory: ==\n");
Eino-Ville Talvala81314182017-01-30 16:13:45 -08004512 std::string s = info.ToString(/*log_contents*/ true);
4513 write(fd, s.c_str(), s.size());
Mathias Agopian65ab4712010-07-14 17:59:35 -07004514 }
4515 }
4516 }
Rucha Katakwardf223072021-06-15 10:21:00 -07004517
4518 bool serviceLocked = tryLock(mServiceLock);
4519
4520 // Dump info from previous open sessions.
4521 // Reposition the offset to beginning of the file before reading
4522
4523 if ((mMemFd >= 0) && (lseek(mMemFd, 0, SEEK_SET) != -1)) {
4524 dprintf(fd, "\n**********Dumpsys from previous open session**********\n");
4525 ssize_t size_read;
4526 char buf[4096];
4527 while ((size_read = read(mMemFd, buf, (sizeof(buf) - 1))) > 0) {
4528 // Read data from file to a small buffer and write it to fd.
4529 write(fd, buf, size_read);
4530 if (size_read == -1) {
4531 ALOGE("%s: Error during reading the file: %s", __FUNCTION__, sFileName);
4532 break;
4533 }
4534 }
4535 dprintf(fd, "\n**********End of Dumpsys from previous open session**********\n");
4536 } else {
4537 ALOGE("%s: Error during reading the file: %s", __FUNCTION__, sFileName);
4538 }
4539
4540 if (serviceLocked) mServiceLock.unlock();
Mathias Agopian65ab4712010-07-14 17:59:35 -07004541 return NO_ERROR;
4542}
4543
Rucha Katakwardf223072021-06-15 10:21:00 -07004544void CameraService::dumpOpenSessionClientLogs(int fd,
4545 const Vector<String16>& args, const String8& cameraId) {
4546 auto clientDescriptor = mActiveClientManager.get(cameraId);
Rucha Katakwar71a0e052022-04-07 15:44:18 -07004547 dprintf(fd, " %s : Device %s is open. Client instance dump:\n",
4548 getFormattedCurrentTime().string(),
4549 cameraId.string());
Rucha Katakwardf223072021-06-15 10:21:00 -07004550 dprintf(fd, " Client priority score: %d state: %d\n",
4551 clientDescriptor->getPriority().getScore(),
4552 clientDescriptor->getPriority().getState());
4553 dprintf(fd, " Client PID: %d\n", clientDescriptor->getOwnerId());
4554
4555 auto client = clientDescriptor->getValue();
4556 dprintf(fd, " Client package: %s\n",
4557 String8(client->getPackageName()).string());
4558
4559 client->dumpClient(fd, args);
4560}
4561
4562void CameraService::dumpClosedSessionClientLogs(int fd, const String8& cameraId) {
4563 dprintf(fd, " Device %s is closed, no client instance\n",
4564 cameraId.string());
4565}
4566
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07004567void CameraService::dumpEventLog(int fd) {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004568 dprintf(fd, "\n== Camera service events log (most recent at top): ==\n");
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07004569
4570 Mutex::Autolock l(mLogLock);
4571 for (const auto& msg : mEventLog) {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004572 dprintf(fd, " %s\n", msg.string());
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07004573 }
4574
4575 if (mEventLog.size() == DEFAULT_EVENT_LOG_LENGTH) {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004576 dprintf(fd, " ...\n");
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07004577 } else if (mEventLog.size() == 0) {
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004578 dprintf(fd, " [no events yet]\n");
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07004579 }
Eino-Ville Talvalad00111e2017-01-31 11:59:12 -08004580 dprintf(fd, "\n");
Eino-Ville Talvala1527f072015-04-07 15:55:31 -07004581}
4582
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07004583void CameraService::cacheClientTagDumpIfNeeded(const char *cameraId, BasicClient* client) {
4584 Mutex::Autolock lock(mLogLock);
4585 if (!isClientWatchedLocked(client)) { return; }
4586
4587 std::vector<std::string> dumpVector;
4588 client->dumpWatchedEventsToVector(dumpVector);
4589
4590 if (dumpVector.empty()) { return; }
4591
Avichal Rakesh882c08b2021-12-09 17:47:07 -08004592 std::string dumpString;
4593
4594 String8 currentTime = getFormattedCurrentTime();
4595 dumpString += "Cached @ ";
4596 dumpString += currentTime.string();
4597 dumpString += "\n"; // First line is the timestamp of when client is cached.
4598
4599
Avichal Rakesh1cda16b2021-11-09 16:51:02 -08004600 const String16 &packageName = client->getPackageName();
4601
4602 String8 packageName8 = String8(packageName);
4603 const char *printablePackageName = packageName8.lockBuffer(packageName.size());
4604
Avichal Rakesh882c08b2021-12-09 17:47:07 -08004605
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07004606 size_t i = dumpVector.size();
4607
4608 // Store the string in reverse order (latest last)
4609 while (i > 0) {
4610 i--;
4611 dumpString += cameraId;
4612 dumpString += ":";
Avichal Rakesh1cda16b2021-11-09 16:51:02 -08004613 dumpString += printablePackageName;
4614 dumpString += " ";
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07004615 dumpString += dumpVector[i]; // implicitly ends with '\n'
4616 }
4617
Avichal Rakesh1cda16b2021-11-09 16:51:02 -08004618 packageName8.unlockBuffer();
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07004619 mWatchedClientsDumpCache[packageName] = dumpString;
4620}
4621
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004622void CameraService::handleTorchClientBinderDied(const wp<IBinder> &who) {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08004623 Mutex::Autolock al(mTorchClientMapMutex);
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004624 for (size_t i = 0; i < mTorchClientMap.size(); i++) {
4625 if (mTorchClientMap[i] == who) {
4626 // turn off the torch mode that was turned on by dead client
Chien-Yu Chen88da5262015-02-17 13:56:46 -08004627 String8 cameraId = mTorchClientMap.keyAt(i);
4628 status_t res = mFlashlight->setTorchMode(cameraId, false);
4629 if (res) {
4630 ALOGE("%s: torch client died but couldn't turn off torch: "
4631 "%s (%d)", __FUNCTION__, strerror(-res), res);
4632 return;
4633 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004634 mTorchClientMap.removeItemsAt(i);
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004635 break;
4636 }
4637 }
4638}
4639
Ruben Brunkcc776712015-02-17 20:18:47 -08004640/*virtual*/void CameraService::binderDied(const wp<IBinder> &who) {
Igor Murashkinecf17e82012-10-02 16:05:11 -07004641
Igor Murashkin294d0ec2012-10-05 10:44:57 -07004642 /**
Ruben Brunka8ca9152015-04-07 14:23:40 -07004643 * While tempting to promote the wp<IBinder> into a sp, it's actually not supported by the
4644 * binder driver
Igor Murashkin294d0ec2012-10-05 10:44:57 -07004645 */
Yin-Chia Yehdbfcb382018-02-16 11:17:36 -08004646 // PID here is approximate and can be wrong.
Jayant Chowdhary12361932018-08-27 14:46:13 -07004647 logClientDied(CameraThreadState::getCallingPid(), String8("Binder died unexpectedly"));
Ruben Brunka8ca9152015-04-07 14:23:40 -07004648
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004649 // check torch client
4650 handleTorchClientBinderDied(who);
4651
4652 // check camera device client
Ruben Brunkcc776712015-02-17 20:18:47 -08004653 if(!evictClientIdByRemote(who)) {
4654 ALOGV("%s: Java client's binder death already cleaned up (normal case)", __FUNCTION__);
Igor Murashkinecf17e82012-10-02 16:05:11 -07004655 return;
4656 }
4657
Ruben Brunkcc776712015-02-17 20:18:47 -08004658 ALOGE("%s: Java client's binder died, removing it from the list of active clients",
4659 __FUNCTION__);
Igor Murashkinecf17e82012-10-02 16:05:11 -07004660}
4661
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004662void CameraService::updateStatus(StatusInternal status, const String8& cameraId) {
Ruben Brunkcc776712015-02-17 20:18:47 -08004663 updateStatus(status, cameraId, {});
Igor Murashkinbfc99152013-02-27 12:55:20 -08004664}
4665
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004666void CameraService::updateStatus(StatusInternal status, const String8& cameraId,
4667 std::initializer_list<StatusInternal> rejectSourceStates) {
Ruben Brunkcc776712015-02-17 20:18:47 -08004668 // Do not lock mServiceLock here or can get into a deadlock from
4669 // connect() -> disconnect -> updateStatus
4670
4671 auto state = getCameraState(cameraId);
4672
4673 if (state == nullptr) {
4674 ALOGW("%s: Could not update the status for %s, no such device exists", __FUNCTION__,
4675 cameraId.string());
4676 return;
Igor Murashkincba2c162013-03-20 15:56:31 -07004677 }
4678
Jayant Chowdhary33e8ef82019-09-27 09:20:42 -07004679 // Avoid calling getSystemCameraKind() with mStatusListenerLock held (b/141756275)
4680 SystemCameraKind deviceKind = SystemCameraKind::PUBLIC;
4681 if (getSystemCameraKind(cameraId, &deviceKind) != OK) {
4682 ALOGE("%s: Invalid camera id %s, skipping", __FUNCTION__, cameraId.string());
4683 return;
4684 }
Jayant Chowdhary5e2cd302020-08-14 02:48:34 +00004685
4686 // Collect the logical cameras without holding mStatusLock in updateStatus
4687 // as that can lead to a deadlock(b/162192331).
4688 auto logicalCameraIds = getLogicalCameras(cameraId);
Ruben Brunkcc776712015-02-17 20:18:47 -08004689 // Update the status for this camera state, then send the onStatusChangedCallbacks to each
Shuzhen Wang43858162020-01-10 13:42:15 -08004690 // of the listeners with both the mStatusLock and mStatusListenerLock held
Shuzhen Wangb8259792021-05-27 09:27:06 -07004691 state->updateStatus(status, cameraId, rejectSourceStates, [this, &deviceKind,
Jayant Chowdhary5e2cd302020-08-14 02:48:34 +00004692 &logicalCameraIds]
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004693 (const String8& cameraId, StatusInternal status) {
Ruben Brunkcc776712015-02-17 20:18:47 -08004694
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004695 if (status != StatusInternal::ENUMERATING) {
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07004696 // Update torch status if it has a flash unit.
4697 Mutex::Autolock al(mTorchStatusMutex);
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004698 TorchModeStatus torchStatus;
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07004699 if (getTorchStatusLocked(cameraId, &torchStatus) !=
4700 NAME_NOT_FOUND) {
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004701 TorchModeStatus newTorchStatus =
4702 status == StatusInternal::PRESENT ?
4703 TorchModeStatus::AVAILABLE_OFF :
4704 TorchModeStatus::NOT_AVAILABLE;
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07004705 if (torchStatus != newTorchStatus) {
Jayant Chowdhary8c62d892021-03-31 02:13:46 -07004706 onTorchStatusChangedLocked(cameraId, newTorchStatus, deviceKind);
Chien-Yu Chenf6463fc2015-04-07 15:11:31 -07004707 }
4708 }
Ruben Brunkcc776712015-02-17 20:18:47 -08004709 }
4710
4711 Mutex::Autolock lock(mStatusListenerLock);
Jayant Chowdhary5e2cd302020-08-14 02:48:34 +00004712 notifyPhysicalCameraStatusLocked(mapToInterface(status), String16(cameraId),
4713 logicalCameraIds, deviceKind);
Shuzhen Wang43858162020-01-10 13:42:15 -08004714
Ruben Brunkcc776712015-02-17 20:18:47 -08004715 for (auto& listener : mListenerList) {
Jayant Chowdhary90e63692019-10-25 14:13:01 -07004716 bool isVendorListener = listener->isVendorListener();
4717 if (shouldSkipStatusUpdates(deviceKind, isVendorListener,
4718 listener->getListenerPid(), listener->getListenerUid()) ||
Shuzhen Wangb8259792021-05-27 09:27:06 -07004719 isVendorListener) {
4720 ALOGV("Skipping discovery callback for system-only camera device %s",
Jayant Chowdhary5216b212019-07-17 09:26:23 -07004721 cameraId.c_str());
Jayant Chowdharyf949ddd2019-01-29 14:34:11 -08004722 continue;
4723 }
Jayant Chowdhary5216b212019-07-17 09:26:23 -07004724 listener->getListener()->onStatusChanged(mapToInterface(status),
Emilian Peev53722fa2019-02-22 17:47:20 -08004725 String16(cameraId));
Ruben Brunkcc776712015-02-17 20:18:47 -08004726 }
4727 });
Igor Murashkincba2c162013-03-20 15:56:31 -07004728}
4729
Shuzhen Wang695044d2020-03-06 09:02:23 -08004730void CameraService::updateOpenCloseStatus(const String8& cameraId, bool open,
4731 const String16& clientPackageName) {
Shuzhen Wange7aa0342021-08-03 11:29:47 -07004732 auto state = getCameraState(cameraId);
4733 if (state == nullptr) {
4734 ALOGW("%s: Could not update the status for %s, no such device exists", __FUNCTION__,
4735 cameraId.string());
4736 return;
4737 }
4738 if (open) {
4739 state->setClientPackage(String8(clientPackageName));
4740 } else {
4741 state->setClientPackage(String8::empty());
4742 }
4743
Shuzhen Wang695044d2020-03-06 09:02:23 -08004744 Mutex::Autolock lock(mStatusListenerLock);
4745
4746 for (const auto& it : mListenerList) {
4747 if (!it->isOpenCloseCallbackAllowed()) {
4748 continue;
4749 }
4750
4751 binder::Status ret;
4752 String16 cameraId64(cameraId);
4753 if (open) {
4754 ret = it->getListener()->onCameraOpened(cameraId64, clientPackageName);
4755 } else {
4756 ret = it->getListener()->onCameraClosed(cameraId64);
4757 }
4758 if (!ret.isOk()) {
4759 ALOGE("%s: Failed to trigger onCameraOpened/onCameraClosed callback: %d", __FUNCTION__,
4760 ret.exceptionCode());
4761 }
4762 }
4763}
4764
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004765template<class Func>
4766void CameraService::CameraState::updateStatus(StatusInternal status,
4767 const String8& cameraId,
4768 std::initializer_list<StatusInternal> rejectSourceStates,
4769 Func onStatusUpdatedLocked) {
4770 Mutex::Autolock lock(mStatusLock);
4771 StatusInternal oldStatus = mStatus;
4772 mStatus = status;
4773
4774 if (oldStatus == status) {
4775 return;
4776 }
4777
4778 ALOGV("%s: Status has changed for camera ID %s from %#x to %#x", __FUNCTION__,
4779 cameraId.string(), oldStatus, status);
4780
4781 if (oldStatus == StatusInternal::NOT_PRESENT &&
4782 (status != StatusInternal::PRESENT &&
4783 status != StatusInternal::ENUMERATING)) {
4784
4785 ALOGW("%s: From NOT_PRESENT can only transition into PRESENT or ENUMERATING",
4786 __FUNCTION__);
4787 mStatus = oldStatus;
4788 return;
4789 }
4790
4791 /**
4792 * Sometimes we want to conditionally do a transition.
4793 * For example if a client disconnects, we want to go to PRESENT
4794 * only if we weren't already in NOT_PRESENT or ENUMERATING.
4795 */
4796 for (auto& rejectStatus : rejectSourceStates) {
4797 if (oldStatus == rejectStatus) {
4798 ALOGV("%s: Rejecting status transition for Camera ID %s, since the source "
4799 "state was was in one of the bad states.", __FUNCTION__, cameraId.string());
4800 mStatus = oldStatus;
4801 return;
4802 }
4803 }
4804
4805 onStatusUpdatedLocked(cameraId, status);
4806}
4807
Chien-Yu Chen88da5262015-02-17 13:56:46 -08004808status_t CameraService::getTorchStatusLocked(
4809 const String8& cameraId,
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004810 TorchModeStatus *status) const {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08004811 if (!status) {
4812 return BAD_VALUE;
4813 }
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004814 ssize_t index = mTorchStatusMap.indexOfKey(cameraId);
4815 if (index == NAME_NOT_FOUND) {
Chien-Yu Chen88da5262015-02-17 13:56:46 -08004816 // invalid camera ID or the camera doesn't have a flash unit
4817 return NAME_NOT_FOUND;
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004818 }
4819
Chien-Yu Chen88da5262015-02-17 13:56:46 -08004820 *status = mTorchStatusMap.valueAt(index);
4821 return OK;
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004822}
4823
Chien-Yu Chen88da5262015-02-17 13:56:46 -08004824status_t CameraService::setTorchStatusLocked(const String8& cameraId,
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004825 TorchModeStatus status) {
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004826 ssize_t index = mTorchStatusMap.indexOfKey(cameraId);
4827 if (index == NAME_NOT_FOUND) {
4828 return BAD_VALUE;
4829 }
Eino-Ville Talvalaf51fca22016-12-13 11:25:55 -08004830 mTorchStatusMap.editValueAt(index) = status;
Chien-Yu Chen3068d732015-02-09 13:29:57 -08004831
4832 return OK;
4833}
4834
Jayant Chowdhary5e2cd302020-08-14 02:48:34 +00004835std::list<String16> CameraService::getLogicalCameras(
4836 const String8& physicalCameraId) {
4837 std::list<String16> retList;
Shuzhen Wang43858162020-01-10 13:42:15 -08004838 Mutex::Autolock lock(mCameraStatesLock);
4839 for (const auto& state : mCameraStates) {
Shuzhen Wang403af6d2021-12-21 00:08:43 +00004840 if (state.second->containsPhysicalCamera(physicalCameraId.c_str())) {
4841 retList.emplace_back(String16(state.first));
Shuzhen Wang43858162020-01-10 13:42:15 -08004842 }
Jayant Chowdhary5e2cd302020-08-14 02:48:34 +00004843 }
4844 return retList;
4845}
4846
4847void CameraService::notifyPhysicalCameraStatusLocked(int32_t status,
4848 const String16& physicalCameraId, const std::list<String16>& logicalCameraIds,
4849 SystemCameraKind deviceKind) {
4850 // mStatusListenerLock is expected to be locked
4851 for (const auto& logicalCameraId : logicalCameraIds) {
Shuzhen Wang43858162020-01-10 13:42:15 -08004852 for (auto& listener : mListenerList) {
Jayant Chowdhary5e2cd302020-08-14 02:48:34 +00004853 // Note: we check only the deviceKind of the physical camera id
4854 // since, logical camera ids and their physical camera ids are
4855 // guaranteed to have the same system camera kind.
Jayant Chowdharyd1478ce2020-05-07 17:35:23 -07004856 if (shouldSkipStatusUpdates(deviceKind, listener->isVendorListener(),
4857 listener->getListenerPid(), listener->getListenerUid())) {
4858 ALOGV("Skipping discovery callback for system-only camera device %s",
Jayant Chowdhary5e2cd302020-08-14 02:48:34 +00004859 String8(physicalCameraId).c_str());
Jayant Chowdharyd1478ce2020-05-07 17:35:23 -07004860 continue;
4861 }
Shuzhen Wang43858162020-01-10 13:42:15 -08004862 listener->getListener()->onPhysicalCameraStatusChanged(status,
Jayant Chowdhary5e2cd302020-08-14 02:48:34 +00004863 logicalCameraId, physicalCameraId);
Shuzhen Wang43858162020-01-10 13:42:15 -08004864 }
4865 }
4866}
4867
Jayant Chowdhary5e2cd302020-08-14 02:48:34 +00004868
Svet Ganova453d0d2018-01-11 15:37:58 -08004869void CameraService::blockClientsForUid(uid_t uid) {
4870 const auto clients = mActiveClientManager.getAll();
4871 for (auto& current : clients) {
4872 if (current != nullptr) {
4873 const auto basicClient = current->getValue();
4874 if (basicClient.get() != nullptr && basicClient->getClientUid() == uid) {
4875 basicClient->block();
4876 }
4877 }
4878 }
4879}
4880
Michael Grooverd1d435a2018-12-18 17:39:42 -08004881void CameraService::blockAllClients() {
4882 const auto clients = mActiveClientManager.getAll();
4883 for (auto& current : clients) {
4884 if (current != nullptr) {
4885 const auto basicClient = current->getValue();
4886 if (basicClient.get() != nullptr) {
4887 basicClient->block();
4888 }
4889 }
4890 }
4891}
4892
Svet Ganova453d0d2018-01-11 15:37:58 -08004893// NOTE: This is a remote API - make sure all args are validated
4894status_t CameraService::shellCommand(int in, int out, int err, const Vector<String16>& args) {
4895 if (!checkCallingPermission(sManageCameraPermission, nullptr, nullptr)) {
4896 return PERMISSION_DENIED;
4897 }
4898 if (in == BAD_TYPE || out == BAD_TYPE || err == BAD_TYPE) {
4899 return BAD_VALUE;
4900 }
Nicholas Sauera3620332019-04-03 14:05:17 -07004901 if (args.size() >= 3 && args[0] == String16("set-uid-state")) {
Svet Ganova453d0d2018-01-11 15:37:58 -08004902 return handleSetUidState(args, err);
Nicholas Sauera3620332019-04-03 14:05:17 -07004903 } else if (args.size() >= 2 && args[0] == String16("reset-uid-state")) {
Svet Ganova453d0d2018-01-11 15:37:58 -08004904 return handleResetUidState(args, err);
Nicholas Sauera3620332019-04-03 14:05:17 -07004905 } else if (args.size() >= 2 && args[0] == String16("get-uid-state")) {
Svet Ganova453d0d2018-01-11 15:37:58 -08004906 return handleGetUidState(args, out, err);
Eino-Ville Talvalaf2e37092020-01-07 15:32:32 -08004907 } else if (args.size() >= 2 && args[0] == String16("set-rotate-and-crop")) {
4908 return handleSetRotateAndCrop(args);
4909 } else if (args.size() >= 1 && args[0] == String16("get-rotate-and-crop")) {
4910 return handleGetRotateAndCrop(out);
Shuzhen Wangabbcb6b2020-12-09 22:32:44 -08004911 } else if (args.size() >= 2 && args[0] == String16("set-image-dump-mask")) {
4912 return handleSetImageDumpMask(args);
4913 } else if (args.size() >= 1 && args[0] == String16("get-image-dump-mask")) {
4914 return handleGetImageDumpMask(out);
Eino-Ville Talvala305cec62020-11-12 14:18:17 -08004915 } else if (args.size() >= 2 && args[0] == String16("set-camera-mute")) {
4916 return handleSetCameraMute(args);
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07004917 } else if (args.size() >= 2 && args[0] == String16("watch")) {
Avichal Rakesh84147132021-11-11 17:47:11 -08004918 return handleWatchCommand(args, in, out);
Ravneet74cd3732022-03-30 05:33:03 +00004919 } else if (args.size() >= 2 && args[0] == String16("set-watchdog")) {
4920 return handleSetCameraServiceWatchdog(args);
Svet Ganova453d0d2018-01-11 15:37:58 -08004921 } else if (args.size() == 1 && args[0] == String16("help")) {
4922 printHelp(out);
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07004923 return OK;
Svet Ganova453d0d2018-01-11 15:37:58 -08004924 }
4925 printHelp(err);
4926 return BAD_VALUE;
4927}
4928
4929status_t CameraService::handleSetUidState(const Vector<String16>& args, int err) {
Nicholas Sauera3620332019-04-03 14:05:17 -07004930 String16 packageName = args[1];
4931
Svet Ganova453d0d2018-01-11 15:37:58 -08004932 bool active = false;
4933 if (args[2] == String16("active")) {
4934 active = true;
4935 } else if ((args[2] != String16("idle"))) {
4936 ALOGE("Expected active or idle but got: '%s'", String8(args[2]).string());
4937 return BAD_VALUE;
4938 }
Nicholas Sauera3620332019-04-03 14:05:17 -07004939
4940 int userId = 0;
4941 if (args.size() >= 5 && args[3] == String16("--user")) {
4942 userId = atoi(String8(args[4]));
4943 }
4944
4945 uid_t uid;
4946 if (getUidForPackage(packageName, userId, uid, err) == BAD_VALUE) {
4947 return BAD_VALUE;
4948 }
4949
4950 mUidPolicy->addOverrideUid(uid, packageName, active);
Svet Ganova453d0d2018-01-11 15:37:58 -08004951 return NO_ERROR;
4952}
4953
4954status_t CameraService::handleResetUidState(const Vector<String16>& args, int err) {
Nicholas Sauera3620332019-04-03 14:05:17 -07004955 String16 packageName = args[1];
4956
4957 int userId = 0;
4958 if (args.size() >= 4 && args[2] == String16("--user")) {
4959 userId = atoi(String8(args[3]));
4960 }
4961
4962 uid_t uid;
4963 if (getUidForPackage(packageName, userId, uid, err) == BAD_VALUE) {
Svet Ganova453d0d2018-01-11 15:37:58 -08004964 return BAD_VALUE;
4965 }
Nicholas Sauera3620332019-04-03 14:05:17 -07004966
4967 mUidPolicy->removeOverrideUid(uid, packageName);
Svet Ganova453d0d2018-01-11 15:37:58 -08004968 return NO_ERROR;
4969}
4970
4971status_t CameraService::handleGetUidState(const Vector<String16>& args, int out, int err) {
Nicholas Sauera3620332019-04-03 14:05:17 -07004972 String16 packageName = args[1];
4973
4974 int userId = 0;
4975 if (args.size() >= 4 && args[2] == String16("--user")) {
4976 userId = atoi(String8(args[3]));
4977 }
4978
4979 uid_t uid;
4980 if (getUidForPackage(packageName, userId, uid, err) == BAD_VALUE) {
Svet Ganova453d0d2018-01-11 15:37:58 -08004981 return BAD_VALUE;
4982 }
Nicholas Sauera3620332019-04-03 14:05:17 -07004983
4984 if (mUidPolicy->isUidActive(uid, packageName)) {
Svet Ganova453d0d2018-01-11 15:37:58 -08004985 return dprintf(out, "active\n");
4986 } else {
4987 return dprintf(out, "idle\n");
4988 }
4989}
4990
Eino-Ville Talvalaf2e37092020-01-07 15:32:32 -08004991status_t CameraService::handleSetRotateAndCrop(const Vector<String16>& args) {
4992 int rotateValue = atoi(String8(args[1]));
4993 if (rotateValue < ANDROID_SCALER_ROTATE_AND_CROP_NONE ||
4994 rotateValue > ANDROID_SCALER_ROTATE_AND_CROP_AUTO) return BAD_VALUE;
4995 Mutex::Autolock lock(mServiceLock);
4996
4997 mOverrideRotateAndCropMode = rotateValue;
4998
4999 if (rotateValue == ANDROID_SCALER_ROTATE_AND_CROP_AUTO) return OK;
5000
5001 const auto clients = mActiveClientManager.getAll();
5002 for (auto& current : clients) {
5003 if (current != nullptr) {
5004 const auto basicClient = current->getValue();
5005 if (basicClient.get() != nullptr) {
5006 basicClient->setRotateAndCropOverride(rotateValue);
5007 }
5008 }
5009 }
5010
5011 return OK;
5012}
5013
Ravneet74cd3732022-03-30 05:33:03 +00005014status_t CameraService::handleSetCameraServiceWatchdog(const Vector<String16>& args) {
5015 int enableWatchdog = atoi(String8(args[1]));
5016
5017 if (enableWatchdog < 0 || enableWatchdog > 1) return BAD_VALUE;
5018
5019 Mutex::Autolock lock(mServiceLock);
5020
5021 mCameraServiceWatchdogEnabled = enableWatchdog;
5022
5023 const auto clients = mActiveClientManager.getAll();
5024 for (auto& current : clients) {
5025 if (current != nullptr) {
5026 const auto basicClient = current->getValue();
5027 if (basicClient.get() != nullptr) {
5028 basicClient->setCameraServiceWatchdog(enableWatchdog);
5029 }
5030 }
5031 }
5032
5033 return OK;
5034}
5035
Eino-Ville Talvalaf2e37092020-01-07 15:32:32 -08005036status_t CameraService::handleGetRotateAndCrop(int out) {
5037 Mutex::Autolock lock(mServiceLock);
5038
5039 return dprintf(out, "rotateAndCrop override: %d\n", mOverrideRotateAndCropMode);
5040}
5041
Shuzhen Wangabbcb6b2020-12-09 22:32:44 -08005042status_t CameraService::handleSetImageDumpMask(const Vector<String16>& args) {
5043 char *endPtr;
5044 errno = 0;
5045 String8 maskString8 = String8(args[1]);
5046 long maskValue = strtol(maskString8.c_str(), &endPtr, 10);
5047
5048 if (errno != 0) return BAD_VALUE;
5049 if (endPtr != maskString8.c_str() + maskString8.size()) return BAD_VALUE;
5050 if (maskValue < 0 || maskValue > 1) return BAD_VALUE;
5051
5052 Mutex::Autolock lock(mServiceLock);
5053
5054 mImageDumpMask = maskValue;
5055
5056 return OK;
5057}
5058
5059status_t CameraService::handleGetImageDumpMask(int out) {
5060 Mutex::Autolock lock(mServiceLock);
5061
5062 return dprintf(out, "Image dump mask: %d\n", mImageDumpMask);
5063}
5064
Eino-Ville Talvala305cec62020-11-12 14:18:17 -08005065status_t CameraService::handleSetCameraMute(const Vector<String16>& args) {
5066 int muteValue = strtol(String8(args[1]), nullptr, 10);
5067 if (errno != 0) return BAD_VALUE;
5068
5069 if (muteValue < 0 || muteValue > 1) return BAD_VALUE;
5070 Mutex::Autolock lock(mServiceLock);
5071
5072 mOverrideCameraMuteMode = (muteValue == 1);
5073
5074 const auto clients = mActiveClientManager.getAll();
5075 for (auto& current : clients) {
5076 if (current != nullptr) {
5077 const auto basicClient = current->getValue();
5078 if (basicClient.get() != nullptr) {
5079 if (basicClient->supportsCameraMute()) {
5080 basicClient->setCameraMute(mOverrideCameraMuteMode);
5081 }
5082 }
5083 }
5084 }
5085
5086 return OK;
5087}
Shuzhen Wangabbcb6b2020-12-09 22:32:44 -08005088
Avichal Rakesh84147132021-11-11 17:47:11 -08005089status_t CameraService::handleWatchCommand(const Vector<String16>& args, int inFd, int outFd) {
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005090 if (args.size() >= 3 && args[1] == String16("start")) {
5091 return startWatchingTags(args, outFd);
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005092 } else if (args.size() == 2 && args[1] == String16("stop")) {
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005093 return stopWatchingTags(outFd);
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005094 } else if (args.size() == 2 && args[1] == String16("dump")) {
5095 return printWatchedTags(outFd);
5096 } else if (args.size() >= 2 && args[1] == String16("live")) {
5097 return printWatchedTagsUntilInterrupt(args, inFd, outFd);
Avichal Rakesh3a85d2d2021-11-10 16:21:33 -08005098 } else if (args.size() == 2 && args[1] == String16("clear")) {
5099 return clearCachedMonitoredTagDumps(outFd);
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005100 }
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005101 dprintf(outFd, "Camera service watch commands:\n"
5102 " start -m <comma_separated_tag_list> [-c <comma_separated_client_list>]\n"
5103 " starts watching the provided tags for clients with provided package\n"
5104 " recognizes tag shorthands like '3a'\n"
5105 " watches all clients if no client is passed, or if 'all' is listed\n"
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005106 " dump dumps the monitoring information and exits\n"
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005107 " stop stops watching all tags\n"
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005108 " live [-n <refresh_interval_ms>]\n"
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005109 " prints the monitored information in real time\n"
Avichal Rakesh84147132021-11-11 17:47:11 -08005110 " Hit return to exit\n"
Avichal Rakesh3a85d2d2021-11-10 16:21:33 -08005111 " clear clears all buffers storing information for watch command");
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005112 return BAD_VALUE;
5113}
5114
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005115status_t CameraService::startWatchingTags(const Vector<String16> &args, int outFd) {
5116 Mutex::Autolock lock(mLogLock);
5117 size_t tagsIdx; // index of '-m'
5118 String16 tags("");
5119 for (tagsIdx = 2; tagsIdx < args.size() && args[tagsIdx] != String16("-m"); tagsIdx++);
5120 if (tagsIdx < args.size() - 1) {
5121 tags = args[tagsIdx + 1];
5122 } else {
5123 dprintf(outFd, "No tags provided.\n");
5124 return BAD_VALUE;
5125 }
5126
5127 size_t clientsIdx; // index of '-c'
5128 String16 clients = kWatchAllClientsFlag; // watch all clients if no clients are provided
5129 for (clientsIdx = 2; clientsIdx < args.size() && args[clientsIdx] != String16("-c");
5130 clientsIdx++);
5131 if (clientsIdx < args.size() - 1) {
5132 clients = args[clientsIdx + 1];
5133 }
5134 parseClientsToWatchLocked(String8(clients));
5135
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005136 // track tags to initialize future clients with the monitoring information
5137 mMonitorTags = String8(tags);
5138
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005139 bool serviceLock = tryLock(mServiceLock);
5140 int numWatchedClients = 0;
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005141 auto cameraClients = mActiveClientManager.getAll();
5142 for (const auto &clientDescriptor: cameraClients) {
5143 if (clientDescriptor == nullptr) { continue; }
5144 sp<BasicClient> client = clientDescriptor->getValue();
5145 if (client.get() == nullptr) { continue; }
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005146
5147 if (isClientWatchedLocked(client.get())) {
5148 client->startWatchingTags(mMonitorTags, outFd);
5149 numWatchedClients++;
5150 }
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005151 }
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005152 dprintf(outFd, "Started watching %d active clients\n", numWatchedClients);
5153
5154 if (serviceLock) { mServiceLock.unlock(); }
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005155 return OK;
5156}
5157
5158status_t CameraService::stopWatchingTags(int outFd) {
5159 // clear mMonitorTags to prevent new clients from monitoring tags at initialization
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005160 Mutex::Autolock lock(mLogLock);
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005161 mMonitorTags = String8::empty();
5162
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005163 mWatchedClientPackages.clear();
5164 mWatchedClientsDumpCache.clear();
5165
5166 bool serviceLock = tryLock(mServiceLock);
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005167 auto cameraClients = mActiveClientManager.getAll();
5168 for (const auto &clientDescriptor : cameraClients) {
5169 if (clientDescriptor == nullptr) { continue; }
5170 sp<BasicClient> client = clientDescriptor->getValue();
5171 if (client.get() == nullptr) { continue; }
5172 client->stopWatchingTags(outFd);
5173 }
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005174 dprintf(outFd, "Stopped watching all clients.\n");
5175 if (serviceLock) { mServiceLock.unlock(); }
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005176 return OK;
5177}
5178
Avichal Rakesh3a85d2d2021-11-10 16:21:33 -08005179status_t CameraService::clearCachedMonitoredTagDumps(int outFd) {
5180 Mutex::Autolock lock(mLogLock);
5181 size_t clearedSize = mWatchedClientsDumpCache.size();
5182 mWatchedClientsDumpCache.clear();
5183 dprintf(outFd, "Cleared tag information of %zu cached clients.\n", clearedSize);
5184 return OK;
5185}
5186
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005187status_t CameraService::printWatchedTags(int outFd) {
5188 Mutex::Autolock logLock(mLogLock);
Avichal Rakesh1cda16b2021-11-09 16:51:02 -08005189 std::set<String16> connectedMonitoredClients;
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005190
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005191 bool printedSomething = false; // tracks if any monitoring information was printed
5192 // (from either cached or active clients)
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005193
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005194 bool serviceLock = tryLock(mServiceLock);
5195 // get all watched clients that are currently connected
5196 for (const auto &clientDescriptor: mActiveClientManager.getAll()) {
5197 if (clientDescriptor == nullptr) { continue; }
5198
5199 sp<BasicClient> client = clientDescriptor->getValue();
5200 if (client.get() == nullptr) { continue; }
5201 if (!isClientWatchedLocked(client.get())) { continue; }
5202
5203 std::vector<std::string> dumpVector;
5204 client->dumpWatchedEventsToVector(dumpVector);
5205
5206 size_t printIdx = dumpVector.size();
5207 if (printIdx == 0) {
5208 continue;
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005209 }
5210
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005211 // Print tag dumps for active client
5212 const String8 &cameraId = clientDescriptor->getKey();
5213 String8 packageName8 = String8(client->getPackageName());
5214 const char *printablePackageName = packageName8.lockBuffer(packageName8.size());
5215 dprintf(outFd, "Client: %s (active)\n", printablePackageName);
5216 while(printIdx > 0) {
5217 printIdx--;
5218 dprintf(outFd, "%s:%s %s", cameraId.string(), printablePackageName,
5219 dumpVector[printIdx].c_str());
Avichal Rakesh3a85d2d2021-11-10 16:21:33 -08005220 }
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005221 dprintf(outFd, "\n");
5222 packageName8.unlockBuffer();
5223 printedSomething = true;
5224
5225 connectedMonitoredClients.emplace(client->getPackageName());
5226 }
5227 if (serviceLock) { mServiceLock.unlock(); }
5228
5229 // Print entries in mWatchedClientsDumpCache for clients that are not connected
5230 for (const auto &kv: mWatchedClientsDumpCache) {
5231 const String16 &package = kv.first;
5232 if (connectedMonitoredClients.find(package) != connectedMonitoredClients.end()) {
5233 continue;
5234 }
5235
5236 dprintf(outFd, "Client: %s (cached)\n", String8(package).string());
5237 dprintf(outFd, "%s\n", kv.second.c_str());
5238 printedSomething = true;
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005239 }
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005240
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005241 if (!printedSomething) {
5242 dprintf(outFd, "No monitoring information to print.\n");
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005243 }
5244
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005245 return OK;
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005246}
5247
Avichal Rakesh84147132021-11-11 17:47:11 -08005248// Print all events in vector `events' that came after lastPrintedEvent
5249void printNewWatchedEvents(int outFd,
5250 const char *cameraId,
5251 const String16 &packageName,
5252 const std::vector<std::string> &events,
5253 const std::string &lastPrintedEvent) {
5254 if (events.empty()) { return; }
5255
5256 // index of lastPrintedEvent in events.
5257 // lastPrintedIdx = events.size() if lastPrintedEvent is not in events
5258 size_t lastPrintedIdx;
5259 for (lastPrintedIdx = 0;
5260 lastPrintedIdx < events.size() && lastPrintedEvent != events[lastPrintedIdx];
5261 lastPrintedIdx++);
5262
5263 if (lastPrintedIdx == 0) { return; } // early exit if no new event in `events`
5264
5265 String8 packageName8(packageName);
5266 const char *printablePackageName = packageName8.lockBuffer(packageName8.size());
5267
5268 // print events in chronological order (latest event last)
5269 size_t idxToPrint = lastPrintedIdx;
5270 do {
5271 idxToPrint--;
5272 dprintf(outFd, "%s:%s %s", cameraId, printablePackageName, events[idxToPrint].c_str());
5273 } while (idxToPrint != 0);
5274
5275 packageName8.unlockBuffer();
5276}
5277
5278// Returns true if adb shell cmd watch should be interrupted based on data in inFd. The watch
5279// command should be interrupted if the user presses the return key, or if user loses any way to
5280// signal interrupt.
5281// If timeoutMs == 0, this function will always return false
5282bool shouldInterruptWatchCommand(int inFd, int outFd, long timeoutMs) {
5283 struct timeval startTime;
5284 int startTimeError = gettimeofday(&startTime, nullptr);
5285 if (startTimeError) {
5286 dprintf(outFd, "Failed waiting for interrupt, aborting.\n");
5287 return true;
5288 }
5289
5290 const nfds_t numFds = 1;
5291 struct pollfd pollFd = { .fd = inFd, .events = POLLIN, .revents = 0 };
5292
5293 struct timeval currTime;
5294 char buffer[2];
5295 while(true) {
5296 int currTimeError = gettimeofday(&currTime, nullptr);
5297 if (currTimeError) {
5298 dprintf(outFd, "Failed waiting for interrupt, aborting.\n");
5299 return true;
5300 }
5301
5302 long elapsedTimeMs = ((currTime.tv_sec - startTime.tv_sec) * 1000L)
5303 + ((currTime.tv_usec - startTime.tv_usec) / 1000L);
5304 int remainingTimeMs = (int) (timeoutMs - elapsedTimeMs);
5305
5306 if (remainingTimeMs <= 0) {
5307 // No user interrupt within timeoutMs, don't interrupt watch command
5308 return false;
5309 }
5310
5311 int numFdsUpdated = poll(&pollFd, numFds, remainingTimeMs);
5312 if (numFdsUpdated < 0) {
5313 dprintf(outFd, "Failed while waiting for user input. Exiting.\n");
5314 return true;
5315 }
5316
5317 if (numFdsUpdated == 0) {
5318 // No user input within timeoutMs, don't interrupt watch command
5319 return false;
5320 }
5321
5322 if (!(pollFd.revents & POLLIN)) {
5323 dprintf(outFd, "Failed while waiting for user input. Exiting.\n");
5324 return true;
5325 }
5326
5327 ssize_t sizeRead = read(inFd, buffer, sizeof(buffer) - 1);
5328 if (sizeRead < 0) {
5329 dprintf(outFd, "Error reading user input. Exiting.\n");
5330 return true;
5331 }
5332
5333 if (sizeRead == 0) {
5334 // Reached end of input fd (can happen if input is piped)
5335 // User has no way to signal an interrupt, so interrupt here
5336 return true;
5337 }
5338
5339 if (buffer[0] == '\n') {
5340 // User pressed return, interrupt watch command.
5341 return true;
5342 }
5343 }
5344}
5345
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005346status_t CameraService::printWatchedTagsUntilInterrupt(const Vector<String16> &args,
5347 int inFd, int outFd) {
5348 // Figure out refresh interval, if present in args
5349 long refreshTimeoutMs = 1000L; // refresh every 1s by default
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005350 if (args.size() > 2) {
5351 size_t intervalIdx; // index of '-n'
5352 for (intervalIdx = 2; intervalIdx < args.size() && String16("-n") != args[intervalIdx];
5353 intervalIdx++);
5354
5355 size_t intervalValIdx = intervalIdx + 1;
5356 if (intervalValIdx < args.size()) {
5357 refreshTimeoutMs = strtol(String8(args[intervalValIdx].string()), nullptr, 10);
5358 if (errno) { return BAD_VALUE; }
5359 }
5360 }
5361
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005362 // Set min timeout of 10ms. This prevents edge cases in polling when timeout of 0 is passed.
5363 refreshTimeoutMs = refreshTimeoutMs < 10 ? 10 : refreshTimeoutMs;
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005364
Avichal Rakesh84147132021-11-11 17:47:11 -08005365 dprintf(outFd, "Press return to exit...\n\n");
Avichal Rakesha14d9832021-11-11 01:41:55 -08005366 std::map<String16, std::string> packageNameToLastEvent;
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005367
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005368 while (true) {
Avichal Rakesha14d9832021-11-11 01:41:55 -08005369 bool serviceLock = tryLock(mServiceLock);
5370 auto cameraClients = mActiveClientManager.getAll();
5371 if (serviceLock) { mServiceLock.unlock(); }
5372
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005373 for (const auto& clientDescriptor : cameraClients) {
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005374 Mutex::Autolock lock(mLogLock);
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005375 if (clientDescriptor == nullptr) { continue; }
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005376
5377 sp<BasicClient> client = clientDescriptor->getValue();
5378 if (client.get() == nullptr) { continue; }
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005379 if (!isClientWatchedLocked(client.get())) { continue; }
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005380
Avichal Rakesha14d9832021-11-11 01:41:55 -08005381 const String16 &packageName = client->getPackageName();
5382 // This also initializes the map entries with an empty string
5383 const std::string& lastPrintedEvent = packageNameToLastEvent[packageName];
5384
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005385 std::vector<std::string> latestEvents;
5386 client->dumpWatchedEventsToVector(latestEvents);
5387
5388 if (!latestEvents.empty()) {
Avichal Rakesha14d9832021-11-11 01:41:55 -08005389 String8 cameraId = clientDescriptor->getKey();
5390 const char *printableCameraId = cameraId.lockBuffer(cameraId.size());
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005391 printNewWatchedEvents(outFd,
Avichal Rakesha14d9832021-11-11 01:41:55 -08005392 printableCameraId,
5393 packageName,
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005394 latestEvents,
5395 lastPrintedEvent);
Avichal Rakesha14d9832021-11-11 01:41:55 -08005396 packageNameToLastEvent[packageName] = latestEvents[0];
5397 cameraId.unlockBuffer();
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005398 }
5399 }
Avichal Rakesh9e5a1e42021-11-15 12:11:21 -08005400 if (shouldInterruptWatchCommand(inFd, outFd, refreshTimeoutMs)) {
Avichal Rakesh84147132021-11-11 17:47:11 -08005401 break;
5402 }
Avichal Rakesh7e53cad2021-10-05 13:46:30 -07005403 }
5404 return OK;
5405}
5406
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005407void CameraService::parseClientsToWatchLocked(String8 clients) {
5408 mWatchedClientPackages.clear();
5409
5410 const char *allSentinel = String8(kWatchAllClientsFlag).string();
5411
5412 char *tokenized = clients.lockBuffer(clients.size());
5413 char *savePtr;
5414 char *nextClient = strtok_r(tokenized, ",", &savePtr);
5415
5416 while (nextClient != nullptr) {
5417 if (strcmp(nextClient, allSentinel) == 0) {
5418 // Don't need to track any other package if 'all' is present
5419 mWatchedClientPackages.clear();
5420 mWatchedClientPackages.emplace(kWatchAllClientsFlag);
5421 break;
5422 }
5423
5424 // track package names
5425 mWatchedClientPackages.emplace(nextClient);
5426 nextClient = strtok_r(nullptr, ",", &savePtr);
5427 }
5428 clients.unlockBuffer();
5429}
5430
Svet Ganova453d0d2018-01-11 15:37:58 -08005431status_t CameraService::printHelp(int out) {
5432 return dprintf(out, "Camera service commands:\n"
Nicholas Sauera3620332019-04-03 14:05:17 -07005433 " get-uid-state <PACKAGE> [--user USER_ID] gets the uid state\n"
5434 " set-uid-state <PACKAGE> <active|idle> [--user USER_ID] overrides the uid state\n"
5435 " reset-uid-state <PACKAGE> [--user USER_ID] clears the uid state override\n"
Eino-Ville Talvalaf2e37092020-01-07 15:32:32 -08005436 " set-rotate-and-crop <ROTATION> overrides the rotate-and-crop value for AUTO backcompat\n"
5437 " Valid values 0=0 deg, 1=90 deg, 2=180 deg, 3=270 deg, 4=No override\n"
5438 " get-rotate-and-crop returns the current override rotate-and-crop value\n"
Shuzhen Wangabbcb6b2020-12-09 22:32:44 -08005439 " set-image-dump-mask <MASK> specifies the formats to be saved to disk\n"
5440 " Valid values 0=OFF, 1=ON for JPEG\n"
5441 " get-image-dump-mask returns the current image-dump-mask value\n"
Eino-Ville Talvala305cec62020-11-12 14:18:17 -08005442 " set-camera-mute <0/1> enable or disable camera muting\n"
Avichal Rakesh3a85d2d2021-11-10 16:21:33 -08005443 " watch <start|stop|dump|print|clear> manages tag monitoring in connected clients\n"
Svet Ganova453d0d2018-01-11 15:37:58 -08005444 " help print this message\n");
5445}
5446
Avichal Rakesh7fbc3982021-10-20 04:35:03 -07005447bool CameraService::isClientWatched(const BasicClient *client) {
5448 Mutex::Autolock lock(mLogLock);
5449 return isClientWatchedLocked(client);
5450}
5451
5452bool CameraService::isClientWatchedLocked(const BasicClient *client) {
5453 return mWatchedClientPackages.find(kWatchAllClientsFlag) != mWatchedClientPackages.end() ||
5454 mWatchedClientPackages.find(client->getPackageName()) != mWatchedClientPackages.end();
5455}
5456
Yin-Chia Yehdba03232019-08-19 15:54:28 -07005457int32_t CameraService::updateAudioRestriction() {
5458 Mutex::Autolock lock(mServiceLock);
5459 return updateAudioRestrictionLocked();
5460}
5461
5462int32_t CameraService::updateAudioRestrictionLocked() {
5463 int32_t mode = 0;
5464 // iterate through all active client
5465 for (const auto& i : mActiveClientManager.getAll()) {
5466 const auto clientSp = i->getValue();
5467 mode |= clientSp->getAudioRestriction();
5468 }
5469
5470 bool modeChanged = (mAudioRestriction != mode);
5471 mAudioRestriction = mode;
5472 if (modeChanged) {
5473 mAppOps.setCameraAudioRestriction(mode);
5474 }
5475 return mode;
5476}
5477
Cliff Wu646bd612021-11-23 23:21:29 +08005478status_t CameraService::checkIfInjectionCameraIsPresent(const String8& externalCamId,
5479 sp<BasicClient> clientSp) {
5480 std::unique_ptr<AutoConditionLock> lock =
5481 AutoConditionLock::waitAndAcquire(mServiceLockWrapper);
5482 status_t res = NO_ERROR;
5483 if ((res = checkIfDeviceIsUsable(externalCamId)) != NO_ERROR) {
5484 ALOGW("Device %s is not usable!", externalCamId.string());
5485 mInjectionStatusListener->notifyInjectionError(
5486 externalCamId, UNKNOWN_TRANSACTION);
5487 clientSp->notifyError(
5488 hardware::camera2::ICameraDeviceCallbacks::ERROR_CAMERA_DISCONNECTED,
5489 CaptureResultExtras());
5490
5491 // Do not hold mServiceLock while disconnecting clients, but retain the condition blocking
5492 // other clients from connecting in mServiceLockWrapper if held
5493 mServiceLock.unlock();
5494
5495 // Clear caller identity temporarily so client disconnect PID checks work correctly
5496 int64_t token = CameraThreadState::clearCallingIdentity();
5497 clientSp->disconnect();
5498 CameraThreadState::restoreCallingIdentity(token);
5499
5500 // Reacquire mServiceLock
5501 mServiceLock.lock();
5502 }
5503
5504 return res;
5505}
5506
Cliff Wud3a05312021-04-26 23:07:31 +08005507void CameraService::clearInjectionParameters() {
5508 {
5509 Mutex::Autolock lock(mInjectionParametersLock);
Cliff Wu646bd612021-11-23 23:21:29 +08005510 mInjectionInitPending = false;
Cliff Wud3a05312021-04-26 23:07:31 +08005511 mInjectionInternalCamId = "";
5512 }
5513 mInjectionExternalCamId = "";
Cliff Wud8cae102021-03-11 01:37:42 +08005514 mInjectionStatusListener->removeListener();
Cliff Wud8cae102021-03-11 01:37:42 +08005515}
5516
Mathias Agopian65ab4712010-07-14 17:59:35 -07005517}; // namespace android