Pipe through featureId from context to Camera code

Bug: 136595429
Test: atest CtsAppOpsTestCases (now including two new test cases that
          open a camera with a null and a non-null feature)
Change-Id: Idfb8f8049dff536525d4f081151c79d980d76c69

camera/aidl/android/hardware/ICameraService.aidl

@@ -87,6 +87,7 @@ interface ICameraService
     ICameraDeviceUser connectDevice(ICameraDeviceCallbacks callbacks,
             String cameraId,
             String opPackageName,
+            @nullable String featureId,
             int clientUid);
 
     /**

camera/ndk/impl/ACameraManager.cpp

@@ -517,7 +517,7 @@ ACameraManager::openCamera(
     // No way to get package name from native.
     // Send a zero length package name and let camera service figure it out from UID
     binder::Status serviceRet = cs->connectDevice(
-            callbacks, String16(cameraId), String16(""),
+            callbacks, String16(cameraId), String16(""), std::unique_ptr<String16>(),
             hardware::ICameraService::USE_CALLING_UID, /*out*/&deviceRemote);
 
     if (!serviceRet.isOk()) {

camera/tests/CameraBinderTests.cpp

@@ -361,7 +361,8 @@ TEST(CameraServiceBinderTest, CheckBinderCameraService) {
         sp<TestCameraDeviceCallbacks> callbacks(new TestCameraDeviceCallbacks());
         sp<hardware::camera2::ICameraDeviceUser> device;
         res = service->connectDevice(callbacks, cameraId, String16("meeeeeeeee!"),
-                hardware::ICameraService::USE_CALLING_UID, /*out*/&device);
+                std::unique_ptr<String16>(), hardware::ICameraService::USE_CALLING_UID,
+                /*out*/&device);
         EXPECT_TRUE(res.isOk()) << res;
         ASSERT_NE(nullptr, device.get());
         device->disconnect();
@@ -403,7 +404,8 @@ protected:
         {
             SCOPED_TRACE("openNewDevice");
             binder::Status res = service->connectDevice(callbacks, deviceId, String16("meeeeeeeee!"),
-                    hardware::ICameraService::USE_CALLING_UID, /*out*/&device);
+                    std::unique_ptr<String16>(), hardware::ICameraService::USE_CALLING_UID,
+                    /*out*/&device);
             EXPECT_TRUE(res.isOk()) << res;
         }
         auto p = std::make_pair(callbacks, device);

services/camera/libcameraservice/CameraService.cpp

@@ -732,9 +732,10 @@ Status CameraService::filterGetInfoErrorCode(status_t err) {
 }
 
 Status CameraService::makeClient(const sp<CameraService>& cameraService,
-        const sp<IInterface>& cameraCb, const String16& packageName, const String8& cameraId,
+        const sp<IInterface>& cameraCb, const String16& packageName,
-        int api1CameraId, int facing, int clientPid, uid_t clientUid, int servicePid,
+        const std::unique_ptr<String16>& featureId, const String8& cameraId, int api1CameraId,
-        int halVersion, int deviceVersion, apiLevel effectiveApiLevel,
+        int facing, int clientPid, uid_t clientUid, int servicePid, int halVersion,
+        int deviceVersion, apiLevel effectiveApiLevel,
         /*out*/sp<BasicClient>* client) {
 
     if (halVersion < 0 || halVersion == deviceVersion) {
@@ -744,7 +745,7 @@ Status CameraService::makeClient(const sp<CameraService>& cameraService,
           case CAMERA_DEVICE_API_VERSION_1_0:
             if (effectiveApiLevel == API_1) {  // Camera1 API route
                 sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get());
-                *client = new CameraClient(cameraService, tmp, packageName,
+                *client = new CameraClient(cameraService, tmp, packageName, featureId,
                         api1CameraId, facing, clientPid, clientUid,
                         getpid());
             } else { // Camera2 API route
@@ -762,15 +763,15 @@ Status CameraService::makeClient(const sp<CameraService>& cameraService,
           case CAMERA_DEVICE_API_VERSION_3_5:
             if (effectiveApiLevel == API_1) { // Camera1 API route
                 sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get());
-                *client = new Camera2Client(cameraService, tmp, packageName,
+                *client = new Camera2Client(cameraService, tmp, packageName, featureId,
                         cameraId, api1CameraId,
                         facing, clientPid, clientUid,
                         servicePid);
             } else { // Camera2 API route
                 sp<hardware::camera2::ICameraDeviceCallbacks> tmp =
                         static_cast<hardware::camera2::ICameraDeviceCallbacks*>(cameraCb.get());
-                *client = new CameraDeviceClient(cameraService, tmp, packageName, cameraId,
+                *client = new CameraDeviceClient(cameraService, tmp, packageName, featureId,
-                        facing, clientPid, clientUid, servicePid);
+                        cameraId, facing, clientPid, clientUid, servicePid);
             }
             break;
           default:
@@ -787,7 +788,7 @@ Status CameraService::makeClient(const sp<CameraService>& cameraService,
             halVersion == CAMERA_DEVICE_API_VERSION_1_0) {
             // Only support higher HAL version device opened as HAL1.0 device.
             sp<ICameraClient> tmp = static_cast<ICameraClient*>(cameraCb.get());
-            *client = new CameraClient(cameraService, tmp, packageName,
+            *client = new CameraClient(cameraService, tmp, packageName, featureId,
                     api1CameraId, facing, clientPid, clientUid,
                     servicePid);
         } else {
@@ -887,7 +888,7 @@ Status CameraService::initializeShimMetadata(int cameraId) {
     if (!(ret = connectHelper<ICameraClient,Client>(
             sp<ICameraClient>{nullptr}, id, cameraId,
             static_cast<int>(CAMERA_HAL_API_VERSION_UNSPECIFIED),
-            internalPackageName, uid, USE_CALLING_PID,
+            internalPackageName, std::unique_ptr<String16>(), uid, USE_CALLING_PID,
             API_1, /*shimUpdateOnly*/ true, /*out*/ tmp)
             ).isOk()) {
         ALOGE("%s: Error initializing shim metadata: %s", __FUNCTION__, ret.toString8().string());
@@ -1400,8 +1401,8 @@ Status CameraService::connect(
     String8 id = cameraIdIntToStr(api1CameraId);
     sp<Client> client = nullptr;
     ret = connectHelper<ICameraClient,Client>(cameraClient, id, api1CameraId,
-            CAMERA_HAL_API_VERSION_UNSPECIFIED, clientPackageName, clientUid, clientPid, API_1,
+            CAMERA_HAL_API_VERSION_UNSPECIFIED, clientPackageName, std::unique_ptr<String16>(),
-            /*shimUpdateOnly*/ false, /*out*/client);
+            clientUid, clientPid, API_1, /*shimUpdateOnly*/ false, /*out*/client);
 
     if(!ret.isOk()) {
         logRejected(id, CameraThreadState::getCallingPid(), String8(clientPackageName),
@@ -1427,8 +1428,8 @@ Status CameraService::connectLegacy(
     Status ret = Status::ok();
     sp<Client> client = nullptr;
     ret = connectHelper<ICameraClient,Client>(cameraClient, id, api1CameraId, halVersion,
-            clientPackageName, clientUid, USE_CALLING_PID, API_1, /*shimUpdateOnly*/ false,
+            clientPackageName, std::unique_ptr<String16>(), clientUid, USE_CALLING_PID, API_1,
-            /*out*/client);
+            /*shimUpdateOnly*/ false, /*out*/client);
 
     if(!ret.isOk()) {
         logRejected(id, CameraThreadState::getCallingPid(), String8(clientPackageName),
@@ -1502,6 +1503,7 @@ Status CameraService::connectDevice(
         const sp<hardware::camera2::ICameraDeviceCallbacks>& cameraCb,
         const String16& cameraId,
         const String16& clientPackageName,
+        const std::unique_ptr<String16>& clientFeatureId,
         int clientUid,
         /*out*/
         sp<hardware::camera2::ICameraDeviceUser>* device) {
@@ -1511,6 +1513,7 @@ Status CameraService::connectDevice(
     String8 id = String8(cameraId);
     sp<CameraDeviceClient> client = nullptr;
     String16 clientPackageNameAdj = clientPackageName;
+
     if (hardware::IPCThreadState::self()->isServingCall()) {
         std::string vendorClient =
                 StringPrintf("vendor.client.pid<%d>", CameraThreadState::getCallingPid());
@@ -1518,7 +1521,7 @@ Status CameraService::connectDevice(
     }
     ret = connectHelper<hardware::camera2::ICameraDeviceCallbacks,CameraDeviceClient>(cameraCb, id,
             /*api1CameraId*/-1,
-            CAMERA_HAL_API_VERSION_UNSPECIFIED, clientPackageNameAdj,
+            CAMERA_HAL_API_VERSION_UNSPECIFIED, clientPackageNameAdj, clientFeatureId,
             clientUid, USE_CALLING_PID, API_2, /*shimUpdateOnly*/ false, /*out*/client);
 
     if(!ret.isOk()) {
@@ -1533,8 +1536,9 @@ Status CameraService::connectDevice(
 
 template<class CALLBACK, class CLIENT>
 Status CameraService::connectHelper(const sp<CALLBACK>& cameraCb, const String8& cameraId,
-        int api1CameraId, int halVersion, const String16& clientPackageName, int clientUid,
+        int api1CameraId, int halVersion, const String16& clientPackageName,
-        int clientPid, apiLevel effectiveApiLevel, bool shimUpdateOnly,
+        const std::unique_ptr<String16>& clientFeatureId, int clientUid, int clientPid,
+        apiLevel effectiveApiLevel, bool shimUpdateOnly,
         /*out*/sp<CLIENT>& device) {
     binder::Status ret = binder::Status::ok();
 
@@ -1617,7 +1621,7 @@ Status CameraService::connectHelper(const sp<CALLBACK>& cameraCb, const String8&
         }
 
         sp<BasicClient> tmp = nullptr;
-        if(!(ret = makeClient(this, cameraCb, clientPackageName,
+        if(!(ret = makeClient(this, cameraCb, clientPackageName, clientFeatureId,
                 cameraId, api1CameraId, facing,
                 clientPid, clientUid, getpid(),
                 halVersion, deviceVersion, effectiveApiLevel,
@@ -2459,13 +2463,14 @@ void CameraService::playSound(sound_kind kind) {
 CameraService::Client::Client(const sp<CameraService>& cameraService,
         const sp<ICameraClient>& cameraClient,
         const String16& clientPackageName,
+        const std::unique_ptr<String16>& clientFeatureId,
         const String8& cameraIdStr,
         int api1CameraId, int cameraFacing,
         int clientPid, uid_t clientUid,
         int servicePid) :
         CameraService::BasicClient(cameraService,
                 IInterface::asBinder(cameraClient),
-                clientPackageName,
+                clientPackageName, clientFeatureId,
                 cameraIdStr, cameraFacing,
                 clientPid, clientUid,
                 servicePid),
@@ -2495,17 +2500,24 @@ sp<CameraService> CameraService::BasicClient::BasicClient::sCameraService;
 
 CameraService::BasicClient::BasicClient(const sp<CameraService>& cameraService,
         const sp<IBinder>& remoteCallback,
-        const String16& clientPackageName,
+        const String16& clientPackageName, const std::unique_ptr<String16>& clientFeatureId,
         const String8& cameraIdStr, int cameraFacing,
         int clientPid, uid_t clientUid,
         int servicePid):
         mCameraIdStr(cameraIdStr), mCameraFacing(cameraFacing),
-        mClientPackageName(clientPackageName), mClientPid(clientPid), mClientUid(clientUid),
+        mClientPackageName(clientPackageName),
+        mClientPid(clientPid), mClientUid(clientUid),
         mServicePid(servicePid),
         mDisconnected(false),
         mAudioRestriction(hardware::camera2::ICameraDeviceUser::AUDIO_RESTRICTION_NONE),
         mRemoteBinder(remoteCallback)
 {
+    if (clientFeatureId) {
+        mClientFeatureId = std::unique_ptr<String16>(new String16(*clientFeatureId));
+    } else {
+        mClientFeatureId = std::unique_ptr<String16>();
+    }
+
     if (sCameraService == nullptr) {
         sCameraService = cameraService;
     }
@@ -2649,8 +2661,9 @@ status_t CameraService::BasicClient::startCameraOps() {
         int32_t res;
         mAppOpsManager->startWatchingMode(AppOpsManager::OP_CAMERA,
                 mClientPackageName, mOpsCallback);
-        res = mAppOpsManager->startOpNoThrow(AppOpsManager::OP_CAMERA,
+        res = mAppOpsManager->startOpNoThrow(AppOpsManager::OP_CAMERA, mClientUid,
-                mClientUid, mClientPackageName, /*startIfModeDefault*/ false);
+                mClientPackageName, /*startIfModeDefault*/ false, mClientFeatureId,
+                String16("start camera ") + String16(mCameraIdStr));
 
         if (res == AppOpsManager::MODE_ERRORED) {
             ALOGI("Camera %s: Access for \"%s\" has been revoked",
@@ -2692,7 +2705,7 @@ status_t CameraService::BasicClient::finishCameraOps() {
         // Notify app ops that the camera is available again
         if (mAppOpsManager != nullptr) {
             mAppOpsManager->finishOp(AppOpsManager::OP_CAMERA, mClientUid,
-                    mClientPackageName);
+                    mClientPackageName, mClientFeatureId);
             mOpsActive = false;
         }
         // This function is called when a client disconnects. This should

services/camera/libcameraservice/CameraService.h

@@ -134,7 +134,8 @@ public:
 
     virtual binder::Status     connectDevice(
             const sp<hardware::camera2::ICameraDeviceCallbacks>& cameraCb, const String16& cameraId,
-            const String16& clientPackageName, int32_t clientUid,
+            const String16& clientPackageName, const std::unique_ptr<String16>& clientFeatureId,
+            int32_t clientUid,
             /*out*/
             sp<hardware::camera2::ICameraDeviceUser>* device);
 
@@ -275,6 +276,7 @@ public:
         BasicClient(const sp<CameraService>& cameraService,
                 const sp<IBinder>& remoteCallback,
                 const String16& clientPackageName,
+                const std::unique_ptr<String16>& clientFeatureId,
                 const String8& cameraIdStr,
                 int cameraFacing,
                 int clientPid,
@@ -294,6 +296,7 @@ public:
         const String8                   mCameraIdStr;
         const int                       mCameraFacing;
         String16                        mClientPackageName;
+        std::unique_ptr<String16>       mClientFeatureId;
         pid_t                           mClientPid;
         const uid_t                     mClientUid;
         const pid_t                     mServicePid;
@@ -365,6 +368,7 @@ public:
         Client(const sp<CameraService>& cameraService,
                 const sp<hardware::ICameraClient>& cameraClient,
                 const String16& clientPackageName,
+                const std::unique_ptr<String16>& clientFeatureId,
                 const String8& cameraIdStr,
                 int api1CameraId,
                 int cameraFacing,
@@ -688,8 +692,8 @@ private:
     template<class CALLBACK, class CLIENT>
     binder::Status connectHelper(const sp<CALLBACK>& cameraCb, const String8& cameraId,
             int api1CameraId, int halVersion, const String16& clientPackageName,
-            int clientUid, int clientPid, apiLevel effectiveApiLevel, bool shimUpdateOnly,
+            const std::unique_ptr<String16>& clientFeatureId, int clientUid, int clientPid,
-            /*out*/sp<CLIENT>& device);
+            apiLevel effectiveApiLevel, bool shimUpdateOnly, /*out*/sp<CLIENT>& device);
 
     // Lock guarding camera service state
     Mutex               mServiceLock;
@@ -985,9 +989,10 @@ private:
     static String8 getFormattedCurrentTime();
 
     static binder::Status makeClient(const sp<CameraService>& cameraService,
-            const sp<IInterface>& cameraCb, const String16& packageName, const String8& cameraId,
+            const sp<IInterface>& cameraCb, const String16& packageName,
-            int api1CameraId, int facing, int clientPid, uid_t clientUid, int servicePid,
+            const std::unique_ptr<String16>& featureId, const String8& cameraId, int api1CameraId,
-            int halVersion, int deviceVersion, apiLevel effectiveApiLevel,
+            int facing, int clientPid, uid_t clientUid, int servicePid, int halVersion,
+            int deviceVersion, apiLevel effectiveApiLevel,
             /*out*/sp<BasicClient>* client);
 
     status_t checkCameraAccess(const String16& opPackageName);

services/camera/libcameraservice/api1/Camera2Client.cpp

@@ -50,13 +50,14 @@ using namespace camera2;
 Camera2Client::Camera2Client(const sp<CameraService>& cameraService,
         const sp<hardware::ICameraClient>& cameraClient,
         const String16& clientPackageName,
+        const std::unique_ptr<String16>& clientFeatureId,
         const String8& cameraDeviceId,
         int api1CameraId,
         int cameraFacing,
         int clientPid,
         uid_t clientUid,
         int servicePid):
-        Camera2ClientBase(cameraService, cameraClient, clientPackageName,
+        Camera2ClientBase(cameraService, cameraClient, clientPackageName, clientFeatureId,
                 cameraDeviceId, api1CameraId, cameraFacing,
                 clientPid, clientUid, servicePid),
         mParameters(api1CameraId, cameraFacing)

services/camera/libcameraservice/api1/Camera2Client.h

@@ -93,6 +93,7 @@ public:
     Camera2Client(const sp<CameraService>& cameraService,
             const sp<hardware::ICameraClient>& cameraClient,
             const String16& clientPackageName,
+            const std::unique_ptr<String16>& clientFeatureId,
             const String8& cameraDeviceId,
             int api1CameraId,
             int cameraFacing,

services/camera/libcameraservice/api1/CameraClient.cpp

@@ -34,11 +34,11 @@ namespace android {
 
 CameraClient::CameraClient(const sp<CameraService>& cameraService,
         const sp<hardware::ICameraClient>& cameraClient,
-        const String16& clientPackageName,
+        const String16& clientPackageName, const std::unique_ptr<String16>& clientFeatureId,
         int cameraId, int cameraFacing,
         int clientPid, int clientUid,
         int servicePid):
-        Client(cameraService, cameraClient, clientPackageName,
+        Client(cameraService, cameraClient, clientPackageName, clientFeatureId,
                 String8::format("%d", cameraId), cameraId, cameraFacing, clientPid,
                 clientUid, servicePid)
 {

services/camera/libcameraservice/api1/CameraClient.h

@@ -66,6 +66,7 @@ public:
     CameraClient(const sp<CameraService>& cameraService,
             const sp<hardware::ICameraClient>& cameraClient,
             const String16& clientPackageName,
+            const std::unique_ptr<String16>& clientFeatureId,
             int cameraId,
             int cameraFacing,
             int clientPid,

services/camera/libcameraservice/api2/CameraDeviceClient.cpp

@@ -54,6 +54,7 @@ CameraDeviceClientBase::CameraDeviceClientBase(
         const sp<CameraService>& cameraService,
         const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
         const String16& clientPackageName,
+        const std::unique_ptr<String16>& clientFeatureId,
         const String8& cameraId,
         int api1CameraId,
         int cameraFacing,
@@ -63,6 +64,7 @@ CameraDeviceClientBase::CameraDeviceClientBase(
     BasicClient(cameraService,
             IInterface::asBinder(remoteCallback),
             clientPackageName,
+            clientFeatureId,
             cameraId,
             cameraFacing,
             clientPid,
@@ -78,12 +80,13 @@ CameraDeviceClientBase::CameraDeviceClientBase(
 CameraDeviceClient::CameraDeviceClient(const sp<CameraService>& cameraService,
         const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
         const String16& clientPackageName,
+        const std::unique_ptr<String16>& clientFeatureId,
         const String8& cameraId,
         int cameraFacing,
         int clientPid,
         uid_t clientUid,
         int servicePid) :
-    Camera2ClientBase(cameraService, remoteCallback, clientPackageName,
+    Camera2ClientBase(cameraService, remoteCallback, clientPackageName, clientFeatureId,
                 cameraId, /*API1 camera ID*/ -1,
                 cameraFacing, clientPid, clientUid, servicePid),
     mInputStream(),

services/camera/libcameraservice/api2/CameraDeviceClient.h

@@ -47,6 +47,7 @@ protected:
     CameraDeviceClientBase(const sp<CameraService>& cameraService,
             const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
             const String16& clientPackageName,
+            const std::unique_ptr<String16>& clientFeatureId,
             const String8& cameraId,
             int api1CameraId,
             int cameraFacing,
@@ -163,6 +164,7 @@ public:
     CameraDeviceClient(const sp<CameraService>& cameraService,
             const sp<hardware::camera2::ICameraDeviceCallbacks>& remoteCallback,
             const String16& clientPackageName,
+            const std::unique_ptr<String16>& clientFeatureId,
             const String8& cameraId,
             int cameraFacing,
             int clientPid,

services/camera/libcameraservice/common/Camera2ClientBase.cpp

@@ -44,13 +44,14 @@ Camera2ClientBase<TClientBase>::Camera2ClientBase(
         const sp<CameraService>& cameraService,
         const sp<TCamCallbacks>& remoteCallback,
         const String16& clientPackageName,
+        const std::unique_ptr<String16>& clientFeatureId,
         const String8& cameraId,
         int api1CameraId,
         int cameraFacing,
         int clientPid,
         uid_t clientUid,
         int servicePid):
-        TClientBase(cameraService, remoteCallback, clientPackageName,
+        TClientBase(cameraService, remoteCallback, clientPackageName, clientFeatureId,
                 cameraId, api1CameraId, cameraFacing, clientPid, clientUid, servicePid),
         mSharedCameraCallbacks(remoteCallback),
         mDeviceVersion(cameraService->getDeviceVersion(TClientBase::mCameraIdStr)),

services/camera/libcameraservice/common/Camera2ClientBase.h

@@ -48,6 +48,7 @@ public:
     Camera2ClientBase(const sp<CameraService>& cameraService,
                       const sp<TCamCallbacks>& remoteCallback,
                       const String16& clientPackageName,
+                      const std::unique_ptr<String16>& clientFeatureId,
                       const String8& cameraId,
                       int api1CameraId,
                       int cameraFacing,

services/camera/libcameraservice/hidl/HidlCameraService.cpp

@@ -103,7 +103,7 @@ Return<void> HidlCameraService::connectDevice(const sp<HCameraDeviceCallback>& h
     }
     sp<hardware::camera2::ICameraDeviceCallbacks> callbacks = hybridCallbacks;
     binder::Status serviceRet = mAidlICameraService->connectDevice(
-            callbacks, String16(cameraId.c_str()), String16(""),
+            callbacks, String16(cameraId.c_str()), String16(""), std::unique_ptr<String16>(),
             hardware::ICameraService::USE_CALLING_UID, /*out*/&deviceRemote);
     HStatus status = HStatus::NO_ERROR;
     if (!serviceRet.isOk()) {