| /* | 
 |  * Copyright (C) 2013 The Android Open Source Project | 
 |  * | 
 |  * Licensed under the Apache License, Version 2.0 (the "License"); | 
 |  * you may not use this file except in compliance with the License. | 
 |  * You may obtain a copy of the License at | 
 |  * | 
 |  *      http://www.apache.org/licenses/LICENSE-2.0 | 
 |  * | 
 |  * Unless required by applicable law or agreed to in writing, software | 
 |  * distributed under the License is distributed on an "AS IS" BASIS, | 
 |  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 |  * See the License for the specific language governing permissions and | 
 |  * limitations under the License. | 
 |  */ | 
 |  | 
 | #define LOG_TAG "AppOpsService" | 
 |  | 
 | #include <binder/IAppOpsService.h> | 
 |  | 
 | #include <utils/Log.h> | 
 | #include <binder/Parcel.h> | 
 | #include <utils/String8.h> | 
 |  | 
 | namespace android { | 
 |  | 
 | // ---------------------------------------------------------------------- | 
 |  | 
 | class BpAppOpsService : public BpInterface<IAppOpsService> | 
 | { | 
 | public: | 
 |     explicit BpAppOpsService(const sp<IBinder>& impl) | 
 |         : BpInterface<IAppOpsService>(impl) | 
 |     { | 
 |     } | 
 |  | 
 |     virtual int32_t checkOperation(int32_t code, int32_t uid, const String16& packageName) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeInt32(code); | 
 |         data.writeInt32(uid); | 
 |         data.writeString16(packageName); | 
 |         remote()->transact(CHECK_OPERATION_TRANSACTION, data, &reply); | 
 |         // fail on exception | 
 |         if (reply.readExceptionCode() != 0) return MODE_ERRORED; | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual int32_t noteOperation(int32_t code, int32_t uid, const String16& packageName, | 
 |                 const std::unique_ptr<String16>& attributionTag, bool shouldCollectAsyncNotedOp, | 
 |                 const String16& message) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeInt32(code); | 
 |         data.writeInt32(uid); | 
 |         data.writeString16(packageName); | 
 |         data.writeString16(attributionTag); | 
 |         data.writeInt32(shouldCollectAsyncNotedOp ? 1 : 0); | 
 |         data.writeString16(message); | 
 |         remote()->transact(NOTE_OPERATION_TRANSACTION, data, &reply); | 
 |         // fail on exception | 
 |         if (reply.readExceptionCode() != 0) return MODE_ERRORED; | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual int32_t startOperation(const sp<IBinder>& token, int32_t code, int32_t uid, | 
 |                 const String16& packageName, const std::unique_ptr<String16>& attributionTag, | 
 |                 bool startIfModeDefault, bool shouldCollectAsyncNotedOp, const String16& message) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(token); | 
 |         data.writeInt32(code); | 
 |         data.writeInt32(uid); | 
 |         data.writeString16(packageName); | 
 |         data.writeString16(attributionTag); | 
 |         data.writeInt32(startIfModeDefault ? 1 : 0); | 
 |         data.writeInt32(shouldCollectAsyncNotedOp ? 1 : 0); | 
 |         data.writeString16(message); | 
 |         remote()->transact(START_OPERATION_TRANSACTION, data, &reply); | 
 |         // fail on exception | 
 |         if (reply.readExceptionCode() != 0) return MODE_ERRORED; | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual void finishOperation(const sp<IBinder>& token, int32_t code, int32_t uid, | 
 |             const String16& packageName, const std::unique_ptr<String16>& attributionTag) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(token); | 
 |         data.writeInt32(code); | 
 |         data.writeInt32(uid); | 
 |         data.writeString16(packageName); | 
 |         data.writeString16(attributionTag); | 
 |         remote()->transact(FINISH_OPERATION_TRANSACTION, data, &reply); | 
 |     } | 
 |  | 
 |     virtual void startWatchingMode(int32_t op, const String16& packageName, | 
 |             const sp<IAppOpsCallback>& callback) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeInt32(op); | 
 |         data.writeString16(packageName); | 
 |         data.writeStrongBinder(IInterface::asBinder(callback)); | 
 |         remote()->transact(START_WATCHING_MODE_TRANSACTION, data, &reply); | 
 |     } | 
 |  | 
 |     virtual void stopWatchingMode(const sp<IAppOpsCallback>& callback) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeStrongBinder(IInterface::asBinder(callback)); | 
 |         remote()->transact(STOP_WATCHING_MODE_TRANSACTION, data, &reply); | 
 |     } | 
 |  | 
 |     virtual int32_t permissionToOpCode(const String16& permission) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeString16(permission); | 
 |         remote()->transact(PERMISSION_TO_OP_CODE_TRANSACTION, data, &reply); | 
 |         // fail on exception | 
 |         if (reply.readExceptionCode() != 0) return -1; | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual int32_t checkAudioOperation(int32_t code, int32_t usage, | 
 |             int32_t uid, const String16& packageName) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeInt32(code); | 
 |         data.writeInt32(usage); | 
 |         data.writeInt32(uid); | 
 |         data.writeString16(packageName); | 
 |         remote()->transact(CHECK_AUDIO_OPERATION_TRANSACTION, data, &reply); | 
 |         // fail on exception | 
 |         if (reply.readExceptionCode() != 0) { | 
 |             return MODE_ERRORED; | 
 |         } | 
 |         return reply.readInt32(); | 
 |     } | 
 |  | 
 |     virtual void setCameraAudioRestriction(int32_t mode) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeInt32(mode); | 
 |         remote()->transact(SET_CAMERA_AUDIO_RESTRICTION_TRANSACTION, data, &reply); | 
 |     } | 
 |  | 
 |     virtual bool shouldCollectNotes(int32_t opCode) { | 
 |         Parcel data, reply; | 
 |         data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); | 
 |         data.writeInt32(opCode); | 
 |         remote()->transact(SHOULD_COLLECT_NOTES_TRANSACTION, data, &reply); | 
 |         // fail on exception | 
 |         if (reply.readExceptionCode() != 0) { | 
 |             return false; | 
 |         } | 
 |         return reply.readBool(); | 
 |     } | 
 | }; | 
 |  | 
 | IMPLEMENT_META_INTERFACE(AppOpsService, "com.android.internal.app.IAppOpsService"); | 
 |  | 
 | // ---------------------------------------------------------------------- | 
 |  | 
 | // NOLINTNEXTLINE(google-default-arguments) | 
 | status_t BnAppOpsService::onTransact( | 
 |     uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) | 
 | { | 
 |     //printf("AppOpsService received: "); data.print(); | 
 |     switch(code) { | 
 |         case CHECK_OPERATION_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             int32_t code = data.readInt32(); | 
 |             int32_t uid = data.readInt32(); | 
 |             String16 packageName = data.readString16(); | 
 |             int32_t res = checkOperation(code, uid, packageName); | 
 |             reply->writeNoException(); | 
 |             reply->writeInt32(res); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         case NOTE_OPERATION_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             int32_t code = data.readInt32(); | 
 |             int32_t uid = data.readInt32(); | 
 |             String16 packageName = data.readString16(); | 
 |             std::unique_ptr<String16> attributionTag; | 
 |             data.readString16(&attributionTag); | 
 |             bool shouldCollectAsyncNotedOp = data.readInt32() == 1; | 
 |             String16 message = data.readString16(); | 
 |             int32_t res = noteOperation(code, uid, packageName, attributionTag, | 
 |                     shouldCollectAsyncNotedOp, message); | 
 |             reply->writeNoException(); | 
 |             reply->writeInt32(res); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         case START_OPERATION_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             sp<IBinder> token = data.readStrongBinder(); | 
 |             int32_t code = data.readInt32(); | 
 |             int32_t uid = data.readInt32(); | 
 |             String16 packageName = data.readString16(); | 
 |             std::unique_ptr<String16> attributionTag; | 
 |             data.readString16(&attributionTag); | 
 |             bool startIfModeDefault = data.readInt32() == 1; | 
 |             bool shouldCollectAsyncNotedOp = data.readInt32() == 1; | 
 |             String16 message = data.readString16(); | 
 |             int32_t res = startOperation(token, code, uid, packageName, attributionTag, | 
 |                     startIfModeDefault, shouldCollectAsyncNotedOp, message); | 
 |             reply->writeNoException(); | 
 |             reply->writeInt32(res); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         case FINISH_OPERATION_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             sp<IBinder> token = data.readStrongBinder(); | 
 |             int32_t code = data.readInt32(); | 
 |             int32_t uid = data.readInt32(); | 
 |             String16 packageName = data.readString16(); | 
 |             std::unique_ptr<String16> attributionTag; | 
 |             data.readString16(&attributionTag); | 
 |             finishOperation(token, code, uid, packageName, attributionTag); | 
 |             reply->writeNoException(); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         case START_WATCHING_MODE_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             int32_t op = data.readInt32(); | 
 |             String16 packageName = data.readString16(); | 
 |             sp<IAppOpsCallback> callback = interface_cast<IAppOpsCallback>(data.readStrongBinder()); | 
 |             startWatchingMode(op, packageName, callback); | 
 |             reply->writeNoException(); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         case STOP_WATCHING_MODE_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             sp<IAppOpsCallback> callback = interface_cast<IAppOpsCallback>(data.readStrongBinder()); | 
 |             stopWatchingMode(callback); | 
 |             reply->writeNoException(); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         case PERMISSION_TO_OP_CODE_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             String16 permission = data.readString16(); | 
 |             const int32_t opCode = permissionToOpCode(permission); | 
 |             reply->writeNoException(); | 
 |             reply->writeInt32(opCode); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         case CHECK_AUDIO_OPERATION_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             const int32_t code = data.readInt32(); | 
 |             const int32_t usage = data.readInt32(); | 
 |             const int32_t uid = data.readInt32(); | 
 |             const String16 packageName = data.readString16(); | 
 |             const int32_t res = checkAudioOperation(code, usage, uid, packageName); | 
 |             reply->writeNoException(); | 
 |             reply->writeInt32(res); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         case SET_CAMERA_AUDIO_RESTRICTION_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             const int32_t mode = data.readInt32(); | 
 |             setCameraAudioRestriction(mode); | 
 |             reply->writeNoException(); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         case SHOULD_COLLECT_NOTES_TRANSACTION: { | 
 |             CHECK_INTERFACE(IAppOpsService, data, reply); | 
 |             int32_t opCode = data.readInt32(); | 
 |             bool shouldCollect = shouldCollectNotes(opCode); | 
 |             reply->writeNoException(); | 
 |             reply->writeBool(shouldCollect); | 
 |             return NO_ERROR; | 
 |         } break; | 
 |         default: | 
 |             return BBinder::onTransact(code, data, reply, flags); | 
 |     } | 
 | } | 
 |  | 
 | } // namespace android |