/* * 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 #include #include #include #include namespace android { // ---------------------------------------------------------------------- class BpAppOpsService : public BpInterface { public: BpAppOpsService(const sp& impl) : BpInterface(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) { Parcel data, reply; data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); data.writeInt32(code); data.writeInt32(uid); data.writeString16(packageName); 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& token, int32_t code, int32_t uid, const String16& packageName) { Parcel data, reply; data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); data.writeStrongBinder(token); data.writeInt32(code); data.writeInt32(uid); data.writeString16(packageName); 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& token, int32_t code, int32_t uid, const String16& packageName) { Parcel data, reply; data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); data.writeStrongBinder(token); data.writeInt32(code); data.writeInt32(uid); data.writeString16(packageName); remote()->transact(FINISH_OPERATION_TRANSACTION, data, &reply); } virtual void startWatchingMode(int32_t op, const String16& packageName, const sp& 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& callback) { Parcel data, reply; data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); data.writeStrongBinder(IInterface::asBinder(callback)); remote()->transact(STOP_WATCHING_MODE_TRANSACTION, data, &reply); } virtual sp getToken(const sp& clientToken) { Parcel data, reply; data.writeInterfaceToken(IAppOpsService::getInterfaceDescriptor()); data.writeStrongBinder(clientToken); remote()->transact(GET_TOKEN_TRANSACTION, data, &reply); // fail on exception if (reply.readExceptionCode() != 0) return NULL; return reply.readStrongBinder(); } 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(); } }; IMPLEMENT_META_INTERFACE(AppOpsService, "com.android.internal.app.IAppOpsService"); // ---------------------------------------------------------------------- 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(); int32_t res = noteOperation(code, uid, packageName); reply->writeNoException(); reply->writeInt32(res); return NO_ERROR; } break; case START_OPERATION_TRANSACTION: { CHECK_INTERFACE(IAppOpsService, data, reply); sp token = data.readStrongBinder(); int32_t code = data.readInt32(); int32_t uid = data.readInt32(); String16 packageName = data.readString16(); int32_t res = startOperation(token, code, uid, packageName); reply->writeNoException(); reply->writeInt32(res); return NO_ERROR; } break; case FINISH_OPERATION_TRANSACTION: { CHECK_INTERFACE(IAppOpsService, data, reply); sp token = data.readStrongBinder(); int32_t code = data.readInt32(); int32_t uid = data.readInt32(); String16 packageName = data.readString16(); finishOperation(token, code, uid, packageName); 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 callback = interface_cast(data.readStrongBinder()); startWatchingMode(op, packageName, callback); reply->writeNoException(); return NO_ERROR; } break; case STOP_WATCHING_MODE_TRANSACTION: { CHECK_INTERFACE(IAppOpsService, data, reply); sp callback = interface_cast(data.readStrongBinder()); stopWatchingMode(callback); reply->writeNoException(); return NO_ERROR; } break; case GET_TOKEN_TRANSACTION: { CHECK_INTERFACE(IAppOpsService, data, reply); sp clientToken = data.readStrongBinder(); sp token = getToken(clientToken); reply->writeNoException(); reply->writeStrongBinder(token); 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; default: return BBinder::onTransact(code, data, reply, flags); } } }; // namespace android