16ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka/* 26ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * Copyright (C) 2016 The Android Open Source Project 36ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * 46ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * Licensed under the Apache License, Version 2.0 (the "License"); 56ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * you may not use this file except in compliance with the License. 66ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * You may obtain a copy of the License at 76ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * 86ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * http://www.apache.org/licenses/LICENSE-2.0 96ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * 106ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * Unless required by applicable law or agreed to in writing, software 116ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * distributed under the License is distributed on an "AS IS" BASIS, 126ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 136ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * See the License for the specific language governing permissions and 146ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka * limitations under the License. 156ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka */ 166ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka 17ec9ec7d55c63f791ab3ed9221e68d6215f7b928aNick Kralevich#include <unistd.h> 18ec9ec7d55c63f791ab3ed9221e68d6215f7b928aNick Kralevich#include <fcntl.h> 19ec9ec7d55c63f791ab3ed9221e68d6215f7b928aNick Kralevich 206ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka#include <binder/IActivityManager.h> 216ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka 226ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka#include <binder/Parcel.h> 236ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka 246ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shankanamespace android { 256ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka 266ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka// ------------------------------------------------------------------------------------ 276ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka 286ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shankaclass BpActivityManager : public BpInterface<IActivityManager> 296ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka{ 306ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shankapublic: 316ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka explicit BpActivityManager(const sp<IBinder>& impl) 326ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka : BpInterface<IActivityManager>(impl) 336ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka { 346ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka } 356ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka 366ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka virtual int openContentUri(const String16& stringUri) 376ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka { 386ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka Parcel data, reply; 39ff81a09e19017ae1c26eecda6423e20c5a8333f6Sudheer Shanka data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); 406ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka data.writeString16(stringUri); 416ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka status_t ret = remote()->transact(OPEN_CONTENT_URI_TRANSACTION, data, & reply); 426ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka int fd = -1; 436ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka if (ret == NO_ERROR) { 446ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka int32_t exceptionCode = reply.readExceptionCode(); 456ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka if (!exceptionCode) { 466ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka // Success is indicated here by a nonzero int followed by the fd; 476ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka // failure by a zero int with no data following. 486ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka if (reply.readInt32() != 0) { 49ec9ec7d55c63f791ab3ed9221e68d6215f7b928aNick Kralevich fd = fcntl(reply.readParcelFileDescriptor(), F_DUPFD_CLOEXEC, 0); 506ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka } 516ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka } else { 526ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka // An exception was thrown back; fall through to return failure 536ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka ALOGD("openContentUri(%s) caught exception %d\n", 546ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka String8(stringUri).string(), exceptionCode); 556ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka } 566ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka } 576ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka return fd; 586ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka } 594d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran 604d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran virtual void registerUidObserver(const sp<IUidObserver>& observer, 614d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran const int32_t event, 624d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran const int32_t cutpoint, 634d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran const String16& callingPackage) 644d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran { 654d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran Parcel data, reply; 664d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); 674d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran data.writeStrongBinder(IInterface::asBinder(observer)); 684d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran data.writeInt32(event); 694d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran data.writeInt32(cutpoint); 704d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran data.writeString16(callingPackage); 714d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran remote()->transact(REGISTER_UID_OBSERVER_TRANSACTION, data, &reply); 724d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran } 734d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran 744d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran virtual void unregisterUidObserver(const sp<IUidObserver>& observer) 754d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran { 764d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran Parcel data, reply; 774d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); 784d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran data.writeStrongBinder(IInterface::asBinder(observer)); 794d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran remote()->transact(UNREGISTER_UID_OBSERVER_TRANSACTION, data, &reply); 804d85b8c0a38c14f854af8ff85391b7a8d1170d5bGanesh Mahendran } 81fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov 82fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov virtual bool isUidActive(const uid_t uid, const String16& callingPackage) 83fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov { 84fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov Parcel data, reply; 85fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); 86fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov data.writeInt32(uid); 87fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov data.writeString16(callingPackage); 88fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov remote()->transact(IS_UID_ACTIVE_TRANSACTION, data, &reply); 89fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov // fail on exception 90fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov if (reply.readExceptionCode() != 0) return false; 91fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov return reply.readInt32() == 1; 92fa851800cf97d1a3d30a7a147877005dc48721ffSvet Ganov } 936ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka}; 946ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka 956ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka// ------------------------------------------------------------------------------------ 966ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka 976ef26f129ce86b50d12ff4e46fae566baf54336dSudheer ShankaIMPLEMENT_META_INTERFACE(ActivityManager, "android.app.IActivityManager"); 986ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka 996ef26f129ce86b50d12ff4e46fae566baf54336dSudheer Shanka}; // namespace android 100