| /* |
| * Copyright (C) 2016 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. |
| */ |
| |
| #include <unistd.h> |
| #include <fcntl.h> |
| |
| #include <android/permission_manager.h> |
| #include <binder/ActivityManager.h> |
| #include <binder/IActivityManager.h> |
| #include <binder/Parcel.h> |
| #include <utils/Errors.h> |
| |
| namespace android { |
| |
| // ------------------------------------------------------------------------------------ |
| |
| class BpActivityManager : public BpInterface<IActivityManager> |
| { |
| public: |
| explicit BpActivityManager(const sp<IBinder>& impl) |
| : BpInterface<IActivityManager>(impl) |
| { |
| } |
| |
| virtual int openContentUri(const String16& stringUri) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeString16(stringUri); |
| status_t ret = remote()->transact(OPEN_CONTENT_URI_TRANSACTION, data, & reply); |
| int fd = -1; |
| if (ret == NO_ERROR) { |
| int32_t exceptionCode = reply.readExceptionCode(); |
| if (!exceptionCode) { |
| // Success is indicated here by a nonzero int followed by the fd; |
| // failure by a zero int with no data following. |
| if (reply.readInt32() != 0) { |
| fd = fcntl(reply.readParcelFileDescriptor(), F_DUPFD_CLOEXEC, 0); |
| } |
| } else { |
| // An exception was thrown back; fall through to return failure |
| ALOGD("openContentUri(%s) caught exception %d\n", String8(stringUri).c_str(), |
| exceptionCode); |
| } |
| } |
| return fd; |
| } |
| |
| virtual status_t registerUidObserver(const sp<IUidObserver>& observer, |
| const int32_t event, |
| const int32_t cutpoint, |
| const String16& callingPackage) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeStrongBinder(IInterface::asBinder(observer)); |
| data.writeInt32(event); |
| data.writeInt32(cutpoint); |
| data.writeString16(callingPackage); |
| status_t err = remote()->transact(REGISTER_UID_OBSERVER_TRANSACTION, data, &reply); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| return err; |
| } |
| return OK; |
| } |
| |
| virtual status_t registerUidObserverForUids(const sp<IUidObserver>& observer, |
| const int32_t event, const int32_t cutpoint, |
| const String16& callingPackage, |
| const int32_t uids[], size_t nUids, |
| /*out*/ sp<IBinder>& observerToken) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeStrongBinder(IInterface::asBinder(observer)); |
| data.writeInt32(event); |
| data.writeInt32(cutpoint); |
| data.writeString16(callingPackage); |
| data.writeInt32Array(nUids, uids); |
| status_t err = |
| remote()->transact(REGISTER_UID_OBSERVER_FOR_UIDS_TRANSACTION, data, &reply); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| return err; |
| } |
| err = reply.readStrongBinder(&observerToken); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| return err; |
| } |
| return OK; |
| } |
| |
| virtual status_t unregisterUidObserver(const sp<IUidObserver>& observer) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeStrongBinder(IInterface::asBinder(observer)); |
| status_t err = remote()->transact(UNREGISTER_UID_OBSERVER_TRANSACTION, data, &reply); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| return err; |
| } |
| return OK; |
| } |
| |
| virtual status_t addUidToObserver(const sp<IBinder>& observerToken, |
| const String16& callingPackage, int32_t uid) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeStrongBinder(observerToken); |
| data.writeString16(callingPackage); |
| data.writeInt32(uid); |
| status_t err = remote()->transact(ADD_UID_TO_OBSERVER_TRANSACTION, data, &reply); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| return err; |
| } |
| return OK; |
| } |
| |
| virtual status_t removeUidFromObserver(const sp<IBinder>& observerToken, |
| const String16& callingPackage, int32_t uid) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeStrongBinder(observerToken); |
| data.writeString16(callingPackage); |
| data.writeInt32(uid); |
| status_t err = remote()->transact(REMOVE_UID_FROM_OBSERVER_TRANSACTION, data, &reply); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| return err; |
| } |
| return OK; |
| } |
| |
| virtual bool isUidActive(const uid_t uid, const String16& callingPackage) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeInt32(uid); |
| data.writeString16(callingPackage); |
| remote()->transact(IS_UID_ACTIVE_TRANSACTION, data, &reply); |
| // fail on exception |
| if (reply.readExceptionCode() != 0) return false; |
| return reply.readInt32() == 1; |
| } |
| |
| virtual int32_t getUidProcessState(const uid_t uid, const String16& callingPackage) |
| { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeInt32(uid); |
| data.writeString16(callingPackage); |
| remote()->transact(GET_UID_PROCESS_STATE_TRANSACTION, data, &reply); |
| // fail on exception |
| if (reply.readExceptionCode() != 0) { |
| return ActivityManager::PROCESS_STATE_UNKNOWN; |
| } |
| return reply.readInt32(); |
| } |
| |
| virtual status_t checkPermission(const String16& permission, |
| const pid_t pid, |
| const uid_t uid, |
| int32_t* outResult) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeString16(permission); |
| data.writeInt32(pid); |
| data.writeInt32(uid); |
| status_t err = remote()->transact(CHECK_PERMISSION_TRANSACTION, data, &reply); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| return err; |
| } |
| *outResult = reply.readInt32(); |
| return NO_ERROR; |
| } |
| |
| virtual status_t logFgsApiBegin(int32_t apiType, int32_t appUid, int32_t appPid) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeInt32(apiType); |
| data.writeInt32(appUid); |
| data.writeInt32(appPid); |
| status_t err = remote()->transact(LOG_FGS_API_BEGIN_TRANSACTION, data, &reply, |
| IBinder::FLAG_ONEWAY); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| ALOGD("%s: FGS Logger Transaction failed, %d", __func__, err); |
| return err; |
| } |
| return NO_ERROR; |
| } |
| |
| virtual status_t logFgsApiEnd(int32_t apiType, int32_t appUid, int32_t appPid) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeInt32(apiType); |
| data.writeInt32(appUid); |
| data.writeInt32(appPid); |
| status_t err = |
| remote()->transact(LOG_FGS_API_END_TRANSACTION, data, &reply, IBinder::FLAG_ONEWAY); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| ALOGD("%s: FGS Logger Transaction failed, %d", __func__, err); |
| return err; |
| } |
| return NO_ERROR; |
| } |
| |
| virtual status_t logFgsApiStateChanged(int32_t apiType, int32_t state, int32_t appUid, |
| int32_t appPid) { |
| Parcel data, reply; |
| data.writeInterfaceToken(IActivityManager::getInterfaceDescriptor()); |
| data.writeInt32(apiType); |
| data.writeInt32(state); |
| data.writeInt32(appUid); |
| data.writeInt32(appPid); |
| status_t err = remote()->transact(LOG_FGS_API_STATE_CHANGED_TRANSACTION, data, &reply, |
| IBinder::FLAG_ONEWAY); |
| if (err != NO_ERROR || ((err = reply.readExceptionCode()) != NO_ERROR)) { |
| ALOGD("%s: FGS Logger Transaction failed, %d", __func__, err); |
| return err; |
| } |
| return NO_ERROR; |
| } |
| }; |
| |
| // ------------------------------------------------------------------------------------ |
| |
| IMPLEMENT_META_INTERFACE(ActivityManager, "android.app.IActivityManager") |
| |
| } // namespace android |
