17c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project/* 27c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * Copyright (C) 2005 The Android Open Source Project 37c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * 47c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 57c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * you may not use this file except in compliance with the License. 67c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * You may obtain a copy of the License at 77c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * 87c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 97c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * 107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * See the License for the specific language governing permissions and 147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project * limitations under the License. 157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project */ 167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_TAG "Parcel" 187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project//#define LOG_NDEBUG 0 197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Parcel.h> 217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick#include <binder/IPCThreadState.h> 23c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 24c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Debug.h> 26c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/ProcessState.h> 277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/TextOutput.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/misc.h> 3298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian#include <utils/Flattenable.h> 335707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <cutils/ashmem.h> 347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 35208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 405707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <sys/mman.h> 417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 479f760150f6e0f39b9923cfdc875373606839ee00Steve Block//#define LOG_REFS(...) ALOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define PAD_SIZE(s) (((s)+3)&~3) 527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 53a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 54a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick#define STRICT_MODE_PENALTY_GATHER 0x100 55a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 56d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick// Note: must be kept in sync with android/os/Parcel.java's EX_HAS_REPLY_HEADER 57d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick#define EX_HAS_REPLY_HEADER -128 58d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick 595707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// Maximum size of a blob to transfer in-place. 605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatic const size_t IN_PLACE_BLOB_LIMIT = 40 * 1024; 615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->incStrong(who); 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // intentionally blank -- nothing to do to acquire this, but we do 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // recognize it as a legitimate object type. 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1069d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("Invalid object type 0x%08lx", obj.type); 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid release_object(const sp<ProcessState>& proc, 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(obj.cookie)->decStrong(who); 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.cookie != (void*)0) close(obj.handle); 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 142e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Invalid object type 0x%08lx", obj.type); 1437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, const flat_binder_object& flat, Parcel* out) 1477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t flatten_binder(const sp<ProcessState>& proc, 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 162e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = local->getWeakRefs(); 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = local; 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 1757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 1767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 1777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 1807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t flatten_binder(const sp<ProcessState>& proc, 1837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 1867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 1907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 1917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 1927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 1947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 195e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 1967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 2007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 2037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = binder.get_refs(); 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = binder.unsafe_get(); 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 216e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 2247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.binder = NULL; 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.cookie = NULL; 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder* proxy, const flat_binder_object& flat, const Parcel& in) 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 2507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = static_cast<IBinder*>(flat->cookie); 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->binder != NULL) { 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<IBinder*>(flat->cookie), 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<RefBase::weakref_type*>(flat->binder)); 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 2727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 3336807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("setDataSize Setting data size of %p to %d\n", this, mDataSize); 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 34697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 3567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 3577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 36151faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 3627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 36551faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 36651faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const size_t *objects = parcel->mObjects; 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((off >= offset) && (off < offset + len)) { 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 39497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 39597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 39697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 39797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 39897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 39997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 4007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 4037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 4047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 4057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4078938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 4088938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int newSize = ((mObjectsSize + numObjects)*3)/2; 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t *objects = 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == (size_t*)0) { 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 4177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 4197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 4207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4298af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 4307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 4317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 4327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 4348af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 4358af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 4368af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 4378af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 4388af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->cookie = (void*)1; 4397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 4408938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 4418938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 4428938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 4437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4478938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 4488938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 4498938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4507746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 4518938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 4528938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 4537746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 4547746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 4557746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 4568938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 4577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4597746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 4607746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 4617746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 4627746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 4637746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 4647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 4657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 4677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 4687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 4707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 472702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 4737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 4747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 475a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 476a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 4777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 4787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 4797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 48183c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 48283c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 483702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 48483c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 48583c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 486a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 48770081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 4887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 48970081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 49070081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 49170081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 492a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 4935273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 4945273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 4955273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 4965273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 4975273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 4985273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 4995273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 5005273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 5015273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 5025273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 50383c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 5047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 5057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 5067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 50732397c1cd3327905173b36baa6fd1c579bc328ffSteve Block ALOGW("**** enforceInterface() expected '%s' but read '%s'\n", 5087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 5097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 511702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::objects() const 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 5167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 5317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5376807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("finishWrite Setting data pos of %p to %d\n", this, mDataPos); 5387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 5397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 5406807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("finishWrite Setting data size of %p to %d\n", this, mDataSize); 5417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 5507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 5517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 5527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 5557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 5577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 5587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 5617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 5627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 5637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 5667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 5687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 5697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 5707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t padded = PAD_SIZE(len); 5787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 5887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 5907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 5917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 5927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 5967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 5977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 5987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 5997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 6007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 6017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 6027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 6037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 6047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 6077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 6087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 61784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 62284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 6267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 62784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 63284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 63384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 6347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 63584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeIntPtr(intptr_t val) 63684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 63784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 6387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 6417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 6437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 6467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 648d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 649d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 650d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 651d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 6527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 6537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 6587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 6607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 6637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 6657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 6687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 6697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 6707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 6717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 6727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 6837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 6867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 6887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 690a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 6915f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 6921d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 6935f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 6945f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 6955f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 696a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 6975f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 698edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 699a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 7005f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 701edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 702a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 703a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 704edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 705edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 7069d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 707edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 708edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 709a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 7105f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 7115f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 7125f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 71393ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 71993ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown obj.cookie = (void*) (takeOwnership ? 1 : 0); 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 7247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 725d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 726d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 727d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 728d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 729d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 730d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (err) { 731d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 732d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 733d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 7347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::writeBlob(size_t len, WritableBlob* outBlob) 7375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 7385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status_t status; 7395707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7405707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!mAllowFds || len <= IN_PLACE_BLOB_LIMIT) { 7416807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 7425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = writeInt32(0); 7435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 7445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 7465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 7475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(false /*mapped*/, ptr, len); 7495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 7505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 7515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7526807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 7535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 7545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 7555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 7565707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 7575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 758ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 7595707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 7605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 7615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 7625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 7635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 7645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 7655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 766ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 7675707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 7685707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = writeInt32(1); 7695707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 77093ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 7715707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 7725707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(true /*mapped*/, ptr, len); 7735707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 7745707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 7755707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 7765707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 7775707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 7785707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 7795707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 7805707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 7815707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 7825707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 7835707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 78498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t Parcel::write(const Flattenable& val) 78598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 78698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 78798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 78898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 78998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t len = val.getFlattenedSize(); 79098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian size_t fd_count = val.getFdCount(); 79198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 79298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 79398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 79498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 79598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 79698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 79798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 79898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 79998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian void* buf = this->writeInplace(PAD_SIZE(len)); 80098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 80198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 80298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 80398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 80498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 80598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 80698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 80798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 80898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 80998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 81098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 81198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 81298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 81398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 81498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 81598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 81698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 81798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 81898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 81998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 8207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 8217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 8237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 8247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 8257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 8267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 8277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to write meta-data? 8297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (nullMetaData || val.binder != NULL) { 8307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[mObjectsSize] = mDataPos; 8317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(ProcessState::self(), val, this); 8327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 8337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 8367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 8378938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 8388938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 8398938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 8407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 8417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 8447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 8477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 8487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 8497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 8517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 8527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = (size_t*)realloc(mObjects, newSize*sizeof(size_t)); 8537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 8547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 8557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 8567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 8597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 861837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 862837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 863837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return writeInt32(0); 864837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 865837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 8667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::remove(size_t start, size_t amt) 8677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 8697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 8727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 8747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 8757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 8766807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("read Setting data pos of %p to %d\n", this, mDataPos); 8777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 8787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 8807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 8837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+PAD_SIZE(len)) >= mDataPos && (mDataPos+PAD_SIZE(len)) <= mDataSize) { 8857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 8867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len); 8876807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readInplace Setting data pos of %p to %d\n", this, mDataPos); 8887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 8897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 8917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 89384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 89484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 89584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 89684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 89784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 8987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 89984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 90084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 9017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 9037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 9047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 90784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 90884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 90984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 91084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 91184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 91284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 91384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 91484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 91584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 91684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 91784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 91884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 91984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE(sizeof(T)) == sizeof(T)); 92084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 92184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 92284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 92384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 92484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 92584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 92684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 92784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 92884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 92984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 93084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 93184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 93284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 93384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 93484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 93584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 93684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 9377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 9387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 93984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 9407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 9447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 94584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 9467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 9507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 95184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 9527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 9557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 95684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 9577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 9617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 96284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 9637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 9667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 96784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 9687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 9727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 97384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 97484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 97584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 97684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 97784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 97884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 97984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 98084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 98184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 98284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 98384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 98484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 9857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 9897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 9917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 9927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 9937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 9947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 9957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 9967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 9977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += PAD_SIZE(len+1); 9986807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readCString Setting data pos of %p to %d\n", this, mDataPos); 9997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 10007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 10037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 10067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 10087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 10097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 10107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 10117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 10127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 10147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 10177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 10197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 10207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1021e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 10227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 10237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 10267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 10287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 10297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 10307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 10317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 10327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 10337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 10347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 10377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 10387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 10417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 10437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 10447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 10457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 10487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 10507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 10517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 10527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1054837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1055837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 1056837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick int32_t exception_code = readAligned<int32_t>(); 1057d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick if (exception_code == EX_HAS_REPLY_HEADER) { 10581ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg int32_t header_start = dataPosition(); 1059d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick int32_t header_size = readAligned<int32_t>(); 1060d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // Skip over fat responses headers. Not used (or propagated) in 1061d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // native code 10621ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg setDataPosition(header_start + header_size); 1063d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // And fat response headers are currently only used when there are no 1064d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // exceptions, so return no error: 1065d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick return 0; 1066d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick } 1067837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return exception_code; 1068837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 10695f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1070a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 10715f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 10725f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 10735f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 10745f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 10755f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 10765f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 10775f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 10785f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1079a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 10805f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1081360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 10825f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 10835f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 10845f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 10855f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1086a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1087a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 10885f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 10895f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 10905f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 10915f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 10925f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 10935f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 10947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 10957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 10977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 10987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 10997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: 1100a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Returning file descriptor %ld from parcel %p\n", flat->handle, this); 11017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flat->handle; 11027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 11057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11075707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 11085707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 11095707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int32_t useAshmem; 11105707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status_t status = readInt32(&useAshmem); 11115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 11125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!useAshmem) { 11146807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 11155707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 11165707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 11175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(false /*mapped*/, const_cast<void*>(ptr), len); 11195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11226807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 11235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 11245707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 11255707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11265707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ, MAP_SHARED, fd, 0); 11275707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 11285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11295707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown outBlob->init(true /*mapped*/, ptr, len); 11305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 11325707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 113398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopianstatus_t Parcel::read(Flattenable& val) const 113498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 113598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 113698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 113798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 113898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 113998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 114098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian void const* buf = this->readInplace(PAD_SIZE(len)); 114198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 114298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 114398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 114498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 114598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 114698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 114798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 114898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 114998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 115098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 115198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds[i] = dup(this->readFileDescriptor()); 115298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fds[i] < 0) err = BAD_VALUE; 115398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 115498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 115598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 115698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 115798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 115898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 115998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 116098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 116198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 116298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 116398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 116498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 11657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 11667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 11687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 11697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 11707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 11717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 11727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!nullMetaData && (obj->cookie == NULL && obj->binder == NULL)) { 11735f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 11747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 11757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 11766807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 11777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 11787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 11817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const OBJS = mObjects; 11827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 11837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 11847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 11866807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel %p looking for obj at %d, hint=%d\n", 11877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 11887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 11907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 11917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 11927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 11937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 11947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 11967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 11977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 11997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 12006807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel found obj %d at index %d with forward search", 12017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 12027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 12036807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 12047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 12057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 12087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 12097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 12107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 12127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 12136807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("Parcel found obj %d at index %d with backward search", 12147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 12157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 12166807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readObject Setting data pos of %p to %d\n", this, mDataPos); 12177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 12187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 122032397c1cd3327905173b36baa6fd1c579bc328ffSteve Block ALOGW("Attempt to read object from Parcel %p at offset %d that is not in the object list", 12217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 12227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 12247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 12277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 12297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 1230a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Closing file descriptors for %d objects...", mObjectsSize); 12317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 12337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 12347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 12357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 12367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 1237a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Closing fd: %ld\n", flat->handle); 12387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 12397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::ipcData() const 12447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 12467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 12497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 12517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst size_t* Parcel::ipcObjects() const 12547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 12567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 12597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 12617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 12647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 12657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 12677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 12687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 12697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 1270a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)\n", this, mDataSize, getpid()); 12717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 12726807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("setDataReference Setting data pos of %p to %d\n", this, mDataPos); 12737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = const_cast<size_t*>(objects); 12747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 12757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 12767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 12777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 12787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 12797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::print(TextOutput& to, uint32_t flags) const 12827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 12847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 12867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Error: " << (void*)err << " \"" << strerror(-err) << "\""; 12887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 12897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 12907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 12917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t* OBJS = objects(); 12927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 12937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 12947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 12957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 12967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 12977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 12987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 12997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 13027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 13057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 13157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 13177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 13187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 13227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 13247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 13257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 13267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* const objects = mObjects; 13277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 13287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 13297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 13307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 13317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 13327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 13367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 13387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 13397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 13427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 1344a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 13457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 13467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 13487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) free(mData); 13497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 13507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 13547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 13567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 13577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 13587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 13597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 13627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 13647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 13657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 13667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 13697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 13707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 13717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 13727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 13757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 13777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 13787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 13797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 13826807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("restartWrite Setting data size of %p to %d\n", this, mDataSize); 13836807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("restartWrite Setting data pos of %p to %d\n", this, mDataPos); 13847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 13867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 13877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 13887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 13897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 13907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 13918938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 13927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 13977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 13997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 14007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 14017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 14027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 14037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 14047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 14057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 14067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 14077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 14087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 14097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 14147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 14157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 14167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 14177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 14187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 14217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 14227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 14237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 14247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 14257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 14267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = NULL; 14287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 14307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objects = (size_t*)malloc(objectsSize*sizeof(size_t)); 14317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 14327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 14337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 14347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 14377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 14387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 14397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 14407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 14417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 14427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 14457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 14467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 14487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(objects, mObjects, objectsSize*sizeof(size_t)); 14497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1450a19954ab377b46dbcb9cbe8a6ab6d458f2e32bcaSteve Block //ALOGI("Freeing data ref of %p (pid=%d)\n", this, getpid()); 14517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 14527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 14537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 14557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 14567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 14576807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 14587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 14597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 14607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 14617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 14637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 14647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 14657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 14667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 14677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 14687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 14697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 14707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 14717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 14727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 14747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t* objects = 14767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project (size_t*)realloc(mObjects, objectsSize*sizeof(size_t)); 14777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 14787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 14797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 14817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 14827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 14857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 14867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 14877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 14887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 14897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 14907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 14917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 14927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 14937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 149597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 149697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 14976807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 149897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 14997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 15007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 15016807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 15027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 15067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 15077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 15087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 15097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 15107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 15117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 15147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 1515e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("continueWrite: %d/%p/%d/%d", mDataCapacity, mObjects, mObjectsCapacity, desired); 15167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 15197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 15206807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data size of %p to %d\n", this, mDataSize); 15216807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("continueWrite Setting data pos of %p to %d\n", this, mDataPos); 15227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 15237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 15267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 15297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 15317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 15327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 15337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 15347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 15356807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("initState Setting data size of %p to %d\n", this, mDataSize); 15366807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("initState Setting data pos of %p to %d\n", this, mDataPos); 15377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 15387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 15397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 15407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 15417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 15427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 15438938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 15447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 15457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 15487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 15507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 15517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 15527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 15537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 15547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 15557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 15567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 15597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 15607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 15635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 15645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 15655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped(false), mData(NULL), mSize(0) { 15665707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 15675707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 15685707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 15695707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 15705707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 15715707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 15725707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 15735707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (mMapped && mData) { 15745707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 15755707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 15765707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 15775707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 15785707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 15795707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::init(bool mapped, void* data, size_t size) { 15805707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped = mapped; 15815707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 15825707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 15835707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 15845707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 15855707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 15865707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mMapped = false; 15875707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 15885707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 15895707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 15905707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 15917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 1592