Parcel.cpp revision 03d1eb6bf90bcd0a04b176988478d2e939d3fba0
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> 25c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/ProcessState.h> 2609eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley#include <binder/Status.h> 27002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <binder/TextOutput.h> 28002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian 29abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang#include <errno.h> 30002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <utils/Debug.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/misc.h> 3598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian#include <utils/Flattenable.h> 365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <cutils/ashmem.h> 377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 38208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 397e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#include <private/binder/Static.h> 407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 41f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg#include <inttypes.h> 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <sys/mman.h> 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 529f760150f6e0f39b9923cfdc875373606839ee00Steve Block//#define LOG_REFS(...) ALOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 537e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#define LOG_ALLOC(...) 547e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn//#define LOG_ALLOC(...) ALOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 58b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// This macro should never be used at runtime, as a too large value 59b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// of s could cause an integer overflow. Instead, you should always 60b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// use the wrapper function pad_size() 61b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich#define PAD_SIZE_UNSAFE(s) (((s)+3)&~3) 62b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 63b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevichstatic size_t pad_size(size_t s) { 64b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (s > (SIZE_T_MAX - 3)) { 65b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 66b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 67b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return PAD_SIZE_UNSAFE(s); 68b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich} 697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 70a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 710c1f5cbb8a41d19195ab49dcfeb5caaea2d3fcdaJeff Sharkey#define STRICT_MODE_PENALTY_GATHER (0x40 << 16) 72a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 83a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic pthread_mutex_t gParcelGlobalAllocSizeLock = PTHREAD_MUTEX_INITIALIZER; 84a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocSize = 0; 85a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocCount = 0; 86a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn 8713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown// Maximum size of a blob to transfer in-place. 8813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatic const size_t BLOB_INPLACE_LIMIT = 16 * 1024; 8913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 9013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownenum { 9113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_INPLACE = 0, 9213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_IMMUTABLE = 1, 9313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_MUTABLE = 2, 9413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown}; 9513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 10384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->incStrong(who); 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 10884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // intentionally blank -- nothing to do to acquire this, but we do 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // recognize it as a legitimate object type. 1267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1306f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGD("Invalid object type 0x%08x", obj.type); 1317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid release_object(const sp<ProcessState>& proc, 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 14084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->decStrong(who); 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 14584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 16184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (obj.cookie != 0) close(obj.handle); 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1666f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("Invalid object type 0x%08x", obj.type); 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1706f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out) 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1756f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 1767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 1777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 179d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 1807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 1817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 1827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 1837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 1857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 186e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 19007fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 1917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 19284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 1937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 19584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(local->getWeakRefs()); 19684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(local); 1977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 20084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 20184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 203d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2076f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 211d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 220e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 22407fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 22684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 22984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(binder.get_refs()); 23084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(binder.unsafe_get()); 2317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 234d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 242e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 24484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 24584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 247d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 25084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 25184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2576f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross BpBinder* /*proxy*/, const flat_binder_object& /*flat*/, 2586f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const Parcel& /*in*/) 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 262d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 267d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 27184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 2727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 2757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 277d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn } 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 286d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 29084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 29384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (flat->binder != 0) { 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 29584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(flat->cookie), 29684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(flat->binder)); 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3157e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: constructing", this); 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 3227e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: destroyed", this); 3237e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3247e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3257e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocSize() { 326a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 327a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t size = gParcelGlobalAllocSize; 328a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 329a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return size; 3307e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3317e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3327e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocCount() { 333a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 334a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t count = gParcelGlobalAllocCount; 335a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 336a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return count; 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 372b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 373b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 374b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 375b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 376b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 377b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 382d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataSize Setting data size of %p to %zu", this, mDataSize); 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 389b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (pos > INT32_MAX) { 390b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 391b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 392b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 393b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 394b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 4007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 401b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 402b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 403b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 404b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 405b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 406b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 40797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 413b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 414b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 415b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 416b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 417b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 418b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 4207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 42851faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 4297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 4317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 43251faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 43384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t *objects = parcel->mObjects; 4347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 4357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 4367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 4377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 4397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 442b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 443b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 444b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 445b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 446b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 447b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 4497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 4507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 4517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 4527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 4537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 4567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 4577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 45827182be9f20f4f5b48316666429f09b9ecc1f22eChristopher Tate if ((off >= offset) && (off + sizeof(flat_binder_object) <= offset + len)) { 4597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 4607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 4617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 4637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 46797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 46897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 46997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 47097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 47197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 47297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 4737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 4777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 4787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 4797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4808938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 4818938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 4827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 4837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 485ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate size_t newSize = ((mObjectsSize + numObjects)*3)/2; 486ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 48784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t *objects = 48884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 48984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (objects == (binder_size_t*)0) { 4907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 4917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 4937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 4947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 495d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 4967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 4977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 4987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 4997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 5007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 5017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 5027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5038af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 5047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 5057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 5067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 5088af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 5098af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 5108af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 5118af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 51284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg flat->cookie = 1; 5137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 5148938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 5158938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 5168938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 5177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5218938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 5228938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 5238938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 52413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownbool Parcel::allowFds() const 52513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 52613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return mAllowFds; 52713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 52813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 5297746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 5308938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 5318938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 5327746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 5337746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 5347746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 5358938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5387746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 5397746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 5407746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 5417746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 5427746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 5447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 551702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 5527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 5537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 554a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 555a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 5577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 5587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 56083c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 56183c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 562702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 56383c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 56483c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 565a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 56670081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 5677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 56870081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 56970081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 57070081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 571a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 5725273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 5735273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 5745273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 5755273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 5765273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 5775273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 5785273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 5795273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 5805273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 5815273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 58283c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 586d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGW("**** enforceInterface() expected '%s' but read '%s'", 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 5887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 5897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 590702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 5917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 59284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågconst binder_size_t* Parcel::objects() const 5937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 5987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 6007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 6037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 6057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 6087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 6107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 614b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 615b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 616b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 617b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 618b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 619b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 622d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data pos of %p to %zu", this, mDataPos); 6237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 6247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 625d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data size of %p to %zu", this, mDataSize); 6267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 6287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 6327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 633b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 634b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 635b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 636b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 637b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 638b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 6407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 6417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 6427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 6437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 6467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 6477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 6487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 6497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 6527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 658b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 659b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 660b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 661b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 662b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 663b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 6657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 6667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 6707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 674b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 675b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 676b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 677b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 678b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 679b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 680b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich const size_t padded = pad_size(len); 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 6837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 6847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 6857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 6887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 6897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 6907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 6917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 6937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 6947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 6957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 6967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 6977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 6987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 6997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 7007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 7027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 7057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 7067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 7077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 7107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7185f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeByteVector(const std::vector<int8_t>& val) 719451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 7205f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status_t status; 721451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (val.size() > std::numeric_limits<int32_t>::max()) { 7225f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 7235f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 724451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 725451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7265f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = writeInt32(val.size()); 727451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 728451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 729451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 730451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7315f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin void* data = writeInplace(val.size()); 7325f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin if (!data) { 7335f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 7345f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 735451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 736451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7375f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin memcpy(data, val.data(), val.size()); 7385f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 739451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 740451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7415f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt32Vector(const std::vector<int32_t>& val) 742451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 74303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt32); 7445f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 745451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7465f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt64Vector(const std::vector<int64_t>& val) 7475f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 74803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt64); 7495f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 750451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7515f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeFloatVector(const std::vector<float>& val) 7525f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 75303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeFloat); 7545f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 755451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7565f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeDoubleVector(const std::vector<double>& val) 7575f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 75803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeDouble); 759451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 760451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 761451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeBoolVector(const std::vector<bool>& val) 762451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 76303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeBool); 764451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 765451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 766451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeCharVector(const std::vector<char16_t>& val) 767451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 76803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeChar); 769451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 770451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 771451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeString16Vector(const std::vector<String16>& val) 772451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 77303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeString16); 774451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 775451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 7777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 77884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 7797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 78041a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 78141a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::writeUint32(uint32_t val) 78241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 78341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return writeAligned(val); 78441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 78541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 7865c0106e134366312206702f1b072347e20c90374Marco Nelissenstatus_t Parcel::writeInt32Array(size_t len, const int32_t *val) { 787b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 788b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 789b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 790b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 791b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 792b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 7935c0106e134366312206702f1b072347e20c90374Marco Nelissen if (!val) { 794e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 7955c0106e134366312206702f1b072347e20c90374Marco Nelissen } 796e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 7975c0106e134366312206702f1b072347e20c90374Marco Nelissen if (ret == NO_ERROR) { 7985c0106e134366312206702f1b072347e20c90374Marco Nelissen ret = write(val, len * sizeof(*val)); 7995c0106e134366312206702f1b072347e20c90374Marco Nelissen } 8005c0106e134366312206702f1b072347e20c90374Marco Nelissen return ret; 8015c0106e134366312206702f1b072347e20c90374Marco Nelissen} 802f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissenstatus_t Parcel::writeByteArray(size_t len, const uint8_t *val) { 803b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 804b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 805b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 806b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 807b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 808b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 809f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (!val) { 810e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 811f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 812e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 813f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (ret == NO_ERROR) { 814f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen ret = write(val, len * sizeof(*val)); 815f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 816f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen return ret; 817f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen} 8187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 819d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeBool(bool val) 820d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 821d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 822d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 823d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 824d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeChar(char16_t val) 825d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 826d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 827d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 828d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 829d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeByte(int8_t val) 830d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 831d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 832d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 833d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 8347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 8357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 83684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 8377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8392d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::writeUint64(uint64_t val) 8402d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 8412d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return writeAligned(val); 8422d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 8432d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 844f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::writePointer(uintptr_t val) 845f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 84684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return writeAligned<binder_uintptr_t>(val); 847f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 848f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 8497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 8507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 85184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 8527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 854cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 855cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 856cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::writeDouble(double val) 857cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 858cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 859cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 860cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 861cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 862cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.d = val; 863cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return writeAligned(u.ll); 864cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 865cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 866cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 867cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 8687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 8697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 87084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 87184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 8727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 873cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 874cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 8757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 8767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 8787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 8817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 883d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 884d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 885d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 886d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 8877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 8887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 8907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 8937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 8957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 8987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 900d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 9017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 9027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 9037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 9047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 9057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 9087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 9117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 9137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 9167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 9187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 920eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::writeStrongBinderVector(const std::vector<sp<IBinder>>& val) 921eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin{ 92203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeStrongBinder); 923eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 924eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 925eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::readStrongBinderVector(std::vector<sp<IBinder>>* val) const { 92603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readStrongBinder); 927eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 928eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 9297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 9307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 9327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 934a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 9355f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 9361d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 9375f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 9385f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 9395f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 940a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 9415f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 942edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 943a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 9445f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 945edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 946a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 947a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 948edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 949edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 9509d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 951edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 952edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 953a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 9545f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 9555f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 9565f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 95793ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 9587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 9607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 9617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 96207fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 9637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 96484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = takeOwnership ? 1 : 0; 9657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 9667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 9697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 970d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 971d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 972d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 973d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 974d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 975d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (err) { 976d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 977d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 978d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 9797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 98113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeBlob(size_t len, bool mutableCopy, WritableBlob* outBlob) 9825707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 983b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 984b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 985b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 986b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 987b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 988b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 98913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status; 99013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds || len <= BLOB_INPLACE_LIMIT) { 9916807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 99213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(BLOB_INPLACE); 9935707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 9945707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 9955707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 9965707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 9975707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 99813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, ptr, len, false); 9995707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 10005707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 10015707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 10026807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 10035707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 10045707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 10055707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1006aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler mBlobAshmemSize += len; 1007aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 10085707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 10095707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1010ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 10115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 10125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 10135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 10145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 10155707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 101613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mutableCopy) { 101713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 101813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown } 10195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1020ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 10215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 102213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(mutableCopy ? BLOB_ASHMEM_MUTABLE : BLOB_ASHMEM_IMMUTABLE); 10235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 102493ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 10255707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 102613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, mutableCopy); 10275707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 10285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 10295707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 10305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 10315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 10325707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 10335707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 10345707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 10355707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 10365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 10375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 103813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeDupImmutableBlobFileDescriptor(int fd) 103913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 104013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // Must match up with what's done in writeBlob. 104113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds) return FDS_NOT_ALLOWED; 104213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = writeInt32(BLOB_ASHMEM_IMMUTABLE); 104313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (status) return status; 104413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return writeDupFileDescriptor(fd); 104513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 104613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 1047e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const FlattenableHelperInterface& val) 104898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 104998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 105098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 105198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 1052e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t len = val.getFlattenedSize(); 1053e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t fd_count = val.getFdCount(); 105498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1055b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((len > INT32_MAX) || (fd_count > INT32_MAX)) { 1056b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1057b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1058b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1059b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1060b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 106198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 106298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 106398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 106498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 106598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 106698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 106798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1068b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void* const buf = this->writeInplace(pad_size(len)); 106998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 107098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 107198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 107298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 107398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 107498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 107598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 107698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 107798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 107898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 107998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 108098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 108198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 108298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 108398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 108498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 108598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 108698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 108798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 108898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 10897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 10907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 10927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 10937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 10947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 10957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 1096d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 10977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 10987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 10998938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 110098e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // fail before modifying our object index 11018938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 11028938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 11037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 11047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 110698e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // Need to write meta-data? 110798e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate if (nullMetaData || val.binder != 0) { 110898e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjects[mObjectsSize] = mDataPos; 110998e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate acquire_object(ProcessState::self(), val, this); 111098e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjectsSize++; 111198e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate } 111298e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate 11137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 11147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 11177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 11187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 11197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 11217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 1122ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 112384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 11247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 11257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 11267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 11277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1128d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 11297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 11307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1132837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 1133837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 113409eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 113509eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.writeToParcel(this); 1136837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 1137837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 11386f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::remove(size_t /*start*/, size_t /*amt*/) 11397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 11407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 11417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 11447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1145b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1146b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1147b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1148b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1149b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1150b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1151b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1152b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 11537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 1154b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1155d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("read Setting data pos of %p to %zu", this, mDataPos); 11567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 11577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 11597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 11627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1163b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1164b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1165b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1166b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 1167b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1168b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1169b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1170b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 11717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 1172b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1173d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readInplace Setting data pos of %p to %zu", this, mDataPos); 11747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 11757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 11777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 117984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 118084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 1181b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 118284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 118384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 11847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 118584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 118684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 11877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 11887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 11897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 11907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 119384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 119484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 119584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 119684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 119784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 119884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 119984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 120084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 120184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 120284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 120384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 120484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 1205b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 120684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 120784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 120884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 120984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 121084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 121184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 121284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 121384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 121484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 121584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 121684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 121784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1218451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readByteVector(std::vector<int8_t>* val) const { 1219451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->clear(); 1220451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1221451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1222451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1223451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1224451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1225451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1226451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1227451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 12284db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size < 0) { 12294db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley status = UNEXPECTED_NULL; 12304db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return status; 12314db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley } 12324db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size_t(size) > dataAvail()) { 1233f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1234f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1235451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 12364db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley 1237f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley const void* data = readInplace(size); 1238f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley if (!data) { 1239f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1240f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1241451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1242f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley val->resize(size); 1243f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley memcpy(val->data(), data, size); 1244451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1245f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1246451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1247451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1248451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt32Vector(std::vector<int32_t>* val) const { 124903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt32); 1250451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1251451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1252451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt64Vector(std::vector<int64_t>* val) const { 125303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt64); 1254451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1255451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1256451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readFloatVector(std::vector<float>* val) const { 125703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readFloat); 1258451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1259451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1260451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readDoubleVector(std::vector<double>* val) const { 126103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readDouble); 1262451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1263451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1264451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readBoolVector(std::vector<bool>* val) const { 1265451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->clear(); 1266451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1267451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1268451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1269451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1270451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1271451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1272451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1273451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1274451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (size < 0) { 12754db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1276451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1277451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1278451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->resize(size); 1279451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1280451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin /* C++ bool handling means a vector of bools isn't necessarily addressable 1281451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin * (we might use individual bits) 1282451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin */ 128397887989495318803643c91b196b6bcabf2a7a03Christopher Wiley bool data; 128497887989495318803643c91b196b6bcabf2a7a03Christopher Wiley for (int32_t i = 0; i < size; ++i) { 1285451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status = readBool(&data); 1286451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin (*val)[i] = data; 1287451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1288451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1289451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1290451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1291451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1292451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1293451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return OK; 1294451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1295451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1296451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readCharVector(std::vector<char16_t>* val) const { 129703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readChar); 1298451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1299451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1300451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16Vector(std::vector<String16>* val) const { 130103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readString16); 1302451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1303451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1304451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 130584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 130684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 130784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 130884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 130984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 131284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 131541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::readUint32(uint32_t *pArg) const 131641a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 131741a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned(pArg); 131841a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 131941a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 132041a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozauint32_t Parcel::readUint32() const 132141a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 132241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned<uint32_t>(); 132341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 13247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 13267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 132784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 13287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 13327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 133384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 13347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13362d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::readUint64(uint64_t *pArg) const 13372d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 13382d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned(pArg); 13392d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 13402d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 13412d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wuuint64_t Parcel::readUint64() const 13422d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 13432d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned<uint64_t>(); 13442d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 13452d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 1346f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::readPointer(uintptr_t *pArg) const 1347f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 134884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg status_t ret; 134984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_uintptr_t ptr; 135084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg ret = readAligned(&ptr); 135184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!ret) 135284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *pArg = ptr; 135384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return ret; 1354f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1355f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1356f683e0163a84d93448b9388126902242367cd961Serban Constantinescuuintptr_t Parcel::readPointer() const 1357f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 135884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return readAligned<binder_uintptr_t>(); 1359f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1360f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1361f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 13627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 13637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 136484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 13657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 13697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 137084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 13717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1373cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 1374cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 13757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 13767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1377cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1378cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1379cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1380cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 13812c68d380c9ef765a7d46e5a4735f39e6c27849f2Narayan Kamath u.d = 0; 1382cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status_t status; 1383cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status = readAligned(&u.ll); 1384cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung *pArg = u.d; 1385cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return status; 13867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1388cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungdouble Parcel::readDouble() const 1389cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1390cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1391cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1392cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1393cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1394cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.ll = readAligned<unsigned long long>(); 1395cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return u.d; 1396cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1397cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1398cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1399cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1400cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::readDouble(double *pArg) const 1401cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1402cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return readAligned(pArg); 1403cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 14047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 14067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 140784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 140884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 140984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1410cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1411cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 141284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 141384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 141484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 141584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 141684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 141784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 141884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 141984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 142084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 14217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1423d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readBool(bool *pArg) const 1424d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1425d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1426d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1427d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = (tmp != 0); 1428d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1429d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1430d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1431d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinbool Parcel::readBool() const 1432d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1433d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return readInt32() != 0; 1434d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1435d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1436d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readChar(char16_t *pArg) const 1437d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1438d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1439d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1440d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = char16_t(tmp); 1441d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1442d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1443d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1444d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinchar16_t Parcel::readChar() const 1445d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1446d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return char16_t(readInt32()); 1447d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1448d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1449d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readByte(int8_t *pArg) const 1450d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1451d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1452d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1453d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = int8_t(tmp); 1454d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1455d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1456d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1457d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinint8_t Parcel::readByte() const 1458d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1459d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return int8_t(readInt32()); 1460d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 14617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 14637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 14657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 14667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 14677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 14687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 14697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 14707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 1471b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len+1); 1472d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readCString Setting data pos of %p to %zu", this, mDataPos); 14737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 14747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 14777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 14807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 14827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 14837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 14847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 14857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 14867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 14887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 14917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 14937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 14947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1495e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 14967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 14977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1499451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16(String16* pArg) const 1500451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 1501451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin size_t len; 1502451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin const char16_t* str = readString16Inplace(&len); 1503451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (str) { 15041515ea103e00f6672afad4d27f2e0dec5648d7b6Casey Dahlin pArg->setTo(str, len); 1505451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return 0; 1506451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } else { 1507451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin *pArg = String16(); 15084db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1509451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1510451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1511451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 15127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 15137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 15157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 15167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 15177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 15187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 15197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 15207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 15217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 15247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 15257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1527f0c13772d95486d98f034361883b2415bb26a614Casey Dahlinstatus_t Parcel::readStrongBinder(sp<IBinder>* val) const 1528f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin{ 1529f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin return unflatten_binder(ProcessState::self(), *this, val); 1530f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin} 1531f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 15327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 15337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 1535f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin readStrongBinder(&val); 15367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 15377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 15407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 15427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 15437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 15447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1546837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1547837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 154809eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 154909eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley status.readFromParcel(*this); 155009eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.exceptionCode(); 1551837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 15525f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1553a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 15545f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 15555f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 15565f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 15575f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 15585f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 15595f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 15605f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 15615f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1562a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 1563eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski if (!h) { 1564eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski return 0; 1565eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski } 1566eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski 15675f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1568360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 15695f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 15705f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 15715f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 15725f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1573a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1574a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 15755f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 15765f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 15775f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 15785f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 15795f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 15805f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 15817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 15827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 15847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 15857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 15867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: 1587d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Returning file descriptor %ld from parcel %p", flat->handle, this); 15887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flat->handle; 1589d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn } 15907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 15927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15945707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 15955707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 159613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown int32_t blobType; 159713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = readInt32(&blobType); 15985707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 15995707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 160013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (blobType == BLOB_INPLACE) { 16016807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 16025707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 16035707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 16045707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 160513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, const_cast<void*>(ptr), len, false); 16065707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 16075707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 16085707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 16096807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 161013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown bool isMutable = (blobType == BLOB_ASHMEM_MUTABLE); 16115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 16125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 16135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 161413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown void* ptr = ::mmap(NULL, len, isMutable ? PROT_READ | PROT_WRITE : PROT_READ, 161513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown MAP_SHARED, fd, 0); 16169ea09757fa63ad2a9bea9c846b51c1210d69c79fNarayan Kamath if (ptr == MAP_FAILED) return NO_MEMORY; 16175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 161813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, isMutable); 16195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 16205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 16215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1622e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(FlattenableHelperInterface& val) const 162398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 162498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 162598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 162698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 162798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1628b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1629b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1630b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1631b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1632b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1633b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 163498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1635b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void const* const buf = this->readInplace(pad_size(len)); 163698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 163798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 163898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 163998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 164098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 164198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 164298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 164398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 164498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 164598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 1646fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall fds[i] = dup(this->readFileDescriptor()); 1647abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang if (fds[i] < 0) { 1648abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang err = BAD_VALUE; 1649fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall ALOGE("dup() failed in Parcel::read, i is %zu, fds[i] is %d, fd_count is %zu, error: %s", 1650fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall i, fds[i], fd_count, strerror(errno)); 1651abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang } 165298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 165398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 165498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 165598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 165698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 165798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 165898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 165998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 166098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 166198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 166298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 166398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 16647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 16657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 16677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 16687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 16697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 16707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 167184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!nullMetaData && (obj->cookie == 0 && obj->binder == 0)) { 16725f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 16737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 16747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 1675d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 16767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 16777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1678d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 16797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 168084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const OBJS = mObjects; 16817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 16827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 1683d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 16847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 1685d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p looking for obj at %zu, hint=%zu", 16867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 1687d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 16887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 16897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 16907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 16917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 16927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 16937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 16957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 16967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 16987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1699d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with forward search", 17007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 17017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1702d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 17037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 17047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1705d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 17077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 17087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 17097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 17117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1712d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with backward search", 17137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 17147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1715d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 17167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 17177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17196f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGW("Attempt to read object from Parcel %p at offset %zu that is not in the object list", 17207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 17217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 17237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 17267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 17287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 1729d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing file descriptors for %zu objects...", i); 17307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 17327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 17337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 17347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 17357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 1736d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing fd: %ld", flat->handle); 17377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 17387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 174284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcData() const 17437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 174484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mData); 17457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 17487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 17507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 175284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcObjects() const 17537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 175484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mObjects); 17557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 17587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 17607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 176384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 17647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17656f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t minOffset = 0; 17667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 17677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 17687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 17697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 1770d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)", this, mDataSize, getpid()); 17717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 1772d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataReference Setting data pos of %p to %zu", this, mDataPos); 177384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg mObjects = const_cast<binder_size_t*>(objects); 17747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 17757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 17767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 17777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 1778f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg for (size_t i = 0; i < mObjectsSize; i++) { 17796f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t offset = mObjects[i]; 1780f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg if (offset < minOffset) { 17813bdc5b826803dca10d3625c56de38d6c55d869c8Dan Albert ALOGE("%s: bad object offset %" PRIu64 " < %" PRIu64 "\n", 17826f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg __func__, (uint64_t)offset, (uint64_t)minOffset); 1783f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg mObjectsSize = 0; 1784f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg break; 1785f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 1786f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg minOffset = offset + sizeof(flat_binder_object); 1787f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 17887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 17897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17916f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::print(TextOutput& to, uint32_t /*flags*/) const 17927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 1794d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 17967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 17976f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross to << "Error: " << (void*)(intptr_t)err << " \"" << strerror(-err) << "\""; 17987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 17997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 18007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 180184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* OBJS = objects(); 18027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 18037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 18047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 18057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 18067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 18077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 18087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 18097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 18117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 18127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1813d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 18147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 18157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 18187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 18207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 18217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 182284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 18237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 18247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 18257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 18267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 18277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 18287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 18327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 18347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 18357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 183684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 18377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 18387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 18397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 18407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 18417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquire_object(proc, *flat, this); 18427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 18467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 18487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 18497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 18527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 18547e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing other owner data", this); 1855d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 18567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 18577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 18587e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing allocated data", this); 18597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 18607e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn if (mData) { 18617e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing with %zu capacity", this, mDataCapacity); 1862a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 186348fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (mDataCapacity <= gParcelGlobalAllocSize) { 186448fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = gParcelGlobalAllocSize - mDataCapacity; 186548fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } else { 186648fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = 0; 186748fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 186848fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (gParcelGlobalAllocCount > 0) { 186948fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocCount--; 187048fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 1871a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 18727e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn free(mData); 18737e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn } 18747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 18757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 18797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1880b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1881b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1882b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1883b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1884b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1885b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 18867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 18877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 18887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 18897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 18907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 18937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1894b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 1895b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1896b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1897b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1898b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1899b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 19007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 19017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 19027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 19037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1904d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 19067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 19077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 19087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 19097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1910d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 1912d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 19147e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: restart from %zu to %zu capacity", this, mDataCapacity, desired); 1915a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 19167e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 19177e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 1918a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 19197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 19207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 19217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1922d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 1924d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data size of %p to %zu", this, mDataSize); 1925d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data pos of %p to %zu", this, mDataPos); 1926d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 19287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 19297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 19307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 19317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 19327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 19338938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 1934d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 19367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 19397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1940b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 1941b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1942b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1943b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1944b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1945b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 19467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 19477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 19487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 19497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 19507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 19517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 19527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 19537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 19547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 19557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 19567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 19577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1960d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 19627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 19637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 19647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 19657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 19667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 19697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 19707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 19717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 19727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 19737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 19747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 197584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = NULL; 1976d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 1978e9881a3961888c4264034473021f42f9f0305026Nick Kralevich objects = (binder_size_t*)calloc(objectsSize, sizeof(binder_size_t)); 19797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 19803f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim free(data); 19813f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 19827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 19837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 19847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 19877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 19887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 19897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 19907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 19917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 19927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1993d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 19957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 19967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 199884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg memcpy(objects, mObjects, objectsSize*sizeof(binder_size_t)); 19997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2000d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 20017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 20027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 20037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20047e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: taking ownership of %zu capacity", this, desired); 2005a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 20067e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 20077e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2008a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 20097e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 20107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 20117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 20127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 2013d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 20147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 20157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 20167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 20177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 20197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 20207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 20217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 20227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 20237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 20257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 20267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 20277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 20287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project release_object(proc, *flat, this); 20307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 203184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = 203284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t)); 20337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 20347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 20357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 20377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 20387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 20417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 20427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 20437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 20447e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: continue from %zu to %zu capacity", this, mDataCapacity, 20457e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn desired); 2046a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 20477e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 20487e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 204948fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocCount++; 2050a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 20517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 20527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 20537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 20547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 20557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 20567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 205897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 205997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 2060d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 206197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 20627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 20637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 2064d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 20657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2067d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 20697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 20707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 20717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 20727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 20737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 20747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20753f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 20767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 20777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 20786f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("continueWrite: %zu/%p/%zu/%zu", mDataCapacity, mObjects, mObjectsCapacity, desired); 20797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2080d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20817e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: allocating with %zu capacity", this, desired); 2082a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 20837e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 20847e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2085a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 20867e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 20877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 20887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 2089d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 2090d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 20917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 20927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 20957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 20987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20997e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: initState", this); 21007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 21017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 21027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 21037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 21047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 2105d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data size of %p to %zu", this, mDataSize); 2106d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data pos of %p to %zu", this, mDataPos); 21077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 21087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 21097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 21107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 21117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 21127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 21138938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 21147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 2115aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler mBlobAshmemSize = 0; 21167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 21197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 21207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 21217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 21227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 21237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 21247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 21257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 21267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 21277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 21287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 21297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 21307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 21317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2133aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandlersize_t Parcel::getBlobAshmemSize() const 2134aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler{ 2135aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler return mBlobAshmemSize; 2136aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 2137aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 21385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 21395707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 21405707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 214113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd(-1), mData(NULL), mSize(0), mMutable(false) { 21425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 21435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 21445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 21455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 21465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 21475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 21485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 214913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (mFd != -1 && mData) { 21505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 21515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 21525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 21535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 21545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 215513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownvoid Parcel::Blob::init(int fd, void* data, size_t size, bool isMutable) { 215613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = fd; 21575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 21585707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 215913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = isMutable; 21605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 21615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 21625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 216313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = -1; 21645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 21655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 216613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = false; 21675707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 21685707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 21697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 2170