Parcel.cpp revision 6bb3114246f6f6aa406e65452dbaa12b135029ea
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> 26002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <binder/TextOutput.h> 27002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian 28abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang#include <errno.h> 29002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <utils/Debug.h> 307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/misc.h> 3498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian#include <utils/Flattenable.h> 355707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <cutils/ashmem.h> 367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 37208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 387e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#include <private/binder/Static.h> 397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 40f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg#include <inttypes.h> 417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdio.h> 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdlib.h> 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <stdint.h> 445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown#include <sys/mman.h> 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 519f760150f6e0f39b9923cfdc875373606839ee00Steve Block//#define LOG_REFS(...) ALOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#define LOG_ALLOC(...) 537e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn//#define LOG_ALLOC(...) ALOG(LOG_DEBUG, "Parcel", __VA_ARGS__) 547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 57b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// This macro should never be used at runtime, as a too large value 58b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// of s could cause an integer overflow. Instead, you should always 59b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// use the wrapper function pad_size() 60b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich#define PAD_SIZE_UNSAFE(s) (((s)+3)&~3) 61b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 62b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevichstatic size_t pad_size(size_t s) { 63b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (s > (SIZE_T_MAX - 3)) { 64b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 65b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 66b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return PAD_SIZE_UNSAFE(s); 67b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich} 687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 69a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 700c1f5cbb8a41d19195ab49dcfeb5caaea2d3fcdaJeff Sharkey#define STRICT_MODE_PENALTY_GATHER (0x40 << 16) 71a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 72d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick// Note: must be kept in sync with android/os/Parcel.java's EX_HAS_REPLY_HEADER 73d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick#define EX_HAS_REPLY_HEADER -128 74d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 85a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic pthread_mutex_t gParcelGlobalAllocSizeLock = PTHREAD_MUTEX_INITIALIZER; 86a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocSize = 0; 87a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocCount = 0; 88a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn 8913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown// Maximum size of a blob to transfer in-place. 9013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatic const size_t BLOB_INPLACE_LIMIT = 16 * 1024; 9113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 9213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownenum { 9313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_INPLACE = 0, 9413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_IMMUTABLE = 1, 9513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_MUTABLE = 2, 9613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown}; 9713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 99cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 10584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->incStrong(who); 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 11084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 126cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos if (obj.cookie != 0) { 1276bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (outAshmemSize != NULL) { 1286bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // If we own an ashmem fd, keep track of how much memory it refers to. 1296bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos int size = ashmem_get_size_region(obj.handle); 1306bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (size > 0) { 1316bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos *outAshmemSize += size; 1326bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 133cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 134cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1396f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGD("Invalid object type 0x%08x", obj.type); 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1426bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid acquire_object(const sp<ProcessState>& proc, 1436bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos const flat_binder_object& obj, const void* who) 1446bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos{ 1456bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos acquire_object(proc, obj, who, NULL); 1466bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 1476bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 1486bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosstatic void release_object(const sp<ProcessState>& proc, 149cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 15584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->decStrong(who); 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 16084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 1766bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (outAshmemSize != NULL) { 1776bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (obj.cookie != 0) { 1786bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos int size = ashmem_get_size_region(obj.handle); 1796bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (size > 0) { 1806bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos *outAshmemSize -= size; 1816bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 182cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos 1836bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos close(obj.handle); 1846bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 185cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 1867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1906f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("Invalid object type 0x%08x", obj.type); 1917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1936bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid release_object(const sp<ProcessState>& proc, 1946bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos const flat_binder_object& obj, const void* who) 1956bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos{ 1966bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos release_object(proc, obj, who, NULL); 1976bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 1986bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 2006f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out) 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 2037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2056f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 2077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 209d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 216e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 22007fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 22284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 22584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(local->getWeakRefs()); 22684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(local); 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 23084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 23184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 233d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2376f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 241d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 2477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 250e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 25407fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 25684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 25984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(binder.get_refs()); 26084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(binder.unsafe_get()); 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 264d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 272e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 27484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 27584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 277d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 28084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 28184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2876f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross BpBinder* /*proxy*/, const flat_binder_object& /*flat*/, 2886f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const Parcel& /*in*/) 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 292d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 297d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 30184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 307d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn } 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 3137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 316d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 32084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 32384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (flat->binder != 0) { 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 32584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(flat->cookie), 32684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(flat->binder)); 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3457e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: constructing", this); 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 3507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 3527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: destroyed", this); 3537e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3547e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3557e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocSize() { 356a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 357a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t size = gParcelGlobalAllocSize; 358a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 359a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return size; 3607e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3617e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3627e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocCount() { 363a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 364a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t count = gParcelGlobalAllocCount; 365a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 366a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return count; 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 4017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 402b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 403b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 404b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 405b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 406b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 407b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 4097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 412d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataSize Setting data size of %p to %zu", this, mDataSize); 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 4187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 419b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (pos > INT32_MAX) { 420b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 421b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 422b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 423b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 424b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 4307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 431b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 432b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 433b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 434b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 435b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 436b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 43797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 4387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 4427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 443b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 444b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 445b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 446b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 447b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 448b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 4507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 4527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 4537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 4547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 45851faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 4597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 4617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 46251faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 46384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t *objects = parcel->mObjects; 4647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 4657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 4677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 4697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 472b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 473b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 474b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 475b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 476b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 477b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 4797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 4807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 4817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 4827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 4837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 4867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 4877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 48827182be9f20f4f5b48316666429f09b9ecc1f22eChristopher Tate if ((off >= offset) && (off + sizeof(flat_binder_object) <= offset + len)) { 4897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 4907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 4917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 4937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 4967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 49797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 49897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 49997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 50097e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 50197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 50297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 5037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 5067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 5077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 5097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5108938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 5118938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 5137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 515ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate size_t newSize = ((mObjectsSize + numObjects)*3)/2; 516ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 51784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t *objects = 51884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 51984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (objects == (binder_size_t*)0) { 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 525d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 5317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5338af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 535cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 5388af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 5398af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 5408af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 5418af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 54284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg flat->cookie = 1; 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 5448938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 5458938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 5468938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5518938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 5528938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 5538938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 55413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownbool Parcel::allowFds() const 55513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 55613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return mAllowFds; 55713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 55813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 5597746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 5608938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 5618938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 5627746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 5637746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 5647746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 5658938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 5667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5687746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 5697746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 5707746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 5717746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 5727746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 581702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 584a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 585a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 5877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 5887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 59083c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 59183c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 592702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 59383c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 59483c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 595a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 59670081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 5977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 59870081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 59970081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 60070081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 601a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 6025273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 6035273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 6045273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 6055273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 6065273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 6075273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 6085273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 6095273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 6105273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 6115273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 61283c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 6137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 6157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 616d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGW("**** enforceInterface() expected '%s' but read '%s'", 6177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 6187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 6197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 620702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 62284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågconst binder_size_t* Parcel::objects() const 6237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 6257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 6287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 6307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 6337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 6357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 6387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 6407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 6437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 644b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 645b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 646b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 647b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 648b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 649b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 6517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 652d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data pos of %p to %zu", this, mDataPos); 6537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 6547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 655d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data size of %p to %zu", this, mDataSize); 6567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 6587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 6627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 663b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 664b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 665b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 666b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 667b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 668b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 6707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 6717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 6727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 6777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 6787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 6797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 6877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 688b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 689b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 690b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 691b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 692b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 693b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 6957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 6967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 6977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 7007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 7037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 704b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 705b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 706b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 707b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 708b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 709b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 710b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich const size_t padded = pad_size(len); 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 7237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 7247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 7257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 7277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 7307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 7327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 7357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 7367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 7377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 7407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 7417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 7447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 7457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 7497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 75084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 7517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 75241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 75341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::writeUint32(uint32_t val) 75441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 75541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return writeAligned(val); 75641a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 75741a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 7585c0106e134366312206702f1b072347e20c90374Marco Nelissenstatus_t Parcel::writeInt32Array(size_t len, const int32_t *val) { 759b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 760b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 761b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 762b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 763b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 764b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 7655c0106e134366312206702f1b072347e20c90374Marco Nelissen if (!val) { 766e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 7675c0106e134366312206702f1b072347e20c90374Marco Nelissen } 768e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 7695c0106e134366312206702f1b072347e20c90374Marco Nelissen if (ret == NO_ERROR) { 7705c0106e134366312206702f1b072347e20c90374Marco Nelissen ret = write(val, len * sizeof(*val)); 7715c0106e134366312206702f1b072347e20c90374Marco Nelissen } 7725c0106e134366312206702f1b072347e20c90374Marco Nelissen return ret; 7735c0106e134366312206702f1b072347e20c90374Marco Nelissen} 774f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissenstatus_t Parcel::writeByteArray(size_t len, const uint8_t *val) { 775b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 776b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 777b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 778b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 779b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 780b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 781f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (!val) { 782e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 783f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 784e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 785f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (ret == NO_ERROR) { 786f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen ret = write(val, len * sizeof(*val)); 787f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 788f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen return ret; 789f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen} 7907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 7927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 79384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 7947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7962d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::writeUint64(uint64_t val) 7972d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 7982d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return writeAligned(val); 7992d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 8002d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 801f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::writePointer(uintptr_t val) 802f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 80384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return writeAligned<binder_uintptr_t>(val); 804f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 805f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 8067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 8077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 80884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 8097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 811cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 812cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 813cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::writeDouble(double val) 814cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 815cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 816cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 817cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 818cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 819cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.d = val; 820cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return writeAligned(u.ll); 821cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 822cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 823cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 824cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 8257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 8267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 82784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 82884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 8297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 830cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 831cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 8327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 8337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 8357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 8387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 840d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 841d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 842d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 843d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 8447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 8457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 8477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 8507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 8527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 8557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 857d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 8587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 8597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 8607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 8617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 8627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 8637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 8647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 8657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 8667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 8687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 8697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 8707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 8737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 8757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 8777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 8787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 8797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 8807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 8817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 882a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 8835f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 8841d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 8855f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 8865f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 8875f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 888a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 8895f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 890edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 891a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 8925f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 893edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 894a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 895a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 896edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 897edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 8989d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 899edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 900edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 901a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 9025f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 9035f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 9045f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 90593ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 9087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 9097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 91007fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 9117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 91284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = takeOwnership ? 1 : 0; 9137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 9147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 9177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 918d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 919d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 920d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 921d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 922d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 923d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (err) { 924d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 925d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 926d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 9277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 92913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeBlob(size_t len, bool mutableCopy, WritableBlob* outBlob) 9305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 931b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 932b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 933b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 934b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 935b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 936b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 93713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status; 93813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds || len <= BLOB_INPLACE_LIMIT) { 9396807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 94013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(BLOB_INPLACE); 9415707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 9425707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 9435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 9445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 9455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 94613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, ptr, len, false); 9475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 9485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 9495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 9506807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 9515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 9525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 9535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 9545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 9555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 956ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 9575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 9585707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 9595707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 9605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 9615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 96213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mutableCopy) { 96313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 96413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown } 9655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 966ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 9675707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 96813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(mutableCopy ? BLOB_ASHMEM_MUTABLE : BLOB_ASHMEM_IMMUTABLE); 9695707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 97093ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 9715707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 97213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, mutableCopy); 9735707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 9745707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 9755707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 9765707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 9775707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 9785707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 9795707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 9805707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 9815707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 9825707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 9835707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 98413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeDupImmutableBlobFileDescriptor(int fd) 98513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 98613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // Must match up with what's done in writeBlob. 98713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds) return FDS_NOT_ALLOWED; 98813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = writeInt32(BLOB_ASHMEM_IMMUTABLE); 98913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (status) return status; 99013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return writeDupFileDescriptor(fd); 99113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 99213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 993e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const FlattenableHelperInterface& val) 99498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 99598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 99698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 99798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 998e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t len = val.getFlattenedSize(); 999e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t fd_count = val.getFdCount(); 100098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1001b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((len > INT32_MAX) || (fd_count > INT32_MAX)) { 1002b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1003b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1004b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1005b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1006b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 100798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 100898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 100998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 101098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 101198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 101298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 101398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1014b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void* const buf = this->writeInplace(pad_size(len)); 101598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 101698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 101798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 101898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 101998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 102098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 102198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 102298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 102398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 102498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 102598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 102698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 102798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 102898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 102998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 103098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 103198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 103298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 103398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 103498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 10357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 10367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 10387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 10397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 10407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 10417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 1042d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 10437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 10447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 10458938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 104698e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // fail before modifying our object index 10478938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 10488938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 10497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 10507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 105298e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // Need to write meta-data? 105398e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate if (nullMetaData || val.binder != 0) { 105498e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjects[mObjectsSize] = mDataPos; 1055cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(ProcessState::self(), val, this, &mOpenAshmemSize); 105698e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjectsSize++; 105798e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate } 105898e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate 10597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 10607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 10637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 10647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 10657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 10677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 1068ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 106984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 10707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 10717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 10727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 10737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1074d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 10767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1078837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 1079837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 1080837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return writeInt32(0); 1081837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 1082837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 10836f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::remove(size_t /*start*/, size_t /*amt*/) 10847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 10867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 10897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1090b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1091b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1092b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1093b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1094b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1095b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1096b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1097b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 10987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 1099b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1100d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("read Setting data pos of %p to %zu", this, mDataPos); 11017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 11027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 11047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 11077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1108b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1109b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1110b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1111b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 1112b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1113b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1114b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1115b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 11167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 1117b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1118d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readInplace Setting data pos of %p to %zu", this, mDataPos); 11197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 11207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 11227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 112484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 112584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 1126b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 112784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 112884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 11297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 113084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 113184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 11327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 11337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 11347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 11357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 11367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 113884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 113984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 114084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 114184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 114284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 114384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 114484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 114584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 114684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 114784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 114884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 114984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 1150b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 115184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 115284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 115384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 115484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 115584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 115684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 115784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 115884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 115984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 116084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 116184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 116284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 116384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 116484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 116584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 116684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 116784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 11687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 11697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 117084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 11717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 117341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::readUint32(uint32_t *pArg) const 117441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 117541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned(pArg); 117641a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 117741a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 117841a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozauint32_t Parcel::readUint32() const 117941a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 118041a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned<uint32_t>(); 118141a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 11827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 11847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 118584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 11867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 11907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 119184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 11927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 11937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 11942d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::readUint64(uint64_t *pArg) const 11952d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 11962d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned(pArg); 11972d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 11982d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 11992d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wuuint64_t Parcel::readUint64() const 12002d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 12012d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned<uint64_t>(); 12022d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 12032d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 1204f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::readPointer(uintptr_t *pArg) const 1205f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 120684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg status_t ret; 120784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_uintptr_t ptr; 120884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg ret = readAligned(&ptr); 120984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!ret) 121084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *pArg = ptr; 121184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return ret; 1212f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1213f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1214f683e0163a84d93448b9388126902242367cd961Serban Constantinescuuintptr_t Parcel::readPointer() const 1215f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 121684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return readAligned<binder_uintptr_t>(); 1217f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1218f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1219f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 12207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 12217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 122284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 12237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 12277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 122884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 12297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1231cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 1232cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 12337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 12347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1235cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1236cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1237cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1238cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 12392c68d380c9ef765a7d46e5a4735f39e6c27849f2Narayan Kamath u.d = 0; 1240cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status_t status; 1241cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status = readAligned(&u.ll); 1242cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung *pArg = u.d; 1243cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return status; 12447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1246cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungdouble Parcel::readDouble() const 1247cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1248cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1249cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1250cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1251cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1252cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.ll = readAligned<unsigned long long>(); 1253cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return u.d; 1254cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1255cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1256cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1257cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1258cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::readDouble(double *pArg) const 1259cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1260cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return readAligned(pArg); 1261cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 12627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 12647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 126584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 126684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 126784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1268cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1269cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 127084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 127184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 127284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 127384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 127484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 127584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 127684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 127784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 127884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 12797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 12837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 12857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 12867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 12887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 12897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 12907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 1291b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len+1); 1292d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readCString Setting data pos of %p to %zu", this, mDataPos); 12937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 12947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 12977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 13007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 13027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 13037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 13047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 13057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 13117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1315e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 13167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 13177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 13207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 13227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 13237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 13247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 13257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 13267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 13277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 13287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 13317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 13327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 13357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 13377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 13387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 13397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 13417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 13427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 13447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 13457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 13467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1348837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1349837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 1350837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick int32_t exception_code = readAligned<int32_t>(); 1351d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick if (exception_code == EX_HAS_REPLY_HEADER) { 13521ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg int32_t header_start = dataPosition(); 1353d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick int32_t header_size = readAligned<int32_t>(); 1354d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // Skip over fat responses headers. Not used (or propagated) in 1355d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // native code 13561ba24574b2debd3ca012adbbd77f12bed4f2d266Magnus Strandberg setDataPosition(header_start + header_size); 1357d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // And fat response headers are currently only used when there are no 1358d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick // exceptions, so return no error: 1359d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick return 0; 1360d36f4a5f130be7f7b29a8b63cedbc8edfa56db96Brad Fitzpatrick } 1361837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick return exception_code; 1362837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 13635f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1364a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 13655f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 13665f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 13675f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 13685f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 13695f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 13705f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 13715f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 13725f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1373a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 1374eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski if (!h) { 1375eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski return 0; 1376eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski } 1377eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski 13785f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1379360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 13805f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 13815f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 13825f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 13835f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1384a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1385a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 13865f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 13875f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 13885f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 13895f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 13905f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 13915f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 13927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 13937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 13947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 13957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 13967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 13977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: 1398d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Returning file descriptor %ld from parcel %p", flat->handle, this); 13997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flat->handle; 1400d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn } 14017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 14027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 14037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 14055707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 14065707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 140713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown int32_t blobType; 140813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = readInt32(&blobType); 14095707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 14105707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 141113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (blobType == BLOB_INPLACE) { 14126807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 14135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 14145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 14155707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 141613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, const_cast<void*>(ptr), len, false); 14175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 14185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 14195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 14206807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 142113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown bool isMutable = (blobType == BLOB_ASHMEM_MUTABLE); 14225707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 14235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 14245707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 142513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown void* ptr = ::mmap(NULL, len, isMutable ? PROT_READ | PROT_WRITE : PROT_READ, 142613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown MAP_SHARED, fd, 0); 14279ea09757fa63ad2a9bea9c846b51c1210d69c79fNarayan Kamath if (ptr == MAP_FAILED) return NO_MEMORY; 14285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 142913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, isMutable); 14305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 14315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 14325707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1433e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(FlattenableHelperInterface& val) const 143498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 143598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 143698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 143798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 143898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1439b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1440b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1441b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1442b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1443b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1444b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 144598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1446b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void const* const buf = this->readInplace(pad_size(len)); 144798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 144898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 144998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 145098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 145198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 145298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 145398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 145498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 145598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 145698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 1457fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall fds[i] = dup(this->readFileDescriptor()); 1458abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang if (fds[i] < 0) { 1459abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang err = BAD_VALUE; 1460fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall ALOGE("dup() failed in Parcel::read, i is %zu, fds[i] is %d, fd_count is %zu, error: %s", 1461fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall i, fds[i], fd_count, strerror(errno)); 1462abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang } 146398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 146498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 146598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 146698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 146798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 146898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 146998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 147098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 147198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 147298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 147398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 147498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 14757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 14767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 14777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 14787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 14797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 14807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 14817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 148284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!nullMetaData && (obj->cookie == 0 && obj->binder == 0)) { 14835f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 14847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 14857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 1486d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 14877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 14887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1489d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 14907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 149184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const OBJS = mObjects; 14927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 14937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 1494d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 14957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 1496d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p looking for obj at %zu, hint=%zu", 14977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 1498d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 14997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 15007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 15017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 15027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 15037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 15047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 15067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 15077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 15097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1510d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with forward search", 15117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 15127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1513d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 15147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 15157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1516d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 15177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 15187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 15197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 15207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 15227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1523d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with backward search", 15247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 15257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1526d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 15277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 15287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15306f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGW("Attempt to read object from Parcel %p at offset %zu that is not in the object list", 15317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 15327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 15347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 15377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 15397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 1540d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing file descriptors for %zu objects...", i); 15417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 15437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 15447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 15457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 15467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 1547d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing fd: %ld", flat->handle); 15487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 15497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 15517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 155384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcData() const 15547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 155584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mData); 15567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 15597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 15617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 156384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcObjects() const 15647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 156584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mObjects); 15667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 15697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 15717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 157484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 15757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 15766f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t minOffset = 0; 15777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 15787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 15797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 15807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 1581d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)", this, mDataSize, getpid()); 15827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 1583d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataReference Setting data pos of %p to %zu", this, mDataPos); 158484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg mObjects = const_cast<binder_size_t*>(objects); 15857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 15867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 15877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 15887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 1589f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg for (size_t i = 0; i < mObjectsSize; i++) { 15906f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t offset = mObjects[i]; 1591f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg if (offset < minOffset) { 15923bdc5b826803dca10d3625c56de38d6c55d869c8Dan Albert ALOGE("%s: bad object offset %" PRIu64 " < %" PRIu64 "\n", 15936f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg __func__, (uint64_t)offset, (uint64_t)minOffset); 1594f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg mObjectsSize = 0; 1595f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg break; 1596f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 1597f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg minOffset = offset + sizeof(flat_binder_object); 1598f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 15997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 16007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16026f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::print(TextOutput& to, uint32_t /*flags*/) const 16037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 1605d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 16067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 16077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 16086f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross to << "Error: " << (void*)(intptr_t)err << " \"" << strerror(-err) << "\""; 16097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 16107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 16117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 161284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* OBJS = objects(); 16137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 16147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 16157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 16167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 16177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 16187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 16197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 16207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 16227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 16237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1624d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 16257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 16267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 16297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 16317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 16327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 163384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 16347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 16357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 16367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 16377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 1638cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 16397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 16437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 16457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 16467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 164784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 16487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 16497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 16507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 16517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 1652cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 16537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 16577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 16597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 16607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 16637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 16657e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing other owner data", this); 1666d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 16677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 16687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 16697e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing allocated data", this); 16707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 16717e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn if (mData) { 16727e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing with %zu capacity", this, mDataCapacity); 1673a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 16747e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 16757e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount--; 1676a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 16777e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn free(mData); 16787e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn } 16797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 16807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 16847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1685b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1686b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1687b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1688b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1689b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1690b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 16917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 16927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 16937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 16947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 16957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 16987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1699b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 1700b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1701b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1702b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1703b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1704b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 17057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 17067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 17077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 17087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1709d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 17117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 17127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 17137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 17147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1715d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 1717d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 17197e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: restart from %zu to %zu capacity", this, mDataCapacity, desired); 1720a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 17217e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 17227e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 1723a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 17247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 17257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 17267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1727d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 1729d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data size of %p to %zu", this, mDataSize); 1730d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data pos of %p to %zu", this, mDataPos); 1731d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 17337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 17347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 17357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 17367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 17377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 17388938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 1739d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 17417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 17447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1745b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 1746b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1747b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1748b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1749b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1750b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 17517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 17527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 17537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 17547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 17557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 17567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 17577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 17587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 17597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 17607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 17617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 17627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1765d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 17677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 17687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 17697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 17707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 17717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 17747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 17757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 17767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 17777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 17787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 17797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 178084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = NULL; 1781d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 1783e9881a3961888c4264034473021f42f9f0305026Nick Kralevich objects = (binder_size_t*)calloc(objectsSize, sizeof(binder_size_t)); 17847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 17853f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim free(data); 17863f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 17877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 17887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 17897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 17927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 17937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 17947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 17957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 17967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 17977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1798d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 17997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 18007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 18017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 180384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg memcpy(objects, mObjects, objectsSize*sizeof(binder_size_t)); 18047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1805d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 18067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 18077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 18087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18097e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: taking ownership of %zu capacity", this, desired); 1810a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 18117e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 18127e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 1813a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 18147e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 18157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 18167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 18177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 1818d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 18197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 18207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 18217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 18227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 18247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 18257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 18267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 18277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 18287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 18297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 18307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 18317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 18327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 18337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1834cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 18357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 183684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = 183784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t)); 18387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 18397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 18407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 18427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 18437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 18467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 18477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 18487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 18497e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: continue from %zu to %zu capacity", this, mDataCapacity, 18507e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn desired); 1851a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 18527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 18537e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 1854a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 18557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 18567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 18577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 18587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 18597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 18607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 186297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 186397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 1864d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 186597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 18667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 18677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 1868d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 18697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1871d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 18727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 18737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 18747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 18757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 18767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 18777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 18787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18793f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 18807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 18817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 18826f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("continueWrite: %zu/%p/%zu/%zu", mDataCapacity, mObjects, mObjectsCapacity, desired); 18837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1884d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 18857e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: allocating with %zu capacity", this, desired); 1886a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 18877e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 18887e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 1889a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 18907e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 18917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 18927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 1893d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 1894d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 18957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 18967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 18977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 18987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 18997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 19027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19037e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: initState", this); 19047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 19057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 19067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 19077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 19087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 1909d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data size of %p to %zu", this, mDataSize); 1910d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data pos of %p to %zu", this, mDataPos); 19117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 19127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 19137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 19147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 19157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 19167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 19178938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 19187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 1919cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos mOpenAshmemSize = 0; 19207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 19237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 19257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 19267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 19277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 19287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 19297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 19307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 19317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 19347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 19357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1937aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandlersize_t Parcel::getBlobAshmemSize() const 1938aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler{ 19396bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // This used to return the size of all blobs that were written to ashmem, now we're returning 19406bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // the ashmem currently referenced by this Parcel, which should be equivalent. 19416bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // TODO: Remove method once ABI can be changed. 19426bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos return mOpenAshmemSize; 1943aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 1944aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 1945cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roossize_t Parcel::getOpenAshmemSize() const 1946cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos{ 1947cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos return mOpenAshmemSize; 1948cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos} 1949cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos 19505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 19515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 19525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 195313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd(-1), mData(NULL), mSize(0), mMutable(false) { 19545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 19555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 19565707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 19575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 19585707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 19595707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 19605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 196113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (mFd != -1 && mData) { 19625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 19635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 19645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 19655707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 19665707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 196713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownvoid Parcel::Blob::init(int fd, void* data, size_t size, bool isMutable) { 196813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = fd; 19695707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 19705707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 197113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = isMutable; 19725707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 19735707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 19745707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 197513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = -1; 19765707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 19775707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 197813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = false; 19795707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 19805707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 19817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 1982