Parcel.cpp revision b454d8ffa928e33dd54c979a747994acbd117397
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 20abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <errno.h> 21abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <inttypes.h> 22abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <stdint.h> 23abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <stdio.h> 24abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <stdlib.h> 25abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <sys/mman.h> 267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 27c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 28c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 29abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <binder/IPCThreadState.h> 30abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <binder/Parcel.h> 31c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/ProcessState.h> 3209eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley#include <binder/Status.h> 33002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <binder/TextOutput.h> 34002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian 35abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <cutils/ashmem.h> 36002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <utils/Debug.h> 37abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <utils/Flattenable.h> 387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 39abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <utils/misc.h> 407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 43208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 447e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#include <private/binder/Static.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(...) 51e93390b0bd336cd1b69abebf6eeffd18881f531bMark Salyzyn//#define LOG_REFS(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__) 527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#define LOG_ALLOC(...) 53e93390b0bd336cd1b69abebf6eeffd18881f531bMark Salyzyn//#define LOG_ALLOC(...) ALOG(LOG_DEBUG, LOG_TAG, __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 727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 82a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic pthread_mutex_t gParcelGlobalAllocSizeLock = PTHREAD_MUTEX_INITIALIZER; 83a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocSize = 0; 84a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocCount = 0; 85a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn 8613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown// Maximum size of a blob to transfer in-place. 8713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatic const size_t BLOB_INPLACE_LIMIT = 16 * 1024; 8813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 8913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownenum { 9013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_INPLACE = 0, 9113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_IMMUTABLE = 1, 9213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_MUTABLE = 2, 9313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown}; 9413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 96cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 10284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->incStrong(who); 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 10784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 1087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 123cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos if (obj.cookie != 0) { 1246bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (outAshmemSize != NULL) { 1256bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // If we own an ashmem fd, keep track of how much memory it refers to. 1266bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos int size = ashmem_get_size_region(obj.handle); 1276bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (size > 0) { 1286bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos *outAshmemSize += size; 1296bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 130cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 131cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 1327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1366f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGD("Invalid object type 0x%08x", obj.type); 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1396bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid acquire_object(const sp<ProcessState>& proc, 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1426bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos acquire_object(proc, obj, who, NULL); 1436bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 1446bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 1456bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosstatic void release_object(const sp<ProcessState>& proc, 146cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 1477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 15284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->decStrong(who); 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 15784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 173b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn if (obj.cookie != 0) { // owned 174b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn if (outAshmemSize != NULL) { 1756bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos int size = ashmem_get_size_region(obj.handle); 1766bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (size > 0) { 1776bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos *outAshmemSize -= size; 1786bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 1796bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 180b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn 181b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn close(obj.handle); 182cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 1837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1876f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("Invalid object type 0x%08x", obj.type); 1887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1906bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid release_object(const sp<ProcessState>& proc, 1916bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos const flat_binder_object& obj, const void* who) 1926bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos{ 1936bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos release_object(proc, obj, who, NULL); 1946bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 1956bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 1967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 1976f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out) 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 2007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2026f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 2047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 206d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 213e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 21707fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 21984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 22284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(local->getWeakRefs()); 22384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(local); 2247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 22784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 22884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 230d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 2327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2346f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 2367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 238d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 2437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 247e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 25107fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 25384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 25684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(binder.get_refs()); 25784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(binder.unsafe_get()); 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 261d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 269e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 2707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 27184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 27284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 274d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 27784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 27884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2846f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross BpBinder* /*proxy*/, const flat_binder_object& /*flat*/, 2856f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const Parcel& /*in*/) 2867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 289d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 294d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 29884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 304d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn } 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 313d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 31784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 32084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (flat->binder != 0) { 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 32284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(flat->cookie), 32384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(flat->binder)); 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 3267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 3317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3427e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: constructing", this); 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 3497e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: destroyed", this); 3507e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3517e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocSize() { 353a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 354a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t size = gParcelGlobalAllocSize; 355a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 356a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return size; 3577e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3587e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3597e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocCount() { 360a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 361a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t count = gParcelGlobalAllocCount; 362a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 363a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return count; 3647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 3677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 3697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 3727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 3987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 399b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 400b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 401b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 402b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 403b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 404b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 409d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataSize Setting data size of %p to %zu", this, mDataSize); 4107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 416b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (pos > INT32_MAX) { 417b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 418b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 419b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 420b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 421b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 4277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 428b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 429b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 430b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 431b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 432b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 433b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 43497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 4357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 4397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 440b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 441b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 442b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 443b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 444b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 445b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 4477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 4497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 4507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 4517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 45551faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 4567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 4587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 45951faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 46084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t *objects = parcel->mObjects; 4617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 4627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 4637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 4647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 469b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 470b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 471b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 472b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 473b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 474b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 4777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 4787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 4797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 4807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 4837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 48527182be9f20f4f5b48316666429f09b9ecc1f22eChristopher Tate if ((off >= offset) && (off + sizeof(flat_binder_object) <= offset + len)) { 4867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 4877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 4887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 4907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 4937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 49497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 49597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 49697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 49797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 49897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 49997e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 5007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 5037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 5047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 5067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5078938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 5088938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 5097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 5117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 512ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate size_t newSize = ((mObjectsSize + numObjects)*3)/2; 513ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 51484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t *objects = 51584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 51684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (objects == (binder_size_t*)0) { 5177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 5217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 522d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 5237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 5247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 5257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5308af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 5317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 532cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 5337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 5358af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 5368af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 5378af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 5388af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 53984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg flat->cookie = 1; 5407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 5418938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 5428938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 5438938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 5447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5488938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 5498938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 5508938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 55113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownbool Parcel::allowFds() const 55213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 55313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return mAllowFds; 55413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 55513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 5567746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 5578938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 5588938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 5597746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 5607746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 5617746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 5628938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 5637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5657746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 5667746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 5677746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 5687746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 5697746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 5707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 5717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 5747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 5767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 578702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 581a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 582a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 58783c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 58883c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 589702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 59083c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 59183c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 592a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 59370081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 59570081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 59670081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 59770081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 598a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 5995273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 6005273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 6015273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 6025273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 6035273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 6045273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 6055273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 6065273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 6075273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 6085273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 60983c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 6107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 6117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 6127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 613d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGW("**** enforceInterface() expected '%s' but read '%s'", 6147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 6157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 6167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 617702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 6187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 61984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågconst binder_size_t* Parcel::objects() const 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 6227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 6257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 6277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 6307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 6327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 6357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 6377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 6407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 641b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 642b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 643b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 644b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 645b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 646b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 6487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 649d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data pos of %p to %zu", this, mDataPos); 6507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 6517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 652d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data size of %p to %zu", this, mDataSize); 6537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 6557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 6597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 660b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 661b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 662b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 663b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 664b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 665b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 6687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 6697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 6707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 6737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 6747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 6797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 6847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 685b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 686b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 687b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 688b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 689b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 690b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 6927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 6937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 6947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 6977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 7007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 701b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 702b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 703b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 704b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 705b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 706b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 707b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich const size_t padded = pad_size(len); 7087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 7107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 7117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 7157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 7167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 7227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 7247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 7277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 7297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 7327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 7337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 7347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 7377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 7387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 7417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 7427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 745b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeByteVector(const std::unique_ptr<std::vector<int8_t>>& val) 746b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 747b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!val) { 748b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(-1); 749b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 750b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 751b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeByteVector(*val); 752b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 753b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 7545f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeByteVector(const std::vector<int8_t>& val) 755451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 7565f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status_t status; 757451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (val.size() > std::numeric_limits<int32_t>::max()) { 7585f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 7595f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 760451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 761451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7625f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = writeInt32(val.size()); 763451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 764451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 765451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 766451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7675f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin void* data = writeInplace(val.size()); 7685f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin if (!data) { 7695f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 7705f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 771451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 772451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7735f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin memcpy(data, val.data(), val.size()); 7745f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 775451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 776451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7775f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt32Vector(const std::vector<int32_t>& val) 778451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 77903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt32); 7805f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 781451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 782b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeInt32Vector(const std::unique_ptr<std::vector<int32_t>>& val) 783b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 784b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeInt32); 785b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 786b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 7875f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt64Vector(const std::vector<int64_t>& val) 7885f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 78903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt64); 7905f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 791451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 792b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeInt64Vector(const std::unique_ptr<std::vector<int64_t>>& val) 793b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 794b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeInt64); 795b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 796b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 7975f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeFloatVector(const std::vector<float>& val) 7985f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 79903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeFloat); 8005f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 801451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 802b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeFloatVector(const std::unique_ptr<std::vector<float>>& val) 803b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 804b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeFloat); 805b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 806b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8075f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeDoubleVector(const std::vector<double>& val) 8085f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 80903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeDouble); 810451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 811451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 812b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeDoubleVector(const std::unique_ptr<std::vector<double>>& val) 813b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 814b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeDouble); 815b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 816b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 817451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeBoolVector(const std::vector<bool>& val) 818451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 81903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeBool); 820451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 821451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 822b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeBoolVector(const std::unique_ptr<std::vector<bool>>& val) 823b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 824b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeBool); 825b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 826b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 827451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeCharVector(const std::vector<char16_t>& val) 828451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 82903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeChar); 830451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 831451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 832b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeCharVector(const std::unique_ptr<std::vector<char16_t>>& val) 833b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 834b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeChar); 835b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 836b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 837451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeString16Vector(const std::vector<String16>& val) 838451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 83903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeString16); 840451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 841451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 842b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeString16Vector( 843b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const std::unique_ptr<std::vector<std::unique_ptr<String16>>>& val) 844b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 845b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeString16); 846b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 847b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 8497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 85084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 8517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 85241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 85341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::writeUint32(uint32_t val) 85441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 85541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return writeAligned(val); 85641a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 85741a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 8585c0106e134366312206702f1b072347e20c90374Marco Nelissenstatus_t Parcel::writeInt32Array(size_t len, const int32_t *val) { 859b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 860b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 861b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 862b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 863b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 864b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 8655c0106e134366312206702f1b072347e20c90374Marco Nelissen if (!val) { 866e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 8675c0106e134366312206702f1b072347e20c90374Marco Nelissen } 868e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 8695c0106e134366312206702f1b072347e20c90374Marco Nelissen if (ret == NO_ERROR) { 8705c0106e134366312206702f1b072347e20c90374Marco Nelissen ret = write(val, len * sizeof(*val)); 8715c0106e134366312206702f1b072347e20c90374Marco Nelissen } 8725c0106e134366312206702f1b072347e20c90374Marco Nelissen return ret; 8735c0106e134366312206702f1b072347e20c90374Marco Nelissen} 874f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissenstatus_t Parcel::writeByteArray(size_t len, const uint8_t *val) { 875b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 876b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 877b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 878b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 879b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 880b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 881f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (!val) { 882e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 883f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 884e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 885f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (ret == NO_ERROR) { 886f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen ret = write(val, len * sizeof(*val)); 887f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 888f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen return ret; 889f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen} 8907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 891d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeBool(bool val) 892d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 893d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 894d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 895d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 896d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeChar(char16_t val) 897d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 898d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 899d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 900d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 901d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeByte(int8_t val) 902d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 903d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 904d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 905d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 9067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 9077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 90884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 9097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9112d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::writeUint64(uint64_t val) 9122d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 9132d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return writeAligned(val); 9142d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 9152d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 916f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::writePointer(uintptr_t val) 917f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 91884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return writeAligned<binder_uintptr_t>(val); 919f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 920f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 9217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 9227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 92384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 9247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 926cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 927cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 928cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::writeDouble(double val) 929cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 930cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 931cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 932cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 933cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 934cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.d = val; 935cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return writeAligned(u.ll); 936cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 937cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 938cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 939cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 9407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 9417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 94284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 94384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 9447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 945cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 946cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 9477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 9487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 9507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 9537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 955d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 956d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 957d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 958d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 9597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 9607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 9627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 964b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeString16(const std::unique_ptr<String16>& str) 965b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 966b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!str) { 967b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(-1); 968b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 969b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 970b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeString16(*str); 971b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 972b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 9737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 9747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 9767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 9797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 981d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 9827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 9837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 9847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 9857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 9867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 9877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 9887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 9897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 9927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 9947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 9977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 9997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1001eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::writeStrongBinderVector(const std::vector<sp<IBinder>>& val) 1002eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin{ 100303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeStrongBinder); 1004eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 1005eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 1006b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeStrongBinderVector(const std::unique_ptr<std::vector<sp<IBinder>>>& val) 1007b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 1008b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeStrongBinder); 1009b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1010b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1011b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readStrongBinderVector(std::unique_ptr<std::vector<sp<IBinder>>>* val) const { 1012b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readStrongBinder); 1013b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1014b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1015eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::readStrongBinderVector(std::vector<sp<IBinder>>* val) const { 101603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readStrongBinder); 1017eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 1018eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 10197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 10207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 10227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1024b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeRawNullableParcelable(const Parcelable* parcelable) { 1025b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!parcelable) { 1026b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(0); 1027b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1028b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1029b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeParcelable(*parcelable); 1030b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1031b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 103297f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wileystatus_t Parcel::writeParcelable(const Parcelable& parcelable) { 103397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley status_t status = writeInt32(1); // parcelable is not null. 103497f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (status != OK) { 103597f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return status; 103697f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 103797f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return parcelable.writeToParcel(this); 103897f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley} 103997f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley 1040a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 10415f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 10421d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 10435f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 10445f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 10455f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 1046a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 10475f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 1048edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1049a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 10505f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 1051edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1052a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 1053a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 1054edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1055edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 10569d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 1057edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 1058edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1059a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 10605f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 10615f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 10625f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 106393ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 10647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 10667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 10677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 106807fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 10697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 107084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = takeOwnership ? 1 : 0; 10717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 10727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1076d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 1077d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 1078d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 1079d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 1080d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 108106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (err != OK) { 1082d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 1083d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 1084d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 10857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 108706673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptor(const ScopedFd& fd) { 108806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return writeDupFileDescriptor(fd.get()); 108906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 109006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 109106673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptorVector(const std::vector<ScopedFd>& val) { 109206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return writeTypedVector(val, &Parcel::writeUniqueFileDescriptor); 109306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 109406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 1095b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptorVector(const std::unique_ptr<std::vector<ScopedFd>>& val) { 1096b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeUniqueFileDescriptor); 1097b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1098b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 109913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeBlob(size_t len, bool mutableCopy, WritableBlob* outBlob) 11005707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 1101b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1102b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1103b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1104b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1105b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1106b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 110713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status; 110813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds || len <= BLOB_INPLACE_LIMIT) { 11096807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 111013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(BLOB_INPLACE); 11115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 11125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 11145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 11155707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 111613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, ptr, len, false); 11175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11206807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 11215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 11225707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 11235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11245707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 11255707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1126ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 11275707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 11285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 11295707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 11305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 11315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 113213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mutableCopy) { 113313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 113413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown } 11355707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1136ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 11375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 113813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(mutableCopy ? BLOB_ASHMEM_MUTABLE : BLOB_ASHMEM_IMMUTABLE); 11395707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 114093ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 11415707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 114213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, mutableCopy); 11435707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11475707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 11495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 11515707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 11525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 11535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 115413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeDupImmutableBlobFileDescriptor(int fd) 115513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 115613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // Must match up with what's done in writeBlob. 115713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds) return FDS_NOT_ALLOWED; 115813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = writeInt32(BLOB_ASHMEM_IMMUTABLE); 115913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (status) return status; 116013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return writeDupFileDescriptor(fd); 116113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 116213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 1163e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const FlattenableHelperInterface& val) 116498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 116598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 116698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 116798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 1168e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t len = val.getFlattenedSize(); 1169e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t fd_count = val.getFdCount(); 117098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1171b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((len > INT32_MAX) || (fd_count > INT32_MAX)) { 1172b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1173b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1174b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1175b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1176b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 117798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 117898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 117998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 118098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 118198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 118298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 118398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1184b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void* const buf = this->writeInplace(pad_size(len)); 118598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 118698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 118798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 118898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 118998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 119098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 119198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 119298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 119398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 119498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 119598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 119698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 119798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 119898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 119998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 120098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 120198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 120298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 120398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 120498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 12057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 12067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 12087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 12097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 12107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 12117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 1212d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 12137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 12147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 12158938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 121698e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // fail before modifying our object index 12178938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 12188938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 12197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 12207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 122298e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // Need to write meta-data? 122398e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate if (nullMetaData || val.binder != 0) { 122498e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjects[mObjectsSize] = mDataPos; 1225cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(ProcessState::self(), val, this, &mOpenAshmemSize); 122698e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjectsSize++; 122798e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate } 122898e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate 12297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 12307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 12337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 12347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 12357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 12377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 1238ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 123984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 12407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 12417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 12427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 12437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1244d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 12457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 12467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1248837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 1249837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 125009eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 125109eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.writeToParcel(this); 1252837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 1253837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 12546f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::remove(size_t /*start*/, size_t /*amt*/) 12557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 12577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 12607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1261b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1262b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1263b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1264b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1265b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1266b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1267b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1268b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 12697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 1270b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1271d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("read Setting data pos of %p to %zu", this, mDataPos); 12727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 12737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 12757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 12787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1279b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1280b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1281b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1282b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 1283b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1284b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1285b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1286b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 1288b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1289d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readInplace Setting data pos of %p to %zu", this, mDataPos); 12907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 12917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 12937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 129584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 129684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 1297b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 129884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 129984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 13007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 130184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 130284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 13037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 13067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 130984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 131084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 131184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 131284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 131384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 131484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 131584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 131684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 131784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 131884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 131984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 132084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 1321b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 132284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 132384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 132484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 132584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 132684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 132784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 132884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 132984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 133084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 133184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 133284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 133384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1334451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readByteVector(std::vector<int8_t>* val) const { 1335451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->clear(); 1336451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1337451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1338451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1339451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1340451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1341451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1342451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1343451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 13444db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size < 0) { 13454db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley status = UNEXPECTED_NULL; 13464db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return status; 13474db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley } 13484db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size_t(size) > dataAvail()) { 1349f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1350f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1351451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 13524db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley 1353f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley const void* data = readInplace(size); 1354f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley if (!data) { 1355f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1356f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1357451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1358f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley val->resize(size); 1359f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley memcpy(val->data(), data, size); 1360451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1361f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1362451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1363451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1364b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readByteVector(std::unique_ptr<std::vector<int8_t>>* val) const { 1365b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1366b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1367b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1368b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1369b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1370b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1371b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1372b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1373b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1374b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1375b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(new std::vector<int8_t>()); 1376b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1377b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readByteVector(val->get()); 1378b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1379b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1380b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1381b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1382b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1383b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1384b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1385b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1386b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readInt32Vector(std::unique_ptr<std::vector<int32_t>>* val) const { 1387b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readInt32); 1388b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1389b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1390451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt32Vector(std::vector<int32_t>* val) const { 139103d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt32); 1392451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1393451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1394b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readInt64Vector(std::unique_ptr<std::vector<int64_t>>* val) const { 1395b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readInt64); 1396b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1397b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1398451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt64Vector(std::vector<int64_t>* val) const { 139903d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt64); 1400451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1401451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1402b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readFloatVector(std::unique_ptr<std::vector<float>>* val) const { 1403b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readFloat); 1404b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1405b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1406451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readFloatVector(std::vector<float>* val) const { 140703d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readFloat); 1408451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1409451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1410b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readDoubleVector(std::unique_ptr<std::vector<double>>* val) const { 1411b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readDouble); 1412b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1413b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1414451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readDoubleVector(std::vector<double>* val) const { 141503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readDouble); 1416451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1417451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1418b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readBoolVector(std::unique_ptr<std::vector<bool>>* val) const { 1419b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1420b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1421b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1422b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1423b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1424b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1425b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1426b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1427b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1428b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1429b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(new std::vector<bool>()); 1430b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1431b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readBoolVector(val->get()); 1432b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1433b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1434b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1435b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1436b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1437b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1438b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1439451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1440b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readBoolVector(std::vector<bool>* val) const { 1441451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1442451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1443451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1444451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1445451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1446451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1447451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1448451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (size < 0) { 14494db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1450451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1451451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1452451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->resize(size); 1453451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1454451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin /* C++ bool handling means a vector of bools isn't necessarily addressable 1455451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin * (we might use individual bits) 1456451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin */ 145797887989495318803643c91b196b6bcabf2a7a03Christopher Wiley bool data; 145897887989495318803643c91b196b6bcabf2a7a03Christopher Wiley for (int32_t i = 0; i < size; ++i) { 1459451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status = readBool(&data); 1460451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin (*val)[i] = data; 1461451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1462451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1463451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1464451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1465451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1466451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1467451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return OK; 1468451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1469451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1470b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readCharVector(std::unique_ptr<std::vector<char16_t>>* val) const { 1471b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readChar); 1472b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1473b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1474451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readCharVector(std::vector<char16_t>* val) const { 147503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readChar); 1476451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1477451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1478b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readString16Vector( 1479b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin std::unique_ptr<std::vector<std::unique_ptr<String16>>>* val) const { 1480b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readString16); 1481b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1482b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1483451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16Vector(std::vector<String16>* val) const { 148403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readString16); 1485451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1486451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1487451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 148884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 148984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 149084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 149184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 149284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 14937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 14947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 149584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 14967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 14977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 149841a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::readUint32(uint32_t *pArg) const 149941a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 150041a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned(pArg); 150141a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 150241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 150341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozauint32_t Parcel::readUint32() const 150441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 150541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned<uint32_t>(); 150641a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 15077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 15097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 151084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 15117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 15157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 151684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 15177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15192d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::readUint64(uint64_t *pArg) const 15202d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 15212d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned(pArg); 15222d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 15232d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 15242d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wuuint64_t Parcel::readUint64() const 15252d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 15262d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned<uint64_t>(); 15272d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 15282d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 1529f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::readPointer(uintptr_t *pArg) const 1530f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 153184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg status_t ret; 153284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_uintptr_t ptr; 153384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg ret = readAligned(&ptr); 153484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!ret) 153584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *pArg = ptr; 153684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return ret; 1537f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1538f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1539f683e0163a84d93448b9388126902242367cd961Serban Constantinescuuintptr_t Parcel::readPointer() const 1540f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 154184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return readAligned<binder_uintptr_t>(); 1542f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1543f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1544f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 15457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 15467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 154784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 15487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 15527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 155384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 15547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1556cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 1557cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 15587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 15597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1560cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1561cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1562cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1563cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 15642c68d380c9ef765a7d46e5a4735f39e6c27849f2Narayan Kamath u.d = 0; 1565cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status_t status; 1566cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status = readAligned(&u.ll); 1567cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung *pArg = u.d; 1568cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return status; 15697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1571cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungdouble Parcel::readDouble() const 1572cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1573cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1574cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1575cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1576cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1577cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.ll = readAligned<unsigned long long>(); 1578cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return u.d; 1579cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1580cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1581cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1582cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1583cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::readDouble(double *pArg) const 1584cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1585cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return readAligned(pArg); 1586cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 15877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 15897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 159084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 159184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 159284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1593cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1594cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 159584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 159684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 159784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 159884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 159984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 160084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 160184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 160284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 160384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 16047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1606d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readBool(bool *pArg) const 1607d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1608d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1609d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1610d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = (tmp != 0); 1611d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1612d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1613d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1614d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinbool Parcel::readBool() const 1615d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1616d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return readInt32() != 0; 1617d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1618d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1619d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readChar(char16_t *pArg) const 1620d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1621d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1622d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1623d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = char16_t(tmp); 1624d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1625d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1626d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1627d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinchar16_t Parcel::readChar() const 1628d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1629d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return char16_t(readInt32()); 1630d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1631d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1632d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readByte(int8_t *pArg) const 1633d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1634d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1635d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1636d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = int8_t(tmp); 1637d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1638d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1639d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1640d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinint8_t Parcel::readByte() const 1641d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1642d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return int8_t(readInt32()); 1643d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 16447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 16467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 16487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 16497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 16507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 16517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 16527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 16537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 1654b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len+1); 1655d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readCString Setting data pos of %p to %zu", this, mDataPos); 16567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 16577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 16607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 16637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 16657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 16667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 16677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 16687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 16697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 16717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 16747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 16767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 16777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1678e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 16797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 16807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1682b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readString16(std::unique_ptr<String16>* pArg) const 1683b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 1684b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1685b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1686b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1687b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(); 1688b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1689b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1690b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1691b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1692b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1693b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1694b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(new String16()); 1695b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1696b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readString16(pArg->get()); 1697b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1698b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1699b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(); 1700b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1701b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1702b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1703b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1704b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1705451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16(String16* pArg) const 1706451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 1707451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin size_t len; 1708451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin const char16_t* str = readString16Inplace(&len); 1709451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (str) { 17101515ea103e00f6672afad4d27f2e0dec5648d7b6Casey Dahlin pArg->setTo(str, len); 1711451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return 0; 1712451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } else { 1713451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin *pArg = String16(); 17144db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1715451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1716451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1717451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 17187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 17197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 17217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 17227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 17237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 17247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 17257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 17267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 17277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 17307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 17317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1733f0c13772d95486d98f034361883b2415bb26a614Casey Dahlinstatus_t Parcel::readStrongBinder(sp<IBinder>* val) const 1734f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin{ 1735f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin return unflatten_binder(ProcessState::self(), *this, val); 1736f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin} 1737f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 17387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 17397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 1741f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin readStrongBinder(&val); 17427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 17437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 17467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 17487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 17497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 17507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 175297f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wileystatus_t Parcel::readParcelable(Parcelable* parcelable) const { 175397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley int32_t have_parcelable = 0; 175497f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley status_t status = readInt32(&have_parcelable); 175597f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (status != OK) { 175697f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return status; 175797f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 175897f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (!have_parcelable) { 175997f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return UNEXPECTED_NULL; 176097f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 176197f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return parcelable->readFromParcel(this); 176297f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley} 176397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley 1764837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1765837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 176609eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 176709eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley status.readFromParcel(*this); 176809eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.exceptionCode(); 1769837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 17705f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1771a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 17725f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 17735f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 17745f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 17755f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 17765f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 17775f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 17785f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 17795f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1780a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 1781eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski if (!h) { 1782eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski return 0; 1783eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski } 1784eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski 17855f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1786360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 17875f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 17885f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 17895f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 17905f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1791a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1792a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 17935f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 17945f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 17955f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 17965f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 17975f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 17985f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 17997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 18007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 180206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 180306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (flat && flat->type == BINDER_TYPE_FD) { 180406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return flat->handle; 18057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 180606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 18077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 18087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 181006673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::readUniqueFileDescriptor(ScopedFd* val) const 181106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin{ 181206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin int got = readFileDescriptor(); 181306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 181406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (got == BAD_TYPE) { 181506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return BAD_TYPE; 181606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin } 181706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 181806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin val->reset(dup(got)); 181906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 182006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (val->get() < 0) { 182106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return BAD_VALUE; 182206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin } 182306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 182406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return OK; 182506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 182606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 182706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 1828b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readUniqueFileDescriptorVector(std::unique_ptr<std::vector<ScopedFd>>* val) const { 1829b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readUniqueFileDescriptor); 1830b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1831b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 183206673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::readUniqueFileDescriptorVector(std::vector<ScopedFd>* val) const { 183306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return readTypedVector(val, &Parcel::readUniqueFileDescriptor); 183406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 183506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 18365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 18375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 183813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown int32_t blobType; 183913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = readInt32(&blobType); 18405707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 18415707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 184213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (blobType == BLOB_INPLACE) { 18436807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 18445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 18455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 18465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 184713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, const_cast<void*>(ptr), len, false); 18485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 18495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 18505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 18516807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 185213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown bool isMutable = (blobType == BLOB_ASHMEM_MUTABLE); 18535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 18545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 18555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 185613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown void* ptr = ::mmap(NULL, len, isMutable ? PROT_READ | PROT_WRITE : PROT_READ, 185713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown MAP_SHARED, fd, 0); 18589ea09757fa63ad2a9bea9c846b51c1210d69c79fNarayan Kamath if (ptr == MAP_FAILED) return NO_MEMORY; 18595707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 186013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, isMutable); 18615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 18625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 18635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1864e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(FlattenableHelperInterface& val) const 186598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 186698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 186798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 186898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 186998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1870b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1871b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1872b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1873b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1874b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1875b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 187698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1877b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void const* const buf = this->readInplace(pad_size(len)); 187898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 187998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 188098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 188198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 188298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 188398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 188498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 188598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 188698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 188798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 1888fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall fds[i] = dup(this->readFileDescriptor()); 1889abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang if (fds[i] < 0) { 1890abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang err = BAD_VALUE; 1891fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall ALOGE("dup() failed in Parcel::read, i is %zu, fds[i] is %d, fd_count is %zu, error: %s", 1892fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall i, fds[i], fd_count, strerror(errno)); 1893abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang } 189498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 189598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 189698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 189798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 189898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 189998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 190098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 190198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 190298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 190398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 190498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 190598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 19067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 19077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 19097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 19107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 19117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 19127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 191384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!nullMetaData && (obj->cookie == 0 && obj->binder == 0)) { 19145f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 19157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 19167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 1917d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 19187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 19197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1920d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 192284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const OBJS = mObjects; 19237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 19247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 1925d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 1927d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p looking for obj at %zu, hint=%zu", 19287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 1929d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 19317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 19327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 19337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 19347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 19357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 19377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 19387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 19407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1941d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with forward search", 19427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 19437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1944d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 19457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 19467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1947d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 19497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 19507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 19517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 19537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1954d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with backward search", 19557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 19567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1957d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 19587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 19597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19616f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGW("Attempt to read object from Parcel %p at offset %zu that is not in the object list", 19627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 19637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 19657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 19687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 19707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 1971d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing file descriptors for %zu objects...", i); 19727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 19747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 19757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 19767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 19777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 1978d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing fd: %ld", flat->handle); 19797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 19807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 198484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcData() const 19857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 198684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mData); 19877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 19907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 19927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 199484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcObjects() const 19957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 199684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mObjects); 19977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 20007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 20027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 200584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 20067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20076f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t minOffset = 0; 20087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 20097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 20107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 20117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 2012d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)", this, mDataSize, getpid()); 20137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 2014d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataReference Setting data pos of %p to %zu", this, mDataPos); 201584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg mObjects = const_cast<binder_size_t*>(objects); 20167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 20177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 20187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 20197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 2020f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg for (size_t i = 0; i < mObjectsSize; i++) { 20216f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t offset = mObjects[i]; 2022f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg if (offset < minOffset) { 20233bdc5b826803dca10d3625c56de38d6c55d869c8Dan Albert ALOGE("%s: bad object offset %" PRIu64 " < %" PRIu64 "\n", 20246f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg __func__, (uint64_t)offset, (uint64_t)minOffset); 2025f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg mObjectsSize = 0; 2026f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg break; 2027f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 2028f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg minOffset = offset + sizeof(flat_binder_object); 2029f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 20307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 20317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20336f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::print(TextOutput& to, uint32_t /*flags*/) const 20347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 2036d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 20387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 20396f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross to << "Error: " << (void*)(intptr_t)err << " \"" << strerror(-err) << "\""; 20407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 20417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 20427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 204384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* OBJS = objects(); 20447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 20457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 20467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 20487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 20497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 20507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 20517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 20537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 20547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2055d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 20577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 20607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 20627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 20637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 206484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 20657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 20667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 20677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 2069cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 20707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 20747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 20767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 20777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 207884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 20797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 20807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 20817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 2083cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 20847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 20887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 20907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 20917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 20947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 20967e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing other owner data", this); 2097d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 20987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 20997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 21007e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing allocated data", this); 21017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 21027e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn if (mData) { 21037e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing with %zu capacity", this, mDataCapacity); 2104a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 210548fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (mDataCapacity <= gParcelGlobalAllocSize) { 210648fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = gParcelGlobalAllocSize - mDataCapacity; 210748fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } else { 210848fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = 0; 210948fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 211048fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (gParcelGlobalAllocCount > 0) { 211148fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocCount--; 211248fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 2113a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 21147e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn free(mData); 21157e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn } 21167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 21177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 21187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 21217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2122b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 2123b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2124b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2125b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2126b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2127b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 21287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 21297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 21307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 21317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 21327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 21357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2136b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 2137b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2138b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2139b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2140b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2141b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 21427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 21437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 21447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 21457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2146d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 21487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 21497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 21507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 21517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2152d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 2154d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 21567e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: restart from %zu to %zu capacity", this, mDataCapacity, desired); 2157a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 21587e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 21597e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 216083ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross if (!mData) { 216183ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross gParcelGlobalAllocCount++; 216283ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross } 2163a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 21647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 21657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 21667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2167d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 2169d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data size of %p to %zu", this, mDataSize); 2170d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data pos of %p to %zu", this, mDataPos); 2171d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 21737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 21747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 21757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 21767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 21777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 21788938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 2179d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 21817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 21847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2185b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 2186b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2187b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2188b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2189b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2190b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 21917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 21927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 21937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 21947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 21957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 21967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 21977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 21987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 21997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 22007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 22017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 22027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2205d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 22077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 22087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 22097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 22107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 22117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 22147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 22157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 22167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 22177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 22187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 22197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 222084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = NULL; 2221d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 2223e9881a3961888c4264034473021f42f9f0305026Nick Kralevich objects = (binder_size_t*)calloc(objectsSize, sizeof(binder_size_t)); 22247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 22253f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim free(data); 22263f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 22277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 22287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 22297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 22327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 22337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 22347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 22357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 22367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 22377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2238d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 22407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 22417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 224384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg memcpy(objects, mObjects, objectsSize*sizeof(binder_size_t)); 22447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2245d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 22467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 22477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 22487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22497e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: taking ownership of %zu capacity", this, desired); 2250a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 22517e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 22527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2253a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 22547e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 22557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 22567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 22577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 2258d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 22597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 22607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 22617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 22627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 22647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 22657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 22667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 22677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 22687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 22697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 22707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 22717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 22727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 22737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2274cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 22757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 227684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = 227784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t)); 22787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 22797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 22807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 22827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 22837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 22867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 22877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 22887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 22897e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: continue from %zu to %zu capacity", this, mDataCapacity, 22907e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn desired); 2291a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 22927e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 22937e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 2294a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 22957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 22967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 22977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 22987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 22997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 23007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 230297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 230397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 2304d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 230597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 23067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 23077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 2308d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 23097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2311d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 23137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 23147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 23157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 23167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 23177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 23187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23193f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 23207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 23217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 23226f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("continueWrite: %zu/%p/%zu/%zu", mDataCapacity, mObjects, mObjectsCapacity, desired); 23237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2324d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23257e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: allocating with %zu capacity", this, desired); 2326a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 23277e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 23287e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2329a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 23307e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 23317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 23327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 2333d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 2334d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 23357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 23367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 23397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 23427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 23437e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: initState", this); 23447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 23457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 23467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 23477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 23487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 2349d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data size of %p to %zu", this, mDataSize); 2350d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data pos of %p to %zu", this, mDataPos); 23517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 23527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 23537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 23547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 23557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 23567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 23578938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 23587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 2359cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos mOpenAshmemSize = 0; 23607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 23637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 23647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 23657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 23667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 23677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 23687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 23697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 23707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 23717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 23747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 23757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2377aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandlersize_t Parcel::getBlobAshmemSize() const 2378aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler{ 23796bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // This used to return the size of all blobs that were written to ashmem, now we're returning 23806bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // the ashmem currently referenced by this Parcel, which should be equivalent. 23816bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // TODO: Remove method once ABI can be changed. 23826bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos return mOpenAshmemSize; 2383aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 2384aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 2385cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roossize_t Parcel::getOpenAshmemSize() const 2386cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos{ 2387cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos return mOpenAshmemSize; 2388aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 2389aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 23905707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 23915707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 23925707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 239313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd(-1), mData(NULL), mSize(0), mMutable(false) { 23945707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 23955707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 23965707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 23975707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 23985707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 23995707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24005707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 240113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (mFd != -1 && mData) { 24025707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 24035707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 24045707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 24055707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24065707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 240713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownvoid Parcel::Blob::init(int fd, void* data, size_t size, bool isMutable) { 240813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = fd; 24095707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 24105707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 241113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = isMutable; 24125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 241513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = -1; 24165707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 24175707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 241813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = false; 24195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 2422