Parcel.cpp revision eab2afc7ac5183750a23693ecee89dad7f7abf5f
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> 26eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn#include <sys/stat.h> 27eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn#include <sys/types.h> 28eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn#include <unistd.h> 297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 30c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/Binder.h> 31c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/BpBinder.h> 32abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <binder/IPCThreadState.h> 33abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <binder/Parcel.h> 34c5b2c0bf8007562536b822eb060fc54a01f8e08bMathias Agopian#include <binder/ProcessState.h> 3509eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley#include <binder/Status.h> 36002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <binder/TextOutput.h> 37002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian 38abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <cutils/ashmem.h> 39002e1e58dfe19dd3e49a59c6827cbf51573941a2Mathias Agopian#include <utils/Debug.h> 40abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <utils/Flattenable.h> 417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/Log.h> 42abed7f7aebdbdd20fdb37d0d6e79e50905c7f5d5Mark Salyzyn#include <utils/misc.h> 437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String8.h> 447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#include <utils/String16.h> 457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 46208059f67ed2dd9fa025e07fcb6954d3cb61c79eMathias Agopian#include <private/binder/binder_module.h> 477e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#include <private/binder/Static.h> 487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#ifndef INT32_MAX 507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define INT32_MAX ((int32_t)(2147483647)) 517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#define LOG_REFS(...) 54e93390b0bd336cd1b69abebf6eeffd18881f531bMark Salyzyn//#define LOG_REFS(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__) 557e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn#define LOG_ALLOC(...) 56e93390b0bd336cd1b69abebf6eeffd18881f531bMark Salyzyn//#define LOG_ALLOC(...) ALOG(LOG_DEBUG, LOG_TAG, __VA_ARGS__) 577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 60b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// This macro should never be used at runtime, as a too large value 61b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// of s could cause an integer overflow. Instead, you should always 62b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich// use the wrapper function pad_size() 63b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich#define PAD_SIZE_UNSAFE(s) (((s)+3)&~3) 64b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 65b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevichstatic size_t pad_size(size_t s) { 66b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (s > (SIZE_T_MAX - 3)) { 67b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 68b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 69b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return PAD_SIZE_UNSAFE(s); 70b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich} 717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 72a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick// Note: must be kept in sync with android/os/StrictMode.java's PENALTY_GATHER 730c1f5cbb8a41d19195ab49dcfeb5caaea2d3fcdaJeff Sharkey#define STRICT_MODE_PENALTY_GATHER (0x40 << 16) 74a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick 757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// XXX This can be made public if we want to provide 767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// support for typed data. 777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstruct small_flat_data 787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t type; 807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint32_t data; 817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; 827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectnamespace android { 847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 85a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic pthread_mutex_t gParcelGlobalAllocSizeLock = PTHREAD_MUTEX_INITIALIZER; 86a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocSize = 0; 87a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackbornstatic size_t gParcelGlobalAllocCount = 0; 88a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn 8913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown// Maximum size of a blob to transfer in-place. 9013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatic const size_t BLOB_INPLACE_LIMIT = 16 * 1024; 9113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 9213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownenum { 9313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_INPLACE = 0, 9413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_IMMUTABLE = 1, 9513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown BLOB_ASHMEM_MUTABLE = 2, 9613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown}; 9713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid acquire_object(const sp<ProcessState>& proc, 99cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 1007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on local %p", who, obj.cookie); 10584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->incStrong(who); 1067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 11084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->incWeak(who); 1117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p acquiring reference on remote %p", who, b.get()); 1167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->incStrong(who); 1177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->incWeak(who); 1237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 126eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn if ((obj.cookie != 0) && (outAshmemSize != NULL)) { 127eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn struct stat st; 128eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn int ret = fstat(obj.handle, &st); 129eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn if (!ret && S_ISCHR(st.st_mode)) { 1306bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // If we own an ashmem fd, keep track of how much memory it refers to. 1316bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos int size = ashmem_get_size_region(obj.handle); 1326bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos if (size > 0) { 1336bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos *outAshmemSize += size; 1346bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 135cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 136cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 1377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1416f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGD("Invalid object type 0x%08x", obj.type); 1427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1446bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid acquire_object(const sp<ProcessState>& proc, 1457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object& obj, const void* who) 1467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1476bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos acquire_object(proc, obj, who, NULL); 1486bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 1496bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 1506bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosstatic void release_object(const sp<ProcessState>& proc, 151cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos const flat_binder_object& obj, const void* who, size_t* outAshmemSize) 1527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (obj.type) { 1547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 1557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) { 1567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on local %p", who, obj.cookie); 15784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(obj.cookie)->decStrong(who); 1587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 1617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (obj.binder) 16284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(obj.binder)->decWeak(who); 1637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: { 1657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder> b = proc->getStrongProxyForHandle(obj.handle); 1667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) { 1677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_REFS("Parcel %p releasing reference on remote %p", who, b.get()); 1687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project b->decStrong(who); 1697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: { 1737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder> b = proc->getWeakProxyForHandle(obj.handle); 1747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (b != NULL) b.get_refs()->decWeak(who); 1757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_FD: { 178b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn if (obj.cookie != 0) { // owned 179b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn if (outAshmemSize != NULL) { 180eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn struct stat st; 181eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn int ret = fstat(obj.handle, &st); 182eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn if (!ret && S_ISCHR(st.st_mode)) { 183eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn int size = ashmem_get_size_region(obj.handle); 184eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn if (size > 0) { 185eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn *outAshmemSize -= size; 186eab2afc7ac5183750a23693ecee89dad7f7abf5fMark Salyzyn } 1876bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 1886bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos } 189b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn 190b454d8ffa928e33dd54c979a747994acbd117397Mark Salyzyn close(obj.handle); 191cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos } 1927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return; 1937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1966f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("Invalid object type 0x%08x", obj.type); 1977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 1987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1996bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roosvoid release_object(const sp<ProcessState>& proc, 2006bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos const flat_binder_object& obj, const void* who) 2016bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos{ 2026bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos release_object(proc, obj, who, NULL); 2036bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos} 2046bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos 2057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_flatten_binder( 2066f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const sp<IBinder>& /*binder*/, const flat_binder_object& flat, Parcel* out) 2077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return out->writeObject(flat, false); 2097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2116f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<IBinder>& binder, Parcel* out) 2137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 215d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = binder->localBinder(); 2197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = binder->remoteBinder(); 2217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 222e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_HANDLE; 22607fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 22884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 23184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(local->getWeakRefs()); 23284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(local); 2337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 23684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 23784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 239d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(binder, obj, out); 2417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2436f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossstatus_t flatten_binder(const sp<ProcessState>& /*proc*/, 2447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const wp<IBinder>& binder, Parcel* out) 2457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 247d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 2497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (binder != NULL) { 2507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> real = binder.promote(); 2517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (real != NULL) { 2527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project IBinder *local = real->localBinder(); 2537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!local) { 2547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project BpBinder *proxy = real->remoteBinder(); 2557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (proxy == NULL) { 256e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("null proxy"); 2577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const int32_t handle = proxy ? proxy->handle() : 0; 2597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_HANDLE; 26007fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 2617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = handle; 26284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_WEAK_BINDER; 26584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = reinterpret_cast<uintptr_t>(binder.get_refs()); 26684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = reinterpret_cast<uintptr_t>(binder.unsafe_get()); 2677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(real, obj, out); 2697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 270d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // XXX How to deal? In order to flatten the given binder, 2727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we need to probe it for information, which requires a primary 2737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reference... but we don't have one. 2747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // 2757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // The OpenBinder implementation uses a dynamic_cast<> here, 2767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // but we can't do that with the different reference counting 2777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // implementation we are using. 278e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Unable to unflatten Binder weak reference!"); 2797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 28084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 28184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 283d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 2857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_BINDER; 28684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.binder = 0; 28784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = 0; 2887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_flatten_binder(NULL, obj, out); 2897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 2917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectinline static status_t finish_unflatten_binder( 2936f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross BpBinder* /*proxy*/, const flat_binder_object& /*flat*/, 2946f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross const Parcel& /*in*/) 2957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 2977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 298d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 2997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 3007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, sp<IBinder>* out) 3017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 303d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 3047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 3057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 3067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 30784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 3087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getStrongProxyForHandle(flat->handle); 3117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->get()), *flat, in); 313d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn } 3147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t unflatten_binder(const sp<ProcessState>& proc, 3197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const Parcel& in, wp<IBinder>* out) 3207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = in.readObject(false); 322d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 3237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat) { 3247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project switch (flat->type) { 3257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_BINDER: 32684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *out = reinterpret_cast<IBinder*>(flat->cookie); 3277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_BINDER: 32984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (flat->binder != 0) { 3307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project out->set_object_and_refs( 33184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<IBinder*>(flat->cookie), 33284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg reinterpret_cast<RefBase::weakref_type*>(flat->binder)); 3337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 3347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = NULL; 3357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder(NULL, *flat, in); 3377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_HANDLE: 3387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project case BINDER_TYPE_WEAK_HANDLE: 3397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *out = proc->getWeakProxyForHandle(flat->handle); 3407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finish_unflatten_binder( 3417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static_cast<BpBinder*>(out->unsafe_get()), *flat, in); 3427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 3447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 3457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project// --------------------------------------------------------------------------- 3487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::Parcel() 3507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3517e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: constructing", this); 3527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 3537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectParcel::~Parcel() 3567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 3587e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: destroyed", this); 3597e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3607e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3617e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocSize() { 362a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 363a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t size = gParcelGlobalAllocSize; 364a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 365a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return size; 3667e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn} 3677e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 3687e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackbornsize_t Parcel::getGlobalAllocCount() { 369a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 370a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn size_t count = gParcelGlobalAllocCount; 371a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 372a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn return count; 3737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst uint8_t* Parcel::data() const 3767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mData; 3787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataSize() const 3817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 3837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataAvail() const 3867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // TODO: decide what to do about the possibility that this can 3887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // report an available-data size that exceeds a Java int's max 3897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // positive value, causing havoc. Fortunately this will only 3907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // happen if someone constructs a Parcel containing more than two 3917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // gigabytes of data, which on typical phone hardware is simply 3927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // not possible. 3937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return dataSize() - dataPosition(); 3947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 3957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 3967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataPosition() const 3977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 3987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataPos; 3997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::dataCapacity() const 4027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mDataCapacity; 4047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataSize(size_t size) 4077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 408b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 409b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 410b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 411b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 412b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 413b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 4157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = continueWrite(size); 4167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = size; 418d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataSize Setting data size of %p to %zu", this, mDataSize); 4197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setDataPosition(size_t pos) const 4247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 425b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (pos > INT32_MAX) { 426b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 427b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 428b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich abort(); 429b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 430b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = pos; 4327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 4337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setDataCapacity(size_t size) 4367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 437b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (size > INT32_MAX) { 438b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 439b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 440b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 441b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 442b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 44397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (size > mDataCapacity) return continueWrite(size); 4447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::setData(const uint8_t* buffer, size_t len) 4487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 449b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 450b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 451b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 452b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 453b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 454b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = restartWrite(len); 4567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 4577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(const_cast<uint8_t*>(data()), buffer, len); 4587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = len; 4597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 4607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 4627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 4637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 46451faf46e2958c57dab46d9420e585319125c7c42Andreas Huberstatus_t Parcel::appendFrom(const Parcel *parcel, size_t offset, size_t len) 4657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 4667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 4677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err; 46851faf46e2958c57dab46d9420e585319125c7c42Andreas Huber const uint8_t *data = parcel->mData; 46984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t *objects = parcel->mObjects; 4707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t size = parcel->mObjectsSize; 4717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int startPos = mDataPos; 4727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int firstIndex = -1, lastIndex = -2; 4737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (len == 0) { 4757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 4767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 478b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 479b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 480b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 481b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 482b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 483b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 4847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // range checks against the source parcel size 4857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((offset > parcel->mDataSize) 4867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (len > parcel->mDataSize) 4877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project || (offset + len > parcel->mDataSize)) { 4887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 4897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 4917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Count objects in range 4927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = 0; i < (int) size; i++) { 4937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i]; 49427182be9f20f4f5b48316666429f09b9ecc1f22eChristopher Tate if ((off >= offset) && (off + sizeof(flat_binder_object) <= offset + len)) { 4957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (firstIndex == -1) { 4967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project firstIndex = i; 4977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 4987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project lastIndex = i; 4997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int numObjects = lastIndex - firstIndex + 1; 5027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 50397e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if ((mDataSize+len) > mDataCapacity) { 50497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn // grow data 50597e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn err = growData(len); 50697e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (err != NO_ERROR) { 50797e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn return err; 50897e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 5097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append data 5127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData + mDataPos, data + offset, len); 5137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 5147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize += len; 5157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5168938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = NO_ERROR; 5178938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 5187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (numObjects > 0) { 5197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // grow objects 5207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjectsCapacity < mObjectsSize + numObjects) { 521ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate size_t newSize = ((mObjectsSize + numObjects)*3)/2; 522ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 52384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t *objects = 52484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 52584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (objects == (binder_size_t*)0) { 5267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 5277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 5297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 5307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 531d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 5327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // append and acquire objects 5337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int idx = mObjectsSize; 5347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (int i = firstIndex; i <= lastIndex; i++) { 5357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t off = objects[i] - offset + startPos; 5367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects[idx++] = off; 5377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize++; 5387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5398af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat_binder_object* flat 5407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData + off); 541cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 5427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 5448af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // If this is a file descriptor, we need to dup it so the 5458af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // new Parcel now owns its own fd, and can declare that we 5468af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn // officially know we have fds. 5478af0f82d89b029edf7e104a36a9a6e48a92f9e93Dianne Hackborn flat->handle = dup(flat->handle); 54884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg flat->cookie = 1; 5497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 5508938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 5518938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn err = FDS_NOT_ALLOWED; 5528938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 5537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5578938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return err; 5588938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn} 5598938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn 56013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownbool Parcel::allowFds() const 56113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 56213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return mAllowFds; 56313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 56413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 5657746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornbool Parcel::pushAllowFds(bool allowFds) 5668938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn{ 5678938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn const bool origValue = mAllowFds; 5687746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn if (!allowFds) { 5697746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = false; 5707746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn } 5718938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return origValue; 5727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 5747746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackbornvoid Parcel::restoreAllowFds(bool lastValue) 5757746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn{ 5767746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn mAllowFds = lastValue; 5777746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn} 5787746cc318829358bb2c4dc0a03d40a7856a6d13eDianne Hackborn 5797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectbool Parcel::hasFileDescriptors() const 5807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 5817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!mFdsKnown) { 5827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 5837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 5847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mHasFds; 5857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 587702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick// Write RPC headers. (previously just the interface token) 5887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInterfaceToken(const String16& interface) 5897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 590a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick writeInt32(IPCThreadState::self()->getStrictModePolicy() | 591a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick STRICT_MODE_PENALTY_GATHER); 5927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // currently the interface identification token is just its name as a string 5937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(interface); 5947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 5957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 59683c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopianbool Parcel::checkInterface(IBinder* binder) const 59783c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian{ 598702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick return enforceInterface(binder->getInterfaceDescriptor()); 59983c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian} 60083c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian 601a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrickbool Parcel::enforceInterface(const String16& interface, 60270081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick IPCThreadState* threadState) const 6037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 60470081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick int32_t strictPolicy = readInt32(); 60570081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick if (threadState == NULL) { 60670081a1511955f53bd0ed7f2aec9a1bf09f0f379Brad Fitzpatrick threadState = IPCThreadState::self(); 607a877cd85b5a026384542e3271fc310d6a8fe24c6Brad Fitzpatrick } 6085273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick if ((threadState->getLastTransactionBinderFlags() & 6095273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick IBinder::FLAG_ONEWAY) != 0) { 6105273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // For one-way calls, the callee is running entirely 6115273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // disconnected from the caller, so disable StrictMode entirely. 6125273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // Not only does disk/network usage not impact the caller, but 6135273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick // there's no way to commuicate back any violations anyway. 6145273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(0); 6155273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } else { 6165273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick threadState->setStrictModePolicy(strictPolicy); 6175273603e98d2db3bac656b7bcf5352c04c86d62fBrad Fitzpatrick } 61883c0446f27b9542d6c2e724817b2b2d8d1f55085Mathias Agopian const String16 str(readString16()); 6197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == interface) { 6207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return true; 6217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 622d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGW("**** enforceInterface() expected '%s' but read '%s'", 6237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project String8(interface).string(), String8(str).string()); 6247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return false; 6257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 626702ea9d42f52fc145090c0f0bfbe64993e4b8b33Brad Fitzpatrick} 6277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 62884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevågconst binder_size_t* Parcel::objects() const 6297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjects; 6317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::objectsCount() const 6347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 6367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::errorCheck() const 6397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 6417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::setError(status_t err) 6447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 6457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = err; 6467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::finishWrite(size_t len) 6497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 650b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 651b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 652b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 653b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 654b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 655b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Finish write of %d\n", len); 6577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos += len; 658d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data pos of %p to %zu", this, mDataPos); 6597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > mDataSize) { 6607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos; 661d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("finishWrite Setting data size of %p to %zu", this, mDataSize); 6627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("New pos=%d, size=%d\n", mDataPos, mDataSize); 6647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 6657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeUnpadded(const void* data, size_t len) 6687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 669b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 670b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 671b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 672b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 673b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 674b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 6757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t end = mDataPos + len; 6767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end < mDataPos) { 6777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // integer overflow 6787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_VALUE; 6797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (end <= mDataCapacity) { 6827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 6837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(mData+mDataPos, data, len); 6847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(len); 6857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 6867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(len); 6887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 6897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 6907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 6917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 6927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::write(const void* data, size_t len) 6937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 694b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 695b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 696b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 697b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 698b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 699b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 7007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project void* const d = writeInplace(len); 7017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (d) { 7027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(d, data, len); 7037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 7047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mError; 7067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid* Parcel::writeInplace(size_t len) 7097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 710b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 711b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 712b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 713b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 714b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 715b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 716b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich const size_t padded = pad_size(len); 7177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // sanity check for integer overflow 7197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos+padded < mDataPos) { 7207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((mDataPos+padded) <= mDataCapacity) { 7247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 7257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Writing %ld bytes, padded to %ld\n", len, padded); 7267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData+mDataPos; 7277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to pad at end? 7297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (padded != len) { 7307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == BIG_ENDIAN 7317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0xffffff00, 0xffff0000, 0xff000000 7337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#if BYTE_ORDER == LITTLE_ENDIAN 7367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project static const uint32_t mask[4] = { 7377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 0x00000000, 0x00ffffff, 0x0000ffff, 0x000000ff 7387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project }; 7397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project#endif 7407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project //printf("Applying pad mask: %p to %p\n", (void*)mask[padded-len], 7417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // *reinterpret_cast<void**>(data+padded-4)); 7427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<uint32_t*>(data+padded-4) &= mask[padded-len]; 7437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project finishWrite(padded); 7467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 7477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 7487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 7497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = growData(padded); 7507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) goto restart_write; 7517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 7527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 7537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 754b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeByteVector(const std::unique_ptr<std::vector<int8_t>>& val) 755b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 756b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!val) { 757b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(-1); 758b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 759b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 760b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeByteVector(*val); 761b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 762b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 7635f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeByteVector(const std::vector<int8_t>& val) 764451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 7655f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status_t status; 766451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (val.size() > std::numeric_limits<int32_t>::max()) { 7675f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 7685f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 769451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 770451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7715f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = writeInt32(val.size()); 772451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 773451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 774451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 775451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7765f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin void* data = writeInplace(val.size()); 7775f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin if (!data) { 7785f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin status = BAD_VALUE; 7795f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 780451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 781451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7825f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin memcpy(data, val.data(), val.size()); 7835f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin return status; 784451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 785451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 7865f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt32Vector(const std::vector<int32_t>& val) 787451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 78803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt32); 7895f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 790451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 791b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeInt32Vector(const std::unique_ptr<std::vector<int32_t>>& val) 792b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 793b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeInt32); 794b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 795b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 7965f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeInt64Vector(const std::vector<int64_t>& val) 7975f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 79803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeInt64); 7995f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 800451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 801b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeInt64Vector(const std::unique_ptr<std::vector<int64_t>>& val) 802b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 803b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeInt64); 804b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 805b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8065f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeFloatVector(const std::vector<float>& val) 8075f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 80803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeFloat); 8095f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin} 810451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 811b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeFloatVector(const std::unique_ptr<std::vector<float>>& val) 812b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 813b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeFloat); 814b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 815b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8165f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlinstatus_t Parcel::writeDoubleVector(const std::vector<double>& val) 8175f0625695ce6999ec70f5699f70a8a0fa84a1bf6Casey Dahlin{ 81803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeDouble); 819451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 820451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 821b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeDoubleVector(const std::unique_ptr<std::vector<double>>& val) 822b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 823b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeDouble); 824b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 825b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 826451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeBoolVector(const std::vector<bool>& val) 827451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 82803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeBool); 829451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 830451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 831b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeBoolVector(const std::unique_ptr<std::vector<bool>>& val) 832b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 833b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeBool); 834b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 835b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 836451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeCharVector(const std::vector<char16_t>& val) 837451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 83803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeChar); 839451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 840451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 841b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeCharVector(const std::unique_ptr<std::vector<char16_t>>& val) 842b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 843b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeChar); 844b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 845b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 846451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::writeString16Vector(const std::vector<String16>& val) 847451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 84803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeString16); 849451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 850451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 851b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeString16Vector( 852b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const std::unique_ptr<std::vector<std::unique_ptr<String16>>>& val) 853b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 854b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeString16); 855b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 856b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 8577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt32(int32_t val) 8587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 85984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 8607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 86141a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 86241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::writeUint32(uint32_t val) 86341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 86441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return writeAligned(val); 86541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 86641a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 8675c0106e134366312206702f1b072347e20c90374Marco Nelissenstatus_t Parcel::writeInt32Array(size_t len, const int32_t *val) { 868b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 869b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 870b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 871b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 872b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 873b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 8745c0106e134366312206702f1b072347e20c90374Marco Nelissen if (!val) { 875e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 8765c0106e134366312206702f1b072347e20c90374Marco Nelissen } 877e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 8785c0106e134366312206702f1b072347e20c90374Marco Nelissen if (ret == NO_ERROR) { 8795c0106e134366312206702f1b072347e20c90374Marco Nelissen ret = write(val, len * sizeof(*val)); 8805c0106e134366312206702f1b072347e20c90374Marco Nelissen } 8815c0106e134366312206702f1b072347e20c90374Marco Nelissen return ret; 8825c0106e134366312206702f1b072347e20c90374Marco Nelissen} 883f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissenstatus_t Parcel::writeByteArray(size_t len, const uint8_t *val) { 884b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 885b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 886b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 887b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 888b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 889b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 890f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (!val) { 891e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker return writeInt32(-1); 892f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 893e59cb43edad0eff28a81b18c3c4484442ff680ddChad Brubaker status_t ret = writeInt32(static_cast<uint32_t>(len)); 894f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen if (ret == NO_ERROR) { 895f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen ret = write(val, len * sizeof(*val)); 896f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen } 897f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen return ret; 898f0190bff38b6c29abbfc4a877442f71fc3d7dad8Marco Nelissen} 8997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 900d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeBool(bool val) 901d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 902d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 903d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 904d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 905d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeChar(char16_t val) 906d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 907d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 908d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 909d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 910d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::writeByte(int8_t val) 911d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 912d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return writeInt32(int32_t(val)); 913d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 914d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 9157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeInt64(int64_t val) 9167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 91784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 9187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9202d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::writeUint64(uint64_t val) 9212d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 9222d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return writeAligned(val); 9232d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 9242d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 925f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::writePointer(uintptr_t val) 926f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 92784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return writeAligned<binder_uintptr_t>(val); 928f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 929f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 9307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeFloat(float val) 9317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 93284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 9337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 935cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 936cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 937cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::writeDouble(double val) 938cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 939cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 940cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 941cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 942cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 943cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.d = val; 944cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return writeAligned(u.ll); 945cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 946cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 947cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 948cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 9497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDouble(double val) 9507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 95184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return writeAligned(val); 95284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 9537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 954cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 955cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 9567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeCString(const char* str) 9577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return write(str, strlen(str)+1); 9597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString8(const String8& str) 9627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(str.bytes()); 964d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // only write string if its length is more than zero characters, 965d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // as readString8 will only read if the length field is non-zero. 966d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera // this is slightly different from how writeString16 works. 967d1dff8d4d47a5f9142a22b11950adc55ea2b36dfPravat Dalbehera if (str.bytes() > 0 && err == NO_ERROR) { 9687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = write(str.string(), str.bytes()+1); 9697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 9707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 9717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 973b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeString16(const std::unique_ptr<String16>& str) 974b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 975b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!str) { 976b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(-1); 977b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 978b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 979b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeString16(*str); 980b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 981b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 9827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const String16& str) 9837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeString16(str.string(), str.size()); 9857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 9867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 9877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeString16(const char16_t* str, size_t len) 9887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 9897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str == NULL) return writeInt32(-1); 990d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 9917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project status_t err = writeInt32(len); 9927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err == NO_ERROR) { 9937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project len *= sizeof(char16_t); 9947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)writeInplace(len+sizeof(char16_t)); 9957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 9967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, str, len); 9977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<char16_t*>(data+len) = 0; 9987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 9997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project err = mError; 10017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 10027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return err; 10037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeStrongBinder(const sp<IBinder>& val) 10067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 10087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1010eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::writeStrongBinderVector(const std::vector<sp<IBinder>>& val) 1011eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin{ 101203d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return writeTypedVector(val, &Parcel::writeStrongBinder); 1013eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 1014eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 1015b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeStrongBinderVector(const std::unique_ptr<std::vector<sp<IBinder>>>& val) 1016b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 1017b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeStrongBinder); 1018b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1019b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1020b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readStrongBinderVector(std::unique_ptr<std::vector<sp<IBinder>>>* val) const { 1021b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readStrongBinder); 1022b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1023b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1024eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlinstatus_t Parcel::readStrongBinderVector(std::vector<sp<IBinder>>* val) const { 102503d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readStrongBinder); 1026eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin} 1027eb8e15f9bb29f8794f8be819530631c358fd6a15Casey Dahlin 10287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeWeakBinder(const wp<IBinder>& val) 10297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return flatten_binder(ProcessState::self(), val, this); 10317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1033b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeRawNullableParcelable(const Parcelable* parcelable) { 1034b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (!parcelable) { 1035b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeInt32(0); 1036b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1037b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1038b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeParcelable(*parcelable); 1039b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1040b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 104197f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wileystatus_t Parcel::writeParcelable(const Parcelable& parcelable) { 104297f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley status_t status = writeInt32(1); // parcelable is not null. 104397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (status != OK) { 104497f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return status; 104597f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 104697f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return parcelable.writeToParcel(this); 104797f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley} 104897f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley 1049a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopianstatus_t Parcel::writeNativeHandle(const native_handle* handle) 10505f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 10511d0a95b12a9194f64dd436224ec3bf8e0622d678Mathias Agopian if (!handle || handle->version != sizeof(native_handle)) 10525f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return BAD_TYPE; 10535f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 10545f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 1055a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numFds); 10565f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 1057edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1058a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeInt32(handle->numInts); 10595f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return err; 1060edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1061a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian for (int i=0 ; err==NO_ERROR && i<handle->numFds ; i++) 1062a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = writeDupFileDescriptor(handle->data[i]); 1063edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project 1064edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project if (err != NO_ERROR) { 10659d4536835248525f32f1504a3d28d5bbfa0a2910Steve Block ALOGD("write native handle, write dup fd failed"); 1066edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project return err; 1067edbf3b6af777b721cd2a1ef461947e51e88241e1The Android Open Source Project } 1068a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian err = write(handle->data + handle->numFds, sizeof(int)*handle->numInts); 10695f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return err; 10705f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 10715f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 107293ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brownstatus_t Parcel::writeFileDescriptor(int fd, bool takeOwnership) 10737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 10747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project flat_binder_object obj; 10757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.type = BINDER_TYPE_FD; 10767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.flags = 0x7f | FLAT_BINDER_FLAG_ACCEPTS_FDS; 107707fd0f195db6d341cab4e54257f508d802c98832Arve Hjønnevåg obj.binder = 0; /* Don't pass uninitialized stack data to a remote process */ 10787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project obj.handle = fd; 107984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg obj.cookie = takeOwnership ? 1 : 0; 10807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return writeObject(obj, true); 10817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 10837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeDupFileDescriptor(int fd) 10847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1085d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown int dupFd = dup(fd); 1086d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown if (dupFd < 0) { 1087d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return -errno; 1088d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 1089d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown status_t err = writeFileDescriptor(dupFd, true /*takeOwnership*/); 109006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (err != OK) { 1091d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown close(dupFd); 1092d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown } 1093d341c7178fffc7ad5b57645c2bcf5a395ca95591Jeff Brown return err; 10947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 10957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 109606673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptor(const ScopedFd& fd) { 109706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return writeDupFileDescriptor(fd.get()); 109806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 109906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 110006673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptorVector(const std::vector<ScopedFd>& val) { 110106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return writeTypedVector(val, &Parcel::writeUniqueFileDescriptor); 110206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 110306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 1104b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::writeUniqueFileDescriptorVector(const std::unique_ptr<std::vector<ScopedFd>>& val) { 1105b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return writeNullableTypedVector(val, &Parcel::writeUniqueFileDescriptor); 1106b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1107b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 110813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeBlob(size_t len, bool mutableCopy, WritableBlob* outBlob) 11095707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 1110b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1111b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1112b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1113b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1114b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1115b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 111613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status; 111713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds || len <= BLOB_INPLACE_LIMIT) { 11186807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write in place"); 111913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(BLOB_INPLACE); 11205707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 11215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11225707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = writeInplace(len); 11235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return NO_MEMORY; 11245707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 112513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, ptr, len, false); 11265707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11275707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11296807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("writeBlob: write to ashmem"); 11305707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = ashmem_create_region("Parcel Blob", len); 11315707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd < 0) return NO_MEMORY; 11325707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 11335707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int result = ashmem_set_prot_region(fd, PROT_READ | PROT_WRITE); 11345707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1135ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 11365707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 11375707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown void* ptr = ::mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_SHARED, fd, 0); 11385707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (ptr == MAP_FAILED) { 11395707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown status = -errno; 11405707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 114113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mutableCopy) { 114213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown result = ashmem_set_prot_region(fd, PROT_READ); 114313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown } 11445707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (result < 0) { 1145ec4e0063a1c5cc6e01472cc2a9d27609ce3827d7Jeff Brown status = result; 11465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } else { 114713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status = writeInt32(mutableCopy ? BLOB_ASHMEM_MUTABLE : BLOB_ASHMEM_IMMUTABLE); 11485707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 114993ff1f985e233fe04412a65041e977c9f0c21f5bJeff Brown status = writeFileDescriptor(fd, true /*takeOwnership*/); 11505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!status) { 115113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, mutableCopy); 11525707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 11535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11565707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(ptr, len); 11585707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 11595707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::close(fd); 11605707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return status; 11615707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 11625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 116313b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownstatus_t Parcel::writeDupImmutableBlobFileDescriptor(int fd) 116413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown{ 116513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown // Must match up with what's done in writeBlob. 116613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (!mAllowFds) return FDS_NOT_ALLOWED; 116713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = writeInt32(BLOB_ASHMEM_IMMUTABLE); 116813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (status) return status; 116913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown return writeDupFileDescriptor(fd); 117013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown} 117113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown 1172e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::write(const FlattenableHelperInterface& val) 117398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 117498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err; 117598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 117698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size if needed 1177e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t len = val.getFlattenedSize(); 1178e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopian const size_t fd_count = val.getFdCount(); 117998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1180b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((len > INT32_MAX) || (fd_count > INT32_MAX)) { 1181b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1182b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1183b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1184b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1185b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 118698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(len); 118798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 118898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 118998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeInt32(fd_count); 119098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err) return err; 119198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 119298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1193b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void* const buf = this->writeInplace(pad_size(len)); 119498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 119598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 119698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 119798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 119898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 119998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 120098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 120198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 120298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.flatten(buf, len, fds, fd_count); 120398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 120498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = this->writeDupFileDescriptor( fds[i] ); 120598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 120698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 120798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 120898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 120998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 121098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 121198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 121298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 121398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 12147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::writeObject(const flat_binder_object& val, bool nullMetaData) 12157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughData = (mDataPos+sizeof(val)) <= mDataCapacity; 12177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const bool enoughObjects = mObjectsSize < mObjectsCapacity; 12187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (enoughData && enoughObjects) { 12197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectrestart_write: 12207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *reinterpret_cast<flat_binder_object*>(mData+mDataPos) = val; 1221d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 12227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // remember if it's a file descriptor 12237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (val.type == BINDER_TYPE_FD) { 12248938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn if (!mAllowFds) { 122598e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // fail before modifying our object index 12268938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn return FDS_NOT_ALLOWED; 12278938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn } 12287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = mFdsKnown = true; 12297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 123198e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate // Need to write meta-data? 123298e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate if (nullMetaData || val.binder != 0) { 123398e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjects[mObjectsSize] = mDataPos; 1234cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(ProcessState::self(), val, this, &mOpenAshmemSize); 123598e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate mObjectsSize++; 123698e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate } 123798e67d352b8805a868ca0e7c2be3ea830fb7c338Christopher Tate 12387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return finishWrite(sizeof(flat_binder_object)); 12397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughData) { 12427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = growData(sizeof(val)); 12437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (err != NO_ERROR) return err; 12447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!enoughObjects) { 12467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mObjectsSize+2)*3)/2; 1247ed7a50cc7d490ae7aece2d16422c5f7941876468Christopher Tate if (newSize < mObjectsSize) return NO_MEMORY; // overflow 124884e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = (binder_size_t*)realloc(mObjects, newSize*sizeof(binder_size_t)); 12497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects == NULL) return NO_MEMORY; 12507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 12517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = newSize; 12527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1253d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 12547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project goto restart_write; 12557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1257837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickstatus_t Parcel::writeNoException() 1258837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 125909eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 126009eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.writeToParcel(this); 1261837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 1262837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick 12636f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::remove(size_t /*start*/, size_t /*amt*/) 12647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 12657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project LOG_ALWAYS_FATAL("Parcel::remove() not yet implemented!"); 12667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::read(void* outData, size_t len) const 12697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1270b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1271b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1272b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1273b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1274b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1275b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1276b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1277b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 12787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(outData, mData+mDataPos, len); 1279b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1280d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("read Setting data pos of %p to %zu", this, mDataPos); 12817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 12827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 12837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 12847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 12857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 12867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst void* Parcel::readInplace(size_t len) const 12877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1288b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1289b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1290b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1291b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return NULL; 1292b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1293b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 1294b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if ((mDataPos+pad_size(len)) >= mDataPos && (mDataPos+pad_size(len)) <= mDataSize 1295b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich && len <= pad_size(len)) { 12967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 1297b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len); 1298d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readInplace Setting data pos of %p to %zu", this, mDataPos); 12997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return data; 13007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 13027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 130484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 130584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readAligned(T *pArg) const { 1306b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 130784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 130884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(T)) <= mDataSize) { 13097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const void* data = mData+mDataPos; 131084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber mDataPos += sizeof(T); 131184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *pArg = *reinterpret_cast<const T*>(data); 13127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 13137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 13147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NOT_ENOUGH_DATA; 13157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 13167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 13177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 131884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 131984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas HuberT Parcel::readAligned() const { 132084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber T result; 132184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (readAligned(&result) != NO_ERROR) { 132284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber result = 0; 132384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 132484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 132584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return result; 132684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 132784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 132884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Hubertemplate<class T> 132984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::writeAligned(T val) { 1330b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich COMPILE_TIME_ASSERT_FUNCTION_SCOPE(PAD_SIZE_UNSAFE(sizeof(T)) == sizeof(T)); 133184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 133284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if ((mDataPos+sizeof(val)) <= mDataCapacity) { 133384a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberrestart_write: 133484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber *reinterpret_cast<T*>(mData+mDataPos) = val; 133584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return finishWrite(sizeof(val)); 133684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber } 133784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 133884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber status_t err = growData(sizeof(val)); 133984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber if (err == NO_ERROR) goto restart_write; 134084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return err; 134184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 134284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1343451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readByteVector(std::vector<int8_t>* val) const { 1344451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->clear(); 1345451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1346451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1347451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1348451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1349451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1350451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1351451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1352451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 13534db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size < 0) { 13544db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley status = UNEXPECTED_NULL; 13554db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return status; 13564db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley } 13574db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley if (size_t(size) > dataAvail()) { 1358f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1359f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1360451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 13614db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley 1362f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley const void* data = readInplace(size); 1363f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley if (!data) { 1364f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley status = BAD_VALUE; 1365f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1366451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1367f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley val->resize(size); 1368f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley memcpy(val->data(), data, size); 1369451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1370f0fc52b59be0bf39912f7b698d9bde26415a6096Christopher Wiley return status; 1371451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1372451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1373b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readByteVector(std::unique_ptr<std::vector<int8_t>>* val) const { 1374b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1375b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1376b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1377b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1378b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1379b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1380b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1381b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1382b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1383b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1384b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(new std::vector<int8_t>()); 1385b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1386b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readByteVector(val->get()); 1387b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1388b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1389b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1390b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1391b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1392b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1393b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1394b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1395b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readInt32Vector(std::unique_ptr<std::vector<int32_t>>* val) const { 1396b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readInt32); 1397b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1398b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1399451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt32Vector(std::vector<int32_t>* val) const { 140003d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt32); 1401451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1402451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1403b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readInt64Vector(std::unique_ptr<std::vector<int64_t>>* val) const { 1404b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readInt64); 1405b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1406b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1407451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readInt64Vector(std::vector<int64_t>* val) const { 140803d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readInt64); 1409451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1410451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1411b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readFloatVector(std::unique_ptr<std::vector<float>>* val) const { 1412b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readFloat); 1413b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1414b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1415451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readFloatVector(std::vector<float>* val) const { 141603d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readFloat); 1417451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1418451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1419b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readDoubleVector(std::unique_ptr<std::vector<double>>* val) const { 1420b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readDouble); 1421b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1422b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1423451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readDoubleVector(std::vector<double>* val) const { 142403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readDouble); 1425451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1426451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1427b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readBoolVector(std::unique_ptr<std::vector<bool>>* val) const { 1428b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1429b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1430b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1431b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1432b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1433b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1434b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1435b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1436b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1437b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1438b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(new std::vector<bool>()); 1439b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1440b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readBoolVector(val->get()); 1441b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1442b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1443b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin val->reset(); 1444b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1445b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1446b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1447b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1448451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1449b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readBoolVector(std::vector<bool>* val) const { 1450451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin int32_t size; 1451451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status_t status = readInt32(&size); 1452451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1453451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1454451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1455451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1456451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1457451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (size < 0) { 14584db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1459451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1460451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1461451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin val->resize(size); 1462451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1463451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin /* C++ bool handling means a vector of bools isn't necessarily addressable 1464451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin * (we might use individual bits) 1465451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin */ 146697887989495318803643c91b196b6bcabf2a7a03Christopher Wiley bool data; 146797887989495318803643c91b196b6bcabf2a7a03Christopher Wiley for (int32_t i = 0; i < size; ++i) { 1468451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin status = readBool(&data); 1469451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin (*val)[i] = data; 1470451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1471451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (status != OK) { 1472451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return status; 1473451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1474451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1475451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1476451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return OK; 1477451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1478451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1479b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readCharVector(std::unique_ptr<std::vector<char16_t>>* val) const { 1480b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readChar); 1481b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1482b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1483451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readCharVector(std::vector<char16_t>* val) const { 148403d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readChar); 1485451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1486451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1487b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readString16Vector( 1488b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin std::unique_ptr<std::vector<std::unique_ptr<String16>>>* val) const { 1489b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readString16); 1490b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1491b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1492451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16Vector(std::vector<String16>* val) const { 149303d1eb6bf90bcd0a04b176988478d2e939d3fba0Christopher Wiley return readTypedVector(val, &Parcel::readString16); 1494451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1495451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 1496451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 149784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readInt32(int32_t *pArg) const 149884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 149984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 150084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 150184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 15027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint32_t Parcel::readInt32() const 15037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 150484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int32_t>(); 15057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 150741a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozastatus_t Parcel::readUint32(uint32_t *pArg) const 150841a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 150941a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned(pArg); 151041a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 151141a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza 151241a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stozauint32_t Parcel::readUint32() const 151341a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza{ 151441a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza return readAligned<uint32_t>(); 151541a0f2f86c0ca7d2fef50aef6215987f445a7231Dan Stoza} 15167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readInt64(int64_t *pArg) const 15187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 151984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 15207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint64_t Parcel::readInt64() const 15247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 152584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<int64_t>(); 15267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15282d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wustatus_t Parcel::readUint64(uint64_t *pArg) const 15292d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 15302d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned(pArg); 15312d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 15322d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 15332d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wuuint64_t Parcel::readUint64() const 15342d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu{ 15352d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu return readAligned<uint64_t>(); 15362d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu} 15372d13afdfa1f43973bf3cb917c7d6496a38baa446Ronghua Wu 1538f683e0163a84d93448b9388126902242367cd961Serban Constantinescustatus_t Parcel::readPointer(uintptr_t *pArg) const 1539f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 154084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg status_t ret; 154184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_uintptr_t ptr; 154284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg ret = readAligned(&ptr); 154384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!ret) 154484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg *pArg = ptr; 154584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return ret; 1546f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1547f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1548f683e0163a84d93448b9388126902242367cd961Serban Constantinescuuintptr_t Parcel::readPointer() const 1549f683e0163a84d93448b9388126902242367cd961Serban Constantinescu{ 155084e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return readAligned<binder_uintptr_t>(); 1551f683e0163a84d93448b9388126902242367cd961Serban Constantinescu} 1552f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 1553f683e0163a84d93448b9388126902242367cd961Serban Constantinescu 15547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readFloat(float *pArg) const 15557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 155684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 15577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectfloat Parcel::readFloat() const 15617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 156284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<float>(); 15637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1565cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#if defined(__mips__) && defined(__mips_hard_float) 1566cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 15677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::readDouble(double *pArg) const 15687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 1569cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1570cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1571cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1572cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 15732c68d380c9ef765a7d46e5a4735f39e6c27849f2Narayan Kamath u.d = 0; 1574cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status_t status; 1575cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung status = readAligned(&u.ll); 1576cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung *pArg = u.d; 1577cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return status; 15787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 15797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1580cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungdouble Parcel::readDouble() const 1581cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1582cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung union { 1583cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung double d; 1584cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung unsigned long long ll; 1585cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung } u; 1586cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung u.ll = readAligned<unsigned long long>(); 1587cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return u.d; 1588cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 1589cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1590cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#else 1591cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 1592cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leungstatus_t Parcel::readDouble(double *pArg) const 1593cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung{ 1594cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung return readAligned(pArg); 1595cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung} 15967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 15977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectdouble Parcel::readDouble() const 15987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 159984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<double>(); 160084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 160184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 1602cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung#endif 1603cc1a4bb1e1da3f2f38bdaf1f76348c7bc9fb6adbDouglas Leung 160484a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberstatus_t Parcel::readIntPtr(intptr_t *pArg) const 160584a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 160684a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned(pArg); 160784a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber} 160884a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 160984a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber 161084a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huberintptr_t Parcel::readIntPtr() const 161184a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber{ 161284a6d041e2c69d4d0b69269a0b59e725c9f119a3Andreas Huber return readAligned<intptr_t>(); 16137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1615d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readBool(bool *pArg) const 1616d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1617d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1618d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1619d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = (tmp != 0); 1620d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1621d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1622d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1623d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinbool Parcel::readBool() const 1624d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1625d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return readInt32() != 0; 1626d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1627d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1628d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readChar(char16_t *pArg) const 1629d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1630d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1631d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1632d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = char16_t(tmp); 1633d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1634d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1635d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1636d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinchar16_t Parcel::readChar() const 1637d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1638d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return char16_t(readInt32()); 1639d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1640d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1641d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinstatus_t Parcel::readByte(int8_t *pArg) const 1642d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1643d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin int32_t tmp; 1644d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin status_t ret = readInt32(&tmp); 1645d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin *pArg = int8_t(tmp); 1646d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return ret; 1647d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 1648d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin 1649d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlinint8_t Parcel::readByte() const 1650d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin{ 1651d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin return int8_t(readInt32()); 1652d6848f52e60be17b7f0992be7827dcae4ea2efb1Casey Dahlin} 16537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char* Parcel::readCString() const 16557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t avail = mDataSize-mDataPos; 16577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (avail > 0) { 16587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = reinterpret_cast<const char*>(mData+mDataPos); 16597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // is the string's trailing NUL within the parcel's valid bounds? 16607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* eos = reinterpret_cast<const char*>(memchr(str, 0, avail)); 16617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (eos) { 16627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t len = eos - str; 1663b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich mDataPos += pad_size(len+1); 1664d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readCString Setting data pos of %p to %zu", this, mDataPos); 16657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 16667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 16697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString8 Parcel::readString8() const 16727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 16747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow adding 1 for trailing NUL 16757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size > 0 && size < INT32_MAX) { 16767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char* str = (const char*)readInplace(size+1); 16777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String8(str, size); 16787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 16797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String8(); 16807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 16827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source ProjectString16 Parcel::readString16() const 16837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 16847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t len; 16857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = readString16Inplace(&len); 16867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str) return String16(str, len); 1687e6f43ddce78d6846af12550ff9193c5c6fe5844bSteve Block ALOGE("Reading a NULL string not supported here."); 16887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return String16(); 16897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 16907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1691b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readString16(std::unique_ptr<String16>* pArg) const 1692b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin{ 1693b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin const int32_t start = dataPosition(); 1694b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin int32_t size; 1695b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status_t status = readInt32(&size); 1696b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(); 1697b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1698b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK || size < 0) { 1699b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1700b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1701b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1702b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin setDataPosition(start); 1703b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(new String16()); 1704b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1705b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin status = readString16(pArg->get()); 1706b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1707b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin if (status != OK) { 1708b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin pArg->reset(); 1709b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin } 1710b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1711b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return status; 1712b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1713b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 1714451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlinstatus_t Parcel::readString16(String16* pArg) const 1715451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin{ 1716451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin size_t len; 1717451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin const char16_t* str = readString16Inplace(&len); 1718451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin if (str) { 17191515ea103e00f6672afad4d27f2e0dec5648d7b6Casey Dahlin pArg->setTo(str, len); 1720451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin return 0; 1721451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } else { 1722451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin *pArg = String16(); 17234db672ddccb02b2bd70ddb4812c00a5060174c93Christopher Wiley return UNEXPECTED_NULL; 1724451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin } 1725451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin} 1726451ff582d730e27f4e22d9f158f8ee24d1bc2729Casey Dahlin 17277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst char16_t* Parcel::readString16Inplace(size_t* outLen) const 17287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project int32_t size = readInt32(); 17307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // watch for potential int overflow from size+1 17317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (size >= 0 && size < INT32_MAX) { 17327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = size; 17337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const char16_t* str = (const char16_t*)readInplace((size+1)*sizeof(char16_t)); 17347c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (str != NULL) { 17357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return str; 17367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 17387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project *outLen = 0; 17397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 17407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 1742f0c13772d95486d98f034361883b2415bb26a614Casey Dahlinstatus_t Parcel::readStrongBinder(sp<IBinder>* val) const 1743f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin{ 1744f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin return unflatten_binder(ProcessState::self(), *this, val); 1745f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin} 1746f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin 17477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsp<IBinder> Parcel::readStrongBinder() const 17487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project sp<IBinder> val; 1750f0c13772d95486d98f034361883b2415bb26a614Casey Dahlin readStrongBinder(&val); 17517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 17527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 17547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectwp<IBinder> Parcel::readWeakBinder() const 17557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 17567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project wp<IBinder> val; 17577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project unflatten_binder(ProcessState::self(), *this, &val); 17587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return val; 17597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 17607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 176197f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wileystatus_t Parcel::readParcelable(Parcelable* parcelable) const { 176297f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley int32_t have_parcelable = 0; 176397f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley status_t status = readInt32(&have_parcelable); 176497f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (status != OK) { 176597f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return status; 176697f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 176797f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley if (!have_parcelable) { 176897f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return UNEXPECTED_NULL; 176997f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley } 177097f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley return parcelable->readFromParcel(this); 177197f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley} 177297f048d19e51da4ea6ff98d8a9daf38f2577f182Christopher Wiley 1773837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrickint32_t Parcel::readExceptionCode() const 1774837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick{ 177509eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley binder::Status status; 177609eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley status.readFromParcel(*this); 177709eb749704afd9e226e1347cb20c90be2016cd21Christopher Wiley return status.exceptionCode(); 1778837a0d0fb2c3fba8082d47d04cb6120af1eb9a54Brad Fitzpatrick} 17795f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1780a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopiannative_handle* Parcel::readNativeHandle() const 17815f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project{ 17825f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project int numFds, numInts; 17835f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project status_t err; 17845f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numFds); 17855f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 17865f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = readInt32(&numInts); 17875f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) return 0; 17885f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 1789a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle* h = native_handle_create(numFds, numInts); 1790eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski if (!h) { 1791eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski return 0; 1792eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski } 1793eaac99a7172da52a76ba48c26413778a74951b1aAdam Lesinski 17945f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project for (int i=0 ; err==NO_ERROR && i<numFds ; i++) { 1795360211f7feff8472e082ed5a0675a0b37da74ce5Rebecca Schultz Zavin h->data[i] = dup(readFileDescriptor()); 17965f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (h->data[i] < 0) err = BAD_VALUE; 17975f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 17985f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project err = read(h->data + numFds, sizeof(int)*numInts); 17995f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project if (err != NO_ERROR) { 1800a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_close(h); 1801a47f02afb1e1f2c4abd9379c13903a5dde89d354Mathias Agopian native_handle_delete(h); 18025f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project h = 0; 18035f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project } 18045f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project return h; 18055f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project} 18065f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 18075f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project 18087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectint Parcel::readFileDescriptor() const 18097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 18107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat = readObject(true); 181106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 181206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (flat && flat->type == BINDER_TYPE_FD) { 181306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return flat->handle; 18147c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 181506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 18167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return BAD_TYPE; 18177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 18187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 181906673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::readUniqueFileDescriptor(ScopedFd* val) const 182006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin{ 182106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin int got = readFileDescriptor(); 182206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 182306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (got == BAD_TYPE) { 182406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return BAD_TYPE; 182506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin } 182606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 182706673e38983baad380e818c5493b7faccf3b2393Casey Dahlin val->reset(dup(got)); 182806673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 182906673e38983baad380e818c5493b7faccf3b2393Casey Dahlin if (val->get() < 0) { 183006673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return BAD_VALUE; 183106673e38983baad380e818c5493b7faccf3b2393Casey Dahlin } 183206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 183306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return OK; 183406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 183506673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 183606673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 1837b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlinstatus_t Parcel::readUniqueFileDescriptorVector(std::unique_ptr<std::vector<ScopedFd>>* val) const { 1838b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin return readNullableTypedVector(val, &Parcel::readUniqueFileDescriptor); 1839b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin} 1840b9872623ca0f2366c348d6d40a8ba45ee0e87710Casey Dahlin 184106673e38983baad380e818c5493b7faccf3b2393Casey Dahlinstatus_t Parcel::readUniqueFileDescriptorVector(std::vector<ScopedFd>* val) const { 184206673e38983baad380e818c5493b7faccf3b2393Casey Dahlin return readTypedVector(val, &Parcel::readUniqueFileDescriptor); 184306673e38983baad380e818c5493b7faccf3b2393Casey Dahlin} 184406673e38983baad380e818c5493b7faccf3b2393Casey Dahlin 18455707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownstatus_t Parcel::readBlob(size_t len, ReadableBlob* outBlob) const 18465707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown{ 184713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown int32_t blobType; 184813b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown status_t status = readInt32(&blobType); 18495707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (status) return status; 18505707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 185113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (blobType == BLOB_INPLACE) { 18526807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read in place"); 18535707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown const void* ptr = readInplace(len); 18545707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (!ptr) return BAD_VALUE; 18555707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 185613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(-1, const_cast<void*>(ptr), len, false); 18575707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 18585707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 18595707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 18606807e59e0ff943cc6225d46e3c33a8a7eae9b3d7Steve Block ALOGV("readBlob: read from ashmem"); 186113b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown bool isMutable = (blobType == BLOB_ASHMEM_MUTABLE); 18625707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown int fd = readFileDescriptor(); 18635707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown if (fd == int(BAD_TYPE)) return BAD_VALUE; 18645707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 186513b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown void* ptr = ::mmap(NULL, len, isMutable ? PROT_READ | PROT_WRITE : PROT_READ, 186613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown MAP_SHARED, fd, 0); 18679ea09757fa63ad2a9bea9c846b51c1210d69c79fNarayan Kamath if (ptr == MAP_FAILED) return NO_MEMORY; 18685707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 186913b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown outBlob->init(fd, ptr, len, isMutable); 18705707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown return NO_ERROR; 18715707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 18725707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 1873e142428a9c8b9d2380032cd4d7b55ee440fe8770Mathias Agopianstatus_t Parcel::read(FlattenableHelperInterface& val) const 187498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian{ 187598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // size 187698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t len = this->readInt32(); 187798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian const size_t fd_count = this->readInt32(); 187898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 1879b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 1880b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 1881b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 1882b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 1883b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 1884b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 188598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian // payload 1886b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich void const* const buf = this->readInplace(pad_size(len)); 188798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (buf == NULL) 188898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return BAD_VALUE; 188998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 189098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian int* fds = NULL; 189198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 189298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian fds = new int[fd_count]; 189398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 189498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 189598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian status_t err = NO_ERROR; 189698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian for (size_t i=0 ; i<fd_count && err==NO_ERROR ; i++) { 1897fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall fds[i] = dup(this->readFileDescriptor()); 1898abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang if (fds[i] < 0) { 1899abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang err = BAD_VALUE; 1900fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall ALOGE("dup() failed in Parcel::read, i is %zu, fds[i] is %d, fd_count is %zu, error: %s", 1901fee99040de000a64f6036a7db172fb7c68d9764aJesse Hall i, fds[i], fd_count, strerror(errno)); 1902abf8a2c608cb5f0d1523ab7d0c56e0da8a09cc87Jun Jiang } 190398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 190498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 190598e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (err == NO_ERROR) { 190698e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian err = val.unflatten(buf, len, fds, fd_count); 190798e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 190898e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 190998e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian if (fd_count) { 191098e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian delete [] fds; 191198e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian } 191298e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian 191398e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian return err; 191498e71ddaede9a0bfb681fd237bec1f66c6c53193Mathias Agopian} 19157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectconst flat_binder_object* Parcel::readObject(bool nullMetaData) const 19167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t DPOS = mDataPos; 19187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if ((DPOS+sizeof(flat_binder_object)) <= mDataSize) { 19197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* obj 19207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData+DPOS); 19217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = DPOS + sizeof(flat_binder_object); 192284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg if (!nullMetaData && (obj->cookie == 0 && obj->binder == 0)) { 19235f78a48bb8f7714ee231fca67d60fad77bc1cad9The Android Open Source Project // When transferring a NULL object, we don't write it into 19247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the object list, so we don't want to check for it when 19257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // reading. 1926d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 19277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 19287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1929d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Ensure that this object is valid... 193184e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const OBJS = mObjects; 19327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = mObjectsSize; 19337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t opos = mNextObjectHint; 1934d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19357c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (N > 0) { 1936d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p looking for obj at %zu, hint=%zu", 19377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 1938d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Start at the current hint position, looking for an object at 19407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // the current data position. 19417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (opos < N) { 19427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos < (N-1) && OBJS[opos] < DPOS) { 19437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos++; 19447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 19467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos = N-1; 19477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 19497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1950d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with forward search", 19517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 19527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1953d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 19547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 19557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 1956d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 19577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Look backwards for it... 19587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (opos > 0 && OBJS[opos] > DPOS) { 19597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project opos--; 19607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (OBJS[opos] == DPOS) { 19627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Found it! 1963d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("Parcel %p found obj %zu at index %zu with backward search", 19647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS, opos); 19657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = opos+1; 1966d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("readObject Setting data pos of %p to %zu", this, mDataPos); 19677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return obj; 19687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19706f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGW("Attempt to read object from Parcel %p at offset %zu that is not in the object list", 19717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project this, DPOS); 19727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NULL; 19747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::closeFileDescriptors() 19777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 19787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 19797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (i > 0) { 1980d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing file descriptors for %zu objects...", i); 19817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 19837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 19847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 19857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 19867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 1987d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Closing fd: %ld", flat->handle); 19887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project close(flat->handle); 19897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 19917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 199384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcData() const 19947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 199584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mData); 19967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 19977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 19987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcDataSize() const 19997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (mDataSize > mDataPos ? mDataSize : mDataPos); 20017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 200384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåguintptr_t Parcel::ipcObjects() const 20047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 200584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg return reinterpret_cast<uintptr_t>(mObjects); 20067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectsize_t Parcel::ipcObjectsCount() const 20097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return mObjectsSize; 20117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::ipcSetDataReference(const uint8_t* data, size_t dataSize, 201484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* objects, size_t objectsCount, release_func relFunc, void* relCookie) 20157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20166f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t minOffset = 0; 20177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 20187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 20197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = const_cast<uint8_t*>(data); 20207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataCapacity = dataSize; 2021d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("setDataReference Setting data size of %p to %lu (pid=%d)", this, mDataSize, getpid()); 20227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 2023d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("setDataReference Setting data pos of %p to %zu", this, mDataPos); 202484e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg mObjects = const_cast<binder_size_t*>(objects); 20257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsCount; 20267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 20277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = relFunc; 20287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwnerCookie = relCookie; 2029f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg for (size_t i = 0; i < mObjectsSize; i++) { 20306f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg binder_size_t offset = mObjects[i]; 2031f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg if (offset < minOffset) { 20323bdc5b826803dca10d3625c56de38d6c55d869c8Dan Albert ALOGE("%s: bad object offset %" PRIu64 " < %" PRIu64 "\n", 20336f286114ec1d597f3dae987bba6e72dbbc404e32Arve Hjønnevåg __func__, (uint64_t)offset, (uint64_t)minOffset); 2034f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg mObjectsSize = 0; 2035f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg break; 2036f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 2037f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg minOffset = offset + sizeof(flat_binder_object); 2038f50b9eaaeeaeae16981f11b05d3f3a6fb0dea30dArve Hjønnevåg } 20397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project scanForFds(); 20407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20426f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Crossvoid Parcel::print(TextOutput& to, uint32_t /*flags*/) const 20437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "Parcel("; 2045d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (errorCheck() != NO_ERROR) { 20477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const status_t err = errorCheck(); 20486f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross to << "Error: " << (void*)(intptr_t)err << " \"" << strerror(-err) << "\""; 20497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (dataSize() > 0) { 20507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const uint8_t* DATA = data(); 20517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << indent << HexDump(DATA, dataSize()) << dedent; 205284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg const binder_size_t* OBJS = objects(); 20537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const size_t N = objectsCount(); 20547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<N; i++) { 20557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(DATA+OBJS[i]); 20577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << endl << "Object #" << i << " @ " << (void*)OBJS[i] << ": " 20587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << TypeCode(flat->type & 0x7f7f7f00) 20597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project << " = " << flat->binder; 20607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 20627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << "NULL"; 20637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2064d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 20657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project to << ")"; 20667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::releaseObjects() 20697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 20717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 20727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 207384e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 20747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 20757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 20767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 2078cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 20797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::acquireObjects() 20837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 20857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t i = mObjectsSize; 20867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* const data = mData; 208784e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* const objects = mObjects; 20887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (i > 0) { 20897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project i--; 20907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 20917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(data+objects[i]); 2092cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos acquire_object(proc, *flat, this, &mOpenAshmemSize); 20937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 20947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 20957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 20967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeData() 20977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 20987c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeDataNoInit(); 20997c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project initState(); 21007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::freeDataNoInit() 21037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 21047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 21057e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing other owner data", this); 2106d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 21077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 21087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 21097e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing allocated data", this); 21107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 21117e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn if (mData) { 21127e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: freeing with %zu capacity", this, mDataCapacity); 2113a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 211448fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (mDataCapacity <= gParcelGlobalAllocSize) { 211548fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = gParcelGlobalAllocSize - mDataCapacity; 211648fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } else { 211748fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocSize = 0; 211848fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 211948fd7b457bb0657253d6012e787f50498b32ae42Dan Austin if (gParcelGlobalAllocCount > 0) { 212048fd7b457bb0657253d6012e787f50498b32ae42Dan Austin gParcelGlobalAllocCount--; 212148fd7b457bb0657253d6012e787f50498b32ae42Dan Austin } 2122a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 21237e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn free(mData); 21247e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn } 21257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects) free(mObjects); 21267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 21277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::growData(size_t len) 21307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2131b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (len > INT32_MAX) { 2132b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2133b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2134b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2135b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2136b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 21377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t newSize = ((mDataSize+len)*3)/2; 21387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return (newSize <= mDataSize) 21397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project ? (status_t) NO_MEMORY 21407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project : continueWrite(newSize); 21417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::restartWrite(size_t desired) 21447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2145b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 2146b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2147b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2148b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2149b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2150b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 21517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 21527c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 21537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return continueWrite(desired); 21547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2155d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 21577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data && desired > mDataCapacity) { 21587c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 21597c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 21607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2161d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project releaseObjects(); 2163d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 21657e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: restart from %zu to %zu capacity", this, mDataCapacity, desired); 2166a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 21677e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 21687e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 216983ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross if (!mData) { 217083ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross gParcelGlobalAllocCount++; 217183ec65e19a8b5e1ae11e789b3d79d08543b09193Colin Cross } 2172a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 21737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 21747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 21757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2176d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 2178d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data size of %p to %zu", this, mDataSize); 2179d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("restartWrite Setting data pos of %p to %zu", this, mDataPos); 2180d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project free(mObjects); 21827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 21837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = 0; 21847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 21857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 21867c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 21878938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 2188d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 21897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 21907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 21917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 21927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectstatus_t Parcel::continueWrite(size_t desired) 21937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 2194b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich if (desired > INT32_MAX) { 2195b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // don't accept size_t values which may have come from an 2196b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich // inadvertent conversion from a negative int. 2197b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich return BAD_VALUE; 2198b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich } 2199b6b1423c87e457097875dc304fbbe38db6c41abdNick Kralevich 22007c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If shrinking, first adjust for any objects that appear 22017c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // after the new data size. 22027c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t objectsSize = mObjectsSize; 22037c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired < mDataSize) { 22047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 22057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize = 0; 22067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 22077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project while (objectsSize > 0) { 22087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mObjects[objectsSize-1] < desired) 22097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 22107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project objectsSize--; 22117c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22127c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22137c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2214d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mOwner) { 22167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If the size is going to zero, just release the owner's data. 22177c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired == 0) { 22187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project freeData(); 22197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 22207c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // If there is a different owner, we need to take 22237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // posession. 22247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 22257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 22267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 22277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 22287c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 222984e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = NULL; 2230d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22317c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize) { 2232e9881a3961888c4264034473021f42f9f0305026Nick Kralevich objects = (binder_size_t*)calloc(objectsSize, sizeof(binder_size_t)); 22337c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!objects) { 22343f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim free(data); 22353f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 22367c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 22377c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 22387c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22397c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Little hack to only acquire references on objects 22417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // we will be keeping. 22427c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project size_t oldObjectsSize = mObjectsSize; 22437c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 22447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project acquireObjects(); 22457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = oldObjectsSize; 22467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2247d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 22487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mData) { 22497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project memcpy(data, mData, mDataSize < desired ? mDataSize : desired); 22507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects && mObjects) { 225284e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg memcpy(objects, mObjects, objectsSize*sizeof(binder_size_t)); 22537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2254d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn //ALOGI("Freeing data ref of %p (pid=%d)", this, getpid()); 22557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner(this, mData, mDataSize, mObjects, mObjectsSize, mOwnerCookie); 22567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 22577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22587e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: taking ownership of %zu capacity", this, desired); 2259a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 22607e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 22617e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2262a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 22637e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 22647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 22657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 22667c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = (mDataSize < desired) ? mDataSize : desired; 2267d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 22687c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 22697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = mObjectsCapacity = objectsSize; 22707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 22717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (mData) { 22737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objectsSize < mObjectsSize) { 22747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // Need to release refs on any objects we are dropping. 22757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const sp<ProcessState> proc(ProcessState::self()); 22767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=objectsSize; i<mObjectsSize; i++) { 22777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 22787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<flat_binder_object*>(mData+mObjects[i]); 22797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 22807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // will need to rescan because we may have lopped off the only FDs 22817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = false; 22827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2283cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos release_object(proc, *flat, this, &mOpenAshmemSize); 22847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 228584e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg binder_size_t* objects = 228684e625ac1e01f5a9c3ed16664da6498212ed662bArve Hjønnevåg (binder_size_t*)realloc(mObjects, objectsSize*sizeof(binder_size_t)); 22877c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (objects) { 22887c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = objects; 22897c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22907c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = objectsSize; 22917c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 22927c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 22937c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 22947c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // We own the data, so we can just do a realloc(). 22957c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (desired > mDataCapacity) { 22967c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)realloc(mData, desired); 22977c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (data) { 22987e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: continue from %zu to %zu capacity", this, mDataCapacity, 22997e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn desired); 2300a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 23017e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 23027e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize -= mDataCapacity; 2303a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 23047c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 23057c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 23067c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else if (desired > mDataCapacity) { 23077c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 23087c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 23097c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23107c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 231197e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn if (mDataSize > desired) { 231297e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn mDataSize = desired; 2313d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 231497e2bcd76021b31c5064fd3f669bc3f450b4c952Dianne Hackborn } 23157c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (mDataPos > desired) { 23167c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = desired; 2317d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 23187c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23197c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2320d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23217c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } else { 23227c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project // This is the first data. Easy! 23237c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project uint8_t* data = (uint8_t*)malloc(desired); 23247c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (!data) { 23257c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_MEMORY; 23267c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_MEMORY; 23277c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23283f727c0ea3ad1de512c935c6e80423f2115b46c0Hyejin Kim 23297c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if(!(mDataCapacity == 0 && mObjects == NULL 23307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project && mObjectsCapacity == 0)) { 23316f4f3ab36c5ed1df84eb3a9f7475f0ac42952f58Colin Cross ALOGE("continueWrite: %zu/%p/%zu/%zu", mDataCapacity, mObjects, mObjectsCapacity, desired); 23327c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 2333d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn 23347e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: allocating with %zu capacity", this, desired); 2335a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_lock(&gParcelGlobalAllocSizeLock); 23367e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocSize += desired; 23377e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn gParcelGlobalAllocCount++; 2338a4cff88d80bf1acbdbd063af88ecad83a8b9b7b4Dianne Hackborn pthread_mutex_unlock(&gParcelGlobalAllocSizeLock); 23397e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn 23407c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = data; 23417c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = mDataPos = 0; 2342d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data size of %p to %zu", this, mDataSize); 2343d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("continueWrite Setting data pos of %p to %zu", this, mDataPos); 23447c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = desired; 23457c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23467c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23477c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project return NO_ERROR; 23487c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23497c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23507c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::initState() 23517c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 23527e790af756d7891cb1cf1374bb283a8fbcbe6b49Dianne Hackborn LOG_ALLOC("Parcel %p: initState", this); 23537c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mError = NO_ERROR; 23547c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mData = 0; 23557c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataSize = 0; 23567c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataCapacity = 0; 23577c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mDataPos = 0; 2358d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data size of %p to %zu", this, mDataSize); 2359d4ecccfd206604a9b2d8a1220844fc2df85a5998Mark Salyzyn ALOGV("initState Setting data pos of %p to %zu", this, mDataPos); 23607c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjects = NULL; 23617c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsSize = 0; 23627c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mObjectsCapacity = 0; 23637c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mNextObjectHint = 0; 23647c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = false; 23657c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 23668938ed2c8e906fc332301b64787728d4d34da571Dianne Hackborn mAllowFds = true; 23677c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mOwner = NULL; 2368cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos mOpenAshmemSize = 0; 23697c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23707c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 23717c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Projectvoid Parcel::scanForFds() const 23727c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project{ 23737c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project bool hasFds = false; 23747c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project for (size_t i=0; i<mObjectsSize; i++) { 23757c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project const flat_binder_object* flat 23767c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project = reinterpret_cast<const flat_binder_object*>(mData + mObjects[i]); 23777c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project if (flat->type == BINDER_TYPE_FD) { 23787c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project hasFds = true; 23797c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project break; 23807c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23817c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project } 23827c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mHasFds = hasFds; 23837c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project mFdsKnown = true; 23847c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project} 23857c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project 2386aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandlersize_t Parcel::getBlobAshmemSize() const 2387aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler{ 23886bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // This used to return the size of all blobs that were written to ashmem, now we're returning 23896bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // the ashmem currently referenced by this Parcel, which should be equivalent. 23906bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos // TODO: Remove method once ABI can be changed. 23916bb3114246f6f6aa406e65452dbaa12b135029eaAdrian Roos return mOpenAshmemSize; 2392aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 2393aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 2394cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roossize_t Parcel::getOpenAshmemSize() const 2395cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos{ 2396cbf3726357966539c2a685f46e61c3fc8937f19eAdrian Roos return mOpenAshmemSize; 2397aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler} 2398aa5c2346c7291465aaca53f59878582dccbe4835Dan Sandler 23995707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown// --- Parcel::Blob --- 24005707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24015707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::Blob() : 240213b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd(-1), mData(NULL), mSize(0), mMutable(false) { 24035707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24045707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24055707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff BrownParcel::Blob::~Blob() { 24065707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown release(); 24075707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24085707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24095707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::release() { 241013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown if (mFd != -1 && mData) { 24115707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown ::munmap(mData, mSize); 24125707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown } 24135707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown clear(); 24145707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24155707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 241613b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brownvoid Parcel::Blob::init(int fd, void* data, size_t size, bool isMutable) { 241713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = fd; 24185707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = data; 24195707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = size; 242013b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = isMutable; 24215707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24225707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24235707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brownvoid Parcel::Blob::clear() { 242413b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mFd = -1; 24255707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mData = NULL; 24265707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown mSize = 0; 242713b1604018968408bcc5553e1fa5ea9df3e4e009Jeff Brown mMutable = false; 24285707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown} 24295707dbf15d0b44c88fbaa6dd271097f2d42932e0Jeff Brown 24307c1b96a165f970a09ed239bb4fb3f1b0d8f2a40The Android Open Source Project}; // namespace android 2431