1f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/* 2f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 3f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 4f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * this work for additional information regarding copyright ownership. 5f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 6f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * (the "License"); you may not use this file except in compliance with 7f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * the License. You may obtain a copy of the License at 8f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 9f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * 11f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * See the License for the specific language governing permissions and 15f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * limitations under the License. 16f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 17f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 18f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpackage org.apache.harmony.xnet.provider.jsse; 19f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 20f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport org.apache.harmony.xnet.provider.jsse.AlertException; 21f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 22f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport java.nio.ByteBuffer; 23f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectimport javax.net.ssl.SSLException; 24f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 25f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project/** 26f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * This class is used to retrieve the application data 27f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * arrived for the SSLEngine. 28f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 29f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Projectpublic class SSLEngineAppData implements org.apache.harmony.xnet.provider.jsse.Appendable { 30f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 31f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 32f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Buffer containing received application data. 33f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 34f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project byte[] buffer; 35f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 36f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 37f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Constructor 38f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 39f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project protected SSLEngineAppData() {} 40f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 41f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 42f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Stores received data. The source data is not cloned, 43f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * just the array reference is remembered into the buffer field. 44f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 45f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project public void append(byte[] src) { 46f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (buffer != null) { 47f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new AlertException( 48f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project AlertProtocol.INTERNAL_ERROR, 49f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project new SSLException("Attempt to override the data")); 50f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 51f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project buffer = src; 52f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 53f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 54f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project /** 55f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * Places the data from the buffer into the array of destination 56f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project * ByteBuffer objects. 57f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project */ 58f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project protected int placeTo(ByteBuffer[] dsts, int offset, int length) { 59f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (buffer == null) { 60f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return 0; 61f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 62f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int pos = 0; 63f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int len = buffer.length; 64f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project int rem; 65f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // write data to the buffers 66f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project for (int i=offset; i<offset+length; i++) { 67f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project rem = dsts[i].remaining(); 68f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // TODO: optimization work - use hasArray, array(), arraycopy 69f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (len - pos < rem) { 70f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // can fully write remaining data into buffer 71f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project dsts[i].put(buffer, pos, len - pos); 72f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project pos = len; 73f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // data was written, exit 74f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project break; 75f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 76a055db83f05034fcd5564ab5930e8d16d4ececfbJesse Wilson // write chunk of data 77a055db83f05034fcd5564ab5930e8d16d4ececfbJesse Wilson dsts[i].put(buffer, pos, rem); 78a055db83f05034fcd5564ab5930e8d16d4ececfbJesse Wilson pos += rem; 79f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 80f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project if (pos != len) { 81f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // The data did not feet into the buffers, 82f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // it should not happen, because the destination buffers 83f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // had been checked for the space before record unwrapping. 84f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project // But if it so, we should allert about internal error. 85f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project throw new AlertException( 86f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project AlertProtocol.INTERNAL_ERROR, 87f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project new SSLException( 88f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project "The received application data could not be fully written" 89f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project + "into the destination buffers")); 90f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 91f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project buffer = null; 92f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project return len; 93f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project } 94f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project} 95f6c387128427e121477c1b32ad35cdcaa5101ba3The Android Open Source Project 96