| /* |
| * Copyright 2014 Google, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package parse.jdk7156085; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.IOException; |
| import javax.xml.parsers.SAXParser; |
| import javax.xml.parsers.SAXParserFactory; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.helpers.DefaultHandler; |
| import org.testng.annotations.Test; |
| |
| /** |
| * JDK-7156085: ArrayIndexOutOfBoundsException throws in UTF8Reader of SAXParser |
| * https://bugs.openjdk.java.net/browse/JDK-7156085 |
| * |
| * XERCESJ-1257: buffer overflow in UTF8Reader for characters out of BMP |
| * https://issues.apache.org/jira/browse/XERCESJ-1257 |
| */ |
| public class UTF8ReaderBug { |
| @Test |
| public void shouldAcceptSupplementaryCharacters() throws Throwable { |
| StringBuilder b = new StringBuilder("<xml>"); |
| for(int i = 5; i < 8223; i++) { |
| b.append(' '); |
| } |
| // Add surrogate characters which overflow the buffer. This shows the need to place an |
| // overflow check at -- |
| // com.sun.org.apache.xerces.internal.impl.io.UTF8Reader.read(UTF8Reader.java:544) |
| b.append("\uD835\uDC37"); |
| b.append("</xml>"); |
| sendToParser(b.toString()); |
| } |
| |
| private static void sendToParser(String b) throws Throwable { |
| byte[] input = b.getBytes("UTF-8"); |
| ByteArrayInputStream in = new ByteArrayInputStream(input); |
| |
| SAXParserFactory spf = SAXParserFactory.newInstance(); |
| SAXParser p = spf.newSAXParser(); |
| p.parse(new InputSource(in), new DefaultHandler()); |
| } |
| } |