1822N/A/*
2362N/A * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
1822N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1822N/A *
1822N/A * This code is free software; you can redistribute it and/or modify it
1822N/A * under the terms of the GNU General Public License version 2 only, as
1822N/A * published by the Free Software Foundation.
1822N/A *
1822N/A * This code is distributed in the hope that it will be useful, but WITHOUT
1822N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1822N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1822N/A * version 2 for more details (a copy is included in the LICENSE file that
1822N/A * accompanied this code).
1822N/A *
1822N/A * You should have received a copy of the GNU General Public License version
1822N/A * 2 along with this work; if not, write to the Free Software Foundation,
1822N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1822N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
1822N/A */
1822N/A
1822N/A/*
1822N/A * @test
1822N/A * @bug 6864911
1822N/A * @summary ASN.1/DER input stream parser needs more work
1822N/A */
1822N/A
1822N/Aimport java.io.*;
1822N/Aimport sun.security.util.*;
1822N/Aimport sun.misc.IOUtils;
1822N/A
1822N/Apublic class BadValue {
1822N/A
1822N/A public static void main(String[] args) throws Exception {
1822N/A
1822N/A // Test IOUtils.readFully
1822N/A
1822N/A // We have 4 bytes
1822N/A InputStream in = new ByteArrayInputStream(new byte[10]);
1822N/A byte[] bs = IOUtils.readFully(in, 4, true);
1822N/A if (bs.length != 4 || in.available() != 6) {
1822N/A throw new Exception("First read error");
1822N/A }
1822N/A // But only 6 left
1822N/A bs = IOUtils.readFully(in, 10, false);
1822N/A if (bs.length != 6 || in.available() != 0) {
1822N/A throw new Exception("Second read error");
1822N/A }
1822N/A // MAX read as much as it can
1822N/A in = new ByteArrayInputStream(new byte[10]);
1822N/A bs = IOUtils.readFully(in, Integer.MAX_VALUE, true);
1822N/A if (bs.length != 10 || in.available() != 0) {
1822N/A throw new Exception("Second read error");
1822N/A }
1822N/A // MAX ignore readAll
1822N/A in = new ByteArrayInputStream(new byte[10]);
1822N/A bs = IOUtils.readFully(in, Integer.MAX_VALUE, false);
1822N/A if (bs.length != 10 || in.available() != 0) {
1822N/A throw new Exception("Second read error");
1822N/A }
1822N/A // 20>10, readAll means failure
1822N/A in = new ByteArrayInputStream(new byte[10]);
1822N/A try {
1822N/A bs = IOUtils.readFully(in, 20, true);
1822N/A throw new Exception("Third read error");
1822N/A } catch (EOFException e) {
1822N/A // OK
1822N/A }
1822N/A int bignum = 10 * 1024 * 1024;
1822N/A bs = IOUtils.readFully(new SuperSlowStream(bignum), -1, true);
1822N/A if (bs.length != bignum) {
1822N/A throw new Exception("Fourth read error");
1822N/A }
1822N/A
1822N/A // Test DerValue
1822N/A byte[] input = {0x04, (byte)0x84, 0x40, 0x00, 0x42, 0x46, 0x4b};
1822N/A try {
1822N/A new DerValue(new ByteArrayInputStream(input));
1822N/A } catch (IOException ioe) {
1822N/A // This is OK
1822N/A }
1822N/A }
1822N/A}
1822N/A
1822N/A/**
1822N/A * An InputStream contains a given number of bytes, but only returns one byte
1822N/A * per read.
1822N/A */
1822N/Aclass SuperSlowStream extends InputStream {
1822N/A private int p;
1822N/A /**
1822N/A * @param Initial capacity
1822N/A */
1822N/A public SuperSlowStream(int capacity) {
1822N/A p = capacity;
1822N/A }
1822N/A @Override
1822N/A public int read() throws IOException {
1822N/A if (p > 0) {
1822N/A p--;
1822N/A return 0;
1822N/A } else {
1822N/A return -1;
1822N/A }
1822N/A }
1822N/A @Override
1822N/A public int read(byte b[], int off, int len) throws IOException {
1822N/A if (len == 0) return 0;
1822N/A if (p > 0) {
1822N/A p--;
1822N/A b[off] = 0;
1822N/A return 1;
1822N/A } else {
1822N/A return -1;
1822N/A }
1822N/A }
1822N/A}