127 lines
3.8 KiB
Java
127 lines
3.8 KiB
Java
/*
|
|
* Copyright (c) 2009, 2019, Oracle and/or its affiliates. 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.
|
|
*/
|
|
|
|
/*
|
|
* @test
|
|
* @bug 6864911
|
|
* @summary ASN.1/DER input stream parser needs more work
|
|
* @modules java.base/sun.security.util
|
|
*/
|
|
|
|
import java.io.*;
|
|
import sun.security.util.*;
|
|
|
|
public class BadValue {
|
|
|
|
public static void main(String[] args) throws Exception {
|
|
|
|
// Test IOUtils.
|
|
|
|
// We have 4 bytes
|
|
InputStream in = new ByteArrayInputStream(new byte[10]);
|
|
byte[] bs = IOUtils.readExactlyNBytes(in, 4);
|
|
if (bs.length != 4 || in.available() != 6) {
|
|
throw new Exception("First read error");
|
|
}
|
|
// But only 6 left
|
|
bs = in.readNBytes(10);
|
|
if (bs.length != 6 || in.available() != 0) {
|
|
throw new Exception("Second read error");
|
|
}
|
|
// MAX length results in exception
|
|
in = new ByteArrayInputStream(new byte[10]);
|
|
try {
|
|
bs = IOUtils.readExactlyNBytes(in, Integer.MAX_VALUE);
|
|
throw new Exception("No exception on MAX_VALUE length");
|
|
} catch (EOFException ex) {
|
|
// this is expected
|
|
} catch (IOException ex) {
|
|
throw ex;
|
|
}
|
|
// -1 length results in exception
|
|
in = new ByteArrayInputStream(new byte[10]);
|
|
try {
|
|
bs = IOUtils.readExactlyNBytes(in, -1);
|
|
throw new Exception("No exception on -1 length");
|
|
} catch (IOException ex) {
|
|
// this is expected
|
|
}
|
|
|
|
// 20>10, readAll means failure
|
|
in = new ByteArrayInputStream(new byte[10]);
|
|
try {
|
|
bs = IOUtils.readExactlyNBytes(in, 20);
|
|
throw new Exception("No exception on EOF");
|
|
} catch (EOFException e) {
|
|
// OK
|
|
}
|
|
int bignum = 10 * 1024 * 1024;
|
|
bs = IOUtils.readExactlyNBytes(new SuperSlowStream(bignum), bignum);
|
|
if (bs.length != bignum) {
|
|
throw new Exception("Read returned small array");
|
|
}
|
|
|
|
// Test DerValue
|
|
byte[] input = {0x04, (byte)0x84, 0x40, 0x00, 0x42, 0x46, 0x4b};
|
|
try {
|
|
new DerValue(new ByteArrayInputStream(input));
|
|
} catch (IOException ioe) {
|
|
// This is OK
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* An InputStream contains a given number of bytes, but only returns one byte
|
|
* per read.
|
|
*/
|
|
class SuperSlowStream extends InputStream {
|
|
private int p;
|
|
/**
|
|
* @param Initial capacity
|
|
*/
|
|
public SuperSlowStream(int capacity) {
|
|
p = capacity;
|
|
}
|
|
@Override
|
|
public int read() throws IOException {
|
|
if (p > 0) {
|
|
p--;
|
|
return 0;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
@Override
|
|
public int read(byte b[], int off, int len) throws IOException {
|
|
if (len == 0) return 0;
|
|
if (p > 0) {
|
|
p--;
|
|
b[off] = 0;
|
|
return 1;
|
|
} else {
|
|
return -1;
|
|
}
|
|
}
|
|
}
|