1 /*
2 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
31 import java.io.*;
32 import sun.security.util.*;
33
34 public class BadValue {
35
36 public static void main(String[] args) throws Exception {
37
38 // Test IOUtils.readFully
39
40 // We have 4 bytes
41 InputStream in = new ByteArrayInputStream(new byte[10]);
42 byte[] bs = IOUtils.readFully(in, 4, true);
43 if (bs.length != 4 || in.available() != 6) {
44 throw new Exception("First read error");
45 }
46 // But only 6 left
47 bs = IOUtils.readFully(in, 10, false);
48 if (bs.length != 6 || in.available() != 0) {
49 throw new Exception("Second read error");
50 }
51 // MAX read as much as it can
52 in = new ByteArrayInputStream(new byte[10]);
53 bs = IOUtils.readFully(in, Integer.MAX_VALUE, true);
54 if (bs.length != 10 || in.available() != 0) {
55 throw new Exception("Second read error");
56 }
57 // MAX ignore readAll
58 in = new ByteArrayInputStream(new byte[10]);
59 bs = IOUtils.readFully(in, Integer.MAX_VALUE, false);
60 if (bs.length != 10 || in.available() != 0) {
61 throw new Exception("Second read error");
62 }
63 // 20>10, readAll means failure
64 in = new ByteArrayInputStream(new byte[10]);
65 try {
66 bs = IOUtils.readFully(in, 20, true);
67 throw new Exception("Third read error");
68 } catch (EOFException e) {
69 // OK
70 }
71 int bignum = 10 * 1024 * 1024;
72 bs = IOUtils.readFully(new SuperSlowStream(bignum), -1, true);
73 if (bs.length != bignum) {
74 throw new Exception("Fourth read error");
75 }
76
77 // Test DerValue
78 byte[] input = {0x04, (byte)0x84, 0x40, 0x00, 0x42, 0x46, 0x4b};
79 try {
80 new DerValue(new ByteArrayInputStream(input));
81 } catch (IOException ioe) {
82 // This is OK
83 }
84 }
85 }
86
87 /**
88 * An InputStream contains a given number of bytes, but only returns one byte
89 * per read.
90 */
91 class SuperSlowStream extends InputStream {
92 private int p;
93 /**
94 * @param Initial capacity
|
1 /*
2 * Copyright (c) 2009, 2017 Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
31 import java.io.*;
32 import sun.security.util.*;
33
34 public class BadValue {
35
36 public static void main(String[] args) throws Exception {
37
38 // Test IOUtils.readFully
39
40 // We have 4 bytes
41 InputStream in = new ByteArrayInputStream(new byte[10]);
42 byte[] bs = IOUtils.readFully(in, 4, true);
43 if (bs.length != 4 || in.available() != 6) {
44 throw new Exception("First read error");
45 }
46 // But only 6 left
47 bs = IOUtils.readFully(in, 10, false);
48 if (bs.length != 6 || in.available() != 0) {
49 throw new Exception("Second read error");
50 }
51 // MAX length results in exception
52 in = new ByteArrayInputStream(new byte[10]);
53 try {
54 bs = IOUtils.readFully(in, Integer.MAX_VALUE, true);
55 throw new Exception("No exception on MAX_VALUE length");
56 } catch (EOFException ex) {
57 // this is expected
58 } catch (Exception ex) {
59 throw ex;
60 }
61 // -1 length results in exception
62 in = new ByteArrayInputStream(new byte[10]);
63 try {
64 bs = IOUtils.readFully(in, -1, true);
65 throw new Exception("No exception on -1 length");
66 } catch (IndexOutOfBoundsException ex) {
67 // this is expected
68 } catch (Exception ex) {
69 throw ex;
70 }
71
72 // 20>10, readAll means failure
73 in = new ByteArrayInputStream(new byte[10]);
74 try {
75 bs = IOUtils.readFully(in, 20, true);
76 throw new Exception("No exception on EOF");
77 } catch (EOFException e) {
78 // OK
79 }
80 int bignum = 10 * 1024 * 1024;
81 bs = IOUtils.readFully(new SuperSlowStream(bignum), bignum, true);
82 if (bs.length != bignum) {
83 throw new Exception("Read returned small array");
84 }
85
86 // Test DerValue
87 byte[] input = {0x04, (byte)0x84, 0x40, 0x00, 0x42, 0x46, 0x4b};
88 try {
89 new DerValue(new ByteArrayInputStream(input));
90 } catch (IOException ioe) {
91 // This is OK
92 }
93 }
94 }
95
96 /**
97 * An InputStream contains a given number of bytes, but only returns one byte
98 * per read.
99 */
100 class SuperSlowStream extends InputStream {
101 private int p;
102 /**
103 * @param Initial capacity
|