1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
|
/*
* Copyright (c) 2004, 2008, 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.
*/
import java.io.*;
import java.awt.*;
public class DeleteFont {
public static void main(String args[]) throws Exception {
String font = "A.ttf";
String sep = System.getProperty("file.separator");
String testSrc = System.getenv("TESTSRC");
if (testSrc != null) {
font = testSrc + sep + font;
}
System.out.println("Using font file: " + font);
FileInputStream fis = new FileInputStream(font);
Font f = Font.createFont(Font.TRUETYPE_FONT, fis);
f.toString();
f.deriveFont(Font.BOLD);
f.canDisplay('X');
InputStream in = new InputStream() {
public int read() {
throw new RuntimeException();
}
};
boolean gotException = false;
try {
Font.createFont(java.awt.Font.TRUETYPE_FONT, in);
} catch (IOException e) {
gotException = true;
}
if (!gotException) {
throw new RuntimeException("No expected IOException");
}
badRead(-2, Font.TRUETYPE_FONT);
badRead(8193, Font.TRUETYPE_FONT);
badRead(-2, Font.TYPE1_FONT);
badRead(8193, Font.TYPE1_FONT);
// Make sure GC has a chance to clean up before we exit.
System.gc(); System.gc();
}
static void badRead(final int retval, int fontType) {
int num = 2;
byte[] buff = new byte[16*8192]; // Multiple of 8192 is important.
for (int ct=0; ct<num; ++ct) {
try {
Font.createFont(
fontType,
new ByteArrayInputStream(buff) {
@Override
public int read(byte[] buff, int off, int len) {
int read = super.read(buff, off, len);
return read<0 ? retval : read;
}
}
);
} catch (Throwable exc) {
//exc.printStackTrace();
}
}
}
}
|
