8232853: AuthenticationFilter.Cache::remove may throw ConcurrentModificationException
Summary: Change implementation to use iterator instead of plain LinkedList
Reviewed-by: dfuchs, vtewari
/*
* Copyright (c) 2007, 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.
*/
/*
* @test
* @bug 6648972
* @summary KDCReq.init always read padata
* @modules java.base/sun.security.util
* java.security.jgss/sun.security.krb5.internal
*/
import sun.security.krb5.internal.ETypeInfo2;
import sun.security.krb5.internal.KDCReq;
import sun.security.util.DerValue;
public class OptionPADataInKDCReq {
public static void main(String[] args) throws Exception {
/*
* This is a AS-REQ block without padata. The content is --
[APPLICATION 10] SEQUENCE {
[1] INTEGER 5
[2] INTEGER 10
[4] SEQUENCE {
[0] BIT STRING 01000000 10000001 00000000 00010000
[1] SEQUENCE {
[0] INTEGER 1
[1] SEQUENCE {
STRING administrator
}
}
[2] STRING N3
[3] SEQUENCE {
[0] INTEGER 2
[1] SEQUENCE {
STRING krbtgt
STRING N3
}
}
[5] TIME Sun Sep 13 10:48:05 CST 2037
[6] TIME Sun Sep 13 10:48:05 CST 2037
[7] INTEGER 2101281516
[8] SEQUENCE {
INTEGER 23
INTEGER -133
INTEGER -128
INTEGER 3
INTEGER 1
INTEGER 24
INTEGER -135
}
[9] SEQUENCE {
SEQUENCE {
[0] INTEGER 20
[1] OCTET STRING
0000: 58 50 20 20 20 20 20 20 20 20 20 20 20 20 20 20 XP
}
}
}
}
*/
byte[] b = {
(byte)0x6a, (byte)0x81, (byte)0xbf, (byte)0x30, (byte)0x81, (byte)0xbc, (byte)0xa1, (byte)0x03,
(byte)0x02, (byte)0x01, (byte)0x05, (byte)0xa2, (byte)0x03, (byte)0x02, (byte)0x01, (byte)0x0a,
(byte)0xa4, (byte)0x81, (byte)0xaf, (byte)0x30, (byte)0x81, (byte)0xac, (byte)0xa0, (byte)0x07,
(byte)0x03, (byte)0x05, (byte)0x00, (byte)0x40, (byte)0x81, (byte)0x00, (byte)0x10, (byte)0xa1,
(byte)0x1a, (byte)0x30, (byte)0x18, (byte)0xa0, (byte)0x03, (byte)0x02, (byte)0x01, (byte)0x01,
(byte)0xa1, (byte)0x11, (byte)0x30, (byte)0x0f, (byte)0x1b, (byte)0x0d, (byte)0x61, (byte)0x64,
(byte)0x6d, (byte)0x69, (byte)0x6e, (byte)0x69, (byte)0x73, (byte)0x74, (byte)0x72, (byte)0x61,
(byte)0x74, (byte)0x6f, (byte)0x72, (byte)0xa2, (byte)0x04, (byte)0x1b, (byte)0x02, (byte)0x4e,
(byte)0x33, (byte)0xa3, (byte)0x17, (byte)0x30, (byte)0x15, (byte)0xa0, (byte)0x03, (byte)0x02,
(byte)0x01, (byte)0x02, (byte)0xa1, (byte)0x0e, (byte)0x30, (byte)0x0c, (byte)0x1b, (byte)0x06,
(byte)0x6b, (byte)0x72, (byte)0x62, (byte)0x74, (byte)0x67, (byte)0x74, (byte)0x1b, (byte)0x02,
(byte)0x4e, (byte)0x33, (byte)0xa5, (byte)0x11, (byte)0x18, (byte)0x0f, (byte)0x32, (byte)0x30,
(byte)0x33, (byte)0x37, (byte)0x30, (byte)0x39, (byte)0x31, (byte)0x33, (byte)0x30, (byte)0x32,
(byte)0x34, (byte)0x38, (byte)0x30, (byte)0x35, (byte)0x5a, (byte)0xa6, (byte)0x11, (byte)0x18,
(byte)0x0f, (byte)0x32, (byte)0x30, (byte)0x33, (byte)0x37, (byte)0x30, (byte)0x39, (byte)0x31,
(byte)0x33, (byte)0x30, (byte)0x32, (byte)0x34, (byte)0x38, (byte)0x30, (byte)0x35, (byte)0x5a,
(byte)0xa7, (byte)0x06, (byte)0x02, (byte)0x04, (byte)0x7d, (byte)0x3f, (byte)0x02, (byte)0xec,
(byte)0xa8, (byte)0x19, (byte)0x30, (byte)0x17, (byte)0x02, (byte)0x01, (byte)0x17, (byte)0x02,
(byte)0x02, (byte)0xff, (byte)0x7b, (byte)0x02, (byte)0x01, (byte)0x80, (byte)0x02, (byte)0x01,
(byte)0x03, (byte)0x02, (byte)0x01, (byte)0x01, (byte)0x02, (byte)0x01, (byte)0x18, (byte)0x02,
(byte)0x02, (byte)0xff, (byte)0x79, (byte)0xa9, (byte)0x1d, (byte)0x30, (byte)0x1b, (byte)0x30,
(byte)0x19, (byte)0xa0, (byte)0x03, (byte)0x02, (byte)0x01, (byte)0x14, (byte)0xa1, (byte)0x12,
(byte)0x04, (byte)0x10, (byte)0x58, (byte)0x50, (byte)0x20, (byte)0x20, (byte)0x20, (byte)0x20,
(byte)0x20, (byte)0x20, (byte)0x20, (byte)0x20, (byte)0x20, (byte)0x20, (byte)0x20, (byte)0x20,
(byte)0x20, (byte)0x20,
};
new KDCReq(b, 0x0a);
/*
* This is a fake ETYPEINFO2 block with no salt
SEQUENCE {
[0] INTEGER 0
[2] OCTET STRING 0000: 00 .
}
*/
byte[] b2 = {
(byte)0x30, (byte)0x0a, (byte)0xa0, (byte)0x03, (byte)0x02, (byte)0x01, (byte)0x00, (byte)0xa2,
(byte)0x03, (byte)0x04, (byte)0x01, (byte)0x00,
};
ETypeInfo2 e2 = new ETypeInfo2(new DerValue(b2));
if (e2.getSalt() != null || e2.getParams() == null) {
throw new Exception("ETypeInfo2 decoding error");
}
}
}