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Diffstat (limited to 'libjava/org/ietf/jgss/Oid.java')
| -rw-r--r-- | libjava/org/ietf/jgss/Oid.java | 385 |
1 files changed, 0 insertions, 385 deletions
diff --git a/libjava/org/ietf/jgss/Oid.java b/libjava/org/ietf/jgss/Oid.java deleted file mode 100644 index 27719bb367a..00000000000 --- a/libjava/org/ietf/jgss/Oid.java +++ /dev/null @@ -1,385 +0,0 @@ -/* Oid.java -- Object identifier class. - Copyright (C) 2004 Free Software Foundation, Inc. - -This file is part of GNU Classpath. - -GNU Classpath is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2, or (at your option) -any later version. - -GNU Classpath 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 for more details. - -You should have received a copy of the GNU General Public License -along with GNU Classpath; see the file COPYING. If not, write to the -Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301 USA. - -Linking this library statically or dynamically with other modules is -making a combined work based on this library. Thus, the terms and -conditions of the GNU General Public License cover the whole -combination. - -As a special exception, the copyright holders of this library give you -permission to link this library with independent modules to produce an -executable, regardless of the license terms of these independent -modules, and to copy and distribute the resulting executable under -terms of your choice, provided that you also meet, for each linked -independent module, the terms and conditions of the license of that -module. An independent module is a module which is not derived from -or based on this library. If you modify this library, you may extend -this exception to your version of the library, but you are not -obligated to do so. If you do not wish to do so, delete this -exception statement from your version. */ - -/* The documentation comments of this class are derived from the text - of RFC 2853: Generic Security Service API Version 2: Java Bindings. - That document is covered under the following license notice: - -Copyright (C) The Internet Society (2000). All Rights Reserved. - -This document and translations of it may be copied and furnished to -others, and derivative works that comment on or otherwise explain it -or assist in its implementation may be prepared, copied, published and -distributed, in whole or in part, without restriction of any kind, -provided that the above copyright notice and this paragraph are -included on all such copies and derivative works. However, this -document itself may not be modified in any way, such as by removing -the copyright notice or references to the Internet Society or other -Internet organizations, except as needed for the purpose of developing -Internet standards in which case the procedures for copyrights defined -in the Internet Standards process must be followed, or as required to -translate it into languages other than English. - -The limited permissions granted above are perpetual and will not be -revoked by the Internet Society or its successors or assigns. - -This document and the information contained herein is provided on an -"AS IS" basis and THE INTERNET SOCIETY AND THE INTERNET ENGINEERING -TASK FORCE DISCLAIMS ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT -NOT LIMITED TO ANY WARRANTY THAT THE USE OF THE INFORMATION HEREIN -WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF -MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. */ - - -package org.ietf.jgss; - -import java.io.ByteArrayInputStream; -import java.io.ByteArrayOutputStream; -import java.io.DataInputStream; -import java.io.InputStream; -import java.io.IOException; -import java.io.OutputStream; - -import java.math.BigInteger; - -import java.util.Arrays; -import java.util.StringTokenizer; - -/** - * <p>This class represents Universal Object Identifiers (Oids) and their - * associated operations.</p> - * - * <p>Oids are hierarchically globally-interpretable identifiers used - * within the GSS-API framework to identify mechanisms and name formats.</p> - * - * <p>The structure and encoding of Oids is defined in ISOIEC-8824 and - * ISOIEC-8825. For example the Oid representation of Kerberos V5 - * mechanism is "1.2.840.113554.1.2.2".</p> - * - * <p>The {@link GSSName} name class contains <code>public static Oid</code> - * objects representing the standard name types defined in GSS-API.</p> - */ -public class Oid -{ - - // Constants and fields. - // ------------------------------------------------------------------------- - - private static final int OBJECT_IDENTIFIER = 0x06; - private static final int RELATIVE_OID = 0x0d; - - private final int[] components; - private byte[] derOid; - private String strOid; - private boolean relative; - - // Constructors. - // ------------------------------------------------------------------------- - - /** - * Creates an Oid object from a string representation of its integer - * components (e.g. "1.2.840.113554.1.2.2"). - * - * @param strOid The string representation for the oid. - * @throws GSSException If the argument is badly formed. - */ - public Oid(String strOid) throws GSSException - { - if (strOid == null) - throw new NullPointerException(); - this.strOid = strOid; - try - { - StringTokenizer tok = new StringTokenizer(strOid, "."); - components = new int[tok.countTokens()]; - int i = 0; - while (tok.hasMoreTokens() && i < components.length) - { - components[i++] = Integer.parseInt(tok.nextToken()); - } - } - catch (Exception x) - { - throw new GSSException(GSSException.FAILURE); - } - relative = false; - } - - /** - * Creates an Oid object from its DER encoding. This refers to the full - * encoding including tag and length. The structure and encoding of - * Oids is defined in ISOIEC-8824 and ISOIEC-8825. This method is - * identical in functionality to its byte array counterpart. - * - * @param derOid Stream containing the DER encoded oid. - * @throws GSSException If the DER stream is badly formed, or if the - * input stream throws an exception. - */ - public Oid(InputStream derOid) throws GSSException - { - DataInputStream in = new DataInputStream(derOid); - try - { - int tag = in.read() & 0x1F; - if (tag != OBJECT_IDENTIFIER && tag != RELATIVE_OID) - throw new IOException(); - int len = in.read(); - if ((len & ~0x7F) != 0) - { - byte[] buf = new byte[len & 0x7F]; - in.readFully(buf); - len = new BigInteger(1, buf).intValue(); - } - if (len < 0) - throw new IOException(); - byte[] enc = new byte[len]; - in.readFully(enc); - int[] comp = new int[len + 1]; - int count = 0; - int i = 0; - relative = tag == RELATIVE_OID; - if (!relative && i < len) - { - int j = (enc[i] & 0xFF); - comp[count++] = j / 40; - comp[count++] = j % 40; - i++; - } - while (i < len) - { - int j = 0; - do - { - j = enc[i++] & 0xFF; - comp[count] <<= 7; - comp[count] |= j & 0x7F; - if (i >= len && (j & 0x80) != 0) - throw new IOException(); - } - while ((j & 0x80) != 0); - count++; - } - if (count == len) - this.components = comp; - else - { - this.components = new int[count]; - System.arraycopy(comp, 0, components, 0, count); - } - } - catch (IOException ioe) - { - throw new GSSException(GSSException.FAILURE); - } - } - - /** - * Creates an Oid object from its DER encoding. This refers to the full - * encoding including tag and length. The structure and encoding of - * Oids is defined in ISOIEC-8824 and ISOIEC-8825. This method is - * identical in functionality to its streaming counterpart. - * - * @param derOid Byte array storing a DER encoded oid. - * @throws GSSException If the DER bytes are badly formed. - */ - public Oid(byte[] derOid) throws GSSException - { - this(new ByteArrayInputStream(derOid)); - this.derOid = (byte[]) derOid.clone(); - } - - Oid(int[] components) - { - this.components = components; - relative = false; - } - - // Instance methods. - // ------------------------------------------------------------------------- - - /** - * Returns a string representation of the oid's integer components in - * dot separated notation (e.g. "1.2.840.113554.1.2.2"). - * - * @return The string representation of this oid. - */ - public String toString() - { - if (strOid == null) - { - StringBuffer buf = new StringBuffer(); - for (int i = 0; i < components.length; i++) - { - buf.append(components[i]); - if (i < components.length - 1) - buf.append('.'); - } - strOid = buf.toString(); - } - return strOid; - } - - /** - * Returns the full ASN.1 DER encoding for this oid object, which - * includes the tag and length. - * - * @return The ASN.1 DER encoding for this oid. - * @throws GSSException If encoding fails. - */ - public byte[] getDER() throws GSSException - { - if (derOid == null) - { - ByteArrayOutputStream out = new ByteArrayOutputStream(256); - try - { - int i = 0; - if (!relative) - { - int b = components[i++] * 40 + (components.length > 1 - ? components[i++] : 0); - encodeSubId(out, b); - } - for ( ; i < components.length; i++) - encodeSubId(out, components[i]); - byte[] oid = out.toByteArray(); - out.reset(); - if (relative) - out.write(RELATIVE_OID); - else - out.write(OBJECT_IDENTIFIER); - if (oid.length < 128) - out.write(oid.length); - else if (oid.length < 256) - { - out.write(0x81); - out.write(oid.length); - } - else if (oid.length < 65536) - { - out.write(0x82); - out.write((oid.length >>> 8) & 0xFF); - out.write(oid.length & 0xFF); - } - else if (oid.length < 16777216) - { - out.write(0x83); - out.write((oid.length >>> 16) & 0xFF); - out.write((oid.length >>> 8) & 0xFF); - out.write(oid.length & 0xFF); - } - else - { - out.write(0x84); - out.write((oid.length >>> 24) & 0xFF); - out.write((oid.length >>> 16) & 0xFF); - out.write((oid.length >>> 8) & 0xFF); - out.write(oid.length & 0xFF); - } - out.write(oid); - } - catch (IOException ioe) - { - throw new GSSException(GSSException.FAILURE); - } - derOid = out.toByteArray(); - } - return (byte[]) derOid.clone(); - } - - /** - * A utility method to test if an Oid object is contained within the - * supplied Oid object array. - * - * @param oids An array of oids to search. - * @return True if this oid is contained in the given array. - */ - public boolean containedIn(Oid[] oids) - { - for (int i = 0; i < oids.length; i++) - { - if (equals(oids[i])) - return true; - } - return false; - } - - public boolean equals(Object o) - { - if (!(o instanceof Oid)) - return false; - Oid that = (Oid) o; - return Arrays.equals(components, that.components); - } - - public int hashCode() - { - int code = 0; - for (int i = 0; i < components.length; i++) - code += components[i]; - return code; - } - - // Own methods. - // ------------------------------------------------------------------------- - - private static void encodeSubId(OutputStream out, int id) throws IOException - { - if (id < 128) - { - out.write(id); - } - else if (id < 16384) - { - out.write((id >>> 7) | 0x80); - out.write(id & 0x7F); - } - else if (id < 2097152) - { - out.write((id >>> 14) | 0x80); - out.write(((id >>> 7) | 0x80) & 0xFF); - out.write(id & 0x7F); - } - else if (id < 268435456) - { - out.write( (id >>> 21) | 0x80); - out.write(((id >>> 14) | 0x80) & 0xFF); - out.write(((id >>> 7) | 0x80) & 0xFF); - out.write(id & 0x7F); - } - } -} |
