mirror of
https://github.com/autc04/Retro68.git
synced 2024-11-28 05:51:04 +00:00
449 lines
14 KiB
Java
449 lines
14 KiB
Java
/* GSSException.java -- a general exception in GSS.
|
|
Copyright (C) 2004, 2005 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.util.PropertyResourceBundle;
|
|
import java.util.ResourceBundle;
|
|
|
|
/**
|
|
* This exception is thrown whenever a fatal GSS-API error occurs
|
|
* including mechanism specific errors. It may contain both, the major
|
|
* and minor, GSS-API status codes. The mechanism implementers are
|
|
* responsible for setting appropriate minor status codes when throwing
|
|
* this exception. Aside from delivering the numeric error code(s) to
|
|
* the caller, this class performs the mapping from their numeric values
|
|
* to textual representations. All Java GSS-API methods are declared
|
|
* throwing this exception.
|
|
*
|
|
* @specnote Some of the constant values defined in this class were
|
|
* chosen to be compatible with J2SE 1.4, and not with RFC 2853.
|
|
*/
|
|
public class GSSException extends Exception
|
|
{
|
|
/**
|
|
* For compatability with Sun's JDK 1.4.2 rev. 5
|
|
*/
|
|
private static final long serialVersionUID = -2706218945227726672L;
|
|
|
|
// Constants and fields.
|
|
// -------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Channel bindings mismatch error.
|
|
* @specnote Should be 4 according to RFC 2853.
|
|
*/
|
|
public static final int BAD_BINDINGS = 1;
|
|
|
|
/**
|
|
* Unsupported mechanism requested error.
|
|
* @specnote Should be 1 according to RFC 2853.
|
|
*/
|
|
public static final int BAD_MECH = 2;
|
|
|
|
/**
|
|
* Invalid name provided error.
|
|
* @specnote Should be 2 according to RFC 2853.
|
|
*/
|
|
public static final int BAD_NAME = 3;
|
|
|
|
/**
|
|
* Name of unsupported type provided error.
|
|
* @specnote Should be 3 according to RFC 2853.
|
|
*/
|
|
public static final int BAD_NAMETYPE = 4;
|
|
|
|
/**
|
|
* Invalid status code error - this is the default status value.
|
|
*/
|
|
public static final int BAD_STATUS = 5;
|
|
|
|
/**
|
|
* Token had invalid integrity check error.
|
|
*/
|
|
public static final int BAD_MIC = 6;
|
|
|
|
/**
|
|
* Specified security context expired error.
|
|
* @specnote Should be 12 according to RFC 2853.
|
|
*/
|
|
public static final int CONTEXT_EXPIRED = 7;
|
|
|
|
/**
|
|
* Expired credentials detected error.
|
|
* @specnote Should be 11 according to RFC 2853.
|
|
*/
|
|
public static final int CREDENTIALS_EXPIRED = 8;
|
|
|
|
/**
|
|
* Defective credential error.
|
|
* @specnote Should be 10 according to RFC 2853.
|
|
*/
|
|
public static final int DEFECTIVE_CREDENTIAL = 9;
|
|
|
|
/**
|
|
* Defective token error.
|
|
* @specnote Should be 9 according to RFC 2853.
|
|
*/
|
|
public static final int DEFECTIVE_TOKEN = 10;
|
|
|
|
/**
|
|
* General failure, unspecified at GSS-API level.
|
|
* @specnote Should be 13 according to RFC 2853.
|
|
*/
|
|
public static final int FAILURE = 11;
|
|
|
|
/**
|
|
* Invalid security context error.
|
|
* @specnote Should be 8 according to RFC 2853.
|
|
*/
|
|
public static final int NO_CONTEXT = 12;
|
|
|
|
/**
|
|
* Invalid credentials error.
|
|
* @specnote Should be 7 according to RFC 2853.
|
|
*/
|
|
public static final int NO_CRED = 13;
|
|
|
|
/**
|
|
* Unsupported QOP value error.
|
|
*/
|
|
public static final int BAD_QOP = 14;
|
|
|
|
/**
|
|
* Operation unauthorized error.
|
|
*/
|
|
public static final int UNAUTHORIZED = 15;
|
|
|
|
/**
|
|
* Operation unavailable error.
|
|
*/
|
|
public static final int UNAVAILABLE = 16;
|
|
|
|
/**
|
|
* Duplicate credential element requested error.
|
|
*/
|
|
public static final int DUPLICATE_ELEMENT = 17;
|
|
|
|
/**
|
|
* Name contains multi-mechanism elements error.
|
|
*/
|
|
public static final int NAME_NOT_MN = 18;
|
|
|
|
/**
|
|
* The token was a duplicate of an earlier token. This is a fatal error
|
|
* code that may occur during context establishment. It is not used to
|
|
* indicate supplementary status values. The MessageProp object is used
|
|
* for that purpose.
|
|
* @specnote Should be 20 according to RFC 2853.
|
|
*/
|
|
public static final int DUPLICATE_TOKEN = 19;
|
|
|
|
/**
|
|
* The token's validity period has expired. This is a fatal error code
|
|
* that may occur during context establishment. It is not used to
|
|
* indicate supplementary status values. The MessageProp object is used
|
|
* for that purpose.
|
|
* @specnote Should be 19 according to RFC 2853.
|
|
*/
|
|
public static final int OLD_TOKEN = 20;
|
|
|
|
/**
|
|
* A later token has already been processed. This is a fatal error code
|
|
* that may occur during context establishment. It is not used to
|
|
* indicate supplementary status values. The MessageProp object is used
|
|
* for that purpose.
|
|
*/
|
|
public static final int UNSEQ_TOKEN = 21;
|
|
|
|
/**
|
|
* An expected per-message token was not received. This is a fatal
|
|
* error code that may occur during context establishment. It is not
|
|
* used to indicate supplementary status values. The MessageProp object
|
|
* is used for that purpose.
|
|
*/
|
|
public static final int GAP_TOKEN = 22;
|
|
|
|
private final int major;
|
|
private int minor;
|
|
private String minorString;
|
|
|
|
private ResourceBundle messages;
|
|
|
|
// Constructors.
|
|
// -------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Create a new GSS exception with the given major code.
|
|
*
|
|
* @param major The major GSS error code.
|
|
*/
|
|
public GSSException(int major)
|
|
{
|
|
this(major, 0, null);
|
|
}
|
|
|
|
/**
|
|
* Create a new GSS exception with the given major and minor codes, and a
|
|
* minor explanation string.
|
|
*
|
|
* @param major The major GSS error code.
|
|
* @param minor The minor application-specific error code.
|
|
* @param minorString An explanation of the minor error code.
|
|
*/
|
|
public GSSException(int major, int minor, String minorString)
|
|
{
|
|
this.major = major;
|
|
this.minor = minor;
|
|
this.minorString = minorString;
|
|
try
|
|
{
|
|
messages = PropertyResourceBundle.getBundle("org/ietf/jgss/MessagesBundle");
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
messages = null;
|
|
}
|
|
}
|
|
|
|
// Instance methods.
|
|
// -------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Returns the major code representing the GSS error code that caused
|
|
* this exception to be thrown.
|
|
*
|
|
* @return The major error code.
|
|
*/
|
|
public int getMajor()
|
|
{
|
|
return major;
|
|
}
|
|
|
|
/**
|
|
* Returns the mechanism error code that caused this exception. The
|
|
* minor code is set by the underlying mechanism. Value of 0 indicates
|
|
* that mechanism error code is not set.
|
|
*
|
|
* @return The minor error code, or 0 if not set.
|
|
*/
|
|
public int getMinor()
|
|
{
|
|
return minor;
|
|
}
|
|
|
|
/**
|
|
* Returns a string explaining the GSS major error code causing this
|
|
* exception to be thrown.
|
|
*
|
|
* @return The major error string.
|
|
*/
|
|
public String getMajorString()
|
|
{
|
|
switch (major)
|
|
{
|
|
case BAD_MECH:
|
|
return getMsg("GSSException.BAD_MECH",
|
|
"An unsupported mechanism was requested.");
|
|
case BAD_NAME:
|
|
return getMsg("GSSException.BAD_NAME",
|
|
"An invalid name was supplied.");
|
|
case BAD_NAMETYPE:
|
|
return getMsg("GSSException.BAD_NAMETYPE",
|
|
"A supplied name was of an unsupported type.");
|
|
case BAD_BINDINGS:
|
|
return getMsg("GSSException.BAD_BINDINGS",
|
|
"Incorrect channel bindings were supplied.");
|
|
case BAD_STATUS:
|
|
return getMsg("GSSException.BAD_STATUS",
|
|
"An invalid status code was supplied.");
|
|
case BAD_MIC:
|
|
return getMsg("GSSException.BAD_MIC",
|
|
"A token had an invalid MIC.");
|
|
case NO_CRED:
|
|
return getMsg("GSSException.NO_CRED",
|
|
"No credentials were supplied, or the credentials were "+
|
|
"unavailable or inaccessible.");
|
|
case NO_CONTEXT:
|
|
return getMsg("GSSException.NO_CONTEXT",
|
|
"Invalid context has been supplied.");
|
|
case DEFECTIVE_TOKEN:
|
|
return getMsg("GSSException.DEFECTIVE_TOKEN",
|
|
"A supplied token was invalid.");
|
|
case DEFECTIVE_CREDENTIAL:
|
|
return getMsg("GSSException.DEFECTIVE_CREDENTIAL",
|
|
"A supplied credential was invalid.");
|
|
case CREDENTIALS_EXPIRED:
|
|
return getMsg("GSSException.CREDENTIALS_EXPIRED",
|
|
"The referenced credentials have expired.");
|
|
case CONTEXT_EXPIRED:
|
|
return getMsg("GSSException.CONTEXT_EXPIRED",
|
|
"The context has expired.");
|
|
case FAILURE:
|
|
return getMsg("GSSException.FAILURE",
|
|
"Miscellaneous failure.");
|
|
case BAD_QOP:
|
|
return getMsg("GSSException.BAD_QOP",
|
|
"The quality-of-protection requested could not be provided.");
|
|
case UNAUTHORIZED:
|
|
return getMsg("GSSException.UNAUTHORIZED",
|
|
"The operation is forbidden by local security policy.");
|
|
case UNAVAILABLE:
|
|
return getMsg("GSSException.UNAVAILABLE",
|
|
"The operation or option is unavailable.");
|
|
case DUPLICATE_ELEMENT:
|
|
return getMsg("GSSException.DUPLICATE_ELEMENT",
|
|
"The requested credential element already exists.");
|
|
case NAME_NOT_MN:
|
|
return getMsg("GSSException.NAME_NOT_MN",
|
|
"The provided name was not a mechanism name.");
|
|
case OLD_TOKEN:
|
|
return getMsg("GSSException.OLD_TOKEN",
|
|
"The token's validity period has expired.");
|
|
case DUPLICATE_TOKEN:
|
|
return getMsg("GSSException.DUPLICATE_TOKEN",
|
|
"The token was a duplicate of an earlier version.");
|
|
case UNSEQ_TOKEN:
|
|
return getMsg("GSSException.UNSEQ_TOKEN",
|
|
"A later token has already been processed.");
|
|
case GAP_TOKEN:
|
|
return getMsg("GSSException.GAP_TOKEN",
|
|
"An expected per-message token was not received.");
|
|
default: return "Unknown or invalid error code.";
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns a string explaining the mechanism specific error code.
|
|
* <code>null</code> will be returned when no mechanism error code has
|
|
* been set.
|
|
*
|
|
* @return The minor error string, or <code>null</code>.
|
|
*/
|
|
public String getMinorString()
|
|
{
|
|
return minorString;
|
|
}
|
|
|
|
/**
|
|
* Used internally by the GSS-API implementation and the underlying
|
|
* mechanisms to set the minor code and its textual representation.
|
|
*
|
|
* @param minorCode The mechanism specific error code.
|
|
* @param message A textual explanation of the mechanism error code.
|
|
*/
|
|
public void setMinor(int minorCode, String message)
|
|
{
|
|
this.minor = minorCode;
|
|
this.minorString = message;
|
|
}
|
|
|
|
/**
|
|
* Returns a textual representation of both the major and minor status
|
|
* codes.
|
|
*
|
|
* @return The textual representation.
|
|
*/
|
|
public String toString()
|
|
{
|
|
return GSSException.class.getName() + ": " + getMessage();
|
|
}
|
|
|
|
/**
|
|
* Returns a detailed message of this exception. Overrides {@link
|
|
* Throwable#getMessage()}. It is customary in Java to use this method to
|
|
* obtain exception information.
|
|
*
|
|
* @return The detail message.
|
|
*/
|
|
public String getMessage()
|
|
{
|
|
if (minor == 0)
|
|
return getMajorString();
|
|
else
|
|
return getMajorString() + " (" + minorString + ")";
|
|
}
|
|
|
|
// Own methods.
|
|
// -------------------------------------------------------------------------
|
|
|
|
private String getMsg(String key, String defaultText)
|
|
{
|
|
if (messages != null)
|
|
{
|
|
try
|
|
{
|
|
return messages.getString(key);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
}
|
|
}
|
|
return defaultText;
|
|
}
|
|
}
|