+++ /dev/null
-/* GSSException.java -- a general exception in GSS.
- 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.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.
- */
-public class GSSException extends Exception
-{
-
- // Constants and fields.
- // -------------------------------------------------------------------------
-
- // These values do not jive with the "Constant Field Values" in the J2SE
- // 1.4.1, but do follow RFC 2853. I trust the IETF, but not Sun.
-
- /**
- * Channel bindings mismatch error.
- */
- public static final int BAD_BINDINGS = 4;
-
- /**
- * Unsupported mechanism requested error.
- */
- public static final int BAD_MECH = 1;
-
- /**
- * Invalid name provided error.
- */
- public static final int BAD_NAME = 2;
-
- /**
- * Name of unsupported type provided error.
- */
- public static final int BAD_NAMETYPE = 3;
-
- /**
- * 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.
- */
- public static final int CONTEXT_EXPIRED = 12;
-
- /**
- * Expired credentials detected error.
- */
- public static final int CREDENTIALS_EXPIRED = 11;
-
- /**
- * Defective credential error.
- */
- public static final int DEFECTIVE_CREDENTIAL = 10;
-
- /**
- * Defective token error.
- */
- public static final int DEFECTIVE_TOKEN = 9;
-
- /**
- * General failure, unspecified at GSS-API level.
- */
- public static final int FAILURE = 13;
-
- /**
- * Invalid security context error.
- */
- public static final int NO_CONTEXT = 8;
-
- /**
- * Invalid credentials error.
- */
- public static final int NO_CRED = 7;
-
- /**
- * 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.
- */
- public static final int DUPLICATE_TOKEN = 20;
-
- /**
- * 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.
- */
- public static final int OLD_TOKEN = 19;
-
- /**
- * 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;
- }
-}
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