Home | History | Annotate | Download | only in ssl
      1 /*
      2  * Function to set error code only when meaningful error has not already
      3  * been set.
      4  *
      5  * ***** BEGIN LICENSE BLOCK *****
      6  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
      7  *
      8  * The contents of this file are subject to the Mozilla Public License Version
      9  * 1.1 (the "License"); you may not use this file except in compliance with
     10  * the License. You may obtain a copy of the License at
     11  * http://www.mozilla.org/MPL/
     12  *
     13  * Software distributed under the License is distributed on an "AS IS" basis,
     14  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
     15  * for the specific language governing rights and limitations under the
     16  * License.
     17  *
     18  * The Original Code is the Netscape security libraries.
     19  *
     20  * The Initial Developer of the Original Code is
     21  * Netscape Communications Corporation.
     22  * Portions created by the Initial Developer are Copyright (C) 1994-2000
     23  * the Initial Developer. All Rights Reserved.
     24  *
     25  * Contributor(s):
     26  *
     27  * Alternatively, the contents of this file may be used under the terms of
     28  * either the GNU General Public License Version 2 or later (the "GPL"), or
     29  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
     30  * in which case the provisions of the GPL or the LGPL are applicable instead
     31  * of those above. If you wish to allow use of your version of this file only
     32  * under the terms of either the GPL or the LGPL, and not to allow others to
     33  * use your version of this file under the terms of the MPL, indicate your
     34  * decision by deleting the provisions above and replace them with the notice
     35  * and other provisions required by the GPL or the LGPL. If you do not delete
     36  * the provisions above, a recipient may use your version of this file under
     37  * the terms of any one of the MPL, the GPL or the LGPL.
     38  *
     39  * ***** END LICENSE BLOCK ***** */
     40 /* $Id: sslerr.c,v 1.4 2004/04/27 23:04:39 gerv%gerv.net Exp $ */
     41 
     42 #include "prerror.h"
     43 #include "secerr.h"
     44 #include "sslerr.h"
     45 #include "seccomon.h"
     46 
     47 /* look at the current value of PR_GetError, and evaluate it to see
     48  * if it is meaningful or meaningless (out of context).
     49  * If it is meaningless, replace it with the hiLevelError.
     50  * Returns the chosen error value.
     51  */
     52 int
     53 ssl_MapLowLevelError(int hiLevelError)
     54 {
     55     int oldErr	= PORT_GetError();
     56 
     57     switch (oldErr) {
     58 
     59     case 0:
     60     case PR_IO_ERROR:
     61     case SEC_ERROR_IO:
     62     case SEC_ERROR_BAD_DATA:
     63     case SEC_ERROR_LIBRARY_FAILURE:
     64     case SEC_ERROR_EXTENSION_NOT_FOUND:
     65     case SSL_ERROR_BAD_CLIENT:
     66     case SSL_ERROR_BAD_SERVER:
     67     case SSL_ERROR_SESSION_NOT_FOUND:
     68     	PORT_SetError(hiLevelError);
     69 	return hiLevelError;
     70 
     71     default:	/* leave the majority of error codes alone. */
     72 	return oldErr;
     73     }
     74 }
     75