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/* $Id$
*****************************************************************************
*
* File: errors.c
*
* Author: Damien S. Stuart
*
* Purpose: Error message functions for fwknopd
*
* Copyright 2010 Damien Stuart (dstuart@dstuart.org)
*
* License (GNU Public License):
*
* This program 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
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*****************************************************************************
*/
#include "fwknopd_common.h"
#include "fwknopd_errors.h"
/* Attempt to determine the error code type and send the appropriate
* response. Basically assume it is a libfko error if it is not an fwknopd
* error code.
*/
const char*
get_errstr(int err_code)
{
if(! IS_FWKNOPD_ERROR(err_code))
return(fko_errstr(err_code));
return(fwknopd_errstr(err_code));
}
/* Return a string describing the meaning of the given error code.
*/
const char*
fwknopd_errstr(int err_code)
{
switch (err_code)
{
case 0:
return("Success");
case SPA_MSG_BAD_DATA:
return("Data is not a valid SPA message format");
case SPA_MSG_LEN_TOO_SMALL:
return("Not enough data to be a valid SPA message");
case SPA_MSG_NOT_SPA_DATA:
return("Data is not a SPA message");
case SPA_MSG_HTTP_NOT_ENABLED:
return("SPA via HTTP request, but ENABLE_SPA_OVER_HTTP is not set");
case SPA_MSG_FKO_CTX_ERROR:
return("Error creating FKO context for incoming data.");
case SPA_MSG_DIGEST_ERROR:
return("Unable to retrieve digest in from the SPA data.");
case SPA_MSG_DIGEST_CACHE_ERROR:
return("Error trying to access the digest.cache file");
case SPA_MSG_REPLAY:
return("Detected SPA message replay");
case SPA_MSG_TOO_OLD:
return("SPA message timestamp is outside the allowable window");
case SPA_MSG_ACCESS_DENIED:
return("SPA message did not pass access checks");
case SPA_MSG_COMMAND_ERROR:
return("An error occurred while executing an SPA command message");
case SPA_MSG_NOT_SUPPORTED:
return("Unsupported SPA message operation");
case SPA_MSG_ERROR:
return("General SPA message processing error");
case FW_RULE_ADD_ERROR:
return("An error occurred while tring to add a firewall rule");
case FW_RULE_DELETE_ERROR:
return("An error occurred while tring to delete a firewall rule");
case FW_RULE_UNKNOWN_ERROR:
return("Unknown/unclassified firewall rule processing error");
}
return("Undefined/unknown fwknopd Error");
}
/***EOF***/
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