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/*
* Error handling for Kerberos.
*
* Provides versions of die and warn that take a Kerberos context and a
* Kerberos error code and append the Kerberos error message to the provided
* formatted message.
*
* The canonical version of this file is maintained in the rra-c-util package,
* which can be found at <http://www.eyrie.org/~eagle/software/rra-c-util/>.
*
* Written by Russ Allbery <rra@stanford.edu>
* Copyright 2006, 2007, 2008, 2009, 2010
* The Board of Trustees of the Leland Stanford Junior University
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#include <config.h>
#include <portable/krb5.h>
#include <portable/system.h>
#include <util/macros.h>
#include <util/messages.h>
#include <util/messages-krb5.h>
#include <util/xmalloc.h>
/*
* Report a Kerberos error and exit.
*/
void
die_krb5(krb5_context ctx, krb5_error_code code, const char *format, ...)
{
const char *k5_msg = NULL;
char *message;
va_list args;
if (ctx != NULL)
k5_msg = krb5_get_error_message(ctx, code);
va_start(args, format);
xvasprintf(&message, format, args);
va_end(args);
if (k5_msg == NULL)
die("%s", message);
else
die("%s: %s", message, k5_msg);
}
/*
* Report a Kerberos error.
*/
void
warn_krb5(krb5_context ctx, krb5_error_code code, const char *format, ...)
{
const char *k5_msg = NULL;
char *message;
va_list args;
if (ctx != NULL)
k5_msg = krb5_get_error_message(ctx, code);
va_start(args, format);
xvasprintf(&message, format, args);
va_end(args);
if (k5_msg == NULL)
warn("%s", message);
else
warn("%s: %s", message, k5_msg);
free(message);
if (k5_msg != NULL)
krb5_free_error_message(ctx, k5_msg);
}
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