Files
heimdal/lib/gssapi/delete_sec_context.c
Love Hörnquist Åstrand 20beaf630b (gss_delete_sec_context): if the context handle is GSS_C_NO_CONTEXT,
don't fall over.


git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16569 ec53bebd-3082-4978-b11e-865c3cabbd6b
2006-01-16 13:12:29 +00:00

79 lines
2.9 KiB
C

/*
* Copyright (c) 1997 - 2003 Kungliga Tekniska Högskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "gssapi_locl.h"
RCSID("$Id$");
OM_uint32 gss_delete_sec_context
(OM_uint32 * minor_status,
gss_ctx_id_t * context_handle,
gss_buffer_t output_token
)
{
GSSAPI_KRB5_INIT ();
*minor_status = 0;
if (output_token) {
output_token->length = 0;
output_token->value = NULL;
}
if (*context_handle == GSS_C_NO_CONTEXT)
return GSS_S_COMPLETE;
HEIMDAL_MUTEX_lock(&(*context_handle)->ctx_id_mutex);
krb5_auth_con_free (gssapi_krb5_context,
(*context_handle)->auth_context);
if((*context_handle)->source)
krb5_free_principal (gssapi_krb5_context,
(*context_handle)->source);
if((*context_handle)->target)
krb5_free_principal (gssapi_krb5_context,
(*context_handle)->target);
if ((*context_handle)->ticket)
krb5_free_ticket (gssapi_krb5_context,
(*context_handle)->ticket);
if((*context_handle)->order)
_gssapi_msg_order_destroy(&(*context_handle)->order);
HEIMDAL_MUTEX_unlock(&(*context_handle)->ctx_id_mutex);
HEIMDAL_MUTEX_destroy(&(*context_handle)->ctx_id_mutex);
memset(*context_handle, 0, sizeof(**context_handle));
free (*context_handle);
*context_handle = GSS_C_NO_CONTEXT;
return GSS_S_COMPLETE;
}