1153838Sdfr/*-
2153838Sdfr * Copyright (c) 2005 Doug Rabson
3153838Sdfr * All rights reserved.
4153838Sdfr *
5153838Sdfr * Redistribution and use in source and binary forms, with or without
6153838Sdfr * modification, are permitted provided that the following conditions
7153838Sdfr * are met:
8153838Sdfr * 1. Redistributions of source code must retain the above copyright
9153838Sdfr *    notice, this list of conditions and the following disclaimer.
10153838Sdfr * 2. Redistributions in binary form must reproduce the above copyright
11153838Sdfr *    notice, this list of conditions and the following disclaimer in the
12153838Sdfr *    documentation and/or other materials provided with the distribution.
13153838Sdfr *
14153838Sdfr * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15153838Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16153838Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17153838Sdfr * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18153838Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19153838Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20153838Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21153838Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22153838Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23153838Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24153838Sdfr * SUCH DAMAGE.
25153838Sdfr *
26153838Sdfr *	$FreeBSD$
27153838Sdfr */
28153838Sdfr
29153838Sdfr#include <gssapi/gssapi.h>
30153838Sdfr#include <stdlib.h>
31153838Sdfr#include <errno.h>
32153838Sdfr
33153838Sdfr#include "mech_switch.h"
34153838Sdfr#include "context.h"
35178828Sdfr#include "utils.h"
36153838Sdfr
37153838SdfrOM_uint32
38153838Sdfrgss_delete_sec_context(OM_uint32 *minor_status,
39153838Sdfr    gss_ctx_id_t *context_handle,
40153838Sdfr    gss_buffer_t output_token)
41153838Sdfr{
42153838Sdfr	OM_uint32 major_status;
43153838Sdfr	struct _gss_context *ctx = (struct _gss_context *) *context_handle;
44153838Sdfr
45178828Sdfr	if (output_token)
46178828Sdfr		_gss_buffer_zero(output_token);
47178828Sdfr
48153838Sdfr	*minor_status = 0;
49153838Sdfr	if (ctx) {
50153838Sdfr		/*
51153838Sdfr		 * If we have an implementation ctx, delete it,
52153838Sdfr		 * otherwise fake an empty token.
53153838Sdfr		 */
54153838Sdfr		if (ctx->gc_ctx) {
55153838Sdfr			major_status = ctx->gc_mech->gm_delete_sec_context(
56153838Sdfr				minor_status, &ctx->gc_ctx, output_token);
57153838Sdfr		}
58153838Sdfr		free(ctx);
59178828Sdfr		*context_handle = GSS_C_NO_CONTEXT;
60153838Sdfr	}
61153838Sdfr
62153838Sdfr	return (GSS_S_COMPLETE);
63153838Sdfr}
64