1/*-
2 * Copyright (c) 2005 Doug Rabson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 *	$FreeBSD$
27 */
28
29#include <gssapi/gssapi.h>
30#include <stdlib.h>
31#include <errno.h>
32
33#include "mech_switch.h"
34#include "context.h"
35#include "utils.h"
36
37OM_uint32
38gss_delete_sec_context(OM_uint32 *minor_status,
39    gss_ctx_id_t *context_handle,
40    gss_buffer_t output_token)
41{
42	OM_uint32 major_status;
43	struct _gss_context *ctx = (struct _gss_context *) *context_handle;
44
45	if (output_token)
46		_gss_buffer_zero(output_token);
47
48	*minor_status = 0;
49	if (ctx) {
50		/*
51		 * If we have an implementation ctx, delete it,
52		 * otherwise fake an empty token.
53		 */
54		if (ctx->gc_ctx) {
55			major_status = ctx->gc_mech->gm_delete_sec_context(
56				minor_status, &ctx->gc_ctx, output_token);
57		}
58		free(ctx);
59		*context_handle = GSS_C_NO_CONTEXT;
60	}
61
62	return (GSS_S_COMPLETE);
63}
64