1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2005 Doug Rabson
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 *	$FreeBSD$
29 */
30
31#include <gssapi/gssapi.h>
32#include <stdlib.h>
33#include <errno.h>
34
35#include "mech_switch.h"
36#include "context.h"
37#include "utils.h"
38
39OM_uint32
40gss_delete_sec_context(OM_uint32 *minor_status,
41    gss_ctx_id_t *context_handle,
42    gss_buffer_t output_token)
43{
44	OM_uint32 major_status;
45	struct _gss_context *ctx = (struct _gss_context *) *context_handle;
46
47	if (output_token)
48		_gss_buffer_zero(output_token);
49
50	*minor_status = 0;
51	if (ctx) {
52		/*
53		 * If we have an implementation ctx, delete it,
54		 * otherwise fake an empty token.
55		 */
56		if (ctx->gc_ctx) {
57			major_status = ctx->gc_mech->gm_delete_sec_context(
58				minor_status, &ctx->gc_ctx, output_token);
59		}
60		free(ctx);
61		*context_handle = GSS_C_NO_CONTEXT;
62	}
63
64	return (GSS_S_COMPLETE);
65}
66