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: src/lib/libgssapi/gss_delete_sec_context.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27 */
28
29#include "mech_locl.h"
30
31GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
32gss_delete_sec_context(OM_uint32 *minor_status,
33    gss_ctx_id_t *context_handle,
34    gss_buffer_t output_token)
35{
36	OM_uint32 major_status, junk;
37	struct _gss_context *ctx = (struct _gss_context *) *context_handle;
38
39	if (output_token)
40	    _mg_buffer_zero(output_token);
41
42	*minor_status = 0;
43	major_status = GSS_S_COMPLETE;
44
45	if (ctx) {
46		if (ctx->gc_replaced_cred)
47			gss_release_cred(&junk, &ctx->gc_replaced_cred);
48
49		/*
50		 * If we have an implementation ctx, delete it,
51		 * otherwise fake an empty token.
52		 */
53		if (ctx->gc_ctx) {
54			major_status = ctx->gc_mech->gm_delete_sec_context(
55				minor_status, &ctx->gc_ctx, output_token);
56		}
57		free(ctx);
58		*context_handle = GSS_C_NO_CONTEXT;
59	}
60
61	return major_status;
62}
63