1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25/*
26 *  glue routine for gss_delete_sec_context
27 */
28
29#include <mechglueP.h>
30#include "gssapiP_generic.h"
31#include <stdio.h>
32#ifdef HAVE_STDLIB_H
33#include <stdlib.h>
34#endif
35
36static OM_uint32
37val_del_sec_ctx_args(
38	OM_uint32 *minor_status,
39	gss_ctx_id_t *context_handle,
40	gss_buffer_t output_token)
41{
42
43	/* Initialize outputs. */
44
45	if (minor_status != NULL)
46		*minor_status = 0;
47
48	if (output_token != GSS_C_NO_BUFFER) {
49		output_token->length = 0;
50		output_token->value = NULL;
51	}
52
53	/* Validate arguments. */
54
55	if (minor_status == NULL)
56		return (GSS_S_CALL_INACCESSIBLE_WRITE);
57
58	if (context_handle == NULL || *context_handle == GSS_C_NO_CONTEXT)
59		return (GSS_S_CALL_INACCESSIBLE_WRITE | GSS_S_NO_CONTEXT);
60
61	return (GSS_S_COMPLETE);
62}
63
64OM_uint32
65gss_delete_sec_context(minor_status,
66				context_handle,
67				output_token)
68
69OM_uint32 *			minor_status;
70gss_ctx_id_t *			context_handle;
71gss_buffer_t			output_token;
72
73{
74	OM_uint32		status;
75	gss_union_ctx_id_t	ctx;
76
77	status = val_del_sec_ctx_args(minor_status,
78				context_handle,
79				output_token);
80	if (status != GSS_S_COMPLETE)
81		return (status);
82
83	/*
84	 * select the approprate underlying mechanism routine and
85	 * call it.
86	 */
87
88	ctx = (gss_union_ctx_id_t) *context_handle;
89	if (GSSINT_CHK_LOOP(ctx))
90		return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
91
92	status = gssint_delete_internal_sec_context(minor_status,
93						    ctx->mech_type,
94						    &ctx->internal_ctx_id,
95						    output_token);
96	if (status)
97		return status;
98
99	/* now free up the space for the union context structure */
100	free(ctx->mech_type->elements);
101	free(ctx->mech_type);
102	free(*context_handle);
103	*context_handle = GSS_C_NO_CONTEXT;
104
105	return (GSS_S_COMPLETE);
106}
107