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 gss_unseal
27 */
28
29#include <mechglueP.h>
30#include "gssapiP_generic.h"
31
32OM_uint32
33gss_unseal(minor_status,
34		context_handle,
35		input_message_buffer,
36		output_message_buffer,
37		conf_state,
38		qop_state)
39
40OM_uint32 *		minor_status;
41gss_ctx_id_t		context_handle;
42gss_buffer_t		input_message_buffer;
43gss_buffer_t		output_message_buffer;
44int *			conf_state;
45int *			qop_state;
46
47{
48	OM_uint32		status;
49	gss_union_ctx_id_t	ctx;
50	gss_mechanism		mech;
51
52	if (minor_status != NULL)
53		*minor_status = 0;
54
55	if (output_message_buffer != GSS_C_NO_BUFFER) {
56		output_message_buffer->length = 0;
57		output_message_buffer->value = NULL;
58	}
59
60	if (minor_status == NULL)
61		return (GSS_S_CALL_INACCESSIBLE_WRITE);
62
63	if (context_handle == GSS_C_NO_CONTEXT)
64		return (GSS_S_CALL_INACCESSIBLE_READ | GSS_S_NO_CONTEXT);
65
66	if (input_message_buffer == GSS_C_NO_BUFFER ||
67	    GSS_EMPTY_BUFFER(input_message_buffer))
68		return (GSS_S_CALL_INACCESSIBLE_READ);
69
70	if (output_message_buffer == GSS_C_NO_BUFFER)
71		return (GSS_S_CALL_INACCESSIBLE_WRITE);
72
73	/*
74	 * select the approprate underlying mechanism routine and
75	 * call it.
76	 */
77
78	ctx = (gss_union_ctx_id_t) context_handle;
79	mech = __gss_get_mechanism(ctx->mech_type);
80
81	if (mech) {
82		if (mech->gss_unseal) {
83			status = mech->gss_unseal(
84						mech->context,
85						minor_status,
86						ctx->internal_ctx_id,
87						input_message_buffer,
88						output_message_buffer,
89						conf_state,
90						qop_state);
91			if (status != GSS_S_COMPLETE)
92				map_error(minor_status, mech);
93		} else
94			status = GSS_S_UNAVAILABLE;
95
96		return (status);
97	}
98
99	return (GSS_S_BAD_MECH);
100}
101
102OM_uint32
103gss_unwrap(minor_status,
104		context_handle,
105		input_message_buffer,
106		output_message_buffer,
107		conf_state,
108		qop_state)
109
110OM_uint32 *		minor_status;
111const gss_ctx_id_t	context_handle;
112const gss_buffer_t	input_message_buffer;
113gss_buffer_t		output_message_buffer;
114int *			conf_state;
115gss_qop_t *		qop_state;
116
117{
118	return (gss_unseal(minor_status, (gss_ctx_id_t)context_handle,
119			(gss_buffer_t)input_message_buffer,
120			output_message_buffer, conf_state, (int *) qop_state));
121}
122