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_wrap.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27 */
28
29#include "mech_locl.h"
30
31/**
32 * Wrap a message using either confidentiality (encryption +
33 * signature) or sealing (signature).
34 *
35 * @param minor_status minor status code.
36 * @param context_handle context handle.
37 * @param conf_req_flag if non zero, confidentiality is requestd.
38 * @param qop_req type of protection needed, in most cases it GSS_C_QOP_DEFAULT should be passed in.
39 * @param input_message_buffer messages to wrap
40 * @param conf_state returns non zero if confidentiality was honoured.
41 * @param output_message_buffer the resulting buffer, release with gss_release_buffer().
42 *
43 * @ingroup gssapi
44 */
45
46GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
47gss_wrap(OM_uint32 *minor_status,
48    const gss_ctx_id_t context_handle,
49    int conf_req_flag,
50    gss_qop_t qop_req,
51    const gss_buffer_t input_message_buffer,
52    int *conf_state,
53    gss_buffer_t output_message_buffer)
54{
55	struct _gss_context *ctx = (struct _gss_context *) context_handle;
56	gssapi_mech_interface m;
57
58	if (conf_state)
59	    *conf_state = 0;
60	_mg_buffer_zero(output_message_buffer);
61	if (ctx == NULL) {
62	    *minor_status = 0;
63	    return GSS_S_NO_CONTEXT;
64	}
65
66	m = ctx->gc_mech;
67
68	return (m->gm_wrap(minor_status, ctx->gc_ctx,
69		    conf_req_flag, qop_req, input_message_buffer,
70		    conf_state, output_message_buffer));
71}
72