1/*-
2 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
3 * Authors: Doug Rabson <dfr@rabson.org>
4 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD$");
30
31#include <sys/param.h>
32#include <sys/kernel.h>
33#include <sys/kobj.h>
34#include <sys/malloc.h>
35#include <sys/mbuf.h>
36
37#include <kgssapi/gssapi.h>
38#include <kgssapi/gssapi_impl.h>
39
40#include "kgss_if.h"
41
42OM_uint32
43gss_wrap(OM_uint32 *minor_status,
44    const gss_ctx_id_t ctx,
45    int conf_req_flag,
46    gss_qop_t qop_req,
47    const gss_buffer_t input_message_buffer,
48    int *conf_state,
49    gss_buffer_t output_message_buffer)
50{
51	OM_uint32 maj_stat;
52	struct mbuf *m;
53
54	if (!ctx) {
55		*minor_status = 0;
56		return (GSS_S_NO_CONTEXT);
57	}
58
59	MGET(m, M_WAITOK, MT_DATA);
60	if (input_message_buffer->length > MLEN)
61		MCLGET(m, M_WAITOK);
62	m_append(m, input_message_buffer->length, input_message_buffer->value);
63
64	maj_stat = KGSS_WRAP(ctx, minor_status, conf_req_flag, qop_req,
65	    &m, conf_state);
66
67	/*
68	 * On success, m is the wrapped message, on failure, m is
69	 * freed.
70	 */
71	if (maj_stat == GSS_S_COMPLETE) {
72		output_message_buffer->length = m_length(m, NULL);
73		output_message_buffer->value =
74			malloc(output_message_buffer->length,
75			    M_GSSAPI, M_WAITOK);
76		m_copydata(m, 0, output_message_buffer->length,
77		    output_message_buffer->value);
78		m_freem(m);
79	}
80
81	return (maj_stat);
82}
83
84OM_uint32
85gss_wrap_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
86    int conf_req_flag, gss_qop_t qop_req, struct mbuf **mp, int *conf_state)
87{
88
89	if (!ctx) {
90		*minor_status = 0;
91		return (GSS_S_NO_CONTEXT);
92	}
93
94	return (KGSS_WRAP(ctx, minor_status, conf_req_flag, qop_req,
95		mp, conf_state));
96}
97