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