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_get_mic(OM_uint32 *minor_status,
43    const gss_ctx_id_t ctx,
44    gss_qop_t qop_req,
45    const gss_buffer_t message_buffer,
46    gss_buffer_t message_token)
47{
48	OM_uint32 maj_stat;
49	struct mbuf *m, *mic;
50
51	if (!ctx) {
52		*minor_status = 0;
53		return (GSS_S_NO_CONTEXT);
54	}
55
56	MGET(m, M_WAITOK, MT_DATA);
57	if (message_buffer->length > MLEN)
58		MCLGET(m, M_WAITOK);
59	m_append(m, message_buffer->length, message_buffer->value);
60
61	maj_stat = KGSS_GET_MIC(ctx, minor_status, qop_req, m, &mic);
62
63	m_freem(m);
64	if (maj_stat == GSS_S_COMPLETE) {
65		message_token->length = m_length(mic, NULL);
66		message_token->value = malloc(message_token->length,
67		    M_GSSAPI, M_WAITOK);
68		m_copydata(mic, 0, message_token->length,
69		    message_token->value);
70		m_freem(mic);
71	}
72
73	return (maj_stat);
74}
75
76OM_uint32
77gss_get_mic_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
78    gss_qop_t qop_req, struct mbuf *m, struct mbuf **micp)
79{
80
81	if (!ctx) {
82		*minor_status = 0;
83		return (GSS_S_NO_CONTEXT);
84	}
85
86	return (KGSS_GET_MIC(ctx, minor_status, qop_req, m, micp));
87}
88