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_verify_mic(OM_uint32 *minor_status,
43    const gss_ctx_id_t ctx,
44    const gss_buffer_t message_buffer,
45    const gss_buffer_t token_buffer,
46    gss_qop_t *qop_state)
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	MGET(mic, M_WAITOK, MT_DATA);
62	if (token_buffer->length > MLEN)
63		MCLGET(mic, M_WAITOK);
64	m_append(mic, token_buffer->length, token_buffer->value);
65
66	maj_stat = KGSS_VERIFY_MIC(ctx, minor_status, m, mic, qop_state);
67
68	m_freem(m);
69	m_freem(mic);
70
71	return (maj_stat);
72}
73
74OM_uint32
75gss_verify_mic_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
76    struct mbuf *m, struct mbuf *mic, gss_qop_t *qop_state)
77{
78
79	if (!ctx) {
80		*minor_status = 0;
81		return (GSS_S_NO_CONTEXT);
82	}
83
84	return (KGSS_VERIFY_MIC(ctx, minor_status, m, mic, qop_state));
85}
86