1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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/cdefs.h>
31__FBSDID("$FreeBSD$");
32
33#include <sys/param.h>
34#include <sys/kernel.h>
35#include <sys/kobj.h>
36#include <sys/malloc.h>
37#include <sys/mbuf.h>
38
39#include <kgssapi/gssapi.h>
40#include <kgssapi/gssapi_impl.h>
41
42#include "kgss_if.h"
43
44OM_uint32
45gss_get_mic(OM_uint32 *minor_status,
46    const gss_ctx_id_t ctx,
47    gss_qop_t qop_req,
48    const gss_buffer_t message_buffer,
49    gss_buffer_t message_token)
50{
51	OM_uint32 maj_stat;
52	struct mbuf *m, *mic;
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 (message_buffer->length > MLEN)
61		MCLGET(m, M_WAITOK);
62	m_append(m, message_buffer->length, message_buffer->value);
63
64	maj_stat = KGSS_GET_MIC(ctx, minor_status, qop_req, m, &mic);
65
66	m_freem(m);
67	if (maj_stat == GSS_S_COMPLETE) {
68		message_token->length = m_length(mic, NULL);
69		message_token->value = malloc(message_token->length,
70		    M_GSSAPI, M_WAITOK);
71		m_copydata(mic, 0, message_token->length,
72		    message_token->value);
73		m_freem(mic);
74	}
75
76	return (maj_stat);
77}
78
79OM_uint32
80gss_get_mic_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
81    gss_qop_t qop_req, struct mbuf *m, struct mbuf **micp)
82{
83
84	if (!ctx) {
85		*minor_status = 0;
86		return (GSS_S_NO_CONTEXT);
87	}
88
89	return (KGSS_GET_MIC(ctx, minor_status, qop_req, m, micp));
90}
91