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_get_mic(OM_uint32 *minor_status,
44    const gss_ctx_id_t ctx,
45    gss_qop_t qop_req,
46    const gss_buffer_t message_buffer,
47    gss_buffer_t message_token)
48{
49	OM_uint32 maj_stat;
50	struct mbuf *m, *mic;
51
52	if (!ctx) {
53		*minor_status = 0;
54		return (GSS_S_NO_CONTEXT);
55	}
56
57	MGET(m, M_WAITOK, MT_DATA);
58	if (message_buffer->length > MLEN)
59		MCLGET(m, M_WAITOK);
60	m_append(m, message_buffer->length, message_buffer->value);
61
62	maj_stat = KGSS_GET_MIC(ctx, minor_status, qop_req, m, &mic);
63
64	m_freem(m);
65	if (maj_stat == GSS_S_COMPLETE) {
66		message_token->length = m_length(mic, NULL);
67		message_token->value = malloc(message_token->length,
68		    M_GSSAPI, M_WAITOK);
69		m_copydata(mic, 0, message_token->length,
70		    message_token->value);
71		m_freem(mic);
72	}
73
74	return (maj_stat);
75}
76
77OM_uint32
78gss_get_mic_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
79    gss_qop_t qop_req, struct mbuf *m, struct mbuf **micp)
80{
81
82	if (!ctx) {
83		*minor_status = 0;
84		return (GSS_S_NO_CONTEXT);
85	}
86
87	return (KGSS_GET_MIC(ctx, minor_status, qop_req, m, micp));
88}
89
90