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/cdefs.h>
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
42 OM_uint32
gss_get_mic(OM_uint32 * minor_status,const gss_ctx_id_t ctx,gss_qop_t qop_req,const gss_buffer_t message_buffer,gss_buffer_t message_token)43 gss_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
77 OM_uint32
gss_get_mic_mbuf(OM_uint32 * minor_status,const gss_ctx_id_t ctx,gss_qop_t qop_req,struct mbuf * m,struct mbuf ** micp)78 gss_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