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
41 OM_uint32
gss_verify_mic(OM_uint32 * minor_status,const gss_ctx_id_t ctx,const gss_buffer_t message_buffer,const gss_buffer_t token_buffer,gss_qop_t * qop_state)42 gss_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
74 OM_uint32
gss_verify_mic_mbuf(OM_uint32 * minor_status,const gss_ctx_id_t ctx,struct mbuf * m,struct mbuf * mic,gss_qop_t * qop_state)75 gss_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