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_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)42 gss_get_mic(OM_uint32 *minor_status,
43 const gss_ctx_id_t ctx,
44 gss_qop_t qop_req,
45 const gss_buffer_t message_buffer,
46 gss_buffer_t message_token)
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 maj_stat = KGSS_GET_MIC(ctx, minor_status, qop_req, m, &mic);
62
63 m_freem(m);
64 if (maj_stat == GSS_S_COMPLETE) {
65 message_token->length = m_length(mic, NULL);
66 message_token->value = malloc(message_token->length,
67 M_GSSAPI, M_WAITOK);
68 m_copydata(mic, 0, message_token->length,
69 message_token->value);
70 m_freem(mic);
71 }
72
73 return (maj_stat);
74 }
75
76 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)77 gss_get_mic_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
78 gss_qop_t qop_req, struct mbuf *m, struct mbuf **micp)
79 {
80
81 if (!ctx) {
82 *minor_status = 0;
83 return (GSS_S_NO_CONTEXT);
84 }
85
86 return (KGSS_GET_MIC(ctx, minor_status, qop_req, m, micp));
87 }
88