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: releng/11.2/sys/kgssapi/gss_wrap.c 184588 2008-11-03 10:38:00Z dfr $");
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
42 OM_uint32
43 gss_wrap(OM_uint32 *minor_status,
44 const gss_ctx_id_t ctx,
45 int conf_req_flag,
46 gss_qop_t qop_req,
47 const gss_buffer_t input_message_buffer,
48 int *conf_state,
49 gss_buffer_t output_message_buffer)
50 {
51 OM_uint32 maj_stat;
52 struct mbuf *m;
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 (input_message_buffer->length > MLEN)
61 MCLGET(m, M_WAITOK);
62 m_append(m, input_message_buffer->length, input_message_buffer->value);
63
64 maj_stat = KGSS_WRAP(ctx, minor_status, conf_req_flag, qop_req,
65 &m, conf_state);
66
67 /*
68 * On success, m is the wrapped message, on failure, m is
69 * freed.
70 */
71 if (maj_stat == GSS_S_COMPLETE) {
72 output_message_buffer->length = m_length(m, NULL);
73 output_message_buffer->value =
74 malloc(output_message_buffer->length,
75 M_GSSAPI, M_WAITOK);
76 m_copydata(m, 0, output_message_buffer->length,
77 output_message_buffer->value);
78 m_freem(m);
79 }
80
81 return (maj_stat);
82 }
83
84 OM_uint32
85 gss_wrap_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
86 int conf_req_flag, gss_qop_t qop_req, struct mbuf **mp, int *conf_state)
87 {
88
89 if (!ctx) {
90 *minor_status = 0;
91 return (GSS_S_NO_CONTEXT);
92 }
93
94 return (KGSS_WRAP(ctx, minor_status, conf_req_flag, qop_req,
95 mp, conf_state));
96 }
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