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_wrap(OM_uint32 * minor_status,const gss_ctx_id_t ctx,int conf_req_flag,gss_qop_t qop_req,const gss_buffer_t input_message_buffer,int * conf_state,gss_buffer_t output_message_buffer)42 gss_wrap(OM_uint32 *minor_status,
43 const gss_ctx_id_t ctx,
44 int conf_req_flag,
45 gss_qop_t qop_req,
46 const gss_buffer_t input_message_buffer,
47 int *conf_state,
48 gss_buffer_t output_message_buffer)
49 {
50 OM_uint32 maj_stat;
51 struct mbuf *m;
52
53 if (!ctx) {
54 *minor_status = 0;
55 return (GSS_S_NO_CONTEXT);
56 }
57
58 MGET(m, M_WAITOK, MT_DATA);
59 if (input_message_buffer->length > MLEN)
60 MCLGET(m, M_WAITOK);
61 m_append(m, input_message_buffer->length, input_message_buffer->value);
62
63 maj_stat = KGSS_WRAP(ctx, minor_status, conf_req_flag, qop_req,
64 &m, conf_state);
65
66 /*
67 * On success, m is the wrapped message, on failure, m is
68 * freed.
69 */
70 if (maj_stat == GSS_S_COMPLETE) {
71 output_message_buffer->length = m_length(m, NULL);
72 output_message_buffer->value =
73 malloc(output_message_buffer->length,
74 M_GSSAPI, M_WAITOK);
75 m_copydata(m, 0, output_message_buffer->length,
76 output_message_buffer->value);
77 m_freem(m);
78 }
79
80 return (maj_stat);
81 }
82
83 OM_uint32
gss_wrap_mbuf(OM_uint32 * minor_status,const gss_ctx_id_t ctx,int conf_req_flag,gss_qop_t qop_req,struct mbuf ** mp,int * conf_state)84 gss_wrap_mbuf(OM_uint32 *minor_status, const gss_ctx_id_t ctx,
85 int conf_req_flag, gss_qop_t qop_req, struct mbuf **mp, int *conf_state)
86 {
87
88 if (!ctx) {
89 *minor_status = 0;
90 return (GSS_S_NO_CONTEXT);
91 }
92
93 return (KGSS_WRAP(ctx, minor_status, conf_req_flag, qop_req,
94 mp, conf_state));
95 }
96