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1 /*
2  * Copyright (c) 2004, PADL Software Pty Ltd.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * 3. Neither the name of PADL Software nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 /* $FreeBSD$ */
33 /* RCSID("$Id: gss_set_sec_context_option.c 19928 2007-01-16 10:37:54Z lha $"); */
34
35 #include <gssapi/gssapi.h>
36
37 #include "mech_switch.h"
38 #include "context.h"
39
40 OM_uint32
41 gss_set_sec_context_option (OM_uint32 *minor_status,
42                             gss_ctx_id_t *context_handle,
43                             const gss_OID object,
44                             const gss_buffer_t value)
45 {
46         struct _gss_context     *ctx;
47         OM_uint32               major_status;
48         struct _gss_mech_switch *m;
49         int                     one_ok = 0;
50
51         *minor_status = 0;
52
53         if (context_handle == NULL) {
54                 _gss_load_mech();
55                 major_status = GSS_S_BAD_MECH;
56                 SLIST_FOREACH(m, &_gss_mechs, gm_link) {
57                         if (!m->gm_set_sec_context_option)
58                                 continue;
59                         major_status = m->gm_set_sec_context_option(
60                                 minor_status,
61                                 NULL, object, value);
62                         if (major_status == GSS_S_COMPLETE)
63                                 one_ok = 1;
64                 }
65                 if (one_ok) {
66                         *minor_status = 0;
67                         return (GSS_S_COMPLETE);
68                 }
69                 return (major_status);
70         }
71
72         ctx = (struct _gss_context *) *context_handle;
73
74         if (ctx == NULL)
75                 return (GSS_S_NO_CONTEXT);
76
77         m = ctx->gc_mech;
78
79         if (m == NULL)
80                 return (GSS_S_BAD_MECH);
81
82         if (m->gm_set_sec_context_option != NULL) {
83                 major_status = m->gm_set_sec_context_option(minor_status,
84                     &ctx->gc_ctx, object, value);
85                 if (major_status != GSS_S_COMPLETE)
86                         _gss_mg_error(m, major_status, *minor_status);
87         } else
88                 major_status = (GSS_S_BAD_MECH);
89
90         return (major_status);
91 }
92