xref: /freebsd/lib/libgssapi/gss_set_sec_context_option.c (revision f81cdf24ba5436367377f7c8e8f51f6df2a75ca7)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (c) 2004, PADL Software Pty Ltd.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  *
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * 3. Neither the name of PADL Software nor the names of its contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY PADL SOFTWARE AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL PADL SOFTWARE OR CONTRIBUTORS BE LIABLE
26  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 /* RCSID("$Id: gss_set_sec_context_option.c 19928 2007-01-16 10:37:54Z lha $"); */
35 
36 #include <gssapi/gssapi.h>
37 
38 #include "mech_switch.h"
39 #include "context.h"
40 
41 OM_uint32
42 gss_set_sec_context_option (OM_uint32 *minor_status,
43 			    gss_ctx_id_t *context_handle,
44 			    const gss_OID object,
45 			    const gss_buffer_t value)
46 {
47 	struct _gss_context	*ctx;
48 	OM_uint32		major_status;
49 	struct _gss_mech_switch	*m;
50 	int			one_ok = 0;
51 
52 	*minor_status = 0;
53 
54 	if (context_handle == NULL) {
55 		_gss_load_mech();
56 		major_status = GSS_S_BAD_MECH;
57 		SLIST_FOREACH(m, &_gss_mechs, gm_link) {
58 			if (!m->gm_set_sec_context_option)
59 				continue;
60 			major_status = m->gm_set_sec_context_option(
61 				minor_status,
62 				NULL, object, value);
63 			if (major_status == GSS_S_COMPLETE)
64 				one_ok = 1;
65 		}
66 		if (one_ok) {
67 			*minor_status = 0;
68 			return (GSS_S_COMPLETE);
69 		}
70 		return (major_status);
71 	}
72 
73 	ctx = (struct _gss_context *) *context_handle;
74 
75 	if (ctx == NULL)
76 		return (GSS_S_NO_CONTEXT);
77 
78 	m = ctx->gc_mech;
79 
80 	if (m == NULL)
81 		return (GSS_S_BAD_MECH);
82 
83 	if (m->gm_set_sec_context_option != NULL) {
84 		major_status = m->gm_set_sec_context_option(minor_status,
85 		    &ctx->gc_ctx, object, value);
86 		if (major_status != GSS_S_COMPLETE)
87 			_gss_mg_error(m, major_status, *minor_status);
88 	} else
89 		major_status = (GSS_S_BAD_MECH);
90 
91 	return (major_status);
92 }
93 
94