xref: /freebsd/lib/libgssapi/gss_set_sec_context_option.c (revision f4b37ed0f8b307b1f3f0f630ca725d68f1dff30d)
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 
93