xref: /freebsd/crypto/heimdal/lib/gssapi/mech/gss_indicate_mechs.c (revision f39bffc62c1395bde25d152c7f68fdf7cbaab414)
1 /*-
2  * Copyright (c) 2005 Doug Rabson
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  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  *	$FreeBSD: src/lib/libgssapi/gss_indicate_mechs.c,v 1.1 2005/12/29 14:40:20 dfr Exp $
27  */
28 
29 #include "mech_locl.h"
30 
31 GSSAPI_LIB_FUNCTION OM_uint32 GSSAPI_LIB_CALL
32 gss_indicate_mechs(OM_uint32 *minor_status,
33     gss_OID_set *mech_set)
34 {
35 	struct _gss_mech_switch *m;
36 	OM_uint32 major_status;
37 	gss_OID_set set;
38 	size_t i;
39 
40 	_gss_load_mech();
41 
42 	major_status = gss_create_empty_oid_set(minor_status, mech_set);
43 	if (major_status)
44 		return (major_status);
45 
46 	HEIM_SLIST_FOREACH(m, &_gss_mechs, gm_link) {
47 		if (m->gm_mech.gm_indicate_mechs) {
48 			major_status = m->gm_mech.gm_indicate_mechs(
49 			    minor_status, &set);
50 			if (major_status)
51 				continue;
52 			for (i = 0; i < set->count; i++)
53 				major_status = gss_add_oid_set_member(
54 				    minor_status, &set->elements[i], mech_set);
55 			gss_release_oid_set(minor_status, &set);
56 		} else {
57 			major_status = gss_add_oid_set_member(
58 			    minor_status, &m->gm_mech_oid, mech_set);
59 		}
60 	}
61 
62 	*minor_status = 0;
63 	return (GSS_S_COMPLETE);
64 }
65