xref: /freebsd/lib/libgssapi/gss_inquire_cred_by_oid.c (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
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 /* $FreeBSD$ */
35 
36 #include <gssapi/gssapi.h>
37 
38 #include "mech_switch.h"
39 #include "cred.h"
40 #include "name.h"
41 
42 /* RCSID("$Id: gss_inquire_cred_by_oid.c 19960 2007-01-17 15:09:24Z lha $"); */
43 
44 OM_uint32
45 gss_inquire_cred_by_oid (OM_uint32 *minor_status,
46 			 const gss_cred_id_t cred_handle,
47 			 const gss_OID desired_object,
48 			 gss_buffer_set_t *data_set)
49 {
50 	struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
51 	OM_uint32		status = GSS_S_COMPLETE;
52 	struct _gss_mechanism_cred *mc;
53 	struct _gss_mech_switch *m;
54 	gss_buffer_set_t set = GSS_C_NO_BUFFER_SET;
55 
56 	*minor_status = 0;
57 	*data_set = GSS_C_NO_BUFFER_SET;
58 
59 	if (cred == NULL)
60 		return GSS_S_NO_CRED;
61 
62 	SLIST_FOREACH(mc, &cred->gc_mc, gmc_link) {
63 		gss_buffer_set_t rset = GSS_C_NO_BUFFER_SET;
64 		size_t i;
65 
66 		m = mc->gmc_mech;
67 		if (m == NULL) {
68 	       		gss_release_buffer_set(minor_status, &set);
69 			*minor_status = 0;
70 			return GSS_S_BAD_MECH;
71 		}
72 
73 		if (m->gm_inquire_cred_by_oid == NULL)
74 			continue;
75 
76 		status = m->gm_inquire_cred_by_oid(minor_status,
77 		    mc->gmc_cred, desired_object, &rset);
78 		if (status != GSS_S_COMPLETE)
79 			continue;
80 
81 		for (i = 0; i < rset->count; i++) {
82 			status = gss_add_buffer_set_member(minor_status,
83 			     &rset->elements[i], &set);
84 			if (status != GSS_S_COMPLETE)
85 				break;
86 		}
87 		gss_release_buffer_set(minor_status, &rset);
88 	}
89 	if (set == GSS_C_NO_BUFFER_SET)
90 		status = GSS_S_FAILURE;
91 	*data_set = set;
92 	*minor_status = 0;
93 	return status;
94 }
95 
96