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