1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2005 Doug Rabson
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 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <gssapi/gssapi.h>
30
31 #include "mech_switch.h"
32 #include "cred.h"
33 #include "name.h"
34
35 OM_uint32
gss_inquire_cred_by_mech(OM_uint32 * minor_status,const gss_cred_id_t cred_handle,const gss_OID mech_type,gss_name_t * cred_name,OM_uint32 * initiator_lifetime,OM_uint32 * acceptor_lifetime,gss_cred_usage_t * cred_usage)36 gss_inquire_cred_by_mech(OM_uint32 *minor_status,
37 const gss_cred_id_t cred_handle,
38 const gss_OID mech_type,
39 gss_name_t *cred_name,
40 OM_uint32 *initiator_lifetime,
41 OM_uint32 *acceptor_lifetime,
42 gss_cred_usage_t *cred_usage)
43 {
44 OM_uint32 major_status;
45 struct _gss_mech_switch *m;
46 struct _gss_mechanism_cred *mcp;
47 gss_cred_id_t mc;
48 gss_name_t mn;
49 struct _gss_name *name;
50
51 *minor_status = 0;
52 if (cred_name)
53 *cred_name = GSS_C_NO_NAME;
54 if (initiator_lifetime)
55 *initiator_lifetime = 0;
56 if (acceptor_lifetime)
57 *acceptor_lifetime = 0;
58 if (cred_usage)
59 *cred_usage = 0;
60
61 m = _gss_find_mech_switch(mech_type);
62 if (!m)
63 return (GSS_S_NO_CRED);
64
65 if (cred_handle != GSS_C_NO_CREDENTIAL) {
66 struct _gss_cred *cred = (struct _gss_cred *) cred_handle;
67 SLIST_FOREACH(mcp, &cred->gc_mc, gmc_link)
68 if (mcp->gmc_mech == m)
69 break;
70 if (!mcp)
71 return (GSS_S_NO_CRED);
72 mc = mcp->gmc_cred;
73 } else {
74 mc = GSS_C_NO_CREDENTIAL;
75 }
76
77 major_status = m->gm_inquire_cred_by_mech(minor_status, mc, mech_type,
78 &mn, initiator_lifetime, acceptor_lifetime, cred_usage);
79 if (major_status != GSS_S_COMPLETE) {
80 _gss_mg_error(m, major_status, *minor_status);
81 return (major_status);
82 }
83
84 if (cred_name) {
85 name = _gss_make_name(m, mn);
86 if (!name) {
87 m->gm_release_name(minor_status, &mn);
88 return (GSS_S_NO_CRED);
89 }
90 *cred_name = (gss_name_t) name;
91 } else {
92 m->gm_release_name(minor_status, &mn);
93 }
94
95 return (GSS_S_COMPLETE);
96 }
97