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
35OM_uint32
36gss_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