xref: /freebsd/lib/libgssapi/gss_pname_to_uid.c (revision ba3c1f5972d7b90feb6e6da47905ff2757e0fe57)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
5  * Authors: Doug Rabson <dfr@rabson.org>
6  * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 /* $FreeBSD$ */
30 
31 #include <unistd.h>
32 #include <gssapi/gssapi.h>
33 
34 #include "mech_switch.h"
35 #include "name.h"
36 #include "utils.h"
37 
38 OM_uint32
39 gss_pname_to_uid(OM_uint32 *minor_status, const gss_name_t pname,
40     const gss_OID mech, uid_t *uidp)
41 {
42 	struct _gss_name *name = (struct _gss_name *) pname;
43 	struct _gss_mech_switch *m;
44 	struct _gss_mechanism_name *mn;
45 	OM_uint32 major_status;
46 
47 	*minor_status = 0;
48 
49 	if (pname == GSS_C_NO_NAME)
50 		return (GSS_S_BAD_NAME);
51 
52 	m = _gss_find_mech_switch(mech);
53 	if (!m)
54 		return (GSS_S_BAD_MECH);
55 
56 	if (m->gm_pname_to_uid == NULL)
57 		return (GSS_S_UNAVAILABLE);
58 
59 	major_status = _gss_find_mn(minor_status, name, mech, &mn);
60 	if (major_status != GSS_S_COMPLETE) {
61 		_gss_mg_error(m, major_status, *minor_status);
62 		return (major_status);
63 	}
64 
65 	major_status = (*m->gm_pname_to_uid)(minor_status, mn->gmn_name,
66 	    mech, uidp);
67 	if (major_status != GSS_S_COMPLETE)
68 		_gss_mg_error(m, major_status, *minor_status);
69 
70 	return (major_status);
71 }
72