xref: /freebsd/lib/libgssapi/gss_pname_to_uid.c (revision 2e3f49888ec8851bafb22011533217487764fdb0)
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 
30 #include <unistd.h>
31 #include <gssapi/gssapi.h>
32 
33 #include "mech_switch.h"
34 #include "name.h"
35 #include "utils.h"
36 
37 OM_uint32
38 gss_pname_to_uid(OM_uint32 *minor_status, const gss_name_t pname,
39     const gss_OID mech, uid_t *uidp)
40 {
41 	struct _gss_name *name = (struct _gss_name *) pname;
42 	struct _gss_mech_switch *m;
43 	struct _gss_mechanism_name *mn;
44 	OM_uint32 major_status;
45 
46 	*minor_status = 0;
47 
48 	if (pname == GSS_C_NO_NAME)
49 		return (GSS_S_BAD_NAME);
50 
51 	m = _gss_find_mech_switch(mech);
52 	if (!m)
53 		return (GSS_S_BAD_MECH);
54 
55 	if (m->gm_pname_to_uid == NULL)
56 		return (GSS_S_UNAVAILABLE);
57 
58 	major_status = _gss_find_mn(minor_status, name, mech, &mn);
59 	if (major_status != GSS_S_COMPLETE) {
60 		_gss_mg_error(m, major_status, *minor_status);
61 		return (major_status);
62 	}
63 
64 	major_status = (*m->gm_pname_to_uid)(minor_status, mn->gmn_name,
65 	    mech, uidp);
66 	if (major_status != GSS_S_COMPLETE)
67 		_gss_mg_error(m, major_status, *minor_status);
68 
69 	return (major_status);
70 }
71