gss_pname_to_uid.c revision 184588 
1/*-
2 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
3 * Authors: Doug Rabson <dfr@rabson.org>
4 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__FBSDID("$FreeBSD: head/sys/kgssapi/gss_pname_to_uid.c 184588 2008-11-03 10:38:00Z dfr $");
30
31#include <sys/param.h>
32#include <sys/kernel.h>
33#include <sys/kobj.h>
34#include <sys/malloc.h>
35
36#include <kgssapi/gssapi.h>
37#include <kgssapi/gssapi_impl.h>
38
39#include "kgss_if.h"
40
41OM_uint32
42gss_pname_to_uid(OM_uint32 *minor_status, const gss_name_t pname,
43    const gss_OID mech, uid_t *uidp)
44{
45	struct pname_to_uid_res res;
46	struct pname_to_uid_args args;
47	enum clnt_stat stat;
48
49	*minor_status = 0;
50
51	if (!kgss_gssd_handle)
52		return (GSS_S_FAILURE);
53
54	if (pname == GSS_C_NO_NAME)
55		return (GSS_S_BAD_NAME);
56
57	args.pname = pname->handle;
58	args.mech = mech;
59
60	bzero(&res, sizeof(res));
61	stat = gssd_pname_to_uid_1(&args, &res, kgss_gssd_handle);
62	if (stat != RPC_SUCCESS) {
63		*minor_status = stat;
64		return (GSS_S_FAILURE);
65	}
66
67	if (res.major_status != GSS_S_COMPLETE) {
68		*minor_status = res.minor_status;
69		return (res.major_status);
70	}
71
72	*uidp = res.uid;
73	return (GSS_S_COMPLETE);
74}
75
76OM_uint32
77gss_pname_to_unix_cred(OM_uint32 *minor_status, const gss_name_t pname,
78    const gss_OID mech, uid_t *uidp, gid_t *gidp,
79    int *numgroups, gid_t *groups)
80
81{
82	struct pname_to_uid_res res;
83	struct pname_to_uid_args args;
84	enum clnt_stat stat;
85	int i, n;
86
87	*minor_status = 0;
88
89	if (!kgss_gssd_handle)
90		return (GSS_S_FAILURE);
91
92	if (pname == GSS_C_NO_NAME)
93		return (GSS_S_BAD_NAME);
94
95	args.pname = pname->handle;
96	args.mech = mech;
97
98	bzero(&res, sizeof(res));
99	stat = gssd_pname_to_uid_1(&args, &res, kgss_gssd_handle);
100	if (stat != RPC_SUCCESS) {
101		*minor_status = stat;
102		return (GSS_S_FAILURE);
103	}
104
105	if (res.major_status != GSS_S_COMPLETE) {
106		*minor_status = res.minor_status;
107		return (res.major_status);
108	}
109
110	*uidp = res.uid;
111	*gidp = res.gid;
112	n = res.gidlist.gidlist_len;
113	if (n > *numgroups)
114		n = *numgroups;
115	for (i = 0; i < n; i++)
116		groups[i] = res.gidlist.gidlist_val[i];
117	*numgroups = n;
118
119	xdr_free((xdrproc_t) xdr_pname_to_uid_res, &res);
120
121	return (GSS_S_COMPLETE);
122}
123