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: releng/11.2/sys/kgssapi/gss_acquire_cred.c 244370 2012-12-18 00:25:48Z rmacklem $");
30
31 #include <sys/param.h>
32 #include <sys/kernel.h>
33 #include <sys/kobj.h>
34 #include <sys/lock.h>
35 #include <sys/malloc.h>
36 #include <sys/mutex.h>
37 #include <sys/proc.h>
38
39 #include <kgssapi/gssapi.h>
40 #include <kgssapi/gssapi_impl.h>
41
42 #include "gssd.h"
43
44 OM_uint32
45 gss_acquire_cred(OM_uint32 *minor_status,
46 const gss_name_t desired_name,
47 OM_uint32 time_req,
48 const gss_OID_set desired_mechs,
49 gss_cred_usage_t cred_usage,
50 gss_cred_id_t *output_cred_handle,
51 gss_OID_set *actual_mechs,
52 OM_uint32 *time_rec)
53 {
54 OM_uint32 major_status;
55 struct acquire_cred_res res;
56 struct acquire_cred_args args;
57 enum clnt_stat stat;
58 gss_cred_id_t cred;
59 int i;
60 CLIENT *cl;
61
62 *minor_status = 0;
63 cl = kgss_gssd_client();
64 if (cl == NULL)
65 return (GSS_S_FAILURE);
66
67 args.uid = curthread->td_ucred->cr_uid;
68 if (desired_name)
69 args.desired_name = desired_name->handle;
70 else
71 args.desired_name = 0;
72 args.time_req = time_req;
73 args.desired_mechs = desired_mechs;
74 args.cred_usage = cred_usage;
75
76 bzero(&res, sizeof(res));
77 stat = gssd_acquire_cred_1(&args, &res, cl);
78 CLNT_RELEASE(cl);
79 if (stat != RPC_SUCCESS) {
80 *minor_status = stat;
81 return (GSS_S_FAILURE);
82 }
83
84 if (res.major_status != GSS_S_COMPLETE) {
85 *minor_status = res.minor_status;
86 return (res.major_status);
87 }
88
89 cred = malloc(sizeof(struct _gss_cred_id_t), M_GSSAPI, M_WAITOK);
90 cred->handle = res.output_cred;
91 *output_cred_handle = cred;
92 if (actual_mechs) {
93 major_status = gss_create_empty_oid_set(minor_status,
94 actual_mechs);
95 if (major_status)
96 return (major_status);
97 for (i = 0; i < res.actual_mechs->count; i++) {
98 major_status = gss_add_oid_set_member(minor_status,
99 &res.actual_mechs->elements[i], actual_mechs);
100 if (major_status)
101 return (major_status);
102 }
103 }
104 if (time_rec)
105 *time_rec = res.time_rec;
106
107 xdr_free((xdrproc_t) xdr_acquire_cred_res, &res);
108
109 return (GSS_S_COMPLETE);
110 }
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