1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 #include <sys/param.h>
34 #include <sys/kernel.h>
35 #include <sys/kobj.h>
36 #include <sys/lock.h>
37 #include <sys/malloc.h>
38 #include <sys/mutex.h>
39 #include <sys/proc.h>
40
41 #include <kgssapi/gssapi.h>
42 #include <kgssapi/gssapi_impl.h>
43
44 #include "gssd.h"
45
46 OM_uint32
47 gss_acquire_cred(OM_uint32 *minor_status,
48 const gss_name_t desired_name,
49 OM_uint32 time_req,
50 const gss_OID_set desired_mechs,
51 gss_cred_usage_t cred_usage,
52 gss_cred_id_t *output_cred_handle,
53 gss_OID_set *actual_mechs,
54 OM_uint32 *time_rec)
55 {
56 OM_uint32 major_status;
57 struct acquire_cred_res res;
58 struct acquire_cred_args args;
59 enum clnt_stat stat;
60 gss_cred_id_t cred;
61 int i;
62 CLIENT *cl;
63
64 *minor_status = 0;
65 cl = kgss_gssd_client();
66 if (cl == NULL)
67 return (GSS_S_FAILURE);
68
69 args.uid = curthread->td_ucred->cr_uid;
70 if (desired_name)
71 args.desired_name = desired_name->handle;
72 else
73 args.desired_name = 0;
74 args.time_req = time_req;
75 args.desired_mechs = desired_mechs;
76 args.cred_usage = cred_usage;
77
78 bzero(&res, sizeof(res));
79 stat = gssd_acquire_cred_1(&args, &res, cl);
80 CLNT_RELEASE(cl);
81 if (stat != RPC_SUCCESS) {
82 *minor_status = stat;
83 return (GSS_S_FAILURE);
84 }
85
86 if (res.major_status != GSS_S_COMPLETE) {
87 *minor_status = res.minor_status;
88 return (res.major_status);
89 }
90
91 cred = malloc(sizeof(struct _gss_cred_id_t), M_GSSAPI, M_WAITOK);
92 cred->handle = res.output_cred;
93 *output_cred_handle = cred;
94 if (actual_mechs) {
95 major_status = gss_create_empty_oid_set(minor_status,
96 actual_mechs);
97 if (major_status)
98 return (major_status);
99 for (i = 0; i < res.actual_mechs->count; i++) {
100 major_status = gss_add_oid_set_member(minor_status,
101 &res.actual_mechs->elements[i], actual_mechs);
102 if (major_status)
103 return (major_status);
104 }
105 }
106 if (time_rec)
107 *time_rec = res.time_rec;
108
109 xdr_free((xdrproc_t) xdr_acquire_cred_res, &res);
110
111 return (GSS_S_COMPLETE);
112 }
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