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