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("$FreeBSD$");
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
44OM_uint32
45gss_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}
111