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/jail.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
38#include <kgssapi/gssapi.h>
39#include <kgssapi/gssapi_impl.h>
40
41#include "gssd.h"
42
43OM_uint32
44gss_release_cred(OM_uint32 *minor_status, gss_cred_id_t *cred_handle)
45{
46	struct release_cred_res res;
47	struct release_cred_args args;
48	enum clnt_stat stat;
49	CLIENT *cl;
50
51	*minor_status = 0;
52
53	KGSS_CURVNET_SET_QUIET(KGSS_TD_TO_VNET(curthread));
54	if (!KGSS_VNET(kgss_gssd_handle)) {
55		KGSS_CURVNET_RESTORE();
56		return (GSS_S_FAILURE);
57	}
58	KGSS_CURVNET_RESTORE();
59
60	if (*cred_handle) {
61		args.cred = (*cred_handle)->handle;
62
63		cl = kgss_gssd_client();
64		if (cl == NULL)
65			return (GSS_S_FAILURE);
66		stat = gssd_release_cred_1(&args, &res, cl);
67		CLNT_RELEASE(cl);
68		if (stat != RPC_SUCCESS) {
69			*minor_status = stat;
70			return (GSS_S_FAILURE);
71		}
72
73		free((*cred_handle), M_GSSAPI);
74		*cred_handle = NULL;
75
76		*minor_status = res.minor_status;
77		return (res.major_status);
78	}
79
80	return (GSS_S_COMPLETE);
81}
82