xref: /freebsd/sys/kgssapi/gss_release_name.c (revision d91f8db5f1822c43cd256f19aae1d059e4b25a26)
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/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 
33 #include <sys/param.h>
34 #include <sys/jail.h>
35 #include <sys/kernel.h>
36 #include <sys/kobj.h>
37 #include <sys/lock.h>
38 #include <sys/malloc.h>
39 #include <sys/mutex.h>
40 
41 #include <kgssapi/gssapi.h>
42 #include <kgssapi/gssapi_impl.h>
43 
44 #include "gssd.h"
45 
46 OM_uint32
47 gss_release_name(OM_uint32 *minor_status, gss_name_t *input_name)
48 {
49 	struct release_name_res res;
50 	struct release_name_args args;
51 	enum clnt_stat stat;
52 	gss_name_t name;
53 	CLIENT *cl;
54 
55 	*minor_status = 0;
56 
57 	KGSS_CURVNET_SET_QUIET(KGSS_TD_TO_VNET(curthread));
58 	if (!KGSS_VNET(kgss_gssd_handle)) {
59 		KGSS_CURVNET_RESTORE();
60 		return (GSS_S_FAILURE);
61 	}
62 	KGSS_CURVNET_RESTORE();
63 
64 	if (*input_name) {
65 		name = *input_name;
66 		args.input_name = name->handle;
67 
68 		cl = kgss_gssd_client();
69 		if (cl == NULL)
70 			return (GSS_S_FAILURE);
71 		stat = gssd_release_name_1(&args, &res, cl);
72 		CLNT_RELEASE(cl);
73 		if (stat != RPC_SUCCESS) {
74 			*minor_status = stat;
75 			return (GSS_S_FAILURE);
76 		}
77 
78 		free(name, M_GSSAPI);
79 		*input_name = NULL;
80 
81 		if (res.major_status != GSS_S_COMPLETE) {
82 			*minor_status = res.minor_status;
83 			return (res.major_status);
84 		}
85 	}
86 
87 	return (GSS_S_COMPLETE);
88 }
89