xref: /freebsd/sys/kgssapi/gss_release_name.c (revision 2008043f386721d58158e37e0d7e50df8095942d)
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 #include <sys/param.h>
32 #include <sys/jail.h>
33 #include <sys/kernel.h>
34 #include <sys/kobj.h>
35 #include <sys/lock.h>
36 #include <sys/malloc.h>
37 #include <sys/mutex.h>
38 
39 #include <kgssapi/gssapi.h>
40 #include <kgssapi/gssapi_impl.h>
41 
42 #include "gssd.h"
43 
44 OM_uint32
45 gss_release_name(OM_uint32 *minor_status, gss_name_t *input_name)
46 {
47 	struct release_name_res res;
48 	struct release_name_args args;
49 	enum clnt_stat stat;
50 	gss_name_t name;
51 	CLIENT *cl;
52 
53 	*minor_status = 0;
54 
55 	KGSS_CURVNET_SET_QUIET(KGSS_TD_TO_VNET(curthread));
56 	if (!KGSS_VNET(kgss_gssd_handle)) {
57 		KGSS_CURVNET_RESTORE();
58 		return (GSS_S_FAILURE);
59 	}
60 	KGSS_CURVNET_RESTORE();
61 
62 	if (*input_name) {
63 		name = *input_name;
64 		args.input_name = name->handle;
65 
66 		cl = kgss_gssd_client();
67 		if (cl == NULL)
68 			return (GSS_S_FAILURE);
69 		stat = gssd_release_name_1(&args, &res, cl);
70 		CLNT_RELEASE(cl);
71 		if (stat != RPC_SUCCESS) {
72 			*minor_status = stat;
73 			return (GSS_S_FAILURE);
74 		}
75 
76 		free(name, M_GSSAPI);
77 		*input_name = NULL;
78 
79 		if (res.major_status != GSS_S_COMPLETE) {
80 			*minor_status = res.minor_status;
81 			return (res.major_status);
82 		}
83 	}
84 
85 	return (GSS_S_COMPLETE);
86 }
87