xref: /freebsd/sys/kgssapi/gss_release_cred.c (revision 193d9e768ba63fcfb187cfd17f461f7d41345048)
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 
38 #include <kgssapi/gssapi.h>
39 #include <kgssapi/gssapi_impl.h>
40 
41 #include "gssd.h"
42 
43 OM_uint32
44 gss_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 	if (!kgss_gssd_handle)
54 		return (GSS_S_FAILURE);
55 
56 	if (*cred_handle) {
57 		args.cred = (*cred_handle)->handle;
58 
59 		cl = kgss_gssd_client();
60 		if (cl == NULL)
61 			return (GSS_S_FAILURE);
62 		stat = gssd_release_cred_1(&args, &res, cl);
63 		CLNT_RELEASE(cl);
64 		if (stat != RPC_SUCCESS) {
65 			*minor_status = stat;
66 			return (GSS_S_FAILURE);
67 		}
68 
69 		free((*cred_handle), M_GSSAPI);
70 		*cred_handle = NULL;
71 
72 		*minor_status = res.minor_status;
73 		return (res.major_status);
74 	}
75 
76 	return (GSS_S_COMPLETE);
77 }
78