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[FreeBSD/releng/9.2.git] / lib / libgssapi / gss_release_cred.c
1 /*-
2  * Copyright (c) 2005 Doug Rabson
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  *      $FreeBSD$
27  */
28
29 #include <gssapi/gssapi.h>
30 #include <stdlib.h>
31 #include <errno.h>
32
33 #include "mech_switch.h"
34 #include "cred.h"
35
36 OM_uint32
37 gss_release_cred(OM_uint32 *minor_status, gss_cred_id_t *cred_handle)
38 {
39         struct _gss_cred *cred = (struct _gss_cred *) *cred_handle;
40         struct _gss_mechanism_cred *mc;
41
42         if (*cred_handle == GSS_C_NO_CREDENTIAL)
43             return (GSS_S_COMPLETE);
44
45         while (SLIST_FIRST(&cred->gc_mc)) {
46                 mc = SLIST_FIRST(&cred->gc_mc);
47                 SLIST_REMOVE_HEAD(&cred->gc_mc, gmc_link);
48                 mc->gmc_mech->gm_release_cred(minor_status, &mc->gmc_cred);
49                 free(mc);
50         }
51         free(cred);
52
53         *minor_status = 0;
54         *cred_handle = GSS_C_NO_CREDENTIAL;
55         return (GSS_S_COMPLETE);
56 }