1 /*	$NetBSD: release_cred.c,v 1.1.1.1 2011/04/13 18:14:45 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 1997-2003 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
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  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include "gsskrb5_locl.h"
37 
_gsskrb5_release_cred(OM_uint32 * minor_status,gss_cred_id_t * cred_handle)38 OM_uint32 GSSAPI_CALLCONV _gsskrb5_release_cred
39            (OM_uint32 * minor_status,
40             gss_cred_id_t * cred_handle
41            )
42 {
43     krb5_context context;
44     gsskrb5_cred cred;
45     OM_uint32 junk;
46 
47     *minor_status = 0;
48 
49     if (*cred_handle == NULL)
50         return GSS_S_COMPLETE;
51 
52     cred = (gsskrb5_cred)*cred_handle;
53     *cred_handle = GSS_C_NO_CREDENTIAL;
54 
55     GSSAPI_KRB5_INIT (&context);
56 
57     HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
58 
59     if (cred->principal != NULL)
60         krb5_free_principal(context, cred->principal);
61     if (cred->keytab != NULL)
62 	krb5_kt_close(context, cred->keytab);
63     if (cred->ccache != NULL) {
64 	if (cred->cred_flags & GSS_CF_DESTROY_CRED_ON_RELEASE)
65 	    krb5_cc_destroy(context, cred->ccache);
66 	else
67 	    krb5_cc_close(context, cred->ccache);
68     }
69     gss_release_oid_set(&junk, &cred->mechanisms);
70     if (cred->enctypes)
71 	free(cred->enctypes);
72     HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
73     HEIMDAL_MUTEX_destroy(&cred->cred_id_mutex);
74     memset(cred, 0, sizeof(*cred));
75     free(cred);
76     return GSS_S_COMPLETE;
77 }
78 
79