1/*
2 * Copyright (c) 1997-2003 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
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 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
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 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "krb5/gsskrb5_locl.h"
35
36RCSID("$Id: release_cred.c 20753 2007-05-31 22:50:06Z lha $");
37
38OM_uint32 _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	const krb5_cc_ops *ops;
65	ops = krb5_cc_get_ops(context, cred->ccache);
66	if (cred->cred_flags & GSS_CF_DESTROY_CRED_ON_RELEASE)
67	    krb5_cc_destroy(context, cred->ccache);
68	else
69	    krb5_cc_close(context, cred->ccache);
70    }
71    gss_release_oid_set(&junk, &cred->mechanisms);
72    if (cred->enctypes)
73	free(cred->enctypes);
74    HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
75    HEIMDAL_MUTEX_destroy(&cred->cred_id_mutex);
76    memset(cred, 0, sizeof(*cred));
77    free(cred);
78    return GSS_S_COMPLETE;
79}
80
81