1178825Sdfr/*
2178825Sdfr * Copyright (c) 1997-2003 Kungliga Tekniska H�gskolan
3178825Sdfr * (Royal Institute of Technology, Stockholm, Sweden).
4178825Sdfr * All rights reserved.
5178825Sdfr *
6178825Sdfr * Redistribution and use in source and binary forms, with or without
7178825Sdfr * modification, are permitted provided that the following conditions
8178825Sdfr * are met:
9178825Sdfr *
10178825Sdfr * 1. Redistributions of source code must retain the above copyright
11178825Sdfr *    notice, this list of conditions and the following disclaimer.
12178825Sdfr *
13178825Sdfr * 2. Redistributions in binary form must reproduce the above copyright
14178825Sdfr *    notice, this list of conditions and the following disclaimer in the
15178825Sdfr *    documentation and/or other materials provided with the distribution.
16178825Sdfr *
17178825Sdfr * 3. Neither the name of the Institute nor the names of its contributors
18178825Sdfr *    may be used to endorse or promote products derived from this software
19178825Sdfr *    without specific prior written permission.
20178825Sdfr *
21178825Sdfr * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22178825Sdfr * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23178825Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24178825Sdfr * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25178825Sdfr * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26178825Sdfr * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27178825Sdfr * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28178825Sdfr * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29178825Sdfr * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30178825Sdfr * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31178825Sdfr * SUCH DAMAGE.
32178825Sdfr */
33178825Sdfr
34178825Sdfr#include "krb5/gsskrb5_locl.h"
35178825Sdfr
36178825SdfrRCSID("$Id: release_cred.c 20753 2007-05-31 22:50:06Z lha $");
37178825Sdfr
38178825SdfrOM_uint32 _gsskrb5_release_cred
39178825Sdfr           (OM_uint32 * minor_status,
40178825Sdfr            gss_cred_id_t * cred_handle
41178825Sdfr           )
42178825Sdfr{
43178825Sdfr    krb5_context context;
44178825Sdfr    gsskrb5_cred cred;
45178825Sdfr    OM_uint32 junk;
46178825Sdfr
47178825Sdfr    *minor_status = 0;
48178825Sdfr
49178825Sdfr    if (*cred_handle == NULL)
50178825Sdfr        return GSS_S_COMPLETE;
51178825Sdfr
52178825Sdfr    cred = (gsskrb5_cred)*cred_handle;
53178825Sdfr    *cred_handle = GSS_C_NO_CREDENTIAL;
54178825Sdfr
55178825Sdfr    GSSAPI_KRB5_INIT (&context);
56178825Sdfr
57178825Sdfr    HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
58178825Sdfr
59178825Sdfr    if (cred->principal != NULL)
60178825Sdfr        krb5_free_principal(context, cred->principal);
61178825Sdfr    if (cred->keytab != NULL)
62178825Sdfr	krb5_kt_close(context, cred->keytab);
63178825Sdfr    if (cred->ccache != NULL) {
64178825Sdfr	const krb5_cc_ops *ops;
65178825Sdfr	ops = krb5_cc_get_ops(context, cred->ccache);
66178825Sdfr	if (cred->cred_flags & GSS_CF_DESTROY_CRED_ON_RELEASE)
67178825Sdfr	    krb5_cc_destroy(context, cred->ccache);
68178825Sdfr	else
69178825Sdfr	    krb5_cc_close(context, cred->ccache);
70178825Sdfr    }
71178825Sdfr    gss_release_oid_set(&junk, &cred->mechanisms);
72178825Sdfr    if (cred->enctypes)
73178825Sdfr	free(cred->enctypes);
74178825Sdfr    HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
75178825Sdfr    HEIMDAL_MUTEX_destroy(&cred->cred_id_mutex);
76178825Sdfr    memset(cred, 0, sizeof(*cred));
77178825Sdfr    free(cred);
78178825Sdfr    return GSS_S_COMPLETE;
79178825Sdfr}
80178825Sdfr
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