1/*
2 * Copyright (c) 1997-2003 Kungliga Tekniska Högskolan
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 "gsskrb5_locl.h"
35
36OM_uint32 GSSAPI_CALLCONV _gsskrb5_release_cred
37           (OM_uint32 * minor_status,
38            gss_cred_id_t * cred_handle
39           )
40{
41    krb5_context context;
42    gsskrb5_cred cred;
43    OM_uint32 junk;
44
45    *minor_status = 0;
46
47    if (*cred_handle == NULL)
48        return GSS_S_COMPLETE;
49
50    cred = (gsskrb5_cred)*cred_handle;
51    *cred_handle = GSS_C_NO_CREDENTIAL;
52
53    GSSAPI_KRB5_INIT (&context);
54
55    HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
56
57    if (cred->principal != NULL)
58        krb5_free_principal(context, cred->principal);
59    if (cred->keytab != NULL)
60	krb5_kt_close(context, cred->keytab);
61    if (cred->ccache != NULL) {
62	if (cred->cred_flags & GSS_CF_DESTROY_CRED_ON_RELEASE)
63	    krb5_cc_destroy(context, cred->ccache);
64	else
65	    krb5_cc_close(context, cred->ccache);
66    }
67    gss_release_oid_set(&junk, &cred->mechanisms);
68    if (cred->enctypes)
69	free(cred->enctypes);
70    HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
71    HEIMDAL_MUTEX_destroy(&cred->cred_id_mutex);
72    memset(cred, 0, sizeof(*cred));
73    free(cred);
74    return GSS_S_COMPLETE;
75}
76
77