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
44    *minor_status = 0;
45
46    if (*cred_handle == NULL)
47        return GSS_S_COMPLETE;
48
49    cred = (gsskrb5_cred)*cred_handle;
50    *cred_handle = GSS_C_NO_CREDENTIAL;
51
52    GSSAPI_KRB5_INIT (&context);
53
54    HEIMDAL_MUTEX_lock(&cred->cred_id_mutex);
55
56    if (cred->principal != NULL)
57        krb5_free_principal(context, cred->principal);
58    if (cred->keytab != NULL)
59	krb5_kt_close(context, cred->keytab);
60    if (cred->ccache != NULL) {
61	if (cred->cred_flags & GSS_CF_DESTROY_CRED_ON_RELEASE)
62	    krb5_cc_destroy(context, cred->ccache);
63	else
64	    krb5_cc_close(context, cred->ccache);
65    }
66    if (cred->enctypes)
67	free(cred->enctypes);
68#ifdef PKINIT
69    if (cred->cert)
70	hx509_cert_free(cred->cert);
71#endif
72    if (cred->password) {
73	memset(cred->password, 0, strlen(cred->password));
74	free(cred->password);
75    }
76    HEIMDAL_MUTEX_unlock(&cred->cred_id_mutex);
77    HEIMDAL_MUTEX_destroy(&cred->cred_id_mutex);
78    memset(cred, 0, sizeof(*cred));
79    free(cred);
80    return GSS_S_COMPLETE;
81}
82
83