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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 "krb5/gsskrb5_locl.h"
35
36 RCSID("$Id$");
37
38 OM_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