xref: /netbsd-src/crypto/external/bsd/heimdal/dist/lib/krb5/pcache.c (revision d3273b5b76f5afaafe308cead5511dbb8df8c5e9)
1 /*	$NetBSD: pcache.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
2 
3 /***********************************************************************
4  * Copyright (c) 2010, Secure Endpoints Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  * - Redistributions of source code must retain the above copyright
12  *   notice, this list of conditions and the following disclaimer.
13  *
14  * - Redistributions in binary form must reproduce the above copyright
15  *   notice, this list of conditions and the following disclaimer in
16  *   the documentation and/or other materials provided with the
17  *   distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
24  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
25  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
28  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
30  * OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  **********************************************************************/
33 
34 #include "krb5_locl.h"
35 #include "ccache_plugin.h"
36 #ifdef HAVE_DLFCN_H
37 #include <dlfcn.h>
38 #endif
39 #include <assert.h>
40 
41 /*
42  * cc_plugin_register_to_context is executed once per krb5_init_context().
43  * Its job is to register the plugin's krb5_cc_ops structure with the
44  * krb5_context.
45  */
46 
47 static krb5_error_code KRB5_LIB_CALL
cc_plugin_register_to_context(krb5_context context,const void * plug,void * plugctx,void * userctx)48 cc_plugin_register_to_context(krb5_context context, const void *plug, void *plugctx, void *userctx)
49 {
50     krb5_cc_ops *ccops = (krb5_cc_ops *)plugctx;
51     krb5_error_code ret;
52 
53     if (ccops == NULL || ccops->version < KRB5_CC_OPS_VERSION)
54        return KRB5_PLUGIN_NO_HANDLE;
55 
56     ret = krb5_cc_register(context, ccops, TRUE);
57     if (ret != 0)
58        *((krb5_error_code *)userctx) = ret;
59 
60     return KRB5_PLUGIN_NO_HANDLE;
61 }
62 
63 KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
_krb5_load_ccache_plugins(krb5_context context)64 _krb5_load_ccache_plugins(krb5_context context)
65 {
66     krb5_error_code userctx = 0;
67 
68     (void)_krb5_plugin_run_f(context, "krb5", KRB5_PLUGIN_CCACHE,
69 			     0, 0, &userctx, cc_plugin_register_to_context);
70 
71     return userctx;
72 }
73