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      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
     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
     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