jpayne@69: /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
jpayne@69: /*
jpayne@69:  * Copyright (C) 2010 by the Massachusetts Institute of Technology.
jpayne@69:  * All rights reserved.
jpayne@69:  *
jpayne@69:  * Export of this software from the United States of America may
jpayne@69:  *   require a specific license from the United States Government.
jpayne@69:  *   It is the responsibility of any person or organization contemplating
jpayne@69:  *   export to obtain such a license before exporting.
jpayne@69:  *
jpayne@69:  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
jpayne@69:  * distribute this software and its documentation for any purpose and
jpayne@69:  * without fee is hereby granted, provided that the above copyright
jpayne@69:  * notice appear in all copies and that both that copyright notice and
jpayne@69:  * this permission notice appear in supporting documentation, and that
jpayne@69:  * the name of M.I.T. not be used in advertising or publicity pertaining
jpayne@69:  * to distribution of the software without specific, written prior
jpayne@69:  * permission.  Furthermore if you modify this software you must label
jpayne@69:  * your software as modified software and not distribute it in such a
jpayne@69:  * fashion that it might be confused with the original M.I.T. software.
jpayne@69:  * M.I.T. makes no representations about the suitability of
jpayne@69:  * this software for any purpose.  It is provided "as is" without express
jpayne@69:  * or implied warranty.
jpayne@69:  */
jpayne@69: 
jpayne@69: /* Generic declarations for dynamic modules implementing krb5 plugin
jpayne@69:  * modules. */
jpayne@69: 
jpayne@69: #ifndef KRB5_PLUGIN_H
jpayne@69: #define KRB5_PLUGIN_H
jpayne@69: 
jpayne@69: /* krb5_plugin_vtable is an abstract type.  Module initvt functions will cast
jpayne@69:  * it to the appropriate interface-specific vtable type. */
jpayne@69: typedef struct krb5_plugin_vtable_st *krb5_plugin_vtable;
jpayne@69: 
jpayne@69: /*
jpayne@69:  * krb5_plugin_initvt_fn is the type of all module initvt functions.  Based on
jpayne@69:  * the maj_ver argument, the initvt function should cast vtable to the
jpayne@69:  * appropriate type and then fill it in.  If a vtable has been expanded,
jpayne@69:  * min_ver indicates which version of the vtable is being filled in.
jpayne@69:  */
jpayne@69: typedef krb5_error_code
jpayne@69: (*krb5_plugin_initvt_fn)(krb5_context context, int maj_ver, int min_ver,
jpayne@69:                          krb5_plugin_vtable vtable);
jpayne@69: 
jpayne@69: #endif /* KRB5_PLUGIN_H */