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/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
* Copyright (C) 2006 Massachusetts Institute of Technology.
* All Rights Reserved.
*
* This software is being provided to you, the LICENSEE, by the
* Massachusetts Institute of Technology (M.I.T.) under the following
* license. By obtaining, using and/or copying this software, you agree
* that you have read, understood, and will comply with these terms and
* conditions:
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify and distribute
* this software and its documentation for any purpose and without fee or
* royalty is hereby granted, provided that you agree to comply with the
* following copyright notice and statements, including the disclaimer, and
* that the same appear on ALL copies of the software and documentation,
* including modifications that you make for internal use or for
* distribution:
*
* THIS SOFTWARE IS PROVIDED "AS IS", AND M.I.T. MAKES NO REPRESENTATIONS
* OR WARRANTIES, EXPRESS OR IMPLIED. By way of example, but not
* limitation, M.I.T. MAKES NO REPRESENTATIONS OR WARRANTIES OF
* MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT THE USE OF
* THE LICENSED SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY
* PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
*
* The name of the Massachusetts Institute of Technology or M.I.T. may NOT
* be used in advertising or publicity pertaining to distribution of the
* software. Title to copyright in this software and any associated
* documentation shall at all times remain with M.I.T., and USER agrees to
* preserve same.
*
* Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
*/
/* Just those definitions which are needed by util/support/plugins.c,
which gets compiled before util/et is built, which happens before
we can construct krb5.h, which is included by k5-int.h.
So, no krb5 types. */
#ifndef K5_PLUGIN_H
#define K5_PLUGIN_H
#if defined(_MSDOS) || defined(_WIN32)
#include "win-mac.h"
#endif
#include "autoconf.h"
#ifndef KRB5_CALLCONV
#define KRB5_CALLCONV
#define KRB5_CALLCONV_C
#endif
#ifdef HAVE_STDINT_H
# include <stdint.h>
#elif defined(HAVE_INTTYPES_H)
# include <inttypes.h>
#endif
#include "k5-err.h"
/*
* Plugins normally export fixed symbol names, but when statically
* linking plugins, we need a different symbol name for each plugin.
* The first argument to PLUGIN_SYMBOL_NAME acts as the
* differentiator, and is only used for static plugin linking.
*
* Although this macro (and thus this header file) are used in plugins
* whose code lies inside the krb5 tree, plugins maintained separately
* from the krb5 tree do not need it; they can just use the fixed
* symbol name unconditionally.
*/
#ifdef STATIC_PLUGINS
#define PLUGIN_SYMBOL_NAME(prefix, symbol) prefix ## _ ## symbol
#else
#define PLUGIN_SYMBOL_NAME(prefix, symbol) symbol
#endif
struct plugin_file_handle; /* opaque */
struct plugin_dir_handle {
/* This points to a NULL-terminated list of pointers to plugin_file_handle structs */
struct plugin_file_handle **files;
};
#define PLUGIN_DIR_INIT(P) ((P)->files = NULL)
#define PLUGIN_DIR_OPEN(P) ((P)->files != NULL)
long KRB5_CALLCONV
krb5int_open_plugin (const char *, struct plugin_file_handle **, struct errinfo *);
void KRB5_CALLCONV
krb5int_close_plugin (struct plugin_file_handle *);
long KRB5_CALLCONV
krb5int_get_plugin_data (struct plugin_file_handle *, const char *, void **,
struct errinfo *);
long KRB5_CALLCONV
krb5int_get_plugin_func (struct plugin_file_handle *, const char *,
void (**)(), struct errinfo *);
long KRB5_CALLCONV
krb5int_open_plugin_dirs (const char * const *, const char * const *,
struct plugin_dir_handle *, struct errinfo *);
void KRB5_CALLCONV
krb5int_close_plugin_dirs (struct plugin_dir_handle *);
long KRB5_CALLCONV
krb5int_get_plugin_dir_data (struct plugin_dir_handle *, const char *,
void ***, struct errinfo *);
void KRB5_CALLCONV
krb5int_free_plugin_dir_data (void **);
long KRB5_CALLCONV
krb5int_get_plugin_dir_func (struct plugin_dir_handle *, const char *,
void (***)(void), struct errinfo *);
void KRB5_CALLCONV
krb5int_free_plugin_dir_func (void (**)(void));
#endif /* K5_PLUGIN_H */
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