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