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1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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2 /*
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3 * Copyright (C) 2010 by the Massachusetts Institute of Technology.
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4 * All rights reserved.
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5 *
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6 * Export of this software from the United States of America may
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7 * require a specific license from the United States Government.
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8 * It is the responsibility of any person or organization contemplating
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9 * export to obtain such a license before exporting.
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10 *
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11 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
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12 * distribute this software and its documentation for any purpose and
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13 * without fee is hereby granted, provided that the above copyright
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14 * notice appear in all copies and that both that copyright notice and
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15 * this permission notice appear in supporting documentation, and that
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16 * the name of M.I.T. not be used in advertising or publicity pertaining
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17 * to distribution of the software without specific, written prior
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18 * permission. Furthermore if you modify this software you must label
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19 * your software as modified software and not distribute it in such a
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20 * fashion that it might be confused with the original M.I.T. software.
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21 * M.I.T. makes no representations about the suitability of
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22 * this software for any purpose. It is provided "as is" without express
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23 * or implied warranty.
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24 */
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25
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26 /* Generic declarations for dynamic modules implementing krb5 plugin
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27 * modules. */
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28
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29 #ifndef KRB5_PLUGIN_H
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30 #define KRB5_PLUGIN_H
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31
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32 /* krb5_plugin_vtable is an abstract type. Module initvt functions will cast
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33 * it to the appropriate interface-specific vtable type. */
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34 typedef struct krb5_plugin_vtable_st *krb5_plugin_vtable;
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35
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36 /*
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37 * krb5_plugin_initvt_fn is the type of all module initvt functions. Based on
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38 * the maj_ver argument, the initvt function should cast vtable to the
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39 * appropriate type and then fill it in. If a vtable has been expanded,
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40 * min_ver indicates which version of the vtable is being filled in.
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41 */
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42 typedef krb5_error_code
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43 (*krb5_plugin_initvt_fn)(krb5_context context, int maj_ver, int min_ver,
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44 krb5_plugin_vtable vtable);
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45
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46 #endif /* KRB5_PLUGIN_H */
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