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ccselect_plugin.h	4.11 KB	Del OK
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hostrealm_plugin.h	5.33 KB	Del OK
kadm5_hook_plugin.h	6.02 KB	Del OK
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Edit: kadm5_hook_plugin.h

/* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */ /* * Copyright (C) 2010 by the Massachusetts Institute of Technology. * All rights reserved. * * 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 is hereby granted, provided that the above copyright * notice appear in all copies and that both that copyright notice and * this permission notice appear in supporting documentation, and that * the name of M.I.T. not be used in advertising or publicity pertaining * to distribution of the software without specific, written prior * permission. 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. * M.I.T. makes no representations about the suitability of * this software for any purpose. It is provided "as is" without express * or implied warranty. */ #ifndef H_KRB5_KADM5_HOOK_PLUGIN #define H_KRB5_KADM5_HOOK_PLUGIN /** * @file krb5/krb5_kadm5_hook_plugin.h * Provide a plugin interface for kadm5 operations. This interface * permits a plugin to intercept principal modification, creation and * change password operations. Operations run at two stages: a * precommit stage that runs before the operation is committed to the * database and a postcommit operation that runs after the database * is updated; see #kadm5_hook_stage for details on semantics. * * This interface is based on a proposed extension to Heimdal by Russ * Allbery; it is likely that Heimdal will adopt an approach based on * stacked kdb modules rather than this interface. For MIT, writing a * plugin to this interface is significantly easier than stacking kdb * modules. Also, the kadm5 interface is significantly more stable * than the kdb interface, so this approach is more desirable than * stacked kdb modules. * * This interface depends on kadm5/admin.h. As such, the interface * does not provide strong guarantees of ABI stability. * * The kadm5_hook interface currently has only one supported major version, * which is 1. Major version 1 has a current minor version number of 2. * * kadm5_hook plugins should: * kadm5_hook_<modulename>_initvt, matching the signature: * * krb5_error_code * kadm5_hook_modname_initvt(krb5_context context, int maj_ver, int min_ver, * krb5_plugin_vtable vtable); * * The initvt function should: * * - Check that the supplied maj_ver number is supported by the module, or * return KRB5_PLUGIN_VER_NOTSUPP if it is not. * * - Cast the vtable pointer as appropriate for maj_ver: * maj_ver == 1: Cast to kadm5_hook_vftable_1 * * - Initialize the methods of the vtable, stopping as appropriate for the * supplied min_ver. Optional methods may be left uninitialized. * * Memory for the vtable is allocated by the caller, not by the module. */ #include <krb5/krb5.h> #include <krb5/plugin.h> #include <kadm5/admin.h> /** * Whether the operation is being run before or after the database * update. */ enum kadm5_hook_stage { /** In this stage, any plugin failure prevents following plugins from * running and aborts the operation.*/ KADM5_HOOK_STAGE_PRECOMMIT, /** In this stage, plugin failures are logged but otherwise ignored.*/ KADM5_HOOK_STAGE_POSTCOMMIT }; /** Opaque module data pointer. */ typedef struct kadm5_hook_modinfo_st kadm5_hook_modinfo; /** * Interface for the v1 virtual table for the kadm5_hook plugin. * All entry points are optional. The name field must be provided. */ typedef struct kadm5_hook_vtable_1_st { /** A text string identifying the plugin for logging messages. */ const char *name; /** Initialize a plugin module. * @param modinfo returns newly allocated module info for future * calls. Cleaned up by the fini() function. */ kadm5_ret_t (*init)(krb5_context, kadm5_hook_modinfo **modinfo); /** Clean up a module and free @a modinfo. */ void (*fini)(krb5_context, kadm5_hook_modinfo *modinfo); /** Indicates that the password is being changed. * @param stage is an integer from #kadm5_hook_stage enumeration * @param keepold is true if existing keys are being kept. * @param newpass is NULL if the key sare being randomized. */ kadm5_ret_t (*chpass)(krb5_context, kadm5_hook_modinfo *modinfo, int stage, krb5_principal, krb5_boolean keepold, int n_ks_tuple, krb5_key_salt_tuple *ks_tuple, const char *newpass); /** Indicate a principal is created. */ kadm5_ret_t (*create)(krb5_context, kadm5_hook_modinfo *, int stage, kadm5_principal_ent_t, long mask, int n_ks_tuple, krb5_key_salt_tuple *ks_tuple, const char *password); /** Modify a principal. */ kadm5_ret_t (*modify)(krb5_context, kadm5_hook_modinfo *, int stage, kadm5_principal_ent_t, long mask); /** Indicate a principal is deleted. */ kadm5_ret_t (*remove)(krb5_context, kadm5_hook_modinfo *modinfo, int stage, krb5_principal); /* End of minor version 1. */ /** Indicate a principal is renamed. */ kadm5_ret_t (*rename)(krb5_context, kadm5_hook_modinfo *modinfo, int stage, krb5_principal, krb5_principal); /* End of minor version 2. */ } kadm5_hook_vftable_1; #endif /*H_KRB5_KADM5_HOOK_PLUGIN*/
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