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File Content: `client_plugin.h`

#ifndef MYSQL_CLIENT_PLUGIN_INCLUDED
/* Copyright (c) 2010, 2022, Oracle and/or its affiliates.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License, version 2.0,
   as published by the Free Software Foundation.

   This program is also distributed with certain software (including
   but not limited to OpenSSL) that is licensed under separate terms,
   as designated in a particular file or component or in included license
   documentation.  The authors of MySQL hereby grant you an additional
   permission to link the program and your derivative works with the
   separately licensed software that they have included with MySQL.

   Without limiting anything contained in the foregoing, this file,
   which is part of C Driver for MySQL (Connector/C), is also subject to the
   Universal FOSS Exception, version 1.0, a copy of which can be found at
   http://oss.oracle.com/licenses/universal-foss-exception.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License, version 2.0, for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

/**
  @file

  MySQL Client Plugin API

  This file defines the API for plugins that work on the client side
*/
#define MYSQL_CLIENT_PLUGIN_INCLUDED

#ifndef MYSQL_ABI_CHECK
#include <stdarg.h>
#include <stdlib.h>
#endif

/*
  On Windows, exports from DLL need to be declared.
  Also, plugin needs to be declared as extern "C" because MSVC
  unlike other compilers, uses C++ mangling for variables not only
  for functions.
*/

#undef MYSQL_PLUGIN_EXPORT

#if defined(_MSC_VER)
#if defined(MYSQL_DYNAMIC_PLUGIN)
  #ifdef __cplusplus
    #define MYSQL_PLUGIN_EXPORT extern "C" __declspec(dllexport)
  #else
    #define MYSQL_PLUGIN_EXPORT __declspec(dllexport)
  #endif
#else /* MYSQL_DYNAMIC_PLUGIN */
  #ifdef __cplusplus
    #define  MYSQL_PLUGIN_EXPORT extern "C"
  #else
    #define MYSQL_PLUGIN_EXPORT
  #endif
#endif /*MYSQL_DYNAMIC_PLUGIN */
#else /*_MSC_VER */
#define MYSQL_PLUGIN_EXPORT
#endif


#ifdef __cplusplus
extern "C" {
#endif

/* known plugin types */
#define MYSQL_CLIENT_reserved1               0
#define MYSQL_CLIENT_reserved2               1
#define MYSQL_CLIENT_AUTHENTICATION_PLUGIN   2
#define MYSQL_CLIENT_TRACE_PLUGIN            3

#define MYSQL_CLIENT_AUTHENTICATION_PLUGIN_INTERFACE_VERSION  0x0100
#define MYSQL_CLIENT_TRACE_PLUGIN_INTERFACE_VERSION           0x0100

#define MYSQL_CLIENT_MAX_PLUGINS             4

#define mysql_declare_client_plugin(X)          \
     MYSQL_PLUGIN_EXPORT struct st_mysql_client_plugin_ ## X        \
        _mysql_client_plugin_declaration_ = {   \
          MYSQL_CLIENT_ ## X ## _PLUGIN,        \
          MYSQL_CLIENT_ ## X ## _PLUGIN_INTERFACE_VERSION,
#define mysql_end_client_plugin             }

/* generic plugin header structure */
#define MYSQL_CLIENT_PLUGIN_HEADER                      \
  int type;                                             \
  unsigned int interface_version;                       \
  const char *name;                                     \
  const char *author;                                   \
  const char *desc;                                     \
  unsigned int version[3];                              \
  const char *license;                                  \
  void *mysql_api;                                      \
  int (*init)(char *, size_t, int, va_list);            \
  int (*deinit)(void);                                  \
  int (*options)(const char *option, const void *);

struct st_mysql_client_plugin
{
  MYSQL_CLIENT_PLUGIN_HEADER
};

struct st_mysql;

/******** authentication plugin specific declarations *********/
#include "plugin_auth_common.h"

struct st_mysql_client_plugin_AUTHENTICATION
{
  MYSQL_CLIENT_PLUGIN_HEADER
  int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, struct st_mysql *mysql);
};

/******** using plugins ************/

/**
  loads a plugin and initializes it

  @param mysql  MYSQL structure.
  @param name   a name of the plugin to load
  @param type   type of plugin that should be loaded, -1 to disable type check
  @param argc   number of arguments to pass to the plugin initialization
                function
  @param ...    arguments for the plugin initialization function

  @retval
  a pointer to the loaded plugin, or NULL in case of a failure
*/
struct st_mysql_client_plugin *
mysql_load_plugin(struct st_mysql *mysql, const char *name, int type,
                  int argc, ...);

/**
  loads a plugin and initializes it, taking va_list as an argument

  This is the same as mysql_load_plugin, but take va_list instead of
  a list of arguments.

  @param mysql  MYSQL structure.
  @param name   a name of the plugin to load
  @param type   type of plugin that should be loaded, -1 to disable type check
  @param argc   number of arguments to pass to the plugin initialization
                function
  @param args   arguments for the plugin initialization function

  @retval
  a pointer to the loaded plugin, or NULL in case of a failure
*/
struct st_mysql_client_plugin *
mysql_load_plugin_v(struct st_mysql *mysql, const char *name, int type,
                    int argc, va_list args);

/**
  finds an already loaded plugin by name, or loads it, if necessary

  @param mysql  MYSQL structure.
  @param name   a name of the plugin to load
  @param type   type of plugin that should be loaded

  @retval
  a pointer to the plugin, or NULL in case of a failure
*/
struct st_mysql_client_plugin *
mysql_client_find_plugin(struct st_mysql *mysql, const char *name, int type);

/**
  adds a plugin structure to the list of loaded plugins

  This is useful if an application has the necessary functionality
  (for example, a special load data handler) statically linked into
  the application binary. It can use this function to register the plugin
  directly, avoiding the need to factor it out into a shared object.

  @param mysql  MYSQL structure. It is only used for error reporting
  @param plugin an st_mysql_client_plugin structure to register

  @retval
  a pointer to the plugin, or NULL in case of a failure
*/
struct st_mysql_client_plugin *
mysql_client_register_plugin(struct st_mysql *mysql,
                             struct st_mysql_client_plugin *plugin);

/**
  set plugin options

  Can be used to set extra options and affect behavior for a plugin.
  This function may be called multiple times to set several options

  @param plugin an st_mysql_client_plugin structure
  @param option a string which specifies the option to set
  @param value  value for the option.

  @retval 0 on success, 1 in case of failure
**/
int mysql_plugin_options(struct st_mysql_client_plugin *plugin,
                         const char *option, const void *value);


#ifdef __cplusplus
}
#endif

#endif

Name	Size	Permission
psi	---	0755
client_authentication.h	1658 bytes	0644
client_plugin.h	7143 bytes	0644
client_plugin.h.pp	1988 bytes	0644
com_data.h	3515 bytes	0644
get_password.h	1601 bytes	0644
group_replication_priv.h	5138 bytes	0644
innodb_priv.h	2570 bytes	0644
mysql_lex_string.h	1505 bytes	0644
plugin.h	26707 bytes	0644
plugin_audit.h	17944 bytes	0644
plugin_audit.h.pp	14023 bytes	0644
plugin_audit.h.pp.lve	13897 bytes	0644
plugin_auth.h	5767 bytes	0644
plugin_auth.h.pp	5147 bytes	0644
plugin_auth_common.h	5529 bytes	0644
plugin_ftparser.h	8047 bytes	0644
plugin_ftparser.h.pp	4871 bytes	0644
plugin_group_replication.h	6072 bytes	0644
plugin_keyring.h	6694 bytes	0644
plugin_keyring.h.pp	4458 bytes	0644
plugin_trace.h	12551 bytes	0644
plugin_validate_password.h	1986 bytes	0644
service_command.h	13882 bytes	0644
service_locking.h	4737 bytes	0644
service_my_plugin_log.h	2082 bytes	0644
service_my_snprintf.h	3812 bytes	0644
service_mysql_alloc.h	3163 bytes	0644
service_mysql_keyring.h	2858 bytes	0644
service_mysql_password_policy.h	2840 bytes	0644
service_mysql_string.h	5758 bytes	0644
service_parser.h	9814 bytes	0644
service_rpl_transaction_ctx.h	2764 bytes	0644
service_rpl_transaction_write_set.h	3663 bytes	0644
service_rules_table.h	5499 bytes	0644
service_security_context.h	4467 bytes	0644
service_srv_session.h	5300 bytes	0644
service_srv_session_info.h	5646 bytes	0644
service_ssl_wrapper.h	5558 bytes	0644
service_thd_alloc.h	4734 bytes	0644
service_thd_engine_lock.h	1898 bytes	0644
service_thd_wait.h	4348 bytes	0644
service_thread_scheduler.h	3079 bytes	0644
services.h	2351 bytes	0644
services.h.pp	22307 bytes	0644
thread_pool_priv.h	6652 bytes	0644
thread_type.h	1787 bytes	0644

File Content: client_plugin.h

File Content: `client_plugin.h`