merge.

checkpoint.
does not compile.

include/mysql/client_plugin.h

@@ -0,0 +1,166 @@
+#ifndef MYSQL_CLIENT_PLUGIN_INCLUDED
+/* Copyright (C) 2010 Sergei Golubchik and Monty Program Ab
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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
+
+/* known plugin types */
+#define MYSQL_CLIENT_reserved1               0
+#define MYSQL_CLIENT_reserved2               1
+#define MYSQL_CLIENT_AUTHENTICATION_PLUGIN   2
+
+#define MYSQL_CLIENT_AUTHENTICATION_PLUGIN_INTERFACE_VERSION  0x0100
+
+#define MYSQL_CLIENT_MAX_PLUGINS             3
+
+#define mysql_declare_client_plugin(X)          \
+     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];                              \
+  int (*init)(char *, size_t, int, va_list);            \
+  int (*deinit)();
+
+struct st_mysql_client_plugin
+{
+  MYSQL_CLIENT_PLUGIN_HEADER
+};
+
+struct st_mysql;
+
+/******** authentication plugin specific declarations *********/
+#include <mysql/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);
+};
+
+/**
+  type of the mysql_authentication_dialog_ask function
+
+  @param mysql          mysql
+  @param type           type of the input
+                        1 - ordinary string input
+                        2 - password string
+  @param prompt         prompt
+  @param buf            a buffer to store the use input
+  @param buf_len        the length of the buffer
+
+  @retval               a pointer to the user input string.
+                        It may be equal to 'buf' or to 'mysql->password'.
+                        In all other cases it is assumed to be an allocated
+                        string, and the "dialog" plugin will free() it.
+*/
+typedef char *(*mysql_authentication_dialog_ask_t)(struct st_mysql *mysql,
+                      int type, const char *prompt, char *buf, int buf_len);
+/******** using plugins ************/
+
+/**
+  loads a plugin and initializes it
+
+  @param mysql  MYSQL structure. only MYSQL_PLUGIN_DIR option value is used,
+                and last_errno/last_error, for error reporting
+  @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. only MYSQL_PLUGIN_DIR option value is used,
+                and last_errno/last_error, for error reporting
+  @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. only MYSQL_PLUGIN_DIR option value is used,
+                and last_errno/last_error, for error reporting
+  @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);
+
+#endif
+

include/mysql/client_plugin.h.pp

@@ -0,0 +1,39 @@
+struct st_mysql_client_plugin
+{
+  int type; unsigned int interface_version; const char *name; const char *author; const char *desc; unsigned int version[3]; int (*init)(char *, size_t, int, va_list); int (*deinit)();
+};
+struct st_mysql;
+#include <mysql/plugin_auth_common.h>
+typedef struct st_plugin_vio_info
+{
+  enum { MYSQL_VIO_INVALID, MYSQL_VIO_TCP, MYSQL_VIO_SOCKET,
+         MYSQL_VIO_PIPE, MYSQL_VIO_MEMORY } protocol;
+  int socket;
+} MYSQL_PLUGIN_VIO_INFO;
+typedef struct st_plugin_vio
+{
+  int (*read_packet)(struct st_plugin_vio *vio,
+                     unsigned char **buf);
+  int (*write_packet)(struct st_plugin_vio *vio,
+                      const unsigned char *packet,
+                      int packet_len);
+  void (*info)(struct st_plugin_vio *vio, struct st_plugin_vio_info *info);
+} MYSQL_PLUGIN_VIO;
+struct st_mysql_client_plugin_AUTHENTICATION
+{
+  int type; unsigned int interface_version; const char *name; const char *author; const char *desc; unsigned int version[3]; int (*init)(char *, size_t, int, va_list); int (*deinit)();
+  int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, struct st_mysql *mysql);
+};
+typedef char *(*mysql_authentication_dialog_ask_t)(struct st_mysql *mysql,
+                      int type, const char *prompt, char *buf, int buf_len);
+struct st_mysql_client_plugin *
+mysql_load_plugin(struct st_mysql *mysql, const char *name, int type,
+                  int argc, ...);
+struct st_mysql_client_plugin *
+mysql_load_plugin_v(struct st_mysql *mysql, const char *name, int type,
+                    int argc, va_list args);
+struct st_mysql_client_plugin *
+mysql_client_find_plugin(struct st_mysql *mysql, const char *name, int type);
+struct st_mysql_client_plugin *
+mysql_client_register_plugin(struct st_mysql *mysql,
+                             struct st_mysql_client_plugin *plugin);

include/mysql/plugin.h

@@ -71,8 +71,12 @@ typedef struct st_mysql_xid MYSQL_XID;
   Plugin API. Common for all plugin types.
 */
 
+/* MySQL plugin interface version */
 #define MYSQL_PLUGIN_INTERFACE_VERSION 0x0102
 
+/* MariaDB plugin interface version */
+#define MARIA_PLUGIN_INTERFACE_VERSION 0x0100
+
 /*
   The allowable types of plugins
 */
@@ -83,7 +87,8 @@ typedef struct st_mysql_xid MYSQL_XID;
 #define MYSQL_INFORMATION_SCHEMA_PLUGIN  4  /* The I_S plugin type */
 #define MYSQL_AUDIT_PLUGIN           5  /* The Audit plugin type        */
 #define MYSQL_REPLICATION_PLUGIN     6	/* The replication plugin type */
-#define MYSQL_MAX_PLUGIN_TYPE_NUM    7  /* The number of plugin types   */
+#define MYSQL_AUTHENTICATION_PLUGIN  7  /* The authentication plugin type */
+#define MYSQL_MAX_PLUGIN_TYPE_NUM    8  /* The number of plugin types   */
 
 /* We use the following strings to define licenses for plugins */
 #define PLUGIN_LICENSE_PROPRIETARY 0
@@ -94,6 +99,14 @@ typedef struct st_mysql_xid MYSQL_XID;
 #define PLUGIN_LICENSE_GPL_STRING "GPL"
 #define PLUGIN_LICENSE_BSD_STRING "BSD"
 
+/* definitions of code maturity for plugins */
+#define MariaDB_PLUGIN_MATURITY_UNKNOWN 0
+#define MariaDB_PLUGIN_MATURITY_EXPERIMENTAL 1
+#define MariaDB_PLUGIN_MATURITY_ALPHA 2
+#define MariaDB_PLUGIN_MATURITY_BETA 3
+#define MariaDB_PLUGIN_MATURITY_GAMMA 4
+#define MariaDB_PLUGIN_MATURITY_STABLE 5
+
 /*
   Macros for beginning and ending plugin declarations.  Between
   mysql_declare_plugin and mysql_declare_plugin_end there should
@@ -103,14 +116,26 @@ typedef struct st_mysql_xid MYSQL_XID;
 
 #ifndef MYSQL_DYNAMIC_PLUGIN
 #define __MYSQL_DECLARE_PLUGIN(NAME, VERSION, PSIZE, DECLS)                   \
-MYSQL_PLUGIN_EXPORT int VERSION= MYSQL_PLUGIN_INTERFACE_VERSION;                                  \
-MYSQL_PLUGIN_EXPORT int PSIZE= sizeof(struct st_mysql_plugin);                                    \
-MYSQL_PLUGIN_EXPORT struct st_mysql_plugin DECLS[]= {
+int VERSION= MYSQL_PLUGIN_INTERFACE_VERSION;                                  \
+int PSIZE= sizeof(struct st_mysql_plugin);                                    \
+struct st_mysql_plugin DECLS[]= {
+
+#define MARIA_DECLARE_PLUGIN__(NAME, VERSION, PSIZE, DECLS)                   \
+int VERSION= MARIA_PLUGIN_INTERFACE_VERSION;                                  \
+int PSIZE= sizeof(struct st_maria_plugin);                                    \
+struct st_maria_plugin DECLS[]= {
 #else
+
 #define __MYSQL_DECLARE_PLUGIN(NAME, VERSION, PSIZE, DECLS)                   \
 MYSQL_PLUGIN_EXPORT int _mysql_plugin_interface_version_= MYSQL_PLUGIN_INTERFACE_VERSION;         \
 MYSQL_PLUGIN_EXPORT int _mysql_sizeof_struct_st_plugin_= sizeof(struct st_mysql_plugin);          \
 MYSQL_PLUGIN_EXPORT struct st_mysql_plugin _mysql_plugin_declarations_[]= {
+
+#define MARIA_DECLARE_PLUGIN__(NAME, VERSION, PSIZE, DECLS)                \
+MYSQL_PLUGIN_EXPORT int _maria_plugin_interface_version_= MARIA_PLUGIN_INTERFACE_VERSION;   \
+MYSQL_PLUGIN_EXPORT int _maria_sizeof_struct_st_plugin_= sizeof(struct st_maria_plugin);    \
+MYSQL_PLUGIN_EXPORT struct st_maria_plugin _maria_plugin_declarations_[]= {
+
 #endif
 
 #define mysql_declare_plugin(NAME) \
@@ -119,7 +144,14 @@ __MYSQL_DECLARE_PLUGIN(NAME, \
                  builtin_ ## NAME ## _sizeof_struct_st_plugin, \
                  builtin_ ## NAME ## _plugin)
 
+#define maria_declare_plugin(NAME) \
+MARIA_DECLARE_PLUGIN__(NAME, \
+                 builtin_maria_ ## NAME ## _plugin_interface_version, \
+                 builtin_maria_ ## NAME ## _sizeof_struct_st_plugin, \
+                 builtin_maria_ ## NAME ## _plugin)
+
 #define mysql_declare_plugin_end ,{0,0,0,0,0,0,0,0,0,0,0,0}}
+#define maria_declare_plugin_end ,{0,0,0,0,0,0,0,0,0,0,0,0,0}}
 
 /*
   declarations for SHOW STATUS support in plugins
@@ -239,7 +271,7 @@ typedef void (*mysql_var_update_func)(MYSQL_THD thd,
 #define DECLARE_MYSQL_SYSVAR_BASIC(name, type) struct { \
   MYSQL_PLUGIN_VAR_HEADER;      \
   type *value;                  \
-  const type def_val;           \
+  const type def_val;                 \
 } MYSQL_SYSVAR_NAME(name)
 
 #define DECLARE_MYSQL_SYSVAR_SIMPLE(name, type) struct { \
@@ -276,7 +308,7 @@ typedef void (*mysql_var_update_func)(MYSQL_THD thd,
 #define DECLARE_MYSQL_THDVAR_TYPELIB(name, type) struct { \
   MYSQL_PLUGIN_VAR_HEADER;      \
   int offset;                   \
-  type def_val;                 \
+  const type def_val;           \
   DECLARE_THDVAR_FUNC(type);    \
   TYPELIB *typelib;             \
 } MYSQL_SYSVAR_NAME(name)
@@ -416,6 +448,30 @@ struct st_mysql_plugin
   void * __reserved1;   /* reserved for dependency checking             */
 };
 
+/*
+  MariaDB extension for plugins declaration structure.
+
+  It also copy current MySQL plugin fields to have more independency
+  in plugins extension
+*/
+
+struct st_maria_plugin
+{
+  int type;             /* the plugin type (a MYSQL_XXX_PLUGIN value)   */
+  void *info;           /* pointer to type-specific plugin descriptor   */
+  const char *name;     /* plugin name                                  */
+  const char *author;   /* plugin author (for SHOW PLUGINS)             */
+  const char *descr;    /* general descriptive text (for SHOW PLUGINS ) */
+  int license;          /* the plugin license (PLUGIN_LICENSE_XXX)      */
+  int (*init)(void *);  /* the function to invoke when plugin is loaded */
+  int (*deinit)(void *);/* the function to invoke when plugin is unloaded */
+  unsigned int version; /* plugin version (for SHOW PLUGINS)            */
+  struct st_mysql_show_var *status_vars;
+  struct st_mysql_sys_var **system_vars;
+  const char *version_info;  /* plugin version string */
+  unsigned int maturity; /* MariaDB_PLUGIN_MATURITY_XXX */
+};
+
 /*************************************************************************
   API for Full-text parser plugin. (MYSQL_FTPARSER_PLUGIN)
 */
@@ -526,7 +582,6 @@ int thd_in_lock_tables(const MYSQL_THD thd);
 int thd_tablespace_op(const MYSQL_THD thd);
 long long thd_test_options(const MYSQL_THD thd, long long test_options);
 int thd_sql_command(const MYSQL_THD thd);
-const char *thd_proc_info(MYSQL_THD thd, const char *info);
 void **thd_ha_data(const MYSQL_THD thd, const struct handlerton *hton);
 void thd_storage_lock_wait(MYSQL_THD thd, long long value);
 int thd_tx_isolation(const MYSQL_THD thd);
@@ -535,6 +590,10 @@ char *thd_security_context(MYSQL_THD thd, char *buffer, unsigned int length,
 /* Increments the row counter, see THD::row_count */
 void thd_inc_row_count(MYSQL_THD thd);
 
+#define thd_proc_info(thd, msg)  set_thd_proc_info(thd, msg, __func__, __FILE__, __LINE__)
+const char *set_thd_proc_info(MYSQL_THD, const char * info, const char *func,
+                              const char *file, const unsigned int line);
+
 /**
   Create a temporary file.
 

include/mysql/plugin_auth.h

@@ -0,0 +1,83 @@
+#ifndef MYSQL_PLUGIN_AUTH_INCLUDED
+/* Copyright (C) 2010 Sergei Golubchik and Monty Program Ab
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/**
+  @file
+
+  Authentication Plugin API.
+
+  This file defines the API for server authentication plugins.
+*/
+
+#define MYSQL_PLUGIN_AUTH_INCLUDED
+
+#include <mysql/plugin.h>
+
+#define MYSQL_AUTHENTICATION_INTERFACE_VERSION 0x0100
+
+#include <mysql/plugin_auth_common.h>
+
+/**
+  Provides server plugin access to authentication information
+*/
+typedef struct st_mysql_server_auth_info
+{
+  /**
+    User name as sent by the client and shown in USER().
+    NULL if the client packet with the user name was not received yet.
+  */
+  const char *user_name;
+  /**
+    A corresponding column value from the mysql.user table for the
+    matching account name
+  */
+  const char *auth_string;
+
+  /**
+    Matching account name as found in the mysql.user table.
+    A plugin can override it with another name that will be
+    used by MySQL for authorization, and shown in CURRENT_USER()
+  */
+  char authenticated_as[MYSQL_USERNAME_LENGTH+1]; 
+  /**
+    This only affects the "Authentication failed. Password used: %s"
+    error message. If set, %s will be YES, otherwise - NO.
+    Set it as appropriate or ignore at will.
+  */
+  int  password_used;
+} MYSQL_SERVER_AUTH_INFO;
+
+/**
+  Server authentication plugin descriptor
+*/
+struct st_mysql_auth
+{
+  int interface_version;                        /**< version plugin uses */
+  /**
+    A plugin that a client must use for authentication with this server
+    plugin. Can be NULL to mean "any plugin".
+  */
+  const char *client_auth_plugin;
+  /**
+    Function provided by the plugin which should perform authentication (using
+    the vio functions if necessary) and return 0 if successful. The plugin can
+    also fill the info.authenticated_as field if a different username should be
+    used for authorization.
+  */
+  int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info);
+};
+#endif
+

include/mysql/plugin_auth.h.pp

@@ -0,0 +1,209 @@
+#include <mysql/plugin.h>
+#include <mysql/services.h>
+#include <mysql/service_my_snprintf.h>
+extern struct my_snprintf_service_st {
+  size_t (*my_snprintf_type)(char*, size_t, const char*, ...);
+  size_t (*my_vsnprintf_type)(char *, size_t, const char*, va_list);
+} *my_snprintf_service;
+size_t my_snprintf(char* to, size_t n, const char* fmt, ...);
+size_t my_vsnprintf(char *to, size_t n, const char* fmt, va_list ap);
+#include <mysql/service_thd_alloc.h>
+struct st_mysql_lex_string
+{
+  char *str;
+  size_t length;
+};
+typedef struct st_mysql_lex_string MYSQL_LEX_STRING;
+extern struct thd_alloc_service_st {
+  void *(*thd_alloc_func)(void*, unsigned int);
+  void *(*thd_calloc_func)(void*, unsigned int);
+  char *(*thd_strdup_func)(void*, const char *);
+  char *(*thd_strmake_func)(void*, const char *, unsigned int);
+  void *(*thd_memdup_func)(void*, const void*, unsigned int);
+  MYSQL_LEX_STRING *(*thd_make_lex_string_func)(void*, MYSQL_LEX_STRING *,
+                                        const char *, unsigned int, int);
+} *thd_alloc_service;
+void *thd_alloc(void* thd, unsigned int size);
+void *thd_calloc(void* thd, unsigned int size);
+char *thd_strdup(void* thd, const char *str);
+char *thd_strmake(void* thd, const char *str, unsigned int size);
+void *thd_memdup(void* thd, const void* str, unsigned int size);
+MYSQL_LEX_STRING *thd_make_lex_string(void* thd, MYSQL_LEX_STRING *lex_str,
+                                      const char *str, unsigned int size,
+                                      int allocate_lex_string);
+struct st_mysql_xid {
+  long formatID;
+  long gtrid_length;
+  long bqual_length;
+  char data[128];
+};
+typedef struct st_mysql_xid MYSQL_XID;
+enum enum_mysql_show_type
+{
+  SHOW_UNDEF, SHOW_BOOL, SHOW_INT, SHOW_LONG,
+  SHOW_LONGLONG, SHOW_CHAR, SHOW_CHAR_PTR,
+  SHOW_ARRAY, SHOW_FUNC, SHOW_DOUBLE,
+  SHOW_always_last
+};
+struct st_mysql_show_var {
+  const char *name;
+  char *value;
+  enum enum_mysql_show_type type;
+};
+typedef int (*mysql_show_var_func)(void*, struct st_mysql_show_var*, char *);
+struct st_mysql_sys_var;
+struct st_mysql_value;
+typedef int (*mysql_var_check_func)(void* thd,
+                                    struct st_mysql_sys_var *var,
+                                    void *save, struct st_mysql_value *value);
+typedef void (*mysql_var_update_func)(void* thd,
+                                      struct st_mysql_sys_var *var,
+                                      void *var_ptr, const void *save);
+struct st_mysql_plugin
+{
+  int type;
+  void *info;
+  const char *name;
+  const char *author;
+  const char *descr;
+  int license;
+  int (*init)(void *);
+  int (*deinit)(void *);
+  unsigned int version;
+  struct st_mysql_show_var *status_vars;
+  struct st_mysql_sys_var **system_vars;
+  void * __reserved1;
+};
+struct st_maria_plugin
+{
+  int type;
+  void *info;
+  const char *name;
+  const char *author;
+  const char *descr;
+  int license;
+  int (*init)(void *);
+  int (*deinit)(void *);
+  unsigned int version;
+  struct st_mysql_show_var *status_vars;
+  struct st_mysql_sys_var **system_vars;
+  const char *version_info;
+  unsigned int maturity;
+};
+enum enum_ftparser_mode
+{
+  MYSQL_FTPARSER_SIMPLE_MODE= 0,
+  MYSQL_FTPARSER_WITH_STOPWORDS= 1,
+  MYSQL_FTPARSER_FULL_BOOLEAN_INFO= 2
+};
+enum enum_ft_token_type
+{
+  FT_TOKEN_EOF= 0,
+  FT_TOKEN_WORD= 1,
+  FT_TOKEN_LEFT_PAREN= 2,
+  FT_TOKEN_RIGHT_PAREN= 3,
+  FT_TOKEN_STOPWORD= 4
+};
+typedef struct st_mysql_ftparser_boolean_info
+{
+  enum enum_ft_token_type type;
+  int yesno;
+  int weight_adjust;
+  char wasign;
+  char trunc;
+  char prev;
+  char *quot;
+} MYSQL_FTPARSER_BOOLEAN_INFO;
+typedef int mysql_ft_size_t;
+typedef struct st_mysql_ftparser_param
+{
+  int (*mysql_parse)(struct st_mysql_ftparser_param *,
+                     const unsigned char *doc, mysql_ft_size_t doc_len);
+  int (*mysql_add_word)(struct st_mysql_ftparser_param *,
+                        const unsigned char *word, mysql_ft_size_t word_len,
+                        MYSQL_FTPARSER_BOOLEAN_INFO *boolean_info);
+  void *ftparser_state;
+  void *mysql_ftparam;
+  const struct charset_info_st *cs;
+  const unsigned char *doc;
+  mysql_ft_size_t length;
+  unsigned int flags;
+  enum enum_ftparser_mode mode;
+} MYSQL_FTPARSER_PARAM;
+struct st_mysql_ftparser
+{
+  int interface_version;
+  int (*parse)(MYSQL_FTPARSER_PARAM *param);
+  int (*init)(MYSQL_FTPARSER_PARAM *param);
+  int (*deinit)(MYSQL_FTPARSER_PARAM *param);
+};
+struct st_mysql_storage_engine
+{
+  int interface_version;
+};
+struct handlerton;
+struct st_mysql_daemon
+{
+  int interface_version;
+};
+struct st_mysql_information_schema
+{
+  int interface_version;
+};
+struct st_mysql_value
+{
+  int (*value_type)(struct st_mysql_value *);
+  const char *(*val_str)(struct st_mysql_value *, char *buffer, int *length);
+  int (*val_real)(struct st_mysql_value *, double *realbuf);
+  int (*val_int)(struct st_mysql_value *, long long *intbuf);
+};
+int thd_in_lock_tables(const void* thd);
+int thd_tablespace_op(const void* thd);
+long long thd_test_options(const void* thd, long long test_options);
+int thd_sql_command(const void* thd);
+void **thd_ha_data(const void* thd, const struct handlerton *hton);
+int thd_tx_isolation(const void* thd);
+char *thd_security_context(void* thd, char *buffer, unsigned int length,
+                           unsigned int max_query_len);
+void thd_inc_row_count(void* thd);
+const char *set_thd_proc_info(void*, const char * info, const char *func,
+                              const char *file, const unsigned int line);
+int mysql_tmpfile(const char *prefix);
+int thd_killed(const void* thd);
+unsigned long thd_get_thread_id(const void* thd);
+void thd_get_xid(const void* thd, MYSQL_XID *xid);
+void mysql_query_cache_invalidate4(void* thd,
+                                   const char *key, unsigned int key_length,
+                                   int using_trx);
+void *thd_get_ha_data(const void* thd, const struct handlerton *hton);
+void thd_set_ha_data(void* thd, const struct handlerton *hton,
+                     const void *ha_data);
+#include <mysql/plugin_auth_common.h>
+typedef struct st_plugin_vio_info
+{
+  enum { MYSQL_VIO_INVALID, MYSQL_VIO_TCP, MYSQL_VIO_SOCKET,
+         MYSQL_VIO_PIPE, MYSQL_VIO_MEMORY } protocol;
+  int socket;
+} MYSQL_PLUGIN_VIO_INFO;
+typedef struct st_plugin_vio
+{
+  int (*read_packet)(struct st_plugin_vio *vio,
+                     unsigned char **buf);
+  int (*write_packet)(struct st_plugin_vio *vio,
+                      const unsigned char *packet,
+                      int packet_len);
+  void (*info)(struct st_plugin_vio *vio, struct st_plugin_vio_info *info);
+} MYSQL_PLUGIN_VIO;
+typedef struct st_mysql_server_auth_info
+{
+  const char *user_name;
+  const char *auth_string;
+  char authenticated_as[48 +1];
+  int password_used;
+} MYSQL_SERVER_AUTH_INFO;
+struct st_mysql_auth
+{
+  int interface_version;
+  const char *client_auth_plugin;
+  int (*authenticate_user)(MYSQL_PLUGIN_VIO *vio, MYSQL_SERVER_AUTH_INFO *info);
+};

include/mysql/plugin_auth_common.h

@@ -0,0 +1,105 @@
+#ifndef MYSQL_PLUGIN_AUTH_COMMON_INCLUDED
+/* Copyright (C) 2010 Sergei Golubchik and Monty Program Ab
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   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 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
+
+/**
+  @file
+
+  This file defines constants and data structures that are the same for
+  both client- and server-side authentication plugins.
+*/
+#define MYSQL_PLUGIN_AUTH_COMMON_INCLUDED
+
+/** the max allowed length for a user name */
+#define MYSQL_USERNAME_LENGTH 48
+
+/**
+  return values of the plugin authenticate_user() method.
+*/
+
+/**
+  Authentication failed. Additionally, all other CR_xxx values
+  (libmysql error code) can be used too.
+
+  The client plugin may set the error code and the error message directly
+  in the MYSQL structure and return CR_ERROR. If a CR_xxx specific error
+  code was returned, an error message in the MYSQL structure will be
+  overwritten. If CR_ERROR is returned without setting the error in MYSQL,
+  CR_UNKNOWN_ERROR will be user.
+*/
+#define CR_ERROR 0
+/**
+  Authentication (client part) was successful. It does not mean that the
+  authentication as a whole was successful, usually it only means
+  that the client was able to send the user name and the password to the
+  server. If CR_OK is returned, the libmysql reads the next packet expecting
+  it to be one of OK, ERROR, or CHANGE_PLUGIN packets.
+*/
+#define CR_OK -1
+/**
+  Authentication was successful.
+  It means that the client has done its part successfully and also that
+  a plugin has read the last packet (one of OK, ERROR, CHANGE_PLUGIN).
+  In this case, libmysql will not read a packet from the server,
+  but it will use the data at mysql->net.read_pos.
+
+  A plugin may return this value if the number of roundtrips in the
+  authentication protocol is not known in advance, and the client plugin
+  needs to read one packet more to determine if the authentication is finished
+  or not.
+*/
+#define CR_OK_HANDSHAKE_COMPLETE -2
+
+typedef struct st_plugin_vio_info
+{
+  enum { MYSQL_VIO_INVALID, MYSQL_VIO_TCP, MYSQL_VIO_SOCKET,
+         MYSQL_VIO_PIPE, MYSQL_VIO_MEMORY } protocol;
+  int socket;     /**< it's set, if the protocol is SOCKET or TCP */
+#ifdef _WIN32
+  HANDLE handle;  /**< it's set, if the protocol is PIPE or MEMORY */
+#endif
+} MYSQL_PLUGIN_VIO_INFO;
+
+/**
+  Provides plugin access to communication channel
+*/
+typedef struct st_plugin_vio
+{
+  /**
+    Plugin provides a pointer reference and this function sets it to the
+    contents of any incoming packet. Returns the packet length, or -1 if
+    the plugin should terminate.
+  */
+  int (*read_packet)(struct st_plugin_vio *vio, 
+                     unsigned char **buf);
+  
+  /**
+    Plugin provides a buffer with data and the length and this
+    function sends it as a packet. Returns 0 on success, 1 on failure.
+  */
+  int (*write_packet)(struct st_plugin_vio *vio, 
+                      const unsigned char *packet, 
+                      int packet_len);
+
+  /**
+    Fills in a st_plugin_vio_info structure, providing the information
+    about the connection.
+  */
+  void (*info)(struct st_plugin_vio *vio, struct st_plugin_vio_info *info);
+
+} MYSQL_PLUGIN_VIO;
+
+#endif
+

include/mysql/service_my_snprintf.h

@@ -54,7 +54,7 @@
 
   Supported formats are 's' (null pointer is accepted, printed as
   "(null)"), 'b' (extension, see below), 'c', 'd', 'i', 'u', 'x', 'o',
-  'X', 'p' (works as 0x%x).
+  'X', 'p' (works as 0x%x), 'f', 'g'.
 
   Standard syntax for positional arguments $n is supported.