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Backport from 6.0-codebase.

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WL#3771
  "Audit Plugin Interface"
  Implement new plug-in type - AUDIT
  New plug-in: audit_null
    simply increments counter for how many times it was called.

include/Makefile.am:
  wl3771
    add new headers to distribution
include/mysql/plugin.h:
  wl3771
    define new AUDIT plugin type
    Split out fulltext plugin type into its own header
include/mysql/plugin.h.pp:
  wl3771
    no real API change, just re-arranged some code
include/mysql/plugin_audit.h:
  wl3771
    pluggable audit interface
include/mysql/plugin_ftparser.h:
  wl3771
    Split out fulltext plugin type into its own header
libmysqld/CMakeLists.txt:
  wl3771
    add sql_audit.cc to build
libmysqld/Makefile.am:
  wl3771
    add sql_audit.cc to build
plugin/audit_null:
  wl3771
    an example plugin for testing pluggable audit interface
plugin/audit_null/Makefile.am:
  wl3771
    an example plugin for testing pluggable audit interface
plugin/audit_null/audit_null.c:
  wl3771
    an example plugin for testing pluggable audit interface
plugin/audit_null/plug.in:
  wl3771
    an example plugin for testing pluggable audit interface
sql/CMakeLists.txt:
  wl3771
    add sql_audit.cc to build
sql/Makefile.am:
  wl3771
    add sql_audit.cc to build
sql/event_queue.cc:
  wl3771
    release audit resources before waiting
sql/log.cc:
  wl3771
    add general audit call for log
sql/mysqld.cc:
  wl3771
    add audit initialize/finalize
    add general audit call for error
sql/sql_audit.cc:
  wl3771
    pluggable audit interface implementation
sql/sql_audit.h:
  wl3771
    pluggable audit interface implementation
sql/sql_class.cc:
  wl3771
    add thd audit init/deinit calls
sql/sql_class.h:
  wl3771
    add required data structures for audit to THD
sql/sql_connect.cc:
  wl3771
    release audit resources before waiting
sql/sql_insert.cc:
  wl3771
    release audit plugins before waiting
sql/sql_parse.cc:
  wl3771
    add general audit call for results
sql/sql_plugin.cc:
  wl3771
    add declarations for audit plugin type
This commit is contained in:
Sergey Vojtovich
2009-12-15 23:52:47 +04:00
parent 376cf4275f
commit 45f2e0a7aa
23 changed files with 1133 additions and 237 deletions
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98
include/mysql/plugin_audit.h Normal file
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/* Copyright (C) 2007 MySQL 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 */
#ifndef _my_audit_h
#define _my_audit_h
/*************************************************************************
API for Audit plugin. (MYSQL_AUDIT_PLUGIN)
*/
#include "plugin.h"
#define MYSQL_AUDIT_CLASS_MASK_SIZE 1
#define MYSQL_AUDIT_INTERFACE_VERSION ( 0x010000 | MYSQL_AUDIT_CLASS_MASK_SIZE )
/*
The first word in every event class struct indicates the specific
class of the event.
*/
struct mysql_event
{
int event_class;
};
/*************************************************************************
AUDIT CLASS : GENERAL
LOG events occurs before emitting to the general query log.
ERROR events occur before transmitting errors to the user.
RESULT events occur after transmitting a resultset to the user.
*/
#define MYSQL_AUDIT_GENERAL_CLASS 0
#define MYSQL_AUDIT_GENERAL_CLASSMASK (1 << MYSQL_AUDIT_GENERAL_CLASS)
#define MYSQL_AUDIT_GENERAL_LOG 0
#define MYSQL_AUDIT_GENERAL_ERROR 1
#define MYSQL_AUDIT_GENERAL_RESULT 2
struct mysql_event_general
{
int event_class;
int general_error_code;
unsigned long general_thread_id;
const char *general_user;
unsigned int general_user_length;
const char *general_command;
unsigned int general_command_length;
const char *general_query;
unsigned int general_query_length;
struct charset_info_st *general_charset;
unsigned long long general_time;
unsigned long long general_rows;
};
/*************************************************************************
Here we define the descriptor structure, that is referred from
st_mysql_plugin.
release_thd() event occurs when the event class consumer is to be
disassociated from the specified THD. This would typically occur
before some operation which may require sleeping - such as when
waiting for the next query from the client.
event_notify() is invoked whenever an event occurs which is of any
class for which the plugin has interest. The first word of the
mysql_event argument indicates the specific event class and the
remainder of the structure is as required for that class.
class_mask is an array of bits used to indicate what event classes
that this plugin wants to receive.
*/
struct st_mysql_audit
{
int interface_version;
void (*release_thd)(MYSQL_THD);
void (*event_notify)(MYSQL_THD, const struct mysql_event *);
unsigned long class_mask[MYSQL_AUDIT_CLASS_MASK_SIZE];
};
#endif