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561 lines
17 KiB
C++
561 lines
17 KiB
C++
/* Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; version 2 of
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the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335 USA */
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#ifndef _my_audit_h
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#define _my_audit_h
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#ifndef PLUGIN_CONTEXT
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#include "plugin.h"
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#include "mysql/mysql_lex_string.h"
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#ifndef MYSQL_ABI_CHECK
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#include "m_string.h"
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#endif
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#include "my_command.h"
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#include "my_sqlcommand.h"
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#endif /*PLUGIN_CONTEXT*/
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#define MYSQL_AUDIT_INTERFACE_VERSION 0x0401
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/**
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@enum mysql_event_class_t
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Audit event classes.
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*/
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typedef enum
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{
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MYSQL_AUDIT_GENERAL_CLASS = 0,
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MYSQL_AUDIT_CONNECTION_CLASS = 1,
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MYSQL_AUDIT_PARSE_CLASS = 2,
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MYSQL_AUDIT_AUTHORIZATION_CLASS = 3,
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MYSQL_AUDIT_TABLE_ACCESS_CLASS = 4,
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MYSQL_AUDIT_GLOBAL_VARIABLE_CLASS = 5,
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MYSQL_AUDIT_SERVER_STARTUP_CLASS = 6,
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MYSQL_AUDIT_SERVER_SHUTDOWN_CLASS = 7,
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MYSQL_AUDIT_COMMAND_CLASS = 8,
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MYSQL_AUDIT_QUERY_CLASS = 9,
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MYSQL_AUDIT_STORED_PROGRAM_CLASS = 10,
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/* This item must be last in the list. */
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MYSQL_AUDIT_CLASS_MASK_SIZE
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} mysql_event_class_t;
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/**
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@struct st_mysql_audit
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The descriptor structure that is referred from st_mysql_plugin.
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*/
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struct st_mysql_audit
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{
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/**
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Interface version.
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*/
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int interface_version;
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/**
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Event occurs when the event class consumer is to be
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disassociated from the specified THD.This would typically occur
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before some operation which may require sleeping - such as when
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waiting for the next query from the client.
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*/
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void (*release_thd)(MYSQL_THD);
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/**
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Invoked whenever an event occurs which is of any
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class for which the plugin has interest.The second argument
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indicates the specific event class and the third argument is data
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as required for that class.
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*/
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int (*event_notify)(MYSQL_THD, mysql_event_class_t, const void *);
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/**
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An array of bits used to indicate what event classes
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that this plugin wants to receive.
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*/
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unsigned long class_mask[MYSQL_AUDIT_CLASS_MASK_SIZE];
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};
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/**
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@typedef enum_sql_command_t
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SQL command type definition.
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*/
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typedef enum enum_sql_command enum_sql_command_t;
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/**
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@enum mysql_event_general_subclass_t
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Events for the MYSQL_AUDIT_GENERAL_CLASS event class.
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*/
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typedef enum
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{
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/** occurs before emitting to the general query log. */
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MYSQL_AUDIT_GENERAL_LOG = 1 << 0,
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/** occurs before transmitting errors to the user. */
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MYSQL_AUDIT_GENERAL_ERROR = 1 << 1,
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/** occurs after transmitting a resultset to the user. */
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MYSQL_AUDIT_GENERAL_RESULT = 1 << 2,
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/** occurs after transmitting a resultset or errors */
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MYSQL_AUDIT_GENERAL_STATUS = 1 << 3
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} mysql_event_general_subclass_t;
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#define MYSQL_AUDIT_GENERAL_ALL (MYSQL_AUDIT_GENERAL_LOG | \
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MYSQL_AUDIT_GENERAL_ERROR | \
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MYSQL_AUDIT_GENERAL_RESULT | \
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MYSQL_AUDIT_GENERAL_STATUS)
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/**
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@struct mysql_event_general
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Structure for the MYSQL_AUDIT_GENERAL_CLASS event class.
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*/
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struct mysql_event_general
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{
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mysql_event_general_subclass_t event_subclass;
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int general_error_code;
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unsigned long general_thread_id;
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MYSQL_LEX_CSTRING general_user;
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MYSQL_LEX_CSTRING general_command;
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MYSQL_LEX_CSTRING general_query;
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struct charset_info_st *general_charset;
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unsigned long long general_time;
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unsigned long long general_rows;
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MYSQL_LEX_CSTRING general_host;
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MYSQL_LEX_CSTRING general_sql_command;
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MYSQL_LEX_CSTRING general_external_user;
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MYSQL_LEX_CSTRING general_ip;
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};
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/**
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@enum mysql_event_connection_subclass_t
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Events for MYSQL_AUDIT_CONNECTION_CLASS event class.
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*/
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typedef enum
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{
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/** occurs after authentication phase is completed. */
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MYSQL_AUDIT_CONNECTION_CONNECT = 1 << 0,
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/** occurs after connection is terminated. */
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MYSQL_AUDIT_CONNECTION_DISCONNECT = 1 << 1,
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/** occurs after COM_CHANGE_USER RPC is completed. */
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MYSQL_AUDIT_CONNECTION_CHANGE_USER = 1 << 2,
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/** occurs before authentication. */
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MYSQL_AUDIT_CONNECTION_PRE_AUTHENTICATE = 1 << 3
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} mysql_event_connection_subclass_t;
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#define MYSQL_AUDIT_CONNECTION_ALL (MYSQL_AUDIT_CONNECTION_CONNECT | \
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MYSQL_AUDIT_CONNECTION_DISCONNECT | \
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MYSQL_AUDIT_CONNECTION_CHANGE_USER | \
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MYSQL_AUDIT_CONNECTION_PRE_AUTHENTICATE)
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/**
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@struct mysql_event_connection
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Structure for the MYSQL_AUDIT_CONNECTION_CLASS event class.
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*/
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struct mysql_event_connection
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{
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/** Event subclass. */
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mysql_event_connection_subclass_t event_subclass;
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/** Current status of the connection. */
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int status;
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/** Connection id. */
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unsigned long connection_id;
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/** User name of this connection. */
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MYSQL_LEX_CSTRING user;
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/** Priv user name. */
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MYSQL_LEX_CSTRING priv_user;
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/** External user name. */
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MYSQL_LEX_CSTRING external_user;
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/** Proxy user used for this connection. */
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MYSQL_LEX_CSTRING proxy_user;
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/** Connection host. */
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MYSQL_LEX_CSTRING host;
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/** IP of the connection. */
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MYSQL_LEX_CSTRING ip;
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/** Database name specified at connection time. */
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MYSQL_LEX_CSTRING database;
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/** Connection type:
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- 0 Undefined
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- 1 TCP/IP
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- 2 Socket
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- 3 Named pipe
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- 4 SSL
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- 5 Shared memory
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*/
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int connection_type;
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};
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/**
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@enum mysql_event_parse_subclass_t
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Events for MYSQL_AUDIT_PARSE_CLASS event class.
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*/
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typedef enum
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{
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/** occurs before the query parsing. */
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MYSQL_AUDIT_PARSE_PREPARSE = 1 << 0,
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/** occurs after the query parsing. */
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MYSQL_AUDIT_PARSE_POSTPARSE = 1 << 1
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} mysql_event_parse_subclass_t;
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#define MYSQL_AUDIT_PARSE_ALL (MYSQL_AUDIT_PARSE_PREPARSE | \
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MYSQL_AUDIT_PARSE_POSTPARSE)
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typedef enum
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{
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MYSQL_AUDIT_PARSE_REWRITE_PLUGIN_NONE = 0,
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/// mysql_event_parse::flags Must be set by a plugin if the query is rewritten.
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MYSQL_AUDIT_PARSE_REWRITE_PLUGIN_QUERY_REWRITTEN = 1 << 0,
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/// mysql_event_parse::flags Is set by the server if the query is prepared statement.
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MYSQL_AUDIT_PARSE_REWRITE_PLUGIN_IS_PREPARED_STATEMENT = 1 << 1
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} mysql_event_parse_rewrite_plugin_flag;
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/** Data for the MYSQL_AUDIT_PARSE events */
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struct mysql_event_parse
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{
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/** MYSQL_AUDIT_[PRE|POST]_PARSE event id */
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mysql_event_parse_subclass_t event_subclass;
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/** one of FLAG_REWRITE_PLUGIN_* */
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mysql_event_parse_rewrite_plugin_flag *flags;
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/** input: the original query text */
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MYSQL_LEX_CSTRING query;
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/** output: returns the null-terminated rewritten query allocated by my_malloc() */
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MYSQL_LEX_CSTRING *rewritten_query;
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};
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/**
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@enum mysql_event_authorization_subclass_t
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Events for MYSQL_AUDIT_AUTHORIZATION_CLASS event class.
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*/
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typedef enum
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{
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MYSQL_AUDIT_AUTHORIZATION_USER = 1 << 0,
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/** Occurs when database privilege is checked. */
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MYSQL_AUDIT_AUTHORIZATION_DB = 1 << 1,
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/** Occurs when table privilege is checked. */
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MYSQL_AUDIT_AUTHORIZATION_TABLE = 1 << 2,
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/** Occurs when column privilege is checked. */
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MYSQL_AUDIT_AUTHORIZATION_COLUMN = 1 << 3,
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/** Occurs when procedure privilege is checked. */
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MYSQL_AUDIT_AUTHORIZATION_PROCEDURE = 1 << 4,
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/** Occurs when proxy privilege is checked. */
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MYSQL_AUDIT_AUTHORIZATION_PROXY = 1 << 5
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} mysql_event_authorization_subclass_t;
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#define MYSQL_AUDIT_AUTHORIZATION_ALL (MYSQL_AUDIT_AUTHORIZATION_USER | \
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MYSQL_AUDIT_AUTHORIZATION_DB | \
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MYSQL_AUDIT_AUTHORIZATION_TABLE | \
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MYSQL_AUDIT_AUTHORIZATION_COLUMN | \
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MYSQL_AUDIT_AUTHORIZATION_PROCEDURE | \
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MYSQL_AUDIT_AUTHORIZATION_PROXY)
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/**
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@struct mysql_event_authorization
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Structure for MYSQL_AUDIT_AUTHORIZATION_CLASS event class.
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*/
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struct mysql_event_authorization
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{
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/** Event subclass. */
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mysql_event_authorization_subclass_t event_subclass;
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/** Event status. */
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int status;
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/** Connection id. */
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unsigned int connection_id;
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/** SQL command id. */
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enum_sql_command_t sql_command_id;
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/** SQL query text. */
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MYSQL_LEX_CSTRING query;
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/** SQL query charset. */
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const struct charset_info_st *query_charset;
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/** Database name. */
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MYSQL_LEX_CSTRING database;
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/** Table name. */
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MYSQL_LEX_CSTRING table;
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/** Other name associated with the event. */
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MYSQL_LEX_CSTRING object;
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/** Requested authorization privileges. */
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unsigned long requested_privilege;
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/** Currently granted authorization privileges. */
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unsigned long granted_privilege;
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};
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/**
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@enum mysql_event_table_row_access_subclass_t
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Events for MYSQL_AUDIT_TABLE_ACCES_CLASS event class.
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*/
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typedef enum
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{
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/** Occurs when table data are read. */
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MYSQL_AUDIT_TABLE_ACCESS_READ = 1 << 0,
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/** Occurs when table data are inserted. */
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MYSQL_AUDIT_TABLE_ACCESS_INSERT = 1 << 1,
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/** Occurs when table data are updated. */
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MYSQL_AUDIT_TABLE_ACCESS_UPDATE = 1 << 2,
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/** Occurs when table data are deleted. */
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MYSQL_AUDIT_TABLE_ACCESS_DELETE = 1 << 3
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} mysql_event_table_access_subclass_t;
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#define MYSQL_AUDIT_TABLE_ACCESS_ALL (MYSQL_AUDIT_TABLE_ACCESS_READ | \
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MYSQL_AUDIT_TABLE_ACCESS_INSERT | \
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MYSQL_AUDIT_TABLE_ACCESS_UPDATE | \
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MYSQL_AUDIT_TABLE_ACCESS_DELETE)
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/**
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@struct mysql_event_table_row_access
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Structure for MYSQL_AUDIT_TABLE_ACCES_CLASS event class.
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*/
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struct mysql_event_table_access
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{
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/** Event subclass. */
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mysql_event_table_access_subclass_t event_subclass;
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/** Connection id. */
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unsigned long connection_id;
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/** SQL command id. */
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enum_sql_command_t sql_command_id;
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/** SQL query. */
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MYSQL_LEX_CSTRING query;
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/** SQL query charset. */
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const struct charset_info_st *query_charset;
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/** Database name. */
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MYSQL_LEX_CSTRING table_database;
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/** Table name. */
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MYSQL_LEX_CSTRING table_name;
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};
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/**
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@enum mysql_event_global_variable_subclass_t
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Events for MYSQL_AUDIT_GLOBAL_VARIABLE_CLASS event class.
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*/
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typedef enum
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{
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/** Occurs when global variable is retrieved. */
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MYSQL_AUDIT_GLOBAL_VARIABLE_GET = 1 << 0,
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/** Occurs when global variable is set. */
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MYSQL_AUDIT_GLOBAL_VARIABLE_SET = 1 << 1
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} mysql_event_global_variable_subclass_t;
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#define MYSQL_AUDIT_GLOBAL_VARIABLE_ALL (MYSQL_AUDIT_GLOBAL_VARIABLE_GET | \
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MYSQL_AUDIT_GLOBAL_VARIABLE_SET)
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/** Events for MYSQL_AUDIT_GLOBAL_VARIABLE_CLASS event class. */
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struct mysql_event_global_variable
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{
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/** Event subclass. */
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mysql_event_global_variable_subclass_t event_subclass;
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/** Connection id. */
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unsigned long connection_id;
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/** SQL command id. */
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enum_sql_command_t sql_command_id;
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/** Variable name. */
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MYSQL_LEX_CSTRING variable_name;
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/** Variable value. */
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MYSQL_LEX_CSTRING variable_value;
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};
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/**
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@enum mysql_event_server_startup_subclass_t
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Events for MYSQL_AUDIT_SERVER_STARTUP_CLASS event class.
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*/
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typedef enum
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{
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/** Occurs after all subsystem are initialized during system start. */
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MYSQL_AUDIT_SERVER_STARTUP_STARTUP = 1 << 0
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} mysql_event_server_startup_subclass_t;
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#define MYSQL_AUDIT_SERVER_STARTUP_ALL (MYSQL_AUDIT_SERVER_STARTUP_STARTUP)
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/**
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@struct mysql_event_server_startup
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Structure for MYSQL_AUDIT_SERVER_STARTUP_CLASS event class.
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*/
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struct mysql_event_server_startup
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{
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/** Event subclass. */
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mysql_event_server_startup_subclass_t event_subclass;
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/** Command line arguments. */
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const char **argv;
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/** Command line arguments count. */
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unsigned int argc;
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};
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/**
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@enum mysql_event_server_shutdown_subclass_t
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Events for MYSQL_AUDIT_SERVER_SHUTDOWN_CLASS event class.
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*/
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typedef enum
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{
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/** Occurs when global variable is set. */
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MYSQL_AUDIT_SERVER_SHUTDOWN_SHUTDOWN = 1 << 0
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} mysql_event_server_shutdown_subclass_t;
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#define MYSQL_AUDIT_SERVER_SHUTDOWN_ALL (MYSQL_AUDIT_SERVER_SHUTDOWN_SHUTDOWN)
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/**
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@enum mysql_server_shutdown_reason_t
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Server shutdown reason.
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*/
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typedef enum
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{
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/** User requested shut down. */
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MYSQL_AUDIT_SERVER_SHUTDOWN_REASON_SHUTDOWN,
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/** The server aborts. */
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MYSQL_AUDIT_SERVER_SHUTDOWN_REASON_ABORT
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} mysql_server_shutdown_reason_t;
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/**
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@struct mysql_event_server_shutdown
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Structure for MYSQL_AUDIT_SERVER_SHUTDOWN_CLASS event class.
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*/
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struct mysql_event_server_shutdown
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{
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/** Shutdown event. */
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mysql_event_server_shutdown_subclass_t event_subclass;
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/** Exit code associated with the shutdown event. */
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int exit_code;
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/** Shutdown reason. */
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mysql_server_shutdown_reason_t reason;
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};
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/**
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@enum mysql_event_command_subclass_t
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Events for MYSQL_AUDIT_COMMAND_CLASS event class.
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*/
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typedef enum
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{
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/** Command start event. */
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MYSQL_AUDIT_COMMAND_START = 1 << 0,
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/** Command end event. */
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MYSQL_AUDIT_COMMAND_END = 1 << 1
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} mysql_event_command_subclass_t;
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#define MYSQL_AUDIT_COMMAND_ALL (MYSQL_AUDIT_COMMAND_START | \
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MYSQL_AUDIT_COMMAND_END)
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/**
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@typedef enum_server_command_t
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Server command type definition.
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*/
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typedef enum enum_server_command enum_server_command_t;
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/**
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@struct mysql_event_command
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Event for MYSQL_AUDIT_COMMAND_CLASS event class.
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Events generated as a result of RPC command requests.
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*/
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struct mysql_event_command
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{
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/** Command event subclass. */
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mysql_event_command_subclass_t event_subclass;
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/** Command event status. */
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int status;
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/** Connection id. */
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unsigned long connection_id;
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/** Command id. */
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enum_server_command_t command_id;
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};
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/**
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@enum mysql_event_query_subclass_t
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Events for MYSQL_AUDIT_QUERY_CLASS event class.
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*/
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typedef enum
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{
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/** Query start event. */
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MYSQL_AUDIT_QUERY_START = 1 << 0,
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/** Nested query start event. */
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MYSQL_AUDIT_QUERY_NESTED_START = 1 << 1,
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/** Query post parse event. */
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MYSQL_AUDIT_QUERY_STATUS_END = 1 << 2,
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/** Nested query status end event. */
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MYSQL_AUDIT_QUERY_NESTED_STATUS_END = 1 << 3
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} mysql_event_query_subclass_t;
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#define MYSQL_AUDIT_QUERY_ALL (MYSQL_AUDIT_QUERY_START | \
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MYSQL_AUDIT_QUERY_NESTED_START | \
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MYSQL_AUDIT_QUERY_STATUS_END | \
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MYSQL_AUDIT_QUERY_NESTED_STATUS_END)
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/**
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@struct mysql_event_command
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Event for MYSQL_AUDIT_COMMAND_CLASS event class.
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*/
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struct mysql_event_query
|
|
{
|
|
/** Event subclass. */
|
|
mysql_event_query_subclass_t event_subclass;
|
|
/** Event status. */
|
|
int status;
|
|
/** Connection id. */
|
|
unsigned long connection_id;
|
|
/** SQL command id. */
|
|
enum_sql_command_t sql_command_id;
|
|
/** SQL query. */
|
|
MYSQL_LEX_CSTRING query;
|
|
/** SQL query charset. */
|
|
const struct charset_info_st *query_charset;
|
|
};
|
|
|
|
/**
|
|
@enum mysql_event_stored_program_subclass_t
|
|
|
|
Events for MYSQL_AUDIT_STORED_PROGRAM_CLASS event class.
|
|
*/
|
|
typedef enum
|
|
{
|
|
/** Stored program execution event. */
|
|
MYSQL_AUDIT_STORED_PROGRAM_EXECUTE = 1 << 0
|
|
} mysql_event_stored_program_subclass_t;
|
|
|
|
#define MYSQL_AUDIT_STORED_PROGRAM_ALL (MYSQL_AUDIT_STORED_PROGRAM_EXECUTE)
|
|
|
|
/**
|
|
@struct mysql_event_command
|
|
|
|
Event for MYSQL_AUDIT_COMMAND_CLASS event class.
|
|
*/
|
|
struct mysql_event_stored_program
|
|
{
|
|
/** Event subclass. */
|
|
mysql_event_stored_program_subclass_t event_subclass;
|
|
/** Connection id. */
|
|
unsigned long connection_id;
|
|
/** SQL command id. */
|
|
enum_sql_command_t sql_command_id;
|
|
/** SQL query text. */
|
|
MYSQL_LEX_CSTRING query;
|
|
/** SQL query charset. */
|
|
const struct charset_info_st *query_charset;
|
|
/** The Database the procedure is defined in. */
|
|
MYSQL_LEX_CSTRING database;
|
|
/** Name of the stored program. */
|
|
MYSQL_LEX_CSTRING name;
|
|
/** Stored program parameters. */
|
|
void *parameters;
|
|
};
|
|
|
|
#endif
|