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da31abf8ed
Bug #36098 Audit plugin (wl 3771) feature disabled in 6.0 avoid recusrive locking of LOCK_plugin
132 lines
4.0 KiB
C
132 lines
4.0 KiB
C
#ifndef SQL_AUDIT_INCLUDED
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#define SQL_AUDIT_INCLUDED
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/* Copyright (C) 2007 MySQL AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include <mysql/plugin_audit.h>
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extern unsigned long mysql_global_audit_mask[];
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extern void mysql_audit_initialize();
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extern void mysql_audit_finalize();
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extern void mysql_audit_init_thd(THD *thd);
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extern void mysql_audit_free_thd(THD *thd);
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extern void mysql_audit_notify(THD *thd, uint event_class,
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uint event_subtype, ...);
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extern void mysql_audit_release(THD *thd);
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#define MAX_USER_HOST_SIZE 512
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static inline uint make_user_name(THD *thd, char *buf)
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{
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Security_context *sctx= thd->security_ctx;
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return strxnmov(buf, MAX_USER_HOST_SIZE,
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sctx->priv_user ? sctx->priv_user : "", "[",
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sctx->user ? sctx->user : "", "] @ ",
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sctx->host ? sctx->host : "", " [",
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sctx->ip ? sctx->ip : "", "]", NullS) - buf;
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}
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/**
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Call audit plugins of GENERAL audit class, MYSQL_AUDIT_GENERAL_LOG subtype.
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@param[in] thd
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@param[in] time time that event occurred
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@param[in] user User name
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@param[in] userlen User name length
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@param[in] cmd Command name
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@param[in] cmdlen Command name length
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@param[in] query Query string
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@param[in] querylen Query string length
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*/
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static inline
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void mysql_audit_general_log(THD *thd, time_t time,
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const char *user, uint userlen,
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const char *cmd, uint cmdlen,
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const char *query, uint querylen)
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{
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#ifndef EMBEDDED_LIBRARY
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if (mysql_global_audit_mask[0] & MYSQL_AUDIT_GENERAL_CLASSMASK)
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{
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CHARSET_INFO *clientcs= thd ? thd->variables.character_set_client
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: global_system_variables.character_set_client;
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mysql_audit_notify(thd, MYSQL_AUDIT_GENERAL_CLASS, MYSQL_AUDIT_GENERAL_LOG,
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0, time, user, userlen, cmd, cmdlen,
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query, querylen, clientcs, 0);
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}
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#endif
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}
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/**
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Call audit plugins of GENERAL audit class.
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event_subtype should be set to one of:
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MYSQL_AUDIT_GENERAL_ERROR
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MYSQL_AUDIT_GENERAL_RESULT
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@param[in] thd
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@param[in] event_subtype Type of general audit event.
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@param[in] error_code Error code
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@param[in] msg Message
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*/
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static inline
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void mysql_audit_general(THD *thd, uint event_subtype,
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int error_code, const char *msg)
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{
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#ifndef EMBEDDED_LIBRARY
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if (mysql_global_audit_mask[0] & MYSQL_AUDIT_GENERAL_CLASSMASK)
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{
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time_t time= my_time(0);
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uint msglen= msg ? strlen(msg) : 0;
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const char *query, *user;
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uint querylen, userlen;
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char user_buff[MAX_USER_HOST_SIZE];
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CHARSET_INFO *clientcs;
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ha_rows rows;
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if (thd)
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{
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query= thd->query();
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querylen= thd->query_length();
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user= user_buff;
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userlen= make_user_name(thd, user_buff);
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clientcs= thd->variables.character_set_client;
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rows= thd->warning_info->current_row_for_warning();
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}
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else
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{
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query= user= 0;
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querylen= userlen= 0;
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clientcs= global_system_variables.character_set_client;
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rows= 0;
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}
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mysql_audit_notify(thd, MYSQL_AUDIT_GENERAL_CLASS, event_subtype,
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error_code, time, user, userlen, msg, msglen,
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query, querylen, clientcs, rows);
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}
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#endif
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}
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#endif /* SQL_AUDIT_INCLUDED */
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