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Backporting WL#3953 from 6.0. Original revision:

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------------------------------------------------------------
revno: 2476.714.9
committer: markleith@medusa.mysql.com
timestamp: Mon 2007-09-03 23:18:50 +0100
message:
  Bug#25822 / WL#3953 - Log Access Denied errors for bad passwords in the error log
  
  Added logging of Access Denied messages on failed new connections to the 
  error log when log-warnings = 2.
  
  This allows a user to log these messages without having to incur the overhead
  of using the general query log on production systems.
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This commit is contained in:
Alexander Nozdrin 2009-10-21 18:00:58 +04:00
parent ad68fa6506
commit 6756b0fc5f
1 changed files with 12 additions and 0 deletions
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12
sql/sql_connect.cc
View file

@ -486,6 +486,18 @@ check_user(THD *thd, enum enum_server_command command,
thd->main_security_ctx.user,
thd->main_security_ctx.host_or_ip,
passwd_len ? ER(ER_YES) : ER(ER_NO));
/*
log access denied messages to the error log when log-warnings = 2
so that the overhead of the general query log is not required to track
failed connections
*/
if (global_system_variables.log_warnings > 1)
{
sql_print_warning(ER(ER_ACCESS_DENIED_ERROR),
thd->main_security_ctx.user,
thd->main_security_ctx.host_or_ip,
passwd_len ? ER(ER_YES) : ER(ER_NO));
}
DBUG_RETURN(1);
#endif /* NO_EMBEDDED_ACCESS_CHECKS */
}