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MDEV-19141 server_audit_excl_users accepts only values with less than 1024 chars.

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Since this limit is imposed by the SHOW_VAR_FUNC_BUFF_SIZE, we just
launch the error message.
This commit is contained in:
Alexey Botchkov
2019-04-29 00:11:48 +04:00
parent 00377147e3
commit cd26cdcd97
3 changed files with 78 additions and 6 deletions
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14
mysql-test/suite/plugins/r/server_audit.result
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@ -21,6 +21,16 @@ set global server_audit_incl_users=null;
set global server_audit_file_path='server_audit.log';
set global server_audit_output_type=file;
set global server_audit_logging=on;
set global server_audit_incl_users= repeat("'root',", 10000);
ERROR 42000: Variable 'server_audit_incl_users' can't be set to the value of ''root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','roo'
show variables like 'server_audit_incl_users';
Variable_name Value
server_audit_incl_users
set global server_audit_excl_users= repeat("'root',", 10000);
ERROR 42000: Variable 'server_audit_excl_users' can't be set to the value of ''root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','root','roo'
show variables like 'server_audit_excl_users';
Variable_name Value
server_audit_excl_users
connect con1,localhost,root,,mysql;
connection default;
disconnect con1;
@ -251,6 +261,10 @@ uninstall plugin server_audit;
Warnings:
Warning 1620 Plugin is busy and will be uninstalled on shutdown
TIME,HOSTNAME,root,localhost,ID,ID,QUERY,test,'set global server_audit_logging=on',0
TIME,HOSTNAME,root,localhost,ID,ID,QUERY,test,'set global server_audit_incl_users= repeat("\'root\',", 10000)',ID
TIME,HOSTNAME,root,localhost,ID,ID,QUERY,test,'show variables like \'server_audit_incl_users\'',0
TIME,HOSTNAME,root,localhost,ID,ID,QUERY,test,'set global server_audit_excl_users= repeat("\'root\',", 10000)',ID
TIME,HOSTNAME,root,localhost,ID,ID,QUERY,test,'show variables like \'server_audit_excl_users\'',0
TIME,HOSTNAME,root,localhost,ID,0,CONNECT,mysql,,0
TIME,HOSTNAME,root,localhost,ID,0,DISCONNECT,mysql,,0
TIME,HOSTNAME,no_such_user,localhost,ID,0,FAILED_CONNECT,,,ID