mariadb/mysql-test/t/failed_auth_3909.test

source include/not_embedded.inc;

#
# MDEV-3909 remote user enumeration
#
# verify that for some failed login attemps (with wrong user names)
# the server requests a plugin
#
optimize table mysql.user;
insert mysql.user (user,plugin) values ('foo','bar'),('bar','bar'),('baz','bar');
flush privileges;

--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_PLUGIN_IS_NOT_LOADED
connect (fail,localhost,u1);

--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR
connect (fail,localhost,u2);

--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR
connect (fail,localhost,u2,password);

--error ER_PLUGIN_IS_NOT_LOADED
change_user u1;

--error ER_ACCESS_DENIED_ERROR
change_user u2;

--error ER_ACCESS_DENIED_ERROR
change_user u2,password;

delete from mysql.user where plugin = 'bar';
flush privileges;