mariadb/mysql-test/main/failed_auth_unixsocket.test

--source include/have_unix_socket.inc

#
# MDEV-3909 remote user enumeration
# unix_socket tests
#
update mysql.user set plugin='unix_socket';
flush privileges;

# Make sure that the replace works, even if $USER is 'user' or something else
# that matches other parts of the error message.
let $replace=Access denied for user '$USER';

--echo connect(localhost,USER,,test,MASTER_PORT,MASTER_SOCKET);
--replace_result $replace "Access denied for user 'USER'"
--disable_query_log
--error ER_ACCESS_DENIED_ERROR
connect (fail,localhost,$USER);
--enable_query_log

--replace_result $replace "Access denied for user 'USER'"
--error ER_ACCESS_DENIED_ERROR
change_user $USER;

eval install plugin unix_socket soname '$AUTH_SOCKET_SO';
flush privileges;

--echo connect(localhost,USER,,test,MASTER_PORT,MASTER_SOCKET);
--replace_result $replace "Access denied for user 'USER'"
--disable_query_log
--error ER_ACCESS_DENIED_NO_PASSWORD_ERROR
connect (fail,localhost,$USER);
--enable_query_log

--replace_result  $replace "Access denied for user 'USER'"
--error ER_ACCESS_DENIED_NO_PASSWORD_ERROR
change_user $USER;

update mysql.user set plugin='';
flush privileges;
uninstall plugin unix_socket;