path: root/mysql-test/suite/rpl/t/rpl_mdev382.test

--source include/have_innodb.inc
--source include/have_binlog_format_statement.inc
--source include/master-slave.inc
--source include/not_windows.inc #unix shell escaping used for mysqlbinlog

# MDEV-382: multiple SQL injections in replication code.

# Test previous SQL injection attack against binlog for SAVEPOINT statement.
# The test would cause syntax error on slave due to improper quoting of
# the savepoint name.
connection master;
create table t1 (a int primary key) engine=innodb;
create table t2 (a int primary key) engine=myisam;

begin;
insert into t1 values (1);
SET sql_mode = 'ANSI_QUOTES';
savepoint `a``; create database couldbebadthingshere; savepoint ``dummy`;
insert into t1 values (2);
insert into t2 values (1);
SET sql_mode = '';
rollback to savepoint `a``; create database couldbebadthingshere; savepoint ``dummy`;
insert into t1 values (3);
commit;

--source include/show_binlog_events2.inc

# This failed due to syntax error in query when the bug was not fixed.
sync_slave_with_master;
connection slave;

# Test some more combinations of ANSI_QUOTES and sql_quote_show_create
connection master;
let $binlog_start= query_get_value(SHOW MASTER STATUS, Position, 1);
BEGIN;
insert into t1 values(10);
set sql_mode = 'ANSI_QUOTES';
set sql_quote_show_create = 1;
savepoint a;
insert into t1 values(11);
savepoint "a""a";
insert into t1 values(12);
set sql_quote_show_create = 0;
savepoint b;
insert into t1 values(13);
savepoint "b""b";
insert into t1 values(14);
set sql_mode = '';
set sql_quote_show_create = 1;
savepoint c;
insert into t1 values(15);
savepoint `c``c`;
insert into t1 values(16);
set sql_quote_show_create = 0;
savepoint d;
insert into t1 values(17);
savepoint `d``d`;
insert into t1 values(18);
COMMIT;
set sql_quote_show_create = 1;

--source include/show_binlog_events2.inc

--echo *** Test correct USE statement in SHOW BINLOG EVENTS ***
connection master;
let $binlog_start= query_get_value(SHOW MASTER STATUS, Position, 1);
set sql_mode = 'ANSI_QUOTES';
CREATE DATABASE "db1`; select 'oops!'";
use "db1`; select 'oops!'";
CREATE TABLE t1 (a INT PRIMARY KEY) engine=MyISAM;
INSERT INTO t1 VALUES (1);
set sql_mode = '';
INSERT INTO t1 VALUES (2);
set sql_mode =  'ANSI_QUOTES';
--source include/show_binlog_events2.inc
set sql_mode = '';
set sql_quote_show_create = 0;
--source include/show_binlog_events2.inc
set sql_quote_show_create = 1;
--source include/show_binlog_events2.inc
DROP TABLE t1;

use test;

--echo ***Test LOAD DATA INFILE with various identifiers that need correct quoting ***

--let $load_file= $MYSQLTEST_VARDIR/tmp/f'le.txt
--write_file $load_file
'fo\\o','bar'
EOF

use `db1``; select 'oops!'`;
let $binlog_start= query_get_value(SHOW MASTER STATUS, Position, 1);
set timestamp=1000000000;
CREATE TABLE `t``1` (`a``1` VARCHAR(4) PRIMARY KEY, `b``2` VARCHAR(3),
    `c``3` VARCHAR(7));
--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
eval LOAD DATA INFILE '$MYSQLTEST_VARDIR/tmp/f''le.txt' INTO TABLE `t``1`
  FIELDS TERMINATED BY ',' ESCAPED BY '\\\\' ENCLOSED BY ''''
  LINES TERMINATED BY '\\n'
  (`a``1`, @`b```) SET `b``2` = @`b```, `c``3` = concat('|', "b""a'z", "!");

SELECT * FROM `t``1`;
# Also test when code prefixes table name with database.
truncate `t``1`;
use test;
--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
eval LOAD DATA INFILE '$MYSQLTEST_VARDIR/tmp/f''le.txt'
  INTO TABLE `db1``; select 'oops!'`.`t``1`
  FIELDS TERMINATED BY ',' ESCAPED BY '\\\\' ENCLOSED BY ''''
  LINES TERMINATED BY '\\n'
  (`a``1`, `b``2`) SET `c``3` = concat('|', "b""a'z", "!");
SELECT * FROM `db1``; select 'oops!'`.`t``1`;
let $pos2= query_get_value(SHOW MASTER STATUS, Position, 1);

--source include/show_binlog_events2.inc
let $MYSQLD_DATADIR= `select @@datadir`;
--replace_regex /LOCAL INFILE '.*SQL_LOAD.*' INTO/LOCAL INFILE '<name>' INTO/
--exec $MYSQL_BINLOG --short-form --start-position=$binlog_start --stop-position=$pos2 $MYSQLD_DATADIR/master-bin.000001

sync_slave_with_master;
connection slave;
SELECT * FROM `db1``; select 'oops!'`.`t``1`;
connection master;

DROP TABLE `db1``; select 'oops!'`.`t``1`;
--remove_file $load_file

connection master;
drop table t1,t2;


--echo *** Test truncation of long SET expression in LOAD DATA ***
CREATE TABLE t1 (a INT PRIMARY KEY, b VARCHAR(1000));
--let $load_file= $MYSQLTEST_VARDIR/tmp/file.txt
--write_file $load_file
1,X
2,A
EOF

let $binlog_start= query_get_value(SHOW MASTER STATUS, Position, 1);
# The bug was that the SET expression was truncated to 256 bytes, so test with
# an expression longer than that.
--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
eval LOAD DATA INFILE '$load_file' INTO TABLE t1
  FIELDS TERMINATED BY ','
  (a, @b) SET b = CONCAT(@b, '| 123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789123456789T123456789U123456789V123456789W123456789X123456789Y123456789Z123456789|', @b);

SELECT * FROM t1 ORDER BY a;
--source include/show_binlog_events2.inc

sync_slave_with_master;
connection slave;
SELECT * FROM t1 ORDER BY a;

connection master;
--remove_file $load_file
DROP TABLE t1;


--echo *** Test user variables whose names require correct quoting ***
use `db1``; select 'oops!'`;
let $binlog_start= query_get_value(SHOW MASTER STATUS, Position, 1);
CREATE TABLE t1 (a1 BIGINT PRIMARY KEY, a2 BIGINT, a3 BIGINT, a4 BIGINT UNSIGNED, b DOUBLE, c DECIMAL(65,10), d VARCHAR(100));
INSERT INTO t1 VALUES (-9223372036854775808,42,9223372036854775807,18446744073709551615,-1234560123456789e110, -1234501234567890123456789012345678901234567890123456789.0123456789, REPEAT("x", 100));
SELECT @`a``1`:=a1, @`a``2`:=a2, @`a``3`:=a3, @`a``4`:=a4, @`b```:=b, @```c`:=c, @```d```:=d FROM t1;
INSERT INTO t1 VALUES (@`a``1`+1, @`a``2`*100, @`a``3`-1, @`a``4`-1, @`b```/2, @```c`, substr(@```d```, 2, 98));
let $pos2= query_get_value(SHOW MASTER STATUS, Position, 1);

--source include/show_binlog_events2.inc

--exec $MYSQL_BINLOG --short-form --start-position=$binlog_start --stop-position=$pos2 $MYSQLD_DATADIR/master-bin.000001

sync_slave_with_master;
connection slave;
SELECT * FROM `db1``; select 'oops!'`.t1 ORDER BY a1;

connection master;
DROP TABLE t1;

--echo *** Test correct quoting in foreign key error message ***
use `db1``; select 'oops!'`;
CREATE TABLE `t``1` ( `a``` INT PRIMARY KEY) ENGINE=innodb;
CREATE TABLE `t``2` ( `b``` INT PRIMARY KEY, `c``` INT NOT NULL,
    FOREIGN KEY fk (`c```) REFERENCES `t``1`(`a```)) ENGINE=innodb;
--error ER_TRUNCATE_ILLEGAL_FK
TRUNCATE `t``1`;
DROP TABLE `t``2`;
DROP TABLE `t``1`;


--echo *** Test correct quoting of DELETE FROM statement binlogged for HEAP table that is emptied due to server restart

# Let's keep the slave stopped during master restart, to avoid any potential
# races between slave reconnect and master restart.
connection slave;
--source include/stop_slave.inc

connection master;
CREATE TABLE `db1``; select 'oops!'`.`t``1` (`a``` INT PRIMARY KEY) ENGINE=heap;
INSERT INTO `db1``; select 'oops!'`.`t``1` VALUES (1), (2), (5);
SELECT * FROM `db1``; select 'oops!'`.`t``1` ORDER BY 1;

# Restart the master mysqld.
# This will cause an implicit truncation of the memory-based table, which will
# cause logging of an explicit DELETE FROM to binlog.
--write_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
wait-rpl_mdev382.test
EOF

--shutdown_server

--append_file $MYSQLTEST_VARDIR/tmp/mysqld.1.expect
restart-rpl_mdev382.test
EOF

connection default;
--enable_reconnect
--source include/wait_until_connected_again.inc
# rpl_end.inc needs to use the connection server_1
connection server_1;
--enable_reconnect
--source include/wait_until_connected_again.inc
connection master;
--enable_reconnect
--source include/wait_until_connected_again.inc
set timestamp=1000000000;

--echo # The table should be empty on the master.
let $binlog_file= master-bin.000002;
let $binlog_start= query_get_value(SHOW MASTER STATUS, Position, 1);
SELECT * FROM `db1``; select 'oops!'`.`t``1`;

--echo # The DELETE statement should be correctly quoted
--source include/show_binlog_events2.inc

connection slave;
--source include/start_slave.inc

connection master;
sync_slave_with_master;
connection slave;
--echo # The table should be empty on the slave also.
SELECT * FROM `db1``; select 'oops!'`.`t``1`;

connection master;
DROP TABLE `db1``; select 'oops!'`.`t``1`;
sync_slave_with_master;


connection master;
use test;
DROP DATABASE `db1``; select 'oops!'`;

--echo *** Test correct quoting of mysqlbinlog --rewrite-db option ***
CREATE TABLE t1 (a INT PRIMARY KEY);
let $binlog_start= query_get_value(SHOW MASTER STATUS, Position, 1);
INSERT INTO t1 VALUES(1);
--source include/show_binlog_events2.inc
let $pos2= query_get_value(SHOW MASTER STATUS, Position, 1);
--exec $MYSQL_BINLOG --short-form --start-position=$binlog_start --stop-position=$pos2 --rewrite-db='test->ts`et' $MYSQLD_DATADIR/master-bin.000002
DROP TABLE t1;

--source include/rpl_end.inc