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MaxScale/maxscale-system-test/bug705.cpp
Markus Mäkelä 4b6aab1417 Replace check_log_err with log_includes/log_excludes 
The latter are more explicit and easier to understand at the call site.

Also removed the redundant crash checks via the log files.
2018-11-19 20:02:11 +02:00

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/**
* @file bug705.cpp regression case for bug 705 ("Authentication fails when the user connects to a database
* when the SQL mode includes ANSI_QUOTES")
*
* - use only one backend
* - derectly to backend SET GLOBAL sql_mode="ANSI"
* - restart MaxScale
* - check log for "Error : Loading database names for service RW_Split encountered error: Unknown column"
*/
/*
* ivan.stoykov@skysql.com 2015-01-26 14:01:11 UTC
* When the sql_mode includes ANSI_QUOTES, maxscale fails to execute the SQL at LOAD_MYSQL_DATABASE_NAMES
* string
*
* https://github.com/mariadb-corporation/MaxScale/blob/master/server/core/dbusers.c
* line 90:
#define LOAD_MYSQL_DATABASE_NAMES "SELECT * FROM ( (SELECT COUNT(1) AS ndbs FROM INFORMATION_SCHEMA.SCHEMATA)
* AS tbl1, (SELECT GRANTEE,PRIVILEGE_TYPE from INFORMATION_SCHEMA.USER_PRIVILEGES WHERE privilege_type='SHOW
* DATABASES' AND REPLACE(GRANTEE, \"\'\",\"\")=CURRENT_USER()) AS tbl2)"
*
* the error log outputs that string:
* "Error : Loading database names for service galera_bs_router encountered error: Unknown column ''' in
* 'where clause'"
*
* I think the quotes in LOAD_MYSQL_DATABASE_NAMES and all the SQL used by MaxScale should be adjusted
* according to the recent sql_mode at the backend server.
*
* How to repeat:
* mysql root@centos-7-minimal:[Mon Jan 26 15:00:48 2015][(none)]> SET SESSION sql_mode = "ORACLE"; select
* @@sql_mode;
* Query OK, 0 rows affected (0.00 sec)
*
+----------------------------------------------------------------------------------------------------------------------+
| @@sql_mode
| |
+----------------------------------------------------------------------------------------------------------------------+
| PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ORACLE,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS,NO_AUTO_CREATE_USER
||
+----------------------------------------------------------------------------------------------------------------------+
| 1 row in set (0.00 sec)
|
| mysql root@centos-7-minimal:[Mon Jan 26 15:00:55 2015][(none)]> SELECT
|@@innodb_version,@@version,@@version_comment, GRANTEE,PRIVILEGE_TYPE from INFORMATION_SCHEMA.USER_PRIVILEGES
|WHERE privilege_type='SHOW DATABASES' AND REPLACE(GRANTEE, "\'","")=CURRENT_USER();
| ERROR 1054 (42S22): Unknown column '\'' in 'where clause'
| mysql root@centos-7-minimal:[Mon Jan 26 15:00:57 2015][(none)]>
| Comment 1 ivan.stoykov@skysql.com 2015-01-26 14:02:42 UTC
| Work around: set the sql_mode without ANSI_QUOTES:
|
| mysql root@centos-7-minimal:[Mon Jan 26 15:00:57 2015][(none)]> SET SESSION sql_mode = "MYSQL323"; select
|@@sql_mode;
| Query OK, 0 rows affected (0.00 sec)
|
+------------------------------+
| @@sql_mode |
+------------------------------+
| MYSQL323,HIGH_NOT_PRECEDENCE |
+------------------------------+
| 1 row in set (0.00 sec)
|
| mysql root@centos-7-minimal:[Mon Jan 26 15:01:52 2015][(none)]> SELECT
|@@innodb_version,@@version,@@version_comment, GRANTEE,PRIVILEGE_TYPE from INFORMATION_SCHEMA.USER_PRIVILEGES
|WHERE privilege_type='SHOW DATABASES' AND REPLACE(GRANTEE, "\'","")=CURRENT_USER();
+------------------+-----------------------+-----------------------------------+--------------------+----------------+
| @@innodb_version | @@version | @@version_comment | GRANTEE |
|PRIVILEGE_TYPE |
+------------------+-----------------------+-----------------------------------+--------------------+----------------+
| 5.6.21-70.0 | 10.0.15-MariaDB-wsrep | MariaDB Server, wsrep_25.10.r4144 | 'root'@'localhost' | SHOW
|DATABASES |
+------------------+-----------------------+-----------------------------------+--------------------+----------------+
| 1 row in set (0.00 sec)
| Comment 2 Massimiliano 2015-01-26 14:19:45 UTC
| More informations needed for "the recent sql_mode at the backend server"
|
| Is that an issue with a particular mysql/mariadb backend version?
| Comment 3 ivan.stoykov@skysql.com 2015-01-26 14:30:08 UTC
| No, it is not related to any particular version.
|
| I tested on Percona, MySQL , MariaDB 5.5, MariaDB 10.0.15 with the same result:
|
| [Mon Jan 26 16:24:34 2015][mysql]> SET SESSION sql_mode = ""; SELECT @@sql_mode;
| Query OK, 0 rows affected (0.00 sec)
|
+------------+
| @@sql_mode |
+------------+
| |
+------------+
| 1 row in set (0.00 sec)
| [Mon Jan 26 16:24:53 2015][mysql]> SELECT @@innodb_version,@@version,@@version_comment,
|GRANTEE,PRIVILEGE_TYPE from INFORMATION_SCHEMA.USER_PRIVILEGES WHERE privilege_type='SHOW DATABASES' AND
|REPLACE(GRANTEE, "\'","")=CURRENT_USER();
+------------------+-----------------+--------------------------------------------------+--------------------+----------------+
| @@innodb_version | @@version | @@version_comment | GRANTEE
| | PRIVILEGE_TYPE |
+------------------+-----------------+--------------------------------------------------+--------------------+----------------+
| 5.5.41-37.0 | 5.5.41-37.0-log | Percona Server (GPL), Release 37.0, Revision 727 | 'seik'@'localhost'
|| SHOW DATABASES |
+------------------+-----------------+--------------------------------------------------+--------------------+----------------+
| 1 row in set (0.00 sec)
|
| [Mon Jan 26 16:24:57 2015][mysql]> SET SESSION sql_mode = "DB2";SELECT @@sql_mode;
| Query OK, 0 rows affected (0.00 sec)
|
+-----------------------------------------------------------------------------------------------+
| @@sql_mode |
+-----------------------------------------------------------------------------------------------+
| PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,DB2,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS |
+-----------------------------------------------------------------------------------------------+
| 1 row in set (0.00 sec)
|
| :[Mon Jan 26 16:26:19 2015][mysql]> SELECT @@innodb_version,@@version,@@version_comment,
|GRANTEE,PRIVILEGE_TYPE from INFORMATION_SCHEMA.USER_PRIVILEGES WHERE privilege_type='SHOW DATABASES' AND
|REPLACE(GRANTEE, "\'","")=CURRENT_USER();
| ERROR 1054 (42S22): Unknown column '\'' in 'where clause'
|
| mysql root@centos-7-minimal:[Mon Jan 26 14:27:33 2015][(none)]> SET SESSION sql_mode = "POSTGRESQL";
|select @@sql_mode;
|
|
|
|
|
| Query
|OK, 0 rows affected (0.00 sec)
|
+------------------------------------------------------------------------------------------------------+
| @@sql_mode |
+------------------------------------------------------------------------------------------------------+
| PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,POSTGRESQL,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS |
+------------------------------------------------------------------------------------------------------+
| 1 row in set (0.01 sec)
|
| mysql root@centos-7-minimal:[Mon Jan 26 14:42:23 2015][(none)]> SELECT
|@@innodb_version,@@version,@@version_comment, GRANTEE,PRIVILEGE_TYPE from INFORMATION_SCHEMA.USER_PRIVILEGES
|WHERE privilege_type='SHOW DATABASES' AND REPLACE(GRANTEE, "\'","")=CURRENT_USER();
| ERROR 1054 (42S22): Unknown column '\'' in 'where clause'
| mysql root@centos-7-minimal:[Mon Jan 26 14:58:57 2015][(none)]> SET SESSION sql_mode = ""; select
|@@sql_mode;
| Query OK, 0 rows affected (0.00 sec)
|
+------------+
| @@sql_mode |
+------------+
| |
+------------+
| 1 row in set (0.00 sec)
|
| mysql root@centos-7-minimal:[Mon Jan 26 14:59:03 2015][(none)]> SELECT
|@@innodb_version,@@version,@@version_comment, GRANTEE,PRIVILEGE_TYPE from INFORMATION_SCHEMA.USER_PRIVILEGES
|WHERE privilege_type='SHOW DATABASES' AND REPLACE(GRANTEE, "\'","")=CURRENT_USER();
+------------------+-----------+------------------------------+--------------------+----------------+
| @@innodb_version | @@version | @@version_comment | GRANTEE | PRIVILEGE_TYPE |
+------------------+-----------+------------------------------+--------------------+----------------+
| 5.6.22 | 5.6.22 | MySQL Community Server (GPL) | 'root'@'localhost' | SHOW DATABASES |
+------------------+-----------+------------------------------+--------------------+----------------+
| 1 row in set (0.00 sec)
|
| mysql root@istoykov.skysql.com:[Mon Jan 26 15:28:12 2015][(none)]> SET SESSION sql_mode = "DB2"; SELECT
|@@sql_mode;
| Query OK, 0 rows affected (0.00 sec)
|
+-----------------------------------------------------------------------------------------------+
| @@sql_mode |
+-----------------------------------------------------------------------------------------------+
| PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,DB2,NO_KEY_OPTIONS,NO_TABLE_OPTIONS,NO_FIELD_OPTIONS |
+-----------------------------------------------------------------------------------------------+
| 1 row in set (0.00 sec)
|
| mysql root@istoykov.skysql.com:[Mon Jan 26 15:28:19 2015][(none)]> SELECT
|@@innodb_version,@@version,@@version_comment, GRANTEE,PRIVILEGE_TYPE from INFORMATION_SCHEMA.USER_PRIVILEGES
|WHERE privilege_type='SHOW DATABASES' AND REPLACE(GRANTEE, "\'","")=CURRENT_USER();
| ERROR 1054 (42S22): Unknown column '\'' in 'where clause'
| mysql root@istoykov.skysql.com:[Mon Jan 26 15:28:32 2015][(none)]> SET SESSION sql_mode = "MYSQL40";
| SELECT @@sql_mode;
| Query OK, 0 rows affected (0.00 sec)
|
+-----------------------------+
| @@sql_mode |
+-----------------------------+
| MYSQL40,HIGH_NOT_PRECEDENCE |
+-----------------------------+
| 1 row in set (0.00 sec)
|
| mysql root@istoykov.skysql.com:[Mon Jan 26 15:29:09 2015][(none)]> SELECT
|@@innodb_version,@@version,@@version_comment, GRANTEE,PRIVILEGE_TYPE from INFORMATION_SCHEMA.USER_PRIVILEGES
|WHERE privilege_type='SHOW DATABASES' AND REPLACE(GRANTEE, "\'","")=CURRENT_USER();
+---------------------+--------------------+-------------------+--------------------+----------------+
| @@innodb_version | @@version | @@version_comment | GRANTEE | PRIVILEGE_TYPE |
+---------------------+--------------------+-------------------+--------------------+----------------+
| 5.5.38-MariaDB-35.2 | 5.5.39-MariaDB-log | MariaDB Server | 'root'@'localhost' | SHOW DATABASES |
+---------------------+--------------------+-------------------+--------------------+----------------+
| 1 row in set (0.00 sec)
| Comment 4 Massimiliano 2015-01-26 14:48:04 UTC
| It's still not clear if the issue is related to MaxScale or it's spotted only when yoy send the statements
|via mysql client
| Comment 5 ivan.stoykov@skysql.com 2015-01-26 16:37:32 UTC
| There is at least one case that after setting the sql_mode to string :
|
|"REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ONLY_FULL_GROUP_BY,ANSI,STRICT_TRANS_TABLES,STRICT_ALL_TABLES,NO_ZERO_IN_DATE,NO_ZERO_DATE,ERROR_FOR_DIVISION_BY_ZERO,TRADITIONAL,NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION"
|at 10.0.15-MariaDB-wsrep-log , using maxscale in this way returned an error.
|
| $ mysql --host max-scale-host --user=test --password=xxx --port 4449 mysqlslap
| ERROR 1045 (28000): Access denied for user 'test'@'IP (using password: YES) to database 'mysqlslap'
|
| error at the maxscale log:
| Error : Loading database names for service galera_bs_router encountered error: Unknown column ''' in
|'where clause'.
|
| the following test was OK:
| $ mysql --host max-scale-host --user=test --password=xxx --port 4449
|
| After switch sql_mode to '' as "mysql> set global sql_mode='';",
| the connection of the user to a database seems to work OK:
| $ mysql --host max-scale-host --user=test --password=xxx -D mysqlslap
| Reading table information for completion of table and column names
| You can turn off this feature to get a quicker startup with -A
|
| Welcome to the MySQL monitor. Commands end with ; or \g.
| Your MySQL connection id is 2532
| Server version: 5.5.41-MariaDB MariaDB Server, wsrep_25.10.r4144
|
| Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.
|
| Oracle is a registered trademark of Oracle Corporation and/or its
| affiliates. Other names may be trademarks of their respective
| owners.
|
| Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.
|
| mysql> Bye
|
|
| If needed , I will prepare other test case ?
| Comment 6 Massimiliano 2015-01-26 16:40:45 UTC
| Yes, please provide us other test cases and we will try to reproduce it
| Comment 7 Markus Mäkelä 2015-01-26 18:23:25 UTC
| Changed the double quotation marks to single quotation marks because the MySQL client manual says that
|ANSI_QUOTES still accepts single quotes.
|
| This can be verified by first setting sql_mode to ANSI:
|
| set global sql_mode="ANSI";
|
| after that, start MaxScale and the error log contains:
|
| MariaDB Corporation MaxScale /home/markus/build/log/skygw_err1.log Mon Jan 26 20:16:17 2015
| -----------------------------------------------------------------------
| --- Logging is enabled.
| 2015-01-26 20:16:17 Error : Loading database names for service RW Split Router encountered error:
|Unknown column ''' in 'where clause'.
| 2015-01-26 20:16:17 Error : Loading database names for service RW Split Hint Router encountered error:
|Unknown column ''' in 'where clause'.
| 2015-01-26 20:16:17 Error : Loading database names for service Read Connection Router encountered error:
|Unknown column ''' in 'where clause'.
|
| After the change the error is gone.
| Comment 8 Massimiliano 2015-01-26 21:16:03 UTC
| I managed to reproduce it in my environment:
|
| - created a setup with 1 server in a service named "RW_Split"
|
| - issued SET GLOBAL sql_mode="ANSI" via mysql client to that server
|
| - started MaxScale and found an error in the log:
|
|
| 2015-01-26 16:10:52 Error : Loading database names for service RW_Split encountered error: Unknown
|column ''' in 'where clause'.
|
*/
#include <iostream>
#include "testconnections.h"
#include "maxadmin_operations.h"
int main(int argc, char* argv[])
{
TestConnections* Test = new TestConnections(argc, argv);
Test->set_timeout(20);
printf("Connecting to backend %s\n", Test->repl->IP[0]);
fflush(stdout);
Test->repl->connect();
Test->tprintf("Sending SET GLOBAL sql_mode=\"ANSI\" to backend %s\n", Test->repl->IP[0]);
execute_query(Test->repl->nodes[0], "SET GLOBAL sql_mode=\"ANSI\"");
Test->repl->close_connections();
Test->tprintf("Restarting MaxScale\n");
Test->set_timeout(120);
Test->maxscales->restart_maxscale(0);
Test->log_excludes(0, "Loading database names");
Test->log_excludes(0, "Unknown column");
int rval = Test->global_result;
delete Test;
return rval;
// }
}
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