File: information_schema_db.test

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# this test mostly test privilege control (what doesn't work
# in the embedded server by default). So skip the test in embedded-server mode.
-- source include/not_embedded.inc
-- source include/have_innodb.inc
-- source include/testdb_only.inc
-- source include/hostname_is_not_localhost.inc

set local sql_mode="";
set global sql_mode="";

--replace_result 'Tables_in_INFORMATION_SCHEMA (T%)' 'Tables_in_information_schema (T%)'
--sorted_result
show tables from INFORMATION_SCHEMA like 'T%';
create database `inf%`;
create database mbase;
use `inf%`;
show tables;

--echo #
--echo # Bug#18113 SELECT * FROM information_schema.xxx crashes server
--echo # Bug#17204 second CALL to procedure crashes Server
--echo #
# Crash happened when one selected data from one of INFORMATION_SCHEMA
# tables and in order to build its contents server had to open view which
# used stored function and table or view on which one had not global or
# database-level privileges (e.g. had only table-level or had no
# privileges at all).
#
--disable_view_protocol
grant all privileges on `inf%`.* to 'mysqltest_1'@'localhost';
grant all privileges on `mbase`.* to 'mysqltest_1'@'localhost';
create table t1 (f1 int);
delimiter |;
--enable_prepare_warnings
create function func1(curr_int int) returns int
begin
  declare ret_val int;
  select max(f1) from t1 into ret_val;
  return ret_val;
end|
--disable_prepare_warnings
delimiter ;|
create view v1 as select f1 from t1 where f1 = func1(f1);
create function func2() returns int return 1;

use mbase;
delimiter |;
create procedure p1 ()
begin
select table_name from information_schema.key_column_usage
order by table_name;
end|
delimiter ;|

create table t1
(f1 int(10) unsigned not null,
 f2 varchar(100) not null,
 primary key (f1), unique key (f2));

connect (user1,localhost,mysqltest_1,,"*NO-ONE*");
connection user1;
--disable_result_log
select * from information_schema.tables;
call mbase.p1();
call mbase.p1();
call mbase.p1();
--enable_result_log

connection default;
use `inf%`;
drop user mysqltest_1@localhost;
drop table t1;
select table_name, table_type, table_comment from information_schema.tables
where table_schema='inf%' and func2();
select table_name, table_type, table_comment from information_schema.tables
where table_schema='inf%' and func2();
drop view v1;
drop function func1;
drop function func2;

drop database `inf%`;
drop procedure mbase.p1;
drop database mbase;
disconnect user1;

--echo #
--echo # Bug#18282 INFORMATION_SCHEMA.TABLES provides inconsistent info about invalid views
--echo #
use test;
create table t1 (i int);
create function f1 () returns int return (select max(i) from t1);
create view v1 as select f1();
create table t2 (id int);
create function f2 () returns int return (select max(i) from t2);
create view v2 as select f2();
drop table t2;
select table_name, table_type, table_comment from information_schema.tables
where table_schema='test' order by table_name;
drop table t1;
select table_name, table_type, table_comment from information_schema.tables
where table_schema='test' order by table_name;
drop function f1;
drop function f2;
drop view v1, v2;
--enable_view_protocol

--echo #
--echo # Bug#20543 select on information_schema strange warnings, view, different
--echo #           schemas/users
--echo #
--disable_service_connection
create database testdb_1;
create user testdb_1@localhost;
grant all on testdb_1.* to testdb_1@localhost with grant option;

create user testdb_2@localhost;
grant all on test.* to testdb_2@localhost with grant option;

connect (testdb_1,localhost,testdb_1,,testdb_1);
create table t1 (f1 char(4));
create view v1 as select f1 from t1;
grant insert on v1 to testdb_2@localhost;

create view v5 as select f1 from t1;
grant select, show view on v5 to testdb_2@localhost;

--error ER_SPECIFIC_ACCESS_DENIED_ERROR
create definer=`no_such_user`@`no_such_host` view v6 as select f1 from t1;

connection default;
use testdb_1;
create view v6 as select f1 from t1;
grant select, show view on v6 to testdb_2@localhost;

create table t2 (f1 char(4));
create definer=`no_such_user`@`no_such_host` view v7 as select * from t2;

show fields from testdb_1.v6;
show create view testdb_1.v6;

show create view testdb_1.v7;
show fields from testdb_1.v7;

connection testdb_1;

create table t3 (f1 char(4), f2 char(4));
create view v3 as select f1,f2 from t3;
grant insert(f1), insert(f2) on v3 to testdb_2@localhost;

connect (testdb_2,localhost,testdb_2,,test);
create view v2 as select f1 from testdb_1.v1;
create view v4 as select f1,f2 from testdb_1.v3;

show fields from testdb_1.v5;
show create view testdb_1.v5;

show fields from testdb_1.v6;
show create view testdb_1.v6;

connection testdb_1;
show fields from testdb_1.v7;
show create view testdb_1.v7;

revoke insert(f1) on v3 from testdb_2@localhost;
revoke select,show view on v5 from testdb_2@localhost;
connection default;
use testdb_1;
revoke select,show view on v6 from testdb_2@localhost;
connection testdb_2;

--error ER_TABLEACCESS_DENIED_ERROR
show fields from testdb_1.v5;
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v5;

--error ER_TABLEACCESS_DENIED_ERROR
show fields from testdb_1.v6;
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v6;

--error ER_TABLEACCESS_DENIED_ERROR
show fields from testdb_1.v7;
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v7;

show create view v4;
#--error ER_VIEW_NO_EXPLAIN
show fields from v4;

show fields from v2;
show fields from testdb_1.v1;
show create view v2;
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v1;

select table_name from information_schema.columns a
where a.table_name = 'v2';
select view_definition from information_schema.views a
where a.table_name = 'v2';
select view_definition from information_schema.views a
where a.table_name = 'testdb_1.v1';

--error ER_VIEW_INVALID
select * from v2;

connection default;
use test;
drop view testdb_1.v1, v2, testdb_1.v3, v4;
drop database testdb_1;
connection testdb_1;
disconnect testdb_1;
--source include/wait_until_disconnected.inc
connection testdb_2;
disconnect testdb_2;
--source include/wait_until_disconnected.inc
connection default;
drop user testdb_1@localhost;
drop user testdb_2@localhost;

--echo #
--echo # Bug#22763 Disrepancy between SHOW CREATE VIEW and I_S.VIEWS
--echo #
create database testdb_1;
create table testdb_1.t1 (a int);
create view testdb_1.v1 as select * from testdb_1.t1;

grant show view on testdb_1.* to mysqltest_1@localhost;
grant select on testdb_1.v1 to mysqltest_1@localhost;

connect (user1,localhost,mysqltest_1,,"*NO-ONE*");
connection user1;
select table_schema, table_name, view_definition from information_schema.views
where table_name='v1';
show create view testdb_1.v1;

connection default;
revoke select on testdb_1.v1 from mysqltest_1@localhost;
connection user1;
select table_schema, table_name, view_definition from information_schema.views
where table_name='v1';
--error ER_TABLEACCESS_DENIED_ERROR
show create view testdb_1.v1;

connection default;
drop user mysqltest_1@localhost;
drop database testdb_1;
connection user1;
disconnect user1;
--source include/wait_until_disconnected.inc
connection default;

set global sql_mode=default;

--echo #
--echo # MDEV-20549 SQL SECURITY DEFINER does not work for INFORMATION_SCHEMA tables
--echo #

create user foo@localhost;
grant select on test.* to foo@localhost;
create procedure rootonly() select 1;
create sql security definer view v1d as select current_user(),user from information_schema.processlist where command!='daemon';
create sql security invoker view v1i as select current_user(),user from information_schema.processlist where command!='daemon';
create sql security definer view v2d as select table_name from information_schema.tables where table_schema='mysql' and table_name like '%user%';
create sql security invoker view v2i as select table_name from information_schema.tables where table_schema='mysql' and table_name like '%user%';
create sql security definer view v3d as select schema_name from information_schema.schemata where schema_name like '%mysql%';
create sql security invoker view v3i as select schema_name from information_schema.schemata where schema_name like '%mysql%';
create sql security definer view v4d as select routine_name from information_schema.routines where routine_schema='test';
create sql security invoker view v4i as select routine_name from information_schema.routines where routine_schema='test';
create sql security definer view v5d as select view_definition > '' from information_schema.views where table_name='v1d';
create sql security invoker view v5i as select view_definition > '' from information_schema.views where table_name='v1d';
connect foo,localhost,foo;
select * from v1d;
select * from v1i;
select * from v2d;
select * from v2i;
select * from v3d;
select * from v3i;
select * from v4d;
select * from v4i;
select * from v5d;
select * from v5i;
connection default;
select * from v1d;
select * from v1i;
select * from v2d;
select * from v2i;
select * from v3d;
select * from v3i;
select * from v4d;
select * from v4i;
select * from v5d;
select * from v5i;
disconnect foo;
drop view v1d, v1i, v2d, v2i, v3d, v3i, v4d, v4i, v5d, v5i;
drop user foo@localhost;
drop procedure rootonly;
--enable_service_connection

--echo #
--echo # End of 10.2 tests
--echo #

--echo #
--echo # MDEV-32500 Information schema leaks table names and structure to unauthorized users
--echo #
create database db;
create table db.t1 (x int, key(x)) engine=InnoDB;
create table db.t2 (a int, b int, c int, unique(b), check(c>b), foreign key(c) references db.t1(x)) engine=InnoDB;
create table db.t3 (d int, e int, f int, unique(e), check(f>e), foreign key(f) references db.t1(x),
                                                                foreign key(e) references db.t2(b),
                                                                foreign key(d) references db.t3(f)
                                                              ) engine=InnoDB;

create user u@localhost;
grant select (a) on db.t2 to u@localhost;
grant update (d) on db.t3 to u@localhost;

--connect con1,localhost,u,,db
--sorted_result
select table_name, column_name from information_schema.columns where table_name like 't_';
select table_name, column_name from information_schema.key_column_usage where table_name like 't_';
select table_name, unique_constraint_name, referenced_table_name from information_schema.referential_constraints where table_name like 't_';
select table_name, constraint_name, constraint_type from information_schema.table_constraints where table_name like 't_';
show index in t2;
show index in t3;

--disconnect con1
--connection default
drop user u@localhost;
drop database db;

--echo #
--echo # End of 10.4 tests
--echo #

--echo #
--echo # MDEV-23729 INFORMATION_SCHEMA Table info. about user locked due to
--echo # max_password_errors
--echo #
--echo # MDEV-32218 message to notify end-user N-days prior the password get
--echo # expired
--echo #

--disable_service_connection
set @old_max_password_errors=@@max_password_errors;
set global max_password_errors=2;

# must use replace_regex for case insenstive replacement
let $hostname_re= `select concat('/@\'', @@hostname, '\'/@HOSTNAME/i')`;

# set the password_last_changed value
set timestamp= unix_timestamp('2020-01-02 2:3:4');

create user nice_user;
create user naughty_user identified by 'naughty_user_passwd';

alter user naughty_user password expire interval 10 day;

--sorted_result
--replace_regex $hostname_re
eval select * from information_schema.users;

alter user nice_user password expire interval 10 day;
--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;

--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR
connect(con1, localhost, naughty_user, wrong_passwd);

--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;

--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR
connect(con1, localhost, naughty_user, wrong_passwd);

--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;


--echo # Show all users that are blocked due to max_password_errors reached.
select user from information_schema.users
where password_errors >= @@global.max_password_errors;


set global max_password_errors=3;

connect(con1, localhost, naughty_user, naughty_user_passwd);
connection default;

--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;
disconnect con1;

--echo # test FLUSH PRIVILEGES
--replace_result $MASTER_MYSOCK MASTER_SOCKET $MASTER_MYPORT MASTER_PORT
--error ER_ACCESS_DENIED_ERROR
connect(con1, localhost, naughty_user, wrong_passwd);
select * from information_schema.users where user like '''naughty%';
flush privileges;
select * from information_schema.users where user like '''naughty%';

--echo # Test unprivileged output

connect(con2, localhost, nice_user);
set timestamp= unix_timestamp('2020-01-02 2:3:4');
# timestamp was normal at the login moment, so the password was expired
set password= password('nice_passwd');

--sorted_result
--replace_regex $hostname_re
select * from information_schema.users;

--echo # Delete user while some connection is still alive, then select.
connection default;
drop user nice_user;
connection con2;
# and here you are, select from your table
--error ER_INVALID_CURRENT_USER
select * from information_schema.users;

disconnect con2;
connection default;
drop user naughty_user;
set global max_password_errors=@old_max_password_errors;

--echo # more password expiration tests
set global default_password_lifetime= 2;
create user u1@localhost password expire;
create user u2@localhost password expire default;
create user u3@localhost password expire interval 10 day;
create user u4@localhost password expire interval 20 day;
create user u5@localhost password expire never;
set timestamp= unix_timestamp('2020-01-17 2:3:4');

select * from information_schema.users where user like '''u_''%';
set global default_password_lifetime= default;
select * from information_schema.users where user like '''u_''%';

drop user u1@localhost;
drop user u2@localhost;
drop user u3@localhost;
drop user u4@localhost;
drop user u5@localhost;
--enable_service_connection

--echo # End of 10.0 tests