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b765a8af9b
give some leeway on required permissions for SHOW FIELDS on views so an unknonwn DEFINER will no longer break mysqldump client/client_priv.h: Bug #26817: mysqldump fails to backup database containing view with invalid definer New option for mysqldump: redirect stderr to file ("2> for Windows") client/mysqldump.c: Bug #26817: mysqldump fails to backup database containing view with invalid definer New option for mysqldump: redirect stderr to file ("2> for Windows") mysql-test/r/information_schema_db.result: Bug #26817: mysqldump fails to backup database containing view with invalid definer New option for mysqldump: redirect stderr to file ("2> for Windows") mysql-test/t/information_schema_db.test: Bug #26817: mysqldump fails to backup database containing view with invalid definer New option for mysqldump: redirect stderr to file ("2> for Windows") sql/sql_base.cc: Bug #26817: mysqldump fails to backup database containing view with invalid definer be a little more lenient for SHOW FIELDS FROM sql/sql_parse.cc: Bug #26817: mysqldump fails to backup database containing view with invalid definer be a little more lenient for SHOW FIELDS FROM on views on views sql/sql_view.cc: Bug #26817: mysqldump fails to backup database containing view with invalid definer give SHOW FIELDS the same perks as SHOW CREATE sql/table.cc: Bug #26817: mysqldump fails to backup database containing view with invalid definer give SHOW FIELDS the same perks as SHOW CREATE
213 lines
7.6 KiB
Text
213 lines
7.6 KiB
Text
drop table if exists t1,t2;
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drop view if exists v1,v2;
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drop function if exists f1;
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drop function if exists f2;
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use INFORMATION_SCHEMA;
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show tables;
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Tables_in_information_schema
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CHARACTER_SETS
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COLLATIONS
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COLLATION_CHARACTER_SET_APPLICABILITY
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COLUMNS
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COLUMN_PRIVILEGES
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KEY_COLUMN_USAGE
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ROUTINES
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SCHEMATA
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SCHEMA_PRIVILEGES
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STATISTICS
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TABLES
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TABLE_CONSTRAINTS
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TABLE_PRIVILEGES
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TRIGGERS
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USER_PRIVILEGES
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VIEWS
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show tables from INFORMATION_SCHEMA like 'T%';
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Tables_in_information_schema (T%)
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TABLES
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TABLE_CONSTRAINTS
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TABLE_PRIVILEGES
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TRIGGERS
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create database `inf%`;
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create database mbase;
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use `inf%`;
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show tables;
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Tables_in_inf%
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grant all privileges on `inf%`.* to 'mysqltest_1'@'localhost';
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grant all privileges on `mbase`.* to 'mysqltest_1'@'localhost';
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create table t1 (f1 int);
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create function func1(curr_int int) returns int
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begin
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declare ret_val int;
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select max(f1) from t1 into ret_val;
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return ret_val;
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end|
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create view v1 as select f1 from t1 where f1 = func1(f1);
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create function func2() returns int return 1;
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use mbase;
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create procedure p1 ()
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begin
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select table_name from information_schema.key_column_usage
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order by table_name;
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end|
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create table t1
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(f1 int(10) unsigned not null,
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f2 varchar(100) not null,
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primary key (f1), unique key (f2));
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select * from information_schema.tables;
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call mbase.p1();
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call mbase.p1();
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call mbase.p1();
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use `inf%`;
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drop user mysqltest_1@localhost;
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drop table t1;
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select table_name, table_type, table_comment from information_schema.tables
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where table_schema='inf%' and func2();
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table_name table_type table_comment
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v1 VIEW View 'inf%.v1' references invalid table(s) or column(s) or function(s) or define
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select table_name, table_type, table_comment from information_schema.tables
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where table_schema='inf%' and func2();
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table_name table_type table_comment
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v1 VIEW View 'inf%.v1' references invalid table(s) or column(s) or function(s) or define
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drop view v1;
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drop function func1;
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drop function func2;
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drop database `inf%`;
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drop procedure mbase.p1;
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drop database mbase;
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use test;
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create table t1 (i int);
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create function f1 () returns int return (select max(i) from t1);
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create view v1 as select f1();
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create table t2 (id int);
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create function f2 () returns int return (select max(i) from t2);
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create view v2 as select f2();
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drop table t2;
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select table_name, table_type, table_comment from information_schema.tables
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where table_schema='test';
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table_name table_type table_comment
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t1 BASE TABLE
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v1 VIEW VIEW
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v2 VIEW VIEW
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drop table t1;
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select table_name, table_type, table_comment from information_schema.tables
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where table_schema='test';
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table_name table_type table_comment
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v1 VIEW VIEW
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v2 VIEW VIEW
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drop function f1;
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drop function f2;
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drop view v1, v2;
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create database testdb_1;
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create user testdb_1@localhost;
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grant all on testdb_1.* to testdb_1@localhost with grant option;
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create user testdb_2@localhost;
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grant all on test.* to testdb_2@localhost with grant option;
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use testdb_1;
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create table t1 (f1 char(4));
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create view v1 as select f1 from t1;
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grant insert on v1 to testdb_2@localhost;
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create view v5 as select f1 from t1;
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grant show view on v5 to testdb_2@localhost;
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create definer=`no_such_user`@`no_such_host` view v6 as select f1 from t1;
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ERROR 42000: Access denied; you need the SUPER privilege for this operation
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use testdb_1;
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create view v6 as select f1 from t1;
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grant show view on v6 to testdb_2@localhost;
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create table t2 (f1 char(4));
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create definer=`no_such_user`@`no_such_host` view v7 as select * from t2;
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Warnings:
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Note 1449 There is no 'no_such_user'@'no_such_host' registered
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show fields from testdb_1.v6;
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Field Type Null Key Default Extra
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f1 char(4) YES NULL
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show create view testdb_1.v6;
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View Create View
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v6 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v6` AS select `t1`.`f1` AS `f1` from `t1`
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show create view testdb_1.v7;
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View Create View
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v7 CREATE ALGORITHM=UNDEFINED DEFINER=`no_such_user`@`no_such_host` SQL SECURITY DEFINER VIEW `v7` AS select `testdb_1`.`t2`.`f1` AS `f1` from `t2`
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Warnings:
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Warning 1356 View 'testdb_1.v7' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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show fields from testdb_1.v7;
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Field Type Null Key Default Extra
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f1 null YES NULL
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Warnings:
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Note 1449 There is no 'no_such_user'@'no_such_host' registered
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create table t3 (f1 char(4), f2 char(4));
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create view v3 as select f1,f2 from t3;
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grant insert(f1), insert(f2) on v3 to testdb_2@localhost;
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create view v2 as select f1 from testdb_1.v1;
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create view v4 as select f1,f2 from testdb_1.v3;
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show fields from testdb_1.v5;
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Field Type Null Key Default Extra
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f1 char(4) YES NULL
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show create view testdb_1.v5;
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View Create View
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v5 CREATE ALGORITHM=UNDEFINED DEFINER=`testdb_1`@`localhost` SQL SECURITY DEFINER VIEW `testdb_1`.`v5` AS select `testdb_1`.`t1`.`f1` AS `f1` from `testdb_1`.`t1`
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show fields from testdb_1.v6;
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Field Type Null Key Default Extra
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f1 char(4) YES NULL
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show create view testdb_1.v6;
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View Create View
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v6 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `testdb_1`.`v6` AS select `testdb_1`.`t1`.`f1` AS `f1` from `testdb_1`.`t1`
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show fields from testdb_1.v7;
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Field Type Null Key Default Extra
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f1 null YES NULL
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Warnings:
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Note 1449 There is no 'no_such_user'@'no_such_host' registered
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show create view testdb_1.v7;
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View Create View
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v7 CREATE ALGORITHM=UNDEFINED DEFINER=`no_such_user`@`no_such_host` SQL SECURITY DEFINER VIEW `v7` AS select `testdb_1`.`t2`.`f1` AS `f1` from `t2`
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Warnings:
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Warning 1356 View 'testdb_1.v7' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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revoke insert(f1) on v3 from testdb_2@localhost;
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revoke show view on v5 from testdb_2@localhost;
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use testdb_1;
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revoke show view on v6 from testdb_2@localhost;
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show fields from testdb_1.v5;
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ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v5'
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show create view testdb_1.v5;
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ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v5'
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show fields from testdb_1.v6;
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ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v6'
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show create view testdb_1.v6;
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ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v6'
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show fields from testdb_1.v7;
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ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v7'
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show create view testdb_1.v7;
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ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v7'
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show create view v4;
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ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
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show fields from v4;
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Field Type Null Key Default Extra
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f1 null YES NULL
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f2 char(4) YES NULL
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show fields from v2;
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Field Type Null Key Default Extra
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f1 char(4) YES NULL
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show fields from testdb_1.v1;
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Field Type Null Key Default Extra
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f1 char(4) YES NULL
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show create view v2;
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View Create View
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v2 CREATE ALGORITHM=UNDEFINED DEFINER=`testdb_2`@`localhost` SQL SECURITY DEFINER VIEW `test`.`v2` AS select `v1`.`f1` AS `f1` from `testdb_1`.`v1`
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show create view testdb_1.v1;
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ERROR 42000: SHOW VIEW command denied to user 'testdb_2'@'localhost' for table 'v1'
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select table_name from information_schema.columns a
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where a.table_name = 'v2';
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table_name
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v2
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select view_definition from information_schema.views a
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where a.table_name = 'v2';
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view_definition
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/* ALGORITHM=UNDEFINED */ select `v1`.`f1` AS `f1` from `testdb_1`.`v1`
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select view_definition from information_schema.views a
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where a.table_name = 'testdb_1.v1';
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view_definition
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select * from v2;
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ERROR HY000: View 'test.v2' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
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use test;
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drop view testdb_1.v1, v2, testdb_1.v3, v4;
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drop database testdb_1;
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drop user testdb_1@localhost;
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drop user testdb_2@localhost;
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