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Bug #26817: mysqldump fails to backup database containing view with invalid definer

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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
This commit is contained in:
unknown
2007-03-23 19:24:03 +01:00
parent 6d93f15039
commit b765a8af9b
8 changed files with 182 additions and 14 deletions
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71
mysql-test/r/information_schema_db.result
View File

@@ -106,16 +106,82 @@ use 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 show view on v5 to testdb_2@localhost;
create definer=`no_such_user`@`no_such_host` view v6 as select f1 from t1;
ERROR 42000: Access denied; you need the SUPER privilege for this operation
use testdb_1;
create view v6 as select f1 from t1;
grant 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;
Warnings:
Note 1449 There is no 'no_such_user'@'no_such_host' registered
show fields from testdb_1.v6;
Field Type Null Key Default Extra
f1 char(4) YES NULL
show create view testdb_1.v6;
View Create View
v6 CREATE ALGORITHM=UNDEFINED DEFINER=`root`@`localhost` SQL SECURITY DEFINER VIEW `v6` AS select `t1`.`f1` AS `f1` from `t1`
show create view testdb_1.v7;
View Create View
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`
Warnings:
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
show fields from testdb_1.v7;
Field Type Null Key Default Extra
f1 null YES NULL
Warnings:
Note 1449 There is no 'no_such_user'@'no_such_host' registered
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;
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;
Field Type Null Key Default Extra
f1 char(4) YES NULL
show create view testdb_1.v5;
View Create View
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`
show fields from testdb_1.v6;
Field Type Null Key Default Extra
f1 char(4) YES NULL
show create view testdb_1.v6;
View Create View
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`
show fields from testdb_1.v7;
Field Type Null Key Default Extra
f1 null YES NULL
Warnings:
Note 1449 There is no 'no_such_user'@'no_such_host' registered
show create view testdb_1.v7;
View Create View
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`
Warnings:
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
revoke insert(f1) on v3 from testdb_2@localhost;
revoke show view on v5 from testdb_2@localhost;
use testdb_1;
revoke show view on v6 from testdb_2@localhost;
show fields from testdb_1.v5;
ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v5'
show create view testdb_1.v5;
ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v5'
show fields from testdb_1.v6;
ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v6'
show create view testdb_1.v6;
ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v6'
show fields from testdb_1.v7;
ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v7'
show create view testdb_1.v7;
ERROR 42000: SELECT command denied to user 'testdb_2'@'localhost' for table 'v7'
show create view v4;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
show fields from v4;
ERROR HY000: EXPLAIN/SHOW can not be issued; lacking privileges for underlying table
Field Type Null Key Default Extra
f1 null YES NULL
f2 char(4) YES NULL
show fields from v2;
Field Type Null Key Default Extra
f1 char(4) YES NULL
@@ -140,7 +206,8 @@ where a.table_name = 'testdb_1.v1';
view_definition
select * from v2;
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
drop view testdb_1.v1,v2, testdb_1.v3, v4;
use test;
drop view testdb_1.v1, v2, testdb_1.v3, v4;
drop database testdb_1;
drop user testdb_1@localhost;
drop user testdb_2@localhost;

55
mysql-test/t/information_schema_db.test
View File

@@ -121,6 +121,28 @@ 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 show view on v5 to testdb_2@localhost;
--error 1227
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 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;
@@ -129,13 +151,41 @@ 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 show view on v5 from testdb_2@localhost;
connection default;
use testdb_1;
revoke show view on v6 from testdb_2@localhost;
connection testdb_2;
--error 1142
show fields from testdb_1.v5;
--error 1142
show create view testdb_1.v5;
--error 1142
show fields from testdb_1.v6;
--error 1142
show create view testdb_1.v6;
--error 1142
show fields from testdb_1.v7;
--error 1142
show create view testdb_1.v7;
--error 1345
show create view v4;
--error 1345
#--error 1345
show fields from v4;
show fields from v2;
@@ -155,7 +205,8 @@ where a.table_name = 'testdb_1.v1';
select * from v2;
connection default;
drop view testdb_1.v1,v2, testdb_1.v3, v4;
use test;
drop view testdb_1.v1, v2, testdb_1.v3, v4;
drop database testdb_1;
drop user testdb_1@localhost;
drop user testdb_2@localhost;