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fix: CURRENT_ROLE() inside SECURITY DEFINER views

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This commit is contained in:
Sergei Golubchik
2016-07-21 14:03:49 +02:00
parent 6820bf9ca9
commit 2013a7fc29
3 changed files with 15 additions and 15 deletions
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21
mysql-test/suite/roles/definer.result
View File

@ -22,10 +22,10 @@ show create view test.v1;
View Create View character_set_client collation_connection
v1 CREATE ALGORITHM=UNDEFINED DEFINER=`role1` SQL SECURITY DEFINER VIEW `test`.`v1` AS select (`mysqltest1`.`t1`.`a` + `mysqltest1`.`t1`.`b`) AS `a+b`,`mysqltest1`.`t1`.`c` AS `c` from `mysqltest1`.`t1` latin1 latin1_swedish_ci
set role none;
create definer=role2 view test.v2 as select a+b,c from t1;
create definer=role2 view test.v2 as select a+b,c,current_role() from t1;
show create view test.v2;
View Create View character_set_client collation_connection
v2 CREATE ALGORITHM=UNDEFINED DEFINER=`role2` SQL SECURITY DEFINER VIEW `test`.`v2` AS select (`mysqltest1`.`t1`.`a` + `mysqltest1`.`t1`.`b`) AS `a+b`,`mysqltest1`.`t1`.`c` AS `c` from `mysqltest1`.`t1` latin1 latin1_swedish_ci
v2 CREATE ALGORITHM=UNDEFINED DEFINER=`role2` SQL SECURITY DEFINER VIEW `test`.`v2` AS select (`mysqltest1`.`t1`.`a` + `mysqltest1`.`t1`.`b`) AS `a+b`,`mysqltest1`.`t1`.`c` AS `c`,current_role() AS `current_role()` from `mysqltest1`.`t1` latin1 latin1_swedish_ci
create definer=role3 view test.v3 as select a+b,c from t1;
Warnings:
Note 1449 The user specified as a definer ('role3'@'%') does not exist
@ -44,9 +44,9 @@ GRANT CREATE VIEW ON `mysqltest1`.* TO 'foo'@'localhost'
select * from test.v1;
ERROR HY000: View 'test.v1' references invalid table(s) or column(s) or function(s) or definer/invoker of view lack rights to use them
select * from test.v2;
a+b c
11 100
22 200
a+b c current_role()
11 100 role2
22 200 role2
select * from test.v3;
ERROR 28000: Access denied for user 'foo'@'localhost' (using password: NO)
create definer=role4 view test.v4 as select a+b,c from t1;
@ -113,7 +113,7 @@ tr1 NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`role1` trigger tr
insert t1 values (111, 222, 333) latin1 latin1_swedish_ci latin1_swedish_ci
set role none;
insert t2 values (11,22,33);
ERROR 42000: INSERT command denied to user 'role1'@'' for table 't1'
ERROR 42000: INSERT command denied to user ''@'' for table 't1'
select * from t1;
a b c
1 10 100
@ -179,7 +179,7 @@ pr1 NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`role1` PROCEDURE
insert t1 values (111, 222, 333) latin1 latin1_swedish_ci latin1_swedish_ci
set role none;
call pr1();
ERROR 42000: INSERT command denied to user 'role1'@'' for table 't1'
ERROR 42000: INSERT command denied to user ''@'' for table 't1'
select * from t1;
a b c
1 10 100
@ -222,7 +222,7 @@ fn1 NO_AUTO_CREATE_USER,NO_ENGINE_SUBSTITUTION CREATE DEFINER=`role1` FUNCTION `
return (select sum(a+b) from t1) latin1 latin1_swedish_ci latin1_swedish_ci
set role none;
select fn1();
ERROR 42000: SELECT command denied to user 'role1'@'' for column 'b' in table 't1'
ERROR 42000: SELECT command denied to user ''@'' for column 'b' in table 't1'
select * from t1;
a b c
1 10 100
@ -289,7 +289,8 @@ SET @saved_cs_client = @@character_set_client;
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v2` (
`a+b` tinyint NOT NULL,
`c` tinyint NOT NULL
`c` tinyint NOT NULL,
`current_role()` tinyint NOT NULL
) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
SET @saved_cs_client = @@character_set_client;
@ -553,7 +554,7 @@ USE `test`;
/*!50001 SET character_set_client = latin1 */;
/*!50001 SET character_set_results = latin1 */;
/*!50001 SET collation_connection = latin1_swedish_ci */;
/*!50001 CREATE ALGORITHM=UNDEFINED DEFINER=`role2` SQL SECURITY DEFINER VIEW `v2` AS select (`mysqltest1`.`t1`.`a` + `mysqltest1`.`t1`.`b`) AS `a+b`,`mysqltest1`.`t1`.`c` AS `c` from `mysqltest1`.`t1` */;
/*!50001 CREATE ALGORITHM=UNDEFINED DEFINER=`role2` SQL SECURITY DEFINER VIEW `v2` AS select (`mysqltest1`.`t1`.`a` + `mysqltest1`.`t1`.`b`) AS `a+b`,`mysqltest1`.`t1`.`c` AS `c`,current_role() AS `current_role()` from `mysqltest1`.`t1` */;
/*!50001 SET character_set_client = @saved_cs_client */;
/*!50001 SET character_set_results = @saved_cs_results */;
/*!50001 SET collation_connection = @saved_col_connection */;

2
mysql-test/suite/roles/definer.test
View File

@ -47,7 +47,7 @@ show create view test.v1;
set role none;
# definer=role_name, privileges ok
create definer=role2 view test.v2 as select a+b,c from t1;
create definer=role2 view test.v2 as select a+b,c,current_role() from t1;
show create view test.v2;
# definer=non_existent_role

7
sql/sql_acl.cc
View File

@ -2009,8 +2009,7 @@ bool acl_getroot(Security_context *sctx, char *user, char *host,
sctx->master_access= acl_role->access;
if (acl_role->user.str)
strmake_buf(sctx->priv_user, user);
sctx->priv_host[0]= 0;
strmake_buf(sctx->priv_role, user);
}
}
@ -7162,7 +7161,7 @@ bool check_column_grant_in_table_ref(THD *thd, TABLE_LIST * table_ref,
GRANT_INFO *grant;
const char *db_name;
const char *table_name;
Security_context *sctx= MY_TEST(table_ref->security_ctx) ?
Security_context *sctx= table_ref->security_ctx ?
table_ref->security_ctx : thd->security_ctx;
if (table_ref->view || table_ref->field_translation)
@ -11078,7 +11077,7 @@ void fill_effective_table_privileges(THD *thd, GRANT_INFO *grant,
/* global privileges */
grant->privilege= sctx->master_access;
if (!sctx->priv_user[0])
if (!sctx->priv_user[0] && !sctx->priv_role[0])
{
DBUG_PRINT("info", ("privilege 0x%lx", grant->privilege));
DBUG_VOID_RETURN; // it is slave