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Fixed BUG#2777: Stored procedure doesn't observe definer's rights.

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SQL SECURITY DEFINER must enforce reduced rights too, not just additional rights.


mysql-test/r/sp-security.result:
  Test case for BUG#2777: Make sure that SQL SECURITY DEFINER enforces reduced rights.
mysql-test/t/sp-security.test:
  Test case for BUG#2777: Make sure that SQL SECURITY DEFINER enforces reduced rights.
sql/sql_acl.cc:
  Clear rights before changing them in acl_getroot_no_password so that
  reduced rights work too, and take care of db acls as well.
This commit is contained in:
unknown
2004-03-02 11:52:19 +01:00
parent 23a6b4ed82
commit 857b59578c
3 changed files with 129 additions and 15 deletions
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49
mysql-test/r/sp-security.result
View File

@@ -1,5 +1,6 @@
use test;
grant usage on *.* to dummy@localhost;
grant usage on *.* to user1@localhost;
flush privileges;
drop database if exists db1_secret;
create database db1_secret;
use db1_secret;
@@ -15,14 +16,14 @@ u i
root@localhost 1
call stamp(2);
select * from db1_secret.t1;
ERROR 42000: Access denied for user: 'dummy'@'localhost' to database 'db1_secret'
ERROR 42000: Access denied for user: 'user1'@'localhost' to database 'db1_secret'
call stamp(3);
select * from db1_secret.t1;
ERROR 42000: Access denied for user: ''@'localhost' to database 'db1_secret'
select * from t1;
u i
root@localhost 1
dummy@localhost 2
user1@localhost 2
anon@localhost 3
alter procedure stamp sql security invoker;
show procedure status like 'stamp';
@@ -32,14 +33,50 @@ call stamp(4);
select * from t1;
u i
root@localhost 1
dummy@localhost 2
user1@localhost 2
anon@localhost 3
root@localhost 4
call stamp(5);
ERROR 42000: Access denied for user: 'dummy'@'localhost' to database 'db1_secret'
ERROR 42000: Access denied for user: 'user1'@'localhost' to database 'db1_secret'
call stamp(6);
ERROR 42000: Access denied for user: ''@'localhost' to database 'db1_secret'
drop database if exists db2;
create database db2;
use db2;
create table t2 (s1 int);
insert into t2 values (0);
grant usage on db2.* to user1@localhost;
grant select on db2.* to user1@localhost;
grant usage on db2.* to user2@localhost;
grant select,insert,update,delete on db2.* to user2@localhost;
flush privileges;
use db2;
create procedure p () insert into t2 values (1);
call p();
ERROR 42000: Access denied for user: 'user1'@'localhost' to database 'db2'
use db2;
call p();
ERROR 42000: Access denied for user: 'user1'@'localhost' to database 'db2'
select * from t2;
s1
0
create procedure q () insert into t2 values (2);
call q();
select * from t2;
s1
0
2
use db2;
call q();
select * from t2;
s1
0
2
2
drop procedure stamp;
drop procedure p;
drop procedure q;
use test;
drop database db1_secret;
delete from mysql.user where user='dummy';
drop database db2;
delete from mysql.user where user='user1' or user='user2';