Merge Bug#7391 from 4.0

mysql-test/r/update.result:
  Auto merged
mysql-test/t/update.test:
  Auto merged
sql/sql_select.cc:
  Auto merged
mysql-test/mysql-test-run.sh:
  Merge from 4.0
This commit is contained in:
unknown 2004-12-18 15:12:10 +00:00
commit 02453262bc
5 changed files with 158 additions and 11 deletions

View file

@ -5,6 +5,8 @@
drop table if exists t1;
--enable_warnings
connect (master,localhost,root,,);
connection master;
SET NAMES binary;
#
@ -280,3 +282,73 @@ show grants for grant_user@localhost;
select Host,Db,User,Table_name,Column_name,Column_priv from mysql.columns_priv;
drop user grant_user@localhost;
drop table t1;
#
# Bug#7391: Cross-database multi-table UPDATE security problem
#
create database mysqltest_1;
create database mysqltest_2;
create table mysqltest_1.t1 select 1 a, 2 q;
create table mysqltest_1.t2 select 1 b, 2 r;
create table mysqltest_2.t1 select 1 c, 2 s;
create table mysqltest_2.t2 select 1 d, 2 t;
#test the column privileges
grant update (a) on mysqltest_1.t1 to mysqltest_3@localhost;
grant select (b) on mysqltest_1.t2 to mysqltest_3@localhost;
grant select (c) on mysqltest_2.t1 to mysqltest_3@localhost;
grant update (d) on mysqltest_2.t2 to mysqltest_3@localhost;
connect (conn1,localhost,mysqltest_3,,);
connection conn1;
show grants for mysqltest_3@localhost;
--error 1143
update mysqltest_1.t1, mysqltest_1.t2 set q=10 where b=1;
--error 1143
update mysqltest_1.t1, mysqltest_2.t2 set d=20 where d=1;
--error 1143
update mysqltest_2.t1, mysqltest_1.t2 set c=20 where b=1;
--error 1143
update mysqltest_2.t1, mysqltest_2.t2 set d=10 where s=2;
#the following two should work
update mysqltest_1.t1, mysqltest_2.t2 set a=10,d=10;
update mysqltest_1.t1, mysqltest_2.t1 set a=20 where c=20;
connection master;
select t1.*,t2.* from mysqltest_1.t1,mysqltest_1.t2;
select t1.*,t2.* from mysqltest_2.t1,mysqltest_2.t2;
revoke all on mysqltest_1.t1 from mysqltest_3@localhost;
revoke all on mysqltest_1.t2 from mysqltest_3@localhost;
revoke all on mysqltest_2.t1 from mysqltest_3@localhost;
revoke all on mysqltest_2.t2 from mysqltest_3@localhost;
#test the db/table level privileges
grant all on mysqltest_2.* to mysqltest_3@localhost;
grant select on *.* to mysqltest_3@localhost;
flush privileges;
disconnect conn1;
connect (conn2,localhost,mysqltest_3,,);
connection conn2;
use mysqltest_1;
update mysqltest_2.t1, mysqltest_2.t2 set c=500,d=600;
# the following failed before, should fail now.
--error 1143
update mysqltest_1.t1, mysqltest_1.t2 set a=100,b=200;
use mysqltest_2;
#the following used to succeed, it must fail now.
--error 1044
update mysqltest_1.t1, mysqltest_1.t2 set a=100,b=200;
--error 1044
update mysqltest_2.t1, mysqltest_1.t2 set c=100,b=200;
--error 1044
update mysqltest_1.t1, mysqltest_2.t2 set a=100,d=200;
#lets see the result
connection master;
select t1.*,t2.* from mysqltest_1.t1,mysqltest_1.t2;
select t1.*,t2.* from mysqltest_2.t1,mysqltest_2.t2;
delete from mysql.user where user='mysqltest_3';
delete from mysql.db where user="mysqltest_3";
delete from mysql.tables_priv where user="mysqltest_3";
delete from mysql.columns_priv where user="mysqltest_3";
flush privileges;
drop database mysqltest_1;
drop database mysqltest_2;