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From "Yip Ng (JIRA)" <derby-...@db.apache.org>
Subject [jira] Created: (DERBY-1592) Update statement is allowed to execute even though the column that the statement access has been revoked.
Date Wed, 26 Jul 2006 09:29:13 GMT
Update statement is allowed to execute even though the column that the statement access has
been revoked.
---------------------------------------------------------------------------------------------------------

                 Key: DERBY-1592
                 URL: http://issues.apache.org/jira/browse/DERBY-1592
             Project: Derby
          Issue Type: Bug
          Components: SQL
    Affects Versions: 10.2.0.0
         Environment: Sun JDK 142
            Reporter: Yip Ng


Update statement is allowed to execute even though the column that the statement access has
been revoked.
The same applies for a select statement.  Example shown below:  user2 is able to execute the
update statement 
but update privilege on c2 has already been revoked.

ij version 10.2
ij> connect 'jdbc:derby:authtest;create=true' user 'user1' as user1;
ij> create table t1 (c1 int, c2 int);
0 rows inserted/updated/deleted
ij> insert into t1 values (1,1);
1 row inserted/updated/deleted
ij> grant select,update,insert on t1 to user2;
0 rows inserted/updated/deleted
ij> select * from sys.systableperms;
TABLEPERMSID                        |GRANTEE                                             
                                                                           |GRANTOR      
                                                                                         
                        |TABLEID                             |&|&|&|&|&|&
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
67d0407f-010c-aa11-4d39-000000101010|USER2                                               
                                                                           |USER1        
                                                                                         
                        |2753c07b-010c-aa11-4d39-000000101010|y|N|y|y|N|N

1 row selected
ij> select * from sys.syscolperms;
COLPERMSID                          |GRANTEE                                             
                                                                           |GRANTOR      
                                                                                         
                        |TABLEID                             |&|COLUMNS        
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

0 rows selected
ij> revoke update (c2) on t1 from user2;
0 rows inserted/updated/deleted
ij> select * from sys.systableperms;
TABLEPERMSID                        |GRANTEE                                             
                                                                           |GRANTOR      
                                                                                         
                        |TABLEID                             |&|&|&|&|&|&
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
67d0407f-010c-aa11-4d39-000000101010|USER2                                               
                                                                           |USER1        
                                                                                         
                        |2753c07b-010c-aa11-4d39-000000101010|y|N|y|y|N|N

1 row selected
ij> select * from sys.syscolperms;
COLPERMSID                          |GRANTEE                                             
                                                                           |GRANTOR      
                                                                                         
                        |TABLEID                             |&|COLUMNS        
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

0 rows selected
ij> connect 'jdbc:derby:authtest' user 'user2' as user2;
ij(USER2)> update user1.t1 set c2=10;
1 row inserted/updated/deleted
ij(USER2)> 


sysinfo:

C:\derby\trunk>java -classpath classes;. org.apache.derby.tools.sysinfo
------------------ Java Information ------------------
Java Version:    1.4.2_12
Java Vendor:     Sun Microsystems Inc.
Java home:       C:\jdk142\jre
Java classpath:  classes;.
OS name:         Windows XP
OS architecture: x86
OS version:      5.1
Java user name:  yip
Java user home:  C:\Documents and Settings\Administrator
Java user dir:   C:\derby\trunk
java.specification.name: Java Platform API Specification
java.specification.version: 1.4
--------- Derby Information --------
JRE - JDBC: J2SE 1.4.2 - JDBC 3.0
[C:\derby\trunk\classes] 10.2.0.5 alpha - (425559M)
------------------------------------------------------
----------------- Locale Information -----------------
Current Locale :  [English/United States [en_US]]
Found support for locale: [de_DE]
         version: 10.2.0.5 alpha - (425559M)
Found support for locale: [es]
         version: 10.2.0.5 alpha - (425559M)
Found support for locale: [fr]
         version: 10.2.0.5 alpha - (425559M)
Found support for locale: [it]
         version: 10.2.0.5 alpha - (425559M)
Found support for locale: [ja_JP]
         version: 10.2.0.5 alpha - (425559M)
Found support for locale: [ko_KR]
         version: 10.2.0.5 alpha - (425559M)
Found support for locale: [pt_BR]
         version: 10.2.0.5 alpha - (425559M)
Found support for locale: [zh_CN]
         version: 10.2.0.5 alpha - (425559M)
Found support for locale: [zh_TW]
         version: 10.2.0.5 alpha - (425559M)
------------------------------------------------------


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