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From "Rick Hillegas (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DERBY-866) Derby User Management Enhancements
Date Thu, 08 Dec 2011 21:15:40 GMT

     [ https://issues.apache.org/jira/browse/DERBY-866?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick Hillegas updated DERBY-866:
--------------------------------

    Attachment: derby-866-01-aa-sysusers.diff

Attaching derby-866-01-aa-sysusers.diff. This first patch adds the SYSUSERS table. I will
add upgrade tests in a follow-on patch. I am running regression tests now.

This patch makes the following changes:

1) Creates the SYSUSERS table and a unique index on its USERNAME column. This happens in newly
created 10.9 databases and in databases which have been hard-upgraded to 10.9.

2) When SQL authorization is enabled, lets only the DBO view SYSUSERS and prevents even the
DBO from viewing the PASSWORD column.

This patch touches a lot of files for these reasons:

i) Adding a new catalog involves touching several data dictionary files.

ii) Many of our tests have canonized the results of selects from SYSTABLES. We should consider
adjusting these tests so that they will not break the next time we add a catalog. This might
be a good task for a newcomer or GSoC student.

iii) A couple other files had to be touched because SYSUSERS is a special table with restricted
access.


Touches the following files:

------------

M       java/engine/org/apache/derby/impl/sql/catalog/DataDictionaryImpl.java
A       java/engine/org/apache/derby/impl/sql/catalog/SYSUSERSRowFactory.java
M       java/engine/org/apache/derby/impl/sql/catalog/DD_Version.java
A       java/engine/org/apache/derby/iapi/sql/dictionary/UserDescriptor.java
M       java/engine/org/apache/derby/iapi/sql/dictionary/DataDictionary.java
M       java/engine/org/apache/derby/iapi/sql/dictionary/DataDescriptorGenerator.java

Adds the SYSUSERS table to the DataDictionary.

------------

M       java/engine/org/apache/derby/iapi/types/SQLChar.java
M       java/engine/org/apache/derby/iapi/types/SQLVarchar.java

Special logic to allow us to wrap a SQLVarchar around the char[] used to hold a password.
This is not intended as general support for representing Strings as char[].


------------

M       java/engine/org/apache/derby/impl/sql/compile/FromBaseTable.java
M       java/engine/org/apache/derby/loc/messages.xml
M       java/shared/org/apache/derby/shared/common/reference/SQLState.java

New check to prevent unauthorized viewing of SYSUSERS.

------------

M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/DBOAccessTest.java

New test case to verify that Derby prevents unauthorized viewing of SYSUSERS.

------------


M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/AlterTableTest.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/CollationTest.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/ViewsTest.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/PrimaryKeyTest.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/SystemCatalogTest.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/lang/GrantRevokeDDLTest.java
M       java/testing/org/apache/derbyTesting/functionTests/tests/jdbcapi/DMDBugsTest.java
M       java/testing/org/apache/derbyTesting/functionTests/master/ij7.out
M       java/testing/org/apache/derbyTesting/functionTests/master/compressTable.out

Additional tests which had to be changed because a new catalog appears when you select from
SYSTABLES.

                
> Derby User Management Enhancements
> ----------------------------------
>
>                 Key: DERBY-866
>                 URL: https://issues.apache.org/jira/browse/DERBY-866
>             Project: Derby
>          Issue Type: Improvement
>          Components: Services
>    Affects Versions: 10.2.1.6
>            Reporter: Francois Orsini
>            Assignee: Rick Hillegas
>         Attachments: Derby_User_Enhancement.html, Derby_User_Enhancement_v1.1.html, DummyAuthenticator.java,
UserManagement.html, UserManagement.html, UserManagement.html, derby-866-01-aa-sysusers.diff,
dummyCredentials.properties
>
>
> Proposal to enhance Derby's Built-In DDL User Management. (See proposal spec attached
to the JIRA).
> Abstract:
> This feature aims at improving the way BUILT-IN users are managed in Derby by providing
a more intuitive and familiar DDL interface. Currently (in 10.1.2.1), Built-In users can be
defined at the system and/or database level. Users created at the system level can be defined
via JVM or/and Derby system properties in the derby.properties file. Built-in users created
at the database level are defined via a call to a Derby system procedure (SYSCS_UTIL.SYSCS_SET_DATABASE_PROPERTY)
which sets a database property.
> Defining a user at the system level is very convenient and practical during the development
phase (EOD) of an application - However, the user's password is not encrypted and consequently
appears in clear in the derby.properties file. Hence, for an application going into production,
whether it is embedded or not, it is preferable to create users at the database level where
the password is encrypted.
> There is no real ANSI SQL standard for managing users in SQL but by providing a more
intuitive and known interface, it will ease Built-In User management at the database level
as well as Derby's adoption.

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