On Fri, 9 Sep 2022 11:03:14 GMT, Aleksei Efimov <aefi...@openjdk.org> wrote:

> ### Summary of the change
> 
> The LDAP Naming Service Provider implementation's default settings are 
> changed to disallow deserialization and reconstruction of Java objects from 
> different LDAP attributes (RFC 2713). Currently, only the deserialization is 
> controlled by the `com.sun.jndi.ldap.object.trustSerialData` system property, 
> and it is allowed by default.
> The change proposed here switches the default value of the` 
> com.sun.jndi.ldap.object.trustSerialData `system property to `"false"`, and 
> also extends its scope to cover the reconstruction of RMI remote objects from 
> the `javaRemoteLocation` LDAP attribute.
> 
> CSR for this change can be viewed 
> [here](https://bugs.openjdk.org/browse/JDK-8290369).
> 
> ### List of code changes
> - Switch the default value of the 'com.sun.jndi.ldap.object.trustSerialData' 
> system property to "false".
> 
> - Extend the scope of the property to also cover the reconstruction of RMI 
> remote objects from the deprecated 'javaRemoteLocation' LDAP attribute.
> 
> - Document the support for `javaRemoteLocation` and the 
> `javaReferenceAddress` LDAP attributes in `java.naming`'s module-info.
> 
> ### Test changes
> - New `test/jdk/com/sun/jndi/ldap/objects/RemoteLocationAttributeTest.java` 
> test has been added to test that `com.sun.jndi.ldap.object.trustSerialData` 
> system property can be used to control reconstruction of RMI objects from the 
> `javaRemoteLocation` LDAP attribute.
> 
> -  `test/jdk/javax/naming/module/RunBasic.java` was modified to pass 
> `com.sun.jndi.ldap.object.trustSerialData=true` to the sub-tests that rely on 
> reconstruction/deserialization from LDAP attributes. 
> 
> - During the update for `test/jdk/javax/naming/module/RunBasic.java`, it was 
> spotted that sub-tests apps launched in separate processes were returning the 
> '0' exit value irrelevant to their execution status. All these sub-tests were 
> modified to throw an exception when failure is observed. It helps to ensure 
> that the exit value of launched process is not '0' for failed sub-tests.
> 
> ### Testing
> 
> `tier1`-`tier3` and JNDI regression/JCK tests not showing any failures 
> related to this change.
> No failures observed for the modified regression tests.

This pull request has now been integrated.

Changeset: 7765942a
Author:    Aleksei Efimov <aefi...@openjdk.org>
URL:       
https://git.openjdk.org/jdk/commit/7765942aeee25cbeb5fd932a93b3d8f9d4ca3655
Stats:     265 lines in 13 files changed: 213 ins; 3 del; 49 mod

8290367: Update default value and extend the scope of 
com.sun.jndi.ldap.object.trustSerialData system property

Reviewed-by: dfuchs, jpai

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

PR: https://git.openjdk.org/jdk/pull/10228

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