RFR: 8290368: Introduce LDAP and RMI protocol-specific object factory filters to JNDI implementation [v6]

Aleksei Efimov aefimov at openjdk.org
Mon Oct 17 15:32:55 UTC 2022

> ### Summary of the change
> This change introduces new system and security properties for specifying factory filters for the JNDI/LDAP and the JNDI/RMI JDK provider implementations. 
> These new properties allow more granular control over the set of object factories allowed to reconstruct Java objects from LDAP and RMI contexts.
> The new factory filters are supplementing the existing `jdk.jndi.object.factoriesFilter` global factories filter to determine if a specific object factory is permitted to instantiate objects for the given protocol.
> Links:
> - [CSR with details](https://bugs.openjdk.org/browse/JDK-8291556)
> - [JBS issue](https://bugs.openjdk.org/browse/JDK-8290368)
> ### List of code changes
> - Implementation for two new system and security properties have been added to the `com.sun.naming.internal.ObjectFactoriesFilter` class
> - `java.security` and `module-info.java` files have been updated with a documentation for the new properties
> - To keep API of `javax.naming.spi.NamingManager` and `javax.naming.spi.DirectoryManager` classes unmodified a new internal `com.sun.naming.internal.NamingManagerHelper` class has been introduced. All  `getObjectInstance` calls have been updated to use the new helper class.
> #### NamingManagerHelper changes
> Changes performed to construct the `NamingManagerHelper` class:
> - `DirectoryManager.getObjectInstance` -> `NamingManagerHelper.getDirObjectInstance`. Dependant methods were also moved to the `NamingManagerHelper` class
> - `NamingManager.getObjectInstance` -> `NamingManagerHelper.getObjectInstance`. Methods responsible for setting/getting object factory builder were moved to the `NamingManagerHelper` class too.
> ### Test changes
> New tests have been added for checking that new factory filters can be used to restrict reconstruction of Java objects from LDAP and RMI contexts:
> - LDAP protocol specific test: test/jdk/com/sun/jndi/ldap/objects/factory/LdapFactoriesFilterTest.java
> - RMI protocol specific test: test/jdk/com/sun/jndi/rmi/registry/objects/RmiFactoriesFilterTest.java
> Existing `test/jdk/javax/naming/module/RunBasic.java` test has been updated to allow test-specific factories filter used to reconstruct objects from the test LDAP server. 
> ### Testing
> tier1-tier3 and JNDI regression/JCK tests not showing any failures related to this change.
> No failures observed for the modified regression tests.

Aleksei Efimov has updated the pull request incrementally with one additional commit since the last revision:

  Update filter docs to match implementation.


  - all: https://git.openjdk.org/jdk/pull/10578/files
  - new: https://git.openjdk.org/jdk/pull/10578/files/b3849168..4449dda1

 - full: https://webrevs.openjdk.org/?repo=jdk&pr=10578&range=05
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=10578&range=04-05

  Stats: 10 lines in 3 files changed: 4 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/10578.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/10578/head:pull/10578

PR: https://git.openjdk.org/jdk/pull/10578

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