[ http://issues.apache.org/jira/browse/DIREVE-339?page=all ]
Emmanuel Lecharny reassigned DIREVE-339:
----------------------------------------
Assign To: Emmanuel Lecharny (was: Alex Karasulu)
> Decoder does no give sufficient information about errors so the LDAP server
> can respond with correct result code.
> -----------------------------------------------------------------------------------------------------------------
>
> Key: DIREVE-339
> URL: http://issues.apache.org/jira/browse/DIREVE-339
> Project: Directory Server
> Type: Bug
> Reporter: Alex Karasulu
> Assignee: Emmanuel Lecharny
>
> Right now a communication exception is thrown by the server when a malformed
> DN is given in a PDU. I tested this with bind for example using a bad
> BindDN. When the ASN1 codec fails the server cannot really tell the
> difference between a bad protocol PDU which causes a protocolError (2)
> resulting in a JNDI CommunicationException from a bad DN which should return
> a resultCode of namingViolation (64) which in JNDI comes back to the client
> as an InvalidNameException. For more info on resultCodes mapping to JNDI
> exceptions see:
> http://java.sun.com/products/jndi/jndi-ldap-gl.html#EXCEPT
> Basically the ASN1 decoder has to throw exceptions with hints regarding the
> failure to allow the server to respond appropriately to the client. This can
> be done by embedding additional info such as a result code in an subclass of
> DecoderException. Then the LdapProtocolProvider can access this info.
> This problem is a direct result of trying to parse a DN for correctness when
> this is not the responsibility of the ASN1 codec. The LDAP BER codec should
> be giving stuff back to the server as is and letting the server determine
> whether or not the dn or other (non-asn1 constrained) constructs are invalid.
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