[jboss-jira] [JBoss JIRA] (ELY-124) Java 8+ supports unbound SASL servers; GSSAPI and DIGEST-MD5 both use this value

[Jan Kalina (JIRA)]

    [ https://issues.jboss.org/browse/ELY-124?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13507522#comment-13507522 ] 

Jan Kalina commented on ELY-124:
--------------------------------

[~mchoma] The client provides the serverName when server is created as unbound (serverName = null).
Negotiated property mean value is provided by opposite side of the communication - so yes, client in case of SaslServer.

Ad task 8001104: this is feature request for feature, which is necessary to implement unbound for GS2/GSSAPI sasl server - this is used in attached pull request.

> Java 8+ supports unbound SASL servers; GSSAPI and DIGEST-MD5 both use this value
> --------------------------------------------------------------------------------
>
>                 Key: ELY-124
>                 URL: https://issues.jboss.org/browse/ELY-124
>             Project: WildFly Elytron
>          Issue Type: Task
>          Components: SASL
>    Affects Versions: 1.2.0.Beta10
>            Reporter: David Lloyd
>            Assignee: Jan Kalina
>             Fix For: 1.2.0.Beta11
>
>
> Since Java 8, the SaslServerFactory interface has been changed so that the serverName may be null.  If null, the server name is considered "unbound" and the client can select what server name it wants to use.
> The release notes say:
> {quote}
> SASL service for multiple host names: When creating a SASL server, the server name can be set to null to denote an unbound server, which means a client can request for the service using any server name. After a context is established, the server can retrieve the name as a negotiated property with the key name SASL.BOUND_SERVER_NAME. See RFE 7110803.
> {quote}
> The updated JavaDoc says:
> {quote}
> serverName - The fully qualified host name of the server to authenticate to, or null if the server is not bound to any specific host name. If the mechanism does not allow an unbound server, a SaslException will be thrown.
> {quote}
> The RFE link is: http://bugs.java.com/bugdatabase/view_bug.do?bug_id=7110803
> The two SASL mechanisms in Elytron that would be impacted by this are DIGEST-MD5 and GSSAPI.



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