[jboss-jira] [JBoss JIRA] (ELY-1216) Minus operator in Elytron SASL mechanism selector does not prevent mechanism from occuring later

[Farah Juma (JIRA)]

     [ https://issues.jboss.org/browse/ELY-1216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Farah Juma reassigned ELY-1216:
-------------------------------

    Assignee: Farah Juma  (was: Darran Lofthouse)


> Minus operator in Elytron SASL mechanism selector does not prevent mechanism from occuring later
> ------------------------------------------------------------------------------------------------
>
>                 Key: ELY-1216
>                 URL: https://issues.jboss.org/browse/ELY-1216
>             Project: WildFly Elytron
>          Issue Type: Bug
>    Affects Versions: 1.1.0.Beta47
>            Reporter: Ondrej Lukas
>            Assignee: Farah Juma
>            Priority: Critical
>
> Minus operatar should work as following:
> _The - operator deletes all entries that match the given name or predicate, preventing them from occurring later._ [1]
> When SASL mechanism selector includes {{-}} operator for some mechanism and this mechanism is added again then this mechanism can be used. It means it violates 'preventing them from occurring later'.
> e.g. {{PLAIN}} mechanism can be incorrectly used when selectors like {{selector="-PLAIN PLAIN"}} or {{selector="-PLAIN #ALL"}} are used for client.
> [1] https://issues.jboss.org/browse/EAP7-567?focusedCommentId=13408238&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13408238



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