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https://issues.apache.org/jira/browse/NIFI-3050?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15673737#comment-15673737
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Joseph Witt commented on NIFI-3050:
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[~mcgilman] I'd propose that users who cannot create instances of components
which are restricted be able to see them and it errors when trying to add them
OR we show them but grayed out and they cannot select them. We could do the
easier path first and a more refined user experience later as well. What I'd
like to avoid is them not even seeing those components in the listing because
then they might be too confused.
I think it is totally fair game for users who have otherwise normal read/write
access to a component to be able see them but/view them but they should not be
able to start/stop/configure them. Sound fair?
> Restrict dangerous processors to special permission
> ---------------------------------------------------
>
> Key: NIFI-3050
> URL: https://issues.apache.org/jira/browse/NIFI-3050
> Project: Apache NiFi
> Issue Type: New Feature
> Components: Core Framework
> Affects Versions: 1.0.0
> Reporter: Andy LoPresto
> Assignee: Andy LoPresto
> Priority: Blocker
> Labels: security
> Fix For: 1.1.0
>
>
> As evidenced by [NIFI-3045] and other discoveries (e.g. using an
> {{ExecuteScript}} processor to iterate over a {{NiFiProperties}} instance
> after the application has already decrypted the sensitive properties from the
> {{nifi.properties}} file on disk, using a {{GetFile}} processor to retrieve
> {{/etc/passwd}}, etc.) NiFi is a powerful tool which can allow unauthorized
> users to perform malicious actions. While no tool as versatile as NiFi will
> ever be completely immune to insider threat, to further restrict the
> potential for abuse, certain processors should be designated as
> {{restricted}}, and these processors can only be added to the canvas or
> modified by users who, along with the proper permission to modify the canvas,
> have a special permission to interact with these "dangerous" processors.
> From the [Security Feature
> Roadmap|https://cwiki.apache.org/confluence/display/NIFI/Security+Feature+Roadmap]:
> {quote}
> Dangerous Processors
> * Processors which can directly affect behavior/configuration of NiFi/other
> services
> - {{GetFile}}
> - {{PutFile}}
> - {{ListFile}}
> - {{FetchFile}}
> - {{ExecuteScript}}
> - {{InvokeScriptedProcessor}}
> - {{ExecuteProcess}}
> - {{ExecuteStreamCommand}}
> * These processors should only be creatable/editable by users with special
> access control policy
> * Marked by {{@Restricted}} annotation on processor class
> * All flowfiles originating/passing through these processors have special
> attribute/protection
> * Perhaps *File processors can access a certain location by default but
> cannot access the root filesystem without special user permission?
> {quote}
> [~mcgilman] and I should have a PR for this tomorrow.
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