Hi Robert, On 5/24/21 2:39 PM, Robert Marcano via devel wrote: > On 5/24/21 3:29 AM, Zdenek Dohnal wrote: >> >> Devices which currently depend on a deprecated functionality - >> printer drivers and raw queues - will need a printer application once >> the deprecated functionality is removed from CUPS. This application >> will advertise the device on localhost via MDNS protocol and will >> communicate with CUPS via IPP, both public well-known protocols. The >> only place where the data can turn into proprietary is filtering, but >> it's the same with printer drivers. >> >> -- > > Greetings, Is there any plan to support these IPP printer applications > over Unix domain sockets? pappl supports listening on domain sockets (IIUC the docs https://www.msweet.org/pappl/pappl.html), so if a printer application decides on it will use domain sockets, it is possible. > > I manage a virtual printer that uses CUPS filters and backends to > capture documents to an application database. We have been using CUPS > authentication features to control who can use the printer, and not to > have to reimplement authentication on the filter and backends. With > network bound IPP applications, anyone on the same multiuser machine > would be able to bypass CUPS and send documents directly unless I > duplicate CUPS authentication functionality. Unix sockets would help > with that, > _______________________________________________ > devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx > To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx > Fedora Code of Conduct: > https://docs.fedoraproject.org/en-US/project/code-of-conduct/ > List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines > List Archives: > https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx > Do not reply to spam on the list, report it: > https://pagure.io/fedora-infrastructure -- Zdenek Dohnal Software Engineer Red Hat Czech - Brno TPB-C
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