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?
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,
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