[cups-devel] [HIGH] STR #4628: When printer sharing is activated, non-shared printers do not get listed locally

[Till Kamppeter]

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[STR New]

I have experienced this in two Ubuntu Vivid (15.04) systems, once the
real-iron system on my laptop and second, a virtual machine on my laptop.

Starting with the default installation of Ubuntu printer sharing is not
set. I have created some print queues and can see them in print dialogs,
system-config-printer, and with the lpstat command.

To do the IPP Everywhere self-certification tests on CUPS queues I have to
activate sharing:

cupsctl --share-printers

After that my queue for my HP multi-function device and another manually
generated queue continue to get listed but the cups-pdf queue disappears.
The difference is that the first two queues are individually set to shared,
the cups-pdf queue is set to non-shared. If I set the PDF queue to be
shared ("lpadmin ... -o printer-is-shared=true") it gets listed again.

So all queues get listed if CUPS printer sharing is off and if printer
sharing is on, only the queues individually set to be shared get listed.
The non-shared queues which do not get listed can still be used for
printing though (via command line).

On the virtual machine I have the same result. There cups-browsed creates
local (indiuvidually not shared) queues for the shared queues of my
real-iron system. These queues stay listed as long as CUPS is set to not
sharing, when CUPS is set to sharing they disappear but I still can print
on them.

Link: https://www.cups.org/str.php?L4628
Version: 2.0.2
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