Date: Wed, 17 Sep 2014 09:00:46 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: freebsd-stable List <stable@FreeBSD.org>, FreeBSD Current <freebsd-current@FreeBSD.org> Cc: freebsd-desktop@FreeBSD.org Subject: Fwd: usb printer vs cups Message-ID: <5419238E.8050708@FreeBSD.org> In-Reply-To: <54133325.9070302@FreeBSD.org> References: <54133325.9070302@FreeBSD.org>
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Soliciting help. -------- Forwarded Message -------- >From my experience I think that cupsd executes backend tools with all uids and gids set to cups and no supplementary groups. In the case of USB printers the backends need to access /dev/usbctl and /dev/usb/foobar that corresponds to a printer. That means that the access to those devices must be somehow granted to cups:cups. How do people solve this? What kind of permissions / configuration do you use? P.S. Maybe I over-generalized the issue to all USB printers. My personal experience is with an HP printer handled by hplip / hplip-plugin. -- Andriy Gapon
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