Date: Sun, 14 Sep 2014 10:03:30 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Volodymyr Kostyrko <c.kworr@gmail.com>, freebsd-usb@FreeBSD.org Subject: Re: usb printer vs cups Message-ID: <54153DC2.1030505@FreeBSD.org> In-Reply-To: <541353BF.5080608@b1t.name> References: <54133325.9070302@FreeBSD.org> <541353BF.5080608@b1t.name>
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On 12/09/2014 23:12, Volodymyr Kostyrko wrote: > On 12.09.2014 20:53, Andriy Gapon wrote: >> >> 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? > > devfs Yes, devfs. So how exactly do you configure permissions, ownerships? >> 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. > > Personally I prefer using stock lpd for those, it can be easily integrated with > foomatic hpijs. > -- Andriy Gapon
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