Date: Sun, 6 Dec 2015 17:49:58 -0200 From: =?utf-8?B?THXDrXM=?= Fernando Schultz Xavier da Silveira <schultz@ime.usp.br> To: freebsd-questions@freebsd.org Subject: Re: OSS in jail Message-ID: <20151206194958.GB4044@hpmini> In-Reply-To: <CAA2O=b_isQOHepigMgDyDGtOidpbYkLOmvEayCbETfLEbUsDKA@mail.gmail.com> References: <20151206194401.GA3860@hpmini> <CAA2O=b_isQOHepigMgDyDGtOidpbYkLOmvEayCbETfLEbUsDKA@mail.gmail.com>
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Sorry, I meant write-only mode. On Sun, Dec 06, 2015 at 09:45:12PM +0200, Anton Sayetsky wrote: > 2015-12-06 21:44 GMT+02:00 Luís Fernando Schultz Xavier da Silveira > <schultz@ime.usp.br>: > > Hi, > > > > I would like one of my jails to have the ability to play back sound, > > but not to record it. As I understand, sound is played back by writing > > to /dev/dsp and recorded by reading from it. Hence, placing the /dev/dsp > > device (and /dev/dsp[0-9]* devices) in the jail via devfs.rules is not > > a solution since the jail superuser can override permissions on these > > devices and even read from them when they lack read permission. > > > > Is there a way to give a device to a jail in read-only mode? > How do you want to write sound output to read-only device? > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org"
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