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From: Greg KH <greg@kroah.com>
To: linux-hotplug@vger.kernel.org
Subject: Re: How to use Udev to restrict USB access only to particular set
Date: Mon, 21 Feb 2011 15:57:35 +0000	[thread overview]
Message-ID: <20110221155735.GB785@kroah.com> (raw)
In-Reply-To: <AANLkTinqeg=o_bmdR0CKuVmP14x71kkrE3=zdaxx2AE=@mail.gmail.com>


A: No.
Q: Should I include quotations after my reply?

http://daringfireball.net/2007/07/on_top


On Mon, Feb 21, 2011 at 11:27:14AM +0200, Vilius Benetis wrote:
> Hi,
> 
> restrict - means that Linux users (non-root, to simplify the task)
> could be able to access only a particular predefined set of USB
> devices.
> 
> Devices:
>   Approved USB A (configured in the system), SN: XXX
>   Not approved USB B (not defined anywhere): SN: YYY
> 
> Scenario A:
>    USB A is plugged to the system, USB is allowed to be mounted
> (automatically, or manually) for the users.
> 
> Scenario B:
>    USB B is plugged to the system, USB is not allowed to be mounted
> (automatically, or manually) for the users.
> 
> Any ideas how to achieve this?

Yes, add a udev rule to not "enable" any usb device that is a mass
storage device that does not fall in your list of "valid" devices.
There is a single sysfs file to write to which would prevent any access
to that device, use that.

Hope this helps,

greg k-h

  parent reply	other threads:[~2011-02-21 15:57 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-21  9:01 How to use Udev to restrict USB access only to particular set of USB sticks? Vilius Benetis
2011-02-21  9:05 ` How to use Udev to restrict USB access only to particular set of Andrey Borzenkov
2011-02-21  9:27 ` Vilius Benetis
2011-02-21 15:57 ` Greg KH [this message]
2011-02-22 13:46 ` Vilius Benetis
2011-02-22 13:54 ` How to use Udev to restrict USB access only to particular set Greg KH
2011-02-22 14:01 ` How to use Udev to restrict USB access only to particular set of Vilius Benetis
2011-02-22 14:28 ` Vilius Benetis
2011-02-22 14:38 ` How to use Udev to restrict USB access only to particular set Greg KH
2011-02-24 13:52 ` How to use Udev to restrict USB access only to particular set of Vilius Benetis
2011-02-24 15:46 ` Greg KH
2011-02-24 16:36 ` Vilius Benetis
2011-02-24 17:01 ` Greg KH
2011-02-24 17:36 ` Vilius Benetis
2011-03-01 14:32 ` Vilius Benetis
2011-03-02  7:06 ` How to use Udev to restrict USB access only to particular set Bryan Kadzban
2011-03-02  8:33 ` How to use Udev to restrict USB access only to particular set of Vilius Benetis
2011-03-03  4:01 ` How to use Udev to restrict USB access only to particular set Bryan Kadzban

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