Re: [HPLIP-Devel] HP Linux Imaging and Printing System (HPLIP) 2.7.10 Release

[Johannes M. <js...@su...>]

Hello David,

On Oct 24 18:58 Suffield, David wrote (shortened):
> > Could you give me some more details what hpmud does to open 
> > the device file so that I can let our security team have a 
> > look at it or should they simply check all the files in io/hpmud/?
> 
> Yes, all the hplip i/o code is in io/hpmud.
> 
> For usb all i/o goes through libusb/usbfs. All read/writes to any
> end-point require a claim_usb_interface(). Once the interface is claimed
> all i/o to that interface is exclusive (ie: 7/1/2).
> 
> Parallel i/o is similar. All hpmud parallel i/o goes through
> ppdev/parport. Before any i/o can take place PPCLAIM will claim
> exclusive access to the port (ie: /dev/parport0). 

I filed
https://bugzilla.novell.com/show_bug.cgi?id=336658
so that our security team can have a look.

Let's see what their advice is.


Kind Regards
Johannes Meixner
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