From mboxrd@z Thu Jan  1 00:00:00 1970
From: cpebenito@tresys.com (Christopher J. PeBenito)
Date: Tue, 27 Sep 2011 11:42:25 -0400
Subject: [refpolicy] what is a suitable type for /dev/cdc-wdm[01]
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On 09/27/11 11:33, Dominick Grift wrote:
> On Tue, 2011-09-27 at 09:17 -0400, Christopher J. PeBenito wrote:
>> On 09/26/11 06:27, Dominick Grift wrote:

>>> Also, why are ACM tty character device nodes labeled type tty_device_t
>>> and not for example acmtty_device_t?
>>
>> It would seem that modem_device_t would be a better choice, assuming all ttyACM* devices are cellular modems.
>>
> 
> why are serial ttys labeled tty_device_t?
> 
>> ls -alZ /dev/ | grep ttyS
>> crw-rw----. root tty     system_u:object_r:tty_device_t:s0 ttyS0
>> crw-rw----. root dialout system_u:object_r:tty_device_t:s0 ttyS1
>> crw-rw----. root dialout system_u:object_r:tty_device_t:s0 ttyS2
>> crw-rw----. root dialout system_u:object_r:tty_device_t:s0 ttyS3

Presumably due to serial terminals.  Its an imperfect default label, since serial ports can support other things.  I'm open to other suggestions.

-- 
Chris PeBenito
Tresys Technology, LLC
www.tresys.com | oss.tresys.com