On 10/03/2012 02:53 AM, Daniel J Walsh wrote:
On 10/01/2012 07:34 PM, Ed Greshko wrote:
> On 10/01/2012 10:04 PM, Stephen John Smoogen wrote:
>> On 30 September 2012 23:09, Ed Greshko <Ed.Greshko(a)greshko.com> wrote:
>>> I just started playing around with firewalld and I found something that
>>> doesn't seem right to me.
>>>
>>> If any user starts firewall-applet and then selects "Block all network
>>> traffic" it will do as asked without any prompt for root's password
or
>>> any other authentication.
>>>
>>> This seems crazy to me.
>> Does the opposite work? Can the person turn off the firewall?
>>
> I imagine that the on/off setting is what is labeled "Shields UP". Not
> sure of their jargon. But, here is the "strange" thing.
> When the applet is started the "Shields UP" is unchecked. But, for sure
> the firewall is running.
> If you check the box, you get an authentication dialog. If you hit
> "cancel" I would expect the box to remain unchecked. However, it
switches
> to being checked....even though nothing is done.
> Checking the box and providing the root password results in a error message
> (iptables: Invalid argument) in the terminal where the applet was started
> as well as an selinux AVC denial.
> Uggh...
What is the SELinux denial?
type=AVC msg=audit(1349049826.875:414): avc: denied { getattr } for pid=2428
comm="sh" path="/usr/sbin/setfiles" dev="sda3" ino=1451202
scontext=system_u:system_r:firewalld_t:s0 tcontext=system_u:object_r:setfiles_exec_t:s0
tclass=file
type=AVC msg=audit(1349049827.010:415): avc: denied { getattr } for pid=2429
comm="sh" path="/usr/sbin/setfiles" dev="sda3" ino=1451202
scontext=system_u:system_r:firewalld_t:s0 tcontext=system_u:object_r:setfiles_exec_t:s0
tclass=file
--
Programming today is a race between software engineers striving to build bigger and better
idiot-proof programs, and the Universe trying to produce bigger and better idiots. So far,
the Universe is winning. -- Rick Cook, The Wizardry Compiled