Thread (11 messages) 11 messages, 3 authors, 2010-06-01

Re: [RFC] netfilter: WIP: Xtables idletimer target implementation

From: Luciano Coelho <hidden>
Date: 2010-06-01 18:33:17
Also in: netfilter-devel

On Mon, 2010-05-31 at 21:51 +0200, ext Jan Engelhardt wrote:
On Monday 2010-05-31 21:12, Luciano Coelho wrote:
quoted
I considered this option, but then I didn't find a proper place where to
include the attribute in sysfs, since I cannot add it as part of the
interface (eg. /sys/class/net/wlan0/idletimer) as I was doing before.
You couldn't have done that before either, because the interface name
in ipt_ip may refer to an interface that does not exist at all times.
quoted
The other option would be to make the idletimer as part of the
xt_IDLETIMER module object in sysfs
(ie. /sys/module/xt_IDLETIMER/<user_supplied_name>), but it looks out of
place.
I like it. It follows /proc/net/xt_{hashlimit,recent}/<user_supplied_name>.
I'm starting to like this more and more too, as my code is getting much
smaller ;)

One quick question, though.  Do you have any ideas on how I can make
sure that the user doesn't supply the same name twice (ie. two rules
with the same user_supplied_name)?

The problem is that the userspace always re-adds all the existing rules
before inserting a new one and only later deletes the old rules. :\


-- 
Cheers,
Luca.
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