Good day, George,
On Thu, 2 May 2002, Glover George wrote:
> > > Is there anyway to do this. I would like from a userspace
> > program to
> > > ask netfilter two different things.
> > >
> > > 1). What is the policy on a give chain. I want to ask
> > netfilter is
> > > their Forward policy DROP or ACCEPT or whatever. Can I do
> > this from
> > > userspace, and how.
> >
> > iptables -L -n -x -v | grep '^Chain INPUT' | sed -e
> > 's/.*policy //' -e 's/ .*//'
> > repeat for the FORWARD and OUTPUT.
> > Cheers,
> > - Bill
> >
>
> Haha!!! Yeah, but how do I do that from a c++ program and grab the
> output of that command? Ideally, I was wondering if I could just
> include a .h file from netfilter and use a function call. I take it
> there is no userspace api for netfilter?
I would assume that since C++ is a superset of C that you could
use system()?
/me ducks. :-)
Cheers,
- Bill
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-- Devin L. Ganger
(Courtesy of James Wilkinson <[EMAIL PROTECTED]>)
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William Stearns ([EMAIL PROTECTED]). Mason, Buildkernel, named2hosts,
and ipfwadm2ipchains are at: http://www.stearns.org
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