Re: more thoughts on a new jail() system call

From: James Antill (james@and.org)
Date: Thu Jul 18 2002 - 23:18:38 EST


Thunder from the hill <thunder@ngforever.de> writes:

> Hi,
>
> On 19 Jul 2002, David Wagner wrote:
> > >sys_ioctl) J - disallowed, but perhaps if devices recognize jails and
> > >filter commands based on that...
>
> I think it's quite hard for any type of network application to work well
> without TIOCINQ.

 The more general spelling is FIONREAD, and I generally find that only
crap network applications need to use it. Good ones just try and read
a largish amount of data into a buffer.

 I'd agree that more than a couple of apps would break without it, but
that isn't what you said.

-- 
James Antill -- <james@and.org>
Firewall n.
 1. A bad security program used to make other bad security programs less
baddly in need of security.
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