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Re: getnameinfo extra len checking
On Mon, Jun 21, 2010 at 11:57:10AM -0400, Thor Lancelot Simon wrote:
> On Mon, Jun 21, 2010 at 10:06:36AM -0400, Sean Boudreau wrote:
> > On Thu, Jun 17, 2010 at 07:35:09PM -0400, Christos Zoulas wrote:
> > > On Jun 17, 5:25pm, tls%panix.com@localhost (Thor Lancelot Simon) wrote:
> > > -- Subject: Re: getnameinfo extra len checking
> > >
> > > | On Thu, Jun 17, 2010 at 09:02:16PM +0000, Christos Zoulas wrote:
> > > | >
> > > | > What is sa_len in that case? I think it is 0. If so, then we can
> > > allow
> > > | > 0 through.
> > > |
> > > | What's setting 0? Not setting sa_len is bogus.
> > >
> > > Right, linux code that does not set sa_len...
> > So I'm leaning towards removing this check enirely. Would
> > that be acceptable?
> I do not think so. Why should we pander to broken code that doesn't
> set sa_len?
I guess it's a question of how pragmatic we want to be. I suspect
we'll see more code like this since the trend seems to be away
from this restriction.
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