Re: getnameinfo extra len checking

[christos%astron.com@localhost (Christos Zoulas)]

In article <20100621140636.GC737319%qnx.com@localhost>,
Sean Boudreau  <seanb%qnx.com@localhost> 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 think so. The kernel does not pay attention to sa_len either in syscalls
that take an extra salen argument (sys_bind() for example).

christos