Re: TCP Wrappers

[Prentis Brooks <prentis at aol dot net>]

Yeah, my thoughts as well, we really don't want to deviate too far from
the base package.  Let me tinker and see how it works, will let you know
what I find :)

On Thu, 27 Jun 2002, Corinna Vinschen wrote:

> On Thu, Jun 27, 2002 at 10:21:20AM -0400, Prentis Brooks wrote:
> > Ok, I was basing my response on the info I got from Charles, where he
> > pointed out that libwrap declares certain ints as extern, leaving tcpd
> > and ssh to define them.   I am not familiar with DLL's so I am going
> > solely by what he says, which I expect is accurate considering the work
> > he has already done.  According to his email, these externally defined
> > ints work fine when linked statically, but not in a DLL.  He suggested
> > that I go through and change the libwrap library to define these
> > variable and export them to the applications.  Once that is done, I have
> > to go through the applications and stop them from declaring these
> > variables themselves (this is the part where I do a lot of reading).  
> > 
> > Regarding changes to ssh, that is based on the assumption that ssh, like
> > tcpd, declares these ints itself and would need similiar edits to work
> > with the DLL.  Regarding the inetd, I was actually talking about making
> > the edits to tcpd and using inetd to test the functionality, since that
> > is the only other place I have used tcpwrap other than in SSH.
> > 
> > Does that clarify or have I muddied the water further?
> 
> It clarifies.  I was just confused how inetd comes into play here.
> 
> Just consider that if the usage of a tcp wrappers dll actually
> requires us to change sshd code, I'd better live with static linking.
> libwrap.a isn't that big.
> 
> Corinna
> 
> 

-- 
Prentis Brooks	| prentis@aol.net | 703-265-0914 | AIM: PrentisBrooks
Senior System Administrator - Web Infrastructure & Security

       A knight is sworn to valor.  His heart knows only virtue.  His blade
       defends the helpless.  His word speaks only truth.  His wrath undoes
       the wicked. - the old code of Bowen, last of the dragonslayers