Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!wsrcc.com!wolfgang
From: wolfgang@wsrcc.com (Wolfgang S. Rupprecht)
Newsgroups: comp.mail.sendmail
Subject: Re: frozen $s in 5.65 + ida-1.4.2 - SUMMARY
Message-ID: <1991Feb27.152643.7249@wsrcc.com>
Date: 27 Feb 91 15:26:43 GMT
References: <1991Feb25.090701.25065@wsrcc.com> <1991Feb25.142401.735@mp.cs.niu.edu> <1991Feb26.153340.2167@wsrcc.com> <1991Feb26.161836.11415@mp.cs.niu.edu>
Organization: Wolfgang S Rupprecht Computer Consulting, Washington DC.
Lines: 26

rickert@mp.cs.niu.edu (Neil Rickert) writes:
> The problem appears to be a confusion about the '$x' macros in sendmail.cf.
>The macros that appear in the rulesets are always expanded when the rulesets
>are initially read from 'sendmail.cf'.  They should be treated more as
>preprocessor constants than as variables.  The macros in header and mailer
>definitions, however, are expanded when as needed, so the values there
>can change.

This was the problem exactly.  Changing the RHS expression from $s to
$&s fixed everything.

> In spite of the suggestion in the subject line, this SHOULD NOT
> cause problems with the distributed IDA-1.4.x rulesets, for they
> make use of the IDA extension $&x (for example $&s is used in
> ruleset 8) which is evaluated at runtime.

No problem in the distributed sendmail+IDA package.  Just my desire to
add a new feature to it - and trip over what must be a common 'gotcha'
to veteran sendmail hackers.

-wolfgang

PS. Sendmail+IDA is a great package. Highly recomended!
-- 
Wolfgang Rupprecht    wolfgang@wsrcc.com (or) uunet!wsrcc!wolfgang
Snail Mail Address:   Box 6524, Alexandria, VA 22306-0524