Re: [MacPerl-WebCGI] "Too late for '-T' option" message

[Riccardo Perotti <perotti@pobox.com>]

Thank you David for your response:

Yes, I'm running MacPerl (actually writing in BBEdit 6), but I'm putting my
CGI's in a Unix server.

For some reason I get an error from the server if I use the -T switch
(Besides the error I get from MacPerl).

I latter realized that I get an error also if I wrote '#!/usr/bin/perl-w'
instead of '#!/usr/bin/perl -w' (with a space before the -w switch). Is this
logical? (I was interpreting all the possible options for the "too late"
message, including too late in the line!).

Thanks,

Riccardo
--
mailto:perotti@pobox.com


> From: David Steffen <steffen@biomedcomp.com>
> Reply-To: David Steffen <steffen@biomedcomp.com>
> Date: Sun, 3 Dec 2000 18:23:30 -0600
> To: Riccardo Perotti <perotti@pobox.com>, "macperl-webcgi@macperl.org List"
> <macperl-webcgi@macperl.org>
> Subject: Re: [MacPerl-WebCGI] "Too late for '-T' option" message
> 
> At 6:28 PM -0500 12/3/00, Riccardo Perotti wrote:
> 
>> I'm writing a simple mailing list script.
>> 
>> I put the -w switch and everything went ok (after correcting some stuff, of
>> course). LATER ON I added the T option (as in -wT) but get a
>> 
>> "Too late for '-T' option" message.
>> 
>> What's the deal?
> 
> [I'm assuming you are running a MacPerl CGI because of the list you posted
> to.]
> 
> The deal is that perl has to impose taint checking before it starts
> reading the script.  In Unix, this is normally not a big deal, as the
> standard construct:
> 
> #!/usr/bin/perl -T
> 
> ....is actually addressed to the SHELL, and so perl gets the -T before
> it starts on the script.  In MacPerl, this is not the case; MacPerl
> has actually started reading the script before it sees the -T.  Thus,
> in MacPerl, the above construct will not work.
> 
> In MacPerl, there are two ways of turning on Taint checking:
> 
> 1) You can select it from the Script menu before running the script.
> This is not normally useful for a CGI.
> 
> 2) If MacPerl is called by another program using AppleEvents (sort of
> like the case of shell scripts on Unix) there is a parameter you can
> pass to turn on Taint checking.  Thus, there is a different version
> of CGI glue which has Taint checking turned on.  Depending how and
> where you got MacPerl, you may already have this; just poke around
> until you find a file (with a Camel Suitcase icon) named "CGI Script
> (Taint Check)" and put it in the "MacPerl Extensions" folder.  Then,
> simply select "CGI Script (Taint Check)" instead of the usual" CGI
> Script" when you save your MacPerl CGI.
> 
> I'd offer you my version of "CGI Script (Taint Check)" except I don't
> use it much, I have messed around with my MacPerl distribution a lot,
> and thus I don't know if mine is the latest version or even if it
> works.  Poking around, I found this:
> 
> http://pudge.net/macperl/pcgit.html
> 
> I'm sure one of the friendly folks here will let us know if this is
> not the most current version.
> 
> HTH
> 
> -David Steffen-
> David Steffen, Ph.D.
> President, Biomedical Computing, Inc. <http://www.biomedcomp.com/>
> Phone: (713) 610-9770 FAX: (713) 610-9769 E-mail: steffen@biomedcomp.com
> 
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