> From [EMAIL PROTECTED] Thu Dec 6 14:34:50 2001
> Date: Thu, 6 Dec 2001 13:12:59 -0800 (PST)
> From: Carl Riches <[EMAIL PROTECTED]>
> To: LPRng List <[EMAIL PROTECTED]>
> cc: Carl Riches <[EMAIL PROTECTED]>
> Subject: LPRng: ghostscript mods to -dSAFER
>
>
> I am trying to install AFPL Ghostscript 7.03 and get the mods to
> gs_init.ps set properly. The changes recommended by IFHP's
>
> README.GhostScriptSecurityProblem
>
> don't work for 7.03 -- the gs_init.ps file is completely different in the
> "SAFER" section. I have come up with the following that seems to work
> properly, but I'm not a postscript programmer. Would someone look at this
> and tell me if this is wrong? And if so, how to fix it?
>
> Patrick--
>
> If this is the correct code you can put this in your README file.
>
> % this section modified to fix a security problem
> /file
> { //SAFETY /safe get {
> dup (r) eq
> 2 index (%pipe*) .stringmatch not and
> 3 index (%std*) .stringmatch not and
> or or
> { file }
> { /invalidfileaccess //signalerror exec }
> ifelse
> } {
> file
> } ifelse
> } .bind executeonly odef
>
>
>
> Thanks much!
>
> Carl G. Riches
> Software Engineer
> Department of Mathematics
> Box 354350 voice: 206-543-5082 or 206-616-3636
> University of Washington fax: 206-543-0397
> Seattle, WA 98195-4350 internet: [EMAIL PROTECTED]
Could you add some comments about this? Or as they say in
Postscript:
?od ti seod tahw
Patrick ("Polish notation? Why? Is it dirty?") Powell
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