Re: [tex-k] secure mode of dvips should be default

2001-06-04 Thread janl

Sebastian Rahtz [EMAIL PROTECTED] tastet:
 [EMAIL PROTECTED] writes:
   would work.  It would very much fit the old Unix philosophy of small
   tools working together. 
 
 It was/is a good philosophy, but it assumed that people were nice.  As
 with so many other things, the minority of nasty people in the world
 spoil it for everyone else.

No it didn't.  C assumes that people are nice, and programmers omni-
scient.  The demans on our alertness with regard to what data we pass
around to libraries is no less when we use a library than an external
executable.   Has the library been audited, was it written assuming
that the caller does all the needed sanity checks? What _are_ the
sanity checks?  

To be sure the system and popen calls have a notorious history, but it
_is_ well known what we have to do to not make them holey.  The R modes
just discussed along with giving dvips/xdvi etc. extendable knowledge
about file-formats should be quite good enough.

IMHO.

Nicolai





Re: [tex-k] secure mode of dvips should be default

2001-06-04 Thread Thomas Esser

 Giuseppe Ghibo' writes:
there is a recently-announced textrace program which goes some of
   URL?
 ur, um, I have lost it! did anyone else record it?

  http://freshmeat.net/projects/textrace/

Thomas



Re: [tex-k] secure mode of dvips should be default

2001-06-04 Thread Giuseppe Ghibo'

Thomas Esser wrote:

 
  Giuseppe Ghibo' writes:
 there is a recently-announced textrace program which goes some of
URL?
  ur, um, I have lost it! did anyone else record it?
 
   http://freshmeat.net/projects/textrace/


Thanks a lot. Hmmm, it seems bitmap vector tracing, which could
have problems of precisions. If I remember right, METAPOST can
extract outlines in type3 too, so the problem would be to
convert type3 outlines to type1 and add the hints manually. MetaFOG from
R. Kinch resolved the problem mathematically (http://truetex.com/tug95.zip, if I 
remember right
there was approssimation, but could be acceptable and more precise than bitmap 
tracing),
and Basil Malishev (BaKoMA) too.

Bye.
Giuseppe.