Re: Invasive changes in preview-latex

David Kastrup <[email protected]> schrieb:

> In order to get rid of all the security bunk from switching between
> safe and unsafe mode, I have reorganized the GhostScript calls, and
> now file names of the generated previews are completely different, and
> lots of code has changed.  So please test-drive this change (no, the
> installation changes are not yet finished and checked in, I still have
> to do this).  I need to know when temporary files don't get removed
> and similar things.

The bug I reported to preview-latex this week is still there. The gs
trace is now, with gs-afpl:

gs -q -dSAFER -dDELAYSAFER -dNOPAUSE -DNOPLATFONTS -dPrinted -dTextAlphaBits\=4 -dGraphicsAlphaBits\=4 -sDEVICE\=png16m -r123.035x122.862
GS>/.preview-BP currentpagedevice/BeginPage get dup null eq {pop{pop}bind}if def <</BeginPage{currentpagedevice/PageSize get dup 0 get 1 ne exch 1 get 1 ne or{.preview-BP gsave 0.705882 0.933333 0.705882 setrgbcolor false setstrokeadjust 3 setlinewidth clippath strokepath matrix setmatrix true {2 index{newpath}if round exch round exch moveto pop false}{round exch round exch lineto}{curveto}{closepath}pathforall pop fill grestore }{pop}ifelse}bind/PageSize[1 1]>>setpagedevice/preview-do{[count 3 roll save]3 1 roll{setpagedevice}stopped{handleerror quit}if cvx systemdict/.runandhide known{.setsafe(AFPL Ghostscript)product ne{<<>>setpagedevice}if{.runandhide}}if stopped{handleerror quit}if count 1 ne{quit}if aload pop restore<</OutputFile(/dev/null)>>setpagedevice}bind def (_region_.prv/tmp2013Dou/preview.dsc)(r)file dup dup 0 setfileposition 425()/SubFileDecode filter cvx exec dup dup 425 setfileposition 50()/SubFileDecode filter cvx <</OutputFile(_region_.prv/tmp2013Dou/prev001.png)>>preview-do
AFPL Ghostscript 8.14: **** Could not open the file  .
Error: /invalidfileaccess in --.outputpage--
Operand stack:
   1   true
Execution stack:
   %interp_exit   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   %loop_continue   2   3   %oparray_pop   --nostringval--   --nostringval--   false   1   %stopped_push   .runexec2   --nostringval--   --nostringval--   --nostringval--   2   %stopped_push   --nostringval--   --nostringval--   false   1   %stopped_push   1148   --nostringval--   %end_runandhide   --nostringval--   --nostringval--   --nostringval--   0   8   %oparray_pop   --nostringval--   --nostringval--
Dictionary stack:
   --dict:1120/1686(ro)(G)--   --dict:0/20(G)--   --dict:77/200(L)--   --dict:104/127(ro)(G)--   --dict:238/347(ro)(G)--   --dict:19/24(L)--   --dict:4/6(L)--   --dict:23/31(L)--
Current allocation mode is local
Last OS error: 2

Preview-GhostScript finished

Regards, Frank

-- 
Frank Küster
Inst. f. Biochemie der Univ. Zürich
Debian Developer