Last modified: 2014-02-08 16:34:58 UTC

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Bug 8625 - Permissions issues with texvc
Permissions issues with texvc
Status: RESOLVED WONTFIX
Product: MediaWiki extensions
Classification: Unclassified
Math (Other open bugs)
unspecified
Macintosh Mac OS X 10.4
: Low normal with 1 vote (vote)
: ---
Assigned To: Nobody - You can work on this!
: patch, patch-need-review
Depends on:
Blocks:
  Show dependency treegraph
 
Reported: 2007-01-14 04:40 UTC by kelvSYC
Modified: 2014-02-08 16:34 UTC (History)
5 users (show)

See Also:
Web browser: ---
Mobile Platform: ---
Assignee Huggle Beta Tester: ---


Attachments
Patch for let the user set the environment of the wfShellExec call (1.47 KB, patch)
2012-08-21 18:30 UTC, Balazs Varga
Details

Description kelvSYC 2007-01-14 04:40:41 UTC
I have a weird problem with texvc:

texvc is failing on PHP with
Failed to parse (PNG conversion failed; check for correct installation of latex,
dvips, gs, and convert): 0

The debug output gives us
TeX: ./math/texvc '/mediawiki/images/tmp' '/mediawiki/images/tmp' '0' 'UTF-8'
TeX output:
 Ccfcd208495d565ef66e7dff9f98764da0 <mn>0</mn>-


However, texvc works fine on the command line.  The same command above gives me
./math/texvc /mediawiki/images/tmp /mediawiki/images/tmp "0" utf-8
Ccfcd208495d565ef66e7dff9f98764da0<mn>0</mn>

So I thought that it may be a permissions issue, but here's what I have:
drwxrwxrwx     5 kelvSYC  admin     170 Jan 13 20:59 images

and inside:
drwxrwxrwx   3 kelvSYC  admin  102 Jan 13 21:27 math
drwxrwxrwx   3 kelvSYC  admin  102 Jan 13 21:39 tmp

I'm kind of stumped as to why texvc would not be working, considering the
webserver has access...
Comment 1 kelvSYC 2007-01-14 05:32:35 UTC
After a little bit of searching (and not knowing much about the language texvc
is in), I determined that this is from

      | _ -> print_string "-"

in texvc.ml

How render.ml can get this error is beyond me, but the temporary .tex file
remains...
Comment 2 Balazs Varga 2012-08-21 18:29:21 UTC
I'm facing this problem on a gentoo server. For me, the problem was the environment was empty in the php so the latex shell commands had no effect because they don't call commands from /usr/bin (in my case). The binaries weren't on the PATH :) (it was no PATH set)

I made a patch which enables to the user to set the environment of the wfShellExec call from LocalSettings.php

Any comments are appreciated.

Balazs
Comment 3 Balazs Varga 2012-08-21 18:30:33 UTC
Created attachment 10991 [details]
Patch for let the user set the environment of the wfShellExec call
Comment 4 Sumana Harihareswara 2012-08-22 20:55:01 UTC
Thank you for the patch, Balazs!  It will get reviewed faster if you put it directly in our source control system via https://www.mediawiki.org/wiki/Git/Tutorial .

I'll try to get a reviewer, though. Thanks again.

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