Author: ubernostrum
Date: 2006-08-16 01:28:59 -0500 (Wed, 16 Aug 2006)
New Revision: 3593

Modified:
   django/branches/0.91-bugfixes/django/bin/compile-messages.py
Log:
0.91-fixes: Fixed minor security hole in compile-messages.py. See trunk patch 
in [3592]

Modified: django/branches/0.91-bugfixes/django/bin/compile-messages.py
===================================================================
--- django/branches/0.91-bugfixes/django/bin/compile-messages.py        
2006-08-16 06:28:13 UTC (rev 3592)
+++ django/branches/0.91-bugfixes/django/bin/compile-messages.py        
2006-08-16 06:28:59 UTC (rev 3593)
@@ -20,7 +20,14 @@
             if f.endswith('.po'):
                 sys.stderr.write('processing file %s in %s\n' % (f, dirpath))
                 pf = os.path.splitext(os.path.join(dirpath, f))[0]
-                cmd = 'msgfmt -o "%s.mo" "%s.po"' % (pf, pf)
+                # Store the names of the .mo and .po files in an environment
+                # variable, rather than doing a string replacement into the
+                # command, so that we can take advantage of shell quoting, to
+                # quote any malicious characters/escaping.
+                # See http://cyberelk.net/tim/articles/cmdline/ar01s02.html
+                os.environ['djangocompilemo'] = pf + '.mo'
+                os.environ['djangocompilepo'] = pf + '.po'
+                cmd = 'msgfmt -o "$djangocompilemo" "$djangocompilepo"'
                 os.system(cmd)
 
 if __name__ == "__main__":


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