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Fixed small security hole in bin/compile-messages.py by escaping the .po filename in os.system() call. Announcement forthcoming 

git-svn-id: http://code.djangoproject.com/svn/django/trunk@3592 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Adrian Holovaty 2006-08-16 06:28:13 +00:00
parent 7c79f2affa
commit 518d406e53
1 changed files with 8 additions and 1 deletions
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9
django/bin/compile-messages.py
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@ -19,7 +19,14 @@ def compile_messages():
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__":