From d31e39173c29537e6a1613278c93634c18a3206e Mon Sep 17 00:00:00 2001 From: James Bennett Date: Wed, 16 Aug 2006 06:28:59 +0000 Subject: [PATCH] 0.91-fixes: Fixed minor security hole in compile-messages.py. See trunk patch in [3592] git-svn-id: http://code.djangoproject.com/svn/django/branches/0.91-bugfixes@3593 bcc190cf-cafb-0310-a4f2-bffc1f526a37 --- django/bin/compile-messages.py | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/django/bin/compile-messages.py b/django/bin/compile-messages.py index e33fdd780b..579f74364c 100755 --- a/django/bin/compile-messages.py +++ b/django/bin/compile-messages.py @@ -20,7 +20,14 @@ 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__":