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def preprocess(data, lang):
if lang == "oval" and data["attribute"] == 'permissions':
# create STATEMODE used in the OVAL template by processing the octal permission and
# creating the equivalent permission fields of "unix:file_state" element.
mode = data["value"]
fields = [
'oexec', 'owrite', 'oread', 'gexec', 'gwrite', 'gread',
'uexec', 'uwrite', 'uread', 'sticky', 'sgid', 'suid']
mode_int = int(mode, 8)
mode_str = ""
for field in fields:
if mode_int & 0x01 == 0:
mode_str = (
"<unix:{field} datatype=\"boolean\">false</unix:{field}>\n{mode_str}".format(
field=field, mode_str=mode_str))
mode_int = mode_int >> 1
data["statemode"] = mode_str.rstrip("\n")
return data
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