msodde: add detecting an utf-16le dde string.

kijeong kim · Philippe Lagadec
1 parent e71e7d54
Showing 3 changed files with 11 additions and 1 deletions
oletools/msodde.py
tests/msodde_doc/test_basic.py
tests/test-data/msodde-doc/dde-test-from-office2013-utf_16le-korean.doc
@@ -275,6 +275,8 @@ def process_ole_field(data):
     if data.lstrip().lower().startswith(u'dde'):
         #log.debug('--> is DDE!')
         return data
+    elif data.lstrip().lower().startswith(u'\00d\x00d\x00e\x00'):
+        return data
     else:
         return u''
  
@@ -21,7 +21,7 @@ class TestReturnCode(unittest.TestCase):
     def test_valid_doc(self):
         """ check that a valid doc file leads to 0 exit status """
         for filename in ('dde-test-from-office2003', 'dde-test-from-office2016',
-                         'harmless-clean'):
+                         'harmless-clean', 'dde-test-from-office2013-utf_16le-korean'):
             self.do_test_validity(join(BASE_DIR, 'msodde-doc',
                                        filename + '.doc'))
  
@@ -108,6 +108,14 @@ class TestDdeInDoc(unittest.TestCase):
         self.assertEqual(len(self.get_dde_from_output(capturer)), 0,
                          msg='Found dde links in output for doc file')
  
+    def test_with_dde_utf16le(self):
+        """ check that dde links appear on stdout """
+        with OutputCapture() as capturer:
+            msodde.main([join(BASE_DIR, 'msodde-doc',
+                              'dde-test-from-office2013-utf_16le-korean.doc')])
+        self.assertNotEqual(len(self.get_dde_from_output(capturer)), 0,
+                            msg='Found no dde links in output for doc file')
+
  
 if __name__ == '__main__':
     unittest.main()