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-rw-r--r--nova/tests/test_utils.py45
1 files changed, 45 insertions, 0 deletions
diff --git a/nova/tests/test_utils.py b/nova/tests/test_utils.py
index 940ddf6ec..2c2c58db9 100644
--- a/nova/tests/test_utils.py
+++ b/nova/tests/test_utils.py
@@ -23,6 +23,7 @@ import os
import os.path
import StringIO
import tempfile
+from xml.dom import minidom
import mox
import netaddr
@@ -1059,3 +1060,47 @@ class StringLengthTestCase(test.TestCase):
self.assertRaises(exception.InvalidInput,
utils.check_string_length,
'a' * 256, 'name', max_length=255)
+
+
+class SafeParserTestCase(test.TestCase):
+ def test_external_dtd(self):
+ xml_string = ("""<?xml version="1.0" encoding="utf-8"?>
+ <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
+ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+ <html>
+ <head/>
+ <body>html with dtd</body>
+ </html>""")
+
+ parser = utils.ProtectedExpatParser(forbid_dtd=False,
+ forbid_entities=True)
+ self.assertRaises(ValueError,
+ minidom.parseString,
+ xml_string, parser)
+
+ def test_external_file(self):
+ xml_string = """<!DOCTYPE external [
+ <!ENTITY ee SYSTEM "file:///PATH/TO/root.xml">
+ ]>
+ <root>&ee;</root>"""
+
+ parser = utils.ProtectedExpatParser(forbid_dtd=False,
+ forbid_entities=True)
+ self.assertRaises(ValueError,
+ minidom.parseString,
+ xml_string, parser)
+
+ def test_notation(self):
+ xml_string = """<?xml version="1.0" standalone="no"?>
+ <!-- comment data -->
+ <!DOCTYPE x [
+ <!NOTATION notation SYSTEM "notation.jpeg">
+ ]>
+ <root attr1="value1">
+ </root>"""
+
+ parser = utils.ProtectedExpatParser(forbid_dtd=False,
+ forbid_entities=True)
+ self.assertRaises(ValueError,
+ minidom.parseString,
+ xml_string, parser)