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python311
CVE-2023-52425-libexpat-2.6.0-backport.patch
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File CVE-2023-52425-libexpat-2.6.0-backport.patch of Package python311
--- Lib/test/support/__init__.py | 16 ++++++++++++++-- Lib/test/test_minidom.py | 23 +++++++++-------------- Lib/test/test_pyexpat.py | 12 +++++------- Lib/test/test_sax.py | 18 +++++++++--------- Lib/test/test_xml_etree.py | 12 ------------ 5 files changed, 37 insertions(+), 44 deletions(-) --- a/Lib/test/support/__init__.py +++ b/Lib/test/support/__init__.py @@ -8,6 +8,7 @@ import dataclasses import functools import os import re +import pyexpat import stat import sys import sysconfig @@ -56,7 +57,7 @@ __all__ = [ "run_with_tz", "PGO", "missing_compiler_executable", "ALWAYS_EQ", "NEVER_EQ", "LARGEST", "SMALLEST", "LOOPBACK_TIMEOUT", "INTERNET_TIMEOUT", "SHORT_TIMEOUT", "LONG_TIMEOUT", - "skip_on_s390x", + "skip_on_s390x", "fails_with_expat_2_6_0", "is_expat_2_6_0" ] @@ -2240,6 +2241,17 @@ def copy_python_src_ignore(path, names): } return ignored -#Windows doesn't have os.uname() but it doesn't support s390x. + +# Windows doesn't have os.uname() but it doesn't support s390x. skip_on_s390x = unittest.skipIf(hasattr(os, 'uname') and os.uname().machine == 's390x', 'skipped on s390x') + + +@functools.lru_cache +def _is_expat_2_6_0(): + return hasattr(pyexpat.ParserCreate(), 'SetReparseDeferralEnabled') +is_expat_2_6_0 = _is_expat_2_6_0() + +fails_with_expat_2_6_0 = (unittest.expectedFailure + if is_expat_2_6_0 + else lambda test: test) --- a/Lib/test/test_minidom.py +++ b/Lib/test/test_minidom.py @@ -6,7 +6,6 @@ import io from test import support import unittest -import pyexpat import xml.dom.minidom from xml.dom.minidom import parse, Attr, Node, Document, parseString @@ -1163,13 +1162,11 @@ class MinidomTest(unittest.TestCase): # Verify that character decoding errors raise exceptions instead # of crashing - if pyexpat.version_info >= (2, 4, 5): - self.assertRaises(ExpatError, parseString, - b'<fran\xe7ais></fran\xe7ais>') - self.assertRaises(ExpatError, parseString, - b'<franais>Comment \xe7a va ? Tr\xe8s bien ?</franais>') - else: - self.assertRaises(UnicodeDecodeError, parseString, + # It doesn’t make any sense to insist on the exact text of the + # error message, or even the exact Exception … it is enough that + # the error has been discovered. + with self.assertRaises((UnicodeDecodeError, ExpatError)): + parseString( b'<fran\xe7ais>Comment \xe7a va ? Tr\xe8s bien ?</fran\xe7ais>') doc.unlink() @@ -1631,12 +1628,10 @@ class MinidomTest(unittest.TestCase): self.confirm(doc2.namespaceURI == xml.dom.EMPTY_NAMESPACE) def testExceptionOnSpacesInXMLNSValue(self): - if pyexpat.version_info >= (2, 4, 5): - context = self.assertRaisesRegex(ExpatError, 'syntax error') - else: - context = self.assertRaisesRegex(ValueError, 'Unsupported syntax') - - with context: + # It doesn’t make any sense to insist on the exact text of the + # error message, or even the exact Exception … it is enough that + # the error has been discovered. + with self.assertRaises((ExpatError, ValueError)): parseString('<element xmlns:abc="http:abc.com/de f g/hi/j k"><abc:foo /></element>') def testDocRemoveChild(self): --- a/Lib/test/test_pyexpat.py +++ b/Lib/test/test_pyexpat.py @@ -14,8 +14,7 @@ from test.support import os_helper from xml.parsers import expat from xml.parsers.expat import errors -from test.support import sortdict, is_emscripten, is_wasi - +from test.support import sortdict, is_emscripten, is_wasi, is_expat_2_6_0 class SetAttributeTest(unittest.TestCase): def setUp(self): @@ -770,9 +769,8 @@ class ReparseDeferralTest(unittest.TestC self.assertIs(parser.GetReparseDeferralEnabled(), enabled) def test_reparse_deferral_enabled(self): - if expat.version_info < (2, 6, 0): - self.skipTest(f'Expat {expat.version_info} does not ' - 'support reparse deferral') + if not is_expat_2_6_0: + self.skipTest("Linked libexpat doesn't support reparse deferral") started = [] @@ -801,9 +799,9 @@ class ReparseDeferralTest(unittest.TestC parser = expat.ParserCreate() parser.StartElementHandler = start_element - if expat.version_info >= (2, 6, 0): + if is_expat_2_6_0: parser.SetReparseDeferralEnabled(False) - self.assertFalse(parser.GetReparseDeferralEnabled()) + self.assertFalse(parser.GetReparseDeferralEnabled()) for chunk in (b'<doc', b'/>'): parser.Parse(chunk, False) --- a/Lib/test/test_sax.py +++ b/Lib/test/test_sax.py @@ -19,13 +19,11 @@ from xml.sax.xmlreader import InputSourc from io import BytesIO, StringIO import codecs import os.path -import pyexpat import shutil import sys from urllib.error import URLError import urllib.request -from test.support import os_helper -from test.support import findfile +from test.support import os_helper, findfile, is_expat_2_6_0 from test.support.os_helper import FakePath, TESTFN @@ -1215,10 +1213,10 @@ class ExpatReaderTest(XmlTestBase): self.assertEqual(result.getvalue(), start + b"<doc>text</doc>") - @unittest.skipIf(pyexpat.version_info < (2, 6, 0), - f'Expat {pyexpat.version_info} does not ' - 'support reparse deferral') def test_flush_reparse_deferral_enabled(self): + if not is_expat_2_6_0: + self.skipTest("Linked libexpat doesn't support reparse deferral") + result = BytesIO() xmlgen = XMLGenerator(result) parser = create_parser() @@ -1241,6 +1239,9 @@ class ExpatReaderTest(XmlTestBase): self.assertEqual(result.getvalue(), start + b"<doc></doc>") def test_flush_reparse_deferral_disabled(self): + if not is_expat_2_6_0: + self.skipTest("Linked libexpat doesn't support reparse deferral") + result = BytesIO() xmlgen = XMLGenerator(result) parser = create_parser() @@ -1249,9 +1250,8 @@ class ExpatReaderTest(XmlTestBase): for chunk in ("<doc", ">"): parser.feed(chunk) - if pyexpat.version_info >= (2, 6, 0): - parser._parser.SetReparseDeferralEnabled(False) - self.assertEqual(result.getvalue(), start) # i.e. no elements started + parser._parser.SetReparseDeferralEnabled(False) + self.assertEqual(result.getvalue(), start) # i.e. no elements started self.assertFalse(parser._parser.GetReparseDeferralEnabled()) --- a/Lib/test/test_xml_etree.py +++ b/Lib/test/test_xml_etree.py @@ -13,7 +13,6 @@ import itertools import operator import os import pickle -import pyexpat import sys import textwrap import types @@ -1424,12 +1423,6 @@ class XMLPullParserTest(unittest.TestCas self.assert_event_tags(parser, [('end', 'root')]) self.assertIsNone(parser.close()) - def test_simple_xml_chunk_1(self): - self.test_simple_xml(chunk_size=1, flush=True) - - def test_simple_xml_chunk_5(self): - self.test_simple_xml(chunk_size=5, flush=True) - def test_simple_xml_chunk_22(self): self.test_simple_xml(chunk_size=22) @@ -1627,9 +1620,6 @@ class XMLPullParserTest(unittest.TestCas with self.assertRaises(ValueError): ET.XMLPullParser(events=('start', 'end', 'bogus')) - @unittest.skipIf(pyexpat.version_info < (2, 6, 0), - f'Expat {pyexpat.version_info} does not ' - 'support reparse deferral') def test_flush_reparse_deferral_enabled(self): parser = ET.XMLPullParser(events=('start', 'end')) @@ -1656,8 +1646,6 @@ class XMLPullParserTest(unittest.TestCas for chunk in ("<doc", ">"): parser.feed(chunk) - - if pyexpat.version_info >= (2, 6, 0): if not ET is pyET: self.skipTest(f'XMLParser.(Get|Set)ReparseDeferralEnabled ' 'methods not available in C')
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