Issue #26657: Fix SimpleHTTPServer Windows directory traversal vulnerability

Based on patch by Philipp Hagemeister.  This fixes a regression caused by
revision 6b314f5c9404.

1 files changed, 20 insertions, 0 deletions

diff --git a/Lib/test/test_httpservers.py b/Lib/test/test_httpservers.py
index 8dab627..672c187 100644
--- a/Lib/test/test_httpservers.py
+++ b/Lib/test/test_httpservers.py
@@ -8,6 +8,7 @@ import os
 import sys
 import re
 import base64
+import ntpath
 import shutil
 import urllib
 import httplib
@@ -604,6 +605,25 @@ class SimpleHTTPRequestHandlerTestCase(unittest.TestCase):
         path = self.handler.translate_path('//filename?foo=bar')
         self.assertEqual(path, self.translated)
 
+    def test_windows_colon(self):
+        import SimpleHTTPServer
+        with test_support.swap_attr(SimpleHTTPServer.os, 'path', ntpath):
+            path = self.handler.translate_path('c:c:c:foo/filename')
+            path = path.replace(ntpath.sep, os.sep)
+            self.assertEqual(path, self.translated)
+
+            path = self.handler.translate_path('\\c:../filename')
+            path = path.replace(ntpath.sep, os.sep)
+            self.assertEqual(path, self.translated)
+
+            path = self.handler.translate_path('c:\\c:..\\foo/filename')
+            path = path.replace(ntpath.sep, os.sep)
+            self.assertEqual(path, self.translated)
+
+            path = self.handler.translate_path('c:c:foo\\c:c:bar/filename')
+            path = path.replace(ntpath.sep, os.sep)
+            self.assertEqual(path, self.translated)
+
 
 def test_main(verbose=None):
     try: