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Issue #13703: add a way to randomize the hash values of basic types (str, bytes, datetime)

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in order to make algorithmic complexity attacks on (e.g.) web apps much more complicated.

The environment variable PYTHONHASHSEED and the new command line flag -R control this
behavior.
This commit is contained in:
Georg Brandl 2012-02-20 19:54:16 +01:00
parent ec1712a166
commit 2daf6ae249
32 changed files with 660 additions and 152 deletions
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4
Lib/test/test_urllib.py
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@ -12,6 +12,7 @@ import os
import sys
import tempfile
import warnings
import collections
def hexescape(char):
"""Escape char as RFC 2396 specifies"""
@ -840,8 +841,9 @@ class urlencode_Tests(unittest.TestCase):
self.assertEqual("a=1&a=2", urllib.parse.urlencode({"a": [1, 2]}, True))
self.assertEqual("a=None&a=a",
urllib.parse.urlencode({"a": [None, "a"]}, True))
data = collections.OrderedDict([("a", 1), ("b", 1)])
self.assertEqual("a=a&a=b",
urllib.parse.urlencode({"a": {"a": 1, "b": 1}}, True))
urllib.parse.urlencode({"a": data}, True))
def test_urlencode_encoding(self):
# ASCII encoding. Expect %3F with errors="replace'